CN211230804U - Self-cooling plunger pump - Google Patents
Self-cooling plunger pump Download PDFInfo
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- CN211230804U CN211230804U CN201922231506.4U CN201922231506U CN211230804U CN 211230804 U CN211230804 U CN 211230804U CN 201922231506 U CN201922231506 U CN 201922231506U CN 211230804 U CN211230804 U CN 211230804U
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- plunger
- plunger pump
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Abstract
The utility model discloses a self-cooling plunger pump, which comprises a plunger frame, a cylinder body and a cover plate, wherein the cover plate is respectively matched with the cylinder body and the plunger frame in a sealing way, the cylinder body comprises an inner ring body and an outer ring body which are integrally formed, the outer ring body extends along the end part of the inner ring body and is arranged around the end part of the inner ring body, the inner wall of the outer ring body and the outer wall of the inner ring body form a cooling cavity, the outer ring body is provided with a water inlet port, the cooling cavity is formed by the inner ring body and the outer ring body which are, the cylinder body is convenient to process and can be molded at one time, the production period is shortened, the outer ring body is arranged along the end wall of the inner ring body in an extending way, the assembly steps and additional connecting pieces are reduced, the structure is more compact, the leakage between the cooling cavity and the transmission cavity in the cylinder body can be avoided, the plunger pump cools the surface of the cylinder body when water enters the plunger pump, the utilization rate of cooling water is increased, the structure is simple, the use is convenient, and the service life of the plunger pump is prolonged.
Description
Technical Field
The utility model relates to a high pressure cleaner field, concretely relates to plunger pump of self-cooling.
Background
The plunger pump is an important device of the high-pressure cleaning machine, and the plunger pump can change the volume of the working cavity to realize liquid suction and liquid pressing by means of the reciprocating motion of the plunger in the cylinder body.
When the high-pressure cleaning machine works, friction exists on moving surfaces between a plunger and a cylinder body and between the plunger and a swash plate in the plunger pump, energy of friction loss is converted into heat, the cylinder body is continuously heated, the surface temperatures of different friction surfaces are different, thermal deformation of different degrees is generated, high-pressure oil leaks into a large amount of hydraulic energy loss in a low-pressure cavity through a gap and is also converted into heat energy, the service life and the working reliability of the plunger pump are seriously influenced, and therefore the plunger pump needs to be cooled.
One cooling measure in the prior art is to provide a cooling tank on the cylinder body, and introduce the fluid in the cylinder body between the pump housing and the cylinder body to achieve the purpose of cooling the cylinder body, but increase the leakage amount of the plunger clearance, and the leakage of the high-pressure fluid can also increase the heat, thereby reducing the working efficiency of the pump.
SUMMERY OF THE UTILITY MODEL
To the deficiency and the defect of prior art, provide a plunger pump of self-cooling, when guaranteeing the cooling effect, can avoid leaking.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a plunger pump of self-cooling, includes plunger frame, cylinder body and base, and it still includes the apron with cylinder body and the sealed complex of plunger frame respectively, the cylinder body includes integrated into one piece's inner ring body and outer ring body, outer ring body extends and sets up around it along the tip of inner ring body, the inner wall of outer ring body and the outer wall of inner ring body constitute the cooling chamber, be equipped with water inlet port on the outer ring body, the cooling chamber communicates with the exhalant canal of plunger frame.
The utility model has the advantages that: the cooling chamber comprises integrated into one piece's inner ring body and outer ring body, but make the convenient just one shot forming of processing of cylinder body, production cycle has been shortened, the outer ring body extends the setting along the end wall of inner ring body, assembly step and extra connecting piece have been reduced, the structure is compacter, and can avoid the leakage between cooling chamber and the internal transmission chamber of cylinder, and simultaneously, cooling water at first lets in to the cooling chamber from the port of intaking, the play water port through the plunger frame is followed high-pressure rivers blowout after being full of the cooling chamber, cool off the cylinder body surface when the plunger pump intakes, the utilization ratio of cooling water has been increased, moreover, the steam generator is simple in structure, high durability and convenient use, can be quick discharge the produced heat of plunger motion, can also cool down the processing to the fluid in the plunger pump simultaneously, increase the life of plunger pump.
Further, the periphery of plunger frame and plunger frame is equipped with the connecting portion that are used for supplying the connecting piece to pass, be equipped with the through-hole that corresponds the setting with connecting portion on the apron, the integral type is equipped with a plurality of spliced pole on the outer wall of outer ring body, the connecting piece pass connecting portion, through-hole and spliced pole and with base fixed connection, through above improvement, the connection setting of plunger frame, apron and cylinder body is in same position, and through the vertical connection of a connecting piece in every hookup location to relative space between the terminal surface of every part has been reduced, and the spliced pole setting has increased the compactness of structure in the time of guaranteeing the leakproofness of cooling chamber and transmission chamber, cylinder body exterior space.
Further, the upper end of the connecting column extends through the cover plate and is inserted into the connecting part, and through the improvement, the upper end of the connecting column is convenient to assemble and position, and the sealing performance between the plunger frame and the cooling cavity is improved.
Further, the concave first annular that is equipped with in the up end of apron, first annular extends and communicates along through-hole tip all around, be equipped with sealed filler in the first annular, the tip of plunger frame compresses tightly on first annular, through above improvement for the encirclement that first annular can be complete has guaranteed the leakproofness between plunger frame and the apron at through-hole week portion, effectively avoids the high-pressure liquid in the transmission chamber to low pressure region leakage.
Further, the lower end of the cover plate is provided with a second annular groove in a concave mode, a first sealing ring is embedded in the second annular groove, the end portion of the outer ring body is tightly pressed on the second annular groove, and through the improvement, the first sealing ring is embedded in the second annular groove to form a sealing structure between the outer ring body and the cover plate, and the sealing performance of the cooling cavity and the external space is guaranteed.
Further, the lower extreme face downwardly extending of apron is equipped with the holding ring, the inner wall of holding ring and interior rampart closely cooperates, and through above improvement, the setting of holding ring plays the positioning action to the connection of apron and plunger frame, and simultaneously, the holding ring cooperates with the inner wall of interior rampart, and the vertically cover of holding ring is on the contact plane of apron and cylinder body promptly to constitute vertically confined space, improved the leakproofness.
Further, the concave third annular that is equipped with in the up end of interior ring body, the embedded second sealing washer that is equipped with of third annular, the apron compresses tightly on the third annular, and through above improvement, second sealing washer embedding third annular constitutes the seal structure between interior ring body and the apron, guarantees the leakproofness between transmission chamber and the cooling chamber.
Furthermore, the cover plate is provided with a water drainage port along the axial direction of the cooling cavity, and the water drainage port is radially inserted into a water outlet channel of the plunger frame.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a partial cross-sectional view of the present invention;
fig. 3 is an exploded view of the cylinder body, cover plate, base and plunger rack of the present invention;
in the figure: 1. a plunger frame; 1.1, a water outlet channel; 1.2, a water outlet port; 1.3, a water outlet pipe orifice; 2. a water inlet port; 3. a cover plate; 3.1, through holes; 3.2, a first ring groove; 3.3, a second ring groove; 3.4, sealing the filler; 3.5, a first sealing ring; 3.6, a positioning ring; 3.7, a drainage port; 4. a cylinder body; 4.1, inner ring body; 4.2, an outer ring body; 4.3, a transmission cavity; 4.4, a cooling cavity; 4.5, connecting columns; 4.6, a third ring groove; 4.7, a second sealing ring; 5. a connecting portion; 6. a water inlet pipe orifice; 7. a base; 8. a drive motor;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.
It will be understood that, although the terms upper, middle, lower, outer, inner, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding, and are not used to define any direction or order of limitation.
As shown in fig. 1-3, a self-cooling plunger pump comprises a base 7, a plunger rack 1, a cover plate 3 and a cylinder 4 which are vertically connected in sequence, wherein a transmission assembly is arranged in a cavity formed by the plunger rack 1, the cover plate 3 and the cylinder 4, a driving motor 8 is arranged at the lower part of the base 7, and an output end of the driving motor 8 penetrates through the cylinder 4 and drives the transmission assembly to work;
a water outlet channel 1.1 penetrates through the plunger frame 1, a water outlet port 1.2 extends out of the upper edge of the plunger frame 1 along the water outlet channel 1.1, a cover plate 3 is respectively in sealing fit with the upper end of the cylinder body 4 and the lower end of the plunger frame 1, the lower end of the cylinder body 4 is in sealing fit with the outer wall of the base 7, a bearing seat in sealing fit with the inner wall of the base 7 is arranged in the transmission cavity 4.3, an oil seal is arranged in the bearing seat, and the cylinder body 4 is integrally extended to form;
the upper end of the cylinder body 4 is open and specifically comprises an inner ring 4.1 and an outer ring 4.2 which are coaxially arranged, the inner ring 4.1 and the outer ring 4.2 are integrally formed by injection molding, the outer ring 4.2 extends along the end wall of the inner ring 4.1 and is arranged around the inner ring 4.1, the inner wall of the inner ring 4.1 and the plunger frame 1 form a transmission cavity 4.3, the inner wall of the outer ring 4.2 and the outer wall of the inner ring 4.1 are respectively in sealing fit with the cover plate 3 to form a cooling cavity 4.4 which surrounds the periphery of the transmission cavity 4.3, the cooling cavity 4.4 is in one-way communication with the water outlet channel 1.1, the outer ring 4.2 is provided with a water inlet port 2 which is communicated with the cooling cavity 4.4, the cover plate 3 is provided with a water drain hole in the axial direction corresponding to the cooling cavity 4.4, the water drain hole is provided with a water drain port 3.7 in an extending manner, and the water drain port 3.7 is radially inserted into the plunger frame 1 and.
Specifically, the water outlet port 1.2 is connected with a water outlet pipe orifice 1.3, and the water outlet pipe orifice 1.3 is connected with the water outlet port 1.2 through a U-shaped pin; the water inlet port 2 is connected with a water inlet pipe orifice 6, and the water inlet pipe orifice 6 is connected with the water inlet port 2 through a U-shaped pin.
Specifically, plunger frame 1, through the vertical connection of connecting piece between apron 3 and the cylinder body 4, the periphery of plunger frame 1 all is equipped with four auriculate connecting portion 5 that are used for supplying the connecting piece to pass, be equipped with the through-hole 3.1 that corresponds the setting with connecting portion 5 on the apron 3, the integral type is equipped with spliced pole 4.5 that supplies the connecting piece to pass on the inner ring 4.1 outer wall, apron 3 and the connecting portion 5 of inserting plunger frame 1 are passed to spliced pole 4.5's upper end, the tip of connecting piece passes connecting portion 5, through-hole 3.1 and spliced pole 4.5 and with base 7 fixed connection, wherein, the screwed screw rod is established to the connecting piece specifically referring to the tip, be equipped with on the base 7 with this screw rod.
Specifically, the upper end face of the cover plate 3 is provided with a first annular groove 3.2 in a concave mode, a sealing filler 3.4 is arranged in the first annular groove 3.2, the first annular groove 3.2 is arranged close to the inner wall of the cover plate 3, the first annular groove 3.2 extends along the peripheral end of the through hole 3.1 and is communicated with the through hole, the first annular groove is completely surrounded on the connecting portion 5 of the cover plate 3 and the plunger frame 1, and the lower end portion of the plunger frame 1 is tightly pressed on the first annular groove 3.2 to form sealing between the plunger frame 1 and the cover plate 3.
Specifically, the lower end of the cover plate 3 is concavely provided with a second annular groove 3.3, the end face of the second annular groove 3.3, corresponding to the outer ring body 4.2, is arranged at a position close to the outer wall of the cover plate 3, a first sealing ring 3.5 is embedded in the second annular groove 3.3, and the end face of the outer ring body 4.2 is tightly pressed on the second annular groove 3.3;
the lower end face of the cover plate 3 is provided with a positioning ring 3.6 extending downwards close to the inner wall of the second ring groove 3.3, the positioning ring 3.6 is tightly matched with the inner wall of the outer ring body 4.2, the positioning ring 3.6 is tightly pressed on the inner wall of the outer ring body 4.2, the inner wall of the outer ring body 4.2 and the upper end face form a vertical sealing area, the sealing performance between the outer ring body 4.2 and the cover plate 3 is improved, cooling water is not easy to leak to the outside of the cylinder body 4 from the cooling cavity 4.4, and meanwhile, the positioning ring 3.6 has the function of installing and positioning on the cover plate 3;
the concave third annular 4.6 that is equipped with in the up end of interior ring body 4.1, the inner wall setting that is close to apron 3 of third annular 4.6, the embedded second sealing washer 4.7 that is equipped with of third annular 4.6, 3 terminal surfaces of apron compress tightly on third annular 4.6, like this, 4 bottom surfaces of cylinder body and base 7, apron 3 and cylinder body 4 constitute the seal structure of transmission chamber 4.3, cooling chamber 4.4 and 4 exterior spaces of cylinder body, the leakproofness and the reliability of plunger pump during operation have been promoted.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. A self-cooling plunger pump, includes plunger frame (1), cylinder body (4) and base (7), its characterized in that: the plunger piston structure is characterized by further comprising a cover plate (3) which is in sealing fit with the cylinder body (4) and the plunger piston frame (1) respectively, wherein the cylinder body (4) comprises an inner ring body (4.1) and an outer ring body (4.2) which are integrally formed, the outer ring body (4.2) extends along the end portion of the inner ring body (4.1) and is arranged around the end portion of the inner ring body, the inner wall of the outer ring body (4.2) and the outer wall of the inner ring body (4.1) form a cooling cavity (4.4), a water inlet port (2) is formed in the outer ring body (4.2), and the cooling cavity (4.4) is communicated with a water outlet channel (2.1) of the plunger piston frame (1.
2. A self-cooling plunger pump as claimed in claim 1, wherein: the cover plate (3) is provided with a water drainage port (3.7) corresponding to the cooling cavity (4.4) along the axial direction, and the water drainage port (3.7) is inserted into the water outlet channel (2.1) of the plunger frame (1) along the radial direction.
3. A self-cooling plunger pump as claimed in claim 1, wherein: the lower end face of the cover plate (3) extends downwards to form a positioning ring (3.6), and the positioning ring (3.6) is tightly matched with the inner wall of the inner ring body (4.1).
4. A self-cooling plunger pump as claimed in claim 1, wherein: the periphery of plunger frame (1) is equipped with connecting portion (5) that are used for supplying the connecting piece to pass, be equipped with on apron (3) and correspond through-hole (3.1) that set up with connecting portion (5), the integral type is equipped with a plurality of spliced pole (4.5) on inner ring body (4.1) outer wall, the connecting piece passes connecting portion (5), through-hole (3.1) and spliced pole (4.5) and fixed locking.
5. A self-cooling plunger pump as claimed in claim 4, characterised in that: the upper end of the connecting column (4.5) extends through the cover plate (3) and is inserted into the connecting part (5).
6. A self-cooling plunger pump as claimed in claim 1, wherein: apron (3) up end indent is equipped with first annular (3.2), first annular (3.2) extend and communicate along through-hole (3.1) week end, be equipped with sealed filler (3.4) in first annular (3.2), the tip of plunger frame (1) compresses tightly on first annular (3.2).
7. A self-cooling plunger pump as claimed in claim 1, wherein: the lower end of the cover plate (3) is provided with a second annular groove (3.3) in a concave mode, a first sealing ring (3.5) is embedded in the second annular groove (3.3), and the end portion of the outer ring body (4.2) is tightly pressed on the second annular groove (3.3).
8. A self-cooling plunger pump as claimed in claim 1, wherein: the lower extreme facial features of interior ring (4.1) is concave to be equipped with third annular (4.6), embedded second sealing washer (4.7) that is equipped with of third annular (4.6), base (7) terminal surface compresses tightly on third annular (4.6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922231506.4U CN211230804U (en) | 2019-12-12 | 2019-12-12 | Self-cooling plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922231506.4U CN211230804U (en) | 2019-12-12 | 2019-12-12 | Self-cooling plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211230804U true CN211230804U (en) | 2020-08-11 |
Family
ID=71933560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922231506.4U Active CN211230804U (en) | 2019-12-12 | 2019-12-12 | Self-cooling plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211230804U (en) |
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2019
- 2019-12-12 CN CN201922231506.4U patent/CN211230804U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230523 Address after: Building 1, No. 86 and 88 Weishan North Road, West District, Guanhaiwei Town, Cixi City, Ningbo City, Zhejiang Province, 315000 Patentee after: NINGBO WEISHI ELECTRICAL APPLIANCE TECHNOLOGY Co.,Ltd. Patentee after: Ningbo Cixi Import & Export Holding Co.,Ltd. Address before: 315191 4th Floor, Building 3, No. 86 and 88 Weishan North Road, West District, Guanhaiwei Town, Cixi City, Ningbo City, Zhejiang Province Patentee before: Ningbo Weishi Tool Technology Co.,Ltd. |