CN215763761U

CN215763761U - Anti-drop hydraulic pipe joint

Info

Publication number: CN215763761U
Application number: CN202122011559.2U
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 utility model belongs to the technical field of the technique of pipe joint and specifically relates to a anticreep type hydraulic pressure coupling is related to, it establishes the joint spare on the hydraulic pressure pipe including connecting body, rotation connection locating part and cover on connecting body, joint spare one side and the hydraulic pressure pipe on the terminal surface butt of coupling nut, the locating part can be dismantled with the joint spare and be connected, will connect body both ends and the coupling nut of two hydraulic pressure pipe tip after being connected, and the joint spare is established to the cover on the hydraulic pressure pipe, and the locating part on the reuse connects the body is connected with the joint spare, joint spare this moment with the hydraulic pressure pipe on the coupling nut terminal surface butt, locating part and joint spare carry on spacingly to connecting body and hydraulic pressure pipe in the axial, make the hydraulic pressure pipe be difficult for from connecting the body pine take off, improved the compactness of connecting body and hydraulic pressure union coupling. This application has the effect that improves hydraulic pressure coupling anticreep nature.

Description

Anti-drop hydraulic pipe joint

Technical Field

The application relates to the technical field of pipe joints, in particular to a drop-proof hydraulic pipe joint.

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.

The hydraulic pressure coupling among the correlation technique is mostly the joint that both ends were equipped with the external screw thread, only need during the installation to screw up the coupling nut of hydraulic pressure pipe end portion with the external screw thread cooperation, can accomplish the pipe joint work, however when the pressure of hydraulic oil is too big, the phenomenon that drops may appear in the hydraulic pressure coupling, when the disconnection of hydraulic pressure coupling, can lead to the problem that hydraulic oil leaked and sprayed, causes certain loss and pollution.

SUMMERY OF THE UTILITY MODEL

In order to improve the anticreep nature of hydraulic pressure coupling, this application provides an anticreep type hydraulic pressure coupling.

The application provides an anticreep type hydraulic pressure coupling adopts following technical scheme:

the utility model provides an anticreep type hydraulic pressure coupling, includes the joint body, rotates locating part and the joint spare of cover on the hydraulic pressure pipe of connection on the joint body, joint spare one side and hydraulic pressure pipe go up coupling nut's terminal surface butt, the locating part can be dismantled with joint spare and be connected.

Through adopting above-mentioned technical scheme, will connect body both ends and two hydraulic pressure pipe end's coupling nut after being connected, establish joint spare at the hydraulic pressure pipe upper cover, reuse the locating part on the joint body and be connected with joint spare, joint spare this moment with the hydraulic pressure union on the coupling nut terminal surface butt, locating part and joint spare are spacing to joint body and hydraulic pressure pipe in the axial, make the difficult pine of hydraulic pressure pipe take off from the joint body, have improved the compactness of connecting body and hydraulic pressure union coupling.

Optionally, the locating part is including rotating the spacing handle of connection on the connector body lateral wall, the one end that the axis of rotation was kept away from to spacing handle is equipped with the elbow, elbow and joint spare joint.

Through adopting above-mentioned technical scheme, rotate spacing handle and can realize installing and removing of locating part and joint spare, it is simple and convenient nimble to operate, and the elbow plays main limiting displacement, and simple structure, and easy to assemble and use.

Optionally, the two sides of the joint pipe body are provided with two limiting handles which are fixedly connected through a connecting plate, and the connecting plate is arranged on one side of the limiting handle, which deviates from the bending direction of the elbow.

Through adopting above-mentioned technical scheme, carry on spacingly in joint body and hydraulic pressure pipe both sides, make joint body atress more even, be difficult for causing the phenomenon of junction disconnection, improved the anticreep nature of joint body, two spacing handle fixed connection need not rotate spacing handle in proper order and can be connected locating part and joint spare, have improved the simplicity and convenience of operation.

Optionally, the joint spare includes two joint boards and the fixed stopper that sets up on the joint board outer wall, two joint board one side is articulated, and the connection can be dismantled to the opposite side, after the installation joint board inner wall and the laminating of hydraulic pressure pipe surface, stopper and elbow joint.

Through adopting above-mentioned technical scheme, joint spare can overlap and establish and fix on hydraulic pressure pipe surface, then make elbow and stopper joint on the spacing handle, the spacing handle of both sides has also restricted the rotation of joint spare on the hydraulic pressure pipe when making the unable pine of joint spare take off, has further improved the anticreep nature of device.

Optionally, the outer contour shapes of the joint pipe body and the clamping piece are the same as the shape of the connecting nut at the end of the hydraulic pipe.

Through adopting above-mentioned technical scheme, the shape that connects body and joint spare is the same to be convenient for make spacing handle and stopper cooperate, for connecting the nut type and having kept connecting the position of stopper and spacing handle, also is convenient for aim at the stopper simultaneously, makes the two place planes flush, has saved installation time.

Optionally, a through hole is formed in one side, far away from the hinged shaft, of each clamping plate, the through holes are opposite in position and are communicated, and the clamping plates are connected through bolts penetrating through the through holes.

Through adopting above-mentioned technical scheme, the rotation that inserts the screw rod and can restrict the joint board in the through-hole makes two joint boards difficult separation, and the cover that can be firm is established on the hydraulic pressure pipe, and screw rod easy dismounting has improved the convenience when joint spare installation simultaneously.

Optionally, the joint body is equipped with the both ends department of external screw thread and is equipped with the inner tube, inner tube surface and hydraulic pressure inside pipe wall butt, and inner tube surface is equipped with anti-skidding line along circumference.

Through adopting above-mentioned technical scheme, the inner tube stretches into in the hydraulic pressure pipe, has increased the area of contact of joint body and hydraulic pressure pipe, has improved frictional force to increased the anticreep nature of joint body, the while anti-skidding line on inner tube surface can further improve friction between the two.

Optionally, a sealing ring is arranged on the end face of the joint pipe body, which is abutted against one end of the hydraulic pipe.

By adopting the technical scheme, the sealing ring can improve the air tightness between the joint pipe body and the hydraulic pipe, so that the hydraulic pipe is not easy to leak oil during working, and the safety of the device is improved.

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

1. after the two ends of the connector pipe body are connected with the connecting nuts at the end parts of the two hydraulic pipes, the clamping piece is sleeved on the hydraulic pipes, the limiting piece on the connector pipe body is used for being connected with the clamping piece, the clamping piece is abutted against the end face of the connecting nut on the hydraulic pipe at the moment, and the limiting piece and the clamping piece limit the connector pipe body and the hydraulic pipes in the axial direction, so that the hydraulic pipes are not easy to loosen from the connector pipe body, and the connection tightness between the connector pipe body and the hydraulic pipes is improved;

2. the clamping piece can be sleeved and fixed on the outer surface of the hydraulic pipe, then the elbow on the limiting handle is clamped with the limiting block, the limiting handles on the two sides can prevent the clamping piece from loosening and limit the rotation of the clamping piece on the hydraulic pipe, and the anti-falling performance of the device is further improved;

3. in the inner tube stretched into the hydraulic pressure pipe, increased the area of contact of joint body and hydraulic pressure pipe, improved frictional force to increased the anticreep nature of joint body, the while anti-skidding line on inner tube surface can further improve friction between the two.

Drawings

Fig. 1 is a schematic structural diagram of a position limiting element in a closed state according to an embodiment of the present disclosure.

Fig. 2 is a schematic structural diagram of an embodiment of the present application illustrating an open state of a limiting element.

Description of reference numerals: 100. a hydraulic tube; 101. a connecting nut; 1. a joint pipe body; 11. an inner tube; 12. anti-skid lines; 2. a limiting member; 21. a limiting handle; 22. bending the pipe; 23. a connecting plate; 3. a clamping piece; 31. a clamping and connecting plate; 32. and a limiting block.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses anticreep nature hydraulic pressure coupling. Referring to fig. 1, the connector comprises a connector body 1, a limiting member 2 and a clamping member 3, wherein threads are arranged at two ends of the connector body 1 and can be connected with a hydraulic pipe 100; the locating part 2 rotates to be connected at the surface that connects

body

1, and 3 covers of joint spare are established on the body of hydraulic pressure pipe 100, can carry on spacing to locating part 2 and joint spare 3 in the axial with locating part 2 and joint spare 3 joint through rotating locating part 2, make hydraulic pressure pipe 100 and connect body 1 within a definite time be connected more firmly, difficult pine takes off, has improved the anticreep nature of device.

Referring to fig. 1 and 2, the middle part of the joint pipe body 1 is hexagonal prism-shaped, the cross-sectional shape of the joint pipe body is the same as that of a connecting nut 101 at the end of a hydraulic pipe 100, round pipes are arranged on two sides of the joint pipe body 1, threads matched with the nut at the end of the hydraulic pipe 100 are arranged on the outer surface of each round pipe, one end, away from the joint pipe body 1, of each round pipe extends to form an inner pipe 11, the diameter of each inner pipe 11 is smaller than that of the hydraulic pipe 100 and can extend into the hydraulic pipe 100, the outer surface of each inner pipe 11 is attached to the inner wall of the hydraulic pipe 100, anti-skid threads 12 are arranged on the outer surface of each inner pipe 11 along the circumferential direction, the friction force between each inner pipe 11 and the hydraulic pipe 100 is increased, and the anti-falling performance of the joint pipe body 1 is improved; the annular groove is formed in the end face, abutted to the hydraulic pipe 100, of the circular pipe, the sealing ring is installed in the annular groove, air tightness when the hydraulic pipe 100 is connected with the joint pipe body 1 is improved, and oil leakage is not prone to occurring.

Referring to fig. 2, the limiting member 2 comprises two limiting handles 21, two elbows 22 and a connecting plate 23, the two limiting handles 21 are respectively and rotatably connected to two opposite surfaces of the outer wall of the joint pipe body 1, the rotating shafts of the two limiting handles 21 are coaxially arranged, the elbows 22 are arranged at one ends of the limiting handles 21 far away from the rotating shafts, the elbows 22 are hook-shaped, the end parts of the elbows are provided with round corners, and when the elbow joint is used, the limiting handles 21 are rotated to clamp the elbows 22 with the clamping members 3, so that the operation is convenient; connecting plate 23 sets up to the arc, both ends respectively with the spacing handle 21 fixed connection who connects body 1 both sides, and connecting plate 23 sets up in the one side of keeping away from elbow 22 and buckling, uses connecting plate 23 can two spacing handles 21 of concurrent operation, and makes and connect body 1 both sides atress more even, and difficult the leading to connects body 1 not hard up, has improved locating part 2's stability.

Referring to fig. 2, the clamping member 3 includes two clamping plates 31 and a limiting block 32, the two clamping plates 31 are provided, one sides of the two clamping plates 31 are hinged together, the other sides of the two clamping plates 31 abut against each other, and are provided with through holes which are relatively through, the through holes are connected by bolts, so that opening and closing of the clamping plates 31 are limited, the two clamping plates 31 are buckled on a pipe body of the hydraulic pipe 100, the inner surface of the installed clamping plate 31 is attached to the outer wall of the hydraulic pipe 100, the outer surface shape is the same as that of the joint pipe body 1, and the side wall of the clamping plate 31 abuts against the end surface of a connecting nut 101 on the hydraulic pipe 100; stopper 32 sets up to the cylinder piece, and fixed connection is at the clamping plate 31 surface, and the axis of rotation axial of position and spacing handle 21 is relative, and spacing handle 21 rotates back elbow 22 just with stopper 32 joint to it is spacing to bayonet joint piece 3 and locating part 2 in circumference and axial simultaneously, makes the two difficult pine take off.

The implementation principle of this application embodiment anticreep type hydraulic pressure coupling does: firstly, the circular pipes on two sides of the joint pipe body 1 are screwed into the connecting nuts 101 of the hydraulic pipe 100, then the clamping plate 31 is sleeved on the hydraulic pipe 100, the bolts penetrate through the through holes after the clamping plate 31 is buckled, the clamping pieces 3 are fixed on the hydraulic pipe 100 by installing the nuts, the clamping pieces 3 are rotated according to the position of the limiting handle 21, the position of the limiting handle 21 is opposite to that of the limiting block 32, finally, the limiting handle 21 is rotated, the limiting block 32 is placed in the hook-shaped gap at the end part of the elbow 22, and the connection of the limiting block 2 and the clamping pieces 3 is completed.

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 an anticreep type hydraulic pressure coupling which characterized in that: connect locating part (2) and the cover on hydraulic pressure pipe (100) including connecting body (1), rotating on connecting body (1) and establish joint spare (3) on hydraulic pressure pipe (100), the terminal surface butt of coupling nut (101) is gone up with hydraulic pressure pipe (100) in joint spare (3) one side, locating part (2) can be dismantled with joint spare (3) and be connected.

2. The drop-resistant hydraulic pipe joint as claimed in claim 1, wherein: locating part (2) are including rotating spacing handle (21) of connection on connecting body (1) lateral wall, the one end that the axis of rotation was kept away from in spacing handle (21) is equipped with elbow (22), elbow (22) and joint spare (3) joint.

3. The drop-resistant hydraulic pipe joint as claimed in claim 2, wherein: connect body (1) both sides and all be equipped with spacing handle (21), two spacing handle (21) pass through connecting plate (23) fixed connection, connecting plate (23) set up and deviate from one side of elbow (22) direction of buckling in spacing handle (21).

4. The drop-resistant hydraulic pipe joint as claimed in claim 3, wherein: joint spare (3) include two joint board (31) and fixed stopper (32) of setting on joint board (31) outer wall, two joint board (31) one side is articulated, and the connection can be dismantled to the opposite side, after the installation joint board (31) inner wall and the laminating of hydraulic pressure pipe (100) surface, stopper (32) and elbow (22) joint.

5. The drop-resistant hydraulic pipe joint as claimed in claim 1, wherein: the outer contour shapes of the joint pipe body (1) and the clamping piece (3) are the same as the shape of a connecting nut (101) at the end part of the hydraulic pipe (100).

6. The drop-resistant hydraulic pipe joint as claimed in claim 4, wherein: two one side of joint board (31) of keeping away from the articulated shaft has all seted up the through-hole, and the through-hole position is relative and link up, two the bolted connection of joint board (31) through passing the through-hole.

7. The drop-resistant hydraulic pipe joint as claimed in claim 1, wherein: the connector pipe body (1) is equipped with inner tube (11) in the both ends department of external screw thread, inner tube (11) surface and hydraulic pressure pipe (100) inner wall butt, and inner tube (11) surface is equipped with anti-skidding line (12) along circumference.

8. The drop-resistant hydraulic pipe joint as claimed in claim 1, wherein: and a sealing ring is arranged on the end surface of the joint pipe body (1) which is abutted against one end of the hydraulic pipe (100).