CN217153238U

CN217153238U - Non-rising stem gate valve opening degree display

Info

Publication number: CN217153238U
Application number: CN202220166855.1U
Authority: CN
Inventors: 纪斌; 黄斌; 龚冬; 刘晓阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-08-09
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a non-rising stem gate valve opening degree display belongs to valve technical field. The valve comprises a shell, a through hole which can be penetrated by a valve rod on the shell, a ring gear which is arranged at the through hole and can be fixed with the valve rod, a fixing part which is arranged at the bottom of the shell and is used for being fixedly connected with a valve body or a valve cover, an indicating disc which is rotatably arranged in the shell and at least one duplicate gear which is rotatably arranged in the shell, wherein the ring gear, the indicating disc and the duplicate gear are vertically arranged; the annular gear is rotatably arranged in the shell and is coaxial with the valve rod; the indicating disc is provided with scales, a linkage gear is coaxially arranged on the upper side or the lower side of the indicating disc, the linkage gear is in transmission connection with the annular gear through a duplicate gear, and the duplicate gear, the indicating disc and the linkage gear are all positioned on the outer side of the annular gear; when the valve clack moves between the upper limit position and the lower limit position, the rotating angle of the indicating disc is less than 360 degrees; a window is arranged on the shell and corresponding to the scale. The opening degree of the non-rising stem gate valve can be represented by the rotation of the indicating disc.

Description

Non-rising stem gate valve opening degree display

Technical Field

The utility model belongs to the technical field of the valve, in particular to non-rising stem gate valve opening degree display.

Background

The opening and closing piece of the gate valve is a gate plate, and the moving direction of the gate plate is perpendicular to the fluid direction. The gate valve is divided into a rising stem gate valve and a non-rising stem gate valve according to the thread position of the valve rod. The rising stem gate valve is characterized in that the gate plate and the valve rod move linearly in the axial direction of the valve rod relative to the valve body together; the non-rising stem gate valve is characterized in that a valve rod nut is arranged on the gate plate, and a hand wheel rotates to drive a valve rod to rotate so as to lift the gate plate, namely the valve rod of the non-rising stem gate valve is always hidden in the valve body, so that the opening degree of the non-rising stem gate valve is difficult to judge.

Disclosure of Invention

In order to solve the problem, the embodiment of the utility model provides a dark pole gate valve opening degree display can show the opening degree of dark pole gate valve through the rotation of dial. The technical scheme is as follows:

the embodiment of the utility model provides a non-rising stem gate valve opening degree display, including casing, the through-hole 1 that can supply the valve rod to pass on the casing, through-hole 1 department and can with valve rod fixed ring gear 4, casing bottom and be used for with valve body or valve gap fixed connection's mounting, rotate locate in the casing indicator panel 3 and rotate locate in the casing at least one duplicate gear, ring gear 4, indicator panel 3 and duplicate gear all set up vertically; the ring gear 4 is rotatably arranged in the shell and is coaxial with the valve rod; the indicating dial 3 is provided with scales, the upper side or the lower side of the indicating dial is coaxially provided with a linkage gear 5, the linkage gear 5 is in transmission connection with the annular gear 4 through a duplicate gear, and the duplicate gear, the indicating dial 3 and the linkage gear 5 are all positioned on the outer side of the annular gear 4; when the valve clack moves between the upper limit position and the lower limit position, the rotating angle of the indicating disc 3 is less than 360 degrees; and a window 6 capable of displaying the rotation degree of the indicating dial 3 is arranged on the shell and corresponding to the scales.

Wherein, the embodiment of the utility model provides an in quantity be two, and two duplicate gear are duplicate gear 7 and last duplicate gear 8 down respectively, duplicate gear 7's bull gear and ring gear 4 meshing and its pinion ring and the bull gear meshing of last duplicate gear 8 down, the pinion ring and the 5 meshing of linkage gear of last duplicate gear 8.

Wherein, the scale in the embodiment of the utility model is arranged at the outer side of the indicating disc 3, the indicating disc 3 is arranged at the adjacent inner side of the side wall of the shell and the diameter of the indicating disc 3 is smaller than that of the linkage gear 5; the window 6 is arranged on the side wall of the shell, is positioned on the same horizontal plane with the indicating disc 3 and is positioned on the adjacent outer side of the outermost side of the indicating disc 3.

Wherein, the window 6 in the embodiment of the utility model is an arc hole or an arc transparent window which is arranged outside the shell and is coaxial with the ring gear 4; an indicating line is arranged on the shell and positioned on the upper side or the lower side of the window 6 along the vertical direction.

Specifically, the embodiment of the utility model provides an annular gear 4 is located casing lower part, dial 3 is located casing upper portion and its upside that is located linkage gear 5, the upper end of duplicate gear's pivot is rotated and is located the casing top and its pinion ring is located the upside of bull gear, the upper end of linkage gear 5's pivot is rotated and is located the casing top, duplicate gear 7, last duplicate gear 8 and linkage gear 5 are by lower supreme setting gradually and being the echelonment down.

Wherein, the upper and lower sides of the ring gear 4 in the embodiment of the utility model are provided with two convex rings 2, and the convex rings 2 and the ring gear 4 are coaxially arranged; the middle part of casing is equipped with the sleeve pipe that runs through it, sheathed tube inner wall forms through-hole 1, bulge loop 2 is coaxial to be located in the sleeve pipe and its outer wall and sheathed tube inner wall clearance fit, coaxial being equipped with on the sleeve pipe supplies ring gear 4 to outwards wear out the annular breach, duplicate gear, dial 3 and linkage gear 5 all are located the sheathed tube outside.

Specifically, the embodiment of the present invention provides a casing which is circular, and the sleeve is coaxial with the casing.

Wherein, the embodiment of the utility model provides an in the casing include cylindric casing 9 down and rather than complex circular cover plate 10, circular cover plate 10 lid is established at casing 9's top down, just be located its centre of a circle department coaxial lower casing 11 that is equipped with down in casing 9 down, the coaxial upper casing 12 that is equipped with of downside of circular cover plate 10, upper casing 12 is located lower casing 11 directly over, upper casing 12 constitutes the sleeve pipe and has the clearance between it with lower casing 11 combination and form annular breach, ring gear 4 is located between upper casing 12 and the lower casing 11, and the bulge loop 2 of upside is located upper casing 12, and the bulge loop 2 of downside is located lower casing 11.

Wherein, the embodiment of the utility model provides a mounting is including two fixed unit 13 of relative setting, fixed unit 13 includes that the fixed column of casing 9 bottom, adjusting plate, the adjusting plate of casing 9 downside, adjusting plate the inner and the bonnet nut cover of vertical setting and the retaining member that is located the adjusting plate downside under locating along vertical direction, the direction at its place is equipped with the bar hole on the adjusting plate, the fixed column passes the bar hole, the retaining member roof pressure is fixed the adjusting plate in the bottom of casing 9 down at the downside of adjusting plate, the downside of bonnet nut cover be equipped with along vertical direction with bonnet nut complex hexagon hole, two bonnet nut covers overlap respectively and establish on two bonnet nuts of relative setting on the bonnet.

Further, the lower shell 9 and the circular cover plate 10 in the embodiment of the present invention are fixed together by at least two bolts 14, the bolts 14 are vertically arranged, and the lower ends thereof penetrate through the lower shell 9 downward and are provided with locking nuts 15 thereon; two bolts 14 are oppositely arranged, the part of the bolts which downwards penetrates out of the lower shell 9 forms a fixed column, and a locking nut 15 on the bolts is a locking part; the locking nuts 15 on the remaining bolts 14 rest against the bottom of the lower housing 9.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the embodiment of the utility model provides a dark pole gate valve opening degree display can show the opening degree of dark pole gate valve through the rotation of dial (through linkage gear, duplicate gear and ring gear and valve rod linkage).

Drawings

Fig. 1 is an external view of a non-rising stem gate valve opening degree display disclosed in an embodiment of the present invention;

fig. 2 is a bottom view of a non-rising stem gate valve opening degree display disclosed in an embodiment of the present invention;

fig. 3 is a schematic structural view of a non-rising stem gate valve opening degree display disclosed in an embodiment of the present invention;

FIG. 4 is a sectional view taken along line L-L of FIG. 3;

fig. 5 is a sectional view taken along the direction N-N of fig. 3.

In the figure: the device comprises a through hole 1, a convex ring 2, an indicating dial 3, a ring gear 4, a linkage gear 5, a window 6, a lower duplicate gear 7, an upper duplicate gear 8, a lower shell 9, a circular cover plate 10, a lower sleeve 11, an upper sleeve 12, a fixing unit 13, a bolt 14 and a locking nut 15.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-5, the embodiment of the utility model provides a dark pole gate valve opening degree display, including the casing, can supply through-hole 1 that the valve rod passed on the casing, through-hole 1 department and can be fixed with the valve rod (through corresponding structure, like sticky, fixed abaculus etc.) ring gear 4, the casing bottom just is used for the mounting with valve body or valve gap (preferred) fixed connection, rotate and locate in the casing (specifically for the casing inside and outside) dial 3 and rotate and locate at least one duplicate gear etc. in the casing, ring gear 4, dial 3 and the equal vertical setting of duplicate gear. Specifically, the through hole 1 is located in the middle of the housing, and may be a circular hole that is coaxially disposed with the valve rod and has a diameter larger than that of the valve rod. The ring gear 4 is rotatably disposed in the housing, and is disposed coaxially with the valve stem. Be equipped with the scale on the dial 3 and its upside or the coaxial link gear 5 that is equipped with of downside, link gear 5 is connected in order to realize being rotated by ring gear 4 rotary drive link gear 5 rotation with ring gear 4 through duplicate gear transmission, and duplicate gear, dial 3 and link gear 5 all are located the outside of ring gear 4. When the valve flap is moved between the upper and lower extreme positions (typically 15-20 rotations of the valve stem), the indicator disk 3 is rotated through an angle of less than 360 deg., and rotated through an angle (e.g., greater than 15 deg.) that is clearly distinguishable whether the indicator disk 3 is rotated. A window 6 which can display the rotation degree (mainly displaying a closed state or a completely opened state) of the indicating disc 3 is arranged on the shell and corresponding to the scales. Specifically, the outer side or the upper side of the indicating dial 3 is provided with scales, and correspondingly, the outer side or the top of the shell is correspondingly provided with a window 6.

Wherein, referring to fig. 1 and 3-5, the number of the duplicate gears in the embodiment of the present invention is two, the two duplicate gears are the lower duplicate gear 7 and the upper duplicate gear 8 respectively, the large gear ring of the lower duplicate gear 7 is meshed with the ring gear 4, and the small gear ring thereof is meshed with the large gear ring of the upper duplicate gear 8, the small gear ring of the upper duplicate gear 8 is meshed with the linkage gear 5, and the gear ratio of the large gear ring and the small gear ring of the duplicate gear is 5-10 (specifically may be 8) or other gear ratios ensure that the indicator panel 3 cannot rotate for one circle.

Referring to fig. 3-5, the scale (specifically, a 360 ° graduation line, which can be set every 15 °) in the embodiment of the present invention is disposed on the outer side of the indicating plate 3, and the indicating plate 3 is disposed on the adjacent inner side of the side wall of the housing and has a diameter smaller than that of the linkage gear 5. The window 6 is arranged on the side wall of the shell, is positioned on the same horizontal plane with the indicating disc 3 and is positioned on the adjacent outer side of the outermost side of the indicating disc 3.

Referring to fig. 3-5, the window 6 in the embodiment of the present invention is an arc hole or an arc transparent window disposed outside the housing and coaxial with the ring gear 4. An indicating line (corresponding to the scale mark) is arranged on the shell and positioned on the upper side or the lower side of the window 6 along the vertical direction. Specifically, the casing can be a window 6 formed by the whole transparent material, and an indicating line is arranged at the corresponding position of the casing. If the viewing window 6 is small, the indicator line may not be provided.

Specifically, referring to fig. 1-5, in the embodiment of the present invention, the ring gear 4 is located at the lower portion in the housing, the indicating dial 3 is located at the upper portion in the housing and located at the upper side of the linkage gear 5, the upper end of the rotating shaft of the dual gear (which is located on the rotating shaft and coaxially disposed between the dual gear and the circular cover plate 10) is rotated and located at the top of the housing, and the small gear ring is located at the upper side of the large gear ring, the upper end of the rotating shaft of the linkage gear 5 (which is located on the rotating shaft and coaxially disposed between the indicating dial 3 and the circular cover plate 10) is rotated and located at the top of the housing, and the lower dual gear 7, the upper dual gear 8 and the linkage gear 5 are disposed around the ring gear 4 and sequentially disposed from bottom to top and are in a step shape.

Referring to fig. 4, two protruding rings 2 (through which the valve shaft can pass) are disposed on the upper and lower sides of the ring gear 4 in the embodiment of the present invention. The convex ring 2 and the ring gear 4 are coaxially arranged; specifically, the inner diameter of the male ring 2 is the same as the inner diameter of the ring gear 4; the two collars 2 are of the same size. The middle part of the shell is provided with a sleeve which penetrates through the shell, and the upper end and the lower end of the sleeve are respectively fixed on the circular cover plate 10 and the lower shell 9. The through hole 1 is formed on the inner wall of the sleeve, the convex ring 2 is coaxially arranged in the sleeve, the outer wall of the convex ring is in clearance fit with the inner wall of the sleeve to enable the ring gear 4 to rotate, an annular notch for the ring gear 4 to penetrate out is coaxially arranged on the sleeve, and the duplicate gear, the indicating disc 3 and the linkage gear 5 are all located on the outer side of the sleeve.

Specifically, the embodiment of the utility model provides an in the casing be circular, casing and the coaxial setting of valve rod, the casing middle part is located to through-hole 1. The sleeve is coaxially arranged with the housing.

Wherein, referring to fig. 1-5, the casing in the embodiment of the present invention includes a lower cylindrical casing 9 and a circular cover plate 10 (circular with the coaxial setting of the valve rod) fitted with the lower cylindrical casing 9, the circular cover plate 10 covers the top of the lower casing 9, the lower casing 9 is provided with a lower casing 11 (specifically, a circular pipe with vertical setting) coaxially located at the center of the circle, the lower side of the circular cover plate 10 is provided with an upper casing 12 (specifically, a circular pipe with vertical setting) coaxially, the upper casing 12 is located directly above the lower casing 11, and the inner and outer diameters of the upper casing 12 and the lower casing 11 are the same. The upper sleeve 12 and the lower sleeve 11 are combined to form a sleeve, a gap is formed between the upper sleeve 12 and the lower sleeve 11 to form an annular gap, the ring gear 4 is positioned between the upper sleeve 12 and the lower sleeve 11, the convex ring 2 at the upper side is positioned in the lower part of the upper sleeve 12, and the convex ring 2 at the lower side is positioned in the upper part of the lower sleeve 11.

Wherein, referring to fig. 1-5, the fixing member in the embodiment of the present invention includes two fixing units 13 disposed relatively, each fixing unit 13 includes a fixing column disposed at the bottom of the lower housing 9 along the vertical direction, an adjusting plate disposed at the lower side of the lower housing 9 (specifically disposed along the radial direction of the housing, and can be rotated and adjusted inside and outside relative to the fixing column), a bonnet nut sleeve disposed at the inner end of the adjusting plate and vertically disposed on the fixing column, and a locking member disposed at the lower side of the adjusting plate, and the like, wherein a strip-shaped hole is disposed on the adjusting plate along the direction of the adjusting plate, the fixing column passes through the strip-shaped hole, and the locking member is pressed against the lower side of the adjusting plate to fix the adjusting plate at the bottom of the lower housing 9. The lower side of the valve cap nut sleeve is provided with a hexagonal hole matched with the valve cap nut along the vertical direction, and the two valve cap nut sleeves are respectively sleeved on the two valve cap nuts oppositely arranged on the valve cap. Of course, the fixing member may have other structures, such as a direct fixing to the valve cover.

Further, referring to fig. 1-5, the lower housing 9 and the circular cover 10 in the embodiment of the present invention are fixed together by at least two bolts 14 (which penetrate the housing downward and the head of which is located on the upper side of the circular cover 10), the bolts 14 are vertically arranged and the lower ends thereof penetrate the lower housing 9 downward and are provided with locking nuts 15 thereon. Two bolts 14 are oppositely arranged, the part of the bolts which downwards penetrates out of the lower shell 9 forms a fixing column, and a locking nut 15 on the bolts is a locking piece. The locking nuts 15 on the remaining bolts 14 (in particular the remaining two) rest against the bottom of the lower housing 9. Specifically, the number of the bolts 14 is four, and the four bolts 14 are distributed in a cross shape and avoid other structures.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The non-rising stem gate valve opening degree display is characterized by comprising a shell, a through hole (1) which is formed in the shell and through which a valve rod can pass, a ring gear (4) which is arranged at the through hole (1) and can be fixed with the valve rod, a fixing part which is arranged at the bottom of the shell and is used for being fixedly connected with a valve body or a valve cover, an indicating disc (3) which is rotatably arranged in the shell and at least one duplicate gear which is rotatably arranged in the shell, wherein the ring gear (4), the indicating disc (3) and the duplicate gear are vertically arranged; the ring gear (4) is rotatably arranged in the shell and is coaxial with the valve rod; scales are arranged on the indicating disc (3), a linkage gear (5) is coaxially arranged on the upper side or the lower side of the indicating disc (3), the linkage gear (5) is in transmission connection with the annular gear (4) through a duplicate gear, and the duplicate gear, the indicating disc (3) and the linkage gear (5) are all located on the outer side of the annular gear (4); when the valve clack moves between the upper limit position and the lower limit position, the rotating angle of the indicating disc (3) is less than 360 degrees; and a window (6) capable of displaying the rotation degree of the indicating disc (3) is arranged on the shell and corresponding to the scales.

2. The inside screw gate valve opening degree display of claim 1, wherein the number of the duplicate gears is two, the two duplicate gears are a lower duplicate gear (7) and an upper duplicate gear (8), respectively, a large gear ring of the lower duplicate gear (7) is meshed with the ring gear (4) and a small gear ring thereof is meshed with a large gear ring of the upper duplicate gear (8), and a small gear ring of the upper duplicate gear (8) is meshed with the linkage gear (5).

3. The inside screw gate valve opening degree display of claim 1, wherein the scale is arranged on the outer side of the indicating disc (3), the indicating disc (3) is arranged on the adjacent inner side of the side wall of the shell and the diameter of the indicating disc is smaller than that of the linkage gear (5); the window (6) is arranged on the side wall of the shell, is positioned on the same horizontal plane with the indicating disc (3), and is positioned on the adjacent outer side of the outermost side of the indicating disc (3).

4. The inside-out valve opening degree indicator of claim 3, wherein the window (6) is an arc-shaped hole or an arc-shaped transparent window which is arranged outside the casing and is coaxial with the ring gear (4); an indicating line is arranged on the shell and positioned on the upper side or the lower side of the window (6) along the vertical direction.

5. The inside lower portion of the casing is located to the ring gear (4), the indicating dial (3) is located at the upper portion of the casing and located at the upper side of the linkage gear (5), the upper end of the rotating shaft of the duplicate gear is rotatably arranged at the top of the casing, the small gear ring of the rotating shaft of the duplicate gear is located at the upper side of the large gear ring, the upper end of the rotating shaft of the linkage gear (5) is rotatably arranged at the top of the casing, and the lower duplicate gear (7), the upper duplicate gear (8) and the linkage gear (5) are sequentially arranged from bottom to top and are in a step shape.

6. The inside screw gate valve opening degree display of claim 5, wherein two protruding rings (2) are arranged on the upper side and the lower side of the ring gear (4), and the protruding rings (2) and the ring gear (4) are coaxially arranged; the middle part of casing is equipped with the sleeve pipe that runs through it, sheathed tube inner wall forms through-hole (1), protruding ring (2) coaxial locate the sleeve pipe in and its outer wall and sheathed tube inner wall clearance fit, coaxial being equipped with on the sleeve pipe supplies ring gear (4) to outwards wear out annular breach, duplicate gear, dial (3) and linkage gear (5) all are located the sheathed tube outside.

7. The inside diameter display of claim 6, wherein the housing is circular and the sleeve is coaxial with the housing.

8. The inside screw gate valve opening degree display of claim 7, wherein the casing comprises a cylindrical lower casing (9) and a circular cover plate (10) matched with the lower casing, the circular cover plate (10) covers the top of the lower casing (9), a lower sleeve (11) is coaxially arranged in the lower casing (9) and located at the center of the lower casing, an upper sleeve (12) is coaxially arranged at the lower side of the circular cover plate (10), the upper sleeve (12) is located right above the lower sleeve (11), the upper sleeve (12) and the lower sleeve (11) are combined to form a sleeve, a gap is formed between the upper sleeve (12) and the lower sleeve (11) to form an annular gap, the ring gear (4) is located between the upper sleeve (12) and the lower sleeve (11), the upper convex ring (2) is located in the upper sleeve (12), and the lower convex ring (2) is located in the lower sleeve (11).

9. The inside screw gate valve opening degree display of claim 8, wherein the fixing member comprises two fixing units (13) which are oppositely arranged, the fixing units (13) comprise fixing columns which are vertically arranged at the bottom of the lower casing (9), an adjusting plate which is arranged at the lower side of the lower casing (9), valve cap nut sleeves which are vertically arranged at the inner ends of the adjusting plate, and locking members which are arranged on the fixing columns and are positioned at the lower side of the adjusting plate, strip-shaped holes are formed in the adjusting plate along the direction of the adjusting plate, the fixing columns penetrate through the strip-shaped holes, the locking members are pressed against the lower side of the adjusting plate to fix the adjusting plate at the bottom of the lower casing (9), six-sided holes matched with the valve cap nuts are formed in the lower side of the valve cap nut sleeves vertically, and the two valve cap nut sleeves are respectively sleeved on the two valve cap nuts which are oppositely arranged on the valve cap.

10. The inside-out valve opening degree indicator according to claim 9, wherein the lower case (9) and the circular cover plate (10) are fixed together by at least two bolts (14), the bolts (14) are vertically arranged, the lower ends of the bolts penetrate through the lower case (9) downwards, and locking nuts (15) are arranged on the bolts; wherein, two bolts (14) are arranged oppositely, the part of the bolts which downwards penetrate out of the lower shell (9) forms a fixed column, and a locking nut (15) on the bolts is a locking piece; the locking nuts (15) on the rest bolts (14) are abutted against the bottom of the lower shell (9).