Explosion-proof cable clamping and sealing gland
By improving the gland structure and utilizing components such as external threaded cylinders, O-rings, and clamping rings, the problem of ineffective cable fastening and sealing is solved, achieving both safety and flexibility in cable connections.
Patent Information
- Application Number
- CN202423164089.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-21
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-21
AI Technical Summary
Existing explosion-proof cable clamps and sealing glands cannot effectively tighten and seal, allowing flammable and explosive gases, dust, or moisture to enter the equipment, posing a safety hazard.
A gland head structure was designed, which includes components such as an external threaded cylinder, an O-ring, a clamping ring, and a conical ring. Through the combination of threaded connection and sealing ring, the stability and sealing of the cable are ensured.
It improves the sealing and stability of cable connections, prevents flammable gases or dust from entering, ensures equipment safety, and makes the installation process convenient and flexible.
Smart Images
Figure CN223583770U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cable connection technical field especially relates to a kind of anti-explosion cable clamping sealing gland. BACKGROUND
[0002] Explosion-proof gland is applied to the fixing and protection of the wire and cable of mechanical equipment electrical, ship electrical, anticorrosion equipment, and its main function is the fastening and sealing of cable, fastening refers to the locking cable by gland, so that cable does not produce axial displacement and radial rotation, so as to ensure the normal connection of cable.
[0003] In prior art, part of anti-explosion cable clamping sealing gland cannot effectively fasten and seal cable in specific use process, in flammable and explosive gas, dust and other dangerous environment, external combustible gas or dust can enter the inside of equipment through the gap between cable and gland, or in humid or water environment, water enters cable, causing cable short circuit, therefore, aiming at the above problems, an anti-explosion cable clamping sealing gland is provided. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in prior art, and provides an anti-explosion cable clamping sealing gland, to improve the problem that cable cannot be effectively fastened and sealed in prior art.
[0005] To achieve the above object, the utility model provides the following technical scheme: an anti-explosion cable clamping sealing gland, comprising a connector, the left side of the connector is fixedly connected with an outer thread cylinder one, the outside of the outer thread cylinder one is sleeved with an O-shaped washer one, the right side of the connector is fixedly connected with an outer thread cylinder two, the outside of the outer thread cylinder two is sleeved with an O-shaped washer two, the inside of the connector is provided with a cable assembly, the outside of the cable assembly is sleeved with a clamping ring, the outside of the clamping ring is fixedly connected with a clamping jaw, the outside of the outer thread cylinder one is threadedly connected with a connecting ring, the outside of the cable assembly is slidably connected with a conical ring, the inside of the outer thread cylinder two is threadedly connected with an outer thread ring.
[0006] Specifically, the outside of the outer thread cylinder one is provided with a thread groove one, the thread groove one is reasonably designed, and the thread structure is clear.
[0007] As a further description of the above technical scheme:
[0008] The cable assembly comprises an outer sheath, the outside of the outer sheath is arranged in the inside of the connector, the inside of the outer sheath is fixedly connected with an armored layer, and the inside of the armored layer is fixedly connected with a conductor.
[0009] Specifically, the armored layer can enhance the strength and protection performance of cable.
[0010] As a further description of the above technical solutions:
[0011] The inner part of the outer thread ring is slidably connected to the outer part of the conductor, and the inner part of the outer thread ring is slidably connected to the outer part of the armor layer.
[0012] Specifically, the conductor is the core part of the cable for transmitting current, and the outer thread ring can enhance the clamping and sealing performance.
[0013] As a further description of the above technical solutions:
[0014] The inner part of the tapered ring is slidably connected to the inner part of the conductor, and the inner part of the tapered ring is slidably connected to the inner part of the armor layer.
[0015] Specifically, the tapered ring ensures close contact with the conductor and ensures clamping effect on the armor layer.
[0016] As a further description of the above technical solutions:
[0017] The outer part of the outer thread cylinder one is provided with a thread groove one, and the inner and outer sides of the outer thread cylinder two are provided with a thread groove two.
[0018] Specifically, the inner and outer sides of the outer thread cylinder two are provided with a thread groove two, and the distribution of the thread groove two is reasonable, which can realize different connection functions.
[0019] As a further description of the above technical solutions:
[0020] The material of the O-ring one is neoprene material, and the material of the O-ring two is neoprene material.
[0021] Specifically, the O-ring two can play a sealing role, and enhance the sealing performance of the device.
[0022] As a further description of the above technical solutions:
[0023] The right side of the O-ring one is in contact with the left side of the connector, and the left side of the O-ring two is in contact with the right side of the connector.
[0024] Specifically, the O-ring one and the O-ring two form a sealing barrier at the connection between the cable and the outer thread cylinder, effectively preventing external gas, liquid or dust from entering the inside of the gland.
[0025] As a further description of the above technical solutions:
[0026] The inner part of the connecting ring is slidably connected to the outer part of the clamping ring, and the inner part of the connecting ring is slidably connected to the outer part of the clamping jaw.
[0027] Specifically, the clamping jaw can further enhance the clamping effect and ensure the stability of the cable in the gland.
[0028] The utility model has the advantages of:
[0029] 1. In the utility model, the outer threaded cylinder one and the outer threaded cylinder two ensure the stability of the connection. The O-ring one and the O-ring two form a sealed barrier at the connection between the cable and the outer threaded cylinder, effectively preventing external gas, liquid or dust from entering the interior of the gland, greatly improving the sealing performance of the cable connection, avoiding the entry of flammable gas or dust to cause an explosion hazard, and ensuring the safety of the workplace.
[0030] 2. In the utility model, after the conical ring is inserted into the armored layer, the outer threaded ring can be twisted to tighten the conical ring and screw it with the outer threaded cylinder two, further enhancing the clamping and sealing effect on the cable. This design makes the installation process more convenient, while also improving the stability and reliability of the installation. The outer threaded cylinder two can be connected with other components having corresponding threads, increasing the flexibility of the gland installation and adapting to different installation requirements and scenarios. BRIEF DESCRIPTION OF DRAWINGS
[0031] Fig. 1 A perspective view of the explosion-proof cable clamping and sealing gland is provided for the utility model;
[0032] Fig. 2 A schematic diagram of the armored layer structure of the explosion-proof cable clamping and sealing gland is provided for the utility model;
[0033] Fig. 3 A schematic diagram of the O-ring two structure of the explosion-proof cable clamping and sealing gland is provided for the utility model;
[0034] Fig. 4 An exploded view of the joint structure of the explosion-proof cable clamping and sealing gland is provided for the utility model.
[0035] LEGEND:
[0036] 1. Joint; 2. Outer threaded cylinder one; 3. O-ring one; 4. Outer threaded cylinder two; 5. O-ring two; 6. Outer protective layer; 7. Armored layer; 8. Conductor; 9. Clamping ring; 10. Clamping jaw; 11. Connection ring; 12. Conical ring; 13. Outer threaded ring. DETAILED DESCRIPTION
[0037] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.
[0038] Referring to Figs. 1-2 As shown in the utility model provides an embodiment: a kind of anti-explosion cable clamping sealing gland head, including connector 1, connector 1 as the key part of connection, the left side of connector 1 is fixedly connected with outer thread cylinder one 2, outer thread cylinder one 2 as the component of connection and fixation, its thread structure is clear, outer thread cylinder one 2 is externally provided with thread groove one, thread groove one is reasonably designed, the inside and outside of outer thread cylinder two 4 are provided with thread groove two, the distribution of thread groove two is reasonable, different connection functions can be realized. The outside of outer thread cylinder one 2 is provided with O-ring one 3, O-ring one 3 can play a sealing role in the connecting part, prevent gas, liquid leakage etc. The right side of O-ring one 3 is in contact with the left side of connector 1, ensure the tightness of sealing;
[0039] The material of O-ring two 5 is neoprene material, O-ring two 5 can also play a sealing role, and its performance is reliable. The left side of O-ring two 5 is in contact with the right side of connector 1, to ensure the sealing effect. The right side of connector 1 is fixedly connected with outer thread cylinder two 4, outer thread cylinder two 4 can be threadedly connected with other components, to realize the functions of fixation and sealing. The outside of outer thread cylinder two 4 is provided with O-ring two 5, O-ring two 5 plays a sealing role in the connecting part. The inside of connector 1 is provided with cable assembly, which includes outer sheath 6, which can protect the internal cable structure and prevent external environmental influence. The outside of outer sheath 6 is arranged in the inside of connector 1, to ensure the stability of connection. The inside of outer sheath 6 is fixedly connected with armored layer 7, which can enhance the strength and protection performance of the cable. The inside of armored layer 7 is fixedly connected with conductor 8, which is the core part of the cable for transmitting current.
[0040] Referring to Figs. 2-4 As shown in the utility model provides an embodiment: a kind of anti-explosion cable clamping sealing gland head, including connector 1, connector 1 as the key part of connection, the left side of connector 1 is fixedly connected with outer thread cylinder one 2, outer thread cylinder one 2 as the component of connection and fixation, its thread structure is clear, outer thread cylinder one 2 is externally provided with thread groove one, thread groove one is reasonably designed, the inside and outside of outer thread cylinder two 4 are provided with thread groove two, the distribution of thread groove two is reasonable, different connection functions can be realized. The outside of outer thread cylinder one 2 is provided with O-ring one 3, O-ring one 3 can play a sealing role in the connecting part, prevent gas, liquid leakage etc. The right side of O-ring one 3 is in contact with the left side of connector 1, ensure the tightness of sealing;
[0041] The outer part of the cable assembly is connected with a conical ring 12, which can further clamp and seal the cable. The inner part of the conical ring 12 is connected with the inner part of the conductor 8, ensuring tight contact with the conductor 8. The inner part of the conical ring 12 is connected with the inner part of the armored layer 7, ensuring the clamping effect on the armored layer 7. The outer part of the outer threaded cylinder two 4 is connected with the outer threaded ring 13, which can tighten the conical ring 12 and enhance the clamping and sealing performance. The inner part of the outer threaded ring 13 is connected with the outer part of the conductor 8, ensuring tight connection with the conductor 8. The inner part of the outer threaded ring 13 is connected with the outer part of the armored layer 7, ensuring the clamping effect on the armored layer 7.
[0042] Working principle: The connector 1 is the connecting part of the entire gland, used for connecting with other equipment or pipelines. The outer threaded cylinder one 2 and the outer threaded cylinder two 4 are respectively installed at both ends of the connector 1, fixed with the external structure through threaded connection.
[0043] O-ring one 3 and O-ring two 5 play a sealing role. When the gland is installed on the cable, O-ring one 3 and O-ring two 5 are respectively located on both sides of the connector 1, forming a sealing barrier through extrusion deformation, preventing external gas, liquid or dust from entering the interior of the gland, ensuring the sealing and explosion-proof performance of the cable connection.
[0044] The cable is usually composed of an outer sheath 6, an armored layer 7 and a conductor 8. The clamping ring 9 and the clamping claw 10 work together to tighten the cable. When the cable passes through the gland, the clamping ring 9 and the clamping claw 10 tighten around the cable, fixing the cable inside the gland through mechanical pressure. The special design of the clamping claw 10 can adapt to cables of different diameters and provide uniform clamping force, ensuring that the cable does not loosen or move inside the gland, and then the clamping and sealing effect is further enhanced by the connecting ring 11.
[0045] Then insert the conical ring 12 into the inner part of the armored layer 7, and then twist the outer threaded ring 13, so that the outer threaded ring 13 tightens the conical ring 12 and is threaded inside the outer threaded cylinder two 4, further enhancing the clamping force and sealing performance of the cable, and then the outer threaded cylinder two 4 can be connected with other components with corresponding threads, increasing the installation flexibility and versatility of the gland.
[0046] It realizes effective clamping and sealing effect of the cable, ensuring the safety and reliability of the cable connection, and is suitable for various explosion-proof environments.
[0047] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A type of explosion-proof cable clamping and sealing gland, comprising a connector (1), characterized in that: The left side of the connector (1) is fixedly connected to an external threaded cylinder one (2), and an O-ring one (3) is sleeved on the outside of the external threaded cylinder one (2). The right side of the connector (1) is fixedly connected to an external threaded cylinder two (4), and an O-ring two (5) is sleeved on the outside of the external threaded cylinder two (4). The inside of the connector (1) is provided with a cable assembly, and a clamping ring (9) is sleeved on the outside of the cable assembly. A clamping claw (10) is fixedly connected to the outside of the clamping ring (9). A connecting ring (11) is threaded on the outside of the external threaded cylinder one (2). A conical ring (12) is slidably connected to the outside of the cable assembly. An external threaded ring (13) is threaded on the inside of the external threaded cylinder two (4).
2. The explosion-proof cable clamping and sealing gland according to claim 1, characterized in that: The cable assembly includes an outer sheath (6), the outside of which is disposed inside the connector (1), and an armor layer (7) is fixedly connected inside the outer sheath (6), and a conductor (8) is fixedly connected inside the armor layer (7).
3. The explosion-proof cable clamping and sealing gland according to claim 2, characterized in that: The internal sliding connection of the external threaded ring (13) is to the outside of the conductor (8), and the internal sliding connection of the external threaded ring (13) is to the outside of the armor layer (7).
4. The explosion-proof cable clamping and sealing gland according to claim 2, characterized in that: The conical ring (12) is slidably connected inside the conductor (8), and the conical ring (12) slides inside the armor layer (7).
5. The explosion-proof cable clamping and sealing gland according to claim 1, characterized in that: The external threaded cylinder (2) has a threaded groove on its outside, and the external threaded cylinder (4) has a threaded groove on both its inner and outer sides.
6. The explosion-proof cable clamping and sealing gland according to claim 1, characterized in that: The material of the first O-ring (3) is neoprene rubber, and the material of the second O-ring (5) is neoprene rubber.
7. The explosion-proof cable clamping and sealing gland according to claim 1, characterized in that: The right side of the first O-ring (3) is in contact with the left side of the connector (1), and the left side of the second O-ring (5) is in contact with the right side of the connector (1).
8. The explosion-proof cable clamping and sealing gland according to claim 1, characterized in that: The inside of the connecting ring (11) is slidably connected to the outside of the clamping ring (9), and the inside of the connecting ring (11) is slidably connected to the outside of the clamping claw (10).