CN214479521U

CN214479521U - Explosion-proof movable joint

Info

Publication number: CN214479521U
Application number: CN202120938694.9U
Authority: CN
Inventors: 陈世水; 陈世河; 陈世清; 陈世明; 陈世煌; 陈灵芝; 陈语诺; 陈雅欣
Original assignee: Zhejiang Eksfb Electric Co ltd
Current assignee: Zhejiang Eksfb Electric Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-10-22
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to an explosion-proof movable joint, which comprises a first joint part, a second joint part and a connecting nut, wherein the first joint part is connected with the second joint part through the connecting nut, one end of the first joint part facing the second joint part is provided with a connecting neck, the outer side of one end of the connecting neck departing from the first joint part is provided with a clamping block, the connecting nut is in threaded connection with the second joint part, one end of the connecting nut facing the first joint part extends radially inwards to form a lug hooked with the clamping block, an annular connecting groove is formed between the clamping block, the connecting neck and the first joint part, the lug is provided with a waterproof sealing ring facing the groove bottom of the connecting groove, a first sealing ring is arranged between the clamping block and the second joint part, the outer side of the connecting nut is provided with a plurality of granular bulges, because the clamping block is hooked with the lug, the first joint part can be prevented from separating from the connecting nut, the sealing effect is realized through the arrangement of the first sealing ring, and the sealing effect of the sealing ring can be further improved by matching with the waterproof sealing ring.

Description

Explosion-proof movable joint

Technical Field

The utility model relates to an explosion-proof equipment's connection accessory technical field, in particular to explosion-proof movable joint.

Background

The cable joint connection of various explosion-proof equipment needs an explosion-proof sealing movable joint. The places where the explosion-proof sealing movable joint is used are often blown by wind and exposed to the sun, and the environment is severe, so that the requirement on the explosion-proof performance of the explosion-proof sealing movable joint at the joint of the explosion-proof equipment is extremely high.

In the prior art, if the problem that the sealing performance of the explosion-proof joint is poor exists, the normal operation of explosion-proof equipment can be influenced, and potential safety hazards can be generated.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an explosion-proof union to solve above-mentioned technical problem.

The technical scheme of the utility model is realized like this: the utility model provides an explosion-proof union, includes first joint portion, second joint portion and coupling nut, first joint portion and second joint portion pass through coupling nut and connect, first joint portion is equipped with the connecting neck towards the one end of second joint portion, the one end outside that the connecting neck deviates from first joint portion is equipped with the joint piece, coupling nut and second joint portion spiro union, coupling nut forms the lug that colludes mutually with the joint piece towards the one end radial inward extension of first joint portion, form annular spread groove between joint piece, connecting neck and the first joint portion, the lug is located the spread groove, the lug is equipped with waterproof sealing ring towards spread groove tank bottom department, waterproof sealing ring is the I-shaped, be equipped with first sealing washer between joint piece and the second joint portion, coupling nut's the outside is equipped with a plurality of graininess archs.

Through adopting above-mentioned technical scheme, because joint piece and lug collude mutually, consequently can prevent that first joint portion from taking off and leave coupling nut for it is more firm to connect, has played sealed effect through setting up of first sealing washer, and cooperates its sealed effect of improvement that waterproof sealing washer can be further, prevent inconvenience and the potential safety hazard that the sealed inefficacy of certain sealing washer caused, the graininess arch in the coupling nut outside has played the effect of easy to assemble, the frictional force on its surface is bigger.

The utility model discloses further set up to: the waterproof sealing ring comprises an upper convex ring and a lower convex ring, one side of the lower convex ring is abutted against the inner side of the convex block, the other side of the lower convex ring is abutted against the clamping block, and one side of the upper convex ring is abutted against the outer side of the convex block.

Through adopting above-mentioned technical scheme, the waterproof sealing washer of this structure has played splendid sealed effect, and has increased the firmness of connecting between joint piece and the lug.

The utility model discloses further set up to: a plurality of first grooves and second grooves which are arranged along the circumferential direction of the upper convex ring and the lower convex ring are respectively formed in the outer sides of the upper convex ring and the lower convex ring, buffering parts are arranged in the first grooves, and reinforcing parts are arranged in the second grooves.

Through adopting above-mentioned technical scheme, the effect of shocking resistance has been played in the setting of bolster, has increased the life of sealing washer, and the setting of reinforcement has played intensity and compressive capacity after the seal installation.

The utility model discloses further set up to: the buffer piece comprises a telescopic rod and a first spring sleeved outside the telescopic rod, and two ends of the telescopic rod and the first spring are fixedly connected with the side wall of the first groove respectively.

Through adopting above-mentioned technical scheme, can be better play the effect of shocking resistance under the cooperation of telescopic link and first spring.

The utility model discloses further set up to: the reinforcing rib comprises a rod body and a second spring sleeved on the outer side of the rod body, and the two ends of the rod body and the second spring are fixedly connected with the side wall of the second groove respectively.

Through adopting above-mentioned technical scheme, the body of rod is not telescopic, therefore its effect that has the support, cooperation second spring, the effect to the resistance to compression that can be better, and improved intensity.

The utility model discloses further set up to: the diameter of an inner hole of the first sealing ring is 20-40mm, and the diameter of the inner hole of the first sealing ring is larger than that of the connecting neck.

Through adopting above-mentioned technical scheme, further improvement sealed effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a general cross-sectional view of an embodiment of the present invention;

fig. 2 is a sectional view of the waterproof sealing ring according to the embodiment of the present invention.

Reference numerals: 1. a first joint portion; 100. a connecting neck; 101. a clamping block; 102. connecting grooves; 2. a second joint portion; 3. a connecting nut; 300. a bump; 301. granular protrusions; 4. a waterproof sealing ring; 400. an upper convex ring; 401. a lower convex ring; 402. a first groove; 403. a second groove; 404. a telescopic rod; 405. a first spring; 406. a rod body; 407. a second spring; 5. a first seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 2, the utility model discloses an explosion-proof union, which comprises a first joint part 1, a second joint part 2 and a connecting nut 3, wherein the first joint part 1 and the second joint part 2 are connected by the connecting nut 3, one end of the first joint part 1 facing the second joint part is provided with a connecting neck 100, the outer side of one end of the connecting neck 100 facing away from the first joint part 1 is provided with a clamping block 101, the connecting nut 3 is in bolt connection with the second joint part 2, one end of the connecting nut 3 facing the first joint part 1 extends radially inwards to form a convex block 300 hooked with the clamping block 101, an annular connecting groove 102 is formed among the clamping block 101, the connecting neck 100 and the first joint part 1, the convex block 300 is positioned in the connecting groove 102, the convex block 300 is provided with a waterproof sealing ring 4 facing the groove 102, the waterproof sealing ring 4 is in an i shape, a first sealing ring 5 is arranged between the clamping block 101 and the second joint part 2, and a plurality of granular protrusions 301 are arranged on the outer side of the connecting nut 3; because joint piece 101 and lug 300 collude mutually, consequently can prevent that first joint portion 1 from taking off and leave coupling nut 3 for it is more firm to connect, set up through first sealing washer 5 and played sealed effect, and cooperate waterproof sealing washer 4 can further improve its sealed effect, prevent inconvenience and the potential safety hazard that the sealed inefficacy of certain sealing washer caused, granular protrusion 301 in the coupling nut 3 outside has played the effect of easy to assemble, the frictional force on its surface is bigger.

The waterproof sealing ring 4 comprises an upper convex ring 400 and a lower convex ring 401, one side of the lower convex ring 401 is abutted with the inner side of the convex block 300, the other side of the lower convex ring 401 is abutted with the clamping block 101, and one side of the upper convex ring 400 is abutted with the outer side of the convex block 300; the waterproof sealing ring 4 of this structure has played splendid sealed effect, and has increased the firmness of being connected between joint piece 101 and the lug 300.

A plurality of first grooves 402 and second grooves 403 which are arranged along the circumferential direction of the upper convex ring 400 and the lower convex ring 401 are respectively arranged on the outer sides of the upper convex ring 400 and the lower convex ring 401, a buffer part is arranged in each first groove 402, and a reinforcing part is arranged in each second groove 403; the setting of bolster has played the effect that shocks resistance, has increased the life of sealing washer, and the setting of reinforcement has played intensity and compressive capacity after the sealing installation.

The buffer member comprises a telescopic rod 404 and a first spring 405 sleeved outside the telescopic rod 404, and two ends of the telescopic rod 404 and two ends of the first spring 405 are respectively fixedly connected with the side walls of the first groove 402; the impact resistance effect can be better achieved under the cooperation of the telescopic rod 404 and the first spring 405.

The reinforcing rib comprises a rod body 406 and a second spring 407 sleeved outside the rod body 406, and two ends of the rod body 406 and the second spring 407 are respectively fixedly connected with the side wall of the second groove 403; the rod body 406 is not telescopic, so that the rod body has a supporting function, and can better resist pressure by matching with the second spring 407, and the strength is improved.

The diameter of an inner hole of the first sealing ring 5 is 20-40mm, and the diameter of the inner hole of the first sealing ring 5 is larger than the diameter of the connecting neck 100; the sealing effect is further improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an explosion-proof union, includes first joint portion (1), second joint portion (2) and coupling nut (3), first joint portion (1) and second joint portion (2) are connected its characterized in that through coupling nut (3): the one end of first joint portion (1) orientation second joint portion (2) is equipped with connecting neck (100), the one end outside that connecting neck (100) deviates from first joint portion (1) is equipped with joint piece (101), coupling nut (3) and second joint portion (2) spiro union, coupling nut (3) radially inwards extend towards the one end of first joint portion (1) and form lug (300) colluded with joint piece (101), form annular spread groove (102) between joint piece (101), connecting neck (100) and first joint portion (1), lug (300) are located spread groove (102), lug (300) are equipped with waterproof sealing ring (4) towards spread groove (102) tank bottom department, waterproof sealing ring (4) are the I-shaped, be equipped with first sealing washer (5) between joint piece (101) and second joint portion (2), the outer side of the connecting nut (3) is provided with a plurality of granular protrusions (301).

2. An explosion-proof union as set forth in claim 1, wherein: waterproof sealing ring (4) are including last bulge loop (400) and lower bulge loop (401), one side and lug (300) inboard butt of bulge loop (401) down, opposite side and joint piece (101) butt, go up one side and lug (300) outside butt of bulge loop (400).

3. An explosion-proof union as set forth in claim 2, wherein: go up bulge loop (400) and the outside of lower bulge loop (401) and seted up a plurality of first recess (402) and second recess (403) that set up along its circumference respectively, be equipped with the bolster in first recess (402), be equipped with the reinforcement in second recess (403).

4. An explosion-proof union as set forth in claim 3, wherein: the buffer piece comprises a telescopic rod (404) and a first spring (405) sleeved on the outer side of the telescopic rod (404), and two ends of the telescopic rod (404) and the first spring (405) are fixedly connected with the side wall of the first groove (402) respectively.

5. An explosion-proof union as set forth in claim 3, wherein: the reinforcing piece comprises a rod body (406) and a second spring (407) sleeved on the outer side of the rod body (406), and two ends of the rod body (406) and two ends of the second spring (407) are fixedly connected with the side walls of the second groove (403) respectively.

6. An explosion-proof union as set forth in claim 1, wherein: the diameter of an inner hole of the first sealing ring (5) is 20-40mm, and the diameter of the inner hole of the first sealing ring (5) is larger than that of the connecting neck (100).