CN215445408U

CN215445408U - Pneumatic connector

Info

Publication number: CN215445408U
Application number: CN202121252662.XU
Authority: CN
Inventors: 蔡央尔
Original assignee: Oufu Fluid Technology Ningbo Co ltd
Current assignee: Oufu Fluid Technology Ningbo Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-07
Anticipated expiration: 2031-06-02

Abstract

A pneumatic connector comprises a connector body, wherein an access end and an external connection end are respectively arranged at two ends of the connector body, an access assembly is arranged in the access end, the access assembly and an externally connected air pipe form sealed buckling fit, a copper connector is sleeved outside the external connection end, a first buckling and hooking ring buckled inside is arranged at the inner end of the copper connector, and the first buckling and hooking ring and a clamping groove formed in the outer surface of the external connection end form buckling fit; the inner surface of the copper joint is provided with a raised second hook ring, the upper end of the second hook ring is provided with an inclined guide inclined plane, the lower part of the external end sequentially comprises a shaft body part, a shaft shoulder part and a shaft head part, the outer diameter of the shaft body part is larger than that of the shaft head part, the shaft shoulder part is provided with an inclined inward inner inclined plane, and the inner inclined plane and the guide inclined plane are tightly attached to each other and matched in a clamping manner; the copper joint is provided with a groove on the inner surface between the first hook ring and the second hook ring, and an O-shaped sealing ring is arranged between the groove and the joint body.

Description

Pneumatic connector

Technical Field

The utility model relates to the field of pneumatic connectors, in particular to a pneumatic connector.

Background

The pneumatic connector is a connector mainly used for air piping and pneumatic tools, when the connector which can realize pipeline connection or disconnection is not connected without tools, when a sleeve ring of a parent body moves to the other end, a stainless steel ball automatically rolls outwards, a daughter is disconnected due to the action of the spring force of the common valve of the parent body and the daughter, valves of the daughter and the parent body are respectively closed, and fluid flow is blocked instantly, the pneumatic connector can be suitable for quick connectors for connecting pneumatic tools such as air pipelines, air compressors, grinding machines, air drills, impact wrenches, pneumatic screwdrivers and the like, and the pneumatic connector can be divided into the following parts according to the structure: two ends open and close, two ends open, one-way open and close.

The traditional pneumatic connector is large in size and cannot be used in equipment with small installation space.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a pneumatic joint:

a pneumatic connector comprises a connector body, wherein an access end and an external connection end are respectively arranged at two ends of the connector body, an access assembly is arranged in the access end, the access assembly and an externally connected air pipe form sealed buckling fit, a copper connector is sleeved outside the external connection end, a first buckling and hooking ring buckled inside is arranged at the inner end of the copper connector, the inner surface of the first buckling and hooking ring protrudes downwards in an inclined mode, and the first buckling and hooking ring and a clamping groove formed in the outer surface of the external connection end form buckling fit;

the inner surface of the copper joint is provided with a raised second hook ring, the upper end of the second hook ring is provided with an inclined guide inclined plane, the lower part of the external end sequentially comprises a shaft body part, a shaft shoulder part and a shaft head part, the outer diameter of the shaft body part is larger than that of the shaft head part, the shaft shoulder part is provided with an inclined inward inner inclined plane, and the inner inclined plane and the guide inclined plane are tightly attached to each other and matched in a clamping manner;

the copper joint is provided with a groove on the inner surface between the first hook ring and the second hook ring, and a 0-shaped sealing ring is arranged between the groove and the joint body.

Preferably, the second hook ring is integrally connected with the copper joint, and the cross section of the second hook ring is of a right-angled triangle structure.

Preferably, the lower end of the second hook ring is provided with a first elastic sealing ring, and the first elastic sealing ring is sleeved on the shaft head. First elastic sealing ring not only is favorable to improving the leakproofness between copper joint and the incoming end, can cooperate the corresponding screens of shaft head portion moreover fixed, prevents that the relative copper joint of incoming end from reciprocating.

Preferably, the second hook ring comprises an integrated ring body and an inclined guide flange positioned at the upper end of the ring body, the inner inclined surface of the shaft shoulder part is connected with the inclined guide flange in a clamping manner, and the ring body is sleeved with the shaft head part.

Preferably, the outer surface of the second hook ring is provided with an external thread, the inner wall of the copper joint is provided with an internal thread corresponding to the second hook ring, and the second hook ring and the copper joint form thread fixing fit. The processing of the copper joint is more convenient, and when the copper joint is assembled, only the corresponding second clamping hook ring needs to be installed in a spiral mode, so that the copper joint is convenient and easy to operate.

Preferably, the ring body and the inclined plane guide flange are made of elastic rubber, a metal guide ring is arranged on the inner surface of the second clamping hook, and the metal guide ring covers the ring body and the inclined plane guide flange. The metal guide ring can obviously improve the wear resistance, avoid the abrasion of the second clamping hook caused by the external end and improve the sealing property of the product.

Preferably, the access assembly comprises a second elastic sealing ring, a pressing ring, a reed, a zinc sleeve and a button which are sequentially sleeved in the access end, and the second elastic sealing ring is made of rubber.

Has the advantages that: this product has adopted the mode of double cassette hook to show the structural stability who has improved joint body and copper joint, and the external end endotheca of this product is in the copper joint in addition, and simple structure is also smaller and more exquisite, is applicable to in the equipment that installation space is not enough.

Drawings

Fig. 1 is a schematic structural view of embodiment 1.

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

Fig. 3 is an enlarged schematic view of fig. 1 at B.

Fig. 4 is a schematic structural view of embodiment 2.

Fig. 5 is a schematic structural view of embodiment 3.

FIG. 6 is a schematic structural view of a second card shackle of embodiment 4.

1. A connector body; 2. a copper joint; 3. a first card shackle; 4. a card slot; 5. a second card shackle; 6. a shaft portion; 7. a shaft shoulder; 8. a shaft head portion; 9. an O-shaped sealing ring; 10. a first elastomeric seal ring; 11. a ring body; 12. a beveled guide flange; 13. a metal guide ring; 14. a second elastomeric sealing ring; 15. pressing a ring; 16. A reed; 17. a zinc sheath; 18. a button.

Detailed Description

The utility model is further illustrated below with reference to FIGS. 1 to 6 and examples 1 to 4.

Example 1: a pneumatic connector comprises a connector body 1, wherein an access end and an external connection end are respectively arranged at two ends of the connector body 1, an access component is arranged in the access end, the access component and an externally connected air pipe form sealed buckle fit, a copper connector 2 is sleeved outside the external connection end, a first clamping hook ring 3 which is internally buckled is arranged at the inner end of the copper connector 2, the inner surface of the first clamping hook ring 3 protrudes obliquely downwards, and the first clamping hook ring 3 and a clamping groove 4 which is arranged on the outer surface of the external connection end form buckle fit; the inner surface of the copper joint 2 is provided with a raised second clamping hook ring 5, the second clamping hook ring 5 is integrally connected with the copper joint 2, and the cross section of the second clamping hook ring 5 is of a right-angled triangle structure. The upper end of the second shackle 5 is provided with an inclined guide inclined plane, the lower part of the external connection end sequentially comprises a shaft body part 6, a shaft shoulder part 7 and a shaft head part 8, the outer diameter of the shaft body part 6 is larger than that of the shaft head part 8, the shaft shoulder part 7 is provided with an inclined inward inner inclined plane, and the inner inclined plane is tightly attached to the guide inclined plane and matched with the guide inclined plane in a clamping manner; the copper joint 2 is provided with a groove on the inner surface between the first shackle 3 and the second shackle 5, and an O-shaped sealing ring 9 is arranged between the groove and the joint body 1.

Example 2: a pneumatic connector comprises a connector body 1, wherein an access end and an external connection end are respectively arranged at two ends of the connector body 1, an access component is arranged in the access end, the access component and an externally connected air pipe form sealed buckle fit, a copper connector 2 is sleeved outside the external connection end, a first clamping hook ring 3 which is internally buckled is arranged at the inner end of the copper connector 2, the inner surface of the first clamping hook ring 3 protrudes obliquely downwards, and the first clamping hook ring 3 and a clamping groove 4 which is arranged on the outer surface of the external connection end form buckle fit; the inner surface of the copper joint 2 is provided with a raised second clamping hook ring 5, the second clamping hook ring 5 is integrally connected with the copper joint 2, and the cross section of the second clamping hook ring 5 is of a right-angled triangle structure. The upper end of the second shackle 5 is provided with an inclined guide inclined plane, the lower part of the external connection end sequentially comprises a shaft body part 6, a shaft shoulder part 7 and a shaft head part 8, the outer diameter of the shaft body part 6 is larger than that of the shaft head part 8, the shaft shoulder part 7 is provided with an inclined inward inner inclined plane, and the inner inclined plane is tightly attached to the guide inclined plane and matched with the guide inclined plane in a clamping manner; the copper joint 2 is provided with a groove on the inner surface between the first shackle 3 and the second shackle 5, and an O-shaped sealing ring 9 is arranged between the groove and the joint body 1.

The lower end of the second clamping hook ring 5 is provided with a first elastic sealing ring 10, and the first elastic sealing ring 10 is sleeved with a shaft head part 8. The first elastic sealing ring 10 is not only advantageous for improving the sealing between the copper joint 2 and the inlet end, but also capable of fitting a shaft.

Example 3: the utility model provides a pneumatic connector, its includes connects body 1, it is equipped with access end and outer end respectively to connect 1 both ends of body, be equipped with in the access end and insert the subassembly, insert the subassembly and constitute sealed buckle cooperation with external connection's trachea, the outer copper that has cup jointed of external end connects 2, the copper connects 2 the inner and is equipped with the first shackle 3 of interior knot, the internal surface of first shackle 3 is protruding downwards to one side, first shackle 3 constitutes buckle cooperation with draw-in groove 4 that the external end surface was equipped with.

The inner surface of the copper joint 2 is provided with a second raised hook ring 5, and the second hook ring 5 is made of hard plastic or metal. The ring comprises an integrated ring body 11 and an inclined guide flange 12 positioned at the upper end of the ring body 11, wherein the upper end surface of the inclined guide flange 12 is a guide inclined surface. The inner slope of the shaft shoulder 7 abuts against the guide slope of the slope guide flange 12. The outer surface of the second clamping shackle 5 is provided with an external thread, the inner wall of the copper joint 2 is provided with an internal thread corresponding to the second clamping shackle 5, and the second clamping shackle 5 and the copper joint 2 form thread fixing fit. The copper joint 2 is more convenient to process, and only the corresponding second clamping hook ring 5 needs to be installed in a spiral mode during assembly, so that the assembly is convenient and easy to carry out. The external end lower part includes shaft portion 6, shaft shoulder 7 and axle head portion 8 in proper order, 6 external diameters of shaft portion are greater than axle head portion 8, shaft shoulder 7 is equipped with oblique inward inner inclined plane, the screens cooperation is hugged closely with the direction inclined plane to inner inclined plane.

The copper joint 2 is provided with a groove on the inner surface between the first shackle 3 and the second shackle 5, and an O-shaped sealing ring 9 is arranged between the groove and the joint body 1.

The access assembly comprises a second elastic sealing ring 14, a pressing ring 15, a reed 16, a zinc sleeve 17 and a button 18 which are sequentially sleeved in the access end, and the second elastic sealing ring 14 is made of rubber.

Example 4: the utility model provides a pneumatic connector, its includes connects body 1, it is equipped with access end and outer end respectively to connect 1 both ends of body, be equipped with in the access end and insert the subassembly, insert the subassembly and constitute sealed buckle cooperation with external connection's trachea, the outer copper that has cup jointed of external end connects 2, the copper connects 2 the inner and is equipped with the first shackle 3 of interior knot, the internal surface of first shackle 3 is protruding downwards to one side, first shackle 3 constitutes buckle cooperation with draw-in groove 4 that the external end surface was equipped with.

The inner surface of the copper joint 2 is provided with a raised second snap ring 5, the second snap ring 5 comprises an integrated ring body 11 and an inclined guide flange 12 positioned at the upper end of the ring body 11, and the upper end surface of the inclined guide flange 12 is a guide inclined surface. The inner slope of the shaft shoulder 7 abuts against the guide slope of the slope guide flange 12. The ring body 11 and the inclined plane guide flange 12 are made of elastic rubber, the inner surface of the second hook is provided with a metal guide ring 13, and the metal guide ring 13 covers the ring body 11 and the inclined plane guide flange 12. The outer surface of the second clamping shackle 5 is provided with an external thread, the inner wall of the copper joint 2 is provided with an internal thread corresponding to the second clamping shackle 5, and the second clamping shackle 5 and the copper joint 2 form thread fixing fit. The copper joint 2 is more convenient to process, and only the corresponding second clamping hook ring 5 needs to be installed in a spiral mode during assembly, so that the assembly is convenient and easy to carry out. The external end lower part includes shaft portion 6, shaft shoulder 7 and axle head portion 8 in proper order, 6 external diameters of shaft portion are greater than axle head portion 8, shaft shoulder 7 is equipped with oblique inward inner inclined plane, the screens cooperation is hugged closely with the direction inclined plane to inner inclined plane.

It should be understood that the above-described embodiments of the present invention are merely examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And such obvious changes and modifications which are within the spirit of the utility model are deemed to be covered by the present invention.

Claims

1. A pneumatic joint comprising a joint body (1), characterized in that: the connector comprises a connector body (1), wherein an access end and an external connection end are respectively arranged at two ends of the connector body (1), an access assembly is arranged in the access end, the access assembly and an externally connected air pipe form sealed buckle fit, a copper connector (2) is sleeved outside the external connection end, a first buckle hook ring (3) which is internally buckled is arranged at the inner end of the copper connector (2), the inner surface of the first buckle hook ring (3) is obliquely and downwards protruded, and the first buckle hook ring (3) and a clamp groove (4) which is arranged on the outer surface of the external connection end form buckle fit;

the inner surface of the copper joint (2) is provided with a raised second clamping hook ring (5), the upper end of the second clamping hook ring (5) is provided with an inclined guide inclined plane, the lower part of the external connection end sequentially comprises a shaft body part (6), a shaft shoulder part (7) and a shaft head part (8), the outer diameter of the shaft body part (6) is larger than that of the shaft head part (8), the shaft shoulder part (7) is provided with an inclined inward inner inclined plane, and the inner inclined plane and the guide inclined plane are tightly attached to each other and are in clamping fit;

the copper joint (2) is provided with a groove on the inner surface between the first clamp hook ring (3) and the second clamp hook ring (5), and an O-shaped sealing ring (9) is arranged between the groove and the joint body (1).

2. A pneumatic coupling according to claim 1, wherein: the second clamping hook ring (5) is integrally connected with the copper joint (2), and the cross section of the second clamping hook ring (5) is of a right-angled triangle structure.

3. A pneumatic coupling according to claim 2, wherein: the lower end of the second clamping hook ring (5) is provided with a first elastic sealing ring (10), and the shaft head part (8) is sleeved with the first elastic sealing ring (10).

4. A pneumatic coupling according to claim 1, wherein: the second shackle (5) comprises an integrated ring body (11) and an inclined guide flange (12) positioned at the upper end of the ring body (11), the inclined guide flange (12) is connected with the inner inclined clamping surface of the shaft shoulder part (7), and the shaft head part (8) is sleeved on the ring body (11).

5. A pneumatic coupling according to claim 4, wherein: the outer surface of the second clamp hook ring (5) is provided with an external thread, the inner wall of the copper joint (2) is provided with an internal thread corresponding to the second clamp hook ring (5), and the second clamp hook ring (5) and the copper joint (2) form thread fixing fit.

6. A pneumatic coupling according to claim 5, wherein: the ring body (11) and the inclined plane guide flange (12) are made of elastic rubber, a metal guide ring (13) is arranged on the inner surface of the second clamping hook, and the metal guide ring (13) covers the ring body (11) and the inclined plane guide flange (12).

7. A pneumatic coupling according to claim 1, wherein: the access assembly comprises a second elastic sealing ring (14), a pressing ring (15), a reed (16), a zinc sleeve (17) and a button (18) which are sequentially sleeved in the access end, and the second elastic sealing ring (14) is made of rubber.