Owners of portable thermal containers are often faced with a situation where it is necessary to replace a failed structural element, but do not know how to correctly identify it for searching. In the professional environment, among manufacturers of travel equipment and suppliers of refrigeration equipment, there is a clear distinction that differs from everyday names. Understanding what the “pieces” for a refrigerator bag are called is critical for ordering original spare parts or high-quality analogues. terminology, different from everyday names. Understanding what the “pieces” for a refrigerator bag are called is critical to ordering original spare parts or quality replacements.
At first glance, the design of a thermal container seems primitive, but it consists of many specific components, each of which has its own technical name. The tightness of the product and its ability to maintain the set temperature depend on the correct selection. In this article, we will analyze in detail the nomenclature of all elements so that you can confidently navigate the spare parts catalogs. accessories depends on the tightness of the product and its ability to maintain the set temperature. In this article we will analyze in detail the nomenclature of all elements so that you can confidently navigate the spare parts catalogues.
Basic classification of structural elements
All components of portable refrigerators can be divided into functional groups: fastening systems, sealing elements, supporting structures and auxiliary mechanisms. Most often, by the general name “things,” users mean accessories locks, fasteners and fasteners. It is these elements that are subject to the greatest mechanical load during transportation and most often require replacement.
The second important group is the elements that provide thermal insulation. This includes not only internal fillers, but also external seals, cuffs and valves. The third group is load-bearing elements, such as frame inserts, bottom and handles. Correct identification of a part begins with determining its function in the overall thermal container system.
When ordering spare parts, it is important to indicate not only the name, but also model your device. Many manufacturers use unique forms of fasteners that are not universal. For example, a Dometic bag lock may not fit a similar Indel B model due to differences in seat geometry.
⚠️ Attention: Before ordering parts, be sure to take the dimensions of the worn element. Even if the name is the same, a millimeter discrepancy in the fasteners can make installation impossible.
Locking and fixing systems for the lid
The most common query in search engines is “what is the name of the clasp on a refrigerator bag.” The professional name of this node is lock-lock or clip. Depending on the design, they can be rotary, folding, or made in the form of plastic hooks. The main task of these elements is to ensure a tight fit of the lid to the body to maintain tightness.
More complex models are used zippers with a double slider. Here it is important to distinguish the type of zipper: for thermal containers, special spiral or tractor zippers with water-repellent impregnation are used. The slider (or slider) on such zippers often has a hole for a padlock, which is standard for protecting the contents.
The third type of fixation is Velcro (contact tape). Although they appear simple, quality bags use heavy-duty tape that can withstand repeated unzipping cycles. Cheap analogues quickly lose their grip, which leads to depressurization.
- 🔒 Twist locks: provide rigid fixation, often found in hard containers.
- 🧲 Magnetic latches: used in soft bags for quick access, but are less reliable when shaking.
- 🤐 Hermozippers: require periodic lubrication with silicone to prevent jamming.
When choosing a replacement for the lock, pay attention to the material. ABS plastic more stable to impacts, but can crack in the cold, while polypropylene retains elasticity at low temperatures.
Sealing elements and zippers
The key element that retains cold is seal. In soft cooler bags, this is often the inner zipper edging made of rubberized fabric. Rigid models use a profile rubber seal, similar to the door cuffs of large refrigerators. Its task is to close the micro-gaps between the lid and the body.
If the lid in your bag no longer keeps the cold, in 80% of cases the problem lies precisely in the wear of the seal or deformation of the strike plate. It is almost impossible to restore the properties of an old seal; it needs to be completely replaced. When purchasing a new element, it is important to measure the thickness and width of the profile.
They deserve special attention valvesif they are provided for by the design. Some professional medical or food bags have pressure release valves. They are small round “things” with a membrane that equalize the pressure inside and outside when altitude or temperature changes.
| Element type | Material | Replacement frequency | Criticality for cold |
|---|---|---|---|
| Lid seal | Rubber / Silicone | 1 time every 2-3 years | High |
| Runner zippers | Zinc alloy | As wear | Medium |
| Latch-lock | Plastic (ABS/PP) | In case of breakdown | High |
| Velcro tape | Nylon | In case of loss of adhesion | Low |
Load-bearing structures and handles
When they talk about “things” for carrying, they mean handles i belts. The design of handles varies from simple textile loops to complex systems with plastic inserts and metal fasteners. The place where the handle is attached to the body of the bag is called attachment unit or eyelet. This is where fabric rupture most often occurs.
To strengthen the attachment points, jibs or triangles are used. If you are repairing a bag yourself, it is important to use high-strength threads (for example, lavsan No. 45 or No. 60), since ordinary threads will quickly fray due to the weight of the products.
Removable shoulder straps are equipped carabiners and length regulators. Carbines can be plastic (fastex) or metal. Plastic fastex are the same “things” that click when connected. They tend to break in severe frost, so for winter use it is better to choose metal analogs.
⚠️ Attention: When replacing handles, do not use thin threads. The load on the seams when the bag is fully loaded can reach 10-15 kg, and a weak connection will cause food to fall.
Interior filling and insulation
The inside of the bag, often referred to simply as the "liner", is technically referred to as thermal liner. It consists of several layers: an outer protective layer (often PVC or Oxford), a layer of insulation and an inner food layer.
As insulation (that same “bubble” or porous material) is most often used polyethylene foam (PPE) or isolon. More expensive models may use polyurethane foam. The thickness of this layer directly affects the time the temperature is maintained. The standard value is considered to be a thickness of 5-10 mm.
Is it possible to replace the insulation yourself?
Theoretically You can by cutting out a new sheet of insulation according to the old pattern. However, it is extremely difficult to properly glue it inside a finished bag without sewing equipment. It’s easier to buy a ready-made thermal liner according to the size of the bag.
The inner layer in contact with food should be made of food materialresistant to fats and acids. Often this is PEVA or special impregnated polyester. Damage to this layer (punctures, cuts) leads to contamination of the insulation and loss of hygienic properties.
Additional fittings and pockets
The outer part of the cooler bag is often equipped with additional pockets for accessories. The fasteners on them are called valves or straps. They can be fixed with buttons, Velcro or small zippers.
The buttons used in such products are called press piercings. They consist of four parts: the stem, the mate, the cap and the mate of the cap. Installation requires a special punch and flaring tool, so replacing them at home is difficult.
- 🎒 Straps: adjustable straps for wearing on the shoulder.
- 📦 Pockets: external and internal containers for small items.
- 🏷️ Tags: identification (often included).
Also included in accessories bottom (often hard, made of plastic or dense cardboard) and corner protectorsprotecting the bag from abrasion when placed on the ground.
☑️ Diagnosis of bag malfunction
Tips for repairs and selection of analogues
If you cannot find original “pieces” for your refrigerator bag, you can use universal analogues. For locking locks, the main thing is to match the distance between the mounting holes. For zippers, match the type of teeth (spiral/tractor) and size (No. 3, No. 5, No. 8).
When doing DIY repairs, use silicone sealant to restore the water-repellent properties of the seams. If the inner layer is torn, it can be sealed with a special patch for PVC or shrink film, but this is a temporary solution.
In conclusion, knowing the correct names of parts greatly simplifies the search for spare parts. Be it runner, fastex or thermal liner, using professional vocabulary will help you quickly find the right product in catalogs and efficiently restore the functionality of your equipment.
Can ordinary zippers be used to repair a cooler bag?
Ordinary zippers for clothing will not work. They do not have the required tooth density and water-repellent impregnation. Using a regular zipper will cause the seal to fail and cause a rapid loss of cold. Special zippers are required for equipment or thermal containers.
How to replace a torn inner layer (food layer)?
You can temporarily use cling film or foil, but this is unhygienic and short-lived. The best solution is to order a ready-made thermal insert of a suitable size or contact an equipment repair shop to replace the inner bag.
What is the name of the plastic fastener that clicks?
It is called fastex or carabiner-latch. Also called "split clasp". When searching, indicate the width of the tape on which it is sewn (for example, 25 mm or 50 mm).
Why did the bag stop keeping the cold, although the batteries are intact?
Most likely, the seal is broken. Check the zipper (if it diverges), the condition of the seal around the perimeter of the lid and the presence of punctures in the inner layer. Heat can also penetrate through thin walls if the insulation is wrinkled or damp.
Where to find original spare parts for Dometic or Indel B bags?
It is best to look for original spare parts from official dealers of the brand or in specialized stores of car accessories and travel equipment. The original is rarely found on these marketplaces, mostly universal analogues are sold.