CN214850304U - Cable inlet wire clamping device and explosion-proof junction box - Google Patents

Cable inlet wire clamping device and explosion-proof junction box Download PDF

Info

Publication number
CN214850304U
CN214850304U CN202120146337.9U CN202120146337U CN214850304U CN 214850304 U CN214850304 U CN 214850304U CN 202120146337 U CN202120146337 U CN 202120146337U CN 214850304 U CN214850304 U CN 214850304U
Authority
CN
China
Prior art keywords
inlet wire
cable
pipe
clamping device
explosion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120146337.9U
Other languages
Chinese (zh)
Inventor
何世锋
卢发明
朱志勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Hualong Electrical Equipment Co ltd
Original Assignee
Henan Hualong Electrical Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Hualong Electrical Equipment Co ltd filed Critical Henan Hualong Electrical Equipment Co ltd
Priority to CN202120146337.9U priority Critical patent/CN214850304U/en
Application granted granted Critical
Publication of CN214850304U publication Critical patent/CN214850304U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Cable Accessories (AREA)

Abstract

The utility model discloses a cable inlet wire clamping device and explosion-proof junction box, cable inlet wire clamping device are including installation pipe, tubaeform inlet wire pipe, cable clamp plate, sealing washer and metal retaining ring, the little one end of tubaeform inlet wire external diameter is for compressing tightly the horn mouth, it is equipped with the screw thread to compress tightly the horn mouth outer wall, the installation inside pipe wall is equipped with the screw thread, installation pipe and the horn mouth threaded connection that compresses tightly, and it has to compress tightly the horn mouth port butt in proper order the metal retaining ring with the sealing washer, tubaeform inlet wire pipe outer wall middle part is equipped with the breach, be equipped with cable clamp plate in the breach, tubaeform inlet wire pipe outer wall middle part symmetry rigid coupling has two installation pieces, the installation piece with cable clamp plate passes through screwed connection. The utility model aims to provide a: the utility model provides a cable inlet wire clamping device and explosion-proof junction box, aims at solving the technical problem that the cable receives pulling out of external force very easily among the current cable inlet wire clamping device and leads to cable connection end pine to take place the short circuit accident.

