CN212536880U

CN212536880U - Control valve for prolonging service life of hand wheel

Info

Publication number: CN212536880U
Application number: CN202020574369.4U
Authority: CN
Inventors: 陈水波; 戴华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-02-12
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses an improve hand wheel life's control valve, comprises a valve seat, the both ends of disk seat all are provided with mounting flange, and this disk seat inner chamber middle part is provided with the valve rod, and the middle part on disk seat top is provided with the connecting seat, flange and valve gap connection are passed through on the top of connecting seat, the one end of valve rod runs through connecting seat and valve gap respectively to extend to the top outside of valve gap, the valve rod surface in the valve gap top outside is provided with the fixing base, one side of fixing base is provided with the screw, and the top of fixing base is provided with the fixed plate. The utility model discloses a set up fixing base, screw, fixed plate, mounting hole, through-hole, fixed slot, draw-in groove, connecting hole and card post, mutually support and use, reached the probability that reduces smooth silk between hand wheel and the valve rod, increase the operating performance of hand wheel to the valve rod, increase the life of hand wheel, practiced thrift material resource and reduced economic cost, guaranteed the advantage of valve normal use.

Description

Control valve for prolonging service life of hand wheel

Technical Field

The utility model relates to a control valve technical field specifically is an improve hand wheel life's control valve.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, controlling, guiding, preventing counter flow, stabilizing pressure, shunting, overflowing, relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are further divided into cast iron valves, cast steel valves, stainless steel valves, chromium molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves and the like according to the material.

The control valve in the present stage all is provided with the hand wheel, a part that is used for making things convenient for wrench movement valve rod, because the go-between of valve rod and hand wheel belongs to thread engagement and is connected, and use the nut to fix, can appear smooth silk phenomenon under long-time use or the condition of exerting oneself hard, lead to the hand wheel can't continue to carry out the effect of wrench movement to the valve rod again, and then influence the normal use of valve, consequently will change the hand wheel, the life of hand wheel has been reduced, and simultaneously, material resources have also been wasted, increase economic cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve hand wheel life's control valve, possess the probability that reduces smooth silk between hand wheel and the valve rod, increase the operating performance of hand wheel to the valve rod, increase the life of hand wheel, material resources has been practiced thrift and economic cost has been reduced, the advantage of valve normal use has been guaranteed, the smooth silk phenomenon can appear under the long-time use of hand wheel or the hard condition of strength has been solved, lead to the effect that the hand wheel can't continue to wrench movement to the valve rod again, and then influence the normal use of valve, consequently, the hand wheel will be changed, the life of hand wheel has been reduced, and simultaneously, material resources have also been wasted, the problem of economic cost is increased.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an improve hand wheel life's control valve, includes the disk seat, the both ends of disk seat all are provided with mounting flange, and this disk seat inner chamber middle part is provided with the valve rod, and the middle part on disk seat top is provided with the connecting seat, flange and valve gap connection are passed through on the top of connecting seat, the one end of valve rod runs through connecting seat and valve gap respectively to extend to the top outside of valve gap, the valve rod surface in the valve gap top outside is provided with the fixing base, one side of fixing base is provided with the screw, and the top of fixing base is provided with the fixed plate, the top of fixed plate is provided with the hand wheel, and this.

The top of fixed plate is provided with the fixed slot, and the fixed plate surface of this fixed slot one end is provided with the draw-in groove, the hand wheel comprises go-between, bolster and handle, and the bolster that passes through of this go-between is connected with the handle, connects preferentially, the junction of valve rod and valve gap is provided with the seal chamber, and the inside in this seal chamber is provided with sealing filler.

Preferably, a sealing cavity is arranged at the joint of the valve rod and the valve cover, sealing filler is arranged inside the sealing cavity, and a connecting hole is formed at the joint of the valve rod and the fixing plate.

Preferably, the size of the connecting ring is matched with that of the fixing groove, the size of the clamping groove is matched with that of the clamping column, and the clamping column is arranged on the outer side of the connecting ring in a surrounding mode.

Preferably, a through hole matched with the fixed seat is formed in the joint of the fixed seat and the screw, a mounting hole matched with the valve rod is formed in the position, corresponding to the through hole, of the valve rod, and an internal thread meshed with the external thread of the screw is formed in the inner surface of the mounting hole.

Preferably, the connection parts of the connection seat, the valve cover and the connection flange are provided with sealing rings.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up fixing base, screw, fixed plate, mounting hole, through-hole, fixed slot, draw-in groove, connecting hole and card post, mutually support and use, reached the probability that reduces smooth silk between hand wheel and the valve rod, increase the operating performance of hand wheel to the valve rod, increase the life of hand wheel, practiced thrift material resource and reduced economic cost, guaranteed the advantage of valve normal use.

2. The utility model fixes the fixing seat on the valve rod through the screw, which can lead the connection between the fixing seat and the valve rod to be more stable and firm, effectively avoids the gap between the valve rod and the valve cover through the sealing cavity and the sealing filler, after the sliding wire appears, the fixing plate is driven to rotate through the rotation of the hand wheel, the fixing plate drives the valve rod to rotate, which can effectively enhance the stability of the rotation of the valve rod, increase the service life of the hand wheel, the hand wheel is clamped into the fixing groove through the connecting ring, the clamping column outside the connecting ring is clamped into the clamping groove, which can effectively reduce the sliding wire probability between the hand wheel and the valve rod, thereby effectively solving the problem that the sliding wire phenomenon appears when the hand wheel is used for a long time or is forced, the hand wheel can not continue to twist the valve rod, further influencing the normal use of the valve, therefore, the hand wheel can be, meanwhile, the material resource is wasted, and the economic cost is increased.

Drawings

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

fig. 2 is a schematic view of the structure of the fixing groove of the present invention;

FIG. 3 is a schematic view of the structure of the clamp column of the present invention;

FIG. 4 is a schematic view of the structure of the mounting hole of the present invention;

fig. 5 is a schematic view of the through hole structure of the present invention.

In the figure: 1 valve seat, 2 mounting flanges, 3 connecting seats, 4 valve covers, 5 valve rods, 6 fixing seats, 7 screws, 8 fixing plates, 9 hand wheels, 10 nuts, 11 mounting holes, 12 through holes, 13 fixing grooves, 14 clamping grooves, 15 connecting holes, 16 connecting rings, 17 clamping columns, 18 sealing cavities, 19 sealing fillers, 20 bearing rods and 21 handles.

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. 1-5, a control valve for prolonging the service life of a hand wheel comprises a valve seat 1, mounting flanges 2 are arranged at two ends of the valve seat 1, a valve rod 5 is arranged in the middle of an inner cavity of the valve seat 1, a connecting seat 3 is arranged in the middle of the top end of the valve seat 1, the top end of the connecting seat 3 is connected with a valve cover 4 through a connecting flange, sealing rings are arranged at the joints of the connecting seat 3, the valve cover 4 and the connecting flange, so that the sealing performance between the connecting seat 3 and the valve cover 4 is improved, one end of the valve rod 5 respectively penetrates through the connecting seat 3 and the valve cover 4 and extends to the outer side of the top of the valve cover 4, a fixed seat 6 is arranged on the surface of the valve rod 5 at the outer side of the top of the valve cover 4, a screw 7 is arranged at one side of the fixed seat, the internal surface of this mounting hole 11 is provided with the internal thread that meshes with 7 external screw threads of screw, increase the fastness that fixing base 6 and valve rod 5 are connected, make the connection of fixed plate 8 and valve rod 5 more firm simultaneously, and the top of fixing base 6 is provided with fixed plate 8, the top of fixed plate 8 is provided with hand wheel 9, valve rod 5 is provided with sealed chamber 18 with valve gap 4's junction, the inside of this sealed chamber 18 is provided with gland packing 19, the leakproofness between valve gap 4 and the valve rod 5 has been increased, valve rod 5 is provided with connecting hole 15 with the junction of fixed plate 8, valve rod 5 and hand wheel 9's being connected has been made things convenient for, this hand wheel 9 is fixed in the top of valve rod 5 through nut 10.

The top of the fixed plate 8 is provided with a fixed groove 13, the surface of the fixed plate 8 at one end of the fixed groove 13 is provided with a clamping groove 14, the hand wheel 9 is composed of a connecting ring 16, a connecting rod 20 and a handle 21, the size of the connecting ring 16 is matched with that of the fixed groove 13, the size of the clamping groove 14 is matched with that of a clamping column 17, connection of the connecting ring 16 and the clamping column 17 with the fixed plate 8 is facilitated, meanwhile, connection between the hand wheel 9 and the fixed plate 8 is firmer, the clamping column 17 is arranged around the outer side of the connecting ring 16, stability of the connecting ring 16 for driving the fixed plate 8 to rotate is improved, the connecting ring 16 is connected with the handle 21 through the connecting rod 20, connection is preferable, a sealing cavity 18 is arranged at the joint of the valve rod 5 and the valve cover 4, sealing filler 19 is arranged inside the sealing cavity 18, and a fixing seat 6, the fixing groove 13, the clamping groove 14, the connecting hole 15 and the clamping column 17 are matched with each other for use, so that the probability of wire sliding between the hand wheel 9 and the valve rod 5 is reduced, the operation performance of the hand wheel 9 on the valve rod 5 is improved, the service life of the hand wheel 9 is prolonged, material resources are saved, the economic cost is reduced, and the normal use of the valve is ensured.

During the use, handle 21 in the hand wheel 9 rotates adapting rod 20 and go-between 16 and rotates, and then drives valve rod 5 and fixed plate 8 and rotate, and fixed plate 8 drives fixing base 6 simultaneously and rotates, and then drives valve rod 5 and rotate, has reduced the pressure that hand wheel 9 directly drove valve rod 5, and when treating smooth silk appearing, hand wheel 9 rotates and leads to adapting rod 20 and drive go-between 16 and rotate, and go-between 16 leads to fixed slot 13, card post 17 and draw-in groove 14, drives fixed plate 8 and fixed base 6 and rotates and then drive valve rod 5 and rotate.

In summary, the following steps: the control valve for prolonging the service life of the hand wheel has the advantages that the fixing seat 6 is fixed on the valve rod 5 through the screw 7, so that the connection between the fixing seat 6 and the valve rod 5 is more stable and firm, a gap between the valve rod 5 and the valve cover 4 can be effectively avoided through the sealing cavity 18 and the sealing filler 19, after a sliding wire appears, the fixing plate 8 is driven to rotate through the rotation of the hand wheel 9, the fixing plate 8 drives the valve rod 5 to rotate, the rotating stability of the valve rod 5 can be effectively enhanced, the service life of the hand wheel 9 is prolonged, the hand wheel is clamped into the fixing groove 13 through the connecting ring 16, the clamping column 17 outside the connecting ring 16 is clamped into the clamping groove 14, the probability of the sliding wire between the hand wheel 9 and the valve rod 5 can be effectively reduced, the problem that the sliding wire phenomenon can occur under the condition of long-time use or strong force of the hand wheel 9, and, and further the normal use of the valve is influenced, so the hand wheel 9 can be replaced, the service life of the hand wheel 9 is shortened, meanwhile, the material resource is wasted, and the economic cost is increased.

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. The utility model provides an improve hand wheel life's control valve, includes disk seat (1), its characterized in that: the mounting flange is arranged at each of two ends of the valve seat (1), a valve rod (5) is arranged in the middle of an inner cavity of the valve seat (1), a connecting seat (3) is arranged in the middle of the top end of the valve seat (1), the top end of the connecting seat (3) is connected with the valve cover (4) through the connecting flange, one end of the valve rod (5) penetrates through the connecting seat (3) and the valve cover (4) respectively and extends to the outer side of the top of the valve cover (4), a fixing seat (6) is arranged on the surface of the valve rod (5) on the outer side of the top of the valve cover (4), a screw (7) is arranged on one side of the fixing seat (6), a fixing plate (8) is arranged on the top of the fixing seat (6), a hand wheel (9) is arranged on the top of the fixing;

the top of fixed plate (8) is provided with fixed slot (13), and fixed plate (8) surface of this fixed slot (13) one end is provided with draw-in groove (14), hand wheel (9) comprise go-between (16), accept pole (20) and handle (21), and the passing through of this go-between (16) accepts pole (20) to be connected with handle (21), and go-between (16) are located the top of fixed plate (8), and the side of go-between (16) is provided with card post (17).

2. The control valve for improving the service life of the hand wheel according to claim 1, wherein: a sealing cavity (18) is arranged at the joint of the valve rod (5) and the valve cover (4), a sealing filler (19) is arranged inside the sealing cavity (18), and a connecting hole (15) is arranged at the joint of the valve rod (5) and the fixing plate (8).

3. The control valve for improving the service life of the hand wheel according to claim 1, wherein: the size of the connecting ring (16) is matched with that of the fixing groove (13), the size of the clamping groove (14) is matched with that of the clamping column (17), and the clamping column (17) is arranged on the outer side of the connecting ring (16) in a surrounding mode.

4. The control valve for improving the service life of the hand wheel according to claim 1, wherein: the connecting part of the fixed seat (6) and the screw (7) is provided with a through hole (12) which is matched with the connecting part, the valve rod (5) and the through hole (12) are provided with corresponding mounting holes (11), and the inner surface of each mounting hole (11) is provided with an inner thread which is meshed with the outer thread of the screw (7).

5. The control valve for improving the service life of the hand wheel according to claim 1, wherein: and sealing rings are arranged at the joints of the connecting seat (3) and the valve cover (4) and the connecting flange.