CN214008251U - Handle for valve with signal feedback - Google Patents

Abstract

The utility model provides a valve handle with signal feedback, the valve comprises a valve body and a valve core, the valve core is rotationally inserted into a slot arranged on the valve body through a valve shaft, the top end of the valve shaft is fixedly provided with a handle, and the handle is perpendicular to the valve shaft; the valve comprises a limit switch, wherein the limit switch and a handle are positioned on the same side of a valve body, the limit switch is fixedly connected with the valve body, the handle rotates around the axial direction of the valve body, and when the valve is completely opened or closed, the handle rotates to the position of the limit switch to touch a push rod arranged on the limit switch. According to the valve handle with the signal feedback, the limit switch is directly touched through the rotation of the handle, so that the normal starting of the limit switch is ensured, and a valve signal is stably output; the structure is simple, the operation is convenient, the manufacturing cost of the device is reduced, and the maintenance difficulty is reduced.

Description

Handle for valve with signal feedback

Technical Field

The utility model belongs to the technical field of the valve, especially, relate to a take signal feedback's handle for valve.

Background

The valve limit switch is a field instrument for detecting the valve state in an automatic control system, is used for outputting the opening or closing position of a valve by a signal of a switching value, a remote controller receives or a computer visits and samples, and executes the next procedure after confirmation, and can also be used for important valve interlocking protection and remote alarm indication in an automatic control system.

Disclosure of Invention

In view of this, the utility model aims at overcoming the defect that exists among the above-mentioned prior art, provide a handle for valve of taking signal feedback for improve manual valve limit switch's contact sensitivity.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a valve handle with signal feedback comprises a valve body and a valve core, wherein the valve core is rotatably inserted into a slot arranged in the valve body through a valve shaft, the top end of the valve shaft is fixedly provided with a handle, and the handle is perpendicular to the valve shaft;

the valve comprises a limit switch, wherein the limit switch and a handle are positioned on the same side of a valve body, the limit switch is fixedly connected with the valve body, the handle rotates around the axial direction of the valve body, and when the valve is completely opened or closed, the handle rotates to the position of the limit switch to touch a push rod arranged on the limit switch.

Further, the limit switch is a touch switch, a photoelectric switch or a proximity switch, and preferably, the limit switch is a touch switch.

Furthermore, the limit switch is fixedly assembled on the valve body through a positioning plate, a plurality of mounting holes are formed in the positioning plate, the mounting holes extend along the axial direction of the push rod, a plurality of threaded holes are formed in the limit switch, the threaded holes correspond to the mounting holes, and the limit switch and the positioning plate are fixedly assembled through bolts.

Furthermore, a baffle is fixedly arranged on the side wall of the limit switch, the baffle is arranged around the periphery of the push rod and extends along the axial direction of the push rod, the length of the baffle is greater than the exposed length of the push rod, and a notch capable of being penetrated by the handle is formed in the baffle.

Further, the stiff end of handle has set firmly the pointer, the pointer extends along the reverse of handle, and the below of pointer is equipped with the scale plate that is used for instructing handle rotation angle.

Furthermore, a supporting plate fixedly arranged on the valve body is arranged below the handle, a plurality of clamping teeth are uniformly distributed at the edge of the supporting plate, and the clamping teeth cover the rotating range of the handle;

the caliper is characterized in that a rotating handle is arranged on one side, adjacent to the clamping teeth, of the handle and is connected with the handle in a rotating mode, a clamping plate is fixedly arranged at one end, adjacent to the clamping teeth, of the rotating handle, the clamping plate is bent towards the side where the caliper is located, the clamping plate is clamped on the clamping teeth, the rotating handle is rotated towards one side of the handle, and the clamping plate is separated from the clamping teeth.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the valve with the signal feedback function uses the handle to directly touch the limit switch through the rotation of the handle, so that the normal starting of the limit switch is ensured, and the valve signal is stably output.

(2) This handle is used to valve of signal feedback, simple structure, the operation is convenient, has reduced the cost of manufacture of device, has reduced the maintenance degree of difficulty.

(3) The handle for the valve with the signal feedback can be applied to a butterfly valve, a ball valve, a plug valve and a rotary valve structure of a 90-degree opening and closing structure.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of the overall structure of a valve handle with signal feedback according to the present invention;

fig. 2 is a schematic view of the overall structure of a valve handle with signal feedback according to the present invention;

fig. 3 is a schematic top view of a valve handle with signal feedback according to the present invention;

fig. 4 is a schematic view of a sectional structure of a valve handle with signal feedback according to the present invention.

Description of reference numerals:

1-a valve body; 11-a support; 12-a support table; 13-a slot; 2-valve seat; 3-a valve core; 31-a valve shaft; 32-a valve housing; 33-a valve plate; 4-a handle; 41-an accommodating groove; 42-a pointer; 5-turning handle; 51-a card board; 6-a support plate; 61-latch; 62-a scale plate; 63-a positioning plate; 631-mounting holes; 7-limit switch; 71-a push rod; 72-a baffle; 721-notch.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following examples with reference to the accompanying drawings:

as shown in fig. 1-4, a handle 4 butterfly valve with signal feedback comprises a valve body 1, a valve core 3 and a limit switch 7, wherein the valve body 1 is an annular body, a valve seat 2 is fixedly arranged on an inner ring of the valve body 1, a support body 11 is vertically and fixedly arranged on an annular side wall of the valve body 1, a support table 12 is fixedly arranged on a free end surface of the support body 11, a support plate 6 is fixedly arranged on a top surface of the support table 12, and the support plate 6 extends outwards from an edge of one side of the support table;

the valve core 3 comprises a valve shaft 31, a valve sleeve 32 and a valve plate 3, wherein the valve shaft 31 is rotatably inserted into a slot 13 formed in the valve body 1, the axial direction of the valve shaft 31 is perpendicular to the axial direction of the valve body 1, the upper end of the valve shaft 31 penetrates through the supporting body 11, the supporting table 12 and the supporting plate 6, the valve sleeve 32 is fixedly sleeved on the periphery of the valve shaft 31, the valve plate 3 is fixedly arranged on two sides of the valve sleeve 32, the valve sleeve 32 is positioned in the valve seat 2 and matched with the inner diameter of the valve seat 2, the outer edge of the valve plate 3 is connected with the valve seat 2 in a sliding manner, a handle 4 is fixedly arranged at the top end of the valve shaft 31, and the handle 4 is perpendicular to the valve shaft 31;

the limit switch 7 is used for sending a valve opening or closing signal, the limit switch 7 and the handle 4 are located on the same side of the valve body 1, the limit switch 7 can be a touch switch, a photoelectric switch or a proximity switch, the touch switch is preferably selected, a plurality of mounting holes 631 are formed in a positioning plate 63 formed by extending the supporting plate 6, in order to adjust the position of the limit switch 7, the mounting holes 631 extend along the axial direction of the push rod 71, a plurality of threaded holes are formed in the limit switch 7, the threaded holes correspond to the mounting holes 631 in position, and the limit switch 7 and the positioning plate 63 are assembled and fixed through bolts;

when the handle 4 is rotated, the valve shaft 31 and the valve plate 3 rotate along with the handle, when the valve is completely opened or closed, the handle 4 is rotated to the position of the limit switch 7, the push rod 71 arranged on the limit switch 7 is touched, the limit switch 7 releases a signal, and the handle 4 is perpendicular to the axial direction of the push rod 71 when in contact with the push rod 71 in order to ensure the push rod 71 to stretch smoothly;

in order to avoid mistaken touch on the push rod 71, a baffle plate 72 is fixedly arranged on the side wall of the limit switch 7, the baffle plate 72 is arranged around the periphery of the push rod 71 and extends along the axial direction of the push rod 71, the length of the baffle plate 72 is greater than the exposed length of the push rod 71, a notch 721 capable of allowing the handle 4 to pass through is formed in the baffle plate 72, and the handle 4 passes through the notch 721 when in use;

in order to visually observe the rotation angle of the handle 4 and judge the rotation angle of the valve plate 3, a pointer 42 is fixedly arranged at the fixed end of the handle 4, the pointer 42 extends along the reverse direction of the handle 4, and a scale plate 62 for indicating the rotation angle of the handle 4 is arranged on the supporting plate 6 below the pointer 42;

in order to prevent the handle 4 from being touched by mistake, a plurality of latch teeth 61 are uniformly distributed at the edge of the supporting plate 6, the latch teeth 61 cover the rotating range of the handle 4, a rotating handle 5 is arranged at one side of the handle 4 adjacent to the latch teeth 61, so that the handle is convenient for an operator to hold, the rotating handle 5 is positioned in a containing groove 41 arranged at the bottom of the handle 4, rotating rods are arranged at two sides of the rotating handle 5, the rotating rod is inserted into the rotating holes arranged at the two sides of the containing groove 41, so that the rotating handle 5 is rotationally connected with the handle 4, one end of the rotating handle 5 adjacent to the latch 61 is fixedly provided with a clamping plate 51, this cardboard 51 is buckled to the slide caliper rule place side, and the joint in latch 61, is equipped with the answer spring between handle 4 and turning handle 5, makes cardboard 51 keep the joint in the state of latch 61 under natural state, and gripping handle 4 and turning handle 5 make turning handle 5 rotate to handle 4 one side, and cardboard 51 breaks away from in the latch 61, can be with turning handle 4.

Note: the fixing connection mode is the existing fixing connection mode such as threaded connection, welding, bonding, interference fit and the like if no special description is given.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A valve handle with signal feedback comprises a valve body (1) and a valve core (3), wherein the valve core (3) is rotatably inserted into a slot (13) formed in the valve body (1) through a valve shaft (31), a handle (4) is fixedly arranged at the top end of the valve shaft (31), and the handle (4) is perpendicular to the valve shaft (31);

the method is characterized in that: the valve is characterized by comprising a limit switch (7), wherein the limit switch (7) and a handle (4) are positioned on the same side of a valve body (1), the limit switch (7) is fixedly connected with the valve body (1), the handle (4) rotates around the axial direction of the valve body (1), and when the valve is completely opened or closed, the handle (4) rotates to the position of the limit switch (7) to trigger a push rod (71) arranged on the limit switch (7).

2. The handle with signal feedback for the valve according to claim 1, wherein: the limit switch (7) is a touch switch, a photoelectric switch or a proximity switch.

3. The handle with signal feedback for the valve according to claim 2, wherein: the limit switch (7) is a touch switch.

4. The handle with signal feedback for the valve according to claim 1, wherein: limit switch (7) are through locating plate (63) fixed mounting in valve body (1), be equipped with a plurality of mounting holes (631) on locating plate (63), axial extension along push rod (71) is followed in mounting hole (631), be equipped with a plurality of screw holes on limit switch (7), this screw hole and the corresponding position of mounting hole (631), it is fixed through the bolt assembly between limit switch (7) and locating plate (63).

5. The handle with signal feedback for the valve according to claim 1, wherein: the side wall of the limit switch (7) is fixedly provided with a baffle (72), the periphery of the push rod (71) is surrounded by the baffle (72), the baffle (72) extends along the axial direction of the push rod (71), the length of the baffle (72) is greater than the exposed length of the push rod (71), and the baffle (72) is provided with a notch (721) which can accommodate the handle (4) to pass through.

6. The handle with signal feedback for the valve according to claim 1, wherein: the stiff end of handle (4) is equipped with pointer (42) firmly, pointer (42) are followed the reverse extension of handle (4), and the below of pointer (42) is equipped with scale plate (62) that are used for instructing handle (4) rotation angle.

7. The handle with signal feedback for the valve according to claim 1, wherein: a supporting plate (6) fixedly arranged on the valve body (1) is arranged below the handle (4), a plurality of clamping teeth (61) are uniformly distributed at the edge of the supporting plate (6), and the clamping teeth (61) cover the rotating range of the handle (4);

the caliper gauge is characterized in that a rotating handle (5) is arranged on one side, adjacent to the latch (61), of the handle (4), the rotating handle (5) is rotatably connected with the handle (4), a clamping plate (51) is fixedly arranged at one end, adjacent to the latch (61), of the rotating handle (5), the clamping plate (51) is bent towards the side where the caliper gauge is located, the clamping plate (51) is clamped on the latch (61), the rotating handle (5) is rotated towards one side of the handle (4), and the clamping plate (51) is separated from the latch (61).

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