CN211144717U - Plunger pump for high-pressure cleaning machine - Google Patents
Plunger pump for high-pressure cleaning machine Download PDFInfo
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- CN211144717U CN211144717U CN201922257567.8U CN201922257567U CN211144717U CN 211144717 U CN211144717 U CN 211144717U CN 201922257567 U CN201922257567 U CN 201922257567U CN 211144717 U CN211144717 U CN 211144717U
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Abstract
The utility model discloses a plunger pump for high pressure cleaner, including plunger frame, the pump body, locate the transmission assembly in the pump body and locate support and the motor of pump body bottom, the pump body includes cylinder body and the base that the components of a whole that can function independently set up, plunger frame, cylinder body and base pass through the vertical connection of first connecting piece, base and support pass through second connecting piece fixed connection, and the plunger frame of components of a whole that can function independently, cylinder body and base pass through the vertical pressfitting locking of first connecting piece, and base and support pass through second connecting piece fixed connection, give cylinder body and base come from the vertical pressfitting power at connecting position, make the lateral component force that the cylinder body received act on the connecting position at first connecting piece and second connecting piece, thereby reduce the slope and distortion that the cylinder body was drawn on the base, and, when cylinder body or plunger frame produced wearing and tearing, only need remove first connecting piece, the cylinder body is replaced independently, and the installation and the disassembly operation are convenient.
Description
Technical Field
The utility model relates to a high pressure cleaner field, concretely relates to plunger pump for high pressure cleaner.
Background
In a high-pressure cleaning machine, a plunger pump is generally used for pressurizing water flow and then spraying the water flow out of a water outlet of a plunger rack, wherein a cylinder body is a core part of the plunger pump, the service life and the stability of the cylinder body are directly related to the quality of the plunger pump, when the plunger works, a swash plate can generate a reaction force to the plunger, the reaction force has a lateral component force along the lateral direction, the lateral component force is transmitted to the cylinder body through the plunger, the cylinder body generates certain distortion and deformation under the action of the lateral component force and is integrally inclined, so that the abrasion of the cylinder body and a transmission assembly is caused, the cylinder body and the swash plate in the prior art are usually integrally formed by aluminum alloy die casting and are not easy to disassemble, once the abrasion and the deformation occur, the parts are required to be integrally replaced, the cost.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the plunger pump for the high-pressure cleaning machine is provided, the deformation and abrasion of the transmission assembly and the cylinder body are reduced, the disassembly is convenient, and the production cost is reduced.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a plunger pump for high pressure cleaner, includes plunger frame, the pump body, locates the transmission assembly in the pump body and locates support and the motor of pump body bottom, the pump body is including cylinder body and the base that the components of a whole that can function independently set up, plunger frame, cylinder body and base pass through the vertical connection of first connecting piece, the base passes through second connecting piece fixed connection with the support.
The utility model has the advantages that: the plunger frame of components of a whole that can function independently, cylinder body and base are locked through the vertical pressfitting of first connecting piece, base and support pass through second connecting piece fixed connection, give cylinder body and base and come from the vertical pressfitting power at connection position, make the side direction component power that the cylinder body received act on the connection position at first connecting piece and second connecting piece place, thereby reduce the slope and the distortion that the cylinder body was drawn on the base, and, when cylinder body or plunger frame produced wearing and tearing, only need demolish first connecting piece, it can to change the cylinder body alone, easy to assemble and dismantlement operation.
Further, the one end that the base is close to the cylinder body is equipped with first journal stirrup, the one end that the base is close to the support is equipped with the second journal stirrup, first journal stirrup and first journal stirrup are the interval each other and vertical adjacent setting, first connecting piece pass plunger frame and cylinder body and with first journal stirrup fixed connection, the second connecting piece pass the second journal stirrup and with support fixed connection, through above improvement, set up the connection position of cylinder body, plunger frame and base in the periphery, guarantee the installation mutual independence of first connecting piece and second connecting piece, avoid producing the interference, make things convenient for the assembly operation.
Further, be equipped with first sealing washer between cylinder body and the base, first sealing washer inlays and locates the cylinder body terminal surface and offsets with the base, and through above improvement, first sealing washer compresses tightly on the base terminal surface through first connecting piece, guarantees the leakproofness between cylinder body and the base, and simultaneously, when the cylinder body produced the slope trend, the elastic deformation that first sealing washer can the adaptability has strengthened the reliability that cylinder body and base are connected.
Further, the periphery of plunger frame and cylinder body is equipped with the connection position that supplies first connecting piece to pass respectively, and is adjacent be equipped with the strengthening rib between the connection position, through above improvement, increased the structural strength of the connection position of plunger frame and cylinder body, increased the stability of cylinder body.
Furthermore, the transmission assembly comprises a gear shaft, a swash plate, a retaining ring and a plunger, wherein the gear shaft is driven by a motor, the gear shaft penetrates through the swash plate and a bearing and drives the swash plate and the bearing to rotate, an extending part is arranged in the center of the swash plate in an extending mode along an eccentric axis, the retaining ring is sleeved on the extending part and abuts against the inclined surface, and a ball head of the plunger is in contact with the retaining ring. Through the improvement, the retainer ring is used as a replaceable part to replace a sloping surface of the swash plate to be in contact with the plunger ball head, the retainer ring is a disc kit, the production is convenient, only the retainer ring needs to be replaced after abrasion is generated, the production cost is reduced, and the assembly precision between the swash plate and the bearing and between the swash plate and the gear shaft is not influenced.
Further, transmission assembly still includes bearing frame and the oil blanket that the components of a whole that can function independently set up, the bearing frame is pressed and is located on the base, the bearing frame bottom extends and is equipped with the seal receptacle of fuel feeding seal embedding, through above improvement, and the bearing frame provides the mounted position for bearing and oil blanket to the bearing frame components of a whole that can function independently sets up, avoids the cylinder body atress to lead to the local distortion of bearing frame, influences job stabilization nature.
Further, be equipped with the disc structure on the base, disc structure outer wall and cylinder body inner wall tight fit, disc structure inner wall and seal receptacle tight fit, through above improvement, disc structure and the cooperation of cylinder body inner wall play the effect of location and support cylinder body tip under the assembly of cylinder body, overall structure is compacter.
Furthermore, a second sealing ring is arranged between the sealing seat and the disc-shaped structure, and the second sealing ring is embedded on the outer wall of the sealing seat and is abutted against the disc-shaped structure. Through the improvement, the sealing performance of the base, the gear shaft and the bracket is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
in the figure: 1. a plunger frame; 2. a cylinder body; 3. a base; 3.1, a first lug; 3.2, a second lug; 3.3, a disk-shaped structure; 4. a transmission assembly; 4.1, a gear shaft; 4.2, a swash plate; 4.3, a check ring; 4.4, a plunger; 4.5, an extension part; 4.6, oil sealing; 4.7, a bearing; 4.8, bearing seats; 4.9, a sealing seat; 4.9.1, oil groove; 5. a support; 6. a first connecting member; 7. a second connecting member; 8. a first seal ring; 9. a connecting site; 9.1, a first connecting part; 9.2, a second connecting part; 10. a second seal ring;
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. 1-2, a plunger pump for a high pressure cleaner comprises a plunger frame 1, a pump body, a transmission assembly 4 arranged in the pump body, a support 5 arranged at the bottom of the pump body and a motor, wherein the pump body comprises a cylinder body 2 and a base 3 which are arranged separately, the plunger frame 1 and the cylinder body 2 are made of plastic and are respectively formed by injection molding, the plunger frame 1, the cylinder body 2 and the base 3 are vertically connected through a first connecting piece 6, the base 3 and the support 5 are fixedly connected through a second connecting piece 7, wherein the first connecting piece 6 and the second connecting piece 7 are specifically bolts, four columnar connecting parts 9 are arranged on the peripheries of the plunger frame 1 and the cylinder body 2, the connecting parts 9 comprise a first connecting part 9.1 arranged on the plunger frame 1 and a second connecting part 9.2 arranged on the pump body and corresponding to the first connecting part 9.1, the first connecting part 9.1 is provided with a countersunk hole for the head of the bolt to, be equipped with the through-hole that supplies the bolt to pass on the second connecting portion 9.2, the one end that base 3 is close to cylinder body 2 is equipped with first journal stirrup 3.1, the one end that base 3 is close to support 5 is equipped with second journal stirrup 3.2, first journal stirrup 3.1 and first journal stirrup 3.1 are each other spaced and vertical adjacent setting in the periphery of base 3, first connecting piece 6 passes connection site 9 and first journal stirrup 3.1, and stretch out the back from first journal stirrup 3.1 and pass through the fixed locking of nut, second connecting piece 7 passes second journal stirrup 3.2 and support 5 threaded connection.
Specifically, still be equipped with the strengthening rib on plunger frame 1 and the cylinder body 2, the setting that the strengthening rib borders on respectively is between adjacent first connecting portion 9.1 and adjacent second connecting portion 9.2, has increased the structural strength of the connecting portion 9 of plunger frame 1 and cylinder body 2, increases the stability of cylinder body 2.
Specifically, be equipped with first sealing washer 8 between cylinder body 2 and the base 3, the lower extreme of cylinder body 2 is equipped with the first annular that supplies the embedding of first sealing washer 8 towards the indent, at cylinder body 2, after locking through first connecting piece 6 between the pump body and the base 3, the elastic compressing tightly of first sealing washer 8 supports and leans on between first annular and the 3 terminal surfaces of base, guarantee the leakproofness between cylinder body 2 and the base 3, and simultaneously, when cylinder body 2 produced the slope trend, elastic deformation that first sealing washer 8 can the adaptability, the reliability that cylinder body 2 and base 3 are connected has been strengthened.
Specifically, the transmission assembly 4 includes a gear shaft 4.1 driven by a motor, a swash plate 4.2, a retainer ring 4.3 and a plunger 4.4, the gear shaft 4.1 penetrates through the swash plate 4.2 and a bearing 4.7 and drives the rotation of the swash plate 4.2, the center of the swash plate 4.2 is provided with a columnar extension portion 4.5 along the extension of an eccentric axis, the retainer ring 4.3 is sleeved on the extension portion 4.5 and abuts against an inclined surface, a ball head of the plunger 4.4 is in contact with the retainer ring 4.3, the retainer ring 4.3 is a plastic piece, the retainer ring 4.3 is used as a replaceable piece to replace the inclined surface of the swash plate 4.2 to be in contact with the ball head of the plunger 4.4, and the retainer ring 4.3 is a disc kit, the production is convenient, only the retainer ring 4.3 needs to be replaced after abrasion is generated, the production cost is reduced.
Specifically, be equipped with disc structure 3.3 on the base 3, disc structure 3.3 extends towards cylinder body 2 and base 3's cavity, and disc structure 3.3 outer wall and 2 inner walls of cylinder body tight fits play the effect of location and support 2 tip under the cylinder body to the assembly of cylinder body 2, and overall structure is compacter.
Specifically, still be equipped with oil blanket 4.6 in the cylinder body 2, bearing 4.7 and the bearing frame 4.8 that supplies the embedding of bearing 4.7, bearing frame 4.8 sets up and presses on base 3 with the cylinder body 2 components of a whole that can function independently, bearing frame 4.8 bottom extension is equipped with the seal receptacle 4.9 that supplies the embedding of oil blanket 4.6, seal receptacle 4.9 and bearing frame 4.8 intercommunication, the lower terminal surface of bearing frame 4.8 is established on arranging the terminal surface in the cavity of disc structure 3.3 with the pressure, seal receptacle 4.9 cooperatees with the inner wall of disc structure 3.3, bearing frame 4.8 provides the mounted position and all is located the cavity that cylinder body 2 and base 3 constitute for bearing 4.7 and oil blanket 4.6, avoid base 3 overheated to lead to bearing 4.7 to deviate from.
Specifically, an annular oil groove 4.9.1 is formed between the bearing surface of the bearing seat 4.8 corresponding to the bearing 4.7 and the end surface of the oil seal 4.6, so that oil can enter the bearing seat 4.8 through the bearing 4.7, the lubricating area of the bearing 4.7 is increased, and abrasion is reduced.
Specifically, a second sealing ring 10 is arranged between the sealing seat 4.9 and the disc-shaped structure 3.3, a second annular groove for embedding the second sealing ring 10 is formed in the outer wall of the sealing seat 4.9, the second sealing ring 10 is elastically compressed and abutted between the second annular groove and the inner wall of the disc-shaped structure 3.3, and the sealing performance of the base 3, the gear shaft 4.1 and the support 5 is improved.
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. The utility model provides a plunger pump for high pressure cleaner, includes plunger frame (1), the pump body, locates transmission assembly (4) in the pump body and locates support (5) and the motor of pump body bottom, its characterized in that: the pump body includes cylinder body (2) and base (3) that the components of a whole that can function independently set up, plunger frame (1), cylinder body (2) and base (3) are through first connecting piece (6) vertical connection, base (3) and support (5) are through second connecting piece (7) fixed connection.
2. The plunger pump for a high-pressure washer according to claim 1, characterized in that: a first support lug (3.1) and a second support lug (3.2) are integrally arranged on the periphery of the base (3), and the first connecting piece (6) penetrates through the plunger frame (1) and the cylinder body (2) and is fixedly connected with the first support lug (3.1); second connecting piece (7) pass second journal stirrup (3.2) and with support (5) fixed connection, first journal stirrup (3.1) and first journal stirrup (3.1) vertical adjacent and interval setting are in base (3) periphery.
3. The plunger pump for a high-pressure washer according to claim 1, characterized in that: be equipped with first sealing washer (8) between cylinder body (2) and base (3), first sealing washer (8) inlay and locate cylinder body (2) lower terminal surface and offset with base (3).
4. The plunger pump for a high-pressure washer according to claim 1, characterized in that: the plunger rack (1) and the cylinder body (2) are respectively provided with a connecting part (9) for the first connecting piece (6) to pass through at the periphery, and a reinforcing rib is arranged between the adjacent connecting parts (9).
5. The plunger pump for a high-pressure washer according to claim 1, characterized in that: the transmission assembly (4) comprises a gear shaft (4.1) driven by a motor, a swash plate (4.2), a retainer ring (4.3) and a plunger (4.4), wherein the gear shaft (4.1) penetrates through the swash plate (4.2) and a bearing (4.7) and drives the gear shaft to rotate, an extension part (4.5) is arranged at the center of the swash plate (4.2) along the extension of an eccentric axis, the retainer ring (4.3) is sleeved on the extension part (4.5) and is abutted against the inclined plane of the swash plate (4.2), and the ball head of the plunger (4.4) is contacted with the retainer ring (4.3).
6. The plunger pump for a high-pressure washer according to claim 1, characterized in that: still be equipped with bearing frame (4.8) and oil blanket (4.6) that the components of a whole that can function independently set up in cylinder body (2), bearing frame (4.8) bottom is extended and is equipped with sealed seat (4.9) that supply oil blanket (4.6) embedding, bearing frame (4.8) pressure is located on base (3).
7. The plunger pump for a high-pressure washer according to claim 6, characterized in that: base (3) inwards extend and be equipped with disc structure (3.3), disc structure (3.3) outer wall and cylinder body (2) inner wall tight fit, disc structure (3.3) inner wall and seal receptacle (4.9) tight fit.
8. The plunger pump for a high-pressure washer according to claim 7, characterized in that: and a second sealing ring (10) is arranged between the sealing seat (4.9) and the disc-shaped structure (3.3), and the second sealing ring (10) is embedded on the outer wall of the sealing seat (4.9) and is abutted against the disc-shaped structure (3.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922257567.8U CN211144717U (en) | 2019-12-12 | 2019-12-12 | Plunger pump for high-pressure cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922257567.8U CN211144717U (en) | 2019-12-12 | 2019-12-12 | Plunger pump for high-pressure cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211144717U true CN211144717U (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922257567.8U Active CN211144717U (en) | 2019-12-12 | 2019-12-12 | Plunger pump for high-pressure cleaning machine |
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| Country | Link |
|---|---|
| CN (1) | CN211144717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029716A (en) * | 2021-11-12 | 2022-02-11 | 浙江大学台州研究院 | Oil seal material preparation turntable for assembling plunger pump cylinder body |
-
2019
- 2019-12-12 CN CN201922257567.8U patent/CN211144717U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029716A (en) * | 2021-11-12 | 2022-02-11 | 浙江大学台州研究院 | Oil seal material preparation turntable for assembling plunger pump cylinder body |
| WO2023082419A1 (en) * | 2021-11-12 | 2023-05-19 | 浙江大学台州研究院 | Plunger pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230428 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. |
|
| TR01 | Transfer of patent right |