CN210660826U

CN210660826U - Double-acting air cylinder

Info

Publication number: CN210660826U
Application number: CN201921677851.4U
Authority: CN
Inventors: 朱振华
Original assignee: Wuxi Xinming Automatic Control Valve Co Ltd
Current assignee: Wuxi Xinming Automatic Control Valve Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-02
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a double-acting cylinder, concretely relates to cylinder technical field, the hydraulic cylinder comprises a cylinder barrel, one side fixed mounting of cylinder has the connecting block, the middle part demountable installation of cylinder has first piston rod, the second piston rod has been cup jointed in the inside activity of first piston rod, the inside demountable installation of connecting block has the butyl fine rubber, one side fixed mounting of connecting block has the fixed block, one side demountable installation of fixed block has the buffering choke valve, the top demountable installation of connecting block one side has the rear end cap. The utility model discloses a set up the drier, hold mutually supporting between box and the dust screen to reached and prevented the effect of outer leakage, avoided because when the cylinder motion, in case there is the dust to enter into the cylinder, there is the gap in the middle of making cylinder and other contact surfaces, and then make the cylinder leak outward, work efficiency is poor, influences the life of cylinder, increases maintenance cost's problem, has strengthened the practicality of device.

Description

Double-acting air cylinder

Technical Field

The utility model relates to a cylinder technical field, more specifically say, the utility model relates to a double-acting cylinder.

Background

A cylindrical metal machine member guiding the piston to perform a linear reciprocating motion in the cylinder, the air converting thermal energy into mechanical energy by expansion in the engine cylinder; the gas is compressed by a piston in a compressor cylinder to increase pressure.

However, when the double-acting air cylinder is actually used, some defects still exist, for example, the existing double-acting air cylinder has the problem of external leakage, because when the air cylinder moves, once dust or other impurities enter the air cylinder, gaps exist between the air cylinder and other contact surfaces, and further the air cylinder leaks outwards, the working efficiency is poor, the service life of the air cylinder is influenced, and the maintenance cost is increased; the problem that the existing double-acting cylinder is not wear-resistant is also solved, the existing double-acting cylinder can wear and tear the sealing gasket to a certain extent when working, the sealing performance of the cylinder can be deteriorated due to the wear of the sealing gasket, the operation can not be normal, the sealing gasket can be frequently replaced due to the wear of the sealing gasket, the work progress is slowed, and the cost is increased.

It is therefore desirable to provide an external leakage resistant, gasket resistant, double acting cylinder.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a double-acting cylinder, through setting up the drier, hold mutually supporting between box and the dust screen, thereby the effect of preventing external leakage has been reached, avoided because in the cylinder motion, in case there is dust or other impurity to enter into the cylinder, there is the gap in the middle of messenger's cylinder and other contact surfaces, and then make the cylinder leak outward, work efficiency is poor, influence the life of cylinder, increase the problem of maintenance cost, the practicality of device has been strengthened, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double-acting air cylinder, includes the cylinder, one side fixed mounting of cylinder has the connecting block, the middle part demountable installation of cylinder has first piston rod, the second piston rod has been cup jointed in the inside activity of first piston rod, the inside demountable installation of connecting block has nitrile rubber, one side fixed mounting of connecting block has the fixed block, one side demountable installation of fixed block has the buffering choke valve, the top demountable installation of connecting block one side has the rear end cap, the opposite side demountable installation of cylinder has the box that holds, the inside packing that holds the box has the drier, the fixed surface who holds the bottom of the box portion installs the fixation clamp, the gas port has been seted up on the surface of fixation clamp, one side demountable installation that holds the box has the uide bushing, one side demountable installation of uide bushing bottom has the.

In a preferred embodiment, a surface of the nitrile rubber tip is frictionally coupled to a side of the first piston rod.

In a preferred embodiment, the number of the fixing clips is two, and one side of each fixing clip is fixedly connected with the top end of one side of the cylinder barrel.

In a preferred embodiment, a metal protective ring is detachably mounted on the surface of the nitrile rubber, and a cylinder hole is formed in the middle of the nitrile rubber.

In a preferred embodiment, a fixing lug is placed at the top end of the metal guard ring, and a mounting plate is fixedly mounted on one side of the top end of the nitrile rubber.

In a preferred embodiment, the surface of the mounting plate is provided with four mounting holes.

In a preferred embodiment, a surface of a bottom end of the dust screen is frictionally coupled to one side of the first piston rod.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up the drier, hold mutually supporting between box and the dust screen to reached and prevented the effect of outer leakage, avoided because in the cylinder motion, in case there is dust or other impurity to enter into the cylinder, there is the gap in the middle of messenger's cylinder and other contact surfaces, and then makes the cylinder leak outward, work efficiency is poor, influences the life of cylinder, increases maintenance cost's problem, has strengthened the practicality of device.

2. The utility model achieves the effect of preventing the sealing gasket from wearing and tearing by arranging the mutual matching between the nitrile rubber and the metal protective ring, avoids the problem that the sealing gasket can be worn to a certain extent when the existing double-acting air cylinder works, the sealing performance of the air cylinder can be deteriorated by the wearing of the sealing gasket, and the work can not be normally operated, and the wearing of the sealing gasket can lead to the frequent replacement of the sealing gasket and slow down the work progress,

the cost is increased, and the practicability of the device is enhanced.

Drawings

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

Fig. 2 is a schematic structural view of the metal guard ring of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the containing box of the present invention.

Fig. 4 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

Fig. 5 is a schematic diagram of the sealing gasket structure of the present invention.

The reference signs are: 1. a cylinder barrel; 2. connecting blocks; 3. a first piston rod; 4. a second piston rod; 5. nitrile butadiene rubber; 6. a fixed block; 7. a buffer throttle valve; 8. a rear end cap; 9. a containing box; 10. a desiccant; 11. a fixing clip; 12. a gas port; 13. a guide sleeve; 14. a dust screen; 15. a metal guard ring; 16. a cylinder bore; 17. fixing the bump; 18. mounting a plate; 19. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in attached figures 1-5, the double-acting air cylinder comprises a cylinder barrel 1, a connecting block 2 is fixedly arranged on one side of the cylinder barrel 1, a first piston rod 3 is detachably arranged in the middle of the cylinder barrel 1, a second piston rod 4 is movably sleeved in the first piston rod 3, nitrile rubber 5 is detachably arranged in the connecting block 2, a fixed block 6 is fixedly arranged on one side of the connecting block 2, a buffering throttle valve 7 is detachably arranged on one side of the fixed block 6, a rear end cover 8 is detachably arranged at the top end of one side of the connecting block 2, a containing box 9 is detachably arranged on the other side of the cylinder barrel 1, a drying agent 10 is filled in the containing box 9, a fixing clamp 11 is fixedly arranged on the surface of the bottom end of the containing box 9, an air port 12 is formed in the surface of the fixing clamp 11, a guide sleeve 13 is detachably arranged, the surface of the top end of the nitrile rubber 5 is in friction connection with one side of the first piston rod 3, the number of the fixing clamps 11 is two, one side of each fixing clamp 11 is fixedly connected with the top end of one side of the cylinder barrel 1, a metal protection ring 15 is detachably mounted on the surface of the nitrile rubber 5, a cylinder hole 16 is formed in the middle of the nitrile rubber 5, a fixing lug 17 is placed at the top end of the metal protection ring 15, a mounting plate 18 is fixedly mounted on one side of the top end of the nitrile rubber 5, mounting holes 19 are formed in the surface of the mounting plate 18, the number of the mounting holes 19 is four, and the surface of the bottom end of the dustproof net 14 is in friction connection with one side.

The implementation mode is specifically as follows: through the arrangement of the drying agent 10, the containing box 9 and the dustproof net 14 are matched with each other, so that the effect of preventing external leakage is achieved, and the practicability of the device is enhanced;

through the mutual matching between the nitrile rubber 5 and the metal protective ring 15, the effect of preventing the sealing gasket from being wear-resistant is achieved, and the practicability of the device is enhanced.

Specifically referring to the attached drawing 2 of the specification, a metal protection ring 15 is detachably mounted on the surface of the nitrile rubber 5, a cylinder hole 16 is formed in the middle of the nitrile rubber 5, a fixing bump 17 is placed at the top end of the metal protection ring 15, a mounting plate 18 is fixedly mounted on one side of the top end of the nitrile rubber 5, mounting holes 19 are formed in the surface of the mounting plate 18, and the number of the mounting holes 19 is four.

The implementation mode is specifically as follows: the installation holes 19 are provided to facilitate the installation of the nitrile rubber 5 inside the connecting block 2.

Specifically referring to the attached figure 5 of the specification, a metal protective ring 15 is detachably mounted on the surface of the nitrile rubber 5, and a cylinder hole 16 is formed in the middle of the nitrile rubber 5.

The implementation mode is specifically as follows: the metal protective ring 15 is arranged to be beneficial to protecting the butadiene-acrylonitrile rubber 5 and prevent the butadiene-acrylonitrile rubber 5 from being extruded and deformed.

The utility model discloses the theory of operation:

a preparation stage: the various components are first assembled to allow for proper operation, and then the cylinder is allowed to start moving.

The working stage is as follows: firstly, determining the pushing force and the pulling force on the first piston rod 3 and the second piston rod 4 according to the magnitude of the force required by work, and then selecting the cylinder according to the determined pushing force and the pulling force, wherein the output force of the cylinder is slightly surplus, and if the diameter of the cylinder is selected to be small, the output force is insufficient, and the cylinder cannot work normally; however, the cylinder diameter is too large, so that the equipment is heavy and high in cost, meanwhile, the air consumption is increased, energy waste is caused, certain friction is generated on the butadiene acrylonitrile rubber 5 when the first piston rod 3 and the second piston rod 4 work, but the butadiene acrylonitrile rubber 5 is made of a wear-resistant material, so that frequent replacement is not needed, and the sealing performance during work is also ensured.

And (5) finishing: firstly, when the first piston rod 3 and the second piston rod 4 work, dust or impurities want to enter the cylinder barrel 1, at the moment, the dustproof net 14 and the drying agent 10 can act, and finally, the dust or condensed water impurities are prevented from entering the cylinder barrel 1.

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 present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a double-acting air cylinder, includes cylinder (1), one side fixed mounting of cylinder (1) has connecting block (2), the middle part demountable installation of cylinder (1) has first piston rod (3), its characterized in that: a second piston rod (4) is movably sleeved in the first piston rod (3), the interior of the connecting block (2) is detachably provided with nitrile rubber (5), one side of the connecting block (2) is fixedly provided with a fixed block (6), a buffering throttle valve (7) is detachably mounted on one side of the fixed block (6), a rear end cover (8) is detachably mounted on the top end of one side of the connecting block (2), a containing box (9) is detachably arranged at the other side of the cylinder barrel (1), a drying agent (10) is filled in the containing box (9), a fixing clamp (11) is fixedly arranged on the surface of the bottom end of the containing box (9), an air port (12) is arranged on the surface of the fixed clamp (11), a guide sleeve (13) is detachably arranged on one side of the containing box (9), one side of uide bushing (13) bottom demountable installation has dust screen (14).

2. A double acting cylinder as claimed in claim 1, wherein: the surface of the top end of the nitrile rubber (5) is in friction connection with one side of the first piston rod (3).

3. A double acting cylinder as claimed in claim 1, wherein: the number of the fixing clamps (11) is two, and one side of each fixing clamp (11) is fixedly connected with the top end of one side of the cylinder barrel (1).

4. A double acting cylinder as claimed in claim 1, wherein: the surface of the nitrile rubber (5) is detachably provided with a metal protective ring (15), and the middle part of the nitrile rubber (5) is provided with an air cylinder hole (16).

5. A double acting cylinder as claimed in claim 4, wherein: a fixing bump (17) is arranged at the top end of the metal protection ring (15), and a mounting plate (18) is fixedly mounted on one side of the top end of the nitrile rubber (5).

6. A double acting cylinder as claimed in claim 5, wherein: mounting holes (19) are formed in the surface of the mounting plate (18), and the number of the mounting holes (19) is four.

7. A double acting cylinder as claimed in claim 1, wherein: the surface of the bottom end of the dust screen (14) is in friction connection with one side of the first piston rod (3).