CN211525010U - Double-cavity plunger pump - Google Patents
Double-cavity plunger pump Download PDFInfo
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- CN211525010U CN211525010U CN201922017829.3U CN201922017829U CN211525010U CN 211525010 U CN211525010 U CN 211525010U CN 201922017829 U CN201922017829 U CN 201922017829U CN 211525010 U CN211525010 U CN 211525010U
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- plunger pump
- cavity
- fixedly connected
- plunger
- plate
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Abstract
The utility model relates to a plunger pump technical field, especially a two-chamber plunger pump, including the plunger pump casing, the top fixedly connected with fixed plate of plunger pump casing, the screw hole has all been seted up with the inside of plunger pump casing to the fixed plate, the inside threaded connection of screw hole has the fixed screw, fixed plate top fixedly connected with connecting plate, the inside of connecting plate begins to have the connecting hole, the top fixedly connected with stop sleeve of fixed plate. The utility model has the advantages that: the pressing block is in contact with the pressing plate and pushes the pressing plate to move downwards when the power plunger moves downwards, so that the pressure bearing spring contracts, and then when the power plunger moves upwards, the pressure bearing spring in a contraction state begins to expand, and the expansion force of the pressure bearing spring is conducted to the pressing plate, so that the pressing block is pushed, and the working pressure of the device is effectively enhanced.
Description
Technical Field
The utility model relates to a plunger pump technical field, especially a two-chamber plunger pump.
Background
The plunger pump depends on the reciprocating motion of the plunger in the cylinder body to change the volume of the sealed working cavity to realize oil absorption and oil pressing, has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, is widely applied to occasions where high pressure, large flow and flow need to be regulated, such as hydraulic machines, engineering machinery and ships, generally, a motor drives a crank connecting rod mechanism to drive the plunger to reciprocate, one end of the plunger extends into the sealed working cavity, the volume of the sealed working cavity is changed to realize liquid absorption and pressure through the reciprocating motion of the plunger, and belongs to a displacement pump and a reciprocating pump, the plunger pump reciprocates in the plunger cylinder body through the reciprocating motion of the plunger to cause the pressure difference generated by the change of the sealed volume in the plunger cylinder body to work a fluid medium, and the flow of the plunger pump can be controlled by changing the working stroke of the plunger, the plunger pump is an important working part in hydraulic and pneumatic transmission, and is divided into a radial plunger pump and an axial plunger pump, wherein the plunger pump is divided into two representative structural forms of the axial plunger pump and the radial plunger pump; as the radial plunger pump belongs to a novel high-efficiency pump with high technical content of a double-cavity plunger pump, the radial plunger pump inevitably becomes an important component of the application field of the plunger pump along with the continuous acceleration of localization; in detail, referring to the encyclopedia of radial plunger pumps, the following is only explained as an example of an axial plunger pump, which works by using the volume change generated by the reciprocating motion of a plunger parallel to a transmission shaft in a plunger hole, and the current plunger pump has the following defects in the use process:
the problem that the working pressure is lower can appear in the use of current plunger pump, and the result of use is not good enough, therefore needs to improve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a two-chamber plunger pump, effectively solved prior art not enough.
The purpose of the utility model is realized through the following technical scheme: a double-cavity plunger pump comprises a plunger pump shell, wherein the top of the plunger pump shell is fixedly connected with a fixing plate, screw holes are formed in the fixing plate and the inside of the plunger pump shell, fixing screws are in threaded connection with the inside of the screw holes, the top of the fixing plate is fixedly connected with a connecting plate, a connecting hole is formed in the inside of the connecting plate, and the top of the fixing plate is fixedly connected with a limiting sleeve;
the plunger pump comprises a plunger pump shell, and is characterized in that a first cavity and a second cavity are fixedly connected inside the plunger pump shell, a power plunger is arranged inside the first cavity, one end, far away from the first cavity, of the power plunger is fixedly connected with a push rod, the outer surface of the power plunger is fixedly connected with a guide sleeve, a reset spring is arranged inside the first cavity, a stainless steel needle valve is fixedly connected to the bottom of the power plunger, a pressing block is fixedly connected to the outer surface of the stainless steel needle valve, the bottom of the pressing block is fixedly connected with a pressing plate, and a cushion layer is fixedly connected to one side, adjacent to the stainless steel needle valve, of;
the bottom fixedly connected with bearing plate of first cavity inner wall, the bottom fixedly connected with flexible loop bar of bearing plate, the one end and the first cavity fixed connection that the bearing plate was kept away from to flexible loop bar, the surface of flexible loop bar is provided with the pressure-bearing spring.
Optionally, the fixed plate pass through set screw fixed connection in the top of plunger pump casing, just the fixed plate all is provided with set screw with the four corners department at plunger pump casing top.
Optionally, the connecting plate is fixedly connected to one end of the top of the fixing plate, and the connecting hole is a non-threaded hole.
Optionally, the first cavity and the second cavity are symmetrical at the center of the plunger pump housing, and the plunger cavity is arranged inside the second cavity of the first cavity.
Optionally, a through hole matched with the stainless steel needle valve is formed in the pressing plate, the cushion layer is fixedly connected to the inner surface of the through hole, and the cushion layer is made of rubber.
Optionally, the pressure-bearing plate is fixed by a telescopic loop bar arranged at the bottom of the pressure-bearing plate to be connected to the inside of the first cavity.
Optionally, one side of each of the two telescopic sleeve rods adjacent to each other is provided with a plunger sleeve.
Optionally, the interior of the second cavity is the same as the interior of the first cavity.
The utility model has the advantages of it is following:
1. this two-chamber plunger pump uses through the cooperation that sets up briquetting, clamp plate, bearing plate, flexible loop bar and pressure-bearing spring, makes the power plunger in downstream, and the briquetting contacts the clamp plate and promotes the clamp plate downstream, causes the contraction of pressure-bearing spring, and then when power plunger upward movement again, the pressure-bearing spring that is the contraction state begins to expand to its expansion force conduction gives the clamp plate, causes it to promote the briquetting, thereby the effectual operating pressure who strengthens the device.
2. This two-chamber plunger pump uses through reset spring and pressure-bearing spring's cooperation, two spring contractions when making power plunger downstream fixed, and when power plunger upstream moved, two springs all began to expand and provide power for power plunger upstream, and the setting of two springs has more effectually strengthened the device's operating pressure, the lower problem of the device operating pressure in the past has effectually been improved to the effectual work efficiency who ensures the device.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic view of the internal structure of the plunger pump housing of the present invention;
fig. 4 is an enlarged schematic view of the structure at a in fig. 3 according to the present invention;
fig. 5 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention;
fig. 6 is a schematic view of the internal structure of the telescopic rod 18 of the present invention.
In the figure: 1-plunger pump shell, 2-fixing plate, 3-fixing screw, 4-connecting plate, 5-connecting hole, 6-limiting sleeve, 7-first cavity, 8-second cavity, 9-power plunger, 10-push rod, 11-guide sleeve, 12-reset spring, 13-stainless steel needle valve, 14-pressing block, 15-pressing plate, 16-cushion layer, 17-bearing plate, 18-telescopic sleeve rod, 19-bearing spring and 20-plunger sleeve.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1 to 6, a dual-cavity plunger pump comprises a plunger pump shell 1, wherein the top of the plunger pump shell 1 is fixedly connected with a fixing plate 2, screw holes are respectively formed in the fixing plate 2 and the plunger pump shell 1, the screw holes are internally and threadedly connected with fixing screws 3, the top of the fixing plate 2 is fixedly connected with a connecting plate 4, a connecting hole 5 is formed in the connecting plate 4, and the top of the fixing plate 2 is fixedly connected with a limiting sleeve 6;
a first cavity 7 and a second cavity 8 are fixedly connected inside the plunger pump shell 1, a power plunger 9 is arranged inside the first cavity 7, a push rod 10 is fixedly connected to one end, far away from the first cavity 7, of the power plunger 9, a guide sleeve 11 is fixedly connected to the outer surface of the power plunger 9, a return spring 12 is arranged inside the first cavity 7, a stainless steel needle valve 13 is fixedly connected to the bottom of the power plunger 9, a pressing block 14 is fixedly connected to the outer surface of the stainless steel needle valve 13, a pressing plate 15 is fixedly connected to the bottom of the pressing block 14, and a cushion layer 16 is fixedly connected to one side, adjacent to the stainless steel needle valve 13, of the pressing plate 15;
the bottom fixedly connected with bearing plate 17 of first cavity 7 inner wall, the bottom fixedly connected with flexible loop bar 18 of bearing plate 17, the one end and the first cavity 7 fixed connection of keeping away from bearing plate 17 of flexible loop bar 18, the surface of flexible loop bar 18 is provided with pressure-bearing spring 19.
As an optional technical solution of the utility model:
As an optional technical solution of the utility model:
the connecting plate 4 is fixedly connected to one end of the top of the fixing plate 2, and the connecting hole 5 is a non-threaded hole.
As an optional technical solution of the utility model:
the first cavity 7 and the second cavity 8 are symmetrical at the center of the plunger pump housing 1, and the first cavity 7 is provided with a plunger cavity inside the second cavity 8.
As an optional technical solution of the utility model:
the inside of clamp plate 15 is seted up the through-hole with stainless steel needle valve 13 looks adaptation, and bed course 16 fixed connection is in the internal surface of through-hole, and the material of bed course 16 is rubber.
As an optional technical solution of the utility model:
the pressure plate 17 is fixedly connected to the inside of the first chamber 7 by means of a telescopic rod 18 provided at the bottom thereof.
As an optional technical solution of the utility model:
one side that two flexible loop bars 18 are adjacent is provided with plunger bushing 20, through setting up plunger bushing 20, can reduce the vibrations that produce effectively in the working process, reduces the unstable problem of operation, and can reduce the friction of power plunger 9 to can its increase of service life of effectual extension.
As an optional technical solution of the utility model:
the inside of second cavity 8 is the same with the inside of first cavity 7, through setting up two working chamber bodies of first cavity 7 and second cavity 8, thereby makes the device can improve operating pressure through the synchronous work of two cavitys, and the effectual loss that brings because operating pressure is low that has reduced.
The working process of the utility model is as follows: when a user uses the device, the pressing block 14, the pressing plate 15, the bearing plate 17, the telescopic loop bar 18 and the bearing spring 19 are matched for use, when the power plunger 9 moves downwards, the pressing block 14 contacts the pressing plate 15 and pushes the pressing plate 15 to move downwards, so that the bearing spring 19 contracts, then when the power plunger 9 moves upwards, the bearing spring 19 in a contraction state begins to expand, the expansion force of the bearing spring is transmitted to the pressing plate 15, so that the pressing block 14 is pushed, the working pressure of the device is effectively enhanced, when the power plunger 9 moves downwards and is fixed, the two springs contract, when the power plunger 9 moves upwards, the two springs both begin to expand and provide force for the power plunger 9 to move upwards, the two springs are arranged, so that the working pressure of the device is more effectively enhanced, the problem that the device operating pressure was lower in the past has effectually been improved to the effectual operating principle that has ensured this two-chamber plunger pump of the work efficiency of the device is the same with the operating principle of a two-chamber plunger pump disclosed in chinese utility model patent application publication specification CN 205578198U.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A double-cavity plunger pump is characterized in that: the plunger pump comprises a plunger pump shell (1), wherein the top of the plunger pump shell (1) is fixedly connected with a fixing plate (2), screw holes are formed in the fixing plate (2) and the plunger pump shell (1), fixing screws (3) are connected to the inner threads of the screw holes, a connecting plate (4) is fixedly connected to the top of the fixing plate (2), a connecting hole (5) is formed in the connecting plate (4), and a limiting sleeve (6) is fixedly connected to the top of the fixing plate (2);
the plunger pump comprises a plunger pump shell (1), wherein a first cavity (7) and a second cavity (8) are fixedly connected to the inside of the plunger pump shell (1), a power plunger (9) is arranged inside the first cavity (7), one end, far away from the first cavity (7), of the power plunger (9) is fixedly connected with a push rod (10), the outer surface of the power plunger (9) is fixedly connected with a guide sleeve (11), a reset spring (12) is arranged inside the first cavity (7), the bottom of the power plunger (9) is fixedly connected with a stainless steel needle valve (13), the outer surface of the stainless steel needle valve (13) is fixedly connected with a pressing block (14), the bottom of the pressing block (14) is fixedly connected with a pressing plate (15), and a cushion layer (16) is fixedly connected to one side, adjacent to the stainless steel needle valve (13), of the pressing;
the bottom fixedly connected with bearing plate (17) of first cavity (7) inner wall, the bottom fixedly connected with flexible loop bar (18) of bearing plate (17), the one end and first cavity (7) fixed connection of bearing plate (17) are kept away from in flexible loop bar (18), the surface of flexible loop bar (18) is provided with pressure-bearing spring (19).
2. The dual chamber plunger pump of claim 1, wherein: fixed plate (2) pass through set screw (3) fixed connection in the top of plunger pump casing (1), just fixed plate (2) all are provided with set screw (3) with the four corners department at plunger pump casing (1) top.
3. The dual chamber plunger pump of claim 1, wherein: the connecting plate (4) is fixedly connected to one end of the top of the fixing plate (2), and the connecting hole (5) is a non-threaded hole.
4. The dual chamber plunger pump of claim 1, wherein: the first cavity (7) and the second cavity (8) are symmetrical in the center of the plunger pump shell (1), and plunger cavities are arranged in the first cavity (7) and the second cavity (8).
5. The dual chamber plunger pump of claim 1, wherein: the pressure plate (15) is internally provided with a through hole matched with the stainless steel needle valve (13), the cushion layer (16) is fixedly connected to the inner surface of the through hole, and the cushion layer (16) is made of rubber.
6. The dual chamber plunger pump of claim 1, wherein: the pressure bearing plate (17) is fixedly connected to the inside of the first cavity (7) through a telescopic sleeve rod (18) arranged at the bottom of the pressure bearing plate.
7. The dual chamber plunger pump of claim 1, wherein: one side of the two telescopic sleeve rods (18) adjacent to each other is provided with a plunger sleeve (20).
8. The dual chamber plunger pump of claim 1, wherein: the interior of the second cavity (8) is the same as the interior of the first cavity (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922017829.3U CN211525010U (en) | 2019-11-21 | 2019-11-21 | Double-cavity plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922017829.3U CN211525010U (en) | 2019-11-21 | 2019-11-21 | Double-cavity plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211525010U true CN211525010U (en) | 2020-09-18 |
Family
ID=72463446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922017829.3U Active CN211525010U (en) | 2019-11-21 | 2019-11-21 | Double-cavity plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211525010U (en) |
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2019
- 2019-11-21 CN CN201922017829.3U patent/CN211525010U/en active Active
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