CN207673908U - Vacuum stabilizing valve - Google Patents
Vacuum stabilizing valve Download PDFInfo
- Publication number
- CN207673908U CN207673908U CN201721736939.XU CN201721736939U CN207673908U CN 207673908 U CN207673908 U CN 207673908U CN 201721736939 U CN201721736939 U CN 201721736939U CN 207673908 U CN207673908 U CN 207673908U
- Authority
- CN
- China
- Prior art keywords
- valve
- spring
- valve rod
- pedestal
- stop collar
- 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
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model is related to a kind of vacuum stabilizing valves, there is valve body, body top to be equipped with bonnet, body base is equipped with pedestal, is equipped with spring base and upper spring in the bonnet cavity of bonnet, upper spring is connected to spring base bottom；Valve rod is equipped in the valve cavity of valve body, lower spring and valve rod downlink stop collar are equipped in the base cavity pocket of pedestal, valve rod downlink stop collar is connected to stem bottom, pedestal and valve rod downlink stop collar double as the spring mounting seat installed for ease of lower spring, lower spring top is connected with valve rod downlink stop collar bottom, and the bottom end of lower spring is connected with the intracavity bottom of pedestal；The side of valve body is connected with external feed stream manifold, the other side is connected with external vacuum pump admission line, under negative pressure condition, valve rod overcomes the spring force of upper spring and lower spring with ovable valve stem downlink stop collar together downlink up to the intracavity bottom close to pedestal, and vacuum stabilizing valve opens work.Moment forms negative pressure, and no pressure loss meets the requirement of Medical negative pressure machine.
Description
Technical field
The utility model is related to the technical field of medical equipment, especially a kind of vacuum stabilizing valve.
Background technology
Medical negative pressure machine is for quickly treating human body wound or Wound treatment, and Medical negative pressure machine is by computer chip controls
Air pump is driven, negative pressure is generated and draws the body fluid of wound, accelerates the blood circulation near wound, makes the chance of wound infection
It substantially reduces, especially to people's surface wound, the ulcer wound that hardly possible exceedes conjunction is very helpful.However, existing most of
The problem of Medical negative pressure machine generally use is throttle valve, but throttle valve has the pressure loss during the work time.
In order to solve the problems, such as that the pressure loss, the technical staff in Medical negative pressure machine field are also attempted throttle valve being replaced with gas
Regulating valve is pressed, but practical operation gets up to find, cannot meet the requirement of Medical negative pressure machine.
Invention content
The technical problems to be solved in the utility model is：In order to overcome the deficiencies in the prior art, provide a kind of true
Empty stabilizing valve, moment form negative pressure, no pressure loss.
Technical solution adopted by the utility model to solve its technical problems is：Vacuum stabilizing valve has valve body, described
Bonnet is provided at the top of valve body, the bottom of valve body is provided with pedestal, it is characterised in that：It is set in the bonnet cavity of the bonnet
It is equipped with spring base and upper spring, the upper spring is connected to the bottom of spring base；It is provided with valve rod in the valve cavity of valve body,
Lower spring and valve rod downlink stop collar are provided in the base cavity pocket of the pedestal, the valve rod downlink stop collar is connected to
The bottom of valve rod, pedestal and valve rod downlink stop collar double as the spring mounting seat installed for ease of lower spring, the top of lower spring
End is connected with the bottom of valve rod downlink stop collar, and the bottom end of lower spring is connected with the intracavity bottom of pedestal；The side of valve body
It is connected with external feed stream manifold, the other side is connected with external vacuum pump admission line, under negative pressure condition, on valve rod overcomes
The spring force of spring and lower spring with ovable valve stem downlink stop collar together downlink up to the intracavity bottom close to pedestal, stablize by vacuum
Valve opens work.
Further specifically, in above-mentioned technical proposal, adjusting bolt, the tune are provided at the top of the bonnet
The bottom of section bolt is connected with spring base, and adjusting bolt is used for adjusting the pretightning force of spring, and vacuum degree is adjusted to reach
Effect.
Further specifically, in above-mentioned technical proposal, the valve rod is Y-shaped, is arranged on the top side wall of valve rod
There is sealing ring mounting groove mouth, sealing ring is provided on the inner wall of the bonnet, the sealing ring in non-negative pressure, bonnet is embedding
Enter in the sealing ring mounting groove mouth of valve rod, realizes sealing function.
Further specifically, in above-mentioned technical proposal, sealing ring installation is provided on the intracavity sidewall of the pedestal
Notch is provided with sealing ring on the side wall of the valve rod downlink stop collar, and the sealing ring of valve rod downlink stop collar is embedded in bottom
In the sealing ring mounting groove mouth of seat, sealing function is realized.
Further specifically, in above-mentioned technical proposal, fixed by several bolts between the valve body and bonnet
Connection, is fixedly connected between valve body and pedestal also by several bolts.
Further specifically, in above-mentioned technical proposal, the valve body passes through with being fixedly connected at contact surface for bonnet
Sealing ring realizes that sealing, valve body realize sealing with being fixedly connected at contact surface for pedestal also by sealing ring.
Further specifically, in above-mentioned technical proposal, has in non-negative pressure, the valve body and be resisted against valve
Lower lip at the top of bar downlink stop collar.
Further specifically, in above-mentioned technical proposal, has under negative pressure condition, on the valve body and be resisted against " Y "
The upper lip of type valve rod head end bottom.
The utility model has the beneficial effects that：Vacuum stabilizing valve provided by the utility model, one end connect air, and one end connects
Vacuum is connect, the spring force of spring is overcome to open under negative pressure state, moment forms negative pressure, and no pressure loss meets Medical negative pressure machine
Requirement.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments described in the application, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram one of the utility model；
Fig. 2 is the structural schematic diagram two of the utility model.
In figure marked as：1, valve body；2, bonnet；3, pedestal；4, spring base；5, upper spring；6, valve rod；7, lower spring；
8, valve rod downlink stop collar；9, adjusting bolt.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
See that Fig. 1 and Fig. 2, the vacuum stabilizing valve of the utility model have valve body 1, the top of valve body 1 is provided with bonnet 2, valve
The bottom of body 1 is provided with pedestal 3, and spring base 4 and upper spring 5 are provided in the bonnet cavity of bonnet 2, and upper spring 5 is connected to bullet
The top of the bottom of spring abutment 4, bonnet 2 is provided with adjusting bolt 9, and the bottom of adjusting bolt 9 is connected with spring base 4, adjusts spiral shell
The bottom of bolt 9 is provided with circular arc protrusion, and the top of spring base 4 is provided with arc groove, and adjusting bolt 9 passes through circle with spring base 4
The mode that arc protrusion is embedded into arc groove realizes that connection, adjusting bolt 9 are used for adjusting the pretightning force of spring 5, is adjusted with reaching
Save the effect of vacuum degree.
It is provided with valve rod 6 in the valve cavity of valve body 1, lower spring 7 and valve rod downlink are provided in the base cavity pocket of pedestal 3
Stop collar 8, valve rod downlink stop collar 8 are connected to the bottom of valve rod 6, and pedestal 3 and valve rod downlink stop collar 8 double as ease of under
The spring mounting seat that spring 7 is installed, the top of lower spring 7 are connected with the bottom of valve rod downlink stop collar 8, the top of lower spring 7
It holds the through-hole across valve rod downlink stop collar 8 and is fixed using fastening nut, the intracavity bottom of the bottom end and pedestal 3 of lower spring 7
It is connected.
Valve rod 6 is Y-shaped, and sealing ring mounting groove mouth is provided on the top side wall of valve rod 6, is arranged on the inner wall of bonnet 2
There is sealing ring, the sealing ring in non-negative pressure, bonnet 2 is embedded in the sealing ring mounting groove mouth of valve rod 6, realizes that sealing is made
With.
The side of valve body 1 is connected with external feed stream manifold, and the other side is connected with external vacuum pump admission line, negative
In the case of pressure, valve rod 1 overcomes the spring force of upper spring 5 and lower spring 7 with ovable valve stem downlink stop collar 8 together downlink until close
The intracavity bottom of pedestal 3, vacuum stabilizing valve open work, at this point, in valve body 1 with the external feed stream manifold chambers being connected and valve
The bonnet cavity of cap 2 is connected.There is the upper lip for being resisted against 6 head end bottom of Y-shaped valve rod on valve body 1, at this point, bonnet 2
Sealing ring is deviate from from the sealing ring mounting groove mouth of valve rod 6.
It is provided with sealing ring mounting groove mouth on the intracavity sidewall of pedestal 3, is provided on the side wall of valve rod downlink stop collar 8 close
The sealing ring of seal, valve rod downlink stop collar 8 is embedded in the sealing ring mounting groove mouth of pedestal 3, realizes sealing function.
It is fixedly connected by several bolts between valve body 1 and bonnet 2, also by several spiral shells between valve body 1 and pedestal 3
Bolt is fixedly connected.Valve body 1 realizes that sealing, valve body 1 are consolidated with pedestal 3 with being fixedly connected at contact surface for bonnet 2 by sealing ring
Determine to realize also by sealing ring at contact surface and seal.
There is the lower lip for being resisted against 8 top of valve rod downlink stop collar in non-negative pressure, valve body 1, at this point, valve body
The bonnet cavity of the chamber being connected with external feed stream manifold in 1 and bonnet 2 is separated.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (8)
1. vacuum stabilizing valve has valve body (1), is provided with bonnet (2) at the top of the valve body (1), the bottom of valve body (1) is set
It is equipped with pedestal (3), it is characterised in that：It is provided with spring base (4) and upper spring (5), institute in the bonnet cavity of the bonnet (2)
The upper spring (5) stated is connected to the bottom of spring base (4)；Valve rod (6), the bottom are provided in the valve cavity of valve body (1)
Lower spring (7) and valve rod downlink stop collar (8) are provided in the base cavity pocket of seat (3), the valve rod downlink stop collar (8) is even
It is connected on the bottom of valve rod (6), pedestal (3) and valve rod downlink stop collar (8) double as the spring peace installed for ease of lower spring (7)
Seat is filled, the top of lower spring (7) is connected with the bottom of valve rod downlink stop collar (8), bottom end and the pedestal (3) of lower spring (7)
Intracavity bottom be connected；The side of valve body (1) is connected with external feed stream manifold, the other side and external vacuum pump admission line
It is connected, under negative pressure condition, valve rod (6) overcomes the spring force of upper spring (5) and lower spring (7) band ovable valve stem downlink stop collar
(8) together downlink until close to pedestal (3) intracavity bottom, vacuum stabilizing valve open work.
2. vacuum stabilizing valve according to claim 1, it is characterised in that：It is provided with adjusting at the top of the bonnet (2)
The bottom of bolt (9), the adjusting bolt (9) is connected with spring base (4), and adjusting bolt (9) is used for adjusting spring (5)
Pretightning force, with have the function that adjust vacuum degree.
3. vacuum stabilizing valve according to claim 1, it is characterised in that：The valve rod (6) is Y-shaped, valve rod (6)
It is provided with sealing ring mounting groove mouth on the side wall of top, sealing ring is provided on the inner wall of the bonnet (2), in non-negative pressure condition
Under, the sealing ring of bonnet (2) is embedded in the sealing ring mounting groove mouth of valve rod (6), realizes sealing function.
4. vacuum stabilizing valve according to claim 1, it is characterised in that：It is arranged on the intracavity sidewall of the pedestal (3)
There is sealing ring mounting groove mouth, sealing ring, valve rod downlink stop collar are provided on the side wall of the valve rod downlink stop collar (8)
(8) sealing ring is embedded in the sealing ring mounting groove mouth of pedestal (3), realizes sealing function.
5. vacuum stabilizing valve according to claim 1, it is characterised in that：Pass through between the valve body (1) and bonnet (2)
Several bolts are fixedly connected, and are fixedly connected also by several bolts between valve body (1) and pedestal (3).
6. vacuum stabilizing valve according to claim 5, it is characterised in that：The valve body (1) connects with the fixed of bonnet (2)
It connects and is realized and seal by sealing ring at contact surface, being fixedly connected at contact surface for valve body (1) and pedestal (3) is real also by sealing ring
Now seal.
7. vacuum stabilizing valve according to claim 1, it is characterised in that：In non-negative pressure, the valve body (1)
With the lower lip being resisted against at the top of valve rod downlink stop collar (8).
8. vacuum stabilizing valve according to claim 3, it is characterised in that：Under negative pressure condition, the valve body has on (1)
There is the upper lip for being resisted against Y-shaped valve rod (6) head end bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721736939.XU CN207673908U (en) | 2017-12-13 | 2017-12-13 | Vacuum stabilizing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721736939.XU CN207673908U (en) | 2017-12-13 | 2017-12-13 | Vacuum stabilizing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673908U true CN207673908U (en) | 2018-07-31 |
Family
ID=62967649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721736939.XU Expired - Fee Related CN207673908U (en) | 2017-12-13 | 2017-12-13 | Vacuum stabilizing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673908U (en) |
-
2017
- 2017-12-13 CN CN201721736939.XU patent/CN207673908U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104696193B (en) | Combined piston for air compressor | |
| CN206754509U (en) | A kind of explosion-proof vent valve of screw-type | |
| CN206035755U (en) | Vacuum pump for appearance is taked care of to negative pressure of piston structure | |
| CN207673908U (en) | Vacuum stabilizing valve | |
| CN208647612U (en) | A kind of vacuum sealing Tea fresh-preservation pot | |
| CN210178941U (en) | Gas regulator suitable for low pressure gas pipe network | |
| CN203564660U (en) | High-flow suction valve for pressurizing oxygen-supplying mask | |
| CN204062045U (en) | A kind of carbon dioxide reduction valve | |
| CN208595269U (en) | A kind of gas valve | |
| CN110236915A (en) | A kind of negative-pressure magnetotherapeutic suction cup | |
| CN204999611U (en) | Medical oxygen generator's silencing device that breathes in | |
| CN207673899U (en) | Check-valves | |
| CN211365638U (en) | Reliable and stable hedgehog hydnum mushroom extract storage device | |
| CN207903086U (en) | Cylinder stealth valve vacuum tank | |
| CN209839680U (en) | Air inlet assembly of pressure tank | |
| CN205525844U (en) | Agalloch eaglewood case | |
| CN207913081U (en) | A kind of auxiliary pad of callisthenics convenient for breathing freely | |
| CN208651079U (en) | A kind of compressor piston device | |
| CN100523576C (en) | Vacuum compression bag gas nozzle with improved structure | |
| CN206658869U (en) | A kind of water circulation oxygen-increasing device in fishpond | |
| CN206816735U (en) | A kind of internal-circulation type gas bar cylinder | |
| WO2020186553A1 (en) | Check valve of sub-machine of aerated water machine | |
| CN206159581U (en) | Novel full -automatic breather valve | |
| CN208185490U (en) | One kind being automatically aligned to valve port | |
| CN209270434U (en) | It is a kind of with the auxiliary positive breast pump of air pressure |
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: 20180731 Termination date: 20181213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |