CN215806921U

CN215806921U - Pneumatic connector

Info

Publication number: CN215806921U
Application number: CN202122200365.7U
Authority: CN
Inventors: 徐智慧; 徐智亮
Original assignee: Zhejiang Ruituo Pneumatic Co ltd
Current assignee: Zhejiang Ruituo Pneumatic Co ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-02-11
Anticipated expiration: 2031-09-11

Abstract

The utility model discloses a pneumatic connector, and particularly relates to the technical field of pneumatic connectors. According to the utility model, the pull ring is pulled to drive the insert block to shrink into the groove, then the second joint is aligned with the first joint and screwed in, after the pull ring is rotated in place, the spring in the groove pushes the insert block to be inserted into the slot of the first joint, so that the limiting effect is achieved, the connection between the second joint and the first joint is firmer, the phenomenon that the gas transmission is influenced due to the looseness between the second joint and the first joint after long-time use is avoided, and when the first joint and the second joint are disassembled, the gas remained in the pipeline can be discharged from the gas hole firstly, so that the gas leakage effect is achieved.

Description

Pneumatic connector

Technical Field

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

Background

The pneumatic connector is a quick-connect device for connecting a pneumatic tool and an air source, and is used for supplying compressed air of the air source to the pneumatic tool. The pneumatic connector is convenient to disassemble and assemble, has strong universality and is widely applied to various pneumatic tools at present; the existing pneumatic connector comprises an upper connector and a lower connector, wherein a valve core is usually used for being matched with a sealing ring for fixing, when a pneumatic tool is connected to the upper connector, the pneumatic connector is communicated with an air pipe for use, the pneumatic connector is mainly used for air piping, pneumatic equipment and pneumatic tool connectors and is divided into a straight connector and a bent connector which are respectively used in different occasions, and the sealing performance requirement of the pneumatic connector is higher.

The existing pneumatic connector can lead the screw thread head to be easy to loosen and even fall off due to bearing gas pressure for a long time, so that the sealing performance is poor, the pipeline pressure is unstable, higher pressure cannot be borne, and the actual use effect is reduced.

SUMMERY OF THE UTILITY MODEL

To overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a pneumatic joint to solve the above-mentioned problems occurring in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a pneumatic joint comprises a first joint, a second joint and an air pipe, wherein the first joint is arranged on one side inside the second joint, the number of the air pipes is two, the two air pipes are respectively and fixedly communicated with one side of the first joint and one side of the second joint, a plurality of air holes are arranged on the outer wall of one side of the first joint, a groove is arranged on the surface of the inner wall of one side of the second joint, the top of the groove is provided with a perforation which is communicated with the groove, an insert block is arranged in the groove, a pull rod is fixedly arranged at the top of the insertion block, the top of the pull rod penetrates through the through hole and extends to the outer side of the top of the second joint, the top of the inserting block is fixedly provided with a spring, the top of the spring is fixedly arranged on the inner wall of the top of the groove, the spring sleeve is arranged on the outer side of the pull rod, a slot is formed in the surface of the outer wall of the top of the first connector, and the insertion block is arranged in the slot and is inserted into the slot.

In a preferred embodiment, a first ring plate is connected to the first joint through a thread, a second ring plate is arranged on one side of the first ring plate, a first long rod is arranged inside the first ring plate and the second ring plate, a plurality of first connecting rods are fixedly arranged on the outer wall of the first long rod, and the plurality of first connecting rods are fixedly arranged in the first ring plate and the second ring plate respectively.

In a preferred embodiment, a third annular plate is connected to the second joint through threads, a fourth annular plate is arranged on one side of the third annular plate, a second long rod is arranged inside the third annular plate and the fourth annular plate, a plurality of second connecting rods are fixedly arranged on the outer wall of the second long rod, and the plurality of second connecting rods are fixedly arranged in the third annular plate and the fourth annular plate respectively.

In a preferred embodiment, a pull ring is fixedly arranged on the top of the pull rod.

In a preferred embodiment, a rubber pad is fixedly arranged at the bottom of the insert block, and the rubber pad is in contact with the inner wall of the slot.

In a preferred embodiment, the first joint outer wall surface is formed with an external thread, the first joint inner wall surface is formed with an internal thread, the first ring plate outer wall surface is formed with an external thread, and the first ring plate is threadedly coupled to the first joint by the external thread and the internal thread.

In a preferred embodiment, the inner wall surface of the outer wall surface of the second joint is provided with internal threads, the outer wall surface of the third annular plate is provided with external threads, the third annular plate is connected with the inner wall of the second joint through the external threads and the internal threads, and the second joint is connected with the first joint through the internal threads and the external threads.

The utility model has the technical effects and advantages that:

1. according to the utility model, the pull ring is pulled to drive the insert block to shrink into the groove, then the second joint is aligned with the first joint and screwed in, after the pull ring is rotated in place, the spring in the groove pushes the insert block to be inserted into the slot of the first joint, so that the limiting effect is achieved, the connection between the second joint and the first joint is firmer, the phenomenon that the gas transmission is influenced due to the looseness between the second joint and the first joint after long-time use is avoided, and when the first joint and the second joint are disassembled, the gas remained in the pipeline can be discharged from the gas hole firstly, so that the gas leakage effect is achieved.

2. Through be equipped with first crown plate and second crown plate on the first joint, be equipped with third crown plate and fourth crown plate on the second joint, during the installation trachea, second crown plate and fourth crown plate block respectively in trachea inside, play the effect of support to the trachea, can prevent that the trachea from buckling with first joint and second articulate respectively, influencing gaseous circulation speed.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a front view of a second joint of the present invention.

Fig. 3 is a sectional view of the overall structure of the present invention.

Fig. 4 is an enlarged view of the portion a of fig. 3 according to the present invention.

Fig. 5 is a front view of a first joint of the present invention.

Fig. 6 is a rear view of a second fitting of the present invention.

The reference signs are: 1. a first joint; 2. a second joint; 3. an air tube; 4. air holes; 5. a groove; 6. perforating; 7. inserting a block; 8. a pull rod; 9. a spring; 10. a slot; 11. a first ring plate; 12. a second ring plate; 13. a first long rod; 14. a first connecting rod; 15. a third ring plate; 16. a fourth ring plate; 17. a second long rod; 18. a second connecting rod; 19. a pull ring; 20. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-6 of the specification, the pneumatic connector of the embodiment comprises a first connector 1, a second connector 2 and two air pipes 3, wherein the first connector 1 is arranged on one side inside the second connector 2, the number of the air pipes 3 is two, the two air pipes 3 are respectively and fixedly communicated with one side of the first connector 1 and one side of the second connector 2, a plurality of air holes 4 are formed in the outer wall of one side of the first connector 1, a groove 5 is formed in the surface of the inner wall of one side of the second connector 2, a through hole 6 is formed in the top of the groove 5, the through hole 6 is communicated with the groove 5, an insert block 7 is arranged in the groove 5, the insert block 7 is inserted into an insert slot 10, the connection firmness between the first connector 1 and the second connector 2 is further improved, the first connector 1 and the second connector 2 are prevented from being loosened after the first connector 1 and the second connector 2 are used for a long time, a pull rod 8 is fixedly arranged at the top of the insert block 7, the pull rod 8 penetrates through the through hole 6 and extends to the outer side of the top of the second connector 2, the top of the plug block 7 is fixedly provided with a spring 9, the plug block 7 is firmly pushed into the slot 10 by the aid of elasticity of the spring 9, the top of the spring 9 is fixedly arranged on the inner wall of the top of the groove 5, the spring 9 is sleeved on the outer side of the pull rod 8, the slot 10 is formed in the surface of the outer wall of the top of the first connector 1, and the plug block 7 is arranged in the slot 10 and is spliced with the slot 10.

A pull ring 19 is fixedly arranged at the top of the pull rod 8, so that a worker can conveniently pull the pull rod 8 to drive the insertion block 7 to move.

The rubber pad 20 is fixedly arranged at the bottom of the inserting block 7, the rubber pad 20 is in contact with the inner wall of the inserting groove 10, and the rubber pad 20 has elasticity, so that the abrasion to the surface of the first connector 1 is reduced.

First joint 1 outer wall surface machining has the external screw thread, first joint 1 inner wall surface machining has the internal thread, 11 outer wall surface machining of first crown plate has the external screw thread, first crown plate 11 is through external screw thread and internal thread and 1 threaded connection of first joint, conveniently tears down first crown plate 11 from first joint 1 in and maintains.

The second connects 2 outer wall surface inner wall surface processing to have the internal thread, the 15 outer wall surface processing external screw threads of third crown plate, the third crown plate 15 connects 2 inner wall connections through external screw thread and internal thread and second, is convenient for pull down third crown plate 15 from the second connects 2 interior and examines the change, the second connects 2 and connects 1 threaded connection through internal thread and external screw thread, conveniently connects first joint 1 and second and connects 2 and use.

The implementation scenario is specifically as follows: when the pipeline gas exhaust device is used, a worker firstly pulls the pull ring 19 to drive the insert block 7 to move into the groove 5, then the second connector 2 is slowly screwed into the first connector 1, when the second connector 2 is screwed in place, the spring 9 between the insert block 7 and the groove 5 generates reverse thrust to push the insert block 7 to move into the slot 10 on the first connector 1 to be clamped, so that the connection between the first connector 1 and the second connector 2 is firmer, the phenomenon that the first connector 1 and the second connector 2 are loosened to generate a gap to influence gas delivery after long-time use can be effectively avoided, after the pipeline gas exhaust device is not used, the pull ring 19 is pulled to drive the pull rod 8 to move upwards, so that the insert block 7 is contracted into the groove 5 again, then the second connector 2 is reversely rotated to separate the second connector 2 from the first connector 1, when the first connector 1 is slowly separated from the second connector 2, the plurality of gas holes 4 on the first connector 1 leak out slowly, and gas in the pipeline can be exhausted from the gas holes 4, play the effect of pressure release, avoid the staff when the first joint of split 1 and second connect 2, the gas in the pipeline is direct pushes away first joint 1 and second joint 2, causes the injury to staff's hand, security when improving the use.

Referring to the accompanying

drawings

2, 3, 5 and 6 in the specification, in the pneumatic connector of this embodiment, a first annular plate 11 is connected to the inside of the first connector 1 through a screw thread, a second annular plate 12 is arranged on one side of the first annular plate 11, first long rods 13 are arranged inside the first annular plate 11 and the second annular plate 12, a plurality of first connecting rods 14 are fixedly arranged on the outer wall of the first long rod 13, the plurality of first connecting rods 14 are respectively fixedly arranged in the first annular plate 11 and the second annular plate 12, and the second annular plate 12 can play a role in supporting in the air pipe 3, so that the air pipe 3 is prevented from being bent to affect the circulation of air.

The second connects 2 inside threaded connection to have a

third crown plate

15, 15 one side of third crown plate is equipped with fourth crown plate 16, third crown plate 15 and the inside second stock 17 that is equipped with of fourth crown plate 16, the fixed a plurality of second connecting rods 18 that are equipped with of 17 outer walls of second stock, a plurality of second connecting rods 18 are fixed respectively and are established in third crown plate 15 and fourth crown plate 16, and fourth crown plate 16 plays the effect of support to trachea 3, makes trachea 3 keep smooth and easy, improves gaseous flow velocity.

The implementation scenario is specifically as follows: the first annular plate 11 is arranged in the first joint 1, the second annular plate 12 is arranged on the first annular plate 11 by using the first long rod 13 and the plurality of first connecting rods 14, when the air pipe 3 is installed, the second annular plate 12 can extend into the air pipe 3 to support the air pipe 3, the third annular plate 15 is arranged in the second joint 2, the fourth annular plate 16 is arranged on the third annular plate 15 by using the second long rod 17 and the plurality of second connecting rods 18, the fourth annular plate 16 has the same effect as the second annular plate 12, the supporting effect is realized in the air pipe 3, the air pipe 3 can be prevented from being bent at the joint of the first joint 1 and the second joint 2, the gas pressure in the pipeline is effectively prevented from being increased, the gas can better circulate, after the air pipe is not used, the first annular plate 11 and the third annular plate 15 can be respectively screwed down from the first joint 1 and the second joint 2, and the first annular plate 11, The second ring plate 12, the third ring plate 15 and the fourth ring plate 16 are inspected and replaced.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a pneumatic joint, includes first joint (1), second joint (2) and trachea (3), first joint (1) is established in the inside one side of second joint (2), trachea (3) quantity sets up to two, and two trachea (3) connect (2) one side fixed intercommunication, its characterized in that with first joint (1) one side and second respectively: a plurality of air holes (4) are arranged on the outer wall of one side of the first joint (1), a groove (5) is arranged on the surface of the inner wall of one side of the second joint (2), the top of the groove (5) is provided with a perforation (6), the perforation (6) is communicated with the groove (5), an inserting block (7) is arranged in the groove (5), a pull rod (8) is fixedly arranged at the top of the inserting block (7), the top of the pull rod (8) penetrates through the through hole (6) and extends to the outer side of the top of the second joint (2), a spring (9) is fixedly arranged at the top of the inserting block (7), the top of the spring (9) is fixedly arranged on the inner wall of the top of the groove (5), the spring (9) is sleeved outside the pull rod (8), the outer wall surface of the top of the first joint (1) is provided with a slot (10), the insertion block (7) is arranged in the slot (10) and is inserted into the slot (10).

2. A pneumatic coupling according to claim 1, wherein: first joint (1) internal thread is connected with first crown plate (11), first crown plate (11) one side is equipped with second crown plate (12), first crown plate (11) and second crown plate (12) inside are equipped with first stock (13), first stock (13) outer wall is fixed and is equipped with a plurality of head rods (14), and a plurality of head rods (14) are fixed respectively and are established in first crown plate (11) and second crown plate (12).

3. A pneumatic coupling according to claim 2, wherein: the second connects (2) internal thread to be connected with third crown plate (15), third crown plate (15) one side is equipped with fourth crown plate (16), third crown plate (15) and fourth crown plate (16) inside are equipped with second stock (17), second stock (17) outer wall is fixed and is equipped with a plurality of second connecting rods (18), and a plurality of second connecting rods (18) are fixed respectively to be established in third crown plate (15) and fourth crown plate (16).

4. A pneumatic coupling according to claim 1, wherein: and a pull ring (19) is fixedly arranged at the top of the pull rod (8).

5. A pneumatic coupling according to claim 1, wherein: the bottom of the insertion block (7) is fixedly provided with a rubber pad (20), and the rubber pad (20) is in contact with the inner wall of the slot (10).

6. A pneumatic coupling according to claim 3, wherein: first joint (1) outer wall surface machining has the external screw thread, first joint (1) inner wall surface machining has the internal thread, first crown plate (11) outer wall surface machining has the external screw thread, first crown plate (11) are through external screw thread and internal thread and first joint (1) threaded connection.

7. A pneumatic coupling according to claim 6, wherein: the second connects (2) outer wall surface inner wall surface processing has the internal thread, third crown plate (15) outer wall surface processing external screw thread, third crown plate (15) connect (2) inner wall connection through external screw thread and internal thread with the second, the second connects (2) through internal thread and external screw thread and first joint (1) threaded connection.