CN208703148U - A kind of cast steel umbrella tooth wheel drive gate valve - Google Patents
A kind of cast steel umbrella tooth wheel drive gate valve Download PDFInfo
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- CN208703148U CN208703148U CN201821332400.2U CN201821332400U CN208703148U CN 208703148 U CN208703148 U CN 208703148U CN 201821332400 U CN201821332400 U CN 201821332400U CN 208703148 U CN208703148 U CN 208703148U
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- 229910001208 Crucible steel Inorganic materials 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of cast steel umbrella tooth wheel drive gate valves, including communicating pipe, flashboard and driving mechanism；Driving mechanism includes lead screw, nut, driven gear and level-one driving gear；Lead screw is mutually fixedly connected with flashboard, and lead screw is connect with nut thread, is driven lead screw and flashboard to be inserted into after lead screw rotation axially movable and is blocked communicating pipe or extract dredging communicating pipe；Driven gear is fixedly connected with nut, and the center of rotation axis of driven gear is overlapped with the center of rotation axis of nut；Driven gear is meshed with level-one driving gear；Driving mechanism further includes second level driving gear, and second level driving gear is meshed with driven gear, and the number of teeth of second level driving gear is greater than the number of teeth of level-one driving gear；The number of teeth of driven gear is greater than the number of teeth of second level driving gear；It the advantage is that, level-one driving gear and second level driving gear can be realized and carry out deceleration transmission to driven gear, carry out classification fine tuning to the unlatching size of flashboard to realize.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to cast steel bevel gear drive gate valve.
Background
The gate valve is mainly used for controlling dredging and blocking of an air pipe or a water pipe, and generally comprises a gate plate transversely inserted into a pipeline and a driving part arranged on the outer side of the pipeline, wherein the driving part is used for driving the gate plate to be inserted into the inner side of the pipeline or pulled out from the inner side of the pipeline.
A screw rod is adopted as a common gate valve driving part, the screw rod is in threaded connection with a pipeline, the screw rod is fixedly connected with a gate plate, and the gate plate can be driven to move along the radial direction of the pipeline to be inserted and blocked or pulled out for dredging after the screw rod is rotated. The screw rod is rotatory a week, and the screw rod drives the flashboard and equals along axial motion's distance and screw rod threaded helical pitch, and when needs adjust the flashboard opening size, can't realize the fine setting through rotatory screw rod, and the error between the size of the opening after the regulation and required opening size is than great.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cast steel bevel gear drive gate valve can finely tune the size of opening of flashboard.
In order to achieve the above object, the embodiment of the present invention provides:
a cast steel bevel gear driving gate valve comprises a communicating pipe, a gate plate and a driving mechanism;
the driving mechanism comprises a lead screw, a nut, a driven gear and a primary driving gear;
the screw rod is fixedly connected with the flashboard, the screw rod is in threaded connection with the nut, and the screw rod drives the screw rod and the flashboard to move axially to insert the plugging communicating pipe or pull out the dredging communicating pipe after rotating;
the driven gear is fixedly connected with the nut, and the rotating central axis of the driven gear is superposed with the rotating central axis of the nut;
the driven gear is meshed with the primary driving gear;
the driving mechanism also comprises a second driving gear, the second driving gear is meshed with the driven gear, and the number of teeth of the second driving gear is greater than that of the first driving gear;
the number of teeth of the driven gear is larger than that of the secondary driving gear.
The utility model discloses further set up to: the outer wall of the communicating pipe is fixedly connected with a fixed pipe, and the driving mechanism is positioned on the inner side of the fixed pipe;
the inner side of one end, close to the communicating pipe, of the fixed pipe is fixedly connected with a connecting block, and the screw rod is connected with the connecting block in a sliding mode;
the inner side of one end, away from the communicating pipe, of the fixed pipe is fixedly connected with a positioning plate, the nut is positioned between the positioning plate and the connecting block, and the screw rod is connected with the positioning plate in a sliding manner;
two ends of the nut are respectively and axially abutted against the positioning plate and the connecting block.
The utility model discloses further set up to: an accommodating groove is formed in the connecting block, the flashboard is spliced with the accommodating groove, and the splicing direction of the flashboard and the accommodating groove is parallel to the axis of the lead screw; the flashboard blocks the communicating pipe after sliding out of the accommodating groove, and the flashboard dredges the communicating pipe after being inserted into the accommodating groove.
The utility model discloses further set up to: the driven gear, the primary driving gear and the secondary driving gear are all bevel gears.
The utility model discloses further set up to: the one-level driving gear is kept away from the one end fixedly connected with one-level pivot of nut, one-level pivot with the fixed pipe rotates mutually and is connected, and the one end that the nut was kept away from in one-level pivot is located the outside of fixed pipe.
The utility model discloses further set up to: one end of the first-level rotating shaft, which is positioned at the outer side of the fixed pipe, is fixedly connected with a first-level hand wheel.
The utility model discloses further set up to: one end of the second-stage driving gear, which is far away from the nut, is fixedly connected with a second-stage rotating shaft, the second-stage rotating shaft is rotatably connected with the fixed pipe, and one end of the second-stage rotating shaft, which is far away from the nut, is positioned on the outer side of the fixed pipe; one end of the second-stage rotating shaft, which is positioned at the outer side of the fixed pipe, is fixedly connected with a second-stage hand wheel.
The utility model discloses further set up to: the cast steel bevel gear driving gate valve further comprises a third-stage driving gear, wherein the third-stage driving gear is a bevel gear and is meshed with the driven gear; the number of teeth of the third driving gear is greater than that of the second driving gear; one end of the third-stage driving gear, which is far away from the nut, is fixedly connected with a third-stage rotating shaft, the third-stage rotating shaft is rotatably connected with the fixed pipe, and one end of the third-stage rotating shaft, which is far away from the nut, is positioned outside the fixed pipe; one end of the third-stage rotating shaft, which is positioned at the outer side of the fixed pipe, is fixedly connected with a third-stage hand wheel; the number of teeth of the driven gear is larger than that of the three-stage driving gear.
The utility model discloses further set up to: the cast steel bevel gear driving gate valve further comprises a four-stage driving gear, the four-stage driving gear is a bevel gear, and the four-stage driving gear is meshed with the driven gear; the number of teeth of the four-stage driving gear is greater than that of the three-stage driving gear; a four-stage rotating shaft is fixedly connected to one end, far away from the nut, of the four-stage driving gear and is rotatably connected with the fixed pipe, and one end, far away from the nut, of the four-stage rotating shaft is located on the outer side of the fixed pipe; one end of the four-stage rotating shaft, which is positioned at the outer side of the fixed pipe, is fixedly connected with a four-stage hand wheel; the number of teeth of the driven gear is larger than that of the four-stage driving gear.
The utility model discloses further set up to: the first-stage driving gear, the second-stage driving gear, the third-stage driving gear and the fourth-stage driving gear are circumferentially distributed around a rotation central axis of the driven gear; the rotating central axis of the first-stage driving gear is parallel to the rotating central axis of the second-stage driving gear; the rotating central axis of the third-stage driving gear is parallel to the rotating central axis of the fourth-stage driving gear; the rotation central axis of the first-level driving gear is vertical to the rotation central axis of the third-level driving gear.
The embodiment of the utility model provides a have following advantage:
the first-level hand wheel, the second-level hand wheel, the third-level hand wheel and the fourth-level hand wheel are respectively rotated at the same rotation speed, so that different rotation speeds of the driven gear can be realized, and the opening size of the flashboard can be finely adjusted in a grading manner.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic view showing a connection structure between the driving mechanism and the communicating pipe and between the driving mechanism and the fixing pipe in the embodiment of the present invention;
fig. 3 is a schematic view showing a structure of a driving mechanism according to an embodiment of the present invention;
fig. 4 is a schematic view showing a structure of the accommodating groove in the embodiment of the present invention.
Wherein,
1. a communicating pipe; 2. a fixed tube; 21. connecting blocks; 211. a containing groove; 22. positioning a plate; 3. a drive mechanism; 31. a lead screw; 32. a nut; 33. a driven gear; 34. a primary driving gear; 341. a primary rotating shaft; 342. a first-level hand wheel; 35. a secondary drive gear; 351. a secondary rotating shaft; 352. a secondary hand wheel; 36. a tertiary driving gear; 361. a third-stage rotating shaft; 362. a third-stage hand wheel; 37. a four-stage drive gear; 371. a four-stage rotating shaft; 372. a four-stage hand wheel; 4. a gate plate.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Examples
A cast steel bevel gear driving gate valve is shown in figure 1 and comprises a communicating pipe 1 and a fixed pipe 2, wherein the communicating pipe 1 and the fixed pipe 2 are made of cast steel, the end face of the fixed pipe 2 is vertically and fixedly connected with the outer wall of the communicating pipe 1, the gate valve further comprises a driving mechanism 3 and a gate plate 4, the gate plate 4 is located at the intersection of the fixed pipe 2 and the communicating pipe 1, and the driving mechanism 3 is used for driving the gate plate 4 to be inserted into the communicating pipe 1 along the radial direction of the communicating pipe 1 to block the communicating pipe 1 or pull out the gate plate 4 from the communicating pipe 1 along the radial direction to dredge the.
As shown in fig. 2 and 3, the driving mechanism 3 is located inside the fixed pipe 2, and the driving mechanism 3 includes a screw 31, a nut 32, a driven gear 33, and a primary driving gear 34; the inner side of one end, close to the communicating pipe 1, of the fixed pipe 2 is fixedly connected with a connecting block 21, a lead screw 31 is connected with the connecting block 21 in a sliding mode, the lead screw 31 is fixedly connected with the flashboard 4, and the lead screw 31 is in threaded connection with a nut 32; the fixed pipe 2 is far away from the inboard fixedly connected with locating plate 22 of one end of communicating pipe 1, and nut 32 is located between locating plate 22 and the connecting block 21, and lead screw 31 and locating plate 22 sliding connection, the both ends of nut 32 respectively with locating plate 22 and connecting block 21 along axial looks butt. When the nut 32 is rotated, the positioning plate 22 and the connecting block 21 can axially position the nut 32, and limit the axial movement of the nut 32, so that the screw 31 can move axially relative to the nut 32. After the screw rod 31 rotates, the screw rod 31 and the flashboard 4 are driven to move axially to be inserted into the plugging communicating pipe 1 or pulled out of the dredging communicating pipe 1.
The driven gear 33 is fixedly connected with the nut 32, the rotation central axis of the driven gear 33 is overlapped with the rotation central axis of the nut 32, and when the driven gear 33 rotates, the nut 32 can be driven to rotate around the rotation central axis in an axial and stable mode, so that the screw rod 31 can move in the axial and stable mode.
Driven gear 33 meshes with one-level driving gear 34 mutually, and actuating mechanism 3 still includes second grade driving gear 35, and second grade driving gear 35 meshes with driven gear 33 mutually, and the number of teeth of second grade driving gear 35 is greater than the number of teeth of one-level driving gear 34, and driven gear 33's the number of teeth is greater than the number of teeth of second grade driving gear 35. The driven gear 33 can be driven to rotate by rotating the first-stage driving gear 34 and the second-stage driving gear 35, respectively, so as to drive the screw rod 31 to move along the axial direction. Because driven gear 33's number of teeth is less than the number of teeth of one-level driving gear 34 and second grade driving gear 35, rotatory one-level driving gear 34 or second grade driving gear 35 are, and the rotational speed of one-level driving gear 34 or second grade driving gear 35 is greater than driven gear 33, can realize speed reduction transmission, finely tune the opening size of flashboard 4, can realize the fine setting to communicating the interior fluid flow of pipe 1.
Referring to fig. 4, an accommodating groove 211 is formed in the connecting block 21, the shutter 4 is inserted into the accommodating groove 211, and the insertion direction of the shutter 4 and the accommodating groove 211 is parallel to the axis of the lead screw 31; the communication pipe 1 is blocked after the shutter 4 slides out of the accommodating groove 211, and the communication pipe 1 is dredged after the shutter 4 is inserted into the accommodating groove 211.
As shown in fig. 2 and 3, the driven gear 33, the first-level driving gear 34 and the second-level driving gear 35 are all bevel gears, one end of the first-level driving gear 34, which is far away from the nut 32, is fixedly connected with a first-level rotating shaft 341, the first-level rotating shaft 341 is rotatably connected with the fixed pipe 2, one end of the first-level rotating shaft 341, which is far away from the nut 32, is located outside the fixed pipe 2, the rotating central axis of the first-level rotating shaft 341 is axially perpendicular to the rotating central axis of the screw 31, one end of the first-level rotating shaft 341, which is located outside the fixed pipe 2, is fixedly connected with a first-level hand wheel 342, and.
One end of the secondary driving gear 35, which is far away from the nut 32, is fixedly connected with a secondary rotating shaft 351, the secondary rotating shaft 351 is rotatably connected with the fixed tube 2, and one end of the secondary rotating shaft 351, which is far away from the nut 32, is positioned on the outer side of the fixed tube 2; one end of the secondary rotating shaft 351, which is positioned at the outer side of the fixed pipe 2, is fixedly connected with a secondary hand wheel 352.
The cast steel bevel gear driving gate valve further comprises a third-stage driving gear 36, the third-stage driving gear 36 is a bevel gear, and the third-stage driving gear 36 is meshed with the driven gear 33; the number of teeth of the third driving gear 36 is greater than that of the second driving gear 35; one end of the third-stage driving gear 36, which is far away from the nut 32, is fixedly connected with a third-stage rotating shaft 361, the third-stage rotating shaft 361 is rotatably connected with the fixed pipe 2, and one end of the third-stage rotating shaft 361, which is far away from the nut 32, is positioned on the outer side of the fixed pipe 2; one end of the third-stage rotating shaft 361, which is positioned at the outer side of the fixed pipe 2, is fixedly connected with a third-stage hand wheel 362; the number of teeth of the driven gear 33 is larger than that of the third drive gear 36.
The cast steel bevel gear driving gate valve further comprises a four-stage driving gear 37, the four-stage driving gear 37 is a bevel gear, and the four-stage driving gear 37 is meshed with the driven gear 33; the number of teeth of the fourth drive gear 37 is greater than that of the third drive gear 36; a four-stage rotating shaft 371 is fixedly connected to one end of the four-stage driving gear 37, which is far away from the nut 32, the four-stage rotating shaft 371 is rotatably connected with the fixed tube 2, and one end of the four-stage rotating shaft 371, which is far away from the nut 32, is positioned on the outer side of the fixed tube 2; one end of the four-stage rotating shaft 371, which is positioned at the outer side of the fixed pipe 2, is fixedly connected with a four-stage hand wheel 372; the number of teeth of the driven gear 33 is larger than that of the fourth stage drive gear 37.
The first-stage hand wheel 342, the second-stage hand wheel 352, the third-stage hand wheel 362 and the fourth-stage hand wheel 372 are respectively rotated at the same rotation speed, so that the driven gear 33 can generate different rotation speeds, and the opening size of the gate plate 4 can be finely adjusted in a grading manner.
The first-stage driving gear 34, the second-stage driving gear 35, the third-stage driving gear 36 and the fourth-stage driving gear 37 are circumferentially distributed around the rotation central axis of the driven gear 33; the rotation central axis of the first-stage driving gear 34 is parallel to the rotation central axis of the second-stage driving gear 35; the rotational central axis of the third drive gear 36 is parallel to the rotational central axis of the fourth drive gear 37; the center axis of rotation of the primary drive gear 34 is perpendicular to the center axis of rotation of the tertiary drive gear 36.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A cast steel bevel gear driving gate valve is characterized in that: comprises a communicating pipe (1), a flashboard (4) and a driving mechanism (3);
the driving mechanism (3) comprises a screw rod (31), a nut (32), a driven gear (33) and a primary driving gear (34);
the screw rod (31) is fixedly connected with the flashboard (4), the screw rod (31) is in threaded connection with the nut (32), and the screw rod (31) rotates to drive the screw rod (31) and the flashboard (4) to move axially to insert into the plugging communicating pipe (1) or pull out from the dredging communicating pipe (1);
the driven gear (33) is fixedly connected with the nut (32), and the rotating central axis of the driven gear (33) is overlapped with the rotating central axis of the nut (32);
the driven gear (33) is meshed with the primary driving gear (34);
the driving mechanism (3) further comprises a second-stage driving gear (35), the second-stage driving gear (35) is meshed with the driven gear (33), and the number of teeth of the second-stage driving gear (35) is greater than that of the first-stage driving gear (34);
the number of teeth of the driven gear (33) is greater than that of the secondary driving gear (35).
2. The cast steel bevel gear driving gate valve according to claim 1, wherein: the outer wall of the communicating pipe (1) is fixedly connected with a fixed pipe (2), and the driving mechanism (3) is positioned on the inner side of the fixed pipe (2);
the inner side of one end, close to the communicating pipe (1), of the fixed pipe (2) is fixedly connected with a connecting block (21), and the lead screw (31) is connected with the connecting block (21) in a sliding mode;
the inner side of one end, far away from the communicating pipe (1), of the fixed pipe (2) is fixedly connected with a positioning plate (22), the nut (32) is located between the positioning plate (22) and the connecting block (21), and the lead screw (31) is in sliding connection with the positioning plate (22);
two ends of the nut (32) are respectively abutted against the positioning plate (22) and the connecting block (21) along the axial direction.
3. The cast steel bevel gear driving gate valve according to claim 2, wherein: an accommodating groove (211) is formed in the connecting block (21), the flashboard (4) is inserted into the accommodating groove (211), and the insertion direction of the flashboard (4) and the accommodating groove (211) is parallel to the axis of the lead screw (31); the communication pipe (1) is blocked after the flashboard (4) slides out of the accommodating groove (211), and the communication pipe (1) is dredged after the flashboard (4) is inserted into the accommodating groove (211).
4. The cast steel bevel gear driving gate valve according to claim 3, wherein: the driven gear (33), the primary driving gear (34) and the secondary driving gear (35) are all bevel gears.
5. The cast steel bevel gear driving gate valve according to claim 4, wherein: one end fixedly connected with one-level pivot (341) that one-level driving gear (34) kept away from nut (32), one-level pivot (341) with fixed pipe (2) rotate mutually and are connected, and one end that nut (32) were kept away from in one-level pivot (341) is located the outside of fixed pipe (2).
6. The cast steel bevel gear driving gate valve according to claim 5, wherein: one end of the first-level rotating shaft (341) located on the outer side of the fixed pipe (2) is fixedly connected with a first-level hand wheel (342).
7. The cast steel bevel gear driving gate valve according to claim 4, wherein: one end, far away from the nut (32), of the secondary driving gear (35) is fixedly connected with a secondary rotating shaft (351), the secondary rotating shaft (351) is rotatably connected with the fixed pipe (2), and one end, far away from the nut (32), of the secondary rotating shaft (351) is located on the outer side of the fixed pipe (2); one end of the secondary rotating shaft (351) positioned at the outer side of the fixed pipe (2) is fixedly connected with a secondary hand wheel (352).
8. The cast steel bevel gear driving gate valve according to claim 4, wherein: the cast steel bevel gear driving gate valve further comprises a third-stage driving gear (36), the third-stage driving gear (36) is a bevel gear, and the third-stage driving gear (36) is meshed with the driven gear (33); the number of teeth of the third driving gear (36) is greater than that of the second driving gear (35); one end, far away from the nut (32), of the third-stage driving gear (36) is fixedly connected with a third-stage rotating shaft (361), the third-stage rotating shaft (361) is rotatably connected with the fixed pipe (2), and one end, far away from the nut (32), of the third-stage rotating shaft (361) is located on the outer side of the fixed pipe (2); one end of the third-stage rotating shaft (361) positioned at the outer side of the fixed pipe (2) is fixedly connected with a third-stage hand wheel (362); the number of teeth of the driven gear (33) is greater than that of the three-stage driving gear (36).
9. The cast steel bevel gear driving gate valve according to claim 8, wherein: the cast steel bevel gear driving gate valve further comprises a four-stage driving gear (37), the four-stage driving gear (37) is a bevel gear, and the four-stage driving gear (37) is meshed with the driven gear (33); the number of teeth of the four-stage driving gear (37) is greater than that of the three-stage driving gear (36); a four-stage rotating shaft (371) is fixedly connected to one end, far away from the nut (32), of the four-stage driving gear (37), the four-stage rotating shaft (371) is rotatably connected with the fixed pipe (2), and one end, far away from the nut (32), of the four-stage rotating shaft (371) is located on the outer side of the fixed pipe (2); one end of the four-stage rotating shaft (371) positioned at the outer side of the fixed pipe (2) is fixedly connected with a four-stage hand wheel (372); the number of teeth of the driven gear (33) is larger than that of the four-stage drive gear (37).
10. The cast steel bevel gear driving gate valve according to claim 9, wherein: the primary drive gear (34), the secondary drive gear (35), the tertiary drive gear (36), and the quaternary drive gear (37) are circumferentially distributed about a central axis of rotation of the driven gear (33); the rotating central axis of the primary driving gear (34) is parallel to the rotating central axis of the secondary driving gear (35); the rotation central axis of the third-stage driving gear (36) is parallel to the rotation central axis of the fourth-stage driving gear (37); the rotation central axis of the first-stage driving gear (34) is vertical to the rotation central axis of the third-stage driving gear (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821332400.2U CN208703148U (en) | 2018-08-17 | 2018-08-17 | A kind of cast steel umbrella tooth wheel drive gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821332400.2U CN208703148U (en) | 2018-08-17 | 2018-08-17 | A kind of cast steel umbrella tooth wheel drive gate valve |
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| Publication Number | Publication Date |
|---|---|
| CN208703148U true CN208703148U (en) | 2019-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821332400.2U Active CN208703148U (en) | 2018-08-17 | 2018-08-17 | A kind of cast steel umbrella tooth wheel drive gate valve |
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| CN (1) | CN208703148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803482A (en) * | 2021-09-16 | 2021-12-17 | 浙江胜得龙阀门有限公司 | High-precision gate valve capable of being finely adjusted |
-
2018
- 2018-08-17 CN CN201821332400.2U patent/CN208703148U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803482A (en) * | 2021-09-16 | 2021-12-17 | 浙江胜得龙阀门有限公司 | High-precision gate valve capable of being finely adjusted |
| CN113803482B (en) * | 2021-09-16 | 2024-03-26 | 浙江胜得龙阀门有限公司 | High-precision gate valve capable of being finely adjusted |
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