Junction box of electrical connector

Abstract

The utility model relates to the technical field of junction boxes, in particular to a junction box of an electrical connector, which comprises a box body, a sleeve and a movable rod, the outer wall of the upper end of the box body is in threaded connection with a cover plate, one side of the outer wall of the upper end of the cover plate is provided with an assembly hole, the sleeve is arranged in the assembly hole, the upper end of the inner wall of the sleeve is provided with a movable hole, and the movable rod is arranged in the movable hole. A movable rod is movably arranged in the movable hole, a piston plate is connected to the outer wall of the lower end of the movable rod through a screw, a limiting plate is installed on the outer wall of the upper end of the movable rod, a warning column is installed on the outer wall of the upper end of the limiting plate, the limiting plate is located at the upper end of the sleeve, and jacking columns distributed in a circular array mode are installed on the outer wall of the upper end of the piston plate. When the internal sealing performance of the box body is damaged, the elastic force of the spring pushes the movable rod to move downwards to reset, so that an abnormal warning signal can be visually sent to a worker, the worker can conveniently find and process problems in time, and the safety and reliability of the junction box in use are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of junction box, concretely relates to a junction box of electrical connector. BACKGROUND

[0002] Electrical connector is used for connecting two or more electrical circuits, using connector can avoid complex wiring and welding work, greatly simplifies the installation process of electrical equipment, electrical connector has plug-in connector, soldering connector, crimping connector according to connection mode classification, and the crimping connector is connected together with the contact piece by crimping tool, and the most widely used is junction box, connector is arranged and installed in the junction box, and the junction box is mainly used for protecting the connecting point of electrical connector and providing safe and reliable connection environment for the connecting point, and the junction box can close the connecting point of electrical connector, avoid its mechanical damage, dust, moisture and other pollutants.

[0003] The utility model discloses a cable junction box device, including box bottom, the bottom top of box bottom is bolted with two clamping blocks one, the top of two clamping blocks one is all installed with threaded column one, two threaded column one's other end is all installed with clamping block one, two clamping blocks one's top is bolted with clamping block two, two clamping blocks two's top is all set with push rod, two push rod's one side is bolted with clamping block two, two push rod's one end is all from clamping block two top and is connected clamping block two, this application is placed between the clamping block one and clamping block two through cable, and clamping block one is clamped with clamping block, then is fixed through screw and clamping block one, pushes the push rod and makes the bottom surface of clamping block two and the surface of cable fit, then is embedded in clamping block two through bolt and push rod, reaches the effect of fixing cable and convenient replacement.

[0004] The prior art CN222620663U has many benefits during use, but still has the following problems, the maintenance and timeliness of the junction box are not perfect, the box body and the box cover are usually sealed by sealing pads, but the sealing pads will be damaged due to aging after long-term use, affecting the sealing performance of the junction box, but the staff cannot know the sealing performance of the junction box in time, and the maintenance of the junction box cannot be realized, affecting the stability of the use environment of the connector. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model provides a junction box of electrical connector.

[0006] The technical solution adopted by this utility model to solve its technical problem is a junction box for an electrical connector, including a box body, a sleeve, and a movable rod. A cover plate is screwed to the upper outer wall of the box body. An assembly hole is opened on one side of the upper outer wall of the cover plate. The sleeve is placed inside the assembly hole. A movable hole is opened at the upper end of the inner wall of the sleeve. A movable rod moves inside the movable hole. A piston plate is screwed to the lower outer wall of the movable rod. A limit plate is installed on the upper outer wall of the movable rod. A warning post is installed on the upper outer wall of the limit plate. The limit plate is located at the upper end of the sleeve. A circular array of top posts is installed on the upper outer wall of the piston plate.

[0007] By adopting the above technical solution, the piston plate can be pushed to move inside the sleeve according to the nitrogen pressure data filled inside the cover plate. The piston plate drives the movable rod to move upward, causing the warning post to protrude. When the internal seal of the box is damaged, the spring force pushes the movable rod downward to reset, thus directly sending an abnormal warning signal to the staff, making it easier for the staff to discover and deal with the problem in a timely manner, and greatly improving the safety and reliability of the junction box.

[0008] Specifically, a fixing seat is installed on both outer walls of the box, and a fixing hole is opened inside the fixing seat. A wiring board is installed inside the box.

[0009] By adopting the above technical solution, workers can use external bolts to pass through the fixing holes to securely install the box in the required position, ensuring the stability of the box's position during use. The junction box also provides a stable platform for connecting the inlet, outlet, and wires.

[0010] Specifically, a nut is connected to an inlet end on one side of the housing, and a nut is connected to an outlet end on the other side of the housing opposite to the inlet end.

[0011] By adopting the above technical solution, the nut connection can ensure the stability of the connection between the feed end and the output end and the box body, while the feed end and the output end can restrict the feed and output trajectory.

[0012] Specifically, an air intake pipe is inserted and installed on the upper end of the outer wall of one side of the box, and a quick-connect connector is inserted and installed on the outer wall of the end of the air intake pipe opposite to the box.

[0013] By adopting the technical scheme, the external nitrogen filling pump gas pipeline can be connected with the gas inlet pipeline through the quick connector, so that the filling pump can send nitrogen into the box body through the gas inlet pipeline, when the nitrogen is filled, the gas in the box body is discharged through the sleeve and the exhaust hole, so that the air in the box body can be replaced, the purity of the nitrogen in the box body is ensured, the protection effect of the nitrogen on the box body is ensured, the concentration of oxygen in the box body can be reduced, the risk of fire and explosion is reduced, after the nitrogen replacement is completed, the staff manually pulls the limiting plate, the limiting plate carries the movable rod and the piston plate to move, until the piston plate moves to the inside of the sleeve, the piston plate and the sleeve can ensure the sealing of the box body, then the filling pump continues to fill the gas in the box body, so that the gas pressure in the box body overcomes the spring force, so as to drive the piston plate to be lifted, and the warning column can be lifted.

[0014] Specifically, the sleeve is provided with a fixing plate on one side of the outer wall, the fixing plate is screw-connected to the upper end surface of the cover plate, and a sealing gasket is attached and fixed to the outer wall of the lower end of the fixing plate and in contact with the upper end surface of the cover plate.

[0015] By adopting the technical scheme, the sleeve can ensure the stability of the position outside the box body through the fixing plate, and the sealing gasket can ensure the sealing between the fixing plate and the upper end surface of the box body, so as to prevent the gas from leaking out of the gap between the assembly hole and the sleeve, and effectively ensure the sealing between the sleeve and the cover plate.

[0016] Specifically, the upper end outer wall of the sleeve is provided with a plurality of exhaust holes arranged in a circular array, a sealing ring is attached and fixed to the inner wall of the exhaust hole, the inner diameter of the sealing ring is smaller than the outer diameter of the jacking post, and the sealing ring and the jacking post are in corresponding positions.

[0017] By adopting the technical scheme, the gas in the box body can be discharged through the sleeve and the exhaust hole during the gas replacement process, and the jacking post can be inserted into the inside of the sealing ring after the piston plate is moved by the nitrogen in the box body, so as to block the exhaust hole and prevent foreign matters from entering the exhaust hole.

[0018] Specifically, a spring is arranged outside the movable rod, and the piston plate is elastically connected between the spring and the upper end of the inner wall of the sleeve.

[0019] By adopting the technical scheme, the spring force can ensure the stability of the initial position of the piston plate, when the gas in the box body leaks, the spring force can push the piston plate to move downward and reset, and the warning column approaches the sleeve, so that the staff can observe the position of the warning column to judge the sealing of the box body.

[0020] The utility model discloses the beneficial effect:

[0021] (1) The utility model discloses a junction box of electrical connector can reduce the concentration of oxygen in the box body, reduce the risk of fire and explosion.

[0022] (2) The utility model discloses a junction box of electrical connector, when the sealing property inside the box body breaks down, spring elasticity pushes the movable rod and moves down reset, thereby can visually send abnormal warning signal to staff, and the staff can find and handle the problem in time, greatly improve the security and reliability of junction box use. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model is further illustrated below in connection with the drawings and examples.

[0024] Figure 1 It is the box body structure main position diagram of the utility model;

[0025] Figure 2 It is the cover plate structure exploded view of the utility model;

[0026] Figure 3 It is the sleeve structure enlarged view of the utility model;

[0027] Figure 4 It is the sleeve structure cross section exploded view of the utility model.

[0028] In the drawing: 1, box body;11, fixed seat;12, air inlet pipeline;13, cover plate;14, wire inlet end;15, wire outlet end;16, junction board;17, assembly hole;2, sleeve;21, fixed plate;22, exhaust hole;23, sealing ring;24, movable hole;3, movable rod;31, piston plate;32, top column;33, spring;34, limit plate;35, warning column. DETAILED DESCRIPTION

[0029] In order to make the technical means, creation features, achieve purposes and effects of the utility model easy to understand, the utility model is further illustrated below in connection with specific implementation ways.

[0030] In order to save manpower, improve efficiency, as an embodiment of the utility model, such as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4As shown, the utility model discloses a junction box of electrical connector, including box body 1, sleeve 2 and movable rod 3, the upper end outer wall screw connection of box body 1 has cover plate 13, the upper end outer wall one side of cover plate 13 is equipped with assembly hole 17, and sleeve 2 is placed in assembly hole 17, and the upper end of sleeve 2 inner wall is equipped with movable hole 24, and movable hole 24 is movable with movable rod 3, and the lower end outer wall screw connection of movable rod 3 has piston plate 31, and the upper end outer wall installation of movable rod 3 has stop plate 34, and the upper end outer wall installation of stop plate 34 has warning column 35, and the outer wall of warning column 35 is bonded with reflective sticker, can ensure the eye-catching of warning column 35, and stop plate 34 is located on the upper end of sleeve 2, and the upper end outer wall installation of piston plate 31 has the top column 32 of circular array distribution.

[0031] In use, piston plate 31 can be pushed to move inside sleeve 2 according to the nitrogen gas pressure data filled in cover plate 13, piston plate 31 drives movable rod 3 to move upwards, makes warning column 35 protrude, when the sealing property inside box body 1 is damaged, spring 33 elastic force pushes movable rod 3 to move downwards and resets, thereby can intuitively send abnormal warning signal to staff, is convenient for staff to find and handle problems in time, greatly improves the safety and reliability of junction box use.

[0032] In order to fix the use position, for example, as shown, Figure 1 As shown, the both sides outer wall of box body 1 is equipped with fixed seat 11, and fixed hole is formed in the inside of fixed seat 11, and wiring board 16 is installed in the inside of box body 1.

[0033] In use, staff can pass through fixed hole through external bolt, and box body 1 is stably installed on the required position, can ensure that the use position of box body 1 is stable, and wiring board 16 provides stable platform for the connection of incoming line end 14, outgoing line end 15 and wire.

[0034] In order to electrically connect, for example, as shown, Figure 2 As shown, the outer wall nut of one end of box body 1 is connected with incoming line end 14, and the outer wall nut of one end of box body 1 away from incoming line end 14 is connected with outgoing line end 15.

[0035] In use, nut connection can ensure the stability of the connection between incoming line end and outgoing line end 15 and box body 1, and incoming line end 14 and outgoing line end 15 can limit incoming and outgoing line trajectories.

[0036] In order to fill gas, for example, as shown, Figure 2 As shown, the upper end of one side outer wall of box body 1 is inserted and installed with gas inlet pipeline 12, and the outer wall of one end of gas inlet pipeline 12 away from box body 1 is inserted and installed with quick connector.

[0037] In use, the external nitrogen gas charging pump gas pipeline can be connected with the gas inlet pipeline 12 through the quick connector, so that the gas charging pump can send nitrogen into the box body 1 through the gas inlet pipeline. When the nitrogen is filled, the gas in the box body 1 is discharged through the sleeve 2 and the exhaust hole 22, so that the air in the box body 1 can be replaced, the purity of the nitrogen in the box body 1 is ensured, the protection effect of the nitrogen on the box body 1 is ensured, the concentration of oxygen in the box body 1 is reduced, and the risk of fire and explosion is reduced. After the nitrogen replacement is completed, the staff manually pulls the limiting plate 34, so that the limiting plate 34 carries the movable rod 3 and the piston plate 31 to move until the piston plate 31 moves to the inside of the sleeve 2. The piston plate 31 and the sleeve 2 can ensure the sealing of the box body 1. Then the gas charging pump continues to fill the gas in the box body 1, so that the gas pressure in the box body 1 overcomes the elastic force of the spring 33, thereby driving the piston plate 31 to be lifted, and the warning column 35 can be lifted.

[0038] In order to fix the use position, as shown in Figure 3 , the sleeve 2 is provided with a fixing plate 21 on one side of the outer wall, and the fixing plate 21 is screw-connected to the upper end surface of the cover plate 13. A sealing gasket is adhered and fixed to the outer wall of the lower end of the fixing plate 21, and the sealing gasket is in contact with the upper end surface of the cover plate 13.

[0039] In use, the sleeve 2 can ensure the stability of the position outside the box body 1 through the fixing plate 21, and the sealing gasket can ensure the sealing between the fixing plate 21 and the upper end surface of the box body 1, so as to prevent gas from leaking out of the gap between the assembly hole 17 and the sleeve 2, and effectively ensure the sealing between the sleeve 2 and the cover plate 13.

[0040] In order to exhaust, as shown in Figure 4 , a plurality of exhaust holes 22 are arranged in a circular array on the outer wall of the upper end of the sleeve 2, and a sealing ring 23 is adhered and fixed to the inner wall of each exhaust hole 22. The inner diameter of the sealing ring 23 is smaller than the outer diameter of the top column 32, and the sealing ring 23 and the top column 32 correspond in position.

[0041] In use, the gas in the box body 1 can be discharged through the sleeve 2 and the exhaust hole 22 during the gas replacement process, and the top column 32 can be inserted into the inside of the sealing ring 23 after the piston plate 31 is pushed and moved by the nitrogen in the box body 1, so as to block the exhaust hole 22 and prevent foreign matters from entering the exhaust hole 22.

[0042] In order to maintain the use position, as shown in Figure 4 , a spring 33 is arranged outside the movable rod 3, and the piston plate 31 is elastically connected between the spring 33 and the upper end of the inner wall of the sleeve 2.

[0043] In use, the spring 33 elastic force can ensure the stability of the initial position of the piston plate 31, when the gas in the box body 1 leaks, the spring 33 elastic force can push the piston plate 31 to reset downward, and the warning column 35 is close to the sleeve 2, so that the worker can judge the sealing property of the box body 1 by observing the position of the warning column 35, and since the movable rod 3 is located in the inside of the spring 33, the movable rod 3 can limit the spring 33, and ensure that the axis of the spring 33 is consistent with the movable rod 3.

[0044] In use, the worker uses the external bolt to pass through the fixing hole, and stably installs the box body 1 at the required position, the external cable is connected with the inlet end 14 and the outlet end 15 respectively, and electrical connection is realized through the wiring board 16, then the upper end surface of the box body 1 is shielded through the cover plate 13, and the sealing property of the inside of the box body 1 is maintained.

[0045] The gas pipeline of the external nitrogen gas charging pump is connected with the gas inlet pipeline 12 through the quick connector, the charging pump is started, nitrogen gas is sent into the inside of the box body 1 through the gas inlet pipeline, in the nitrogen gas charging process, the original gas in the inside of the box body 1 is discharged through the sleeve 2 and the gas outlet hole 22 at the upper end of the sleeve 2, the replacement of the air in the inside of the box body 1 is realized, and the purity of the nitrogen gas in the inside of the box body 1 is ensured.

[0046] After the nitrogen gas replacement is completed, the worker manually pulls the limiting plate 34, the limiting plate 34 carries the movable rod 3 and the piston plate 31 to move, until the piston plate 31 moves to the inside of the sleeve 2, then the charging pump continues to charge the gas into the inside of the box body 1, and the gas pressure in the inside of the box body 1 gradually increases. When the gas pressure overcomes the spring 33 elastic force, the piston plate 31 is driven to be lifted upward, the piston plate 31 drives the movable rod 3 to move upward, the warning column 35 is protruded, and the setting of the gas pressure warning is completed.

[0047] When the sealing property of the box body 1 is damaged and gas leakage occurs, the gas pressure in the inside of the box body 1 decreases. At this time, the spring 33 elastic force pushes the piston plate 31 to reset downward, drives the movable rod 3 and the warning column 35 to move downward, and makes the warning column 35 close to the sleeve 2, so that the worker can judge the sealing property of the inside of the box body 1 by observing the position of the warning column 35.

[0048] It should be noted that the utility model is a wiring box of an electrical connector, and the components in the utility model are components known by those skilled in the art, and the structure and principle thereof can be known by those skilled in the art through a technical manual or through a conventional experimental method.

[0049] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A junction box for an electrical connector, characterized in that, The device includes a box body (1), a sleeve (2), and a movable rod (3). The upper outer wall of the box body (1) is screwed to a cover plate (13). An assembly hole (17) is opened on one side of the upper outer wall of the cover plate (13). The sleeve (2) is placed inside the assembly hole (17). An movable hole (24) is opened at the upper end of the inner wall of the sleeve (2). The movable rod (3) moves inside the movable hole (24). A piston plate (31) is screwed to the lower outer wall of the movable rod (3). A limit plate (34) is installed on the upper outer wall of the movable rod (3). A warning post (35) is installed on the upper outer wall of the limit plate (34). The limit plate (34) is located at the upper end of the sleeve (2). A circular array of top posts (32) is installed on the upper outer wall of the piston plate (31).

2. The junction box for an electrical connector according to claim 1, characterized in that, The outer walls on both sides of the box (1) are equipped with fixing seats (11), the fixing seats (11) have fixing holes inside, and the box (1) is equipped with a wiring board (16).

3. The junction box for an electrical connector according to claim 1, characterized in that, The box (1) has an inlet end (14) connected to the outer wall nut at one end, and an outlet end (15) connected to the outer wall nut at the other end of the box (1) away from the inlet end (14).

4. The junction box for an electrical connector according to claim 1, characterized in that, An air intake pipe (12) is inserted and installed on the upper end of the outer wall of one side of the box (1), and a quick-connect connector is inserted and installed on the outer wall of the end of the air intake pipe (12) away from the box (1).

5. The junction box for an electrical connector according to claim 1, characterized in that, A fixing plate (21) is installed on one side of the outer wall of the sleeve (2). The fixing plate (21) is screwed to the upper end face of the cover plate (13). A sealing gasket is glued and fixed to the lower outer wall of the fixing plate (21), and the sealing gasket is in contact with the upper end face of the cover plate (13).

6. The junction box for an electrical connector according to claim 1, characterized in that, The upper outer wall of the sleeve (2) is provided with a circular array of exhaust holes (22). A sealing ring (23) is bonded and fixed to the inner wall of the exhaust hole (22). The inner diameter of the sealing ring (23) is smaller than the outer diameter of the top post (32). The sealing ring (23) and the top post (32) are positioned correspondingly.

7. The junction box for an electrical connector according to claim 1, characterized in that, A spring (33) is provided on the outside of the movable rod (3), and the piston plate (31) is elastically connected to the upper end of the inner wall of the sleeve (2) through the spring (33).

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