CN217927453U - Non-rising stem gate valve opening display device - Google Patents
Non-rising stem gate valve opening display device Download PDFInfo
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- CN217927453U CN217927453U CN202221996240.8U CN202221996240U CN217927453U CN 217927453 U CN217927453 U CN 217927453U CN 202221996240 U CN202221996240 U CN 202221996240U CN 217927453 U CN217927453 U CN 217927453U
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- display device
- winding drum
- gate valve
- opening degree
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Abstract
A non-rising stem gate valve opening display device belongs to the technical field of valves and comprises a valve body, wherein a valve rod is installed in the valve body, and the lower end of the valve rod is in threaded connection with a valve plate; the utility model has the advantages of, the utility model discloses a simple structure can show opening and close and the aperture of valve directly perceivedly, has reduced because of random governing valve opening size the production loss and the incident that cause.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a non-rising stem gate valve aperture display device.
Background
The hidden rod gate valve is often used in an industrial pipeline made of photovoltaic glass, the opening degree of the valve cannot be judged from the appearance when the existing hidden rod gate valve in the market is used, the adjustment is difficult, and misoperation or twisting damage to the valve can be easily caused.
The existing method for judging the valve opening degree is as follows: the valve is closed firstly, the number of turns from the prior opening degree to the complete closing of the valve is recorded, then the valve is opened completely, the total number of turns from the complete closing to the complete opening of the valve is recorded, and finally the original opening number of turns is divided by the total number of turns to determine the percentage of the original opening degree of the valve. However, the valve opening of some use areas cannot be adjusted randomly, and the valve opening cannot be determined.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a dark pole gate valve aperture display device, simple structure can show opening and close and the aperture of valve directly perceivedly, has reduced because of random governing valve aperture size and the production loss and the incident that cause.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: the opening display device of the non-rising stem gate valve comprises a valve body, wherein a valve rod is arranged in the valve body, and the lower end of the valve rod is in threaded connection with a valve plate; the valve body internal rotation is connected with the elasticity reel that resets, the winding has the connection rope on the elasticity reel that resets, the expansion end of connecting the rope with the valve plate links to each other, the elasticity reel that resets passes through gear drive and links to each other with the output shaft, the output shaft is worn out link to each other with the pointer on the aperture display panel behind the valve body.
And a cross shaft is fixed on the inner wall of the valve body, and the elastic reset winding drum is installed outside the cross shaft.
The elastic reset winding drum comprises a winding drum body sleeved on a transverse shaft, a connecting rope is wound on the winding drum body, a coil spring is fixedly sleeved on the transverse shaft, and the outer end of the coil spring is connected with the inner wall of the winding drum body.
And a baffle plate for preventing the elastic reset winding drum from separating from the transverse shaft is arranged at one end of the transverse shaft, which is far away from the gear transmission mechanism.
The gear transmission mechanism comprises a driving gear arranged at one end of the elastic reset winding drum and a driven gear arranged at one end of the output shaft, and the driving gear is meshed with the driven gear.
And the output shaft is provided with a bearing and is connected with the valve body through the bearing.
The opening display disc comprises a display disc body fixed on the outer side of the valve body, opening marks are arranged on the display disc body at intervals along the circumferential direction, an indicating needle is rotatably connected to the center of the display disc body, and one end of the indicating needle is connected with the output shaft.
When the valve plate is opened to the limit position, the elastic reset winding drum is located at a distance above the top end of the valve plate.
The utility model has the advantages that:
1. the utility model discloses utilize the rotatory valve rod to make the valve plate go up and down to drive the elasticity through connecting the rope and reset the reel and rotate, drive the output shaft through gear drive and rotate, thereby make the pointer on the aperture display panel rotate, be located the position on the aperture display panel through the pointer and can show opening and close and the aperture of valve directly perceivedly, reduced because of random control valve opening size and the production loss and the incident that cause.
2. The utility model discloses a cup joint the reel body on the cross axle, cup joint fixed wind spring on the cross axle and link to each other with the reel body through the wind spring, can make when making the valve plate descend and connect the rope and wind tight reel body, can make when the valve plate rises and connect the rope and reverse withdraw, make the valve plate go up and down and connect the rope synchronous, guaranteed the accuracy nature that the valve aperture shows.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the structure of the enlarged portion A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 2;
the labels in the above figures are: 1. the valve comprises a valve body, a valve rod, a valve plate, an elastic reset winding drum, a winding drum body, a winding spring, a connecting rope, a gear transmission mechanism, a driving gear, a driven gear, a gear transmission mechanism, a driving gear, a driven gear, an output shaft, an opening display disc, an indicating needle, a display disc body, a transverse shaft and a baffle, wherein the valve body comprises 2, the valve rod, 3, the valve plate, 4, the elastic reset winding drum, 41, a winding drum body, 42, a coil spring, 5, a connecting rope, 6, the driving gear, 62, the driven gear, 7, the output shaft, 8, an opening display disc, 81, the indicating needle, 82, the display disc body, 9, the transverse shaft and 10.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses specific embodiment does: as shown in fig. 1 to 3, the opening display device of the non-rising stem gate valve comprises a valve body 1, a valve rod 2 is installed in the valve body 1, the lower end of the valve rod 2 is in threaded connection with a valve plate 3, and the valve plate 3 can move up and down along the length direction of the valve rod 2 by rotating the valve rod 2 so as to realize opening and closing and opening adjustment of the valve. The elastic reset winding drum 4 is rotatably connected in the valve body 1, the connection rope 5 is wound on the elastic reset winding drum 4 and can be tightly wound, the movable end of the connection rope 5 is connected with the valve plate 3, the elastic reset winding drum 4 is connected with the output shaft 7 through the gear transmission mechanism 6, and the output shaft 7 penetrates out of the valve body 1 and then is connected with the indicating needle 81 on the opening display disc 8. The utility model discloses utilize rotatory valve rod 2 to make 3 lifts of valve plate to drive elasticity through connecting rope 5 and reset reel 4 and rotate, drive output shaft 7 through gear drive 6 and rotate, thereby make the pointer 81 on the aperture display panel 8 rotate, be located the position on the aperture display panel 8 through pointer 81 and can show opening and close and the aperture of valve directly perceivedly, reduced because of random control valve opening degree size and the production loss and the incident that cause.
Specifically, a cross shaft 9 is fixed on the inner wall of the valve body 1, an elastic reset drum 4 is installed outside the cross shaft 9, the elastic reset drum 4 comprises a drum body 41 sleeved on the cross shaft 9, a connecting rope 5 is wound on the drum body 41, a coil spring 42 is sleeved and fixed on the cross shaft 9, the outer end of the coil spring 42 is connected with the inner wall of the drum body 41, the cross shaft 9 is connected with the drum body 41 through the coil spring 42, the connecting rope 5 is wound on the drum body 41 when the valve plate 3 descends, the connecting rope 5 is reversely retracted when the valve plate 3 ascends, the valve plate 3 ascends and descends and is synchronous with the connecting rope 5, and accuracy of valve opening display is guaranteed. One end of the transverse shaft 9, which is far away from the gear transmission mechanism 6, is provided with a baffle plate 10, so that the reel body 41 is prevented from moving along the length direction of the transverse shaft 9 in the rotating process, and the elastic reset reel 4 can be prevented from being separated from the transverse shaft 9.
Specifically, the gear transmission mechanism 6 comprises a driving gear 61 mounted at one end of the elastic reset reel 4 and a driven gear 62 mounted at one end of the output shaft 7, the driving gear 61 is meshed with the driven gear 62, and the rotation of the elastic reset reel 4 can be synchronously transmitted to the rotation of the output shaft 7 through the gear transmission mechanism 6, so that the indicating needle 81 synchronously rotates by a corresponding angle. In order to make the rotation of the indicating needle 81 smoother, a bearing is mounted on the output shaft 7 and connected to the valve body 1 through the bearing.
Specifically, aperture display panel 8 wherein is including fixing display panel body 82 in the valve body 1 outside, display panel body 82 is provided with the aperture sign along circumference interval, display panel body 82 center department rotates through the pivot and is connected with pointer 81, the one end of pointer 81 links to each other with output shaft 7, rotatory valve rod 2 makes valve plate 3 go up and down, thereby it resets reel 4 rotation to drive elasticity through connecting rope 5, it rotates to drive output shaft 7 through gear drive 6, thereby make pointer 81 rotate and instruct the aperture department that corresponds at display panel body 82 aperture sign.
The circumferential opening of the display disc body 82 is marked by dividing the display disc body 82 of 360 degrees into 100 equal parts (100 scales), each part is 3.6 degrees, and the display opening at each scale is increased by 1% increment and is respectively 0, 1%, 2% and 3%.
The calibration method of the circumferential opening degree mark of the display disc body 82 comprises the following steps: when the gate valve is in a full-open state, the connecting rope 5 is completely withdrawn, and the opening display disc 8 displays 0; when the gate valve is in a fully closed state, the connecting rope 5 is stretched in place, and the opening display disc 8 displays 1. The outer diameter R of the winding drum body 41 is determined according to the displacement between the full opening and the full closing of the valve plate 3, when the space in the gate valve is large, the circumference of the winding drum body 41 can be calibrated to be consistent with the total displacement, when the space in the gate valve is full opening to the full closing or the full closing to the full opening, the winding drum body 41 just rotates for one circle, the size of the driving gear 61 and the size of the driven gear 62 on the winding drum body 41 are consistent, the driving gear 61 rotates for one circle to drive the driven gear 62 to rotate for one circle, and therefore the output shaft 7 drives the indicating needle 81 on the opening display disc 8 to just rotate for one circle. When the valve plate 3 is partially opened, the valve plate 3 rises by a distance L, and the connecting rope 5 retracts by the same distance L, thereby driving the winding drum body 41 to rotate clockwise by the arc length L, so that the winding drum body 41 rotates clockwise
Corresponding to the opening display disc 8
The opening degree of the gate valve can be clearly and intuitively seen through the opening degree display disc 8. Example (c): the valve of the non-rising stem gate valve of DN100 is required to be lowered by 100mm when the non-rising stem gate valve is fully opened to be fully closed, so the maximum displacement of the gate valve flashboard of DN100 is 100mm, the circumference of a calibration scroll is 100mm, and the diameter of the scroll is 100/pi; the opening display plate 8 of 360 degrees is divided into 100 equal parts and 3.6 degrees on average, the pointer 81 rotates 3.6 degrees every time the pointer descends 1mm, and the opening is displayed to be 1 percent.
When the space in the gate valve is small, the circumference of the spool body 41 may be defined as 1/2, 1/3, or 1/5 of the total displacement of the valve plate 3 to reduce the volume of the spool body 41, and the driven gear 62 may be set to be 2 times, 3 times, or 5 times the driving gear 61, and when the spool body 41 rotates one turn, the driven gear 62 rotates 1/2, 1/3, or 1/5. Example (c): the circumference of the reel body 41 is marked as 1/2 of the total displacement of the valve plate 3, the driven gear 62 is set as 2 times of the driving gear 61, when the valve plate 3 is completely opened to completely closed, the reel body 41 rotates for 2 circles, the driving gear 61 rotates for one circle, the indicating needle 81 is enabled to be pointed to 0 from 1, and the opening degree of the gate valve can be visually seen.
In addition, when extreme position was opened to valve plate 3, elasticity reset reel 4 was located one section distance department in the top on 3 tops of valve plate, guaranteed that the in-process that valve plate 3 rose can not exceed the height at elasticity reset reel 4 place, guaranteed that connection rope 5 twines all the time on elasticity reset reel 4, and the extension of connecting rope 5 or shorten all can the synchronous dynamic elasticity of holding back on reel 4 and rotate, and elasticity reset reel 4 motionless condition when the extension of connecting rope 5 or shortening can not appear, the accuracy that the valve aperture shows has been guaranteed.
To sum up, the utility model discloses simple structure can show opening and close and the aperture of valve directly perceivedly, has reduced because of random governing valve aperture size and the production loss and the incident that cause.
The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.
Claims (8)
1. The opening display device of the non-rising stem gate valve is characterized by comprising a valve body, wherein a valve rod is arranged in the valve body, and the lower end of the valve rod is in threaded connection with a valve plate; the valve body internal rotation is connected with the elasticity reel that resets, the winding has the connection rope on the elasticity reel that resets, the expansion end of connecting the rope with the valve plate links to each other, the elasticity reel that resets passes through gear drive and links to each other with the output shaft, the output shaft is worn out link to each other with the pointer on the aperture display panel behind the valve body.
2. The inside screw gate valve opening degree display device according to claim 1, wherein: and a cross shaft is fixed on the inner wall of the valve body, and the elastic reset winding drum is installed outside the cross shaft.
3. The inside screw gate valve opening degree display device according to claim 2, wherein: the elastic reset winding drum comprises a winding drum body sleeved on a transverse shaft, a connecting rope is wound on the winding drum body, a coil spring is fixedly sleeved on the transverse shaft, and the outer end of the coil spring is connected with the inner wall of the winding drum body.
4. The inside screw gate valve opening degree display device according to claim 2, wherein: and a baffle plate for preventing the elastic reset winding drum from separating from the transverse shaft is arranged at one end of the transverse shaft, which is far away from the gear transmission mechanism.
5. The inside screw gate valve opening degree display device according to claim 1, wherein: the gear transmission mechanism comprises a driving gear arranged at one end of the elastic reset winding drum and a driven gear arranged at one end of the output shaft, and the driving gear is meshed with the driven gear.
6. The inside screw gate valve opening degree display device according to claim 1, wherein: and the output shaft is provided with a bearing and is connected with the valve body through the bearing.
7. The inside screw gate valve opening degree display device according to claim 1, wherein: the opening display disc comprises a display disc body fixed on the outer side of the valve body, opening marks are arranged on the display disc body at intervals along the circumferential direction, an indicating needle is rotatably connected to the center of the display disc body, and one end of the indicating needle is connected with the output shaft.
8. The inside screw gate valve opening degree display device according to claim 1, wherein: when the valve plate is opened to the limit position, the elastic reset winding drum is located at a distance above the top end of the valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221996240.8U CN217927453U (en) | 2022-07-28 | 2022-07-28 | Non-rising stem gate valve opening display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221996240.8U CN217927453U (en) | 2022-07-28 | 2022-07-28 | Non-rising stem gate valve opening display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217927453U true CN217927453U (en) | 2022-11-29 |
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ID=84150478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221996240.8U Active CN217927453U (en) | 2022-07-28 | 2022-07-28 | Non-rising stem gate valve opening display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217927453U (en) |
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2022
- 2022-07-28 CN CN202221996240.8U patent/CN217927453U/en active Active
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