CN214662120U - Natural gas pressure regulating device - Google Patents
Natural gas pressure regulating device Download PDFInfo
- Publication number
- CN214662120U CN214662120U CN202022905896.1U CN202022905896U CN214662120U CN 214662120 U CN214662120 U CN 214662120U CN 202022905896 U CN202022905896 U CN 202022905896U CN 214662120 U CN214662120 U CN 214662120U
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- driving gear
- transmission
- pressure regulating
- natural gas
- gas pressure
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Abstract
The utility model discloses a natural gas pressure regulating device, include the adjusting valve body that links to each other with the pipeline, the internal sliding tray that is equipped with of adjusting valve, sliding tray and pipeline intercommunication set up, sealed sliding connection has the case in the sliding tray, sliding tray top wall rotates and is connected with the control lever, control lever and case threaded connection, adjusting valve body is inside to be equipped with control lever matched with drive mechanism, the adjusting valve body outside is equipped with the control mechanism with drive mechanism matched with. The utility model discloses a set up first driving gear, second drive gear and the driving gear that the number of teeth is different, and then realize the in-process of actual regulation, can realize more laborsaving regulation through second carousel and the cooperation of second drive gear, can realize more quick regulation through first carousel and first drive gear.
Description
Technical Field
The utility model belongs to the technical field of the natural gas pressure regulating, especially, relate to a natural gas pressure regulating device.
Background
The natural gas pressure regulating device is a key device of a gas conveying pipeline, and mainly functions to regulate and stabilize system pressure, control gas flow of a gas conveying system and protect the system from overhigh or overlow outlet pressure.
However, it is found that in the actual use process, the natural gas pressure regulating valve has a large resistance, so that the actual regulating turntable is difficult to rotate, especially after the pressure regulating valve is not used for a long time, a person is more difficult to screw the regulating turntable, and in the process of difficult regulation of the turntable, it is more difficult to accurately regulate and control the pressure regulating valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the pressure regulating valve is difficult to regulate in the prior art and providing a natural gas pressure regulating device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a natural gas pressure regulating device, includes the adjusting valve body that links to each other with the pipeline, the internal sliding tray that is equipped with of adjusting valve, sliding tray and pipeline intercommunication set up, sealed sliding connection has the case in the sliding tray, sliding tray top wall rotates and is connected with the control lever, control lever and case threaded connection, adjusting valve body inside is equipped with control lever matched with drive mechanism, the adjusting valve body outside is equipped with the control mechanism with drive mechanism matched with.
Preferably, the part of the control rod located in the sliding groove is of a screw structure, and the rest part of the control rod is of a smooth polished rod structure.
Preferably, the adjusting valve body is arranged at the top end of the sliding groove and is provided with a transmission cavity which is not communicated with the sliding groove, and the transmission mechanism is arranged in the transmission cavity.
Preferably, drive mechanism comprises driven gear, first driving gear and second driving gear, the control lever runs through the sliding tray roof and extends to transmission intracavity and driven gear fixed connection, first driving gear and second driving gear set up respectively in driven gear both sides, just first driving gear and second driving gear all are connected with driven gear meshing.
Preferably, control mechanism comprises first transfer line, second transfer line, first carousel and second carousel, first transfer line and first driving gear fixed connection, just first transfer line runs through transmission chamber roof and extends to external and first carousel fixed connection, second transfer line and second driving gear fixed connection, just the second transfer line runs through transmission chamber lateral wall and extends to external and second carousel fixed connection.
Preferably, the first transmission rod and the second transmission rod are rotatably connected with the top wall of the transmission cavity, and the gear ratio of the first driving gear to the second driving gear to the driven gear is 3:2: 1.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the process of actual adjustment, by arranging the first driving gear, the second driving gear and the driving gear which have different tooth numbers, more labor-saving and accurate adjustment can be realized by matching the second turntable with the second driving gear, and more rapid adjustment can be realized by the first turntable and the first driving gear;
2. through setting up the control lever and only be the screw rod structure in the sliding tray, and then ensure to have better sealing performance between control lever and the sliding tray roof, avoid the whole relatively poor problem of valve body leakproofness that leads to for the screw rod structure of control lever.
Drawings
Fig. 1 is a schematic view of the overall structure of a natural gas pressure regulating device according to the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: the valve comprises a pipeline 1, a regulating valve body 2, a sliding groove 21, a transmission cavity 22, a valve core 3, a thread groove 31, a control rod 4, a transmission mechanism 5, a driven gear 51, a first driving gear 52, a second driving gear 53, a control mechanism 6, a first transmission rod 61, a second transmission rod 62, a first rotary table 63 and a second rotary table 64.
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.
Referring to fig. 1-2, a natural gas pressure regulating device, includes the adjusting valve body 2 that links to each other with pipeline 1, is equipped with the sliding tray 21 in the adjusting valve body 2, and sliding tray 21 sets up with pipeline 1 intercommunication, and sealed sliding connection has case 3 in the sliding tray 21, and sliding tray 21 roof rotates and is connected with control lever 4, rotates through sealed bearing between control lever 4 and the sliding tray 21 roof to be connected, and control lever 4 and 3 threaded connection of case.
The part of the control rod 4 in the sliding groove 21 is of a screw structure, and the rest part of the control rod 4 is of a smooth polished rod structure, so that good sealing performance between the control rod 4 and the top wall of the sliding groove 21 is ensured.
The valve core 3 is internally provided with a vertical thread groove 31, and the control rod 4 can drive the valve core 3 to move up and down through the rotation of the control rod 4.
The inside drive mechanism 5 that is equipped with and control lever 4 matched with of adjusting valve body 2, adjusting valve body 2 are located the sliding tray 21 top and are equipped with the transmission chamber 22 that does not communicate with sliding tray 21, and drive mechanism 5 sets up in transmission chamber 22.
The transmission mechanism 5 is composed of a driven gear 51, a first driving gear 52 and a second driving gear 53, the control rod 4 penetrates through the top wall of the sliding groove 21 and extends into the transmission cavity 22 to be fixedly connected with the driven gear 51, the first driving gear 52 and the second driving gear 53 are respectively arranged on two sides of the driven gear 51, and the first driving gear 52 and the second driving gear 53 are both meshed with the driven gear 51.
The outer side of the adjusting valve body 2 is provided with a control mechanism 6 matched with the transmission mechanism 5.
The control mechanism 6 is composed of a first transmission rod 61, a second transmission rod 62, a first rotating disc 63 and a second rotating disc 64, the first transmission rod 61 is fixedly connected with the first driving gear 52, the first transmission rod 61 penetrates through the top wall of the transmission cavity 22 and extends to the outside to be fixedly connected with the first rotating disc 63, the second transmission rod 62 is fixedly connected with the second driving gear 53, and the second transmission rod 62 penetrates through the side wall of the transmission cavity 22 and extends to the outside to be fixedly connected with the second rotating disc 64.
The first transmission rod 61 and the second transmission rod 62 are both rotationally connected with the top wall of the transmission cavity 22, and the gear ratio of the first driving gear 52, the driven gear 51 and the second driving gear 53 is 3:2: 1.
Now, the operation principle of the present invention is described as follows:
when the adjustment is needed, the second driving gear 53 is driven to rotate by the second rotating disc 64 through the second transmission rod 62, the driven gear 51 is driven to rotate by the rotation of the second driving gear 53, and then the rotation of the control rod 4 is realized, and further the adjustment of the position of the valve core 3 is realized.
The first driving gear 52 is driven to rotate through the first transmission rod 61 by the first turntable 63, the driven gear 51 is driven to rotate by the rotation of the first driving gear 52, and then the control rod 4 is rotated, and then the position of the valve core 3 is adjusted.
In the process, when the second turntable 64 rotates, the driven gear 51 can rotate slowly, and the adjustment has the characteristics of labor saving and convenience for fine adjustment; when the first rotary table 63 rotates, the driven gear 51 can rotate relatively quickly, and the adjustment has the characteristic of convenient and quick adjustment.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a natural gas pressure regulating device, includes the adjusting valve body (2) that link to each other with pipeline (1), its characterized in that, be equipped with sliding tray (21) in adjusting valve body (2), sliding tray (21) and pipeline (1) intercommunication set up, sliding tray (21) inner seal sliding connection has case (3), sliding tray (21) roof rotates and is connected with control lever (4), control lever (4) and case (3) threaded connection, adjusting valve body (2) inside be equipped with control lever (4) matched with drive mechanism (5), adjusting valve body (2) outside is equipped with drive mechanism (5) matched with control mechanism (6).
2. The natural gas pressure regulating device according to claim 1, wherein the part of the control rod (4) in the sliding groove (21) is of a screw structure, and the rest part of the control rod (4) is of a smooth polished rod structure.
3. The natural gas pressure regulating device according to claim 1, wherein the regulating valve body (2) is provided with a transmission cavity (22) which is not communicated with the sliding groove (21) and is positioned at the top end of the sliding groove (21), and the transmission mechanism (5) is arranged in the transmission cavity (22).
4. The natural gas pressure regulating device according to claim 3, wherein the transmission mechanism (5) is composed of a driven gear (51), a first driving gear (52) and a second driving gear (53), the control rod (4) penetrates through the top wall of the sliding groove (21) and extends into the transmission cavity (22) to be fixedly connected with the driven gear (51), the first driving gear (52) and the second driving gear (53) are respectively arranged on two sides of the driven gear (51), and the first driving gear (52) and the second driving gear (53) are both meshed with the driven gear (51).
5. The natural gas pressure regulating device according to claim 4, wherein the control mechanism (6) comprises a first transmission rod (61), a second transmission rod (62), a first rotating disc (63) and a second rotating disc (64), the first transmission rod (61) is fixedly connected with the first driving gear (52), the first transmission rod (61) penetrates through the top wall of the transmission cavity (22) and extends to the outside and the first rotating disc (63), the second transmission rod (62) is fixedly connected with the second driving gear (53), and the second transmission rod (62) penetrates through the side wall of the transmission cavity (22) and extends to the outside and the second rotating disc (64) to be fixedly connected.
6. The natural gas pressure regulating device according to claim 5, wherein the first transmission rod (61) and the second transmission rod (62) are rotatably connected with the top wall of the transmission cavity (22), and the gear ratio of the first driving gear (52), the driven gear (51) and the second driving gear (53) is 3:2: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022905896.1U CN214662120U (en) | 2020-12-05 | 2020-12-05 | Natural gas pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022905896.1U CN214662120U (en) | 2020-12-05 | 2020-12-05 | Natural gas pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214662120U true CN214662120U (en) | 2021-11-09 |
Family
ID=78498258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022905896.1U Active CN214662120U (en) | 2020-12-05 | 2020-12-05 | Natural gas pressure regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214662120U (en) |
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2020
- 2020-12-05 CN CN202022905896.1U patent/CN214662120U/en active Active
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