CN215634087U

CN215634087U - Double-air-inlet rolling integrated mini cylinder

Info

Publication number: CN215634087U
Application number: CN202121304297.2U
Authority: CN
Inventors: 杜学豪; 刘现综; 张卫国
Original assignee: Shandong Besten Pneumatic Technology Co ltd
Current assignee: Shandong Besten Pneumatic Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-25
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to the technical field of mini cylinders and discloses a double-air-inlet rolling integrated mini cylinder. The utility model uses the back cover double air inlet, front and back end covers and the cylinder body integrated forming process, the whole cylinder has high integral strength, the performance quality of the cylinder can not be influenced because the outer cylinder barrel is deformed by the action of external force, the air tightness in the cylinder is ensured, the service life is longer, the back cover double air inlet enables the installation to be more convenient, the front and back covers are formed simultaneously, the assembly process is simpler, and the assembly efficiency is improved.

Description

Double-air-inlet rolling integrated mini cylinder

Technical Field

The utility model relates to the technical field of mini cylinders, in particular to a double-air-inlet rolling integrated mini cylinder.

Background

The mini cylinder is generally composed of a front cover, a rear cover, a cylinder barrel, a piston rod, a piston, a sealing element and the like, an inner cavity for piston movement is formed by connecting the cylinder barrel and the end cover, and the piston is driven to reciprocate in the specific inner cavity under the action of compressed air to drive the piston rod to complete specific mechanical action. The compressed air forms a return circuit through the front air outlet hole of the front cover and the rear air outlet hole of the rear cover.

However, when the existing mini cylinder is fixed and clamped for multiple times, the requirement for multiple use cannot be met, the cylinder barrel can deform after the mini cylinder is clamped and fixed at multiple positions, and meanwhile, the mini cylinder cannot be firm at any fixed position and is easy to slide. Therefore, one skilled in the art provides a dual intake rolling integrated mini cylinder to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-inlet rolling integrated mini cylinder to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an integrative mini cylinder of roll extrusion admits air, includes interior cylinder, the externally mounted of interior cylinder has outer cylinder, and one side of interior cylinder and outer cylinder is provided with the protecgulum, the opposite side of interior cylinder and outer cylinder is provided with the back lid, the piston rod is installed in the one end embedding of protecgulum, the centre of interior cylinder and outer cylinder is provided with the room of taking a breath, first venthole and second venthole have been seted up respectively to one side from the top down of back lid, the inside of interior cylinder is provided with the piston in one side of back lid.

As a still further scheme of the utility model: two step circles are arranged on the outer portions of the front cover and the rear cover, the small step is fixedly installed with the inner cylinder barrel, and the large step is fixedly installed with the outer cylinder barrel.

As a still further scheme of the utility model: four inner holes are formed in the front cover, a first sealing ring, an oil-containing bearing, a second sealing ring and a second anti-collision pad are respectively arranged in the inner holes from left to right, and a first fixing groove is formed in the outer portion of the front cover.

As a still further scheme of the utility model: the hole of second crash pad is "V" type setting, first fixed slot is "V" type setting equally, first sealing washer is dustproof sealing washer.

As a still further scheme of the utility model: the inner part of the rear cover is also provided with an inner hole, the inner part of the inner hole is respectively provided with a first anti-collision cushion and a third sealing ring from left to right, a first air outlet and a second air outlet are respectively formed in one side of the rear cover from top to bottom, the first air outlet is communicated with the ventilation chamber, and a second fixing groove is formed in the outer part of the rear cover.

As a still further scheme of the utility model: the first anti-collision cushion is arranged in a V shape, and the third sealing ring is made of rubber.

As a still further scheme of the utility model: the outer thread of the piston rod is connected with a fixing nut, and the tail end of the piston rod penetrates through the interior of the piston and is connected with a piston fixing nut in the outer thread of the piston rod.

As a still further scheme of the utility model: three inner holes are formed in the outer portion of the piston, and a piston sealing ring, a magnetic ring and a support ring are arranged in the three inner holes from left to right respectively.

Compared with the prior art, the utility model has the beneficial effects that: the utility model uses the back cover double air inlet, the front and back end covers and the cylinder body integrated forming process, the whole cylinder has high integral strength, the performance quality of the cylinder can not be influenced because the outer cylinder barrel is deformed by the action of external force, the problems of end cover looseness, pressure leakage, operation blockage and even blocking and the like can not occur, the air tightness in the cylinder is ensured, the service life is longer, the back cover double air inlet enables the installation to be more convenient, the front and back covers are formed simultaneously, the assembly process is simpler, and the assembly efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a dual-intake rolling integrated mini cylinder;

FIG. 2 is a cross-sectional view of a cylinder structure in a dual intake rolling integrated mini cylinder;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged view of a portion B in fig. 2.

In the figure: 1. a piston rod; 2. a front cover; 3. a ventilation chamber; 4. an outer cylinder barrel; 5. an inner cylinder barrel; 6. a piston; 7. a rear cover; 8. a first air outlet hole; 9. fixing a nut; 10. a first seal ring; 11. a first fixing groove; 12. a second seal ring; 13. a second air outlet; 14. a piston seal ring; 15. a support ring; 16. a second fixing groove; 18. a piston fixing nut; 19. a third seal ring; 20. a first crash pad; 21. a second crash pad; 22. an oil-retaining bearing; 23. a magnetic ring.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, a dual-intake rolling integral mini cylinder includes an inner cylinder 5, an outer cylinder 4 is installed outside the inner cylinder 5, a front cover 2 is installed on one side of the inner cylinder 5 and the outer cylinder 4, a rear cover 7 is installed on the other side of the inner cylinder 5 and the outer cylinder 4, two step circles are respectively installed outside the front cover 2 and the rear cover 7, a small step is fixedly installed with the inner cylinder 5, a large step is fixedly installed with the outer cylinder 4, four inner holes are installed inside the front cover 2, a first sealing ring 10, an oil-containing bearing 22, a second sealing ring 12 and a second anti-collision pad 21 are respectively installed inside the inner holes from left to right, a first fixing groove 11 is installed outside the front cover 2, an inner hole of the second anti-collision pad 21 is arranged in a "V" shape ", the first fixing groove 11 is also arranged in a" V "shape", the first sealing ring 10 is a dustproof sealing ring, an inner hole is also installed inside the rear cover 7, a first anti-collision pad 20 and a third sealing ring 19 are respectively arranged in the inner hole from left to right, a first air outlet hole 8 and a second air outlet hole 13 are respectively arranged on one side of a rear cover 7 from top to bottom, the first air outlet hole 8 is communicated with a ventilation chamber 3, a second fixing groove 16 is arranged on the outside of the rear cover 7, a piston rod 1 is embedded in one end of a front cover 2, the ventilation chamber 3 is arranged between an inner cylinder 5 and an outer cylinder 4, the first air outlet hole 8 and the second air outlet hole 13 are respectively arranged on one side of the rear cover 7 from top to bottom, the first anti-collision pad 20 is arranged in a V shape, the third sealing ring 19 is made of rubber, a fixing nut 9 is connected with the outer thread of the piston rod 1, the tail end of the piston rod 1 penetrates through the inner part of the piston 6 and is connected with a piston fixing nut 18 by a thread on the outer part of the piston rod 1, a piston 6 is arranged on one side of the rear cover 7 in the inner part of the inner cylinder 5, three inner holes are formed in the outer portion of the piston 6, a piston sealing ring 14, a magnetic ring 23 and a support ring 15 are arranged in the three inner holes from left to right respectively, threads are arranged at two ends of the piston rod 1, outer end threads are connected with equipment, inner section threads are used for fixing the piston 6, and the front cover 2, the outer cylinder barrel 4, the inner cylinder barrel 5 and the rear cover 7 form a whole to guarantee the sealing performance and the strength of the cylinder.

The working principle of the utility model is as follows: when compressed air enters from a second air outlet hole 13 arranged in the rear cover 7, the end of the rear cover 7 of the inner cavity of the inner cylinder 5 generates driving force to push the piston 6 and the piston rod 1 to extend, the air at the end of the front cover 2 of the inner cavity of the inner cylinder 5 enters the scavenging chamber 3 through the hole at the end of the front cover 2 of the outer cylinder 4 and is discharged outwards through the first air outlet hole 8, when the compressed air enters from the first air outlet hole 8, the driving force is generated in the scavenging chamber 3 and enters the end of the front cover 2 of the inner cylinder 5 through the hole at the end of the front cover 2 of the inner cylinder 5 to push the piston 6 and the piston rod 1 to retract, the air at the end of the rear cover 7 of the inner cavity of the inner cylinder 5 passes through the hole and is discharged out through the second air outlet hole 13, thereby completing the cylinder stroke of the cylinder, because the utility model uses the double air inlet of the rear cover 7, the front cover 2, the rear cover 7, the inner cylinder 5 and the outer cylinder 4 integrally molding process, the whole cylinder has high integral strength, and cannot influence the performance of the outer cylinder 4 caused by the external force, the problems of looseness of the end cover, pressure leakage, blockage and even dead blockage in operation and the like can be avoided, the air tightness in the cylinder is guaranteed, the service life is longer, the installation is more convenient due to double air inlets of the rear cover 7, the front cover 2 and the rear cover 7 are formed simultaneously, the assembly process is simpler, and the assembly efficiency is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides an integrative mini cylinder of two roll extrusion that admit air, includes interior cylinder (5), its characterized in that, the externally mounted of interior cylinder (5) has outer cylinder (4), and one side of interior cylinder (5) and outer cylinder (4) is provided with protecgulum (2), the opposite side of interior cylinder (5) and outer cylinder (4) is provided with back lid (7), piston rod (1) are installed in the one end embedding of protecgulum (2), the centre of interior cylinder (5) and outer cylinder (4) is provided with scavenge chamber (3), first venthole (8) and second venthole (13) have been seted up respectively to one side from the top down of back lid (7), the inside of interior cylinder (5) is provided with piston (6) in one side of back lid (7).

2. The double-inlet rolling integrated mini cylinder as claimed in claim 1, wherein the front cover (2) and the rear cover (7) are both provided with two step circles on the outside, the small step is fixedly mounted with the inner cylinder (5), and the large step is fixedly mounted with the outer cylinder (4).

3. The double-inlet rolling integrated mini cylinder as claimed in claim 1, wherein the front cover (2) has four inner holes formed therein, the inner holes are respectively provided with a first sealing ring (10), an oil-retaining bearing (22), a second sealing ring (12) and a second anti-collision pad (21) from left to right, and the front cover (2) has a first fixing groove (11) formed therein.

4. A double inlet rolling integrated mini-cylinder as in claim 3, wherein the inner hole of the second crash pad (21) is "V" shaped, the first fixing groove (11) is also "V" shaped, and the first sealing ring (10) is a dust sealing ring.

5. The double-intake rolling integrated mini cylinder as claimed in claim 1, wherein the inside of the rear cover (7) is also provided with an inner hole, the inside of the inner hole is respectively provided with a first crash pad (20) and a third sealing ring (19) from left to right, one side of the rear cover (7) is respectively provided with a first air outlet hole (8) and a second air outlet hole (13) from top to bottom, the first air outlet hole (8) is communicated with the ventilation chamber (3), and the outside of the rear cover (7) is provided with a second fixing groove (16).

6. A double inlet rolling integral mini cylinder as in claim 5, wherein said first crash pad (20) is "V" shaped and said third gasket (19) is made of rubber.

7. A double inlet roll integrated mini cylinder according to claim 1, characterized in that the piston rod (1) is externally threaded with a fixing nut (9), and the end of the piston rod (1) penetrates the inside of the piston (6) and is externally threaded with a piston fixing nut (18) on the piston rod (1).

8. The mini cylinder as claimed in claim 1, wherein the piston (6) has three inner holes on its exterior, and the three inner holes are respectively provided with a piston sealing ring (14), a magnetic ring (23) and a support ring (15) from left to right.