CN217814254U

CN217814254U - A cylinder pipe for high wearability of pneumatic cylinder

Info

Publication number: CN217814254U
Application number: CN202221828973.0U
Authority: CN
Inventors: 支向军
Original assignee: Wuxi Jiangnan High Precision Cold-Drawn Pipe Co ltd
Current assignee: Wuxi Jiangnan High Precision Cold-Drawn Pipe Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-11-15
Anticipated expiration: 2032-07-15

Abstract

The utility model relates to a cylinder pipe for high wearability of pneumatic cylinder, its characterized in that: the device comprises a pipe body, a cover body covering the port of the pipe body, a supporting mechanism for inhibiting the pipe body from vibrating and connecting discs arranged around two ends of the pipe body; the cover bodies are connected to two ends of the pipe body; the supporting mechanism is supported around the pipe body and connected with the connecting disc. The problem of during piston and piston rod removed along hydraulic cylinder barrel in the current scheme, piston and piston can rub hydraulic cylinder barrel repeatedly to reduce the life of pneumatic cylinder is solved.

Description

A cylinder pipe for high wearability of pneumatic cylinder

Technical Field

The utility model relates to a pneumatic cylinder field especially relates to a cylinder pipe that is used for high wear resistance of pneumatic cylinder.

Background

Hydraulic transmission is a transmission mode, and uses liquid as a working medium and utilizes the pressure energy of the liquid to transmit power. The hydraulic cylinder is used as an actuating element of a hydraulic system and is used for converting pressure energy of liquid into mechanical energy so as to obtain required linear reciprocating motion or rotary motion. The hydraulic cylinder is an important component of a hydraulic oil cylinder and is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). The hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device, the output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the piston, and the cylinder barrel is a key element for forming an inner cavity to contain fluid.

When piston and piston rod removed along hydraulic cylinder barrel in the current scheme, piston and piston can rub hydraulic cylinder barrel repeatedly to reduce the life of pneumatic cylinder. How to solve this problem becomes crucial.

Disclosure of Invention

To the shortcoming of above-mentioned prior art, the utility model aims at providing a cylinder pipe for high wear resistance of pneumatic cylinder to when piston and piston rod removed along the hydraulic cylinder in solving prior art, piston and piston can rub hydraulic cylinder repeatedly, thereby reduce the life's of pneumatic cylinder problem.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a highly wear resistant cylinder tube for a hydraulic cylinder;

the device comprises a pipe body, a cover body covering the port of the pipe body, a supporting mechanism for inhibiting the pipe body from vibrating and connecting discs arranged around two ends of the pipe body; the cover body is connected to two ends of the pipe body; the supporting mechanism surrounds the pipe body support and is connected with the connecting disc.

The further technical scheme is as follows: the connecting plate is connected with the cover body through a first connecting piece and a first locking piece; the first connecting piece penetrates through the connecting disc and the cover body around the pipe body; the first locking member is threadedly coupled to the first coupling member.

The further technical scheme is as follows: a pressing block is arranged in the connecting disc in a sliding manner around the pipe body; when the cover body is connected with the connecting disc, the cover body pushes the pressing block to press the first connecting piece.

The further technical scheme is as follows: the cover body comprises a first connecting body and a second connecting body which are coaxially connected; the first connecting body is connected with the connecting disc; the second connector is embedded into the pipe body; the second connecting body abuts against the pressing block.

The further technical scheme is as follows: a first inclined plane is arranged around the inside of the connecting disc; the second connector is transited to the first connector through a second inclined plane; the first inclined plane is attached to the second inclined plane; the second inclined surface abuts against the pressing block.

The further technical scheme is as follows: the supporting mechanism comprises a pipe disc arranged around the pipe body and a plate for supporting the pipe body; the plate is connected to the pipe disc and the connecting disc respectively; adjacent said plates are connected around said tubular body.

The further technical scheme is as follows: the connecting positions of the adjacent plates are mutually overlapped; a second connecting piece penetrates through the superposed position of the plates; a second locking piece is connected to the second connecting piece in a threaded manner; the second retaining member compresses the plate.

The further technical scheme is as follows: the pipe body comprises a main pipe, an outer pipe wrapping the main pipe and a support rib supporting the main pipe; a space is formed between the main pipe and the outer pipe; the support rib is arranged in the space around the main pipe.

The further technical scheme is as follows: a bent plate for reinforcing the structural strength of the main pipe is arranged in the space; the bent plates are arranged around the main pipe in parallel.

The further technical scheme is as follows: the radial cross section of the bent plate is C-shaped.

Compared with the prior art, the utility model discloses a beneficial technological effect as follows: (1) The cover body is firmly covered on the tube body through the pressing block and is arranged on the axis position of the tube body through the cover body, so that the mounting precision of the cover body is improved, the situation that a piston rod and a piston of a hydraulic cylinder repeatedly abrade the tube body and the cover body when the hydraulic cylinder works is avoided, and the wear resistance of the cylinder tube is improved; (2) The hydraulic cylinder is complex in installation environment, environmental vibration is transmitted to the hydraulic cylinder, friction between the cylinder tube and the piston rod is increased, the tube body is supported through the supporting mechanism, the structural strength of the tube body is improved, the wear resistance of the tube body is improved, meanwhile, the connecting positions of adjacent plates are overlapped and are respectively connected to the tube disc and the connecting disc through the plates, the effect of shock absorption is achieved when the environmental vibration is transmitted to the plates, and the influence of the vibration on the tube body is reduced; (3) Be responsible for through the outer tube parcel, improved the structural strength who is responsible for, through being responsible for and forming the space between the outer tube, reduced the weight of body, through being responsible for at the bent plate support, improved and be responsible for structural strength.

Drawings

Fig. 1 shows a schematic structural view of a cylinder tube with high wear resistance for a hydraulic cylinder according to a first embodiment of the present invention.

Fig. 2 shows a top view structural diagram at a in fig. 1.

Fig. 3 shows an enlarged structural view at B in fig. 1.

Fig. 4 shows a structural schematic diagram of a cylinder tube with high wear resistance for a hydraulic cylinder according to a second embodiment of the present invention.

In the drawings, the reference numbers: 1. a pipe body; 11. a main pipe; 12. an outer tube; 13. supporting ribs; 14. a space; 15. bending a plate; 2. a cover body; 21. a first connecting member; 22. a first locking member; 23. a first connecting body; 24. a second connector; 25. a second inclined surface; 3. a support mechanism; 31. a pipe coil; 32. a plate member; 33. a second connecting member; 34. a second locking member; 4. a connecting disc; 41. briquetting; 42. a first inclined plane.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following device of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are not to precise scale, and are provided for convenience and clarity in order to assist in describing embodiments of the present invention. To make the objects, features and advantages of the present invention more comprehensible, please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.

The first embodiment:

fig. 1 shows a schematic structural view of a cylinder tube with high wear resistance for a hydraulic cylinder according to a first embodiment of the present invention. Fig. 2 shows a top view structural diagram at a in fig. 1. Fig. 3 shows an enlarged structural view at B in fig. 1. As shown in fig. 1, 2 and 3, the present invention discloses a cylinder tube with high wear resistance for a hydraulic cylinder. The direction of X in the figure does the utility model discloses structural schematic's upper end, the direction of Y in the figure does the utility model discloses structural schematic's right-hand member.

The cylinder tube for the hydraulic cylinder with high wear resistance comprises a tube body 1, a cover body 2 covering the port of the tube body 1, a supporting mechanism 3 for inhibiting the tube body 1 from vibrating and connecting discs 4 arranged around two ends of the tube body 1. The cover body 2 is connected to both ends of the pipe body 1. The support mechanism 3 is supported around the pipe body 1 and connected to the connection plate 4.

The pipe body 1 is arranged in the horizontal direction. The vertical direction of lid 2 sets up both ends about body 1. The connection pads 4 are provided around the left and right ends of the outer surface of the pipe body 1.

The cylinder tube for high wear resistance of the hydraulic cylinder further comprises a first connecting piece 21 and a first locking piece 22 connecting the connecting disc 4 and the cover body 2. The first connecting member 21 passes through the connecting plate 4 and the cover 2 around the pipe body 1. The first locking member 22 is screwed to the first coupling member 21.

Preferably, the first connecting member 21 is a bolt. Preferably, the first securing member 22 is a nut. The first connecting member 21 passes through the connecting plate 4 and the cover 2 in the left-right direction. The first fastening member 22 is screwed, and the connection plate 4 and the lid body 2 are firmly connected by the first connection member 21 and the first fastening member 22.

A pressing block 41 is arranged in the connecting disc 4 in a sliding way around the pipe body 1. When the cover body 2 is connected with the connecting disc 4, the cover body 2 pushes the pressing block 41 to press the first connecting piece 21.

First through holes are formed around the connecting disc 4 in parallel. Second through holes are formed around the cover body 2 in parallel. The first connecting member 21 passes through the first through hole and the second through hole, respectively. And a third through hole is formed in the connecting disc 4 around the pipe body 1. The third through hole is communicated with the first through hole. The pressing block 41 slides along the third through hole.

The cap body 2 includes a first connection body 23 and a second connection body 24 coaxially connected. The first connecting body 23 connects the land 4. The second connector 24 is inserted into the pipe body 1. The second connecting body 24 abuts against the pressing piece 41.

The first connecting body 23 is vertically disposed. The second connecting body 24 is vertically arranged. When the first connector 23 is connected to the land 4, the end surface of the first connector 23 is bonded to the end surface of the land 4. The outer surface of the second connector 24 conforms to the inner surface of the tube 1.

A first ramp 42 is provided around the inside of the connecting disc 4. The second connecting body 24 transitions into the first connecting body 23 via a second bevel 25. The first inclined surface 42 abuts the second inclined surface 25. The second inclined surface 25 abuts against the pressing piece 41.

The second inclined surface 25 extends to transition to the outer surface of the second connecting body 24 and the end surface of the first connecting body 23, respectively. The end of the third through hole remote from the first through hole extends to the first inclined surface 42.

When the cover body 2 is covered on the pipe body 1, the second inclined surface 25 abuts against the pressing block 41, the first connecting piece 21 penetrates through the connecting disc 4 and the cover body 2, the first locking piece 22 is in threaded connection with the first connecting piece 21, the first locking piece 22 is screwed, and the cover body 2 is tightly covered on the pipe body 1. The outer edge of the pressing block 41 abuts against the first connecting member 21, the second inclined surface 25 pushes the pressing block 41 to expand outwards to press the first connecting member 21, and the cover body 2 is firmly covered on the pipe body 1 through the pressing block 41. The first inclined surface 42 abuts against the second inclined surface 25, so that the cover 2 can be installed on the axial position of the pipe body 1.

Close the firm lid of lid 2 on body 1 through briquetting 41 to install on the axis position of body 1 through lid 2, improved the installation accuracy of lid 2, avoided the pneumatic cylinder during operation, the piston rod and the piston of pneumatic cylinder are wearing and tearing body 1 and lid 2 repeatedly, have improved the wearability of cylinder pipe.

The support mechanism 3 includes a tube plate 31 provided around the tube body 1 and a plate member 32 supporting the tube body 1. The plate members 32 are attached to the tube plate 31 and the attachment plate 4, respectively. Adjacent panels 32 are connected around the pipe body 1.

The tube disc 31 is arranged around the outer surface of the tube body 1. The side plate member 32 is connected to the tube plate 31 by a third connecting member and a third locking member. The third connecting member passes through the side plate member 32 and the tube plate 31. The third locking piece is in threaded connection with the third connecting piece. Preferably, the third connecting member is a bolt. Preferably, the third locking member is a nut.

The other side plate 32 is connected to the connecting plate 4 by a fourth connecting member and a fourth locking member. The fourth connecting member passes through the other side plate 32 and the connecting plate 4. And the fourth locking piece is in threaded connection with the fourth connecting piece. Preferably, the fourth connecting member is a bolt. Preferably, the fourth locking member is a nut.

The connection positions of the adjacent plate members 32 are superposed on each other. A second connecting member 33 is inserted through the overlapping position of the plate members 32. A second locking member 34 is threadedly coupled to the second connecting member 33. The second locking member 34 compresses the plate 32.

Preferably, the second connecting member 33 is a bolt. Preferably, the second locking member 34 is a nut. After the second locking member 34 is tightened, the second locking member 34 and the second connecting member 33 press the stacked positions of the plate members 32.

The installation environment of pneumatic cylinder is complicated, and the vibrations of environment have increased the friction between cylinder pipe and the piston rod on transmitting the pneumatic cylinder. Support is formed on the pipe body 1 through the supporting mechanism 3, the structural strength of the pipe body 1 is improved, and the wear resistance of the pipe body 1 is improved. Meanwhile, the connecting positions of the adjacent plates 32 are mutually overlapped and are respectively connected to the pipe disc 31 and the connecting disc 4 through the plates 32, so that the effect of shock absorption is achieved when the shock of the environment is transmitted to the plates 32, and the influence of the shock on the pipe body 1 is reduced.

Second embodiment:

fig. 4 shows a structural schematic diagram of a cylinder tube with high wear resistance for a hydraulic cylinder according to a second embodiment of the present invention. As shown in fig. 1, 2, 3 and 4, the second embodiment is different from the first embodiment in that:

the pipe body 1 includes a main pipe 11, an outer pipe 12 wrapping the main pipe 11, and a stay 13 supporting the main pipe 11. A space 14 is formed between the main tube 11 and the outer tube 12. The brace 13 is disposed in the space 14 around the main pipe 11.

A bent plate 15 for reinforcing the structural strength of the main pipe 11 is provided in the space 14. The bent plates 15 are juxtaposed around the main pipe 11.

The radial cross section of the bent plate 15 is C-shaped.

The main tube 11 is coaxially disposed for the outer tube 12. The main pipe 11 is arranged in the left-right direction. The outer tube 12 wraps the main tube 11 in the left-right direction. A space 14 is formed between the outer surface of the main tube 11 and the inner surface of the outer tube 12. The bracing ribs 13 connect the outer surface of the main pipe 11 and the inner surface of the outer pipe 12, respectively.

The bent plate 15 is disposed in the left-right direction. The bent plates 15 are connected to the outer surface of the main pipe 11 and the inner surface of the outer pipe 12, respectively. The opening of the bent plate 15 is directed toward the outer surface of the main pipe 11.

The outer pipe 12 wraps the main pipe 11, and the structural strength of the main pipe 11 is improved. By forming the space 14 between the main pipe 11 and the outer pipe 12, the weight of the pipe body 1 is reduced. By supporting the main pipe 11 at the bent plate 15, the structural strength of the main pipe 11 is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a cylinder pipe that is used for high wearability of pneumatic cylinder which characterized in that: the device comprises a pipe body, a cover body covering the port of the pipe body, a supporting mechanism for inhibiting the pipe body from vibrating and connecting discs arranged around two ends of the pipe body; the cover bodies are connected to two ends of the pipe body; the supporting mechanism surrounds the pipe body support and is connected with the connecting disc.

2. The cylinder tube of high wear resistance for a hydraulic cylinder of claim 1, wherein: the connecting plate is connected with the cover body through a first connecting piece and a first locking piece; the first connecting piece penetrates through the connecting disc and the cover body around the pipe body; the first locking member is threadedly coupled to the first coupling member.

3. The cylinder tube of high wear resistance for a hydraulic cylinder of claim 2, wherein: a pressing block is arranged in the connecting disc in a sliding mode around the pipe body; when the cover body is connected with the connecting disc, the cover body pushes the pressing block to press the first connecting piece tightly.

4. A highly wear-resistant bore tube for a hydraulic cylinder according to claim 3, characterized in that: the cover body comprises a first connecting body and a second connecting body which are coaxially connected; the first connecting body is connected with the connecting disc; the second connector is embedded into the pipe body; the second connecting body abuts against the pressing block.

5. The cylinder tube with high wear resistance for a hydraulic cylinder according to claim 4, wherein: a first inclined plane is arranged around the inside of the connecting disc; the second connector is transited to the first connector through a second inclined plane; the first inclined plane is attached to the second inclined plane; the second inclined surface abuts against the pressing block.

6. The cylinder tube of high wear resistance for a hydraulic cylinder of claim 1, wherein: the supporting mechanism comprises a pipe disc arranged around the pipe body and a plate for supporting the pipe body; the plate is connected to the pipe disc and the connecting disc respectively; adjacent said plates are connected around said tubular body.

7. The cylinder tube with high wear resistance for a hydraulic cylinder according to claim 6, wherein: the connecting positions of the adjacent plates are mutually superposed; a second connecting piece penetrates through the superposed position of the plates; a second locking piece is connected to the second connecting piece in a threaded manner; the second retaining member compresses the plate.

8. The cylinder tube of high wear resistance for a hydraulic cylinder of claim 1, wherein: the pipe body comprises a main pipe, an outer pipe wrapping the main pipe and a supporting rib supporting the main pipe; a space is formed between the main pipe and the outer pipe; the support rib is arranged in the space around the main pipe.

9. The cylinder tube of high wear resistance for a hydraulic cylinder of claim 8, wherein: a bent plate for reinforcing the structural strength of the main pipe is arranged in the space; the bent plates are arranged around the main pipe in parallel.

10. The cylinder tube of high wear resistance for a hydraulic cylinder of claim 9, wherein: the radial cross section of the bent plate is C-shaped.