Identification device for indicating opening and closing position of valve and valve

Abstract

The utility model relates to the field of valves, in particular to an identification device for indicating the opening and closing position of a valve and the valve. The identification device for indicating the opening and closing position of the valve comprises a shell and an indication plate, the shell is used for being connected to a valve body, the indication plate is rotationally connected into the shell through a connecting piece, the shell is provided with a through hole, the indication plate is provided with a mark, the mark is used for indicating the opening and closing amplitude of the valve, and the through hole is communicated with the through hole. Different positions of the marks can be exposed through the through holes by rotating the indicating plate; the valve is provided with the identification device used for indicating the opening and closing position of the valve, and the identification device used for indicating the opening and closing position of the valve is connected to the valve body of the valve through the shell. Through the arrangement, the possibility that production accidents are easily caused by pressure building or accidental release due to the fact that an operator easily judges the opening and closing position of the valve by mistake is reduced.

Description

Technical Field

[0001] The utility model relates to the field of valves, and particularly to an identification device and a valve for indicating the opening and closing positions of valves. Background Art

[0002] In the processes of oil and gas extraction, transportation, refining and chemical processing, pipelines are used for transportation, and valves are used to control the oil and gas in the pipelines to achieve the purposes of fluid diversion and throttling. In the technological process, valves with various functions such as forward, reverse, exposed stem, hidden stem, and throttling are required.

[0003] In the prior art, the switch indicator board for indicating the opening and closing positions of valves only has markings such as "open", "closed", "OFF", "ON", etc., and usually uses a page-turning or sliding method to switch the switch markings. The content shown by the switch markings is single. Due to the large variety and quantity of valves, it is easy to confuse the positions of different valve switches after operating the valves. When operating again later, the operators are prone to misjudge the opening and closing positions of the valves, resulting in pressure buildup or accidental release, which is likely to cause production accidents. At the same time, the indicator board used in the prior art is attached to the valve body by a button magnet and is easily dropped by external forces. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the defects in the prior art that the content shown by the switch markings is single, and due to the large variety and quantity of valves, it is easy to confuse the positions of different valve switches after operating the valves, and when operating again later, the operators are prone to misjudge the opening and closing positions of the valves, and to provide an identification device and a valve for indicating the opening and closing positions of valves.

[0005] In a first aspect, the utility model provides an identification device for indicating the opening and closing positions of valves, including a housing and an indicator board. The housing is used for connecting to a valve body. The indicator board is rotatably connected to the inside of the housing through a connecting member. The housing is provided with a through hole, and the indicator board is provided with markings. The markings are used to indicate the amplitude of the valve opening and closing. Rotating the indicator board can expose different positions of the markings through the through hole.

[0006] By setting that the housing can be connected to the valve body, it is convenient to operate the device in a timely manner when operating the valve, improving the convenience of device operation; the indicator board can be rotatably connected inside the housing, so that the housing plays a protective role for the indicator board, reducing the probability of deformation of the indicator board caused by factors such as external environmental erosion; by enabling the indicator board to rotate, it is convenient to indicate the position where the valve is opened or closed by rotating the indicator board, improving the convenience of device use; by using the mark to indicate the amplitude of the valve opening and closing, the opening and closing position of the valve can be quickly known; by rotating the indicator board, different positions of the mark can be exposed through the through hole, and the mark on the indicator board includes several identification areas for indicating the opening and closing positions, and the identification areas are distributed at different positions on the indicator board. The mark rotates with the rotation of the indicator board, so that the identification areas are exposed or hidden through the through hole, and the identification area indicating the current opening and closing position is exposed through the through hole, and the rest of the indicator board is blocked by the housing, further improving the intuitiveness of the device for recording the opening and closing position of the valve, facilitating the operator to quickly identify the opening and closing position of the valve, and reducing the probability of misjudging the opening and closing position of the valve.

[0007] Furthermore, the connection method between the housing and the valve body can be a fixed connection or a detachable connection.

[0008] During use, install the device on the valve body. When the operator rotates the valve switch, according to the amplitude of the valve switch rotation, rotate the indicator board, so that the mark on the indicator board is exposed through the through hole on the housing, thereby recording the position where the valve is opened or closed. When the valve is operated again later, through the said device, the current opening and closing position of the valve can be identified, and then the operation can be carried out, reducing the possibility that the operator is prone to misjudge the opening and closing position of the valve, resulting in pressure buildup or accidental release, which is likely to cause production accidents.

