CN215806699U - Worm high-pressure-resistant accurate speed regulation valve worm gear box - Google Patents
Worm high-pressure-resistant accurate speed regulation valve worm gear box Download PDFInfo
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- CN215806699U CN215806699U CN202122397358.0U CN202122397358U CN215806699U CN 215806699 U CN215806699 U CN 215806699U CN 202122397358 U CN202122397358 U CN 202122397358U CN 215806699 U CN215806699 U CN 215806699U
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Abstract
The utility model belongs to the field of valves, in particular to a worm gear box of a high-pressure-resistant accurate speed-regulating valve of a worm, and aims at solving the problem that the existing valve cannot ensure high-precision operation in a high-pressure environment.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a worm gear box of a high-pressure-resistant accurate speed regulating valve with a worm.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are further divided into cast iron valves, cast steel valves, stainless steel valves, chromium molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves and the like according to the materials, and a valve worm gear box is a driving device for opening or closing the valves and is an essential important component of the valves. The performance of the valve worm gear case directly influences, and even determines the sealing performance, the adjusting performance, the safety performance and the service life of the valve.
Because simple structure and waterproof design do not have in present valve worm gear case, if valve worm gear case need be used in the high-pressure operational environment when carrying out high accuracy speed governing work, often can cause the situation of being difficult to control because the structure is too simple, provides the accurate speed governing valve worm gear case of withstand voltage of worm that can guarantee high accuracy operation under high-pressure environment for this reason.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the high-precision operation of a valve cannot be guaranteed in a high-pressure environment in the prior art, and provides a worm gear box of a high-pressure-resistant precise speed regulating valve with a worm.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a high withstand voltage accurate speed governing valve worm gear case of worm, includes the box, the inner wall of box rotates to run through there is first gear shaft, the inner wall of box rotates and is connected with second gear shaft, second gear shaft is connected with first gear shaft meshing, the side fixedly connected with fourth gear of first gear shaft, fourth gear and second gear shaft meshing are connected, the side fixedly connected with worm of fourth gear, the worm rotates the joint in the inner wall of box, the inner wall of box rotates and is connected with the worm wheel, the worm wheel is connected with the worm meshing.
As a further scheme of the utility model, the circumferential surface of the worm is fixedly connected with two first seat rings, the inner wall of the box body is rotatably connected with two second seat rings, the two second seat rings are rotatably sleeved on the circumferential surface of the worm, and the adjacent ends of the two first seat rings and the two second seat rings are respectively connected with a steel ball retainer in a sliding manner.
As a further scheme of the utility model, the far ends of the two second seat rings are fixedly connected with tapered roller bearings, the inner wall of the box body is fixedly connected with two weighing rings, and the two weighing rings are respectively sleeved on the far sides of the two tapered roller bearings.
As a further scheme of the present invention, a skeleton oil seal is fixedly connected to an inner wall of the case, and the skeleton oil seal is disposed on a circumferential surface of the first gear shaft.
As a further scheme of the present invention, a hand wheel is fixedly connected to a side end of the first gear shaft.
As a further scheme of the utility model, two adjusting bolts penetrate through the surface threads of the box body.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the mutual meshing of the first gear shaft, the second gear shaft and the fourth gear, the first gear shaft is driven to rotate and then rotates, the second gear shaft and the fourth gear are meshed to rotate, the fourth gear is fixedly connected with the worm, and therefore the worm is driven to rotate by the rotation of the first gear shaft to rotate in a differential speed mode, the rotation of the worm is enabled to be more stable, and the rotating precision is guaranteed.
2. Through two first seat circles, two steel ball retainer and two second seat circles that set up, the equal fixed connection of two first seat circles is on the circumferential surface of worm for no matter the worm always can support a first seat circle extrusion adjacent steel ball retainer to the in-process of both sides displacement, and the steel ball retainer receives to make the rotation of worm more stable behind the restriction effect of second seat circle behind the extrusion force, and then has guaranteed the rotatory stability of worm.
3. Through two tapered roller bearings and two weighing rings that set up, the worm can drive the tapered roller bearing of displacement direction promptly to support in the recess of adjacent weighing ring when arbitrary one side displacement, both drives tapered roller bearing at the recess internal rotation of weighing the ring when the worm is rotatory, and then has guaranteed the stability of worm when rotatory.
In the utility model, the rotation of the first gear shaft is stably transmitted to the worm through the transmission of the second gear shaft 9 and the fourth gear, and the worm stably rotates under the limiting action of the two first seat rings, the two steel ball retainers, the two second seat rings, the two tapered roller bearings and the two weighing rings, so that the worm wheel is driven to rotate more stably and accurately.
Drawings
FIG. 1 is a front view of a worm gear box of a high pressure-resistant accurate speed regulating valve with a worm according to the present invention;
FIG. 2 is a cross-sectional view of a worm gear box of the high pressure-resistant precision speed regulating valve with a worm according to the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2 of a worm gear box of the high pressure-resistant accurate speed regulating valve with a worm according to the present invention.
In the figure: 1. a box body; 2. adjusting the bolt; 3. a worm gear; 4. a hand wheel; 5. a first gear shaft; 6. framework oil seal; 9. a second gear shaft; 10. a fourth gear; 11. a worm; 12. a first race; 13. a steel ball retainer; 14. a second race; 15. a tapered roller bearing; 16. and (6) weighing the ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-3, a worm gear box with a high pressure resistance and a precise speed regulation valve comprises a box body 1, a first gear shaft 5 is rotatably penetrated through the inner wall of the box body 1, a second gear shaft 9 is rotatably connected to the inner wall of the box body 1, the second gear shaft 9 is meshed with the first gear shaft 5, a fourth gear 10 is fixedly connected to the side end of the first gear shaft 5, the fourth gear 10 is meshed with the second gear shaft 9, a worm 11 is fixedly connected to the side end of the fourth gear 10, the worm 11 is rotatably clamped to the inner wall of the box body 1, a worm wheel 3 is rotatably connected to the inner wall of the box body 1, the worm wheel 3 is meshed with the worm 11, the first gear shaft 5, the second gear shaft 9 and the fourth gear 10 are meshed with each other, so that the second gear shaft 9 is driven to rotate after the first gear shaft 5 rotates, the second gear shaft 9 is meshed with the fourth gear 10, and the fourth gear 10 is fixedly connected with the worm 11, therefore, the rotation of the first gear shaft 5 drives the worm 11 to perform differential rotation, so that the rotation of the worm 11 is more stable, the rotation precision is ensured, and the worm 11 drives the worm wheel 3 to rotate under the meshing action of the worm 11 and the worm wheel 3, so that the valve is controlled to be opened or closed.
Example two
Referring to fig. 1 to 3, the present invention provides a new technical solution: a worm gear box of a high-pressure-resistant accurate speed regulation valve comprises a box body 1, a first gear shaft 5 penetrates through the inner wall of the box body 1 in a rotating mode, a second gear shaft 9 is connected to the inner wall of the box body 1 in a rotating mode, the second gear shaft 9 is connected with the first gear shaft 5 in a meshing mode, a fourth gear 10 is fixedly connected to the side end of the first gear shaft 5, the fourth gear 10 is connected with the second gear shaft 9 in a meshing mode, a worm 11 is fixedly connected to the side end of the fourth gear 10, the worm 11 is connected to the inner wall of the box body 1 in a rotating mode in a clamping mode, a worm wheel 3 is connected to the inner wall of the box body 1 in a rotating mode, the first gear shaft 5, the second gear shaft 9 and the fourth gear 10 are meshed with each other, the first gear shaft 5 drives the second gear shaft 9 to rotate after the first gear shaft 5 rotates, the second gear shaft 9 is connected with the fourth gear 10 in a meshing mode, the fourth gear 10 is fixedly connected with a differential worm 11, and therefore the worm 11 is driven by the first gear shaft 5 to rotate, the rotation of the worm 11 is more stable, the rotation precision is ensured, the worm 11 drives the worm wheel 3 to rotate under the meshing action of the worm 11 and the worm wheel 3, so as to control the opening and closing of the valve, the circumferential surface of the worm 11 is fixedly connected with two first seat rings 12, the inner wall of the box body 1 is rotatably connected with two second seat rings 14, the two second seat rings 14 are rotatably sleeved on the circumferential surface of the worm 11, the adjacent ends of the two first seat rings 12 and the two second seat rings 14 are respectively and slidably connected with a steel ball retainer 13, the two first seat rings 12 are fixedly connected on the circumferential surface of the worm 11, so that the worm 11 always supports against one first seat ring 12 to extrude an adjacent steel ball retainer 13 in the process of displacement to two sides, after the steel ball retainer 13 is subjected to extrusion force, the rotation of the worm 11 is more stable under the limiting action of the second seat rings 14, and the rotation stability of the worm 11 is further ensured, the far ends of the two second seat rings 14 are fixedly connected with tapered roller bearings 15, the inner wall of the box body 1 is fixedly connected with two weighing rings 16, the two weighing rings 16 are respectively sleeved on the far sides of the two tapered roller bearings 15, when the worm 11 moves to any side, the tapered roller bearings 15 in the displacement direction can be driven to abut against the grooves of the adjacent weighing rings 16, when the worm 11 rotates, the tapered roller bearings 15 are driven to rotate in the grooves of the weighing rings 16, so that the stability of the worm 11 during rotation is ensured, the inner wall of the box body 1 is fixedly connected with a framework oil seal 6, the framework oil seal 6 is sleeved on the circumferential surface of the first gear shaft 5, the framework oil seal 6 is arranged to prevent water from entering the inside of the box body 1, the side end of the first gear shaft 5 is fixedly connected with a hand wheel 4, the arrangement of the hand wheel 4 is convenient for a worker to rotate the first gear shaft 5 so as to control the worm wheel 3, two adjusting bolts 2 penetrate through the surface threads of the box body 1.
The working principle is as follows: before use, a hand wheel 4 is arranged at the side end of a first gear shaft 5, the hand wheel 4 is rotated to control the first gear shaft 5, the first gear shaft 5 drives a second gear shaft 9 to rotate after rotating, the second gear shaft 9 and a fourth gear 10 are meshed to rotate, the fourth gear 10 is fixedly connected with a worm 11, therefore, the worm 11 is driven to rotate by the rotation of the first gear shaft 5 to do differential rotation, the worm 11 can move towards the inside of a box body 1 when rotating clockwise, two first seat rings 12 are fixedly connected on the circumferential surface of the worm 11, so that the worm 11 always supports against one first seat ring 12 to extrude an adjacent steel ball retainer 13 no matter the worm 11 moves towards two sides, the rotation of the worm 11 is more stable after the steel ball retainer 13 is subjected to extrusion force and is limited by a second seat ring 14, when the worm 11 moves towards the inside of the box body 1, a conical roller bearing 15 driving the displacement direction supports against a groove of an adjacent weighing ring 16, when the worm 11 rotates, the conical roller bearing 15 is driven to rotate in the groove of the weighing ring 16, so that the stability of the worm 11 during rotation is further ensured, and under the meshing action of the worm 11 and the worm wheel 3, the worm 11 drives the worm wheel 3 to rotate, so that the valve is controlled to be opened or closed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a high withstand voltage accurate speed governing valve worm gear case of worm, includes box (1), its characterized in that, the inner wall of box (1) rotates to run through has first gear shaft (5), the inner wall of box (1) rotates and is connected with second gear shaft (9), second gear shaft (9) are connected with first gear shaft (5) meshing, the side fixedly connected with fourth gear (10) of first gear shaft (5), fourth gear (10) are connected with second gear shaft (9) meshing, the side fixedly connected with worm (11) of fourth gear (10), worm (11) rotate the joint in the inner wall of box (1), the inner wall of box (1) rotates and is connected with worm wheel (3), worm wheel (3) are connected with worm (11) meshing.
2. The worm high pressure resistant accurate speed regulating valve worm-gear box according to claim 1, characterized in that two first seat rings (12) are fixedly connected to the circumferential surface of the worm (11), two second seat rings (14) are rotatably connected to the inner wall of the box body (1), the two second seat rings (14) are rotatably sleeved on the circumferential surface of the worm (11), and the adjacent ends of the two first seat rings (12) and the two second seat rings (14) are respectively connected with a steel ball retainer (13) in a sliding manner.
3. The worm high pressure resistant accurate speed regulating valve worm gear box according to claim 1, characterized in that the far ends of the two second seat rings (14) are fixedly connected with tapered roller bearings (15), the inner wall of the box body (1) is fixedly connected with two weighing rings (16), and the two weighing rings (16) are respectively sleeved on the far sides of the two tapered roller bearings (15).
4. The worm gear box with the high pressure resistance and the accurate speed regulating valve of the worm according to claim 3, characterized in that a framework oil seal (6) is fixedly connected to the inner wall of the box body (1), and the framework oil seal (6) is sleeved on the circumferential surface of the first gear shaft (5).
5. The worm gear box of the worm high pressure-resistant precision speed regulating valve according to claim 1, characterized in that a hand wheel (4) is fixedly connected to a side end of the first gear shaft (5).
6. The worm gear box of the worm high pressure resistant precision speed regulating valve according to claim 2, characterized in that two adjusting bolts (2) are threaded through the surface of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122397358.0U CN215806699U (en) | 2021-09-30 | 2021-09-30 | Worm high-pressure-resistant accurate speed regulation valve worm gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122397358.0U CN215806699U (en) | 2021-09-30 | 2021-09-30 | Worm high-pressure-resistant accurate speed regulation valve worm gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215806699U true CN215806699U (en) | 2022-02-11 |
Family
ID=80168962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122397358.0U Active CN215806699U (en) | 2021-09-30 | 2021-09-30 | Worm high-pressure-resistant accurate speed regulation valve worm gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215806699U (en) |
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2021
- 2021-09-30 CN CN202122397358.0U patent/CN215806699U/en active Active
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