CN219717507U - Overcurrent protector for high-voltage distribution box - Google Patents

Abstract

The utility model discloses an overcurrent protector of a high-voltage distribution box, which comprises an overcurrent protector body and a plurality of groups of pre-positioning devices, wherein a plurality of wiring holes are formed in the outer part of the overcurrent protector body; when the circuit of the overcurrent protector body is connected, the circuit is firstly inserted into the wiring hole, and then the pre-positioning device is suitable for clamping and pre-positioning the circuit and comprises a mounting block and a clamping assembly, and the mounting block is mounted on the overcurrent protector body. The utility model has the beneficial effects that: through being provided with the positioner, when we are carrying out the circuit connection of overcurrent protector body, insert the suitable position department in the wiring hole with the circuit at first, then carry out the centre gripping through the positioner to the circuit, and then make the circuit that is located the wiring hole can not drop, the circuit is preformed, is convenient for carry out the operation of screwing up of circuit like this, and is simple and convenient.

Description

Overcurrent protector for high-voltage distribution box

Technical Field

The utility model relates to the technical field of high-voltage distribution boxes, in particular to an overcurrent protector for a high-voltage distribution box.

Background

The high-voltage distribution box is also called as a high-voltage distribution cabinet and is used for power generation, transmission, distribution, electric energy conversion and consumption of a power system to play roles of on-off, control or protection and the like; an overcurrent protector is arranged in the high-voltage distribution box, the overcurrent protector can induce the temperature of the electric wire core, and when the temperature is high, the circuit is cut off, so that the purpose of protecting electric elements in the high-voltage distribution box is achieved.

When the existing overcurrent protector is used for connecting lines, the lines are required to be inserted into wiring holes of the overcurrent protector and then screwed by a screwdriver, and the inserted lines are easy to fall off after being inserted into the wiring holes, so that one hand is required to be used for holding the lines for positioning, and the other hand is required to be used for screwing the screwdriver, which is troublesome; in addition, for some installed electrical components, the operation space of the high-voltage distribution box is smaller, so that the operation by two hands is more inconvenient, and therefore, the high-voltage distribution box overcurrent protector capable of presetting the line inserted into the wiring hole is provided.

Disclosure of Invention

One of the objects of the present utility model is to provide a high voltage distribution box overcurrent protector capable of presetting a line inserted into a wiring hole.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the overcurrent protector comprises an overcurrent protector body and a plurality of groups of pre-positioning devices, wherein a plurality of wiring holes are formed in the outer portion of the overcurrent protector body, and the pre-positioning devices are arranged on the outer portion of the overcurrent protector body and correspond to the wiring holes; when the line connection of the overcurrent protector body is performed, the line is first inserted into the wiring hole, and then the pre-positioning device is adapted to clamp the line for pre-positioning.

Preferably, the pre-positioning device comprises a mounting block and a clamping assembly, the mounting block is mounted on the overcurrent protector body, the clamping assembly is suitable for being detachably mounted on the mounting block through the mounting assembly, and the clamping assembly is suitable for clamping and fixing the circuit.

Preferably, the clamping assembly comprises a connecting plate and two groups of clamping plates, wherein the two groups of clamping plates are suitable for being symmetrically arranged on the connecting plate through elastic components; when the circuit of the overcurrent protector body is connected, the circuit is suitable for being placed between the two groups of clamping plates, and the circuit is clamped and fixed under the action of the first elastic component.

Preferably, the mounting assembly comprises a positioning block and a positioning groove, the positioning groove is arranged at the side part of the mounting block, and the positioning block is arranged at the clamping assembly; when the clamping assembly is installed, the positioning block is suitable for being inserted into the positioning groove, and the positioning block is suitable for being locked and limited by the limiting assembly and the positioning groove.

Preferably, the limiting assembly comprises a moving rod, a hinging rod, a second elastic component, a limiting column and a limiting hole, wherein the moving rod is slidably arranged in the positioning block, one end of the moving rod is fixedly connected with the connecting plate, the other end of the moving rod is connected with the inside of the positioning block through the second elastic component, the limiting column is slidably arranged on the side part of the positioning block, the limiting column is suitable for being hinged with the moving rod through the hinging rod, and the limiting hole is formed in the side part of the positioning groove.

Preferably, the bottom end of the positioning groove is provided with an elastic component III, the top end of the positioning block is provided with a positioning column, the top end of the positioning groove is provided with a positioning hole matched with the positioning column, and the positioning block is suitable for propping against the elastic component III; the limiting assembly is adapted to unlock the clamping assembly when the line connection of the overcurrent protector body is performed, and then the clamping assembly is adapted to move toward the wire connection hole until the positioning post is adapted to be inserted into the positioning hole.

Preferably, the high-voltage distribution box overcurrent protector further comprises a mounting plate, wherein the mounting plate is suitable for being mounted inside the high-voltage distribution box, and the overcurrent protector body is suitable for being detachably connected with the mounting plate through a clamping assembly.

Preferably, the clamping assembly comprises a plurality of groups of clamping blocks and a plurality of groups of clamping frames, the clamping blocks are mounted on the overcurrent protector body, and the clamping frames are mounted on the mounting plate; when the overcurrent protector body is installed, the clamping block is suitable for being clamped into the clamping frame, and then the clamping block is suitable for being locked with the clamping frame through a clamping structure.

Preferably, the clamping structure comprises a clamping block, the clamping block is elastically and slidably arranged on the clamping block, and a clamping groove is formed in the outer portion of the clamping frame; when the overcurrent protector body is installed, the clamping block is suitable for being clamped into the clamping groove, and then the clamping block is locked.

Compared with the prior art, the utility model has the beneficial effects that:

(1) When the circuit of the overcurrent protector body is connected, the circuit is inserted into the proper position in the wiring hole, and then the circuit is clamped through the pre-positioning device, so that the circuit in the wiring hole cannot fall off, the circuit is pre-positioned, and the tightening operation of the circuit is convenient, and the tightening operation of the circuit is simple and convenient.

(2) According to the utility model, the clamping assembly is arranged, so that the rapid disassembly of the overcurrent protector body can be realized, the assembly efficiency is improved, and the assembly is more convenient.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic structural diagram of a fastening assembly according to the present utility model.

Fig. 3 is a schematic structural view of a pre-positioning device according to the present utility model.

Fig. 4 is a schematic structural view of a clamping assembly according to the present utility model.

Fig. 5 is a schematic structural diagram of a limiting component according to the present utility model.

Fig. 6 is a schematic view of the mounting assembly structure of the present utility model.

In the figure: 1. an overcurrent protector body; 2. a mounting plate; 3. a clamping assembly; 31. a clamping frame; 32. a clamping block; 33. a clamping structure; 331. a clamping block; 332. a clamping groove; 333. a shifting block; 334. an elastic member IV; 4. a pre-positioning device; 41. a mounting block; 42. a clamping assembly; 421. a connecting plate; 422. a clamping plate; 423. an elastic member I; 424. a telescopic rod; 425. a sloping plate; 5. a wiring hole; 6. a mounting assembly; 61. a positioning block; 62. a positioning groove; 7. a limit component; 71. a limiting hole; 72. a limit column; 73. a hinge rod; 74. an elastic member II; 75. a moving rod; 8. an elastic member III; 9. and positioning columns.

Detailed Description

The present utility model will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present utility model, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

In one preferred embodiment of the present utility model, as shown in fig. 1 to 6, an overcurrent protector for a high-voltage distribution box comprises an overcurrent protector body 1 and a plurality of groups of pre-positioning devices 4, wherein a plurality of wiring holes 5 are arranged on the outer part of the overcurrent protector body 1, the pre-positioning devices 4 are arranged on the outer part of the overcurrent protector body, and the positions of the pre-positioning devices 4 and the wiring holes 5 correspond; when we are carrying out the line connection of overcurrent protector body 1, at first insert the suitable position department in the wiring hole 5 with the circuit, then carry out the centre gripping through pre-positioning device 4 to the circuit, and then make the circuit that is located in the wiring hole 5 can not drop, the circuit is preformed, is convenient for carry out the operation of screwing up of circuit like this, and is simple and convenient.

In the present embodiment, as shown in fig. 3 and 4, the pre-positioning device 4 includes a mounting block 41 and a clamping assembly 42, wherein the mounting block 41 is fixedly mounted on the outside of the overcurrent device body 1, and the clamping assembly 42 can be detachably and fixedly mounted on the mounting block 41 through the mounting assembly 6, wherein the clamping assembly 42 can clamp and fix the circuit.

In this embodiment, as shown in fig. 4 and 5, the clamping assembly 42 includes a connecting plate 421 and two groups of clamping plates 422, and the two groups of clamping plates 422 are symmetrically mounted on the connecting plate 421 through a first elastic member 423; when the circuit of the overcurrent protector body 1 is connected, the circuit is firstly inserted into the proper position in the wiring hole 5, then the circuit is placed between the two groups of clamping plates 422, under the action of the first elastic component 423, the two groups of clamping plates 422 are relatively close to clamp and fix the circuit, and then the pre-positioning of the circuit is completed.

As shown in fig. 5, the connecting plate 421 adopts a "" shape structure, the clamping plates 422 adopt a semicircular structure, so that the circuit can be better clamped and fixed, the outer walls of the opposite sides of the two groups of clamping plates 422 are fixedly provided with first elastic components 423, one ends of the first elastic components 423 are fixedly connected with the connecting plate 421, in order to further improve the stability of the clamping plates 422, telescopic rods 424 are fixedly arranged between the clamping plates 422 and the connecting plate 421 together, the first elastic components 423 are sleeved outside the telescopic rods 424, the same ends of the two groups of clamping plates 422 are integrally formed with inclined plates 425, and the two groups of inclined plates 425 are symmetrically arranged and are in a horn-shaped structure; the circuit can be pushed to the place of the two groups of inclined plates 425, the two groups of inclined plates 425 are extruded and act on the clamping plates 422, the two groups of clamping plates 422 can move back to back under the limiting action of the telescopic rods 424, and after the circuit moves between the two groups of clamping plates 422, the circuit can be clamped and pre-positioned under the action of the first 423 elastic component.

In this embodiment, as shown in fig. 4 to 6, the mounting assembly 6 includes a positioning block 61 and a positioning groove 62, the positioning block 61 is disposed on the clamping assembly 42, the positioning groove 62 is disposed on the side of the mounting block 41, when the clamping assembly 42 is mounted, the positioning block 61 is first inserted into the positioning groove 62, and then the positioning block 61 can be locked and limited by the limiting assembly 7 and the positioning groove 62, so as to complete the mounting of the clamping assembly 42; when the clamping assembly 42 is disassembled, the positioning block 61 is unlocked through the limiting assembly 7, and then the positioning block 61 is separated from the positioning groove 62, so that the assembly is simple and convenient, and the clamping assembly 42 is convenient to damage and replace in the later period.

In this embodiment, as shown in fig. 5 and 6, the limiting component 7 includes a moving rod 75, a hinge rod 73, a second elastic component 74, a limiting post 72 and a limiting hole 71, where one end of the moving rod 75 is fixedly connected with the connecting plate 421, the moving rod 75 is slidably disposed inside the positioning block 61, the other end of the moving rod 75 is connected with the inside of the positioning block 61 through the second elastic component 74, the limiting post 72 is slidably disposed at a side portion of the positioning block 61, the hinge rod 73 is hinged between the limiting post 72 and the moving rod 75, and the limiting hole 71 is disposed at a side inner wall of the positioning slot 62.

When the clamping assembly 42 is installed, the positioning block 61 is inserted into the positioning groove 62, the limiting post 72 is in a state of extending out of the positioning block 61 for a certain distance under the action of the second elastic part 74, namely, the positioning block 61 is clamped after being inserted into the positioning groove 62 for a certain distance, then the moving rod 75 is pushed into the positioning block 61 through the connecting plate 421, at the moment, the second elastic part 74 is in a compressed state, the moving rod 75 moves to act on the hinging rod 73, the hinging rod 73 acts on the limiting post 72, the limiting post 72 is further hidden into the positioning block 61, at the moment, the positioning block 61 is continuously pushed into the positioning groove 62 for a certain distance, then the limiting post 72 is loosened, and under the action of the second elastic part 74, the limiting post 72 extends out of the positioning block 61 and is inserted into the limiting hole 71 in the positioning groove 62, so that the limiting locking of the positioning block 61 is completed, and the installation is completed.

As shown in fig. 5, in order to further improve stability, two sets of the stopper post 72, the hinge rod 73 and the stopper hole 71 may be preferably used.

In this embodiment, as shown in fig. 6, the third elastic component 8 is fixedly mounted on the bottom inner wall of the positioning slot 62, the positioning column 9 is fixedly mounted on the top end of the positioning block 61, a positioning hole (not shown in the figure) adapted to the positioning column 9 is provided on the top inner wall of the positioning slot 62, and the third elastic component 8 is in a state of abutting against the third elastic component 8 after the positioning block 61 is mounted in the positioning slot 62, and at this time, the third elastic component 8 is also in a compressed state; when the circuit of the overcurrent protector body 1 is connected, namely, the clamping assembly 42 is in a clamping state on the circuit, the clamping assembly 42 can be unlocked through the limiting assembly 7, namely, the limiting column 72 is separated from the limiting hole 71, the positioning block 61 can move upwards by a small distance along the positioning groove 62 under the action of the elastic component III 8, the moving direction of the positioning block 61 is that the clamping assembly 42 moves slightly towards the wiring hole 5 until the positioning column 9 can be inserted into the positioning hole, and then the positioning block 61 can be locked and limited, so that the clamped circuit has a trend of extrusion towards the inside of the wiring hole 5, and the circuit can be better inserted into the wiring hole 5, thereby facilitating subsequent tightening and fixing.

In this embodiment, as shown in fig. 1 and 2, the overcurrent protector for a high-voltage distribution box further includes a mounting plate 2, the mounting plate 2 may be fixedly mounted inside the high-voltage distribution box by using components such as bolts, and the overcurrent protector body 1 may be detachably connected and mounted by using a clamping component 3 and the mounting plate 2; namely, in the prior art, the overcurrent protector body 1 is generally fixedly connected with the high-voltage distribution box through bolts, so that the assembly is troublesome, and the quick disassembly of the overcurrent protector body 1 can be realized through the clamping assembly 3 at present, and the assembly is convenient.

In this embodiment, as shown in fig. 1 and 2, the clamping assembly 3 includes a plurality of groups of clamping blocks 32 and a plurality of groups of clamping frames 31, wherein the clamping blocks 32 are fixedly mounted at the side positions of the overcurrent protector body 1, and the clamping frames 31 are fixedly mounted at the side parts of the mounting plate 2; when the overcurrent protector body 1 is mounted, the engagement block 32 can be engaged with the engagement frame 31, and then the engagement block 32 and the engagement frame 31 can be locked by the engagement structure 33.

In this embodiment, as shown in fig. 1 and 2, the clamping structure 33 includes a clamping block 331, the clamping block 331 is slidably disposed in the clamping block 32, the clamping block 331 can slide out of the clamping block 32, a fourth elastic component 334 is fixedly installed between the clamping block 331 and the inside of the clamping block 32, under the action of the fourth elastic component 334, the clamping block 331 extends out of the clamping block 32 by a certain distance, a shifting block 333 is installed on a side portion of the clamping block 331, so that the clamping block 331 can be moved by the shifting block 333, and a clamping groove 332 adapted to the clamping block 331 is provided on the outside of the clamping frame 31.

When the overcurrent protector body 1 is installed, the clamping block 331 is slid through the shifting block 333 and hidden in the clamping block 32, the elastic component IV 334 is in a compressed state, the clamping block 32 is clamped into the clamping frame 31, and after the hand is loosened, the clamping block 331 is slid and clamped into the clamping groove 332 under the action of the elastic component IV 334, so that the clamping block 32 is locked, and the overcurrent protector body 1 is installed simply and conveniently; when the overcurrent protector is detached, the clamping block 331 is slid through the shifting block 333 and hidden in the clamping block 32, namely, the clamping block 331 is separated from the clamping groove 332, so that the clamping block 32 is unlocked, and the overcurrent protector body 1 can be detached at the moment.

As shown in fig. 1, the number of the engaging blocks 32 and the engaging frames 31 is preferably four, and the engaging blocks and the engaging frames are symmetrically disposed on both sides of the overcurrent protector body 1, so that the mounting stability is good.

It should be appreciated that springs may be used for the first 423, second 74, third 8, and fourth 334 elastic members.

The working principle of the utility model is as follows:

firstly, the mounting plate 2 is fixedly mounted in a high-voltage distribution box through bolts, then the overcurrent protector body 1 is mounted, namely the clamping block 331 is slid by hands through the shifting block 333 and hidden in the clamping block 32, the elastic component IV 334 is in a compressed state, then the clamping block 32 is clamped in the clamping frame 31, after the hands are loosened, the clamping block 331 is slid and clamped in the clamping groove 332 under the action of the elastic component IV 334, and then the clamping block 32 is locked, so that the mounting of the overcurrent protector body 1 is completed; when we are connecting the circuit of overcurrent protector body 1, firstly, insert the circuit into the suitable position department in wiring hole 5, then push the circuit in two sets of swash plates 425, two sets of swash plates 425 will receive the extrusion and act on grip block 422, under the spacing effect of telescopic link 424, two sets of grip block 422 will move in opposite directions, after the circuit moves to between two sets of grip block 422, can carry out the centre gripping preposition to the circuit under the effect of elastic component one 423, we can release the locking to grip block 42 through spacing subassembly 7, spacing post 72 and spacing hole 71 separation, at this moment under the effect of elastic component three 8, the orientation of locating piece 61 can follow the constant head tank 62 and upwards move a short distance, its direction of removal is that grip block 42 is towards the direction of wiring hole 5 slightly, until reference column 9 can insert in the locating hole, and then can lock spacing to the locating piece 61, so can make the circuit that is gripped have a trend of extrusion toward wiring hole 5, and then can make the circuit insert in wiring hole 5 inside more easily, the follow-up is convenient for, and the protector body is connected with the protector body that can be better under the effect of screwing down and the current protector body 1 is better and is connected with the protector body 1.

The foregoing has outlined the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (9)

1. A high voltage distribution box overcurrent protector, comprising: the overcurrent protector comprises an overcurrent protector body and a plurality of groups of preset positioning devices, wherein a plurality of wiring holes are formed in the outer portion of the overcurrent protector body, and the preset positioning devices are arranged on the outer portion of the overcurrent protector body and correspond to the positions of the wiring holes; when the line connection of the overcurrent protector body is performed, the line is first inserted into the wiring hole, and then the pre-positioning device is adapted to clamp the line for pre-positioning.

2. The high voltage distribution box overcurrent protector of claim 1, wherein: the pre-positioning device comprises a mounting block and a clamping assembly, the mounting block is mounted on the overcurrent protector body, the clamping assembly is suitable for being detachably mounted on the mounting block through the mounting assembly, and the clamping assembly is suitable for clamping and fixing the circuit.

3. The high voltage distribution box overcurrent protector as set forth in claim 2, wherein: the clamping assembly comprises a connecting plate and two groups of clamping plates, and the two groups of clamping plates are suitable for being symmetrically arranged on the connecting plate through an elastic part I; when the circuit of the overcurrent protector body is connected, the circuit is suitable for being placed between the two groups of clamping plates, and the circuit is clamped and fixed under the action of the first elastic component.

4. A high voltage distribution box overcurrent protector as defined in claim 3 wherein: the mounting assembly comprises a positioning block and a positioning groove, the positioning groove is arranged at the side part of the mounting block, and the positioning block is arranged on the clamping assembly; when the clamping assembly is installed, the positioning block is suitable for being inserted into the positioning groove, and the positioning block is suitable for being locked and limited by the limiting assembly and the positioning groove.

5. The high voltage distribution box overcurrent protector of claim 4, wherein: the limiting assembly comprises a moving rod, a hinging rod, a second elastic component, a limiting column and a limiting hole, wherein the moving rod is arranged inside the positioning block in a sliding mode, one end of the moving rod is fixedly connected with the connecting plate, the other end of the moving rod is connected with the inside of the positioning block through the second elastic component, the limiting column is arranged on the side portion of the positioning block in a sliding mode, the limiting column is suitable for being hinged to the moving rod through the hinging rod, and the limiting hole is formed in the side portion of the positioning groove.

6. The high voltage distribution box overcurrent protector of claim 5, wherein: the bottom end of the positioning groove is provided with an elastic component III, the top end of the positioning block is provided with a positioning column, the top end of the positioning groove is provided with a positioning hole matched with the positioning column, and the positioning block is suitable for propping against the elastic component III; the limiting assembly is adapted to unlock the clamping assembly when the line connection of the overcurrent protector body is performed, and then the clamping assembly is adapted to move toward the wire connection hole until the positioning post is adapted to be inserted into the positioning hole.

7. The high voltage distribution box overcurrent protector of claim 1, wherein: the high-voltage distribution box overcurrent protector further comprises a mounting plate, wherein the mounting plate is suitable for being mounted inside the high-voltage distribution box, and the overcurrent protector body is suitable for being detachably connected with the mounting plate through a clamping assembly.

8. The high voltage distribution box overcurrent protector of claim 7, wherein: the clamping assembly comprises a plurality of groups of clamping blocks and a plurality of groups of clamping frames, the clamping blocks are arranged on the overcurrent protector body, and the clamping frames are arranged on the mounting plate; when the overcurrent protector body is installed, the clamping block is suitable for being clamped into the clamping frame, and then the clamping block is suitable for being locked with the clamping frame through a clamping structure.

9. The high voltage distribution box overcurrent protector of claim 8, wherein: the clamping structure comprises a clamping block, the clamping block is elastically and slidably arranged on the clamping block, and a clamping groove is formed in the outer portion of the clamping frame; when the overcurrent protector body is installed, the clamping block is suitable for being clamped into the clamping groove, and then the clamping block is locked.