CN214305538U - Built-in valve switch position observation structure - Google Patents

Built-in valve switch position observation structure Download PDF

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Publication number
CN214305538U
CN214305538U CN202021776062.9U CN202021776062U CN214305538U CN 214305538 U CN214305538 U CN 214305538U CN 202021776062 U CN202021776062 U CN 202021776062U CN 214305538 U CN214305538 U CN 214305538U
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CN
China
Prior art keywords
valve
switch position
valve rod
actuating mechanism
connecting flange
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Active
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CN202021776062.9U
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Chinese (zh)
Inventor
华建宇
黄志慧
李照
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Sichuan Feiqiu Group Co ltd
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Sichuan Feiqiu Group Co ltd
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Priority to CN202021776062.9U priority Critical patent/CN214305538U/en
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Abstract

The utility model discloses a built-in valve switch position observation structure, which comprises a valve body, a valve rod, a connecting flange and an actuating mechanism; the free end of the valve rod passes through the connecting flange and is connected with the actuating mechanism; the valve body is connected with the actuating mechanism through a connecting flange; a valve switch position mark is arranged on the valve rod and in the area outside the sealing component between the valve rod and the connecting flange; an observation hole opposite to the valve switch position mark is formed in the side wall of the connecting flange; the valve switch position mark corresponds to the current switch state of the valve. The utility model discloses a set up rectangle transverse groove and rectangle and erect the groove in the non-sealing region on the valve rod to set up the observation hole on the flange outer wall and cooperate, realize under the condition that does not dismantle actuating mechanism, observe directly perceivedly and differentiate the present on-off state of valve. The valve position can be quickly installed, maintained and replaced to ensure that the valve position is repositioned under the condition that the valve is not required to be detached from the pipeline when the actuating mechanism is installed or fails.

Description

Built-in valve switch position observation structure
Technical Field
The utility model relates to the technical field of valves, especially, relate to a built-in valve switch position observes structure.
Background
The connection mode of the existing valve and an actuating mechanism is as follows: the valve extends into the actuating mechanism through a connecting flange (gland) and a connecting bracket (transition disc) on the valve body to be connected with the actuating mechanism; the connecting flange (gland), the bracket (transition disc) and the actuating mechanism are positioned and connected into a whole. The actuating mechanism drives the valve rod to realize the opening and closing operation of the valve. This connection structure is inconvenient to visually observe the open and close states of the valve at the outside of the valve.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defect who exists, the utility model aims to provide a realize under the condition of not dismantling actuating mechanism, observe directly perceivedly and differentiate the built-in valve switch position observation structure of the current on-off state of valve.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the technical scheme is that the built-in valve switch position observation structure comprises a valve body, a valve rod, a connecting flange and an actuating mechanism; the free end of the valve rod penetrates through the connecting flange to be connected with the actuating mechanism; the valve body is connected with the actuating mechanism through a connecting flange; a valve switch position mark is arranged on the valve rod and in the area outside the sealing assembly between the valve rod and the connecting flange; an observation hole opposite to the valve switch position mark is formed in the side wall of the connecting flange; the valve switch position mark corresponds to the current switch state of the valve.
Further optimizing, the valve switch position marks are rectangular transverse grooves and rectangular vertical grooves which are arranged on the valve rod; the rectangular transverse groove corresponds to the full-open state of the valve; the rectangular vertical groove corresponds to the fully-closed state of the valve; the rectangular transverse grooves and the rectangular vertical grooves are mutually and uniformly distributed at 90 degrees on the circumferential surface of the valve rod.
Further preferably, a key groove is formed in the free end of the valve rod and is connected with the executing mechanism through the key groove; the vertical plane where the rectangular vertical groove is located is parallel to the vertical plane where the key groove is located on the free end of the valve rod.
Further optimization, the free end of the valve rod is of a square structure and is connected with the actuating mechanism through the square structure; the vertical plane where the rectangular transverse groove is located is parallel to the plane where the square structure on the free end of the valve rod is located.
Further preferably, the observation hole is perpendicular to the valve flow channel.
Further optimizing, set up the external screw thread plug screw on the observation hole.
The beneficial technical effects are as follows:
the utility model discloses a set up rectangle transverse groove and rectangle and erect the groove in the non-sealing region on the valve rod to set up the observation hole on the flange outer wall and cooperate, realize under the condition that does not dismantle actuating mechanism, observe directly perceivedly and differentiate the present on-off state of valve. The valve position can be quickly installed, maintained and replaced to ensure that the valve position is repositioned under the condition that the valve is not required to be detached from the pipeline when the actuating mechanism is installed or fails.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of the free end of the middle valve rod of the present invention connected with the actuating mechanism through the key slot.
Fig. 2 is a schematic view of the structure in the direction a in fig. 1.
Fig. 3 is a schematic structural diagram of direction B in fig. 1, that is, a structural diagram of a valve in a fully opened state.
Fig. 4 is a schematic structural diagram of direction B in fig. 1, that is, a structural diagram of a valve in a fully closed state.
Fig. 5 is a schematic structural view of the free end of the middle valve rod of the present invention connected to the actuator through a square structure.
Fig. 6 is a schematic view of the structure in the direction of C in fig. 5.
Fig. 7 is a schematic view of the structure in direction D in fig. 5, that is, the structure in the fully opened state of the valve.
Fig. 8 is a schematic view of the structure in direction D in fig. 5, that is, the structure in the fully closed state of the valve.
The labels in the figure are:
a valve body 1, a valve rod 2, a connecting flange 3, an actuating mechanism 4,
a rectangular transverse groove 5, a rectangular vertical groove 6, a key groove 7, a square structure 8, an observation hole 9,
an externally threaded plug screw 10.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Embodiment 1, as shown in fig. 1 to 4, the present invention is a built-in valve switch position observation structure, including a valve body 1, a valve rod 2, a connecting flange 3 and an actuator 4; the free end of the valve rod 2 passes through the connecting flange 3 and is connected with the actuating mechanism 4; the valve body 1 is connected with an actuating mechanism 4 through a connecting flange 3; a valve switch position mark is arranged in the area outside the sealing component between the valve rod 2 and the connecting flange 3; an observation hole 9 opposite to the valve switch position mark is formed in the side wall of the connecting flange 3; the valve switch position mark corresponds to the current switch state of the valve.
The valve switch position marks are a rectangular transverse groove 5 and a rectangular vertical groove 6 which are arranged on the valve rod 2; the rectangular transverse groove 5 corresponds to the full-open state of the valve; the rectangular vertical groove 6 corresponds to the fully-closed state of the valve; the rectangular transverse grooves 5 and the rectangular vertical grooves 6 are mutually and uniformly distributed at 90 degrees on the circumferential surface of the valve rod 2.
As shown in fig. 3, a key slot 7 is formed in the free end of the valve rod 2, and the free end is connected with the actuating mechanism 4 through the key slot 7; the vertical plane of the rectangular vertical slot 6 is parallel to the vertical plane of the key slot 7 on the free end of the valve rod 2.
The viewing aperture 9 is perpendicular to the valve flow channel.
And an external thread plug screw 10 is arranged on the observation hole 9.
Actuating mechanism 4 realizes the on-off operation of valve rod 2 through the drive to valve rod 2, makes the rectangle cross slot 5 or the rectangle on the valve rod 2 erect groove 6 and observe the hole 9 relatively, after taking off external screw thread plug screw 10, to seeing in observing the hole 9 that present valve rod 2 is last to be rectangle cross slot 5 or the rectangle erects groove 6, can observe directly perceivedly and judge the full open or the totally closed state of valve. Through the observation hole 9, the transverse groove or the vertical groove in the observation hole area is observed, and whether the valve is opened or closed in place can be visually observed. The rectangular transverse groove 5 can be painted with green paint, and the mark is 'on'; the rectangular vertical slot 6 is painted with red paint, marked as "off".
Embodiment 2, as shown in fig. 5-8, the connection mode of the valve rod and the actuator is optimally designed on the basis of embodiment 1, and the free end of the valve rod 2 is provided with a square structure 8 and is connected with the actuator 4 through the square structure 8; the plane where the square structure 8 is located on the vertical plane where the rectangular transverse groove 5 is located and the free end of the valve rod 2 is parallel, and in the installation process of the actuating mechanism on the valve, the quick identification and determination of the valve position by an operator are facilitated, so that the valve is convenient to install.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides a built-in valve switch position observes structure which characterized in that: comprises a valve body, a valve rod, a connecting flange and an actuating mechanism; the free end of the valve rod penetrates through the connecting flange to be connected with the actuating mechanism; the valve body is connected with the actuating mechanism through a connecting flange; a valve switch position mark is arranged on the valve rod and in the area outside the sealing assembly between the valve rod and the connecting flange; an observation hole opposite to the valve switch position mark is formed in the side wall of the connecting flange; the valve switch position mark corresponds to the current switch state of the valve.
2. The built-in valve switch position observation structure according to claim 1, wherein: the valve switch position marks are rectangular transverse grooves and rectangular vertical grooves which are arranged on the valve rod; the rectangular transverse groove corresponds to the full-open state of the valve; the rectangular vertical groove corresponds to the fully-closed state of the valve; the rectangular transverse grooves and the rectangular vertical grooves are mutually and uniformly distributed at 90 degrees on the circumferential surface of the valve rod.
3. The built-in valve switch position observation structure according to claim 2, wherein: a key groove is formed in the free end of the valve rod and is connected with the executing mechanism through the key groove; the vertical plane where the rectangular vertical groove is located is parallel to the vertical plane where the key groove is located on the free end of the valve rod.
4. The built-in valve switch position observation structure according to claim 2, wherein: the free end of the valve rod is of a square structure and is connected with the actuating mechanism through the square structure; the vertical plane where the rectangular transverse groove is located is parallel to the plane where the square structure on the free end of the valve rod is located.
5. The built-in valve switch position observation structure according to claim 1, wherein: the viewing aperture is perpendicular to the valve flow passage.
6. The built-in valve switch position observation structure according to claim 5, wherein: and an external thread plug screw is arranged on the observation hole.
CN202021776062.9U 2020-08-24 2020-08-24 Built-in valve switch position observation structure Active CN214305538U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021776062.9U CN214305538U (en) 2020-08-24 2020-08-24 Built-in valve switch position observation structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021776062.9U CN214305538U (en) 2020-08-24 2020-08-24 Built-in valve switch position observation structure

Publications (1)

Publication Number Publication Date
CN214305538U true CN214305538U (en) 2021-09-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021776062.9U Active CN214305538U (en) 2020-08-24 2020-08-24 Built-in valve switch position observation structure

Country Status (1)

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CN (1) CN214305538U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115523059A (en) * 2022-09-21 2022-12-27 西安航天动力研究所 Visual high-precision positioning anti-rotation structure and use method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115523059A (en) * 2022-09-21 2022-12-27 西安航天动力研究所 Visual high-precision positioning anti-rotation structure and use method
CN115523059B (en) * 2022-09-21 2024-08-13 西安航天动力研究所 Visual high-precision positioning anti-rotation structure and use method thereof

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