CN220036849U - Pneumatic bidirectional oil outlet pump - Google Patents
Pneumatic bidirectional oil outlet pump Download PDFInfo
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- CN220036849U CN220036849U CN202321119380.1U CN202321119380U CN220036849U CN 220036849 U CN220036849 U CN 220036849U CN 202321119380 U CN202321119380 U CN 202321119380U CN 220036849 U CN220036849 U CN 220036849U
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- oil outlet
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- 230000002457 bidirectional effect Effects 0.000 title abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of pneumatic oil pumps, and particularly relates to a pneumatic bidirectional oil pump which comprises a cylinder and a pump body, wherein an oil cavity, a piston in sealing sliding fit with the side wall of the oil cavity and a piston rod for driving the piston to reciprocate are arranged in the pump body, one end of the piston rod is connected with a one-way oil outlet valve, the other end of the piston rod penetrates through the pump body and is connected with an output shaft of the cylinder, the piston rod is in sealing sliding fit with the pump body, the piston is sleeved on the periphery of the one-way oil outlet valve, an oil inlet is formed in one end, far away from the cylinder, of the pump body, an oil outlet is formed in one end, close to the cylinder, of the pump body, and a one-way oil inlet valve is arranged between the one-way oil outlet valve and the oil inlet. According to the utility model, the one-way oil inlet valve is arranged between the piston and the oil inlet, the one-way oil outlet valve is arranged between the piston and the oil outlet, the piston is driven by the cylinder to reciprocate in the oil cavity, so that bidirectional oil outlet is realized, the oil outlet efficiency of the oil pump is effectively improved, and the output oil pressure can be improved when the piston moves downwards.
Description
Technical Field
The utility model belongs to the technical field of pneumatic oil pumps, and particularly relates to a pneumatic bidirectional oil outlet pump.
Background
The pneumatic oil pump is powered by compressed air and is used for pumping various liquid in the device, is particularly suitable for oil and solvent with strong inflammability, explosiveness and volatility, and has the advantages of light weight, convenience, high pumping speed, safety and reliability. At present, a traditional pneumatic oil pump is connected with compressed air, a piston rod reciprocates in a pump body, when a piston moves downwards (the volume of an internal oil cavity at the lower part of the piston is reduced), oil is extruded to enable an oil outlet of the pump body to realize oil discharge, and when the piston moves upwards (the volume of the internal oil cavity at the lower part of the piston is increased), the oil outlet of the pump body does not have oil liquid output, so that the pneumatic oil pump can only realize unidirectional oil discharge, and the oil discharge efficiency is lower. Therefore, the pneumatic oil pump capable of realizing bidirectional oil discharge is provided, and the oil discharge efficiency is effectively improved.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides a pneumatic bidirectional oil outlet pump, and the bidirectional oil outlet of the oil pump can be realized by the pneumatic bidirectional oil outlet pump, so that the oil outlet efficiency of the pneumatic bidirectional oil outlet pump is effectively improved.
In order to achieve the above purpose, the technical solution of the present utility model is as follows:
pneumatic two-way oil pump, including cylinder and pump body, its characterized in that: the oil pump is characterized in that an oil cavity, a piston in sealing sliding fit with the side wall of the oil cavity and a piston rod for driving the piston to reciprocate are arranged inside the pump body, one end of the piston rod is connected with a one-way oil outlet valve, the other end of the piston rod penetrates through the pump body and is connected with an output shaft of the cylinder, the piston rod is in sealing sliding fit with the pump body, the piston is sleeved on the periphery of the one-way oil outlet valve, one end, far away from the cylinder, of the pump body is provided with an oil inlet, one end, close to the cylinder, of the pump body is provided with an oil outlet, and a one-way oil inlet valve is arranged between the one-way oil outlet valve and the oil inlet.
Preferably, the pump body is composed of a valve body and a valve seat, the valve seat is in threaded connection with the oil inlet end of the valve body, the one-way oil inlet valve is positioned between the valve body and the valve seat, the oil inlet is arranged on the valve seat and communicated with the oil cavity, and the oil outlet is arranged on the valve body and communicated with the oil cavity.
Preferably, a core tube tightly attached to the inner wall of the valve body is arranged in the valve body, the piston and the piston rod are both positioned in the core tube, and the piston is in sealing sliding fit with the inner wall of the core tube.
Preferably, the one-way oil inlet valve comprises an oil inlet ball plug, an upper oil inlet ball plug seat and a lower oil inlet ball plug seat, wherein an upper oil inlet hole is formed in the middle of the upper oil inlet ball plug seat, a lower oil inlet hole is formed in the middle of the lower oil inlet ball plug seat, the inner diameter of the lower oil inlet hole is smaller than the outer diameter of the oil inlet ball plug, the oil inlet ball plug is located between the upper oil inlet hole and the lower oil inlet hole and can move up and down, when the oil inlet ball plug moves downwards to be in contact with the lower oil inlet hole, sealing is realized by tightly fitting the upper oil inlet ball plug and the lower oil inlet hole, and a gap is formed between the upper oil inlet ball plug and the lower oil inlet hole to allow oil to pass through when the oil inlet ball plug moves upwards to be in contact with the upper oil inlet hole.
Preferably, the upper oil inlet ball plug seat is of a U-shaped structure and is reversely buckled above the oil inlet ball plug, the inner diameter of the upper oil inlet plug seat is larger than the outer diameter of the oil inlet ball plug, the upper oil inlet hole is formed in the upper end of the upper oil inlet plug seat, and the lower end of the upper oil inlet ball plug is abutted against the lower oil inlet ball plug seat.
Preferably, the upper oil inlet hole comprises a central hole and at least one eccentric hole, the central hole is communicated with the eccentric hole, and the inner diameter of the central hole is smaller than the outer diameter of the oil inlet ball plug.
Preferably, the one-way oil outlet valve comprises an oil outlet ball plug, an upper oil outlet ball plug seat and a lower oil outlet ball plug seat, wherein a lower oil outlet hole is formed in the middle of the lower oil outlet ball plug seat, the aperture of the lower oil outlet hole is smaller than the outer diameter of the oil outlet ball plug, the upper oil outlet ball plug seat is U-shaped and is reversely buckled on the lower oil outlet ball plug seat, the inner diameter of the upper oil outlet ball plug seat is larger than the outer diameter of the oil outlet ball plug, an upper oil outlet hole is formed in the upper portion of the side wall of the upper oil outlet ball plug seat, the oil inlet ball plug is located between the upper oil outlet ball plug seat and the lower oil outlet hole and can move up and down, and when the oil outlet ball plug contacts with the lower oil outlet hole, the upper oil outlet ball plug seat and the lower oil outlet ball plug are tightly attached to each other to realize sealing.
Preferably, the upper oil outlet ball plug seat is in threaded connection with the lower oil outlet ball plug seat.
Preferably, the periphery of the one-way oil outlet valve is provided with a sealing component which is in sealing sliding fit with the inner wall of the pump body.
Preferably, the sealing assembly comprises an upper clamping block and a lower clamping block, the upper clamping block and the lower clamping block are both sleeved on the periphery of the upper one-way oil outlet valve, and at least one sealing gasket is arranged between the upper clamping block and the lower clamping block.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the utility model, the one-way oil inlet valve is arranged between the piston and the oil inlet, the one-way oil outlet valve is arranged between the piston and the oil outlet, the piston is driven by the cylinder to reciprocate in the oil cavity, so that bidirectional oil outlet is realized, the oil outlet efficiency of the oil pump is effectively improved, and high-pressure oil outlet can be provided when the piston moves downwards;
(2) The utility model has novel and reasonable structural design, and the valve body is connected with the valve seat, the upper oil outlet ball plug seat and the lower oil outlet ball plug seat by adopting threads, thereby being convenient for disassembly and assembly and regular maintenance.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic view of the structure of the oil feeding ball plunger seat of the present utility model;
FIG. 4 is a schematic cross-sectional view of an oil feeding ball plunger seat according to the present utility model;
FIG. 5 is a schematic view of the structure of the present utility model after the oil intake ball plunger of FIG. 4 is assembled;
FIG. 6 is a schematic view of the bottom view of the oil feeding ball plunger seat of the present utility model;
in the figure: 1. cylinder, 2, pump body, 201, valve body, 202, disk seat, 3, oil pocket, 4, piston, 5, piston rod, 6, oil inlet, 7, oil outlet, 8, oil inlet ball plug, 9, upper oil inlet ball plug seat, 10, lower oil inlet ball plug seat, 11, upper oil inlet hole, 1101, central hole, 1102, eccentric hole, 12, lower oil inlet hole, 13, oil outlet ball plug, 14, upper oil outlet ball plug seat, 15, lower oil outlet ball plug seat, 16, lower oil outlet hole, 17, upper oil outlet hole, 18, upper clamp splice, 19, lower clamp splice, 20, sealing gasket, 21, core pipe, 22, wing plate, 23, step groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "middle," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in figure 1, the pneumatic bidirectional oil outlet pump comprises a cylinder 1 and a pump body 2, wherein an oil cavity 3, a piston 4 in sealing sliding fit with the side wall of the oil cavity and a piston rod 5 for driving the piston to reciprocate are arranged in the pump body, one end of the piston rod is connected with a one-way oil outlet valve, when the piston moves downwards, oil can enter the oil cavity at the upper part of the piston from the oil cavity at the lower part of the piston, the other end of the piston rod penetrates the pump body and is connected with an output shaft of the cylinder, the piston rod is in sealing sliding fit with the pump body, a sealing ring is arranged at the joint of the piston rod penetrating the top wall of the pump body, the piston is sleeved on the periphery of the one-way oil outlet valve, and the piston is under the action of the piston rod, the oil pump is characterized in that the oil pump slides along the side wall of an oil cavity (namely the inner wall of a valve body) and keeps sealing, an oil inlet 6 is formed in one end of a pump body, which is far away from a cylinder (namely the lower end of the valve body), an oil outlet 7 is formed in one end of the pump body, which is close to the cylinder, the oil outlet is formed in the side wall of the pump body, the central axis of the oil outlet is perpendicular to the central axis of the oil inlet, a one-way oil inlet valve is arranged between the one-way oil outlet valve and the oil inlet, when a piston moves upwards, oil can enter the oil cavity at the lower end of a lower oil inlet ball plug seat from the oil inlet, when the cylinder drives a piston rod to move upwards, the volume between the piston and the one-way oil inlet valve is increased, the internal air pressure is reduced, the one-way oil inlet valve is opened, and the oil enters the oil cavity from the oil inlet; when the cylinder drives the piston rod to move downwards, the volume between the piston and the one-way oil inlet valve is reduced, the oil pressure is increased, the one-way oil outlet valve is opened, and the oil below the piston is discharged through the oil outlet. In order to facilitate the manufacture and assembly of the pump body, the pump body is formed by a valve body 201 and a valve seat 202, the valve seat is in threaded connection with the oil inlet end of the valve body, a one-way oil inlet valve is arranged between the valve body and the valve seat, a mounting groove is formed in the valve seat, the one-way oil inlet valve is embedded in the mounting groove, a wing plate 22 arranged at the upper end of an upper oil inlet ball plug seat is clamped with the edge of the mounting groove, the wing plate and the upper oil inlet ball plug seat are of an integrated structure, an oil inlet is formed in the valve seat and communicated with an oil cavity, an oil outlet is formed in the valve body and communicated with the oil cavity, and when the valve body is connected with the valve seat, the one-way oil inlet valve is clamped and fixed between the two. Because the piston need keep the leakproofness when sliding along the valve body inner wall, the inner wall of valve body need carry out fine machining, for processing convenience, be equipped with in the valve body in this embodiment rather than the closely core pipe of laminating of inner wall, piston rod all lie in the core pipe, the piston with the inner wall sealing sliding fit of core pipe, only need during processing the inner wall of core pipe carry out fine machining can, the reduction processing degree of difficulty. In this embodiment, in order to install the valve seat and the valve body, the inner wall of the valve body in this embodiment is stepped, that is, the inner diameter of the lower end of the valve body is smaller than the inner diameter of the upper end of the valve body, when the core pipe is inserted from the lower end of the valve body, the stepped inner wall can fix the core pipe, and can limit the stroke of the piston, so as to avoid the sliding to the oil outlet position.
As shown in fig. 2, the one-way oil inlet valve comprises an oil inlet ball plug 8, an upper oil inlet ball plug seat 9 and a lower oil inlet ball plug seat 10, an upper oil inlet hole 11 is arranged in the middle of the upper oil inlet ball plug seat, the upper oil inlet ball plug seat is of a U-shaped structure and is reversely buckled above the oil inlet ball plug, the oil inlet ball plug is positioned in a U-shaped groove of the upper oil inlet ball plug seat, the inner diameter (inner diameter of the U-shaped groove) of the upper oil inlet ball plug seat is larger than the outer diameter of the oil inlet ball plug, the upper oil inlet hole is arranged at the upper end of the upper oil inlet ball plug seat, the lower end of the upper oil inlet ball plug is in contact with the lower oil inlet ball plug seat, a lower oil inlet hole 12 is arranged in the middle of the lower oil inlet ball plug seat, the lower oil inlet hole is a round hole, the inner diameter of the lower oil inlet ball plug seat is smaller than the outer diameter of the oil inlet ball plug, the upper oil inlet hole and the lower oil inlet hole are through holes, the oil inlet ball plug is positioned between the upper oil inlet hole and the lower oil inlet hole, and can move up and down in the upper oil inlet plug seat in the embodiment, the oil inlet ball plug adopts a steel ball body, the surface of the oil inlet ball plug is finely processed, when the oil inlet ball plug moves downwards to be in contact with the lower oil inlet hole, the oil inlet ball plug is tightly jointed with the orifice edge of the lower oil inlet hole to realize sealing, when the oil inlet ball plug moves upwards to be in contact with the upper oil inlet hole, a gap is reserved between the oil inlet ball plug and the upper oil inlet hole to allow oil to pass through, namely, no matter where the oil inlet ball plug is positioned, the oil can pass through the upper oil inlet hole of the upper oil inlet ball plug seat, and when the oil inlet ball plug is jointed with the lower oil inlet hole, the oil can not pass through the lower oil inlet hole, the upper oil inlet hole comprises a central hole 1101 and at least one eccentric hole 1102, the central hole and the eccentric hole are in a coincident intersection part, the coincident intersection part is communicated, the inner diameter of the central hole is smaller than the outer diameter of the oil inlet ball plug, in the embodiment, the quantity of the eccentric holes is 4, evenly and symmetrically distributed on the periphery of the central hole, and ensures the efficiency of oil passing through the upper oil inlet hole.
As shown in fig. 2, the one-way oil outlet valve comprises an oil outlet ball plug 13, an upper oil outlet ball plug seat 14 and a lower oil outlet ball plug seat 15, wherein a lower oil outlet hole 16 is arranged in the middle of the lower oil outlet ball plug seat, the aperture of the lower oil outlet hole is smaller than the outer diameter of the oil outlet ball plug, the aperture of the lower end of the lower oil outlet hole in the embodiment is in a horn shape, the diameter of the aperture is changed to improve the oil outlet pressure, the outer diameter of the oil outlet ball plug is larger than the inner diameter of the aperture of the upper end of the lower oil outlet hole, and the oil outlet ball plug is tightly attached to the edge of the aperture of the upper end of the lower oil outlet hole to realize sealing. The upper oil outlet ball plug seat is U-shaped and is reversely buckled on the lower oil outlet ball plug seat, the inner diameter of the upper oil outlet ball plug seat is larger than the outer diameter of the oil outlet ball plug, the upper oil outlet holes 17 are formed in the upper portion of the side wall of the upper oil outlet ball plug seat, the number of the upper oil outlet holes is at least one, the oil inlet ball plug is located between the upper oil outlet ball plug seat and the lower oil outlet holes and can move up and down, and when a piston rod moves upwards, the oil outlet ball plug contacts with the lower oil outlet holes, and sealing is achieved through close fit between the upper oil outlet ball plug seat and the lower oil outlet holes.
As shown in fig. 1 and fig. 2, in order to further enhance the sealing performance of the piston in the oil cavity in a reciprocating sliding manner, the periphery of the one-way oil outlet valve is provided with a sealing assembly in sealing sliding fit with the inner wall of the pump body, the lower end of the sealing assembly is tightly attached to the piston, the sealing assembly comprises an upper clamping block 18 and a lower clamping block 19, the upper clamping block and the lower clamping block are both sleeved on the periphery of the upper one-way oil outlet valve, at least one sealing gasket 20 is arranged between the upper clamping block and the lower clamping block, the number of the sealing gaskets in the embodiment is 5, the vertical section of the sealing gasket is in a V shape, the upper clamping block is in contact with a stepped groove formed on the outer wall of the upper oil outlet ball plug seat, the lower clamping block is in contact with a stepped groove formed on the lower oil outlet ball plug seat, and the upper oil outlet ball plug seat is in threaded connection with the lower oil outlet ball plug seat.
In the embodiment, sealing rings are arranged between the piston rod and the top wall of the valve body, between the valve body and the valve seat and between the one-way oil inlet valve and the valve seat so as to improve the tightness.
The working principle of the utility model is as follows:
as shown in fig. 1 to 6, when the cylinder 1 works for the first time, the cylinder 1 provides power for the piston rod 5, and when the piston rod 5 is driven to move towards the upper end of the valve body 201, the volume of an oil cavity part at the lower end of the piston 4 (namely, a part between the piston 4 and the one-way oil inlet valve) is increased, the internal pressure is reduced, the oil inlet ball plug 8 moves upwards to be attached to the upper oil inlet hole 9, the oil enters from the oil inlet 6 on the valve seat 202, enters into the valve body 201 after passing through the lower oil inlet hole 12 and the upper oil inlet hole 11, and is positioned between the oil inlet one-way valve and the piston 4 until the piston 4 moves to the uppermost end of the core pipe 21; then the cylinder 1 drives the piston rod 5 to move towards the lower end of the valve body 201 again, at the moment, the oil inlet ball plug 8 falls onto the lower oil inlet ball plug seat 10 and is tightly attached to the lower oil inlet hole 12, oil cannot flow towards the oil inlet 6 through the oil inlet one-way valve, the volume of an oil cavity between the piston 4 and the one-way oil inlet valve is reduced, the oil pressure is increased, the oil in the cylinder is jacked up by the oil outlet ball plug through the lower oil outlet hole 12 and flows into the oil cavity at the upper part of the piston 4 through the upper oil outlet hole 17, wherein part of the oil realizes high-pressure oil outlet through the oil outlet 7, and the other part of the oil remains in the oil cavity at the upper part of the piston 4; when the cylinder 1 drives the piston rod 5 to move towards the upper end of the valve body 201 again, the oil inlet 6 is used for oil feeding again, meanwhile, the oil in the oil cavity remained at the upper part of the piston 4 before is discharged from the oil outlet 7 under the extrusion of the piston 4 and the sealing assembly, and the like, and the reciprocating motion of the piston realizes bidirectional oil discharge.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. Pneumatic two-way oil pump, including cylinder and pump body, its characterized in that: the oil pump is characterized in that an oil cavity, a piston in sealing sliding fit with the side wall of the oil cavity and a piston rod for driving the piston to reciprocate are arranged inside the pump body, one end of the piston rod is connected with a one-way oil outlet valve, the other end of the piston rod penetrates through the pump body and is connected with an output shaft of the cylinder, the piston rod is in sealing sliding fit with the pump body, the piston is sleeved on the periphery of the one-way oil outlet valve, one end, far away from the cylinder, of the pump body is provided with an oil inlet, one end, close to the cylinder, of the pump body is provided with an oil outlet, and a one-way oil inlet valve is arranged between the one-way oil outlet valve and the oil inlet.
2. The pneumatic bi-directional oil pump of claim 1 wherein: the pump body is composed of a valve body and a valve seat, the valve seat is in threaded connection with the oil inlet end of the valve body, the one-way oil inlet valve is located between the valve body and the valve seat, the oil inlet is arranged on the valve seat and communicated with the oil cavity, and the oil outlet is arranged on the valve body and communicated with the oil cavity.
3. The pneumatic bi-directional oil pump of claim 2 wherein: the valve body is internally provided with a core pipe closely attached to the inner wall of the valve body, the piston and the piston rod are both positioned in the core pipe, and the piston is in sealing sliding fit with the inner wall of the core pipe.
4. The pneumatic bi-directional oil pump of claim 1 wherein: the one-way oil inlet valve comprises an oil inlet ball plug, an upper oil inlet ball plug seat and a lower oil inlet ball plug seat, wherein an upper oil inlet hole is formed in the middle of the upper oil inlet ball plug seat, a lower oil inlet hole is formed in the middle of the lower oil inlet ball plug seat, the inner diameter of the lower oil inlet hole is smaller than the outer diameter of the oil inlet ball plug, the oil inlet ball plug is located between the upper oil inlet hole and the lower oil inlet hole and can move up and down, when the oil inlet ball plug moves downwards to be in contact with the lower oil inlet hole, sealing is achieved through tight fit between the oil inlet ball plug and the lower oil inlet hole, and when the oil inlet ball plug moves upwards to be in contact with the upper oil inlet hole, a gap is reserved between the oil inlet ball plug and the lower oil inlet hole for oil liquid to pass through.
5. The pneumatic bi-directional oil pump of claim 4 wherein: the upper oil inlet ball plug seat is U-shaped and reversely buckled above the oil inlet ball plug, the inner diameter of the upper oil inlet ball plug seat is larger than the outer diameter of the oil inlet ball plug, the upper oil inlet hole is formed in the upper end of the upper oil inlet ball plug seat, and the lower end of the upper oil inlet ball plug is abutted to the lower oil inlet ball plug seat.
6. The pneumatic bi-directional oil pump of claim 4 wherein: the upper oil inlet hole comprises a central hole and at least one eccentric hole, the central hole is communicated with the eccentric hole, and the inner diameter of the central hole is smaller than the outer diameter of the oil inlet ball plug.
7. The pneumatic bi-directional oil pump of claim 4 wherein: the one-way oil outlet valve comprises an oil outlet ball plug, an upper oil outlet ball plug seat and a lower oil outlet ball plug seat, wherein a lower oil outlet hole is formed in the middle of the lower oil outlet ball plug seat, the aperture of the lower oil outlet hole is smaller than the outer diameter of the oil outlet ball plug, the upper oil outlet ball plug seat is U-shaped and is reversely buckled on the lower oil outlet ball plug seat, the inner diameter of the upper oil outlet ball plug seat is larger than the outer diameter of the oil outlet ball plug, an upper oil outlet hole is formed in the upper portion of the side wall of the upper oil outlet ball plug seat, the oil inlet ball plug is located between the upper oil outlet ball plug seat and the lower oil outlet hole and can move up and down, and when the oil outlet ball plug contacts with the lower oil outlet hole, the upper oil outlet ball plug seat and the lower oil outlet ball plug are tightly attached to each other to realize sealing.
8. The pneumatic bi-directional oil discharge pump of claim 7 wherein: the upper oil outlet ball plug seat is in threaded connection with the lower oil outlet ball plug seat.
9. The pneumatic bi-directional oil pump of claim 1 wherein: and the periphery of the one-way oil outlet valve is provided with a sealing component which is in sealing sliding fit with the inner wall of the pump body.
10. The pneumatic bi-directional oil discharge pump of claim 9 wherein: the sealing assembly comprises an upper clamping block and a lower clamping block, wherein the upper clamping block and the lower clamping block are sleeved on the periphery of the upper one-way oil outlet valve, and at least one sealing gasket is arranged between the upper clamping block and the lower clamping block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321119380.1U CN220036849U (en) | 2023-05-11 | 2023-05-11 | Pneumatic bidirectional oil outlet pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321119380.1U CN220036849U (en) | 2023-05-11 | 2023-05-11 | Pneumatic bidirectional oil outlet pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036849U true CN220036849U (en) | 2023-11-17 |
Family
ID=88741072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321119380.1U Active CN220036849U (en) | 2023-05-11 | 2023-05-11 | Pneumatic bidirectional oil outlet pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036849U (en) |
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2023
- 2023-05-11 CN CN202321119380.1U patent/CN220036849U/en active Active
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