CN214661144U - Pneumatic one-way supercharging device - Google Patents
Pneumatic one-way supercharging device Download PDFInfo
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- CN214661144U CN214661144U CN202120310891.6U CN202120310891U CN214661144U CN 214661144 U CN214661144 U CN 214661144U CN 202120310891 U CN202120310891 U CN 202120310891U CN 214661144 U CN214661144 U CN 214661144U
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Abstract
The utility model discloses an one-way supercharging device of pneumatic type, include: the cylinder and fix hollow pressure boost pole on the cylinder. The piston rod of the cylinder slides in the first end of the pressure increasing rod, and the outer wall of the piston rod is tightly attached to the inner wall of the pressure increasing rod. The second end of the pressure increasing rod is provided with an oil inlet and an oil outlet, and the oil inlet and the oil outlet are internally provided with one-way valves. The end face, facing the cylinder, of the pressurizing rod is provided with a first accommodating groove, the end face, facing the pressurizing rod, of the cylinder is provided with a second accommodating groove, a piston rod of the cylinder is sleeved with a sealing sleeve, and the outer wall of the sealing sleeve is tightly attached to the inner walls of the first accommodating groove and the second accommodating groove. An oil leakage hole communicated with the second accommodating groove is formed in the cylinder body, and the oil leakage hole is connected with an external recovery device. The utility model has the advantages that: the pneumatic driving structure is adopted, the whole structure is simple, the cost is low, the oil leakage hole connected with an external recovery device is arranged, and the environment pollution caused by leaked oil can be reduced.
Description
Technical Field
The utility model relates to a technical field of oil piping system pressure boost, in particular to one-way supercharging device of pneumatic type.
Background
In the oil circuit system, the pressure value of the whole oil circuit system is reduced along with the loss of oil quantity after long-time work, and if the pressure value of the oil circuit system is lower than the pressure value of normal work, the oil circuit system needs to be pressurized. Most of the existing devices for pressurizing an oil way system adopt mechanical feeding pressurization, need a built-in or external mechanical driving device, and have the disadvantages of complex structure and high cost. In addition, the internal pressure of the pressurizing device is large because the pressurizing device supplements oil for the high-pressure oil system, and the phenomenon of oil leakage to a greater or lesser extent can be avoided.
SUMMERY OF THE UTILITY MODEL
The main objective of the present invention is to provide an one-way supercharging device of pneumatic type, aiming at solving the problem that the existing device for supercharging to the oil circuit system is complicated in structure, high in cost, free from oil leakage recovery structure and capable of causing environmental pollution after oil leakage.
In order to achieve the above object, the utility model provides an one-way supercharging device of pneumatic type, include: the oil way connection device comprises an air cylinder and a hollow pressure-increasing rod, wherein the first end of the pressure-increasing rod is fixed on a body of the air cylinder, and the second end of the pressure-increasing rod is connected with an external oil supplementing device and an oil way of a system to be pressurized. The piston rod of the cylinder slides in the first end of the pressure increasing rod, and the outer wall of the piston rod is tightly attached to the inner wall of the pressure increasing rod. The second end of the pressure increasing rod is provided with an oil inlet and an oil outlet, and the oil inlet and the oil outlet are internally provided with one-way valves. The end face, facing the cylinder, of the pressurizing rod is provided with a first accommodating groove, the end face, facing the pressurizing rod, of the cylinder is provided with a second accommodating groove, a piston rod of the cylinder is sleeved with a sealing sleeve, and the outer wall of the sealing sleeve is tightly attached to the inner walls of the first accommodating groove and the second accommodating groove. An oil leakage hole communicated with the second accommodating groove is formed in the cylinder body, and the oil leakage hole is connected with an external recovery device.
Furthermore, a first sealing groove is formed in the body of the air cylinder and surrounds the piston rod, the first sealing groove is formed between the body of the air cylinder and the end face of the first end of the pressure increasing rod, and a first sealing ring is arranged in the first sealing groove.
Furthermore, the outer wall of the piston rod is annularly provided with a plurality of second sealing grooves, and second sealing rings are arranged in the second sealing grooves.
Furthermore, a first pressure relief groove is arranged between the second accommodating groove and the oil leakage hole.
Furthermore, a second pressure relief groove coaxially communicated with the second accommodating groove is further formed in the body of the air cylinder, and the end face of the second accommodating groove is arranged in the sealing sleeve and abuts against the notch of the second pressure relief groove.
Compared with the prior art, the beneficial effects of the utility model reside in that: the device adopts the structure of pneumatic drive, and overall structure is simple, low in production cost. In addition, the device is provided with the oil leakage hole connected with an external recovery device, so that the environment pollution caused by leaked oil can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a sectional view taken along A-A in FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
the purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
The utility model provides an one-way supercharging device of pneumatic type.
Referring to fig. 1-4, fig. 1 is a schematic perspective view of an embodiment of the present invention, fig. 2 is a schematic top view of an embodiment of the present invention, fig. 3 is a structural view of a cross section along a-a in fig. 2, and fig. 4 is a partial enlarged view of a B in fig. 3.
As shown in fig. 1-3, in the embodiment of the present invention, the pneumatic unidirectional pressurizing device comprises: the cylinder 100 and hollow pressure increasing rod 200, the first end of pressure increasing rod 200 is fixed on the body of cylinder 100, the second end of pressure increasing rod 200 is connected with the oil circuit of the external oil supply device and the system to be pressurized. The piston rod 110 of the cylinder 100 slides inside the first end of the pressure-increasing rod 200, and the outer wall of the piston rod 110 is closely attached to the inner wall of the pressure-increasing rod 200. The second end of the pressure increasing rod 200 is provided with an oil inlet 210 and an oil outlet 220, the oil inlet 210 is connected with an external oil supplementing device, the oil outlet 220 is connected with an external oil path of a system to be pressurized, and the oil inlet 210 and the oil outlet 220 are both provided with a one-way valve (not shown in the figure).
When the oil line system needs to be pressurized, the piston rod 110 of the driving cylinder 100 moves backwards, and under the action of pressure difference, the check valve in the oil inlet 210 is opened, and the check valve in the oil outlet 220 is closed, so that an external oil supplementing device supplements oil to the pressurizing rod 200. Then, the piston rod 110 of the cylinder 100 is driven to advance, when the piston rod 110 advances, oil in the pressure rod 200 is compressed, and under the pressure action of the oil in the pressure rod 200, the one-way valve in the oil inlet 210 is closed, and the one-way valve in the oil outlet 220 is opened, so that the oil in the pressure rod 200 is supplemented to an oil path of a system to be pressurized, and the pressurization of the system to be pressurized is realized.
As shown in fig. 4, a first receiving groove is formed in an end surface of the pressure increasing rod 200 facing the body of the cylinder 100, a second receiving groove is formed in an end surface of the body of the cylinder 100 facing the pressure increasing rod 200, a sealing sleeve 300 is sleeved on the piston rod 110 of the cylinder 100, an outer wall of the sealing sleeve 300 is closely attached to inner walls of the first receiving groove and the second receiving groove, and an inner wall of the sealing sleeve 300 is closely attached to an outer wall of the piston rod 110, so that a risk that oil in the pressure increasing rod 200 leaks from a gap between the piston rod 110 and an inner wall of the pressure increasing rod 200 is reduced.
The oil leakage hole 120 communicated with the second accommodating groove is formed in the cylinder 100, the oil leakage hole 120 is connected with an external recovery device, a small amount of inevitably leaked oil can flow back into the external recovery device from the oil leakage hole 120, repeated cyclic utilization can be achieved, and pollution to the environment caused by the fact that the oil is directly leaked in the environment is reduced.
Further, in the present embodiment, a first sealing groove 130 is provided on the body of the cylinder 100 around the piston rod 110, the first sealing groove 130 is provided between the body of the cylinder 100 and the end surface of the first end of the pressure increasing rod 200, and a first sealing ring is provided in the first sealing groove 130. By providing the plurality of first seal rings, the risk that oil in the pressure increasing rod 200 leaks from the gap between the piston rod 110 and the inner wall of the pressure increasing rod 200 and further leaks from between the body of the cylinder 100 and the end surface of the first end of the pressure increasing rod 200 can be reduced.
Further, in this embodiment, as shown in fig. 3, a plurality of second seal grooves 111 are annularly disposed on the outer wall of the piston rod 110, and second seal rings are disposed in the second seal grooves 111, so that the risk of leakage of the oil liquid in the pressure increasing rod 200 from the gap between the piston rod 110 and the inner wall of the pressure increasing rod 200 can be further reduced.
Further, in the present embodiment, as shown in fig. 4, the first pressure relief groove 140 is provided between the second receiving groove and the oil leakage hole 120, so that a small amount of oil inevitably leaked from the outside of the sealing sleeve 300 may first leak into the first pressure relief groove 140 to be depressurized, thereby improving the sealing performance of the sealing sleeve 300 when being subjected to pressure impact of the leaked oil.
Further, in this embodiment, a second pressure relief groove 150 coaxially communicated with the second accommodating groove is further disposed in the body of the cylinder 100, and the sealing sleeve 300 is disposed at an end surface of the second accommodating groove and abuts against a notch of the second pressure relief groove 150. The second pressure relief groove 150 may enable a small amount of oil inevitably leaked from the inside of the sealing sleeve 300 to be leaked into the second pressure relief groove 150 first to be depressurized, thereby improving the sealing performance of the sealing sleeve 300 to be maintained well even when the sealing sleeve is subjected to pressure impact of the leaked oil.
Compared with the prior art, the beneficial effects of the utility model reside in that: the device adopts the structure of pneumatic drive, and overall structure is simple, low in production cost. In addition, the device is provided with an oil leakage hole 120 connected with an external recovery device, so that the pollution of leaked oil to the environment can be reduced.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (5)
1. A pneumatic one-way supercharging device, comprising: the oil-gas booster comprises an air cylinder and a hollow booster rod, wherein the first end of the booster rod is fixed on a body of the air cylinder, and the second end of the booster rod is connected with an external oil supplementing device and an oil way of a system to be boosted; a piston rod of the air cylinder slides in the first end of the pressure increasing rod, and the outer wall of the piston rod is tightly attached to the inner wall of the pressure increasing rod; an oil inlet and an oil outlet are formed in the second end of the pressurizing rod, and one-way valves are arranged in the oil inlet and the oil outlet; a first accommodating groove is formed in the end face, facing the cylinder body, of the pressure increasing rod, a second accommodating groove is formed in the end face, facing the pressure increasing rod, of the cylinder body, a sealing sleeve is sleeved on a piston rod of the cylinder, and the outer wall of the sealing sleeve is tightly attached to the inner walls of the first accommodating groove and the second accommodating groove; an oil leakage hole communicated with the second accommodating groove is formed in the cylinder body, and the oil leakage hole is connected with an external recovery device.
2. The pneumatic unidirectional supercharging device of claim 1, wherein a first sealing groove is formed in the cylinder body around the piston rod, the first sealing groove is arranged between the cylinder body and the end face of the first end of the supercharging rod, and a first sealing ring is arranged in the first sealing groove.
3. The pneumatic unidirectional supercharging device of claim 1, wherein a plurality of second sealing grooves are annularly arranged on the outer wall of the piston rod, and second sealing rings are arranged in the second sealing grooves.
4. The pneumatic unidirectional supercharging device of claim 1, wherein a first pressure relief groove is provided between the second receiving groove and the oil leakage hole.
5. The pneumatic unidirectional supercharging device of claim 1, wherein a second pressure relief groove coaxially communicated with the second accommodating groove is further disposed in the cylinder body, and the sealing sleeve is disposed on an end face of the second accommodating groove and abuts against a notch of the second pressure relief groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120310891.6U CN214661144U (en) | 2021-02-03 | 2021-02-03 | Pneumatic one-way supercharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120310891.6U CN214661144U (en) | 2021-02-03 | 2021-02-03 | Pneumatic one-way supercharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214661144U true CN214661144U (en) | 2021-11-09 |
Family
ID=78445968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120310891.6U Active CN214661144U (en) | 2021-02-03 | 2021-02-03 | Pneumatic one-way supercharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214661144U (en) |
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2021
- 2021-02-03 CN CN202120310891.6U patent/CN214661144U/en active Active
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