CN209083513U - A kind of gas ballast valve for vacuum pump - Google Patents
A kind of gas ballast valve for vacuum pump Download PDFInfo
- Publication number
- CN209083513U CN209083513U CN201821917914.4U CN201821917914U CN209083513U CN 209083513 U CN209083513 U CN 209083513U CN 201821917914 U CN201821917914 U CN 201821917914U CN 209083513 U CN209083513 U CN 209083513U
- Authority
- CN
- China
- Prior art keywords
- valve body
- screw rod
- end cap
- vacuum pump
- adjusting
- 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
Abstract
The utility model discloses a kind of gas ballast valves for vacuum pump, are related to vacuum pump and gas ballast valve engineering device technique field.The utility model includes valve body, and adjusting rod is equipped in valve body, and the bottom end of adjusting rod is equipped with a steel ball, and steel ball resists spring；The side of adjusting rod is in axial direction evenly equipped with 2-5 piston, and the top of adjusting rod is equipped with a head, and head is equipped with a groove；Several gag lever posts are additionally provided on valve body, several gag lever posts are distributed in the side that boom end is adjusted in valve body in a ring, and being screwed on gag lever post has a stop collar；A regulating mechanism is additionally provided on valve body, regulating mechanism includes an end cap being fixed on valve body and the adjusting screw rod being mutually threadedly engaged with end cap.The utility model solves the problems, such as that existing adjusting screw rod gets rusty and replacement cost is high when thread abrasion by being removably equipped with the regulating mechanism that is made of end cap and adjusting screw rod on valve body.
Description
Technical field
The utility model belongs to vacuum pump and gas ballast valve engineering device technique field, more particularly to a kind of gas for vacuum pump
Town valve.
Background technique
Gas ballast valve is that have direct influence, existing gas ballast valve to the performance of vacuum pump for extracting condensable gas
It is mounted on pump cover or the pump housing；Existing gas ballast valve generally comprises valve body, adjusting screw rod, steel ball and spring composition, passes through adjusting
Screw rod is adjusted；Existing adjusting screw rod generally uses screw connection structure, and adjusting screw rod is mostly made of metal, metal
Adjusting screw rod easily get rusty and adjusting screw rod outside screw thread long-time service be also easy to produce abrasion etc. influence gas ballast valve use the problem of；It is existing
Some adjusting screw rods get rusty or the generally frequent integral replacing gas ballast valve of thread abrasion, replacement cost are higher.
Utility model content
The purpose of this utility model is to provide a kind of gas ballast valves for vacuum pump, by removably setting on valve body
By the regulating mechanism being made of end cap and adjusting screw rod, solve that existing adjusting screw rod gets rusty and replacement cost is high when thread abrasion
The problem of.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is a kind of gas ballast valve for vacuum pump, including valve body, and adjusting rod is equipped in the valve body, described
The bottom end of adjusting rod is equipped with a steel ball, and the steel ball resists spring；The side of the adjusting rod is in axial direction evenly equipped with 2-5
Piston, the top of the adjusting rod are equipped with a head, and the head is equipped with a groove；
Several gag lever posts are additionally provided on the valve body, several gag lever posts, which are distributed in a ring in valve body, adjusts boom end
Side, being screwed on the gag lever post has a stop collar；
Be additionally provided with a regulating mechanism on the valve body, the regulating mechanism include an end cap being fixed on valve body and with
The adjusting screw rod that end cap is mutually threadedly engaged；
Wherein, the top of the end cap is equipped with a screwed pipe being mutually threadedly engaged with adjusting screw rod, and the screwed pipe is one
The bottom of riffled tube, the end cap is equipped with a flange, and the bottom side of the flange is evenly equipped with several positioning columns, the positioning column
It is equipped with positioning through hole, the positioning through hole extends through flange and positioning column；The valve body is equipped with and matches with flange
Sealed groove, the sealed groove are equipped with the location hole matched with positioning column, and the location hole is equipped with and positioning through hole phase
The Blind locating holes of cooperation；
Wherein, the top of the adjusting screw rod is equipped with a nut, and the nut is equipped with an operation portion, the adjusting screw rod
Bottom end be equipped with one with spherical surface mandril.
Further, the end cap is connected by standing screw with valve body.
Further, bottom side is equipped with gasket in the sealed groove.
Further, the stop collar includes a limit ring body, and the one side of the limit ring body is equipped with and limit
The threaded joints that bar matches, the threaded joints are a riffled tube or male-pipe.
Further, the side of the adjusting rod is in axial direction equipped with the fixed mechanism for fixed piston, described solid
Determining mechanism includes along the equally distributed fixed block of the radial direction of adjusting rod, and the fixed block is a T-block.
The utility model has the following beneficial effects:
1, the utility model is on valve body by being removably equipped with the regulating mechanism that is made of end cap and adjusting screw rod, and
It is equipped with piston on adjusting rod, the abrasion of traditional adjusting rod is avoided to replace, solves existing adjusting screw rod and gets rusty and thread abrasion
When the high problem of replacement cost.
2, fixing seal is cooperated with the sealed groove for being equipped with gasket by flange between the utility model end cap and valve body,
Good seal performance.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the utility model gas ballast valve structural schematic diagram；
Fig. 2 is partial enlarged view at A in Fig. 1；
Fig. 3 is the utility model stop collar structural schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " end ", "bottom", "top", "inner", " side " etc. refer to
Show orientation or positional relationship, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion meaning
Component or element must have a particular orientation, and be constructed and operated in a specific orientation, therefore should not be understood as practical new to this
The limitation of type.
It please refers to shown in Fig. 1-2, the utility model is a kind of gas ballast valve for vacuum pump, including valve body 1, in valve body 1
Equipped with adjusting rod 11, the bottom end of adjusting rod 11 is equipped with a steel ball 12, and steel ball 12 resists spring 13；All lateral edges of adjusting rod 11 are axial
Direction is evenly equipped with 2-5 piston 16, and the top of adjusting rod 11 is equipped with a head 14, and head 14 is equipped with a groove 15；
Several gag lever posts 21 are additionally provided on valve body 1, several gag lever posts 21 are distributed in 11 end of adjusting rod in valve body 1 in a ring
Side, being screwed on gag lever post 21 has a stop collar 22；
Be additionally provided with a regulating mechanism on valve body 1, regulating mechanism include an end cap 3 being fixed on valve body 1 and with end cap 3
The adjusting screw rod 4 being mutually threadedly engaged；
Wherein, the top of end cap 3 is equipped with a screwed pipe 31 being threadedly engaged with 4 phase of adjusting screw rod, and screwed pipe 31 is in one
The bottom of screwed pipe, end cap 3 is equipped with a flange 32, and the bottom side of flange 32 is evenly equipped with several positioning columns 33, sets on positioning column 33
There is positioning through hole 34, positioning through hole 34 extends through flange 32 and positioning column 33；Valve body 1 is close equipped with matching with flange 32
Groove 17 is sealed, sealed groove 17 is equipped with the location hole 18 matched with positioning column 33, and location hole 18 is equipped with and positioning through hole 34
The Blind locating holes 19 matched；
Wherein, the top of adjusting screw rod 4 is equipped with a nut 42, and nut 42 is equipped with an operation portion 43, the bottom of adjusting screw rod 4
End is equipped with a mandril 41 with spherical surface.
Preferably, end cap 3 is connected by standing screw 35 with valve body 1.
Preferably, bottom side is equipped with gasket in sealed groove 17.
It please refers to shown in Fig. 3, it is preferable that stop collar 22 includes a limit ring body 221, limits the side of ring body 221
Face is equipped with the threaded joints 222 matched with gag lever post 21, and threaded joints 222 are a riffled tube or male-pipe.
Preferably, the side of adjusting rod 11 is in axial direction equipped with the fixed mechanism for fixed piston 16, fixed mechanism
Including the equally distributed fixed block of radial direction along adjusting rod 11, fixed block is a T-block.
Preferably, by adjusting screw rod 4, threadingly pipe 31 is rotated when use, is resisted adjusting rod 11 by mandril 41 and is pressed
Contracting spring 13 is to be adjusted.
Preferably, the piston 16 in the utility model, adjusting screw rod 4 and end cap 3 are conveniently replaceable.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of gas ballast valve for vacuum pump, including valve body (1), the valve body (1) is interior to be equipped with adjusting rod (11), the adjusting
The bottom end of bar (11) is equipped with a steel ball (12), and the steel ball (12) resists spring (13), it is characterised in that:
The side of the adjusting rod (11) is in axial direction evenly equipped with 2-5 piston (16), and the top of the adjusting rod (11) is set
Have a head (14), the head (14) is equipped with a groove (15)；
It is additionally provided with several gag lever posts (21) on the valve body (1), several gag lever posts (21) are distributed in a ring in valve body (1)
The side of adjusting rod (11) end, being screwed on the gag lever post (21) has a stop collar (22)；
A regulating mechanism is additionally provided on the valve body (1), the regulating mechanism includes an end cap (3) being fixed on valve body (1)
And the adjusting screw rod (4) being mutually threadedly engaged with end cap (3)；
Wherein, the top of the end cap (3) is equipped with a screwed pipe (31) being mutually threadedly engaged with adjusting screw rod (4), the screw thread
Managing (31) is a riffled tube, and the bottom of the end cap (3) is equipped with a flange (32), and the bottom side of the flange (32) is evenly equipped with
Several positioning columns (33), the positioning column (33) are equipped with positioning through hole (34), and the positioning through hole (34) extends through flange
(32) and positioning column (33)；The valve body (1) is equipped with the sealed groove (17) matched with flange (32), the sealed groove
(17) it is equipped with the location hole (18) matched with positioning column (33), the location hole (18) is equipped with to be matched with positioning through hole (34)
The Blind locating holes (19) of conjunction；
Wherein, the top of the adjusting screw rod (4) is equipped with a nut (42), and the nut (42) is equipped with an operation portion (43),
The bottom end of the adjusting screw rod (4) is equipped with a mandril (41) with spherical surface.
2. a kind of gas ballast valve for vacuum pump according to claim 1, which is characterized in that the end cap (3) passes through solid
Determine screw rod (35) to be connected with valve body (1).
3. a kind of gas ballast valve for vacuum pump according to claim 1, which is characterized in that in the sealed groove (17)
Bottom side is equipped with gasket.
4. a kind of gas ballast valve for vacuum pump according to claim 1, which is characterized in that the stop collar (22) includes
The one side of one limit ring body (221), limit ring body (221) is equipped with the threaded connection matched with gag lever post (21)
Portion (222), the threaded joints (222) are a riffled tube or male-pipe.
5. a kind of gas ballast valve for vacuum pump according to claim 1, which is characterized in that the week of the adjusting rod (11)
Lateral edge axial direction is equipped with the fixed mechanism for fixed piston (16), and the fixed mechanism includes the radial direction along adjusting rod (11)
The equally distributed fixed block in direction, the fixed block are a T-block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821917914.4U CN209083513U (en) | 2018-11-21 | 2018-11-21 | A kind of gas ballast valve for vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821917914.4U CN209083513U (en) | 2018-11-21 | 2018-11-21 | A kind of gas ballast valve for vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083513U true CN209083513U (en) | 2019-07-09 |
Family
ID=67124946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821917914.4U Expired - Fee Related CN209083513U (en) | 2018-11-21 | 2018-11-21 | A kind of gas ballast valve for vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209083513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765275A (en) * | 2020-06-22 | 2020-10-13 | 浙江凯立特真空科技有限公司 | Gas ballast valve for vacuum pump |
-
2018
- 2018-11-21 CN CN201821917914.4U patent/CN209083513U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765275A (en) * | 2020-06-22 | 2020-10-13 | 浙江凯立特真空科技有限公司 | Gas ballast valve for vacuum pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109277841A (en) | A kind of thin-wall tube inner support tooling | |
| CN209083513U (en) | A kind of gas ballast valve for vacuum pump | |
| CN209041726U (en) | A kind of valve handle extension device | |
| CN208503579U (en) | A kind of oil syringe pressure limiting valve | |
| CN205503582U (en) | Ultrahigh -pressure supercharger | |
| CN109578697B (en) | Single-pillar stand pipe support with lateral adjusting and assembling mechanism | |
| CN203627994U (en) | Integrated upper and lower flow limiting adjustment mechanism of diaphragm actuator | |
| CN210599769U (en) | Novel stainless steel eyelet bolt | |
| CN208785797U (en) | Device is used in conjunction in a kind of rectifying still and rectifying column | |
| CN203783348U (en) | Clamping piece fordoor and window outer frame | |
| CN209317097U (en) | A kind of connecting flange structure applied to preparing chromatograph in industry separation | |
| CN204134783U (en) | A kind of Novel spraying machine | |
| CN103591367B (en) | The spacing guiding mechanism of the upper and lower flow of diaphragm actuator integral type | |
| CN208734366U (en) | A kind of coal mine dynamic hydraulic bracket hydraulic control one-way valve | |
| CN108799605A (en) | Linear motion valve with steel column connecting mechanism | |
| CN208221052U (en) | A kind of micro-adjusting mechanism of valveless ceramic plunger pump | |
| CN201671903U (en) | Transverse adjusting oil cylinder | |
| CN209654220U (en) | A kind of pressure pump with position limitation protection junction function | |
| CN104826360A (en) | An adjustable enriching column | |
| CN206555475U (en) | External screw thread cock | |
| CN210371545U (en) | Stainless steel bolt | |
| CN104764502A (en) | Large-flow reciprocating piston type flow meter | |
| CN206018002U (en) | A kind of stop valve | |
| CN203823044U (en) | Air cylinder end cover structure | |
| CN208169244U (en) | A kind of fuel-displaced flange |
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: 20190709 Termination date: 20211121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |