CN217874478U

CN217874478U - Valve position indicating device and valve

Info

Publication number: CN217874478U
Application number: CN202221156071.7U
Authority: CN
Inventors: 朱吉胜; 周彬; 杨智勇
Original assignee: Alken Valve Co ltd
Current assignee: Alken Valve Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-11-22
Anticipated expiration: 2032-05-12

Abstract

The application provides a valve position indicating device belongs to valve technical field. This valve position indicating device includes valve component and instruction subassembly, the valve component includes valve casing, valve rod, valve clack and transmission case, valve rod one end run through set up in the valve casing, instruct the subassembly to include casing, threaded rod, movable block, connecting piece, indicating head, scale plate and brush board, the casing install in transmission case top through setting up casing, threaded rod, movable block, connecting piece, indicating head, scale plate and brush board, utilizes the valve rod to drive the threaded rod and rotate when switching valve, and the threaded rod drives the indicating head and removes and judge the valve switch condition according to the scale plate, and the indicating head drives the brush board simultaneously and removes, and the brush board cleans the scale plate to fall the dust brush on the scale plate, clear up the dust when observing the valve condition and guarantee the judgement accuracy, thereby improve the convenience.

Description

Valve position indicating device and valve

Technical Field

The application relates to the field of valves, in particular to a valve position indicating device and a valve.

Background

The valve is widely applied to the connection of the air pipeline, the water pipeline and the oil pipeline of various equipment tools, and the machining and positioning requirements of the existing equipment tools are higher and higher, so that higher requirements are provided for the control of the opening and closing angle of the valve. Therefore, corresponding indicators are often installed on the valves to indicate the opening and closing positions of the valves.

Patent number CN208457321U discloses an indicating device for the open and close position of a valve core of a non-rising stem valve, wherein the connection mode of a valve rod 4 and a pointer body 3 is a thread pair, when the valve rod 4 rotates, the pointer body 3 moves along the axial direction of the valve rod 4, and then scales are observed from a scale 6.

However, the above solution has some drawbacks: after the valve and the indicating device are used for a long time, dust easily falls on the scale, so that scale indication on the scale is shielded, judgment of the opening and closing position of the valve core is influenced, a user needs to erase dust by means of a tool, and certain trouble is undoubtedly brought to the user.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above deficiencies, the present application provides a valve position indicating device and a valve, which aims to improve the problems mentioned in the background art.

In a first aspect, embodiments of the present application provide a valve position indicating device including a valve assembly and an indicating assembly.

The valve component comprises a valve casing, a valve rod, a valve clack and a transmission case, wherein one end of the valve rod is penetrated and arranged in the valve casing, the valve clack is arranged on the surface of the valve rod and is positioned in the valve casing, the transmission case is arranged at the top of the valve casing, and the top end of the valve rod is penetrated through the transmission case.

The indicating component comprises a shell, a threaded rod, a movable block, a connecting piece, an indicating head, a scale plate and a brush plate, wherein the shell is installed at the top of the transmission box, the threaded rod is arranged at the top end of the valve rod, the thread of the movable block is sleeved on the surface, the connecting piece is arranged on the outer side of the movable block, the indicating head is installed on one side of the connecting piece, a strip-shaped hole is formed in the shell, the indicating head slides to penetrate through the strip-shaped hole, the scale plate is arranged on the outer side of the shell and is close to the strip-shaped hole, the brush plate is installed at one end of the indicating head, and the brush plate is in contact with the scale plate.

In the above-mentioned realization in-process, through setting up casing, threaded rod, movable block, connecting piece, indicator, scale plate and brush board, utilize the valve rod to drive the threaded rod when switching valve and rotate, the threaded rod drives the indicator and removes and judge the valve switch condition according to the scale plate, and the indicator drives the brush board simultaneously and removes, and the brush board cleans the scale plate to fall the dust brush on the scale plate, clear up the dust when observing the valve condition and guarantee to judge the accuracy, thereby improve the convenience.

In a specific implementation scheme, the connecting piece comprises a connecting block and a fixed knob, the connecting block is fixedly sleeved outside the moving block, and the fixed knob screw penetrates through one side of the connecting block and abuts against the moving block.

In the implementation process, the connecting block is fixed on the moving block by the aid of the fixing knob through the connecting block and the fixing knob, so that the indicating head is convenient to disassemble and assemble.

In a specific implementation scheme, a limiting sliding groove is formed in the shell, a limiting sliding block is arranged on one side of the connecting block, and the limiting sliding block is in clearance fit with the inner wall of the limiting sliding groove.

In the implementation process, the limiting slide block and the limiting slide groove are in clearance fit with each other on the inner wall of the limiting slide groove, so that the connecting block is limited from rotating, and the connecting block is prevented from rotating in the thread transmission process.

In a specific embodiment, the indicating head comprises a connecting rod and a triangular plate, one end of the connecting rod is fixedly connected with the connecting block, and the triangular plate is arranged at the other end of the connecting rod.

In a specific embodiment, the transmission case comprises a case body, a rotating shaft, a first bevel gear and a second bevel gear, the case body is fixedly connected to the top of the valve casing, one end of the rotating shaft is rotatably arranged in the case body, the first bevel gear is fixedly connected to the end of the rotating shaft, the second bevel gear is fixedly sleeved outside the valve rod, and the first bevel gear is meshed with the second bevel gear.

In the implementation process, the valve rod is driven to rotate by rotating the rotating shaft through the mode that two bevel gears are meshed with each other, and then the valve is controlled to be opened and closed.

In a specific embodiment, a hand wheel is fixedly connected to one end of the rotating shaft, which is located outside the box body.

In the implementation process, the hand wheel is arranged, so that the rotating shaft is driven to rotate conveniently by rotating the hand wheel.

In a specific embodiment, the number of the brush plates is two, the two brush plates are distributed on the upper side and the lower side of the indicating head, each brush plate comprises a movable plate and bristles, the movable plate is mounted on one side of the indicating head, and the bristles are arranged on one side of the movable plate and contact with the scale plate.

In the implementation process, the movable plate and the bristles are arranged on the upper side and the lower side of the indicating head, so that the cleaning effect on the scale plate is ensured.

In a specific embodiment, the moving plate is threaded through a fixing bolt, and the fixing bolt is in threaded connection with the indicating head.

In the implementation process, the movable plate is fixedly installed through the fixing bolt, so that the indicator head can be conveniently disassembled, assembled and replaced.

In a specific embodiment, the valve stem and the valve flap are integrally formed and the surface is provided with an anti-corrosion coating.

In the implementation process, the corrosion resistance is improved and the service life is prolonged by arranging the corrosion-resistant coating.

In a second aspect, the present invention further provides a valve comprising the above valve position indicating device.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a valve position indicating device provided by an embodiment of the present application;

FIG. 2 is a schematic view of a valve assembly according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a transmission case provided in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of an indicating assembly according to an embodiment of the present disclosure;

fig. 5 is a schematic diagram of a scale plate structure according to an embodiment of the present application.

In the figure: 100-a valve assembly; 110-a valve housing; 120-a valve stem; 130-a valve flap; 140-a transmission case; 141-a box body; 142-a rotating shaft; 1421-hand wheel; 143-a first bevel gear; 144-a second bevel gear; 200-an indication component; 210-a housing; 211-strip shaped holes; 212-a limiting chute; 220-a threaded rod; 230-a moving block; 240-a connector; 241-connecting block; 2411-limiting sliding block; 242-fixed knob; 250-an indicator head; 251-a connecting rod; 252-set square; 260-scale plate; 270-a brush plate; 271-moving plate; 2711-anchor bolt; 272-bristles.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1-5, the present application provides a valve position indicating device including a valve assembly 100 and an indicating assembly 200.

Referring to fig. 1, 2, 3 and 4, the valve assembly 100 includes a valve housing 110, a valve stem 120, a valve flap 130 and a transmission case 140, wherein one end of the valve stem 120 is disposed in the valve housing 110 in a penetrating manner, the valve flap 130 is disposed on the surface of the valve stem 120, the valve flap 130 is disposed in the valve housing 110, the transmission case 140 is disposed on the top of the valve housing 110, and the top end of the valve stem 120 penetrates the transmission case 140.

In a specific embodiment, the transmission case 140 includes a case body 141, a rotating shaft 142, a first bevel gear 143 and a second bevel gear 144, the case body 141 is fixedly connected to the top of the valve housing 110, one end of the rotating shaft 142 is rotatably disposed in the case body 141, the first bevel gear 143 is fixedly connected to the end of the rotating shaft 142, the second bevel gear 144 is fixedly sleeved on the outer side of the valve rod 120, the first bevel gear 143 and the second bevel gear 144 are engaged, and the valve rod 120 is driven to rotate by rotating the rotating shaft 142 in a manner of engaging the two bevel gears, so as to control the opening and closing of the valve.

In a specific embodiment, a hand wheel 1421 is fixedly connected to one end of the rotating shaft 142 located outside the box 141, and the rotating shaft 142 is conveniently driven to rotate by rotating the hand wheel 1421 through the arrangement of the hand wheel 1421.

Referring to fig. 1, 2, 4 and 5, the indicating assembly 200 includes a housing 210, a threaded rod 220, a moving block 230, a connecting member 240, an indicating head 250, a scale plate 260 and a brush plate 270, the housing 210 is installed at the top of the transmission case 140, the threaded rod 220 is disposed at the top end of the valve rod 120, the moving block 230 is in threaded connection with the surface, the connecting member 240 is disposed at the outer side of the moving block 230, the indicating head 250 is installed at one side of the connecting member 240, the housing 210 is provided with a strip-shaped hole 211, the indicating head 250 slidably penetrates through the strip-shaped hole 211, the scale plate 260 is disposed at the outer side of the housing 210 and is close to the strip-shaped hole 211, the brush plate 270 is installed at one end of the indicating head 250, and the brush plate 270 contacts the scale plate 260.

In this embodiment, the connecting member 240 includes a connecting block 241 and a fixing knob 242, the connecting block 241 is fixedly secured to the outer side of the moving block 230, the fixing knob 242 is screwed through one side of the connecting block 241 and abuts against the moving block 230, and the connecting block 241 is fixed to the moving block 230 by the fixing knob 242 through the connecting block 241 and the fixing knob 242, so as to facilitate the mounting and dismounting of the indicator head 250.

In a specific embodiment, a limiting sliding groove 212 is formed in the shell 210, a limiting sliding block 2411 is arranged on one side of the connecting block 241, the limiting sliding block 2411 is in clearance fit with the inner wall of the limiting sliding groove 212, and the limiting sliding block 2411 is in clearance fit with the inner wall of the limiting sliding groove 212, so that the rotation of the connecting block 241 is limited, and the rotation of the connecting block 241 in the thread transmission process is avoided.

In a specific embodiment, the indicator head 250 includes a connecting rod 251 and a triangular plate 252, wherein one end of the connecting rod 251 is fixedly connected to the connecting block 241, and the triangular plate 252 is disposed at the other end of the connecting rod 251.

In a specific embodiment, two brush plates 270 are provided, the two brush plates 270 are distributed on the upper and lower sides of the indicator head 250, the brush plates 270 include a moving plate 271 and bristles 272, the moving plate 271 is mounted on one side of the indicator head 250, the bristles 272 are disposed on one side of the moving plate 271 and contact the scale plate 260, and the cleaning effect on the scale plate 260 is ensured by disposing the moving plate 271 and the bristles 272 on the upper and lower sides of the indicator head 250.

In a specific embodiment, the moving plate 271 has a fixing bolt 2711 threaded therethrough, the fixing bolt 2711 is threadedly connected to the indicator head 250, and the moving plate 271 is fixedly installed by providing the fixing bolt 2711, thereby facilitating the replacement and removal of the indicator head 250.

In a specific embodiment, the valve rod 120 and the valve flap 130 are integrally formed and have an anti-corrosion coating on the surface, and the anti-corrosion coating can improve the anti-corrosion capability and prolong the service life.

The working principle of the valve position indicating device and the valve is as follows: during the use, the hand wheel 1421 is rotated, the hand wheel 1421 drives the rotating shaft 142 to rotate, the rotating shaft 142 drives the first bevel gear 143 to rotate, the first bevel gear 143 is meshed to drive the second bevel gear 144 to rotate, the second bevel gear 144 drives the valve rod 120 to rotate, the valve rod 120 drives the valve clack 130 to open and close, simultaneously the valve rod 120 drives the threaded rod 220 to rotate, the threaded rod 220 drives the moving block 230 to move, the moving block 230 drives the connecting block 241 to move, the connecting block 241 drives the indicating head 250 to move, the indicating head 250 drives the brush board 270 to move, the brush board 270 cleans the scale plate 260 with dust, it is visible to guarantee the cleanness of the scale plate 260, thereby judge the valve switch condition according to the scale number of the scale plate 260 that the indicating head 250 indicates, thereby convenience is improved.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A valve position indicating device is characterized by comprising

The valve assembly (100), the valve assembly (100) comprises a valve casing (110), a valve rod (120), a valve flap (130) and a transmission case (140), one end of the valve rod (120) is arranged in the valve casing (110) in a penetrating mode, the valve flap (130) is arranged on the surface of the valve rod (120), the valve flap (130) is located in the valve casing (110), the transmission case (140) is arranged on the top of the valve casing (110), and the top end of the valve rod (120) penetrates through the transmission case (140);

the indicating assembly (200) comprises a shell (210), a threaded rod (220), a moving block (230), a connecting piece (240), an indicating head (250), a scale plate (260) and a brush plate (270), wherein the shell (210) is installed at the top of the transmission case (140), the threaded rod (220) is arranged at the top end of the valve rod (120), the moving block (230) is sleeved on the surface in a threaded manner, the connecting piece (240) is arranged on the outer side of the moving block (230), the indicating head (250) is installed on one side of the connecting piece (240), a strip-shaped hole (211) is formed in the shell (210), the indicating head (250) penetrates through the strip-shaped hole (211) in a sliding manner, the scale plate (260) is arranged on the outer side of the shell (210) and is close to the strip-shaped hole (211), the brush plate (270) is installed at one end of the indicating head (250), and the brush plate (270) contacts the scale plate (260).

2. The valve position indicating device of claim 1, wherein the connecting member (240) comprises a connecting block (241) and a fixing knob (242), the connecting block (241) is fixedly sleeved outside the moving block (230), and a screw of the fixing knob (242) penetrates one side of the connecting block (241) and abuts against the moving block (230).

3. The valve position indicating device according to claim 2, wherein a limiting sliding groove (212) is formed in the housing (210), a limiting sliding block (2411) is arranged on one side of the connecting block (241), and the limiting sliding block (2411) is in clearance fit with the inner wall of the limiting sliding groove (212).

4. A valve position indicating device according to claim 3, wherein the indicating head (250) comprises a connecting rod (251) and a triangular plate (252), one end of the connecting rod (251) is fixedly connected to the connecting block (241), and the triangular plate (252) is arranged at the other end of the connecting rod (251).

5. The valve position indicating device according to claim 1, wherein the transmission case (140) comprises a case body (141), a rotating shaft (142), a first bevel gear (143) and a second bevel gear (144), the case body (141) is fixedly connected to the top of the valve housing (110), one end of the rotating shaft (142) is rotatably disposed in the case body (141), the first bevel gear (143) is fixedly connected to the end of the rotating shaft (142), the second bevel gear (144) is fixedly sleeved outside the valve rod (120), and the first bevel gear (143) and the second bevel gear (144) are engaged with each other.

6. The valve position indicating device of claim 5, wherein a hand wheel (1421) is fixedly connected to an end of the rotating shaft (142) located outside the housing (141).

7. The valve position indicating device according to claim 1, wherein the number of the brush plates (270) is two, the two brush plates (270) are distributed on the upper and lower sides of the indicating head (250), the brush plates (270) comprise a moving plate (271) and bristles (272), the moving plate (271) is installed on one side of the indicating head (250), and the bristles (272) are arranged on one side of the moving plate (271) and contact the scale plate (260).

8. The valve position indicating device of claim 7, wherein the moving plate (271) is threaded with a fixing bolt (2711), and the fixing bolt (2711) is threadedly connected to the indicating head (250).

9. A valve position indicating device according to claim 1, wherein the valve stem (120) and the valve flap (130) are integrally formed and provided with an anti-corrosion coating on their surfaces.

10. The valve is characterized by comprising

The valve position indicating device of any one of claims 1-9.