CN216872772U

CN216872772U - Three-way explosion-proof junction box with lead wire mechanism

Info

Publication number: CN216872772U
Application number: CN202123269134.8U
Authority: CN
Inventors: 朱占勋
Original assignee: Hengshui Yongyuan Explosion Proof Electric Appliance Co ltd
Current assignee: Hengshui Yongyuan Explosion Proof Electric Appliance Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-01
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to the technical field of junction boxes, in particular to a three-way explosion-proof junction box with a lead mechanism, which comprises a three-way explosion-proof junction box, wherein an end cover is fixedly covered at the upper end of the three-way explosion-proof junction box, lead tube inserting holes are formed in three side surfaces of the three-way explosion-proof junction box, lead tube inserting sleeves are fixedly arranged at the outer end openings of the lead tube inserting holes, four connecting holes are uniformly formed in the circumference of each lead tube inserting sleeve, the lead tube inserting sleeves are arranged on the outer sides of the lead tube inserting holes of the three-way explosion-proof junction box, a lead tube clamping device is arranged inside each lead tube inserting sleeve, the lead tubes cannot shake in the lead tube inserting sleeves under the action of the lead tube clamping device to fix the lead tubes, the later-period wiring and the installation of the junction box cannot be influenced, the working efficiency is improved, and in addition, when the lead tube clamping is carried out, only a first top frame and a second top frame need to be oppositely extruded It is fast.

Description

Three-way explosion-proof junction box with lead wire mechanism

Technical Field

The utility model relates to the technical field of junction boxes, in particular to a three-way explosion-proof junction box with a lead mechanism.

Background

Three lead tube spliced holes are formed in the three-way explosion-proof junction box and used for guiding lead tubes to be spliced in the junction box so that wires can be spliced in the junction box, the three-way explosion-proof junction box in the prior art adopts the mode to guide the wires to the inside of the junction box, and certain problems exist in the actual use process, the diameters of the lead tubes of different diameters are set to be larger in the lead tube spliced holes in the three-way explosion-proof junction box, so that the lead tubes can shake to influence the connection of the wires inside the junction box or the installation of the junction box when the lead tubes are connected or the installation of the junction box due to the fact that no lead tube fixing device is arranged after the lead tubes are inserted into the lead tube spliced holes, and further the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a three-way explosion-proof junction box with a lead mechanism, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a take explosion-proof terminal box of tee bend of lead wire mechanism, includes the explosion-proof terminal box of tee bend, the fixed cover in upper end of the explosion-proof terminal box of tee bend has the end cover, and has all seted up the lead tube spliced eye on the three side of the explosion-proof terminal box of tee bend, the outer port department of lead tube spliced eye is fixed and is provided with lead tube plug bush, four connecting holes have evenly been seted up to the circumference on the lead tube plug bush, the tight fixing device of lead tube clamp has been pegged graft in the connecting hole, the bilateral symmetry integrated into one piece of lead tube plug bush is provided with the fixed plate, the through-hole has been seted up on the fixed plate, and installs on the fixed plate and press from both sides tight fixing device drive arrangement.

Preferably, the lead tube clamping and fixing device comprises a clamping plate, a curved surface matching block and a spring, wherein the front end surface of the clamping plate is an arc curved surface, the rear end surface of the clamping plate is fixedly provided with a connecting rod, and the connecting rod is provided with a threaded hole and is inserted into the connecting hole.

Preferably, the upper end face of the curved surface matching block is an arc curved surface, a threaded column is arranged at the lower end of the curved surface matching block, the threaded column is connected in a threaded hole in the connecting rod in a threaded mode, the curved surface matching block is located on the outer side of the lead pipe inserting sleeve, a spring is sleeved on the connecting rod, and the spring is located on the outer side of the lead pipe inserting sleeve.

Preferably, press from both sides tight fixing device drive arrangement and include first roof-rack and second roof-rack, the fixed top of being provided with of symmetry about the front end of first roof-rack presss from both sides, and fixedly on the rear end face of first roof-rack is provided with the guide post, the guide post plug-in just the bilateral symmetry welded fastening of guide post has the location flexure strip in the through-hole.

Preferably, a top column is fixedly welded between the top clamps, the top clamps are respectively contacted with the curved surface matching blocks at the upper end and the lower end, and the top column is contacted with the curved surface matching block at one end in the horizontal direction.

Preferably, the front end of the second top frame is symmetrically and fixedly provided with a top plate, the top plate is also contacted with the curved surface matching blocks at the upper end and the lower end, the top plate is inserted into the groove on the top clamp, the rear end of the second top frame is also welded and fixed with a guide post, the guide post is also symmetrically welded and fixed with a positioning elastic sheet, the guide post is inserted into a through hole on the fixing plate at the other side, the front end of the second top frame is also welded and fixed with a top post, and the top post on the second top frame is contacted with the curved surface matching block at the other end in the horizontal direction.

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

through this technical scheme's practicality, set up the lead wire pipe plug bush in the outside of tee bend anti-riot terminal box lead wire pipe spliced eye, inside at the lead wire pipe plug bush is provided with lead wire pipe clamping device, make the lead wire pipe can not take place to rock in the lead wire pipe plug bush under lead wire pipe clamping device's effect and play the fixed effect of lead wire pipe, make the wiring in later stage and the installation of terminal box can not receive the influence and improved work efficiency, in addition only need first roof-rack of extrusion and second roof-rack in opposite directions very convenient quick when carrying out lead wire pipe clamp fastening.

Drawings

FIG. 1 is an exploded view of a three-way explosion-proof junction box assembly;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic structural view of a three-way explosion-proof junction box.

In the figure: 1. a three-way explosion-proof junction box; 11. the lead tube is inserted and connected with the sleeve; 111. connecting holes; 12. a fixing plate; 121. a through hole; 2. an end cap; 3. a first top frame; 31. jacking and clamping; 4. a second head frame; 41. a top plate; 5. a splint; 51. a curved surface mating block; 52. a spring; 6. a guide post; 61. positioning the elastic sheet; 7. and (7) a top column.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides a take explosion-proof terminal box of tee bend of pin mechanism, including the explosion-proof terminal box 1 of tee bend, the fixed cover in upper end of the explosion-proof terminal box 1 of tee bend has end cover 2, and all seted up the pin tube spliced eye on the three side of the explosion-proof terminal box 1 of tee bend, the fixed pin tube plug bush 11 that is provided with of outer port department of pin tube spliced eye, four connecting holes 111 have evenly been seted up to the circumference on the pin tube plug bush 11, it includes splint 5 to peg graft tight fixing device of pin tube clamp and pin tube clamp in connecting hole 111, curved surface cooperation piece 51 and spring 52, the preceding terminal surface of splint 5 is the fixed connecting rod that is provided with on the rear end face of circular arc curved surface and splint 5, set up threaded hole and connecting rod on the connecting rod and peg graft in connecting hole 111, the rear end face of splint 5 contacts with the internal surface of pin tube plug bush 11 under the non-operation state.

The upper end face of the curved surface matching block 51 is an arc curved surface, a thread column is arranged at the lower end of the curved surface matching block 51, the thread column is connected to a thread hole in a connecting rod in a threaded mode, the curved surface matching block 51 is located on the outer side of the lead tube inserting sleeve 11, a spring 52 is sleeved on the connecting rod, the spring 52 is located on the outer side of the lead tube inserting sleeve 11, the spring 52 is located between the lower end of the curved surface matching block 51 and the outer portion of the lead tube inserting sleeve 11, and the spring 52 is in a compression state in a working state.

The two sides of the lead tube inserting sleeve 11 are symmetrically and integrally provided with fixing plates 12, the fixing plates 12 are provided with through holes 121, and the fixed plate 12 is provided with a clamping and fixing device driving device which comprises a first top frame 3 and a second top frame 4, top clamps 31 are symmetrically and fixedly arranged at the upper part and the lower part of the front end of the first top frame 3, and the rear end face of the first top frame 3 is fixedly provided with a guide post 6, the guide post 6 is inserted in the through hole 121, and the two sides of the guide post 6 are symmetrically welded and fixed with positioning elastic sheets 61, in addition, a top column 7 is welded and fixed between the top clamps 31, the top clamps 31 are respectively contacted with the curved surface matching blocks 51 at the upper end and the lower end, the top column 7 is contacted with the curved surface matching block 51 at one end in the horizontal direction, in the inoperative state, the rear end face of the first upper frame 3 contacts the end face of the fixed plate 12 close to the lead tube insertion sleeve 11 and the positioning spring plate 61 is partially inserted into the through hole 121.

The front end of the second top frame 4 is symmetrically and fixedly provided with a top plate 41, the top plate 41 is also contacted with curved surface matching blocks 51 at the upper end and the lower end, the top plate 41 is inserted in the groove on the top clamp 31, the rear end of the second top frame 4 is also welded and fixed with a guide post 6, the guide post 6 is also symmetrically welded and fixed with a positioning elastic sheet 61, the guide post 6 is inserted in a through hole 121 on the fixing plate 12 at the other side, the front end of the second top frame 4 is also welded and fixed with a top post 7, the top post 7 on the second top frame 4 is contacted with the curved surface matching block 51 at the other end in the horizontal direction, the width of the second top frame 4 is less than that of the first top frame 3, the width of the second top frame 4 is equal to the groove width on the top clamp 31, the central line of the guide post 6 on the first top frame 3 is aligned with the central line of the guide post 6 on the second top frame 4 in the position relation, in addition, the top clamp 31 and the top plate 41 both have certain inclination, as shown in fig. 2, the top plate 41 is in contact with the curved surface engaging blocks 51 at the upper and lower ends, respectively, and the positioning elastic piece 61 at the rear end of the second top frame 4 is inserted into the through hole 121 in the non-operating state, and the rear end surface of the second top frame 4 is also in contact with the end surface of the fixing plate 12 close to the lead tube insertion sleeve 11.

When the device works, a lead tube is inserted into a lead tube insertion sleeve 11, then a first top frame 3 and a second top frame 4 at two sides of the lead tube insertion sleeve 11 are pushed in opposite directions until a positioning elastic sheet 61 on a guide post 6 at the rear end of the first top frame 3 and the second top frame 4 completely crosses a fixed plate 12, then the positioning elastic sheets are spread and clamped on the end surface, close to the lead tube insertion sleeve 11, of the fixed plate 12 under the action of elastic force, so that a top post 7 moves along with the movement of the first top frame 3 and the second top frame 4 to push a curved surface matching block 51 in the horizontal direction to move, further, a clamping plate 5 in the horizontal direction fastens the lead tube from two sides, meanwhile, curved surface matching blocks 51 which push against the upper end and the lower end of the lead tube insertion sleeve 11 move in opposite directions under the action of a top clamp 31 and a top plate 41, further, the clamping plates 5 at the upper end and the lower end of the lead tube insertion sleeve 11 move in opposite directions to clamp the lead tube from the upper end and the lower end, like this from four azimuths with the lead wire pipe clamp fastening fixed, guaranteed the steadiness of lead wire pipe and can not take place the phenomenon of rocking in the course of the work, will fix a position the flexure strip 61 extrusion in opposite directions when the lead wire pipe needs to be released, then make first roof-rack 3 and second roof-rack 4 move to the home position and fix a position the flexure strip 61 and peg graft splint 5 in the through-hole 121 once more and release the lead wire pipe under the effect of spring 52.

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 alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take explosion-proof terminal box of tee bend of lead wire mechanism, includes explosion-proof terminal box of tee bend (1), its characterized in that: the fixed cover in upper end of tee bend anti-riot terminal box (1) has end cover (2), and has all seted up lead tube spliced eye on the three side of tee bend anti-riot terminal box (1), the outer port department of lead tube spliced eye is fixed and is provided with lead tube plug bush (11), four connecting holes (111) have evenly been seted up to the circumference on lead tube plug bush (11), it presss from both sides tight fixing device to peg graft the lead tube in connecting hole (111), the bilateral symmetry integrated into one piece of lead tube plug bush (11) is provided with fixed plate (12), through-hole (121) have been seted up on fixed plate (12), and install on fixed plate (12) and press from both sides tight fixing device drive arrangement.

2. The three-way explosion-proof junction box with the lead mechanism as claimed in claim 1, wherein: the lead pipe clamp fastening and fixing device comprises a clamping plate (5), a curved surface matching block (51) and a spring (52), wherein the front end face of the clamping plate (5) is an arc curved surface, a connecting rod is fixedly arranged on the rear end face of the clamping plate (5), and a threaded hole is formed in the connecting rod, and the connecting rod is inserted into the connecting hole (111).

3. The three-way explosion-proof junction box with the lead mechanism as claimed in claim 2, wherein: the utility model discloses a lead wire pipe plug bush, including curved surface cooperation piece (51), curved surface cooperation piece (51) and spring (52), the up end of curved surface cooperation piece (51) is the lower extreme of circular arc curved surface and curved surface cooperation piece (51) is provided with the screw thread post, screw thread post threaded connection is in the screw hole on the connecting rod, curved surface cooperation piece (51) are in the outside of lead wire pipe plug bush (11), cup jointed spring (52) on the connecting rod, spring (52) are in the outside of lead wire pipe plug bush (11).

4. The three-way explosion-proof junction box with the lead mechanism as claimed in claim 1, wherein: the clamping and fixing device driving device comprises a first top frame (3) and a second top frame (4), top clamps (31) are symmetrically and fixedly arranged at the upper end and the lower end of the front end of the first top frame (3), guide columns (6) are fixedly arranged on the rear end face of the first top frame (3), the guide columns (6) are inserted into through holes (121), and positioning elastic sheets (61) are symmetrically welded and fixed on the two sides of the guide columns (6).

5. The three-way explosion-proof junction box with the lead mechanism as claimed in claim 4, wherein: a top column (7) is fixedly welded between the top clamps (31), the top clamps (31) are respectively contacted with curved surface matching blocks (51) at the upper end and the lower end, and the top column (7) is contacted with the curved surface matching block (51) at one end in the horizontal direction.

6. The three-way explosion-proof junction box with the lead mechanism as claimed in claim 4, wherein: the front end of the second top frame (4) is symmetrically and fixedly provided with a top plate (41), the top plate (41) is also in contact with curved surface matching blocks (51) at the upper end and the lower end, the top plate (41) is inserted into a groove in the top clamp (31), the rear end of the second top frame (4) is also welded and fixed with a guide column (6), a positioning elastic sheet (61) is also symmetrically welded and fixed on the guide column (6), the guide column (6) is inserted into a through hole (121) in a fixing plate (12) on the other side, the front end of the second top frame (4) is also welded and fixed with a top column (7), and the top column (7) on the second top frame (4) is in contact with the curved surface matching block (51) at the other end in the horizontal direction.