CN117780940A - Pressure regulating valve capable of regulating back pressure - Google Patents
Pressure regulating valve capable of regulating back pressure Download PDFInfo
- Publication number
- CN117780940A CN117780940A CN202410205127.0A CN202410205127A CN117780940A CN 117780940 A CN117780940 A CN 117780940A CN 202410205127 A CN202410205127 A CN 202410205127A CN 117780940 A CN117780940 A CN 117780940A
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- rod
- fixedly connected
- regulating valve
- pressure regulating
- valve body
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 135
- 238000007790 scraping Methods 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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Abstract
The invention relates to the technical field of pressure regulating valves, in particular to a pressure regulating valve capable of regulating back pressure, which comprises a pressure regulating valve body, an adjusting structure, a scraping structure, a filtering structure, a mounting structure, a splicing structure, a connecting pipe, a cover plate, a push rod, a first connecting block and a second connecting block.
Description
Technical Field
The invention relates to the technical field of pressure regulating valves, in particular to a pressure regulating valve capable of regulating back pressure.
Background
The pressure regulating valve is one kind of apparatus for changing the gas or liquid throughput and reaching certain requirement, and is one kind of precise control instrument, and consists of one main command unit and other auxiliary parts, and the pressure regulating valve consists of valve body, valve disc, valve rod, valve seat, spring, executor, accessory, etc.
However, traditional air-vent valve is when adjusting the backpressure, realize the regulation to spring elasticity usually through rotating the regulation pole of threaded connection on the air-vent valve body to control pressure and flow are adjusted the backpressure, adjust the regulation efficiency that leads to slowly through rotating the multiturn regulation pole, and operating flexibility is lower, simultaneously, connect through two connecting blocks between two push rods, adopt a plurality of bolts to install when the installation, lead to the installation effectiveness low, the water inlet department of air-vent valve body does not set up filter equipment simultaneously, impurity in the rivers can cause the jam in the air-vent valve body, thereby cause the damage of air-vent valve body, the life of air-vent valve body has been reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a pressure regulating valve capable of regulating back pressure.
The technical scheme adopted for solving the technical problems is as follows: a pressure regulating valve for regulating back pressure comprising:
a pressure regulating valve body;
the connecting pipe is arranged on the pressure regulating valve body;
the cover plate is arranged on the pressure regulating valve body;
the push rod is connected with the pressure regulating valve body in a sliding manner;
the first connecting blocks are connected to the two push rods;
the first connecting block and the second connecting block are detachably connected;
the regulating structure is arranged on the regulating valve body and comprises a regulating spring, the regulating spring is fixedly connected to the regulating valve body, the other end of the regulating spring is fixedly connected with a regulating disc, the regulating disc is fixedly connected with a regulating rod, the regulating rod is slidably connected with a push rod above the regulating rod, the regulating rod is slidably connected with a cover plate, a first fixing rod is slidably connected to the regulating rod, and the first fixing rod is clamped with a fixing groove on the push rod above the regulating rod.
Specifically, sliding connection has the actuating lever on the first dead lever, sliding fit between the inclined plane on actuating lever and the first dead lever, sliding connection between actuating lever and the regulation pole, fixedly connected with button on the actuating lever, sliding connection between button and the regulation pole, fixedly connected with first reset spring between first dead lever and the regulation pole, be equipped with a plurality of fixed slots on the push rod of top.
Specifically, be equipped with mounting structure on the air-vent valve body, mounting structure includes the erection column, fixedly connected with a plurality of erection columns on the apron, peg graft between erection column and the air-vent valve body, rotate on the air-vent valve body and be connected with the go-between, fixedly connected with a plurality of erection bars on the go-between, a plurality of the erection bar with a plurality of block between the erection column, sliding connection between erection bar and the air-vent valve body, fixedly connected with pull rod on the go-between, fixedly connected with second reset spring between pull rod and the air-vent valve body.
Specifically, sliding connection has the gag lever post on the pull rod, the block between the spacing groove on gag lever post and the air-vent valve body, fixedly connected with presses the piece on the gag lever post, sliding connection between pressing the piece and the pull rod, press fixedly connected with third reset spring between briquetting and the pull rod.
Specifically, splice through mosaic structure between first connecting block and the second connecting block, mosaic structure includes the fixed block, sliding connection has four fixed blocks on the second connecting block, the block between the fixed orifices on fixed block and the second connecting block, fixedly connected with connecting rod on the fixed block, connecting rod and first connecting block and second connecting block mutual sliding connection.
Specifically, the connecting rod is connected with the spliced pole in a rotating way, two driving plates are connected to the first connecting block in a sliding way, and the two connecting poles on the same side are matched with the driving grooves on the driving plates on the same side in a rolling way.
Specifically, the drive slot is "V" shape structure, fixedly connected with presses the board on the drive board, sliding connection between pressing board and the first linkage piece, fixedly connected with fourth reset spring between pressing board and the first linkage piece.
Specifically, be equipped with filtration on the connecting pipe, filtration includes the installing frame, can dismantle on the connecting pipe and be connected with the installing frame, fixedly connected with filter screen on the installing frame, sliding connection has the second dead lever on the connecting pipe, the block between second dead lever and the installing frame, sliding connection has the slide on the connecting pipe, contradict between slide and the second dead lever.
Specifically, the connecting pipe is connected with the lead screw in a rotating way, threaded connection is arranged between the sliding plate and the lead screw, the second fixing rod is fixedly connected with a pulling plate, the pulling plate is connected with the connecting pipe in a sliding way, the mounting frame is fixedly connected with a sealing ring, and the sealing ring is clamped with the connecting pipe.
Specifically, be equipped with on the connecting pipe and strike off the structure, strike off the structure and include the elasticity and strike off the strip, sliding connection has the elasticity to strike off the strip on the connecting pipe, fixed connection between elasticity and the elastic strip, fixed connection between elastic strip and the sealed lid, the elastic strip is "V" shape structure, threaded connection between sealed lid and the connecting pipe.
The beneficial effects of the invention are as follows:
(1) According to the pressure regulating valve capable of regulating back pressure, the regulating structure is arranged on the pressure regulating valve body, and the moving distance of the valve core can be regulated by the arrangement of the regulating structure, so that the back pressure can be regulated conveniently and rapidly, and the operation flexibility is improved.
(2) According to the pressure regulating valve capable of regulating back pressure, the mounting structure is arranged on the pressure regulating valve body, and the mounting structure is convenient for rapidly disassembling and assembling the cover plate and the pressure regulating valve body, so that the assembling and disassembling efficiency of the cover plate is improved.
(3) According to the pressure regulating valve capable of regulating back pressure, the first connecting block and the second connecting block are spliced through the splicing structure, the splicing structure is convenient for quickly butting the two connecting blocks, and the operation flexibility is improved.
(4) According to the pressure regulating valve capable of regulating back pressure, the filtering structure is arranged on the connecting pipe, impurities in water can be prevented from entering the pressure regulating valve body through the arrangement of the filtering structure, the pressure regulating valve body is prevented from being blocked, damage to the pressure regulating valve body is avoided, and the service life of the pressure regulating valve body is prolonged.
(5) According to the pressure regulating valve capable of regulating back pressure, the scraping structure is arranged on the connecting pipe, and impurities on the side wall of the connecting pipe and the filter screen are scraped conveniently, so that the use efficiency of the filter screen is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the B-section structure shown in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure of the portion C shown in FIG. 2;
FIG. 5 is a schematic diagram of a connection structure of a connection pipe and a pressure regulating valve according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of the portion D shown in FIG. 5;
FIG. 7 is an enlarged schematic view of the E-section structure shown in FIG. 5;
FIG. 8 is an enlarged schematic view of the F portion structure shown in FIG. 5;
fig. 9 is an enlarged schematic view of the G portion structure shown in fig. 5;
FIG. 10 is a schematic view showing a connection structure of an adjusting lever and an adjusting plate according to the present invention;
FIG. 11 is an enlarged schematic view of the H-section structure shown in FIG. 10;
FIG. 12 is a schematic view of a connection structure of a first connection block and a second connection block according to the present invention;
FIG. 13 is a schematic diagram showing a connection structure between a driving plate and a first connecting block according to the present invention;
FIG. 14 is a schematic view showing the connection structure of the pressing block and the pull rod according to the present invention;
FIG. 15 is a schematic view of the connection structure of the connecting ring and the mounting rod of the present invention;
FIG. 16 is a schematic view showing the connection structure of the mounting frame and the connection pipe according to the present invention;
FIG. 17 is an enlarged schematic view of the structure of the portion I shown in FIG. 16;
FIG. 18 is a schematic view showing the connection structure of the elastic strip and the sealing cover of the present invention.
In the figure: 1. a pressure regulating valve body; 2. an adjustment structure; 201. an adjusting spring; 202. an adjusting plate; 203. an adjusting rod; 204. a first fixing rod; 205. a fixing groove; 206. a first return spring; 207. a driving rod; 208. a button; 3. a scraping structure; 301. an elastic scraping strip; 302. an elastic strip; 303. sealing cover; 4. a filtering structure; 401. a mounting frame; 402. a filter screen; 403. a seal ring; 404. a second fixing rod; 405. pulling a plate; 406. a slide plate; 407. a screw rod; 5. a mounting structure; 501. a mounting column; 502. a mounting rod; 503. a connecting ring; 504. a second return spring; 505. a pull rod; 506. a limit rod; 507. a limit groove; 508. pressing the blocks; 509. a third return spring; 6. a splice structure; 601. a fixed block; 602. a fixing hole; 603. a connecting rod; 604. a connecting column; 605. a driving groove; 606. a driving plate; 607. pressing the plate; 608. a fourth return spring; 7. a connecting pipe; 8. a cover plate; 9. a push rod; 10. a first connection block; 11. and a second connecting block.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 18, the pressure regulating valve capable of regulating back pressure according to the present invention comprises a pressure regulating valve body 1; a connecting pipe 7, wherein the pressure regulating valve body 1 is provided with the connecting pipe 7; the cover plate 8 is arranged on the pressure regulating valve body 1; the push rod 9 is connected with the pressure regulating valve body 1 in a sliding manner; the first connecting blocks 10 are connected with the two push rods 9; the second connecting blocks 11 are connected to the two push rods 9, and the first connecting blocks 10 are detachably connected with the second connecting blocks 11; the regulating structure 2 is arranged on the regulating valve body 1, the regulating structure 2 comprises a regulating spring 201, the regulating spring 201 is fixedly connected to the regulating valve body 1, the other end of the regulating spring 201 is fixedly connected with a regulating disc 202, the regulating disc 202 is fixedly connected with a regulating rod 203, the regulating rod 203 is slidably connected with a push rod 9 above, the regulating rod 203 is slidably connected with a cover plate 8, a first fixing rod 204 is slidably connected to the regulating rod 203, and the first fixing rod 204 is clamped with a fixing groove 205 on the push rod 9 above.
Specifically, the first fixing rod 204 is slidably connected with a driving rod 207, the driving rod 207 is slidably matched with an inclined plane on the first fixing rod 204, the driving rod 207 is slidably connected with the adjusting rod 203, a button 208 is fixedly connected on the driving rod 207, the button 208 is slidably connected with the adjusting rod 203, a first return spring 206 is fixedly connected between the first fixing rod 204 and the adjusting rod 203, a plurality of fixing grooves 205 are formed on the upper push rod 9, when the back pressure needs to be adjusted, by pushing the button 208 downwards, the driving rod 207 is driven to slide downwards when the button 208 moves downwards, so that the driving rod 207 slides downwards on the adjusting rod 203, the driving rod 207 is slidably matched with the inclined plane on the first fixing rod 204, so that the first fixing rod 204 slides rightwards, the first return spring 206 contracts when the first fixing rod 204 slides rightwards, meanwhile, the first fixing rod 204 is not clamped with the fixing groove 205 on the push rod 9 above, the first fixing rod 204 can slide left under the action of the first reset spring 206 through the sliding between the adjusting rod 203 and the push rod 9 above, the adjusting disc 202 is driven to move upwards when the adjusting disc 203 slides upwards, the adjusting spring 201 is driven to deform when the adjusting disc 202 moves upwards, the back pressure is adjusted at the moment, the adjusting disc 202 drives the adjusting spring 201 to deform, the moving distance of the valve core can be adjusted, the back pressure can be adjusted conveniently and rapidly, after the adjustment is completed, the button 208 can be released, the first fixing rod 204 can slide left under the action of the first reset spring 206, the first fixing rod 204 can be clamped with one of the fixing grooves 205 on the push rod 9 above, the adjusted adjusting disc 202 can be fixed conveniently through the clamping between the first fixing rod 204 and the push rod 9, the stability is improved.
Specifically, the pressure regulating valve body 1 is provided with a mounting structure 5, the mounting structure 5 comprises a mounting column 501, the cover plate 8 is fixedly connected with a plurality of mounting columns 501, the mounting columns 501 are inserted into the pressure regulating valve body 1, the pressure regulating valve body 1 is rotationally connected with a connecting ring 503, the connecting ring 503 is fixedly connected with a plurality of mounting rods 502, a plurality of mounting rods 502 are clamped with a plurality of mounting columns 501, the mounting rods 502 are in sliding connection with the pressure regulating valve body 1, the connecting ring 503 is fixedly connected with a pull rod 505, a second return spring 504 is fixedly connected between the pull rod 505 and the pressure regulating valve body 1, a limit rod 506 is in sliding connection with the pull rod 505, the limit rod 506 is clamped with a limit groove 507 on the pressure regulating valve body 1, a pressing block 508 is fixedly connected with the limit rod 506, the pressing block 508 is in sliding connection with the pull rod 505, a third reset spring 509 is fixedly connected between the pressing block 508 and the pull rod 505, when the internal adjusting spring 201 needs to be replaced, the pressing block 508 can be pressed upwards, the third reset spring 509 contracts when the pressing block 508 moves upwards, meanwhile, the limit rod 506 is driven to slide upwards, the limit rod 506 slides upwards to be no longer clamped with the limit groove 507 on the pressure regulating valve body 1, at the moment, the pull rod 505 can be pulled, the second reset spring 504 stretches when the pull rod 505 slides with the pressure regulating valve body 1, meanwhile, the connecting ring 503 is driven to be connected with the pressure regulating valve body 1 in a rotating way, the connecting ring 503 can drive the mounting rods 502 to be no longer clamped with the mounting posts 501 when rotating, at the moment, the pressing block 508 can be loosened, the limit rod 506 is clamped with the other limit groove 507 on the pressure regulating valve body 1 under the action of the third reset spring 509, at this time, the pull rod 505 is fixed, and then the cover plate 8 can be detached after the transverse plate mounted above the adjusting rod 203 through the bolts is detached, so that the connecting ring 503 drives the mounting rods 502 to be clamped with the mounting columns 501, the cover plate 8 and the pressure regulating valve body 1 are conveniently and rapidly detached and mounted, and the mounting and dismounting efficiency of the cover plate 8 is improved.
Specifically, the first connecting block 10 and the second connecting block 11 are spliced through the splicing structure 6, the splicing structure 6 comprises a fixed block 601, four fixed blocks 601 are slidably connected to the second connecting block 11, the fixed block 601 is clamped with a fixed hole 602 on the second connecting block 11, a connecting rod 603 is fixedly connected to the fixed block 601, the connecting rod 603 is slidably connected with the first connecting block 10 and the second connecting block 11, a connecting column 604 is rotatably connected to the connecting rod 603, two driving plates 606 are slidably connected to the first connecting block 10, two driving plates 606 on the same side are in rolling fit with a driving groove 605 on the driving plate 606 on the same side, the driving groove 605 is in a V-shaped structure, a pressing plate 607 is fixedly connected to the driving plate 606, the pressing plate 607 is slidably connected with the first connecting block 10, a fourth return spring 608 is fixedly connected between the pressing plate 607 and the first connecting block 10, when the first connecting block 10 and the second connecting block 11 are installed on the push rods 9, the second connecting block 11 is firstly positioned between the two push rods 9, then by pressing the pressing plate 607 on the first connecting block 10, the fourth return spring 608 contracts when the pressing plate 607 slides rightwards, simultaneously the pressing plate 607 drives the two driving plates 606 to slide rightwards, the two driving plates 606 respectively enable the two connecting columns 604 to be in rolling fit between the driving grooves 605 on the driving plates 606, because the driving grooves 605 are in a V-shaped structure, the two connecting columns 604 drive the two connecting rods 603 to slide oppositely, the connecting rods 603 drive the fixing blocks 601 to slide oppositely when the fixing blocks 601 slide oppositely to a certain position, the connecting rods 603 and the fixing blocks 601 are inserted into the second connecting blocks 11, by loosening the pressing plates 607, make four fixed blocks 601 slide under fourth reset spring 608's effect, make the block 601 and the fixed orifices 602 on the second connecting block 11 between the block, thereby through the block between fixed block 601 and the second connecting block 11, be convenient for dock fast between two connecting blocks, improved the flexibility of operation, because push rod 9's butt joint department is the threaded rod, consequently two connecting blocks can not take place the free slip, the nut on the accessible pivoted push rod 9 this moment makes the nut support tightly with the upper and lower both ends of two connecting blocks, make two connecting blocks connect the steadiness better.
Specifically, the connecting pipe 7 is provided with a filtering structure 4, the filtering structure 4 comprises a mounting frame 401, the connecting pipe 7 is detachably connected with the mounting frame 401, the mounting frame 401 is fixedly connected with a filter screen 402, the connecting pipe 7 is slidably connected with a second fixing rod 404, the second fixing rod 404 is clamped with the mounting frame 401, the connecting pipe 7 is slidably connected with a slide plate 406, the slide plate 406 is abutted against the second fixing rod 404, the connecting pipe 7 is rotatably connected with a screw rod 407, the slide plate 406 is in threaded connection with the screw rod 407, the second fixing rod 404 is fixedly connected with a pull plate 405, the pull plate 405 is slidably connected with the connecting pipe 7, the mounting frame 401 is fixedly connected with a sealing ring 403, the sealing ring 403 is clamped with the connecting pipe 7, when water flows into the pressure regulating valve body 1 from the connecting pipe 7 at the water inlet of the pressure regulating valve body 1, impurities in water flow can be filtered by the filter screen 402 on the installation frame 401, thereby preventing the impurities in water from entering the pressure regulating valve body 1 through the filter screen 402, avoiding blocking the pressure regulating valve body 1, avoiding damaging the pressure regulating valve body 1, prolonging the service life of the pressure regulating valve body 1, inserting the filter screen 402 into a hexagonal groove on the screw rod 407 through an inner hexagonal wrench when the filter screen 402 needs to be replaced, driving the slide plate 406 to slide upwards when the screw rod 407 rotates through rotating the screw rod 407, avoiding the slide plate 406 from abutting against the two second fixing rods 404, at the moment, pulling the pull plate 405 leftwards, driving the two second fixing rods 404 to not engage with the installation frame 401 when the pull plate 405 slides leftwards, at the moment, upwards pulling the installation frame 401, enabling the installation frame 401 to drive the filter screen 402 to slide out of the connecting pipe 7, at this time, the filter screen 402 can be replaced, so that the mounting frame 401 and the connecting pipe 7 can be conveniently and quickly mounted through the clamping between the second fixing rod 404 and the mounting frame 401, and the sliding plate 406 is tightly abutted to the second fixing rod 404 through the screw thread of the screw rod 407, so that the stability of the second fixing rod 404 is improved.
Specifically, scrape structure 3 is equipped with on the connecting pipe 7, scrape structure 3 includes elasticity and scrape strip 301, sliding connection has elasticity to scrape strip 301 on the connecting pipe 7, fixed connection between elasticity is scraped strip 301 and the elasticity strip 302, fixed connection between elasticity strip 302 and the sealed lid 303, elasticity strip 302 is "V" shape structure, threaded connection between sealed lid 303 and the connecting pipe 7, when the filter screen 402 needs to be cleared up on the day, accessible rotates sealed lid 303 on the connecting pipe 7, constantly moves down and rotates when sealed lid 303 rotates, can drive elasticity and scrape strip 301 through elasticity strip 302 and rotate, elasticity is scraped strip 301 and can be scraped the impurity on connecting pipe 7 lateral wall and the filter screen 402 when rotating, when elasticity strip 302 and connecting pipe 7 contact, because elasticity strip 302"V" shape, consequently can make elasticity strip 302 draw close to the centre, can drive elasticity strip 301 and warp when sealed lid 303 moves to certain position, take out the connecting pipe 7 with elasticity strip 301, the accessible operating personnel is cleared up 402 to the filter screen 402 to be convenient for scrape the side wall of the filter screen 402 with elasticity strip 301, thereby the efficiency of using the filter screen 402 has been improved through scraping strip 301.
When the back pressure adjusting device is used, when the back pressure is required to be adjusted, the button 208 is pressed downwards, the driving rod 207 is driven to slide downwards when the button 208 moves downwards, the driving rod 207 slides downwards on the adjusting rod 203, the driving rod 207 is matched with the inclined surface on the first fixing rod 204 in a sliding way, so that the first fixing rod 204 slides rightwards, the first return spring 206 contracts when the first fixing rod 204 slides rightwards, meanwhile, the first fixing rod 204 is not clamped with the fixing groove 205 on the upper push rod 9 any more, the adjusting rod 203 can slide with the upper push rod 9, the adjusting rod 203 slides upwards to drive the adjusting disc 202 to move upwards, the adjusting disc 202 moves upwards to drive the adjusting spring 201 to deform, at the moment, the back pressure adjustment is completed, the adjusting disc 202 drives the adjusting spring 201 to deform, the moving distance of the valve core can be adjusted conveniently and rapidly, after the back pressure adjustment is completed, the button 208 is loosened, the first fixing rod 204 slides leftwards under the action of the first return spring 206, one of the fixing rods 204 is clamped with the fixing groove 205 on the upper push rod 9, and the fixing disc 202 is clamped with the fixing groove 9, so that the fixing of the fixing disc is stable after the fixing of the adjusting disc is improved;
when water flow enters the pressure regulating valve body 1 from the connecting pipe 7 at the water inlet of the pressure regulating valve body 1, impurities in the water flow can be filtered by the filter screen 402 on the mounting frame 401, so that the impurities in the water can be prevented from entering the pressure regulating valve body 1 through the filter screen 402, the blocking of the pressure regulating valve body 1 is avoided, damage to the pressure regulating valve body 1 is avoided, the service life of the pressure regulating valve body 1 is prolonged, when the filter screen 402 needs to be replaced, the filter screen 402 can be inserted into a hexagonal groove on the screw rod 407 through an inner hexagonal wrench, the screw rod 407 is rotated, the sliding plate 406 is driven to slide upwards by threads when the screw rod 407 rotates, the sliding plate 406 is prevented from abutting against two second fixing rods 404, at the moment, the sliding plate 405 can drive the two second fixing rods 404 to slide leftwards and not be clamped with the mounting frame 401, at the moment, the mounting frame 401 can drive the filter screen 402 to slide out of the connecting pipe 7, at the moment, the filter screen 402 can be replaced, and the mounting frame 401 and the connecting pipe 7 are conveniently and rapidly installed through clamping between the second fixing rods 404 and the mounting frame 401, and the screw rod 404 are tightly driven by the second fixing rods 404;
when the filter screen 402 is required to be cleaned on a daily basis, the sealing cover 303 on the connecting pipe 7 can be rotated, the sealing cover 303 continuously moves downwards when rotating, and when rotating, the elastic scraping strip 301 is driven to rotate by the elastic strip 302, impurities on the side wall of the connecting pipe 7 and the filter screen 402 can be scraped by the elastic scraping strip 301 when rotating, when the elastic strip 302 is contacted with the connecting pipe 7, the elastic strip 302 is close to the middle and can drive the elastic scraping strip 301 to deform because of the V-shaped elastic strip 302, and when the sealing cover 303 moves to a certain position, the elastic strip 302 and the elastic scraping strip 301 are brought out of the connecting pipe 7, and at the moment, the filter screen 402 can be cleaned by an operator, so that the impurities on the side wall of the filter screen 402 and the side wall of the connecting pipe 7 can be scraped conveniently by the elastic scraping strip 301, and the use efficiency of the filter screen 402 is improved;
when the first connecting block 10 and the second connecting block 11 are installed on the push rods 9, the second connecting block 11 is firstly positioned between the two push rods 9, then the pressing plate 607 on the first connecting block 10 is pressed, the fourth reset spring 608 contracts when the pressing plate 607 slides rightwards, meanwhile, the pressing plate 607 drives the two driving plates 606 to slide rightwards, the two driving plates 606 respectively enable the two connecting columns 604 to be in rolling fit between the driving grooves 605 on the driving plates 606, the driving grooves 605 are of a V-shaped structure, the two connecting columns 604 drive the two connecting rods 603 to slide oppositely, the fixing blocks 601 are driven to slide oppositely when the connecting rods 603 slide, the connecting rods 603 and the fixing blocks 601 are inserted into the second connecting blocks 11 when the fixing blocks 601 slide oppositely to a certain position, and the four fixing blocks 601 slide under the action of the fourth reset spring 608 through loosening the pressing plate 607, so that the fixing blocks 601 are clamped with the second connecting blocks 11 through the clamping between the fixing blocks 601 and the fixing holes 602, the two connecting blocks 11 are convenient to be in quick butt joint, the two connecting blocks 603 are enabled to slide tightly, the two connecting blocks are enabled to be in tight joint with the two connecting blocks 9, and the two connecting blocks can be connected firmly and firmly by the two connecting blocks, and the two connecting blocks are not connected firmly by the two connecting blocks 9 in a tight manner;
when the internal adjusting spring 201 needs to be replaced, the pressing block 508 is pressed upwards, the third reset spring 509 contracts when the pressing block 508 moves upwards, meanwhile, the limiting rod 506 is driven to slide upwards, the limiting rod 506 slides upwards to be not clamped with the limiting groove 507 on the pressure regulating valve body 1, at the moment, the second reset spring 504 stretches when the connecting ring 503 and the pressure regulating valve body 1 slide, meanwhile, the connecting ring 503 is driven to be connected with the pressure regulating valve body 1 in a rotating mode, the plurality of mounting rods 502 are not clamped with the mounting columns 501 any more when the connecting ring 503 rotates, at the moment, the pressing block 508 can be loosened, the limiting rod 506 is clamped with the other limiting groove 507 on the pressure regulating valve body 1 under the action of the third reset spring 509, at the moment, the limiting rod 505 is fixed, then the cover plate 8 can be detached after the transverse plate mounted through bolts above the adjusting rod 203 is detached, and therefore the connecting ring 503 drives the plurality of mounting rods 502 to be clamped with the mounting columns 501, the cover plate 8 and the pressure regulating valve body 1 can be detached and mounted with each other, and the mounting efficiency of the cover plate 8 is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. A pressure regulating valve for regulating back pressure comprising:
a pressure regulating valve body (1);
a connecting pipe (7), wherein the connecting pipe (7) is arranged on the pressure regulating valve body (1);
the cover plate (8) is arranged on the pressure regulating valve body (1);
the push rod (9) is connected with the pressure regulating valve body (1) in a sliding manner;
the first connecting blocks (10) are connected with the two push rods (9);
the two push rods (9) are connected with the second connecting blocks (11), and the first connecting blocks (10) are detachably connected with the second connecting blocks (11);
the regulating structure (2) is arranged on the regulating valve body (1), the regulating structure (2) comprises a regulating spring (201), the regulating spring (201) is fixedly connected to the regulating valve body (1), the other end of the regulating spring (201) is fixedly connected with a regulating disc (202), the regulating disc (202) is fixedly connected with a regulating rod (203), the regulating rod (203) is slidably connected with a push rod (9) above, the regulating rod (203) is slidably connected with a cover plate (8), a first fixing rod (204) is slidably connected to the regulating rod (203), and a fixing groove (205) above the first fixing rod (204) and the push rod (9) are clamped.
2. The pressure regulating valve of claim 1, wherein: the novel adjustable safety device is characterized in that a driving rod (207) is connected to the first fixing rod (204) in a sliding mode, the driving rod (207) is in sliding fit with an inclined plane on the first fixing rod (204), the driving rod (207) is connected with the adjusting rod (203) in a sliding mode, a button (208) is fixedly connected to the driving rod (207), the button (208) is connected with the adjusting rod (203) in a sliding mode, a first reset spring (206) is fixedly connected between the first fixing rod (204) and the adjusting rod (203), and a plurality of fixing grooves (205) are formed in the pushing rod (9) above.
3. The pressure regulating valve of claim 1, wherein: be equipped with mounting structure (5) on air-vent valve body (1), mounting structure (5) are including erection column (501), fixedly connected with a plurality of erection columns (501) on apron (8), peg graft between erection column (501) and air-vent valve body (1), rotate on air-vent valve body (1) and be connected with go-between (503), fixedly connected with a plurality of installation pole (502) on go-between (503), a plurality of installation pole (502) with a plurality of block between erection column (501), sliding connection between installation pole (502) and air-vent valve body (1), fixedly connected with pull rod (505) on go-between (503), fixedly connected with second reset spring (504) between pull rod (505) and air-vent valve body (1).
4. A backpressure-adjustable pressure regulating valve as defined in claim 3, wherein: the automatic pressure regulating device is characterized in that a limiting rod (506) is connected to the pull rod (505) in a sliding mode, a limiting groove (507) in the pressure regulating valve body (1) is clamped between the limiting rod (506), a pressing block (508) is fixedly connected to the limiting rod (506), the pressing block (508) is connected to the pull rod (505) in a sliding mode, and a third reset spring (509) is fixedly connected between the pressing block (508) and the pull rod (505).
5. The pressure regulating valve of claim 1, wherein: splice through mosaic structure (6) between first connecting block (10) and second connecting block (11), mosaic structure (6) are including fixed block (601), sliding connection has four fixed blocks (601) on second connecting block (11), the block between fixed block (601) and fixed orifices (602) on second connecting block (11), fixedly connected with connecting rod (603) on fixed block (601), connecting rod (603) and first connecting block (10) and second connecting block (11) each other sliding connection.
6. The pressure regulating valve of claim 5, wherein: the connecting rod (603) is rotationally connected with a connecting column (604), the first connecting block (10) is slidingly connected with two driving plates (606), and the two connecting columns (604) on the same side are in rolling fit with driving grooves (605) on the driving plates (606) on the same side.
7. The pressure regulating valve of claim 6, wherein: the driving groove (605) is of a V-shaped structure, a pressing plate (607) is fixedly connected to the driving plate (606), the pressing plate (607) is slidably connected with the first connecting block (10), and a fourth reset spring (608) is fixedly connected between the pressing plate (607) and the first connecting block (10).
8. The pressure regulating valve of claim 1, wherein: be equipped with filtration (4) on connecting pipe (7), filtration (4) are including installing frame (401), can dismantle on connecting pipe (7) and be connected with installing frame (401), fixedly connected with filter screen (402) on installing frame (401), sliding connection has second dead lever (404) on connecting pipe (7), block between second dead lever (404) and installing frame (401), sliding connection has slide (406) on connecting pipe (7), contradict between slide (406) and second dead lever (404).
9. The pressure regulating valve of claim 8, wherein: the connecting pipe (7) is rotationally connected with a screw rod (407), a sliding plate (406) is in threaded connection with the screw rod (407), a pulling plate (405) is fixedly connected to the second fixing rod (404), the pulling plate (405) is in sliding connection with the connecting pipe (7), a sealing ring (403) is fixedly connected to the mounting frame (401), and the sealing ring (403) is clamped with the connecting pipe (7).
10. The pressure regulating valve of claim 1, wherein: the novel scraper is characterized in that a scraping structure (3) is arranged on the connecting pipe (7), the scraping structure (3) comprises an elastic scraping strip (301), the connecting pipe (7) is connected with the elastic scraping strip (301) in a sliding mode, the elastic scraping strip (301) is fixedly connected with the elastic strip (302), the elastic strip (302) is fixedly connected with the sealing cover (303), the elastic strip (302) is of a V-shaped structure, and the sealing cover (303) is connected with the connecting pipe (7) in a threaded mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410205127.0A CN117780940B (en) | 2024-02-26 | 2024-02-26 | Pressure regulating valve capable of regulating back pressure |
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| CN202410205127.0A CN117780940B (en) | 2024-02-26 | 2024-02-26 | Pressure regulating valve capable of regulating back pressure |
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| CN117780940A true CN117780940A (en) | 2024-03-29 |
| CN117780940B CN117780940B (en) | 2024-05-10 |
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|---|---|
| CN117780940B (en) | 2024-05-10 |
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