CN212986017U - Internal tapping piston rod - Google Patents
Internal tapping piston rod Download PDFInfo
- Publication number
- CN212986017U CN212986017U CN202021821091.2U CN202021821091U CN212986017U CN 212986017 U CN212986017 U CN 212986017U CN 202021821091 U CN202021821091 U CN 202021821091U CN 212986017 U CN212986017 U CN 212986017U
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- rod
- piston rod
- piston
- lubricating oil
- plug cover
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Abstract
The utility model relates to an internal tapping piston rod, which comprises a rod body, wherein the top of the rod body is connected with an upper plug cover through a thread, the bottom of the rod body is connected with a lower plug cover through a thread, the upper plug cover and the lower plug cover are fixed at the two ends of the rod body through threads, the disassembly and the assembly are convenient, lubricating oil is conveniently injected into an inner cavity of the rod body, the lubricating oil in the inner cavity of the rod body slowly permeates and flows out from an oil hole to lubricate an inner cavity of a cylinder body, the friction between the piston rod and the cylinder body can be effectively reduced, through arranging a filter screen cylinder, the filter screen cylinder can filter impurities in the lubricating oil, the impurities can be prevented from entering the cylinder body and damaging the cylinder body, the use is influenced, through arranging a cotton net pipe, the cotton net pipe has the characteristics of small filtering and fluidity, the lubricating oil can slowly permeate out from the oil hole, the piston rod can be prevented from being deformed and damaged.
Description
Technical Field
The utility model relates to an interior tapping piston rod belongs to internal-combustion engine accessory technical field.
Background
The fit clearance of the piston rod and the cylinder body in the existing internal combustion engine is very small, so when lubricating oil is injected, the lubricating oil is difficult to be fully injected into the fit clearance of the piston rod and the cylinder body, the friction between the piston rod and the cylinder body cannot be reduced, the working efficiency of the piston rod is influenced, and the piston connected with the piston rod and the cylinder body are in hard-to-hard contact when the existing piston rod does work, and the piston rod is generally slender, so the piston rod is easy to deform and damage under stress.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, provide an internal tapping piston rod, the lubricating oil is convenient to inject, the piston rod is not easy to deform and damage, the upper plug cover and the lower plug cover are fixed at the two ends of the rod body through screw threads, the disassembly and the assembly are convenient, the lubricating oil is convenient to inject into the inner cavity of the rod body, the lubricating oil in the inner cavity of the rod body can slowly permeate and flow out of the oil hole to lubricate the inner cavity of the cylinder body, the friction between the piston rod and the cylinder body can be effectively reduced, the filter screen cylinder can filter impurities in the lubricating oil through the arrangement of the filter screen cylinder, the impurities can be prevented from entering the cylinder body to cause damage to the cylinder body, the use is influenced, the cotton screen pipe has the characteristics of filtering and small fluidity through the arrangement of the cotton screen pipe, the lubricating oil can slowly seep, can prevent that the piston rod from warping the damage, through setting up the guide bar, the guide bar can lead to the piston spacing, can prevent to rock about the piston, can effectively solve the problem among the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides an internal tapping piston rod, includes the body of rod, body of rod top has the upper plug cover through threaded connection, body of rod bottom has lower plug cover through threaded connection, the fixed buffer spring that is equipped with of lower plug cover bottom circumference equidistance, the fixed buffering backing plate that is equipped with in buffer spring bottom, buffering backing plate bottom is equipped with the spliced pole, there is the piston bottom the spliced pole through threaded connection, the fixed cotton net pipe that is equipped with of body of rod inner wall, the fixed filter screen section of thick bamboo that is equipped with in cotton net pipe inner chamber, body of rod outside surface equidistance is equipped with the oil.
As further description of the technical scheme, inner cavities at the upper end and the lower end of the rod body are provided with internal threads.
As further description of the technical scheme, a guide rod is fixedly arranged at the top of the buffer base plate.
As further description of the technical scheme, the middle part of the lower plug cover is provided with a guide hole, and the guide rod penetrates through the inner cavity of the guide hole.
As further description of the above technical solution, the bottom of the connecting column is provided with a threaded hole.
As further description of the technical scheme, the top of the piston is fixedly provided with a threaded column.
The utility model discloses beneficial effect: 1. the upper plug cover and the lower plug cover are fixed at two end parts of the rod body through threads, so that the disassembly and the assembly are convenient, lubricating oil is conveniently injected into the inner cavity of the rod body, the lubricating oil in the inner cavity of the rod body slowly permeates and flows out of the oil hole to lubricate the inner cavity of the cylinder body, and the friction between the piston rod and the cylinder body can be effectively reduced;
2. the filter screen cylinder can filter impurities in the lubricating oil, so that the impurities can be prevented from entering the cylinder body to damage the cylinder body and influence the use of the cylinder body;
3. through setting up buffer spring, buffer spring can cushion the piston, can prevent to take place violent striking between piston and the cylinder body, can prevent that the piston rod from warping and damaging, through setting up the guide bar, the guide bar can lead spacing to the piston, can prevent to rock about the piston.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a cross-sectional view of the internal tapping piston rod of the present invention.
Fig. 2 is a front view of the piston rod with internal tapping of the present invention.
Fig. 3 is a bottom view of the cushion plate of the internal tapping piston rod of the present invention.
Fig. 4 is a front view of the piston of the internally threaded piston rod of the present invention.
Reference numbers in the figures: 1. a rod body; 2. an upper plug cover; 3. a lower plug cover; 4. a buffer spring; 5. a cushion plate; 6. connecting columns; 7. a piston; 8. cotton net pipe; 9. a screen cylinder; 10. an oil hole; 11. an internal thread; 12. a guide bar; 13. a threaded hole; 14. a threaded post.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an internal tapping piston rod comprises a rod body 1, wherein the top of the rod body 1 is connected with an upper plug cover 2 through threads, the bottom of the rod body 1 is connected with a lower plug cover 3 through threads, the upper plug cover 2 and the lower plug cover 3 are fixed at two ends of the rod body 1 through threads, disassembly and assembly are convenient, lubricating oil is conveniently injected into an inner cavity of the rod body 1, the lubricating oil in the inner cavity of the rod body 1 slowly permeates and flows out of an oil hole 10 to lubricate an inner cavity of a cylinder body, friction between the piston rod and the cylinder body can be effectively reduced, buffer springs 4 are fixedly arranged at the circumferential equal intervals at the bottom of the lower plug cover 3, the buffer springs 4 can buffer a piston 7, violent impact between the piston 7 and the cylinder body can be prevented, the piston rod can be prevented from being deformed and damaged, buffer base plates 5 are fixedly arranged at the bottoms of the buffer base plates 5, the inner wall of the rod body 1 is fixedly provided with a cotton net pipe 8, the cotton net pipe 8 has the characteristics of filtering and small fluidity, so that lubricating oil can slowly seep out of the oil hole 10, the inner cavity of the cotton net pipe 8 is fixedly provided with a filter screen cylinder 9, the filter screen cylinder 9 can filter impurities in the lubricating oil, the impurities can be prevented from entering the cylinder body and damaging the cylinder body, and the oil holes 10 are equidistantly formed in the surface of the outer side of the rod body 1.
Specifically, as shown in fig. 1, inner cavities at the upper end and the lower end of the rod body 1 are provided with internal threads 11, so that the upper plug cover 2 and the lower plug cover 3 can be connected through the threads conveniently.
Specifically, as shown in fig. 2, a guide rod 12 is fixedly arranged at the top of the cushion pad 5, and the guide rod 12 can guide and limit the piston 7, so that the piston 7 can be prevented from shaking left and right.
Specifically, as shown in fig. 3, a threaded hole 13 is formed in the bottom of the connecting column 6, and the piston 7 is conveniently and fixedly mounted by the aid of the threaded hole 13.
Specifically, as shown in fig. 4, a threaded column 14 is fixedly arranged at the top of the piston 7, and the threaded column 14 is fixed in an inner cavity of the threaded hole 13, so that the piston 7 is conveniently and fixedly mounted.
The utility model discloses the theory of operation: go up gag 2 and lower gag 3 through the threaded fixation at body of rod 1 both ends, the convenient dismantlement installation, conveniently to 1 inner chamber injection lubricating oil of the body of rod, the lubricating oil of 1 inner chamber of the body of rod can lubricate the cylinder body inner chamber from oilhole 10 slow seepage flow, can effectively reduce the friction between piston rod and the cylinder body, buffer spring 4 can cushion piston 7, can prevent to take place violent striking between piston 7 and the cylinder body, can prevent that the piston rod from being out of shape and damaging, guide bar 12 can lead to piston 7 spacing, can prevent to rock about piston 7, cotton net pipe 8 has the characteristics that filtration and mobility are little, make lubricating oil slowly ooze from oilhole 10, filter screen cylinder 9 can filter the impurity in the lubricating oil, can prevent that impurity from getting into the cylinder body, cause the damage to the cylinder body.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides an internal tapping piston rod, includes the body of rod (1), its characterized in that: the utility model discloses a cotton swab, including body of rod (1), stopper cover (2) on the top has through threaded connection, stopper cover (3) under body of rod (1) bottom has through threaded connection, stopper cover (3) bottom circumference equidistance is fixed and is equipped with buffer spring (4) down, buffer spring (4) bottom is fixed and is equipped with buffer backing plate (5), buffer backing plate (5) bottom is equipped with spliced pole (6), spliced pole (6) bottom has piston (7) through threaded connection, the fixed cotton net management (8) that is equipped with of body of rod (1) inner wall, the fixed filter screen section of thick bamboo (9) that is equipped with of cotton net management (8) inner chamber, body of rod (1) outside surface.
2. The internally threaded piston rod of claim 1 wherein: inner cavities at the upper end and the lower end of the rod body (1) are provided with inner threads (11).
3. The internally threaded piston rod of claim 1 wherein: the top of the buffer backing plate (5) is fixedly provided with a guide rod (12).
4. An internally threaded piston rod according to claim 3 wherein: the middle part of the lower plug cover (3) is provided with a guide hole, and the guide rod (12) penetrates through the inner cavity of the guide hole.
5. The internally threaded piston rod of claim 1 wherein: the bottom of the connecting column (6) is provided with a threaded hole (13).
6. The internally threaded piston rod of claim 1 wherein: the top of the piston (7) is fixedly provided with a threaded column (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021821091.2U CN212986017U (en) | 2020-08-27 | 2020-08-27 | Internal tapping piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021821091.2U CN212986017U (en) | 2020-08-27 | 2020-08-27 | Internal tapping piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212986017U true CN212986017U (en) | 2021-04-16 |
Family
ID=75435245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021821091.2U Active CN212986017U (en) | 2020-08-27 | 2020-08-27 | Internal tapping piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212986017U (en) |
-
2020
- 2020-08-27 CN CN202021821091.2U patent/CN212986017U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220916 Address after: No. 99, Haitian Road, Zhaobaoshan street, Zhenhai District, Ningbo, Zhejiang 315000 Patentee after: Jiafei (Ningbo) Intelligent Manufacturing Co.,Ltd. Address before: 315202 No.9, Tonghe East Road, Luotuo street, Zhenhai District, Ningbo City, Zhejiang Province Patentee before: Jiafei (Zhejiang) Auto Parts Co.,Ltd. |
|
| TR01 | Transfer of patent right |