CN218467759U - Double-end plunger pump - Google Patents
Double-end plunger pump Download PDFInfo
- Publication number
- CN218467759U CN218467759U CN202222740727.6U CN202222740727U CN218467759U CN 218467759 U CN218467759 U CN 218467759U CN 202222740727 U CN202222740727 U CN 202222740727U CN 218467759 U CN218467759 U CN 218467759U
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- plunger
- pump
- pump body
- valve
- eccentric wheel
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a double-end plunger pump, which comprises a pump body, pump body one end both sides are equipped with first liquid valve and the first feed liquor valve of going out respectively, pump body other end both sides are equipped with the second respectively and go out liquid valve and second feed liquor valve, pump body middle part runs through there is the transmission shaft, transmission shaft one end is fixed with the eccentric wheel, the inside pump chamber of having seted up in pump body both ends, be equipped with the plunger in the pump chamber, plunger one end offsets with the eccentric wheel, the plunger other end is equipped with reset spring, plunger outside cover is equipped with the sealing washer, the utility model discloses, through being provided with the eccentric wheel, promote the both sides plunger, cooperation reset spring realizes plunger reciprocating motion, realizes that first liquid valve and second go out liquid valve and go out liquid in turn, improves plunger pump output liquid stability and reliability, is equipped with the plug screw simultaneously, is convenient for clear up the hydrops in the eccentric wheel cavity, ensures eccentric wheel job stabilization.
Description
Technical Field
The utility model belongs to the technical direction of the plunger pump, concretely relates to double-end plunger pump.
Background
The plunger pump is an important device of the hydraulic system. The plunger reciprocates in the cylinder body to change the volume of the sealed working cavity so as to absorb and press oil. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like.
In the prior art, the pumping pressure of the double-end plunger pump is unstable, the oil liquid conveying effect is influenced, and meanwhile, oil liquid is easily accumulated in the cavity of the eccentric wheel, so that the normal work of equipment is influenced. This phenomenon becomes an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to current device a double-end plunger pump to solve the problem that proposes in the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a double-end plunger pump, includes the pump body, pump body one end both sides are equipped with first liquid valve and first feed liquor valve respectively, pump body other end both sides are equipped with the second respectively and go out liquid valve and second feed liquor valve, the pump body middle part runs through there is the transmission shaft, transmission shaft one end is fixed with the eccentric wheel, the pump chamber has been seted up to pump body both ends are inside, be equipped with the plunger in the pump chamber, plunger one end offsets with the eccentric wheel, the plunger other end is equipped with reset spring, the plunger outside cover is equipped with the sealing washer.
The utility model discloses explain further, rotate through the bearing between the transmission shaft and the pump body and be connected, transmission shaft one end is equipped with the motor.
The utility model discloses explain further, plunger and pump body sliding connection, the cavity that holds the eccentric wheel is seted up to pump body inboard.
The utility model discloses explain further, pump body one side is equipped with the plug screw, the plug screw runs through into in the cavity.
The utility model discloses explain further, the pump chamber is equipped with two sets ofly, first liquid valve and first feed liquor valve communicate with each other with pump body one end pump chamber, the second is gone out liquid valve and second feed liquor valve and is communicated with each other with pump body other end pump chamber.
The utility model discloses explain further, first play liquid valve, first feed liquor valve, second go out liquid valve and second feed liquor valve are the check valve.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
the utility model discloses, through being provided with the eccentric wheel, promote the both sides plunger, cooperation reset spring realizes plunger reciprocating motion, realizes that first liquid valve and second go out liquid valve and go out liquid in turn, improves plunger pump liquid stability and reliability, is equipped with the plug screw simultaneously, is convenient for clear up the hydrops in the eccentric wheel cavity, ensures eccentric wheel job stabilization.
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. In the drawings:
fig. 1 is a schematic diagram of the overall three-dimensional structure of the present invention;
fig. 2 is a schematic top view of the present invention;
in the figure: 1. a pump body; 11. an eccentric wheel; 12. a drive shaft; 13. a plunger; 14. a return spring; 15. a pump chamber; 2. a first liquid outlet valve; 3. a first liquid inlet valve; 4. a second liquid inlet valve; 5. a second liquid outlet valve; 6. and (4) a screw plug.
Detailed Description
The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a double-end plunger pump, including the pump body 1, 1 one end both sides of the pump body are equipped with first liquid valve 2 and first feed liquor valve 3 respectively, 1 other end both sides of the pump body are equipped with the second respectively and go out liquid valve 5 and second feed liquor valve 4, 1 middle part of the pump body runs through there is transmission shaft 12, 12 one end of transmission shaft is fixed with eccentric wheel 11, pump chamber 15 has been seted up to 1 both ends of the pump body is inside, be equipped with plunger 13 in the pump chamber 15, 13 one end of plunger offsets with eccentric wheel 11, the 13 other end of plunger is equipped with reset spring 14, 13 outside covers of plunger are equipped with the sealing washer.
The transmission shaft 12 is rotatably connected with the pump body 1 through a bearing, one end of the transmission shaft 12 is provided with a motor, and the motor drives the transmission shaft 12 to rotate so as to realize the rotation of the eccentric wheel 11.
The pump chambers 15 are provided with two groups, the first liquid outlet valve 2 and the first liquid inlet valve 3 are communicated with the pump chamber 15 at one end of the pump body 1, the second liquid outlet valve 5 and the second liquid inlet valve 4 are communicated with the pump chamber 15 at the other end of the pump body 1, and the first liquid outlet valve 2, the first liquid inlet valve 3, the second liquid outlet valve 5 and the second liquid inlet valve 4 are all one-way valves, so that the plunger 13 is matched for oil liquid pumping.
The working principle is as follows:
oil liquid enters the pump cavity 15 through the first liquid inlet valve 3 and the second liquid inlet valve 4, the eccentric wheel 11 drives the plunger 13 to slide, oil liquid is extruded, the oil liquid is pumped out of the plunger pump through the first liquid outlet valve 2 and the second liquid outlet valve 5, stable pumping of the oil liquid is achieved, and the working reliability of equipment is improved.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some technical features may be equivalently replaced without departing from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A double-end plunger pump, includes pump body (1), its characterized in that: the utility model discloses a pump body, including pump body (1), pump body (1) one end both sides are equipped with first liquid valve (2) and first feed liquor valve (3) respectively, pump body (1) other end both sides are equipped with the second respectively and go out liquid valve (5) and second feed liquor valve (4), pump body (1) middle part runs through has transmission shaft (12), transmission shaft (12) one end is fixed with eccentric wheel (11), pump chamber (15) have been seted up to pump body (1) both ends inside, be equipped with plunger (13) in pump chamber (15), plunger (13) one end offsets with eccentric wheel (11), plunger (13) other end is equipped with reset spring (14), plunger (13) outside cover is equipped with the sealing washer.
2. A double-ended plunger pump according to claim 1, wherein: the transmission shaft (12) is rotatably connected with the pump body (1) through a bearing, and one end of the transmission shaft (12) is provided with a motor.
3. A double-ended plunger pump according to claim 1, wherein: plunger (13) and pump body (1) sliding connection, the cavity that holds eccentric wheel (11) is seted up to pump body (1) inboard.
4. A double-ended plunger pump according to claim 3, wherein: and a screw plug (6) is arranged on one side of the pump body (1), and the screw plug (6) penetrates into the cavity.
5. A double-ended plunger pump according to claim 1, wherein: pump chamber (15) are equipped with two sets ofly, first play liquid valve (2) and first feed liquor valve (3) communicate with each other with pump body (1) one end pump chamber (15), second goes out liquid valve (5) and second feed liquor valve (4) and communicates with each other with pump body (1) other end pump chamber (15).
6. A double-ended plunger pump according to claim 5, wherein: the first liquid outlet valve (2), the first liquid inlet valve (3), the second liquid outlet valve (5) and the second liquid inlet valve (4) are all one-way valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222740727.6U CN218467759U (en) | 2022-10-18 | 2022-10-18 | Double-end plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222740727.6U CN218467759U (en) | 2022-10-18 | 2022-10-18 | Double-end plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218467759U true CN218467759U (en) | 2023-02-10 |
Family
ID=85145446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222740727.6U Active CN218467759U (en) | 2022-10-18 | 2022-10-18 | Double-end plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218467759U (en) |
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2022
- 2022-10-18 CN CN202222740727.6U patent/CN218467759U/en active Active
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