CN215410495U

CN215410495U - Indicating device capable of indicating opening degree of valve

Info

Publication number: CN215410495U
Application number: CN202122207614.5U
Authority: CN
Inventors: 郑祥华; 郑笑愉
Original assignee: Wenzhou Xinsen Special Steel Co ltd
Current assignee: Wenzhou Xinsen Special Steel Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-01-04
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses an indicating device capable of indicating the opening degree of a valve, which comprises a valve body, wherein a connecting seat is arranged on the valve body, a fastening piece is arranged on the connecting seat, and a valve rod arranged on the connecting seat is fixed on the valve body through the threaded matching of the fastening piece and the connecting seat; the upper surface of the fastener is also provided with a turntable; the valve rod is also provided with a spline, and the spline is in adaptive connection with a spline groove arranged in the rotary disc through the spline, so that the rotary disc and the valve rod can synchronously move; the scale value arranged on the rotary disc is indicated by the pointer arranged on the connecting seat, so that the opening size of the valve body can be determined according to the scale value; meanwhile, a disc is further arranged on the valve rod, a fixing frame used for placing a lens is arranged on the disc, and the scale value on the rotary disc is amplified through the lens, so that a user can clearly read the numerical value on the rotary disc, the accuracy of the opening degree of the valve body is further improved, and the flow rate of a control medium can be reliably controlled by the valve body. Therefore, the utility model is worthy of popularization and application.

Description

Indicating device capable of indicating opening degree of valve

Technical Field

The utility model relates to the technical field of valve production, in particular to an indicating device capable of indicating the opening degree of a valve.

Background

The opening degree of the valve core of the existing valve is usually judged by a technician, a reliable basis is lacked, the opening degree of the valve is difficult to effectively control, and the flow rate of a medium in the valve is difficult to accurately control.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an indicating device capable of indicating the opening of a valve, so as to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: an indicating device capable of indicating the opening degree of a valve comprises a valve body, wherein a connecting seat is arranged on the valve body; the connecting seat is provided with a fastener, and the valve rod is fixed on the valve body through the threaded fit of the fastener and the connecting seat; the upper surface of the fastener is also provided with a turntable; a through hole is formed in the circle center of the turntable, and a spline groove is formed in the inner wall surface of the through hole; the valve rod is also provided with a spline, and the spline is in fit connection with the spline groove, so that the rotary disc and the valve rod move synchronously; the scale value arranged on the rotary disc is indicated through the pointer arranged on the connecting seat, so that the opening size of the valve body can be determined according to the scale value; still be equipped with the disc on the valve rod, just be equipped with the mount that is used for placing the lens on the disc, enlarge through the lens the scale interval to improve the user and read the rate of accuracy of scale interval.

As a preferred technical scheme of the utility model: the connecting seat is further provided with a support, and the pointer is fixed on the upper end face of the support through threaded matching of the support and the bolt.

As a preferred technical scheme of the utility model: the upper end face of the support is provided with a notch, the central axis of the notch is parallel to the central axis of the valve body, and the notch is connected with a bolt arranged on the pointer in an adaptive mode, so that the initial position of the pointer is fixed.

As a preferred technical scheme of the utility model: an adjusting area is formed between the bottom surface of the disc and the upper end surface of the spline, and the dial is moved into the adjusting area to rotate so as to adjust the relative position of the scale value and the pointer.

As a preferred technical scheme of the utility model: the valve rod comprises a first connecting end connected with the handle and a second connecting end connected with the valve core in the valve body; wherein the spline is located between the first connection end and the second connection end.

As a preferred technical scheme of the utility model: the fixing frame is also provided with a fixing groove for placing the lens conveniently.

By adopting the technical scheme, the utility model has the beneficial effects that: the scale value arranged on the rotary disc is indicated by the pointer arranged on the connecting seat, so that the opening size of the valve body can be determined according to the scale value; meanwhile, a disc is further arranged on the valve rod, a fixing frame used for placing a lens is arranged on the disc, and the scale value on the rotary disc is amplified through the lens, so that a user can clearly read the numerical value on the rotary disc, the accuracy of the opening degree of the valve body is further improved, and the flow rate of a control medium can be reliably controlled by the valve body.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a partially enlarged view of the exploded structure of the bracket and the pointer;

FIG. 3 is a schematic view of a portion of the valve stem of the present invention;

FIG. 4 is a cross-sectional view of a partial configuration of the valve stem of the present invention;

fig. 5 is an enlarged structural schematic view of the turntable of the utility model.

In the figure: 1. a valve body; 2. a support; 3. a fastener; 4. a pointer; 5. a turntable; 6. a valve stem; 60. a first connection end; 61. a disc; 62. fixing grooves; 63. a fixed mount; 64. a spline; 65. a second connection end; 66. a regulatory region; 7. a connecting seat; 8. a bolt; 9. a bolt; 10. a notch; 11. a spline groove; 12. a scale value; 13. and a through hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "upper surface", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, an embodiment of the present invention is shown: an indicating device capable of indicating the opening degree of a valve comprises a valve body 1, wherein a connecting seat 7 is arranged on the valve body 1; a fastening piece 3 is arranged on the connecting seat 7, and the valve rod 6 is fixed on the valve body 1 through the threaded fit between the fastening piece 3 and the connecting seat 7; the upper surface of the fastener 3 is also provided with a turntable 5; a through hole 13 is formed in the center of the circle of the turntable 5, and a spline groove 11 is formed in the inner wall surface of the through hole 13; the valve rod 6 is also provided with a spline 64, and the spline 64 is in fit connection with the spline groove 11, so that the rotary disc 5 and the valve rod 6 move synchronously; the scale value 12 arranged on the rotary disc 5 is indicated through the pointer 4 arranged on the connecting seat 7, so that the opening size of the valve body 1 can be determined according to the scale value; still be equipped with disc 61 on the valve rod 6, just be equipped with the mount 63 that is used for placing the lens on the disc 61, enlarge through the lens scale interval 12 to improve the user and read scale interval 12's rate of accuracy.

Through the scheme, the device accurately displays the rotating angle of the valve core, so that the opening degree of the valve body 1 can be determined, and the flow rate of a medium can be accurately controlled by controlling the angle of the valve core.

In addition, the rotary disc 5 is connected with the valve rod 6 through the spline 64 and the spline groove 11, so that when the valve rod 6 moves upwards, the rotary disc 5 can slide downwards along the spline 64, and therefore the problem that parts interfere with each other occurs when the device is used, and meanwhile, the rotation angle of the rotary disc 5 can be consistent with the rotation angle of the valve rod 6 due to the matching of the spline 64 and the spline groove 11.

In order to fix and install the pointer 4, the connecting seat 7 is further provided with a support 2, the pointer 4 is fixed on the upper end face of the support 2 through the threaded fit of the support 2 and a bolt 9, and the pointer 4 is stably and reliably fixed on the support 2 through the scheme, so that the initial position of the pointer 4 cannot be changed when the valve body 1 works.

Further, the up end of support 2 is equipped with notch 10, just the axis of notch 10 is parallel with the axis of valve body 1, and passes through notch 10 with 8 looks adaptation of the bolt that are equipped with on the pointer 4 are connected, so that the initial position of pointer 4 is fixed, through above-mentioned scheme for the initial position of the instruction of pointer 4 can be parallel with the axis of valve body 1, and further initial position of guarantee pointer 4 is stable motionless, and then has solved because of the vibrations of valve body 1, and lead to pointer 4 when instructing scale interval 12, the problem of deviation can appear.

Due to the fact that the adjusting area 66 is formed between the bottom face of the disc 61 and the upper end face of the spline 64, the dial 5 is moved into the adjusting area 66 to rotate, so that the relative position of the scale value 12 and the pointer 4 can be adjusted, through the scheme, the dial 5 is convenient to mount on the one hand, and the scale value 12 on the dial 5 can be adjusted and calibrated through the arrangement of the adjusting area 66 on the other hand.

In order to facilitate the connection of the valve rod 6 with the valve core and the handle, the valve rod 6 comprises a first connecting end 60 connected with the handle and a second connecting end 65 connected with the valve core inside the valve body 1; wherein the spline 64 is located between the first connection end 60 and the second connection end 65.

Because the fixing frame 63 is also provided with the fixing groove 62 for placing the lens conveniently, the lens can be flush with the upper surface of the fixing frame 63 after being placed, and the external structure of the device is optimized.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. An indicating device capable of indicating valve opening degree is characterized in that: the valve comprises a valve body (1), wherein a connecting seat (7) is arranged on the valve body (1);

a fastening piece (3) is arranged on the connecting seat (7), and a valve rod (6) is fixed on the valve body (1) through the threaded fit of the fastening piece (3) and the connecting seat (7);

the upper surface of the fastener (3) is also provided with a turntable (5); a through hole (13) is formed in the circle center of the rotary table (5), and a spline groove (11) is formed in the inner wall surface of the through hole (13);

the valve rod (6) is also provided with a spline (64), and the spline (64) is in fit connection with the spline groove (11) so that the rotary disc (5) and the valve rod (6) move synchronously;

the scale value (12) arranged on the rotary disc (5) is indicated through the pointer (4) arranged on the connecting seat (7), so that the opening size of the valve body (1) can be determined according to the scale value;

still be equipped with disc (61) on valve rod (6), just be equipped with on disc (61) and be used for placing mount (63) of lens, enlarge through the lens scale value (12) to improve the user and read the rate of accuracy of scale value (12).

2. The indicating device according to claim 1, wherein: the connecting seat (7) is further provided with a support (2), and the pointer (4) is fixed on the upper end face of the support (2) through the threaded fit of the support (2) and the bolt (9).

3. An indicating device for indicating an opening degree of a valve according to claim 2, wherein: the up end of support (2) is equipped with notch (10), just the axis of notch (10) is parallel with the axis of valve body (1), and passes through notch (10) with bolt (8) looks adaptation that are equipped with on pointer (4) is connected, so that the initial position of pointer (4) is fixed.

4. An indicating device for indicating an opening degree of a valve according to claim 1, 2 or 3, wherein: an adjusting area (66) is formed between the bottom surface of the disc (61) and the upper end surface of the spline (64), and the dial (5) is moved into the adjusting area (66) to rotate so as to adjust the relative position of the scale value (12) and the pointer (4).

5. The indicating device according to claim 4, wherein: the valve rod (6) comprises a first connecting end (60) connected with the handle and a second connecting end (65) connected with the valve core in the valve body (1); wherein the spline (64) is located between the first connection end (60) and the second connection end (65).

6. The indicating device according to claim 4, wherein: the fixing frame (63) is also provided with a fixing groove (62) for placing the lens conveniently.