CN215257898U

CN215257898U - Valve optional position locking device

Info

Publication number: CN215257898U
Application number: CN202121557131.1U
Authority: CN
Inventors: 程明
Original assignee: Wuhan Bainai Fluid Control Equipment Co ltd
Current assignee: Wuhan Bainai Fluid Control Equipment Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-21
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a valve arbitrary position locking device, which relates to the technical field of valves and comprises a valve rod, wherein a fixed sleeve is connected with a key at one end of the surface of the valve rod far away from a valve core, an external spline is arranged on the outer surface of the fixed sleeve, a limit sleeve is coaxially sleeved on the surface of the fixed sleeve, a fixed seat is fixedly connected at one end of the surface of the valve rod close to the fixed sleeve, a support baffle is fixedly connected with the inner side wall of the fixed seat, and the valve arbitrary position locking device can rotate the limit sleeve baffle to the position contacting with the support baffle when an actuator has problems and needs maintenance through the arrangement of the fixed sleeve, the external spline, the limit sleeve, the internal spline, the fixed seat, the support baffle and the limit sleeve baffle, the valve opening is fixed at the position, the maintenance work safety and reliability can be greatly improved compared with the prior art, the possibility of misoperation damage is reduced, the device is installed on the valve, so the device can be applied to valves operated by various actuating mechanisms.

Description

Valve optional position locking device

Technical Field

The utility model relates to the technical field of valves, specifically a valve optional position locking device.

Background

The valve is in daily life, is used for controlling fluidic switch usually, and the common structure includes that valve casing, valve shell in set up the case, is equipped with control valve core pivoted pivot on the case, connects the carousel through spacing shapes such as cubic or hexagonal or non-solid of revolution abnormal shape structure in the pivot, drives the case through rotating the carousel and rotates when using, realizes opening and the size control of valve.

The traditional valve locking mode is realized by a screw nut, parts with relative motion are directly clamped, the driving force of a motion mechanism is resisted by the friction force of materials between the two parts, the locking reliability of the valve is determined by the locking force of a bolt and a nut and the friction number of the materials, and after the valve is recycled for a plurality of times, the state of a sliding surface is deteriorated, so that the mechanism fails.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

The utility model provides a not enough to prior art, the utility model provides a valve optional position locking device has solved the problem of proposing among the above-mentioned background art.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: including the valve rod, the one end key-type connection on valve rod surface has fixed cover, the external splines have been seted up to the surface of fixed cover, the coaxial cover in surface of fixed cover is equipped with the stop collar, the valve rod surface is close to the one end fixedly connected with fixing base of fixed cover, the inside wall fixedly connected with support baffle of fixing base, the outer fixed surface of stop collar is connected with the stop collar baffle, stop collar baffle and support baffle looks adaptation.

Optionally, the inside wall of fixed cover has been seted up the keyway, the quantity of keyway is two, two the keyway uses the center pin of fixed cover as the symmetry axis, and the symmetry is seted up the inside wall of fixed cover, two keyways stability is better when the installation.

Optionally, the fixed surface of valve rod is connected with the parallel key, parallel key and keyway looks adaptation, fixed cover passes through the coaxial suit of keyway in the surface of valve rod to conveniently pass through parallel key and keyway, with fixed cover joint on the valve rod.

Optionally, the valve rod surface is close to the one end threaded connection of fixed cover and is had connecting bolt, the screw hole with connecting bolt looks adaptation is seted up to the lower surface of fixed cover, connecting bolt penetrates the one end of valve rod and supports tightly the screw hole of fixed cover lower surface, further restricts fixed cover through connecting bolt for fixed cover is convenient for dismantle simultaneously more stable.

Optionally, an external spline is seted up on the surface of fixed cover, the internal spline with fixed cover looks adaptation is seted up to the inside wall of stop collar, fixed cover and stop collar splined connection, and then provide great frictional force, avoid the stop collar to rotate on the surface of fixed cover for the restriction effect is more.

Optionally, the side threaded connection of stop collar has holding screw, the stop collar assembles an organic wholely through holding screw and fixed cover to restrict the stop collar through holding screw, avoid the stop collar to rotate.

Advantageous effects

The utility model provides a valve optional position locking device possesses following beneficial effect:

this valve optional position locking device, through fixed cover, the external spline, the stop collar, the internal spline, a fixed base, the setting of support baffle and stop collar baffle, when the executor goes wrong and needs to overhaul, can turn to the stop collar baffle with support baffle contact position, the valve aperture is fixed in this position department promptly, can implement maintenance work, install on the valve because of the device, so can be applicable to electronically, it is pneumatic, on the valve of multiple actuating mechanism manipulation such as surge, and the safety and reliability than had great promotion in the past, the possibility that the maloperation damaged reduces.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the fixing base of the present invention;

fig. 3 is a schematic structural view of the fixing sleeve of the present invention;

FIG. 4 is a schematic structural view of the stop collar of the present invention;

fig. 5 is a schematic view of the usage state of the present invention.

In the figure: 1-valve rod, 4-fixing sleeve, 5-external spline, 6-limiting sleeve, 7-fixing seat, 8-bracket baffle, 9-key groove, 10-flat key, 11-connecting bolt, 13-internal spline, 14-set screw and 15-limiting sleeve baffle.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a valve optional position locking device, includes valve rod 1, and 1 terminal connection that the case 2 was kept away from on the surface of valve rod has fixed cover 4, and external splines 5 have been seted up to the surface of fixed cover 4, and the coaxial cover in surface of fixed cover 4 is equipped with stop collar 6, and 1 surface of valve rod is close to the one end fixedly connected with fixing base 7 of fixed cover 4, and the inside wall fixedly connected with support baffle 8 of fixing base 7.

The side surface of the limit sleeve 6 is in threaded connection with a set screw 14, the limit sleeve 6 is assembled with the fixed sleeve 4 into a whole through the set screw 14, so that the limit sleeve 6 is limited through the set screw, the limit sleeve 6 is prevented from rotating, a limit sleeve baffle 15 is fixedly connected to the outer surface of the limit sleeve 6, the limit sleeve baffle 15 is matched with the support baffle 8, the limit sleeve baffle 15 is limited by the limit sleeve baffle 15 contacting with the support baffle 8, the opening of the valve is fixed at the position, the inner side wall of the fixed sleeve 4 is provided with key grooves 9, the number of the key grooves 9 is two, the two key grooves 9 are symmetrically arranged on the inner side wall of the fixed sleeve 4 by taking the central shaft of the fixed sleeve 4 as a symmetrical shaft, the stability of the two key grooves 9 during installation is better, the surface of the valve rod 1 is fixedly connected with a flat key 10, the flat key 10 is matched with the key grooves 9, the fixed sleeve 4 is coaxially sleeved on the surface of the valve rod 1 through the key grooves 9, therefore, the fixing sleeve 4 is conveniently clamped on the valve rod 1 through the flat key 10 and the key groove 9, the end, close to the fixing sleeve 4, of the surface of the valve rod 1 is in threaded connection with the connecting bolt 11, the lower surface of the fixing sleeve 4 is provided with a threaded hole matched with the connecting bolt 11, the connecting bolt 11 penetrates into the threaded hole at one end of the valve rod 1 and abuts against the lower surface of the fixing sleeve 4 tightly, the fixing sleeve 4 is further limited through the connecting bolt 11, the fixing sleeve 4 is more stable and is convenient to disassemble, the outer surface of the fixing sleeve 4 is provided with the external spline 12, the inner side wall of the limiting sleeve 6 is provided with the internal spline 13 matched with the fixing sleeve 4, the fixing sleeve 4 is in splined connection with the limiting sleeve 6, larger friction force is provided, the limiting sleeve 6 is prevented from rotating on the surface of the fixing sleeve 4, the limiting effect is better, the inner top wall of the fixing seat 7 is fixedly connected with the mounting bolt, the valve rod 1 is installed in the valve shell, the fixing seat is fixedly connected with the valve shell through a mounting bolt.

In conclusion, when the locking device for the valve at any position is used, the fixed sleeve 4 is fixed at the valve rod of the valve by using the flat key 10 and the key groove 9 and is fixed at the valve rod 1 by using the connecting bolt 11, the limit sleeve 6 is processed into the internal spline 13 matched with the fixed sleeve 4, the fixed seat 7 is provided with the bracket baffle plate 8 matched with the limit sleeve 6 for use, when the valve is positioned at a certain opening, the actuator has problems and needs to be overhauled, the limit sleeve 6 is rotated to enable the internal spline 13 on the inner side wall of the limit sleeve 6 to be meshed and clamped with the external spline 5 on the surface of the limit sleeve 6, so that the limit sleeve baffle plate 15 is rotated to be clamped with the bracket baffle plate 8, the valve rod 1 is fixed, the internal spline 13 is locked and meshed with the external spline 5 at any position, the valve opening is fixed at the position, the overhauling work can be implemented, the smooth plane on the traditional moving element is replaced by the spline meshing mode, and the locking effect is better, because the device is installed on the valve, so can be applicable to the valve that multiple actuating mechanism such as electronic, pneumatics, surging controlled, and the safe and reliable has had great promotion than in the past, and the possibility that the maloperation damaged reduces.

The detailed description of the known functions and the known components is omitted in the embodiment of the disclosure, and in order to ensure the compatibility of the equipment, the adopted operation means are consistent with the parameters of the instruments on the market.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present application, the terms "connect", "install", "fix", "set", etc. are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, and as in this case, for a person skilled in the art, the specific meaning of the above terms in the present invention or the present invention can be understood according to specific situations.

The standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.

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. A valve random position locking device, comprising a valve rod (1), characterized in that: the utility model discloses a valve rod, including valve rod (1), valve rod's (1) one end key-type connection on surface has fixed cover (4), external splines (5) have been seted up to the surface of fixed cover (4), the coaxial cover in surface of fixed cover (4) is equipped with stop collar (6), valve rod (1) surface is close to one end fixedly connected with fixing base (7) of fixed cover (4), the inside wall fixedly connected with support baffle (8) of fixing base (7), stop collar (6) outer fixed surface is connected with stop collar baffle (15), stop collar baffle (15) and support baffle (8) looks adaptation.

2. A valve random position lockout device as claimed in claim 1 wherein: keyway (9) have been seted up to the inside wall of fixed cover (4), the quantity of keyway (9) is two, two keyway (9) use the center pin of fixed cover (4) as the symmetry axis, and the symmetry is seted up the inside wall of fixed cover (4).

3. A valve random position lockout device as claimed in claim 1 wherein: the surface of the valve rod (1) is fixedly connected with a flat key (10), the flat key (10) is matched with a key groove (9), and the fixed sleeve (4) is coaxially sleeved on the surface of the valve rod (1) through the key groove (9).

4. A valve random position lockout device as claimed in claim 3 wherein: the valve rod (1) surface is close to one end threaded connection of fixed cover (4) has connecting bolt (11), the lower surface of fixed cover (4) is seted up with the screw hole of connecting bolt (11) looks adaptation, connecting bolt (11) penetrate the one end of valve rod (1) and support tightly the screw hole of fixed cover (4) lower surface.

5. A valve random position lockout device as claimed in claim 1 wherein: and an inner spline (13) matched with the fixed sleeve (4) is arranged on the inner side wall of the limiting sleeve (6).

6. A valve random position lockout device as claimed in claim 5 wherein: the side surface of the limiting sleeve (6) is in threaded connection with a set screw (14), and the limiting sleeve (6) is assembled into a whole with the fixed sleeve (4) through the set screw (14).