CN218333548U

CN218333548U - Power opens stops button self-locking mechanism and excavator

Info

Publication number: CN218333548U
Application number: CN202222824367.8U
Authority: CN
Inventors: 倪旭; 王维召; 张垚
Original assignee: XUZHOU HIRSCHMANN ELECTRONICS CO Ltd
Current assignee: XUZHOU HIRSCHMANN ELECTRONICS CO Ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-17
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a power supply start-stop button self-locking mechanism, which comprises a base with a column casing, wherein a pressure spring is arranged in the column casing, a conduction frame is arranged on the upper part of the pressure spring, the conduction frame comprises a core cylinder frame and side wing frames arranged on two sides of the top of the core cylinder frame, and the core cylinder frame can slide up and down in the column casing and can limit rotation in the circumferential direction; the upper part of the core barrel frame is provided with a pressing locking mechanism, the two sides of the column barrel are respectively provided with a microswitch, and the side wing frame is respectively matched with the two microswitches; the pressing and locking structure presses and locks and pushes the conduction frame to drive the microswitch to be closed; the pressing locking structure presses and unlocks again, and the transmission frame bounces to disconnect the microswitch when rising; the top of the pressing locking mechanism is provided with a power supply start-stop key. The utility model integrates the power switch into the throttle knob module assembly, and realizes one-key start and stop by pressing the key; the panel space is saved, the material and the assembly cost are saved, and the on-off operation of the main power supply of the excavator can be simplified.

Description

Power opens stops button self-locking mechanism and excavator

Technical Field

The utility model relates to a power opens stops button self-locking mechanism belongs to excavator switch technical field.

Background

In the driving operation process of the excavator, the excavator driver firstly turns on a power switch through operation, and then can start an engine, walk and the like. The power switch module of the excavator is used for controlling the on-off of current between an electric control system and a power supply, the module has large current and frequent switching and is incompatible with other control systems on the excavator, so the power switch module is often independently designed into a power module assembly for loading and is specially used for realizing the on-off of a main power supply of the electric control system of the excavator.

The excavator uses the power module to carry out the on-off operation of the main power supply, and in addition, the accelerator knob module is used for carrying out the operation of the accelerator adjusting function. The two modules are usually separately assembled and loaded as different operating devices. The panel space for placing the operating device in the cab of the excavator is limited, and the power supply module which is independently arranged occupies a larger space; the manufacturing cost of the power module which is independently made into an assembly is increased, and the cost of the whole vehicle is increased; the power module and the accelerator knob module are separated to increase the number of operation knobs, so that the operation is more complicated.

Disclosure of Invention

The utility model aims to overcome not enough among the prior art, improve traditional excavator power module structure, simplify switch operating mode, provide a power and open and stop button self-locking mechanism, can open and stop in throttle knob module assembly with switch is integrated, realize a key through the silicon rubber button and open and stop. Not only can the independent placement of the panel be avoided, but also the panel space is saved; a power module assembly is eliminated, materials and assembly cost can be saved, and on-off operation of the excavator main power supply is simplified.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a power supply start-stop key self-locking mechanism comprises a base with a cylindrical barrel, wherein a pressure spring is installed in the cylindrical barrel, a transmission frame is arranged at the upper part of the pressure spring and comprises a core barrel frame and side wing frames arranged on two sides of the top of the core barrel frame, and the core barrel frame can slide up and down in the cylindrical barrel and can limit rotation in the circumferential direction; the upper part of the core barrel frame is provided with a pressing locking mechanism, the two sides of the column barrel are respectively provided with a microswitch, and the side wing frame is respectively matched with the two microswitches; the pressing and locking structure presses and locks and pushes the conduction frame to drive the microswitch to be closed; the pressing locking structure presses for unlocking again, and the guide frame bounces to disconnect the microswitch when the pressing locking structure rises; the top of the pressing locking mechanism is provided with a power supply start-stop key.

Furthermore, the power supply start-stop button is a silicon rubber cover, and is matched with the pressing locking structure to improve the operation hand feeling of the power supply start-stop button.

Furthermore, the micro switches on the two sides of the column casing are connected in parallel, so that the micro switches on the two sides are in a closed state or an open state at the same time; the two micro switches are arranged in parallel, so that one micro switch can still work after being damaged, and the excavator can not lose the power supply starting and stopping function.

Furthermore, the upper part of the column casing is provided with an axial limiting opening which is matched with an axially convex flange on the conduction frame to circumferentially limit the conduction frame.

Furthermore, the pressing locking mechanism comprises a fixed seat, and a pressing block and a rotating block which are sleeved inside the fixed seat, wherein the pressing block and the rotating block can slide up and down in the fixed seat, the rotating block can rotate in the sliding process under the action of the elastic force of the pressure spring, the pressing block can be pressed to push the rotating block to a locking position, and the pressing block can be pressed again to push the rotating block to be separated from the locking position.

Furthermore, the fixing base inner wall is equipped with the slip track, press the briquetting outer wall and be equipped with spacing muscle, rotatory piece outer wall is equipped with the direction muscle, and the spacing muscle of initial position and all be located the slip track with the direction muscle, make and slide from top to bottom along the slip track according to briquetting and rotatory piece.

Furthermore, the bottom of the fixing seat is provided with a limiting groove, the rotating block slides downwards and rotates to lock when the guide rib of the rotating block is clamped with the limiting groove, and the guide rib is separated from the limiting groove when the rotating block continues to slide downwards and rotates.

The embodiment also provides an excavator, which comprises the power supply start-stop button self-locking mechanism.

Compared with the prior art, the utility model discloses the beneficial effect who reaches:

the power opens stops button self-locking mechanism, with switch integration in throttle knob module assembly, accessible button realizes that a key opens and stops. The power switch module is integrated in the accelerator knob module, so that the independent placement of the power switch module can be avoided, and the panel space is saved; a power module assembly is eliminated, so that the material and the assembly cost can be saved; the power switch function is set as a start-stop button, so that the on-off operation of the main power supply of the excavator is simplified.

The utility model adopts the self-locking button mode, the position of the button is self-locked after being pressed down, the pressing state is kept, and the power supply is in the connection state; after the button is pressed again, the self-locking is released, the button rebounds, and the power supply is in a disconnected state; the one-key starting and stopping mode simplifies the on-off operation of the main power supply of the excavator.

Drawings

Fig. 1 is an isometric view of a power on/off button self-locking mechanism provided in an embodiment of the present invention;

FIG. 2 is a partial view of a left side view of an axial line position section of the power on-off button self-locking mechanism according to the embodiment;

fig. 3 is a schematic view of the rotation principle of the rotating block according to the embodiment.

In the figure: 1. a base; 2. compressing the spring; 3. a conductive frame; 31. a core barrel frame, 32, a side wing frame; 4. rotating the block; 5. a pressing block; 6. a fixed seat; 7. a microswitch; 8. a silicone rubber cover.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to 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.

Example 1

As shown in fig. 1 and 2, the power supply start-stop key self-locking mechanism comprises a base 1 with a cylindrical shell, a pressure spring 2 is installed in the cylindrical shell, a transmission frame 3 is arranged on the upper portion of the pressure spring 2, the transmission frame 3 comprises a cylindrical shell frame and side wing frames arranged on two sides of the top of the cylindrical shell frame, an axial limiting opening is formed in the upper portion of the cylindrical shell and matched with an axially protruding flange on the transmission frame 3 to circumferentially limit the transmission frame 3, and the cylindrical shell frame can only slide up and down in the cylindrical shell and cannot rotate; a pressing locking mechanism is arranged at the upper part of the core barrel frame, micro switches 7 are respectively arranged at two sides of the column barrel, and the side wing frame is respectively matched with the two micro switches 7; the pressing and locking structure presses and locks and pushes the transmission frame 3 to drive the microswitch 7 to be closed; the pressing locking structure is pressed again for unlocking, and the guide frame 3 bounces to disconnect the microswitch 7 when rising; and a silicon rubber cover 8 is arranged at the top of the pressing locking mechanism and serves as a power supply start-stop key.

In the embodiment, the micro switches 7 on the two sides of the column casing are connected in parallel, so that the micro switches 7 on the two sides are in a closed state or an open state simultaneously; the two micro switches 7 are arranged in parallel, so that one micro switch can still work after being damaged, and the excavator can not lose the power supply starting and stopping function.

As shown in fig. 2, the pressing locking mechanism of this embodiment includes a fixing seat 6, and a pressing block 5 and a rotating block 4 sleeved inside the fixing seat 6, wherein a sliding track is disposed on an inner wall of the fixing seat 6, a limiting rib is disposed on an outer wall of the pressing block 5, a guiding rib is disposed on an outer wall of the rotating block 4, and the initial position limiting rib and the guiding rib are both located in the sliding track, so that the pressing block 5 and the rotating block 4 slide up and down along the sliding track; the bottom of the fixed seat 6 is provided with a limit groove, the rotating block 4 slides downwards and rotates to lock when the guide rib is clamped with the limit groove, and the rotating block 4 continuously slides downwards and rotates to enable the guide rib to be separated from the limit groove. The rotation process of the rotating block is shown in fig. 3.

The specific operation process of the power supply start-stop button self-locking mechanism in the embodiment is as follows:

when an excavator driver needs to be powered on, the silicon rubber cover 8 (a power supply start-stop key) is pressed, the pressing block 5 is pressed to move downwards, and the limiting ribs on the pressing block 5 are positioned on the sliding rail on the fixed seat 6, so that the pressing block 5 can only move downwards along the rail; the rotary block 4 is subjected to the elastic force of the pressure spring 2 before being pressed, the guide rib position on the rotary block is also positioned on the sliding track of the fixed seat 6, when the pressing block 5 presses the rotary block downwards to the edge of the sliding track of the fixed seat 6, the guide rib position of the rotary block 4 is separated from the limit of the sliding track of the fixed seat 6 in the circumferential direction, the guide rib position of the rotary block 4 is in inclined surface contact with the pressing block 5 and the fixed seat 6 at the moment, the rotary block 4 is decomposed into tangential force in the circumferential direction under the upward elastic force of the pressure spring 2, and the rotary block 4 is driven to rotate; the guide rib position on the rotating block 4 is limited in the limit groove of the fixed seat 6 after the rotating block 4 rotates, so that the position of the rotating block 4 is kept at a pressing position, the conducting frame 3 is also pressed at the pressing position, and the side wing frames on the two sides of the conducting frame 3 press the micro switch 7 to close and electrify the micro switch.

When the excavator driver needs to cut off the power supply, the silicon rubber cover 8 (power supply start-stop key) is pressed again, the pressing block 5 is pressed down by a small amplitude, and meanwhile, the rotating block 4 is forced to vertically move downwards by a small amplitude; the rotating block 4 is pressed to be separated from the limiting groove and then rotates into the sliding track of the fixed seat 6 by the circumferential tangential force; after the power supply start-stop key is loosened, the rotating block 4 moves up to the top end along the track under the elastic force of the spring; at the moment, the transmission frame 3 is also jacked up by the elasticity of the pressure spring 2, and the transmission frame 3 loosens the two micro switches 7 at the two sides, so that the micro switches 7 are in an off state.

The power on/off action can be repeated by repeatedly pressing the silicon rubber cover 8 (power on/off button).

Example 2

The embodiment provides an excavator, which comprises the power supply start-stop button self-locking mechanism in the embodiment 1.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A power supply start-stop key self-locking mechanism is characterized by comprising a base with a cylindrical barrel, wherein a pressure spring is installed in the cylindrical barrel, a transmission frame is arranged at the upper part of the pressure spring, the transmission frame comprises a cylindrical barrel frame and side wing frames arranged on two sides of the top of the cylindrical barrel frame, and the cylindrical barrel frame can slide up and down in the cylindrical barrel and can limit rotation in the circumferential direction; the upper part of the core barrel frame is provided with a pressing locking mechanism, the two sides of the column barrel are respectively provided with a microswitch, and the side wing frame is respectively matched with the two microswitches; the pressing and locking structure presses and locks and pushes the conduction frame to drive the microswitch to be closed; the pressing locking structure presses and unlocks again, and the transmission frame bounces to disconnect the microswitch when rising; the top of the pressing locking mechanism is provided with a power supply start-stop key.

2. The power supply start-stop key self-locking mechanism according to claim 1, wherein the power supply start-stop key is a silicone rubber cover.

3. The power supply start-stop key self-locking mechanism is characterized in that the micro switches on the two sides of the column barrel are connected in parallel.

4. The power supply start-stop key self-locking mechanism according to claim 1, wherein an axial limiting opening is formed in the upper portion of the column casing and is matched with an axially protruding flange on the conduction frame to limit the conduction frame in the circumferential direction.

5. The power supply start-stop key self-locking mechanism is characterized in that the pressing locking mechanism comprises a fixed seat, and a pressing block and a rotating block which are sleeved inside the fixed seat, the pressing block and the rotating block can slide up and down in the fixed seat, the rotating block is rotated in the sliding process under the action of the elastic force of a pressure spring, the pressing block can be pressed to push the rotating block to a locking position, and the pressing block can be pressed again to push the rotating block to be separated from the locking position.

6. The power supply start-stop key self-locking mechanism is characterized in that a sliding track is arranged on the inner wall of the fixed seat, a limiting rib is arranged on the outer wall of the pressing block, a guiding rib is arranged on the outer wall of the rotating block, and the initial position limiting rib and the initial position guiding rib are both positioned in the sliding track so that the pressing block and the rotating block can slide up and down along the sliding track.

7. The power supply start-stop button self-locking mechanism according to claim 5, wherein a limiting groove is formed in the bottom of the fixing seat, the rotating block slides downwards and rotates until the guide rib is locked when being clamped with the limiting groove, and the rotating block continuously slides downwards and rotates to enable the guide rib to be separated from the limiting groove.

8. An excavator, characterized in that, comprises the power on-off button self-locking mechanism of any one of claims 1-7.