CN212959912U

CN212959912U - Valve actuator with good sealing performance

Info

Publication number: CN212959912U
Application number: CN202021616535.9U
Authority: CN
Inventors: 陈仲武
Original assignee: Newway Technology Ltd
Current assignee: Newway Technology Ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-04-13
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a valve actuator with good sealing performance, which comprises a bearing seat, a sealing sleeve and a limiting ring, wherein a battery pack is placed in the top of the bearing seat, a groove is arranged at the bottom of the bearing seat, a movable column is positioned at the inner side of the sleeve, the sleeve is fixed at the inner bottom of a movable cylinder, the sealing sleeve and the limiting ring are respectively fixed at the upper side and the lower side of the outer surface of the movable cylinder, and a sealing ring is fixed at the lower end surface of the limiting ring, the bearing seat can be fixed on a required valve under the action of a bolt hole and an external bolt, at the moment, the movable cylinder and a through-flow port on the valve are positioned on the same vertical line, the sleeve can move up and down along with the movable column, thereby driving the movable cylinder to move up and down, the opening and closing of the through-flow port are conveniently controlled, after the movable cylinder moves down and blocks the through, at the moment, the sealing sleeve and the sealing ring can strengthen the connection between the movable cylinder and the valve, and the effect of strengthening the sealing performance is conveniently achieved.

Description

Valve actuator with good sealing performance

Technical Field

The utility model relates to a valve actuator technical field specifically is a valve actuator that leakproofness is good.

Background

The actuator is an essential important component in an automatic control system, the valve actuator is a machine for driving a valve, and the valve actuator is a precise electrical element and generally needs to have certain explosion-proof and protection level requirements.

The tightness between current valve executor and the valve is not enough to influence holistic leakproofness, and inconvenient split clearance, to above-mentioned problem, need improve current equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve actuator that leakproofness is good to the compactness between current valve actuator and the valve that proposes in solving above-mentioned background art is not enough, thereby influences holistic leakproofness, and the inconvenient problem of split clearance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a valve actuator that leakproofness is good, is including bearing seat, seal cover and spacing ring, the group battery has been placed in the top of bearing the seat, and the top of bearing the seat is fixed with the top cap through fixing bolt, the bottom of bearing the seat is seted up flutedly, and the top of recess is fixed with the pneumatic cylinder, and the downside of pneumatic cylinder is connected with the removal post through the piston rod simultaneously, it is located telescopic inboard to remove the post, and the sleeve fixes the interior bottom at the removal section of thick bamboo, seal cover and spacing ring are fixed respectively in the upper and lower both sides of removing a section of thick bamboo surface, and the lower terminal surface of spacing ring is fixed with the sealing washer.

Preferably, the bottom of the bearing seat is provided with a bolt hole, the bolt hole is positioned on the outer side of the groove, and the bolt holes are symmetrically arranged.

Preferably, the battery pack is electrically connected with a hydraulic cylinder.

Preferably, the hydraulic cylinder and the movable column form a telescopic structure through a piston rod, and the top of the movable column is fixed at the bottom of the piston rod through a stud bolt.

Preferably, the sealing sleeve is attached to the inner wall of the groove.

Compared with the prior art, the beneficial effects of the utility model are that: the valve actuator with good sealing performance is provided with a valve body,

(1) the bearing seat can be fixed on a required valve under the action of the bolt hole and an external bolt, the movable cylinder and the through-flow port on the valve are on the same vertical line, and the sleeve can move up and down along with the movable column, so that the movable cylinder is driven to move up and down, and the opening and closing of the through-flow port are conveniently controlled;

(2) when the movable cylinder moves downwards and blocks the through flow port, the valve is in a closed state, and the sealing sleeve and the sealing ring can strengthen the connection between the movable cylinder and the valve, so that the effect of strengthening the sealing performance is conveniently achieved;

(3) the bearing seat can be detached from the valve after the bolts in the bolt holes are unscrewed, the movable cylinder moves out of the groove along with the movable column, and then the stud bolt is detached, so that the movable cylinder is convenient to be removed for cleaning or replacement.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the groove, the hydraulic cylinder, the piston rod, the movable column, the sleeve, the stud bolt, the movable cylinder, the sealing sleeve, the limiting ring and the sealing ring of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. bear seat, 2, bolt hole, 3, group battery, 4, top cap, 5, fixing bolt, 6, recess, 7, pneumatic cylinder, 8, piston rod, 9, removal post, 10, sleeve, 11, stud, 12, remove a section of thick bamboo, 13, seal cover, 14, spacing ring, 15, sealing washer.

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. 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a valve actuator that leakproofness is good, as shown according to fig. 1, battery pack 3 has been placed in the top of bearing seat 1, and the top of bearing seat 1 is fixed with top cap 4 through fixing bolt 5, hold the bottom of bearing seat 1 and seted up bolt hole 2, and bolt hole 2 is located the outside of recess 6, bolt hole 2 symmetry sets up simultaneously, it can fix on required valve under the effect of bolt hole 2 and outside bolt to bear seat 1, conveniently accomplish the installation operation of the device, battery pack 3 electric connection has pneumatic cylinder 7, battery pack 3 can become the alternating current with the direct current under the effect of dc-to-ac converter and supply pneumatic cylinder 7 to use, with this normal work of guaranteeing the device.

According to fig. 1 and 2, the bottom of the bearing seat 1 is provided with a groove 6, the top of the groove 6 is fixed with a hydraulic cylinder 7, meanwhile, the lower side of the hydraulic cylinder 7 is connected with a movable column 9 through a piston rod 8, the hydraulic cylinder 7 forms a telescopic structure with the movable column 9 through the piston rod 8, the top of the movable column 9 is fixed at the bottom of the piston rod 8 through a stud 11, the stud 11 is screwed up to fix the movable column 9 and the piston rod 8 together, after the device is installed, the movable column 9 can move up and down under the action of the hydraulic cylinder 7 and the piston rod 8, so that the sleeve 10 is driven to move up and down, the movable cylinder 12 moves up and down along with the stud, and the opening and closing of the.

According to the drawings of fig. 1, 2 and 3, the movable column 9 is located on the inner side of the sleeve 10, the sleeve 10 is fixed at the inner bottom of the movable cylinder 12, the sealing sleeve 13 and the limiting ring 14 are respectively fixed on the upper side and the lower side of the outer surface of the movable cylinder 12, the lower end face of the limiting ring 14 is fixed with the sealing ring 15, the sealing sleeve 13 is attached to the inner wall of the groove 6, and the sealing sleeve 13 can strengthen the connection between the movable cylinder 12 and the valve and prevent fluid from overflowing from the valve.

The working principle is as follows: when the valve actuator with good sealing performance is used, firstly, the bearing seat 1 is fixed on a required valve through the bolt hole 2 and an external bolt, at the moment, the movable cylinder 12 and a through hole on the valve are on the same vertical line, the battery pack 3 converts direct current into alternating current under the action of the inverter to be used by the hydraulic cylinder 7, after the hydraulic cylinder 7 is started, the hydraulic cylinder 7 drives the piston rod 8 to move up and down, so as to drive the movable column 9 to move up and down, the sleeve 10 moves up and down along with the movable cylinder 12, so as to drive the movable cylinder 12 to move up and down, so as to control the opening and closing of the through hole, the limiting ring 14 plays a role in stopping and limiting in the downward movement process of the movable cylinder 12, when the movable cylinder 12 moves downward and blocks the through hole, the valve is in a closed state, at the moment, the sealing sleeve 13 can strengthen the connection, the sealing ring 15 can strengthen the connection between the movable cylinder 12 and the inside of the valve, prevent that the through-flow mouth is closed incompletely, can dismantle bearing seat 1 after work is finished and the bolt in bolt hole 2 is unscrewed, remove the movable cylinder 12 along with remove post 9 and shift out after recess 6 together, take off stud 11 again, conveniently take off movable cylinder 12 and clear up or change, can unscrew fixing bolt 5 and dismantle top cap 4 after the battery pack 3 breaks down, conveniently take out the battery pack 3 and maintain, the content that does not do not make detailed description in this specification belongs to the prior art that the professional skilled person in the art knows.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a valve actuator that leakproofness is good, is including bearing seat (1), seal cover (13) and spacing ring (14), its characterized in that: the utility model discloses a portable battery pack, including bearing seat (1), battery group (3) have been placed in the top of bearing seat (1), and the top of bearing seat (1) is fixed with top cap (4) through fixing bolt (5), the bottom of bearing seat (1) is seted up fluted (6), and the top of recess (6) is fixed with pneumatic cylinder (7), and the downside of pneumatic cylinder (7) is connected with removal post (9) through piston rod (8) simultaneously, it is located the inboard of sleeve (10) to remove post (9), and fixes the interior bottom at removal section of thick bamboo (12) sleeve (10), seal cover (13) and spacing ring (14) are fixed respectively in the upper and lower both sides of removing a section of thick bamboo (12) surface, and the lower terminal surface of spacing ring (14) is fixed with sealing washer (.

2. A valve actuator of claim 1 having good sealing properties, wherein: the bottom of the bearing seat (1) is provided with a bolt hole (2), the bolt hole (2) is located on the outer side of the groove (6), and the bolt holes (2) are symmetrically arranged.

3. A valve actuator of claim 1 having good sealing properties, wherein: the battery pack (3) is electrically connected with a hydraulic cylinder (7).

4. A valve actuator of claim 1 having good sealing properties, wherein: the hydraulic cylinder (7) and the movable column (9) form a telescopic structure through the piston rod (8), and the top of the movable column (9) is fixed at the bottom of the piston rod (8) through the stud bolt (11).

5. A valve actuator of claim 1 having good sealing properties, wherein: and the sealing sleeve (13) is attached to the inner wall of the groove (6).