CN214404888U - Gear driving device capable of outputting switch signal - Google Patents

Abstract

The utility model provides an exportable switch signal's gear drive, including box, worm wheel and worm, the worm sets up one side in the box and cup joints on the input shaft, the worm wheel sets up the opposite side in the box and is connected through meshing transmission with the worm. The box body is also provided with a first touch switch and a second touch switch. The first touch switch and the second touch switch are symmetrically arranged on two sides of the worm wheel. When the valve is in an open state and the current state of the valve is changed due to misoperation of a person, the driving device can send a signal to the control room through the micro switch and the wire, so that monitoring personnel can be timely reminded or a warning signal can be sent, and misoperation of the personnel is avoided.

Description

Gear driving device capable of outputting switch signal

Technical Field

The present disclosure belongs to the field of driving devices, and particularly relates to a gear driving device capable of outputting a switching signal.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. Because of the needs of production and transportation, the butterfly valve that is used in on the collection jar that is equipped with the industrial chemicals now all must accurate, high-speed, controllable, intelligence, and present butterfly valve, its on-off state all must staff manual operation and control.

The driving device is widely applied to a valve pipeline system, but in the prior art, a valve is arranged on a pipeline, and a valve clack is in an opening or closing state and can not be indicated or can only be seen by field observation. The gear driving device can send signals to the control center when the valve is opened and closed, so that the state of the valve can be remotely monitored.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present disclosure provides a gear driving apparatus capable of outputting a switching signal, which can be used to monitor the open and close states of a valve, and has a simple structure, reliable performance, and low installation cost.

In order to achieve the purpose, the following technical scheme is adopted in the disclosure:

a gear driving device capable of outputting a switching signal comprises:

the worm gear is arranged on the other side of the box body and is in meshed transmission connection with the worm.

Furthermore, the box body is also provided with a first touch switch and a second touch switch.

Furthermore, the first touch switch and the second touch switch are symmetrically arranged on two sides of the worm wheel.

Furthermore, the first touch switch and the second touch switch are both provided with contacts.

Further, the worm is driven by the input shaft and rotates around the center of the input shaft.

Further, the worm wheel is driven by a worm and rotates around its center line.

Further, the worm wheel touches the contact on the first trigger switch when rotating clockwise.

Further, the worm wheel touches the contact on the second trigger switch when rotating anticlockwise.

Furthermore, the first touch switch and the second touch switch are both connected with the signal device through wires.

Further, the box cover is arranged above the box body.

Further, the box cover further comprises a sealing gasket, and the sealing gasket is arranged between the box body and the box cover.

The beneficial effects of this disclosure are:

the gear driving device capable of outputting the switch signal can send a signal to the control room through the microswitch and the wire when the valve is in the open state and the current valve state is changed due to misoperation of people, so that monitoring personnel can be timely reminded or a warning signal can be sent, and misoperation of personnel is avoided

When the valve is in a closed state and the current state of the valve is changed by misoperation of someone, the driving device can send a signal to the control room through the microswitch and the lead, so that monitoring personnel can be timely reminded or a warning signal can be sent, and misoperation of personnel is avoided

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.

Fig. 1 is a schematic structural diagram of a gear driving device capable of outputting a switching signal according to an embodiment of the present disclosure;

FIG. 2 is a partial enlarged view of a gear driving device capable of outputting a switching signal according to an embodiment of the present disclosure;

wherein, 1, a box cover; 2. a seal ring; 3. a worm gear; 4. a box body; 5. a worm; 6. a first microswitch; 7. a wire; 8. a wire; 9. a second microswitch; 10. an input shaft.

Detailed Description

The present disclosure is further described with reference to the following drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.

In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.

As shown in fig. 1, the gear driving device capable of outputting a switching signal of the present embodiment includes: the worm gear 3 is arranged on the other side of the box body 4 and is in meshed transmission connection with the worm 5. The box 4 is further provided with a first trigger switch 6 and a second trigger switch 9. The first touch switch 6 and the second touch switch 9 are symmetrically arranged on two sides of the worm wheel. The first touch switch 6 and the second touch switch 9 are both provided with contacts. The worm 5 is driven by the input shaft and rotates around the center of the input shaft. The worm wheel is driven by a worm 5 and rotates around its centre line. The worm gear touches the contact on the first touch switch when rotating clockwise. When the worm wheel 3 rotates anticlockwise, the contact on the second trigger switch 9 is touched. The first touch switch 6 and the second touch switch 9 are connected with a signal device through wires. The box cover is characterized by further comprising a box cover 1, wherein the box cover 1 is arranged above the box body 4. The box cover further comprises a sealing gasket, and the sealing gasket 2 is arranged between the box body 4 and the box cover 1.

As an example of the manner in which the device may be used,

when the worm wheel rotates clockwise to the position shown in figure 2, the valve is in an open or closed state, the worm wheel 3 presses a contact of the micro switch 6, and a lead 7 connected with the micro switch 6 sends a signal;

on the contrary, when the worm wheel rotates to the other side position, the valve is in an open or closed state, the worm wheel 3 presses the contact of the micro switch 9, and the lead 8 connected with the micro switch 9 sends a signal;

specifically, to which side the worm gear rotates, the valve is in an on-off or off state, depending on whether the input shaft is rotating clockwise or counterclockwise, respectively.

As an example of the manner in which the device may be used,

open the valve during input shaft anticlockwise rotation, then the worm drives the worm wheel clockwise rotation around input shaft anticlockwise rotation through the meshing transmission, when the worm wheel clockwise rotation to the contact with first micro-gap switch, signal device carries the signal through the wire promptly to signalling device, and signalling device shows green light, shows the valve open mode.

When the input shaft rotates clockwise, the valve is closed, the worm rotates clockwise around the input shaft, the worm wheel is driven to rotate anticlockwise through meshing transmission, when the worm wheel rotates anticlockwise to contact with a contact of the second microswitch, the second microswitch transmits signals to the signaling device through a lead, and the signaling device displays a red light to indicate the closing state of the valve.

As an example of the manner in which the device may be used,

the worm wheel 3 is arranged in a sector shape, a gear is arranged on the sector surface and corresponds to the gear on the worm in a meshed mode, the worm 5 rotates around a self central point through meshed transmission, the sector shape can be arranged between 90 and 120 degrees, and the sector shape can be flexibly adjusted according to the length of the input rod and the gear density of the worm. The first microswitch and the second microswitch are respectively arranged on the other side of the turbine sector and are arranged in axial symmetry with the diameter of the turbine.

The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.

Claims (8)

1. A gear driving device capable of outputting a switching signal, comprising:

the worm is arranged on one side in the box body and is sleeved on the input shaft, and the worm wheel is arranged on the other side in the box body and is in meshed transmission connection with the worm;

the box body is also internally provided with a first touch switch and a second touch switch;

the worm gear touches the contact on the first touch switch when rotating clockwise, and touches the contact on the second touch switch when rotating anticlockwise.

2. The gear driving device capable of outputting a switch signal as claimed in claim 1, wherein the first trigger switch and the second trigger switch are symmetrically disposed at two sides of the worm wheel.

3. The gear driving device capable of outputting switch signals as claimed in claim 2, wherein the first trigger switch and the second trigger switch are provided with contacts.

4. The gear driving device capable of outputting a switching signal according to claim 3, wherein the worm is driven by the input shaft and rotates around the center of the input shaft.

5. The gear driving device capable of outputting the switching signal according to claim 4, wherein the worm wheel is driven by a worm and rotates around a center line of the worm wheel.

6. The gear driving device capable of outputting switch signals as claimed in claim 5, wherein the first trigger switch and the second trigger switch are connected to the signal device through wires.

7. The gear driving device capable of outputting the switch signal according to claim 1, further comprising a cover disposed above the box body.

8. The gear driving device capable of outputting a switching signal according to claim 1, further comprising a gasket disposed between the case body and the case cover.

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