CN217081389U

CN217081389U - Improved piston rod

Info

Publication number: CN217081389U
Application number: CN202221072524.8U
Authority: CN
Inventors: 钟荣焘; 李万臣; 李仁芬
Original assignee: Jiafei Ningbo Intelligent Manufacturing Co ltd
Current assignee: Jiafei Ningbo Intelligent Manufacturing Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-07-29
Anticipated expiration: 2032-05-07

Abstract

The utility model provides an improved generation piston rod, belongs to automobile-used piston rod equipment technical field, includes the sleeve, the body of rod has been cup jointed in the sleeve. The piston type telescopic sleeve is essentially characterized in that the sleeve comprises a left half cylinder and a right half cylinder, the left half cylinder and the right half cylinder are assembled and matched with the sleeve barrel main body, and a piston cavity for the rod body to move is formed inside the left half cylinder and the right half cylinder; the tail cover has been installed to the sleeve tail end, and the sleeve head end is equipped with the sleeve hole that supplies the body of rod to remove and installs the skull, be equipped with the skull hole that corresponds in the sleeve hole on the skull. Compared with the prior art, split type design has been carried out to the sleeve of piston rod to this application, and the maintenance in the later stage of being convenient for is changed, and compares current piston rod structure maintenance cost lower.

Description

Improved piston rod

Technical Field

The utility model belongs to the technical field of automobile-used piston rod equipment, concretely relates to improved generation piston rod.

Background

The piston rod is a connecting part for supporting a piston to do work in an automobile and mainly comprises the piston, a piston ring, a piston pin, a connecting rod and the like. The device is generally applied to oil cylinders and air cylinder movement executing parts for providing driving force for automobiles, and is a moving part with frequent movement and high technical requirement.

The conventional piston rod for a vehicle is generally used as an integral part, and when maintenance operation such as replacement is performed, the whole piston rod is generally required to be replaced, which results in high maintenance cost. And the assembly rings at the two ends of the piston rod are usually assembled with other parts in an overlapping way, and need to be disassembled together with other parts during disassembly, so the disassembly and the assembly are very troublesome.

The present application is therefore directed to further designs and improvements in existing piston rod devices based on some of the above prior art.

SUMMERY OF THE UTILITY MODEL

To not enough among the above prior art, the utility model provides an improved generation piston rod has carried out split type design to the sleeve of piston rod, and the maintenance in the later stage of being convenient for is changed, and compares current piston rod structure maintenance cost lower.

In order to solve the above technical problem, the present invention solves the above technical problems.

An improved piston rod comprises a sleeve, wherein a rod body is sleeved in the sleeve. Wherein, the sleeve includes half a section of thick bamboo on the left side and half a section of thick bamboo on the right side, half a section of thick bamboo on the left side and half a section of thick bamboo assembly cooperation complete set section of thick bamboo main part on the right side and inside form the piston chamber that supplies the body of rod activity. The design is beneficial to the disassembly and maintenance of the piston rod. The tail-hood has been installed to the sleeve tail end, and the sleeve head end is equipped with the sleeve hole that supplies the body of rod to remove and is equipped with the skull, be equipped with the skull hole that corresponds in the sleeve hole on the skull, tail-hood and skull can be fixed and seal the sleeve main part, prevent that half a section of thick bamboo on the left side or half a section of thick bamboo on the right side from droing or damaging because of the assembly inefficacy.

In a preferred embodiment, the left half cylinder inner wall is provided with a left sealing layer near the tail end, and a left sealing ring near the head end, and the left sealing layer and the left sealing ring can provide a reliable sealing environment for the piston cavity.

In a preferred embodiment, a right sealing layer is arranged on the inner wall of the right half cylinder near the tail end, and the right sealing layer and the left sealing layer are assembled in a staggered mode, so that the sealing performance of the tail end of the piston cavity is improved. And a right closed ring is arranged at the position close to the head end, and the right closed ring and the left closed ring are assembled in a staggered manner, so that the closure of the head end of the piston cavity is improved.

In a preferred embodiment, the tail end of the left half cylinder is provided with a left end block, the tail end of the right half cylinder is provided with a right end block, the left end block and the right end block are assembled and closed and are matched with each other to extend into the tail cover, and the design is favorable for the closed fixation of the tail ends of the left half cylinder and the right half cylinder. The left half cylinder head end is provided with a left end ring, the right half cylinder head end is provided with a right end ring, the left end ring and the right end ring are assembled to form a sleeve hole and are matched with and extend into the head cover, and the sealing fixation of the left half cylinder and the right half cylinder head end is facilitated by the design.

In a preferred embodiment, the left end block, the right end block, the left end ring and the right end ring are respectively provided with a fixing hole groove, and the tail cover and the head cover are respectively provided with a fixing through hole corresponding to the fixing hole grooves; the fixing hole groove and the fixing through hole are connected through a fixing screw, so that the tail cover, the head cover, the left half barrel and the right half barrel are assembled more firmly.

In a preferred embodiment, the left half cylinder is provided with a sealing groove on both sides of the assembling surface along the axial direction, and the right half cylinder is provided with a sealing step capable of being matched with the sealing groove on both sides of the assembling surface along the axial direction, so as to ensure the reliable sealing of the piston cavity.

In a preferred embodiment, a plurality of first assembly holes are formed in the left half cylinder along the closed groove, second assembly holes corresponding to the first assembly holes are formed in the right half cylinder, and the first assembly holes and the second assembly holes are connected through closed screws, so that the assembly surfaces of the left half cylinder and the right half cylinder are reliably closed and fixed.

Compared with the prior art, the method has the following beneficial effects: the improved piston rod has the advantages that the split type design is carried out on the sleeve of the piston rod, the later maintenance and replacement are facilitated, and the maintenance cost is lower compared with that of the existing piston rod structure.

Drawings

Fig. 1 is a perspective view of the present application.

Fig. 2 is a plan sectional view of the present application.

Fig. 3 is a perspective view of the sleeve body.

Fig. 4 is a perspective view of the left half cylinder.

Fig. 5 is a perspective view of the right cartridge half.

Fig. 6 is a cross-sectional view of the middle of the present application.

Fig. 7 is a cross-sectional view of a head end of the present application.

Fig. 8 is a cross-sectional view of the trailing end of the present application.

Fig. 9 is a perspective view of the tail cap.

Fig. 10 is a perspective view of the head cap.

The following are the numerical descriptions of the figures in this application:

1-a sleeve; 11-a piston cavity; 12-a sleeve hole; 13-fixed orifice slot.

2-a rod body; 21-a piston portion; 22-first assembly ring.

3-left half cylinder; 31-left sealing layer; 32-left closed loop; 33-left end block; 34-left end ring; 35-a closed groove; 36-first assembly hole.

4-right half cylinder; 41-right sealing layer; 42-right closed loop; 43-right end block; 44-right end ring; 45-sealing step; 46-second assembly hole.

5-tail cover; 51-second assembly ring.

6-head cover; 61-head cover hole.

70-a fixing through hole; 71-a set screw; 72-blocking screw.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not construed as limiting the present invention, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it is to be understood that the term: the center, vertically, transversely, length, width, thickness, upper and lower, preceding, back, left and right, vertical, level, top, end, inside and outside, clockwise, anticlockwise etc. indicate position or positional relationship for based on the position or positional relationship that the drawing shows, just for the convenience of description the utility model discloses and simplified description, consequently can not be understood as the restriction of the utility model. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In the description of the present invention, unless explicitly stated or limited otherwise, the terms: mounting, connecting, etc. should be understood broadly, and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.

Refer to fig. 1 to 10.

An improved piston rod, referring to the figures and 2, comprises a sleeve 1, wherein a rod body 2 is sleeved in the sleeve 1. One end of the rod body 2 extends into the sleeve 1 and is fixedly provided with a piston part 21 at the end part, and the other end of the rod body 2 is fixedly provided with a first assembling ring 22. Wherein, sleeve 1 includes left half section of thick bamboo 3 and right half section of thick bamboo 4, the synthetic sleeve 1 main part of left half section of thick bamboo 3 and right half section of thick bamboo 4 assembly forms the piston chamber 11 that supplies the activity of body of rod 2 inside. The design is beneficial to the disassembly and maintenance of the piston rod. And a left sealing layer 31 is arranged on the inner wall of the left half cylinder 3 near the tail end, a left sealing ring 32 is arranged near the head end, and the left sealing layer 31 and the left sealing ring 32 can provide a reliable sealing environment for the piston cavity 11. And a right sealing layer 41 is arranged on the inner wall of the right half cylinder 4 near the tail end, and the right sealing layer 41 and the left sealing layer are assembled in a layered and staggered manner, so that the improvement of the sealing property of the tail end of the piston cavity 11 is facilitated. And a right closing ring 42 is arranged near the head end, and the right closing ring 42 and the left closing ring 32 are assembled in a staggered manner, so that the sealing performance of the head end of the piston cavity 11 is improved.

This application assembles skull 6, tail-hood 5 respectively at 1 both ends of sleeve and is used for carrying out reliable fixed and seal to sleeve 1, specifically is: the tail end of the sleeve 1 is provided with a tail cover 5, one side of the tail cover 5 is fixedly provided with a second assembling ring 51, the assembly of the tail cover 5 refers to fig. 8, and the structure of the tail cover 5 refers to fig. 9. Sleeve 1 head end is equipped with the sleeve hole 12 that supplies the body of rod 2 to remove and is equipped with skull 6, be equipped with the skull hole 61 that corresponds in sleeve hole 12 on the skull 6, tail-hood 5 and skull 6 can be fixed and seal sleeve 1 main part, prevent that half a section of thick bamboo 3 on the left side or half a section of thick bamboo 4 on the right side from coming off or damaging because of the assembly inefficacy. The head cover 6 is assembled with reference to fig. 7, and the structure of the head cover 6 is referred to fig. 10. The tail end of the left half cylinder 3 is provided with a left end block 33, the tail end of the right half cylinder 4 is provided with a right end block 43, the left end block 33 and the right end block 43 are assembled and closed and are matched to extend into the tail cover 5, and the design is favorable for the closed fixation of the tail ends of the left half cylinder 3 and the right half cylinder 4. The head end of the left half cylinder 3 is provided with a left end ring 34, the head end of the right half cylinder 4 is provided with a right end ring 44, the left end ring 34 and the right end ring 44 are assembled to form a sleeve hole 12 and are matched with and extend into the head cover 6, and the design is favorable for the closed fixation of the head ends of the left half cylinder 3 and the right half cylinder 4.

As shown in fig. 7 and 8, the left half barrel 3, the right half barrel 4 and the head cover 6 or the tail cover 5 are fixedly connected in a threaded fit connection mode, and the concrete structure is as follows: the left end block 33, the right end block 43, the left end ring 34 and the right end ring 44 are respectively provided with a fixing hole groove 13, and the tail cover 5 and the head cover 6 are respectively provided with a fixing through hole 70 corresponding to the fixing hole groove 13; the fixing hole slots 13 and the fixing through holes 70 are connected through fixing screws 71, so that the tail cover 5, the head cover 6 and the left and

right half cylinders

3 and 4 are assembled more firmly.

In particular, referring to fig. 4 to 6, in the present embodiment, the left half cylinder 3 and the right half cylinder 4 close the assembling surface by screw-fitting, and the specific structure manner is as follows: the left half cylinder 3 is provided with a sealing groove 35 on two sides of the assembling surface along the axial direction, and the right half cylinder 4 is provided with a sealing step 45 capable of being matched with the sealing groove 35 on two sides of the assembling surface along the axial direction, so that the piston cavity 11 is ensured to be sealed reliably. A plurality of first assembly holes 36 are formed in the left half cylinder 3 along the closed groove 35, second assembly holes 46 corresponding to the first assembly holes 36 are formed in the right half cylinder 4, and the first assembly holes 36 and the second assembly holes 46 are connected through the closed screws 72, so that the assembly surfaces of the left half cylinder 3 and the right half cylinder 4 are reliably closed and fixed.

As an automobile part, this application can assemble the use like traditional car piston rod, its advantage lie in only need change alone the damaged part can, need not the whole change, the maintenance cost is lower than current piston rod. Compared with the prior art, split type design has been carried out to sleeve 1 of piston rod to this application, and the maintenance of the later stage of being convenient for is changed, and compares current piston rod structure maintenance cost lower.

The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.

Claims

1. An improved piston rod comprises a sleeve (1), a rod body (2) is sleeved in the sleeve (1), and the improved piston rod is characterized in that,

the sleeve (1) comprises a left half cylinder (3) and a right half cylinder (4), the left half cylinder (3) and the right half cylinder (4) are assembled into a sleeve (1) main body, and a piston cavity (11) for the rod body (2) to move is formed inside the sleeve; tail cover (5) have been installed to sleeve (1) tail end, and sleeve (1) head end is equipped with sleeve hole (12) that supply body of rod (2) to remove and is equipped with skull (6), be equipped with on skull (6) in sleeve hole (12) corresponding head cover hole (61).

2. An improved piston rod according to claim 1, characterized in that the inner wall of the left half cylinder (3) is provided with a left closing layer (31) near the trailing end and a left closing ring (32) near the leading end.

3. An improved piston rod according to claim 2, characterized in that the right half cylinder (4) is provided with a right closing layer (41) on the inner wall near the tail end, and the right closing layer (41) and the left closing layer are assembled in a staggered way; and a right closed ring (42) is arranged near the head end, and the right closed ring (42) and the left closed ring (32) are assembled in a staggered mode.

4. An improved piston rod according to claim 1, characterized in that the left half cylinder (3) is provided with a left end block (33) at the tail end, the right half cylinder (4) is provided with a right end block (43) at the tail end, and the left end block (33) and the right end block (43) are assembled and closed and are matched to extend into the tail cover (5); the head end of the left half cylinder (3) is provided with a left end ring (34), the head end of the right half cylinder (4) is provided with a right end ring (44), and the left end ring (34) and the right end ring (44) are assembled to form a sleeve hole (12) and are matched with and extend into the head cover (6).

5. The improved piston rod as claimed in claim 4, wherein the left end block (33), the right end block (43), the left end ring (34) and the right end ring (44) are provided with fixing hole slots (13), and the tail cover (5) and the head cover (6) are provided with fixing through holes (70) corresponding to the fixing hole slots (13); the fixing hole groove (13) and the fixing through hole (70) are connected through a fixing screw (71).

6. An improved piston rod according to claim 1, characterized in that the left half cylinder (3) is provided with a closing groove (35) in the axial direction on both sides of the assembly surface, and the right half cylinder (4) is provided with a closing step (45) in the axial direction on both sides of the assembly surface, which can be engaged with the closing groove (35).

7. An improved piston rod according to claim 6, characterized in that a plurality of first assembly holes (36) are provided along the closed slot (35) on the left half cylinder (3), a second assembly hole (46) corresponding to the first assembly hole (36) is provided on the right half cylinder (4), and the first assembly hole (36) and the second assembly hole (46) are connected by a closed screw (72).