CN109654231B

CN109654231B - Protective device for valve

Info

Publication number: CN109654231B
Application number: CN201811369748.3A
Authority: CN
Inventors: 费龙庚
Original assignee: Zhenjiang Sanlian Pump Machinery Complete Equipment Co Ltd
Current assignee: Jiangsu chuanrun complete equipment Co.,Ltd.
Priority date: 2018-11-17
Filing date: 2018-11-17
Publication date: 2020-02-04
Anticipated expiration: 2038-11-17
Also published as: CN109654231A

Abstract

The invention discloses a protection device for a valve, which comprises a valve body, a protection shell, a partition plate, a shell, a sealing ring, a vertical shaft, a clamping groove, a sealing plug, a first spring, a valve clack, a second spring, a rotating rod, a sleeve, a fixing shaft, a sleeve shaft, a knob, a fixing plate, a clamping rod, a limiting plate and a bearing. The protection device for the valve is simple in structure and convenient to operate, the valve is prevented from being exposed in the air all the time through the protection of the protection shell, the long-time use of the valve is facilitated, the reduction of the service life caused by the corrosion of the valve is avoided, and the valve in the protection shell is facilitated to be corroded by the air through the sealing of the sleeve on the side end of the protection shell; this a protection device for valve is favorable to the switching of valve through rotating the dwang to through rotating the removal that the knob drove the kelly, be favorable to fixing the vertical axis, avoid causing because of careless maloperation that leads to the valve of colliding with, effectively avoid causing the loss, improved the security performance of valve.

Description

Protective device for valve

Technical Field

The invention relates to a protection device, in particular to a protection device for a valve, and belongs to the technical field of valve application.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium, according to its function, it can be divided into shutoff valve, check valve and regulating valve, the valve is a control component in fluid conveying system, and possesses the functions of stopping, regulating and guiding, preventing counter-flow, stabilizing pressure, shunting or overflow and relieving pressure, valves used in fluid control systems, from the simplest shut-off valves to the various valves used in extremely complex autonomous systems, the valves are classified into cast iron valves, cast steel valves, stainless steel valves, chromium molybdenum vanadium steel valves, duplex steel valves, plastic valves, nonstandard valves and the like according to the materials.

The valve on the market at present is in the fluid system, the apparatus used for controlling direction, pressure, flowrate of the fluid, it is the apparatus that makes the medium in the piping and apparatus flow or stop and can control its flowrate, there are rotary type and spanner type two usually, however, as to the valve of spanner type, when not using, can be because of the mistake operation that the careless collision causes, cause the valve to open and close abnormally, cause the unnecessary loss; and the long-term use of the valve may cause corrosion of the valve, resulting in a reduction in the service life of the valve. Therefore, a protection device for a valve is proposed to address the above problems.

Disclosure of Invention

The present invention is directed to solving the above problems by providing a protective device for a valve.

The protection device for the valve comprises a protection shell, a protection mechanism and a limiting mechanism, wherein the protection shell is arranged at the top end of a valve body;

the protection mechanism comprises a valve body, a protection shell, a sealing ring, a vertical shaft, a sealing plug, a first spring and a valve clack, wherein the top end of the valve body is fixedly connected with the shell, the inside of the shell is fixedly connected with the sealing ring, the middle part of the sealing ring is penetrated and hermetically connected with the vertical shaft, two clamping grooves are formed in one side of the top end of the vertical shaft, the side wall of the bottom end of the vertical shaft is slidably connected with the sealing plug, and the bottom end of the sealing plug is connected with the valve clack;

the limiting mechanism comprises a second spring, a rotating rod, a sleeve, a fixed shaft, a sleeve shaft, a knob and a fixed plate, the top end of the shell is fixedly connected with the end part of the rotating rod through the second spring, the rotating rod penetrates through the side wall of the protective shell and extends to the outside, the rotating rod is rotatably connected with the joint of the protective shell, the rotating rod is sleeved with the sleeve, the end part of the sleeve is fixedly connected with the fixed shaft, the fixed shaft is rotatably connected with the inside of the sleeve shaft, the sleeve shaft is fixedly connected with the end part of the knob, the top end of the sleeve is fixedly connected with the fixed plate, the inside of a groove formed in the middle of the top end of the fixed plate is slidably connected with a clamping rod, the clamping rod is fixedly connected with a limiting plate, the end part of the clamping rod is rotatably connected with the inside of a bearing, and a circular opening used for rotating, and sleeve pipe (13) on dwang (12) is the same with circular open-ended size, inside and kelly (18) sliding connection of bearing (20), just the tip and the inside joint of draw-in groove (7) of kelly (18).

Preferably, the number of the partition plates is two, the two partition plates are fixedly connected with the top end and the bottom end inside the valve body respectively, the two partition plates are fixedly connected with the connecting plate, and the middle part of the connecting plate is provided with a through hole with the same size as the valve clack.

Preferably, the vertical shaft penetrates through the protective shell, the sealing ring, the sealing plug and the valve body respectively and extends to the inside of the valve body, the sealing plug is arranged at the joint of the valve body and the vertical shaft, and the middle part of the vertical shaft is rotatably connected with the rotating rod.

Preferably, the top end of the protective shell is fixedly connected with the bearing.

Preferably, the number of the limiting plates is two, the two limiting plates are respectively positioned at two sides of the fixing plate, and the clamping rod between the two limiting plates is in sliding connection with the groove in the middle of the top end of the fixing plate.

Preferably, sleeve pipe, fixed axle and knob are run through respectively to the dwang, knob and dwang surface threaded connection, sleeve pipe and fixed axle all with dwang sliding connection, the L shape is personally submitted in the transversal of the cover axle of knob tip, just the cover axle is inside to be connected with the fixed axle rotation.

The invention has the beneficial effects that:

1. this a protection device for valve's simple structure, convenient operation through the protection of protective housing, avoids the valve to expose in the air always, is favorable to the long-time use of valve, avoids causing life's reduction because of the valve corrodes, and through the sealed of sleeve pipe to the protective housing side, is favorable to the valve of protective housing inside to be corroded by the air.

2. This a protection device for valve is favorable to the switching of valve through rotating the dwang to through rotating the removal that the knob drove the kelly, be favorable to fixing the vertical axis, avoid causing because of careless maloperation that leads to the valve of colliding with, effectively avoid causing the loss, improved the security performance of valve.

Drawings

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

FIG. 2 is a schematic diagram of the external side view of the present invention;

FIG. 3 is a schematic diagram of the internal side view of the present invention;

FIG. 4 is a schematic view of a portion of the structure shown in FIG. 1.

In the figure: 1. the valve comprises a valve body, 2, a protective shell, 3, a partition plate, 4, a shell, 5, a sealing ring, 6, a vertical shaft, 7, a clamping groove, 8, a sealing plug, 9, a first spring, 10, a valve clack, 11, a second spring, 12, a rotating rod, 13, a sleeve, 14, a fixed shaft, 15, a sleeve shaft, 16, a knob, 17, a fixed plate, 18, a clamping rod, 19, a limiting plate, 20 and a bearing.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a protection device for a valve includes a protection housing 2 installed at the top end of a valve body 1, a protection mechanism and a limit mechanism, wherein the inside of the valve body 1 is fixedly connected with a partition plate 3;

the protection mechanism comprises a valve body 1, a protection shell 2, a shell 4, a sealing ring 5, a vertical shaft 6, a sealing plug 8, a first spring 9 and a valve clack 10, wherein the top end of the valve body 1 is fixedly connected with the shell 4, the interior of the shell 4 is fixedly connected with the sealing ring 5 and used for improving the sealing performance of the valve, the middle part of the sealing ring 5 is penetrated through and hermetically connected with the vertical shaft 6, two clamping grooves 7 are formed in one side of the top end of the vertical shaft 6 and used for clamping a clamping rod 18 to fix the vertical shaft 6, the side wall of the bottom end of the vertical shaft 6 is slidably connected with the sealing plug 8, and the bottom end of the sealing plug 8 is connected with the;

the limiting mechanism comprises a second spring 11, a rotating rod 12, a sleeve 13, a fixed shaft 14, a sleeve shaft 15, a knob 16 and a fixed plate 17, the top end of the shell 4 is fixedly connected with the end part of a rotating rod 12 through a second spring 11, the rotating rod 12 penetrates through the side wall of the protective shell 2 and extends to the outside, the connecting part of the rotating rod 12 and the protective shell 2 is rotatably connected, the opening and closing of the valve are controlled by rotating the rotating rod 12, the rotating rod 12 is sleeved with the sleeve 13, the end of the sleeve 13 is fixedly connected with a fixed shaft 14, the fixed shaft 14 is rotatably connected with the inside of a sleeve shaft 15, the sleeve shaft 15 is fixedly connected with the end part of the knob 16, the top end of the sleeve 13 is fixedly connected with the fixing plate 17, the inside recess that fixed plate 17 top middle part was seted up with kelly 18 sliding connection, kelly 18 and limiting plate 19 fixed connection, just the inside through connection of the tip of kelly 18 and bearing 20.

The valve comprises a valve body 1, a valve clack 10 and a plurality of baffle plates 3, wherein the valve body 1 is provided with a valve core, the valve core is provided with a valve core hole 10, the valve core hole 10 is provided with a through hole, the valve core hole is provided with a through hole, the through hole; the vertical shaft 6 penetrates through the protective shell 2, the shell 4, the sealing ring 5, the sealing plug 8 and the valve body 1 respectively and extends into the valve body 1, the sealing plug 8 is arranged at the joint of the valve body 1 and the vertical shaft 6, the middle part of the vertical shaft 6 is rotatably connected with the rotating rod 12, the valve clack 10 is conveniently driven to move, and the vertical shaft 6 is driven to vertically move by the rotation of the rotating rod 12; a circular opening used for rotating the rotating rod 12 is formed in the connecting position of the rotating rod 12 and the protective shell 2, and the size of the sleeve 13 on the rotating rod 12 is the same as that of the circular opening, so that the circular opening can be conveniently blocked after the sleeve 13 moves, the sealing in the protective shell 2 is facilitated, the air corrosion is avoided, and the service life is prolonged; the top end of the protective shell 2 is fixedly connected with a bearing 20, the inside of the bearing 20 is connected with a clamping rod 18 in a sliding mode, and the end portion of the clamping rod 18 is clamped with the inside of the clamping groove 7, so that the clamping rod 20 can move conveniently, and the vertical shaft 6 can be limited conveniently; the number of the limiting plates 19 is two, the two limiting plates 19 are respectively located at two sides of the fixing plate 17, the clamping rod 18 between the two limiting plates 19 is in sliding connection with the groove in the middle of the top end of the fixing plate 17, so that the clamping rod 18 is pushed to move through the limiting plates 19 conveniently, and the groove in the middle of the fixing plate 17 is beneficial for the fixing plate 17 and the rotating rod 12 to rotate simultaneously; the dwang 12 runs through sleeve pipe 13, fixed axle 14 and knob 16 respectively, knob 16 and dwang 12 surface threaded connection, sleeve pipe 13 and fixed axle 14 all with dwang 12 sliding connection, the transversal L shape of personally submitting of the cover axle 15 of 16 tip of knob, just the cover axle 15 is inside to be connected with the fixed axle 14 rotation, and the knob 16 of being convenient for drives sleeve pipe 13 and removes, and then drives card pole 18 and remove, and the removal through sleeve pipe 13 is favorable to the inside sealed of protective housing 2.

When the valve is used, liquid flows to the other end through one end of the valve body 1 after passing through the partition plate 3, the rotating rod 12 is rotated to enable the rotating rod 12 to rotate around the connection part of the rotating rod 12 and the protective shell 2, the rotating rod 12 and the vertical shaft 6 rotate mutually, the rotating rod 12 rotates to drive the vertical shaft 6 to vertically move, after the second spring 11 is stretched, the vertical shaft 6 drives the valve clack 10 to ascend, the valve clack 10 is separated from the partition plate 3, the valve is opened, after the first spring 9 is compressed by the movement of the valve clack 10, the sealing plug 8 is pushed to be tightly attached to the top end of the interior of the valve body 1, the sealing performance is improved, and through the design of the sealing ring 5 in the shell 4, the sealing performance of the valve is effectively improved, and the;

after the valve is opened, the clamping groove 7 at the top end of the vertical shaft 6 is parallel to the clamping rod 18, the sleeve shaft 15 is driven to rotate simultaneously by rotating the knob 16, the sleeve shaft 15 is driven to move transversely simultaneously after the knob 16 rotates on the rotating rod 12, the fixed shaft 14 and the sleeve 13 are further pushed to slide on the rotating rod 12 simultaneously, the sleeve 13 blocks a circular opening at the joint of the protective shell 2 and the rotating rod 12, corrosion caused by air entering the valve is effectively avoided, the sleeve 13 moves to drive the fixed plate 17 to move simultaneously, due to the design of the two limiting plates 19, the clamping rod 18 is driven to move simultaneously by the movement of the fixed plate 17, after the clamping rod 18 slides in the bearing 20, the end part of the clamping rod 18 is clamped into the clamping groove 7, the vertical shaft 6 is limited, misoperation of the valve caused by accidental touch of the rotating rod 12 is avoided, and safety performance is improved;

when the valve needs to be closed, through the counter-rotation knob 16, make kelly 18 and draw-in groove 7 separate, through counter-rotation dwang 12, because of the design of the recess at fixed plate 17 top middle part, dwang 12 drives the rotation that does not influence fixed plate 17 when rotating, make behind the compression of second spring 11, drive vertical axis 6 vertical movement, and then drive the valve clack 10 and plug up the through-hole between baffle 3, and then close the valve, receive the elastic potential energy of first spring 9, promote sealing plug 8 and plug up the inside top of valve body 1 all the time.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A protective device for a valve, comprising: the valve comprises a protective shell (2) arranged at the top end of a valve body (1), a protection mechanism and a limiting mechanism, wherein the inside of the valve body (1) is fixedly connected with a partition plate (3);

the protection mechanism comprises a valve body (1), a protection shell (2), a shell (4), a sealing ring (5), a vertical shaft (6), a sealing plug (8), a first spring (9) and a valve clack (10), wherein the top end of the valve body (1) is fixedly connected with the shell (4), the interior of the shell (4) is fixedly connected with the sealing ring (5), the middle part of the sealing ring (5) is penetrated and hermetically connected with the vertical shaft (6), two clamping grooves (7) are formed in one side of the top end of the vertical shaft (6), the side wall of the bottom end of the vertical shaft (6) is slidably connected with the sealing plug (8), and the bottom end of the sealing plug (8) is connected with the valve clack (10) through the first spring (9);

stop gear includes second spring (11), dwang (12), sleeve pipe (13), fixed axle (14), sleeve shaft (15), knob (16) and fixed plate (17), casing (4) top is through second spring (11) and dwang (12) tip fixed connection, dwang (12) run through the lateral wall of protective housing (2) and extend to the outside, just dwang (12) rotate with protective housing (2) junction and be connected, cup joint with sleeve pipe (13) on dwang (12), sleeve pipe (13) tip and fixed axle (14) fixed connection, fixed axle (14) are connected with the inside rotation of sleeve shaft (15), just the tip fixed connection of sleeve shaft (15) and knob (16), sleeve pipe (13) top and fixed plate (17) fixed connection, the inside and card pole (18) sliding connection of recess that fixed plate (17) top middle part was seted up, kelly (18) and limiting plate (19) fixed connection, just the tip of kelly (18) and the inside through connection of bearing (20), dwang (12) and protective housing (2) junction offer and are used for dwang (12) pivoted circular opening, just sleeve pipe (13) on dwang (12) are the same with circular open-ended size, bearing (20) inside and kelly (18) sliding connection, just the tip and the inside joint of draw-in groove (7) of kelly (18).

2. A protective device for a valve according to claim 1, wherein: the valve is characterized in that the number of the partition plates (3) is two, the partition plates (3) are fixedly connected with the top end and the bottom end inside the valve body (1) respectively, the two partition plates (3) are fixedly connected with the connecting plate, and through holes with the same size as the valve clack (10) are formed in the middle of the connecting plate.

3. A protective device for a valve according to claim 1, wherein: vertical shaft (6) run through protective housing (2), casing (4), sealing washer (5), sealing plug (8) and valve body (1) respectively and extend to the inside of valve body (1), sealing plug (8) set up in the junction of valve body (1) and vertical shaft (6), just vertical shaft (6) middle part is rotated with dwang (12) and is connected.

4. A protective device for a valve according to claim 1, wherein: the top end of the protective shell (2) is fixedly connected with the bearing (20).

5. A protective device for a valve according to claim 1, wherein: the number of the limiting plates (19) is two, the two limiting plates (19) are respectively located on two sides of the fixing plate (17), and the clamping rod (18) between the two limiting plates (19) is in sliding connection with the groove in the middle of the top end of the fixing plate (17).

6. A protective device for a valve according to claim 1, wherein: dwang (12) run through sleeve pipe (13), fixed axle (14) and knob (16) respectively, knob (16) and dwang (12) surface threaded connection, sleeve pipe (13) and fixed axle (14) all with dwang (12) sliding connection, the L shape is personally submitted in the transversal of sleeve axle (15) of knob (16) tip, just sleeve axle (15) inside is rotated with fixed axle (14) and is connected.