CN215763762U

CN215763762U - High leakproofness hydraulic pressure coupling

Info

Publication number: CN215763762U
Application number: CN202122011674.XU
Authority: CN
Inventors: 方兴锋
Original assignee: Shanghai Tuotian Power Technology Co ltd
Current assignee: Shanghai Tuotian Power Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-02-08
Anticipated expiration: 2031-08-25

Abstract

The application relates to a high-sealing hydraulic pipe joint, which comprises a joint component and hydraulic pipes arranged at two ends of the joint component respectively; the joint assembly comprises a joint pipe and a fixing ring coaxially sleeved on the joint pipe, a connecting section is arranged at the port of the hydraulic pipe close to the joint pipe, and the joint pipe is coaxially inserted into the connecting section; the both ends of solid fixed ring are all offered and are used for supplying the linkage segment to rotate male butt joint groove, are provided with the anticreep piece that a plurality of is used for preventing the linkage segment from breaking away from the joint pipe between solid fixed ring and the linkage segment. This application joint pipe's both ends respectively with the linkage segment threaded connection of two hydraulic pressure pipes, accomplish primary seal, the anticreep piece prevents that the linkage segment from revolving from the connecting pipe, accomplishes secondary seal, and the risk that liquid was revealed is reduced in the restriction of dual seal, improves hydraulic pressure pipe joint's the problem of revealing then.

Description

High leakproofness hydraulic pressure coupling

Technical Field

The application relates to the field of pipe joint technology, in particular to a high-sealing hydraulic pipe joint.

Background

The hydraulic pipe joint is a connecting part for connecting different hydraulic elements (such as a pump, a conveying pipeline, a reversing valve, a stop valve, a hydraulic motor and a hydraulic oil cylinder) in a hydraulic system to form a closed loop, and can be divided into a metal pipe joint and a hose joint according to the material of the connected parts and the material of conveying liquid so as to ensure the normal work of the connected parts, and is one of indispensable parts of the hydraulic system.

However, because the pressure of the hydraulic system is very high, the hydraulic pipe joint is easily subjected to internal pressure or impact force in the working process, so that the connection between the hydraulic pipe and the pipe joint is loosened, and leakage occurs.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem of revealing of hydraulic pressure coupling, this application provides a high leakproofness hydraulic pressure coupling.

The application provides a high leakproofness hydraulic pressure coupling adopts following technical scheme:

a high-sealing hydraulic pipe joint comprises a joint component and hydraulic pipes arranged at two ends of the joint component respectively;

the joint assembly comprises a joint pipe and a fixing ring coaxially sleeved on the joint pipe, a connecting section is arranged at the port of the hydraulic pipe close to the joint pipe, and the joint pipe is coaxially inserted into the connecting section;

the both ends of solid fixed ring are all offered and are used for supplying the linkage segment to rotate male butt joint groove, are provided with the anticreep piece that a plurality of is used for preventing the linkage segment from breaking away from the joint pipe between solid fixed ring and the linkage segment.

Through adopting above-mentioned technical scheme, when the hydraulic pressure pipe is connected to the coupling, the both ends of coupling pipe respectively with the linkage segment threaded connection of two hydraulic pressure pipes, accomplish primary seal, the linkage segment rotates and gets into the butt joint inslot, the anticreep piece prevents that the linkage segment from revolving from the connecting pipe, accomplishes secondary seal, the restriction of dual seal to reduce because pressure or external impulsive force make hydraulic pressure pipe and joint department be connected not hard up, lead to the risk that liquid was revealed, improve the problem of revealing of hydraulic pressure union coupling then.

Preferably, the fixing ring is provided with a plurality of sliding grooves along the radial direction, and the plurality of sliding grooves are uniformly distributed at intervals on the circumference;

the anticreep piece slides and sets up in the sliding tray, and the linkage segment is radially offered and is used for supplying anticreep piece slip male anticreep groove.

Through adopting above-mentioned technical scheme, the linkage segment rotates and gets into after the butt joint groove, and the anticreep piece slides from the sliding tray and inserts the anticreep groove, and the anticreep piece passes through sliding tray and anticreep groove linkage segment and solid fixed ring to the restriction linkage segment rotates, is connected not hard up problem with avoiding hydraulic pressure pipe and coupling.

Preferably, the anti-falling block is a cylindrical long block, one end of the anti-falling block, which is close to the anti-falling groove, is provided with a conical surface, and the connecting section is provided with an elastic washer in the anti-falling groove.

Through adopting above-mentioned technical scheme, when the anticreep piece inserts the anticreep groove, the conical surface design of anticreep piece makes the anticreep piece insert more easily or break away from the anticreep groove, and the conical surface of anticreep piece supports the elastic washer of tight anticreep inslot to improve the anticreep piece and the connection compactness of linkage segment.

Preferably, the fixing ring is provided with a clamping strip on the peripheral wall of the sliding groove, and the anti-falling block is provided with a clamping groove along the axis direction.

Through adopting above-mentioned technical scheme, when the anticreep piece inserted the anticreep groove, the draw-in groove and the card strip mutual slip of anticreep piece, until the anticreep piece supports tight resilient gasket, anticreep piece axial rotates, and the card strip breaks away from the draw-in groove for the anticreep piece is close to solid fixed ring's terminal surface and blocks the strip and supports tightly each other, thereby prevents that the anticreep piece from breaking away from the anticreep groove, and then improves the structural compactness of coupling.

Preferably, the anti-falling block is provided with a control rod, and the control rod extends out of the fixing ring.

Through adopting above-mentioned technical scheme, when the anticreep piece inserts the anticreep groove, the control lever pushes down the anticreep piece and makes the anticreep piece support tight spring washer, when the anticreep piece breaks away from the anticreep groove, the control lever lifts the anticreep piece and makes the anticreep piece keep away from spring washer, because the anticreep piece is cylindrical, therefore the control lever can drive the anticreep piece and rotate axially in the sliding tray.

Preferably, a damping piece is arranged between the connecting section and the joint pipe.

By adopting the technical scheme, when the pipe joint works, the pressure is generated due to the flowing of liquid, so that the joint of the hydraulic pipe and the joint pipe generates vibration, and the damping piece is arranged in the connecting section for reducing the vibration amplitude of the hydraulic pipe and the joint pipe.

Preferably, the damping member includes a damping sleeve made of an elastic material and a plurality of damping springs disposed in the damping sleeve.

Through adopting above-mentioned technical scheme, when liquid flows through hydraulic pressure pipe and adapter tube, adapter tube and hydraulic pressure pipe begin to support two terminal surfaces of tight shock attenuation cover on the one hand, and damping spring begins to contract to offset the pressure between some adapter tube and the hydraulic pressure pipe, in order to play the cushioning effect, on the other hand is because the elastic material of shock attenuation cover, plays sealed effect simultaneously.

Preferably, the fixing ring is provided with an elastic sealing ring in the butt joint groove.

Through adopting above-mentioned technical scheme, when elastic sealing ring made hydraulic pressure pipe and connect the siphunculus zonulae occludens, liquid was difficult for passing through from the joint gap, and elastic sealing ring has effectively guaranteed the sealed effect of coupling with the double-deck leakproofness of shock attenuation cover.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two ends of the connector pipe can be respectively connected with the two hydraulic pipes, the anti-falling block can prevent the connecting section from being separated from the connecting pipe, and double sealing limitation is realized, so that the risk of liquid leakage caused by loose connection of the hydraulic pipes and the connector is reduced, and the leakage problem of the hydraulic pipe connector is improved;

2. the control rod can press the anti-falling block downwards until the anti-falling block abuts against the elastic gasket tightly, and the control rod can control the anti-falling block to rotate axially, so that the anti-falling block and the clamping strip abut against each other tightly, the anti-falling block is prevented from separating from the anti-falling groove, and the structural tightness of the pipe joint is improved;

3. the damping sleeve can play a sealing role on one hand because elastic material, and on the other hand joint pipe can support tightly simultaneously with hydraulic pressure pipe and support two terminal surfaces of tight damping sleeve to offset the pressure between some joint pipe and the hydraulic pressure pipe, in order to play the cushioning effect.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

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

Fig. 3 is a positional relationship diagram of the anti-drop block in the embodiment of the present application.

FIG. 4 is a schematic structural view of a shock absorbing member in the embodiment of the present application.

In the figure: 1. a joint assembly; 2. a hydraulic tube; 3. a joint pipe; 4. a fixing ring; 5. a connecting section; 6. an anti-drop block; 7. a sliding groove; 8. a drop-proof groove; 9. an elastic washer; 10. clamping the strip; 11. a card slot; 12. a control lever; 13. a shock absorbing member; 131. a shock-absorbing sleeve; 132. a damping spring; 14. an elastic sealing ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses high leakproofness hydraulic pressure coupling. Referring to fig. 1 and 2, the coupling includes joint Assembly 1 and two hydraulic pressure pipes 2, joint Assembly 1 includes joint pipe 3 and solid fixed ring 4, joint pipe 3 is located to solid fixed ring 4 coaxial sleeve, and fix the intermediate position along length direction at joint pipe 3, the both ends of joint pipe 3 all are provided with the external screw thread, and the external screw thread at both ends revolves to opposite, in order to play the locking effect, linkage segment 5 has all been seted up on two hydraulic pressure pipes 2, the one end that linkage segment 5 is close to joint pipe 3 is provided with the internal thread that is connected with joint pipe 3's external screw thread, be provided with damper 13 in linkage segment 5 on being close to the terminal surface of joint pipe 3, gu install elastic seal ring 14 on solid fixed ring 4's the butt joint inslot.

Referring to fig. 2 and 3, the two ends of the fixing ring 4 are both provided with a butt-joint groove, and one end of the connecting section 5 close to the fixing ring 4 is rotatably inserted into the butt-joint groove. The fixing ring 4 is provided with a plurality of sliding grooves 7 penetrating through the butt joint grooves at intervals along the radial direction, the connecting section 5 is provided with an anti-falling groove 8 right facing the opening of the sliding groove 7, and an elastic gasket 9 is arranged in the anti-falling groove 8.

Referring to fig. 2 and 3, it is provided with a plurality of anticreep piece 6 to slide between solid fixed ring 4 and linkage segment 5, and a plurality of anticreep piece 6 slides respectively between sliding tray 7 and the anticreep groove 8 of intercommunication each other, and anticreep piece 6 is cylindrical long piece, and length is greater than the degree of depth in anticreep groove 8 for solid fixed ring 4 and linkage segment 5 can be connected simultaneously to anticreep piece 6. The anti-disengaging block 6 is close to one end of the anti-disengaging groove 8 and is inclined inwards along the axis direction to form a conical surface, and the conical surface of the anti-disengaging block 6 abuts against the elastic washer 9, so that looseness between the hydraulic pipe 2 and the joint component 1 is prevented.

Referring to fig. 3, fixed ring 4 is provided with a plurality of card strip 10 at the interval on the perisporium of sliding tray 7, and a plurality of card strip 10 is located the coplanar, and lays along the axis direction of perpendicular to sliding tray 7, and anticreep piece 6 has seted up a plurality of along the axis direction and has had draw-in groove 11, draw-in groove 11 and card strip 10 sliding connection, and anticreep piece 6 is close to the terminal surface of fixed ring 4 and blocks strip 10 and support tightly each other. The end face of the anti-falling block 6 close to the fixing ring 4 is coaxially in threaded connection with a control rod 12, and the control rod 12 extends out of the fixing ring 4.

When the anti-drop block 6 starts to be inserted into the anti-drop groove 8, the control rod 12 controls the anti-drop block 6 to slide in the direction close to the anti-drop groove 8, so that the anti-drop block 6 abuts against the elastic washer 9, and the clamping strip 10 at the moment is separated from the clamping groove 11. Then, the control rod 12 is rotated to drive the anti-falling block 6 to rotate in the sliding groove 7, the end face of the anti-falling block 6, which is close to the fixing ring 4, is tightly abutted against the clamping strip 10, the anti-falling block 6 is tightly abutted against the clamping strip 10 by the elastic gasket, and the risk that the anti-falling block 6 is separated from the sliding groove 7 due to vibration is avoided.

Referring to fig. 1 and 4, the damping member 13 includes a damping sleeve 131 and a plurality of damping springs 132, the damping sleeve 131 is made of elastic material and is coaxially disposed in the connecting section 5, and the plurality of damping springs 132 are fixed in the damping sleeve 131 along the axial direction and are circumferentially and uniformly spaced. When the connecting section 5 is connected with the joint pipe 3, the end surface of the joint pipe 3 abuts against the damping sleeve 131, and then the damping sleeve 131 plays a role in damping on one hand and plays a role in sealing on the other hand.

The implementation principle of the high leakproofness hydraulic pressure coupling of the embodiment of this application does: when the pipe joint works, firstly, two hydraulic pipes 2 are respectively in threaded connection with two ends of a joint pipe 3 until an anti-falling groove 8 of a connecting section 5 is communicated with a sliding groove 7 of a fixing ring 4, at the moment, two ends of the joint pipe 3 respectively support a damping sleeve 131 tightly, the connecting section 5 supports an elastic sealing ring 14 tightly, secondly, a control rod 12 is pressed downwards, an anti-falling block 6 is inserted into the anti-falling groove 8 in a sliding mode until a clamping strip 10 is separated from a clamping groove 11, at the moment, the anti-falling block 6 supports an elastic gasket 9 tightly, then, the control rod 12 is rotated, the anti-falling block 6 rotates until the end face of the anti-falling block 6 corresponding to the clamping strip 10 is far away from the clamping groove 11, the control rod 12 is loosened, the clamping strip 10 supports the anti-falling block 6 tightly, and finally, the control rod 12 rotates to separate from the anti-falling block 6, and finally, the leakage problem of the hydraulic pipe 2 joint is solved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high leakproofness hydraulic pressure coupling which characterized in that: comprises a joint component (1) and hydraulic pipes (2) respectively arranged at two ends of the joint component (1);

the joint assembly (1) comprises a joint pipe (3) and a fixing ring (4) coaxially sleeved on the joint pipe (3), a connecting section (5) is arranged at the port of the hydraulic pipe (2) close to the joint pipe (3), and the joint pipe (3) is coaxially inserted into the connecting section (5);

the both ends of solid fixed ring (4) are all offered and are used for supplying linkage segment (5) to rotate male butt joint groove, are provided with a plurality of between solid fixed ring (4) and linkage segment (5) and are used for preventing that linkage segment (5) break away from anticreep piece (6) that connect pipe (3).

2. The high-sealability hydraulic pipe joint according to claim 1, wherein: the fixing ring (4) is provided with a plurality of sliding grooves (7) along the radial direction, and the sliding grooves (7) are uniformly distributed at intervals on the circumference;

the anti-drop block (6) is arranged in the sliding groove (7) in a sliding mode, and the connecting section (5) is provided with an anti-drop groove (8) for the anti-drop block (6) to be inserted in a sliding mode in a radial mode.

3. The high-sealability hydraulic pipe joint according to claim 2, wherein: anticreep piece (6) are cylindrical long piece, and anticreep piece (6) are close to anticreep groove (8) one end and set up to the conical surface, and linkage segment (5) are provided with spring washer (9) in anticreep groove (8).

4. The high-sealability hydraulic pipe joint according to claim 2, wherein: the fixing ring (4) is provided with a clamping strip (10) on the peripheral wall of the sliding groove (7), and the anti-falling block (6) is provided with a clamping groove (11) along the axis direction.

5. A high-sealability hydraulic pipe joint according to claim 3, wherein: the anti-falling block (6) is provided with a control rod (12), and the control rod (12) extends out of the fixing ring (4).

6. The high-sealability hydraulic pipe joint according to claim 1, wherein: and a damping piece (13) is arranged between the connecting section (5) and the joint pipe (3).

7. The high-sealability hydraulic pipe joint according to claim 6, wherein: the shock absorbing piece (13) comprises a shock absorbing sleeve (131) made of elastic materials and a plurality of shock absorbing springs (132) arranged in the shock absorbing sleeve (131).

8. The high-sealability hydraulic pipe joint according to claim 1, wherein: and the fixing ring (4) is provided with an elastic sealing ring (14) in the butt joint groove.