CN212776059U

CN212776059U - Pneumatic quick coupling

Info

Publication number: CN212776059U
Application number: CN202021660048.2U
Authority: CN
Inventors: 胡立新; 张赞; 南铁铭; 谭明柱
Original assignee: Desto Pneumatic Elements Co ltd
Current assignee: Desto Pneumatic Elements Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-03-23
Anticipated expiration: 2030-08-11

Abstract

The utility model provides a pneumatic quick-operation joint relates to the pipe connection spare field, connect body and alloy including connecting, the alloy connects the fixed lower extreme that sets up at the joint body, connects the body and keeps away from the fixed connection port that is provided with of one end level that the alloy connects, and connection port's inside fixed mounting has the takeover, is provided with the external screw thread interface on the one end lateral wall of takeover, is provided with the female connection on connection port's the inside wall, is provided with between connection port and the lateral wall of takeover and relaxs to take off the subassembly. The utility model discloses in through the setting of external screw thread interface and female screw thread interface, can take over fixed mounting in the inside of connection port, through relaxing the setting of taking off the subassembly, can fix between the tip position that the butt joint pipe is close to the external screw thread interface and the lateral wall of connection port, play further fixed, whole utility model structure is simple, and the installation is convenient fast, and multiple protection effectively prevents coming off of takeover, and the practicality is high.

Description

Pneumatic quick coupling

Technical Field

The utility model relates to a pipe connection spare field especially relates to a pneumatic quick-operation joint.

Background

The pneumatic quick connector is a quick connector mainly used for air piping and pneumatic tools, and can realize pipeline connection or disconnection without tools. The pneumatic joint can be divided into two-end opening and closing type, two-end opening type and one-way opening and closing type according to the structure. The pneumatic joint is suitable for occasions such as air pipelines, air compressors, grinding machines, air drills, impact wrenches, pneumatic screwdrivers and the like.

The phenomena of product blocking, flying out of the air pipe sleeve after compressed air is introduced and the like often occur after the air pipe sleeve of the existing pneumatic connector is assembled. The main reason is that the structure of the air pipe sleeve and the metal main body and the release ring button is unreasonable, and after compressed air is introduced, the air pipe can not be pulled out due to the dead clamping with the button or the air pressure is too high, and the button is pressed down again and is popped out together with the air pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic quick-operation joint to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: a pneumatic quick connector comprises a connector body and an alloy connector, wherein the alloy connector is fixedly arranged at the lower end of the connector body, the connector body is of an L-shaped structure, a connecting port is horizontally and fixedly arranged at one end, far away from the alloy connector, of the connector body, the connecting port is of a barrel structure, a connecting pipe is fixedly arranged inside the connecting port, an external thread interface is arranged on the outer side wall of one end of the connecting pipe, an internal thread interface is arranged on the inner side wall of the connecting port, the external thread interface is in threaded fit with the internal thread interface, a loosening component is arranged between the connecting port and the outer side wall of the connecting pipe and comprises fixing screw holes, the fixing screw holes are symmetrically arranged on the upper side and the lower side of the side wall of the connecting port, fixing bolts are arranged inside the fixing screw holes, an arc-shaped clamping plate is, and a fixing groove is arranged on the outer side wall of the connecting pipe and at the same vertical position of the fixing pressing sheet, and the fixing groove is tightly combined with the fixing pressing sheet.

Preferably, the female threaded interface is provided at an end of the connection port near the fitting body.

Preferably, the cross sections of the fixed groove and the fixed pressing sheet are both in a right-angled triangle structure, and the right-angled edge is close to one side of the internal thread connector of the connecting pipe.

Preferably, a rubber pad is fixedly arranged on the inner side wall of the opening end of the connecting port by taking the central axis of the connecting port as a center, and the rubber pad is in interference fit with the outer side wall of the connecting pipe.

Preferably, the releasing and releasing assemblies are provided with four groups and are symmetrically arranged on the upper side and the lower side of the side wall of the connecting port.

