CN220532411U - Hand-held high-pressure cleaning machine - Google Patents
Hand-held high-pressure cleaning machine Download PDFInfo
- Publication number
- CN220532411U CN220532411U CN202322144046.8U CN202322144046U CN220532411U CN 220532411 U CN220532411 U CN 220532411U CN 202322144046 U CN202322144046 U CN 202322144046U CN 220532411 U CN220532411 U CN 220532411U
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- water outlet
- water inlet
- valve plug
- plunger
- water
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- 238000004140 cleaning Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 178
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 9
- 238000011010 flushing procedure Methods 0.000 description 3
- 210000002445 nipple Anatomy 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 235000021168 barbecue Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model discloses a handheld high-pressure cleaning machine which comprises a motor, a transmission assembly connected with an output shaft of the motor, a pump body assembly for pumping water or discharging water under pressure through the transmission assembly, and a pump head assembly connected with a water inlet connecting pipe and a water outlet gun rod, wherein the pump head assembly comprises a pump head shell, a valve plug arranged in the pump head shell, a valve plug spring and a plunger which can be slidably arranged on the pump head shell, the transmission assembly rotates through an inclined plane and acts on the plunger to extend or retract, the pump body assembly limits water flow from the water inlet connecting pipe to the pump body assembly and flows out from the water outlet gun rod, a pressure relief hole for communicating the water inlet connecting pipe with the water outlet gun rod is formed in the pump head shell, the valve plug and the valve plug spring are arranged in the pressure relief hole, and the valve plug spring supports the valve plug to block the pressure relief hole. Compared with the prior art, the utility model has the advantages that by arranging the valve plug and the valve plug spring, the valve plug can be hydraulically acted when the water outlet gun rod is plugged, and the pressure relief is realized by conducting the water inlet connecting pipe and the water outlet gun rod, so that the probability of damage to the internal structure of the cleaning machine is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of cleaning machines, in particular to a handheld high-pressure cleaning machine.
Background
In both domestic and outdoor activities, cleaning needs have been widespread.
In a family life centering on a family courtyard, people often need to clean balconies, walkways, outdoor tables and chairs, barbecue grills, automobiles, bicycles, garages, pets, garden tools, windows, swimming pools, outdoor steps and the like, and because the areas or objects are located outside a house, dirt such as mud, oil stains, leaves and dust can be inevitably stained, and the cleaning cloth is very inconvenient to clean.
In order to meet the requirements, the pressure cleaning machine is provided in the market, water of a water source can be sprayed outwards after being pressurized by a pump in the pressure cleaning machine, so that the pressure cleaning machine can be used for flushing balconies, automobiles, doors and windows, courtyard roads and the like, is efficient and convenient, but because of a water source, a large amount of impurities exist in the water, a gun head is easy to block, a pressure release mechanism is not arranged in part of the cleaning machine, a water gun always works (absorbs water and pressurized flushing) under the condition that the gun head is blocked, high-pressure water cannot be discharged, the internal structure of the cleaning machine can be damaged, and unnecessary loss is caused.
Disclosure of Invention
The utility model aims at solving the problem that the internal structure is damaged due to the fact that pressure in a cleaning machine is high under the condition that a water outlet gun is blocked by a part of existing cleaning machines without pressure relief mechanisms, and aims to provide a handheld high-pressure cleaning machine which is used for realizing pressure relief by arranging a valve plug and a valve plug spring between a water inlet and a water outlet and realizing pressure relief by means of pressure action when the water outlet gun rod is blocked by the valve plug and the valve plug spring.
The technical scheme adopted for solving the technical problems is as follows: the hand-held high-pressure cleaning machine comprises a motor, a transmission assembly, a pump body assembly, a pump head assembly, a water inlet connecting pipe and a water outlet gun rod;
the output shaft of the motor is connected with a transmission assembly, the transmission assembly converts the rotary motion of the motor shaft into telescopic motion, the transmission assembly is connected with a pump body assembly, the pump head assembly is arranged between the pump body assembly and a water outlet gun rod, and the water inlet connecting pipe is arranged on the pump head assembly;
the pump body assembly comprises a pump body shell and a plunger which is arranged in the pump body shell in a sliding manner;
the pump head assembly comprises a joint shell, a pump head shell, a valve seat, a valve plug and a valve plug spring, wherein the valve seat is arranged between the joint shell and the pump head shell and is used for guiding liquid to flow;
the plunger is inserted between the pump body shell and the pump head shell, and the transmission assembly rotates through the inclined plane and acts on the plunger to extend or retract;
the connector shell is provided with a water inlet connected with the water inlet connecting pipe and a water outlet connected with the water outlet gun rod, and the flow direction from the water inlet to the water outlet is communicated through a valve seat;
the connector is characterized in that a pressure relief hole for communicating the water inlet with the water outlet is formed in the connector shell, the valve plug and the valve plug spring are arranged in the pressure relief hole, one end of the valve plug spring is propped against the water inlet connecting pipe, and the other end of the valve plug spring elastically supports the valve plug to seal the pressure relief hole.
The utility model further adopts the following preferable scheme: and the connector shell is provided with two limiting pieces, the limiting pieces are connected with the water inlet connecting pipe and the water outlet gun rod one by one, and the limiting pieces limit the detachment of the water inlet connecting pipe or the water outlet gun rod.
The utility model further adopts the following preferable scheme: two through limiting jacks are respectively arranged on the outer walls of the water inlet and the water outlet, the water inlet connecting pipe and the water outlet gun rod are respectively provided with an inserting section, a limiting groove is arranged on the outer wall of the inserting section, and the limiting jacks are communicated with the limiting groove.
The utility model further adopts the following preferable scheme: the limiting piece is of a U-shaped structure, is correspondingly inserted into the two limiting insertion holes of the water inlet or the water outlet, falls into the limiting groove of the insertion section, and is limited to be separated from the water inlet connecting pipe or the water outlet gun rod.
The utility model further adopts the following preferable scheme: the pump head assembly further includes a plunger spring threaded onto the plunger, the plunger spring being located between the plunger and the pump body housing.
The utility model further adopts the following preferable scheme: the transmission assembly comprises a planetary gear set and a transmission shaft, the planetary gear set is connected with a motor shaft of a motor, and the motor can drive the transmission shaft to rotate through the planetary gear set.
The utility model further adopts the following preferable scheme: the transmission shaft is provided with a function disc in a penetrating way, the transmission assembly comprises a sloping cam plate, one end of the sloping cam plate is provided with an inclined plane, the sloping cam plate is attached to the function disc through the inclined plane and is connected with the transmission shaft, the transmission shaft can drive the sloping cam plate to rotate, and the plane at the other end of the sloping cam plate is inclined relative to the rotation axis of the sloping cam plate.
The utility model further adopts the following preferable scheme: the transmission assembly further comprises a plane thrust bearing, the end face of one end of the plane thrust bearing is attached to the end face of the other end of the swash plate and is fixedly connected with the end face of the other end of the swash plate, and the end portion of the plunger spring elastic support plunger is always attached to the end face of the other end of the plane thrust bearing.
The utility model further adopts the following preferable scheme: the pump head comprises a pump body shell, a plunger, a water seal, a transmission assembly and a water jacket, wherein the pump body shell is arranged in the pump body shell, the water seal is arranged in the pump body shell, the plunger can be inserted into the water jacket, and the water jacket is arranged on the plunger and can limit liquid to flow from the water jacket to the space between the pump body shell and the transmission assembly.
The utility model further adopts the following preferable scheme: the valve seat comprises a water inlet valve and a water outlet valve, the water inlet valve and the water outlet valve both adopt one-way valves, the water inlet valve limits liquid to flow from the water inlet to the containing cavity only, and the water outlet valve limits liquid to flow from the containing cavity to the water outlet only.
Compared with the prior art, the utility model has the advantages that the valve plug and the valve plug spring are arranged in the pressure relief hole, when the water outlet gun rod is plugged due to impurities, the valve plug can move due to the action of water pressure, so that the water inlet connecting pipe is communicated with the water outlet gun rod, the pressure relief is realized, the pressure in the cleaning machine is released, and the damage probability of the internal structure of the cleaning machine is effectively reduced.
Drawings
The present utility model will be described in further detail below in conjunction with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn merely for the purpose of illustrating the preferred embodiments and should not therefore be taken as limiting the scope of the utility model, and furthermore, unless specifically indicated, the drawings are merely schematic in nature to conceptually illustrate the composition or construction of the objects described and may contain exaggerated representations, and the drawings are not necessarily drawn to scale.
FIG. 1 is a schematic view of a preferred embodiment of the present utility model;
FIG. 2 is an exploded view of a preferred embodiment of the present utility model;
FIG. 3 is one of the cross-sectional views of the preferred embodiment of the present utility model;
FIG. 4 is a second cross-sectional view of a preferred embodiment of the present utility model;
FIG. 5 is an exploded view of the water inlet nipple, the water outlet gun stem and the pump head assembly of the preferred embodiment of the present utility model;
fig. 6 is an enlarged schematic view of the portion a in fig. 5 according to a preferred embodiment of the present utility model.
In the figure: 1. a motor; 001. and a transmission assembly: 2. a transmission housing; 3. a planetary gear set; 4. a transmission shaft; 5. an action plate; 6. a swash plate; 7. a planar thrust bearing; 002. pump body assembly: 8. a pump body housing; 9. a plunger; 10. a plunger spring; 003. pump head assembly: 11. the connector comprises a connector shell 11-1, a water inlet, 11-2, a water outlet, 11-3, a pressure relief hole, 11-4 and a limiting jack; 12. pump head housing, 12-1, clamping groove; 13. a valve seat; 14. a valve plug; 15. a valve plug spring; 16a, a water outlet gun rod, 16b, a water inlet connecting pipe, 16-1, an inserting section, 16-2 and a limiting groove; 17. a limiting piece; 18. a waterproof ring; 19. and (5) water sealing.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the drawings, and those skilled in the art will appreciate that the descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the present utility model.
It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.
The embodiment mainly sets forth the handheld high-pressure cleaning machine which realizes pressure relief by arranging the valve plug and the valve plug spring between the water inlet and the water outlet, and when realizing the plugging of the water outlet gun rod, the valve plug is acted by pressure and the water inlet and the water outlet are communicated, and the embodiment is as follows:
as shown in fig. 1-6, the handheld high-pressure cleaning machine comprises a motor 1, a transmission assembly 001 driven by the motor 1, a pump body assembly 002 for realizing water absorption or high-pressure flushing through the transmission assembly 001, a pump head assembly 003 connected with the pump body assembly 002 and limiting water flow guiding, and a water inlet connecting pipe 16b and a water outlet gun rod 16a arranged on the pump head assembly 003, wherein the positions among all the assemblies and accessories are the motor 1, the transmission assembly 001, the pump body assembly 002, the pump head assembly 003 and the water outlet gun rod 16a in sequence from back to front, the water inlet connecting pipe 16b is arranged below the pump head assembly 003, the water inlet direction of the water inlet connecting pipe 16b is perpendicular to the water outlet direction of the water outlet gun rod 16a, and the parts of the cleaning machine can be independently disassembled, assembled and replaced and maintained through the multistage arrangement of the cleaning machine.
As shown in fig. 2-3, the transmission assembly 001 comprises a transmission housing 2, a planetary gear set 3, a transmission shaft 4, an action disc 5, a swash plate 6 and a plane thrust bearing 7 are arranged in the transmission housing 2, a motor 1 shaft of the motor 1 is inserted into the transmission housing 2 and connected with the planetary gear set 3, the planetary gear set 3 is connected with the transmission shaft 4, the planetary gear set 3 transmits the rotation of the motor 1 shaft and drives the transmission shaft 4 to rotate, the action disc 5 is sleeved on the transmission shaft 4 and axially limited and installed in the transmission housing 2, the rear end face of the swash plate 6 is an inclined face, the swash plate 6 is inserted on the transmission shaft 4, the inclined face is attached to the action disc 5, the front end face of the swash plate 6 is inclined relative to the rotation axis, the plane thrust bearing 7 is arranged on the front end face of the inclined face, and is inserted into the plane thrust bearing 7 through screws and connected to the rotation shaft through threads, and the plane thrust bearing 7 is inclined based on the inclination of the front end face of the swash plate 6.
Preferably, the transmission shaft 4 and the swash plate 6 can be matched through a spline or non-circular structure, and the transmission shaft 4 can drive the swash plate 6 and the batch plane thrust bearing 7 to rotate.
As shown in fig. 2-3, the pump body assembly 002 comprises a pump body housing 8, a plunger 9 and a plunger spring 10, wherein the plunger 9 is slidably inserted on the pump body housing 8, the plunger spring 10 is sleeved on the plunger 9, the plunger spring 10 is arranged between the pump body housing 8 and the plunger 9 in an axial limiting manner, when the pump body housing 8 is fixedly connected with the transmission housing 2, the rear end of the plunger 9 is attached to the front end face of the inclined plane thrust bearing 7, when the motor 1 drives the motor 1 to rotate, the inclined plane thrust bearing 7 rotates to drive the plunger 9 to extend or retract under the action of the plunger spring 10, and the elastic action of the plunger spring 10 enables the rear end of the plunger 9 to be attached to the front end face of the plane thrust bearing 7 all the time.
As shown in fig. 2-6, the pump head assembly 003 comprises a joint housing 11, a pump head housing 12, a valve seat 13, a valve plug 14 and a valve plug spring 15, wherein the valve plug 14 and the valve plug spring 15 are both arranged in the joint housing 11, the valve seat 13 is clamped between the joint housing 11 and the pump head housing 12, a water inlet 11-1 connected with a water inlet connecting pipe 16b and a water outlet 11-2 connected with a water outlet gun rod 16a are arranged on the joint housing 11, the pump head housing 12 is fixedly connected with the pump body housing 8, a cavity capable of storing liquid is formed between the pump body housing 8 and the pump head housing 12, and when the plunger spring 10 elastically acts on the plunger 9 and is retracted by being attached to the planar thrust bearing 7, the valve seat 13 limits liquid to flow into the cavity from the water inlet 11-1 first, and then the plunger 9 is pressurized to enable the liquid to flow out of the water outlet 11-2 from the cavity under high pressure.
In other embodiments, the valve seat 13 may be replaced directly by providing a water inlet valve and a water outlet valve, wherein the water inlet valve restricts liquid flow only from the water inlet 11-1 to the cavity, and the water outlet valve restricts liquid flow only from the cavity to the water outlet 11-2, and preferably, the water inlet valve and the water outlet valve both employ one-way valves.
In order to prevent liquid from flowing into the pump body shell 8 and the transmission shell 2 from the cavity when the plunger 9 stretches and contracts, a water seal 19 is fixed in the pump body shell 8, the plunger 9 is inserted into the cavity, and the water seal 19 is sleeved on the plunger 9 and can limit the liquid from flowing into the pump body shell 8 and the transmission shell 2 from the cavity.
Simultaneously in order to avoid damaging pump head assembly 003, pump body assembly 002 and transmission assembly 001 because of the shutoff of delivery port 11-2 causes the excessive pressure in appearance chamber, be equipped with pressure release hole 11-3 in the joint shell 11, pressure release hole 11-3 intercommunication water inlet 11-1 and delivery port 11-2, valve plug 14 and valve plug spring 15 locate in pressure release hole 11-3 and install, valve plug spring 15 cover is established on valve plug 14, and valve plug spring 15's lower extreme is supported and is stopped on intake nipple 16b, valve plug spring 15 elasticity upwards supports valve plug 14 shutoff pressure release hole 11-3.
When the water outlet 11-2 is plugged, the water inlet connecting pipe 16b continuously feeds water under the action of the plunger 9, water in the containing cavity flows to the water outlet 11-2 through the valve seat 13, the water pressure between the valve seat 13 and the water outlet 11-2 is increased, the valve plug 14 can be acted on to press the valve plug spring 15 downwards to a certain extent, at the moment, the pressure relief hole 11-3 is conducted, pressure relief is realized, the pressure in the cleaning machine is released, and the damage probability of the internal structure of the cleaning machine is effectively reduced.
In this embodiment, the joint housing 11, the pump head housing 12 and the pump body housing 8 are fixed by three screws, wherein the pump head housing 12 is clamped between the pump head housing 12 and the transmission housing 2, the pump head housing 12 is provided with a clamping groove 12-1 penetrating front and back, the screws are sequentially inserted into the joint housing 11, the pump head housing 12 and the pump body housing 8, nuts of the screws are abutted against the joint housing 11 and are in threaded connection with the pump body housing 8, and preferably, the clamping groove 12-1 is communicated with the side wall of the pump head housing 12.
In this embodiment, as shown in fig. 6, the water inlet connection pipe 16b and the water outlet gun rod 16a are installed in the same manner, the water inlet connection pipe 16b and the water outlet gun rod 16a are respectively fixed on the joint housing 11 through a limiting piece 17 with a U-shaped structure, two through limiting jacks 11-4 are respectively arranged on the outer walls of the water inlet 11-1 and the water outlet 11-2 of the joint housing 11, the limiting jacks 11-4 are radially communicated with the water inlet 11-1 or the water outlet 11-2, the water inlet connection pipe 16b or the water outlet gun rod 16a is respectively provided with an inserting section 16-1 capable of being inserted into the water inlet 11-1 or the water outlet 11-2, the outer wall of the inserting section 16-1 is provided with a limiting groove 16-2, when the water inlet connection pipe 16b or the water outlet gun rod 16a is inserted into the water inlet 11-1 or the water outlet 11-2 through the inserting section 16-1, the limiting jacks 11-4 are correspondingly inserted into the two limiting jacks 11-4 of the water inlet 11-1 or the water outlet 11-2, and fall into the limiting grooves 16-2 of the inserting section 16-1 or the limiting piece 17, and the water inlet connection pipe 16b or the water outlet connection pipe 16a is limited by the limiting piece 16 a.
In order to avoid water leakage at the installation position of the water inlet connecting pipe 16b or the water outlet gun rod 16a in the water inlet 11-1 or the water outlet 11-2, the water inlet connecting pipe 16b or the water outlet gun rod 16a can be sleeved with a waterproof ring 18, and the waterproof ring 18 can be effective. To limit water leakage at the mounting of the water inlet nipple 16b or the water outlet gun rod 16a on the joint housing 11, preferably, a sealing ring can be arranged between the joint housing 11 and the pump head housing 12 to limit water leakage between the joint housing 11 and the pump head housing 12.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "front", "rear", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
While the present utility model has been described in detail with respect to the specific examples provided herein for the purpose of illustrating the principles and embodiments of the present utility model, the above examples are provided solely for the purpose of aiding in the understanding of the principles and concepts of the present utility model, and it should be pointed out that several improvements and modifications may be made to the present utility model by one of ordinary skill in the art without departing from the principles of the present utility model, which also falls within the scope of the appended claims.
Claims (10)
1. The hand-held high-pressure cleaning machine comprises a motor, a transmission assembly, a pump body assembly, a pump head assembly, a water inlet connecting pipe and a water outlet gun rod;
the output shaft of the motor is connected with a transmission assembly, the transmission assembly converts the rotary motion of the motor shaft into telescopic motion, the transmission assembly is connected with a pump body assembly, the pump head assembly is arranged between the pump body assembly and a water outlet gun rod, and the water inlet connecting pipe is arranged on the pump head assembly;
the pump body assembly is characterized by comprising a pump body shell and a plunger which is arranged in the pump body shell in a sliding manner;
the pump head assembly comprises a joint shell, a pump head shell, a valve seat, a valve plug and a valve plug spring, wherein the valve seat is arranged between the joint shell and the pump head shell and is used for guiding liquid to flow;
the plunger is inserted between the pump body shell and the pump head shell, and the transmission assembly rotates through the inclined plane and acts on the plunger to extend or retract;
the connector shell is provided with a water inlet connected with the water inlet connecting pipe and a water outlet connected with the water outlet gun rod, and the flow direction from the water inlet to the water outlet is communicated through a valve seat;
the connector is characterized in that a pressure relief hole for communicating the water inlet with the water outlet is formed in the connector shell, the valve plug and the valve plug spring are arranged in the pressure relief hole, one end of the valve plug spring is propped against the water inlet connecting pipe, and the other end of the valve plug spring elastically supports the valve plug to seal the pressure relief hole.
2. The hand-held high-pressure washer according to claim 1, wherein the connector housing is provided with two limiting members, the limiting members are connected with the water inlet connecting pipe and the water outlet gun rod one by one, and the limiting members limit the detachment of the water inlet connecting pipe or the water outlet gun rod.
3. The hand-held high-pressure cleaning machine according to claim 2, wherein two through limiting jacks are respectively arranged on the outer walls of the water inlet and the water outlet, the water inlet connecting pipe and the water outlet gun rod are respectively provided with an inserting section, and a limiting groove is arranged on the outer wall of the inserting section and is communicated with the limiting groove.
4. The hand-held high-pressure washer according to claim 3, wherein the limiting member has a U-shaped structure, the limiting member is correspondingly inserted into the two limiting insertion holes of the water inlet or the water outlet and falls into the limiting groove of the insertion section, and the limiting member limits the water inlet connecting pipe or the water outlet gun rod from being separated.
5. The hand-held high pressure washer of claim 1, wherein the pump head assembly further comprises a plunger spring threaded onto the plunger, the plunger spring being located between the plunger and the pump body housing.
6. The hand-held high pressure washer of claim 5, wherein the transmission assembly comprises a planetary gear set and a transmission shaft, the planetary gear set is connected to a motor shaft of a motor, and the motor can drive the transmission shaft to rotate through the planetary gear set.
7. The hand-held high pressure cleaner of claim 6, wherein the drive shaft is provided with a function disc in a penetrating manner, the drive assembly comprises a sloping plate, one end of the sloping plate is provided with a sloping surface, the sloping plate is attached to the function disc through the sloping surface and is connected with the drive shaft, the drive shaft can drive the sloping plate to rotate, and the plane at the other end of the sloping plate is inclined relative to the rotation axis of the sloping plate.
8. The hand-held high pressure washer of claim 7, wherein the transmission assembly further comprises a planar thrust bearing, wherein an end surface of one end of the planar thrust bearing is attached to an end surface of the other end of the swash plate and fixedly connected, and wherein the plunger spring elastically supports the plunger end to be always attached to the end surface of the other end of the planar thrust bearing.
9. The hand-held high pressure cleaner of claim 8, wherein a chamber capable of storing liquid is provided between the pump head housing and the pump body housing, and wherein a water seal is secured within the pump body housing, wherein the plunger is insertable into the chamber, and wherein the water seal is disposed on the plunger and is capable of restricting liquid flow from the chamber to between the pump body housing and the drive assembly.
10. The hand-held high pressure washer of claim 9, wherein the valve seat comprises a water inlet valve and a water outlet valve, wherein the water inlet valve and the water outlet valve each adopt one-way valves, the water inlet valve restricts liquid flow only from the water inlet to the cavity, and the water outlet valve restricts liquid flow only from the cavity to the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322144046.8U CN220532411U (en) | 2023-08-09 | 2023-08-09 | Hand-held high-pressure cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322144046.8U CN220532411U (en) | 2023-08-09 | 2023-08-09 | Hand-held high-pressure cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220532411U true CN220532411U (en) | 2024-02-27 |
Family
ID=89976479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322144046.8U Active CN220532411U (en) | 2023-08-09 | 2023-08-09 | Hand-held high-pressure cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220532411U (en) |
-
2023
- 2023-08-09 CN CN202322144046.8U patent/CN220532411U/en active Active
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