CN219717805U - Explosion-proof threading box convenient to change - Google Patents

Abstract

The utility model discloses an explosion-proof threading box convenient to replace, which comprises a shell, a second threading pipe and a self-locking mechanism, wherein the side surface of the shell is provided with at least two first threading pipes, the top of the shell is provided with a notch and is in contact with the first threading pipes, the two sides of the notch are provided with supporting blocks, the second threading pipe is arranged at the notch and is in contact with the first threading pipes, the end surface of the second threading pipe is provided with a first extending block, the two sides of the outer wall of the first extending block are provided with a second extending block, the lower end of the second extending block is provided with a buckling position, and the self-locking mechanism is fixedly arranged on the side wall of the supporting block and is arranged at the buckling position. According to the utility model, the self-locking mechanism of the supporting block is operated to separate the self-locking mechanism from the buckling position, the first spring releases the counter force, the second wire inlet pipe is separated from the first wire inlet pipe, and the cable can be directly separated from the shell, so that the product has the advantages of convenience in replacement, convenience in operation, capability of improving the dismounting time and the like.

Description

Explosion-proof threading box convenient to change

Technical Field

The utility model relates to the technical field of threading boxes, in particular to an explosion-proof threading box convenient to replace.

Background

The explosion-proof threading box is an explosion-proof tool used in the external dangerous occasion, is suitable for the explosive dangerous environments such as petroleum extraction, storage, chemical industry, medicine, military industry and military facilities, the junction surface of the threading box main body and the sealing cover is sealed by rubber, the sealing performance is good, the waterproof performance is extremely strong, the explosion-proof threading box is characterized in that when a line is laid or a cable is turned, the length of the line exceeds the specified length, or when the line is uneven or a pipeline cannot be flat, a box is needed to be added in an extra place to protect the cable from being damaged.

When the explosion-proof threading box reaches the damage standard or needs to be replaced, the cables need to be disconnected with the equipment, and all cables in the explosion-proof threading box are pulled out to replace the explosion-proof threading box, so that the normal operation of the equipment can be influenced, the disassembly and assembly time can be influenced, the cables are easy to be entangled with adjacent cables, and the cables which are normal are connected nearby are interfered.

The inventors have thus devised an advantageous design to find a solution to the above-mentioned problems, and the technical solutions described below are created in this context.

Disclosure of Invention

The utility model aims to overcome the defects of the traditional explosion-proof threading box design, and provides a product which is convenient to replace, convenient to operate and capable of improving the disassembly and assembly time.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides an explosion-proof threading box convenient to change, includes casing, second inlet tube, self-locking mechanical system, the side of casing is equipped with two at least first inlet tubes, the casing top is equipped with the breach, and with first inlet tube contact, the both sides of breach are equipped with the supporting shoe, the second inlet tube sets up in the breach, and with first inlet tube contact, the terminal surface of second inlet tube is equipped with first extension piece, the outer wall both sides of first extension piece are equipped with the second extension piece, the lower extreme of second extension piece is equipped with detains the position, self-locking mechanical system installs and fixes the lateral wall at the supporting shoe, and sets up in detaining the position.

Preferably, sealing grooves are further formed in two sides of the notch, a yielding groove is formed in the top of the first extending block and the top of the shell, a third extending block is arranged at the bottom of the first extending block and is arranged in the sealing groove, and sealing strips are arranged on the side wall of the sealing groove and the side wall of the yielding groove.

Preferably, the top outer wall of casing is equipped with a plurality of first mounting holes, the casing top is equipped with the end cover, the end cover is equipped with the lug, and sets up in the recess of stepping down, the outer wall of end cover is equipped with the through-hole that corresponds first mounting hole, the through-hole is equipped with the bolt, makes end cover and casing connection fixed, the lateral wall of casing bottom is equipped with two at least second mounting holes.

Preferably, the two sides of the first wire inlet pipe are provided with first extending parts, the first extending parts are provided with first grooves, the two sides of the second wire inlet pipe are provided with second extending parts which are in contact with the first extending parts, the second extending parts are provided with sealing blocks and are arranged in the first grooves, sealing strips are arranged between the sealing blocks and the first grooves, and handles are arranged at the tops of the second wire inlet pipes.

Preferably, the top of supporting shoe is equipped with keeps away a recess, the bottom of keeping away a recess is equipped with the hollow post, the lateral wall of supporting shoe is equipped with movable groove, movable groove is equipped with spacing through-hole, the terminal surface of spacing through-hole is equipped with spacing post.

Preferably, the outer wall of the second extension block is provided with a top block and is arranged in the avoidance groove, the top block is provided with a cylinder, the end face of the cylinder is provided with a blind hole and is arranged on a hollow column, and the hollow column is provided with a first spring and acts on the blind hole.

Preferably, the self-locking mechanism comprises button, second spring, third spring, the button is equipped with the ejector pin, the terminal surface of ejector pin is equipped with the buckle piece, the ejector pin is equipped with the backing ring, ejector pin, spacing through-hole's shape sets up to square, the third spring is installed and is fixed at spacing through-hole's terminal surface, and acts on the button, the second spring is installed and is fixed at movable through-hole, and acts on the backing ring, makes the buckle piece protrusion in movable through-hole, and sets up in the knot position.

Preferably, the initial contact part of the buckling position and the buckling block is provided with a chamfer.

The beneficial effects are that:

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

according to the utility model, the button of the supporting block is applied with pressure to enable the buckling block to leave the buckling position, the first spring releases counterforce to drive the second wire inlet pipe to be separated from the first wire inlet pipe, the second wire inlet pipe is sequentially removed according to the steps, at the moment, a user can directly take out the cable from the notch, the problem that the cable needs to be disconnected with equipment and all cables in the explosion-proof threading box are pulled out to replace the explosion-proof threading box is solved, and when the second wire inlet pipe is installed, the buckling position is only required to be directly inserted into the sealing groove after the buckling position is aligned with the sealing groove, the buckling block is extruded to retract to the movable groove until the buckling position reaches the designated position, the third spring releases counterforce to push the buckling block to extend out of the movable groove and prop against the buckling position, so that the second wire inlet pipe is prevented from being separated, the installation of a user is facilitated, and the explosion-proof threading box can be replaced without using other tools, and the explosion-proof threading box has the advantages of being convenient to replace, convenient to operate and the time to be assembled and disassembled.

Drawings

FIG. 1 is a schematic view of an explosion-proof threading box of the present utility model for easy replacement;

FIG. 2 is a top view showing the internal structure of a casing of the explosion-proof threading box which is convenient to replace;

FIG. 3 is a schematic side sectional view of an explosion-proof threading box of the present utility model for easy replacement;

FIG. 4 is an enlarged view of a detail A of the explosion-proof threading box of FIG. 3 for easy replacement in accordance with the present utility model;

FIG. 5 is a schematic diagram of an end cap structure of an explosion-proof threading box of the present utility model for easy replacement;

FIG. 6 is a schematic view of a second inlet pipe of the explosion-proof threading box of the present utility model for easy replacement;

FIG. 7 is a schematic view of a casing structure of an explosion-proof threading box of the present utility model for easy replacement;

the correspondence between the reference numerals and the component names in the drawings is as follows:

reference numerals: 1. a housing; 2. a second inlet tube; 3. a self-locking mechanism; 4. a sealing strip; 5. a relief groove; 6. an end cap; 7. chamfering;

11. a first inlet tube; 12. a notch; 13. a support block; 14. sealing the groove; 15. a first mounting hole; 16. a second mounting hole;

21. a first extension block; 22. a second extension block; 23. a third extension block; 24. a second extension; 25. a handle;

31. a button; 32. a second spring; 33. a third spring; 34. a push rod; 35. a buckle block; 36. a baffle ring;

61. a bump; 62. a through hole; 63. a bolt;

111. a first extension; 112. a first groove;

131. a clearance groove; 132. a hollow column; 133. a movable groove; 134. limiting through holes; 135. a limit column; 136. a first spring;

221. a buckling position; 222. a top block; 223. a cylinder; 224. a blind hole;

241. and a sealing block.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. 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.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 7, an explosion-proof threading box convenient for replacement comprises a casing 1, a second wire inlet pipe 2 and a self-locking mechanism 3, wherein at least two first wire inlet pipes 11 are arranged on the side surface of the casing 1, a notch 12 is arranged at the top of the casing 1 and is in contact with the first wire inlet pipes 11, supporting blocks 13 are arranged on two sides of the notch 12, the second wire inlet pipe 2 is arranged at the notch 12 and is in contact with the first wire inlet pipes 11, a first extension block 21 is arranged on the end surface of the second wire inlet pipe 2, a second extension block 22 is arranged on two sides of the outer wall of the first extension block 21, a buckling position 221 is arranged at the lower end of the second extension block 22, and the self-locking mechanism 3 is fixedly arranged on the side wall of the supporting blocks 13 and is arranged at the buckling position 221;

it should be noted that, the two sides of the notch 12 are also provided with sealing grooves 14, the top of the first extending block 21 and the top of the shell 1 are provided with giving way grooves 5, the bottom of the first extending block 21 is provided with a third extending block 23 and is arranged on the sealing grooves 14, the side wall of the sealing groove 14 and the side wall of the giving way grooves 5 are provided with sealing strips 4, the sealing grooves 14 are matched with the third extending blocks 23 for use, one of the sealing strips can guide the installation of the second wire inlet tube 2, and the other sealing strip 4 can strengthen the connection tightness of the second wire inlet tube 2 and the notch 12, the giving way grooves 5 are matched with the protruding blocks 61 for use, and the sealing strips 4 improve the tightness between the connection of the components;

it should be noted that, the top outer wall of the casing 1 is provided with a plurality of first mounting holes 15, the top of the casing 1 is provided with an end cover 6, the end cover 6 is provided with a bump 61 and is arranged in the abdication groove 5, the outer wall of the end cover 6 is provided with a through hole 62 corresponding to the first mounting holes 15, the through hole 62 is provided with a bolt 63, the end cover 6 is fixedly connected with the casing 1, the side wall of the bottom of the casing 1 is provided with at least two second mounting holes 16, the first mounting holes 15 are matched with the through hole 62 for use, the bump 61 is matched with the abdication groove 5 for use, and due to the adoption of an embedded mode, the tightness of the connection between the casing 1 and the end cover 6 can be improved, meanwhile, the connection stability of the second inlet pipe 2 and the first inlet pipe 11 and the casing 1 is enhanced after the end cover 6 is fixed, and the second mounting holes 16 are convenient for mounting and fixing the casing 1;

it should be noted that, the first extension portion 111 is provided at two sides of the first inlet tube 11, the first extension portion 111 is provided with the first groove 112, the second extension portion 24 is provided at two sides of the second inlet tube 2 and contacts with the first extension portion 111, the second extension portion 24 is provided with the sealing block 241 and is disposed in the first groove 112, the sealing block 241 is provided with the sealing strip 4 between the first groove 112, the top of the second inlet tube 2 is provided with the handle 25, the first extension portion 111 is matched with the first groove 112 for use, the second extension portion 24 is matched with the sealing block 241 for use, the sealing strip 4 is adopted between the first groove 112 and the sealing block 241, the sealing performance between the first inlet tube 11 and the second inlet tube 2 is improved, the gap is avoided between the first extension portion 111 and the second extension portion 24, and the handle 25 is convenient for the user to take the second inlet tube 2;

it should be noted that, the top of the supporting block 13 is provided with a position avoiding groove 131, the bottom of the position avoiding groove 131 is provided with a hollow column 132, the side wall of the supporting block 13 is provided with a movable groove 133, the movable groove 133 is provided with a limiting through hole 134, the end surface of the limiting through hole 134 is provided with a limiting column 135, the position avoiding groove 131 is matched with the top block 222 for use, the hollow column 132 is matched with the first spring 136 for use, the movable groove 133 plays a supporting role for the third spring 33, meanwhile, a space for accommodating the buckle block 35 is provided, the limiting through hole 134 is matched with the ejector rod 34 for use, and the limiting column 135 not only plays a role in limiting the movement space of the button 31, but also serves as an accommodating space for the second spring 32 during compression;

it should be noted that, the outer wall of the second extension block 22 is provided with a top block 222 and is arranged at the avoidance groove 131, the top block 222 is provided with a cylinder 223, the end surface of the cylinder 223 is provided with a blind hole 224 and is arranged at the hollow column 132, the hollow column 132 is provided with a first spring 136 and acts on the blind hole 224, the top block 222 is matched with the avoidance groove 131 to guide the hollow column 132 and the blind hole 224 to be in correct position alignment, and the acting force of the first spring 136 is transmitted to the top block 222 through the blind hole 224, so that the second wire inlet tube 2 can be ensured to be separated into uniform acting force;

it should be noted that, the self-locking mechanism 3 is composed of a button 31, a second spring 32 and a third spring 33, the button 31 is provided with a push rod 34, the end face of the push rod 34 is provided with a buckle block 35, the push rod 34 is provided with a baffle ring 36, the shape of the push rod 34 and a limit through hole 134 is square, the third spring 33 is fixedly arranged on the end face of the limit through hole 134 and acts on the button 31, the second spring 32 is fixedly arranged on a movable through hole 62 and acts on the baffle ring 36, the buckle block 35 protrudes from the movable through hole 62 and is arranged at a buckle position 221, the button 31 is convenient for a user to apply pressure to the button, the shape of the push rod 34 and the limit through hole 134 is square, the baffle ring 36 absorbs the acting force of the second spring 32 and is conducted to the push rod 34, the third spring 33 limits the extending distance of the buckle block 35, and enables the button 31 to reset after being used;

it should be noted that, the initial contact positions of the buckling position 221 and the buckling block 35 are provided with a chamfer 7, and the chamfer 7 is helpful for reducing friction between the buckling position 221 and the buckling block 35, improving the installation smoothness and avoiding blocking.

The principle of use of the utility model will now be described as follows:

when the explosion-proof threading box needs to be dismantled, the bolt 63 and the end cover 6 are dismounted firstly, the cable in the shell 1 is exposed in the sight, a user can apply pressure to the button 31 on the side wall of the supporting block 13 by one hand, the button 31 moves towards the limit post 135, the third spring 33 is in an energy storage state, the second spring 32 releases counter force to act on the baffle ring 36, the speed of the push rod 34 and the push buckle block 35 stretching out is accelerated until the button 31 is attached to the limit post 135, the push rod 34 and the push buckle block 35 stop moving, at the moment, the push buckle block 35 leaves the position 221 of the buckle, the first spring 136 releases the force to push the second wire inlet pipe 2 to be separated from the shell 1 and the first wire inlet pipe 11, and the buckle leaves the position of the push buckle block 35 to move, at the moment, the user can release the force applied to the button 31, the third spring 33 releases the force to reset the button 31, the push rod 34 and the push buckle block 35, the second spring 32 is in a state, the user takes the second wire inlet pipe 2 by the handle 25, and takes the second wire inlet pipe 2 in sequence according to the steps, the explosion-proof threading box is separated from the cable, and the explosion-proof threading box is convenient and easy to disassemble.

When the cable is placed in the new explosion-proof threading box, after the third extension block 23 is aligned with the sealing groove 14 through the handle 25, a user applies pressure to the second wire inlet pipe 2, the blind hole 224 is matched with the hollow cylinder 223, the blind hole 224 applies pressure to the first spring 136, the first spring 136 is in an energy storage state, the chamfer 7 of the buckle pushes the buckle block 35 to enter the movable groove 133, the energy storage strength of the second spring 32 is improved until the buckle reaches a designated position, the resistance applied to the buckle block 35 by the buckle disappears, the second spring 32 releases a counterforce to quickly push the buckle block 35 to be in contact with the buckle, the second wire inlet pipe 2 is prevented from being separated from the shell 1 and the first wire inlet pipe 11, and finally the end cover 6 is installed, so that the installation convenience and the installation time are improved.

Through the design scheme, the product can be conveniently replaced, the operation is convenient and fast, and the disassembly and assembly time is prolonged.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (8)

1. An explosion-proof threading box convenient to change, its characterized in that: including casing (1), second inlet tube (2), self-locking mechanism (3), the side of casing (1) is equipped with two at least first inlet tube (11), casing (1) top is equipped with breach (12), and with first inlet tube (11) contact, the both sides of breach (12) are equipped with supporting shoe (13), second inlet tube (2) set up in breach (12), and with first inlet tube (11) contact, the terminal surface of second inlet tube (2) is equipped with first extension piece (21), the outer wall both sides of first extension piece (21) are equipped with second extension piece (22), the lower extreme of second extension piece (22) is equipped with detains position (221), self-locking mechanism (3) installs to be fixed in the lateral wall of supporting shoe (13), and sets up in detaining position (221).

2. The explosion-proof threading box convenient to replace according to claim 1, wherein: the two sides of the notch (12) are also provided with sealing grooves (14), the tops of the first extending block (21) and the shell (1) are provided with yielding grooves (5), the bottom of the first extending block (21) is provided with a third extending block (23) and is arranged in the sealing grooves (14), and the side walls of the sealing grooves (14) and the side walls of the yielding grooves (5) are provided with sealing strips (4).

3. The explosion-proof threading box convenient to replace according to claim 2, wherein: the top outer wall of casing (1) is equipped with a plurality of first mounting holes (15), casing (1) top is equipped with end cover (6), end cover (6) are equipped with lug (61), and set up in recess (5) of stepping down, the outer wall of end cover (6) is equipped with through-hole (62) that correspond first mounting hole (15), through-hole (62) are equipped with bolt (63), make end cover (6) and casing (1) be connected fixedly, the lateral wall of casing (1) bottom is equipped with two at least second mounting holes (16).

4. The explosion-proof threading box convenient to replace according to claim 1, wherein: the utility model discloses a wire feeding pipe, including first inlet tube (11), second inlet tube (2), sealing piece (241) and sealing piece, first inlet tube (11) both sides are equipped with first extension (111), first extension (111) are equipped with first recess (112), second inlet tube (2) both sides are equipped with second extension (24), and contact with first extension (111), second extension (24) are equipped with sealing piece (241), and set up in first recess (112), be equipped with sealing strip (4) between sealing piece (241) and first recess (112), the top of second inlet tube (2) is equipped with handle (25).

5. The explosion-proof threading box convenient to replace according to claim 1, wherein: the top of supporting shoe (13) is equipped with keeps away position recess (131), the bottom of keeping away position recess (131) is equipped with hollow post (132), the lateral wall of supporting shoe (13) is equipped with movable recess (133), movable recess (133) are equipped with spacing through-hole (134), the terminal surface of spacing through-hole (134) is equipped with spacing post (135).

6. The explosion-proof threading box convenient to replace according to claim 5, wherein: the outer wall of second extension piece (22) is equipped with kicking block (222), and sets up in keeping away position recess (131), kicking block (222) are equipped with cylinder (223), the terminal surface of cylinder (223) is equipped with blind hole (224), and sets up in hollow post (132), hollow post (132) are equipped with first spring (136), and act on blind hole (224).

7. The explosion-proof threading box convenient to replace according to claim 6, wherein: the self-locking mechanism (3) is composed of a button (31), a second spring (32) and a third spring (33), the button (31) is provided with a push rod (34), the end face of the push rod (34) is provided with a clamping block (35), the push rod (34) is provided with a baffle ring (36), the shape of the push rod (34) and a limiting through hole (134) is square, the third spring (33) is fixedly arranged on the end face of the limiting through hole (134) and acts on the button (31), the second spring (32) is fixedly arranged on a movable through hole (62) and acts on the baffle ring (36), and the clamping block (35) protrudes out of the movable through hole (62) and is arranged at a buckling position (221).

8. The explosion-proof threading box convenient to replace according to claim 7, wherein: the initial contact part of the buckling position (221) and the buckling block (35) is provided with a chamfer (7).