CN219656809U

CN219656809U - Valve position measuring device of single seat valve

Info

Publication number: CN219656809U
Application number: CN202320796831.9U
Authority: CN
Inventors: 孙新宇; 刘斌; 王丹丹
Original assignee: Wuxi Lapool Technology Co ltd
Current assignee: Wuxi Lapool Technology Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-09-08
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to a valve displacement measuring device of a single-seat valve. The utility model comprises a straight rod; the clamping structure is connected to the straight rod and used for clamping a valve rod to be detected; the guide post is arranged perpendicular to the straight rod and is provided with a clamping structure for clamping the valve to be detected; the detection mechanism comprises a magnetic grating ruler which is arranged in parallel with the guide post and connected with the guide post and an induction block connected with the straight rod; when the clamping structure clamps the valve rod to be detected, the guide post is parallel to the valve rod to be detected, and when the valve rod to be detected is displaced, the induction block can generate the same displacement on the magnetic grating ruler, and the induction block can convert the magnetization signal of the magnetic grating ruler into an electric signal to realize displacement measurement. The utility model has the advantages of convenient and quick detection and high detection result precision, and improves the quality of products and the later maintenance rate.

Description

Valve position measuring device of single seat valve

Technical Field

The utility model relates to the technical field of clamps, in particular to a valve displacement measuring device of a single seat valve.

Background

In recent years, single seat valves have been diversified, and therefore, it has been necessary to check the displacement distance of the valve stem at the time of shipment or maintenance. The measurement mode commonly used at present is to use a tape measure commonly used in the market, however, because the valve rod is positioned in the valve, the mode is not accurate enough, and only an approximate result can be obtained through visual comparison. This may lead to inaccurate measurements, which may affect the maintenance of the product, seriously affecting the performance of subsequent maintenance work.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to solve the problem of lower accuracy in the prior art in a mode of measuring the displacement distance of the valve rod by the tape measure.

In order to solve the above technical problems, the present utility model provides a valve displacement measuring device of a single seat valve, comprising:

a straight rod;

the clamping structure is connected to the straight rod and used for clamping a valve rod to be detected;

the guide post is arranged perpendicular to the straight rod and is provided with a clamping structure for clamping the valve to be detected;

the detection mechanism comprises a magnetic grating ruler which is arranged in parallel with the guide post and connected with the guide post and an induction block connected with the straight rod;

when the clamping structure clamps the valve rod to be detected, the guide pillar is parallel to the valve rod to be detected, and when the valve rod to be detected is displaced, the sensing block can generate the same displacement on the magnetic grating ruler, and the sensing block can convert a magnetization signal of the magnetic grating ruler into an electric signal to realize displacement measurement.

In one embodiment of the utility model, the induction device further comprises a connecting rod vertically arranged on the straight rod, a universal joint is arranged between the connecting rod and the straight rod, the connecting rod is connected with a connecting plate, and the induction block is connected with the connecting rod through the connecting plate.

In one embodiment of the utility model, the detection mechanism further comprises a bearing bracket connected to the guide post and a mounting bracket connected to the bearing bracket, wherein the mounting bracket is provided with a groove which is inserted and matched with the magnetic grating ruler.

In one embodiment of the utility model, the clamping structure comprises a clamping block, the clamping block is provided with a U-shaped groove, the U-shaped groove comprises a first inner wall and a second inner wall which are oppositely arranged, the first inner wall is connected with a locking piece, and the second inner wall is provided with a base plate connected with the locking piece.

In one embodiment of the present utility model, the locking member comprises a quincuncial glue head screw.

In one embodiment of the utility model, the clamping structure comprises a first hoop and a second hoop, wherein V-shaped grooves are formed in the first hoop and the second hoop, and the valve rod to be detected is clamped through the V-shaped grooves of the first hoop and the second hoop.

In one embodiment of the utility model, the straight rod comprises a first end and a second end which are axially and oppositely arranged, a switching block and a locking screw are connected between the first end of the straight rod and the clamping structure, and a plum blossom knob is connected with the second end of the straight rod.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

the valve displacement measuring device of the single seat valve can convert the displacement of the valve rod into the displacement of the sensing block, and convert the magnetization signal of the magnetic grating ruler into an electric signal through the sensing block to be transmitted to the detection circuit, so as to realize displacement measurement. The utility model has the advantages of convenient and quick detection and high detection result precision, and improves the quality of products and the later maintenance rate.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

FIG. 1 is a front view of a valve displacement measurement fixture of the single seat valve of the present utility model.

FIG. 2 is a side view of a valve displacement measurement fixture of the single seat valve of the present utility model.

Description of the specification reference numerals:

1. a straight rod; 11. a transfer block; 12. a locking screw; 13. plum blossom knob;

2. a clamping structure; 21. the first hoop; 22. the second hoop; 23. a V-shaped groove;

3. a guide post; 31. a set screw; 32. a gasket;

4. a detection mechanism; 41. a magnetic grating ruler; 42. an induction block; 43. a bearing support; 44. a mounting bracket; 441. a groove;

5. a connecting rod;

6. a universal joint;

7. a connecting plate;

8. a clamping structure; 81. a clamping block; 82. a U-shaped groove; 83. a locking member; 84. a backing plate.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

In the present utility model, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present utility model, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present utility model, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present utility model, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 2, a valve displacement measuring device of a single seat valve according to the present utility model includes:

a straight rod 1;

the clamping structure 2 is connected to the straight rod 1, and the clamping structure 2 is used for clamping a valve rod to be detected;

the guide post 3 is arranged perpendicular to the straight rod 1, and the guide post 3 is provided with a clamping structure 8 for clamping the valve to be detected;

the detection mechanism 4 comprises a magnetic grating ruler 41 which is arranged in parallel with the guide post 3 and connected with the guide post, and an induction block 42 which is connected with the straight rod 1;

when the clamping structure 2 clamps the valve rod to be detected, the guide post 3 is parallel to the valve rod to be detected, and when the valve rod to be detected is displaced, the sensing block 42 can generate the same displacement on the magnetic grating ruler 41, and the sensing block 42 can convert the magnetization signal of the magnetic grating ruler 41 into an electric signal to realize displacement measurement.

Specifically, the device further comprises a connecting rod 5 vertically arranged on the straight rod 1, a universal joint 6 is arranged between the connecting rod 5 and the straight rod 1, the connecting rod 5 is connected with a connecting plate 7, and the sensing block 42 is connected with the connecting rod 5 through the connecting plate 7.

Specifically, the detection mechanism 4 further includes a bearing bracket 43 connected to the guide post 3 and a mounting bracket 44 connected to the bearing bracket 43, the mounting bracket 44 is provided with a groove 441 inserted into the magnetic grating ruler 41, and the sensing block 42 may be supported on an upper end surface of the magnetic grating ruler 41 and slide along the upper end surface of the magnetic grating ruler 41, so as to ensure the vertical stability of the straight rod 1.

The position of the magnetic grating ruler 41 on the guide post 3 can be conveniently adjusted through the bearing bracket 43; one end of the guide post 3 far away from the clamping structure 8 is further connected with a fixing screw 31 and a washer 32, so that one end of the guide post 3 is conveniently fixed and limited (can be connected to other fixing surfaces and the like).

Specifically, the clamping structure 8 comprises a clamping block 81, the clamping block 81 is provided with a U-shaped groove 82, the U-shaped groove 82 comprises a first inner wall and a second inner wall which are oppositely arranged, the first inner wall is connected with a locking piece 83, and the second inner wall is provided with a base plate 84. In this embodiment, the locking member 83 includes a quincuncial glue head screw. By fixing the clamping block 81 in the proper position on the top end of the body of the valve to be detected, the guide post 3 is ensured to be parallel to the valve rod.

Specifically, the clamping structure 2 comprises a first hoop 21 and a second hoop 22, the first hoop 21 and the second hoop 22 are respectively provided with a V-shaped groove 23, the valve rod to be detected is clamped through the V-shaped grooves 23 of the first hoop 21 and the second hoop 22, the valve rod is hooped by adopting a V-shaped groove structure, and meanwhile, the first hoop 21 and the second hoop 22 are made of copper, so that the valve rod cannot be damaged.

Specifically, the straight rod 1 comprises a first end and a second end which are axially and oppositely arranged, an adapter 11 and a locking screw 12 are connected between the first end of the straight rod 1 and the clamping structure 2, and the second end of the straight rod 1 is connected with a plum blossom knob 13, so that the installation is convenient.

When in use, the clamping block 81 is fixed at a proper position on the top end of the body of the valve to be detected, and the guide post 3 is ensured to be parallel to the valve rod; after the installation, the air pressure is opened, an input signal enables the valve rod to move to generate displacement, meanwhile, the sensing block 42 can generate the same displacement on the magnetic grating ruler 41, and then the sensing block 42 converts a magnetization signal of the magnetic grating ruler 41 into an electric signal to be transmitted to a detection circuit, so that displacement measurement is realized; the specific configuration of the detection process and the detection circuit is common knowledge in the art, and will not be described herein. Through the arrangement, the detection result is high in precision, and the quick and accurate state confirmation of the valve by the maintenance personnel can be helped.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.

Claims

1. A valve position measuring device for a single seat valve, comprising:

a straight rod (1);

the clamping structure (2) is connected to the straight rod (1), and the clamping structure (2) is used for clamping a valve rod to be detected;

the guide post (3) is arranged perpendicular to the straight rod (1), and the guide post (3) is provided with a clamping structure (8) for clamping the valve to be detected;

the detection mechanism (4) comprises a magnetic grating ruler (41) which is arranged in parallel with the guide post (3) and connected with the guide post and an induction block (42) which is connected with the straight rod (1);

when the clamping structure (2) clamps the valve rod to be detected, the guide post (3) is parallel to the valve rod to be detected, and when the valve rod to be detected generates displacement, the sensing block (42) can generate the same displacement on the magnetic grating ruler (41), and the sensing block (42) can convert magnetization signals of the magnetic grating ruler (41) into electric signals to realize displacement measurement.

2. The valve displacement measuring device of the single seat valve according to claim 1, further comprising a connecting rod (5) vertically arranged on the straight rod (1), wherein a universal joint (6) is arranged between the connecting rod (5) and the straight rod (1), the connecting rod (5) is connected with a connecting plate (7), and the sensing block (42) is connected with the connecting rod (5) through the connecting plate (7).

3. A valve displacement measuring device of a single seat valve according to claim 1, characterized in that the detection means (4) further comprises a bearing bracket (43) connected to the guide post (3) and a mounting bracket (44) connected to the bearing bracket (43), the mounting bracket (44) being provided with a recess (441) for the insertion of the magnetic grating ruler (41).

4. A valve position measuring device of a single seat valve according to claim 1, characterized in that the clamping structure (8) comprises a clamping block (81), the clamping block (81) is provided with a U-shaped groove (82), the U-shaped groove (82) comprises a first inner wall and a second inner wall arranged opposite to each other, the first inner wall is connected with a locking member (83), and the second inner wall is provided with a connecting pad (84).

5. A valve displacement measuring device for a single seat valve according to claim 4, wherein the locking member (83) comprises a quincuncial glue head screw.

6. A valve position measuring device of a single seat valve according to claim 1, characterized in that the clamping structure (2) comprises a first anchor ear (21) and a second anchor ear (22), both the first anchor ear (21) and the second anchor ear (22) being provided with V-shaped grooves (23), the valve rod to be detected being clamped by the respective V-shaped grooves (23) of the first anchor ear (21) and the second anchor ear (22).

7. The valve displacement measuring device of the single seat valve according to claim 1, wherein the straight rod (1) comprises a first end and a second end which are axially opposite, an adapter block (11) and a locking screw (12) are connected between the first end of the straight rod (1) and the clamping structure (2), and the second end of the straight rod (1) is connected with a plum blossom knob (13).