CN220544685U - Explosion-proof box of convenient installation for cable switching - Google Patents

Abstract

The utility model discloses a convenient-to-install explosion-proof box for cable switching, which comprises a first protection box and a second protection box which are matched with each other, wherein the front side and the rear side of the bottom surface of the first protection box are respectively fixedly provided with a first connecting plate along the length direction of the first protection box, the front side and the rear side of the top surface of the second protection box are respectively provided with a second connecting plate matched with the first connecting plate, the middle part of the first connecting plate is provided with a trapezoid groove along the length direction of the first connecting plate, the top surface of the second connecting plate is fixedly provided with a trapezoid block matched with the trapezoid groove at the corresponding position of the trapezoid groove, the corners of the first connecting plate and the second connecting plate are respectively provided with a fastening bolt in a penetrating way, the end parts of the fastening bolts are also provided with locking nuts matched with the fastening bolts, and the trapezoid block is internally provided with a butt joint device tightly matched with the inner wall of the trapezoid groove. The utility model not only can conveniently and rapidly carry out the mounting or dismounting operation, but also can ensure the stability in the use process, thereby improving the use efficiency of the device.

Description

Explosion-proof box of convenient installation for cable switching

Technical Field

The utility model relates to the technical field of cable installation, in particular to a convenient and fast installation explosion-proof box for cable switching.

Background

After the cable is laid, the sections must be connected as a unit in order to form a continuous line, and these points of connection are called cable joints. Most of cables are buried underground at present, the working environment is poor, the cable joint is easy to generate fire striking, short circuit and even explosion due to aging in long-term use, so that economic and serious loss is caused, and the safety of personnel is even threatened.

When the traditional cable explosion-proof box is installed, a plurality of screws are required to be screwed on the surface of the traditional cable explosion-proof box in sequence for connection and fixation, so that time and labor are wasted when the traditional cable explosion-proof box is assembled or disassembled for rush repair, and therefore the traditional cable explosion-proof box is convenient to install for cable switching.

Disclosure of Invention

The utility model aims to overcome the technical defects and provide the explosion-proof box convenient to install for cable switching.

In order to solve the problems, the technical scheme of the utility model is as follows: the utility model provides an explosion-proof box of convenient installation for cable switching, includes first protection box and the second protection box that mutually support and use, both sides are fixed respectively along its length direction around the first protection box bottom surface and are equipped with first joint board, and both sides are equipped with respectively around the second protection box top surface with first joint board matched with second joint board, the trapezoidal channel has been seted up along its length direction in first joint board middle part, the trapezoidal piece rather than the looks adaptation is still fixed to be equipped with in trapezoidal channel correspondence department on the second joint board top surface, and first joint board and second joint board corner still wear respectively to be equipped with fastening bolt, still be equipped with the lock nut rather than looks adaptation on the fastening bolt tip, still be equipped with in the trapezoidal piece with trapezoidal channel inner wall tight fit's butt device.

Further, the butt device includes wedge, movable rod and butt seat the wedge cavity has been seted up to central point in the trapezoidal piece, but be equipped with the wedge of sliding from top to bottom in the wedge cavity, still seted up the installation cavity along its length direction on the wedge cavity inner wall corresponding with wedge both ends wedge, the installation intracavity wears to be equipped with the movable rod, still fixed being equipped with the clamp plate on the movable rod lateral surface that is close to the wedge cavity, and still being equipped with reset spring around being equipped with between clamp plate and installation cavity lateral wall on the movable rod lateral surface, the tip that the movable rod stretches out the installation cavity still is fixed to be equipped with the butt seat, the dovetail groove both ends inner wall still has seted up the cooperation groove rather than looks adaptation with the butt seat department, the internal thread hole has still been seted up in wedge central point department of trapezoidal piece top surface and link up with the wedge cavity mutually, and the internal thread hole still wears to be equipped with the adjusting bolt rather than looks adaptation.

Further, the end parts of the two moving rods extending into the wedge-shaped cavities are respectively provided with wedge-shaped surfaces matched with the wedge-shaped blocks.

Further, sliding grooves are formed in the inner walls of the front side and the rear side of the wedge-shaped cavity along the height direction of the wedge-shaped cavity, sliding blocks matched with the sliding grooves are arranged in the sliding grooves, and the opposite end parts of the two sliding blocks are fixedly connected to the end faces of the wedge-shaped blocks correspondingly.

Further, a sealing gasket is arranged at the contact part of the end surfaces of the first connecting plate and the second connecting plate.

Compared with the prior art, the utility model has the advantages that: through the cooperation of trapezoidal groove and trapezoidal piece that sets up and under the cooperation effect of wedge, carriage release lever and butt seat, can drive butt seat and cooperation groove under the cooperation effect of wedge and carriage release lever and carry out effectual cooperation to make its trapezoidal piece stable connection in the trapezoidal inslot, can be convenient and fast carry out effectual installation to the middle part of its first protection box and second protection box fixedly, the cooperation through fastening bolt and lock nut of corner can carry out quick installation or dismantlement operation to this device, thereby improve the installation effectiveness of device. The utility model not only can conveniently and rapidly carry out the mounting or dismounting operation, but also can ensure the stability in the use process, thereby improving the use efficiency of the device.

Drawings

Fig. 1 is a general structural view of the present utility model.

Fig. 2 is an internal structural view of the ladder block of the present utility model.

As shown in the figure: 1. a first protective case; 2. a second protective case; 3. a first connector plate; 4. a second connector plate; 5. a trapezoid groove; 6. a trapezoid block; 7. a fastening bolt; 8. a lock nut; 9. a wedge-shaped cavity; 10. wedge blocks; 11. a mounting cavity; 12. a moving rod; 13. a pressing plate; 14. a return spring; 15. a butt joint seat; 16. an adjusting bolt; 17. a chute; 18. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 2, an explosion-proof box convenient to install for cable switching, including first protection box 1 and second protection box 2 that mutually support and use, the front and back both sides are equipped with first joint board 3 along its length direction respectively before the bottom surface of first protection box 1, and the front and back both sides are equipped with the second joint board 4 with first joint board 3 matched with respectively before the top surface of second protection box 2, trapezoidal slot 5 has been seted up along its length direction in the middle part of first joint board 3, and trapezoidal slot 5 lower extreme opening size is greater than upper end opening size, still be fixed with the trapezoidal piece 6 rather than the looks adaptation in the department that corresponds of trapezoidal slot 5 on the top surface of second joint board 4, the cooperation of trapezoidal slot 5 and trapezoidal piece 6 can increase both's compactness at the in-process of connecting, and the first joint board 3 still wear to be equipped with fastening bolt 7 respectively with its looks locking nut 8 in the trapezoidal piece 6, still be equipped with the tight joint board with trapezoidal slot 5 inner wall matched with abutment device on the fastening bolt 7 tip, first joint board 3 and second joint board 4 contact with sealing pad department.

The butt device comprises a wedge block 10, a movable rod 12 and a butt seat 15, wherein a wedge cavity 9 is formed in the central position in the trapezoid block 6, the wedge block 10 capable of sliding up and down is arranged in the wedge cavity 9, a mounting cavity 11 is formed in the inner wall of the wedge cavity 9 corresponding to the wedge surfaces at two ends of the wedge block 10 along the length direction of the wedge cavity, the movable rod 12 is penetrated in the mounting cavity 11, a pressing plate 13 is fixedly arranged on the outer side face of the movable rod 12 close to the wedge cavity 9, a reset spring 14 is wound between the pressing plate 13 and the side wall of the mounting cavity 11 on the outer side face of the movable rod 12, after the external force is eliminated, the butt seat 15 and the end part of the wedge block 10, which can be rapidly reset, of the movable rod 12, extend out of the mounting cavity 11 under the action of the reset spring 14 are fixedly provided with the butt seat 15, the corresponding parts of the inner walls at two ends of the trapezoid groove 5 and the butt seat 15 are also provided with matching grooves which are matched with the wedge cavity 9, the inner threaded holes are also formed in the central position of the trapezoid block 6, the inner side faces of the wedge block 10 are also penetrated through the wedge cavity 9, the inner threaded holes are also matched with the wedge bolts 16 which are also penetrated through the inner threaded holes, and the two wedge bolts 16 which are matched with the wedge bolts 12 are respectively extend into the two wedge blocks 10.

Slide grooves 17 are further formed in the inner walls of the front side and the rear side of the wedge-shaped cavity 9 along the height direction, sliding blocks 18 matched with the slide grooves are arranged in the slide grooves 17, opposite end portions of the two sliding blocks 18 are fixedly connected to the end faces of the wedge-shaped block 10 correspondingly, and the slide grooves 17 and the sliding blocks 18 are matched to ensure the stability of the up-and-down movement of the wedge-shaped block 10.

In specific use, after the end butt joint of two cable lines is accomplished, put the lateral surface of butt joint department into second protection box 2 earlier, then in the top with first protection box 1 joint at second protection box 2, in the in-process of joint, make its butt groove 5 and butt piece 6 cooperate, then wear in proper order respectively in the corner of first joint board 3 and second joint board 4 and establish fastening bolt 7, under lock nut 8 complex effect, make its first joint board 3 and second joint board 4 carry out close fit, finally screw in internal thread hole with adjusting bolt 16, drive wedge 10 and move down in the in-process of adjusting bolt 16 downwardly moving, carry out the back to back and remove at the movable rod 12 that drives both ends, simultaneously drive butt seat 15 at both ends and carry out the back to move, make it carry out fastening fit with the mating groove at trapezoidal groove 5 inner wall both ends, thereby the compactness that trapezoidal piece 6 and trapezoidal groove 5 connect has been increased, can carry out the fixed connection to the middle part of first box body 1 and second box body 2 effectively, thereby the efficiency of installing through a plurality of traditional modes of fixing the device has been avoided.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (5)

1. The utility model provides a cable switching is with convenient installation explosion-proof box, includes first protection box (1) and second protection box (2) that mutually support the use, both sides are equipped with first joint board (3) along its length direction is fixed respectively around first protection box (1) bottom surface, and both sides are equipped with respectively around second protection box (2) top surface with first joint board (3) matched with second joint board (4), its characterized in that: the middle part of the first connecting plate (3) is provided with a trapezoid groove (5) along the length direction, a trapezoid block (6) matched with the trapezoid groove is further fixedly arranged on the top surface of the second connecting plate (4) at the corresponding position of the trapezoid groove (5), fastening bolts (7) are respectively arranged at corners of the first connecting plate (3) and the second connecting plate (4), locking nuts (8) matched with the fastening bolts are further arranged at the end parts of the fastening bolts (7), and a butt joint device tightly matched with the inner wall of the trapezoid groove (5) is further arranged in the trapezoid block (6).

2. The portable mounting explosion-proof box for cable transit of claim 1, wherein: the butt joint device comprises a wedge block (10), a movable rod (12) and a butt joint seat (15), wherein a wedge cavity (9) is formed in the central position in the trapezoid block (6), the wedge block (10) capable of sliding up and down is arranged in the wedge cavity (9), a mounting cavity (11) is formed in the inner wall of the wedge cavity (9) corresponding to the wedge faces at the two ends of the wedge block (10) along the length direction of the wedge cavity, the movable rod (12) is arranged in the mounting cavity (11) in a penetrating manner, a pressing plate (13) is fixedly arranged on the outer side face of the movable rod (12) close to the wedge cavity (9), a reset spring (14) is arranged between the pressing plate (13) and the side wall of the mounting cavity (11) on the outer side face of the movable rod (12), the butt joint seat (15) is fixedly arranged at the end part of the movable rod (12), the inner wall at the two ends of the trapezoid groove (5) is also provided with a matching groove which is matched with the butt joint seat (15), the wedge block (6) is also provided with a threaded hole (16) corresponding to the central position of the wedge block (10), and the threaded hole (16) is also arranged in the wedge block and is also provided with a threaded hole (16) which is matched with the wedge bolt.

3. The portable mounting explosion-proof box for cable transit of claim 2, wherein: the end parts of the two moving rods (12) extending into the wedge-shaped cavities (9) are respectively provided with wedge-shaped surfaces matched with the wedge-shaped blocks (10).

4. A portable mounting explosion-proof box for cable transit according to any one of claims 2 or 3, wherein: sliding grooves (17) are further formed in the inner walls of the front side and the rear side of the wedge-shaped cavity (9) along the height direction of the sliding grooves, sliding blocks (18) matched with the sliding grooves are arranged in the sliding grooves (17), and opposite end parts of the two sliding blocks (18) are fixedly connected to the end faces of the wedge-shaped blocks (10) correspondingly.

5. The portable mounting explosion-proof box for cable transit of claim 1, wherein: the end surface contact part of the first connecting plate (3) and the second connecting plate (4) is also provided with a sealing gasket.