CN207333916U - A kind of limiter of moment for valve - Google Patents
A kind of limiter of moment for valve Download PDFInfo
- Publication number
- CN207333916U CN207333916U CN201720806799.2U CN201720806799U CN207333916U CN 207333916 U CN207333916 U CN 207333916U CN 201720806799 U CN201720806799 U CN 201720806799U CN 207333916 U CN207333916 U CN 207333916U
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- CN
- China
- Prior art keywords
- valve
- limiter
- hole
- housing
- actuator
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Abstract
The utility model provides a kind of limiter of moment for valve, including actuator fast joint, it includes axle sleeve, and axle sleeve is equipped with away from one end of the housing and connects hole soon；The hole wall for connecing hole soon is equipped with some ball, and the steel ball moved back and forth along its axis is provided with ball；Housing, it is rotatably connected to actuator fast joint, and the gap between actuator fast joint and housing passes through adjustable with the adjusting nut of actuator fast joint thread connection；Friction plate is installed in gap between actuator fast joint and housing.Limiter of moment described in the utility model for valve, steel ball is driven by sliding fast female connector shell, can realize and be installed on the fast assembling-disassembling of the execution set on actuator.By adjusting nut, adaptability adjusting can be carried out to the frictional force that friction plate produces.
Description
Technical field
The utility model belongs to technical field of valve control, more particularly, to a kind of overload protective device.
Background technology
Existing oil pipeline generally can carry out the conducting of pipeline and closure using large size valve.Due to large size valve
Volume is more huge, and the opening and closing of its own is also all to drive the control piece of valve internal to rotate by actuator to realize.
Since the start and stop of actuator are all the processes of a gradual change, i.e., running actuator after receiving and ceasing and desisting order,
It is not static immediately, it needs a process gradually slowed down.During above-mentioned deceleration, even if valve has been switched off
Or maximum position is opened to, but actuator can still drive the control piece of valve internal to rotate.In this case, Valve controlling part
It will be subject to excessive torsion, it is easy to damage.
Utility model content
In view of this, the utility model is directed to a kind of limiter of moment for valve, to solve in the prior art,
For valve during opening and closing, its internal control piece is subject to the excessive torsion of actuator, the problem of be easy to causeing damage.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of limiter of moment for valve, including housing, it is rotatably connected to actuator fast joint, and actuator connects soon
Gap between head and housing passes through adjustable with the adjusting nut of actuator fast joint thread connection；Actuator fast joint and housing
Between gap in friction plate is installed；Drive disk, it is fixed in one end that housing deviates from actuator fast joint.
Further, the actuator fast joint includes axle sleeve, and axle sleeve is equipped with away from one end of the housing and connects hole soon；Connect soon
The hole wall in hole is equipped with some ball, and the steel ball moved back and forth along its axis is provided with ball.
Further, the outer sheath of the axle sleeve is equipped with fast female connector shell, and the madial wall of fast female connector shell is equipped with and the steel ball
Position is corresponding to move back ball groove；It is fast that compression spring is installed between female connector shell and axle sleeve, and along its axis on the lateral wall of fast female connector shell
To being evenly equipped with some anti-skid chequers.
Further, the longitudinal section for connecing hole soon is hexagon, connects in hole and is plugged with and the corresponding execution of its pass soon
Set, performs the clamping annular groove for being additionally provided with the lateral wall of set and engaging with the steel ball.
Further, the housing is equipped with connection through hole, and the actuator fast joint, which further includes, to be placed in connection through hole, and with
The inner sleeve of housing into rotation connection；In the part insertion inner sleeve of the axle sleeve, and key connection between the two.
Further, limit is additionally provided with by fastener axial restraint between the inner sleeve and axle sleeve, and between inner sleeve and axle sleeve
Bit slice.
Further, border is equipped with and embraces pressure ring on the hole wall of the connection through hole；The inner sleeve, which passes through, embraces a pressure ring, outside inner sleeve
Circle side wall is equipped with preceding throw-out collar, and preceding throw-out collar is located between the drive disk and armful pressure ring；The adjusting nut positioned at embrace pressure ring with
Between axle sleeve, and adjusting nut is threadedly coupled with inner sleeve；The friction plate is annular, and shares two, is respectively placed in preceding throw-out collar
Between armful pressure ring and between adjusting nut and armful pressure ring.
Further, it is additionally provided with butterfly spring between the adjusting nut and friction plate；Pacify between butterfly spring and friction plate
Equipped with pressure pad, stopping shim is installed between butterfly spring and adjusting nut；The inner sleeve is further sleeved with copper sheathing, and copper sheathing is placed in institute
State and embrace between pressure ring and inner sleeve.
Further, the end of the drive disk is equipped with all directions head, and the outer contour of all directions head longitudinal section is octagon；From all directions
The end of head is equipped with the driving front hole of perforation.
Further, shield plug is removably connected with the driving front hole, protects the cylindrical side wall of plug equipped with some anti-skidding
Groove.
Relative to the prior art, the limiter of moment described in the utility model for valve has the advantage that：
Limiter of moment described in the utility model for valve, it is convenient for disassembly and assembly, securely and reliably.By sliding fast female connector
Shell drives steel ball, can realize and be installed on the quick-snap connection of the execution set on actuator.Pass through all directions on drive disk
Head, can quickly make the control piece of itself and valve internal be sequentially connected.By adjusting nut, can rub to friction plate generation
Wipe power and carry out adaptability adjusting.When the torsion that actuator produces is more than setting value, actuator fast joint produces opposite with housing
Rotate, avoid excessive torsion from causing the damage of valve internal control piece.
Brief description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form the improper restriction to the utility model.
In attached drawing：
Fig. 1 is the main view of the limiter of moment for valve described in the utility model embodiment to semi-cutaway；
Fig. 2 is the enlarged drawing of I parts in Fig. 1；
Fig. 3 is enlarged drawing of the II parts under clamped condition in Fig. 1；
Fig. 4 is enlarged drawing of the II parts under dismounting state in Fig. 1.
Description of reference numerals：
1- shield plugs；2- drive disks；201- all directions head；3- driving fronts hole；4- inner sleeves；Throw-out collar before 401-；5- housings；501- is embraced
Pressure ring；6- banking stops；7- axle sleeves；701- ball；8- performs set；Driving hole after 801-；802- is clamped annular groove；The fast female connector shells of 9-；
901- anti-skid chequers；902- moves back ball groove；10- friction plates；11- copper sheathings；12- stopping shims；13- adjusting nuts；14- butterfly bullets
Spring；15- pressure pads；16- compression springs；17- steel balls.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Such as Fig. 1-3, the utility model proposes a kind of limiter of moment for valve, including housing 5, it is rotatably connected to
Actuator fast joint, the gap between actuator fast joint and housing 5 pass through the adjustment spiral shell with actuator fast joint thread connection
Mother 13 is adjustable；Friction plate 10 is installed in the gap between actuator fast joint and housing 5；Drive disk 2, it is fixed in housing 5
Away from one end of actuator fast joint.
The drive disk that actuator fast joint is used for quickly with actuator is sequentially connected；And drive disk 2 be used for in valve
The control piece in portion is sequentially connected.By the gap value between adjusting actuator fast joint and housing 5, the pressure to friction plate 10 is realized
The adjustment of tight degree, and then the size of the frictional force between adjusting actuator fast joint and housing 5.
Above-mentioned actuator fast joint includes axle sleeve 7, and axle sleeve 7 is equipped with away from one end of above-mentioned housing 5 and connects hole soon；Hole is connect soon
Hole wall is equipped with some ball 701, and the steel ball 17 moved back and forth along its axis is provided with ball 701.Ball 701 along connecing hole soon
Radially extend, and ball 701 surrounds and connects the axis in hole soon and be evenly distributed with.Ball 701 is smaller with connecing one end aperture that hole connects soon,
After execution set 8 is separated with axle sleeve 7, which can prevent steel ball 17 from coming off out of ball 701.
The outer sheath of above-mentioned axle sleeve 7 is equipped with fast female connector shell 9, and the madial wall of fast female connector shell 9 is equipped with and above-mentioned steel ball 17
Put and corresponding move back ball groove 902；Compression spring 16 is installed between fast female connector shell 9 and axle sleeve 7, and on the lateral wall of fast female connector shell 9
Some anti-skid chequers 901 are evenly equipped with along its axial direction.Fast female connector shell 9 is pushed and pulled vertically, when fast female connector shell 9 blocks ball 701, ball
Steel ball 17 in hole 701 is squeezed to press to connect in hole soon and moves, and realizes and is connected and fixed to connecing the set of the execution in hole 8 soon.Such as Fig. 4, when
Move back ball groove 902 and ball 701 to it is corresponding when steel ball 17 can be retracted into by ball 701 in ball groove 902, performing set 8 can carry out
Plug.Compression spring 16 realizes that axle sleeve 7 automatically resets in the case of inadmissible.
The above-mentioned longitudinal section for connecing hole soon is hexagon, connects in hole and is plugged with and the corresponding execution set 8 of its pass, execution soon
The clamping annular groove 802 engaged with above-mentioned steel ball 17 is additionally provided with the lateral wall of set 8.The longitudinal section for being clamped annular groove 802 is " V " type,
When plug performs set 8 steel ball 17 can be promoted to be moved into ball 701.Hexagon or polygon connect hole and can make execution soon
Set 8 is rotated with axle sleeve 7, and steel ball 17 is engaged with clamping annular groove 802, can be fixed to the axial direction for performing set 8.
Perform the rear driving hole 801 that perforation is equipped with set 8, the drive disk key connection of rear driving hole 801 and actuator.
Above-mentioned housing 5 be equipped with connection through hole, above-mentioned actuator fast joint further include is placed in connection through hole in, and with housing 5
The inner sleeve 4 of rotation connection；In the part insertion inner sleeve 4 of above-mentioned axle sleeve 7, and key connection between the two.Axle sleeve 7 passes through inner sleeve 4
It is rotatablely connected with housing 5.
By fastener axial restraint between above-mentioned inner sleeve 4 and axle sleeve 7, and banking stop is additionally provided between inner sleeve 4 and axle sleeve 7
6.Realized and be sequentially connected by key between inner sleeve 4 and axle sleeve 7, both rotate synchronously；Further through fastening between inner sleeve 4 and axle sleeve 7
Part realizes axial restraint.Banking stop 6 can engage axle sleeve 7, and ensureing inner sleeve 4 and axle sleeve 7, both are coaxial.
Border, which is equipped with, on the hole wall of above-mentioned connection through hole embraces pressure ring 501；Above-mentioned inner sleeve 4, which passes through, embraces a pressure ring 501, inner sleeve 4
Cylindrical side wall is equipped with preceding throw-out collar 401, and preceding throw-out collar 401 is located between above-mentioned drive disk 2 and armful pressure ring 501；Above-mentioned adjusting nut
13 positioned at embracing between pressure ring 501 and axle sleeve 7, and adjusting nut 13 is threadedly coupled with inner sleeve 4；Above-mentioned friction plate 10 is annular, and
Two are shared, before being respectively placed between throw-out collar 401 and armful pressure ring 501 and between adjusting nut 13 and armful pressure ring 501.Pass through rotation
Turn adjusting nut 13, change the distance between adjusting nut 13 and preceding throw-out collar 401, i.e., adjusting nut 13 (preceding throw-out collar 401) is with embracing
The distance between pressure ring 501.Whole nut 13 (preceding throw-out collar 401) is with embracing pressure ring 501 apart from smaller, friction plate 10 and both generations
Frictional force is bigger, is also just less susceptible to produce relative rotation between actuator fast joint and housing 5, that is, the torsion produced is got over
Greatly.
Butterfly spring 14 is additionally provided between above-mentioned adjusting nut 13 and friction plate 10；Between butterfly spring 14 and friction plate 10
Pressure pad 15 is installed, stopping shim 12 is installed between butterfly spring 14 and adjusting nut 13.Adjusting nut 13 is rotated, makes its pressure
Compel butterfly spring 14 to deform, elastic force caused by butterfly spring 14 acts on friction plate 10, can be preferably with embracing
Pressure ring 501 contacts.Pressure pad 15 and stopping shim 12 are provided to make butterfly spring 14 reliably produce elastic force, and elastic force is uniform
Be delivered on friction plate 10.
Above-mentioned inner sleeve 4 is further sleeved with copper sheathing 11, and copper sheathing 11 is placed between above-mentioned armful of pressure ring 501 and inner sleeve 4.The structure be for
Mitigate inner sleeve 4 and embrace the mutual abrasion between pressure ring 501, increase both service life.
The end of above-mentioned drive disk 2 is equipped with all directions first 201, and the outer contour of first 201 longitudinal section is octagon from all directions；From all directions
First 201 end is equipped with the driving front hole 3 of perforation.The structure enables to make drive disk 2 more reliable and more stable and valve
Internal control piece is sequentially connected.
Shield plug 1 is removably connected with above-mentioned driving front hole 3, the cylindrical side wall of shield plug 1 is equipped with some anti-slip tanks.Shield
Plug 1 can prevent dust 1 from entering the inside of drive disk 2 by driving front hole 3, and then friction plate 10 is polluted, and make it
Failure.
8 be sleeved in use, will first perform set on the drive disk of actuator, promote fast female connector shell 9 make to move back ball groove 902 it is right
Quasi- ball 701.After axle sleeve 7 is sleeved on execution set 8, fast female connector shell 9 is unclamped, steel ball 17 is realized with clamping annular groove 802 to be engaged
It is fixed.
By from all directions first 201, by the control piece grafting of drive disk 2 and valve internal.
After installation is complete, adjusting nut 13 is rotated, changes the pressure that friction plate 10 is subject to.
When the torsion that actuator produces is less than setting value, under the drive for the frictional force that friction plate 10 produces, with this reality
With the valve internal control piece of new connection as actuator rotates.After the completion of valve opening or closing, its internal control
Part is not rotated further by, if actuator is still rotating at this time, its torsion produced will gradually increase.When the torsion is more than setting value,
During the frictional force that i.e. friction plate 10 produces, relatively rotate, realized to valve internal control between actuator fast joint and housing 5
The protective effect of product.
Limiter of moment described in the utility model for valve, it is convenient for disassembly and assembly, securely and reliably.By sliding fast female connector
Shell 9 drives steel ball 17, can realize and be installed on the quick-snap connection of the execution set 8 on actuator.By on drive disk 2
All directions first 201, can quickly make the control piece of itself and valve internal be sequentially connected., can be to friction by adjusting nut 13
The frictional force that piece 10 produces carries out adaptability adjusting.When actuator produce torsion be more than setting value when, actuator fast joint and
Housing 5 produces relative rotation, and avoids excessive torsion from causing the damage of valve internal control piece.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (10)
- A kind of 1. limiter of moment for valve, it is characterised in that including：Housing (5), it is rotatably connected to actuator fast joint, and the gap between actuator fast joint and housing (5) passes through with holding The adjusting nut (13) of row device fast joint thread connection is adjustable；It is provided with gap between actuator fast joint and housing (5) Friction plate (10)；Drive disk (2), it is fixed in one end that housing (5) deviates from actuator fast joint.
- 2. the limiter of moment according to claim 1 for valve, it is characterised in that：The actuator fast joint includes Axle sleeve (7), axle sleeve (7) are equipped with away from one end of the housing (5) and connect hole soon；The hole wall for connecing hole soon is equipped with some ball (701), the steel ball (17) moved back and forth along its axis is installed in ball (701).
- 3. the limiter of moment according to claim 2 for valve, it is characterised in that：The outer sheath of the axle sleeve (7) Equipped with fast female connector shell (9), the madial wall of fast female connector shell (9) is equipped with and the steel ball (17) position is corresponding moves back ball groove (902)；It is fast that compression spring (16) is installed between female connector shell (9) and axle sleeve (7) and axial equal along it on the lateral wall of fast female connector shell (9) It is furnished with some anti-skid chequers (901).
- 4. the limiter of moment according to claim 3 for valve, it is characterised in that：It is described connect hole soon longitudinal section be Hexagon, connects in hole and is plugged with and its pass is corresponding performs set (8) soon, performs and is additionally provided with the lateral wall of set (8) and institute State the clamping annular groove (802) of steel ball (17) engaging.
- 5. it is used for the limiter of moment of valve according to claim 2-4 any one of them, it is characterised in that：The housing (5) Equipped with connection through hole, the actuator fast joint, which further includes, to be placed in connection through hole, and the inner sleeve being rotatablely connected with housing (5) (4)；In the part insertion inner sleeve (4) of the axle sleeve (7), and key connection between the two.
- 6. the limiter of moment according to claim 5 for valve, it is characterised in that：The inner sleeve (4) and axle sleeve (7) Between by fastener axial restraint, and banking stop (6) is additionally provided between inner sleeve (4) and axle sleeve (7).
- 7. the limiter of moment according to claim 5 for valve, it is characterised in that：On the hole wall of the connection through hole Border, which is equipped with, embraces pressure ring (501)；The inner sleeve (4) is equipped with preceding throw-out collar (401), preceding throw-out collar (401) through pressure ring (501), the cylindrical side wall of inner sleeve (4) is embraced Between the drive disk (2) and armful pressure ring (501)；The adjusting nut (13) positioned at embrace pressure ring (501) and axle sleeve (7) it Between, and adjusting nut (13) is threadedly coupled with inner sleeve (4)；The friction plate (10) is annular, and shares two, be respectively placed between preceding throw-out collar (401) and armful pressure ring (501) and Between adjusting nut (13) and armful pressure ring (501).
- 8. the limiter of moment according to claim 7 for valve, it is characterised in that：The adjusting nut (13) is with rubbing Butterfly spring (14) is additionally provided between pad (10)；Pressure pad (15), butterfly are installed between butterfly spring (14) and friction plate (10) Stopping shim (12) is installed between shape spring (14) and adjusting nut (13)；The inner sleeve (4) is further sleeved with copper sheathing (11), and copper sheathing (11) is placed in described embrace between pressure ring (501) and inner sleeve (4).
- 9. the limiter of moment according to claim 1 for valve, it is characterised in that：The end of the drive disk (2) Equipped with all directions head (201), the outer contour of all directions head (201) longitudinal section is octagon；The end of all directions head (201) is equipped with perforation Driving front hole (3).
- 10. the limiter of moment according to claim 9 for valve, it is characterised in that：Can in the driving front hole (3) Dismounting is connected with shield plug (1), and the cylindrical side wall of shield plug (1) is equipped with some anti-slip tanks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720806799.2U CN207333916U (en) | 2017-07-05 | 2017-07-05 | A kind of limiter of moment for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720806799.2U CN207333916U (en) | 2017-07-05 | 2017-07-05 | A kind of limiter of moment for valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207333916U true CN207333916U (en) | 2018-05-08 |
Family
ID=62426024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720806799.2U Active CN207333916U (en) | 2017-07-05 | 2017-07-05 | A kind of limiter of moment for valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207333916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387850A (en) * | 2017-07-05 | 2017-11-24 | 天津吉秝机电设备有限公司 | A kind of overload protective device for Valve controlling |
-
2017
- 2017-07-05 CN CN201720806799.2U patent/CN207333916U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387850A (en) * | 2017-07-05 | 2017-11-24 | 天津吉秝机电设备有限公司 | A kind of overload protective device for Valve controlling |
| CN107387850B (en) * | 2017-07-05 | 2023-12-22 | 天津吉秝机电设备有限公司 | Overload protector for valve control |
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