CN113036624B

CN113036624B - Distribution box with cable clamping mechanism

Info

Publication number: CN113036624B
Application number: CN202110229416.0A
Authority: CN
Inventors: 闻杨根
Original assignee: Shandong Wansheng Electric Co ltd
Current assignee: Shandong Wansheng Electric Co.,Ltd.
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2022-04-05
Anticipated expiration: 2041-03-02
Also published as: CN113036624A

Abstract

The invention discloses a distribution box with a cable clamping mechanism, which comprises a display box, wherein the bottom end of the display box is fixedly connected with an opening and closing mechanism which is in the same vertical plane with the side wall of the display box and is in a 'return' type structure, the side wall of the opening and closing mechanism is positioned at the bottom end of the display box and is fixedly connected with a cabinet body, the distribution box with the cable clamping mechanism is characterized in that a clamping slide plate is arranged, a clamping button drives a clamping control rod to move in the clamping plate, the clamping control rod drives a pushing block to slide along the inner wall of the clamping plate, the pushing block drives a connecting rod to move, the connecting rod drives a clamping slide plate to slide along the inner wall of the clamping plate through a clamping spring, the sliding length of the clamping slide plate is equal to the length of the connecting rod, the central axis of the pushing block, the middle points of two groups of connecting rods and the central axis of the clamping groove are coincided, and the clamping slide plate and the clamping groove move relatively, the clamping operation of the cable is realized.

Description

Distribution box with cable clamping mechanism

Technical Field

The invention relates to the technical field of distribution boxes, in particular to a distribution box with a cable clamping mechanism.

Background

The distribution box refers to a box in which electric appliances and their lines are placed for distributing electric power energy. Collectively referred to as a power distribution center. They are installed centrally at a fixed site and distribute power to subordinate distribution equipment at different sites. However, the problem that the existing distribution box cannot be used for clamping and operating cables occurs, the cables are messy and not attractive, the efficiency is low when the distribution box is maintained and detected, and the requirements of people cannot be met.

Disclosure of Invention

The invention aims to provide a distribution box with a cable clamping mechanism, which is used for solving the problem that the cable clamping operation cannot be carried out in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a distribution box with a cable clamping mechanism comprises a display box, wherein the bottom end of the display box is fixedly connected with an opening and closing mechanism which is in the same vertical plane with the side wall of the display box and is in a 'return' type structure, the side wall of the opening and closing mechanism is positioned at the bottom end of the display box and is fixedly connected with a cabinet body, the upper end and the lower end of the inner wall at two sides of the cabinet body are fixedly connected with two groups of sawtooth guide rails symmetrical to the central axis of the cabinet body, sawteeth of the two groups of sawtooth guide rails are oppositely arranged, four groups of self-locking mechanisms which are in sliding connection with the outer walls of the sawtooth guide rails and are meshed with the inner walls of the sawtooth guide rails are distributed on the outer walls of the two groups of sawtooth guide rails from top to bottom, so that the self-locking mechanisms are fixed on the outer walls of the sawtooth guide rails when moving freely, one sides, opposite to the two groups of the self-locking mechanisms, are respectively and fixedly connected with a mounting plate and a clamping plate which are parallel to the transverse central axis of the self-locking mechanisms, the grip block is located the front side of mounting plate just the upper surface of grip block with the lower surface of mounting plate is at same horizontal plane, the mounting plate is kept away from to the grip block one end equidistant embedded four group's centre gripping control levers, centre gripping control lever keeps away from grip block one end fixedly connected with centre gripping button, the centre gripping control lever is kept away from the one end of centre gripping button and is located the inside fixedly connected with of grip block and promotes the piece, the one end fixedly connected with that promotes the piece cup joints the centre gripping control spring in centre gripping control lever outer wall, promote the piece other end connect soon have two sets ofly about promote the symmetrical connecting rod of piece, two sets of connecting rod is kept away from promote the one end of piece connect soon with grip block sliding connection's centre gripping slide, so that connecting rod promotes the centre gripping slide is followed the inner wall of grip block slides, two sets of centre gripping slide one side that the looks back to the back of the body with be provided with between the grip block with the centre gripping slide direction of motion is flat mutually And one side of each group of clamping sliding plates, which is opposite to each other, is provided with a clamping groove fixedly connected with the inner wall of the clamping plate.

Preferably, the two groups of saw-tooth guide rails are symmetrical with respect to the placing plate, the length of the placing plate is equal to that of the clamping plate, and the central axis of the placing plate is parallel to that of the clamping plate.

Preferably, the clamping slide plate forms a sliding structure through the connecting rods and the clamping grooves, the sliding length of the clamping slide plate is equal to the length of the connecting rods, and the central axis of the pushing block, the middle points of the two groups of connecting rods and the central axis of the clamping grooves coincide with each other.

Preferably, the opening and closing mechanism comprises a servo motor, a rotary rod, a support rod, a connecting rod, a sliding slider, a limiting rod, a first movable door, a connecting plate, a sliding roller, a rolling guide rail and a second movable door, the inner wall of the opening and closing mechanism is fixedly connected with the servo motor, the output end of the servo motor is provided with the rotary rod, the two ends of the rotary rod are respectively screwed with the support rod, one end of the support rod, far away from the rotary rod, is screwed with the connecting rod which is in sliding connection with the inner wall of the opening and closing mechanism, one end of the connecting rod, far away from the inner wall of the opening and closing mechanism, is fixedly connected with the sliding slider, the limiting rod penetrates through the inside of the sliding slider, the bottom end of the sliding slider is fixedly connected with the first movable door, the middle of the top end of the first movable door is screwed with the connecting plate, the middle of the top end of the connecting plate is screwed with the sliding roller, and the outer wall of the sliding roller is slidably connected with the rolling guide rail which is fixedly connected with the opening and closing mechanism, and one end of the connecting plate, which is far away from the first movable door, is screwed with the second movable door.

Preferably, the central axis of the servo motor coincides with the midpoint of the rotating rod, two sets of rolling guide rails are arranged, and the two sets of rolling guide rails are symmetrical with respect to the servo motor.

Preferably, the bracing piece is provided with two sets ofly, and two sets of bracing pieces positions are central symmetry about the mid point of rotary rod and distribute, the connecting rod passes through to constitute sliding structure between bracing piece and rotary rod and the gag lever post, and the sum of the length of the slip length of connecting rod and the length of the bracing piece and half length of rotary rod equals.

Preferably, the self-locking mechanism comprises a self-locking button, a self-locking control rod, a self-locking spring, a self-locking telescopic rod, a self-locking control inclined block, a lifting inclined block, a lifting connecting column, a lifting plate and a compression spring, the self-locking button is arranged outside the self-locking mechanism, one end of the self-locking button extends to the self-locking control rod fixedly connected inside the self-locking mechanism, the self-locking spring is sleeved inside the self-locking mechanism outside the self-locking control rod, the self-locking spring is fixedly connected with the self-locking telescopic rod in sliding connection with the inner wall of the self-locking mechanism at the end far away from the self-locking button, the self-locking control inclined block is fixedly connected at the top end of the self-locking telescopic rod, the lifting block in sliding connection with the self-locking mechanism is abutted to the top end of the self-locking control inclined block, the lifting inclined block is arranged at the connecting part of the lifting block and the self-locking control inclined block, the lifting connecting column is fixedly connected to the top end of the lifting connecting column, and the top fixedly connected with of lift spliced pole and self-locking mechanism inner wall sliding connection's lifter plate, the top of lifter plate and self-locking mechanism inner wall fixed connection's compression spring, one side that compression spring was kept away from to the lifter plate has connect soon to extend to the flexible post with sawtooth guide rail engaged with.

Preferably, the lifting block forms a lifting structure between the lifting inclined block and the self-locking control inclined block and the self-locking mechanism, the lifting height of the lifting block is equal to the height of the lifting inclined block, the inclination angle of the lifting inclined block is 45 degrees, the inclination height of the lifting inclined block is 30 degrees, and the height of the lifting inclined block is equal to the height of the lifting inclined block.

Preferably, the telescopic columns are provided with two groups, the position relations of the two groups of telescopic columns are symmetrical about the lifting plate, the telescopic columns form a telescopic structure through the lifting plate and the self-locking mechanism, and the telescopic length of the telescopic columns is equal to the tooth height of the sawtooth guide rail.

Compared with the prior art, the invention has the beneficial effects that: according to the distribution box with the cable clamping mechanism, the sliding sliders are arranged, in the opening and closing mechanism, the servo motor works to drive the rotating rod to rotate, the rotating rod drives the connecting rod to move through the supporting rod, the two groups of supporting rods are arranged, the sliding length of the connecting rod is equal to the sum of the length of the supporting rod and the half length of the rotating rod, the connecting rod can conveniently and synchronously drive the two groups of sliding sliders to move along the limiting rod, the sliding sliders drive the first movable door to move, the first movable door moves to drive the sliding rollers to move along the rolling guide rail through the connecting plate, and the rolling guide rail is provided with two groups, so that stable automatic opening and closing operation of the first movable door is realized; by arranging the telescopic columns, in the self-locking mechanism, the compression springs work to drive the lifting plates to move, the lifting plates move to drive the telescopic columns to be meshed with the sawtooth guide rails, two groups of telescopic columns are arranged, and the telescopic length of each telescopic column is equal to the tooth height of the sawtooth guide rail, so that the self-locking mechanism is fixed; by arranging the self-locking control inclined block, when the self-locking mechanism slides along the sawtooth guide rail, the self-locking button drives the self-locking control rod to move, the self-locking control rod drives the self-locking telescopic rod to move, the self-locking telescopic rod is abutted with the lifting inclined block through the self-locking control inclined block to drive the lifting inclined block to move, the inclination angle of the lifting inclined block is 45 degrees, the inclination height of the lifting inclined block is 30 degrees, the height of the lifting inclined block is equal to that of the lifting inclined block, and the lifting block drives the lifting plate to move through the lifting connecting column, so that the self-locking operation of the self-locking mechanism is realized; through setting up the centre gripping slide, in the grip block, the centre gripping button drives the motion of centre gripping control lever, the centre gripping control lever drives and promotes the piece and slides along the grip block inner wall, it drives the motion of connecting rod to promote the piece, it drives the centre gripping slide through the centre gripping spring and slides along the grip block inner wall to connect the connecting rod, and the slip length of centre gripping slide equals with the length of connecting rod, and promote the axis of piece, the mid point of two sets of connecting rods and the axis of centre gripping recess coincide mutually, through the relative motion of centre gripping slide and centre gripping recess, realize the centre gripping operation to the cable.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the opening and closing mechanism of the present invention;

FIG. 3 is a schematic view of the internal structure of the opening and closing mechanism of the present invention;

FIG. 4 is a schematic view of the internal structure of the cabinet of the present invention;

FIG. 5 is a schematic view of a connection structure of the self-locking mechanism, the setting plate and the clamping plate according to the present invention;

FIG. 6 is a schematic cross-sectional three-dimensional structure of the self-locking mechanism of the present invention;

FIG. 7 is a front sectional structural view of the self-locking mechanism of the present invention;

FIG. 8 is a side cross-sectional structural view of the self-locking mechanism of the present invention;

FIG. 9 is a schematic diagram of the internal three-dimensional structure of the clamping plate of the present invention.

In the figure: 1. a display box; 2. an opening and closing mechanism; 201. a servo motor; 202. rotating the rod; 203. a support bar; 204. a connecting rod; 205. a sliding block; 206. a limiting rod; 207. a first movable door; 208. a connecting plate; 209. a sliding roller; 210. a rolling guide rail; 211. a second movable door; 3. a cabinet body; 4. a saw-tooth guide rail; 5. a self-locking mechanism; 501. a self-locking button; 502. a self-locking control rod; 503. a self-locking spring; 504. self-locking telescopic rods; 505. a self-locking control inclined block; 506. a lifting block; 507. a lifting inclined block; 508. a lifting connecting column; 509. a lifting plate; 510. a compression spring; 511. a telescopic column; 6. placing a plate; 7. a clamping plate; 8. clamping the control rod; 9. a clamping button; 10. a pushing block; 11. a clamping control spring; 12. connecting the connecting rod; 13. clamping the sliding plate; 14. a clamping spring; 15. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

Next, a distribution box having a cable clamping mechanism according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 9.

A distribution box with a cable clamping mechanism comprises a display box 1, wherein the bottom end of the display box 1 is fixedly connected with an opening and closing mechanism 2 which is in the same vertical plane with the side wall of the display box 1 and is in a 'return' type structure, the side wall of the opening and closing mechanism 2 is positioned at the bottom end of the display box 1 and is fixedly connected with a cabinet body 3, the upper end and the lower end of the inner wall at two sides of the cabinet body 3 are fixedly connected with two groups of sawtooth guide rails 4 which are symmetrical to the central axis of the cabinet body 3, sawteeth of the two groups of sawtooth guide rails 4 are oppositely arranged, four groups of self-locking mechanisms 5 which are in sliding connection with the outer wall of the sawtooth guide rails 4 and are meshed with the inner walls of the sawtooth guide rails 4 are distributed on the outer wall of the sawtooth guide rails 4 from top to bottom, so that the self-locking mechanisms 5 are fixed on the outer wall of the sawtooth guide rails 4 when in free movement, one side opposite to the two groups of self-locking mechanisms 5 is respectively and is fixedly connected with a setting plate 6 and a clamping plate 7 which are parallel to the transverse central axis of the self-locking mechanisms 5, the clamping plate 7 is positioned at the front side of the setting plate 6, the upper surface of the clamping plate 7 and the lower surface of the setting plate 6 are in the same horizontal plane, four groups of clamping control rods 8 are embedded at equal intervals at one end of the clamping plate 7 far away from the setting plate 6, one end of each clamping control rod 8 far away from the clamping plate 7 is fixedly connected with a clamping button 9, one end of each clamping control rod 8 far away from the clamping button 9 is positioned in the clamping plate 7 and is fixedly connected with a pushing block 10, one end of each pushing block 10 is fixedly connected with a clamping control spring 11 sleeved on the outer wall of the clamping control rod 8, the other end of each pushing block 10 is screwed with two groups of connecting rods 12 which are symmetrical relative to the pushing block 10, one ends of the two groups of connecting rods 12 far away from the pushing block 10 are screwed with clamping sliding plates 13 which are in sliding connection with the clamping plate 7, so that the connecting rods 12 push the clamping sliding plates 13 to slide along the inner walls of the clamping plate 7, a clamping spring 14 which is arranged between one side of the two groups of the clamping sliding plates 13 which is opposite to the clamping plate 7 and is in the moving direction of the clamping sliding plates 13, and one side of the two groups of clamping sliding plates 13 opposite to each other is provided with a clamping groove 15 fixedly connected with the inner wall of the clamping plate 7.

Further, the position of two sets of sawtooth guide rails 4 is symmetrical about the setter plate 6, and the length of setter plate 6 equals with the length of grip block 7, and the axis of setter plate 6 is parallel with the axis of grip block 7, through setting up two sets of parallel sawtooth guide rails 4, realizes that self-locking mechanism 5 can freely slide on sawtooth guide rails 4.

Further, the clamping sliding plate 13 forms a sliding structure through the connecting rods 12 and the clamping grooves 15, the sliding length of the clamping sliding plate 13 is equal to the length of the connecting rods 12, the central axis of the pushing block 10, the middle points of the two groups of connecting rods 12 and the central axis of the clamping grooves 15 coincide with each other, the clamping control rod 8 moves to drive the pushing block 10 to move, the pushing block 10 moves to drive the clamping sliding plate 13 to slide along the clamping grooves 15 through the connecting rods 12, and the cable is clamped.

Further, the opening and closing mechanism 2 comprises a servo motor 201, a rotating rod 202, a supporting rod 203, a connecting rod 204, a sliding slider 205, a limiting rod 206, a first moving door 207, a connecting plate 208, a sliding roller 209, a rolling guide rail 210 and a second moving door 211, the inner wall of the opening and closing mechanism 2 is fixedly connected with the servo motor 201, the output end of the servo motor 201 is provided with the rotating rod 202, the two ends of the rotating rod 202 are respectively screwed with the supporting rod 203, one end of the supporting rod 203 far away from the rotating rod 202 is screwed with the connecting rod 204 in sliding connection with the inner wall of the opening and closing mechanism 2, one end of the connecting rod 204 far away from the inner wall of the opening and closing mechanism 2 is fixedly connected with the sliding slider 205, the limiting rod 206 penetrates through the inside of the sliding slider 205, the bottom end of the sliding slider 205 is fixedly connected with the first moving door 207, the connecting plate 208 is screwed in the middle of the top end of the first moving door 207, the sliding roller 209 is screwed in the middle of the top end of the connecting plate 208, and the outer wall sliding connection of sliding roller 209 has the roll rail 210 with mechanism 2 fixed connection that opens and shuts, and the one end that first floating gate 207 was kept away from to connecting plate 208 has connect second floating gate 211 soon, through setting up mechanism 2 that opens and shuts, when examining the block terminal, has reduced the area of block terminal.

Further, the central axis of the servo motor 201 coincides with the midpoint of the rotating rod 202, the rolling guide rails 210 are provided in two sets, and the two sets of rolling guide rails 210 are symmetrical with respect to the servo motor 201, so that the servo motor 201 can stably drive the rotating rod 202 to rotate, and the stability of the equipment is improved.

Further, the two sets of support rods 203 are arranged, the positions of the two sets of support rods 203 are distributed in central symmetry about the middle point of the rotating rod 202, the connecting rod 204 passes through the support rods 203 and the middle points of the rotating rod 202 and the limiting rod 206 to form a sliding structure, the sliding length of the connecting rod 204 is equal to the sum of the length of the support rods 203 and the half length of the rotating rod 202, the rotating rod 202 rotates to drive the support rods 203 to move, the support rods 203 move to drive the sliding blocks 205 connected with the connecting rod 204 to move along the limiting rod 206, and the opening and closing operation of the first movable door 207 is achieved.

Further, the self-locking mechanism 5 comprises a self-locking button 501, a self-locking control rod 502, a self-locking spring 503, a self-locking telescopic rod 504, a self-locking control sloping block 505, a lifting block 506, a lifting sloping block 507, a lifting connection column 508, a lifting plate 509 and a compression spring 510, the self-locking button 501 is arranged outside the self-locking mechanism 5, one end of the self-locking button 501 extends to the inside of the self-locking mechanism 5 and is fixedly connected with the self-locking control rod 502, the self-locking spring 503 is sleeved inside the self-locking mechanism 5 outside the self-locking control rod 502, one end of the self-locking spring 503 far away from the self-locking button 501 is fixedly connected with the self-locking telescopic rod 504 slidably connected with the inner wall of the self-locking mechanism 5, the top end of the self-locking telescopic rod 504 is fixedly connected with the self-locking control sloping block 505, the top end of the self-locking control sloping block 505 is abutted with the lifting block 506 slidably connected with the self-locking mechanism 5, and the lifting sloping block 507 is arranged at the connection part of the self-locking control sloping block 506 and the self-locking control sloping block 505, the top fixedly connected with lift spliced pole 508 of elevator block 506, and the top fixedly connected with of lift spliced pole 508 and 5 inner wall sliding connection's of self-locking mechanism lifter plate 509, the top of lifter plate 509 and 5 inner wall fixed connection's of self-locking mechanism compression spring 510, one side that compression spring 510 was kept away from to lifter plate 509 has connect soon to extend to the flexible post 511 with sawtooth guide rail 4 engaged with, through setting up self-locking mechanism 5, the realization is to the fixed operation of the free slip of settling plate 6 and grip block 7.

Furthermore, the lifting block 506 forms a lifting structure between the lifting oblique block 507 and the self-locking control oblique block 505 and the self-locking mechanism 5, the lifting height of the lifting block 506 is equal to the height of the lifting oblique block 507, the inclination angle of the lifting oblique block 507 is 45 degrees, the inclination height of the lifting oblique block 507 is 30 degrees, the height of the lifting oblique block 507 is equal to the height of the lifting oblique block 507, the lifting block 506 is driven to slide along the inner wall of the self-locking mechanism 5 through the movement of the self-locking control oblique block 505 and the relative movement of the lifting oblique block 507, and the control operation of the movement direction of the lifting connecting column 508 is realized.

Further, the telescopic columns 511 are provided with two groups, the position relation of the two groups of telescopic columns 511 is symmetrical about the lifting plate 509, the telescopic columns 511 form a telescopic structure through the lifting plate 509 and the self-locking mechanism 5, the telescopic length of the telescopic columns 511 is equal to the tooth height of the sawtooth guide rail 4, the telescopic columns 511 are driven by the lifting plate 509 to move, the telescopic columns 511 move and the sawtooth guide rail 4 are meshed, and the self-locking mechanism 5 can conveniently slide and fix on the sawtooth guide rail 4.

The working principle of the invention is as follows: when the distribution box with the cable clamping mechanism is used, firstly, the first movable door 207 is opened and closed, in the opening and closing mechanism 2, the servo motor 201 works to drive the rotating rod 202 to rotate, the rotating rod 202 drives the two groups of supporting rods 203 to move, the supporting rods 203 move to drive the connecting rod 204 to move, the connecting rod 204 drives the two groups of sliding sliders 205 to move along the limiting rod 206, the sliding sliders 205 drive the first movable door 207 to move, the first movable door 207 moves to drive the sliding rollers 209 to move along the rolling guide rails 210 through the connecting plates 208, the stable automatic opening and closing operation of the first movable door 207 is completed, then, the height of the setting plate 6 is adjusted, in the self-locking mechanism 5, the self-locking button 501 drives the self-locking control rod 502 to move, the self-locking control rod 502 drives the self-locking telescopic rod 504 to move, the self-locking telescopic rod 504 abuts against the lifting oblique block 507 with the inclination angle of 45 degrees through the self-locking control oblique block 505 with the inclination angle of 30 degrees to drive the lifting block 506 to move, the elevator 506 drives the elevator plate 509 to move through the elevator connecting column 508, then, the self-locking mechanism 5 is driven to slide along the sawtooth guide rail 4, the height of the installation plate 6 is adjusted, then the compression spring 510 works to drive the elevator plate 509 to move, the elevator plate 509 moves to drive the two sets of telescopic columns 511 to be meshed with the sawtooth guide rail 4, the fixing operation of the self-locking mechanism 5 is completed, then, the cable is clamped, in the clamping plate 7, the clamping button 9 drives the clamping control rod 8 to move, the clamping control rod 8 drives the pushing block 10 to slide along the inner wall of the clamping plate 7, the pushing block 10 moves to drive the connecting rod 12 to move, the connecting rod 12 drives the clamping sliding plate 13 to slide along the inner wall of the clamping plate 7 through the clamping spring 14, the relative movement of the clamping sliding plate 13 and the clamping groove 15 is realized, and the clamping operation of the cable is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a block terminal with cable fixture, includes display box (1), its characterized in that: the bottom fixedly connected with of display box (1) just is "the mechanism of opening and shutting (2) of" returning "type structure with the same vertical plane of display box (1) lateral wall, the lateral wall of the mechanism of opening and shutting (2) is located the bottom fixedly connected with cabinet body (3) of display box (1), the equal fixedly connected with in both ends about the inner wall of cabinet body (3) both sides with two sets of sawtooth guide rails (4) that the cabinet body (3) axis is symmetrical, the sawtooth of two sets of sawtooth guide rails (4) is arranged relatively, the outer wall top-down distribution of two sets of sawtooth guide rails (4) have four groups with the outer wall sliding connection of sawtooth guide rail (4) and with self-locking mechanism (5) that sawtooth guide rail (4) inner wall meshes mutually, so that work as fix during self-locking mechanism (5) free motion the outer wall of sawtooth guide rail (4), two sets of one side that self-locking mechanism (5) is relative respectively fixedly connected with self-locking mechanism (5) horizontal axis is flat mutually The clamping plate (7) is positioned on the front side of the placing plate (6), the upper surface of the clamping plate (7) and the lower surface of the placing plate (6) are positioned on the same horizontal plane, four groups of clamping control rods (8) are embedded in one end, far away from the placing plate (6), of the clamping plate (7) at equal intervals, one end, far away from the clamping plate (7), of each clamping control rod (8) is fixedly connected with a clamping button (9), one end, far away from the clamping button (9), of each clamping control rod (8) is positioned on a pushing block (10) fixedly connected with the inside of the clamping plate (7), one end, far away from the clamping button (9), of each pushing block (10) is fixedly connected with a clamping control spring (11) sleeved on the outer wall of the clamping control rod (8), and the other end of each pushing block (10) is rotatably connected with two groups of connecting rods (12) which are symmetrical about the pushing blocks (10), two sets of connecting rod (12) are kept away from the one end of promotion piece (10) connect soon with grip block (7) sliding connection's centre gripping slide (13), so that connecting rod (12) promote grip slide (13) are followed the inner wall of grip block (7) slides, two sets of grip slide (13) one side that carries on the back mutually with be provided with between grip block (7) with grip spring (14) that centre gripping slide (13) direction of motion parallels, two sets of one side that centre gripping slide (13) is relative is provided with centre gripping recess (15) with grip block (7) inner wall fixed connection.

2. The electrical box of claim 1, wherein: the two groups of saw-tooth guide rails (4) are symmetrical about the arrangement plate (6), the length of the arrangement plate (6) is equal to that of the clamping plate (7), and the central axis of the arrangement plate (6) is parallel to that of the clamping plate (7).

3. The electrical box of claim 2, wherein: centre gripping slide (13) constitute sliding structure through connecting between connecting rod (12) and centre gripping recess (15), and the slip length of centre gripping slide (13) equals with the length of connecting rod (12), the axis that promotes piece (10), the mid point of two sets of connecting rod (12) and the axis of centre gripping recess (15) coincide mutually.

4. The electrical box of claim 3, wherein: the opening and closing mechanism (2) comprises a servo motor (201), a rotating rod (202), a supporting rod (203), a connecting rod (204), a sliding slider (205), a limiting rod (206), a first movable door (207), a connecting plate (208), a sliding roller (209), a rolling guide rail (210) and a second movable door (211), wherein the inner wall of the opening and closing mechanism (2) is fixedly connected with the servo motor (201), the rotating rod (202) is arranged at the output end of the servo motor (201), the supporting rod (203) is screwed at both ends of the rotating rod (202), the connecting rod (204) which is slidably connected with the inner wall of the opening and closing mechanism (2) is screwed at one end of the supporting rod (203) far away from the rotating rod (202), the sliding slider (205) is fixedly connected with one end of the connecting rod (204) far away from the inner wall of the opening and closing mechanism (2), and the limiting rod (206) penetrates through the inside of the sliding slider (205), the bottom fixedly connected with of slip slider (205) first floating gate (207), and connect connecting plate (208) soon in the middle of the top of first floating gate (207), connect sliding roller (209) soon in the middle of the top of connecting plate (208), and sliding roller's (209) outer wall sliding connection have with mechanism (2) fixed connection's that opens and shuts rolling guide (210), the one end that first floating gate (207) was kept away from in connecting plate (208) connects second floating gate (211) soon.

5. The electrical box of claim 4, wherein: the central axis of the servo motor (201) coincides with the midpoint of the rotating rod (202), two groups of rolling guide rails (210) are arranged, and the two groups of rolling guide rails (210) are symmetrical about the servo motor (201).

6. The electrical box of claim 5, wherein: the support rods (203) are provided with two groups, the positions of the two groups of support rods (203) are distributed in central symmetry about the middle point of the rotating rod (202), the connecting rod (204) forms a sliding structure through the support rods (203), the rotating rod (202) and the limiting rod (206), and the sliding length of the connecting rod (204) is equal to the sum of the length of the support rods (203) and the half length of the rotating rod (202).

7. The electrical box of claim 6, wherein: the self-locking mechanism (5) comprises a self-locking button (501), a self-locking control rod (502), a self-locking spring (503), a self-locking telescopic rod (504), a self-locking control inclined block (505), a lifting block (506), a lifting inclined block (507), a lifting connecting column (508), a lifting plate (509) and a compression spring (510), wherein the self-locking button (501) is arranged outside the self-locking mechanism (5), one end of the self-locking button (501) extends to the inside of the self-locking mechanism (5) and is fixedly connected with the self-locking control rod (502), the self-locking spring (503) is sleeved inside the self-locking mechanism (5) and is positioned outside the self-locking control rod (502), one end, far away from the self-locking button (501), of the self-locking spring (503) is fixedly connected with the self-locking telescopic rod (504) which is slidably connected with the inner wall of the self-locking mechanism (5), and the top end of the self-locking telescopic rod (504) is fixedly connected with the self-locking control inclined block (505), and the top butt of auto-lock control sloping block (505) has connect elevator (506) with self-locking mechanism (5) sliding connection, elevator (506) are provided with lift sloping block (507) with the position of being connected of auto-lock control sloping block (505), the top fixedly connected with lift spliced pole (508) of elevator (506), and the top fixedly connected with of lift spliced pole (508) and self-locking mechanism (5) inner wall sliding connection's lifter plate (509), the top of lifter plate (509) and self-locking mechanism (5) inner wall fixed connection's compression spring (510), one side that compression spring (510) were kept away from in lifter plate (509) has connect soon to extend to flexible post (511) with sawtooth guide rail (4) engaged with.

8. The electrical box of claim 7, wherein: the lifting block (506) is of a lifting structure formed between the lifting oblique block (507) and the self-locking control oblique block (505) and the self-locking mechanism (5), the lifting height of the lifting block (506) is equal to the height of the lifting oblique block (507), the inclination angle of the lifting oblique block (507) is 45 degrees, the inclination height of the lifting oblique block (507) is 30 degrees, and the height of the lifting oblique block (507) is equal to the height of the lifting oblique block (507).

9. The electrical box of claim 8, wherein: the telescopic columns (511) are provided with two groups, the position relation of the two groups of telescopic columns (511) is symmetrical about the lifting plate (509), the telescopic columns (511) form a telescopic structure through the lifting plate (509) and the self-locking mechanism (5), and the telescopic length of the telescopic columns (511) is equal to the tooth height of the sawtooth guide rail (4).