Pneumatic connector with locking function

Abstract

The utility model relates to the technical field of pneumatic connectors, in particular to a pneumatic connector with a locking function, which comprises a connector and a limiting plate, one end of the limiting plate is fixedly connected with the inner wall of the connector, an annular groove is arranged on the outer side wall of the connector, a locking component is mounted in the annular groove, and the limiting plate is fixedly connected with the connector. The locking component comprises a circular ring, arc-shaped plates, a sliding rod and a push rod, the circular ring is connected into the annular groove in a sliding mode, two sliding grooves are formed in the connector, and the two arc-shaped plates are connected into the sliding grooves in a sliding mode respectively and located on one side of the circular ring. And internal gas enters the arc-shaped plate through the connecting pipe, extrudes the sliding rod to move downwards and stretches the tension spring, and can be in contact with the outer surface of the hose along with downward movement of the sliding rod, so that the extrusion and clamping effects on the hose are enhanced, and the hose is prevented from being separated from the joint.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic joint technical field especially, relate to a kind of pneumatic joint with locking function. BACKGROUND

[0002] Pneumatic quick connector is a kind of quick connector mainly used for air piping, pneumatic tool, can realize pipeline intercommunication or disconnect without tool, when the sleeve ring of parent body moves to the other end, stainless steel ball automatically rolls outward, child body is disconnected under the action of the force of parent body and child body common valve spring force, valve of child body and parent body is closed respectively, and fluid flow is blocked instantaneously.

[0003] In prior art, when the end of external hose is connected with pneumatic joint, most are fixed by fastening bolt and adhesive, which leads to complex installation and dismounting process of hose. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of pneumatic joints with locking function, to solve the following shortcomings in prior art, when the end of external hose is connected with pneumatic joint in prior art, most are fixed by fastening bolt and adhesive, which leads to complex installation and dismounting process of hose.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of pneumatic joint with locking function, including joint and limit board, one end of the limit board is fixedly connected with the inner wall of the joint;

[0007] Annular groove is set in the outer wall of the joint, locking component is installed in the annular groove, the locking component includes ring, arc plate, slide rod, push rod, the ring is slidably connected in the annular groove, two slide grooves are set in the joint, two arc plates are slidably connected in the slide groove respectively, and located in one side of the ring, one side of the arc plate is fixedly connected with horizontal plate, second spring is fixedly connected between the horizontal plate and the outer wall of the joint.

[0008] Preferably, two grooves are set in the joint, push rod is slidably connected in one of the grooves, and the push rod is fixedly connected with one side of the ring.

[0009] Preferably, the end face of the arc plate away from the joint is inclined, and first spring is fixedly connected between the ring and the inner wall of the annular groove.

[0010] Preferably, a placing groove is arranged on the joint, the placing groove is communicated with the annular groove, an air bag is fixedly connected on the inner wall of the placing groove, and one end of the air bag away from the placing groove is fixedly connected with the inner wall of the annular groove.

[0011] Preferably, the arc-shaped plate is hollow, and a tension spring is arranged between one end of the sliding rod and the inner wall of the arc-shaped plate.

[0012] Preferably, the air bag is communicated with the arc-shaped plate through a connecting pipe.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1, one end of the hose is inserted into one end of the joint, and is sleeved on the outer surface of the limiting plate, at this time, the outer surface of the hose is attached to the inner wall of the joint, and the inner wall of the hose is attached to the outer wall of the limiting plate, and since the diameter of the limiting plate is slightly larger than the diameter of the hose, the sealing installation of the hose and the joint is realized.

[0015] 2, the push rod is pushed to drive the annular ring to slide leftwards in the annular groove and extrude the arc-shaped plate to move downwards in the sliding groove, and extrude the outer wall of the hose in the joint, so that the clamping action on the hose is realized, when the air bag is extruded, the internal gas enters the arc-shaped plate through the connecting pipe, the gas extrudes the sliding rod to move downwards and stretch the tension spring, the sliding rod can be in contact with the outer surface of the hose when moving downwards, the extrusion and clamping action on the hose are increased, and the hose and the joint are prevented from being separated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front structure schematic view of the pneumatic joint with the locking function;

[0017] Figure 2 It is a front structure schematic view of the pneumatic joint with the locking function; Figure 1 It is a partial enlarged view of A;

[0018] Figure 3 It is an arc-shaped plate structure schematic view of the pneumatic joint with the locking function;

[0019] Figure 4 It is a limiting plate structure schematic view of the pneumatic joint with the locking function.

[0020] In the drawing: 1 is a joint, 2 is a limiting plate, 3 is a first spring, 4 is an annular ring, 5 is a groove, 6 is a push rod, 7 is an air bag, 8 is an arc-shaped plate, 9 is a connecting pipe, 10 is a horizontal plate, 11 is a sliding rod, and 12 is a second spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] The terms such as "upper", "lower", "left", "right", "middle" and "one" in the utility model are only for clear description, and are not used to limit the scope of the utility model.

[0023] Referring to Figures 1-4 A kind of pneumatic connector with locking function, including connector 1 and limit board 2, one end of limit board 2 is fixedly connected with the inner wall of connector 1, gap is left between the outer surface of limit board 2 and the inner wall of connector 1, when soft bone cover is connected on the outer surface of limit board 2, the outer surface of soft tube is attached to the inner wall of connector 1.

[0024] Annular groove is set up in the outer side wall of connector 1, locking component is installed in annular groove, locking component includes ring 4, arc plate 8, slide bar 11, push rod 6, ring 4 is slidably connected in annular groove, two slide grooves are set up on connector 1, two arc plate 8 are slidably connected in slide groove respectively, and located in one side of ring 4, one side of arc plate 8 is fixedly connected with horizontal plate 10, the end face of arc plate 8 away from connector 1 is arranged obliquely, first spring 3 is fixedly connected between ring 4 and the inner wall of annular groove, when ring 4 moves, it can slide to the inclined surface of arc plate 8, to realize the extrusion of arc plate 8, second spring 12 is fixedly connected between horizontal plate 10 and the outer side wall of connector 1, second spring 12 can push arc plate 8 to move back, two recesses 5 are set up on connector 1, push rod 6 is slidably connected in one of recesses 5, push rod 6 is fixedly connected with one side of ring 4, the length of two recesses 5 is different.

[0025] The recess groove is communicated with annular groove, gas bag 7 is fixedly connected on the inner wall of recess groove, one end of gas bag 7 away from recess groove is fixedly connected with the inner wall of annular groove, when ring 4 moves to the other side of annular groove, at this time, gas bag 7 can be in recess groove after being compressed, arc plate 8 is hollow, tension spring is installed between one end of slide bar 11 and the inner wall of arc plate 8, gas bag 7 and arc plate 8 are communicated through connecting pipe 9.

[0026] In the utility model, in use, first one end of soft tube is inserted into one end of connector 1, and is connected on the outer surface of limit board 2, at this time, the outer surface of soft tube is attached to the inner wall of connector 1, and the inner wall of soft tube is attached to the outer wall of limit board 2, to realize the sealed installation of soft tube and connector 1.

[0027] Then push the push rod 6 and drive the ring 4 in the annular groove to slide to the left and extrude the arc plate 8 to move downward in the sliding groove, and extrude the outer wall of the hose in the joint 1, realize the clamping effect of the hose, at the same time, when the ring 4 moves to the left, the air bag 7 and the first spring 3 can be extruded, when the air bag 7 is extruded, the internal gas enters the arc plate 8 through the connecting pipe 9, the gas extrudes the sliding rod 11 to move downward, and stretches the tension spring, with the downward movement of the sliding rod 11, the sliding rod 11 can contact the outer surface of the hose, increase the extrusion and clamping effect of the hose, avoid the hose from separating from the joint 1, when the push rod 6 pushes the ring 4 to move to the left, the push rod 6 is separated from the groove 5, then rotate the ring 4 to rotate to the side of the other groove 5, release the push rod 6, the ring 4 moves to the right under the elastic force of the first spring 3, at this time, the push rod 6 is in the other groove 5, because the lengths of the two grooves 5 are different, when the push rod 6 moves to the groove 5 with shorter length, only the ring 4 is driven to move a shorter distance to the right, so that the ring 4 still cannot extrude the arc plate 8, at the same time, the groove 5 can limit the push rod 6 and the ring 4, realize the stability of the hose clamping.

[0028] In the present application, unless otherwise expressly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense.

[0029] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A pneumatic joint with locking function, comprising a joint (1) and a limiting plate (2), characterized in that, One end of the limiting plate (2) is fixedly connected with the inner wall of the joint (1); An annular groove is formed in the outer wall of the joint (1), and a locking component is installed in the annular groove, the locking component comprises a circular ring (4), an arc-shaped plate (8), a sliding rod (11) and a push rod (6), the circular ring (4) is slidably connected in the annular groove, two sliding grooves are formed in the joint (1), the two arc-shaped plates (8) are slidably connected in the sliding grooves and located on one side of the circular ring (4), one side of the arc-shaped plate (8) is fixedly connected with a horizontal plate (10), and the horizontal plate (10) is fixedly connected with the outer wall of the joint (1) through a second spring (12).

2. The pneumatic connector with locking function according to claim 1, characterized in that A push rod (6) is slidably connected in one of the two recesses (5) formed in the joint (1), and the push rod (6) is fixedly connected with one side of the circular ring (4).

3. The pneumatic coupling with locking function according to claim 1, characterized in that The end face of the arc-shaped plate (8) away from the joint (1) is inclined, and a first spring (3) is fixedly connected between the circular ring (4) and the inner wall of the annular groove.

4. The pneumatic coupling with locking function according to claim 1, characterized in that A placing groove is formed in the joint (1), the placing groove is communicated with the annular groove, and an air bag (7) is fixedly connected to the inner wall of the placing groove, and one end of the air bag (7) away from the placing groove is fixedly connected with the inner wall of the annular groove.

5. The pneumatic coupling with locking function according to claim 1, characterized in that The arc-shaped plate (8) is hollow, and a tension spring is installed between one end of the sliding rod (11) and the inner wall of the arc-shaped plate (8).

6. The pneumatic coupling with locking function according to claim 4, characterized in that The air bag (7) and the arc-shaped plate (8) are communicated through a connecting pipe (9).

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