CN210178526U - Handheld self-suction type high-pressure cleaning machine - Google Patents
Handheld self-suction type high-pressure cleaning machine Download PDFInfo
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- CN210178526U CN210178526U CN201920387128.6U CN201920387128U CN210178526U CN 210178526 U CN210178526 U CN 210178526U CN 201920387128 U CN201920387128 U CN 201920387128U CN 210178526 U CN210178526 U CN 210178526U
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Abstract
The utility model provides a hand-held self-suction high-pressure cleaning machine, which can enter a working state at any time as long as a water source exists and output high-pressure water flow and enough water flow; and the cleaning machine has smaller volume, lighter weight, lower cost and more portability. The control assembly comprises a switch trigger, a motor assembly and a shell, wherein the shell covers the motor assembly, and the switch trigger controls the start and stop of the motor assembly; the booster pump comprises a pump body, a liquid inlet cavity, a liquid outlet cavity, a boosting cavity and a plunger; the booster pump is arranged outside the output end of the motor component of the control component, the pump body of the booster pump is arranged at the exposed positioning position of the corresponding end of the control component, the liquid inlet is connected with the inlet of the liquid inlet cavity through a liquid inlet connecting structure, and the output end of the motor component is connected with the driving position of the plunger; the liquid inlet joint is connected with a liquid inlet end of the liquid inlet connecting structure; and the liquid outlet joint is connected with the outlet end of the liquid outlet cavity through a liquid outlet connecting structure.
Description
Technical Field
The utility model relates to a handheld self-suction type high pressure cleaner, in particular to a portable self-suction type handheld high pressure cleaner.
Background
In vehicle life and outdoor activities, the need for cleaning has been widely present. In the family life centered on automobiles, people often need to clean the automobiles. And outdoor table and chairs, barbecue grills, bicycles, garden tools, swimming pools, etc. are cleaned in outdoor activities. Because the using scene of the articles is positioned outside the house, the articles are inevitably stained with dirt such as mud, oil stains, leaves, accumulated dust and the like, the cleaning by using the rag is very inconvenient, and water flow or even high-pressure water flow is needed for spray washing. In order to meet the above requirements, the solution in the market is to provide domestic high-pressure cleaning machines, such as the cleaning structures disclosed in CN 107842487 a, CN 108160366 a, and CN 207546814U, which all wrap the pump body in the casing, and have the disadvantages of poor heat dissipation, short service life, and relatively poor performance of the pump. Meanwhile, the whole machine is made of too many materials, heavy, high in cost, heavy when being used by hand, and low in cost performance. The cleaning machines disclosed in these patents have poor performance and high price, which is not favorable for market promotion. Also, as disclosed in chinese patent CN1840246A, a high pressure cleaning machine generally comprises a main body and a spray gun, wherein a water tank, a motor and a water pump are disposed on the main body, and a trigger switch for spraying water is disposed on the spray gun. These high pressure washers are large in size and heavy in weight, and are troublesome to carry when switched among various work scenes. Especially in household cleaning days, if windows, driveways, steps and cars need to be cleaned one by one, the high-pressure cleaning machine needs to be transported back and forth between different places. In addition, before the high-pressure cleaning machine is used, water needs to be added into the water tank, and the operation is not simple enough.
In outdoor activities, such as mountain climbing, cross country, riding, camping, horse riding, boat driving and the like, because the environment is closer to nature and the activities are violent, the appliances and animals involved in the activities are more easily dirtied and need to be cleaned in time. For example, automobiles, motorcycles, and bicycles are inevitably contaminated with mud after traveling in the open air, and mud weeds attached to the ship body also need to be cleaned after a ship or a wooden raft travels. Horses and users also sweat and become slimy, preferably showering or rinsing in time, to avoid discomfort. The high pressure cleaning machine is not suitable for being carried about in various outdoor activities due to large volume and heavy weight. The high-pressure cleaning machine is powered by an alternating current power supply, so that a matched power supply is difficult to find in outdoor activities. Users can only endure dirt in activities and clean the mobile terminal after the activities are finished and when the mobile terminal returns to a fixed place; or the cleaning cloth is used for simply wiping when water passes by the water source during movement, the cleaning efficiency is low, the effect is poor, and the cleaning process is dirty.
In summary, users have cleaning requirements under various scenes and at various places, but related products on the market at present have poor portability, can be used in limited scenes and places, and cannot be cleaned anytime and anywhere. If a product can be provided, can be in the clean activity of all kinds of families convenient laborsaving removal, clean balcony, lane, car etc. can also satisfy the clean demand of user family, carry with oneself in activities such as cross country, ride, satisfy the clean demand of outdoor activities, will very big simplification user's cleaning, enlarge the place scope of cleaning to improve user's quality of life.
The main reasons affecting the portability of the high pressure washer are mainly due to the large volume occupied by the pump in the high pressure washer and the heavy weight of the pump. One common pump is shown in chinese patent CN1212899C, and is driven by a plunger and a wobble plate. And the swinging wheel disc and the plunger need more working cavities, so the structure of the pump is more complex, and the weight and the volume are both larger.
The main reason influencing the outdoor use function of the high-pressure cleaning machine is that the high-pressure cleaning machine adopts an alternating current power supply. The high-voltage cleaning machine powered by alternating current is limited by power supply, and a corresponding alternating current power supply must be equipped in the use scene, so that the convenience of outdoor scene application is reduced; the high-pressure cleaning machine with alternating current power supply is limited by the length of the power line, the cleaning range of the high-pressure cleaning machine can only be within the length range of the power line, and the cleaning range and the mobility of the high-pressure cleaning machine are limited.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a handheld self-suction high-pressure cleaning machine, which can enter a working state at any time as long as a water source exists and output high-pressure water flow and enough water flow; and the cleaning machine has smaller volume, lighter weight, lower cost and more portability.
The utility model provides a handheld self-priming high pressure cleaner which characterized in that: which comprises
The control assembly comprises a switch trigger, a motor assembly and a shell, wherein the shell covers the motor assembly, and the switch trigger controls the start and stop of the motor assembly;
the booster pump comprises a pump body, a liquid inlet cavity, a liquid outlet cavity, a boosting cavity and a plunger;
the booster pump is arranged outside the output end of a motor component of the control component, a pump body of the booster pump is arranged at an exposed positioning position of the corresponding end of the control component, liquid is connected with an inlet of the liquid inlet cavity through a liquid inlet connecting structure, and the output end of the motor component is connected with a driving position of the plunger;
the liquid inlet joint is connected with the liquid inlet end of the liquid inlet cavity;
and the liquid outlet joint is connected with the outlet end of the liquid outlet cavity through a liquid outlet connecting structure.
It is further characterized in that:
the rest parts of the pump body except the end face connected with the control assembly are exposed outside, so that sufficient natural heat dissipation is realized, and the pump body is better cooled;
the booster pump is specifically a plunger pump;
the plunger pump comprises at least one liquid inlet cavity, at least one liquid outlet cavity, at least one pressurizing cavity and at least one plunger, wherein a first one-way valve is arranged between the liquid inlet cavity and the corresponding pressurizing cavity, liquid in the liquid inlet cavity flows into the pressurizing cavity in a one-way mode through the first one-way valve, a second one-way valve is arranged between the liquid outlet cavity and the corresponding pressurizing cavity, and the liquid in the pressurizing cavity flows into the liquid outlet cavity in a one-way mode through the second one-way valve;
the booster pump is specifically a diaphragm pump;
the diaphragm pump comprises at least one liquid inlet cavity, at least one liquid outlet cavity, at least one pressurizing cavity, at least one diaphragm and a corresponding plunger for driving the diaphragm, wherein a first one-way valve is arranged between the liquid inlet cavity and the corresponding pressurizing cavity, liquid in the liquid inlet cavity flows into the pressurizing cavity in a one-way mode through the first one-way valve, a second one-way valve is arranged between the liquid outlet cavity and the corresponding pressurizing cavity, and the liquid in the pressurizing cavity flows into the liquid outlet cavity in a one-way mode through the second one-way valve;
a liquid outlet quick connector is arranged at one end of the liquid outlet connector, which is far away from the liquid outlet cavity;
a liquid inlet quick connector is arranged at one end of the liquid inlet connector, which is far away from the liquid inlet connecting structure;
the liquid outlet quick connector is of a buckle structure or a spiral structure, and the buckle structure comprises an installation space and a corresponding clamping locking structure;
the liquid inlet quick connector is of a buckle structure or a spiral structure, and the buckle structure comprises an installation space and a corresponding clamping locking structure;
the motor assembly is arranged in an inner cavity of the shell, the motor assembly, the switch and the circuit connecting piece are arranged in the inner cavity of the shell, the power connecting piece is connected with the input end of the motor assembly through the circuit connecting piece and the switch, the shell further comprises a holding part, and a switch trigger activity avoiding area is arranged at the position of the shell corresponding to the holding part;
the switch trigger is connected with the corresponding positioning position of the shell through a rotating shaft, a handle part of the switch trigger is positioned in a switch trigger activity avoiding area, a driving surface of the handle part is arranged towards the lock catch and the switch driving rod, the lock catch is propped against the driving surface of the handle part in an opening state to ensure a locking position of the switch trigger, and the handle part of the switch trigger is manually driven in a closing state of the lock catch, so that the driving surface presses the switch driving rod to enable the switch to be in an on state;
each plunger is provided with a connecting part;
the motor assembly comprises a motor and a transmission mechanism, and the transmission mechanism is the output end of the motor assembly;
the transmission mechanism is a gear transmission mechanism, and the arrangement number and the positions of the gear transmission mechanisms are determined according to the number of the plungers and the positions of the connecting parts of the plungers;
the connecting part is connected with the transmission mechanism through an eccentric mechanism;
when the connecting part is a gap, the eccentric mechanism is an eccentric wheel;
the upper part of the gap position is an upper plunger, the lower part of the gap position is a lower plunger, the eccentric wheel eccentrically rotates under the driving of a corresponding output gear of the gear transmission mechanism, and the peripheral area of the pump body relative to the plungers is a pressurizing cavity;
when the connecting part is a cylindrical pin, the eccentric mechanism is a crank connecting rod;
the crank connecting rod moves under the driving of a corresponding output gear of the gear transmission mechanism, the cavity at two ends of the pump body relative to the plunger is divided into two pressurizing cavities, each pressurizing cavity is provided with an independent first one-way valve connected with a liquid inlet cavity at a corresponding position, and each pressurizing cavity is provided with an independent second one-way valve connected with a liquid outlet cavity at a corresponding position;
when the connecting portion is an end of a plunger, the eccentric mechanism is a cam;
the eccentricity of the eccentric mechanism is between 0.8mm and 18 mm;
the transmission ratio of the gear transmission mechanism is 1: 1-1: 16.5 or less;
the rotating speed of the motor is between 2000rpm and 40000 rpm;
the power supply connecting piece is specifically a battery pack interface;
the power supply connecting piece is specifically a power supply connecting wire;
an installation positioning part is arranged in the inner cavity of the shell and used for positioning and installing the control assembly.
After the utility model is adopted, the control component and the booster pump are mutually independently designed and mutually connected, the liquid inlet cavity of the booster pump is connected with the water taking device through the liquid inlet joint, the self-absorption liquid taking can be realized, the liquid outlet cavity is connected with the external spraying device through the liquid outlet joint, and the pressurizing spraying function is realized; the booster pump is designed independently, so that the booster pump can be completely exposed in the air to realize sufficient natural heat dissipation, and the pump body has better cooling; meanwhile, the pump body does not need to be covered, so that the whole machine is smaller in size and lighter in weight; the two points can ensure that the cleaning machine has smaller volume, lighter weight, lower cost and more portability under the same process.
Drawings
FIG. 1 is a schematic diagram of the front view structure of the present invention;
FIG. 2 is a schematic diagram of a front view cross-sectional structure of a first embodiment of the present invention;
FIG. 3 is a schematic diagram of a front view cross-sectional structure of a second embodiment of the present invention;
FIG. 4 shows a first embodiment of the booster pump of the present invention;
FIG. 5 shows a second embodiment of the booster pump according to the present invention;
FIG. 6 shows a third embodiment of the booster pump of the present invention;
FIG. 7 shows a fourth embodiment of the booster pump according to the present invention;
FIG. 8 shows a fifth embodiment of the booster pump according to the present invention;
FIG. 9 shows a sixth embodiment of the booster pump according to the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the device comprises a control assembly 1, a switch trigger 2, a handle part 202, a motor assembly 3, a shell 5, a holding part 51, a switch trigger movable avoiding area 52, an installation positioning part 53, a booster pump 6, a pump body 7, a liquid inlet cavity 8, a liquid outlet cavity 9, a booster cavity 10, a plunger 11, an upper plunger 111, a lower plunger 112, a liquid inlet connecting structure 12, a liquid inlet connector 13, a liquid outlet connector 14, a liquid outlet connecting structure 15, a first one-way valve 16, a second one-way valve 17, a liquid outlet quick-connection connector 18, a liquid inlet quick-connection connector 19, an installation space 20, a clamping locking structure 21, a switch 22, a circuit connecting piece 23, a power supply connecting piece 24, a battery pack interface 241, a power supply connecting line 242, a rotating shaft 25, a lock catch 27, a switch driving rod 28, a motor 29, a gear transmission mechanism 30, a power supply battery 31, a notch 32, an eccentric wheel 33, a swash cam 39, a diaphragm 40, and a sprinkler 41.
Detailed Description
A hand-held self-priming high pressure cleaner, see fig. 1-9: which comprises
The liquid inlet control device comprises a control assembly 1, wherein the control assembly 1 comprises a switch trigger 2, a motor assembly 3 and a shell 5, the shell 5 covers the motor assembly 3, the switch trigger 2 drives the liquid inlet end of a liquid inlet 4 to open and close, and the switch trigger 2 controls the start and stop of the motor assembly 3;
the booster pump 6, the booster pump 6 includes the pump body 7, the liquid inlet cavity 8, the liquid outlet cavity 9, the booster cavity 10, the plunger 11;
the booster pump 6 is arranged outside the output end of the motor component of the control component 1, a pump body 7 of the booster pump 6 is arranged at an exposed positioning position of the corresponding end of the shell of the control component 1, liquid is connected with an inlet of the liquid inlet cavity 8 through a liquid inlet connecting structure 12, and the output end of the motor component 3 is connected with a driving position of the plunger 11;
the liquid inlet joint 13 is connected with the liquid inlet end of the liquid inlet connecting structure 12;
the liquid outlet joint 14 is connected with the outlet end of the liquid outlet cavity 9 through a liquid outlet connecting structure 15.
The pump body 7 can be mounted on the housing 5 by screw fastening or clamping.
The rest parts of the pump body 7 except the end face connected with the control assembly 1 are exposed outside, so that sufficient natural heat dissipation is realized, and the pump body 7 has better cooling;
the booster pump 6 is specifically a plunger pump;
the plunger pump comprises at least one liquid inlet cavity 8, at least one liquid outlet cavity 9, at least one pressurizing cavity 10 and at least one plunger 11, wherein a first one-way valve 16 is arranged between the liquid inlet cavity 8 and the corresponding pressurizing cavity 10, the liquid in the liquid inlet cavity 8 flows into the pressurizing cavity 10 in a one-way mode through the first one-way valve 16, a second one-way valve 17 is arranged between the liquid outlet cavity 9 and the corresponding pressurizing cavity 10, and the liquid in the pressurizing cavity 10 flows into the liquid outlet cavity 9 in a one-way mode through the second one-way valve 17;
the booster pump 6 is specifically a diaphragm pump;
the diaphragm pump comprises at least one liquid inlet cavity 8, at least one liquid outlet cavity 9, at least one pressurizing cavity 10, at least one diaphragm sheet 40 and a corresponding plunger 11 for driving the diaphragm sheet 40, wherein a first one-way valve 16 is arranged between the liquid inlet cavity 8 and the corresponding pressurizing cavity 10, the first one-way valve 16 enables liquid in the liquid inlet cavity 8 to flow into the pressurizing cavity 10 in a one-way mode, a second one-way valve 17 is arranged between the liquid outlet cavity 9 and the corresponding pressurizing cavity 10, and the second one-way valve 17 enables liquid in the pressurizing cavity 10 to flow into the liquid outlet cavity 9 in a one-way mode;
a liquid outlet quick connector 18 is arranged at one end of the liquid outlet connector 14 far away from the liquid outlet cavity 9;
a liquid inlet quick connector 19 is arranged at one end of the liquid inlet connector 13 far away from the liquid inlet connecting structure 12;
the liquid outlet quick connector 18 and the liquid inlet quick connector 19 are both of a buckle structure or a spiral structure (not shown in the figure, belonging to the existing mature structure), and the buckle structure comprises an installation space 20 and a corresponding clamping locking structure 21;
the motor assembly 3 is arranged in an inner cavity of the shell 5, the motor assembly 3, the switch 22 and the circuit connecting piece 23 are arranged in the inner cavity of the shell 5, the power supply connecting piece 24 is connected with the input end of the motor assembly 3 through the circuit connecting piece 23 and the switch 22, the shell 5 further comprises a holding part 51, and a switch trigger activity avoiding area 52 is arranged at a position of the shell 5 corresponding to the holding part 51;
the switch trigger 2 is connected with the corresponding positioning position of the shell 5 through the rotating shaft 25, the handle part 202 of the switch trigger 2 is positioned in the switch trigger activity avoiding area 52, the driving surface of the handle part 202 is arranged towards the lock catch 27 and the switch driving rod 28, the driving surface of the handle part 202 is propped against the driving surface of the lock catch 27 in the opening state to ensure the locking position of the switch trigger 2, and the handle part 202 of the switch trigger 2 is manually driven to enable the driving surface to press the switch driving rod 28 in the closing state of the lock catch 27 so as to enable the switch 22 to be in the power-on;
each plunger 11 is provided with a connecting portion;
the motor component 3 comprises a motor 29 and a transmission mechanism, and the transmission mechanism is the output end of the motor component;
the transmission mechanism is specifically a gear transmission mechanism 30, and the arrangement number and the position of the gear transmission mechanism 30 are determined according to the number of the plungers 11 and the positions of the connecting parts of the plungers 11;
the connecting part is connected with the transmission mechanism through an eccentric mechanism;
when the connecting part is a gap, the eccentric mechanism is an eccentric wheel; the upper part of the gap position is an upper plunger, the lower part of the gap position is a lower plunger, the eccentric wheel eccentrically rotates under the driving of a corresponding output gear of the gear transmission mechanism, and the peripheral area of the pump body relative to the plungers is a pressurizing cavity;
when the connecting part is a cylindrical pin, the eccentric mechanism is a crank connecting rod; the crank connecting rod moves under the driving of a corresponding output gear of the gear transmission mechanism, the cavity at two ends of the pump body relative to the plunger is divided into two pressurizing cavities, each pressurizing cavity is provided with an independent first one-way valve connected with a liquid inlet cavity at a corresponding position, and each pressurizing cavity is provided with an independent second one-way valve connected with a liquid outlet cavity at a corresponding position;
when the connecting part is the end of the plunger, the eccentric mechanism is a cam;
the eccentricity of the eccentric mechanism is between 0.8mm and 18 mm;
the gear ratio of the gear transmission mechanism 30 is 1: 1-1: 16.5 or less;
the rotating speed of the motor 29 is between 2000rpm and 40000 rpm;
the power supply connecting piece 24 is a battery pack interface or/and a power supply connecting wire;
an installation positioning part 53 is arranged in the inner cavity of the shell 5, and the installation positioning part 53 is used for positioning and installing the motor component 3.
Referring to fig. 2, the power connector 24 is embodied as a battery pack interface 241, which further includes a removable power battery 31.
Referring to fig. 3, the power connector 24 is specifically a power connection cord 242 for connecting with an external ac power to supply power to the driving motor.
First embodiment of the booster pump, see fig. 4: the pump is a plunger pump, a plunger structure is arranged in the pump body, when the connecting part of the plunger structure is a gap 32, the eccentric mechanism is an eccentric wheel 33, the eccentric wheel 33 is positioned in the gap 32, the upper part of the position of the gap 32 is an upper plunger 111, the lower part of the position of the gap 32 is a lower plunger 112, the eccentric wheel 33 eccentrically rotates under the driving of a corresponding output gear of the gear transmission mechanism 30, and the peripheral area of the pump body 7 relative to the plungers is a pressurizing cavity 10.
The second embodiment of the booster pump is shown in figure 5: in addition to the first embodiment of the booster pump, the diaphragm sheet 40 is provided on the upper and lower plungers 111 and 112 at positions corresponding to the inner walls of the booster chamber 10.
The third concrete implementation mode of the booster pump is shown in figure 6: the plunger pump is a plunger pump, a plunger is arranged in a pump body, a connecting part is a cylindrical pin 34, an eccentric mechanism is a crank connecting rod 35, the crank connecting rod 35 moves under the driving of a corresponding output gear 30 of a gear transmission mechanism, cavities at two ends of the pump body 7 relative to a plunger 11 are divided into two pressurizing cavities 10, each pressurizing cavity 10 is provided with an independent first one-way valve 16 connected with a liquid inlet cavity 8 at a corresponding position, and each pressurizing cavity 10 is provided with an independent second one-way valve 17 connected with a liquid outlet cavity 9 at a corresponding position.
The fourth concrete implementation mode of the booster pump is shown in figure 7: in addition to the third embodiment of the booster pump, diaphragm sheets 40 are provided at both ends of the plunger 11 corresponding to the inner wall of the booster chamber 10.
The fifth concrete implementation mode of the booster pump is shown in figure 8: the plunger pump is a plunger pump, a plurality of plungers 11 are arranged in a pump body, one end of each plunger 11 is correspondingly provided with a closed pressurizing cavity 10, the other end of each plunger 11 is correspondingly provided with a driving surface which is provided with a swash plate cam 39 in a propping mode, a first elastic reset element 36 is arranged on each plunger 11, and the other end of each plunger 11 is respectively propped at the corresponding height position of the driving surface of the swash plate cam 39.
Sixth embodiment of the booster pump, see fig. 9: in addition to the fifth embodiment of the booster pump, a diaphragm 40 is provided at one end of the plunger 11 corresponding to the inner wall of the booster chamber 10.
The direction of the arrows in the figure is the direction of water flow.
The control assembly 1 and the booster pump 6 are designed independently and connected with each other, a liquid inlet cavity 8 of the booster pump 6 is connected with a water taking device through a liquid inlet joint 13 to realize self-absorption of liquid, and a liquid outlet cavity 10 is connected with an external spraying device 41 through a liquid outlet joint 14 to realize a boosting spraying function; the booster pump 6 is designed independently, can be completely exposed in the air to realize sufficient natural heat dissipation, and the pump body 7 has better cooling; meanwhile, the pump body 7 does not need to be covered, so that the whole machine is smaller in size and lighter in weight; the two points can ensure that the cleaning machine has smaller volume, lighter weight, lower cost and more portability under the same process; the cleaning machine can be in a working state at any time as long as water is available, and high-pressure water flow and enough water flow are output outwards.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (18)
1. The utility model provides a handheld self-priming high pressure cleaner which characterized in that: which comprises
The control assembly comprises a switch trigger, a motor assembly and a shell, wherein the shell covers the motor assembly, and the switch trigger controls the start and stop of the motor assembly;
the booster pump comprises a pump body, a liquid inlet cavity, a liquid outlet cavity, a boosting cavity and a plunger;
the booster pump is arranged outside the output end of a motor component of the control component, a pump body of the booster pump is arranged at an exposed positioning position of the corresponding end of the control component, liquid is connected with an inlet of the liquid inlet cavity through a liquid inlet connecting structure, and the output end of the motor component is connected with a driving position of the plunger;
the liquid inlet joint is connected with a liquid inlet end of the liquid inlet connecting structure;
and the liquid outlet joint is connected with the outlet end of the liquid outlet cavity through a liquid outlet connecting structure.
2. The hand-held self-priming high pressure cleaner of claim 1, wherein: the booster pump is specifically a plunger pump; plunger pump contains at least one feed liquor chamber, at least one play sap cavity, at least one pressure boost chamber and at least one plunger, the feed liquor chamber with be provided with first check valve between the pressure boost chamber that corresponds, first check valve makes the one-way inflow pressure boost chamber of the liquid intracavity of feed liquor, go out the sap cavity with be provided with the second check valve between the pressure boost chamber that corresponds, the second check valve makes the one-way inflow play sap cavity of the liquid in the pressure boost chamber.
3. The hand-held self-priming high pressure cleaner of claim 1, wherein: the booster pump is specifically a diaphragm pump; the diaphragm pump contains the plunger of at least one feed liquor chamber, at least one play sap cavity, at least one pressure boost chamber, at least one diaphragm piece and the drive diaphragm piece that corresponds, the feed liquor chamber with be provided with first check valve between the pressure boost chamber that corresponds, first check valve makes the one-way inflow pressure boost chamber of liquid in the feed liquor intracavity, go out the sap cavity with be provided with the second check valve between the pressure boost chamber that corresponds, the second check valve makes the one-way inflow of liquid in the pressure boost chamber go out the sap cavity.
4. The hand-held self-priming high pressure cleaner of claim 1, wherein: one end of the liquid outlet joint, which is far away from the liquid outlet cavity, is provided with a liquid outlet quick joint which is of a buckle structure or a spiral structure.
5. The hand-held self-priming high pressure cleaner of claim 1, wherein: the one end of feed liquor joint keeping away from feed liquor connection structure is provided with the feed liquor quick-connect joint, the feed liquor quick-connect joint specifically is buckle structure or helical structure.
6. The hand-held self-priming high pressure cleaner of claim 1, wherein: the motor assembly is arranged in an inner cavity of the shell, the motor assembly, the switch and the circuit connecting piece are arranged in the inner cavity of the shell, the power connecting piece is connected with the input end of the motor assembly through the circuit connecting piece and the switch, the shell further comprises a holding part, and a switch trigger activity avoiding area is arranged at the position, corresponding to the holding part, of the shell.
7. The hand-held self-priming high pressure cleaner of claim 6, wherein: the switch trigger is connected with the corresponding positioning position of the shell through the rotating shaft, the handle part of the switch trigger is positioned in the switch trigger activity avoiding area, and the driving surface of the handle part is arranged towards the lock catch and the switch driving rod.
8. The hand-held self-priming high pressure cleaner of claim 1, wherein: each of the plungers is provided with a connecting portion.
9. The hand-held self-priming high pressure cleaner of claim 8, wherein: the motor assembly comprises a motor and a transmission mechanism, and the transmission mechanism is the output end of the motor assembly; the transmission mechanism is a gear transmission mechanism, and the arrangement number and the position of the gear transmission mechanism are determined according to the number of the plungers and the positions of the connecting parts of the plungers.
10. A hand-held self-priming high pressure washer according to claim 9, wherein: the connecting part is connected with the transmission mechanism through an eccentric mechanism.
11. A hand-held self-priming high pressure washer according to claim 10, wherein: when the connecting part is a notch, the eccentric mechanism is an eccentric wheel.
12. A hand-held self-priming high pressure washer according to claim 10, wherein: when the connecting portion is a cylindrical pin, the eccentric mechanism is a crank link.
13. A hand-held self-priming high pressure washer according to claim 10, wherein: when the connecting portion is an end of a plunger, the eccentric mechanism is a cam.
14. A hand-held self-priming high pressure washer according to claim 10, wherein: the eccentric amount of the eccentric mechanism is between 0.8mm and 18 mm.
15. A hand-held self-priming high pressure washer according to claim 9, wherein: the transmission ratio of the gear transmission mechanism is 1: 1-1: 16.5.
16. The hand-held self-priming high pressure cleaner of claim 6, wherein: the power supply connecting piece is specifically a battery pack interface.
17. The hand-held self-priming high pressure cleaner of claim 6, wherein: the power supply connecting piece is specifically a power supply connecting wire.
18. The hand-held self-priming high pressure cleaner of claim 1, wherein: and an installation positioning part is arranged in the inner cavity of the shell and used for positioning and installing the motor assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920387128.6U CN210178526U (en) | 2019-03-26 | 2019-03-26 | Handheld self-suction type high-pressure cleaning machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920387128.6U CN210178526U (en) | 2019-03-26 | 2019-03-26 | Handheld self-suction type high-pressure cleaning machine |
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| CN210178526U true CN210178526U (en) | 2020-03-24 |
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| CN201920387128.6U Active CN210178526U (en) | 2019-03-26 | 2019-03-26 | Handheld self-suction type high-pressure cleaning machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763954A (en) * | 2019-03-26 | 2019-05-17 | 苏州甘泰精密机械有限公司 | A kind of hand-held self sucking high-pressure cleaning machine |
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2019
- 2019-03-26 CN CN201920387128.6U patent/CN210178526U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763954A (en) * | 2019-03-26 | 2019-05-17 | 苏州甘泰精密机械有限公司 | A kind of hand-held self sucking high-pressure cleaning machine |
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