CN209943772U

CN209943772U - Connect stable form hydraulic pressure coupling

Info

Publication number: CN209943772U
Application number: CN201920704710.0U
Authority: CN
Inventors: 覃士冰
Original assignee: Yuhuan Yaoming Machinery Co Ltd
Current assignee: Yuhuan Yaoming Machinery Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-01-14
Anticipated expiration: 2029-05-17

Abstract

The utility model relates to a hydraulic pressure coupling design technical field discloses a connect stable form hydraulic pressure coupling, including connecting the body, the threaded rod, the bayonet joint, a plurality of recesses have been seted up to the week side of bayonet joint, are provided with the gag lever post that one end articulates in the recess, and the one end department that the hinged end was kept away from to the gag lever post is provided with the tight end of support of contradicting on the hydraulic pressure pipeline inner wall, is provided with one end in the recess and connects on the recess inner wall and the other end is connected and is located the drive spring of the one end department of supporting the tight end at the gag lever post, still is provided with on the bayonet joint to be used. The utility model has the advantages of it is following and effect: utilize the gag lever post to support tightly on hydraulic pressure pipeline's inner wall, can produce great frictional force between gag lever post and the hydraulic pressure pipeline inner wall, can reduce the possibility that hydraulic pressure pipeline and bayonet joint take place to break away from finally.

Description

Connect stable form hydraulic pressure coupling

Technical Field

The utility model relates to a hydraulic pressure coupling design technical field, in particular to connect stable form hydraulic pressure coupling.

Background

The hydraulic pipe joint is a part for connecting a high-pressure oil pipe and a high-pressure oil pipe in a hydraulic system. The hydraulic pipe joint can be divided into a hydraulic hose, a high-pressure ball valve, a quick joint, a ferrule type pipe joint, a welded type pipe joint, a high-pressure hose, a transition type pipe joint, a ferrule type pipe joint, a three-way type pipe joint, a non-standard type pipe joint, a flared type pipe joint, a right-angle type pipe joint, a rotary type pipe joint, a quick joint, a stainless steel pipe joint and a copper joint.

At present, chinese patent that bulletin number is CN202561318U, and bulletin date is 2012, 11, 28 discloses a hydraulic pressure pipeline connector for hydraulic prop, including the connector body, the one end of connector body is equipped with connecting screw and adjusting nut, and the other end of connector body is equipped with the pipeline bayonet joint that is used for pegging graft hydraulic pressure pipeline, is equipped with a plurality of anticreep arriss that are used for preventing that the hydraulic pressure pipeline of pegging graft from droing on the pipeline bayonet joint, and a plurality of anticreep arriss arrange in proper order on the outer wall of pipeline bayonet joint.

The hydraulic pipeline connector for the hydraulic prop is inserted into a hydraulic pipeline by utilizing the pipeline plug connector, and simultaneously, the hydraulic pipeline is prevented from falling off by utilizing the plurality of anti-falling edges; wherein anticreep arris back in getting into hydraulic pressure pipeline, if produce behind the great pulling force between hydraulic pressure pipeline and the connector body, pipeline bayonet joint still probably takes place to drop with hydraulic pressure pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a connect stable form hydraulic pressure coupling can reduce the possibility that hydraulic pressure pipeline and bayonet joint take place to break away from.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a connect stable form hydraulic pressure coupling, includes the joint body, is located the threaded rod that connects body one end, is located the bayonet joint that connects on the body other end, a plurality of recesses have been seted up to bayonet joint's week side, be provided with the gag lever post that one end articulates in the recess, the one end department that the hinged end was kept away from to the gag lever post is provided with the tight end of support of contradicting on the hydraulic pressure pipeline inner wall, be provided with one end in the recess and connect on the recess inner wall and the other end is connected and is located the drive spring who supports the one end department of tight end at the gag lever post, still be provided with on the bayonet joint.

The utility model discloses a further set up to: the driving assembly comprises a driving sleeve which is sleeved on the plug-in connector and the end part of the driving sleeve is abutted against the limiting rod, and a limiting part which is arranged on the plug-in connector and used for limiting the position of the driving sleeve when the limiting rod retracts into the groove.

The utility model discloses a further set up to: the limiting part comprises a limiting groove, a limiting block and a reset spring, wherein the limiting groove is arranged at one end, close to the joint body, of the plug connector, the cross section of the limiting groove is in a convex shape, the limiting block is embedded into the limiting groove, one end of the limiting block is used for protruding out of the limiting groove, one end of the reset spring is connected to the inner wall of the limiting groove, the other end of the reset spring is connected to the limiting block, and the cross section of the limiting block is in a convex shape.

The utility model discloses a further set up to: and a pushing ring is arranged on the peripheral side outer wall of one end, close to the joint body, of the driving sleeve.

The utility model discloses a further set up to: the driving sleeve is characterized in that a plurality of rubber damping rings are arranged on the outer wall of the peripheral side of the driving sleeve and distributed along the direction of the central axis of the driving sleeve at even intervals.

The utility model discloses a further set up to: the one end department that the end of holding is kept away from the joint body is seted up and is led the inclined plane.

The utility model discloses a further set up to: the outer wall of the guide inclined plane is coated with a polytetrafluoroethylene layer.

To sum up, the utility model discloses following beneficial effect has:

1. when the plug connector needs to be inserted into a hydraulic pipeline, the driving assembly is used for driving the limiting rod to rotate towards the groove, and the driving spring is elastically deformed at the moment, so that the resistance of the plug connector when the plug connector is inserted into the hydraulic pipeline is reduced, and the plug connector can be quickly inserted into the hydraulic pipeline; then, the driving force of the driving assembly on the limiting rod is cancelled, at the moment, the elastic restoring force of the driving spring can drive the limiting rod to rotate towards one side far away from the groove, so that the limiting rod is tightly abutted against the inner wall of the hydraulic pipeline, and larger friction force can be generated between the limiting rod and the inner wall of the hydraulic pipeline;

2. when the limiting rod needs to be driven by the driving assembly to retract towards the inside of the groove, an operator pushes the driving sleeve towards one side far away from the joint body, the driving sleeve can be abutted against the limiting rod, so that acting force which rotates towards the inside of the groove is applied to the limiting rod, and then the limiting rod can retract into the groove; at the moment, the reset spring in the limiting part is utilized, so that the reset spring can drive the limiting block to move towards one side far away from the limiting groove, one end of the limiting block protrudes out of the limiting groove, and finally the limiting block can limit the position of the driving sleeve; then, an operator can insert the plug connector into the hydraulic pipeline rapidly, and the limiting block can prevent the driving sleeve from moving along with the insertion of the plug connector, so that the limiting rod is favorably and stably positioned in the groove;

when the plug-in connector is inserted into the hydraulic pipeline, an operator can press the limiting block protruding out of the limiting groove, so that the limiting block retracts into the limiting groove, and the reset spring elastically deforms; after the driving sleeve loses the limiting function of the limiting block, an operator can move the driving sleeve towards one side close to the joint body, and then the limiting rod can rotate towards one side far away from the groove, so that the limiting rod is abutted against the inner wall of the hydraulic pipeline;

3. when the driving sleeve needs to be moved, the pushing ring is arranged on the peripheral outer wall of one end, close to the joint body, of the driving sleeve, and an operator pushes the pushing ring to conveniently drive the driving sleeve to move, so that the possibility of slipping when the operator pushes the driving sleeve is reduced;

4. by utilizing the plurality of rubber damping rings arranged on the peripheral outer wall of the driving sleeve, after the plug connector is inserted into the hydraulic pipeline, the peripheral outer wall of the driving sleeve can be tightly abutted against the inner wall of the hydraulic pipeline, at the moment, the rubber damping rings can be tightly abutted against the inner wall of the hydraulic pipeline, the friction force between the driving sleeve and the hydraulic pipeline can be increased through the rubber damping rings, and finally, the possibility of separation of the hydraulic pipeline and the plug connector can be further reduced;

5. by utilizing the guide inclined plane arranged at the end of the abutting end, which is far away from the joint body, when the plug connector is inserted into the hydraulic pipeline, the guide inclined plane can play a role of guiding, and finally the plug connector can be conveniently and rapidly inserted into the hydraulic pipeline;

6. the outer wall of the guide inclined plane is coated with the polytetrafluoroethylene layer, and the polytetrafluoroethylene layer has an extremely low friction coefficient, so that the lubricating effect can be achieved, and when the plug connector needs to be inserted into the hydraulic pipeline, the quick insertion of the plug connector into the hydraulic pipeline can be facilitated.

Drawings

Fig. 1 is a schematic view of a half-section structure of the present invention, at this time, the limiting block limits the driving sleeve and the limiting rod is in a state of retracting into the groove;

fig. 2 is an enlarged view of a portion a in fig. 1.

Reference numerals: 1. a connector body; 2. a threaded rod; 3. a plug-in connector; 31. a groove; 32. a drive spring; 4. a limiting rod; 41. abutting the end; 42. a guide slope; 5. a drive assembly; 51. a drive sleeve; 511. a push ring; 52. a limiting member; 521. a limiting groove; 522. a limiting block; 523. a return spring; 6. a rubber damping ring; 7. a polytetrafluoroethylene layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A connection stable type hydraulic pipe joint, referring to fig. 1, comprises a joint body 1, a threaded rod 2 and a plug 3, wherein the threaded rod 2 and the plug 3 are respectively and integrally arranged at two ends of the joint body 1; meanwhile, a plurality of grooves 31 are formed in the peripheral side of the plug 3, and the grooves 31 are uniformly distributed at intervals along the peripheral side of the plug 3; wherein, a limit rod 4 is arranged in the groove 31, and one end of the limit rod 4 is hinged in the groove 31.

Referring to fig. 1 and 2, a resisting end 41 is integrally arranged at one end of the limiting rod 4 away from the hinged end, the resisting end 41 is used for resisting against the inner wall of the hydraulic pipeline, and a guide inclined plane 42 is arranged at one end of the resisting end 41 away from the joint body 1; the outer wall of the guide slope 42 is also coated with a polytetrafluoroethylene layer 7, wherein the polytetrafluoroethylene is generated by the free radical polymerization of tetrafluoroethylene, has the characteristic of high lubrication and is the lowest friction coefficient in a solid material.

Referring to fig. 1, a driving spring 32 is further disposed in the groove 31 and at an end of the groove 31 away from the joint body 1, wherein one end of the driving spring 32 is welded on an inner wall of the groove 31, and the other end is welded at an end of the limiting rod 4 located at the abutting end 41; meanwhile, the plug connector 3 is also provided with a driving assembly 5, the driving assembly 5 is used for driving the limiting rod 4 to retract towards the groove 31, the driving assembly 5 comprises a driving sleeve 51 and a limiting piece 52, the driving sleeve 51 is sleeved on the plug connector 3, the end part of the driving sleeve is used for abutting against the limiting rod 4, a plurality of rubber damping rings 6 are bonded on the peripheral outer wall of the driving sleeve 51, and the plurality of rubber damping rings 6 are uniformly distributed at intervals along the central axis direction of the driving sleeve 51; wherein, a pushing ring 511 is integrally arranged on the peripheral side outer wall of the driving sleeve 51 near one end of the joint body 1.

Referring to fig. 1, the limiting member 52 is used for limiting the position of the driving sleeve 51 when the limiting rod 4 retracts into the groove 31, the limiting member 52 includes a limiting groove 521, a limiting block 522 and a return spring 523, wherein the limiting groove 521 is formed at one end of the plug 3 close to the connector body 1, the cross section of the limiting groove 521 is in a shape like a Chinese character 'tu', the limiting block 522 is embedded into the limiting groove 521, one end of the limiting block 522 is used for protruding out of the limiting groove 521, the cross section of the limiting block 522 is in a shape like a Chinese character 'tu' matched with the limiting groove 521, one end of the return spring 523 is welded on the inner wall of the limiting groove 521, and the other end of the return spring 523 is welded on the limiting block 522.

The principle is as follows: when the plug connector 3 needs to be inserted into a hydraulic pipeline, firstly, an operator pushes the driving sleeve 51 towards one side far away from the connector body 1, the driving sleeve 51 can be tightly abutted to the limiting rod 4, so that an acting force towards the rotation of the groove 31 is applied to the limiting rod 4, and then the limiting rod 4 can be retracted into the groove 31.

At this time, since the driving sleeve 51 is not wrapped on one side of the limiting groove 521 any more, the return spring 523 can elastically recover, and the return spring 523 can drive the limiting block 522 to move towards one side far away from the limiting groove 521, so that one end of the limiting block 522 protrudes out of the limiting groove 521, and finally the limiting block 522 can limit the position of the driving sleeve 51; the operator can then insert the plug 3 relatively quickly into the hydraulic line.

When the plug-in connector 3 is inserted into the hydraulic pipeline, an operator can press the limiting block 522 protruding out of the limiting groove 521, so that the limiting block 522 retracts into the limiting groove 521, and the return spring 523 elastically deforms; and after the driving sleeve 51 loses the limiting function of the limiting block 522, an operator can move the driving sleeve 51 towards one side close to the joint body 1, and then the limiting rod 4 can rotate towards one side far away from the groove 31 under the action of the driving spring 32, so that the abutting end 41 on the limiting rod 4 abuts against the inner wall of the hydraulic pipeline.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a connect stable form hydraulic pressure coupling, includes joint body (1), is located threaded rod (2) that joint body (1) one was served, is located bayonet joint (3) that connect body (1) the other end, its characterized in that: a plurality of grooves (31) have been seted up to the week side of bayonet joint (3), be provided with gag lever post (4) that one end articulates in groove (31), gag lever post (4) keep away from the one end department of hinged end and be provided with the tight end (41) of supporting of contradicting on the hydraulic pressure pipeline inner wall, be provided with in groove (31) one end and connect on groove (31) inner wall and the other end is connected and is located drive spring (32) of the one end department of supporting tight end (41) at gag lever post (4), still be provided with on bayonet joint (3) and be used for driving gag lever post (4) towards drive assembly (5) the interior back of contracting of groove (31).

2. The connection-stabilized hydraulic fitting of claim 1, wherein: the driving assembly (5) comprises a driving sleeve (51) which is sleeved on the plug-in connector (3) and the end part of the driving sleeve is abutted to the limiting rod (4), and a limiting part (52) which is arranged on the plug-in connector (3) and used for limiting the position of the driving sleeve (51) when the limiting rod (4) retracts into the groove (31).

3. The connection-stabilized hydraulic fitting of claim 2, wherein: the limiting part (52) comprises a limiting groove (521) which is arranged at one end of the plug-in connector (3) close to the connector body (1) and has a convex-shaped cross section, a limiting block (522) which is embedded into the limiting groove (521) and has one end used for protruding out of the limiting groove (521), and a reset spring (523) which has one end connected to the inner wall of the limiting groove (521) and the other end connected to the limiting block (522), wherein the cross section of the limiting block (522) is shaped like a convex shape matched with the limiting groove (521).

4. The connection-stabilized hydraulic fitting of claim 2, wherein: and a pushing ring (511) is arranged on the peripheral side outer wall of one end, close to the joint body (1), of the driving sleeve (51).

5. The connection-stabilized hydraulic fitting of claim 2, wherein: the rubber damping device is characterized in that a plurality of rubber damping rings (6) are arranged on the peripheral side outer wall of the driving sleeve (51), and the rubber damping rings (6) are uniformly distributed at intervals along the central axis direction of the driving sleeve (51).

6. The connection-stabilized hydraulic fitting of claim 1, wherein: one end of the abutting end (41) far away from the joint body (1) is provided with a guide inclined plane (42).

7. The connection-stabilized hydraulic fitting of claim 6, wherein: the outer wall of the guide inclined plane (42) is coated with a polytetrafluoroethylene layer (7).