CN219198281U

CN219198281U - Integrated micro-switch for reversing valve

Info

Publication number: CN219198281U
Application number: CN202320191949.9U
Authority: CN
Inventors: 高月海
Original assignee: Huaian Yansheng Hydraulic Machinery Co ltd
Current assignee: Huaian Yansheng Hydraulic Machinery Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-06-16
Anticipated expiration: 2033-02-06

Abstract

The utility model discloses an integrated micro-switch for a reversing valve, which relates to the technical field of reversing valve accessories and has the technical key points that: the reversing valve comprises a reversing valve body which realizes a reversing function through a driving motor, wherein a mounting frame is arranged outside the reversing valve body, a micro switch is fixedly arranged on the mounting frame, a button is fixedly arranged on the micro switch through an action reed, the micro switch is electrically connected with a motor controller through a control unit, the motor controller is electrically connected with the driving motor, a manual control rod is rotatably connected on the mounting frame, and one end of the manual control rod facing the button is provided with a U-shaped groove which is adaptive to the end part of the button; the utility model can be matched with a manual control rod to improve the looseness of the control reversing valve.

Description

Integrated micro-switch for reversing valve

Technical Field

The utility model relates to the technical field of diamond wire reversing valve accessories, in particular to an integrated micro-switch for a reversing valve.

Background

The reversing valve is a directional control valve with more than two flow forms and more than two oil ports. Is a valve for realizing communication, cutting-off and reversing of hydraulic oil flow, pressure unloading and sequential action control. The valve is controlled by the relative movement direction of the valve core and the valve body. There are two types of rotary valve type and slide valve type. The valve core is divided into two positions, three positions and the like according to the number of the working positions where the valve core stays in the valve body; the valve is divided into two-way, three-way, four-way, six-way and the like according to the number of oil ways connected with the valve body; the valve core is operated in a manual, motor, electric, hydraulic, electrohydraulic and other modes.

The existing electric reversing valve is often provided with a motor and realizes reversing under the cooperation of the motor, and can realize the simultaneous existence of two modes of manual control and electric control, such as the electric direct-push type reversing valve for a hydraulic support with the existing application number of CN201921034632.4, but the manual control of the existing manual and electric integrated electromagnetic reversing valve is independent from an electric control system, and is laborious and inconvenient to operate.

The micro switch is a kind of switch with micro contact interval and fast acting mechanism, and is covered with casing and has driving rod with relatively small contact interval, so that the micro switch is also called sensitive switch.

Therefore, how to improve the looseness of the control reversing valve through the matching of the micro switch and the manual control rod is a technical problem which needs to be solved by the person skilled in the art.

Disclosure of Invention

The utility model aims to provide an integrated micro switch for a reversing valve, which is matched with a manual control rod to improve the looseness of the control reversing valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an integrated micro-switch for switching-over valve, includes the switching-over valve body that realizes the switching-over function through driving motor, the mounting bracket is equipped with outward to the switching-over valve body, fixed mounting has micro-switch on the mounting bracket, micro-switch is equipped with the button through action reed is fixed, micro-switch has motor controller through control unit electric connection, motor controller and driving motor electric connection, swivelling joint has manual control pole on the mounting bracket, the one end of manual control pole orientation button is equipped with the U-shaped groove that suits with the button tip.

By adopting the scheme, when the reversing valve is used, the manual control rod is rotated, the edge of the U-shaped groove props against the button, so that the action reed is supported, the micro switch is started, the micro switch sends a signal to the motor controller through the control unit, the motor controller controls the motor to move, and the motor movement helps the reversing valve to realize the communication and reversing functions (how the motor helps the reversing valve to work, reference can be made to a comparison document, the principle is the same and the repeated description is omitted); then, the manual control rod is loosened, and the action reed is pressed down under the action of the elastic force, so that the button returns to the U-shaped groove and the manual control rod is helped to return to the right; after the button returns to the U-shaped groove, the micro switch obtains a signal, and the signal is transmitted to the motor controller through the control unit, the motor is closed, and the motor stops controlling the reversing valve to work; the micro switch is matched with the manual control rod, so that the motor can be conveniently controlled. The looseness of the control reversing valve is improved. And improves the integration of manual control and electric control.

Preferably, the mounting frame is provided with a protection groove for protecting the micro-switch main body.

Preferably, the end part of the button is arc-shaped, and progressive arc plates are arranged on two sides of the U-shaped groove.

Preferably, a gripping sleeve is arranged on one side of the manual control rod far away from the button.

Preferably, the manual control lever is connected with the mounting frame through the aligning mechanism, the aligning mechanism includes the rotary rod of being connected with the mounting frame swivelling joint, rotary rod top is through rotary disk and manual control lever fixed connection, the cover is equipped with the torsional spring on the rotary rod, the torsional spring both ends are connected with mounting frame and rotary disk respectively.

Preferably, the rotary disk is fixedly connected with the rotary rod through screws, and clamping grooves for clamping the end parts of the torsion springs are formed in the top surface of the mounting frame and the bottom surface of the rotary disk.

The utility model has the following beneficial effects:

when the reversing valve is used, the manual control rod is rotated, the edge of the U-shaped groove props against the button, so that the action reed is supported, the micro switch is started, the micro switch sends a signal to the motor controller through the control unit, the motor controller controls the motor to move, and the motor movement helps the reversing valve to realize the functions of communication and reversing (how the motor helps the reversing valve to work, reference can be made to a comparison document, the principle is the same, and redundant description is omitted); then, the manual control rod is loosened, and the action reed is pressed down under the action of the elastic force, so that the button returns to the U-shaped groove and the manual control rod is helped to return to the right; after the button returns to the U-shaped groove, the micro switch obtains a signal, and the signal is transmitted to the motor controller through the control unit, the motor is closed, and the motor stops controlling the reversing valve to work; the micro switch is matched with the manual control rod, so that the motor can be conveniently controlled. The looseness of the control reversing valve is improved. And improves the integration of manual control and electric control.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is a connection diagram of an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a centering mechanism according to an embodiment of the utility model.

In the figure: 1. a reversing valve body; 2. a mounting frame; 3. a micro-switch; 301. an action reed; 302. a button; 4. a driving motor; 5. a manual control lever; 6. a U-shaped groove; 601. a progressive arc plate; 7. a protection groove; 8. a grip sleeve; 901. a rotating rod; 902. a rotating disc; 903. a torsion spring; 904. and a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

1-2, including the reversing valve body 1 which realizes the reversing function through the driving motor 4, the reversing valve body 1 is equipped with the mounting bracket 2, the mounting bracket 2 is fixedly equipped with the micro-switch 3, the micro-switch 3 is fixedly equipped with the button 302 through the action reed 301, the micro-switch 3 is electrically connected with the motor controller through the control unit, the motor controller is electrically connected with the driving motor 4, the mounting bracket 2 is rotatably connected with the manual control lever 5, one end of the manual control lever 5 facing the button 302 is equipped with the U-shaped groove 6 which is adapted to the end of the button 302;

as shown in fig. 1-2, when the reversing valve is used, the manual control rod 5 is rotated, the edge of the u-shaped groove 6 props against the button 302, so that the action reed 301 is lifted, the micro switch 3 is started, the micro switch 3 sends a signal to the motor controller through the control unit, the motor controller controls the motor to move, and the motor movement helps the reversing valve to realize the functions of communication and reversing (how the motor helps the reversing valve to work, the principle is the same and is not repeated in reference to the comparison document); then, the manual control lever 5 is released, and the action reed 301 is pressed down under the action of the elastic force, so that the button 302 returns to the U-shaped groove 6 and the manual control lever 5 is assisted to return; after the button 302 returns to the U-shaped groove 6, the micro switch 3 obtains a signal, and the signal is transmitted to the motor controller through the control unit, the motor is closed, and the control of the motor on the work of the reversing valve is stopped; the micro switch 3 is matched with the manual control rod 5, so that the motor can be conveniently controlled. The looseness of the control reversing valve is improved. And improves the integration of manual control and electric control.

As shown in fig. 1, the mounting frame 2 is provided with a protection groove 7 for protecting the main body of the micro switch 3; the protection of the micro switch 3 is improved, and the service life of the micro switch is prolonged.

As shown in fig. 1, the end of the button 302 is arc-shaped, and progressive arc plates 601 are arranged on two sides of the U-shaped groove 6; the action of the U-shaped groove 6 and the button 302 is smoother, and the abrasion can be reduced.

As shown in fig. 1, the side of the manual control lever 5 away from the button 302 is provided with a grip sleeve 8; improving the grasping comfort and reliability.

As shown in fig. 1 and 3, the manual control rod 5 is connected with the mounting frame 2 through a centering mechanism, the centering mechanism comprises a rotary rod 901 rotatably connected with the mounting frame 2 (through a bearing or a rotating shaft), the top of the rotary rod 901 is fixedly connected with the manual control rod 5 through a rotary disc 902, a torsion spring 903 is sleeved on the rotary rod 901, and two ends of the torsion spring 903 are respectively connected with the mounting frame 2 and the rotary disc 902; when the manual control rod 5 is pulled, the rotary disk 902 drives the rotary rod 901 to rotate, so that the torsion spring 903 is driven to twist, and after the force application to the manual control rod 5 is stopped, the torsion spring 903 provides torsion force because of elastic deformation, and the rotary disk 902 is reset, so that the manual control rod 5 is reset, and the next use is facilitated.

As shown in fig. 1 and 3, a rotary disk 902 is fixedly connected with a rotary rod 901 through screws, and clamping grooves 904 for clamping the end parts of torsion springs 903 are formed in the top surface of a mounting frame 2 and the bottom surface of the rotary disk 902; the extension rods at two ends of the torsion spring 903 are clamped into the clamping grooves 904 on the top surface of the mounting frame 2 and the bottom surface of the rotary disk 902, and then the rotary disk 902 is fixed by using screws, so that the mounting can be finished, and the assembly can be disassembled for maintenance and replacement.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The above is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present utility model to solve the substantially same technical problems and achieve the substantially same technical effects are all covered in the protection scope of the present utility model.

Claims

1. The utility model provides an integrated micro-switch for switching-over valve, includes through driving motor (4) realizes switching-over valve body (1) of switching-over function, its characterized in that: the reversing valve comprises a reversing valve body (1), wherein a mounting frame (2) is arranged outside the reversing valve body, a micro switch (3) is fixedly arranged on the mounting frame (2), a button (302) is fixedly arranged on the micro switch (3) through an action reed (301), a motor controller is electrically connected to the micro switch (3) through a control unit, a manual control rod (5) is rotatably connected to the mounting frame (2), and a U-shaped groove (6) which is adaptive to the end part of the button (302) is arranged at one end of the manual control rod (5) facing the button (302).

2. The integrated micro-switch for a reversing valve according to claim 1, wherein: the mounting frame (2) is provided with a protection groove (7) for protecting the main body of the micro switch (3).

3. The integrated micro-switch for a reversing valve according to claim 1, wherein: the end part of the button (302) is arc-shaped, and progressive arc plates (601) are arranged on two sides of the U-shaped groove (6).

4. The integrated micro-switch for a reversing valve according to claim 1, wherein: one side of the manual control rod (5) far away from the button (302) is provided with a gripping sleeve (8).

5. The integrated micro-switch for a reversing valve according to claim 1, wherein: the manual control rod (5) is connected with the mounting frame (2) through a correcting mechanism, the correcting mechanism comprises a rotating rod (901) which is rotationally connected with the mounting frame (2), the top of the rotating rod (901) is fixedly connected with the manual control rod (5) through a rotating disc (902), a torsion spring (903) is sleeved on the rotating rod (901), and two ends of the torsion spring (903) are respectively connected with the mounting frame (2) and the rotating disc (902).

6. The integrated micro-switch for a reversing valve according to claim 5, wherein: the rotary plate (902) is fixedly connected with the rotary rod (901) through screws, and clamping grooves (904) used for clamping the end parts of the torsion springs (903) are formed in the top surface of the mounting frame (2) and the bottom surface of the rotary plate (902).