CN211667249U

CN211667249U - Novel electric cone valve transmission structure

Info

Publication number: CN211667249U
Application number: CN201922002361.0U
Authority: CN
Inventors: 李习洪; 彭阳超; 马志祥
Original assignee: WUHAN DAYU VALVE CO Ltd
Current assignee: WUHAN DAYU VALVE CO Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-10-13
Anticipated expiration: 2029-11-19

Abstract

The utility model relates to a valve structure technical field specifically indicates a novel electronic cone valve transmission structure. Include the valve body and set up in the valve body can follow valve body axial displacement's sleeve, its characterized in that: the valve body is provided with a reduction box; at least one output shaft driven by an electric actuator is arranged in the reduction gearbox; the output end of the output shaft is meshed with at least two transmission shafts through gears; one end of the transmission shaft is in meshing transmission connection with the output shaft, and the other end of the transmission shaft is in transmission connection with a driving screw rod; the driving screw rod penetrates through the valve body along the axial direction of the valve body, one end, located outside the valve body, of the driving screw rod is in transmission connection with the transmission shaft, and one end, located inside the valve body, of the driving screw rod is fixedly connected with the sleeve. The utility model discloses simple structure, transmission structure drive atress structure is more reasonable, and the sleeve removes more smoothly, and the valve is opened or is closed more smoothly, has very big spreading value.

Description

Novel electric cone valve transmission structure

Technical Field

The utility model relates to a valve structure technical field specifically indicates a novel electronic cone valve transmission structure.

Background

Generally, a cone valve drives a valve switch by adopting a double-oil-cylinder hydraulic mode, for example, the invention patent of China entitled "ultra-large reservoir emptying valve" with the patent number of "201510434809. X", the emptying valve protected by the patent adopts a double-oil-cylinder hydraulic driving valve structure, two groups of driving oil cylinders are arranged on the upper side and the lower side of a valve body, a piston rod of each group of oil cylinders is connected with a sleeve in the valve body, and the two groups of oil cylinders are driven simultaneously to realize the axial movement of the sleeve, so that the valve is opened or closed. Although the working principle of the driving structure is simpler, the driving structure has a plurality of defects and hidden dangers. The traditional hydraulic driving mode with double oil cylinders has the defects of complex structure, overhigh cost, easy oil leakage, asynchronization of the oil cylinders at two ends, large impact on a valve and the like. And if a single speed reducer driving mode is adopted, the defects of unbalanced valve stress, easy blockage, short service life and the like exist.

Disclosure of Invention

The utility model aims at solving the defects of the prior art and providing a novel electric cone valve transmission structure.

The technical scheme of the utility model is that: the utility model provides a novel electronic cone valve transmission structure, includes the valve body and sets up the sleeve that can follow valve body axial displacement in the valve body, its characterized in that: the valve body is provided with a reduction box; at least one output shaft driven by an electric actuator is arranged in the reduction gearbox; the output end of the output shaft is meshed with at least two transmission shafts through gears; one end of the transmission shaft is in meshing transmission connection with the output shaft, and the other end of the transmission shaft is in transmission connection with a driving screw rod; the driving screw rod penetrates through the valve body along the axial direction of the valve body, one end, located outside the valve body, of the driving screw rod is in transmission connection with the transmission shaft, and one end, located inside the valve body, of the driving screw rod is fixedly connected with the sleeve.

An output shaft is further arranged in the reduction gearbox; the output end of the output shaft is in meshed transmission connection with the transmission shaft through a bevel gear.

And a plurality of driving screw rods corresponding to the plurality of transmission shafts are arranged at equal intervals by taking the valve body axis as the center.

And two transmission shafts are meshed and driven on the output shaft, and driving screw rods corresponding to the two transmission shafts are symmetrically arranged by taking the axis of the valve body as a center.

And further, the axes of the two driving screws and the axis of the valve body are in the same horizontal plane.

The utility model has the advantages that: 1. the utility model drives a plurality of output shafts through an electric actuator, and the output shafts are connected with the driving screw through the transmission shaft, thereby achieving the purpose of simultaneously driving a plurality of driving screws to synchronously operate, enabling the sleeve to be stressed at a plurality of positions simultaneously, enabling the sleeve to move more smoothly along the axial direction of the valve body, not generating blocking, and opening or closing the valve more smoothly;

2. the utility model has the advantages that the output shaft is arranged in the reduction gearbox and is connected with a plurality of transmission shafts through the output shaft, so that the transmission stress is more concentrated and reasonable, and the power of the electric actuator is more concentrated and output conveniently;

3. the plurality of driving screws are arranged at equal intervals by taking the valve body axis as the center, so that the stress of each position of the sleeve is more balanced when the sleeve is stressed, and the phenomenon of blocking caused by unbalanced stress can not occur;

4. the two transmission shafts are arranged on the sleeve, the two transmission shafts are symmetrically arranged in a corresponding driving mode, namely the sleeve is driven by the two driving screws, the two driving screws are symmetrically arranged, the sleeve is also stressed symmetrically, and the stability is better;

5. the utility model discloses a level of valve body is arranged in to two driving screw branches, and the sleeve atress divide into horizontal both sides, and this kind of atress structure is more stable, and the sleeve removes more smoothly.

The utility model discloses simple structure, transmission structure drive atress structure is more reasonable, and the sleeve removes more smoothly, and the valve is opened or is closed more smoothly, has very big spreading value.

Drawings

FIG. 1: the structure of the utility model is shown schematically;

FIG. 2: the utility model discloses a schematic view of a connecting structure of a driving screw and a sleeve;

FIG. 3: the utility model discloses a schematic diagram of a connecting structure of a reduction box and an output shaft;

FIG. 4: the utility model has a schematic structure diagram of the connection between the output shaft and the transmission shaft;

wherein: 1-a valve body; 2, a sleeve; 3, a reduction gearbox; 4-electric actuator; 5-an output shaft; 6, a transmission shaft; 7-driving the screw; 8-bevel gear; 9-mounting seat.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

Like fig. 1 ~ 4, a novel electronic cone valve transmission structure, the cone valve of this embodiment includes valve body 1 and sets up sleeve 2 that can follow valve body 1 axial displacement in valve body 1, and sleeve 2 can follow the guide structure in the valve body 1 along the axial displacement of valve body 1, realizes opening or closing of valve. Be provided with mount pad 9 on the valve body 1 of this embodiment, install reducing gear box 3 on the mount pad 9, horizontal and fore-and-aft oval hole has been seted up to this embodiment on mount pad 9, is convenient for to reducing gear box 3's installation fixed.

An output shaft 5 is arranged in the reduction gearbox 3, one end of the output shaft 5 is in transmission connection with an electric actuator 4 on the reduction gearbox 3, and a bevel gear 8 is arranged at the other end of the output shaft. As shown in fig. 4, the output shaft 5 of the present embodiment is arranged in the vertical direction, and in actual use, the arrangement is not limited to this, as long as stable transmission of the power of the electric actuator 4 can be achieved. The output end of the output shaft 5 is connected with a plurality of transmission shafts 6 through a bevel gear 8 in a transmission way.

As shown in fig. 3 to 4, the two transmission shafts 6 are provided in this embodiment, one end of each transmission shaft 6 is in meshed transmission connection with the bevel gear 8 at the end of the output shaft 5 through the bevel gear 8, the axis of each transmission shaft 6 is perpendicular to the axis of the valve body 1, and the two transmission shafts 6 form an isosceles triangle. The other end of the transmission shaft 6 is in transmission connection with a driving screw 7 through a right-angle reduction box.

As shown in fig. 2, the driving screw 7 of this embodiment is arranged along the axial direction of the valve body 1, one end of the driving screw extends into the valve body 1 and is fixedly connected with the sleeve 2, and the other end of the driving screw is in transmission connection with the right-angle reduction gearbox on the valve body 1, that is, the driving shaft 6 converts the rotation of the driving shaft 6 into the axial movement of the driving screw 7 through the right-angle reduction gearbox, and the driving screw 7 pushes the sleeve 2 to move along the axial direction of the valve body 1, thereby realizing the opening.

Two drive screw 7 of this embodiment are arranged in respectively with the horizontal both sides of 1 axis of valve body, and two drive screw 7 axes are in same horizontal plane with 1 axis of valve body, can guarantee like this that when sleeve 2 removed, can both sides atress balanced, avoid appearing the problem of blocking.

During the use, start electric actuator 4, electric actuator 4 is on transmitting power to output shaft 5 in the reducing gear box 3, and output shaft 5 passes through bevel gear 8 with power transmission to transmission shaft 6, and transmission shaft 6 rotates, and right angle reducing gear box transmits power to drive screw 7, and drive screw 7 is flexible along valve body 1 axial to promote sleeve 2 axial displacement, realize opening or closing of valve.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel electronic cone valve transmission structure, includes valve body (1) and sets up sleeve (2) that can follow valve body (1) axial displacement in valve body (1), its characterized in that: a reduction box (3) is arranged on the valve body (1); at least one output shaft (5) driven by an electric actuator (4) is arranged in the reduction gearbox (3); the output end of the output shaft (5) is meshed with at least two transmission shafts (6) through gears; one end of the transmission shaft (6) is in meshing transmission connection with the output shaft (5), and the other end of the transmission shaft is in transmission connection with a driving screw (7); the driving screw rod (7) penetrates through the valve body (1) along the axial direction of the valve body (1), one end, which is positioned outside the valve body (1), is in transmission connection with the transmission shaft (6), and one end, which is positioned inside the valve body (1), is fixedly connected with the sleeve (2).

2. The novel electric cone valve transmission structure as claimed in claim 1, wherein: an output shaft (5) is arranged in the reduction gearbox (3); the output end of the output shaft (5) is in meshed transmission connection with the transmission shaft (6) through a bevel gear (8).

3. The novel electric cone valve transmission structure as claimed in claim 2, wherein: and a plurality of driving screws (7) corresponding to the plurality of transmission shafts (6) are arranged at equal intervals by taking the axis of the valve body (1) as the center.

4. A novel electric cone valve transmission structure as claimed in claim 3, wherein: two transmission shafts (6) are meshed and driven on the output shaft (5), and driving screw rods (7) corresponding to the two transmission shafts (6) are symmetrically arranged by taking the axis of the valve body (1) as a center.

5. The novel electric cone valve transmission structure as claimed in claim 4, wherein: the axis of the driving screw rod (7) and the axis of the valve body (1) are in the same horizontal plane.