[0009] The housing includes a bottom plate and a top plate. The indicator board is arranged at an interval between the bottom plate and the top plate. The bottom plate can be connected to the valve body. The through hole is arranged on the top plate. The bottom plate is connected to the top plate through the connecting piece.

[0010] Furthermore, the edges of the top plate and the bottom plate can also be connected by means of snap connection or screwing.

[0011] By setting the bottom plate and the top plate, the assembly and disassembly process of the housing can be made simpler, facilitating maintenance, and the design of the bottom plate and the top plate can improve the modularity of the device, enabling the bottom plate and the top plate to be replaced independently.

[0012] The connecting member includes a first connecting member and a second connecting member. The first connecting member is connected to the bottom plate, and the second connecting member is connected to the top plate. The first connecting member can be connected to the second connecting member. A limiting groove is provided at the connection of the first connecting member and the second connecting member. The connecting member penetrates through the indicating plate, and the limiting groove is used to limit the axial movement of the indicating plate along the indicating plate.

[0013] Further, the connecting member can be a columnar connecting member or a cubic connecting member.

[0014] By setting the top plate and the bottom plate to be connected by a connecting member and using the connecting member to penetrate through the indicating plate, the alignment accuracy between the top plate, the bottom plate and the indicating plate can be improved, and the accuracy of the device indication can be improved; by setting the limiting groove to limit the axial movement of the indicating plate, the rotation of the indicating plate in the plane where the limiting groove is located is further restricted, and the probability of excessive movement or misalignment of the limiting plate is reduced.

[0015] The housing and the indicating plate are concentrically arranged, and the connecting member is arranged at the center point of the housing.

[0016] By concentrically arranging the housing and the indicating plate, the balance of the device is improved, and the instability caused by the center of gravity deviation is reduced; by arranging the connecting member at the center point of the housing, the connecting member can distribute the load more evenly, and the local stress concentration is reduced.

[0017] Further, the housing and the indicating plate can be eccentrically arranged.

[0018] A baffle is provided at the edge of the bottom plate, and the edge of the top plate can contact the inner wall of the baffle.

[0019] By providing the baffle, the possibility of the indicating plate falling due to the loosening of the connecting member can be reduced, and the reliability of the device is improved.

[0020] An indicating mark is provided on the bottom plate or the top plate.

[0021] By providing the indicating mark, the indication accuracy of the valve opening and closing position can be further improved.

[0022] Further, the indicating mark can be provided on the top plate or the bottom plate.

[0023] A fixing portion is provided on the surface of the bottom plate that contacts the valve body.

[0024] By providing the fixing portion, the device can be easily fixed to the valve body, the firmness of the device installed on the valve body is improved, and the convenience of using the device is improved.

[0025] Further, the fixing portion can be a fixing strap or a clamp, etc.

[0026] The through hole is a sector with the center point of the top plate as the center of the circle.

[0027] By setting the through hole as a sector, when the indicator plate rotates, the sector can have a better effect of displaying the mark.

[0028] Furthermore, the through hole can also be square, circular or the like.

[0029] The top plate is provided with a locking portion.

[0030] By providing the locking portion on the top plate, after rotating the indicator plate to a suitable position, operating the locking portion enables the locking portion to abut against the indicator plate, thereby restricting the rotation of the indicator plate, reducing the deviation caused by the movement of the indicator plate due to factors such as vibration, and improving the reliability of the device.

[0031] Furthermore, the locking portion is a limit hole and a limit pin that can cooperate with the limit hole, and can also be set as a limit bolt or the like.

[0032] In a second aspect, the present invention further provides a valve, provided with the identification device for indicating the opening and closing position of the valve, and the identification device for indicating the opening and closing position of the valve is connected to the valve body of the valve through the housing.

[0033] By providing the identification device for indicating the opening and closing position of the valve on the valve, compared with the prior art which usually switches the opening and closing identification by means of turning pages or sliding, the valve can indicate the amplitude of the opening and closing of the valve, enabling the operator to quickly identify the opening and closing position of the valve and reducing misoperation.

[0034] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0035] 1. The present invention provides an identification device for indicating the opening and closing position of a valve. By setting a mark for indicating the amplitude of the opening and closing of the valve, rotating the indicator plate can expose the mark through the through hole, facilitating the operator to quickly identify the opening and closing position of the valve and reducing the probability of misjudging the opening and closing position of the valve;

[0036] 2. The present invention provides a valve, provided with the identification device for indicating the opening and closing position of the valve. By this setting, it reduces the possibility that the operator is prone to misjudge the opening and closing position of the valve, thereby causing pressure buildup or accidental release, which is likely to cause production accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a three-dimensional schematic diagram of the identification device for indicating the opening and closing position of the valve according to Embodiment 1 provided by the present invention.

[0038] Figure 2Schematic perspective view of the bottom plate of Embodiment 1 provided by the present utility model.

[0039] Figure 3 Schematic perspective view of the indicator board of Embodiment 1 provided by the present utility model.

[0040] Figure 4 Schematic perspective view of the connecting piece of Embodiment 1 provided by the present utility model.

[0041] Figure 5 Schematic perspective view of the first connecting piece of Embodiment 1 provided by the present utility model.

[0042] Figure 6 Schematic perspective view of the second connecting piece of Embodiment 1 provided by the present utility model.

[0043] Figure 7 Bottom view of the identification device for indicating the valve opening and closing position of Embodiment 1 provided by the present utility model.

[0044] Figure 8 Schematic perspective view of the connecting piece of Embodiment 2 provided by the present utility model.

[0045] Figure 9 Schematic perspective view of the identification device for indicating the valve opening and closing position of Embodiment 3 provided by the present utility model.

[0046] Figure 10 Schematic perspective view of the identification device for indicating the valve opening and closing position of Embodiment 4 provided by the present utility model.

[0047] Markings in the figure:

[0048] 1 - housing, 11 - bottom plate, 12 - top plate, 121 - locking part, 13 - indicator, 14 - fixing part, 2 - indicator board, 3 - connecting piece, 31 - first connecting piece, 32 - second connecting piece. Detailed implementation manners

[0049] The present utility model will be further described in detail below in conjunction with specific embodiments. However, this should not be construed as limiting the scope of the above-mentioned subject matter of the present utility model to the following embodiments. All technologies implemented based on the content of the present utility model belong to the scope of the present utility model.

[0050] Unless otherwise specified, in the description of the specific embodiments of the present utility model, the terms indicating the orientation or positional relationship, such as "upper", "lower", "left", "right", "center", "inner", "outer", etc., are all based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product / device / equipment of the present utility model is commonly used. These terms of orientation or positional relationship are only for the convenience of describing the solution of the present utility model or simplifying the description in the specific embodiments, so as to facilitate technicians to quickly understand the solution, rather than indicating or implying that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific positional relationship. Therefore, it should not be construed as a limitation to the present utility model.

[0051] In addition, when terms such as "horizontal", "vertical", "hanging", "parallel" appear, it does not mean that the corresponding device / component / element is required to be absolutely horizontal or vertical or hanging or parallel, but it can be slightly inclined or have a deviation. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but it can be slightly inclined. Or, it can be simply understood that the corresponding device / component / element is arranged in the directions of "horizontal", "vertical", "hanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably within ±8%, more preferably within ±6%, more preferably within ±5%, more preferably within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still play its role in the solution of the present utility model.

[0052] In addition, when terms such as "first", "second", "third", etc. appear, they are only used to distinguish the description of the same or similar components, and should not be construed as emphasizing or implying the relative importance of a specific component.

[0053] In addition, in the description of the embodiments of the present utility model, "several", "multiple", "a number of" represent at least 2. It can be any situation such as 2, 3, 4, 5, 6, 7, 8, 9, etc., or even more than 9.

[0054] In addition, in the description of the technical solution of the present utility model, unless otherwise clearly specified / defined / restricted, when terms such as "set", "installed", "connected", "connected", "provided with", "laid", "arranged" appear, they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be connection means commonly used in the art such as welding, riveting, bolting, threaded connection, etc. This connection can be a mechanical connection, an electrical connection or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements.

[0055] Example 1

[0056] As shown in the Figure 1-7 accompanying drawings, an identification device for indicating the on / off position of a valve includes a housing 1 and an indicator plate 2. Both the housing 1 and the indicator plate 2 are circular. The housing 1 is used to be connected to the valve body. The indicator plate 2 is rotatably connected to the inside of the housing 1 through a connecting member 3. The housing 1 is provided with a through hole. The indicator plate 2 is provided with markings. The markings are equally divided into an opening identification area, a closing identification area, and a valve position opening identification area, and there are obvious boundaries among the three areas. The valve position opening identification area is provided with scale markings. The through hole can completely display the valve position opening identification area. The opening identification area is provided with "Open", and the closing identification area is provided with "Closed". The markings are respectively used to indicate the amplitude of the valve opening and closing. Rotating the indicator plate 2 can make different identification areas of the markings be exposed through the through hole.

[0057] By setting that the housing 1 can be connected to the valve body, it is convenient to operate the device in a timely manner when operating the valve, improving the convenience of device operation; the indicator plate 2 can be rotatably connected to the inside of the housing 1, so that the housing 1 plays a protective role for the indicator plate 2, reducing the probability of deformation of the indicator plate 2 caused by factors such as external environmental erosion; by enabling the indicator plate 2 to rotate, it is convenient to indicate the position where the valve is opened or closed by rotating the indicator plate 2, improving the convenience of device use; by making the markings be used to indicate the amplitude of the valve opening and closing, the on / off position of the valve can be intuitively known; by rotating the indicator plate 2, the markings can be exposed through the through hole. The markings on the indicator plate 2 are exposed or hidden through the through hole as it rotates, so that the markings indicating the current on / off position are exposed through the through hole, and the rest of the indicator plate 2 is blocked by the housing 1, further improving the intuitiveness of the device for recording the on / off position of the valve, facilitating the operator to quickly identify the on / off position of the valve, and reducing the probability of misjudging the on / off position of the valve.

[0058] Furthermore, the housing 1 is detachably connected to the valve body.

[0059] During use, install the device on the valve body. When the operator rotates the valve switch, according to the amplitude of the valve switch rotation, rotate the indicator plate 2, so that the markings on the indicator plate 2 are exposed through the through hole on the housing 1, thereby recording the position where the valve is opened or closed. When the valve is operated again later, through the said device, the current on / off position of the valve can be identified, and then the operation can be carried out, reducing the possibility that the operator is prone to misjudge the on / off position of the valve, resulting in pressure buildup or accidental release, which is likely to cause production accidents.

[0060] The housing 1 includes a bottom plate 11 and a top plate 12. The indicator plate 2 is disposed at an interval between the bottom plate 11 and the top plate 12. The bottom plate 11 can be connected to the valve body. The through hole is provided in the top plate 12. The bottom plate 11 is connected to the top plate 12 through the connecting member 3.

[0061] By providing the bottom plate 11 and the top plate 12, the assembly and disassembly process of the housing 1 can be made simpler, facilitating maintenance. Moreover, the design of the bottom plate 11 and the top plate 12 can improve the modularity of the device, enabling the bottom plate 11 and the top plate 12 to be replaced independently.

[0062] The connecting member 3 includes a first connecting member 31 and a second connecting member 32. The first connecting member 31 is connected to the bottom plate 11, and the second connecting member 32 is connected to the top plate 12. The first connecting member 31 can be connected to the second connecting member 32. A limiting groove is provided at the connection between the first connecting member 31 and the second connecting member 32. The connecting member 3 penetrates through the indicator plate 2. The limiting groove is used to restrict the axial movement of the indicator plate 2 along the indicator plate 2.

[0063] Further, the connecting member 3 is a columnar connecting member 3.

[0064] By providing that the top plate 12 and the bottom plate 11 are connected through the connecting member 3 and using the connecting member 3 to penetrate through the indicator plate 2, the alignment accuracy between the top plate 12, the bottom plate 11, and the indicator plate 2 can be improved, enhancing the accuracy of the device indication. By providing the limiting groove to restrict the axial movement of the indicator plate 2, the rotation of the indicator plate 2 in the plane where the limiting groove is located is further restricted, reducing the probability of excessive movement or misalignment of the limiting plate.

[0065] The housing 1 and the indicator plate 2 are concentrically arranged, and the connecting member 3 is disposed at the center point of the housing 1.

[0066] By concentrically arranging the housing 1 and the indicator plate 2, the balance of the device is improved, reducing instability caused by the offset of the center of gravity. By disposing the connecting member 3 at the center point of the housing 1, the connecting member 3 can distribute the load more evenly, reducing local stress concentration.

[0067] A baffle is provided at the edge of the bottom plate 11, and the edge of the top plate 12 can contact the inner wall of the baffle.

[0068] By providing the baffle, the possibility of the indicator plate 2 falling due to the loosening of the connecting member 3 can be reduced, improving the reliability of the device.

[0069] The bottom plate 11 is provided with an indicating mark 13.

[0070] By providing the indicating mark 13, the indication accuracy of the valve opening and closing position can be further improved.

[0071] One side of the bottom plate 11 in contact with the valve body is provided with a fixing part 14.

[0072] By providing the fixing part 14, it is convenient to fix the device to the valve body, improving the firmness of the device installed on the valve body and the convenience of using the device.

[0073] Further, the fixing part 14 is a fixing strap.

[0074] The through hole is a sector with the center point of the top plate 12 as the center of the circle. The radius of the sector is the radius of the indicator plate 2, and the area of the sector is 1 / 3 of the area of the indicator plate 2.

[0075] By setting the through hole as a sector, when the indicator plate 2 rotates, the sector can have a better effect of displaying the mark.

[0076] Embodiment 2

[0077] This embodiment provides an identification device for indicating the opening and closing position of a valve. This embodiment is basically the same as the identification device for indicating the opening and closing position of a valve provided in Embodiment 1, except that, as shown in the appendix Figure 8 The connecting piece 3 is integrally provided, and the connecting piece 3 is not provided with a limiting groove.

[0078] Embodiment 3

[0079] This embodiment provides an identification device for indicating the opening and closing position of a valve. This embodiment is basically the same as the identification device for indicating the opening and closing position of a valve provided in Embodiment 1, except that, as shown in the appendix Figure 9 The indicating mark 13 is arranged on the top plate 12.

[0080] Embodiment 4

[0081] This embodiment provides an identification device for indicating the opening and closing position of a valve. This embodiment is basically the same as the identification device for indicating the opening and closing position of a valve provided in Embodiment 1, except that, as shown in the appendix Figure 10 The top plate 12 is provided with a locking part 121.

[0082] Further, the locking part 121 is a limiting hole and a limiting pin that can cooperate with the limiting hole

[0083] By providing the locking part 121 on the top plate 12, after rotating the indicator plate 2 to a suitable position, insert the limiting pin into the limiting hole so that the limiting pin abuts against the indicator plate 2, thereby restricting the rotation of the indicator plate 2 and reducing the deviation caused by the movement of the indicator plate 2 due to factors such as vibration, improving the reliability of the device.

[0084] Embodiment 5

[0085] A valve is provided with the identification device for indicating the opening and closing position of the valve. Through this setting, it reduces the possibility that operators are prone to misjudge the opening and closing position of the valve, thus causing pressure buildup or accidental release, which is likely to cause production accidents.

[0086] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A marking device for indicating the switch position of a valve, characterized in that: The invention comprises a shell (1) and an indicator plate (2), wherein the shell (1) is used to be connected to a valve body, and the indicator plate (2) is rotatably connected to the shell (1) via a connecting member (3). The shell (1) is provided with a through hole, and the indicator plate (2) is provided with a mark, wherein the mark is used to indicate the amplitude of the valve opening and closing, and the indicator plate (2) can be rotated to make different positions of the mark appear through the through hole.

2. A marking device for indicating the switch position of a valve according to claim 1, characterized in that: The shell (1) comprises a bottom plate (11) and a top plate (12); the indicator plate (2) is arranged between the bottom plate (11) and the top plate (12); the bottom plate (11) can be connected to the valve body; the through hole is arranged on the top plate (12); and the bottom plate (11) is connected to the top plate (12) via the connecting member (3).

3. A marking device for indicating the switch position of a valve according to claim 2, characterized in that: The connecting member (3) comprises a first connecting member (31) and a second connecting member (32), wherein the first connecting member (31) is connected to the bottom plate (11), and the second connecting member (32) is connected to the top plate (12), the first connecting member (31) can be connected to the second connecting member (32), a limiting groove is provided at the connection between the first connecting member (31) and the second connecting member (32), the connecting member (3) passes through the indicating plate (2), and the limiting groove is used to limit the axial movement of the indicating plate (2) along the indicating plate (2).

4. A marking device for indicating the switch position of a valve according to claim 2 or 3, characterized in that: The shell (1) and the indicator plate (2) are arranged concentrically, and the connecting member (3) is arranged at the center point of the shell (1).

5. A marking device for indicating the switch position of a valve according to claim 4, characterized in that: The edge of the bottom plate (11) is provided with a baffle, and the edge of the top plate (12) can contact the inner wall of the baffle.

6. A marking device for indicating the switch position of a valve according to claim 4, characterized in that: The bottom plate (11) or the top plate (12) is provided with an indicator mark (13).

7. A marking device for indicating the switch position of a valve according to claim 4, characterized in that: A fixing portion (14) is provided on a side of the bottom plate (11) that contacts the valve body.

8. A marking device for indicating the switch position of a valve according to claim 4, characterized in that: The through hole is in the shape of a sector with the center point of the top plate (12) as the center.

9. A marking device for indicating the switch position of a valve according to claim 4, characterized in that: The top plate (12) is provided with a locking portion (121).

10. A valve, characterized in that: A marking device for indicating a valve switch position as claimed in any one of claims 1 to 9 is provided, wherein the marking device for indicating a valve switch position is connected to a valve body of the valve through the housing (1).

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