CN218845401U

CN218845401U - Hydraulic pipe joint

Info

Publication number: CN218845401U
Application number: CN202223575929.6U
Authority: CN
Inventors: 石建峰
Original assignee: Sichuan Ouyiguan Machinery Co ltd
Current assignee: Sichuan Ouyiguan Machinery Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-04-11
Anticipated expiration: 2032-12-30

Abstract

The utility model belongs to the technical field of pipe joints, in particular to a hydraulic pipe joint, which comprises a connector and a connecting sleeve; the connector comprises a pulling part, a connecting part a and a connecting part b; an inner thread is arranged at one end opening part of the connecting sleeve, an outer thread is arranged on the outer peripheral wall of the connecting part b, and the connecting sleeve is connected to the connecting part b through the thread; the outer peripheral wall of one end of the connecting sleeve, which is provided with the internal thread, is provided with a conical body, and a concave cavity is formed between the conical body on the connecting sleeve and the inclined wall of the connecting part a; the connecting part a is connected with a fixed sleeve through threads, the inner wall of the fixed sleeve is provided with an inclined block pressing part, and the inclined block pressing part is positioned in the concave cavity; the hose and pipe joint connection structure is used for solving the problem that in the prior art, the hose is not stably and reliably connected with the pipe joint, so that the hose is easy to fall off from the pipe joint in the use process.

Description

Hydraulic pipe joint

Technical Field

The utility model belongs to the technical field of the coupling, concretely relates to hydraulic pressure pipe joint.

Background

The hydraulic pipe joint is a hydraulic pipe connector and is used for connecting a hydraulic hose, the connection between the hydraulic pipe joint and the hose in the prior art is generally realized by clamping the hose into one end of the pipe connector, and then binding a clamp or an iron wire on the hose clamped into one end of the pipe connector, so that the hose is sleeved at one end of the pipe connector.

However, when the hose is connected to one end of the pipe joint in this way, in the long-term use process, the looseness of the clamp or the breakage of the iron wire can reduce the connection stability between the hose and the pipe joint, so that the hose is very easy to loosen at one end of the connector to leak oil, and even more, the hose can slip off, and great loss is brought to a user.

SUMMERY OF THE UTILITY MODEL

Based on the problem mentioned in the above-mentioned background art, the utility model provides a hydraulic pressure union for solve prior art hose and coupling and be connected reliable and stable inadequately, lead to in the use, the hose takes place the problem that drops from the coupling easily.

The utility model adopts the technical scheme as follows:

a hydraulic pipe joint comprises a joint and a connecting sleeve; the connector comprises a pulling part, a connecting part a and a connecting part b, wherein the connecting part a is positioned on the pulling part and the connecting part b;

an inner thread is arranged at one end opening part of the connecting sleeve, an outer thread is arranged on the outer peripheral wall of the connecting part b, and the connecting sleeve is connected to the connecting part b through a thread;

the outer peripheral wall of one end of the connecting sleeve, which is provided with the internal thread, is provided with a conical body, and a concave cavity is formed between the conical body on the connecting sleeve and the inclined wall of the connecting part a;

the connecting part a is connected with a fixed sleeve through threads, an inclined block pressing part is arranged on the inner wall of the fixed sleeve, and the inclined block pressing part is positioned in the concave cavity;

and the hose is inserted into the gap area between the fixed sleeve and the connecting sleeve, so that the insertion end of the hose deforms and is attached to the outer wall of the conical body of the connecting sleeve due to the fact that the insertion end of the hose is abutted to the inclined block pressing part, and then the inclined block pressing part is pressed on the outer peripheral wall of the insertion end of the hose.

On the basis of the technical scheme, the utility model discloses following improvement has still been made:

the clamping sleeve is connected to the outer wall of one end, far away from the connector, of the fixed sleeve through threads; the outer wall of one end of the fixing sleeve, which is far away from the connector, is arranged in a conical shape, and a shrinkage groove is formed in the conical sleeve part of the fixing sleeve;

the smooth inner wall of centre gripping cover sets up to be the toper form, the gradient of the smooth toper inner wall of centre gripping cover is less than the gradient at fixed cover toper form cover position.

Further, a rubber ring is arranged in a groove on the outer wall of the connecting sleeve; the inner wall of the conical sleeve part of the fixed sleeve is provided with a convex ring, and the convex ring corresponds to the rubber ring in position.

Furthermore, sealing rings are arranged between the end part of the connecting part b and the bottom of the inner hole at one end of the connecting sleeve, and between one end of the connecting part b close to the connecting part a and one end of the connecting sleeve.

Furthermore, a plurality of accommodating holes are formed in the end, close to the fixed sleeve, of the pulling part in an array mode, abutting springs and abutting rods are arranged in the accommodating holes, and the abutting springs are located between one ends of the abutting rods and the bottoms of the accommodating holes.

The utility model has the advantages that:

1. through the combination of the arranged connector, the connecting sleeve and the fixing sleeve, when the hose is installed, the hose is inserted into the hose along a gap area between the fixing sleeve and the connecting sleeve, when the insertion end of the hose is abutted to the inclined block pressing part inside the fixing sleeve to generate deformation, so that the inner wall of the hose is attached to the outer wall of the conical body of the connecting sleeve, and then the fixing sleeve is moved along the direction far away from the pulling part, so that the inclined block pressing part is pressed on the outer peripheral wall of the insertion end of the hose, the insertion end of the hose is pressed and fixed, and the hose is prevented from falling off from the connecting sleeve;

2. through the centre gripping cover and the combination of fixed cover that set up, through removing the centre gripping cover along the direction that is close to the portion of pulling, make the toper outer wall of the toper inner wall extrusion fixed cover of centre gripping cover for the toper portion hole of fixed cover is to the internal contraction, makes the toper portion internal pore wall and the hose extrusion laminating of fixed cover, thereby realizes the further tight fixed of clamp of hose, strengthens the connection stability of hose.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a structural diagram of a hydraulic pipe joint of the present invention;

fig. 2 is a cross-sectional view of the hydraulic pipe joint of the present invention.

The drawings are labeled as follows:

101. a connector; 101-1, a pulling part; 101-2, connecting part a;101-3, a connecting part b;101-4, a receiving hole; 102. connecting sleeves; 2. fixing a sleeve; 201. an inclined block pressing part; 202. a contraction groove; 203. a convex ring; 3. a clamping sleeve; 4. a seal ring; 5. a rubber ring; 6. a hose; 7. pressing the spring; 701. the rod is pushed.

Detailed Description

As shown in fig. 1 to 2, a hydraulic pipe joint includes a joint 101 and a connecting sleeve 102; the connector 101 comprises a wrenching part 101-1, a connecting part a101-2 and a connecting part b101-3, wherein the connecting part a101-2 is positioned at the wrenching part 101-1 and the connecting part b101-3; the wrench bayonet is clamped on the wrenching part 101-1 through the wrenching part 101-1, so that the connector 101 can be conveniently rotated, and one end of the connector 101 is enabled to be screwed into mounting screw holes of other pipe bodies;

referring to fig. 2, an end of the connecting sleeve 102 is provided with an internal thread, an outer circumferential wall of the connecting part b101-3 is provided with an external thread, and the connecting sleeve 102 is connected to the connecting part b101-3 through a thread; the connecting sleeve 102 can be detached from the connecting part b101-3; the thread connection has self-locking performance, so that after the connecting sleeve 102 is arranged on the connecting part b101-3, the connecting sleeve 102 can be stably assembled with the connecting head 101 under the condition of no external force; '

Referring to fig. 2, the outer peripheral wall of the end of the connecting sleeve 102 provided with the internal thread is provided with a conical body, and a cavity is formed between the conical body on the connecting sleeve 102 and the inclined wall of the connecting part a 101-2; the connecting part a101-2 is connected with the fixing sleeve 2 through threads, and the fixing sleeve 2 is arranged on the connecting part a101-2 in a threaded connection mode, so that the fixing sleeve 2 can move on the connecting part a101-2 when the fixing sleeve 2 is rotated, and the position of the fixing sleeve 2 is adjusted;

an inclined block pressing part 201 is arranged on the inner wall of the fixed sleeve 2, and the inclined block pressing part 201 is positioned in the concave cavity; the inclined block pressing part 201 is combined with the conical end part of the connecting sleeve 102, so that the inserting end of the hose 6 can be pressed and fixed;

when the hose 6 is installed, the hose 6 is inserted along a gap area between the fixed sleeve 2 and the connecting sleeve 102, when the insertion end of the hose 6 is abutted to the inclined block pressing part 201, the insertion end of the hose 6 is contracted and deformed, the inner wall of the contracted insertion end of the hose 6 is enabled to be attached to the outer wall of the conical end part of the connecting sleeve 102, then the fixed sleeve 2 is rotated, the fixed sleeve 2 is enabled to move along the direction away from the wrenching part 101-1, the inclined wall of the inclined block pressing part 201 is enabled to be pressed on the outer peripheral wall of the contracted insertion end of the hose 6, the insertion end of the hose 6 is pressed and fixed, and the hose 6 is prevented from falling off the connecting sleeve 102;

referring to fig. 2, the clamping device further comprises a clamping sleeve 3, wherein the clamping sleeve 3 is connected to the outer wall of one end of the fixing sleeve 2 far away from the connector 101 through threads; when the clamping sleeve 3 is rotated, the clamping sleeve 3 can move on the fixed sleeve 2, so that the position of the clamping sleeve 3 can be adjusted;

the outer wall of one end of the fixing sleeve 2, which is far away from the connector 101, is arranged in a conical shape, and a shrinkage groove 202 is formed in the conical sleeve part of the fixing sleeve 2; through the arranged shrinkage groove 202, when the conical end of the fixing sleeve 2 is extruded, the conical end of the fixing sleeve 2 can realize a certain inward shrinkage deformation;

the smooth inner wall of the clamping sleeve 3 is arranged to be conical, and the inclination of the smooth conical inner wall of the clamping sleeve 3 is smaller than that of the conical sleeve part of the fixing sleeve 2; when the clamping sleeve 3 is rotated, the clamping sleeve moves along the direction close to the pulling part 101-1, the conical inner wall of the clamping sleeve 3 is enabled to extrude the conical outer wall of the fixing sleeve 2, and under the continuous movement of the clamping sleeve 3, the conical inner wall of the clamping sleeve 3 continuously extrudes the conical outer wall of the fixing sleeve 2, so that the inner hole of the conical part of the fixing sleeve 2 is inwards shrunk, the inner hole wall of the conical part of the fixing sleeve 2 is enabled to be extruded and attached with the hose 6, the hose 6 is further clamped and fixed, and the connection stability of the hose 6 is enhanced.

Referring to fig. 2, a rubber ring 5 is arranged in a groove on the outer wall of the connecting sleeve 102; the inner wall at fixed cover 2 toper form cover position is provided with bulge loop 203, and bulge loop 203 corresponds with 5 positions of rubber circle, and when the toper portion hole of fixed cover 2 inwards shrunk, bulge loop 203 and the extrusion of 6 outer walls of hose to can make 6 inner walls of hose and the inseparable laminating of rubber circle 5, thereby strengthen the leakproofness between hose 6 and the adapter sleeve 102.

Referring to fig. 2, sealing rings 4 are respectively arranged between the end of the connecting part b101-3 and the bottom of the inner hole at one end of the connecting sleeve 102, and between the end of the connecting part b101-3 close to the connecting part a101-2 and one end of the connecting sleeve 102, and the sealing performance between the connecting head 101 and the connecting sleeve 102 can be enhanced by the two sealing rings 4.

Referring to fig. 1, a plurality of accommodating holes 101-4 are formed in an array at one end of the pulling portion 101-1 close to the fixed sleeve 2, a resisting spring 7 and a resisting rod 701 are arranged in the accommodating hole 101-4, the resisting spring 7 is located between one end of the resisting rod 701 and the bottom of the accommodating hole 101-4, the resisting spring 7 and the resisting rod 701 are combined, the resisting spring 7 can always resist the resisting rod 701, so that one end of the resisting rod 701 is attached to one end of the fixed sleeve 2 close to the pulling portion 101-1, a certain resisting effect on the fixed sleeve 2 can be achieved, and the situation that the fixed sleeve 2 moves close to the pulling portion 101-1 under the condition that other external factors are applied to the fixed sleeve 2 is avoided, so that the inclined block pressing portion 201 is separated from contact with the outer wall of the inward-retracted insertion end of the hose 6, and the insertion end of the hose 6 is not compressed.

The present invention has been described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core concept. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

Claims

1. A hydraulic pipe joint, its characterized in that: comprises a connector (101) and a connecting sleeve (102); the connector (101) comprises a wrenching part (101-1), a connecting part a (101-2) and a connecting part b (101-3), and the connecting part a (101-2) is positioned on the wrenching part (101-1) and the connecting part b (101-3);

an opening part of the connecting sleeve (102) is provided with an internal thread, the outer peripheral wall of the connecting part b (101-3) is provided with an external thread, and the connecting sleeve (102) is connected to the connecting part b (101-3) through a thread;

the outer peripheral wall of one end of the connecting sleeve (102) provided with the internal thread is provided with a conical body, and a cavity is formed between the conical body on the connecting sleeve (102) and the inclined wall of the connecting part a (101-2);

the connecting part a (101-2) is connected with a fixing sleeve (2) through threads, an inclined block pressing part (201) is arranged on the inner wall of the fixing sleeve (2), and the inclined block pressing part (201) is located in the concave cavity;

and the hose (6) is inserted into the gap area between the fixed sleeve (2) and the connecting sleeve (102), so that the insertion end of the hose (6) is deformed and attached to the outer wall of the conical body of the connecting sleeve (102) due to the fact that the insertion end of the hose (6) is abutted against the inclined block pressing part (201), and then the inclined block pressing part (201) is pressed on the outer peripheral wall of the insertion end of the hose (6).

2. A hydraulic pipe joint as defined in claim 1, wherein: the clamping sleeve (3) is connected to the outer wall of one end, far away from the connector (101), of the fixing sleeve (2) through threads; the outer wall of one end, far away from the connector (101), of the fixing sleeve (2) is arranged in a conical shape, and a contraction groove (202) is formed in the sleeve part of the fixing sleeve (2) in the conical shape;

the smooth inner wall of the clamping sleeve (3) is arranged to be conical, and the gradient of the smooth conical inner wall of the clamping sleeve (3) is smaller than that of the conical sleeve part of the fixed sleeve (2).

3. A hydraulic pipe joint as defined in claim 2, wherein: a rubber ring (5) is arranged in a groove in the outer wall of the connecting sleeve (102); the inner wall of the conical sleeve part of the fixed sleeve (2) is provided with a convex ring (203), and the convex ring (203) corresponds to the rubber ring (5).

4. A hydraulic pipe joint as defined in claim 1, wherein: and sealing rings (4) are arranged between the end part of the connecting part b (101-3) and the bottom of the inner hole at one end of the connecting sleeve (102), and between one end of the connecting part b (101-3) close to the connecting part a (101-2) and one end of the connecting sleeve (102).

5. A hydraulic pipe joint as defined in claim 1, wherein: a plurality of accommodating holes (101-4) are formed in the end, close to the fixed sleeve (2), of the pulling part (101-1) in an array mode, a pressing spring (7) and a pressing rod (701) are arranged in each accommodating hole (101-4), and the pressing spring (7) is located between one end of each pressing rod (701) and the bottom of each accommodating hole (101-4).