CN217842689U - Start and stop device in high pressure cleaner - Google Patents
Start and stop device in high pressure cleaner Download PDFInfo
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- CN217842689U CN217842689U CN202221697666.3U CN202221697666U CN217842689U CN 217842689 U CN217842689 U CN 217842689U CN 202221697666 U CN202221697666 U CN 202221697666U CN 217842689 U CN217842689 U CN 217842689U
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- 238000007789 sealing Methods 0.000 claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 241000257303 Hymenoptera Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a start-stop device in a high-pressure washer, which is characterized in that the device comprises a valve body and an inner cavity, the lower end of the inner cavity is connected with a water inlet hole communicated with the inner cavity, one side of the inner cavity is transversely provided with a water outlet hole, the water outlet hole is provided with a back pressure valve, water flow enters the inner cavity from the water inlet hole, and is regulated by the back pressure valve and flows out from the water outlet hole; the inner cavity is provided with a valve rod assembly capable of moving along the axial direction of the valve body, the lower end of the inner cavity is provided with a sealing plug, and the upper end of the sealing plug is provided with a boss; when the valve rod assembly is abutted to the boss of the sealing plug, the valve body is in a sealing state. In the device, after the water pressure is reduced, the valve rod assembly is reset, the valve rod assembly is abutted against the boss of the sealing plug, and the device is in a sealing state, so that water flow can be prevented from flowing into an inner cavity of the valve body in the sealing state; and the thickness of the sealing plug is far greater than that of a common gasket, so that the sealing strength is improved, the replacement of the sealing plug is reduced, and the whole service life of the device is prolonged.
Description
Technical Field
The utility model relates to a high pressure cleaner field especially relates to an opening of high pressure cleaner inside stops device.
Background
The high-pressure cleaning machine is a machine which enables a high-pressure plunger pump to generate high-pressure water through a power device to wash the surface of an object, and can strip and wash away dirt so as to achieve the purpose of cleaning the surface of the object. The traditional high-pressure cleaning machine mainly comprises a spray gun and a plunger type water pump, wherein the on-off control of the spray gun and the on-off control of a water pump power supply are mutually independent, the opening and closing of the spray gun are controlled by a trigger, the starting and closing of the water pump power supply are controlled by a micro switch arranged in the water pump, in the actual use process, when the machine needs to be stopped, the trigger of the spray gun is released, the spray gun stops working, the water pressure in the spray gun is increased, high-pressure water pushes an ejector rod to act, the ejector rod directly abuts against the micro switch or drives a lever to act so that the lever abuts against the micro switch, the water pump is closed, and the spray gun is closed and the water pump power supply is automatically closed; when the trigger of the spray gun is pulled again, the spray gun sprays water outwards, so that the water pressure in the spray gun is reduced, the ejector rod moves back to reset, the microswitch is loosened, and the water pump is restarted.
Most of high-pressure cleaning machine inner cavities usually adopt gaskets at the lower ends of valve rods, and the gaskets are impacted by high-pressure water and impacted by the valve rods after a long time, so that the gaskets are easy to wear; the gasket is worn, which can cause the sealing performance of the device to be affected; or the valve rod directly contacts with the water inlet hole, and the direct collision of the valve rod and the inner cavity can influence the sealing performance of the valve body.
SUMMERY OF THE UTILITY MODEL
To prior art's not enough and defect, provide a high pressure cleaner inside open and stop device, for realizing above-mentioned purpose, the utility model provides a following technical scheme.
The starting and stopping device in the high-pressure cleaning machine is characterized by comprising a valve body and an inner cavity, wherein the lower end of the inner cavity is connected with a water inlet hole communicated with the inner cavity, one side of the inner cavity is transversely provided with a water outlet hole, the water outlet hole is provided with a back pressure valve, water flow enters the inner cavity from the water inlet hole, is regulated by the back pressure valve and flows out of the water outlet hole; the inner cavity is provided with a valve rod assembly capable of moving along the axial direction of the valve body, the lower end of the inner cavity is provided with a sealing plug, and the upper end of the sealing plug is provided with a boss; when the valve rod assembly abuts against the boss of the sealing plug, the valve body is in a sealing state.
In the device, when water enters, high-pressure water pushes the sealing part of the valve rod assembly to move along the axial direction of the connecting cavity through the sealing column, water flows into the inner cavity, and can flow out of the water outlet hole after being regulated by the back pressure valve; when the water pressure is reduced, the valve rod assembly resets and abuts against the boss of the sealing plug, and the device is in a sealing state, so that water flow can be prevented from flowing into the inner cavity of the valve body in the sealing state; and the thickness of the sealing plug is far greater than that of a common gasket, so that the sealing strength is improved, the sealing plug can be impacted for many times without abrasion and deformation, the replacement of the sealing plug is reduced, and the overall service life of the device is prolonged.
Furthermore, the diameter of the upper end face of the boss is consistent with the diameter of the lower end face of the valve rod assembly.
Through the improvement, the diameter of the upper end face of the boss is consistent with that of the lower end face of the valve rod assembly, so that the valve body can be better sealed, and water flow is prevented from overflowing.
Further, the inside of the sealing plug comprises a water inlet section and a communication section, and the diameter of the communication section is consistent with that of the water inlet hole; one end of the water inlet section is connected with the communicating section, and the other end of the water inlet section is communicated with the inner cavity.
Through the improvement, the water flow of the water inlet can flow into the inner cavity more stably, the impact on the sealing plug caused by the short-time flow of high-pressure water is prevented, and the damage to the sealing plug is further reduced.
Further, the valve rod assembly comprises a sliding part, the inner cavity comprises a sliding cavity, the sliding part can axially slide in the sliding cavity, the sliding cavity comprises a lower limit surface, and the maximum sliding distance of the sliding part is limited by the lower limit surface.
Through the improvement, the sliding part reciprocates along the axial of the valve body in the sliding cavity, the lower limit plays a limiting role in the process of facing the stroke of the sliding part, and when the sliding part of the valve rod assembly contacts with the lower limit surface, the valve rod assembly also just contacts with the sealing plug, so that the valve rod assembly is prevented from being damaged due to excessive offset with the sealing plug.
Further, a magnetic sleeve is arranged at the upper end of the inner wall in a matched mode, a guide hole communicated with the inner cavity is formed in the magnetic sleeve, and the magnetic sleeve is fixed on the inner wall of the valve body in a matched mode through the outer surface of the magnetic sleeve; the magnetic sleeve lower extreme is provided with spacing post, spacing post has restricted the biggest upward sliding distance of sliding part.
Through the improvement, the magnetic sleeve is matched in the inner cavity in a clamping manner, the maximum upward sliding distance of the sliding part of the valve rod assembly is limited by the limiting column at the lower end of the magnetic sleeve, and the electromagnetic controller on the high-pressure cleaning machine is prevented from being damaged due to the fact that the valve rod assembly extends outwards for too long.
Furthermore, the upper end of the magnetic sleeve is connected with an electromagnetic controller, and the electromagnetic controller controls the magnetic sleeve to adsorb the valve rod assembly, so that the valve body is in a communicated state.
Through the improvement, the magnetic sleeve adsorbs the valve rod assembly through the electromagnetic controller, so that the valve rod assembly can be better away from bees, the valve body can be more stably in a communication state, and the condition that the communication is unstable due to unstable water pressure is avoided.
Further, a gasket is arranged between the magnetic sleeve and the valve rod assembly.
Through the improvement, when the magnetic sleeve adsorbs the valve rod assembly, the valve rod assembly can be firstly contacted with the gasket and is buffered through the gasket, so that the direct impact on the sealing plug is reduced, and the abrasion to the sealing plug and the valve rod assembly is reduced.
Furthermore, a spring is arranged between the sealing column and the valve rod assembly, one end of the spring is sleeved on the boss, and the other end of the spring is sleeved on the valve rod assembly.
Through the improvement, when water enters, high-pressure water pushes the valve rod assembly to move axially along the inner cavity, and meanwhile, the electromagnetic controller adsorbs the valve rod assembly through the magnetic sleeve, so that the valve rod assembly moves axially along the valve body, and at the moment, the spring is stretched; when the water pressure is reduced, the valve rod assembly moves and resets along the axial direction of the valve body under the action of the self gravity and the spring; through the spring, can make valve rod assembly can not take place to deflect sliding, through the spring, impact force when can reducing sealed post and valve rod assembly contact moreover plays the cushioning effect.
Further, a first sealing groove is formed in the outer side of the sealing plug, and a first sealing ring is arranged on the outer side of the sealing plug in a matched mode with the inner wall of the valve body; a second sealing groove is formed in the outer side of the sliding part, and a second sealing ring is arranged on the outer side of the sliding part in a matched mode with the inner wall of the valve body; the magnetic sleeve outside is provided with the third seal groove, and with the valve body inner wall cooperation is provided with the third sealing washer.
Through the improvement, the sealing rings respectively act on the sliding part, the sealing column and the outer side of the sealing plug, so that water flow can be prevented from flowing into gaps on two sides, and the sealing effect is further achieved.
Furthermore, the sliding cavity is provided with an exhaust hole communicated with the water outlet hole.
Through the improvement, when the valve rod assembly slides to the guide hole, the air in the sliding cavity can be discharged from the exhaust hole, and in the resetting process, the external air can enter the sliding cavity through the exhaust hole, so that the air pressure in the inner cavity is in a stable state, and the sliding is convenient.
Drawings
FIG. 1 is a sectional view of a start-stop device inside a high pressure washer;
FIG. 2 is a view of the structure of the internal components of the valve body of the start-stop device inside the high-pressure washer;
FIG. 3 is a schematic diagram of a start-stop device valve stem assembly and a seal post inside the high pressure washer;
FIG. 4 is a sectional structure view of a valve body and a valve rod of a start-stop device in the high-pressure cleaning machine;
FIG. 5 is a structural diagram of a stop device sealing plug and an electromagnetic controller inside the high-pressure cleaning machine;
FIG. 6 is an exploded cross-sectional view of a stop and start device sealing plug and valve stem assembly inside a high pressure cleaner;
wherein, 1, a valve body; 2. an inner cavity; 2.1, a sliding cavity; 3. a water inlet hole; 4. a water outlet hole; 4.1, a back pressure valve; 5. a valve stem assembly; 5.1, a sliding part; 5.2, lower limit; 5.11, a first sealing groove; 5.12, a first sealing ring; 6. a sealing plug; 6.1, a boss; 6.2, a second sealing groove; 6.3, a second sealing ring; 6.4, a communicating section; 6.5, a water inlet section; 7. a magnetic sleeve; 7.1, a limiting column; 7.2, a gasket; 7.3, a third sealing groove; 7.4, a third sealing ring; 7.5, a guide hole; 8. an exhaust hole; 9. an electromagnetic controller; 10. a spring.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the start-stop device in the high-pressure washer is characterized by comprising a valve body 1 and an inner cavity 2, wherein the lower end of the inner cavity 2 is connected with a water inlet 3 communicated with the inner cavity 2, one side of the inner cavity 2 is transversely provided with a water outlet 4, the water outlet 4 is provided with a back pressure valve 4.1, water flow enters the inner cavity 2 from the water inlet 3 and flows out of the water outlet 4 through adjustment of the back pressure valve 4.1; the inner cavity 2 is provided with a valve rod assembly 5 capable of moving along the axial direction of the valve body 1, the lower end of the inner cavity 2 is provided with a sealing plug 6, and the upper end of the sealing plug 6 is provided with a boss 6.1; when the valve rod assembly 5 is abutted against the boss 6.1 of the sealing plug 6, the valve body 1 is in a sealing state.
As shown in fig. 1 and 4, the inner cavity 2 comprises a sliding cavity 2.1, and the lower end surface of the sliding cavity 2.1 is matched with the valve rod assembly 5; an exhaust hole 8 communicated with the water outlet hole 4 is further formed in one side of the sliding cavity 2.1, air pressure of the inner cavity 2 is consistent with the outside through the communication of the water outlet hole 4, when the valve rod assembly 5 slides along the upper end direction of the inner cavity 2, air in the inner cavity 2 is extruded and is exhausted to the water outlet hole 4 through the exhaust hole 8, and then the air is exhausted into the atmosphere; during the return movement of the valve stem assembly 5, air may enter through the vent 8 to achieve a relatively constant air pressure in the interior chamber 2.
Rivers pass through inlet opening 3 and flow into inner chamber 2, and 4 departments of apopore are provided with back pressure valve 4.1, adjust through back pressure valve 4.1, can realize getting into inner chamber 2's rivers, flow out from apopore 4, and the existence of back pressure valve 4.1 can make the rivers of apopore 4 can not flow against the current.
As shown in fig. 3, the valve rod assembly 5 comprises a sliding part 5.1, the sliding part 5.1 is arranged in a sliding cavity 2.1 of the inner cavity 2 and can slide longitudinally in the sliding cavity 2.1, and the maximum sliding distance of the sliding part 5.1 is limited by a lower limit surface 5.2 of the sliding cavity 2.1; the outer ring of the sliding part 5.1 is also provided with a first sealing groove 5.11, and a first sealing ring 5.12 is matched on the first sealing groove 5.11.
As shown in fig. 1 and 4, the lower end of the inner cavity 2 is connected with a water outlet hole 4, the diameter of the water outlet hole 4 is smaller than that of the inner cavity 2, a lower end face is formed in the inner cavity 2, a sealing plug 6 is arranged on the lower end face of the inner cavity 2, a through hole is formed in the sealing plug 6, and the through hole is communicated with the water outlet hole 4; the through hole comprises a water inlet section 6.5 and a communicating section 6.4, the diameter of the communicating section 6.4 is consistent with that of the water inlet hole 3, one end of the water inlet section 6.5 is connected with the communicating section 6.4, the other end of the water inlet section is communicated with the inner cavity 2, so that the upper end of the sealing plug 6 is provided with a boss 6.1, and the diameter of the upper end face of the boss 6.1 is consistent with that of the lower end face of the valve rod assembly 5; when the sliding part 5.1 of the valve rod component 5 is propped against the lower limit surface 5.2 of the sliding cavity 2.1, the valve rod component 5 is also propped against the boss 6.1 of the sealing plug 6 to form a sealing state; the outer ring of the sealing plug 6 is also provided with a second sealing groove 6.2, and a second sealing ring 6.3 is matched on the second sealing groove 6.2.
As shown in fig. 1, 5 and 6, the upper end of the inner cavity 2 is matched with a magnetic sleeve 7, the outer side of the magnetic sleeve 7 is in matched contact with the inner wall of the valve body 1 and is fixed at the upper end of the inner cavity 2, a guide hole 7.5 communicated with the inner cavity 2 is arranged in the magnetic sleeve 7, the valve rod assembly 5 is connected with the guide hole 7.5 penetrating through the magnetic sleeve 7, the upper end of the magnetic sleeve 7 is connected with an electromagnetic controller 9, and the electromagnetic controller 9 controls the magnetic sleeve 7 to adsorb the valve rod assembly 5 so as to enable the device to be in an unsealed state; and a third seal groove 7.3 is formed in the outer ring of the magnetic sleeve 7, and a third seal ring 7.4 is matched on the third seal groove 7.3.
As shown in fig. 1 and 2, the inner cavity 2 is provided with a spring 10 between the sealing sleeve and the valve rod assembly 5, one end of the spring 10 is sleeved on the boss 6.1 of the sealing plug 6, and the other end is sleeved on the valve rod assembly 5; initially the spring 10 is in a normal state; when water enters, the high-pressure water pushes the valve rod assembly 5 to move axially along the inner cavity 2, and the spring 10 is in a stretching state; after water pressure reduces, valve rod assembly 5 resets along the axial displacement of valve body 1 under the effect of self gravity and spring 10, and spring 10 also resets, and valve rod assembly 5 offsets with sealing plug 6 just when resetting to normal condition, and the device is in encapsulated situation this moment.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.
Claims (10)
1. The starting and stopping device in the high-pressure cleaning machine is characterized by comprising a valve body (1) and an inner cavity (2), wherein the lower end of the inner cavity (2) is connected with a water inlet hole (3) communicated with the inner cavity (2), one side of the inner cavity (2) is transversely provided with a water outlet hole (4), the water outlet hole (4) is provided with a back pressure valve (4.1), water flow enters the inner cavity (2) from the water inlet hole (3) and flows out of the water outlet hole (4) through adjustment of the back pressure valve (4.1); the inner cavity (2) is provided with a valve rod assembly (5) capable of moving along the axial direction of the valve body (1), the lower end of the inner cavity (2) is provided with a sealing plug (6), and the upper end of the sealing plug (6) is provided with a boss (6.1); when the valve rod assembly (5) is abutted against the boss (6.1) of the sealing plug (6), the valve body (1) is in a sealing state.
2. A start-stop device inside a high-pressure washer according to claim 1, characterized in that the diameter of the upper end surface of the boss (6.1) coincides with the diameter of the lower end surface of the valve stem assembly (5).
3. The start-stop device for the interior of a high-pressure washer according to claim 2, characterized in that the sealing plug (6) comprises a water inlet section (6.5) and a communication section (6.4), and the diameter of the communication section (6.4) is consistent with that of the water inlet hole (3); one end of the water inlet section (6.5) is connected with the communicating section (6.4), and the other end is communicated with the inner cavity (2).
4. The start-stop device for the interior of a high-pressure washer according to claim 1, characterized in that the valve rod assembly (5) comprises a sliding part (5.1), the inner chamber (2) comprises a sliding chamber (2.1), the sliding part (5.1) is axially slidable in the sliding chamber (2.1), the sliding chamber (2.1) comprises a lower limit surface (5.2), and the lower limit surface (5.2) limits the maximum sliding distance of the sliding part (5.1).
5. The internal start-stop device of the high-pressure cleaning machine according to claim 4, characterized in that a magnetic sleeve (7) is arranged at the upper end of the inner cavity (2) in a matched manner, the magnetic sleeve (7) is provided with a guide hole (7.5) communicated with the inner cavity (2), and the magnetic sleeve (7) is fixed on the inner wall of the valve body (1) in a matched manner through the outer surface; the magnetic sleeve (7) lower extreme is provided with spacing post (7.1), spacing post (7.1) have restricted the biggest upward sliding distance of sliding part (5.1).
6. The inside start-stop device of high pressure cleaner according to claim 5, characterized in that, the upper end of the magnetic sleeve (7) is connected with an electromagnetic controller (9), and the electromagnetic controller (9) controls the magnetic sleeve (7) to adsorb the valve rod assembly (5), so that the valve body (1) is in a communicating state.
7. A start-stop arrangement inside a high-pressure washer according to claim 5, characterized in that a washer (7.2) is arranged between the magnetic sleeve (7) and the valve stem assembly (5).
8. A start-stop device inside a high-pressure washer according to claim 1, characterized in that a spring is arranged between the sealing plug (6) and the valve stem assembly (5), one end of the spring is sleeved on the boss (6.1) and the other end is sleeved on the valve stem assembly (5).
9. The start-stop device for the interior of the high-pressure cleaning machine according to claim 5, characterized in that a first sealing groove (5.11) is arranged on the outer side of the sealing plug (6), and a first sealing ring (5.12) is arranged on the inner wall of the valve body (1) in a matching manner; a second sealing groove (6.2) is formed in the outer side of the sliding part (5.1), and a second sealing ring (6.3) is arranged on the inner wall of the valve body (1) in a matched mode; the outer side of the magnetic sleeve (7) is provided with a third sealing groove (7.3), and a third sealing ring (7.4) is arranged on the inner wall of the valve body (1) in a matched mode.
10. The start-stop device for the interior of the high-pressure cleaning machine according to claim 4, characterized in that the sliding chamber (2.1) is provided with an air outlet hole (8) which is communicated with the water outlet hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221697666.3U CN217842689U (en) | 2022-07-01 | 2022-07-01 | Start and stop device in high pressure cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221697666.3U CN217842689U (en) | 2022-07-01 | 2022-07-01 | Start and stop device in high pressure cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842689U true CN217842689U (en) | 2022-11-18 |
Family
ID=84034787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221697666.3U Active CN217842689U (en) | 2022-07-01 | 2022-07-01 | Start and stop device in high pressure cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842689U (en) |
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2022
- 2022-07-01 CN CN202221697666.3U patent/CN217842689U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315000 Wanzhong Village, Jishigang Town, Haishu District, Ningbo City, Zhejiang Province Patentee after: Ningbo Junhe Clean Technology Co.,Ltd. Address before: 315000 Wanzhong Village, Jishigang Town, Haishu District, Ningbo City, Zhejiang Province Patentee before: CAN SEOUL ELECTRIC TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |