Distribution box capable of being quickly connected with zero wire and ground wire

Abstract

The utility model relates to the field of distribution boxes, in particular to a distribution box capable of quickly connecting a zero wire and a ground wire. In the wire installation process, workers cannot guarantee the strength sometimes, too large force may cause damage or deformation or even breakage of a wire, so that the wiring quality is reduced, the risk of electrical faults is increased, the wire may not be fully clamped due to insufficient force, poor contact is caused, and potential safety hazards such as heating, sparks and the like at an electrical connection position are caused. Comprising a main box body, a fixed transverse plate is fixedly connected into the main box body, two clamping mechanisms are arranged on the side face of the fixed transverse plate, each clamping mechanism comprises a mounting base, L-shaped plates are fixedly connected to the two sides of each mounting base, through holes are formed in the L-shaped plates, and bolts are rotationally connected into the through holes formed in the L-shaped plates. An electric wire can be clamped through the clamping mechanism, and an arc-shaped groove formed in the bottom of a horizontal sliding groove in the mounting base is matched with a corresponding arc-shaped protrusion formed in the lower end of a clamping block.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of distribution box especially, relates to a distribution box of quick connection zero ground wire. BACKGROUND

[0002] As a kind of electrical equipment, distribution box provides the convenient and safe working environment for the distribution and control of electric power, distribution box has the characteristics such as small volume, easy installation, not restricted by site, simultaneously, distribution box can reasonably distribute electric energy, facilitate the opening and closing operation of circuit, and have higher safety protection performance, in the use process of traditional distribution box, tool is needed to be clamped to the wire of access by bolt, in the process of wire installation, worker sometimes cannot guarantee the size of force, too much force can lead to wire damage or wire deformation, even fracture, thereby reducing the quality of wiring, increase the risk of electrical failure, insufficient force can make wire possibly not be clamped sufficiently, cause poor contact, cause the security risks such as heating, spark of electrical connection. CONTENT OF UTILITY MODEL

[0003] (1) technical problem to be solved

[0004] The utility model to overcome in the process of wire installation, worker sometimes cannot guarantee the size of force, too much force can lead to wire damage or wire deformation, even fracture, thereby reducing the quality of wiring, increase the risk of electrical failure, insufficient force can make wire possibly not be clamped sufficiently, cause poor contact, cause the security risks such as heating, spark of electrical connection, technical problem to be solved by the utility model is to provide a distribution box of quick connection zero ground wire.

[0005] (2) technical scheme

[0006] In order to solve the above technical problems, the utility model provides a distribution box of zero ground wire can be connected fast, including main box, fixedly connected with fixed transverse plate in the main box body, two clamping mechanisms are equipped on the fixed transverse plate side, the clamping mechanism includes the mounting seat, both sides of mounting seat are fixedly connected with L shaped board, the through hole is seted up in the L shaped board inside, the bolt is rotatably connected in the through hole that the L shaped board inside sets up, the threaded hole is seted up on the fixed transverse plate side, the bolt is screw connection in the threaded hole that the fixed transverse plate side sets up, the rotating block is rotatably connected on the mounting seat upper end, the limit tooth is equipped on the rotating block lower end outside, the screw rod is fixedly connected with the rotating block lower end, the clamping block is screw connection on the screw rod lower end outside, the vertical slide groove is seted up in the mounting seat inside, the through hole that is communicated with vertical slide groove is seted up on the mounting seat upper end, the screw rod is rotatably connected in the through hole that is communicated with vertical slide groove on the mounting seat upper end, the clamping block is slidably connected in the vertical slide groove that the mounting seat inside sets up, the square horizontal slide groove is seted up in the mounting seat middle part, and the guide plate is fixedly connected with horizontal slide groove left side and the mounting seat inside.

[0007] Preferably, the rotating block left side is equipped with limit mechanism, the limit mechanism includes fixed block, the fixed block is fixedly connected on the mounting seat upper end, the slide groove is seted up on the fixed block lower end, the end of the slide groove that the fixed block lower end sets up is fixedly connected with spring one, the other end of spring one is fixedly connected with limit block, the limit block is slidably connected in the slide groove that the fixed block lower end sets up, the limit tooth is equipped on the limit block right end, the limit tooth of limit block right end is engaged with the limit tooth of rotating block lower end outside, the pull column is fixedly connected with the both sides of limit block, the through hole that is communicated with the slide groove of fixed block lower end is seted up on the both sides of fixed block, the pull column is slidably connected in the through hole of both sides of fixed block, the limit tooth is equipped on the limit block upper end.

[0008] Preferably, the fixed block inside is seted up with vertical slide groove, the vertical slide groove both sides that the fixed block inside sets up are seted up with notch, the through hole that is communicated with vertical slide groove is seted up on the fixed block upper end, the pull rod one is slidably connected in the through hole that is communicated with vertical slide groove on the fixed block upper end, the sliding block is fixedly connected with the pull rod one lower end, the spring two is sleeved with the pull rod one outside, the spring two upper end is fixedly connected with the fixed block, the spring two lower end is fixedly connected with the sliding block, the limit plate is fixedly connected with the both sides of sliding block, the limit plate is slidably connected in the notch both sides that the vertical slide groove of fixed block inside sets up, the limit tooth is equipped on the sliding block lower side, the limit tooth of sliding block lower side is opposite with the limit tooth inclined surface of limit block upper end.

[0009] Preferably, the main box upper and lower sides are fixedly connected with supports, the inner side of the support is fixedly connected with a rotating shaft, the support is rotatably connected with a cover through the rotating shaft, the side of the main box is provided with a plurality of wire inlet holes, the left and right sides of the main box are provided with notches, and the notches on the left and right sides of the main box are fixedly connected with ventilation filter plates.

[0010] Preferably, the right side of the main box is provided with a limiting lock, the limiting lock comprises an arc block, the arc block is fixedly connected to the right side of the main box, a lock block is slidably connected to the inner notch of the arc block, a through hole is formed in the inner lock block, the left side of the lock block is fixedly connected with the cover, a sliding groove is formed in the inner arc block, and a through hole communicated with the sliding groove is formed in the right side of the arc block.

[0011] Preferably, a wedge block is slidably connected in the sliding groove formed in the inner arc block, the wedge block is slidably connected in the through hole formed in the inner lock block, a spring three is fixedly connected to the right end of the wedge block, the other end of the spring three is fixedly connected with the arc block, a pull rod two is fixedly connected to the right end of the wedge block, the spring three is sleeved outside the pull rod two, and the pull rod two is slidably connected in the through hole on the right side of the arc block.

[0012] (3) beneficial effects

[0013] 1. The clamping mechanism can clamp the electric wire, the cooperation of the arc-shaped groove formed in the bottom of the horizontal sliding groove in the mounting seat and the corresponding arc-shaped protrusion formed in the lower end of the clamping block can clamp and limit the electric wire more effectively, and the arc-shaped groove and the clamping block are designed in a circular arc shape, so that the damage to the electric wire during clamping is greatly reduced.

[0014] 2. The cooperation of the clamping mechanism and the limiting mechanism can prevent the clamping block from loosening due to external force and reduce the restraint on the electric wire, further improve the stability of the clamping block on the electric wire, and further improve the feasibility of the distribution box with quickly connected zero ground wire. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a structure schematic view of the inner part of the main box of the utility model;

[0017] Figure 3 It is a structure schematic view of the clamping mechanism of the utility model;

[0018] Figure 4 It is a sectional view of the mounting seat of the utility model;

[0019] Figure 5 It is a sectional view of the side of the fixing block.

[0020] Figure 6 Structure diagram of the limiting mechanism of the utility model;

[0021] Figure 7 Structure diagram of the limiting lock of the utility model.

[0022] The signs in the drawings are: 1-main box body, 101-cover body, 102-wire inlet hole, 103-fixed horizontal plate, 104-support, 105-ventilation filter plate, 2-clamping mechanism, 201-mounting seat, 202-L-shaped plate, 203-bolt, 204-guide plate, 205-rotating block, 206-screw rod, 207-clamping block, 3-limiting mechanism, 301-fixed block, 302-limiting block, 303-pull column, 304-spring one, 305-sliding block, 306-limiting plate, 307-pull rod one, 308-spring two, 4-limiting lock, 401-bow block, 402-lock block, 403-pull rod two, 404-spring three, 405-wedge block. DETAILED DESCRIPTION

[0023] The utility model will be further explained in connection with the drawings and examples.

[0024] Example 1

[0025] A power distribution box capable of quickly connecting zero ground wire, like Figures 1-4As shown, including the main box 1, the main box 1 is fixedly connected inside the fixed transverse plate 103, the side of the fixed transverse plate 103 is provided with two clamping mechanisms 2 for clamping the wire, one of which is used to connect the zero line, and the other is used to connect the ground wire, the clamping mechanism 2 includes a mounting seat 201, the mounting seat 201 is fixedly connected with an L-shaped plate 202 on both sides, the L-shaped plate 202 is provided with a through hole inside, the through hole inside the L-shaped plate 202 is rotatably connected with a bolt 203, the side of the fixed transverse plate 103 is provided with a threaded hole, the bolt 203 is threadedly connected in the threaded hole provided in the side of the fixed transverse plate 103, the mounting seat 201 is rotatably connected with a rotating block 205 at the upper end, the rotating block 205 is provided with an insulating anti-skid sleeve outside, the lower end of the rotating block 205 is provided with a limiting tooth outside, the shape of the tooth is a right triangle, the rotating block 205 is fixedly connected with a screw rod 206 at the lower end, the screw rod 206 is threadedly connected with a clamping block 207 outside at the lower end, the bottom end of the clamping block 207 is arc-shaped, the mounting seat 201 is provided with a vertical sliding slot inside, the bottom of the vertical sliding slot is arc-shaped, the wire can be effectively limited and clamped by the cooperation of the clamping block 207 and the bottom of the vertical sliding slot inside the mounting seat 201, which greatly reduces the damage to the wire when the clamping block 207 clamps the wire, the mounting seat 201 is provided with a through hole at the upper end, the through hole is in communication with the vertical sliding slot, the screw rod 206 is rotatably connected in the through hole at the upper end of the mounting seat 201, the clamping block 207 is slidably connected in the vertical sliding slot inside the mounting seat 201, the mounting seat 201 is provided with a square horizontal sliding slot in the middle, the horizontal sliding slot is fixedly connected with a guide plate 204 inside the mounting seat 201 on the left side, the rotating block 205 can drive the clamping block 207 to clamp the wire by rotating clockwise through the screw rod 206, and the rotating block 205 can drive the clamping block 207 to relax the wire by rotating counterclockwise through the screw rod 206.

[0026] As Figures 2-6As shown, the left side of the rotating block 205 is provided with a limiting mechanism 3 for limiting the rotating block 205, the limiting mechanism 3 comprises a fixed block 301, the fixed block 301 is fixedly connected to the upper end of the mounting seat 201, a sliding groove is formed in the lower end of the fixed block 301, a spring 304 is fixedly connected to the end of the sliding groove of the lower end of the fixed block 301, the other end of the spring 304 is fixedly connected to a limiting block 302, the limiting block 302 is slidingly connected in the sliding groove formed in the lower end of the fixed block 301, the right end of the limiting block 302 is provided with a limiting tooth, the shape of the limiting tooth is also a right triangle, the limiting tooth at the right end of the limiting block 302 is engaged with the limiting tooth outside the lower end of the rotating block 205, when the rotating block 205 is rotated clockwise, the tooth at the right end of the limiting block 302 is in sliding contact with the inclined surface of the tooth outside the rotating block 205, the tooth at the right end of the limiting block 302 is in abutment with the right angle surface of the tooth outside the rotating block 205, so that the rotating block 205 can only continue to rotate clockwise, the limiting block 302 limits the rotating block 205 from rotating counterclockwise through the limiting tooth at the left side, the limiting block 302 is fixedly connected with a pull column 303 on both sides, the fixed block 301 is provided with through holes on both sides which are communicated with the sliding groove at the lower end of the fixed block 301, the pull column 303 is slidingly connected in the through holes on both sides of the fixed block 301, the limiting block 302 is provided with a limiting tooth at the upper end, the pull column 303 is pulled to the right side, the pull column 303 extrudes the spring 304 through the limiting block 302, so that the limiting tooth at the left side of the limiting block 302 is disengaged from the limiting tooth on the side of the rotating block 205, and the rotating block 205 loses the limiting and can rotate counterclockwise.

[0027] As shown in Figure 5 , Figure 6 , a vertical sliding groove is formed in the inside of the fixed block 301, notches are formed in the both sides of the vertical sliding groove in the inside of the fixed block 301, a through hole is formed in the upper end of the fixed block 301 which is communicated with the vertical sliding groove, a pull rod 307 is slidingly connected in the through hole in the upper end of the fixed block 301 which is communicated with the vertical sliding groove, a sliding block 305 is fixedly connected to the lower end of the pull rod 307, a spring 308 is sleeved outside the pull rod 307, the upper end of the spring 308 is fixedly connected with the fixed block 301, the lower end of the spring 308 is fixedly connected with the sliding block 305, a limiting plate 306 is fixedly connected to the both sides of the sliding block 305, the limiting plate 306 is slidingly connected in the notches formed in the both sides of the vertical sliding groove in the inside of the fixed block 301, a limiting tooth is provided on the lower side of the sliding block 305, the limiting tooth on the lower side of the sliding block 305 is in abutment with the inclined surface of the limiting tooth at the upper end of the limiting block 302, the spring 308 continuously releases the elastic potential energy to push the sliding block 305 downward, when the pull column 303 is pulled to the left side, the pull column 303 drives the limiting block 302 to move to the left side, the limiting block 302 is engaged with the limiting tooth on the lower side of the sliding block 305 through the limiting tooth at the upper side, the sliding block 305 limits the limiting block 302 through the limiting tooth.

[0028] As shown in Figure 1 , Figure 2As shown, the main box 1 upper and lower sides are fixedly connected with the support 104, the support 104 inner side is fixedly connected with the rotating shaft, the support 104 is rotatably connected with the cover body 101 through the rotating shaft, the main box 1 three sides are provided with a plurality of wire holes 102, the main box 1 left and right sides are provided with notches, the notches of the main box 1 left and right sides are fixedly connected with the ventilation filter plate 105 for ventilating the inside of the main box 1.

[0029] As shown in the drawings, Figure 1 , Figure 2 , Figure 7 As shown, the main box 1 right side is provided with a limiting lock 4 for limiting the cover body 101, the limiting lock 4 comprises an arc block 401, the arc block 401 is fixedly connected to the right side of the main box 1, the arc block 401 is slidably connected with a lock block 402 in the inner notch, the lock block 402 is provided with a through hole in the inner side, the lock block 402 is fixedly connected with the cover body 101 on the left side, the arc block 401 is provided with a sliding groove in the inner side, and the arc block 401 is provided with a through hole in communication with the sliding groove on the right side.

[0030] As shown in the drawings, Figure 7 The sliding groove in the arc block 401 is slidably connected with a wedge block 405, the end side of the wedge block 405 is inclined, the wedge block 405 is slidably connected in the through hole in the inner side of the lock block 402, the right end of the wedge block 405 is fixedly connected with a spring three 404, the other end of the spring three 404 is fixedly connected with the arc block 401, the right end of the wedge block 405 is fixedly connected with a pull rod two 403, the spring three 404 is sleeved outside the pull rod two 403, the pull rod two 403 is slidably connected in the through hole on the right side of the arc block 401, the spring three 404 continuously releases the elastic potential to push the wedge block 405 into the through hole in the inner side of the lock block 402, the wedge block 405 locks the cover body 101 on the side of the main box 1 through the lock block 402, and the cover body 101 can be opened by pulling the pull rod two 403 to lose the limiting of the lock block 402.

[0031] Working principle: the cover body 101 is opened by the limiting lock 4, the pull rod two 403 is pulled to the left, the pull rod two 403 drives the wedge block 405 to move to the right, the wedge block 405 extrudes the spring three 404, the wedge block 405 loses the limiting of the lock block 402, and the cover body 101 is pulled outwards to be opened, the pulling force of the pull rod two 403 is released, the spring three 404 releases the elastic potential through the wedge block 405 to reset the pull rod two 403.

[0032] When installing the electric wire, the electric wire is put into the main box 1 through the wire inlet hole 102 on the lower side of the main box 1, further, the electric wire is placed in the horizontal sliding slot in the installation seat 201 through the guide plate 204, then the electric wire is clamped by the clamping mechanism 2, the rotating block 205 is rotated clockwise, the rotating block 205 pushes the clamping block 207 downward through the screw rod 206, the clamping block 207 clamps the electric wire downward, the meshing of the teeth on the side surface of the rotating block 205 and the teeth on the side surface of the limiting block 302 makes the limiting block 302 move left and right repeatedly, the limiting block 302 limits the rotating block 205 through the limiting teeth on the side surface, preventing the rotating block 205 from rotating reversely due to external force, thereby reducing the clamping force of the clamping mechanism 2 on the electric wire.

[0033] When dismounting the electric wire, the limiting mechanism 3 is released from limiting the clamping mechanism 2, the electric wire is taken out, the pull column 303 is pulled rightward, the pull column 303 drives the limiting teeth on the side surface to separate from limiting the rotating block 205, at the same time, the limiting block 302 moves leftward to compress the spring one 304, the limiting block 302 meshes with the limiting teeth on the lower end of the sliding block 305 through the limiting teeth on the upper side, the spring two 308 continuously releases the elastic potential energy to push the sliding block 305 downward, the sliding block 305 limits the limiting block 302 through the limiting teeth on the lower end, at this time, the rotating block 205 is rotated counterclockwise, the rotating block 205 pulls the clamping block 207 upward through the screw rod 206, the clamping block 207 loosens the clamping on the electric wire, further, the electric wire is taken out, then the pull rod one 307 is pulled upward, the pull rod one 307 drives the sliding block 305 to move upward, the sliding block 305 compresses the spring two 308 upward, the sliding block 305 loses the limiting on the limiting block 302 through the limiting teeth on the lower side, the spring one 304 releases the elastic potential energy to drive the limiting block 302 to reset.

[0034] After the installation and dismounting of the electric wire are completed, the cover 101 is closed, the cover 101 drives the end of the lock block 402 to extrude the wedge block 405 rightward through the inclined surface, the wedge block 405 extrudes the spring three 404 outward, when the wedge block 405 slides into the sliding slot in the lock block 402, the spring three 404 releases the potential energy to push the wedge block 405 into the sliding slot in the lock block 402, the cooperation of the wedge block 405 and the lock block 402 limits and locks the cover 101.

[0035] The above-described embodiments only express the preferred embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application. It should be pointed out that, for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications, improvements and substitutions can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A distribution box capable of quickly connecting a neutral and ground wire, characterized in that, The system includes a main housing (1), inside which a fixed horizontal plate (103) is fixedly connected. Two clamping mechanisms (2) are provided on the side of the fixed horizontal plate (103). Each clamping mechanism (2) includes a mounting base (201). L-shaped plates (202) are fixedly connected to both sides of the mounting base (201). Through holes are provided inside the L-shaped plates (202), and bolts (203) are rotatably connected to the through holes. Threaded holes are provided on the side of the fixed horizontal plate (103), and the bolts (203) are threaded into the threaded holes on the side of the fixed horizontal plate (103). A rotating block (205) is rotatably connected to the upper end of the mounting base (201). 05) A limiting tooth is provided on the outer side of the lower end. A screw (206) is fixedly connected to the lower end face of the rotating block (205). A clamping block (207) is threadedly connected to the outer side of the lower end of the screw (206). A vertical slide groove is provided inside the mounting base (201). A through hole communicating with the vertical slide groove is provided at the upper end of the mounting base (201). The screw (206) is rotatably connected in the through hole communicating with the vertical slide groove at the upper end of the mounting base (201). The clamping block (207) is slidably connected in the vertical slide groove provided inside the mounting base (201). A square horizontal slide groove is provided in the middle of the mounting base (201). A guide plate (204) is fixedly connected to the left side of the horizontal slide groove and inside the mounting base (201).

2. A distribution box capable of quickly connecting to a neutral and ground wire according to claim 1, characterized in that, The rotating block (205) is provided with a limiting mechanism (3) on the left side. The limiting mechanism (3) includes a fixing block (301). The fixing block (301) is fixedly connected to the upper end of the mounting base (201). A sliding groove is provided at the lower end of the fixing block (301). A spring (304) is fixedly connected to the end of the sliding groove at the lower end of the fixing block (301). A limiting block (302) is fixedly connected to the other end of the spring (304). The limiting block (302) is slidably connected to the lower end of the fixing block (301). Within the groove, the right end of the limiting block (302) is provided with limiting teeth, which mesh with the limiting teeth on the lower outer side of the rotating block (205). Pull posts (303) are fixedly connected to both sides of the limiting block (302). Through holes communicating with the groove at the lower end of the fixed block (301) are opened on both sides of the fixed block (301). The pull posts (303) are slidably connected in the through holes on both sides of the fixed block (301). The upper end of the limiting block (302) is provided with limiting teeth.

3. A distribution box capable of quickly connecting to a neutral and ground wire according to claim 2, characterized in that, The fixing block (301) has a vertical sliding groove inside, and notches are opened on both sides of the vertical sliding groove inside the fixing block (301). The upper end of the fixing block (301) has a through hole communicating with the vertical sliding groove. A pull rod (307) is slidably connected in the through hole communicating with the vertical sliding groove at the upper end of the fixing block (301). A sliding block (305) is fixedly connected to the lower end of the pull rod (307). A spring (308) is sleeved on the outside of the pull rod (307). The upper end is fixedly connected to the fixed block (301), the lower end of the second spring (308) is fixedly connected to the sliding block (305), the two sides of the sliding block (305) are fixedly connected to the limiting plate (306), the limiting plate (306) is slidably connected to the notch opened on both sides of the vertical sliding groove inside the fixed block (301), the lower side of the sliding block (305) is provided with limiting teeth, and the limiting teeth on the lower side of the sliding block (305) abut against the inclined surface of the limiting teeth at the upper end of the limiting block (302).

4. A distribution box capable of quickly connecting to a neutral and ground wire according to claim 3, characterized in that, The main housing (1) is fixedly connected to the upper and lower sides with supports (104), and a rotating shaft is fixedly connected to the inner side of the supports (104). The supports (104) are rotatably connected to the cover (101) through the rotating shaft. The main housing (1) has multiple inlet holes (102) on its side. The main housing (1) has notches on its left and right sides. Ventilation filter plates (105) are fixedly connected to the notches on the left and right sides of the main housing (1).

5. A distribution box capable of quickly connecting a neutral and ground wire according to claim 4, characterized in that, The right side of the main box (1) is provided with a limit lock (4). The limit lock (4) includes an arc-shaped block (401). The arc-shaped block (401) is fixedly connected to the right side of the main box (1). The arc-shaped block (401) has a notch inside which a lock block (402) is slidably connected. The lock block (402) has a through hole inside. The left side of the lock block (402) is fixedly connected to the cover (101). The arc-shaped block (401) has a sliding groove inside. The right side of the arc-shaped block (401) has a through hole communicating with the sliding groove.

6. A distribution box capable of quickly connecting a neutral and ground wire according to claim 5, characterized in that, A wedge (405) is slidably connected in a groove inside the bow-shaped block (401). The wedge (405) is slidably connected in a through hole inside the lock block (402). A spring (404) is fixedly connected to the right end of the wedge (405). The other end of the spring (404) is fixedly connected to the bow-shaped block (401). A pull rod (403) is fixedly connected to the right end of the wedge (405). The spring (404) is sleeved on the outside of the pull rod (403). The pull rod (403) is slidably connected in a through hole on the right side of the bow-shaped block (401).

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