CN219827681U - High-strength piston rod - Google Patents
High-strength piston rod Download PDFInfo
- Publication number
- CN219827681U CN219827681U CN202320444193.4U CN202320444193U CN219827681U CN 219827681 U CN219827681 U CN 219827681U CN 202320444193 U CN202320444193 U CN 202320444193U CN 219827681 U CN219827681 U CN 219827681U
- Authority
- CN
- China
- Prior art keywords
- cavity
- piston rod
- shell
- sliding
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a high-strength piston rod, which comprises a piston rod, wherein the piston rod consists of a piston and a driving rod; the driving rod is provided with a cooling assembly, and the cooling assembly comprises a shell, a lower end cover plate, an inner cavity, a sliding pushing block, a lower end seat, a longitudinal travel hole, a main elastic chamber, an auxiliary elastic chamber, a main spring, an auxiliary spring, a first air guide channel, a first interface tube, a first pipeline, an upper end contact section, a cooling cavity, a second air guide channel, a second interface tube and a second pipeline. The utility model has the following advantages and effects: the cooling assembly is arranged to realize heat dissipation in the movement process of the piston rod, so that the phenomenon that the surface of the piston rod is easy to turn black and abrade after heating is effectively avoided, and the strength of the piston rod is improved and the service life of the piston rod is prolonged.
Description
Technical Field
The utility model relates to the field of piston rods, in particular to a high-strength piston rod.
Background
At present, with the development of science and technology, the high-tech fields such as industry and the like are rapidly developed, and the piston rod has wide development prospects in the fields such as automobiles, industrial machinery and the like, and as the piston rod is more and more required by people, the piston rod is used as a mechanical part with very frequent movement, and the quality and the reasonable structural design of the piston rod become factors influencing the service life of the whole product. However, the prior art cannot perform heat dissipation treatment on heat generated when the piston rod moves in the cavity, and the surface of the piston rod is easy to turn black and wear after heating, so that the strength of the piston rod is low, and the service life is influenced.
Disclosure of Invention
The utility model aims to provide a high-strength piston rod to solve the problems in the background art.
The technical aim of the utility model is realized by the following technical scheme: the high-strength piston rod comprises a piston rod, wherein the piston rod consists of a piston and a driving rod, the piston is arranged in a cavity and is attached to the inner wall of the cavity, the driving rod is fixed with the piston and is used for driving the piston to transversely reciprocate, an opening for the driving rod to extend out is formed in the right end of the cavity, and the driving rod is connected to an external driving piece after extending out of the opening;
a cooling component which can be contacted with the inner wall of the cavity to realize heat dissipation is arranged on the driving rod; the cooling assembly comprises a shell, the shell is fixed on the driving rod, a lower end cover plate for sealing is fixedly arranged at the lower end of the shell, an inner cavity is formed in the shell, a sliding pushing block is arranged in the inner cavity, and the sliding pushing block can longitudinally reciprocate in the inner cavity; the bottom of the inner cavity is fixedly provided with a lower end seat, the left side and the right side of the sliding push block are respectively attached to the wall of the inner cavity, the sliding push block consists of a left end stress part and a right end sliding part, a main elastic chamber is formed between the upper end of the left end stress part and the inner cavity, a secondary elastic chamber is formed between the lower end of the left end stress part and the inner cavity, the main elastic chamber and the secondary elastic chamber are respectively provided with a main spring and a secondary spring, the elastic acting force of the main spring is larger than that of the secondary spring, and the sliding push block is pushed downwards to be always propped against the lower end seat;
the upper end of the inner cavity is provided with a longitudinal travel hole for the right-end sliding part to longitudinally move, and the upper end of the longitudinal travel hole is open; a first air passage is formed in the lower end seat, one end of the first air passage is communicated with the auxiliary elastic chamber, the other end of the first air passage is communicated with the shell and is provided with a first interface pipe, a first pipeline which can extend out of the cavity is connected to the first interface pipe, the first pipeline is used for injecting gas, and the gas injected into the first air passage can push the sliding pushing block upwards, so that the right sliding part locally extends out of the longitudinal travel hole and is attached to the inner wall of the cavity;
the upper end of the right end sliding part is fixedly provided with an upper end contact section, a cooling cavity is formed in the upper end contact section, a second air guide channel communicated with the cooling cavity is formed in the right end sliding part, a second interface tube is arranged in the shell, and when the sliding push block abuts against the lower end seat, the second interface tube is communicated with the second air guide channel; the second interface pipe is connected with a second pipeline which can extend out of the cavity, and the second pipeline is used for injecting cooling medium.
The further arrangement is that: the cross section of the upper end face of the upper end contact section is semicircular.
The further arrangement is that: an extension section is arranged in the shell near the main elastic chamber, is positioned above the left-end stress part and can be propped against the left-end stress part to limit.
The further arrangement is that: an inward sinking groove is formed in the left end part of the left end stress part, and a graphite sealing ring is arranged in the inward sinking groove.
The utility model has the beneficial effects that:
1. the cooling component is arranged in the utility model to realize heat dissipation in the movement process of the piston rod, thereby effectively avoiding the phenomenon that the surface of the piston rod is easy to turn black and wear after heating, further improving the strength of the piston rod and prolonging the service life of the piston rod. The cooling assembly comprises a shell, wherein a sliding push block is arranged in the shell and consists of a left-end stress part and a right-end sliding part, the right-end sliding part can be attached to the inner wall of the cavity through a longitudinal travel hole, a cooling cavity is formed in an upper end contact section at the upper end of the right-end sliding part, cooling medium is injected into the cooling cavity through a second air guide channel, a second interface tube and a second pipeline, the cooling cavity is filled with the cooling medium, and therefore, when the upper end contact section at the upper end of the right-end sliding part is attached to the inner wall of the cavity, the temperature on the inner wall of the cavity can be effectively reduced through heat transfer, and rapid heat dissipation is realized. In addition, the present utility model has innovated in view of how to reduce the problem of wear; when the piston rod does not need to be subjected to heat dissipation treatment, the elastic acting force of the main spring is larger than that of the auxiliary spring, the sliding pushing block can be pushed downwards to be always propped against the lower end seat, and the right-end sliding part is hidden in the longitudinal travel hole, so that the right-end sliding part cannot be in contact with the inner wall of the cavity, abrasion is effectively reduced, and the service life is prolonged. When the piston rod needs to be subjected to heat dissipation treatment, gas is injected through the first air guide channel, the first interface pipe and the first pipeline, the injected gas can push the sliding pushing block upwards, and then the sliding part at the right end locally extends out of the longitudinal travel hole and is attached to the inner wall of the cavity, and the temperature on the inner wall of the cavity can be effectively reduced through heat transfer, so that rapid heat dissipation is realized; after heat dissipation is finished, air is pumped out and reset by the main spring, so that the device is very convenient and fast. The auxiliary spring can play a role in buffering, and the sliding pushing block collision is avoided.
2. The cross section of the upper end face of the upper end contact section is semicircular, so that abrasion can be effectively relieved.
3. The arrangement of the extension section can limit the stress part at the left end.
4. According to the utility model, the main elastic chamber and the auxiliary elastic chamber are effectively isolated by arranging the inward sink groove and the graphite sealing ring, so that the gas in the auxiliary elastic chamber is prevented from being introduced into the main elastic chamber, and the structure is more reasonable.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
fig. 2 is an enlarged view of a portion a in fig. 1;
fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure: 11. a piston; 12. a driving rod; 13. an opening; 21. a housing; 211. an extension section; 22. a lower end cover plate; 23. an inner cavity; 31. a lower end seat; 41. a left end stress part; 42. a right end sliding part; 421. the upper end is contacted with the contact section; 51. a longitudinal travel hole; 61. a main elastic chamber; 62. a main spring; 63. a sub elastic chamber; 64. a secondary spring; 71. a first air duct; 72. a first interface tube; 73. a first pipeline; 81. a cooling chamber; 82. a second air duct; 83. a second interface tube; 84. a second pipeline; 91. and (3) a graphite sealing ring.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3;
the embodiment discloses a high strength piston rod, including the piston rod, the piston rod comprises piston 11 and actuating lever 12, and piston 11 is arranged in the cavity and is pasted on the inner wall of cavity, and actuating lever 12 is fixed mutually with piston 11, and this actuating lever 12 is used for driving piston 11 and carries out horizontal reciprocating motion, and opening 13 that supplies actuating lever 12 to stretch out is seted up to the right-hand member of cavity, and actuating lever 12 stretches out opening 13 back and connects on the drive piece of outside. The above-mentioned basic structure as the piston rod belongs to prior art field.
A cooling component which can be contacted with the inner wall of the cavity to realize heat dissipation is arranged on the driving rod 12; the cooling assembly comprises a shell 21, wherein the shell 21 is fixed on the driving rod 12, and the shell 21 is close to or attached to the piston 11; the lower end of the shell 21 is fixedly provided with a lower end cover plate 22 for sealing, an inner cavity 23 is formed in the shell 21, a sliding push block is arranged in the inner cavity 23, and the sliding push block can longitudinally reciprocate in the inner cavity 23; the bottom of the inner cavity 23 is fixedly provided with a lower end seat 31, the left side and the right side of the sliding push block are respectively attached to the wall of the inner cavity 23, the sliding push block consists of a left end stress part 41 and a right end sliding part 42, the upper end of the inner cavity 23 is provided with a longitudinal travel hole 51 for the right end sliding part 42 to longitudinally move, and the upper end of the longitudinal travel hole 51 is open; a main elastic chamber 61 is formed between the upper end of the left end stress part 41 and the inner cavity 23, a sub elastic chamber 63 is formed between the lower end and the inner cavity 23, a main spring 62 and a sub spring 64 are respectively arranged in the main elastic chamber 61 and the sub elastic chamber 63, the elastic acting force of the main spring 62 is larger than that of the sub spring 64, the sliding pushing block is pushed downwards to be always propped against the lower end seat 31, and the right end sliding part 42 is hidden in the longitudinal travel hole 51;
a first air duct 71 is provided in the lower end seat 31, one end of the first air duct 71 is communicated with the auxiliary elastic chamber 63, the other end is communicated with the shell 21, and a first interface tube 72 is provided, a first pipeline 73 which can extend out of the cavity is connected to the first interface tube 72, the first pipeline 73 is used for injecting air, the air injected into the first air duct 71 can push the sliding pushing block upwards, and the right sliding part 42 extends out of the longitudinal travel hole 51 locally and is attached to the inner wall of the cavity;
an upper end contact section 421 is fixed at the upper end of the right end sliding part 42, a cooling cavity 81 is formed in the upper end contact section 421, a second air guide channel 82 communicated with the cooling cavity 81 is formed in the right end sliding part 42, a second interface tube 83 is arranged in the shell 21, and when the sliding push block is propped against the lower end seat 31, the second interface tube 83 is communicated with the second air guide channel 82; a second pipe 84 extending out of the chamber is connected to the second port 83, and the second pipe 84 is used for injecting a cooling medium.
Wherein, the upper end surface of the upper contact section 421 has a semicircular cross-section.
An extension section 211 is disposed in the housing 21 near the main elastic chamber 61, and the extension section 211 is located above the left end force receiving portion 41 and can abut against the left end force receiving portion 41 to perform limiting.
Wherein, the left end of the left end stress part 41 is provided with an invagination groove, and a graphite sealing ring 91 is arranged in the invagination groove.
The working principle of the embodiment is as follows:
the cooling assembly is arranged to realize heat dissipation in the movement process of the piston rod, so that the phenomenon that the surface of the piston rod is easy to turn black and abrade after heating is effectively avoided, and the strength of the piston rod is further improved, and the service life of the piston rod is prolonged. The cooling assembly comprises a housing 21, a sliding push block is arranged in the housing 21, the sliding push block is composed of a left end stressed part 41 and a right end sliding part 42, the right end sliding part 42 can be attached to the inner wall of the cavity through a longitudinal travel hole 51, a cooling cavity 81 is formed in an upper end contact section 421 at the upper end of the right end sliding part 42, cooling medium is injected into the cooling cavity 81 through a second air guide channel 82, a second interface pipe 83 and a second pipeline 84, the cooling cavity 81 is filled with the cooling medium, and therefore, when the upper end contact section 421 at the upper end of the right end sliding part 42 is attached to the inner wall of the cavity, the temperature on the inner wall of the cavity can be effectively reduced through heat transfer, and rapid heat dissipation is realized.
In addition, the present embodiment makes innovations in view of how to reduce wear.
When the piston rod does not need to perform heat dissipation treatment, the elastic acting force of the main spring 62 is larger than that of the auxiliary spring 64, the sliding pushing block can be pushed down to be always propped against the lower end seat 31, and the right end sliding part 42 is hidden in the longitudinal travel hole 51, so that the right end sliding part 42 cannot contact with the inner wall of the cavity, abrasion cannot be generated, and the service life is prolonged;
when the piston rod needs to perform heat dissipation treatment, air is injected through the first air guide channel 71, the first interface pipe 72 and the first pipeline 73, the injected air can push up the sliding pushing block, so that the right sliding part 42 locally extends out of the longitudinal travel hole 51 and is attached to the inner wall of the cavity, and then the temperature on the inner wall of the cavity can be effectively reduced through heat transfer of the cooling cavity 81, and rapid heat dissipation is realized; after the heat dissipation is finished, the air is pumped out and reset by the main spring 62, so that the heat dissipation device is very convenient.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (4)
1. The utility model provides a high strength piston rod, includes the piston rod, the piston rod by piston (11) and actuating lever (12) constitute, piston (11) place in the cavity and paste on the inner wall of cavity, actuating lever (12) be fixed with piston (11), this actuating lever (12) are used for driving piston (11) and carry out horizontal reciprocating motion, the right-hand member of cavity has been seted up and has been supplied actuating lever (12) to stretch out opening (13), actuating lever (12) stretch out opening (13) back and connect on the outside driving piece; the method is characterized in that:
a cooling component which can be contacted with the inner wall of the cavity to realize heat dissipation is arranged on the driving rod (12); the cooling assembly comprises a shell (21), the shell (21) is fixed on the driving rod (12), and the shell (21) is close to or attached to the piston (11); the lower end of the shell (21) is fixedly provided with a lower end cover plate (22) for sealing, an inner cavity (23) is formed in the shell (21), a sliding pushing block is arranged in the inner cavity (23), and the sliding pushing block can longitudinally reciprocate in the inner cavity (23); the bottom of the inner cavity (23) is fixedly provided with a lower end seat (31), the left side and the right side of the sliding pushing block are respectively attached to the wall of the inner cavity (23), the sliding pushing block consists of a left end stress part (41) and a right end sliding part (42), the upper end of the inner cavity (23) is provided with a longitudinal travel hole (51) for the right end sliding part (42) to longitudinally move, and the upper end of the longitudinal travel hole (51) is in an open shape; a main elastic chamber (61) is formed between the upper end of the left end stress part (41) and the inner cavity (23), a sub elastic chamber (63) is formed between the lower end and the inner cavity (23), a main spring (62) and a sub spring (64) are respectively arranged in the main elastic chamber (61) and the sub elastic chamber (63), the elastic acting force of the main spring (62) is larger than that of the sub spring (64), the sliding pushing block is pushed downwards to be always propped against the lower end seat (31), and the right end sliding part (42) is hidden in the longitudinal travel hole (51);
a first air guide channel (71) is formed in the lower end seat (31), one end of the first air guide channel (71) is communicated with the auxiliary elastic chamber (63), the other end of the first air guide channel is communicated with the shell (21) and is provided with a first interface pipe (72), a first pipeline (73) which can extend out of the cavity is connected to the first interface pipe (72), the first pipeline (73) is used for injecting gas, the gas injected into the first air guide channel (71) can push the sliding pushing block upwards, and the right end sliding part (42) partially extends out of the longitudinal travel hole (51) and is attached to the inner wall of the cavity;
an upper end contact section (421) is fixed at the upper end of the right end sliding part (42), a cooling cavity (81) is formed in the upper end contact section (421), a second air guide channel (82) communicated with the cooling cavity (81) is formed in the right end sliding part (42), a second interface tube (83) is arranged in the shell (21), and when the sliding push block is propped against the lower end seat (31), the second interface tube (83) is communicated with the second air guide channel (82); the second interface pipe (83) is connected with a second pipeline (84) which can extend out of the cavity, and the second pipeline (84) is used for injecting cooling medium.
2. A high strength piston rod according to claim 1, wherein: the upper end surface of the upper end contact section (421) is semicircular in cross section.
3. A high strength piston rod according to claim 1, wherein: an extension section (211) is arranged in the housing (21) near the main elastic chamber (61), and the extension section (211) is positioned above the left end stress part (41) and can abut against the left end stress part (41) to limit.
4. A high strength piston rod according to claim 1, wherein: an inward sinking groove is formed in the left end part of the left end stress part (41), and a graphite sealing ring (91) is arranged in the inward sinking groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320444193.4U CN219827681U (en) | 2023-03-05 | 2023-03-05 | High-strength piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320444193.4U CN219827681U (en) | 2023-03-05 | 2023-03-05 | High-strength piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827681U true CN219827681U (en) | 2023-10-13 |
Family
ID=88248608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320444193.4U Active CN219827681U (en) | 2023-03-05 | 2023-03-05 | High-strength piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827681U (en) |
-
2023
- 2023-03-05 CN CN202320444193.4U patent/CN219827681U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219827681U (en) | High-strength piston rod | |
| CN210978051U (en) | Energy-saving two-cylinder high-pressure plunger hydraulic cylinder | |
| CN210265324U (en) | Piston guide structure of hydraulic breaking hammer | |
| CN200985919Y (en) | Hydraulic reinforcement air cylinder | |
| CN209972700U (en) | Improved front fork shock absorber of electric vehicle | |
| CN104006021B (en) | A kind of hinged interior rod-type single-acting cylinder | |
| CN114704520A (en) | Self-heat-dissipation quick oil cylinder | |
| CN210106288U (en) | Hydraulic hoist with hydro-cylinder buffer function | |
| CN219492506U (en) | Pneumatic oil pump | |
| CN110925264A (en) | Double-buffering low-noise air cylinder | |
| CN202280693U (en) | Brute-force self-locking oil cylinder | |
| CN202280685U (en) | Powerful self-locking oil cylinder | |
| CN202165153U (en) | Piston cooling oil passage | |
| CN219655362U (en) | High-strength valve for engine | |
| CN201377361Y (en) | 474 engine piston | |
| CN212775035U (en) | Floating buffering translation hydro-cylinder | |
| CN205578596U (en) | Improved generation atmospheric pressure damping piston and use its atmospheric pressure damping bumper shock absorber | |
| CN2463162Y (en) | Energy-saving injection cylinder for injection moulding machine | |
| CN219587893U (en) | Double-rod-outlet cylinder | |
| CN215486956U (en) | Novel air cylinder | |
| CN217736446U (en) | Hydraulic actuator | |
| CN116753210B (en) | Multicavity hydraulic cylinder with buffer function | |
| CN218894822U (en) | Energy-saving clamping cylinder | |
| CN213511080U (en) | Variable displacement compressor control valve of combined valve body | |
| CN203082073U (en) | Clutch booster |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |