CN212775882U

CN212775882U - Valve position signal-back device for 90-degree position quick switch

Info

Publication number: CN212775882U
Application number: CN202021078520.1U
Authority: CN
Inventors: 王伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-03-23
Anticipated expiration: 2030-06-12

Abstract

The utility model provides a valve position signal-back device of 90-degree position fast switch, wherein the terminal rows are arranged on the side wall of the bottom box and are symmetrically arranged in two rows; the central shaft sleeve assembly comprises a frame, a shaft sleeve metal component and a shaft sleeve fixing screw, the shaft sleeve fixing screw fixes the central shaft sleeve assembly at a second hole at the center of the bottom box, the shaft sleeve metal component is arranged on the central shaft sleeve assembly, and two circuits output by one side of the inductor are respectively connected with ports on the terminal strip; be equipped with the bar hole on the inductor support horizontal end face, support set screw passes the bar hole according to operation requirement and installs the inductor support in the end box, is equipped with the recess on the perpendicular of inductor support, on the recess is again installed to the inductor, the inductor passes through on inductor fixation nut presss from both sides the clamp is fixed in the inductor support to the working distance of adjustment inductor and center axle sleeve assembly, its is rational in infrastructure, high humidity resistant, corrosion-resistant, dust resistant, the signal back problem of different environment has effectively been solved.

Description

Valve position signal-back device for 90-degree position quick switch

Technical Field

The utility model relates to a pneumatic butterfly valve signal echo equipment field especially relates to a valve position echo ware of 90 position fast switch.

Background

At present, the existing valve position signal-returning device mainly depends on the contact between the central shaft cam and the limit switch to close the contact to form a loop for signal-returning. Patent No. 201921187806.0, a patent name memory type valve signal back ware, patent No. 201910679809.4, a patent name memory type valve signal back ware, valve position switch angle is little, can only open 1-60, and the mounting means is complicated, needs the support fixed, and the leakproofness is poor, and the part exposes. The existing signal echo device has the following defects: first, the appearance and structure are complex, which is not conducive to maintenance and replacement of parts. Often, the replacement operation can be carried out only by disassembling the whole mechanism one by one when a certain accessory is replaced; then, the materials are back-packed one by one; secondly, the adaptability is poor, the protection level is low, the requirement on the environment is strict, the method is not suitable for being used in high-temperature, dust and corrosive environments, poor contact of contacts is easily caused in severe environments, the response signals are inaccurate in time, and waste in the production process is caused; thirdly, low efficiency, the life-span is short, self receives the influence of inside limit switch frequency, is unsuitable to carry out the reciprocating motion of high frequency, because of long-term cam and limit switch's high strength machinery touch, in addition the additional injury that the mechanism displacement caused, can its life of greatly reduced, improvement manufacturing cost.

Disclosure of Invention

In order to solve the problem, the utility model provides a valve position echo ware of 90 position fast switch, its is rational in infrastructure, and is resistant to high humidity, corrosion-resistant, resistant dust, in practical application, effectively solved the echo problem of different environment.

The technical scheme of the utility model is that: the valve position signal transmitter comprises a shell, a terminal row, a central shaft sleeve assembly, a shaft sleeve metal component, a shaft sleeve fixing screw, an inductor support, a support fixing screw, an inductor and an inductor fixing nut, wherein the shell comprises a bottom box, an upper cover, a first hole, a second hole and a fixing end hole, the bottom box is connected with the upper cover, the bottom box is provided with a plurality of first holes, the first holes and the first holes are mutually symmetrical, the center of the bottom box is provided with the second hole, four corners of the bottom box are respectively provided with the fixing end holes, the terminal row is arranged on the side wall of the bottom box, and the terminal row is symmetrically arranged in two rows; the central shaft sleeve assembly comprises a frame, a shaft sleeve metal component and a shaft sleeve fixing screw, the shaft sleeve fixing screw fixes the central shaft sleeve assembly at a second hole at the center of the bottom box, the shaft sleeve metal component is arranged on the central shaft sleeve assembly, and two circuits output by one side of the inductor are respectively connected with ports on the terminal strip; the sensor support is provided with a strip-shaped hole on the horizontal end face, a support fixing screw penetrates through the strip-shaped hole according to use requirements to install the sensor support in the bottom box, a groove is formed in the vertical face of the sensor support, the sensor is installed on the groove, and the sensor is clamped and fixed on the sensor support through a sensor fixing nut so as to adjust the working distance between the sensor and the central shaft sleeve assembly;

one end of the terminal strip is connected with a circuit of the inductor, and the other end of the terminal strip is connected with a PLC signal line or a controller signal input line;

the bottom box is used for connecting and fixing the mechanism and the pneumatic execution end, the working distance between the sensor and the central shaft sleeve assembly is adjusted by the sensor support, and the sensor and the central shaft sleeve assembly form signal feedback;

the shaft sleeve metal assembly comprises a metal assembly and a plastic assembly, the positive and negative 90-degree arrangement and combination are carried out according to needs, the plastic assembly does not react with the inductor and does not have signal feedback, and the metal assembly reacts with the inductor to generate signal feedback.

Optionally, the upper cover is made of transparent plastic.

Optionally, the sleeve metal assembly on the central sleeve assembly may be disassembled to make the butterfly valve at plus 90 ° or minus 90 °.

Optionally, the sensor positions are arranged horizontally.

Optionally, the inductor support is an L-shaped support.

Optionally, the central shaft sleeve assembly and the shaft sleeve metal component are combined to form sensor signal feedback, so that valve installation is facilitated.

Compared with the prior art, the beneficial effects of the utility model are that: the structure is reasonable, the high humidity resistance, the corrosion resistance, the dust resistance and the simple appearance are realized, the parts can be replaced without excessive disassembly, and the labor cost is saved; the method has strong adaptability, is suitable for being used in humid, high-corrosion and dust environments, has accurate return signals, is not influenced by the environment, and cannot cause waste in the production process; this application also can regard as signal generator to use, and this application can carry out high frequency switch, and does not influence life, in practical application, has effectively solved the echo problem of different environment.

Drawings

The invention is further explained below with reference to the figures:

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a block diagram of the housing of the present invention;

FIG. 3 is a structural diagram of the sensor holder of the present invention;

fig. 4 is a structural diagram of the sensor holder of the present invention;

FIG. 5 is a schematic diagram of the sensor of the present invention;

FIG. 6 is a schematic view of the center bushing assembly of the present invention;

FIG. 7 is a block diagram of the frame of the present invention;

FIG. 8 is a view of the shaft sleeve fixing screw according to the present invention;

FIG. 9 is a structural diagram of the metal component of the shaft sleeve of the present invention

Shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9: 1. the sensor comprises a shell, 2, a terminal strip, 3, a central shaft sleeve assembly, 4, a shaft sleeve metal component, 5, a shaft sleeve fixing screw, 6, a sensor support, 7, a support fixing screw, 8, a sensor, 9, a sensor fixing nut, 10, a frame, 1-1, a bottom box, 1-2, an upper cover, 1-3, a first hole, 1-4, a second hole, 1-5, a fixing end hole, 4-1, a metal component, 4-2, a plastic component, 6-1, a strip-shaped hole, 6-2 and a groove.

Detailed Description

The present invention will be described in further detail with reference to the drawings, which are only used for explaining the present invention, and are schematic illustrations of the embodiments of the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the calculation of the flow rate by using the infrared transmitter and the infrared receiver is a common technical means in the field, and is often used in the existing flow rate measuring equipment, so in this embodiment, the detailed description of the models and the working principle of the infrared transmitter, the infrared receiver, the single chip microcomputer, the storage and the signal transmitting module is not provided; the terms "connected" and "connected," unless expressly specified or limited otherwise, are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, the valve position transponder with 90-degree position fast switch comprises a housing 1, a terminal row 2, a central shaft sleeve assembly 3, a shaft sleeve metal component 4, a shaft sleeve fixing screw 5, an inductor bracket 6, a bracket fixing screw 7, an inductor 8 and an inductor fixing nut 9, wherein the housing 1 comprises a bottom box 1-1, an upper cover 1-2, a first hole 1-3, a second hole 1-4 and a fixed end hole 1-5, the bottom box 1-1 is connected with the upper cover 1-2, the bottom box 1-1 is provided with a plurality of first holes 1-3, the first holes 1-3 and the first holes 1-3 are mutually symmetrical, the center of the bottom box 1-1 is provided with the second hole 1-4, four corners of the bottom box 1-1 are respectively provided with the fixed end holes 1-5, the terminal rows 2 are arranged on the side wall of the bottom box 1-1, and the terminal rows 2 are two symmetrical rows; the central shaft sleeve assembly 3 comprises a frame 10, a shaft sleeve metal component 4 and a shaft sleeve fixing screw 5, the shaft sleeve fixing screw 5 fixes the central shaft sleeve assembly 3 at a hole II 1-4 at the center of the bottom box 1-1, the shaft sleeve metal component 4 is arranged on the central shaft sleeve assembly 3, and two circuits output by one side of the inductor 8 are respectively connected with ports on the terminal row 2; a strip-shaped hole 6-1 is formed in the horizontal end face of the inductor support 6, a support fixing screw 7 penetrates through the strip-shaped hole 6-1 according to use requirements to install the inductor support 6 in the bottom box 1-1, a groove 6-2 is formed in the vertical face of the inductor support 6, an inductor 8 is installed on the groove 6-2, and the inductor 8 is clamped and fixed on the inductor support 6 through an inductor fixing nut 9 so as to adjust the working distance between the inductor 8 and the central shaft sleeve assembly 3;

one end of the terminal row 2 is connected with a circuit of the inductor 8, and the other end of the terminal row is connected with a PLC signal line or a controller signal input line;

the bottom box 1-1 is used for connecting and fixing the mechanism with a pneumatic execution end, the working distance between the inductor 8 and the central shaft sleeve assembly 3 is adjusted by the inductor support 6, and the inductor 8 and the central shaft sleeve assembly 3 form signal feedback;

the shaft sleeve metal component 4 comprises a metal component 4-1 and a plastic component 4-2, and positive and negative 90-degree arrangement and combination are carried out according to requirements. The plastic component 4-2 does not react with the inductor 8 without signal feedback, and the metal component 4-1 reacts with the inductor 8 to generate signal feedback.

Optionally, the upper cover 1-2 is made of transparent plastic.

Optionally, the shaft sleeve metal component 4 on the central shaft sleeve assembly 3 may be disassembled to make the butterfly valve present a positive 90 ° or a negative 90 °.

Optionally, the sensors 8 are horizontally arranged.

Optionally, the inductor support 6 is an L-shaped support.

Optionally, the central shaft sleeve assembly 3 and the shaft sleeve metal component 4 are combined to form sensor signal feedback, which is beneficial to valve installation.

When the pneumatic actuator is used, the shell 1 is fixed on the pneumatic actuator, the central shaft sleeve assembly 3 is fixed on the central shaft of the actuator, the shaft sleeve metal components 4 on the central shaft sleeve assembly 3 are distributed in 90 degrees, and the terminal row 2 is connected with a circuit when the working distance between the inductor 8 and the central shaft sleeve assembly 3 is adjusted. When the pneumatic butterfly valve works, the pneumatic actuator is controlled by the on-off of the electromagnetic valve to perform opening and closing actions, the central shaft sleeve assembly 3 rotates along with the opening and closing actions, the shaft sleeve metal component 4 on the central shaft sleeve assembly 3 and the corresponding sensor 8 form a signal loop, the signal loop is transmitted to the PLC industrial control element to confirm the opening and closing positions of the pneumatic butterfly valve, the industrial control element performs the on-off control on the electromagnetic valve in the next step, and the electromagnetic valve performs further actions along with the opening and closing control.

The utility model has reasonable structure, high humidity resistance, corrosion resistance, dust resistance and simple appearance, can replace parts without excessive disassembly, and saves labor cost; the method has strong adaptability, is suitable for being used in humid, high-corrosion and dust environments, has accurate return signals, is not influenced by the environment, and cannot cause waste in the production process; this application also can regard as signal generator to use, and this application can carry out high frequency switch, and does not influence life, in practical application, has effectively solved the echo problem of different environment.

The above description is illustrative of the present invention and is not to be construed as limiting thereof, as numerous modifications and variations will readily occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1.90 position fast switch's valve position signal back ware, including shell (1), terminal row (2), center shaft sleeve assembly (3), axle sleeve metal component (4), axle sleeve set screw (5), inductor support (6), support set screw (7), inductor (8), inductor fixation nut (9), its characterized in that: the shell (1) comprises a bottom box (1-1), an upper cover (1-2), a first hole (1-3), a second hole (1-4) and fixed end holes (1-5), the bottom box (1-1) is connected with the upper cover (1-2), the bottom box (1-1) is provided with a plurality of first holes (1-3), the first holes (1-3) and the first holes (1-3) are symmetrical, the center of the bottom box (1-1) is provided with the second holes (1-4), four corners of the bottom box (1-1) are respectively provided with the fixed end holes (1-5), the terminal rows (2) are arranged on the side wall of the bottom box (1-1), and the terminal rows (2) are symmetrical two rows; the central shaft sleeve assembly (3) comprises a frame (10), a shaft sleeve metal component (4) and a shaft sleeve fixing screw (5), the shaft sleeve fixing screw (5) fixes the central shaft sleeve assembly (3) at a second hole (1-4) at the center of the bottom box (1-1), the shaft sleeve metal component (4) is arranged on the central shaft sleeve assembly (3), and two circuits output from one side of the inductor (8) are respectively connected with ports on the terminal row (2); the sensor support is characterized in that a strip-shaped hole (6-1) is formed in the horizontal end face of the sensor support (6), a support fixing screw (7) penetrates through the strip-shaped hole (6-1) according to use requirements to install the sensor support (6) in the bottom box (1-1), a groove (6-2) is formed in the vertical face of the sensor support (6), a sensor (8) is installed on the groove (6-2), and the sensor (8) is clamped and fixed on the sensor support (6) through a sensor fixing nut (9) so as to adjust the working distance between the sensor (8) and the central shaft sleeve assembly (3);

one end of the terminal row (2) is connected with a circuit of the inductor (8), and the other end of the terminal row is connected with a PLC signal line or a controller signal input line;

the bottom box (1-1) is used for connecting and fixing the mechanism with a pneumatic execution end, the working distance between the sensor (8) and the central shaft sleeve assembly (3) is adjusted by the sensor support (6), and the sensor (8) and the central shaft sleeve assembly (3) form signal feedback;

the shaft sleeve metal component (4) comprises a metal component (4-1) and a plastic component (4-2), the positive and negative 90-degree arrangement and combination are carried out according to needs, the plastic component (4-2) does not react with the inductor (8) and does not have signal feedback, and the metal component (4-1) reacts with the inductor (8) to generate signal feedback.

2. The valve position signal transmitter of the 90 ° position fast switch according to claim 1, wherein: the upper cover (1-2) is made of transparent plastic.

3. The valve position signal transmitter of the 90 ° position fast switch according to claim 1, wherein: the shaft sleeve metal component (4) on the central shaft sleeve assembly (3) can be disassembled, so that the butterfly valve is in a positive 90-degree or negative 90-degree state.

4. The valve position signal transmitter of the 90 ° position fast switch according to claim 1, wherein: the sensors (8) are horizontally arranged.

5. The valve position signal transmitter of the 90 ° position fast switch according to claim 1, wherein: the inductor bracket (6) is an L-shaped bracket.

6. The valve position signal transmitter of the 90 ° position fast switch according to claim 1, wherein: the central shaft sleeve assembly (3) and the shaft sleeve metal component (4) are combined to form sensor signal feedback, and valve installation is facilitated.