CN212508859U - Backflow-preventing vacuum device - Google Patents
Backflow-preventing vacuum device Download PDFInfo
- Publication number
- CN212508859U CN212508859U CN202021204779.6U CN202021204779U CN212508859U CN 212508859 U CN212508859 U CN 212508859U CN 202021204779 U CN202021204779 U CN 202021204779U CN 212508859 U CN212508859 U CN 212508859U
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- China
- Prior art keywords
- barrel
- supporting
- fixed
- vacuum
- feed liquor
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model relates to a prevent vacuum ware that flows backwards, including barrel, the fixed subassembly of support, the top and the bottom of barrel can be dismantled respectively and be fixed with the head in order to form confined cavity, threaded connection has two supporting shoes that distribute from top to bottom on the outer wall of barrel, install exhaust pipe joint on the head on barrel top, installation liquid pipe joint and feed liquor pipe joint on the head of barrel bottom, be equipped with the feed liquor pipe in the barrel. The utility model discloses after carrying out the evacuation in the barrel and sealed, utilize the negative pressure in the barrel, make the feed liquor pipe constantly to carrying water in the barrel to constantly in to the flow direction pump case with in the water absorption pipe, thereby form the automatic cycle in-process, realized the function of automatic water injection, need not artifical manually operation during this, degree of automation is high.
Description
Technical Field
The utility model relates to a pump technical field, concretely relates to vacuum ware prevents flowing backwards.
Background
In life, a pump is needed to convey liquid from one place to another place, and the pump has various forms, such as vertical type, horizontal type, single-stage, multi-stage, single-suction type, double-suction type, self-suction type and the like, for some pumps, such as centrifugal pumps, the centrifugal pump works by using the rotation of an impeller to enable water to generate centrifugal motion, and when the centrifugal pump works, a pump shell and a suction pipe must be filled with water before the water pump is started, then the motor is started, the pump shaft drives the impeller and water to do high-speed rotation movement, the water generates centrifugal movement and is thrown to the outer edge of the impeller and flows into a water pressing pipeline of the water pump through a flow channel of the volute pump shell, under the requirements of some working conditions, the pump cannot be installed below the liquid level, and when installed above the liquid level, the pump shell needs to be filled with water manually by workers, manual operation is needed once when the pump shell is started every time, operation is complex, and the automation degree is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides a backflow-preventing vacuum device.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a prevent vacuum ware that flows backwards, includes barrel, supports fixed subassembly, the top and the bottom of barrel can be dismantled respectively and be fixed with the head in order to form confined cavity, threaded connection has two supporting shoes that are upper and lower distribution on the outer wall of barrel, install exhaust coupling on the head on barrel top, install out liquid coupling and feed liquor coupling on the head of barrel bottom, be equipped with the feed liquor pipe in the barrel, the feed liquor pipe is connected with the one end of feed liquor coupling, all install manual valve on exhaust coupling, play liquid coupling and the feed liquor coupling, set up two at least evenly distributed's screw hole on the outer wall of supporting shoe, it is fixed with supporting the barrel through being connected of first bolt and screw hole to support one of them supporting shoe on fixed subassembly and the barrel.
Preferably, the liquid inlet pipe joint is provided with a first flowmeter, the other end of the liquid inlet pipe joint is connected with the water storage tank through a pipeline, the water storage tank is provided with a liquid conveying pipe, the liquid conveying pipe is provided with a first valve and a second flowmeter, and one end of the liquid conveying pipe, which is far away from the water storage tank, is connected with an output pipeline of the pump.
In any of the above schemes, preferably, the supporting and fixing assembly includes a supporting table and a supporting rod, the supporting table is provided with a through hole through which the cylinder can pass, the supporting table outside the through hole is fixed with at least two connecting blocks which are uniformly distributed, each connecting block is connected with one first bolt by a thread, the first bolt is connected with a threaded hole on the supporting block so as to connect the cylinder with the supporting table, and four corner ends at the bottom of the supporting table are respectively hinged with the supporting rod.
In any of the above schemes, preferably, the number of the first bolts is the same as that of the threaded holes on one supporting block, and the first bolts correspond to the threaded holes on one supporting block one by one.
In any of the above schemes, preferably, the bottom end of the supporting rod is provided with a second bolt.
In any of the above schemes, preferably, the supporting block is a rectangular structure, and the length and the width of the supporting block are both larger than the diameter of the through hole.
In any of the above schemes, preferably, a first flange is fixed at one end of the end socket connected with the cylinder, a second flange is fixed at the top end and the bottom end of the cylinder respectively, and the first flange and the second flange are fixed through a third bolt and a nut.
In any of the above schemes, preferably, the opposite surfaces of the first flange plate and the second flange plate are respectively provided with an annular groove, and a sealing ring is arranged in the annular groove.
In any of the above embodiments, preferably, the diameter of the through hole is larger than the diameters of the first flange and the second flange.
In any of the above schemes, preferably, a vacuum gauge is installed on the top of the side wall of the cylinder.
Compared with the prior art, the utility model provides a prevent flowing backwards vacuum ware has following beneficial effect:
1. the interior of the cylinder body is vacuumized and sealed, and the negative pressure in the cylinder body is utilized to enable the liquid inlet pipe to continuously convey water into the cylinder body and continuously flow into the pump shell and the water suction pipe, so that the automatic water injection function is realized in the automatic circulation process, manual operation is not needed in the automatic circulation process, the automation degree is high, and the operation is simple and rapid;
2. the supporting block is connected with the barrel, so that the supporting block is contacted with a placing position when the barrel is transported and placed, collision and scratch caused by direct contact of the barrel are avoided, the quality of the barrel is ensured, and the supporting block can be connected with the supporting and fixing component to realize supporting and fixing of the barrel; a first flowmeter is arranged on the liquid inlet pipe joint and used for detecting the flow velocity of the fluid flowing into the liquid inlet pipe;
3. the support rods are hinged with the support table, so that the inclination angle of the support rods can be adjusted, the distance between the four support rods at the bottom of the support table can be adjusted, and the support table can be conveniently installed in different spaces; the barrel is in threaded connection with the supporting block, the height position of the barrel can be adjusted by rotating the barrel under the condition that the supporting block is fixed, and connection with different pump bodies is facilitated.
Drawings
Fig. 1 is a schematic view of the overall structure of a preferred embodiment of the anti-backflow vacuum device provided by the present invention;
fig. 2 is a schematic structural view of the cylinder in the embodiment shown in fig. 1.
The figures are labeled as follows: 1. a barrel; 2. sealing the end; 3. an exhaust pipe joint; 4. a liquid inlet pipe; 5. a support block; 6. connecting blocks; 7. a first bolt; 8. a support table; 9. a strut; 10. a liquid inlet pipe joint; 11. a liquid outlet pipe joint; 12. a first flow meter; 13. a manual valve; 14. a second flange plate; 15. a first flange.
Detailed Description
In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.
As shown in fig. 1-2, an embodiment of the vacuum apparatus for preventing backflow according to the present invention comprises a cylinder 1, a supporting and fixing assembly, the top end and the bottom end of the cylinder body 1 are respectively detachably fixed with a seal head 2 to form a closed cavity, the outer wall of the cylinder body 1 is in threaded connection with two supporting blocks 5 which are distributed up and down, an exhaust pipe joint 3 is arranged on the seal head 2 at the top end of the cylinder body 1, a liquid outlet pipe joint 11 and a liquid inlet pipe 4 joint are arranged on the end socket 2 at the bottom end of the cylinder body 1, a liquid inlet pipe 4 is arranged in the cylinder body 1, the liquid inlet pipe 4 is connected with one end of the joint of the liquid inlet pipe 4, the exhaust pipe joint 3, the liquid outlet pipe joint 11 and the joint of the liquid inlet pipe 4 are all provided with a manual valve 13, the outer wall of the supporting block 5 is provided with at least two threaded holes which are uniformly distributed, and the supporting and fixing component and one of the supporting blocks 5 on the barrel body 1 are connected with the threaded holes through the first bolts 7 so as to support and fix the barrel body 1. The exhaust pipe joint 3, the liquid outlet pipe joint 11 and the liquid inlet pipe joint 4 are communicated with the interior of the barrel 1.
The exhaust pipe joint 3 is used for connecting a tool for vacuumizing, the liquid outlet pipe joint 11 is used for connecting a liquid outlet pipe of the liquid outlet pipe, the liquid outlet pipe is communicated with the inside of the pump shell and the water suction pipe, one end of the liquid inlet pipe 4 joint, which is far away from the liquid inlet pipe 4, is used for connecting a water storage tank, the vacuumizing tool is connected through the exhaust pipe joint 3, the inside of the barrel 1 is vacuumized to ensure that a certain negative pressure is achieved in the barrel 1, water in the water storage tank automatically flows into the liquid inlet pipe 4 and flows into the barrel 1, water is injected into the pump shell and the water suction pipe through the liquid outlet pipe joint 11, the water injected after the pump is started flows out along with the rotation of the pump, the liquid inlet pipe 4 continuously conveys water into the barrel 1 and continuously flows into the pump shell and the water suction pipe under the action of the negative pressure in the barrel 1, thereby forming the automatic circulation process, realizing the function of automatic water, the operation is simple and quick.
The liquid inlet pipe 4 connects and installs first flowmeter 12, the other end that liquid inlet pipe 4 connects passes through the tube coupling storage water tank, be equipped with the transfer line on the storage water tank, install first valve and second flowmeter on the transfer line, the one end that the transfer line kept away from the storage water tank is connected with the output pipeline of pump. The flow rate of the water in the infusion tube is adjusted by adjusting the first valve according to the value displayed by the second flowmeter.
According to the measurement numerical value of first flowmeter 12 and the measurement numerical value of second flowmeter on the transfer line contrast to adjust the size of opening of first valve opening, thereby adjust the velocity of flow that the water in the transfer line got into in the storage water tank and the velocity of flow that the water in the storage water tank got into the flowing back intraductal, guarantee to have water in the storage water tank all the time, thereby realized the function to automatic watering in the pump body, need not regularly to add water in the storage water tank, degree of automation is high.
Connect supporting shoe 5 on barrel 1, not only when barrel 1 is placed in the transportation, supporting shoe 5 with place the position contact, avoid the collision scotch that barrel 1 direct contact arouses, guarantee the quality of barrel 1, can also be connected with supporting fixed subassembly, realize that the support of barrel 1 is fixed.
The supporting and fixing assembly comprises a supporting table 8 and a supporting rod 9, a through hole through which the barrel body 1 can penetrate is formed in the supporting table 8, at least two connecting blocks 6 which are uniformly distributed are fixed on the supporting table 8 on the outer side of the through hole, each connecting block 6 is in threaded connection with one first bolt 7, the first bolts 7 are connected with threaded holes in the supporting block 5 to enable the barrel body 1 to be connected with the supporting table 8, and four corner ends of the bottom of the supporting table 8 are hinged to the supporting rod 9 respectively.
Because the supporting rods 9 are hinged with the supporting platform 8, the inclination angles of the supporting rods 9 can be adjusted, so that the distances among the four supporting rods 9 at the bottom of the supporting platform 8 can be adjusted, and the supporting rods can be conveniently installed in different spaces; the barrel 1 is in threaded connection with the supporting block 5, the height position of the barrel 1 can be adjusted by rotating the barrel 1 under the condition that the supporting block 5 is fixed, and connection with different pump bodies is facilitated.
The number of the first bolts 7 is the same as that of the threaded holes in one supporting block 5, and the first bolts correspond to the threaded holes in one supporting block.
And a second bolt is installed at the bottom end of the supporting rod 9 and is fixed with the installation position.
The supporting block 5 is of a rectangular structure, and the length and the width of the supporting block 5 are both larger than the diameter of the through hole.
The one end that head 2 and barrel 1 are connected is fixed with first ring flange 15, the top and the bottom of barrel 1 are fixed with second ring flange 14 respectively, first ring flange 15 and second ring flange 14 are fixed through third bolt and nut. Specifically, a plurality of connecting holes are formed in the first flange plate 15 and the second flange plate 14, and the third bolts are inserted into the corresponding connecting holes and extend out to be fixed with the nuts.
And annular grooves are respectively formed in the opposite surfaces of the first flange plate 15 and the second flange plate 14, and sealing rings are arranged in the annular grooves.
The diameter of the through hole is larger than the diameter of the first flange 15 and the second flange 14, so that the barrel body 1 can conveniently penetrate through the through hole.
The lateral wall top installation vacuum degree table of barrel 1, the vacuum degree in the vacuum degree table can detect barrel 1.
Because the barrel 1 and the supporting and fixing component are detachably connected, the transportation and the replacement are convenient.
In this embodiment, before the barrel 1 is installed with the pump body, the barrel 1 is vacuumized by a vacuuming tool to reach a certain vacuum degree, during the vacuuming, the manual valve 13 on the exhaust pipe connector 3 is opened, the manual valve 13 on the liquid outlet pipe connector 11 and the liquid inlet pipe 4 connector is in a closed state, then the vacuuming is performed, after the vacuuming is completed, the manual valve 13 on the exhaust pipe connector 3 is manually closed, when the pump body is fixed, the bottom end of the pump body penetrates through the through hole on the support platform 8 to enable the support block 5 to abut against the support platform 8, the threaded hole on the support block 5 corresponds to the first adjacent bolt 7, then the first bolt 7 is screwed into the threaded hole to enable the support block 5 to be fixed with the support platform 8, so that the connection between the barrel 1 and the support platform 8 is realized, the second bolt on the support rod 9 is fixed with the position to be installed, the integral fixation of the vacuum tank is realized.
It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a prevent vacuum ware that flows backwards which characterized in that: including barrel, support fixed subassembly, the top and the bottom of barrel can be dismantled respectively and be fixed with the head in order to form confined cavity, threaded connection has two supporting shoes that are upper and lower distribution on the outer wall of barrel, install the exhaust coupling on the head on barrel top, install liquid pipe joint and feed liquor union coupling on the head of barrel bottom, be equipped with the feed liquor pipe in the barrel, the feed liquor pipe is connected with the one end that the feed liquor union is connected, all install manual valve on exhaust coupling, liquid pipe joint and the feed liquor union coupling, set up two at least evenly distributed's screw hole on the outer wall of supporting shoe, it is fixed with supporting the barrel through being connected of first bolt and screw hole to support one of them supporting shoe on fixed subassembly and the barrel.
2. The anti-backflow vacuum of claim 1, wherein: the liquid inlet pipe joint is provided with a first flowmeter, the other end of the liquid inlet pipe joint is connected with the water storage tank through a pipeline, the water storage tank is provided with a liquid conveying pipe, the liquid conveying pipe is provided with a first valve and a second flowmeter, and one end of the liquid conveying pipe, which is far away from the water storage tank, is connected with an output pipeline of the pump.
3. The anti-backflow vacuum of claim 2, wherein: the supporting and fixing assembly comprises a supporting table and a supporting rod, a through hole through which the cylinder body can pass is formed in the supporting table, at least two connecting blocks which are uniformly distributed are fixed on the supporting table outside the through hole, each connecting block is in threaded connection with one first bolt, the first bolts are connected with threaded holes in the supporting block so that the cylinder body is connected with the supporting table, and four corner ends of the bottom of the supporting table are hinged to the supporting rod respectively.
4. The anti-backflow vacuum of claim 3, wherein: the number of the first bolts is the same as that of the threaded holes in one supporting block, and the first bolts correspond to the threaded holes in one supporting block one by one.
5. The anti-backflow vacuum of claim 3, wherein: and a second bolt is installed at the bottom end of the supporting rod.
6. The anti-backflow vacuum of claim 3, wherein: the supporting block is of a rectangular structure, and the length and the width of the supporting block are both larger than the diameter of the through hole.
7. The anti-backflow vacuum of claim 6, wherein: the end that head and barrel are connected is fixed with first ring flange, the top and the bottom of barrel are fixed with the second ring flange respectively, first ring flange and second ring flange are fixed through third bolt and nut.
8. The anti-backflow vacuum of claim 7, wherein: annular grooves are formed in the opposite surfaces of the first flange plate and the second flange plate respectively, and sealing rings are arranged in the annular grooves.
9. The anti-backflow vacuum of claim 8, wherein: the diameter of the through hole is larger than the diameters of the first flange plate and the second flange plate.
10. The anti-backflow vacuum of claim 1, wherein: and a vacuum degree gauge is arranged at the top of the side wall of the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021204779.6U CN212508859U (en) | 2020-06-24 | 2020-06-24 | Backflow-preventing vacuum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021204779.6U CN212508859U (en) | 2020-06-24 | 2020-06-24 | Backflow-preventing vacuum device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212508859U true CN212508859U (en) | 2021-02-09 |
Family
ID=74439729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021204779.6U Expired - Fee Related CN212508859U (en) | 2020-06-24 | 2020-06-24 | Backflow-preventing vacuum device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212508859U (en) |
-
2020
- 2020-06-24 CN CN202021204779.6U patent/CN212508859U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |