Protection mechanism and low-voltage flexible cable connecting device

Abstract

The utility model relates to the technical field of power equipment, and particularly discloses a protection mechanism and a low-voltage flexible cable connecting device, which comprise an upper box body and a lower box body, the upper box body and the lower box body are both provided with adjusting assemblies, the two sides of the upper box body are provided with upper side plates, the two sides of the lower box body are provided with lower side plates, and the upper side plates and the lower side plates are arranged in parallel. Mounting holes are formed in the surfaces of the upper side plate and the lower side plate, sleeving ends are arranged at the two ends of the upper box body and the two ends of the lower box body, sleeving rubber rings are arranged in the sleeving ends, guide holes and through holes are formed in the surfaces of the upper box body and the lower box body, internal threads are formed in the through holes, and a clamping plate is arranged below the lifting plate; the beneficial effects are that through the arrangement of the adjusting assembly, the distance between the clamping plates in the upper box body and the lower box body can be adjusted, the size of the internal space of the whole box body can be adjusted, cables with different diameters can be effectively stored and protected, and the practicality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to a protection mechanism and a low-voltage flexible cable connection device. Background Art

[0002] During low-voltage emergency power supply operations, two cables need to be connected according to different cable laying lengths. There are usually two connection methods. One is to perform a one-time crimping through a connecting copper tube. After use, the connecting tube part needs to be cut off for recycling and crimped again when it is used next time. The second method is to connect by fixing the copper terminal with bolts. Both connection methods require the joint part to be covered with a special protective box for external insulation protection.

[0003] However, the internal size of the protection box used for traditional cable joints is fixed, which is not convenient for effectively storing and protecting cables of different diameters, and has low practicality.

[0004] Therefore, the utility model proposes a protection mechanism and a low-voltage flexible cable connection device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a protection mechanism and a low-voltage flexible cable connection device to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protection mechanism, the protection mechanism comprising: an upper box body and a lower box body, the upper box body and the lower box body are both provided with adjustment components, upper side plates are provided on both sides of the upper box body, lower side plates are provided on both sides of the lower box body, mounting holes are provided on the surfaces of the upper side plates and the lower side plates, sleeve ends are provided at both ends of the upper box body and the lower box body, sleeve rubber rings are provided in the sleeve ends, guide holes and through holes are provided on the surfaces of the upper box body and the lower box body, and internal threads are provided in the through holes;

[0007] A lifting plate, a clamping plate is arranged below the lifting plate, a guide rod, a square plate and a column are arranged below the lifting plate, a rubber pad and a spring are fixed to the lower surface of the lifting plate, the bottom of the spring is fixedly connected to the clamping plate, one end of the guide rod is fixedly connected to the lifting plate, the other end of the guide rod is fixedly connected to the square plate, the column is rotatably connected to the lifting plate and the square plate, and an external thread is provided on the surface of the column.

[0008] Preferably, there are a plurality of adjustment components, and the plurality of adjustment components are equidistantly distributed on the surfaces of the upper box body and the lower box body.

[0009] Preferably, the adjustment assembly includes a clamping plate, a spring, a rubber pad, a lifting plate, a guide rod, a column, a square plate and a rotating ear. Two groups of springs are provided, and the two groups of springs are symmetrically distributed about the central axis of the clamping plate. The rubber pad is located in the middle of the lower surface of the lifting plate, and the rubber pad can abut against the upper surface of the clamping plate. The lifting plate and the clamping plate are both arranged in an arc shape.

[0010] Preferably, the column is located in the middle of the upper surface of the lifting plate, two groups of guide rods are provided, and the two groups of guide rods are symmetrically distributed about the column. A rotating ear is fixed to the upper end of the column, and the external thread and the internal thread are adapted to each other.

[0011] Preferably, the inner wall of the guide hole and the outer wall of the guide rod are slidably connected.

[0012] Preferably, stud bolts are installed at the mounting holes.

[0013] Preferably, the inner surface of the sleeve end is provided with a snap-in groove, and there are two groups of snap-in grooves, which are arranged away from the outer end of the sleeve end. A snap-in strip is fixed on the surface of the sleeve rubber ring, and the snap-in strip can be embedded in the snap-in groove, and the outer wall of the sleeve rubber ring and the inner wall of the sleeve end are abutted against each other.

[0014] A low-voltage flexible cable connection device comprises the above-mentioned protection mechanism.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model proposes a protection mechanism and a low-voltage flexible cable connection device. Through the arranged adjustment component, the distance between the clamping plates in the upper box body and the lower box body can be adjusted, thereby adjusting the space size inside the box body as a whole, so as to facilitate the effective storage and protection of cables with different diameters and improve practicality. In this way, the problem that the internal size of the protection box at the traditional cable joint is fixed, which is not convenient for the effective storage and protection of cables with different diameters and has low practicality is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a detailed diagram of the structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the sleeved rubber ring of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the card slot of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the clamping plate of the utility model;

[0022] Figure 6 It is a cross-sectional view of the upper box body and the lower box body structure of the utility model.

[0023] In the figure: 1, upper box body; 2, upper side plate; 3, lower side plate; 4, stud bolts; 5, lower box body; 6, sleeve rubber ring; 7, sleeve end; 8, column; 9, square plate; 10, turn ear; 11, guide rod; 12, external thread; 13, lifting plate; 14, mounting hole; 15, clamping plate; 16, through hole; 17, internal thread;

[0024] 18. Guide hole; 19. Snap-in groove; 20. Spring; 21. Rubber pad; 22. Adjustment assembly; 23. Snap-in strip. DETAILED DESCRIPTION

[0025] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Please refer to Figure 1-Figure 6 The utility model provides a technical solution: a protection mechanism, an upper box body 1 and a lower box body 5, both of which are provided with an adjustment assembly 22, upper side plates 2 are provided on both sides of the upper box body 1, and lower side plates 3 are provided on both sides of the lower box body 5, and mounting holes 14 are provided on the surfaces of the upper side plates 2 and the lower side plates 3, and sleeve ends 7 are provided at both ends of the upper box body 1 and the lower box body 5, and sleeve rubber rings 6 are provided in the sleeve ends 7, and guide holes 18 and through holes 16 are provided on the surfaces of the upper box body 1 and the lower box body 5, and internal threads 17 are provided in the through holes 16;

[0027] A lifting plate 13, a clamping plate 15 is arranged below the lifting plate 13, a guide rod 11, a square plate 9 and a column 8 are arranged below the lifting plate 13, a rubber pad 21 and a spring 20 are fixed to the lower surface of the lifting plate 13, the bottom of the spring 20 is fixedly connected to the clamping plate 15, one end of the guide rod 11 is fixedly connected to the lifting plate 13, the other end of the guide rod 11 is fixedly connected to the square plate 9, the column 8 is rotatably connected to the lifting plate 13 and the square plate 9, and an external thread 12 is provided on the surface of the column 8;

[0028] The adjustment assembly 22 includes a clamping plate 15, a spring 20, a rubber pad 21, a lifting plate 13, a guide rod 11, a column 8, a square plate 9 and a rotating ear 10. The spring 20 is provided with two groups, and the two groups of springs 20 are symmetrically distributed about the central axis of the clamping plate 15. The rubber pad 21 is located in the middle of the lower surface of the lifting plate 13. The rubber pad 21 can abut against the upper surface of the clamping plate 15. The lifting plate 13 and the clamping plate 15 are both arranged in an arc shape. A stud bolt 4 is installed at the mounting hole 14. A low-voltage flexible cable connection device includes the protection mechanism;

[0029] When in use, first remove the stud bolts 4, separate the upper box body 1 and the lower box body 5, place the cable connector in the lower box body 5, so that the two sides of the cable connector are supported on the sleeve rubber ring 6, then place the upper box body 1 on the lower box body 5, so that the cable connector is located inside the overall box body, then install the stud bolts 4 in the mounting holes 14 to achieve the connection of the box bodies, then, by rotating the rotating ear 10, the column 8 will be driven to rotate, under the action of the external thread 12 and the internal thread 17, the column 8 will move, thereby driving the lifting plate 13 to move, and at the same time making the clamping plate 15 move, the clamping plate 15 will abut against the surface of the cable connector, to achieve the limited storage of the cable connector to avoid shaking, thereby, by adjusting the component 22, it is convenient to limit the storage of cables of different diameters;

[0030] When the lifting plate 13 moves, the spring 20 will be driven to move, and the spring 20 will drive the clamping plate 15 to contact the cable surface. With the continuous rotation of the column 8, the spring 20 will be compressed and the spring 20 will store elastic potential energy. At the same time, the rubber pad 21 will contact the upper surface of the clamping plate 15, thereby buffering the vibration and deviation of the cable and providing stability at the cable joint.

[0031] Embodiment 2: Based on Embodiment 1, the column 8 is located in the middle of the upper surface of the lifting plate 13, and two groups of guide rods 11 are provided. The two groups of guide rods 11 are symmetrically distributed about the column 8. A rotating ear 10 is fixed to the upper end of the column 8, and the external thread 12 and the internal thread 17 are adapted. The inner wall of the guide hole 18 and the outer wall of the guide rod 11 are slidably connected;

[0032] When in use, while the column 8 is rotated to drive the clamping plate 15 and the lifting plate 13 to move, the guide rod 11 slides correspondingly in the guide hole 18, thereby providing guidance and support for the movement of the lifting plate 13 and the clamping plate 15, thereby improving their stability.

[0033] Embodiment 3: On the basis of embodiment 2, a clamping groove 19 is provided on the inner surface of the sleeve end 7, and two groups of clamping grooves 19 are provided. The two groups of clamping grooves 19 are arranged away from the outer end of the sleeve end 7, and a clamping strip 23 is fixed on the surface of the sleeve rubber ring 6. The clamping strip 23 can be embedded in the clamping groove 19, and the outer wall of the sleeve rubber ring 6 and the inner wall of the sleeve end 7 are in contact with each other;

[0034] When in use, in order to achieve effective positioning of the socket end 7 for cables of different diameters, a snap-in groove 19 and a socket rubber ring 6 are provided, and the socket rubber rings 6 are provided with various wall thicknesses. When dealing with cables of different radii, the original socket rubber ring 6 is removed, and only the snap-in strip 23 needs to be taken out from the snap-in groove 19. Subsequently, the snap-in strip 23 of the new socket rubber ring 6 is embedded in the snap-in groove 19 to achieve installation, which is convenient for limiting the cables at both ends of the box body and improving the airtightness of the box body.

[0035] In actual use, first remove the stud bolts 4, separate the upper box body 1 and the lower box body 5, place the cable connector in the lower box body 5, so that the two sides of the cable connector are supported on the sleeve rubber ring 6, then place the upper box body 1 on the lower box body 5, so that the cable connector is located inside the overall box body, then install the stud bolts 4 in the mounting holes 14 to achieve the connection of the box bodies, then, by rotating the rotating ear 10, the column 8 will be driven to rotate, under the action of the external thread 12 and the internal thread 17, the column 8 will move, and then drive the lifting plate 13 to move, and at the same time make the clamping plate 15 move, the clamping plate 15 will abut the surface of the cable connector to achieve the cable The limited storage at the joint can avoid shaking. Therefore, by adjusting the component 22, it is convenient to limit the storage of cables of different diameters. When the lifting plate 13 moves, it will drive the spring 20 to move, and the spring 20 will drive the clamping plate 15 to contact the cable surface. With the continuous rotation of the column 8, the spring 20 will be compressed, and the spring 20 will store elastic potential energy. At the same time, the rubber pad 21 will contact the upper surface of the clamping plate 15, thereby buffering the vibration and deviation of the cable and providing stability at the cable joint. This avoids the problem that the traditional cable joint protective box has a fixed internal size, is not convenient for effective storage and protection of cables of different diameters, and has low practicality.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protection mechanism, characterized in that: The protection mechanism comprises: an upper box body (1) and a lower box body (5), wherein the upper box body (1) and the lower box body (5) are both provided with an adjustment assembly (22), upper side plates (2) are provided on both sides of the upper box body (1), and lower side plates (3) are provided on both sides of the lower box body (5), and mounting holes (14) are provided on the surfaces of the upper side plates (2) and the lower side plates (3), and sleeve ends (7) are provided at both ends of the upper box body (1) and the lower box body (5), and sleeve rubber rings (6) are provided in the sleeve ends (7), and guide holes (18) and through holes (16) are provided on the surfaces of the upper box body (1) and the lower box body (5), and internal threads (17) are provided in the through holes (16); A lifting plate (13) is provided with a clamping plate (15) below the lifting plate (13), a guide rod (11), a square plate (9) and a column (8) are provided below the lifting plate (13), a rubber pad (21) and a spring (20) are fixed on the lower surface of the lifting plate (13), the bottom of the spring (20) is fixedly connected to the clamping plate (15), one end of the guide rod (11) is fixedly connected to the lifting plate (13), the other end of the guide rod (11) is fixedly connected to the square plate (9), the column (8) is rotatably connected to the lifting plate (13) and the square plate (9), and an external thread (12) is provided on the surface of the column (8).

2. A protection mechanism according to claim 1, characterized in that: A plurality of the adjustment components (22) are provided, and the plurality of adjustment components (22) are equidistantly distributed on the surfaces of the upper box body (1) and the lower box body (5).

3. A protection mechanism according to claim 2, characterized in that: The adjusting assembly (22) comprises a clamping plate (15), a spring (20), a rubber pad (21), a lifting plate (13), a guide rod (11), a column (8), a square plate (9) and a rotating ear (10). The spring (20) is provided with two groups, and the two groups of springs (20) are symmetrically distributed about the central axis of the clamping plate (15). The rubber pad (21) is located in the middle of the lower surface of the lifting plate (13). The rubber pad (21) can abut against the upper surface of the clamping plate (15). The lifting plate (13) and the clamping plate (15) are both arranged in an arc shape.

4. A protection mechanism according to claim 3, characterized in that: The column (8) is located in the middle of the upper surface of the lifting plate (13), and two groups of guide rods (11) are provided. The two groups of guide rods (11) are symmetrically distributed about the column (8). A rotating ear (10) is fixed at the upper end of the column (8), and the external thread (12) and the internal thread (17) are adapted to each other.

5. A protection mechanism according to claim 4, characterized in that: The inner wall of the guide hole (18) and the outer wall of the guide rod (11) are slidably connected.

6. A protection mechanism according to claim 1, characterized in that: A stud bolt (4) is installed at the installation hole (14).

7. A protection mechanism according to claim 1, characterized in that: The inner surface of the sleeve end (7) is provided with a clamping groove (19), and the clamping groove (19) is provided with two groups. The two groups of clamping grooves (19) are arranged at the outer end away from the sleeve end (7). A clamping strip (23) is fixed on the surface of the sleeve rubber ring (6), and the clamping strip (23) can be embedded in the clamping groove (19). The outer wall of the sleeve rubber ring (6) and the inner wall of the sleeve end (7) are in contact with each other.

8. A low voltage flexible cable connection device, characterized in that: The protective device comprises the protective mechanism described in any one of claims 1 to 7.

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