Preferably, a spring is arranged on the port of the fixing screw hole towards the outer side, the fixing bolt is located on the inner side of the spring, a supporting top plate is horizontally arranged at the upper end of the fixing bolt, and the upper end of the spring is in contact with the lower side face of the supporting top plate.

Preferably, the first and second liquid crystal materials are,

the utility model has the advantages that:

the utility model discloses in through connection port's setting, can install fixedly to the pipe, setting through external screw thread interface and internal thread interface, can be with taking over fixed mounting in connection port's inside, make the takeover firm in connection, through relaxing the setting of taking off the subassembly, can fix between the terminal position that the pipe is close to external screw thread interface and connection port's the lateral wall, play further fixed, effectually prevent to take over and drop from connection port, through the setting of arc splint and fixed preforming, fixed recess on the lateral wall of takeover on the cooperation, accomplish firmly fixed to the pipe, the setting of rubber pad, can support between connection port's opening and takeover, whole utility model structure is simple, the installation is convenient fast, multiple protection effectively prevents coming off of takeover, the practicality is high.

Drawings

Fig. 1 is a schematic structural view of a pneumatic quick coupling of the present invention;

FIG. 2 is a schematic view of the connection port structure of the present invention;

fig. 3 is a schematic perspective view of the adapter tube of the present invention;

FIG. 4 is a schematic view of the arc-shaped splint of the present invention;

FIG. 5 is an enlarged view of part A of FIG. 1 according to the present invention;

reference numerals: 1. a connector body; 2. an alloy joint; 3. a connection port; 4. taking over a pipe; 5. an external thread interface; 6. an internal threaded interface; 7. releasing the component; 701. fixing screw holes; 702. fixing the bolt; 703. a bearing seat; 704. an arc-shaped splint; 705. fixing the pressing sheet; 706. fixing the groove; 8. a rubber pad; 9. a spring; 10. supporting the top plate.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-5, a pneumatic quick coupling comprises a coupling body 1 and an alloy coupling 2, the alloy coupling 2 is fixedly disposed at the lower end of the coupling body 1, the coupling body 1 is of an L-shaped structure, and one end of the coupling body 1, which is far away from the alloy coupling 2, is horizontally and fixedly provided with a connection port 3, the connection port 3 is of a cylindrical structure, a connection pipe 4 is fixedly disposed inside the connection port 3, an external thread interface 5 is disposed on the outer side wall of one end of the connection pipe 4, an internal thread interface 6 is disposed on the inner side wall of the connection port 3, the external thread interface 5 is in threaded fit with the internal thread interface 6, a loosening component 7 is disposed between the connection port 3 and the outer side wall of the connection pipe 4, the loosening component 7 comprises fixing screw holes 701, the fixing screw holes 701 are symmetrically disposed at the upper and lower sides of, the tail end of the fixing bolt 702 is rotatably provided with an arc-shaped clamping plate 704 through a bearing seat 703, the lower side of the arc-shaped clamping plate 704 is provided with a fixing pressing plate 705, the outer side wall of the connecting pipe 4 is provided with a fixing groove 706 at the same vertical position as the fixing pressing plate 705, and the fixing groove 706 is tightly combined with the fixing pressing plate 705.

The inner side wall of the opening end of the connecting port 3 is fixedly provided with a rubber pad 8 by taking the central axis of the connecting port 3 as the center, and the rubber pad 8 is in interference fit with the outer side wall of the connecting pipe 4.

A spring 9 is arranged on the port of the fixing screw hole 701 towards the outside, the fixing bolt 702 is positioned on the inner side of the spring 9, a supporting top plate 10 is horizontally arranged at the upper end of the fixing bolt 702, and the upper end of the spring 9 is in contact with the lower side surface of the supporting top plate 10.

The working principle is as follows: the one end that has external screw thread interface 5 of takeover 4 earlier passes the rubber pad 8 of connection port 3 after, continues to move inside until the external screw thread interface 5 of takeover 4 reaches the internal screw thread interface 6 position of connection port 3, then rotates takeover 4 for takeover 4 on the takeover 4 combines fixedly with internal screw thread interface 6, takeover 4 and connection port 3 inseparable combination this moment, then takes off subassembly 7 to carry out the secondary fixation to takeover 4 through putting, effectively prevents taking off of takeover 4 and take off.

After the connecting pipe 4 is fixed, the fixing groove 706 on the connecting pipe 4 is located at the same vertical position of the fixing pressing sheet 705, and the four fixing bolts 702 are rotated, so that the fixing bolts 702 rotate in the fixing screw holes 701 and move downwards, the fixing bolts 702 drive the arc-shaped clamping plate 704 to vertically move downwards until the fixing pressing sheet 705 on the lower side surface of the arc-shaped clamping plate 704 is tightly combined with the fixing groove 706, the upper side and the lower side of one end of the connecting pipe 4 are tightly wrapped by the arc-shaped clamping plate 704 and the fixing pressing sheet 705 at the moment, and the butt joint pipe 4 is well fixed.

After the fixing bolt 702 is screwed up and fixed, the spring 9 can be tightly extruded by the supporting top plate 10, so that the spring 9 is in a compression stress state, a reverse force is provided for the supporting top plate 10 at the moment, the fixing bolt 702 cannot be loosened, and the whole loosening and releasing assembly 7 is ensured to be more stable.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A pneumatic quick coupling comprises a coupling body (1) and an alloy coupling (2), and is characterized in that:

the alloy joint (2) is fixedly arranged at the lower end of the joint body (1), the joint body (1) is of an L-shaped structure, one end, far away from the alloy joint (2), of the joint body (1) is horizontally and fixedly provided with a connecting port (3), the connecting port (3) is of a barrel structure, a connecting pipe (4) is fixedly arranged inside the connecting port (3), an external thread interface (5) is arranged on the outer side wall of one end of the connecting pipe (4), an internal thread interface (6) is arranged on the inner side wall of the connecting port (3), the external thread interface (5) is in threaded fit with the internal thread interface (6), a loosening and releasing component (7) is arranged between the connecting port (3) and the outer side wall of the connecting pipe (4), the loosening and releasing component (7) comprises a fixed screw hole (701), and the fixed screw holes (701) are symmetrically arranged on the upper side and, fixed screw (701) internally mounted has fixing bolt (702), the end of fixing bolt (702) is rotated through bearing frame (703) and is installed arc splint (704), and the downside of arc splint (704) is provided with fixed preforming (705), be provided with fixed recess (706) with the vertical same position of fixed preforming (705) on the lateral wall of takeover (4), fixed recess (706) and fixed preforming (705) closely combine.

2. A pneumatic quick coupling as claimed in claim 1, wherein: the internal thread interface (6) is arranged at one end of the connecting port (3) close to the joint body (1).

3. A pneumatic quick coupling as claimed in claim 1, wherein: the cross sections of the fixing groove (706) and the fixing pressing sheet (705) are both in a right-angled triangle structure, and the right-angled edge is close to one side of the internal thread connector (6) of the connecting pipe (4).

4. A pneumatic quick coupling as claimed in claim 1, wherein: and a rubber pad (8) is fixedly arranged on the inner side wall of the opening end of the connecting port (3) by taking the central axis of the connecting port (3) as the center, and the rubber pad (8) is in interference fit with the outer side wall of the connecting pipe (4).

5. A pneumatic quick coupling as claimed in claim 1, wherein: the loosening and releasing assembly (7) is provided with four groups and symmetrically arranged on the upper side and the lower side of the side wall of the connecting port (3).

6. A pneumatic quick coupling as claimed in claim 1, wherein: the fixing bolt hole (701) is provided with a spring (9) towards the outside on the port, the fixing bolt (702) is located on the inner side of the spring (9), the upper end of the fixing bolt (702) is horizontally provided with a supporting top plate (10), and the upper end of the spring (9) is in contact with the lower side surface of the supporting top plate (10).

7. A pneumatic quick coupling as claimed in claim 1, wherein: the alloy joint (2) is made of copper-based alloy.