Description

Cable inlet wire clamping device and explosion-proof junction box
Technical Field
The utility model belongs to the technical field of cable equipment, concretely relates to cable inlet wire clamping device and explosion-proof junction box.
Background
The explosion-proof junction box is a special distribution device applied to various high-risk places, and compared with a civil junction box, the explosion-proof junction box is an electric distribution box with an explosion-proof function and is formed by various explosion-proof transformation. The explosion-proof junction box mainly realizes the connection of a cable line, and the joint of the cable needs to be sealed and protected, so that the accident caused by the ignition of flammable and explosive substances in a special place by the cable joint is avoided.
The explosion-proof junction box comprises a shell, a shell cover, an inlet and outlet cable clamping device, an internal wiring terminal and other main components, wherein the shell and the shell cover are formed by casting aluminum alloy in a die-casting mode, are subjected to electrostatic spraying after being polished and are assembled with the inlet and outlet cable clamping device and the wiring terminal. If the cable incoming line clamping device meets an emergency in the use process, the cable is easy to be pulled out by external force, so that the cable terminal is loosened to cause a short circuit accident, and therefore, the cable incoming line clamping device capable of preventing the cable terminal from being loosened is necessary to design.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a cable inlet wire clamping device and explosion-proof junction box, aims at solving the technical problem that the cable receives pulling out of external force very easily among the current cable inlet wire clamping device and leads to cable connection end pine to take place the short circuit accident.
The utility model adopts the technical scheme as follows:
the utility model provides a cable inlet wire clamping device, is including installation pipe, tubaeform inlet wire pipe, cable clamp plate, sealing washer and metal retaining ring, the one end that tubaeform inlet wire external diameter is little is for compressing tightly the horn mouth, it is equipped with the screw thread to compress tightly the horn mouth outer wall, the installation inside pipe wall is equipped with the screw thread, installation pipe and the horn mouth threaded connection that compresses tightly the horn mouth port butt in proper order have the metal retaining ring with the sealing washer, tubaeform inlet wire pipe outer wall middle part is equipped with the breach, be equipped with the cable clamp plate in the breach, tubaeform inlet wire pipe outer wall middle part symmetry rigid coupling has two installation pieces, the installation piece with the cable clamp plate passes through screwed connection.
Preferably, explosion-proof junction box includes cable inlet wire clamping device, casing, lid and binding post, the installation pipe keep away from the one end of loudspeaker form inlet wire pipe with casing lateral wall rigid coupling and installation pipe and casing internal intercommunication, the casing internal rigid coupling have binding post, the lid is equipped with the fixed screw all around, and the lid passes through fixed screw and casing fixed connection.
Preferably, explosion-proof junction box still includes the sealed pad of bent way, the sealed pad of bent way include the hollow bottom sealing strip in middle part with the sand grip that is equipped with all around on bottom sealing strip surface, sand grip and bottom sealing strip integrated into one piece, the lid lower surface is equipped with the recess all around, the recess with the sand grip joint, bottom sealing strip lower surface with casing top butt.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the cable clamp plate is used for fixing the cable inlet wire inserted into the horn-shaped inlet wire pipe so as to avoid the technical problem that the cable terminal is loosened to cause a short circuit accident due to the pulling-out of external force.
2. The curved sealing gasket is used for preventing external water from entering the shell to cause short circuit of an internal circuit.
Drawings
FIG. 1 is a main structural view of a cable inlet clamping device;
FIG. 2 is a cross-sectional view of a cable inlet clamp;
FIG. 3 is a structural view of the cable inlet clamp with the cable clamp plate removed;
FIG. 4 is a structural view of an explosion-proof junction box including a cable entry clamping arrangement;
FIG. 5 is a right side sectional view of the explosion proof junction box;
FIG. 6 is an enlarged view of A in FIG. 5;
FIG. 7 is a front view of the labyrinth seal;
FIG. 8 is a right side cross-sectional view of the labyrinth seal;
FIG. 9 is a front view of the cover;
FIG. 10 is a right side cross-sectional view of the lid;
fig. 11 is a rear view of the cover.
Reference numerals: 1-installation tube, 2-pressing horn mouth, 3-cable pressing plate, 4-horn-shaped inlet tube, 5-screw, 6-metal retainer ring, 7-sealing ring, 8-installation block, 9-notch, 10-shell, 11-cover, 12-groove, 13-bottom sealing strip, 14-wiring terminal and 15-raised strip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
In the case of the example 1, the following examples are given,
referring to fig. 1-3, a cable inlet wire clamping device, including installation pipe 1, loudspeaker form inlet wire pipe 4, cable clamp plate 3, sealing washer 7 and metal retaining ring 6, the little one end of 4 external diameters of loudspeaker form inlet wire pipe is for compressing tightly horn mouth 2, it is equipped with the screw thread to compress tightly 2 outer walls of horn mouth, 1 inner wall of installation pipe is equipped with the screw thread, installation pipe 1 with compress tightly 2 threaded connection of horn mouth, it has metal retaining ring 6 and sealing washer 6 to compress tightly 2 ports of horn mouth butt in proper order, 4 outer wall middle parts of loudspeaker form inlet wire pipe are equipped with breach 9, be equipped with cable clamp plate 3 in the breach 9, 4 outer wall middle part symmetry rigid couplings of loudspeaker form inlet wire pipe have two installation pieces 8, installation piece 8 passes through screw 5 with cable clamp plate 3 and is connected.
One end of the horn-shaped wire inlet pipe 4 with large outer diameter is used for inserting a cable; the middle part of the outer wall of the horn-shaped wire inlet pipe 4 is provided with a notch 9, a cable pressing plate 3 is arranged in the notch 9, the middle parts of the outer wall of the horn-shaped wire inlet pipe 4 are symmetrically and fixedly connected with two mounting blocks 8, and the mounting blocks 8 are connected with the cable pressing plate 3 through screws 5. The cable pressing plate 3 is used for fixing the cable inlet wire inserted into the horn-shaped inlet wire pipe 4 so as to avoid the technical problem that the cable terminal is loosened and short-circuit accidents are caused due to the pulling-out of external force.
In the case of the example 2, the following examples are given,
referring to fig. 1-11, an explosion-proof junction box comprises a cable inlet wire clamping device, a housing 10, a cover 11 and a connecting terminal 14 in embodiment 1, wherein the cable inlet wire clamping device comprises a mounting tube 1, a horn-shaped inlet wire tube 4, a cable pressing plate 3, a sealing ring 7 and a metal retaining ring 6, the end of the horn-shaped inlet wire tube 4 with a small outer diameter is a pressing horn mouth 2, the outer wall of the pressing horn mouth 2 is provided with threads, the inner wall of the mounting tube 1 is provided with threads, the mounting tube 1 is in threaded connection with the pressing horn mouth 2, the end of the pressing horn mouth 2 is sequentially abutted with the metal retaining ring 6 and the sealing ring 6, the middle part of the outer wall of the horn-shaped inlet wire tube 4 is provided with a notch 9, the cable pressing plate 3 is arranged in the notch 9, the middle part of the outer wall of the horn-shaped inlet wire tube 4 is symmetrically and fixedly connected with two mounting blocks 8, the mounting blocks 8 are in threaded connection with the cable pressing plate 3 through screws 5, one end of the mounting tube 1 far away from the horn-shaped inlet wire tube 4 is fixedly connected with the side wall of the housing 10 and the mounting tube 1 is communicated with the housing 10, a connecting terminal 14 is fixedly connected in the shell 10, fixing screws 13 are arranged on the periphery of the cover 11, and the cover 11 is fixedly connected with the shell 10 through the fixing screws 13.
Wherein, explosion-proof junction box still includes curved sealing gasket, and curved sealing gasket includes that the hollow bottom sealing strip 13 in middle part and the sand grip 15 that is equipped with all around on the surface of bottom sealing strip 13, sand grip 15 and bottom sealing strip 13 integrated into one piece, lid lower surface are equipped with recess 12 all around, recess 12 and 15 joints of sand grip, 13 lower surfaces of bottom sealing strip and 10 top butts of casing.
Sealing pad in curved way is used for avoiding causing the inner line short circuit in external water gets into casing 10, particularly, sealing pad in curved way includes hollow bottom sealing strip 13 in middle part and the sand grip 15 that is equipped with all around on bottom sealing strip 13 surface, sand grip 15 and bottom sealing strip 13 integrated into one piece, 11 lower surfaces of lid are equipped with recess 12 all around, recess 12 and 15 joints of sand grip, 13 lower surfaces of bottom sealing strip and 10 top butt of casing, fixed screw 13 runs through lid 11 and bottom sealing strip 13 and 10 screwed connection of casing in proper order, realize casing 10's sealed. The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (3)

1. The utility model provides a cable inlet wire clamping device which characterized in that: including installation pipe (1), loudspeaker form inlet wire pipe (4), cable clamp plate (3), sealing washer (7) and metal retainer ring (6), the little one end of loudspeaker form inlet wire pipe (4) external diameter is for compressing tightly horn mouth (2), it is equipped with the screw thread to compress tightly horn mouth (2) outer wall, installation pipe (1) inner wall is equipped with the screw thread, installation pipe (1) with compress tightly horn mouth (2) threaded connection, compress tightly horn mouth (2) port and have butt in proper order and connect metal retainer ring (6) with sealing washer (7), loudspeaker form inlet wire pipe (4) outer wall middle part is equipped with breach (9), be equipped with cable clamp plate (3) in breach (9), loudspeaker form inlet wire pipe (4) outer wall middle part symmetry rigid coupling has two installation pieces (8), installation piece (8) with cable clamp plate (3) are connected through screw (5).
2. An explosion-proof junction box comprising the cable inlet clamping device of claim 1, wherein: explosion-proof junction box includes cable inlet wire clamping device, casing (10), lid (11) and binding post (14), install pipe (1) keep away from the one end of loudspeaker form inlet wire pipe (4) with intercommunication in casing (10) lateral wall rigid coupling and installation pipe (1) and casing (10), the rigid coupling has in casing (10) binding post (14), lid (11) are equipped with fixed screw (5) all around, and lid (11) pass through fixed screw (5) and casing (10) fixed connection.
3. An explosion-proof junction box as defined in claim 2, in which: explosion-proof junction box still seals up including the sealed pad of bent way, the sealed pad of bent way includes hollow bottom sealing strip (13) in middle part and bottom sealing strip (13) surface is equipped with sand grip (15) all around, sand grip (15) and bottom sealing strip (13) integrated into one piece, lid (11) lower surface is equipped with recess (12) all around, recess (12) with sand grip (15) joint, bottom sealing strip (13) lower surface with casing (10) top butt.
CN202120146337.9U 2021-01-19 2021-01-19 Cable inlet wire clamping device and explosion-proof junction box Active CN214850304U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120146337.9U CN214850304U (en) 2021-01-19 2021-01-19 Cable inlet wire clamping device and explosion-proof junction box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120146337.9U CN214850304U (en) 2021-01-19 2021-01-19 Cable inlet wire clamping device and explosion-proof junction box

Publications (1)

Publication Number Publication Date
CN214850304U true CN214850304U (en) 2021-11-23

Family

ID=78882341

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120146337.9U Active CN214850304U (en) 2021-01-19 2021-01-19 Cable inlet wire clamping device and explosion-proof junction box

Country Status (1)

Country Link
CN (1) CN214850304U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114966285A (en) * 2022-06-02 2022-08-30 南通米兰特电气有限公司 Automatic change cable quality detection device for elevator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114966285A (en) * 2022-06-02 2022-08-30 南通米兰特电气有限公司 Automatic change cable quality detection device for elevator
CN114966285B (en) * 2022-06-02 2023-11-14 南通米兰特电气有限公司 Automatic change cable quality detection device for elevator

Similar Documents

Publication Publication Date Title
CN214850304U (en) Cable inlet wire clamping device and explosion-proof junction box
CN202333718U (en) Quick connector for 20 kV tunnel cables
CN210517697U (en) Universal explosion-proof junction box for motor
CN211720246U (en) Cable traction quick connector
CN210927062U (en) Cable grounding box
CN216056277U (en) Wiring cavity with two incoming line modes for mining dry-type transformer
CN212542816U (en) Anti-pulling bending type outlet underwater sealing plug
CN220456747U (en) Sealing structure of distribution connector
CN210490359U (en) Light current engineering spool connecting device
CN217444732U (en) Novel waterproof box of working a telephone switchboard
CN218102547U (en) Intelligent cable joint protective housing
CN208045791U (en) A kind of high-voltage connecting wire box
CN219917733U (en) Extrusion fastening type high-voltage connector
CN217387799U (en) Quick bus converging device
CN215932770U (en) Cylindrical explosion-proof acousto-optic alarm
CN213402686U (en) Waterproof joint of waterproof motor wire outlet hole
CN210350718U (en) Explosion-proof terminal box convenient to wiring
CN210694115U (en) Explosion-proof license plate recognition camera without exposed wire
CN214799924U (en) Double-layer sealing structure of wire harness assembly connector of steel pipe heater
CN219304454U (en) Connecting assembly device for cable integration
CN218101928U (en) Copper-aluminum high-voltage connection box connector
CN214755357U (en) Regulator cubicle cable hole plugging device
CN215680411U (en) Cylindrical flame-retardant shell with built-in explosion-proof capacitor
CN212908690U (en) Waterproof block terminal of business turn over line department
CN211377144U (en) Pressing structure of pressing connector

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant