CN210623050U - Single plunger pump with gun-closing and stopping functions - Google Patents
Single plunger pump with gun-closing and stopping functions Download PDFInfo
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- CN210623050U CN210623050U CN201920988954.6U CN201920988954U CN210623050U CN 210623050 U CN210623050 U CN 210623050U CN 201920988954 U CN201920988954 U CN 201920988954U CN 210623050 U CN210623050 U CN 210623050U
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- overflow valve
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Abstract
The utility model discloses a single plunger pump with a gun-closing shutdown function, which comprises a single plunger pump, wherein a gun-closing shutdown mechanism is arranged on the pump head of the single plunger pump; the gun closing and stopping mechanism comprises a water outlet body, an overflow valve assembly and a main check valve assembly, wherein the overflow valve assembly is arranged in the water outlet body, the main check valve assembly is arranged in the water outlet body, a water inlet channel, a water outlet channel and an overflow cavity are arranged in the water outlet body, the water inlet channel is communicated to a water inlet through the overflow cavity, the main check valve assembly is arranged between the water outlet channel and the water outlet so that water flows out through the water outlet in a single direction, a communication port is formed between the overflow cavity and the water outlet, the overflow valve assembly comprises an overflow valve body, an overflow valve core and an overflow valve spring, the overflow valve core is arranged in the overflow cavity and extends out of the overflow valve body, the overflow valve spring is sleeved on the overflow valve core. The utility model provides a close rifle stop device improves the cleaning efficiency, and it is extravagant to reduce the energy.
Description
Technical Field
The utility model relates to a spraying equipment technical field, in particular to take single-plunger pump of relevant rifle shutdown function.
Background
At present, a cleaning machine using a single plunger pump as power is mainly used on a handheld high-pressure gun, a microswitch is directly triggered to open and close through the opening and closing of a trigger to realize the opening and closing of the machine, and the mechanism cannot well realize large-area cleaning through a high-pressure extension pipe.
Disclosure of Invention
In order to solve the problems of the prior art, the utility model aims to provide a take single-plunger pump of relevant rifle shutdown function, can adopt high-pressure extension pipe to wash the large tracts of land and wash.
Based on the above problem, the utility model provides a technical scheme is:
the single plunger pump with the gun closing and stopping function comprises a single plunger pump, wherein a gun closing and stopping mechanism is installed on a pump head of the single plunger pump.
In some embodiments, the gun shutting down mechanism includes a water outlet body, an overflow valve assembly disposed in the water outlet body, and a main check valve assembly disposed in the water outlet body, the water outlet body is provided with a water inlet channel, a water outlet channel, and an overflow cavity, the water inlet channel is communicated with the water inlet via the overflow cavity, the main check valve assembly is disposed between the water outlet channel and the water outlet so as to enable water to flow out via the water outlet in a single direction, a communication port is disposed between the overflow cavity and the water outlet, the overflow valve assembly includes an overflow valve body, an overflow valve core disposed in the overflow cavity and extending out of the overflow valve body, and an overflow valve spring sleeved on the overflow valve core, two ends of the overflow valve spring respectively abut against the overflow valve body and the overflow valve core to seal the communication port, when the gun is shut, the main check valve closes water outlet, the back flushing pressure compresses the overflow valve spring to enable the overflow valve core to move, the overflow valve core contacts a water pump switch to close the water pump, and meanwhile the water outlet is communicated with the overflow cavity.
In some embodiments, a check valve cavity is disposed between the water outlet passage and the water outlet, the main check valve assembly is disposed in the check valve cavity, the main check valve assembly includes a main check valve core and a main check valve spring, and the main check valve spring is disposed between the main check valve core and an inner wall of the check valve cavity to enable the main check valve sealing ring to be in sealing fit with an inlet of the check valve cavity.
In some embodiments, the water outlet body is provided with a process hole communicated to the one-way valve cavity, the process hole is internally and threadedly connected with a plug, and one end of the main one-way valve spring is fixed on the plug.
In some embodiments, a first sealing ring is disposed between the overflow valve body and the water outlet body, and a second sealing ring is disposed between the overflow valve core and the overflow valve body.
In some embodiments, the outlet of the water inlet channel is connected to the inlet of the single plunger pump, and the inlet of the water outlet channel is connected to the outlet of the single plunger pump.
In some embodiments, a third sealing ring is disposed between the water outlet body and the mounting surface of the pump head.
In some embodiments, the single plunger pump comprises a pump body, an inlet chamber, an outlet chamber, and a plunger disposed in the inlet chamber, wherein the plunger is in driving connection with a cam on a power output shaft of a speed reduction motor.
In some embodiments, the body of water is secured to the pump head via a U-shaped pin.
In some embodiments, the plunger pump further comprises a micro switch device fixed on the water outlet body, the micro switch device comprises a micro switch box, a micro switch arranged in the micro switch box, and a micro switch push rod, the micro switch is connected with a circuit of the plunger pump, the micro switch push rod corresponds to the overflow valve core, and when the overflow valve core moves, the micro switch push rod is pushed to move towards the micro switch, so that an internal contact of the micro switch is disconnected to cut off the circuit of the plunger pump.
In some of these embodiments, the microswitch device is secured to the body of water via a clevis pin.
Compared with the prior art, the utility model has the advantages that:
adopt the technical scheme of the utility model, installation gun shutdown mechanism is closed on the pump head of single plunger pump, can adopt extension high-voltage tube to use, in order to wash bigger tracts of land, improve the cleaning efficiency, when closing the spray gun, stop out water, total check valve will go out the water passageway and close, produce instantaneous high pressure, make overflow valve core rebound and promote the micro-gap switch of being connected with single plunger pump power in order to close single plunger pump, reach the effect of closing the gun shutdown, avoid single plunger pump invalid work, energy can be saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a single plunger pump with a gun-closing and stopping function according to the present invention;
fig. 2 is a schematic structural view of another direction of the embodiment of the present invention;
FIG. 3 is a schematic structural view of a gun-closing shutdown mechanism in an embodiment of the present invention;
wherein:
1. discharging the water body; 1-1, a water inlet channel; 1-2, a water outlet channel; 1-3, an overflow cavity; 1-4, a one-way valve cavity; 1-5, a water inlet; 1-6, a water outlet;
2. an overflow valve assembly; 2-1, an overflow valve body; 2-2, an overflow valve core; 2-2a, an overflow valve rod; 2-2b, a plugging part; 2-3, an overflow valve spring;
3. a main check valve assembly; 3-1, a main one-way valve core; 3-2, a total one-way valve spring; 3-3, a one-way valve sealing ring;
4. a plug;
5. a microswitch device; 5-1, a microswitch box; 5-2, a microswitch; 5-3, a microswitch push rod;
6. a single plunger pump; 6-1, a pump body; 6-1a, pump head; 6-2, a water inlet chamber; 6-3, a suction chamber; 6-4, a water outlet chamber; 6-5, plunger;
7. a reduction motor;
8. a U-shaped pin;
9. a first seal ring;
10. a second seal ring;
11. a third seal ring;
12. a cam.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Referring to fig. 1-3, for the structural schematic diagram of the embodiment of the present invention, a single plunger pump with a gun shutdown function is provided, which includes a single plunger pump 6, and a gun shutdown mechanism is installed on a pump head 6-1a of the single plunger pump 6.
Wherein, the gun-closing stopping mechanism comprises a water outlet body 1, an overflow valve component 2 arranged in the water outlet body 1 and a main check valve component 3 arranged in the water outlet body 1, a water inlet channel 1-1, a water outlet channel 1-2 and an overflow cavity 1-3 are arranged in the water outlet body 1, the water inlet channel 1-1 is communicated with a water inlet 1-5 through the overflow cavity 1-3, the main check valve component 3 is arranged between the water outlet channel 1-2 and the water outlet 1-6 to enable water to flow out through the water outlet 1-6 in a one-way manner, a communication port is arranged between the overflow cavity 1-3 and the water outlet 1-6, the overflow valve component 2 comprises an overflow valve body 2-1 arranged in the water outlet body 1, an overflow valve core 2-2 arranged in the overflow cavity 1-3 and extending to the outside of the overflow valve body 2-1 and an overflow valve spring 2-3 sleeved on the overflow valve core 2-2, two ends of an overflow valve spring 2-3 are respectively abutted against an overflow valve body 2-1 and an overflow valve core 2-2 to enable the overflow valve core 2-2 to seal a communication port, so that under a normal working state, an overflow cavity 1-3 is separated from a water outlet 1-6, when a gun is shut down, a main check valve assembly 3 closes water outlet, the recoil pressure compresses the overflow valve spring 2-3 to enable the overflow valve core 2-2 to move, the overflow valve core 2-2 contacts a pump switch to close a pump, and meanwhile, the water outlet is communicated with the overflow cavity 1-3.
The overflow valve core 2-2 comprises a valve core rod 2-2a and a plugging portion 2-2b arranged at the end of the valve core rod 2-2a, the valve core rod 2-2a is cylindrical, the outer diameter of the plugging portion 2-2b is larger than that of the valve core rod 2-2a and is matched with the conical surface of the communicating port, and the overflow valve spring 2-3 is positioned between the plugging portion 2-2b and the overflow valve body 2-1.
For the sealing performance of the overflow valve assembly 2, a first sealing ring 9 is arranged between the overflow valve body 2-1 and the water outlet body 1, and a second sealing ring 10 is arranged between the valve core rod 2-2a and the overflow valve body 2-1.
A one-way valve cavity 1-4 is arranged between the water outlet channel 1-2 and the water outlet 1-6, a total one-way valve component 3 is arranged in the one-way valve cavity 1-4, the total one-way valve component 3 comprises a total one-way valve core 3-1 and a total one-way valve spring 3-2, the total one-way valve spring 3-2 is arranged between the total one-way valve core 3-1 and the inner wall of the one-way valve cavity 1-4 to enable a total one-way valve sealing ring 3-3 to be in sealing fit with the inlet of the one-way valve cavity 1-4, a sealing ring can be arranged on the total one-way valve core 3-1, when the water outlet works normally, the water inlet feeds water, the total one-way valve core 3-1 moves under the hydraulic pressure work, so that the water outlet channel 1-2 is communicated with the water, when the gun is shut down, the main one-way valve core 3-1 closes water outlet, the back flushing pressure compresses the overflow valve spring 2-3 to move the overflow valve core 2-2, the overflow valve core 2-2 contacts a water pump switch to close the water pump, and meanwhile, the water outlet 1-6 is communicated with the overflow cavity 1-3.
In the embodiment, a process hole communicated with a one-way valve cavity 1-4 is formed in the water outlet body 1, a plug 4 is connected in the process hole in a threaded mode, one end of a main one-way valve spring 3-2 is fixed to the plug 4, and the other end of the main one-way valve spring is fixed to a main one-way valve core 3-1.
The water outlet body 1 is arranged on a pump head 6-1a of the single plunger pump 6, an outlet of the water inlet channel 1-1 is communicated to an inlet of the plunger pump 61-2, an inlet of the water outlet channel is communicated to an outlet of the single plunger pump 6, when the single plunger pump 6 works, inlet water of the water inlet 1-5 enters the inlet of the single plunger pump 6 through the water inlet channel 1-1, then enters the water outlet channel 1-2 through the outlet of the single plunger pump 6, and enters the spray gun for cleaning through the water outlet 1-6 after passing through the main check valve assembly 3.
The water outlet body 1 is fixed on the pump head 6-1a through a U-shaped pin 8, and a third sealing ring 11 is arranged between the water outlet body 1 and the mounting surface of the pump head 6-1a in order to ensure the mounting tightness.
The single plunger pump 6 comprises a pump body 6-1, a water inlet chamber 6-2, a suction chamber 6-3, a water outlet chamber 6-4 and a plunger 6-5, wherein the water inlet chamber 6-2, the suction chamber 6-3 and the water outlet chamber are arranged in the pump body 6-1, the plunger 6-5 is arranged in the suction chamber 6-3, and the plunger 6-5 is in transmission connection with a cam 12 on a power output shaft of a speed reducing motor 7. Gear motor 7 is prior art, including planetary reducer and motor, the utility model discloses no longer describe.
The device also comprises a micro-switch device 5 fixed on the water outlet body 1, wherein in the embodiment, the micro-switch device 5 is fixed on the water outlet body 1 through a U-shaped pin 8. The micro switch device 5 comprises a micro switch box 5-1, a micro switch 5-2 arranged in the micro switch box 5-1, and a micro switch push rod 5-3, the micro switch 5-2 is connected with the circuit of the single plunger pump 6, the micro switch push rod 5-3 is corresponding to the overflow valve core 2-2, when the overflow valve core 2-2 moves, the micro switch push rod 5-3 is pushed to move to the micro switch 5-2, so that the internal contact of the micro switch 5-2 is disconnected to cut off the circuit of the single plunger pump 6, the connection between the micro switch 5-2 and the circuit of the single plunger pump 6 is the prior art, namely the micro switch 5-2, the motor 7 of the single plunger pump 6, the main switch and the power supply are connected into a loop, which is not described in detail again.
The above examples are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable the person skilled in the art to understand the contents of the present invention and to implement the present invention, and thus the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. Single plunger pump with shut down function about rifle, including single plunger pump (6), its characterized in that: a gun closing shutdown mechanism is arranged on a pump head (6-1a) of the single plunger pump (6);
the gun shutting and stopping mechanism comprises a water outlet body (1), an overflow valve assembly (2) arranged in the water outlet body (1) and a total check valve assembly (3) arranged in the water outlet body (1), wherein a water inlet channel (1-1), a water outlet channel (1-2) and an overflow cavity (1-3) are arranged in the water outlet body (1), the water inlet channel (1-1) is communicated with a water inlet (1-5) through the overflow cavity (1-3), the total check valve assembly (3) is arranged between the water outlet channel (1-2) and a water outlet (1-6) so that water flows out through the water outlet (1-6) in a one-way manner, a communication port is arranged between the overflow cavity (1-3) and the water outlet (1-6), and the overflow valve assembly (2) comprises an overflow valve body (2-1), An overflow valve core (2-2) arranged in the overflow cavity (1-3) and extending to the outside of the overflow valve body (2-1), and an overflow valve spring (2-3) sleeved on the overflow valve core (2-2), two ends of the overflow valve spring (2-3) are respectively abutted against the overflow valve body (2-1) and the overflow valve core (2-2) to enable the overflow valve core (2-2) to seal the communication port, when the gun is shut down, the main check valve component (3) closes water outlet, the back flushing pressure compresses the overflow valve spring (2-3) to enable the overflow valve core (2-2) to move, the overflow valve core (2-2) contacts a water pump switch to close the water pump, and meanwhile, the water outlet (1-6) is communicated with the overflow cavity (1-3).
2. The single plunger pump with gun shutdown function of claim 1, wherein: a one-way valve cavity (1-4) is arranged between the water outlet channel (1-2) and the water outlet (1-6), the main one-way valve assembly (3) is arranged in the one-way valve cavity (1-4), the main one-way valve assembly (3) comprises a main one-way valve core (3-1) and a main one-way valve spring (3-2), and the main one-way valve spring (3-2) is positioned between the main one-way valve core (3-1) and the inner wall of the one-way valve cavity (1-4) to enable a main one-way valve sealing ring (3-3) to be in sealing fit with an inlet of the one-way valve cavity (1-4).
3. The single plunger pump with gun shut down function of claim 2 wherein: the water outlet body (1) is provided with a process hole communicated to the one-way valve cavity (1-4), the process hole is internally in threaded connection with a plug (4), and one end of the main one-way valve spring (3-2) is fixed on the plug (4).
4. The single plunger pump with gun shutdown function of claim 1, wherein: a first sealing ring (9) is arranged between the overflow valve body (2-1) and the water outlet body (1), and a second sealing ring (10) is arranged between the overflow valve core (2-2) and the overflow valve body (2-1).
5. The single plunger pump with gun shutdown function of claim 1, wherein: the outlet of the water inlet channel (1-1) is communicated to the inlet of the single plunger pump (6), and the inlet of the water outlet channel (1-2) is communicated to the outlet of the single plunger pump (6).
6. The single plunger pump with gun shutdown function of claim 5, wherein: and a third sealing ring (11) is arranged between the water outlet body (1) and the mounting surface of the pump head (6-1 a).
7. The single plunger pump with gun shutdown function of claim 1, wherein: the single-plunger pump (6) comprises a pump body (6-1), a water inlet chamber (6-2), a suction chamber (6-3), a water outlet chamber (6-4) and a plunger (6-5), wherein the water inlet chamber (6-2), the suction chamber (6-3) and the water outlet chamber (6-4) are arranged in the pump body (6-1), and the plunger (6-5) is arranged in the suction chamber (6-3) and is in transmission connection with a cam (12) on a power output shaft of a speed reducing motor (7).
8. The single plunger pump with gun shutdown function of claim 7, wherein: the overflow valve is characterized by further comprising a micro switch device (5) fixed on the water outlet body (1), wherein the micro switch device (5) comprises a micro switch box (5-1), a micro switch (5-2) arranged in the micro switch box (5-1) and a micro switch push rod (5-3), the micro switch (5-2) is connected with a circuit of the single plunger pump (6), the micro switch push rod (5-3) corresponds to the overflow valve core (2-2), and when the overflow valve core (2-2) moves, the micro switch push rod (5-3) is pushed to move towards the micro switch (5-2), so that an internal contact of the micro switch (5-2) is disconnected to cut off the circuit of the single plunger pump (6).
9. The single plunger pump with gun shutdown function of claim 8, wherein: the micro-switch device (5) is fixed on the water outlet body (1) through a U-shaped pin (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920988954.6U CN210623050U (en) | 2019-06-27 | 2019-06-27 | Single plunger pump with gun-closing and stopping functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920988954.6U CN210623050U (en) | 2019-06-27 | 2019-06-27 | Single plunger pump with gun-closing and stopping functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623050U true CN210623050U (en) | 2020-05-26 |
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ID=70762128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920988954.6U Active CN210623050U (en) | 2019-06-27 | 2019-06-27 | Single plunger pump with gun-closing and stopping functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623050U (en) |
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2019
- 2019-06-27 CN CN201920988954.6U patent/CN210623050U/en active Active
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