CN220705972U - Micropump with pressure controlled safety switch valve - Google Patents
Micropump with pressure controlled safety switch valve Download PDFInfo
- Publication number
- CN220705972U CN220705972U CN202322464182.5U CN202322464182U CN220705972U CN 220705972 U CN220705972 U CN 220705972U CN 202322464182 U CN202322464182 U CN 202322464182U CN 220705972 U CN220705972 U CN 220705972U
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- pump body
- valve core
- valve
- micropump
- connecting piece
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- 239000007788 liquid Substances 0.000 claims abstract description 58
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses a micro pump with a pressure control safety switch valve, which comprises a power input part and a booster pump body, wherein the booster pump body comprises a pump body, the pump body is provided with a liquid inlet channel, a liquid outlet channel, a pump cover and a valve core, the pump cover is provided with a pump cover liquid inlet communicated with the liquid inlet channel and a pump cover liquid outlet communicated with the liquid outlet channel, a buffer liquid flow channel is further arranged between the liquid inlet channel and the liquid outlet channel, the head part of the valve core is positioned in the buffer liquid flow channel, and the tail part of the valve core is connected with a switch connecting piece. According to the utility model, the switch connecting piece is arranged at the tail part of the valve core, and the valve core can drive the switch connecting piece to move along with the increase of the liquid pressure, and the switch connecting piece can trigger the external protection switch to work through the movement of the switch connecting piece, so that the pump body is powered off, and the pump body is protected; when the pressure continues to increase, even if the pump body is not powered off, the valve core head part can be opened from the buffer liquid flow channel, so that pressure relief is realized, and the pump body is prevented from being damaged.
Description
Technical field:
the utility model belongs to the technical field of micropumps of spraying machines, and particularly relates to a micropump with a pressure control safety switch valve.
The background technology is as follows:
the spraying machine is a special coating device for spraying technology, the principle is that the sucked coating is pressurized and then is conveyed into a spray gun of the spraying machine, the spray gun instantly atomizes the coating and then is released to the surface of a coated object, and the spraying machine is suitable for the industries of leather handbag, gift package, furniture, shoe industry, automobile manufacturing and the like.
The pump body is an important component part of the spraying machine, and is mainly used for pressurizing and outputting the sucked paint, the pressure of the paint needs to be constant within a certain pressure range in the working process, and if the pressure is too high, on one hand, the safety problem can exist, and on the other hand, the pump body can be damaged to a certain extent. Therefore, a corresponding control mechanism needs to be set, and when the pressure is too high, the control mechanism can timely respond. On the basis of the fact that the pump body of the existing spraying machine cannot automatically respond when the pressure is too high, the application provides the pump body of the spraying machine, which is provided with the pressure control mechanism, and can timely respond when the pressure is too high.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
The utility model comprises the following steps:
the object of the present utility model is to provide a micropump with a pressure controlled safety switching valve, which overcomes the drawbacks of the prior art described above.
The utility model provides a miniature pump with a pressure control safety switch valve, which comprises a power input part and a booster pump body, wherein the booster pump body comprises a pump body, the pump body is provided with a liquid inlet channel, a liquid outlet channel, a pump cover and a valve core, the pump cover is provided with a pump cover liquid inlet communicated with the liquid inlet channel and a pump cover liquid outlet communicated with the liquid outlet channel, a buffer liquid flow channel is further arranged between the liquid inlet channel and the liquid outlet channel, the head part of the valve core is positioned in the buffer liquid flow channel, and the tail part of the valve core is connected with a switch connecting piece.
Further, preferably, the pump body is further provided with a control valve cover, and the switch connecting piece is located outside the control valve cover and connected with the tail of the valve core.
Further, preferably, the tail part of the valve core is further provided with a limiting plate and a control valve spring, and the control valve spring is positioned in the control valve cover.
Further, preferably, the control valve cover is fixed with the pump body through bolts.
Further, preferably, the outer diameter of the limiting plate is matched with the diameter of the inner wall of the control valve cover.
Further, preferably, the valve core is further provided with at least one sealing ring.
Further, preferably, the switch connector has a convex structure.
Further, preferably, the tail of the valve core is connected with the switch connecting piece through a bolt.
Compared with the prior art, one aspect of the utility model has the following beneficial effects:
(1) According to the utility model, the switch connecting piece is arranged at the tail part of the valve core, the valve core moves along with the increase of the liquid pressure, the valve core moves to drive the switch connecting piece to move, and after the protection switch is arranged outside the switch connecting piece in a matched manner, the protection switch can be triggered to work through the movement of the switch connecting piece, so that the pump body is powered off, and the pump body is protected; when the pressure continues to increase, even if the pump body is not powered off, the valve core head part can be opened from the buffer liquid flow channel, so that pressure relief is realized, and the pump body is prevented from being damaged;
(2) The valve core and the pump body form a whole, the valve core moves along with the change of pressure, the safety control of the pump body can be realized through the movement of the valve core, the whole structure is simple, and the safety performance is good.
Description of the drawings:
FIG. 1 is an overall schematic diagram of a micropump having a pressure controlled safety switching valve according to the present utility model;
FIG. 2 is a schematic diagram of the operation of a micro pump with a pressure controlled safety switching valve according to the present utility model;
FIG. 3 is a schematic diagram of the working principle of a micro pump with a pressure controlled safety switching valve according to the present utility model;
the reference numerals are: the device comprises a 1-power input part, a 2-booster pump body, a 21-pump body, a 22-liquid inlet channel, a 23-liquid outlet channel, a 241-pump cover liquid inlet, a 242-pump cover liquid outlet, a 25-valve core, a 251-limiting plate, a 26-buffer liquid flow channel, a 3-switch connecting piece, a 31-convex structure 31, a 4-control valve cover, a 5-first sealing ring, a 6-second sealing ring, a 7-control valve spring and an 8-protection switch.
The specific embodiment is as follows:
the following detailed description of specific embodiments of the utility model is, but it should be understood that the utility model is not limited to specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
Examples:
as shown in fig. 1-3, a micro pump with a pressure control safety switch valve comprises a power input part 1 and a booster pump body 2, wherein the booster pump body 2 comprises a pump body 21, the pump body 21 is provided with a liquid inlet channel 22, a liquid outlet channel 23, a pump cover and a valve core 25, the pump cover is provided with a pump cover liquid inlet 241 communicated with the liquid inlet channel 22 and a pump cover liquid outlet 242 communicated with the liquid outlet channel 23, a buffer liquid flow channel 26 is further arranged between the liquid inlet channel 22 and the liquid outlet channel 24, the head part of the valve core 25 is positioned in the buffer liquid flow channel 26, and the tail part of the valve core 25 is connected with a switch connecting piece 3; the tail of the valve core 25 and the switch connecting piece 3 can be connected in a mode of being capable of being quickly disassembled and assembled by bolts or screws.
In this embodiment, the valve core 25 has three sections, a head portion, a middle portion and a tail portion, wherein the head portion is located in the buffer flow channel 26 for controlling the opening and closing of the buffer flow channel 26; the tail extends outside the pump body 21 and is connected to the switch connector 3, and when the valve core 25 moves, the switch connector 3 moves along with the valve core.
In this embodiment, the pump body 21 is further provided with a control valve cover 4, and the switch connector 3 is located outside the control valve cover 4 and connected with the tail of the valve core 25; in a normal working state, the tail part of the valve core 25 is positioned in the control valve cover 4, and when the liquid pressure is overlarge, the valve core 25 moves towards the outer part of the control valve cover 4 after being pressed; the control valve cover 4 can play a certain role in protecting the valve core 25.
In this embodiment, the control valve cover 4 and the pump body 1 may be connected by screws, bolts, or the like, and assembly may be rapidly achieved.
In this embodiment, the tail of the valve core 25 is further provided with a limiting plate 251 and a control valve spring 7, the control valve spring 7 is located in the control valve cover 4, and the outer diameter of the limiting plate 201 is matched with the diameter of the inner wall of the control valve cover 4; the limit plate 251 can ensure that the tail of the valve core 25 stably moves in the control valve cover 4, and when the pressure is reduced, the valve core can be automatically reset under the action of the control valve spring 7.
In this embodiment, the first sealing ring 5 and the second sealing ring 6 are respectively disposed on the head portion and the tail portion of the valve core 25, so that the tightness between the head portion of the valve core 25 and the buffer flow channel 26 and the tightness between the tail portion of the valve core 25 and the pump body 1 can be increased.
In this embodiment, the switch connecting member 3 has a protruding structure 31, and when the switch connecting member 3 moves, the protruding structure 31 is more likely to touch the external safety switch.
In this embodiment, the protection switch 8 is mounted on the external part of the switch connector 3, and the pump body 1 is powered off when the protection switch 8 is triggered. The protection switch 8 is electrically connected to the whole device for controlling the on/off of the whole device, which is of prior art and will not be described here.
The same power input 1 provides a power source for the booster pump body 2, which is also known in the art, and is not described here too, the protection part of the present application being the booster pump body 2.
The working principle of the utility model is as follows:
as shown in fig. 2 and 3, under the normal pressure condition, the liquid is ejected from the liquid outlet channel 23 after passing through the liquid inlet 241 and the liquid outlet 242 of the pump cover from the liquid inlet channel 22;
in a high-pressure state, under the condition that the liquid pressure continuously increases, downward force is generated, the valve core 25 is pushed to move downwards by the force of the control valve spring 7, and when the valve core 25 moves downwards to a certain position, the switch connecting piece 3 connected with the tail part of the valve core 25 can trigger an externally installed safety switch, and the equipment is powered off;
if the device fails to be powered off in time (such as a switch is damaged), the pressure is continuously increased, the valve core 25 continuously moves downwards, and at the moment, the head of the valve core 25 opens the buffer liquid flow channel 26, so that the liquid flow can be increased, the pressure relief is realized, and the pump body 21 is prevented from being damaged.
The valve core and the pump body form a whole, the valve core moves along with the change of pressure, the safety control of the pump body can be realized through the movement of the valve core, the valve core can be directly used as a pressure control safety switch valve, and the valve core has a simple integral structure and good safety performance.
The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a micropump with pressure control relief switch valve, includes power input portion and booster pump body, its characterized in that: the booster pump body comprises a pump body, the pump body is provided with a liquid inlet channel, a liquid outlet channel, a pump cover and a valve core, the pump cover is provided with a pump cover liquid inlet communicated with the liquid inlet channel and a pump cover liquid outlet communicated with the liquid outlet channel, a buffer liquid flow channel is further arranged between the liquid inlet channel and the liquid outlet channel, the head of the valve core is positioned in the buffer liquid flow channel, and the tail of the valve core is connected with a switch connecting piece.
2. A micropump having a pressure controlled safety switching valve according to claim 1 wherein: and the pump body is also provided with a control valve cover, and the switch connecting piece is positioned outside the control valve cover and connected with the tail part of the valve core.
3. A micropump having a pressure controlled safety shut-off valve according to claim 2, wherein: the tail part of the valve core is also provided with a limiting plate and a control valve spring, and the control valve spring is positioned in the control valve cover.
4. A micropump having a pressure controlled safety shut-off valve according to claim 2, wherein: the control valve cover is fixed with the pump body through bolts.
5. A micropump having a pressure controlled safety shut-off valve according to claim 3, wherein: the external diameter of limiting plate matches with the inner wall diameter of control valve gap.
6. A micropump having a pressure controlled safety switching valve according to any one of claims 1-3, wherein: and at least one sealing ring is also arranged on the valve core.
7. A micropump having a pressure controlled safety switching valve according to any one of claims 1-3, wherein: the switch connecting piece is provided with a convex structure.
8. A micropump having a pressure controlled safety switching valve according to any one of claims 1-3, wherein: the tail of the valve core is connected with the switch connecting piece through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322464182.5U CN220705972U (en) | 2023-09-12 | 2023-09-12 | Micropump with pressure controlled safety switch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322464182.5U CN220705972U (en) | 2023-09-12 | 2023-09-12 | Micropump with pressure controlled safety switch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220705972U true CN220705972U (en) | 2024-04-02 |
Family
ID=90447343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322464182.5U Active CN220705972U (en) | 2023-09-12 | 2023-09-12 | Micropump with pressure controlled safety switch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220705972U (en) |
-
2023
- 2023-09-12 CN CN202322464182.5U patent/CN220705972U/en active Active
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