CN211040006U

CN211040006U - Connector locking mechanism

Info

Publication number: CN211040006U
Application number: CN201921306013.6U
Authority: CN
Inventors: 顾强; 涂宝龙; 周鼎
Original assignee: Mifu Technology Zhejiang Co ltd
Current assignee: Mifu Technology Zhejiang Co ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-07-17
Anticipated expiration: 2029-08-13

Abstract

The utility model provides a joint latched device belongs to auto-parts technical field. It has solved the unreasonable problem of current car attach fitting structure. This joint latched device, including the tubulose joint, be equipped with the big card of being the tube-shape in the tubulose joint, the one end of big card holder is the stub end, and one end is the stub end, and the symmetry is equipped with two along the wedge shape bar hole that big card holder axial set up just on big card holder wedge shape bar hole diminishes gradually along big card holder stub end towards big card holder stub end aperture, the big stub end circumference outside cover of big card holder is equipped with little card holder, the one end that little card holder is close to big card holder stub end is equipped with the direction arch with the aforesaid wedge shape bar hole one-to-one, the direction arch stretches into to carve the shape bar downthehole. This joint latched device is simple, and the industrial production of being convenient for connects closely each other, and the stability of connecting has great promotion and sets up elastic connection in many places, and the pressurized is not fragile.

Description

Connector locking mechanism

Technical Field

The utility model belongs to the technical field of auto-parts, a connect latched device is related to.

Background

The automobile is one of the choices of daily public for going on and off duty and traveling instead of walk by virtue of the advantages of convenience, multiple functions and high degree of freedom. In the transition period that new energy is gradually accepted and popularized by the public, the current fuel powered automobile as a traditional power automobile is still the mainstream automobile type in the automobile field.

And a connecting oil pipe connected through a connecting joint is arranged between the automobile engine and the oil tank. The connection joint has good sealing performance and connection reliability.

The existing connecting joint still has the following problems:

1. the elastic connection is lacked in the connecting joint, and the connecting joint is easy to damage under pressure.

2. The overall sealing of the connection joint needs to be improved.

3. The connection device of the connection joint is not tightly matched, and the connection stability needs to be improved.

Disclosure of Invention

The utility model aims at providing a joint latched device to the above-mentioned problem that prior art exists.

The purpose of the utility model can be realized by the following technical proposal:

a joint locking mechanism comprises a tubular joint, a cylindrical large clamp is arranged in the tubular joint, one end of the large clamp is a big end, the other end of the large clamp is a small end, two wedge-shaped strip-shaped holes which are arranged along the axial direction of the large clamp are symmetrically arranged on the large clamp, the aperture of the wedge-shaped strip-shaped holes is gradually reduced along the small end of the large clamp towards the large end of the large clamp, the outer side of the circumferential direction of the large head end of the large clamp is sleeved with a small clamp, one end of the small clamp close to the large head end of the large clamp is provided with guide bulges which are in one-to-one correspondence with the wedge-shaped strip-shaped holes, the guide bulges extend into the wedge-shaped strip-shaped holes, an anti-falling limiting structure is arranged between the guide protrusion and the wedge-shaped strip-shaped hole, a connection limiting structure for preventing the guide protrusion from excessively extending into the wedge-shaped strip-shaped hole is arranged between the guide protrusion and the large clamp, and an elastic positioning structure is arranged between the tubular joint and the large clamp.

In the above-mentioned joint locking mechanism, the end of the big head end of the big clip is provided with a sub-cutting groove, the sub-cutting groove is communicated with the wedge-shaped strip-shaped hole, and the end of the big head end of the big clip is provided with two elastic sub-cutting blocks.

In foretell joint latched device, the elastic locating structure is including setting up the elastic arm on elasticity cutting block, the elastic arm is connected in the big head end tip outside of big clip along big clip axial setting and one end, and the other end is towards big clip stub end, the elastic arm hugs closely and makes elasticity cutting block have the trend of inside removal all the time with the inner wall that the tubulose connects.

In the above-mentioned joint locking mechanism, the elastic positioning structure further includes a positioning protrusion disposed at an end of the elastic arm away from the large clamp, and a positioning hole disposed in the tubular joint, and the positioning protrusion is elastically clamped into the positioning hole.

In the above-mentioned joint locking mechanism, the anti-disengaging limit structure includes a limit protrusion arranged at the middle of the inner wall of the guide protrusion, and the limit protrusion abuts against the inner wall of the wedge-shaped strip-shaped hole close to the small end of the large clamp.

In the above-mentioned joint latch mechanism, the connection limiting structure includes a limiting convex shoulder arranged on the outer wall of the guide protrusion near the big head end of the big clip, and the limiting convex shoulder abuts against the inner wall of the wedge-shaped strip-shaped hole near the big head end of the big clip.

In the above-mentioned joint locking mechanism, the aperture of the outer wall of the wedge-shaped strip-shaped hole gradually decreases radially outward.

In the above-mentioned joint latching mechanism, the inner wall of the guide protrusion, which is far away from one end of the small clamp, is provided with a reverse abutting part.

In the above-mentioned joint latching mechanism, the large clamp, the elastic dividing block, the elastic arm and the positioning protrusion are of an integrated structure.

In the joint latching mechanism, the small clamp, the guide protrusion, the limiting convex shoulder and the reverse abutting part are of an integrated structure.

Compared with the prior art, the joint locking mechanism has the following advantages:

1. the joint locking mechanism is simple in structure and convenient for industrial manufacturing.

2. This joint latched device connects closely, and the stability of connecting has great promotion.

3. This joint latched device sets up many places elastic connection, and the pressurized is not fragile.

Drawings

Fig. 1 is an exploded view of the present joint latching mechanism.

Fig. 2 is a front cross-sectional view of the present connector latching mechanism.

Fig. 3 is a side cross-sectional view of the present connector latching mechanism.

In the figure, 1, a tubular joint; 11. positioning holes; 2. a large clamp; 21. a wedge-shaped strip-shaped hole; 22. cutting grooves; 23. cutting into blocks elastically; 24. a resilient arm; 25. positioning the projection; 3. a small card clip; 31. a guide projection; 32. a limiting bulge; 33. a limiting convex shoulder; 34. a reverse abutment.

Detailed Description

As shown in fig. 1-3, a joint locking mechanism, including the tubulose joint 1, be equipped with the big card holder 2 that is the tube-shape in the tubulose joint 1, the one end of big card holder 2 is the major part end, and one end is the stub end, and the symmetry is equipped with two wedge shape bar holes 21 along 2 axial settings of big card holder on big card holder 2, the major part end circumference outside cover of big card holder 2 is equipped with little card holder 3, the one end that little card holder 3 is close to 2 stub ends of big card holder is equipped with the direction arch 31 with above-mentioned wedge shape bar hole 21 one-to-one, direction arch 31 stretches into to in the wedge shape bar hole 21.

Through the cooperation between guide bulge 31 and the wedge shape bar hole 21, little clamping 3 can follow the translation of wedge shape bar hole 21, and the oil pipe of being convenient for gets into to connect and forms the hasp.

The aperture of the wedge-shaped strip-shaped hole 21 is gradually reduced along the small end of the large clamp 2 towards the large end of the large clamp 2, and the aperture of the outer wall of the wedge-shaped strip-shaped hole 21 is gradually reduced outwards in the radial direction.

This structure has strengthened big card holder 2 and little card holder 3's reliability of being connected when the installation, also makes the difficult card owner of direction arch 31 translation in wedge shape bar hole 21 simultaneously, and whole swing joint is more smooth and easy.

Be equipped with anticreep limit structure between protruding 31 and the wedge shaped bar hole 21 of direction, anticreep limit structure is including setting up in the spacing arch 32 at the protruding 31 inner wall middle part of direction, spacing arch 32 butt is close to 2 little head end one end inner walls of big clamping in wedge shaped bar hole 21.

Set up spacing arch 32, thereby prevent that oil pipe from excessively promoting little clamping 3 and making little clamping 3 break away from big clamping 2, lead to little clamping 3 part damage even.

The inner wall of the guide projection 31 at the end far away from the small clamp 3 is provided with a reverse abutting part 34.

And a reverse abutting part 34 is arranged, when the oil pipe elastically stretches into and abuts against the limiting bulge 32, the small clamp 3 is pushed to translate to a set value along the wedge-shaped strip hole 21, and the reverse abutting part 34 and the limiting bulge 32 realize bidirectional fixing of the oil pipe.

Be equipped with between guide protrusion 31 and big card holder 2 and prevent that guide protrusion 31 excessively stretches into the connection limit structure in carving shape bar hole 21, connect limit structure including setting up in guide protrusion 31 and be close to the spacing shoulder 33 on the outer wall of 2 big head ends of big card holder, spacing shoulder 33 butt is close to 2 big head end one end inner walls of big card holder in carving shape bar hole 21.

This structure can carry out further spacingly to little clamping 3 when the installation, prevents that little clamping 3 from excessively removing to big clamping 2, leads to big clamping 2 and the damage of the 3 excessive contact pressurized of little clamping.

The end part of the big end of the big clamp 2 is provided with a sub-cutting groove 22, the sub-cutting groove 22 is communicated with the wedge-shaped strip-shaped hole 21, and two elastic sub-cutting blocks 23 are formed at the end part of the big end of the big clamp 2.

The large head end of the large clamp 2 is divided into two elastic dividing and cutting blocks 23 through the dividing groove 22, so that when the guide protrusion 31 translates in the wedge-shaped strip-shaped hole 21, the deformation of the two elastic dividing and cutting blocks 23 can be utilized, and the pressure applied to the matching connection when the large clamp 2 and the small clamp 3 are installed can be reduced conveniently.

An elastic positioning structure is arranged between the tubular joint 1 and the large clamp 2.

The elastic positioning structure comprises an elastic arm 24 arranged on the elastic dividing and cutting block 23, the elastic arm 24 is arranged along the axial direction of the large clamp 2, one end of the elastic arm is connected to the outer side of the end part of the large head end of the large clamp 2, the other end of the elastic arm faces the small head end of the large clamp 2, and the elastic arm 24 is tightly attached to the inner wall of the tubular joint 1 and enables the elastic dividing and cutting block 23 to always have the trend of moving inwards.

Set up the elastic arm 24, can be through the inner wall of tubulose joint 1 to the reaction force of elastic arm 24 for elasticity divides the stripping and slicing piece 23 to have the trend of inside removal all the time, has guaranteed the support compressive strength of big clip 2, and big clip 2 is not fragile.

The elastic positioning structure further comprises a positioning bulge 25 arranged at one end, far away from the large clamp 2, of the elastic arm 24 and a positioning hole 11 arranged in the tubular joint 1, and the positioning bulge 25 is elastically clamped into the positioning hole 11.

The large clip 2 is prevented from moving within the tubular joint 1 by the positioning projection 25 engaging with the positioning hole 11.

The large clamp 2, the elastic cutting block 23, the elastic arm 24 and the positioning bulge 25 are of an integrated structure.

The integrated structure is compact, the connection is reliable, and the overall stability is strong and the fracture is not easy.

The small clamp 3, the guide protrusion 31, the limit protrusion 32, the limit shoulder 33 and the reverse abutting part 34 are of an integrated structure.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a joint locking mechanism, its characterized in that, includes tubulose joint (1), be equipped with in tubulose joint (1) and be the big clamping (2) of tube-shape, the one end of big clamping (2) is big head end, and one end is the stub end, and the symmetry is equipped with two along the wedge shape bar hole (21) of big clamping (2) axial setting on big clamping (2) just wedge shape bar hole (21) diminish gradually along big clamping (2) stub end aperture towards big clamping (2), the big head end week of big clamping (2) is equipped with little clamping (3) to the outside pot head, the one end that little clamping (3) are close to big clamping (2) stub end is equipped with direction arch (31) with above-mentioned wedge shape bar hole (21) one-to-one, direction arch (31) stretch into in wedging bar hole (21), are equipped with limit structure between direction arch (31) and wedge shape bar hole (21), a connection limiting structure for preventing the guide bulge (31) from excessively extending into the wedge-shaped strip-shaped hole (21) is arranged between the guide bulge (31) and the large clamp (2), and an elastic positioning structure is arranged between the tubular joint (1) and the large clamp (2).

2. A connector locking mechanism according to claim 1, characterized in that the large end of the large clamp (2) is provided with a split slot (22), the split slot (22) is communicated with the wedge-shaped slot (21) and the large end of the large clamp (2) is provided with two elastic split blocks (23).

3. A connector locking mechanism according to claim 2, characterized in that the elastic positioning structure comprises an elastic arm (24) arranged on the elastic dividing block (23), the elastic arm (24) is arranged along the axial direction of the large clamp (2), one end of the elastic arm is connected to the outer side of the large end of the large clamp (2), the other end of the elastic arm faces the small end of the large clamp (2), the elastic arm (24) is tightly attached to the inner wall of the tubular connector (1) and makes the elastic dividing block (23) always have the tendency of moving inwards.

4. A connector locking mechanism according to claim 3, wherein the elastic positioning structure further comprises a positioning protrusion (25) disposed at an end of the elastic arm (24) away from the large clamp (2), and a positioning hole (11) disposed in the tubular connector (1), the positioning protrusion (25) being elastically locked into the positioning hole (11).

5. The connector locking mechanism according to claim 1, wherein the anti-releasing limiting structure comprises a limiting protrusion (32) disposed at a middle portion of an inner wall of the guiding protrusion (31), and the limiting protrusion (32) abuts against an inner wall of the wedge-shaped strip-shaped hole (21) near a small end of the large clamping clip (2).

6. A connector locking mechanism according to claim 5, wherein the connection limiting structure comprises a limiting shoulder (33) arranged on the outer wall of the guide protrusion (31) close to the large end of the large clamp (2), and the limiting shoulder (33) abuts against the inner wall of the wedge-shaped strip-shaped hole (21) close to the large end of the large clamp (2).

7. A connector locking mechanism according to claim 1, wherein the outer wall of the wedge-shaped aperture (21) tapers radially outwardly.

8. A connector catch mechanism according to claim 6, wherein the guide projection (31) is provided with a counter abutment (34) on an inner wall thereof remote from the end of the clip (3).

9. A connector catch mechanism according to claim 4, wherein the large catch (2), resilient cut-out (23), resilient arm (24) and locating projection (25) are of one-piece construction.

10. A connector latch mechanism according to claim 8, wherein the small clip (3), the guide projection (31), the limit projection (32), the limit shoulder (33) and the reverse abutment (34) are of one-piece construction.