CN209294512U - A kind of micro- pendulum-type sphere-contact shut-off valve - Google Patents
A kind of micro- pendulum-type sphere-contact shut-off valve Download PDFInfo
- Publication number
- CN209294512U CN209294512U CN201821914837.7U CN201821914837U CN209294512U CN 209294512 U CN209294512 U CN 209294512U CN 201821914837 U CN201821914837 U CN 201821914837U CN 209294512 U CN209294512 U CN 209294512U
- Authority
- CN
- China
- Prior art keywords
- valve
- contact
- flap
- micro
- contact surface
- 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.)
- Active
Links
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a kind of micro- pendulum-type sphere-contact shut-off valves, including valve body, the inside of the valve body offers medium access and medium is engaged in this profession, medium access and medium are connected with valve passage between engaging in this profession, and flap is equipped in valve passage, and the outside of the flap is cased with flap set, the upper end of flap is connected with concave spherical surface contact surface, valve rod is installed, valve body is run through in the upper end of valve rod, and one end that valve rod is placed in outside valve body is connected with handwheel in the valve passage above concave spherical surface contact surface.This micro- pendulum-type sphere-contact shut-off valve, matched by convex spherical contact surface with concave spherical surface contact surface and is contacted, this structure energy adjust automatically contact surface, spherical surface is changed to by original part contact and surrounds most of contact entirely, reduction valve rod weighs damage wounded with valve flap contacts face, prolong the service life, this structure energy adjust automatically contact surface；Flap can be swung slightly, increase the free positioning of flap, and valve seal effect is more preferable.
Description
Technical field
The utility model relates to valve technology field, specially a kind of micro- pendulum-type sphere-contact shut-off valve.
Background technique
Shut-off valve is also known as pipe valve valve, belongs to forced seal formula valve, so when valve is closed, it is necessary to apply to flap and press
Power is not leaked with forced seal face.When medium is by entering valve below flap, the resistance overcome required for operating force, is valve
The frictional force of bar and filler and the thrust as caused by the pressure of medium, the power of closing valve is bigger than the power of valve opening door, so valve rod
Diameter it is big, the failure of valve rod bending otherwise can occur.It is divided into three kinds by connection type: flanged joint, screwed connection, welding
Connection.After the appearance of the valve of self-sealing, the medium flow direction of shut-off valve just changes by entering valve chamber above flap, at this moment in medium pressure
Under power effect, the power of closing valve is small, and the power of valve opening door is big, and the diameter of valve rod can be reduced correspondingly.Meanwhile it being acted in medium
Under, the valve of this form is also relatively tight.
Existing shut-off valve valve rod lower end is spherical surface, and flap upper end is plane, and contact surface is few, is easily pressed when valve is closed
Hurt contact surface, influence the positioning of flap and then influence the sealing surface sealing effect of valve, shortens the service life of valve.
Utility model content
The purpose of this utility model is to provide a kind of micro- pendulum-type sphere-contact shut-off valves, have adjust automatically contact surface,
The advantages of prolonging the service life solves the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of micro- pendulum-type sphere-contact shut-off valve, packet
Include valve body, the inside of the valve body offers medium access and medium is engaged in this profession, medium access and medium engage in this profession between be connected with valve
Channel is equipped with flap in valve passage, and the outside of the flap is cased with flap set, and the upper end of flap is connected with concave spherical surface contact
Face is equipped with valve rod in the valve passage above concave spherical surface contact surface, and valve body is run through in the upper end of the valve rod, and valve rod is placed in outside valve body
The one end in portion is connected with handwheel, is equipped with front and back guide plate by bolt on the valve rod below handwheel, and the lower end of valve rod is connected with convex
Sphere-contact face, convex spherical contact surface are in contact with concave spherical surface contact surface, the inner wall of the two sides of convex spherical contact surface and flap set
Engaging, the upper end of convex spherical contact surface are connected with spacing collar, and the lower surface of spacing collar is in contact with flap set, above spacing collar
Filler is installed, the upper surface of the filler is connected with gland, and one end of the gland, which is run through, work in valve passage
Bolt is tied, the lower end of the slip-knot bolt is connect by straight pin with valve body, and the upper end of slip-knot bolt passes through hex nut and fills out
Material gland is fixed.
Preferably, the valve rod runs through filler and gland.
Preferably, the outer wall of the flap set and the inner wall of valve passage connect.
Preferably, the convex spherical contact surface and concave spherical surface contact surface match.
Preferably, bracket is installed, side and the valve body of bracket are fixed on the valve rod between the front and back guide plate and handwheel
Connection, valve rod run through bracket and front and back guide plate.
Preferably, there are the movable spaces of spacing collar between the flap set and filler.
Compared with prior art, the beneficial effects of the utility model are as follows:
This micro- pendulum-type sphere-contact shut-off valve is equipped with concave spherical surface contact surface in the upper end of flap, connects in the lower end of valve rod
Convex spherical contact surface is matched with concave spherical surface contact surface by convex spherical contact surface and is contacted, this structure energy adjust automatically contact surface,
Spherical surface is changed to by original part contact and surrounds most of contact entirely, weigh damage of the valve rod with valve flap contacts face is reduced, extends
Service life, this structure energy adjust automatically contact surface.This micro- pendulum-type sphere-contact shut-off valve, flap can be swung slightly, increase valve
The free positioning of valve, valve seal effect are more preferable.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model；
Fig. 2 is the part-structure figure of the utility model；
Fig. 3 is the former part-structure figure of the utility model.
In figure: 1, valve body；11, medium access；12, medium is engaged in this profession；13, valve passage；2, flap；21, concave spherical surface contact surface；
3, flap set；4, valve rod；41, convex spherical contact surface；42, spacing collar；5, filler；6, gland；7, slip-knot bolt；71, circle
Pin；72, hex nut；8, handwheel；9, front and back guide plate.
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 making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to Fig. 1-3, a kind of micro- pendulum-type sphere-contact shut-off valve, including valve body 1, the inside of valve body 1 and offers medium
Access 11 and medium engage in this profession 12, and medium access 11 and medium engage in this profession and be connected with valve passage 13 between 12, are equipped in valve passage 13
Flap 2, the outside of flap 2 are cased with flap set 3, and flap 2 is flexibly connected with flap set 3, and the upper end of flap 2 is connected with concave spherical surface and connects
Contacting surface 21 is equipped with valve rod 4 in the valve passage 13 of the top of concave spherical surface contact surface 21, and valve body 1 is run through in the upper end of valve rod 4, and valve rod 4 is set
One end outside valve body 1 is connected with handwheel 8, is equipped with front and back guide plate 9 by bolt on the valve rod 4 of 8 lower section of handwheel, front and back is led
Bracket is installed, the side of bracket is fixedly connected with valve body 1, and valve rod 4 is through bracket with before on the valve rod 4 between plate 9 and handwheel 8
Back guide 9, the rotation band ovable valve stem 4 of handwheel 8 move up and down, and the lower end of valve rod 4 is connected with convex spherical contact surface 41, convex spherical contact
Face 41 and concave spherical surface contact surface 21 match, and convex spherical contact surface 41 is in contact with concave spherical surface contact surface 21, by original part
Contact is changed to spherical surface and surrounds most of contact entirely, reduces the damage of 4 contact surface of valve rod, prolongs the service life, convex spherical contact surface
41 two sides engage with the inner wall of flap set 3, and the outer wall of flap set 3 is connect with the inner wall of valve passage 13, convex spherical contact surface 41
Upper end be connected with spacing collar 42, the lower surface of spacing collar 42 is in contact with flap set 3, in the valve passage 13 of 42 top of spacing collar
Filler 5 is installed, there are the movable spaces of spacing collar 42 between flap set 3 and filler 5, when valve rod 4 moves up and down, drive limit
Circle 42 moves up and down, and the upper surface of filler 5 is connected with gland 6, and valve rod 4 runs through filler 5 and gland 6, gland 6
One end through there is a slip-knot bolt 7, the lower end of slip-knot bolt 7 is connect by straight pin 71 with valve body 1, the upper end of slip-knot bolt 7
It is fixed by hex nut 72 and gland 6.
The course of work: in use, by up twisting handwheel 8, valve rod 4 is moved up, and convex spherical contact surface 41 is driven to move up, with
Concave spherical surface contact surface 21 separates, and the activity of flap 2, medium enters from medium access 11, by the valve passage 13 of 4 lower section of valve rod, from
Medium is engaged in this profession 12 outflows, when closing valve, handwheel 8 is twisted down, valve rod 4 moves down, and convex spherical contact surface 41 is contacted with concave spherical surface
Face 21 is in contact, and flap 2 is pushed to move down, and is combined with flap set 3, valve passage 13 is blocked, obstruct medium access 11 and medium
It engages in this profession 12 connections.
In summary: this micro- pendulum-type sphere-contact shut-off valve is equipped with concave spherical surface contact surface 21 in the upper end of flap 2, in valve
The lower end of bar 4 connects convex spherical contact surface 41, is matched by convex spherical contact surface 41 with concave spherical surface contact surface 21 and is contacted, this knot
Structure energy adjust automatically contact surface is changed to spherical surface by original part contact and surrounds most of contact entirely, reduces valve rod 4 and flap 2
Contact surface weighs damage wounded, prolongs the service life, this structure energy adjust automatically contact surface.This micro- pendulum-type sphere-contact shut-off valve,
Flap can be swung slightly, increase the free positioning of flap, and valve seal effect is more preferable.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of micro- pendulum-type sphere-contact shut-off valve, including valve body (1), it is characterised in that: the inside of the valve body (1) offers
Medium access (11) and medium are engaged in this profession (12), and medium access (11) and medium engage in this profession and be connected with valve passage (13), valve between (12)
It is equipped with flap (2) in channel (13), the outside of the flap (2) is cased with flap set (3), and the upper end of flap (2) is connected with recessed
Sphere-contact face (21) is equipped with valve rod (4) in the valve passage (13) above concave spherical surface contact surface (21), the valve rod (4)
Valve body (1) is run through in upper end, and valve rod (4) is placed in the external one end of valve body (1) and is connected with handwheel (8), the valve rod below handwheel (8)
(4) it is equipped with front and back guide plate (9) on by bolt, the lower end of valve rod (4) is connected with convex spherical contact surface (41), convex spherical contact
Face (41) is in contact with concave spherical surface contact surface (21), and the two sides of convex spherical contact surface (41) engage with the inner wall of flap set (3), convex
The upper end in sphere-contact face (41) is connected with spacing collar (42), and the lower surface of spacing collar (42) is in contact with flap set (3), limit
It is equipped with filler (5) in valve passage (13) above circle (42), the upper surface of the filler (5) is connected with gland (6), institute
One end of gland (6) is stated through having slip-knot bolt (7), the lower end of the slip-knot bolt (7) passes through straight pin (71) and valve
The upper end of body (1) connection, slip-knot bolt (7) is fixed by hex nut (72) and gland (6).
2. a kind of micro- pendulum-type sphere-contact shut-off valve according to claim 1, it is characterised in that: the valve rod (4) is run through
Filler (5) and gland (6).
3. a kind of micro- pendulum-type sphere-contact shut-off valve according to claim 1, it is characterised in that: the flap set (3)
Outer wall is connect with the inner wall of valve passage (13).
4. a kind of micro- pendulum-type sphere-contact shut-off valve according to claim 1, it is characterised in that: the convex spherical contact surface
(41) match with concave spherical surface contact surface (21).
5. a kind of micro- pendulum-type sphere-contact shut-off valve according to claim 1, it is characterised in that: the front and back guide plate (9)
Bracket is installed, the side of bracket is fixedly connected with valve body (1), and valve rod (4) is through branch on the valve rod (4) between handwheel (8)
Frame and front and back guide plate (9).
6. a kind of micro- pendulum-type sphere-contact shut-off valve according to claim 1, it is characterised in that: the flap set (3) and
There are spacing collar (42) movable spaces between filler (5).
7. a kind of micro- pendulum-type sphere-contact shut-off valve according to claim 1, it is characterised in that: the flap (2) can be micro-
Micro- swing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914837.7U CN209294512U (en) | 2018-11-20 | 2018-11-20 | A kind of micro- pendulum-type sphere-contact shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914837.7U CN209294512U (en) | 2018-11-20 | 2018-11-20 | A kind of micro- pendulum-type sphere-contact shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209294512U true CN209294512U (en) | 2019-08-23 |
Family
ID=67643880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821914837.7U Active CN209294512U (en) | 2018-11-20 | 2018-11-20 | A kind of micro- pendulum-type sphere-contact shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209294512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116025720A (en) * | 2023-03-27 | 2023-04-28 | 中鸿阀门股份有限公司 | Elastic sealing stop valve |
-
2018
- 2018-11-20 CN CN201821914837.7U patent/CN209294512U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116025720A (en) * | 2023-03-27 | 2023-04-28 | 中鸿阀门股份有限公司 | Elastic sealing stop valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209294512U (en) | A kind of micro- pendulum-type sphere-contact shut-off valve | |
| CN201851683U (en) | Bidirectional flow pneumatic angle place valve | |
| CN209414652U (en) | A kind of fluoroplastics lining sampling valve | |
| CN104896129A (en) | Parallel type double-gate gate valve | |
| CN111810664B (en) | Vacuum die-casting stop valve of hydraulic pump | |
| CN202561069U (en) | Self pressure-relieving type double valve plate soft seal butterfly valve | |
| CN204985792U (en) | Parallel gate valve | |
| CN202327149U (en) | Self-sealing stop valve | |
| CN109442055B (en) | Fluoroplastic lining sampling valve | |
| CN212959903U (en) | Fire-fighting signal butterfly valve capable of improving sealing performance | |
| CN211780219U (en) | Valve linkage control system on high-pressure medium conveying line | |
| CN214838417U (en) | Stop valve | |
| CN110848429A (en) | Cut-off double-purpose valve | |
| CN112594413B (en) | Ball valve | |
| CN105318025A (en) | Double-disc wedge gate valve adopting composite spring connection | |
| CN210949952U (en) | Ultra-high pressure guide plate flat gate valve | |
| CN205207721U (en) | Parallel gate valve | |
| CN210531618U (en) | Pneumatic stop valve for high-pressure oxygen | |
| CN204344939U (en) | A kind of high-pressure stop valve | |
| CN210716044U (en) | Electric gate valve for high-pressure gas pipeline | |
| CN209146447U (en) | A kind of flange form shut-off valve | |
| CN106641295A (en) | High-temperature-resisting check and stop valve | |
| CN111237644A (en) | Valve linkage control system on high-pressure medium conveying line | |
| CN201159310Y (en) | Check valve | |
| CN204664604U (en) | The linkage structure of stop valve inside |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |