CN210218882U

CN210218882U - Industrial valve switch gear box

Info

Publication number: CN210218882U
Application number: CN201920868207.9U
Authority: CN
Inventors: Nanyu Bao; 鲍南宇
Original assignee: Suzhou Valve Doctor Fluid Control Technology Co Ltd
Current assignee: Suzhou Valve Doctor Fluid Control Technology Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-03-31
Anticipated expiration: 2029-06-11

Abstract

The utility model provides an industry valve switch gear box, include: the transmission mechanism comprises a box body, a transmission shaft and a first bearing; a transmission shaft is arranged on the central axis of the box body and is connected with the box body through a first bearing; a worm is arranged on one side of the box body, and the end part of the worm is connected with the box body through a second bearing; the transmission shaft is sleeved with a worm wheel, and the worm wheel is connected with the transmission shaft through a flat key; the tail end of the transmission shaft is sleeved with a sun gear, and the sun gear is connected with the transmission shaft through a flat key; the gear rack is provided with a plurality of planet gears, and the planet gears are connected with the gear rack through third bearings; the gear ring is meshed with the planetary gear and is connected with the box body through a fourth bearing; through the improvement to an industrial valve switch gear box, have compact structure, torsion transmission is efficient, and the transmission is steady reliable, and output torque is big, advantage of safe performance to the effectual problem and the not enough of having solved current device.

Description

Industrial valve switch gear box

Technical Field

The utility model relates to the technical field of valves, more specifically the utility model discloses, especially, relate to an industrial valve switch gear box.

Background

The industrial valve is an important accessory for controlling medium flow on an industrial pipeline, and 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. When the valve is large in opening and closing moment and not easy to rotate manually, the torque can be increased through the gear box.

The existing industrial valve switch gear box mostly increases the output torque through a single worm gear, but has lower torque transmission efficiency and limited labor-saving effect, and the reliability of the existing gear box is poor, so that the stable transmission of the gear box cannot be ensured.

In view of the above, research and improvement are made to solve the existing problems, and an industrial valve switching gear box is provided, which aims to achieve the purposes of solving the problems and improving the practical value through the technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an industrial valve switch gear case to solve the most increase output torque through single worm gear that proposes in the above-mentioned background art, but torsion transmission efficiency is lower, and laborsaving effect is limited, and the reliability is relatively poor, can't guarantee the steady driven problem and the not enough of gear box.

In order to achieve the above object, the utility model provides an industrial valve switch gear box is reached by following specific technological means:

an industrial valve switching gearbox comprising: the worm gear type transmission mechanism comprises a box body, a transmission shaft, a first bearing, a worm, a second bearing, a worm gear, a sun gear, a planet gear, a gear carrier, a third bearing, a gear ring and a fourth bearing; a transmission shaft is arranged on the central axis of the box body and is connected with the box body through a first bearing; a worm is arranged on one side of the box body, and the end part of the worm is connected with the box body through a second bearing; the transmission shaft is sleeved with a worm wheel, and the worm wheel is connected with the transmission shaft through a flat key; the tail end of the transmission shaft is sleeved with a sun gear, and the sun gear is connected with the transmission shaft through a flat key; the gear rack is provided with a plurality of planet gears, and the planet gears are connected with the gear rack through third bearings; the gear ring is meshed with the planetary gear and is connected with the box body through a fourth bearing.

As the further optimization of this technical scheme, the utility model relates to an industrial valve switch gear box the worm meshes with the worm wheel mutually, and the box is stretched out to the one end of worm.

As the further optimization of this technical scheme, the utility model relates to an industrial valve switch gear box the fixed inboard that sets up at the box of carrier, and be interference fit between carrier and the box.

As the further optimization of this technical scheme, the utility model relates to an industrial valve switch gear box planetary gear is provided with three altogether, and planetary gear meshes with sun gear mutually.

As the further optimization of this technical scheme, the utility model relates to an industrial valve switch gear box ring and planetary gear with mesh mutually.

As a further optimization of the technical scheme, the utility model relates to an industrial valve switch gear box the appearance of box is cylindricly.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model discloses a worm meshes with the worm wheel mutually, and the one end of worm stretches out the setting of box, and worm accessible worm wheel drives the transmission shaft and rotates, makes things convenient for the transmission of power.

2. The utility model discloses a fixed setting in the inboard of box of carrier, and the setting for interference fit between carrier and the box of carrier, planetary gear on the carrier of sun gear accessible drives ring gear deceleration motion, can increase output torque, improves torsion transmission efficiency.

3. The utility model discloses an appearance of box is cylindric setting, makes box compact structure, makes things convenient for the installation of box to use.

4. The utility model discloses an improvement to an industry valve switch gear box has compact structure, and torsion transmission is efficient, and the transmission is steady reliable, and output torque is big, advantage that the performance is safe, thereby effectual solution the utility model discloses the problem that proposes in the background art is with not enough.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

fig. 3 is a schematic perspective view of the present invention.

In the figure: the gear box comprises a box body 1, a transmission shaft 2, a first bearing 3, a worm 4, a second bearing 5, a worm wheel 6, a sun gear 7, a planetary gear 8, a gear carrier 9, a third bearing 10, a gear ring 11 and a fourth bearing 12.

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.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides a specific technical implementation of an industrial valve switch gear box:

an industrial valve switching gearbox comprising: the device comprises a box body 1, a transmission shaft 2, a first bearing 3, a worm 4, a second bearing 5, a worm wheel 6, a sun gear 7, a planetary gear 8, a gear carrier 9, a third bearing 10, a gear ring 11 and a fourth bearing 12; a transmission shaft 2 is arranged on the central axis of the box body 1, and the transmission shaft 2 is connected with the box body 1 through a first bearing 3; a worm 4 is arranged on one side of the box body 1, and the end part of the worm 4 is connected with the box body 1 through a second bearing 5; a worm wheel 6 is sleeved on the transmission shaft 2, and the worm wheel 6 is connected with the transmission shaft 2 through a flat key; the tail end of the transmission shaft 2 is sleeved with a sun gear 7, and the sun gear 7 is connected with the transmission shaft 2 through a flat key; a plurality of planet gears 8 are arranged on the gear carrier 9, and the planet gears 8 are connected with the gear carrier 9 through third bearings 10; the ring gear 11 meshes with the planet gears 8, and the ring gear 11 is connected to the case 1 through a fourth bearing 12.

Specifically, the worm 4 is meshed with the worm wheel 6, one end of the worm 4 extends out of the box body 1, the self-locking performance of the worm 4 and the worm wheel 6 can avoid the transmission shaft 2 from reversing, and normal and safe use of the valve can be guaranteed.

Specifically, the carrier 9 is fixedly disposed inside the casing 1, the carrier 9 and the casing 1 are in interference fit, and the planetary gear 8 can be mounted on the axle of the carrier 9 through the third bearing 10.

Specifically, the planetary gear 8 is provided with three positions, the planetary gear 8 is meshed with the sun gear 7, and the sun gear 7 can simultaneously drive the three planetary gears 8 to synchronously rotate.

Specifically, the gear ring 11 is meshed with the planetary gear 8, and the sun gear 7 can drive the gear ring 11 to perform speed reduction movement through the planetary gear 8, so that the output torque can be increased, and the torque transmission efficiency is improved.

Specifically, the box body 1 is cylindrical, so that the box body is compact in structure and convenient to mount and use.

The method comprises the following specific implementation steps:

when using this gear box, be connected to the valve rod on the hollow rotating shaft of ring gear 11, when valve rod switch valve is rotated to needs, worm 4 passes through worm wheel 6 and drives transmission shaft 2 and rotate, 2 terminal sun gear 7 accessible planetary gear 8 of transmission shaft drive ring gear 11 deceleration motion simultaneously, increase output torque, make things convenient for the rotation of valve rod, improve the bearing capacity of gear box, in addition when using this gear box, the valve rod can be avoided taking place to reverse with the auto-lock performance of worm 4 and worm wheel 6 self, can guarantee the normal of valve, safe handling.

In summary, the following steps: according to the industrial valve switch gear box, the worm is meshed with the worm wheel, one end of the worm extends out of the box body, and the worm can drive the transmission shaft to rotate through the worm wheel, so that the transmission of power is facilitated; the gear rack is fixedly arranged on the inner side of the box body, the gear rack and the box body are in interference fit, and the sun gear can drive the gear ring to perform speed reduction movement through the planetary gear on the gear rack, so that the output torque can be increased, and the torque transmission efficiency is improved; the box body is cylindrical in shape, so that the box body is compact in structure and convenient to mount and use; through the improvement to an industry valve switch gear case, have compact structure, torsion transmission is efficient, and the transmission is steady reliable, and the output torque is big, advantage of safe performance to effectual solution the utility model discloses the problem that proposes in the background art is with not enough.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An industrial valve switching gearbox comprising: the gear box comprises a box body (1), a transmission shaft (2), a first bearing (3), a worm (4), a second bearing (5), a worm wheel (6), a sun gear (7), a planetary gear (8), a gear carrier (9), a third bearing (10), a gear ring (11) and a fourth bearing (12); the method is characterized in that: a transmission shaft (2) is arranged on the central axis of the box body (1), and the transmission shaft (2) is connected with the box body (1) through a first bearing (3); a worm (4) is arranged on one side of the box body (1), and the end part of the worm (4) is connected with the box body (1) through a second bearing (5); the transmission shaft (2) is sleeved with a worm wheel (6), and the worm wheel (6) is connected with the transmission shaft (2) through a flat key; the tail end of the transmission shaft (2) is sleeved with a sun gear (7), and the sun gear (7) is connected with the transmission shaft (2) through a flat key; the gear rack (9) is provided with a plurality of planetary gears (8), and the planetary gears (8) are connected with the gear rack (9) through third bearings (10); the gear ring (11) is meshed with the planetary gear (8), and the gear ring (11) is connected with the box body (1) through a fourth bearing (12).

2. An industrial valve switch gear box according to claim 1, wherein: the worm (4) is meshed with the worm wheel (6), and one end of the worm (4) extends out of the box body (1).

3. An industrial valve switch gear box according to claim 1, wherein: the gear rack (9) is fixedly arranged on the inner side of the box body (1), and the gear rack (9) is in interference fit with the box body (1).

4. An industrial valve switch gear box according to claim 1, wherein: the planetary gear (8) is provided with three positions in total, and the planetary gear (8) is meshed with the sun gear (7).

5. An industrial valve switch gear box according to claim 1, wherein: the gear ring (11) is meshed with the planetary gear (8).

6. An industrial valve switch gear box according to claim 1, wherein: the box body (1) is cylindrical in shape.