Multi-position centralized air supply type air cylinder

By designing a multi-position centralized air supply cylinder, eliminating the traditional two-end air intake and exhaust ports, and adopting an air passage structure on the middle seat and cylinder barrel, the problems of complex cylinder piping and large space occupation in existing cylinders are solved, achieving cylinder flexibility and easy installation.

CN223725011UActive Publication Date: 2025-12-26JIAXING MIQUE PNEUMATIC EQUIP
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Patent Information

Application Number
CN202423317785.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-26
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing cylinder's inlet and outlet design at both ends results in complex piping connections and occupies a large amount of space, limiting the cylinder's installation and usage flexibility.

Method used

Design a multi-position centralized air supply cylinder. By setting rodless chamber air holes and rod chamber air holes on the middle seat, as well as air passages on the base and cylinder barrel, multi-position centralized air supply is achieved, eliminating the inlet and outlet ports at both ends and simplifying pipeline connections.

Benefits of technology

It improves the flexibility and adaptability of cylinders in different application scenarios, reduces the complexity of pipeline connections and space occupation, and is simple to operate and easy to control.

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Abstract

The utility model relates to the field of air cylinders, in particular to a multi-position centralized air supply type air cylinder which comprises a middle seat, two bases, cylinder barrels, a front cover and a piston, the two bases are connected to the two sides of the middle seat through threads, the two cylinder barrels are connected to the two sides of the middle seat through threads, the bases are located in the cylinder barrels, and the front cover is arranged at the tail end of the cylinder barrels. The piston is connected with the piston rod in a riveting mode and arranged in the cylinder barrel, the tail end of the piston rod extends out of the front cover, the interior of the cylinder barrel is divided into a rodless cavity and a rod cavity through the piston rod, a rodless cavity air hole and a rod cavity air hole are formed in the middle seat, the base is provided with a base air channel, and the cylinder barrel is provided with a cylinder barrel air channel. The rodless cavity air hole is communicated with the base air channel, the base air channel is communicated with the rodless cavity, the rod cavity air hole is connected with the cylinder barrel air channel, the cylinder barrel air channel is communicated with the rod cavity, the rodless cavity air hole is communicated with the base air channel, the base air channel is communicated with the rodless cavity, the rod cavity air hole is connected with the cylinder barrel air channel, and the cylinder barrel air channel is communicated with the rod cavity. And the flexibility and adaptability of the cylinder are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of air cylinder relates to a multi -position centralized gas type air cylinder. BACKGROUND

[0002] Air cylinder is a common execution element in pneumatic system, and converts gas energy into mechanical energy through the action of compressed air to realize reciprocating motion. The traditional air cylinder generally has two air holes, which are located at both ends of the air cylinder, for air intake and exhaust, to drive the piston reciprocating. However, this design has some limitations, for example, it is not flexible enough in some application scenarios.

[0003] The existing multi -position air cylinder is generally provided with air inlet and exhaust ports at both ends, and the structure has the defects that under special working conditions, the design of the air inlet and exhaust ports at both ends of the existing air cylinder makes the pipeline connection complex, occupies a large space, and limits the installation and use of the air cylinder.

[0004] Therefore, in order to solve the problems in the prior art, a multi -position centralized gas type air cylinder with simple structure needs to be designed. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of multi -position centralized gas type air cylinder to solve the problems of prior art.

[0006] The utility model can be realized by the following technical scheme: a kind of multi -position centralized gas type air cylinder includes: middle seat, base, cylinder barrel, front cover and piston, two groups of the base are connected on the two sides of middle seat by thread, two groups of the cylinder barrel are connected in middle seat two sides and base is located in cylinder barrel interior by thread, the front cover is located in cylinder barrel terminal end, the piston and the piston rod of piston are riveted connection and are located in cylinder barrel interior, the piston rod terminal end is set out of front cover, and the cylinder barrel interior is divided into rodless cavity and rod cavity by piston rod, the middle seat is provided with rodless cavity air hole and rod cavity air hole, the base is provided with base air passage, the cylinder barrel is provided with cylinder barrel air passage, the rodless cavity air hole is connected with base air passage and set and base air passage is set to rodless cavity, the rod cavity air hole is connected with cylinder barrel air passage and cylinder barrel air passage is set to rod cavity.

[0007] Further improvement, the piston rod terminal end is sequentially provided with guide sleeve and dustproof combination ring outward, the guide sleeve is located at the inboard left end of front cover, the dustproof combination ring is located at the inboard middle part of front cover, the front cover right side is provided with snap spring, the snap spring is set to the inboard of cylinder barrel, and the front cover is fixed by snap spring.

[0008] Further improvement, the piston and front cover are provided with anti-collision pad.

[0009] Further improvement, the piston and cylinder barrel are provided with wear ring and C-shaped ring.

[0010] Further improvement, the middle seat and base, base and cylinder, front cover and cylinder, middle seat and cylinder are all provided with O-shaped sealing ring.

[0011] Compared with the prior art, the multi-position centralized gas supply type cylinder has the beneficial effects that:

[0012] Through the rodless cavity air hole and the rod cavity air hole arranged on the middle seat, and the air ducts arranged on the base and the cylinder, multi-position centralized gas supply is realized, the flexibility and adaptability of the cylinder in different application scenarios are improved, the inlet and outlet are no longer arranged at both ends in the design of the cylinder, therefore, the complexity and space occupation of pipeline connection are reduced, and the installation and use of the cylinder are more convenient, and the extension and retraction of the piston rod can be realized by changing the direction of air inlet and air outlet, the operation is simple, and the cylinder is easy to control. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model

[0014] Fig. 2 It is a structural schematic view of another view of the utility model

[0015] In the figure, 1 is a piston rod, 2 is a dustproof combined ring, 3 is a front cover, 4 is a clamping spring, 5 is an O-shaped ring, 6 is a rod cavity, 7 is a piston, 8 is a C-shaped ring, 9 is a wear-resistant ring, 10 is a rodless cavity, 11 is a middle seat, 12 is a base, 13 is a base air duct, 14 is a rodless cavity air hole, 15 is a rod cavity air hole, 16 is a cylinder, 17 is a cylinder air duct, 18 is a guide sleeve, and 19 is a collision pad. DETAILED DESCRIPTION

[0016] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer” and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0017] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms “mounting”, “connection” and “connection” should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0018] The embodiments and drawings of the utility model are combined as follows Figs. 1-2 The technical scheme of the utility model is further described.

[0019] Embodiment 1

[0020] A multi-position centralized gas supply type cylinder, comprising: a middle base 11, a base 12, a cylinder barrel 16, a front cover 3 and a piston 7, two groups of the base 12 are connected to the two sides of the middle base 11 through threads, two groups of the cylinder barrel 16 are connected to the two sides of the middle base 11 through threads and the base 12 is located inside the cylinder barrel 16, the front cover 3 is arranged at the end of the cylinder barrel 16, the piston 7 is riveted with a piston rod 1 of the piston 7 and arranged inside the cylinder barrel 16, the end of the piston rod 1 extends out of the front cover 3, the inside of the cylinder barrel 16 is divided into a rodless cavity 10 and a rod cavity 6 through the piston rod 1, the middle base 11 is provided with a rodless cavity air hole 14 and a rod cavity 6 air hole, the base 12 is provided with a base air channel 13, the cylinder barrel 16 is provided with a cylinder barrel air channel 17, the rodless cavity air hole 14 is arranged in communication with the base air channel 13 and the base air channel 13 is arranged to lead to the rodless cavity 10, and the rod cavity 6 air hole is arranged in communication with the cylinder barrel air channel 17 and the cylinder barrel air channel 17 is arranged to lead to the rod cavity 6.

[0021] As Figs. 1-2 shown, the use principle of the utility model: when working, compressed air enters from the rodless cavity air hole 14, is introduced into the rodless cavity 10 by the base air channel 13, pushes the piston 7 to move forward, the C-shaped ring 8 plays a sealing role, and the pressure of the rodless cavity 10 is maintained. At the same time, the pressure of the rod cavity 6 rises, air passes through the cylinder barrel air channel 17 from the rod cavity 6, and the piston rod 1 extends to both ends in the process of discharging the rod cavity 6 air hole. The intake and exhaust directions can also be reversed, which will make the piston rod 1 retract.

[0022] As a further preferred embodiment, the end of the piston rod 1 is sequentially provided with a guide sleeve 18 and a dustproof combined ring 2 outward, the guide sleeve 18 is located at the inner left end of the front cover 3, the dustproof combined ring 2 is located at the inner middle part of the front cover 3, the dustproof combined ring 2 ensures the sealing property between the piston rod 1 and the front cover 3, and the guide sleeve 18 increases the ability of the piston rod 1 to resist lateral force; the front cover 3 is provided with a snap spring 4, the snap spring 4 is arranged at the inner side of the cylinder barrel 16, the front cover 3 is fixed through the snap spring 4, the use of the snap spring simplifies the fixing mode of the front cover, improves the assembly efficiency and reliability.

[0023] As a further preferred embodiment, the piston 7 and the front cover 3 are provided with a bump stop pad 19, the bump stop pad can absorb the impact force when the piston moves, reduce noise and vibration, protect the internal structure of the cylinder and prolong the service life.

[0024] As a further preferred embodiment, the piston 7 and the cylinder barrel 16 are provided with a wear-resistant ring 9 and a C-shaped ring 8. The wear-resistant ring 9 reduces the wear of the piston 7 on the inner wall of the cylinder barrel 16, and the C-shaped ring 8 plays a sealing role, which ensures the normal operation of the cylinder and prolongs the service life of the cylinder.

[0025] As further preferred embodiments, O-rings 5 are provided between the middle base 11 and the base 12, between the base 12 and the cylinder barrel 16, between the front cover 3 and the cylinder barrel 16, and between the middle base 11 and the cylinder barrel 16, which improve the sealing performance of the respective connecting parts, prevent gas leakage, and ensure efficient operation of the cylinder.

[0026] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor based on the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment based on the existing technology within the scope of the claims should be within the scope of protection.

Claims

1. A multi-position centralized air supply type cylinder, characterized in that, include: The system comprises a middle seat, a base, a cylinder, a front cover, and a piston. Two sets of bases are threadedly connected to both sides of the middle seat. Two sets of cylinders are threadedly connected to both sides of the middle seat, with the bases located inside the cylinders. The front cover is located at the end of the cylinder. The piston is riveted to the piston rod and located inside the cylinder, with the end of the piston rod extending out of the front cover. The piston rod divides the interior of the cylinder into a rodless chamber and a rod chamber. The middle seat has vent holes for the rodless chamber and rod chamber. The base has a base air passage, and the cylinder has a cylinder air passage. The vent holes for the rodless chamber are connected to the base air passage, and the base air passage leads to the rodless chamber. The vent holes for the rod chamber are connected to the cylinder air passage, and the cylinder air passage leads to the rod chamber.

2. A multi-position centralized air supply type cylinder according to claim 1, characterized in that, The piston rod end is provided with a guide sleeve and a dustproof combination ring in sequence. The guide sleeve is located on the inner left side of the front cover, and the dustproof combination ring is located on the inner middle of the front cover. A retaining spring is provided on the right side of the front cover. The retaining spring is located on the inner side of the cylinder and is used to fix the front cover.

3. A multi-position centralized air supply type cylinder according to claim 1, characterized in that, An anti-collision pad is provided between the piston and the front cover.

4. A multi-position centralized air supply type cylinder according to claim 1, characterized in that, A wear-resistant ring and a C-ring are provided between the piston and the cylinder.

5. A multi-position centralized air supply cylinder according to claim 1, characterized in that, O-rings are provided between the middle seat and the base, the base and the cylinder, the front cover and the cylinder, and the middle seat and the cylinder.