CN220183964U - Valve rod assembly for slender rod gate - Google Patents
Valve rod assembly for slender rod gate Download PDFInfo
- Publication number
- CN220183964U CN220183964U CN202321433059.0U CN202321433059U CN220183964U CN 220183964 U CN220183964 U CN 220183964U CN 202321433059 U CN202321433059 U CN 202321433059U CN 220183964 U CN220183964 U CN 220183964U
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- CN
- China
- Prior art keywords
- valve rod
- gear box
- gate
- limit ring
- box body
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- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 230000013011 mating Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 19
- 238000005452 bending Methods 0.000 abstract description 5
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 230000000670 limiting effect Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
Abstract
The utility model relates to a valve rod assembly for an elongated rod gate, which comprises a valve rod, a gear box bracket and a gear box body, wherein a protective cover seat is arranged at the top end of the gear box body, a protective cover body is arranged on the protective cover seat, a limit ring is arranged on the valve rod extending out of the top end of the gear box body, the limit ring is provided with a matching hole, a horizontally extending deformation groove is arranged on the side surface of the limit ring, the deformation groove extends into the matching hole, and a locking screw is arranged on the limit ring. The utility model adopts the limit ring arranged on the valve rod to limit the travel of the valve rod, prevents the valve rod from bending caused by continuous feeding of the valve rod after the gate is closed, adopts the limit ring to be matched with the protective cover seat arranged on the gear box body to reduce the length of the valve rod bearing the pulling force after the valve rod stops, and prevents the valve rod between the limit ring and the gear box body transmission mechanism from being stressed to bend; the limit ring adopts the deformation groove arranged on the side surface to enable the locking screw to be axially installed along the valve rod, so that the volume of the limit ring is effectively reduced, and the limit ring is convenient to install on a narrow protective cover body.
Description
Technical Field
The utility model relates to the technical field of gate equipment, in particular to a valve rod assembly for an elongated rod gate.
Background
When the gate controlled nozzle is remote from the operating end, the valve stem typically employs an elongate stem to reduce the weight of the valve stem. When the slender rod is adopted, the bending deformation phenomenon is easy to occur under the action of pressure; when the gate is completely closed in place, an operator still cannot feel the change of the operation force, and still forcibly closes the gate by rotating the hand wheel, so that the valve rod of the gate is bent.
Disclosure of Invention
In view of the deficiencies of the prior art, it is an object of the present utility model to provide a valve stem assembly for an elongated stem gate.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a be used for long and thin pole gate valve rod subassembly, including valve rod, gear box support, set up in gear box body on the gear box support, the gear box body with the valve rod transmission is connected, gear box body top is equipped with the safety cover seat, be equipped with the safety cover body on the safety cover seat, the safety cover body is used for will stretching out the valve rod parcel on gear box body top, stretches out be equipped with the spacing collar on the valve rod on gear box body top, the gate is in under the complete closed condition, spacing collar bottom butt the safety cover seat is used for preventing the valve rod continues the downward movement, the spacing collar be equipped with valve rod complex mating hole, the spacing collar side is equipped with the deformation groove of horizontal extension, the deformation groove extends to in the mating hole, be equipped with locking screw on the spacing collar, locking screw forces the deformation groove upper and lower both sides are close to each other and arouse the mating hole deformation, realize spacing collar and valve rod locking.
As a further design, the upper side and the lower side of the deformation groove are provided with locking holes matched with the locking screws, the locking holes penetrate upwards to the top of the limit ring, and the locking holes below the deformation groove are threaded holes matched with the locking screws.
Further to the design, the matching hole is a trapezoid threaded hole matched with the valve rod in a threaded mode.
Further to this design, the retainer plate both sides are equipped with the clamping face of being convenient for spanner centre gripping.
Further to this design, the gear box support is tubular, the valve rod passes from the gear box support, gear box support top with the sealed mechanical connection of gear box body bottom.
Further to this design, the safety cover seat be equipped with gear box body threaded connection's lower connecting portion and with safety cover body threaded connection's upper connecting portion, upper connecting portion is equipped with and is used for when the gate is closed completely the limit part of stopping the spacing collar.
As a further step of this design, be equipped with auxiliary stay subassembly on the valve rod, auxiliary stay subassembly is followed valve rod length direction arranges and distributes, auxiliary stay subassembly including set up in mount on the gate, with mount sliding connection's holder, be equipped with on the holder be convenient for the through-hole that the valve rod runs through, the slip direction of holder is perpendicular the axis of valve rod, be equipped with on the holder with the locking mechanism that the mount locks together.
As a further design, the fixing frame comprises a sliding rod which extends perpendicular to the axis direction of the valve rod, a sliding hole matched with the sliding rod is formed in the retainer, and the locking mechanism is a bolt with one end fixed tightly and capable of tightly pushing the sliding rod.
The beneficial effects of the utility model are as follows: the utility model adopts the limit ring arranged on the valve rod to limit the travel of the valve rod, prevents the valve rod from bending caused by continuous feeding of the valve rod after the gate is closed, adopts the limit ring to be matched with the protective cover seat arranged on the gear box body to reduce the length of the valve rod bearing the pulling force after the valve rod stops, and prevents the valve rod between the limit ring and the gear box body transmission mechanism from being stressed to bend; the limit ring adopts the deformation groove of seting up in the side to make locking screw follow valve rod axial installation, effectively reduces limit ring volume and is convenient for install at narrow and small safety cover body, is difficult for making locking screw inefficacy when the limit ring receives the extrusion simultaneously.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view of the structure of the present utility model mounted on a gate.
Fig. 2 is a schematic partial cross-sectional view of the present utility model.
Fig. 3 is an enlarged schematic view of the present utility model at I in fig. 2.
Fig. 4 is a schematic perspective view of the cooperation of the stop collar and the locking screw of the present utility model.
In the figure, the valve rod 1, the gear box body 2, the gear box bracket 3, the protective cover seat 4, the upper connecting part 41, the lower connecting part 5, the limit ring 6, the locking screw 7, the protective cover body 8, the fixing frame 9, the retainer 10, the sliding hole 11, the sliding rod 12, the locking mechanism 13, the through hole 14, the locking hole 15, the matching hole 16, the clamping surface 17, the deformation groove 18 and the gate.
Detailed Description
The present utility model will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the exemplary embodiments and the description are for the purpose of illustrating the utility model only and are not to be construed as limiting the utility model.
Examples
Referring to fig. 1 and 2, the embodiment relates to a valve rod 1 assembly for an elongated rod gate 18, which comprises a valve rod 1, a gear box bracket 3 and a gear box body 2 arranged on the gear box bracket 3, wherein the gear box body 2 is in transmission connection with the valve rod 1, a protective cover seat 4 is arranged at the top end of the gear box body 2, a protective cover body 7 is arranged on the protective cover seat 4, the protective cover body 7 is used for wrapping the valve rod 1 extending out of the top end of the gear box body 2, a limit ring 5 is arranged on the valve rod 1 extending out of the top end of the gear box body 2, the gate 18 is in a completely closed state, the bottom of the limit ring 5 abuts against the protective cover seat 4 and is used for preventing the valve rod 1 from continuously moving downwards, the limit ring 5 is provided with a matching hole 15 matched with the valve rod 1, a deformation groove 17 extending horizontally is arranged on the side surface of the limit ring 5, the deformation groove 17 extends into the matching hole 15, a locking screw 6 is arranged on the limit ring 5, and the locking screw 6 forces the upper side and the lower side of the deformation groove 17 to be close to each other to cause the matching hole 15 to deform, so as to realize locking of the limit ring 1 and the limit ring 1.
The travel of the valve rod 1 is limited by adopting the limit ring 5 arranged on the valve rod 1, so that the valve rod 1 is prevented from bending due to continuous feeding of the valve rod 1 after the gate 18 is closed, the length of the valve rod 1 bearing the pulling force after the valve rod 1 stops is reduced by adopting the limit ring 5 to be matched with the protective cover seat 4 arranged on the gear box body 2, and the valve rod 1 between the limit ring 5 and the transmission mechanism of the gear box body 2 is prevented from being stressed to bend; the limit ring 5 adopts the deformation groove 17 formed in the side surface to enable the locking screw 6 to be axially installed along the valve rod 1, the size of the limit ring 5 is effectively reduced, the limit ring is convenient to install on the narrow protective cover body 7, and meanwhile the limit ring 5 is difficult to enable the locking screw 6 to fail when being extruded.
Referring to fig. 2, locking holes 14 matched with the locking screws 6 are formed on the upper and lower sides of the deformation groove 17, the locking holes 14 penetrate up to the top of the limit ring 5, the locking holes 14 below the deformation groove 17 are threaded holes matched with the locking screws 6, and only one section of locking holes 14 has a threaded lifting dismounting speed, so that the locking screws 6 are prevented from interfering with the two locking holes 14 at the same time.
Referring to fig. 4, the mating hole 15 is a trapezoidal threaded hole that is in threaded fit with the valve rod 1, so that the stop collar 5 is mounted on the valve rod 1, and simultaneously, when the stop collar 5 is deformed, better locking of the stop collar 5 and the valve rod 1 is achieved.
Referring to fig. 4, two sides of the stop collar 5 are provided with clamping surfaces 16 for clamping by a wrench, so that the stop collar 5 can be conveniently and rotatably mounted on the valve rod 1.
Referring to fig. 2, the gear box bracket 3 is a tubular structure, the valve rod 1 passes through the gear box bracket 3, and the top of the gear box bracket 3 is mechanically connected with the bottom of the gear box body 2 in a sealing manner, so as to further protect the matching section of the valve rod 1 and the gear box body 2.
Referring to fig. 2, the protective cover seat 4 is provided with a lower connecting portion 42 in threaded connection with the gear box body 2 and an upper connecting portion 41 in threaded connection with the protective cover body 7, and the upper connecting portion 41 is provided with a limiting portion for abutting against the limiting ring 5 when the gate 18 is completely closed. The protection cover seat 4 is conveniently and respectively connected with the gear box body 2 and the protection cover body 7 in a sealing way.
Referring to fig. 1 and 3, the valve rod 1 is provided with an auxiliary supporting component, the auxiliary supporting component is distributed along the length direction of the valve rod 1, the auxiliary supporting component comprises a fixing frame 8 arranged on the gate 18 and a retainer 9 slidably connected with the fixing frame 8, the retainer 9 is provided with a through hole 13 for facilitating the penetration of the valve rod 1, the sliding direction of the retainer 9 is perpendicular to the axis of the valve rod 1, and the retainer 9 is provided with a locking mechanism 12 for locking the retainer 9 and the fixing frame 8 together. The auxiliary support assembly can further deform the valve rod 1, and the retainer 9 in sliding connection is convenient to adjust according to the position of the valve rod 1, so that the auxiliary support assembly is suitable for different installation occasions.
Referring to fig. 3, the fixing frame 8 includes a sliding rod 11 extending perpendicular to the axial direction of the valve rod 1, the retainer 9 is provided with a sliding hole 10 matched with the sliding rod 11, the locking mechanism 12 is a bolt with one end fixed and capable of tightly pushing the sliding rod 11, and the structure is simple, and the retainer 9 is convenient to adjust.
Working principle: the limiting ring 5 and the valve rod 1 are rotated to a proper position to ensure that the limiting ring 5 just abuts against the protective cover seat 4 when the gate 18 is completely closed, the deformation narrowing of the deformation groove 17 is ensured by rotating the locking screw 6, and the inner hole of the limiting ring 5 is distorted and deformed to be blocked with the valve rod 1. After the gate 18 is closed in place each time, the limiting ring 5 can abut against the protective cover seat 4 to prevent the valve rod 1 from further receiving bending, and meanwhile an operator can more obviously feel that the gate 18 is in place.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (8)
1. The utility model provides a be used for long and thin pole floodgate door valve rod assembly, including valve rod, gear box support, set up in gear box body on the gear box support, the gear box body with the valve rod transmission is connected, its characterized in that, gear box body top is equipped with the safety cover seat, be equipped with the safety cover body on the safety cover seat, the safety cover body is used for will stretching out the valve rod parcel on gear box body top stretches out be equipped with the retainer plate on the valve rod on gear box body top, the gate is in under the complete closed state, the retainer plate bottom is supported and is stopped the safety cover seat is used for preventing the valve rod continues the downward movement, the retainer plate be equipped with valve rod complex mating hole, the retainer plate side is equipped with the deformation groove of horizontal extension, the deformation groove extends to in the mating hole, be equipped with locking screw on the retainer plate, locking screw forces the both sides are close to each other and are led to the mating hole deformation, realize retainer plate and valve rod locking.
2. The valve rod assembly for the slender rod gate according to claim 1, wherein locking holes matched with the locking screws are formed in the upper side and the lower side of the deformation groove, the locking holes penetrate upwards to the top of the limit ring, and the locking holes below the deformation groove are threaded holes matched with the locking screws.
3. A valve stem assembly for an elongated stem gate as defined in claim 2, wherein said mating bore is a trapezoidal threaded bore threadedly mated with said valve stem.
4. A valve stem assembly for an elongated gate as set forth in claim 3 wherein said stop collar is provided on both sides with gripping surfaces for facilitating gripping by a wrench.
5. A valve stem assembly for an elongated stem gate as defined in claim 4, wherein said gearbox bracket is tubular, said valve stem passing through said gearbox bracket, said gearbox bracket top being in sealing mechanical connection with said gearbox body bottom.
6. The valve stem assembly of claim 5, wherein the boot seat has a lower connection portion threadedly coupled to the gear housing body and an upper connection portion threadedly coupled to the boot body, the upper connection portion having a stop portion for abutting the stop collar when the gate is fully closed.
7. A valve rod assembly for an elongated rod gate according to any one of claims 1-6, wherein an auxiliary supporting assembly is provided on the valve rod, the auxiliary supporting assembly is arranged and distributed along the length direction of the valve rod, the auxiliary supporting assembly comprises a fixing frame provided on the gate and a retainer slidably connected with the fixing frame, the retainer is provided with a through hole for facilitating the penetration of the valve rod, the sliding direction of the retainer is perpendicular to the axis of the valve rod, and the retainer is provided with a locking mechanism for locking the retainer and the fixing frame together.
8. The valve rod assembly for the slender rod gate according to claim 7, wherein the fixing frame comprises a sliding rod extending perpendicular to the axis direction of the valve rod, a sliding hole matched with the sliding rod is formed in the retainer, and the locking mechanism is a bolt with one end capable of being tightly fixed and abutted against the sliding rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321433059.0U CN220183964U (en) | 2023-06-07 | 2023-06-07 | Valve rod assembly for slender rod gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321433059.0U CN220183964U (en) | 2023-06-07 | 2023-06-07 | Valve rod assembly for slender rod gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220183964U true CN220183964U (en) | 2023-12-15 |
Family
ID=89113232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321433059.0U Active CN220183964U (en) | 2023-06-07 | 2023-06-07 | Valve rod assembly for slender rod gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220183964U (en) |
-
2023
- 2023-06-07 CN CN202321433059.0U patent/CN220183964U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |