CN210461735U - Air pressure reducing valve for speed-up locomotive - Google Patents
Air pressure reducing valve for speed-up locomotive Download PDFInfo
- Publication number
- CN210461735U CN210461735U CN201921473080.7U CN201921473080U CN210461735U CN 210461735 U CN210461735 U CN 210461735U CN 201921473080 U CN201921473080 U CN 201921473080U CN 210461735 U CN210461735 U CN 210461735U
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- China
- Prior art keywords
- valve
- valve body
- baffle
- rod
- side wall
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- 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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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 7
- 230000006837 decompression Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses an air pressure reducing valve for a speed-up locomotive, which comprises a valve body, wherein the bottom of the valve body is in threaded connection with a first screw, a rod wall of the first screw arranged inside the valve body is in threaded connection with a moving block, the side wall of the moving block is connected with a first baffle matched with an air inlet of the valve body, the inner side wall of a runner pipe is in sliding connection with a second baffle, the rod wall of the first screw arranged outside the valve body is connected with a driving bevel gear, and the side wall of the runner pipe is in sliding connection with the second baffle; the utility model discloses a rotate first screw rod and drive first baffle and remove and plug up the air intake of valve body, and first screw rod still can drive the second baffle at the pivoted in-process and relieve the runner pipe, thereby make gaseous temporary runner pipe flow direction valve body air outlet, then when the valve rod drives the valve clack and adjusts the vent size and reduce pressure, can not receive high-pressure gas's influence to be convenient for move the valve rod and drive the valve clack and reduce pressure and adjust.
Description
Technical Field
The utility model relates to an air relief pressure valve for speeding locomotive belongs to valve technical field.
Background
The pressure reducing valve is a necessary accessory of a pneumatic regulating valve and mainly used for reducing the pressure of an air source and stabilizing the pressure of the air source to a fixed value so that the regulating valve can obtain stable air source power for regulating and controlling, and the valve is generally horizontally arranged in a pipeline.
In the prior art, the publication No. CN207750512U discloses an air pressure reducing valve for speed-up locomotive, which comprises a pressure reducing valve body, a pressure regulating rod, an air inlet and an air outlet, wherein the pressure regulating rod, the air inlet and the air outlet are all arranged in the pressure reducing valve body, the left side of the pressure reducing valve body is provided with the air inlet, the right side of the pressure reducing valve body is provided with the air outlet, and the bottom end of the pressure reducing valve body is provided with a plunger, the upper part of a ventilation groove of the utility model is provided with a regulating plate and a limiting plate to replace a valve core in the air pressure reducing valve, thereby avoiding the phenomenon of blockage or leakage when the valve core is opened and closed up and down after long-time use, having stronger sealing performance, changing the pressure value by rotating the pressure regulating rod to replace a constant value spring and an upper valve body, the device has simple structure, although, the dismouting and the clearance of being convenient for, but still have the defect, the air pressure of valve body air intake is great, and the valve rod removes the in-process, can receive high-pressure draught's influence, leads to adjusting inconveniently.
When the air pressure is adjusted, the valve rod is rotated to drive the valve clack to move up and down, the size of the ventilation opening is adjusted, the speed of air flowing through is changed, and therefore the pressure reduction effect is achieved.
Disclosure of Invention
In order to solve the problem, the utility model provides an air relief pressure valve for speed-up locomotive.
The utility model discloses an air pressure reducing valve for speed-up locomotive, including the valve body, the valve body top is connected with the upper cover, the upper cover top is connected with the valve gap, valve gap top inner wall is connected with the screw thread section of thick bamboo, the valve rod top is connected with the valve rod, the valve rod is kept away from the one end of valve gap and is passed upper cover and screw thread section of thick bamboo and extend to the valve body inside, the valve rod is arranged in the one end of valve body inside and is connected with the valve clack, the valve body bottom is connected with the lower cover, valve body bottom threaded connection has the first screw rod, threaded connection has the movable block on the pole wall that the first screw rod was arranged in the valve body inside, be connected with the first baffle that cooperatees with the valve body air intake on the movable block lateral wall, the movable block slides with the valve body inner wall and is connected with the, the side wall of the circulation pipe is slidably connected with a second baffle, the side wall of the second baffle, which is arranged outside the circulation pipe, is in threaded connection with a second screw, one end, far away from the second baffle, of the second screw is connected with a driven bevel gear, the driven bevel gear is meshed with a driving bevel gear, the side wall of the second baffle, which is arranged inside the circulation pipe, is slidably connected with a slide bar, and one end, far away from the second baffle, of the slide bar is fixedly connected with the inner side wall of the circulation pipe.
Furthermore, a sealing ring is connected at the joint of the first screw and the bottom of the valve body, and a sealing ring is also connected at the joint of the second baffle and the side wall of the flow pipe.
Further, the upper cover and the lower cover are connected with the valve body through bolts.
Furthermore, the inner side wall of the valve body is provided with a sliding groove matched with the moving block in a chiseled mode, and the moving block is connected inside the sliding groove in a sliding mode.
Furthermore, threaded holes are drilled in the side wall of the second baffle plate, and the second screw rod is in threaded connection with the second baffle plate through the threaded holes.
Compared with the prior art, the utility model discloses a rotate first screw rod and drive first baffle and remove and plug up the air intake of valve body, and first screw rod still can drive the second baffle at the pivoted in-process and relieve the runner pipe, thereby make gaseous temporary runner pipe flow direction valve body air outlet, then when the valve rod drives the valve clack and adjusts the decompression to the vent size, can not receive high-pressure gas's influence to be convenient for move the valve rod and drive the valve clack and adjust the decompression.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic structural diagram of a portion a in fig. 1 according to the present invention.
The parts in the drawings are marked as follows: 1. a valve body; 2. a valve flap; 3. a valve cover; 4. a valve stem; 5. a threaded barrel; 6. an upper cover; 601. a lower cover; 7. a first baffle plate; 8. a moving block; 9. a chute; 10. a drive bevel gear; 11. a driven bevel gear; 12. a second screw; 1201. a slide bar; 13. a second baffle; 14. a seal ring; 15. a flow-through tube; 16. a first screw.
Detailed Description
The air pressure reducing valve for the speed-up locomotive as shown in figures 1 to 3 comprises a valve body 1, wherein the top of the valve body 1 is connected with an upper cover 6, the top of the upper cover 6 is connected with a valve cover 3, the inner wall of the top of the valve cover 3 is connected with a threaded cylinder 5, the top of the valve cover 3 is connected with a valve rod 4, one end of the valve rod 4 far away from the valve cover 3 penetrates through the upper cover 6 and the threaded cylinder 5 and extends into the valve body 1, one end of the valve rod 4 arranged inside the valve body 1 is connected with a valve clack 2, the bottom of the valve body 1 is connected with a lower cover 601, the bottom of the valve body 1 is connected with a first screw rod 16 in a threaded manner, the rod wall of the first screw rod 16 arranged inside the valve body 1 is connected with a moving block 8 in a threaded manner, the side wall of the moving block 8 is connected with a first baffle 7 matched with an air inlet of the valve body 1, the moving, a second baffle 13 is connected to the side wall of the circulation pipe 15 in a sliding manner, a second screw 12 is connected to the side wall of the second baffle 13, which is arranged outside the circulation pipe 15, in a threaded manner, a driven bevel gear 11 is connected to one end, away from the second baffle 13, of the second screw 12, the driven bevel gear 11 is meshed with the driving bevel gear 10, a slide bar 1201 is connected to the side wall of the second baffle 13, which is arranged inside the circulation pipe 15, in a sliding manner, and one end, away from the second baffle 13, of the slide bar 1201 is fixedly connected to the inner side wall; when the valve rod 4 needs to be rotated to drive the valve clack 2 to move for adjustment and pressure reduction, firstly, the first screw rod 16 is rotated, the first screw rod 16 rotates to drive the moving block 8 connected with the first screw rod to move, so that the moving block 8 drives the first baffle 7 connected with the first screw rod to move to block the air inlet of the valve body 1, the first screw rod 16 rotates to drive the driving bevel gear 10 connected with the first screw rod to rotate, the driving bevel gear 10 rotates to drive the driven bevel gear 11 engaged with the driving bevel gear to rotate, the driven bevel gear 11 then drives the second screw rod 12 connected with the driven bevel gear to rotate, the second screw rod 12 then drives the second baffle 13 connected with the second screw rod to move, the circulating pipe 15 is loosened, so that gas temporarily flows through the circulating pipe 15 firstly, because the outer part of the second baffle 13 is connected with the second screw rod 12 through threads, and the inner part of the second baffle is connected with the sliding rod 1201 in a sliding manner, the sealing performance can be, after the pressure reduction adjustment is finished, the first screw rod 16 is rotated reversely to drive the first baffle 7 to loosen the air inlet of the valve body 1, so that the valve rod 4 is moved conveniently to drive the valve clack 2 to perform pressure reduction adjustment.
A sealing ring 14 is connected with the joint of the first screw 16 and the bottom of the valve body 1, and a sealing ring 14 is also connected with the joint of the second baffle 13 and the side wall of the circulating pipe 15; the sealing ring 14 can prevent air leakage at the joint between the valve body 1 and the flow pipe 15 and the first screw 16 and the second baffle 13, respectively, and improve the sealing property.
The upper cover 6 and the lower cover 601 are both connected with the valve body 1 through bolts; the valve body 1 can be made more tight by bolting.
The sliding groove 9 matched with the moving block 8 is formed in the inner side wall of the valve body 1 in a chiseled mode, the moving block 8 is connected inside the sliding groove 9 in a sliding mode, and the moving block 8 is connected inside the sliding groove 9 in a sliding mode through the moving block 8, so that the moving block 8 can be driven to move by the first screw 16.
A threaded hole is drilled in the side wall of the second baffle 13, and the second screw 12 is in threaded connection with the second baffle 13 through the threaded hole; since the second baffle 13 is slidably connected to the sidewall of the flow tube 15, the second screw 12 is screwed to the second screw 12, so that the second baffle 13 is moved by the rotation of the second screw 12.
The working principle is as follows: when the valve rod 4 needs to be rotated to drive the valve clack 2 to move for regulation and pressure reduction, firstly, the first screw rod 16 is rotated, the first screw rod 16 rotates to drive the moving block 8 connected with the first screw rod to move, so that the moving block 8 drives the first baffle 7 connected with the moving block to move to block the air inlet of the valve body 1, the first screw rod 16 rotates to drive the driving bevel gear 10 connected with the first screw rod to rotate, the driving bevel gear 10 rotates to drive the driven bevel gear 11 engaged with the driving bevel gear to rotate, the driven bevel gear 11 then drives the second screw rod 12 connected with the driven bevel gear to rotate, the second screw rod 12 then drives the second baffle 13 connected with the second screw rod to move, the circulating pipe 15 is loosened, so that gas temporarily flows through the circulating pipe 15 firstly, at the moment, the valve rod 4 in the valve body 1 cannot be influenced by high-pressure gas when moving, and then the first screw rod 16 is rotated reversely to drive the first baffle 7, thereby being convenient for moving the valve rod 4 to drive the valve clack 2 to carry out decompression adjustment.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (5)
1. An air pressure reducing valve for a speed-raising locomotive comprises a valve body (1), wherein the top of the valve body (1) is connected with an upper cover (6), the top of the upper cover (6) is connected with a valve cover (3), the inner wall of the top of the valve cover (3) is connected with a threaded cylinder (5), the top of the valve cover (3) is connected with a valve rod (4), one end, far away from the valve cover (3), of the valve rod (4 penetrates through the upper cover (6) and the threaded cylinder (5) and extends into the valve body (1), one end, placed inside the valve body (1), of the valve rod (4) is connected with a valve clack (2), the bottom of the valve body (1) is connected with a lower cover (601), the air pressure reducing valve is characterized in that the bottom of the valve body (1) is in threaded connection with a first screw rod (16), the first screw (16) is placed on the rod wall inside the valve body (1) and is in threaded connection with a, the moving block (8) is connected with the inner wall of the valve body (1) in a sliding way, the side wall of the valve body (1) is connected with a circulating pipe (15), a second baffle (13) is connected on the inner side wall of the circulating pipe (15) in a sliding way, a driving bevel gear (10) is connected on the rod wall of the first screw (16) which is arranged outside the valve body (1), the side wall of the circulating pipe (15) is connected with a second baffle (13) in a sliding way, the side wall of the second baffle (13) arranged outside the circulating pipe (15) is connected with a second screw rod (12) in a threaded way, one end of the second screw rod (12) far away from the second baffle (13) is connected with a driven bevel gear (11), the driven bevel gear (11) is meshed with the driving bevel gear (10), the second baffle (13) is arranged on the side wall inside the circulating pipe (15) and is connected with a sliding rod (1201) in a sliding way, one end of the sliding rod (1201) far away from the second baffle (13) is fixedly connected with the inner side wall of the circulating pipe (15).
2. The air pressure reducing valve for the speed-increasing locomotive according to the claim 1 is characterized in that a sealing ring (14) is connected to the joint of the first screw (16) and the bottom of the valve body (1), and a sealing ring (14) is also connected to the joint of the second baffle plate (13) and the side wall of the flow pipe (15).
3. The air pressure reducing valve for the speed-up locomotive according to claim 1, wherein the upper cover (6) and the lower cover (601) are both connected with the valve body (1) through bolts.
4. The air pressure reducing valve for the speed-raising locomotive according to any one of claims 1-3, wherein a sliding groove (9) matched with the moving block (8) is formed in the inner side wall of the valve body (1), and the moving block (8) is connected inside the sliding groove (9) in a sliding mode.
5. The air pressure reducing valve for an accelerated locomotive according to any one of claims 1 to 3, wherein a threaded hole is bored in a side wall of the second flap (13), and the second screw (12) is threadedly coupled to the second flap (13) through the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921473080.7U CN210461735U (en) | 2019-09-05 | 2019-09-05 | Air pressure reducing valve for speed-up locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921473080.7U CN210461735U (en) | 2019-09-05 | 2019-09-05 | Air pressure reducing valve for speed-up locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210461735U true CN210461735U (en) | 2020-05-05 |
Family
ID=70432886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921473080.7U Expired - Fee Related CN210461735U (en) | 2019-09-05 | 2019-09-05 | Air pressure reducing valve for speed-up locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210461735U (en) |
-
2019
- 2019-09-05 CN CN201921473080.7U patent/CN210461735U/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: 20200505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |