CN218644912U - Valve and worm gear device's angle stroke locking stop gear - Google Patents
Valve and worm gear device's angle stroke locking stop gear Download PDFInfo
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- CN218644912U CN218644912U CN202222270410.0U CN202222270410U CN218644912U CN 218644912 U CN218644912 U CN 218644912U CN 202222270410 U CN202222270410 U CN 202222270410U CN 218644912 U CN218644912 U CN 218644912U
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- locating part
- pointer
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- 230000005540 biological transmission Effects 0.000 claims description 38
- 238000009434 installation Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a valve and worm gear's angular travel locking stop gear, includes mechanism body and valve, the mechanism body is connected with the valve, the mechanism body includes drive assembly and position indication subassembly, through adopting the pointer cam in drive assembly connects valve shaft and the position indication subassembly, drive assembly operation in-process, drive valve shaft and pointer cam simultaneously and carry out synchronous rotation, thereby realize opening and close of valve, and confirm the opening angle of valve through the position change of pointer cam on the position disc, the setting of locating part can carry out spacingly to the opening angle of valve, make the opening angle of valve restricted in certain angle range, and in this design, the mobilizable setting of locating part is on the position disc, consequently, the angle of valve opening can carry out adjustment at any time.
Description
Technical Field
The utility model relates to a valve technical field, concretely relates to valve and worm gear's angle stroke locking stop gear.
Background
A worm gear reduction mechanism is a commonly used reduction mechanism. The worm gear transmission is widely applied to the speed reduction of the valve due to the characteristics of large transmission ratio, stable transmission, self-locking and the like. The worm and gear transmission pair transmission mechanism has small volume, material and installation space saving, light weight, large output torque and self-locking property, so that the worm and gear transmission pair transmission mechanism is widely applied to manual control of butterfly valves, ball valves, plug valves, regulating valves and the like which rotate at 0-90 degrees.
However, with the development of valve technology in modern society, many valves are opened and closed and the control positioning angle stroke is not a quarter of a circle at an angle of 90 degrees, and particularly for control valves used for flow regulation, such as butterfly valves, V-shaped ball valves and the like, when a certain CV flow value needs to be controlled, the opening positioning locking control angle, the minimum angle and the maximum angle of the valve are all changed values. Meanwhile, the output torque of the worm speed reducing mechanism is large, the reliability of the worm wheel cannot be completely ensured only by self-locking, the self-locking performance cannot be effectively ensured by adopting a conventional method of controlling the 90-degree rotation angle of the worm wheel by using a limiting bolt, and the positioning accuracy of the angular stroke of opening and closing the valve cannot be ensured.
Accordingly, it is desirable to provide a travel limit mechanism that can control and lock the valve and worm gear at any angle for precise adjustment and control of flow for a stroked valve such as a butterfly valve, ball valve, etc.
Disclosure of Invention
In view of this, the utility model provides a valve and worm gear's angle stroke locking stop gear.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a valve and worm gear's angular travel locking stop gear, includes mechanism body and valve, the mechanism body is connected with the valve, the mechanism body includes drive assembly and position indication subassembly, the position indication subassembly sets up on drive assembly, the position indication subassembly includes locating part, pointer cam and position disc, drive assembly has the rotation connecting piece, the one end and the rotation connecting piece of pointer cam are connected, it rotates to rotate the connecting piece and drives the pointer cam and rotate on the position disc, the mobilizable setting of locating part is on the position disc, the locating part plays limiting displacement to pointer cam's rotation.
Preferably, the transmission assembly comprises a transmission part, a worm gear box, a worm wheel and a worm, the rotating connecting part is the worm wheel in the transmission assembly, a transmission cavity is formed in the worm gear box, the worm wheel and the worm are both arranged in the transmission cavity, the transmission part is rotatably arranged outside the worm gear box, one end of the worm penetrates through the worm gear box and is connected with the transmission part, and one end of the worm, which is positioned in the transmission cavity, is meshed with the worm wheel.
The preferred, position disc detachable sets up on transmission assembly, set up the rotating ring groove on the position disc, the cross-section that rotates the ring groove is the setting of type of falling T structure, the rotating ring groove has installation department and connecting portion, the locating part sets up in the rotating ring groove top, set up bolt assembly between locating part and the rotating ring groove, bolt assembly's one end is run through the locating part and is stretched into the rotating ring groove and be connected with the position disc.
Preferably, the bolt assembly includes connecting bolt, upper nut and lower nut, the lower nut sets up in the installation department that rotates the annular, connecting bolt's bottom passes the connecting portion of locating part and rotation annular in proper order and the lower nut threaded connection in the installation department, the upper nut sets up the top at connecting bolt, upper nut and lower nut are fixed to the locating part clamp.
Preferably, the pointer cam has a pointer portion and a rotation disc portion, the pointer portion is formed by protruding one end of the rotation disc portion, the limiting member includes a first limiting member and a second limiting member, and the first limiting member and the second limiting member are respectively disposed on two sides of the pointer portion.
Preferably, the valve is provided with a valve shaft, one end of the valve shaft extends into the valve and is connected with the valve plate, the other end of the valve shaft extends into the transmission assembly and is connected with the rotary connecting piece, the rotary connecting piece drives the valve plate to rotate through the valve shaft, and the valve plate and the pointer cam are limited in rotation through the limiting piece.
Preferably, the valve plate can rotate within an angle range of 0-270 degrees, and the limiting piece can limit the rotation of the pointer cam by 0-360 degrees.
The beneficial effects of the utility model reside in that: the utility model discloses an adopt drive assembly to connect the pointer cam in valve shaft and the position indication subassembly, drive assembly moves the in-process, it rotates in step to drive valve shaft and pointer cam simultaneously, thereby realize opening and close of valve, and confirm the opening angle of valve through the position change of pointer cam on the position disc, the setting of locating part can carry on spacingly to the opening angle of valve, make the opening angle of valve restricted in certain angular range, and in this design, the mobilizable setting of locating part is on the position disc, therefore, the angle that the valve was opened can carry out adjustment at any time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings.
The utility model provides a following technical scheme:
as shown in fig. 1-2, the utility model discloses a valve and worm gear's angle stroke locking stop gear, including mechanism body 1 and valve (not shown), mechanism body 1 is connected with the valve, mechanism body 1 includes drive assembly 2 and position indication subassembly 3, position indication subassembly 3 sets up on drive assembly 2, position indication subassembly 3 includes locating part 4, pointer cam 5 and position disc 6, drive assembly 2 has rotation connecting piece 7, pointer cam 5's one end is connected with rotation connecting piece 7, rotation connecting piece 7 drives pointer cam 5 and rotates on position disc 6, the mobilizable setting of locating part 4 is on position disc 6, locating part 4 plays limiting displacement to pointer cam 5's rotation. Specifically, in this design, through adopting drive assembly 2 to connect pointer cam 5 in valve shaft 22 and the position indication subassembly 3, drive assembly 2 operation in-process, drive valve shaft 22 and pointer cam 5 simultaneously and carry out synchronous rotation, thereby realize opening and close of valve, and confirm the opening angle of valve through the position change of pointer cam 5 on position disc 6, the setting of locating part 4 can carry out spacingly to the opening angle of valve, make the opening angle of valve by the restriction in certain angle range, and in this design, the mobilizable setting of locating part 4 is on position disc 6, therefore, the angle that the valve was opened can carry out adjustment at any time.
Furthermore, the transmission assembly 2 comprises a transmission member 8, a worm gear case 9, a worm gear 10 and a worm 11, the rotating connector 7 is the worm gear 10 in the transmission assembly 2, a transmission cavity 12 is formed in the worm gear case 9, the worm gear 10 and the worm 11 are both arranged in the transmission cavity 12, the transmission member 8 is rotatably arranged outside the worm gear case 9, one end of the worm 11 penetrates through the worm gear case 9 to be connected with the transmission member 8, and one end of the worm 11, which is positioned in the transmission cavity 12, is meshed with the worm gear 10. Specifically, this embodiment drives the rotation of valve shaft 22 and pointer cam 5 through adopting worm wheel 10 driven mode to play the control that the valve was opened and close and the angular rotation of pointer cam 5, worm 11 in transmission assembly 2 rotates under the drive of hand wheel, thereby drives worm wheel 10, makes worm wheel 10 rotate, because the both ends of worm wheel 10 are connected with pointer cam 5 and valve shaft 22 respectively, therefore pointer cam 5 and valve shaft 22 can carry out corresponding motion under worm wheel 10's drive.
Further, 6 detachable settings of position disc are on drive assembly 2, set up rotating ring groove 13 on the position disc 6, rotating ring groove 13's cross-section is the setting of type of falling T structure, rotating ring groove 13 has installation department 14 and connecting portion 15, locating part 4 sets up in rotating ring groove 13 top, set up bolt assembly 16 between locating part 4 and the rotating ring groove 13, bolt assembly 16's one end is run through locating part 4 and is stretched into rotating ring groove 13 and be connected with position disc 6.
Further, bolt assembly 16 includes connecting bolt 17, upper nut 18 and lower nut 19, lower nut 19 sets up in the installation department 14 of rotating ring groove 13, connecting bolt 17's bottom passes connecting portion 15 and the lower nut 19 threaded connection in the installation department 14 of locating part 4 and rotating ring groove 13 in proper order, upper nut 18 sets up the top at connecting bolt 17, upper nut 18 and lower nut 19 clamp the fixed to locating part 4.
Further, the pointer cam 5 has a pointer portion 20 and a rotation disc portion 21, the pointer portion 20 is formed by protruding one end of the rotation disc portion 21, the limiting member 4 includes a first limiting member 4 and a second limiting member 4, and the first limiting member 4 and the second limiting member 4 are respectively disposed on two sides of the pointer portion 20.
Further, set up valve shaft 22 on the valve, the one end of valve shaft 22 stretches into inside the valve and is connected with the valve plate (not shown in the figure), the other end of valve shaft 22 stretches into drive assembly 2 and is connected with rotation connecting piece 7, rotation connecting piece 7 drives the valve plate through valve shaft 22 and rotates, just the rotation of valve plate and pointer cam 5 all carries out spacingly through locating part 4.
Furthermore, the rotatable angle range of the valve plate is 0-270 degrees, and the limiting piece 4 can limit the rotation of the pointer cam 5 by 0-360 degrees.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a valve and worm gear's angle stroke locking stop gear, includes mechanism's body and valve, the mechanism's body is connected with the valve, its characterized in that: the mechanism body comprises a transmission assembly and a position indicating assembly, the position indicating assembly is arranged on the transmission assembly, the position indicating assembly comprises a limiting part, a pointer cam and a position disc, the transmission assembly is provided with a rotating connecting piece, one end of the pointer cam is connected with the rotating connecting piece, the rotating connecting piece drives the pointer cam to rotate on the position disc, the limiting part is movably arranged on the position disc, and the limiting part plays a limiting role in the rotation of the pointer cam.
2. The valve and worm gear assembly angular travel lock stop mechanism of claim 1, further comprising: the transmission assembly comprises a transmission part, a worm gear box, a worm gear and a worm, the rotary connecting part is the worm gear in the transmission assembly, a transmission cavity is formed in the worm gear box, the worm gear and the worm are both arranged in the transmission cavity, the transmission part is rotatably arranged outside the worm gear box, one end of the worm penetrates through the worm gear box and is connected with the transmission part, and one end of the worm, which is positioned in the transmission cavity, is meshed with the worm gear.
3. The valve and worm gear assembly angular travel lock stop mechanism of claim 1, wherein: the position disc detachable sets up on transmission assembly, set up the rotating ring groove on the position disc, the cross-section that rotates the ring groove is the setting of type of falling T structure, the rotating ring groove has installation department and connecting portion, the locating part sets up in the rotating ring groove top, set up the bolt assembly between locating part and the rotating ring groove, the one end of bolt assembly runs through the locating part and stretches into the rotating ring groove and be connected with the position disc.
4. The valve and worm gear assembly angular travel lock stop mechanism of claim 3, wherein: bolt assembly includes connecting bolt, top nut and lower nut, the lower nut sets up in the installation department that rotates the annular, connecting bolt's bottom is passed the connecting portion of locating part and rotation annular in proper order and is installed the interior lower nut threaded connection of portion, the top nut sets up the top at connecting bolt, top nut and lower nut are to locating part clamp tight fixedly.
5. The valve and worm gear assembly angular travel lock stop mechanism of claim 1, further comprising: the pointer cam has pointer portion and rotation disc portion, pointer portion is formed by the one end protrusion of rotation disc portion, the locating part includes first locating part and second locating part, first locating part and second locating part set up the both sides at pointer portion respectively.
6. The valve and worm gear assembly angular travel lock stop mechanism of claim 1, wherein: set up the valve shaft on the valve, the one end of valve shaft stretches into inside the valve and is connected with the valve plate, the other end of valve shaft stretches into drive assembly and rotates the connecting piece and be connected, it rotates to rotate the connecting piece and drive the valve plate through the valve shaft, just the rotation of valve plate and pointer cam all carries on spacingly through the locating part.
7. The valve and worm gear assembly angular travel lock stop mechanism of claim 6, further comprising: the rotatable angle range of the valve plate is 0-270 degrees, and the limiting piece can limit the rotation of the pointer cam by 0-360 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222270410.0U CN218644912U (en) | 2022-08-27 | 2022-08-27 | Valve and worm gear device's angle stroke locking stop gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222270410.0U CN218644912U (en) | 2022-08-27 | 2022-08-27 | Valve and worm gear device's angle stroke locking stop gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218644912U true CN218644912U (en) | 2023-03-17 |
Family
ID=85491212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222270410.0U Active CN218644912U (en) | 2022-08-27 | 2022-08-27 | Valve and worm gear device's angle stroke locking stop gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218644912U (en) |
-
2022
- 2022-08-27 CN CN202222270410.0U patent/CN218644912U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 325000 south head, 810, sidaosan Road, Longwan Binhai Industrial Park (Longwan valve base), Wenzhou City, Zhejiang Province Patentee after: Beize Valve Group Co.,Ltd. Country or region after: China Address before: 325000 south head, 810, sidaosan Road, Longwan Binhai Industrial Park (Longwan valve base), Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG BEIZE VALVE TECHNOLOGY CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |