CN206889793U - A kind of oxygen conveying valve - Google Patents
A kind of oxygen conveying valve Download PDFInfo
- Publication number
- CN206889793U CN206889793U CN201720691850.XU CN201720691850U CN206889793U CN 206889793 U CN206889793 U CN 206889793U CN 201720691850 U CN201720691850 U CN 201720691850U CN 206889793 U CN206889793 U CN 206889793U
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- valve rod
- flange
- flap
- valve body
- valve
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Abstract
It the utility model is related to a kind of oxygen conveying valve.Including upper valve body and lower valve body, the concordant valve seat of upper limb is provided with the middle part of lower valve intracoelomic cavity；Also include the valve rod being made up of upper valve rod and lower valve rod, the middle and lower part of upper valve rod is located in the matrix of upper valve body, gland is connected using multiple eyelet bolts with matrix, external screw thread is provided with the middle and upper part of upper valve rod and is threaded with neck bush on the external thread part, neck bush is fixedly connected with outer sleeve, and handwheel is provided with the top of upper valve rod；The screwed hole of axial direction is provided with the lower end of upper valve rod, external screw thread is provided with the upper end of lower valve rod, the upper end of lower valve rod is threadedly coupled with the lower end of upper valve rod and uses nut-locking, boss is provided with the middle part of lower valve rod, bottom is provided with switching sleeve, screwed hole is provided with the lower end of lower valve rod, support screw is provided with the screwed hole；Also include flap, flap is fixedly connected with switching sleeve；The lower surface of flap is concordant, and sealing gasket is equipped with the bottom at the top of valve seat and flap.
Description
Technical field
The utility model belongs to valve arrangement technical field, more particularly to a kind of oxygen conveying valve.
Background technology
In Physical Chemistry Experiment and industrial application, often to use oxygen valve to gas medium such as oxygen,
Nitrogen, hydrogen, argon gas etc. are conveyed.These gases are typically all to be stored in special pressure gas cylinder.Lead to during use
Crossing pressure-reducing valve makes gas pressure be down to scope needed for experiment, then is finely tuned by other control valves, makes gas medium input application
System.Existing oxygen valve general structure is complicated, and its valve rod is generally regular length, is not only difficult to ensure that machining accuracy, and
It is and relatively complicated during later maintenance.
Utility model content
The utility model provides a kind of reasonable in design, simplification for technical problem present in solution known technology and added
Work difficulty, ensure machining accuracy, later maintenance easily oxygen conveying valve.
The utility model is adopted the technical scheme that to solve technical problem present in known technology：A kind of oxygen is defeated
Send includes upper valve body and lower valve body with valve, upper valve body include bottom be provided with flange in the bottom matrix and by arc support arm with
The outer sleeve of matrix connection, is equipped with end flange at the entrance and exit of lower valve body, top is provided with the top of lower valve body
Flange, flange in the bottom dock connection with top flange, and the concordant valve seat of upper limb is provided with the middle part of lower valve intracoelomic cavity；Also include by
The valve rod that upper valve rod and lower valve rod are formed, the middle and lower part of upper valve rod is located in the matrix of upper valve body, in the outer wall and base of upper valve rod
Filler is provided between the inwall of body, gland is provided with the top of filler, gland is connected using multiple eyelet bolts with matrix, upper
The middle and upper part of valve rod is provided with external screw thread and neck bush is threaded with the external thread part, and neck bush is fixed with outer sleeve to be connected
Connect, handwheel is installed on the top of upper valve rod；The screwed hole of axial direction is provided with the lower end of upper valve rod, is provided with the upper end of lower valve rod
External screw thread, the upper end of lower valve rod are threadedly coupled with the lower end of upper valve rod and use nut-locking, are provided with the middle part of lower valve rod convex
Platform, switching sleeve is provided with the bottom of lower valve rod, and screwed hole is provided with the lower end of lower valve rod, and support spiral shell is provided with the screwed hole
Nail；Also include flap, flap is fixedly connected with switching sleeve；The lower surface of flap is concordant, at the top of valve seat and the bottom of flap
Portion is equipped with sealing gasket.
The advantages of the utility model and good effect are：It is defeated that the utility model provides a kind of oxygen reasonable in design
Send and use valve, compared with existing oxygen valve device, by setting valve rod to be carried out by threaded connection, locknut in the technical program
The upper valve body of locking and the structure type of lower valve body, avoid longer valve rod and be difficult to process and be difficult to ensure that machining accuracy
Problem, the partition between upper valve rod and lower valve rod can be completed by nut in the maintenance process in later stage, improve maintenance dimension
The convenience of shield.By setting boss at the middle part of lower valve rod, set in the lower section of boss and fixed turn is lifted by support screw
Female connector cylinder and setting is fixedly connected between flap and switching sleeve, be ensure that the structural strength of flap installation, is improved flap and exist
Stability during valve long time running.
Preferably：External screw thread is provided with the outer wall of switching sleeve, is provided with the top of flap with female extension
Sleeve, extension socket are threadedly coupled with switching sleeve.
Preferably：The anti-dropping gasket of metal material is provided between extension socket and switching sleeve.
Preferably：Both flange in the bottom and top flange are fixedly connected by multiple connecting bolts of circumference, in bottom method
It is blue to be additionally provided with sealing ring between the two with top flange.
Preferably：Multiple otic placodes radially extended outward, each work are provided with the outer wall of the matrix of upper valve body
The lower end of section bolt is articulated and connected with each otic placode.
Preferably：Key connection between neck bush and outer sleeve.
Brief description of the drawings
Fig. 1 is main structure diagram of the present utility model.
In figure：1st, handwheel；2nd, upper valve rod；3rd, neck bush；4th, gland；5th, eyelet bolt；6th, filler；7th, flap；8th, valve seat；
9th, upper valve body；10th, connecting bolt；11st, flange in the bottom；12nd, top flange；13rd, switching sleeve；14th, support screw；15th, end
Flange；16th, lower valve body；17th, sealing gasket；18th, locknut；19th, lower valve rod；20th, boss；21st, anti-dropping gasket；22nd, outer sleeve.
Embodiment
For invention, features and effects of the present utility model can be further appreciated that, hereby lift following examples and describe in detail
It is as follows：
Fig. 1 is referred to, oxygen conveying of the present utility model includes upper valve body 9 and lower valve body 16 with valve.
Upper valve body 9 includes the outer sleeve that bottom is provided with the matrix of flange in the bottom 11 and is connected by arc support arm with matrix
22, end flange 15 is equipped with the entrance and exit of lower valve body 16, top flange 12, bottom are provided with the top of lower valve body 16
Portion's flange 11 docks connection with top flange 12.As shown in FIG., both flange in the bottom 11 and top flange 12 pass through circumference
Multiple connecting bolts 10 are fixedly connected, and sealing ring is additionally provided between the two in flange in the bottom 11 and top flange 12.
The concordant valve seat 8 of upper limb is provided with the middle part of the inner chamber of lower valve body 16.
Also include the valve rod being made up of upper valve rod 2 and lower valve rod 19, the middle and lower part of upper valve rod 2 is located at the matrix of upper valve body 9
It is interior, filler 6 is provided between the outer wall of upper valve rod 2 and the inwall of matrix, is provided with gland 4 in the top of filler 6, gland 4 uses
Multiple eyelet bolts 5 are connected with matrix.In the present embodiment, on the outer wall of the matrix of upper valve body 9 be provided with it is multiple radially
The otic placode extended outward, lower end and each otic placode of each eyelet bolt 5 are articulated and connected.
External screw thread is provided with the middle and upper part of upper valve rod 2 and neck bush 3, neck bush 3 are threaded with the external thread part
It is fixedly connected with outer sleeve 22, handwheel 1 is installed on the top of upper valve rod 2.In the present embodiment, neck bush 3 and outer sleeve 22 it
Between key connection.
The screwed hole of axial direction is provided with the lower end of upper valve rod 2, external screw thread is provided with the upper end of lower valve rod 19, lower valve rod 19
Upper end is threadedly coupled with the lower end of upper valve rod 2 and uses locknut 18 to lock.Boss 20 is provided with the middle part of lower valve rod 19, in lower valve
The bottom of bar 19 is provided with switching sleeve 13, and screwed hole is provided with the lower end of lower valve rod 19, and support screw is provided with the screwed hole
14, support screw 14 screws its rear nut portion and upwards holds out against switching sleeve 13 in the bottom of boss 20.
Also include flap 7, flap 7 is fixedly connected with switching sleeve 13；The lower surface of flap 7 is concordant, at the top of valve seat 8
Sealing gasket 17 is equipped with the bottom of flap 7.
In the present embodiment, external screw thread is provided with the outer wall of switching sleeve 13, is provided with the top of flap 7 and carries internal thread
Extension socket, extension socket is threadedly coupled with switching sleeve 13.Further, set between extension socket and switching sleeve 13
There is the anti-dropping gasket 21 of metal material.
Claims (6)
1. a kind of oxygen conveying valve, it is characterized in that：Including upper valve body (9) and lower valve body (16), upper valve body (9) includes bottom
Matrix provided with flange in the bottom (11) and the outer sleeve (22) being connected by arc support arm with matrix, in entering for lower valve body (16)
Mouth and exit are equipped with end flange (15), and top flange, flange in the bottom (11) and top are provided with the top of lower valve body (16)
Portion's flange (12) docking connection, the concordant valve seat (8) of upper limb is provided with the middle part of lower valve body (16) inner chamber；
Also include the valve rod being made up of upper valve rod (2) and lower valve rod (19), the middle and lower part of upper valve rod (2) is located at upper valve body (9)
In matrix, filler (6) is provided between the outer wall of upper valve rod (2) and the inwall of matrix, gland is provided with the top of filler (6)
(4), gland (4) is connected using multiple eyelet bolts (5) with matrix, external screw thread is provided with the middle and upper part of upper valve rod (2) and at this
Neck bush (3) is threaded with external thread part, neck bush (3) is fixedly connected with outer sleeve (22), on the top of upper valve rod (2)
Handwheel (1) is installed；The screwed hole of axial direction is provided with the lower end of upper valve rod (2), external screw thread is provided with the upper end of lower valve rod (19),
The upper end of lower valve rod (19) is threadedly coupled with the lower end of upper valve rod (2) and uses locknut (18) to lock, in lower valve rod (19)
Portion is provided with boss (20), is provided with switching sleeve (13) in the bottom of lower valve rod (19), screw thread is provided with the lower end of lower valve rod (19)
Hole, support screw (14) is provided with the screwed hole；Also include flap (7), flap (7) is fixedly connected with switching sleeve (13)；
The lower surface of flap (7) is concordant, and sealing gasket (17) is equipped with the bottom of the top of valve seat (8) and flap (7).
2. oxygen conveying valve as claimed in claim 1, it is characterized in that：Outer spiral shell is provided with the outer wall of switching sleeve (13)
Line, it is provided with the top of flap (7) and is threadedly coupled with female extension socket, extension socket with switching sleeve (13).
3. oxygen conveying valve as claimed in claim 2, it is characterized in that：Set between extension socket and switching sleeve (13)
There is the anti-dropping gasket (21) of metal material.
4. oxygen conveying valve as claimed in claim 1, it is characterized in that：Both flange in the bottom (11) and top flange (12)
It is fixedly connected by multiple connecting bolts (10) of circumference, is additionally provided between the two in flange in the bottom (11) and top flange (12)
Sealing ring.
5. oxygen conveying valve as claimed in claim 1, it is characterized in that：It is provided with the outer wall of the matrix of upper valve body (9)
Multiple otic placodes radially extended outward, the lower end of each eyelet bolt (5) are articulated and connected with each otic placode.
6. oxygen conveying valve as claimed in claim 1, it is characterized in that：Key connects between neck bush (3) and outer sleeve (22)
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720691850.XU CN206889793U (en) | 2017-06-14 | 2017-06-14 | A kind of oxygen conveying valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720691850.XU CN206889793U (en) | 2017-06-14 | 2017-06-14 | A kind of oxygen conveying valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889793U true CN206889793U (en) | 2018-01-16 |
Family
ID=61318740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720691850.XU Active CN206889793U (en) | 2017-06-14 | 2017-06-14 | A kind of oxygen conveying valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889793U (en) |
-
2017
- 2017-06-14 CN CN201720691850.XU patent/CN206889793U/en active Active
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| GR01 | Patent grant |