CN214234664U - Pressure relief device of spraying machine - Google Patents
Pressure relief device of spraying machine Download PDFInfo
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- CN214234664U CN214234664U CN202021860918.0U CN202021860918U CN214234664U CN 214234664 U CN214234664 U CN 214234664U CN 202021860918 U CN202021860918 U CN 202021860918U CN 214234664 U CN214234664 U CN 214234664U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a pressure relief device of a spraying machine, which comprises a liquid storage tank, wherein a first piston is arranged in the liquid storage tank, the side wall of the liquid storage tank is provided with air holes, the first piston is connected with a connecting seat through a push rod, the upper end of the first piston is provided with a tension spring, the connecting seat is provided with a fastening bolt, the lower end of the right side wall of the liquid storage tank is provided with a three-way water outlet pipe joint, the right end of the water outlet pipe joint is connected with a water outlet pipe, the water outlet pipe is provided with a water outlet valve, the right side of the liquid storage tank is provided with a water return tank, the lower end of the water return tank is provided with a first water return pipe, the upper end of a second piston is connected with an L-shaped push rod, the upper end of the L-shaped push rod is connected with the right end of the connecting seat, the fastening bolt is taken down from the connecting seat, the first piston moves upwards, the air pressure at the lower end of the first piston in the liquid storage tank is discharged into the air through the air holes so as to relieve the air pressure in the liquid storage tank, the liquid medicine in the liquid storage tank through a first recovery pipe, the liquid medicine in the water outlet pipe is prevented from being accumulated to corrode the water outlet pipe, and the service life of the water outlet pipe is prolonged.
Description
Technical Field
The utility model relates to a pressure relief device technical field, specific field is a sprinkler pressure relief device.
Background
Sprinkler, flush coater etc. are the spraying of realizing the liquid medicine through the pressure boost, accomplish the back at clean service, still remain certain pressure in the workbin, still persist certain liquid medicine in the spraying pipeline, if the liquid medicine in the untimely spraying pipeline of cleaing away, the time is long afterwards, thereby the liquid medicine in the pipeline can take place rotten corruption pipeline, cause the damage to the pipeline, influence the life of pipeline, to the problem that proposes more than, so need a sprinkler pressure relief device, the problem mentioned has been solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sprinkler pressure relief device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pressure relief device of a spraying machine comprises a liquid storage tank, wherein a pressure boosting air pump is installed on the left side wall of the liquid storage tank, a first piston is arranged inside the liquid storage tank, air holes are formed in the position, on the outer side wall of the liquid storage tank, of the same horizontal axis line as the first piston, a push rod is fixedly connected to the center of the upper end face of the first piston, one end of a tension spring is symmetrically arranged on the left side and the right side of the upper end face of the first piston, the push rod penetrates through the upper end of the liquid storage tank, a spring seat is symmetrically and fixedly connected to the inner wall of the upper end of the liquid storage tank, the other end of the tension spring is fixedly connected to the lower end of the spring seat, a connecting seat is fixedly connected to the upper end of the push rod, first threaded holes are symmetrically formed in the connecting seat, and fastening bolts are in threaded connections in the two first threaded holes, the upper end of the liquid storage tank and the position corresponding to the two first threaded holes up and down are provided with two second threaded holes, the fastening bolt penetrates through the first threaded holes and is screwed in the second threaded holes, the lower end of the right side wall of the liquid storage tank is provided with a three-way water outlet pipe joint, a first one-way valve is arranged in the three-way water outlet pipe joint, a water outlet pipe is connected to a water outlet at the right end of the water outlet pipe joint, a water outlet valve is arranged on the water outlet pipe, a water return tank is fixedly connected to the right side wall of the liquid storage tank and positioned above the water outlet pipe joint, a first water return pipe is arranged at the lower end of the water return tank, the lower end of the first water return pipe is connected with the upper end water outlet of the three-way water outlet pipe joint, a second one-way valve is arranged in the first water return pipe, a second piston is arranged in the water return tank, and an L-shaped push rod is fixedly connected to the center of the upper end face of the second piston, the upper end of the L-shaped push rod penetrates through the upper end of the water return tank, and the upper end of the L-shaped push rod is fixedly connected with the right end face of the connecting seat.
Preferably, the water outlet pipe is a rubber hose, and the first water return pipe is a PVC hard pipe.
Preferably, a groove is formed in the front surface of the water return tank, glass is installed in the groove, and scale marks are arranged on the surface of the glass.
Preferably, a second water return pipe is arranged on the left side wall of the water return tank, and the left end of the second water return pipe extends into the liquid storage tank.
Preferably, the second water return pipe is a PVC hard pipe, and a third one-way valve is arranged in the second water return pipe.
Compared with the prior art, the beneficial effects of the utility model are that: a pressure relief device of a spraying machine is characterized in that after cleaning service is completed, a water outlet valve and a pressurization air pump are closed, water does not flow out from a water outlet pipe any more, a fastening bolt is taken down from a connecting seat at the moment, the fastening bolt is not fixed at the upper end of a liquid storage tank any more, the air pressure at the lower end of a first piston in the liquid storage tank is larger than the air pressure at the upper end of the first piston at the moment, the first piston moves upwards due to pressure difference, a pulling spring deforms under pressure, the first piston is separated from an air hole on the side wall of the liquid storage tank at the moment, the air pressure at the lower end of the first piston in the liquid storage tank is discharged into the air through the air hole so as to relieve the air pressure in the liquid storage tank, meanwhile, the first piston moves upwards while driving an L-shaped push rod to move upwards through the connecting seat, the L-shaped push rod drives a second piston to move upwards, the air pressure at the lower end of a second piston in a recovery tank is smaller than the air pressure in the water outlet pipe due to pressure difference, the liquid medicine in the blow-out pipe enters the recovery box through the first recovery pipe, so that the liquid medicine in the water outlet pipe is recovered, the liquid medicine in the water outlet pipe is prevented from being accumulated to corrode the water outlet pipe, and the service life of the water outlet pipe is prolonged.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic diagram of the internal structure of the present invention.
In the figure: 1-a liquid storage tank, 2-a booster pump, 3-a first piston, 4-air holes, 5-a push rod, 6-a tension spring, 7-a spring seat, 8-a connecting seat, 9-a first threaded hole, 10-a fastening bolt, 11-a second threaded hole, 12-a three-way water outlet pipe joint, 13-a first one-way valve, 14-a water outlet pipe, 15-a water outlet valve, 16-a water return tank, 17-a first water return pipe, 18-a second one-way valve, 19-a second piston, 20-an L-shaped push rod, 21-glass, 22-a second water return pipe and 23-a third one-way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a pressure relief device of a spraying machine comprises a liquid storage tank 1, wherein the liquid storage tank 1 is a cylindrical tank body, a pressurization air pump 2 is installed on the left side wall of the liquid storage tank 1, the air outlet end of the pressurization air pump 2 is arranged in the liquid storage tank 1, a first piston 3 is arranged inside the liquid storage tank 1, air holes 4 are formed in the outer side wall of the liquid storage tank 1 and are positioned at the position, on the same horizontal axis, with the first piston 3, a push rod 5 is fixedly connected to the center of the upper end face of the first piston 3, one ends of extension springs 6 are symmetrically arranged on the left side and the right side of the push rod 5, the push rod 5 penetrates through the upper end of the liquid storage tank 1, spring seats 7 are symmetrically and fixedly connected to the inner wall of the upper end of the liquid storage tank 1, the other ends of the extension springs 6 are fixedly connected to the lower ends of the spring seats 7, when the air pressure in the liquid storage tank 1 is the same as the external air pressure, the air holes 4 are completely blocked by the first piston 3, the air storage tank is characterized in that outside air is placed into the liquid storage tank 1, the upper end of the push rod 5 is fixedly connected with a connecting seat 8, first threaded holes 9 are symmetrically formed in the connecting seat 8, fastening bolts 10 are connected in threaded connection with the two first threaded holes, two second threaded holes 11 are formed in the upper end of the liquid storage tank 1 and in positions corresponding to the two first threaded holes 9 up and down, the fastening bolts penetrate through the first threaded holes 9 and are screwed in the second threaded holes 11, the lower ends of the fastening bolts 10 are screwed in the second threaded holes through screwing the fastening bolts 10, so that the position of the connecting seat 8 is fixed, after the position of the connecting seat 8 is fixed, the position of the first piston 3 is fixed, a three-way water outlet pipe connector 12 is arranged at the lower end of the right side wall of the liquid storage tank 1, a first check valve 13 is arranged in the three-way water outlet pipe connector 12, and a water outlet pipe 14 is connected to the right-end water outlet pipe connector 12, the first one-way valve 13 can prevent water in the water outlet pipe 14 from reversely flowing into the liquid storage tank 1, the water outlet pipe 14 is provided with a water outlet valve 15, the water outlet pipe 14 is controlled by the water outlet valve 15 to spray liquid medicine, the right side wall of the liquid storage tank 1 and positioned above the water outlet pipe joint 12 are fixedly connected with a water return tank 16, the water return tank 16 is used for collecting the liquid medicine remained in the water outlet pipe 14, the lower end of the water return tank 16 is provided with a first water return pipe 17, the lower end of the first water return pipe 17 is connected with the upper end water outlet of the three-way water outlet pipe joint 12, the first water return pipe 17 is internally provided with a second one-way valve 18, the liquid medicine remained in the water outlet pipe 14 enters the water return tank 16 through the first water return pipe 17, the second one-way valve 18 prevents the liquid medicine collected in the water return tank 16 from reversely flowing into the water outlet pipe 14, the water return tank 16 is internally provided with a second piston 19, the center of the upper end surface of the second piston 19 is fixedly connected with an L-shaped push rod 20, the upper end of the L-shaped push rod 20 penetrates through the upper end of the water return tank 16, the upper end of the L-shaped push rod 20 is fixedly connected with the right end face of the connecting seat 8, when the device is used, the fastening bolt 10 is fixed in the second threaded hole 11, so that the position of the connecting seat 8 is fixed, the connecting seat 8 is fixedly connected with the first piston 3 through the push rod 5, the position of the first piston 3 is then fixed, at the moment, the air holes in the side wall of the liquid storage tank 1 are completely blocked by the first piston 3, external air is prevented from entering, the pressurization air pump 2 is started, the internal pressure of the liquid storage tank 1 is increased, as the position of the first piston 3 is fixed, liquid medicine in the liquid storage tank 1 enters the water outlet pipe 14 through the three-way water outlet pipe joint 12, as the L-shaped push rod 20 is fixedly connected with the connecting seat 8, the position of the damaged L-shaped push rod 20 cannot change, and the position of the second piston 19 cannot change, therefore, the liquid medicine in the liquid storage tank 1 cannot enter the water return tank 16, the liquid medicine in the water storage tank 1 only passes through the water outlet pipe 14, the water outlet valve 15 is opened, the liquid medicine flows out from the water outlet of the water outlet pipe 14, thereby carrying out cleaning service, after the cleaning service is completed, the water outlet valve 15 is closed, at the moment, the water outlet pipe 14 does not flow out any more, at the moment, a certain pressure remains in the material storage tank 1, a certain liquid medicine remains in the water outlet pipe 14, at the moment, the fastening bolt 10 is dismounted, the fastening bolt 10 does not fix the connecting seat 8 any more, the pressure in the material storage tank 1 and below the first piston 3 is greater than the pressure above the first piston 3, due to the pressure difference, the first piston 3 moves upwards, the first piston 3 is separated from the air vent 4 on the material storage tank 1, the high air pressure in the liquid storage tank 1 flows out through the air vent 4, thereby dismounting the pressure in the material storage tank 1, the first piston 3 drives the push rod 5 to move upwards while moving, push rod 5 drives connecting seat 8 rebound, connecting seat 8 drives L type push rod 20 rebound, L type push rod 20 drives second piston 19 rebound, when second piston 19 rebound, the volume increase of second piston 19 lower extreme in return water tank 16, because the volume increases, pressure diminishes, and the pressure in outlet pipe 14 is greater than the pressure in return water tank 16 this moment, the liquid medicine in outlet pipe 14 is pressed into return water tank 16 to retrieve the remaining liquid medicine in outlet pipe 14.
Particularly, outlet pipe 14 is rubber hose, when spraying the medicine, can change the direction of spraying of medicine, and more convenience, first return pipe 17 are the PVC hard tube, and first return pipe 17 prevents that first return pipe 17 from buckling when retrieving the remaining liquid medicine in outlet pipe 14, influences the liquid medicine and retrieves the effect.
Specifically, a groove is formed in the front surface of the water return tank 16, glass 21 is installed in the groove, scale marks are formed on the surface of the glass, the amount of residual liquid medicine stored in the water return tank 16 can be observed through the glass 21, and if the liquid medicine is stored fully, the liquid medicine in the water return tank 16 should be discharged in time.
Particularly, be equipped with second wet return 22 on the left side wall of return 16, the left end of second wet return 22 stretches into in the liquid reserve tank 1, after the atmospheric pressure in the liquid reserve tank 1 is the same with external atmospheric pressure, because extension spring 6's reset function, extension spring 6 extends, extension spring 6 drives first piston 3 downstream, first piston 3 drives push rod 5 downstream, push rod 5 drives connecting seat 8 downstream, first piston 3 plugs up bleeder vent 4 on the liquid reserve tank 1 lateral wall once more, connecting seat 8 drives L type push rod 20 downstream, L type push rod 20 drives second piston 19 downstream, the liquid medicine of retrieving in second piston 19 extrusion return 16, the liquid medicine in the return 16 enters into liquid reserve tank 1 through second wet return 22, thereby the recovery of the liquid medicine in outlet pipe 14 is recycled.
Particularly, second wet return 22 is the PVC hard tube, avoids second wet return 22 to buckle and influences out the liquid effect, is equipped with third check valve 23 in the second wet return 22, and third check valve 23 prevents that the liquid medicine in the liquid reserve tank 1 from entering into in the return water tank 16.
The working principle is as follows: the utility model relates to a pressure relief device of a spraying machine, when the device is used, a fastening bolt 10 is fixed in a second threaded hole 11, thereby fixing the position of a connecting seat 8, the connecting seat 8 is fixedly connected with a first piston 3 through a push rod 5, the position of the first piston 3 is then fixed, at the moment, the air holes on the side wall of a liquid storage tank 1 are completely blocked by the first piston 3, the outside air is prevented from entering, a booster air pump 2 is started, the internal pressure of the liquid storage tank 1 is increased, the position of the first piston 3 is fixed, so the liquid medicine in the liquid storage tank 1 enters a water outlet pipe 14 through a three-way water outlet pipe connector 12, as an L-shaped push rod 20 is fixedly connected with the connecting seat 8, the position of the L-shaped push rod 20 can not change, the position of a second piston 19 can not change, so the liquid medicine in the liquid storage tank 1 can not enter a water return tank 16, the liquid medicine in the water storage tank 1 only passes through the water outlet pipe 14, the water outlet valve 15 is opened, the liquid medicine flows out from the water outlet of the water outlet pipe 14, thereby cleaning service is carried out, after the cleaning service is completed, the water outlet valve 15 is closed, at the moment, water does not flow out from the water outlet pipe 14, at the moment, a certain pressure remains in the water storage tank 1, a certain liquid medicine remains in the water outlet pipe 14, at the moment, the fastening bolt 10 is dismounted, the fastening bolt 10 does not fix the connecting seat 8 any more, the pressure in the water storage tank 1 and below the first piston 3 is greater than the pressure above the first piston 3, due to the pressure difference, the first piston 3 moves upwards, the first piston 3 is separated from the air vent 4 on the water storage tank 1, the high air pressure in the water storage tank 1 flows out through the air vent 4, thereby the pressure in the water storage tank 1 is dismounted, the first piston 3 drives the push rod 5 to move upwards while moving upwards, the push rod 5 drives the connecting seat 8 to move upwards, the connecting seat 8 drives the L-shaped push rod 20 to move upwards, the L-shaped push rod 20 drives the second piston 19 to move upwards, when the second piston 19 moves upwards, the volume at the lower end of the second piston 19 in the water return tank 16 is increased, the pressure intensity is reduced due to the increase of the volume, the pressure intensity in the water outlet pipe 14 is larger than the pressure intensity in the water return tank 16 at the moment, the liquid medicine in the water outlet pipe 14 is pressed into the water return tank 16, so that the residual liquid medicine in the water outlet pipe 14 is recovered, when the air pressure in the liquid storage tank 1 is the same as the external air pressure, due to the resetting function of the extension spring 6, the extension spring 6 extends, the extension spring 6 drives the first piston 3 to move downwards, the first piston 3 drives the push rod 5 to move downwards, the push rod 5 drives the connecting seat 8 to move downwards, the air holes 4 in the side wall of the liquid storage tank 1 are blocked again by the first piston 3, the connecting seat 8 drives the L-shaped push rod 20 to move downwards, l type push rod 20 drives second piston 19 and moves down, and the liquid medicine of retrieving in the second piston 19 extrusion return water tank 16, and the liquid medicine in return water tank 16 enters into liquid reserve tank 1 through second wet return 22 to the recycling of the liquid medicine in outlet pipe 14, the device can avoid the long-pending liquid medicine in the outlet pipe to remain and cause the corruption to the outlet pipe, prolongs the life of outlet pipe.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a sprinkler pressure relief device, includes liquid reserve tank (1), its characterized in that: the device is characterized in that a pressurizing air pump (2) is installed on the left side wall of the liquid storage box (1), a first piston (3) is arranged inside the liquid storage box (1), air holes (4) are formed in the position, located on the same horizontal axis, of the first piston (3) on the outer side wall of the liquid storage box (1), a push rod (5) is fixedly connected to the center of the upper end face of the first piston (3), the upper end face of the first piston (3) is located at one end, symmetrically provided with stretching springs (6), of the left side and the right side of the push rod (5), the push rod (5) penetrates through the upper end of the liquid storage box (1), a spring seat (7) is symmetrically and fixedly connected to the inner wall of the upper end of the liquid storage box (1), the other end of each stretching spring (6) is fixedly connected to the lower end of the spring seat (7), and a connecting seat (8) is fixedly connected to the upper end of the push rod (5), first threaded holes (9) are symmetrically formed in the connecting seat (8), two fastening bolts (10) are connected in threaded manner in the first threaded holes, two second threaded holes (11) are formed in the upper end of the liquid storage box (1) and in positions corresponding to the two first threaded holes (9) up and down, the fastening bolts penetrate through the first threaded holes (9) and are screwed in the second threaded holes (11), a three-way water outlet pipe joint (12) is arranged at the lower end of the right side wall of the liquid storage box (1), a first one-way valve (13) is arranged in the three-way water outlet pipe joint (12), a water outlet pipe (14) is connected to a water outlet at the right end of the water outlet pipe joint (12), a water outlet valve (15) is arranged on the water outlet pipe (14), and a water return box (16) is fixedly connected to the right side wall of the liquid storage box (1) and positioned above the water outlet pipe joint (12), the lower extreme of return water tank (16) is equipped with first return water pipe (17), the lower extreme of first return water pipe (17) with the upper end delivery port of tee bend water pipe joint (12) meets, the inside of first return water pipe (17) is equipped with second check valve (18), be equipped with second piston (19) in return water tank (16), the up end center department fixedly connected with L type push rod (20) of second piston (19), the upper end of L type push rod (20) is passed the upper end of return water tank (16), the upper end of L type push rod (20) with the right-hand member face fixed connection of connecting seat (8).
2. A sprinkler pressure relief device according to claim 1, further comprising: the water outlet pipe (14) is a rubber hose, and the first water return pipe (17) is a PVC (polyvinyl chloride) hard pipe.
3. A sprinkler pressure relief device according to claim 1, further comprising: a groove is formed in the front surface of the water return tank (16), glass (21) is installed in the groove, and scale marks are arranged on the surface of the glass.
4. A sprinkler pressure relief device according to claim 1, further comprising: be equipped with second wet return (22) on the left side wall of wet return (16), the left end of second wet return (22) stretches into in liquid reserve tank (1).
5. A sprinkler pressure relief device according to claim 4, further characterized by: the second water return pipe (22) is a PVC (polyvinyl chloride) hard pipe, and a third one-way valve (23) is arranged in the second water return pipe (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021860918.0U CN214234664U (en) | 2020-08-31 | 2020-08-31 | Pressure relief device of spraying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021860918.0U CN214234664U (en) | 2020-08-31 | 2020-08-31 | Pressure relief device of spraying machine |
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| Publication Number | Publication Date |
|---|---|
| CN214234664U true CN214234664U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021860918.0U Active CN214234664U (en) | 2020-08-31 | 2020-08-31 | Pressure relief device of spraying machine |
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| CN (1) | CN214234664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041515A (en) * | 2022-06-02 | 2022-09-13 | 吉林建筑大学 | Automatic control device for pollution site treatment |
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2020
- 2020-08-31 CN CN202021860918.0U patent/CN214234664U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041515A (en) * | 2022-06-02 | 2022-09-13 | 吉林建筑大学 | Automatic control device for pollution site treatment |
| CN115041515B (en) * | 2022-06-02 | 2024-01-09 | 吉林建筑大学 | Automatic control device for pollution site treatment |
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