CN113217638A

CN113217638A - Rotary multi-position flow regulating valve

Info

Publication number: CN113217638A
Application number: CN202110636669.XA
Authority: CN
Inventors: 廖锦农; 洪兆东
Original assignee: Xiamen Smk Valve Co ltd
Current assignee: Xiamen Smk Valve Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-08-06
Anticipated expiration: 2041-06-08
Also published as: CN113217638B

Abstract

The invention discloses a rotary multi-position flow regulating valve which comprises a valve body and a valve cover, wherein a partition plate is arranged inside the valve body, a circular groove is formed in the upper end face of the partition plate, two liquid through holes are symmetrically formed in the inner bottom wall of the circular groove, an installation cavity is formed in the upper end face of the valve cover, a sealing cover is fixed at an opening in the top of the installation cavity, a partition plate is arranged in the installation cavity, the bottom of the partition plate is connected with a flow limiting mechanism extending into the valve body, an operating rod is fixed at the upper part of the partition plate, the operating rod penetrates through the sealing cover upwards and is fixed with a hand wheel, a spring is sleeved on the operating rod, two ends of the spring respectively abut against the partition plate and the sealing cover, and an abutting disc positioned above the sealing cover is fixedly sleeved on the operating rod. The invention can realize the effect of multi-position flow regulation, further accurately control the flow change according to the requirement, and is convenient and fast to operate and high in use stability through rotary operation.

Description

Rotary multi-position flow regulating valve

Technical Field

The invention relates to the technical field of flow regulating valves, in particular to a rotary type multi-position flow regulating valve.

Background

The conventional flow control valve is usually a valve plate which is arranged in a pipeline and can continuously change the flow area of fluid to regulate the flow.

However, when the flow rate is adjusted, the valve plate needs to be adjusted accurately by turns frequently, so that the operation is very troublesome, and the adjustment result is easy to deviate from the required requirements.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a rotary multi-position flow regulating valve.

In order to achieve the purpose, the invention adopts the following technical scheme:

a rotary multi-position flow regulating valve comprises a valve body and a valve cover, wherein a partition plate is arranged inside the valve body, a circular groove is arranged on the upper end surface of the partition plate, two liquid through holes are symmetrically arranged on the inner bottom wall of the circular groove, the upper end surface of the valve cover is provided with an installation cavity, the top opening of the installation cavity is fixed with a sealing cover, the installation cavity is provided with a separation plate, the bottom of the isolation plate is connected with a flow limiting mechanism extending into the valve body, the upper part of the isolation plate is fixed with an operating rod, the operating rod upwards penetrates through the sealing cover and is fixed with a hand wheel, a spring is sleeved on the operating rod, two ends of the spring respectively abut against the isolation plate and the sealing cover, the hand wheel locking device is characterized in that a supporting disc located above the sealing cover is fixedly sleeved on the operating rod, two jacking mechanisms used for jacking the supporting disc are symmetrically arranged at the upper end of the sealing cover, and a locking mechanism used for locking the hand wheel is arranged at the upper end of the sealing cover.

Preferably, the flow limiting mechanism comprises a rotating rod fixedly connected to the bottom of the isolation plate, the lower end of the rotating rod penetrates through the valve cover to extend into the valve body and is fixedly provided with a flow limiting disc, and a plurality of groups of flow limiting holes corresponding to the liquid through holes are symmetrically formed in the flow limiting disc.

Preferably, the jacking mechanism comprises a U-shaped block fixedly connected to the upper end of the sealing cover, the inner side of the U-shaped block is rotatably connected with a jacking block, and the edge of the upper end face of the jacking block is fixedly connected with a shifting block.

Preferably, locking mechanism includes fixed block of fixed connection in the closing cap upper end, the fixed block upper end is rotated and is connected with the kelly, be connected with the extension spring on the kelly lateral wall, the one end that the kelly was kept away from to the extension spring is connected in the closing cap upper end, be equipped with the draw-in groove that corresponds with the kelly on the lateral wall of hand wheel.

Preferably, a sealing groove is formed in the inner bottom wall of the circular groove, and a sealing strip matched with the sealing groove is arranged on the lower disc surface of the flow limiting disc.

Preferably, the jacking surface of the jacking block is embedded with a ball.

Preferably, the valve cover is connected with the valve body through a connecting bolt.

Preferably, a liquid outlet pipe and a liquid inlet pipe which are integrally formed with the valve body are respectively arranged on two side walls of the valve body.

Preferably, the upper end face of the hand wheel is provided with marks corresponding to the positions of the flow limiting holes up and down.

The invention has the beneficial effects that:

through setting up current-limiting mechanism, the aperture of multiunit restricted orifice is multiple different specifications, through rotatory restricted flow dish, makes different restricted orifice and the cooperation of through-flow hole, can realize many flow control's effect, and then as required accurate control flow changes.

Through setting up spring, sealing strip, seal groove, inlay through the sealing strip and establish sealed in the seal groove, and then guarantee the leakproofness of restriction orifice and the circular slot contact when the restriction orifice of chooseing for use aligns the cooperation with the through-liquid hole, avoid appearing the weeping between restriction orifice and the circular slot and follow other restriction orifice seepage, and then more accurate control flow.

Through setting up jack-up mechanism, supporting the dish, when needing to adjust the flow, through stirring the shifting block for the kicking block erects and will support a set jack-up, drives the current-limiting dish of below and shifts up, and the rethread rotates the hand wheel, and the drive current-limiting dish rotates, and then carries out flow control.

Through setting up locking mechanism, exert pulling force through the extension spring to the kelly for the kelly block is fixed with the hand wheel locking in the draw-in groove, avoids the hand wheel not hard up and influences the stability of current limiting disc, and then guarantees the stability of using.

The invention can realize the effect of multi-position flow regulation, further accurately control the flow change according to the requirement, and is convenient and fast to operate and high in use stability through rotary operation.

Drawings

FIG. 1 is a schematic structural view of a rotary multi-position flow control valve according to the present invention;

FIG. 2 is a schematic structural diagram of a jacking mechanism of a rotary multi-position flow regulating valve according to the present invention;

FIG. 3 is a schematic structural view of a cover, a support disc, an operating lever, a hand wheel and a locking mechanism of the rotary multi-position flow regulating valve according to the present invention;

FIG. 4 is a schematic structural view of a flow-restricting disk, a flow-restricting hole and a sealing strip of a rotary multi-position flow regulating valve according to the present invention;

FIG. 5 is a schematic structural view of a partition plate, a circular groove, a liquid through hole and a sealing groove of the rotary multi-position flow regulating valve according to the present invention;

fig. 6 is a schematic structural diagram of a hand wheel, a clamping groove and a mark of the rotary multi-position flow regulating valve provided by the invention.

In the figure: the valve comprises a valve body 1, a liquid outlet pipe 2, a liquid inlet pipe 3, a partition plate 4, a circular groove 5, a flow limiting disc 6, a rotating rod 7, a valve cover 8, a connecting bolt 9, a mounting cavity 10, a partition plate 11, a spring 12, a sealing cover 13, a disc 14, an operating rod 15, a clamping rod 16, a hand wheel 17, a top block 18, a U-shaped block 19, a shifting block 20, a ball 21, a fixed block 22, a tension spring 23, a flow limiting hole 24, a sealing strip 25, a liquid through hole 26, a sealing groove 27, a clamping groove 28 and a mark 29.

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.

Referring to fig. 1-6, a rotary multi-position flow control valve comprises a valve body 1 and a valve cover 8, the valve cover 8 is connected with the valve body 1 through a connecting bolt 9, a partition plate 4 is arranged inside the valve body 1, the partition plate 4 divides the inside of the valve body 1 into an upper cavity and a lower cavity, two side walls of the valve body 1 are respectively provided with a liquid outlet pipe 2 and a liquid inlet pipe 3 which are integrally formed with the valve body, the two side walls are connected with an external pipeline through the liquid inlet pipe 3 and the liquid outlet pipe 2, liquid flows into the upper cavity of the valve body 1 through the liquid inlet pipe 3 and flows into the lower cavity of the valve body 1 through a flow limiting hole 24 and a liquid through hole 26, and then flows out through the liquid outlet pipe 2, the upper end surface of the partition plate 4 is provided with a circular groove 5, two liquid through holes 26 are symmetrically arranged on the inner bottom wall of the circular groove 5, the upper end surface of the valve cover 8 is provided with a mounting cavity 10, a sealing cover 13 is fixed on the top opening of the mounting cavity 10, the mounting cavity 10 is provided with a partition plate 11, the bottom of the partition plate 11 is connected with a flow limiting mechanism extending into the valve body 1, the flow limiting mechanism comprises a rotating rod 7 fixedly connected to the bottom of a partition plate 11, the lower end of the rotating rod 7 penetrates through a valve cover 8 and extends into a valve body 1, a flow limiting disc 6 is fixed, a plurality of groups of flow limiting holes 24 corresponding to liquid through holes 26 are symmetrically formed in the flow limiting disc 6, the apertures of the plurality of groups of flow limiting holes 24 are arranged from large to small, when the disc surface of the flow limiting disc 6, which is not provided with the flow limiting holes 24, is aligned with the liquid through holes 26, the liquid through holes 26 can be blocked, zero flow, namely the flow limiting disc 6 is in a closed state, a sealing groove 27 is formed in the inner bottom wall of a circular groove 5, a sealing strip 25 matched with the sealing groove 27 is arranged on the lower disc surface of the flow limiting disc 6, the sealing strip 25 is embedded and sealed in the sealing groove 27, the selected flow limiting hole 24 is ensured to be aligned and matched with the liquid through hole 26, the sealing performance that the flow limiting disc 6 is contacted with the circular groove 5 is ensured, and leakage of liquid leakage from other flow limiting holes 24 between the flow limiting disc 6 and the circular groove 5 is avoided, and then more accurate control flow, the up end of hand wheel 17 is equipped with the mark 29 that corresponds about with the restricted aperture 24 position, can select for use required restricted aperture 24 through the mark 29 of referring to the outside, division board 11 upper portion is fixed with action bars 15, action bars 15 upwards run through closing cap 13 and be fixed with hand wheel 17, the cover is equipped with spring 12 on the action bars 15, the both ends of spring 12 respectively with division board 11, closing cap 13 offset, fixed cover is connected with the dish 14 that supports that is located closing cap 13 top on the action bars 15, closing cap 13 upper end symmetry is equipped with two jack-up mechanisms that are used for jack-up to support dish 14, closing cap 13 upper end is equipped with the locking mechanism who is used for locking hand wheel 17.

In the invention, the jacking mechanism comprises a U-shaped block 19 fixedly connected to the upper end of a sealing cover 13, the inner side of the U-shaped block 19 is rotatably connected with a jacking block 18, the edge of the upper end face of the jacking block 18 is fixedly connected with a shifting block 20, the jacking block 18 is in a long strip structure, the end part of the jacking block is subjected to fillet treatment, a rotating shaft penetrates through the concrete jacking block 18, the jacking block 18 is rotatably connected with the rotating shaft, two ends of the rotating shaft are fixedly connected to the inner side wall of the U-shaped block 19, because the jacking block 18 is in the long strip structure, when the jacking block 18 is laid flat, the jacking block 18 does not jack the jacking disc 14 upwards, at the moment, the current-limiting disc 6 is under the elastic action of a spring 12, the current-limiting disc 6 is stably clamped in the circular groove 5, the stability of liquid flowing through the current-limiting hole 24 and the liquid-flowing hole 26 is further ensured, the stability of flow control is further ensured, the jacking block 18 is rotated to a vertical state by shifting the shifting block 20, so that the jacking block 18 is erected, and jacks the jacking disc 14, drive action bars 15 and shift up, upwards stimulate bull stick 7 through action bars 15, can drive the restricted flow dish 6 of below and move up, can carry out the rotation operation to restricted flow dish 6, rethread rotates hand wheel 17, drive action bars 15, bull stick 7 rotates, drive restricted flow dish 6 rotates, and then carry out flow control, make the restricted flow hole 24 that needs aim at through-flow hole 26, accomplish the regulation, it is equipped with ball 21 to inlay on the jack-up face of kicking block 18, when kicking block 18 will support set 14 upwards when jacking, through ball 21 and support set 14 contact, ball 21 freely rolls, and then reduce the resistance when supporting set 14 and rotating, conveniently rotate action bars 15 through hand wheel 17 and accomplish the operation, make the operation more laborsaving convenient.

Specifically, locking mechanism includes fixed block 22 of fixed connection in the upper end of closing cap 13, the fixed block 22 upper end is rotated and is connected with kelly 16, be connected with extension spring 23 on the kelly 16 lateral wall, the one end that kelly 16 was kept away from to extension spring 23 is connected in the upper end of closing cap 13, be equipped with the draw-in groove 28 that corresponds with kelly 16 on the lateral wall of hand wheel 17, kelly 16 rotates and connects in the fixed block 22 upper end, when extension spring 23 applyed the pulling force to kelly 16, make kelly 16 slope and block in the draw-in groove 28 on hand wheel 17, it is fixed to lock hand wheel 17, avoid hand wheel 17 not hard up and influence the stability of current-limiting disc 6, and then guarantee the stability of using, and when hand wheel 17 is rotated in needs operation, through rotating kelly 16, make kelly 16 shift out draw-in groove 28, and pull fixedly to kelly 16 through extension spring 23, can operate hand wheel 17.

When the flow limiting device is used, the liquid inlet pipe 3 and the liquid outlet pipe 2 are connected with an external pipeline, liquid circulates through the flow limiting hole 24 and the liquid through hole 26, when the flow is required to be adjusted, the clamping rod 16 is shifted out of the inner side of the clamping groove 28 by shifting the shifting block 20, the jacking block 18 is erected to jack the supporting disc 14, the flow limiting disc 6 below is driven to move upwards, then the hand wheel 17 is rotated by referring to the mark 29, the flow limiting disc 6 is driven to rotate, the required mark 29 is aligned with the clamping rod 16, then the shifting block 20 is shifted, the jacking block 18 is horizontally reset, the flow limiting disc 6 moves downwards and is clamped in the circular groove 5 again, the required flow limiting hole 24 is aligned with the liquid through hole 26, and the flow adjustment is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a many flow control valves of rotation type, includes valve body (1) and valve gap (8), its characterized in that, the inside of valve body (1) is equipped with division board (4), circular slot (5) have been seted up to division board (4) up end, the symmetry is equipped with two through liquid hole (26) on the interior diapire of circular slot (5), the up end of valve gap (8) is equipped with installation cavity (10), installation cavity (10) open-top is fixed with closing cap (13), installation cavity (10) are equipped with division board (11), the bottom of division board (11) is connected with the current-limiting mechanism who extends to valve body (1) in, division board (11) upper portion is fixed with action bars (15), action bars (15) upwards run through closing cap (13) and are fixed with hand wheel (17), the cover is equipped with spring (12) on action bars (15), the both ends of spring (12) respectively with closing plate (11), Closing cap (13) offset, fixed cover has been gone up in action bars (15) and has been connect to be located closing cap (13) top to dish (14), closing cap (13) upper end symmetry is equipped with two jack-up mechanisms that are used for jack-up to dish (14), closing cap (13) upper end is equipped with the locking mechanism who is used for locking hand wheel (17).

2. A rotary multi-position flow regulating valve according to claim 1, wherein the flow limiting mechanism comprises a rotary rod (7) fixedly connected to the bottom of the isolating plate (11), the lower end of the rotary rod (7) extends into the valve body (1) through the valve cover (8) and is fixed with a flow limiting disc (6), and a plurality of groups of flow limiting holes (24) corresponding to the liquid through holes (26) are symmetrically formed in the flow limiting disc (6).

3. A rotary multi-position flow regulating valve according to claim 1, wherein said jacking mechanism comprises a U-shaped block (19) fixedly connected to the upper end of the cover (13), a jacking block (18) is rotatably connected to the inner side of the U-shaped block (19), and a shifting block (20) is fixedly connected to the edge of the upper end face of the jacking block (18).

4. The rotary multi-position flow regulating valve according to claim 1, wherein the locking mechanism comprises a fixing block (22) fixedly connected to the upper end of the sealing cover (13), a clamping rod (16) is rotatably connected to the upper end of the fixing block (22), a tension spring (23) is connected to the side wall of the clamping rod (16), one end, far away from the clamping rod (16), of the tension spring (23) is connected to the upper end of the sealing cover (13), and a clamping groove (28) corresponding to the clamping rod (16) is formed in the side wall of the hand wheel (17).

5. A rotary multi-position flow regulating valve according to claim 2, wherein a sealing groove (27) is provided on the inner bottom wall of the circular groove (5), and a sealing strip (25) adapted to the sealing groove (27) is provided on the lower disc surface of the flow limiting disc (6).

6. A rotary multi-position flow regulating valve according to claim 3, wherein said jacking face of said jacking block (18) is fitted with a ball (21).

7. A rotary multi-position flow regulating valve according to claim 1, characterized in that said valve cover (8) is connected to the valve body (1) by means of a connecting bolt (9).

8. A rotary multi-position flow regulating valve according to claim 1, wherein the two side walls of said valve body (1) are respectively provided with a liquid outlet pipe (2) and a liquid inlet pipe (3) which are integrally formed therewith.

9. A rotary multi-position flow regulating valve according to claim 2, wherein the upper end face of the hand wheel (17) is provided with markings (29) corresponding up and down to the position of the restrictor orifice (24).