CN211010332U

CN211010332U - Quick connector

Info

Publication number: CN211010332U
Application number: CN201922161087.1U
Authority: CN
Inventors: 薛肇江; 胡龙华
Original assignee: Huirun Electrical Co ltd
Current assignee: Huirun Electrical Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-07-14
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a quick joint, which comprises a first joint section used for connecting an oil pipe joint and a second joint section which is communicated with the first joint section and used for sleeving a switching oil pipe; a clamping sleeve for clamping a nozzle flange of an oil pipe joint is arranged in the first joint section, the clamping sleeve is annular and is provided with a pressing deformation end and a clamping end, a pressing end hole is formed in the side wall of the first joint section, and the pressing deformation end protrudes out of the pressing end hole; when the pressing deformation end is pressed, the clamping sleeve is opened to allow the oil nozzle flange to penetrate through; when the pressing deformation end is loosened, the clamping sleeve is reset so that the clamping end can clamp the oil stop nozzle flange. The quick coupling can realize quick switching between the oil pipe coupling and the switching oil pipe, so that the connection and switching of the oil pipe are convenient and efficient.

Description

Quick connector

Technical Field

The utility model relates to a pipe connection technical field, in particular to quick-operation joint.

Background

The fuel pump assembly is used for conveying fuel stored in the fuel tank into a fuel pipeline of the fuel injector to supply the fuel with a certain pressure to the fuel injector, and the fuel injector injects fuel according to the instruction of the ECU to drive the automobile engine to work. In the installation process of the fuel pump assembly, the connection or the switching of oil pipes is needed, the oil pipes with different materials and calibers are usually involved, and a plurality of inconveniences exist in the switching and the connection process of the oil pipes.

Therefore, how to quickly realize the connection or switching of two oil pipes becomes a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oil pipe joint, this quick-operation joint can realize oil pipe joint and switching oil pipe's quick switching for oil pipe's connection and switching are convenient high-efficient.

In order to achieve the above object, the present invention provides an oil pipe joint, which includes a first joint section for connecting the oil pipe joint and a second joint section communicated with the first joint section and used for sleeving a switching oil pipe;

a clamping sleeve for clamping a nozzle flange of an oil pipe joint is arranged in the first joint section, the clamping sleeve is annular and is provided with a pressing deformation end and a clamping end, a pressing end hole is formed in the side wall of the first joint section, and the pressing deformation end protrudes out of the pressing end hole;

when the pressing deformation end is pressed, the clamping sleeve is opened to allow the oil nozzle flange to penetrate through; when the pressing deformation end is loosened, the clamping sleeve is reset so that the clamping end can clamp the oil stop nozzle flange.

Optionally, the first joint section includes an insertion section to which the oil supply pipe joint is inserted and an expanding clamping section to clamp the oil nipple flange, the sleeve is placed in the expanding clamping section, and the pressing end hole is opened in a side wall of the expanding clamping section.

Optionally, a pair of pressing end holes is formed in the opposite side walls of the diameter-expanding clamping section;

the cutting sleeve comprises an annular cutting sleeve body, pressing end pieces symmetrically arranged at two ends of the cutting sleeve body and a pair of clamping end pieces vertically arranged on a connecting line of the pair of pressing end pieces;

the clamping end piece protrudes inwards relative to the inner side wall of the clamping sleeve body.

Optionally, the part of the clamping end piece protruding from the inner side wall of the clamping sleeve is in an arc shape attached to the side wall of the oil pipe joint.

Optionally, the inner side wall of the insertion section is provided with a first annular groove, and a first sealing gasket is arranged in the first annular groove.

Optionally, the first annular grooves are arranged at intervals, a spacer ring is arranged between the adjacent first annular grooves, and the spacer ring and the adjacent first sealing washer are arranged in a fitting manner.

Optionally, a wedge-shaped positioning piece extending towards the insertion section is arranged on the side wall, close to the diameter-expanding clamping section, of the insertion section, a check ring used for sleeving the sealed oil pipe joint is further arranged in the insertion section, and a wedge-shaped groove matched with the wedge-shaped positioning piece is formed in the check ring.

Optionally, the first joint section and the second joint section are in vertical communication.

Optionally, a second annular groove is formed in the outer side wall of the second joint section, and a second sealing washer is arranged in the second annular groove.

Optionally, the outer side wall of the second joint section is further provided with a plurality of annular ribs, and the thickness of each annular rib increases gradually from the direction close to the port of the second joint section to the direction far away from the port of the second joint section.

Compared with the prior art, the quick connector provided by the utility model comprises a first connector section and a second connector section, wherein the first connector section is communicated with the second connector section; wherein, the first joint section is used for being connected with the oil pipe joint, and the second joint section is used for supplying switching oil pipe cover to establish. In order to realize quick-operation joint and oil pipe joint high-speed joint, be equipped with in the first joint section and be used for joint annular cutting ferrule of glib talker flange, the cutting ferrule is equipped with presses down the deformation end and stops the end, the lateral wall of first joint section is opened has the end hole of pressing down, press down the deformation end and bulge from pressing down the end hole, press down the deformation end through pressing, make annular ring shape change, and then make the glib talker flange pass from the annular cover, when loosening when pressing down the deformation end, the annular ring resets, it stops to form the end to glib talker flange to block, avoid quick-operation joint to follow the oil pipe joint slippage, then establish the connection and the switching that oil pipe joint can be realized to the second joint section with. In the installation, only need press and loosen and press the deformation end and can form the card that stops of glib talker flange to the oil pipe joint and fix for oil pipe joint's switching is convenient high-efficient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of a quick coupling according to an embodiment of the present invention;

fig. 2 is a schematic view of the ferrule of fig. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is an assembly view of the quick connector and tubing connector.

Wherein:

01-oil nozzle flange, 1-first joint section, 11-insertion section, 12-expanding clamping section, 13-wedge-shaped positioning piece, 2-second joint section, 3-clamping sleeve, 31-clamping sleeve body, 32-pressing end piece, 33-clamping end piece, 34-pressing shoulder, 4-retainer ring, 5-first sealing washer, 6-spacer ring, 7-second sealing washer and 8-annular rib.

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 work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 4, fig. 1 is a schematic view of a quick coupling according to an embodiment of the present invention, fig. 2 is a schematic view of a ferrule in fig. 1, fig. 3 is a cross-sectional view of fig. 1, and fig. 4 is an assembly view of the quick coupling and an oil pipe coupling.

The utility model provides a quick connector includes first splice segment 1 and second splice segment 2, first splice segment 1 and second splice segment 2 communicate, wherein be equipped with annular cutting ferrule 3 in the first splice segment 1, cutting ferrule 3 is equipped with presses deformation end and card end, press the shape that cutting ferrule 3 changed cutting ferrule 3 through pressing deformation end, make the glib talker flange 01 of oil pipe joint pass cutting ferrule 3, the lateral wall of first splice segment 1 then is equipped with presses the end hole, make press deformation end protrusion in this press the end hole, be convenient for press; when the pressing deformation end is loosened, the cutting sleeve 3 resets, and the clamping end connected to the cutting sleeve 3 forms clamping fixation of the oil nozzle flange 01. Above-mentioned first joint section 1 can produce the deformation through pressing cutting ferrule 3, the end of blocking then forms the cooperation with oil pipe joint's glib talker flange 01, loosen cutting ferrule 3 back, cutting ferrule 3 resets, it is fixed to realize blocking with the help of the end of blocking to glib talker flange 01, realize the quick connection that first joint section 1 is oil pipe joint relatively, then establish the quick switching that oil pipe joint can be realized on second joint section 2 with switching oil pipe cover, the efficiency and the convenience of oil pipe joint switching have been improved.

The quick coupling provided by the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments.

In a specific embodiment provided by the present invention, the first joint section 1 is divided into two sections according to the cooperation with the oil pipe joint; comprises a plugging section 11 with a smaller diameter for communicating with the second joint section 2 and for plugging the oil supply pipe joint, and an expanding plugging section 12 for plugging and fixing a nozzle flange 01 of the oil supply pipe joint and connecting the plugging section 11.

As the name suggests, the diameter of the expanding clamping section 12 is larger than that of the plugging section 11, the expanding clamping section 12 not only allows the oil pipe joint body to pass through, but also penetrates through the oil nozzle flange 01 of the oil pipe joint to form a clamping, and the expanding clamping section 12 also contains the annular clamping sleeve 3, and on the whole, the diameter of the expanding clamping section 12 is substantially equal to the diameter of the plugging section 11 plus twice the thickness of the oil nozzle flange 01 plus twice the thickness of the clamping sleeve 3.

The side wall of the diameter-expanding clamping section 12 is provided with a pressing end hole, and the pressing deformation end of the clamping sleeve 3 penetrates through the pressing end hole and protrudes out of the outer wall of the first joint section 1, so that the clamping sleeve 3 is conveniently pressed and deformed.

Specifically, the ferrule 3 includes an annular ferrule body 31, the ferrule body 31 is approximately rectangular ring-shaped, two ends of a longer side in the long direction are provided with a pair of pressing end pieces 32, two sides of a shorter side in the long direction are provided with a pair of clamping end pieces 33, the clamping end pieces 33 protrude inwards relative to the inner side wall of the ferrule body 31, so that after the oil nipple flange 01 penetrates through the ferrule body 31, the ferrule body 31 is reset, the protruding parts of the clamping end pieces 33 relative to the inner side wall of the ferrule body 31 can clamp and fix the oil nipple flange 01, and the connecting line of the pair of clamping end pieces 33 is approximately perpendicular to the connecting line of the pair of pressing end pieces 32, so that the pressing end pieces 32 are pressed to enable the clamping end pieces 33 to generate large deformation in the direction, and the oil nipple flange 01 is allowed to pass through and clamp the oil nipple. The pressing end piece 32 cooperates with the end of the ferrule body 31 to form a pressing deformation end, and the locking end piece 33 cooperates with the end of the ferrule body 31 to form a locking end.

In order to form a fit with the ferrule 3, a pair of pressing end holes are formed in opposite side walls of the diameter-expanding clamping section 12, a pair of pressing end pieces 32 of the ferrule 3 are arranged corresponding to the pressing end holes, a pair of pressing shoulders 34 are further arranged on two sides of the pressing end pieces 32 in the width direction, the pair of pressing shoulders 34 extend towards the direction away from each other, a certain limit is formed on the pressing end pieces 32, and the pressing end pieces 32 are prevented from being completely protruded from the pressing end holes.

The pressing end pieces 32 may be provided not only as a pair but also as a single piece, and the effect of deforming the ferrule body 31 by the single pressing end piece 32 is slightly inferior to that of the pair of pressing end pieces 32. The ferrule body 31, the pressing end piece 32, the locking end piece 33 and the pressing shoulder 34 are integrally formed, and are usually formed by integrally injection molding plastic with certain elastic deformation, such as PA plastic, and can also be formed by processing rubber or silica gel.

In another preferred embodiment, in order to optimize the locking of the locking end piece 33 to the oil nipple flange 01, the inner side wall of the part of the locking end piece 33 protruding out of the sleeve body 31 is arc-shaped, so that the side wall of the oil pipe joint can be attached, the sealing of the connection position is ensured, and the oil nipple flange 01 can be prevented from slipping.

Furthermore, in order to ensure the sealing of the connection position, a sealing washer is also arranged in the insertion section 11, a first annular groove is arranged on the inner side wall of the insertion section 11, and a first sealing washer 5 is arranged in the first annular groove; in order to further improve the sealing effect, the first annular grooves are arranged at intervals, and the spacing rings 6 are arranged between the first annular grooves for matching to form a combined sealing mode of the first sealing washer 5, the spacing rings 6 and the first sealing washer 5. The number of the first annular grooves may be two or more, as long as the sealing form of the first sealing gasket 5-the spacer ring 6-the first sealing gasket 5 is ensured.

The inserting section 11 is also not strictly equal-diameter section, specifically referring to fig. 3, the inserting section 11 includes a first inserting section matched with the oil pipe joint, and also includes a second inserting section communicating the first inserting section and the expanding clamping section 12, the diameter of the second inserting section is slightly larger than that of the first inserting section, and is about larger than the size of two times of the wall thickness of the spacer ring 6 of the first inserting section, so that a space for arranging the first sealing washer 5 and the spacer ring 6 is reserved between the oil pipe joint and the inner wall of the second inserting section.

The side wall of the second plugging section or the plugging section 11 close to the diameter-expanding clamping section 12 is further provided with a wedge-shaped positioning piece 13, the wedge-shaped positioning piece 13 extends from the diameter-expanding clamping section 12 towards the plugging section 11, the corresponding position of the second plugging section is provided with a check ring 4 for being sleeved on the side wall of the oil pipe joint to form sealing, and the check ring 4 is provided with a wedge-shaped groove so as to form matching clamping with the wedge-shaped positioning piece 13 and prevent the check ring 4 from falling off.

In another preferred embodiment, the first joint section 1 and the second joint section 2 are vertically communicated to form a vertical connection between the oil pipe joint and the connection oil pipe, since the connection oil pipe is mostly a rubber hose, the second joint section 2 is usually connected to the connection oil pipe in a sleeved manner, in order to prevent the connection oil pipe from slipping, the outer side wall of the second joint section 2 is provided with a plurality of annular ribs 8, the thickness of each annular rib 8 is from the direction from the port close to the second joint section 2 to the port far away from the second joint section 2, so that the connection oil pipe is easily sleeved and difficult to slip, and the outer side wall of the second joint section 2 is further provided with a second annular groove in which a second sealing gasket 7 is arranged.

The first joint section 1 and the second joint section 2 can be vertically communicated, and can be set to form communication at any included angle according to actual needs, so long as the switching function can be achieved. The first joint section 1 and the second joint section 2 are typically integrally injection molded parts. The first sealing washer 5 and the second sealing washer 7 can be rubber washers or silica gel washers, and the widths of the spacer 6 and the retainer ring 4 can be flexibly arranged as required.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The above is to the present invention provides a quick coupling which is described in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. 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 protection scope of the appended claims.

Claims

1. A quick joint is characterized by comprising a first joint section (1) used for connecting an oil pipe joint and a second joint section (2) which is communicated with the first joint section (1) and used for sleeving a switching oil pipe;

a clamping sleeve (3) used for clamping a nozzle flange (01) of an oil pipe joint is arranged in the first joint section (1), the clamping sleeve (3) is annular and is provided with a pressing deformation end and a clamping end, a pressing end hole is formed in the side wall of the first joint section (1), and the pressing deformation end protrudes out of the pressing end hole;

when the pressing deformation end is pressed, the clamping sleeve (3) is opened to allow the oil nozzle flange (01) to penetrate through; when the pressing deformation end is loosened, the clamping sleeve (3) is reset, so that the clamping end can clamp the oil stop nozzle flange (01).

2. The quick coupling according to claim 1, characterized in that the first coupling section (1) comprises a plug section (11) for plugging the oil supply line coupling and an enlarged diameter locking section (12) for locking the nipple flange (01), the ferrule (3) is disposed in the enlarged diameter locking section (12), and the pressing end hole is opened in a side wall of the enlarged diameter locking section (12).

3. The quick coupling according to claim 2, wherein a pair of said press end holes are opened on opposite side walls of said diameter-expanding locking section (12);

the cutting sleeve (3) comprises an annular cutting sleeve body (31), pressing end pieces (32) symmetrically arranged at two ends of the cutting sleeve body (31) and a pair of clamping end pieces (33) vertically arranged on a connecting line of the pair of pressing end pieces (32);

the clamping end piece (33) protrudes inwards relative to the inner side wall of the ferrule body (31).

4. The quick coupling according to claim 3, wherein the portion of the locking end piece (33) protruding from the inner side wall of the ferrule (3) is arc-shaped and is attached to the side wall of the oil pipe joint.

5. The quick coupling according to claim 3 or 4, characterized in that the inner side wall of the plug section (11) is provided with a first annular groove in which a first sealing gasket (5) is provided.

6. The quick joint according to claim 5, wherein the first annular grooves are arranged at intervals, a spacing ring (6) is arranged between the adjacent first annular grooves, and the spacing ring (6) is attached to the adjacent first sealing washer (5).

7. The quick joint according to claim 5, wherein a wedge-shaped positioning piece (13) extending towards the insertion section (11) is arranged on the side wall of the insertion section (11) close to the diameter-expanding clamping section (12), a retaining ring (4) for sleeving the sealed oil pipe joint is further arranged in the insertion section (11), and the retaining ring (4) is provided with a wedge-shaped groove matched with the wedge-shaped positioning piece (13).

8. The quick coupling according to claim 5, characterized in that the first coupling segment (1) and the second coupling segment (2) communicate vertically.

9. The quick coupling according to claim 5, characterized in that the outer side wall of the second coupling segment (2) is provided with a second annular groove in which a second sealing gasket (7) is provided.

10. The quick coupling according to claim 9, characterized in that the outer side wall of the second coupling segment (2) is further provided with a plurality of annular ribs (8), the thickness of the annular ribs (8) increasing from the direction close to the port of the second coupling segment (2) to the direction away from the port of the second coupling segment (2).