CN214999757U

CN214999757U - Valve actuator pointer seat

Info

Publication number: CN214999757U
Application number: CN202120632072.3U
Authority: CN
Inventors: 吕亮; 丁睿
Original assignee: Wuhan Grat Control Valve Co ltd
Current assignee: Wuhan Grat Control Valve Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-03
Anticipated expiration: 2031-03-29

Abstract

The utility model provides a pointer seat of a valve actuator, belonging to the technical field of an angle indicating device of an output shaft of the valve actuator, comprising an actuator, a disk seat, a driving shaft and a pointer, the actuator comprises a casing, a motor, a worm and a rotating shaft, the casing is detachably and fixedly arranged on the disk seat, the driving shaft is movably arranged on the disk seat, a shaft sleeve is arranged on the driving shaft, a limit groove is arranged on the shaft sleeve, one end part of the rotating shaft penetrates out of the shell, the end part of the rotating shaft is provided with a limit end socket, the rotating shaft is clamped in a limit groove of the shaft sleeve through the limit end socket, the pointer is fixedly arranged on the driving shaft, the scale marks corresponding to the pointer are arranged on the disk seat, when the driving shaft rotates, the pointer is driven to swing at the same time, the swing angle of the pointer can be displayed through the scale marks on the disk seat, so that the rotating angle of the valve rod of the valve can be visually seen.

Description

Valve actuator pointer seat

Technical Field

The utility model relates to a valve actuator's technical field, more specifically say so and relate to valve actuator output shaft angle indicating device's technical field.

Background

The executor is one of connecting and driving the closed important part of valve plate switch, and the executor rotates through the valve rod of valves such as drive butterfly valve at the during operation, and then drives the valve plate through the valve rod and rotate, reaches the closed purpose of control valve plate switch, however present common executor at the during operation, the turned angle of valve rod can't be observed directly perceivedly to the naked eye, can't observe the switch closed angle of valve plate directly perceivedly promptly, brings very big inconvenience for operations such as valve maintenance. Although some valve actuator indicating devices on the market can indicate the rotating angle of the valve rod, the valve actuator indicating devices and the actuators are integrated, when the actuators with different sizes and models need to be replaced for the valve, the valve actuator indicating devices need to be replaced together, so that the valve actuator indicating devices cannot be well adapted to the actuators with different sizes and models, and the manufacturing and using cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a valve actuator pointer seat has solved among the prior art that the naked eye is difficult to observe the turned angle of valve rod directly perceivedly to and the problem of not unidimensional model executor of adaptation well.

The technical scheme of the utility model is realized like this:

the utility model provides a valve actuator pointer seat, includes executor, dish seat, drive shaft and pointer, the executor includes casing, motor, worm and pivot, pivot movable mounting is provided with the worm wheel in the casing in the pivot, worm movable mounting in the casing to mesh mutually with the worm wheel, motor fixed mounting is in the casing, and is connected with the worm transmission, casing detachably fixed mounting is on the dish seat, and drive shaft movable mounting is provided with the axle sleeve in the drive shaft on the dish seat, has seted up the spacing groove on the axle sleeve, and a tip of pivot is worn out from the casing, is provided with spacing end at this tip of pivot, and the pivot is through spacing end joint in the spacing inslot of axle sleeve, and pointer fixed mounting is in the drive shaft be provided with the scale mark corresponding with the pointer on the dish seat.

The limiting groove is in a polygonal star shape, and the cross section of the limiting end is square corresponding to the limiting groove.

The worm is provided with a first belt pulley, the output shaft of the motor is provided with a second belt pulley, and the second belt pulley is in belt transmission connection with the first belt pulley.

The chassis is provided with a support plate, the tray seat is provided with a bracket, and the support plate of the chassis is detachably and fixedly connected with the bracket of the tray seat through a bolt.

The driving shaft is movably arranged on the disk seat through a bearing.

The utility model adopts the beneficial effect that above-mentioned technical solution can reach is:

1. when the drive shaft rotated, also driven the pointer swing simultaneously, can show the wobbling angle of pointer through the scale mark on the dish seat to can find out the angle that the valve rod of valve rotated directly perceivedly, solve the problem that traditional mode naked eye is difficult to observe, the development of work such as the very convenient to valve maintenance goes on.

2. The casing and the dish seat detachably fixed connection of executor, when needs change different executors to the valve, only need pull down the casing from the dish seat to deviate from the spacing inslot of axle sleeve with the spacing end of pivot, can change the executor of not unidimensional model, operation ten minutes convenient and fast.

3. The valve actuator pointer seat has a simple structure, and can effectively reduce the manufacturing and using cost.

4. The limiting groove on the shaft sleeve is arranged to be in a polygonal star shape, the cross section of the limiting end is arranged to be square corresponding to the limiting groove, when the limiting end of the rotating shaft is clamped into the limiting groove, if the clamping angle of the limiting end and the limiting groove is not aligned, the rotating shaft is only required to rotate by a small angle, the limiting end and the limiting groove can be aligned, and therefore clamping assembly of the limiting end and the limiting groove is quite convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a sectional view B-B of fig. 1.

In the drawings, the parts corresponding to the reference numerals are as follows:

1-shell, 2-motor, 3-worm wheel, 4-worm, 5-disk seat, 6-bracket, 7-pointer, 8-shaft sleeve, 9-driving shaft, 10-graduation line, 11-bearing, 12-limiting groove, 13-limiting end, 14-first belt pulley, 15-second belt pulley, 16-belt, 17-support plate, 18-bolt and 19-rotating shaft.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a valve actuator pointer seat, includes executor, dish seat 5, drive shaft 9 and pointer 7, refers to fig. 1 and fig. 3, the executor includes casing 1, motor 2, worm 4 and pivot 19, pivot 19 movable mounting is provided with worm wheel 3 in casing 1 on pivot 19, and worm 4 movable mounting is in casing 1 to mesh mutually with worm wheel 3, motor 2 fixed mounting is in casing 1 to be connected with worm 4 transmission, and motor 2 and worm 4's concrete transmission connection relation is as follows: a first belt pulley 14 is arranged on the worm 4, a second belt pulley 15 is arranged on an output shaft of the motor 2, and the second belt pulley 15 is in transmission connection with the first belt pulley 14 and a belt 16.

The machine shell 1 is detachably and fixedly arranged on the disk seat 5, and the specific connection relationship between the machine shell 1 and the disk seat 5 is as follows: a support plate 17 is arranged on the machine shell 1, a bracket 6 is arranged on the disk seat 5, and the support plate 17 of the machine shell 1 is detachably and fixedly connected with the bracket 6 of the disk seat 5 through a bolt 18. The driving shaft 9 is movably mounted on the disc seat 5 through a bearing 11, a shaft sleeve 8 is arranged on the driving shaft 9, a limiting groove 12 is formed in the shaft sleeve 8, one end portion of a rotating shaft 19 penetrates out of the machine shell 1, a limiting end 13 is arranged at the end portion of the rotating shaft 19, the rotating shaft 19 is clamped in the limiting groove 12 of the shaft sleeve 8 through the limiting end 13, the limiting groove 12 is in a polygonal star shape, and the cross section of the limiting end 13 is in a square shape corresponding to the limiting groove 12. Referring to fig. 1 and 3, the pointer 7 is fixedly mounted on the driving shaft 9, and the scale lines 10 corresponding to the pointer 7 are provided on the tray 5.

Use the butterfly valve as an example, the utility model discloses a valve actuator pointer seat is when using, with 5 fixed mounting of dish seat on the valve body of butterfly valve, and with the valve rod fixed connection of drive shaft 9 and butterfly valve, when needs adjust the aperture of butterfly valve plate, rotate through motor 2 drive worm 4, drive worm wheel 3 and pivot 19 through worm 4 and rotate, drive axle sleeve 8 and drive shaft 9 through 19 last spacing end 13 of pivot, the valve rod that drives the butterfly valve through drive shaft 9 rotates, and then the valve plate that drives the butterfly valve rotates, adjust the aperture of butterfly valve plate. When the drive shaft 9 rotates, also drive the pointer 7 swing simultaneously, can show the wobbling angle of pointer 7 through scale mark 10 on the disk seat 5 to the angle that the butterfly valve rod rotated can be seen out directly perceivedly, the problem that traditional mode is difficult to observe through the naked eye has been solved.

The casing 1 and the 5 detachably fixed connection of disk seat of executor, when needs change different executors to the butterfly valve, only need to pull down casing 1 from disk seat 5 to deviate from the spacing end 13 of pivot 19 from the spacing inslot 12 of axle sleeve 8, can change the executor of different size models, the operation is very convenient and fast.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The valve actuator pointer seat is characterized by comprising an actuator, a disc seat (5), a driving shaft (9) and a pointer (7), wherein the actuator comprises a casing (1), a motor (2), a worm (4) and a rotating shaft (19), the rotating shaft (19) is movably arranged in the casing (1), the rotating shaft (19) is provided with a worm wheel (3), the worm (4) is movably arranged in the casing (1) and is meshed with the worm wheel (3), the motor (2) is fixedly arranged in the casing (1) and is in transmission connection with the worm (4), the casing (1) is detachably and fixedly arranged on the disc seat (5), the driving shaft (9) is movably arranged on the disc seat (5), a shaft sleeve (8) is arranged on the driving shaft (9), a limiting groove (12) is formed in the shaft sleeve (8), one end part of the rotating shaft (19) penetrates out of the casing (1), the end part of the rotating shaft (19) is provided with a limiting end head (13), the rotating shaft (19) is clamped in a limiting groove (12) of the shaft sleeve (8) through the limiting end head (13), the pointer (7) is fixedly installed on the driving shaft (9), and the disc seat (5) is provided with scale marks (10) corresponding to the pointer (7).

2. The valve actuator pointer base of claim 1 wherein the limit groove (12) is a multi-angular star shape, and the cross section of the limit end (13) is a square shape corresponding to the limit groove (12).

3. Valve actuator pointer base according to claim 1, characterised in that a first belt pulley (14) is arranged on the worm (4), a second belt pulley (15) is arranged on the output shaft of the motor (2), and the second belt pulley (15) is in driving connection with the belt (16) of the first belt pulley (14).

4. Valve actuator pointer base according to claim 1, characterised in that a support plate (17) is arranged on the housing (1) and a bracket (6) is arranged on the plate base (5), the support plate (17) of the housing (1) being detachably and fixedly connected to the bracket (6) of the plate base (5) by means of a bolt (18).

5. Valve actuator pointer base according to claim 1, characterised in that the drive shaft (9) is movably mounted on the plate base (5) by means of bearings (11).