Electromagnetic shielding cold shrink sleeve
By introducing reinforcement ribs and support pipes into the electromagnetic shielded cold shrink sleeve, combined with the closure mechanism, the problem of the support core easily collapse during transportation and use is solved, and the overall structural strength and use effect are improved.
Patent Information
- Application Number
- CN202421066218.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-05-16
AI Technical Summary
The existing electromagnetic shielded cold-condensing sleeves are prone to collapse of the support core due to external force during transportation and use, which affects the use effect.
By introducing reinforcement ribs and support tubes into the cold-condensing sleeve, the overall structural strength is enhanced and the shape is maintained when not in use through the closure mechanism, so as to avoid external pressure squeeze of the support core during transportation and use.
The structural strength of the cold shrink sleeve is improved, the fracture phenomenon caused by mechanical damage and electric shock is reduced, the contraction force is ensured, the protection effect and sealing function are improved, and the support core is prevented from collapse, improving the use effect.
Smart Images

Figure CN222620657U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cold shrink sleeves, in particular to an electromagnetic shielding cold shrink sleeve. Background Art
[0002] Electromagnetic shielding cold shrink tubing, also known as cold shrink insulation tubing, is a tubular cable accessory that uses cold shrink technology. It is usually used in the fields of electricity, communications, electronics, automobiles, and construction. This type of tubing has insulation, dustproof, waterproof, sealing and other functions. It can effectively prevent the insulation layer of wires and cables from being eroded by moisture, dust, chemicals, etc., and improve the insulation performance and safety of the equipment.
[0003] The authorization publication number "CN208753956U" records "a new type of cold shrink sleeve, including an elastic rubber tube and a supporting core piece. The supporting core piece is installed in the elastic rubber tube in a spiral tube shape, and a pulling core rope for extraction is provided at the end of the supporting core piece. A raised thread ring structure is added to the outer side of the elastic rubber tube. The thread ring structure is arranged as a plurality of annular protrusions arranged at equal intervals along the length direction of the outer side of the elastic rubber tube. The height of the annular protrusion is set to 0.5-3mm, the width of the annular protrusion is set to 1-5mm, the spacing between the annular protrusions is set to 0.5-4mm, and the total length of the thread ring structure is set to 30-500mm. The total length of the elastic rubber tube is set to 50-500mm, the port wall thickness is set to 0.3-5mm, and the inner diameter of the supporting core piece is set to 15-120mm. The technical solution of the utility model improves the buffering property of the cold shrink sleeve to achieve external impact resistance and puncture resistance, thereby improving its long-term reliable waterproof sealing protection for irregular cables in various environments."
[0004] The above patent improves the cushioning properties of the cold shrink tubing to achieve resistance to external impact and puncture, thereby improving its long-term reliable waterproof sealing protection for irregular cables in various environments. However, during use, the internal supporting core is easily collapsed due to external force during transportation and use, making the cold shrink tubing unusable. Utility Model Content
[0005] The utility model provides an electromagnetic shielding cold shrink sleeve, which improves the overall structural strength of the cold shrink sleeve by using reinforcing ribs, reduces the phenomenon of mechanical damage or electric shock to the cold shrink sleeve causing rupture during installation, and makes the shrinkage force more uniform, thereby improving the protection effect and sealing function. By using a supporting tube, the internal supporting core will not be squeezed and collapsed by external forces during transportation and use, thereby improving the use effect. In addition, the closing mechanism ensures that the overall shape is fixed when not in use, thereby ensuring overall stability.
[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: an electromagnetic shielding cold shrink sleeve, comprising:
[0007] Cold shrink tubing;
[0008] A reinforcing rib fixedly connected to the cold shrink sleeve;
[0009] The supporting mechanism is arranged in the cold shrink sleeve and is used for expanding and supporting the cold shrink sleeve;
[0010] A support tube, the support tube is installed in the support mechanism to support the inner support of the support mechanism; and
[0011] The closing mechanism is arranged on the supporting tube and is used to close both ends of the shrink sleeve to ensure stability.
[0012] Furthermore, the supporting mechanism includes a stretching component and a supporting core member, the supporting core member is installed in the cold shrink sleeve, and the stretching component is arranged on the supporting core member.
[0013] Furthermore, the stretching component includes a pull rod and a pull ring, the pull rod is installed in the support tube, and one end of the pull rod is fixedly connected to one end of the supporting core, the pull ring is installed in one end of the support tube, and the support tube is fixedly connected to the other end of the pull rod.
[0014] Furthermore, the sealing mechanism includes a sealing sleeve and a butt sleeve, wherein the sealing sleeve is fixedly connected to one end of the support tube, and the butt sleeve is installed at one end of the cold shrink sleeve.
[0015] Furthermore, a docking groove is provided in the docking sleeve, and the docking groove is connected to the pull rod.
[0016] The utility model provides an electromagnetic shielding cold shrink sleeve, which has the following beneficial effects:
[0017] (1) The electromagnetic shielding cold shrink tube improves the overall structural strength of the cold shrink tube by using reinforcing ribs, reduces the phenomenon of mechanical damage or electric shock causing rupture of the cold shrink tube during installation, and makes the shrinkage force more uniform, thereby improving the protection effect and sealing function.
[0018] (2) The electromagnetic shielding cold shrink tubing uses a support tube to prevent the internal support core from collapsing due to external force during transportation and use, thereby improving the use effect. In addition, the sealing mechanism ensures that the overall shape is fixed when not in use, ensuring overall stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a cross-sectional exploded view of the utility model;
[0020] Figure 2 It is an exploded view of the utility model;
[0021] Figure 3 It is a partial cross-sectional view of the utility model;
[0022] Figure 4 It is a three-dimensional diagram of the utility model.
[0023] In the figure: 1. cold shrink tubing; 2. supporting core; 3. pull rod; 4. reinforcing rib; 5. supporting tube; 6. sealing sleeve; 7. pull ring; 8. docking sleeve; 9. docking groove. DETAILED DESCRIPTION
[0024] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-4 The utility model provides a technical solution: an electromagnetic shielding cold shrink sleeve, comprising:
[0026] Cold shrink tubing 1;
[0027] A reinforcing rib 4, wherein the reinforcing rib 4 is fixedly connected to the cold shrink sleeve 1;
[0028] The supporting mechanism is arranged in the cold shrink sleeve 1 and is used for expanding and supporting the cold shrink sleeve 1;
[0029] A support tube 5, which is installed in the support mechanism to support the inner support of the support mechanism; and
[0030] The closing mechanism is arranged on the supporting tube 5 to close both ends of the shrink sleeve 1 to ensure stability.
[0031] In this embodiment: the cold shrink sleeve 1 belongs to the existing technology and will not be elaborated here. To ensure the use effect, the reinforcing rib 4 and the cold shrink sleeve 1 are made of the same material. Therefore, under the premise of ensuring the uniformity of the material, the overall strength of the cold shrink sleeve 1 can be improved to ensure the use effect. The support tube 5 is inside the cold shrink sleeve 1 to support the structural strength of the mechanism to avoid collapse of the support mechanism during use.
[0032] Specifically, the supporting mechanism includes a stretching component and a supporting core 2 . The supporting core 2 is installed in the cold shrink sleeve 1 , and the stretching component is arranged on the supporting core 2 .
[0033] In this embodiment: the supporting core 2 is spiral-shaped, which is convenient for pulling out and using.
[0034] Specifically, the stretching component includes a pull rod 3 and a pull ring 7. The pull rod 3 is installed in the support tube 5, and one end of the pull rod 3 is fixedly connected to one end of the supporting core 2. The pull ring 7 is installed in one end of the support tube 5, and the support tube 5 is fixedly connected to the other end of the pull rod 3.
[0035] In this embodiment, the pull rod 3 , the pull ring 7 and the supporting core member 2 form a whole, which is convenient for supporting the supporting core member 2 .
[0036] Specifically, the sealing mechanism includes a sealing sleeve 6 and a butt sleeve 8 . The sealing sleeve 6 is fixedly connected to one end of the support tube 5 , and the butt sleeve 8 is installed on one end of the cold shrink sleeve 1 .
[0037] In this embodiment, the sealing sleeve 6 and the docking sleeve 8 form a ring structure as a whole to ensure the use effect.
[0038] Specifically, a docking groove 9 is provided in the docking sleeve 8 , and the docking groove 9 is engaged with the pull rod 3 .
[0039] In this embodiment, the butt joint groove 9 is engaged with the pull rod 3 in order to ensure stable installation and not be affected by the pull rod 3 .
[0040] When in use, remove the docking sleeve 8, open one end of the shrink sleeve 1, and put it on the cable from the opened end. When it reaches the use position, pull the pull ring 7 to transmit the force to the support core 2 through the pull rod 3, so that the support core 2 can be withdrawn from the shrink sleeve 1 in turn. During the withdrawal process, the support tube 5 follows the support core 2 to withdraw, so that the support tube 5 can stably support the position where the support core 2 is not withdrawn. When the support core 2 is completely withdrawn, the support tube 5 follows and is completely withdrawn to ensure the use effect.
[0041] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.
[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An electromagnetic shielding cold shrink tubing, characterized in that: include: Cold shrink tubing (1); A reinforcing rib (4), wherein the reinforcing rib (4) is fixedly connected to the cold shrink sleeve (1); A supporting mechanism is arranged in the cold shrink sleeve (1) and is used to expand and support the cold shrink sleeve (1); A support tube (5), wherein the support tube (5) is installed in the support mechanism and is used for internal support of the support mechanism; as well as The closing mechanism is arranged on the supporting tube (5) and is used to close the two ends of the cold shrink sleeve (1) to ensure stability.
2. The electromagnetic shielding cold shrink sleeve according to claim 1, characterized in that: The supporting mechanism comprises a stretching component and a supporting core (2), wherein the supporting core (2) is installed in the cold shrink sleeve (1), and the stretching component is arranged on the supporting core (2).
3. The electromagnetic shielding cold shrink sleeve according to claim 2, characterized in that: The stretching component comprises a pull rod (3) and a pull ring (7); the pull rod (3) is installed in the support tube (5), and one end of the pull rod (3) is fixedly connected to one end of the support core (2); the pull ring (7) is installed in one end of the support tube (5), and the support tube (5) is fixedly connected to the other end of the pull rod (3).
4. The electromagnetic shielding cold shrink sleeve according to claim 3, characterized in that: The sealing mechanism comprises a sealing sleeve (6) and a butt sleeve (8), wherein the sealing sleeve (6) is fixedly connected to one end of the support tube (5), and the butt sleeve (8) is installed on one end of the cold shrink sleeve (1).
5. The electromagnetic shielding cold shrink sleeve according to claim 4, characterized in that: A docking groove (9) is provided in the docking sleeve (8), and the docking groove (9) is clamped with the pull rod (3).
Citation Information
Patent Citations
Novel shrinkage sleeve pipe
CN208753956U