CN218267432U - Regulation formula backpressure valve - Google Patents
Regulation formula backpressure valve Download PDFInfo
- Publication number
- CN218267432U CN218267432U CN202221602236.9U CN202221602236U CN218267432U CN 218267432 U CN218267432 U CN 218267432U CN 202221602236 U CN202221602236 U CN 202221602236U CN 218267432 U CN218267432 U CN 218267432U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- wall
- ventilation pipe
- pressure valve
- residual pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000011324 bead Substances 0.000 claims abstract description 8
- 244000309464 bull Species 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 3
- 230000006378 damage Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 210000002445 nipple Anatomy 0.000 abstract 1
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Air-Flow Control Members (AREA)
Abstract
The utility model provides a regulation formula residual pressure valve relates to valve technical field, the novel nipple rectifier comprises a wall body, wall body internally mounted has the ventilation pipe, wall body inner wall bearing is connected with the bull stick, and bull stick outer wall fixedly connected with deep bead, deep bead front end fixedly connected with slip strip, and the slip strip outside is connected with the balancing weight through adjustment mechanism. The utility model discloses a be provided with slip strip and balancing weight, changed traditional counter weight mode, avoided its in-process in transportation and installation to cause the injury to work, be provided with adjustment mechanism simultaneously, can adjust from top to bottom the position of balancing weight to adjust its to ventilation pipe internal pressure.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to an adjust formula backpressure valve.
Background
The residual pressure valve is a device which is arranged for maintaining certain indoor static pressure and realizing the automatic control without energy consumption of positive pressure of an air-conditioning room, is a one-way opened air volume adjusting device, adjusts the opening degree according to the static pressure difference, balances the air pressure by using the position of a heavy hammer, can be widely used for a cleaning workshop or a clean room, and is used for maintaining the positive pressure difference between the indoor and the outdoor to discharge the redundant air in the room and prevent the outdoor air from invading;
the existing counterweight mode is generally combined by an inclined column type inserted bar and a counterweight ball, but the column type inserted bar is too long in the existing counterweight mode, so that the workers are easily injured during transportation and installation, the pressure on a ventilation opening cannot be adjusted in the traditional counterweight mode, and the applicability is poor.
There is therefore a need for an adjustable residual pressure valve that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, solving traditional counter weight mode that proposes in the above-mentioned background art and being not safe enough, and can't adjust the problem to the pressure of vent.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a regulation formula backpressure valve, includes the wall body, wall body internally mounted has the ventilation pipe, wall body inner wall bearing is connected with the bull stick, and bull stick outer wall fixedly connected with deep bead, deep bead front end fixedly connected with slip strip, and the slip strip outside is connected with the balancing weight through adjustment mechanism.
Preferably, adjustment mechanism includes the cavity, the inside cavity of having seted up of balancing weight, and cavity inner wall bearing is connected with the threaded rod, the threaded rod left and right sides is the design of symmetry formula screw thread form, and threaded rod left and right sides outer wall all threaded connection have the connecting plate, and are two sets of the connecting plate all is through butt pole butt in the slip.
Preferably, the left end of the threaded rod is fixedly connected with a connecting rod, and the left end of the connecting rod is fixedly connected with a rotating handle.
Preferably, the inner wall of the cavity is provided with a sliding groove, the sliding groove is connected with two groups of sliding blocks in a sliding mode, and two groups of ends, far away from the sliding groove, of the sliding blocks are fixedly connected to the two groups of connecting plates respectively.
Preferably, the inner walls of the upper side and the lower side of the ventilation pipe are fixedly connected with sealing blocks, and one side of each group of sealing blocks, which is far away from the inner wall of the ventilation pipe, and the upper side and the lower side of the wind shield are both arranged into mutually matched inclined shapes.
Preferably, two sets of one side that the ventilation pipe was kept away from to the sealed piece all fixedly connected with sealed the pad, and sealed pad sets up to the rubber material.
Compared with the prior art, the utility model has the advantages and positive effects that,
in the utility model, the sliding strip and the balancing weight are arranged, the traditional balancing weight mode is changed, the damage to the work in the transportation and installation process is avoided, and meanwhile, the adjusting mechanism is arranged, the position of the balancing weight can be adjusted up and down, so that the pressure in the ventilation pipe can be adjusted;
the sealing block and the sealing gasket are arranged at the same time, the rotation direction of the wind shield is limited, the wind shield can only rotate anticlockwise by taking the rotating rod as a center, the impact force of the wind shield when the wind shield is reset is buffered, and the noise generated by collision of the wind shield and the sealing block when the wind shield is reset is reduced.
Drawings
Fig. 1 shows a schematic perspective view of a structure provided according to an embodiment of the present invention;
fig. 2 shows a schematic perspective cross-sectional structure provided according to an embodiment of the present invention;
fig. 3 shows a schematic diagram of a three-dimensional cross-sectional structure at a counterweight according to an embodiment of the present invention.
Illustration of the drawings:
110. a wall body; 120. a ventilation pipe; 210. a rotating rod; 220. a wind deflector; 230. a slide bar; 240. a balancing weight; 241. a chamber; 242. a threaded rod; 243. a connecting plate; 244. abutting against the connecting rod; 245. a connecting rod; 246. turning a handle; 247. a chute; 248. a slider; 250. a sealing block; 260. and a gasket.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
As shown in fig. 1-3, in the embodiment of the present invention: the utility model provides a regulation formula excess pressure valve, includes wall body 110, wall body 110 internally mounted has ventilation pipe 120, wall body 110 inner wall bearing is connected with bull stick 210, and bull stick 210 outer wall fixedly connected with deep bead 220, deep bead 220 front end fixedly connected with slide bar 230, and the slide bar 230 outside is connected with balancing weight 240 through adjustment mechanism, has changed traditional counter weight mode, has avoided it to cause the injury to work at the in-process of transportation and installation.
Adjustment mechanism includes cavity 241, and cavity 241 has been seted up to balancing weight 240 inside, and cavity 241 inner wall bearing is connected with threaded rod 242, and the threaded rod 242 left and right sides is the design of symmetry formula screw thread form, and threaded rod 242 left and right sides outer wall all threaded connection has connecting plate 243, and two sets of connecting plates 243 all connect in slider 230 through butt joint pole 244.
During the adjustment, when needing to adjust the height of balancing weight 240, it rotates to rotate 246 to grip, can drive connecting rod 245 and threaded rod 242 and rotate, effect through threaded rod 242 and two sets of connecting plate 243 threaded connection, can drive two sets of connecting plates 243 and remove to threaded rod 242 both sides, when butt pole 244 and sliding strip 230 break away from the butt, can adjust balancing weight 240 from top to bottom along sliding strip 230's orbit, adjust the completion back, reverse rotation changes 246, can two sets of connecting plates 243 move to the middle of threaded rod 242, it can guarantee balancing weight 240 in the stability after adjusting to carry out the butt to sliding strip 230 through two sets of butt rods 244, can adjust from top to bottom the position of balancing weight 240, thereby adjust its pressure to ventilation pipe 120.
The left end of the threaded rod 242 is fixedly connected with a connecting rod 245, and the left end of the connecting rod 245 is fixedly connected with a rotating handle 246.
Through this design, be convenient for the operating personnel to hold the commentaries on classics handle 246 and rotate, comparatively laborsaving.
A sliding groove 247 is formed in the inner wall of the cavity 241, two sets of sliding blocks 248 are slidably connected inside the sliding groove 247, and one ends of the two sets of sliding blocks 248 far away from the sliding groove 247 are respectively and fixedly connected to the two sets of connecting plates 243.
By this design, the stability of the two sets of connection plates 243 when moving is ensured.
The sealed piece 250 of all fixedly connected with of both sides inner wall about ventilation pipe 120, and the one side that ventilation pipe 120 inner wall was kept away from to two sets of sealed pieces 250 and wind shield 220 about both sides all set up the slope form that matches each other, and the sealed pad 260 of all fixedly connected with in one side that ventilation pipe 120 was kept away from to two sets of sealed pieces 250, and sealed pad 260 sets up to rubber material.
With this design, the rotation direction of wind deflector 220 is restricted such that wind deflector 220 can rotate counterclockwise only about rotation lever 210, and the impact force of wind deflector 220 at the time of reset is buffered, thereby reducing the noise generated by collision of wind deflector 220 with seal block 250 at the time of reset.
To sum up, the utility model discloses a theory of operation does: when needing to highly adjusting balancing weight 240, it rotates 246 to grip to change, can drive connecting rod 245 and threaded rod 242 and rotate, effect through threaded rod 242 and two sets of connecting plate 243 threaded connection, can drive two sets of connecting plates 243 and remove to threaded rod 242 both sides, when butt pole 244 and sliding strip 230 break away from the butt, can adjust balancing weight 240 from top to bottom along the orbit of sliding strip 230, adjust the completion back, the contrarotation changes 246, can two sets of connecting plates 243 move to the middle of the threaded rod 242, it can guarantee balancing weight 240 after the regulation to carry out the butt to sliding strip 230 through two sets of butt poles 244.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiments into equivalent variations to apply to other fields, but all those persons do not depart from the technical contents of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a regulation formula residual pressure valve, includes wall body (110), wall body (110) internally mounted has ventilation pipe (120), its characterized in that: wall body (110) inner wall bearing is connected with bull stick (210), and bull stick (210) outer wall fixedly connected with deep bead (220), deep bead (220) front end fixedly connected with sliding strip (230), and sliding strip (230) outside is connected with balancing weight (240) through adjustment mechanism.
2. An adjustable residual pressure valve according to claim 1, wherein: adjustment mechanism includes cavity (241), cavity (241) have been seted up to balancing weight (240) inside, and cavity (241) inner wall bearing is connected with threaded rod (242), the threaded rod (242) left and right sides is the design of symmetry formula screw thread form, and threaded rod (242) left and right sides outer wall all threaded connection have connecting plate (243), two sets of connecting plate (243) all connect in slide bar (230) through butt pole (244).
3. A regulated residual pressure valve according to claim 2, wherein: the left end of the threaded rod (242) is fixedly connected with a connecting rod (245), and the left end of the connecting rod (245) is fixedly connected with a rotating handle (246).
4. A regulated residual pressure valve according to claim 3, wherein: the inner wall of the cavity (241) is provided with a sliding groove (247), the sliding groove (247) is internally and slidably connected with two groups of sliding blocks (248), and one ends, far away from the sliding groove (247), of the two groups of sliding blocks (248) are respectively and fixedly connected to the two groups of connecting plates (243).
5. A regulated residual pressure valve according to claim 3, wherein: the inner walls of the upper side and the lower side of the ventilation pipe (120) are fixedly connected with sealing blocks (250), and one side, far away from the inner wall of the ventilation pipe (120), of each sealing block (250) and the upper side and the lower side of the wind shield (220) are both set to be inclined and matched with each other.
6. An adjustable residual pressure valve according to claim 5, wherein: two sets of one side that ventilation pipe (120) was kept away from in sealed piece (250) all fixedly connected with sealed pad (260), and sealed pad (260) set up to the rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221602236.9U CN218267432U (en) | 2022-06-24 | 2022-06-24 | Regulation formula backpressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221602236.9U CN218267432U (en) | 2022-06-24 | 2022-06-24 | Regulation formula backpressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218267432U true CN218267432U (en) | 2023-01-10 |
Family
ID=84757722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221602236.9U Expired - Fee Related CN218267432U (en) | 2022-06-24 | 2022-06-24 | Regulation formula backpressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218267432U (en) |
-
2022
- 2022-06-24 CN CN202221602236.9U patent/CN218267432U/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: 20230110 |