CN212804506U

CN212804506U - Novel SAHL area locking handle

Info

Publication number: CN212804506U
Application number: CN202021097971.XU
Authority: CN
Inventors: 萧震; 舒嘉园
Original assignee: Gemu Valve China Co ltd
Current assignee: Gemu Valve China Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-03-26
Anticipated expiration: 2030-06-15

Abstract

The utility model provides a novel SAHL takes locking handle, including the fixed mounting on the butterfly valve body and the stop calibrated scale that is run through by the valve shaft of butterfly valve body, and the handle that the front end and the valve shaft of butterfly valve body are fixedly connected, the spiral runs through has locking screw on the handle, the upper end of locking screw exposes outside the handle and fixedly connected with the turning handle, the fixed cover of the lower extreme of locking screw is equipped with the compression sleeve; when the rotating handle is positioned right above the handle in a rotating mode, the locking screw is screwed in the handle, the pressing sleeve is pressed on the stop dial, and the handle is locked; the handle is also provided with a locking mechanism for preventing the rotating handle from being operated by mistake. The utility model has the advantages that: the opening degree of the butterfly valve can be adjusted to any position of 0-90 degrees, and misoperation of the rotating handle and the handle can be effectively prevented.

Description

Novel SAHL area locking handle

Technical Field

The utility model relates to butterfly valve technical field especially involves a novel SAHL area locking handle.

Background

The butterfly valve is a valve which uses a circular butterfly plate as an opening and closing piece and rotates along with a valve shaft to open, close and regulate the flow of a fluid passage. The manual butterfly valve has the advantages of simple structure, small volume, light weight, material consumption saving, small installation size, small driving moment, simple and quick operation, good flow regulation function and sealing closing characteristic, and is an optimal device for regulating flow and cutting off fluid in food, medicine, petrochemical industry, industrial environment, high-rise buildings and pipelines. The valve plate opening degree and the flow rate of the butterfly valve are basically in a linear proportional relation, and in order to adjust the flow rate, a handle adjusting mechanism is needed to stop the butterfly plate at a proper position.

The existing manual butterfly valve adjusting handle mainly comprises a handle body and a stop dial, wherein the stop dial is sleeved with a valve shaft and is fixedly arranged on a valve body, and a plurality of tooth grooves are formed in the rear edge of a disc surface; the handle body comprises a straight rod type main handle and a hook-shaped auxiliary handle positioned at the lower part of the main handle, the top of the hook of the auxiliary handle is hinged with the main handle through a pin, the end part of the front arm of the auxiliary handle is provided with a clamping point, the rear arm is connected with the main handle through a locking spring, the clamping point at the end part of the front arm is clamped into the tooth socket of the stop dial under the action of elastic force, the front end of the main handle is provided with a limiting plate with an arc-shaped limiting hole, the limiting plate of the main handle is sleeved with a limiting column through the arc-shaped limiting hole and pressed on the stop dial, and the. When the opening of the valve plate is adjusted, the main handle is held by hand to pinch the auxiliary handle, the spring is compressed to enable the end part of the front arm of the auxiliary handle to move downwards, the clamping point is separated from the tooth space, the main handle and the auxiliary handle are released, the main handle is rotated to enable the valve shaft to drive the valve plate to rotate, the auxiliary handle is released after the valve plate is adjusted to a proper angle, the end of the front arm of the auxiliary handle is lifted upwards to reset under the action of the elastic force of the spring, and the clamping point is inserted into the tooth space again to.

The main defects of the existing manual butterfly valve are as follows: the stop dial is generally divided into 10 tooth grooves at 0-90 degrees, the opening angle of the butterfly valve can be only 0 degree, 10 degrees and 20-90 degrees, the butterfly valve can be locked at every 10 degrees, and the butterfly valve can be locked at any opening angle under various working conditions, so that the traditional handle cannot meet the use requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a novel SAHL with a locking handle.

The utility model discloses a realize through following technical scheme:

the utility model provides a novel SAHL area locking handle, which comprises a stop dial fixedly arranged on a butterfly valve body and penetrated through by a valve shaft of the butterfly valve body, and a handle with the front end fixedly connected with the valve shaft of the butterfly valve body, wherein a locking screw is spirally penetrated through the handle, the upper end of the locking screw is exposed outside the handle and fixedly connected with a rotating handle, and the lower end of the locking screw is fixedly sleeved with a pressing sleeve; when the rotating handle is positioned right above the handle in a rotating mode, the locking screw is screwed in the handle, the pressing sleeve is pressed on the stop dial, and the handle is locked; the handle is also provided with a locking mechanism for preventing the rotating handle from being operated by mistake.

Preferably, the handle is provided with a through hole corresponding to the dial face of the stop dial, the upper part of the through hole is an internal thread hole part in spiral fit with the external thread part of the locking screw, and the lower part of the through hole is a sliding hole part in sliding fit with the pressing sleeve.

Preferably, the length of the external thread part of the locking screw is greater than the depth of the internal thread hole part, and the length of the pressing sleeve is less than the depth of the sliding hole part.

Preferably, the locking mechanism comprises a hollow chamber arranged inside the handle, a rotating rod rotatably connected in the hollow chamber, a locking rod with one end hinged with one end of the rotating rod and the other end extending out from the upper end of the handle, and a pressing rod with one end hinged with the other end of the rotating rod and the other end extending out from the lower end of the handle; one end of the pressing rod, which is hinged with the rotating rod, is positioned in the hollow cavity and is fixedly connected with the inner wall of the upper end of the hollow cavity through a spring; when the spring is in a natural telescopic state and the rotating handle is positioned right above the handle in a rotating mode, one end, extending out from the upper end of the handle, of the locking rod is inserted into the rotating handle, and the rotating handle is locked; the bottom of the rotating handle is provided with an insertion hole for inserting one end of the locking rod extending out, and the insertion hole is a blind hole.

Preferably, the handle upper end is provided with a locking rod penetrating hole for the locking rod to extend out, the handle lower end is provided with a pressing rod penetrating hole for the pressing rod to extend out, and the locking rod penetrating hole and the pressing rod penetrating hole are communicated with the hollow cavity.

Preferably, be equipped with the fixed axle in the middle of in the cavity intracavity, the shaft hole has been seted up between two parties to the dwang, the dwang passes through the shaft hole rotates to be connected on the fixed axle.

Preferably, a pressing plate is fixedly arranged at one end of the pressing rod extending out from the lower end of the handle.

Preferably, the locking rod and the pressing rod are respectively hinged with the rotating rod through a hinge shaft.

In the embodiment, the handle drives the valve shaft of the butterfly valve to rotate, the opening degree of the butterfly valve can be adjusted to any position of 0-90 degrees, the locking screw is screwed through the rotating handle, the pressing sleeve sleeved at the lower end of the locking screw is pressed on the stop dial, the handle is locked, the rotating handle can be locked on the handle through the arranged locking mechanism, the rotating handle is locked on the basis of locking the handle, and the pressing rod of the locking mechanism is hidden at the bottom of the handle and is not easy to find, so that misoperation of the rotating handle and the handle can be effectively prevented.

Drawings

Fig. 1 is a schematic top view of a novel SAHL band locking handle according to an embodiment of the present invention;

fig. 2 is a schematic side view of a cross-sectional structure of a locking handle of the SAHL device according to an embodiment of the present invention;

fig. 3 is a schematic side sectional view of the locking mechanism provided in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to facilitate understanding of the novel SAHL band locking handle provided by the embodiments of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, fig. 1 is a schematic top view of a novel SAHL locking handle according to an embodiment of the present invention, and fig. 2 is a schematic side view of a cross-sectional structure of a novel SAHL locking handle according to an embodiment of the present invention.

As shown in fig. 1 and 2, the new SAHL locking handle comprises a stop dial 1 fixedly mounted on the butterfly valve body and penetrated by the valve shaft of the butterfly valve body, and a handle 2 fixedly connected with the valve shaft of the butterfly valve body at the front end. The stop dial 1 is specifically to set up the through-hole in the centre, runs through this through-hole by the valve shaft of butterfly valve body between two parties, and 2 front end bottoms of handle set up with the spacing hole of the valve shaft shape and the size looks adaptation of butterfly valve body to through the valve shaft fixed connection of connecting screw and butterfly valve body, can drive the valve shaft rotation of butterfly valve body through handle 2, in order to open or close the butterfly valve.

In order to realize butterfly valve locking handle 2 when opening angle wantonly to satisfy the user demand of more operating modes, the spiral is run through on handle 2 has a locking screw 4, and this locking screw 4 is vertical to be run through on handle 2. The upper end of the locking screw 4 is exposed outside the handle 2 and is fixedly connected with a rotating handle 3, a pressing sleeve 5 is fixedly sleeved at the lower end of the locking screw 4, and the pressing sleeve 5 is fixedly welded at the lower end of the locking screw 4. When the rotating handle 3 is rotated to be positioned right above the handle 2, the locking screw 4 is screwed in the handle 2, the pressing sleeve 5 is pressed on the stop dial 1, and the handle 2 is locked.

In this embodiment, the handle 2 is provided with a through hole corresponding to the dial surface of the stop dial 1, the upper portion of the through hole is an internal thread hole portion spirally engaged with the external thread portion of the locking screw 4, and the lower portion of the through hole is a sliding hole portion slidably engaged with the pressing sleeve 5. The length of the external thread part of the locking screw 4 is larger than the depth of the internal thread hole part, and the length of the pressing sleeve 5 is smaller than the depth of the sliding hole part. In addition, the surface of the stop dial 1 is wrapped with a high-wear-resistance alloy layer with the thickness of 2mm-3mm, the high-wear-resistance alloy adopted by the high-wear-resistance alloy layer is cobalt-chromium-tungsten hard alloy, so that the wear resistance of the stop dial 1 can be increased, and the service life of the stop dial 1 is effectively prolonged; the pressing sleeve 5 is made of high-chromium alloy and ceramic particles, so that the abrasion resistance and the friction performance of the pressing sleeve 5 are improved, and when the stopping dial 1 is pressed by the pressing sleeve 5, the handle 2 is locked firmly.

With continuing reference to fig. 1 and 2 in combination with fig. 3, fig. 3 is a schematic side view cross-sectional structure diagram of a locking mechanism arranged on the basis of fig. 2, that is, a locking mechanism for preventing the rotation handle 3 from being operated by mistake is further arranged on the handle 2, when the butterfly valve is used, the butterfly valve can be opened to a proper opening size through the handle 2 after the locking screw 4 is driven to be loosened by the rotation handle 3, then the butterfly valve is driven to be screwed by the locking screw 4 through the rotation handle 3, when the locking screw 4 is screwed, the rotation handle 3 is rotated and positioned right above the handle 2, at this time, the pressing sleeve 5 is pressed on the stop dial 1, the handle 2 is locked, meanwhile, the rotation handle 3 can be locked on the handle 2 by the locking mechanism, the rotation handle 3 can be prevented from being touched by mistake, and the.

Specifically, the locking mechanism comprises a hollow cavity 6 arranged inside the handle 2, a rotating rod 7 rotatably connected in the hollow cavity 6, a locking rod 8 with one end hinged with one end of the rotating rod 7 and the other end extending out from the upper end of the handle 2, and a pressing rod 9 with one end hinged with the other end of the rotating rod 7 and the other end extending out from the lower end of the handle 2; one end of the pressing rod 9 hinged with the rotating rod 7 is positioned in the hollow chamber 6 and is fixedly connected with the inner wall of the upper end of the hollow chamber 6 through a spring 10.

In this embodiment, when the spring 10 is in a natural extension state and the turning handle 3 is rotated to be located right above the handle 2, i.e. when the handle 2 is locked, the end of the locking rod 8 extending from the upper end of the handle 2 is just inserted into the turning handle 3, and the turning handle 3 is locked. Specifically, the bottom of the rotating handle 3 is provided with an insertion hole 11 for inserting one end of the locking rod 8 extending out, the insertion hole 11 is a blind hole, and the insertion hole 11 is formed in the bottom of the rotating handle 3 far away from one end of the locking screw 4. Simultaneously, when spring 10 is the natural telescopic state, locking pole 8, dwang 7 and press pole 9 are in balanced state, press pole 9 and locking pole 8 and all extend and wear out outside handle 2.

When specifically setting up, handle 2 upper end is seted up and is supplied locking pole 8 to extend the locking pole that wears out and wear out and 12, and handle 2 lower extreme is seted up and is supplied to press pole 9 to extend the pressing pole that wears out and wear out and 13, and locking pole wears out 12 and presses pole and wear out 13 and all communicate with well plenum chamber 6 to locking pole wears out 12 and presses pole and wears out 13 and be vertical hole. Be equipped with fixed axle 14 in the middle of well cavity 6, fixed axle 14 both ends correspond fixed connection with well cavity 6 front and back both sides inner wall, and the shaft hole has been seted up between two parties to dwang 7, and dwang 7 passes through the shaft hole is rotated and is connected on fixed axle 14. The locking lever 8 and the pressing lever 9 are respectively hinged to the rotating lever 7 through a hinge shaft 15. A pressing plate 16 is fixedly arranged at one end of the pressing rod 9 extending from the lower end of the handle 2.

When the butterfly valve is used, the handle 2 is held and the pressing plate 16 is pressed, the pressing plate 16 pushes the pressing rod 9 to enter the hollow cavity 6, the spring 10 is compressed, the pressing rod 9 pushes the rotating rod 7 to rotate around the fixed shaft 14, the locking rod 8 and the pressing rod 9 are respectively hinged with the rotating rod 7 through the hinge shaft 15, the locking rod 8 is limited to move up and down by the locking rod penetrating hole 12 when penetrating out of the locking rod penetrating hole 12, the pressing rod 9 is limited to move up and down by the pressing rod penetrating hole 13 when penetrating out of the pressing rod penetrating hole 13, so that one end, inserted into the bottom inserting hole 11 of the rotating handle 3, of the locking rod 8 can be separated from the inserting hole 11, the locking screw 4 can be unscrewed through the rotating handle 3, the pressing sleeve 5 sleeved at the lower end of the locking screw 4 rotates and moves up along with the locking screw 4 to be separated from the locking dial 1, and then the handle 2 can drive the butterfly valve shaft to rotate, the opening degree of the butterfly valve is adjusted, the opening degree of the butterfly valve can be adjusted to any position of 0-90 degrees through the handle 2, after the opening degree of the butterfly valve is adjusted, the locking screw 4 is screwed through the rotating handle 3, the pressing sleeve 5 sleeved at the lower end of the locking screw 4 moves downwards along with the rotation of the locking screw 4 and is pressed on the stop dial 1, the handle 2 is locked, when the handle 2 is locked, the rotating handle 3 rotates and is positioned right above the handle 2, the jack 11 at the bottom of the rotating handle 3 is dead against one end, extending out of the handle 2, of the locking rod 8 (namely dead against the upper end of the locking rod 8), the pressing plate 16 is loosened, the spring 10 recovers elastic deformation, the pressing rod 9 and the locking rod 8 reset under the action of the spring 10, the upper end of the locking rod 8 is inserted into the jack 11 at the bottom of the rotating handle 3, the rotating handle 3 is locked on the handle 2, the rotating handle 3 is also locked on the basis that the handle 2 is, and because the push rod 9 is hidden at the bottom of the handle 2, the push rod is not easy to be found, and the rotating handle 3 and the handle 2 can be effectively prevented from being operated by mistake.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A novel SAHL tape locking handle comprising: the handle is characterized in that a locking screw is spirally penetrated through the handle, the upper end of the locking screw is exposed outside the handle and is fixedly connected with a rotating handle, and the lower end of the locking screw is fixedly sleeved with a pressing sleeve; when the rotating handle is positioned right above the handle in a rotating mode, the locking screw is screwed in the handle, the pressing sleeve is pressed on the stop dial, and the handle is locked; the handle is also provided with a locking mechanism for preventing the rotating handle from being operated by mistake.

2. The novel SAHL band locking handle as claimed in claim 1, wherein a through hole is provided on the handle corresponding to the dial face of the stop dial, the upper portion of the through hole is an internal thread hole portion spirally engaged with the external thread portion of the locking screw, and the lower portion of the through hole is a sliding hole portion slidably engaged with the pressing sleeve.

3. The novel SAHL band locking handle according to claim 2, wherein the length of the male screw portion of the locking screw is greater than the depth of the female screw hole portion, and the length of the compression sleeve is less than the depth of the slip hole portion.

4. The novel SAHL tape locking handle according to claim 1, wherein the locking mechanism comprises a hollow chamber disposed inside the handle, a rotating rod rotatably connected within the hollow chamber, a locking rod having one end hinged to one end of the rotating rod and the other end extending from the upper end of the handle, and a pressing rod having one end hinged to the other end of the rotating rod and the other end extending from the lower end of the handle; one end of the pressing rod, which is hinged with the rotating rod, is positioned in the hollow cavity and is fixedly connected with the inner wall of the upper end of the hollow cavity through a spring; when the spring is in a natural telescopic state and the rotating handle is positioned right above the handle in a rotating mode, one end, extending out from the upper end of the handle, of the locking rod is inserted into the rotating handle, and the rotating handle is locked; the bottom of the rotating handle is provided with an insertion hole for inserting one end of the locking rod extending out, and the insertion hole is a blind hole.

5. The novel SAHL band locking handle according to claim 4, wherein the handle upper end is formed with a locking bar passing hole through which the locking bar extends, the handle lower end is formed with a pressing bar passing hole through which the pressing bar extends, and both the locking bar passing hole and the pressing bar passing hole are communicated with the hollow chamber.

6. The novel SAHL band locking handle as claimed in claim 4, wherein a fixed shaft is centrally disposed in the hollow chamber, and a shaft hole is centrally disposed on the rotation rod, through which the rotation rod is rotatably connected to the fixed shaft.

7. The novel SAHL tape locking handle according to claim 4, wherein a pressing plate is fixedly arranged at the end of the pressing rod extending from the lower end of the handle.

8. The novel SAHL band locking handle according to claim 4, wherein said locking lever and said pressing lever are hinged to said turning lever by means of a hinging shaft, respectively.