CN212338359U

CN212338359U - Structure convenient for correcting position of valve rod of valve

Info

Publication number: CN212338359U
Application number: CN202021018175.2U
Authority: CN
Inventors: 陈宏�; 张富斌
Original assignee: Changzhou Weitu Fluid Technology Co ltd
Current assignee: Changzhou Weitu Fluid Technology Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-01-12
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a make things convenient for correction valve rod position structure relates to correction valve rod position structure technical field, which comprises a housin, the inside movable mounting of casing has the output shaft, the top in the output shaft outside is provided with outer octagon key, be provided with the location dog through outer octagon key between casing and the output shaft, the inner wall of location dog is provided with the interior octagon key with outer octagon key intermeshing. The utility model discloses after installing, the position of the valve rod of valve is not just, at this moment, can be through rotatory hex bolts, adjust hex bolts's the wrong income degree of depth, the top that makes its hex bolts extrudes to location dog makes its slow rotation, again because of mutually supporting through outer octagon key and interior octagon key, thereby guarantee that the output shaft is when initial condition, the angle of location dog and casing is unanimous, thereby realized can finely tune it after the equipment fixing is good, and simple structure, the operation of being convenient for, thereby the work efficiency of equipment has been accelerated.

Description

Structure convenient for correcting position of valve rod of valve

Technical Field

The utility model relates to a correction valve rod position technical field specifically is a make things convenient for correction valve rod position structure.

Background

The actuator is an essential important component of an automatic control system, and the function of the actuator is to receive a control signal sent by a controller and to start the position of a valve rod of a valve to be adjusted.

After the equipment is installed, the position of the valve rod of the valve is not necessarily right, the structure for finely adjusting the valve rod position of the existing correction valve is complex, inconvenient to operate and poor in adjusting effect, so that the whole working efficiency is greatly low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that after the equipment is installed, the position of a valve rod of the valve is not necessarily correct, the structure for finely adjusting the valve rod position of the existing correction valve is complex, inconvenient to operate and not good in adjusting effect, so that the problem of low overall working efficiency is solved, and the structure for conveniently correcting the valve rod position of the valve is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a convenient correction valve rod position structure, includes the casing, the inside movable mounting of casing has the output shaft, the top in the output shaft outside is provided with outer octagon key, be provided with the location dog through outer octagon key between casing and the output shaft, the inner wall of location dog is provided with the interior octagon key with outer octagon key intermeshing, the inside both sides of casing all are provided with the piston of mutually supporting with the output shaft, the outside of casing is provided with two sets of hexagon nuts, the outside of casing is connected with two sets of hex bolts through hex nut, and hex bolts's end offsets with the location dog.

Preferably, the bottom of casing and output shaft bottom matched with bearing, and casing bottom and bearing matched with circlip and skeleton oil blanket for the hole.

Preferably, both ends of the housing are provided with side covers, and a plurality of groups of springs are arranged between the piston and the side covers.

Preferably, a transmission case is mounted on the top of the housing, and an upper cover is arranged on the top of the transmission case.

Preferably, two groups of waterproof joints are symmetrically arranged on one side of the shell.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses after installing, the position of the valve rod of valve is not just, at this moment, can be through rotatory hex bolts, adjust hex bolts's the wrong income degree of depth, the top that makes its hex bolts extrudes to location dog makes its slow rotation, again because of mutually supporting through outer octagon key and interior octagon key, thereby guarantee that the output shaft is when initial condition, the angle of location dog and casing is unanimous, thereby realized can finely tune it after the equipment fixing is good, and simple structure, the operation of being convenient for, thereby the work efficiency of equipment has been accelerated.

Drawings

FIG. 1 is a schematic view of the upper section structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

FIG. 3 is a schematic diagram of a partial explosion structure of the present invention;

fig. 4 is a schematic view of a part of the structure of the present invention.

In the figure: 1. a housing; 2. positioning a stop block; 3. an outer octagonal key; 4. an inner octagonal key; 5. an upper cover; 6. a hexagon bolt; 7. a hexagonal nut; 8. a transmission case; 9. a waterproof joint; 10. a piston; 11. an output shaft; 12. a bearing; 13. a circlip for a hole; 14. framework oil seal; 15. a side cover; 16. a spring.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, a structure for conveniently correcting the position of a valve rod of a valve comprises a shell 1, an output shaft 11 is movably mounted inside the shell 1, an outer octagonal key 3 is arranged at the top of the outer side of the output shaft 11, a positioning stop block 2 is arranged between the shell 1 and the output shaft 11 through the outer octagonal key 3, an inner octagonal key 4 meshed with the outer octagonal key 3 is arranged on the inner wall of the positioning stop block 2, pistons 10 matched with the output shaft 11 are arranged on two sides inside the shell 1, two groups of hexagonal nuts 7 are arranged on the outer side of the shell 1, two groups of hexagonal bolts 6 are connected to the outer side of the shell 1 through the hexagonal nuts 7, and the tail ends of the hexagonal bolts 6 abut against the positioning stop block 2.

The utility model discloses after installing, the position of the valve rod of valve is not just, at this moment, can be through rotatory hex bolts 6, make the crowded stopper 2 that makes its hex bolts 6 in the top make its slow rotation to location, again because of mutually supporting through outer octagon key 3 and interior octagon key 4, thereby guarantee output shaft 11 when initial condition, location stopper 2 is unanimous with casing 1's angle, thereby realized that equipment fixing can finely tune it after good, and simple structure, the operation of being convenient for, thereby the work efficiency of equipment has been accelerated.

Please refer to fig. 1, fig. 2 and fig. 3, the bottom of the housing 1 is matched with the bearing 12 at the bottom of the output shaft 11, and the bottom of the housing 1 is matched with the bearing 12 and the circlip 13 and the frame oil seal 14 are used for the hole.

Please refer to fig. 1, fig. 2 and fig. 3, both ends of the housing 1 are provided with side covers 15, and a plurality of sets of springs 16 are disposed between the piston 10 and the side covers 15.

Please refer to fig. 1, fig. 2 and fig. 3, a transmission box 8 is installed on the top of the housing 1, and an upper cover 5 is installed on the top of the transmission box 8, so that the gear set can be conveniently placed and the normal operation of the gear set can be conveniently performed.

Please refer to fig. 1, fig. 2 and fig. 3, two sets of waterproof joints 9 are symmetrically disposed on one side of the housing 1, and the present invention provides the above structure to seal the inside of the housing 1.

The working principle is as follows: in the state that the mechanism is not electrified, the piston 10 is always pressed by the spring 16, the piston 10 applies the elastic force to the output shaft 11 through gear transmission, the output shaft 11 is connected with the positioning stop block 2 through the inner octagonal key 4, and therefore when the output shaft 11 is in the initial state, the inner octagonal key 4 at the shaft end and the shell 1 are both in the same angle by adjusting the screwing-in depth of the hexagonal bolt 6.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a conveniently rectify valve rod position structure, includes casing (1), its characterized in that: the utility model discloses a hexagonal bolt, including casing (1), the inside movable mounting of casing (1) has output shaft (11), the top in the output shaft (11) outside is provided with outer octagon key (3), be provided with location dog (2) through outer octagon key (3) between casing (1) and output shaft (11), the inner wall of location dog (2) is provided with interior octagon key (4) with outer octagon key (3) intermeshing, the inside both sides of casing (1) all are provided with piston (10) of mutually supporting with output shaft (11), the outside of casing (1) is provided with two sets of hexagon nut (7), the outside of casing (1) is connected with two sets of hexagon bolt (6) through hexagon nut (7), and the end and the location dog (2) of hexagon bolt (6) offset.

2. The structure for facilitating correction of a position of a valve stem of a valve according to claim 1, wherein: the bottom of the shell (1) is provided with a bearing (12) matched with the bottom end of the output shaft (11), and the bottom of the shell (1) is provided with a circlip (13) and a framework oil seal (14) matched with the bearing (12).

3. The structure for facilitating correction of a position of a valve stem of a valve according to claim 1, wherein: both ends of the shell (1) are provided with side covers (15), and a plurality of groups of springs (16) are arranged between the piston (10) and the side covers (15).

4. The structure for facilitating correction of a position of a valve stem of a valve according to claim 1, wherein: a transmission case (8) is installed at the top of the shell (1), and an upper cover (5) is arranged at the top of the transmission case (8).

5. The structure for facilitating correction of a position of a valve stem of a valve according to claim 1, wherein: two groups of waterproof joints (9) are symmetrically arranged on one side of the shell (1).