CN206487927U - A kind of dual fail-safe locking-valve - Google Patents
A kind of dual fail-safe locking-valve Download PDFInfo
- Publication number
- CN206487927U CN206487927U CN201720033773.9U CN201720033773U CN206487927U CN 206487927 U CN206487927 U CN 206487927U CN 201720033773 U CN201720033773 U CN 201720033773U CN 206487927 U CN206487927 U CN 206487927U
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- China
- Prior art keywords
- valve
- locating ring
- seal
- valve body
- valve ball
- 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
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Abstract
The utility model discloses a kind of dual fail-safe locking-valve, aim to provide a kind of good airproof performance, the dual fail-safe locking-valve of service life length, its drip irrigation device is a kind of dual fail-safe locking-valve, including valve body, valve body one end is provided with water inlet end, the valve body other end is provided with water side, valve ball is provided with valve body, valve body is provided with mounting interface, the built-in lock core rotated in mounting interface provided with valve rod and control valve rod, described valve rod one end is connected with built-in lock core, the valve rod other end is connected with valve ball, include the first limited block being connected with valve ball on valve rod, the both sides of first limited block are equipped with raised line, the curved structure of outer wall of raised line, valve ball is provided with the first stopper slot being adapted to the first limited block, the cell wall of first stopper slot is provided with the second stopper slot being interference fitted with raised line, the utility model is applied to valve technology field.
Description
Technical field
The utility model is related to a kind of valve technology field, more specifically, it relates to a kind of dual fail-safe locking-valve.
Background technology
Locking-valve, can pin in the case of, prevent other people maloperations.
At present, the locking-valve of in the market by the key of adaptation, it is necessary to be opened, and usual and valve ball the fit precision of valve rod is not
It is enough, and using after a period of time, the connection end of valve rod and ball valve is easy to wear, so that gap is produced, when causing to screw valve rod, and valve
Ball has not been fully closed, and in drainage, and valve ball rotation can be opposite to the seal generation friction at valve ball two ends, can cause
Abrasion, due to gap can be produced after abrasion, so sealing can be reduced, and valve ball can cause seal play when rotating
And change position, and sealing is reduced, so as to influence the overall service life of locking-valve.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of good airproof performance, service life
Long dual fail-safe locking-valve.
To achieve the above object, the utility model provides following technical scheme：A kind of dual fail-safe locking-valve, including valve body,
Valve body one end is provided with water inlet end, and the valve body other end, which is provided with water side, valve body, is provided with valve ball, and valve body is provided with mounting interface, peace
The intraoral built-in lock core rotated provided with valve rod and control valve rod of attaching, it is characterized in that：Described valve rod one end is connected with built-in lock core,
The valve rod other end is connected with valve ball, the first limited block being connected with valve ball is included on valve rod, the both sides of the first limited block are all provided with
There is raised line, the curved structure of outer wall of raised line, valve ball is provided with the first stopper slot being adapted to the first limited block, the first stopper slot
Cell wall be provided with the second stopper slot being interference fitted with raised line, water inlet end is provided with bonnet, the connection end of water inlet end and valve body
Provided with the first locating ring being placed on valve interior wall, the inwall of bonnet is provided with the second locating ring, the first locating ring and second
Locating ring is placed in valve ball both sides, and first seal is provided between the first locating ring and valve ball, is set between the second locating ring and valve ball
There is a second seal, the conflict end of first seal and the first locating ring is provided with the first limiting section, second seal and second
The conflict end of locating ring is provided with the second limiting section, and the side wall of the first limiting section is connected to form the first arc with first seal
Wall, the side wall of the second limiting section is connected to form the second arcwall with second seal, and the first locating ring is provided with and the first arc
The first snap ring that wall is contradicted, the second locating ring is provided with the second snap ring contradicted with the second arcwall.
By using above-mentioned technical proposal, dress lock core needs to open by the key being adapted to control turning for valve rod
Dynamic, then valve rod is adapted to the rotation of control valve ball, raised line and the second stopper slot interference by the first limited block with the first stopper slot
Coordinate, valve ball can be made to be fixed on valve rod, if producing abrasion, raised line can wear and tear in advance, without making the first limited block and first
Worn and torn in advance between stopper slot, improve anti abrasive duration, so as to increase service life, because the outer wall of raised line is arc knot
Structure, i.e. arcwall face, lifting surface area are big, and surface stress is scattered, so not easy to wear, loosening, the connection of valve ball and valve rod is reliable
Property increase, bonnet is Active Interface, is easy to replace and connects, and the first locating ring and the second locating ring play the role of positioning to valve ball,
First seal makes to play sealing function between the first locating ring and valve ball, and second seal makes between the second locating ring and valve ball
Sealing function is played, so that sealing function can be played during valve ball closure, because the first limiting section is placed in first seal and the
On the inconsistent end face of one locating ring, and positioned at the outside of end face, so when installing, the first limiting section can make first seal
And first leave gap between locating ring, the side wall of the first limiting section is connected to form the first arcwall, first with first seal
Snap ring engages and on the first arcwall, the first snap ring plays fixed position-limiting action to the first locating ring, prevents when valve ball from rotating the
One seal play and influence sealing, while the arcuate structure of the first arcwall can play scattered surface stress, it is ensured that knot
Structure intensity, when screwing bonnet, valve ball can extrude first seal on the first snap ring, and the first limiting section passes through the first snap ring card
Close on the connection end with the first locating ring and valve body, because first seal typically using plastics and has certain elasticity, the
One seal loading can be deformed to gap location, and the first snap ring plays the effect of balance pivot, when valve ball and first seal
Between produce loosening when, first seal has restoring force, makes first seal continue to be brought into close contact with valve ball, keep seal
Property, increase service life, second seal is identical with the structure of first seal, principle is identical, and the effect played is also identical.
The utility model is further arranged to：The valve rod is provided with first annular groove and the second annular groove, first annular
Sealing ring is equipped with groove and the second annular groove.
By using above-mentioned technical proposal, sealing ring can further increase the sealing between valve rod and mounting interface.
The utility model is further arranged to：The built-in lock core includes housing, and the inwall of mounting interface is provided with clamping
Portion, the outer wall of housing is provided with convex edge and hemispherical projection, and the neck being adapted to Access Division is formed between convex edge and projection.
By using above-mentioned technical proposal, Access Division is disposed adjacent at the opening of mounting interface, and convex edge is placed in housing exterior walls
Top, projection is placed in the middle part of housing exterior walls, during installation, and projection stress deformation enters to the lower section of Access Division, makes Access Division
It is placed between projection and convex edge, that is, is placed at the neck between convex edge and projection, projection is in dome-type structure, makes projection outer wall more
Plus it is smooth, it is more prone to install.
Brief description of the drawings
Fig. 1 is a kind of structural representation of dual fail-safe locking-valve embodiment of the utility model.
Fig. 2 is A portions mplifying structure schematic diagram in a kind of dual fail-safe locking-valve embodiment Fig. 1 of the utility model.
Reference is in figure, 1- valve bodies, 2- water inlet ends, 3- water sides, 4- valve balls, 5- mounting interfaces, 6- valve rods, 7-
Built-in lock core, 8- limiting sections, 9- figure bars, 10- bonnets, the locating rings of 11- first, the locating rings of 12- second, 13- first seals,
14- second seals, the limiting sections of 15- first, the arcwalls of 16- first, the snap rings of 17- first, the snap rings of 18- second, the rings of 21- first
Shape groove, the annular grooves of 22- second, 31- Access Divisions, 32- convex edges, 33- projections.
Embodiment
A kind of dual fail-safe locking-valve embodiment of the utility model is described further referring to figs. 1 to Fig. 2.
A kind of dual fail-safe locking-valve, including valve body 1, one end of valve body 1 are provided with water inlet end 2, and the other end of valve body 1 is provided with water side
3, valve body 1 is interior to be provided with valve ball 4, and valve body 1 is provided with what is rotated in mounting interface 5, mounting interface 5 provided with valve rod 6 with control valve rod 6
Built-in lock core 7, it is characterized in that：Described one end of valve rod 6 is connected with built-in lock core 7, and the other end of valve rod 6 is connected with valve ball 4, valve rod 6
Upper the first limited block for including being connected with valve ball 4, the both sides of the first limited block are equipped with raised line 9, and the outer wall of raised line 9 is curved
Structure, valve ball 4 is provided with the first stopper slot being adapted to the first limited block, and the cell wall of the first stopper slot is provided with and the mistake of raised line 9
It is full of the second stopper slot of cooperation, water inlet end 2 is provided with bonnet 10, the connection end of water inlet end 2 and valve body 1 is provided with being placed in valve body 1
The first locating ring 11 on inwall, the inwall of bonnet 10 is provided with the second locating ring 12, the first locating ring 11 and the second locating ring
12 are placed in the both sides of valve ball 4, are provided with first seal 13 between the first locating ring 11 and valve ball 4, the second locating ring 12 and valve ball 4 it
Between be provided with second seal 14, the conflict end of the locating ring 11 of first seal 13 and first is provided with the first limiting section 158, second
The conflict end of the locating ring 12 of seal 14 and second is provided with the second limiting section 8, the side wall of the first limiting section 158 and the first sealing
The connection of part 13 forms the first arcwall 16, and the side wall of the second limiting section 8 is connected the second arcwall of formation with second seal 14,
First locating ring 11 is provided with the first snap ring 17 contradicted with the first arcwall 16, and the second locating ring 12 is provided with and the second arc
The second snap ring 18 that wall is contradicted.
By using above-mentioned technical proposal, dress lock core needs to open by the key being adapted to control valve rod 6
Rotate, then valve rod 6 is adapted to the rotation of control valve ball 4, the stopper slot of raised line 9 and second by the first limited block with the first stopper slot
Interference fit, can be such that valve ball 4 is fixed on valve rod 6, if producing abrasion, raised line 9 can wear and tear in advance, without making the first limited block
Worn and torn in advance between the first stopper slot, anti abrasive duration is improved, so as to increase service life, because the outer wall of raised line 9 is
Arcuate structure, i.e. arcwall face, lifting surface area are big, and surface stress is scattered, so not easy to wear, loosening, valve ball 4 and valve rod 6
Connection reliability increase, bonnet 10 is Active Interface, is easy to replace and connects, 12 pairs of the first locating ring 11 and the second locating ring
Valve ball 4 plays the role of positioning, and first seal 13 makes to play sealing function, second seal between the first locating ring 11 and valve ball 4
14 make to play sealing function between the second locating ring 12 and valve ball 4, so that sealing function can be played during the closure of valve ball 4, due to
First limiting section 15 is placed on the inconsistent end face of the locating ring 11 of first seal 13 and first, and positioned at the outside of end face,
So when installing, the first limiting section 15 can make to leave gap, the first limiting section between the locating ring 11 of first seal 13 and first
15 side wall is connected with first seal 13 in the first arcwall 16 of formation, the engaging of the first snap ring 17 and the first arcwall 16, the
One 17 pair first of snap ring locating ring 11 plays fixed position-limiting action, prevents the play of first seal 13 when valve ball 4 is rotated and influences
Sealing, while the arcuate structure of the first arcwall 16 can play scattered surface stress, it is ensured that structural strength, when screwing bonnet
When 10, valve ball 4 can extrude first seal 13 on the first snap ring 17, and the first limiting section 15 passes through the first snap ring 17 engaging and the
On the connection end of one locating ring 11 and valve body 1, because first seal 13 is typically using plastics and with certain elasticity, first
The stress of seal 13 can be deformed to gap location, and the first snap ring 17 plays the effect of balance pivot, when valve ball 4 and first is sealed
When producing loosening between part 13, first seal 13 has restoring force, makes first seal 13 continue to be brought into close contact with valve ball 4,
Sealing is kept, increases service life, second seal 14 is identical with the structure of first seal 13, and principle is identical, plays
Effect is also identical.
The utility model is further arranged to：The valve rod 6 is provided with the first annular annular groove 22 of groove 21 and second, first
Sealing ring is equipped with the annular groove 22 of annular groove 21 and second.
By using above-mentioned technical proposal, sealing ring can further increase the sealing between valve rod 6 and mounting interface 5
Property.
The utility model is further arranged to：The built-in lock core 7 includes housing, and the inwall of mounting interface 5 is provided with card
Socket part 31, the outer wall of housing is provided with convex edge 32 and hemispherical projection 33, is formed and clamping between convex edge 32 and projection 33
The neck that portion 31 is adapted to.
By using above-mentioned technical proposal, Access Division 31 is disposed adjacent at the opening of mounting interface 5, and convex edge 32 is placed in housing
The top of outer wall, projection 33 is placed in the middle part of housing exterior walls, during installation, and the stress deformation of projection 33 is entered under Access Division 31
Side, makes Access Division 31 be placed between projection 33 and convex edge 32, that is, is placed at the neck between convex edge 32 and projection 33, projection 33 is in
Dome-type structure, makes the outer wall of projection 33 more smooth, is more prone to install.
Preferred embodiment of the present utility model is the foregoing is only, not to limit the utility model, the skill of this area
Art personnel carry out common variations and alternatives in the range of technical solutions of the utility model should all be included in of the present utility model protect
In the range of shield.
Claims (3)
1. a kind of dual fail-safe locking-valve, including valve body, valve body one end are provided with water inlet end, the valve body other end is provided with water side, valve body
Provided with valve ball, valve body is provided with the built-in lock core rotated in mounting interface, mounting interface provided with valve rod and control valve rod, its feature
It is：Described valve rod one end is connected with built-in lock core, and the valve rod other end is connected with valve ball, and the be connected with valve ball is included on valve rod
One limited block, the both sides of the first limited block are equipped with raised line, the curved structure of outer wall of raised line, valve ball be provided with it is first spacing
First stopper slot of block adaptation, the cell wall of the first stopper slot is provided with the second stopper slot being interference fitted with raised line, water inlet end
Provided with bonnet, the connection end of water inlet end and valve body is provided with the first locating ring being placed on valve interior wall, the inwall of bonnet and set
There is the second locating ring, the first locating ring and the second locating ring are placed in valve ball both sides, first is provided between the first locating ring and valve ball
Seal, provided with second seal between the second locating ring and valve ball, sets on the conflict end of first seal and the first locating ring
There is the first limiting section, the conflict end of second seal and the second locating ring is provided with the second limiting section, the side wall of the first limiting section
It is connected to form the first arcwall with first seal, the side wall of the second limiting section is connected to form the second arc with second seal
Wall, the first locating ring is provided with the first snap ring contradicted with the first arcwall, and the second locating ring is provided with and supported with the second arcwall
The second tactile snap ring.
2. a kind of dual fail-safe locking-valve according to claim 1, it is characterized in that：The valve rod is provided with first annular groove and the
Sealing ring is equipped with second ring groove, first annular groove and the second annular groove.
3. a kind of dual fail-safe locking-valve according to claim 1, it is characterized in that：The built-in lock core includes housing, and installation connects
The inwall of mouth is provided with Access Division, and projection of the outer wall provided with convex edge and semicircular in shape of housing is formed between convex edge and projection
The neck being adapted to Access Division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720033773.9U CN206487927U (en) | 2017-01-12 | 2017-01-12 | A kind of dual fail-safe locking-valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720033773.9U CN206487927U (en) | 2017-01-12 | 2017-01-12 | A kind of dual fail-safe locking-valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206487927U true CN206487927U (en) | 2017-09-12 |
Family
ID=59766647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720033773.9U Expired - Fee Related CN206487927U (en) | 2017-01-12 | 2017-01-12 | A kind of dual fail-safe locking-valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206487927U (en) |
-
2017
- 2017-01-12 CN CN201720033773.9U patent/CN206487927U/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: 20170912 Termination date: 20210112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |