CN214797214U

CN214797214U - Switching value output gear handle adopting tilt switch

Info

Publication number: CN214797214U
Application number: CN202121169480.6U
Authority: CN
Inventors: 李锐; 何光义; 郑达标; 张莉; 王丽
Original assignee: XUZHOU HIRSCHMANN ELECTRONICS CO Ltd
Current assignee: XUZHOU HIRSCHMANN ELECTRONICS CO Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-11-19
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a switching value output gear handle adopting a tilt switch, which belongs to the mechanical engineering control field, wherein the gear handle is provided with a plurality of gears and comprises a main shell and a rotating shaft; the rotating shaft is arranged in the main shell through a base; the rotating shaft is connected with a rocker and a circuit board shell; the circuit board is arranged in the circuit board shell; the circuit board and the circuit board shell rotate along with the rotating shaft; the circuit board is provided with a plurality of inclined switches, the inclined switches are distributed around the axis of the rotating shaft or in a semi-encircling manner, and the angle distance between the inclined switches is consistent with the angle distance between gears; when the gear handle is operated to enter a gear, the corresponding tilt switch is closed, and the tilt switches corresponding to the other gears are opened; compared with the gear handle with the cam structure, the utility model has simple structure and small volume; the inclined switch replaces an electric brush switch structure, so that the service life is prolonged, and the production cost is reduced.

Description

Switching value output gear handle adopting tilt switch

Technical Field

The utility model belongs to the technical field of the switch, concretely relates to gear handle.

Background

The gear handle controller of the current industrial control basically adopts a cam switch structure or a brush switch structure. The handle cam switch has a complex structure, and a large number of cams and switches are needed for a handle requiring a plurality of switching value outputs, so that the size is large, the installation is complex, and the impact and the abrasion exist when the cams and the switches are in direct contact detection, so that the service life is influenced; the handle brush switch structure has high requirements on the contact and the conductive coating, has good oxidation and corrosion resistance, high wear resistance and high cost, and leads to unreliable contact conduction caused by abrasion or oxidation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adopt tilt switch's switching value output gear handle has small, long service life's characteristics.

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

a switching value output gear handle adopting an inclined switch is provided with a plurality of gears and comprises a main shell and a rotating shaft; the rotating shaft is arranged in the main shell through a base; the rotating shaft is connected with a rocker and a circuit board shell; the circuit board is arranged in the circuit board shell; the circuit board and the circuit board shell rotate along with the rotating shaft; the circuit board is provided with a plurality of inclined switches, the inclined switches are distributed around the axis of the rotating shaft or in a semi-encircling manner, and the angle distance between the inclined switches is consistent with the angle distance between gears; when the gear handle is operated to enter a gear, the corresponding tilt switch is closed, and the tilt switches corresponding to the other gears are opened.

Preferably, a positioning mechanism for fixing the rotating shaft is arranged on the base; the positioning mechanism comprises a plug, a spring, a guide pillar and a ball head; the base is provided with a through hole; the through hole is sequentially provided with a plug, a spring, a guide pillar and a ball head from outside to inside; the spring is sleeved on the guide post and extrudes the ball head through the guide post; a plurality of ball sockets matched with the ball heads are arranged on the side wall of the rotating shaft; each ball socket corresponds to each gear of the gear handle.

Preferably, the rotating shaft is rotatably connected to the base through two shaft sleeves; the shaft sleeve is in interference fit with the base, and the rotating shaft is in shaft hole clearance fit with the shaft sleeve; the two shaft sleeves clamp the rotating shaft in the middle of the base.

Preferably, a cable joint for electrifying the circuit board is arranged on the main shell; and the circuit board shell is provided with a wire buckle.

Preferably, a sliding groove is arranged on the main shell; the rocker penetrates through the sliding groove of the main shell and extends to the end face of the rotating shaft; the circuit board shell and the rocker are fixed on the rotating shaft through screws.

Preferably, a gear mark is arranged on the main shell; the gear marks are distributed along the sliding groove; the initial position of the rocker is over against the middle gear mark on the shell.

Preferably, the tilt switch is oriented towards the axis of the shaft.

Preferably, a pouring sealant for sealing is arranged between the circuit board shell and the circuit board.

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

the rotating shaft of the utility model is connected with a rocker; the circuit board is arranged in the circuit board shell; the circuit board and the circuit board shell rotate along with the rotating shaft; the circuit board is provided with a plurality of inclined switches, when the gear handle is operated to enter a gear, the corresponding inclined switches are closed, the corresponding circuit enters the working state of the gear, and the switches corresponding to the other gears are opened; compared with a gear handle with a cam structure, the gear handle is simple in structure and small in size; the inclined switch replaces an electric brush switch structure, so that the service life is prolonged, and the production cost is reduced.

Drawings

Fig. 1 is an exploded view of a switching value output gear lever employing a tilt switch according to an embodiment of the present invention;

fig. 2 is an isometric view of a switching value output gear lever employing a tilt switch according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a circuit board provided by an embodiment of the present invention;

in the figure: the device comprises a rocker 1, a main shell 2, a gear position mark 21, a cover plate 3, a base 4, a shaft sleeve 5, a rotating shaft 6, a positioning mechanism 7, a plug 71, a spring 72, a guide pillar 73, a ball head 74, a circuit board shell 8, a circuit board 9, a limit switch 91, a wire buckle 10 and a cable joint 11.

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.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in the figure, the switching value output gear handle adopting the inclined switch is provided with a plurality of gears and comprises a main shell 2, a rotating shaft 6 and a cover plate 3 for covering the main shell 2; the rotating shaft 6 is arranged in the main shell 2 through the base 4; the rotating shaft 6 is rotatably connected to the base 4 through two shaft sleeves 5; the shaft sleeve 5 is in interference fit with the base 4, and the rotating shaft 6 is in shaft hole clearance fit with the shaft sleeve 5; when in assembly, one shaft sleeve 5 is pressed into the base 4, then the rotating shaft 6 is assembled, and then the other shaft sleeve is assembled in the base 4; the rotating shafts of the two shaft sleeves 5 are clamped in the middle of the base 4, and the rotating shafts 6 are axially limited and positioned.

The rotating shaft 6 is connected with a rocker and a circuit board shell; a sliding groove 21 is arranged on the main shell 2; the rocker 1 penetrates through the sliding groove of the main shell 2 and extends to the end surface of the rotating shaft 6; the circuit board shell 8 and the rocker 1 are fixed on the rotating shaft 6 through screws, and the structure is convenient to mount and maintain; a gear mark 21 is arranged on the main shell 2; the gear marks 21 are distributed along the sliding groove; the initial position of the rocker 1 is opposite to the middle gear mark 21 on the shell.

The circuit board 9 is arranged in the circuit board shell 8; after the circuit board 9 is installed on the circuit board shell 8, pouring sealant is carried out to prevent dust from entering the circuit board shell 8 and affecting the performance and the service life of the circuit board 9; the circuit board 9 and the circuit board shell 8 rotate along with the rotating shaft 6; a plurality of inclined switches 91 are arranged on the circuit board 9, the inclined switches 91 are distributed in a fan shape around the axis of the rotating shaft 6 in a semi-circle mode, and the angle distance between the inclined switches 91 is consistent with the angle distance between gears; the tilt switch 91 faces the axis of the rotating shaft 6; the main shell 2 is provided with a cable joint 11 for electrifying the circuit board; the circuit board shell 8 is provided with a wire buckle 10, and is connected with an external current source through a cable joint 11 and the wire buckle 10; when the gear handle is operated to enter a gear, the corresponding tilt switch 91 is closed, the gear signal is output to the corresponding circuit, and the tilt switches 91 corresponding to the other gears are opened; the cover plate 3 fixes the rotating shaft 6, the circuit board shell 8 and the circuit board 9 in the main shell 2; the cover plate 3 is connected to the main housing 2 by screws.

A positioning mechanism 7 for fixing the rotating shaft is arranged on the base 4, and the gear handle is fixed at different gear positions through the positioning mechanism 7; the positioning mechanism 7 comprises a plug 71, a spring 72, a guide post 73 and a ball head 74; a through hole is formed in the base 4; the through hole is sequentially provided with a plug 71, a spring 72, a guide post 73 and a ball head 74 from outside to inside; the plug 71 is fixedly arranged on the base 4 and used for fixing and sealing the positioning mechanism 7; the spring 72 is sleeved on the guide post 73 and presses the ball head 74 towards the direction of the rotating shaft 6 through the guide post 73; a plurality of ball sockets matched with the ball heads are arranged on the side wall of the rotating shaft 6; each ball socket corresponds to each gear of the gear handle; when the ball head 74 is pressed into the socket, a temporary fixing of the shaft 6 is achieved.

The working principle is that the circuit board 9 is connected with an external current source through a cable joint 11; the initial position of the rocker 1 is over against the middle gear mark 21 on the shell; when the worker needs to shift gears, the rocker 1 is manually rotated, so that the rotating shaft 6 rotates in the base 4; the circuit board shell 8 and the circuit board 9 rotate along with the rotating shaft 6; the spring 72 presses the ball head 74 towards the direction of the rotating shaft 6 through the guide post 73; when the gear handle is operated to enter a certain gear, the ball head 74 is extruded into the corresponding ball socket, and the temporary fixation of the rotating shaft 6 is realized; the corresponding tilt switch 91 enters the closed angle range and outputs the shift position signal, and the tilt switches 91 corresponding to the remaining shift positions are in the open angle range.

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 considered as the protection scope of the present invention.

Claims

1. A switching value output gear handle adopting an inclined switch is provided with a plurality of gears and comprises a main shell (2) and a rotating shaft (6); the device is characterized in that the rotating shaft (6) is arranged in the main shell (2) through the base (4); the rotating shaft (6) is connected with a rocker (1) and a circuit board shell (8); the circuit board (9) is arranged in the circuit board shell (8); the circuit board (9) and the circuit board shell (8) rotate along with the rotating shaft (6); a plurality of inclined switches (91) are arranged on the circuit board (9), the inclined switches (91) are distributed around the axis of the rotating shaft (6) in a surrounding or semi-surrounding manner, and the angle intervals among the inclined switches (91) are consistent with the angle intervals among the gears; when the gear handle is operated to enter a gear, the corresponding tilt switch (91) is closed, and the tilt switches (91) corresponding to the rest gears are opened.

2. Gear lever according to claim 1 characterized in that the base is provided with a positioning mechanism (7) for fixing the rotation shaft; the positioning mechanism (7) comprises a plug (71), a spring (72), a guide post (73) and a ball head (74); a through hole is formed in the base (4); the through hole is sequentially provided with a plug (71), a spring (72), a guide post (73) and a ball head (74) from outside to inside; the spring (72) is sleeved on the guide post (73) and extrudes the ball head (74) through the guide post (73); a plurality of ball sockets matched with the ball heads (74) are arranged on the side wall of the rotating shaft (6); each ball socket corresponds to each gear of the gear handle.

3. Gear lever according to claim 1 characterized in that the shaft (6) is rotatably connected to the base (4) by means of two bushings (5); the shaft sleeve (5) is in interference fit with the base (4), and the rotating shaft (6) is in shaft hole clearance fit with the shaft sleeve (5); the two shaft sleeves (5) clamp the rotating shaft (6) in the middle of the base (4).

4. Gear handle according to claim 1, characterized in that the general housing (2) is provided with a cable connection (11) for the circuit board to be energized; and a wire buckle (10) is arranged on the circuit board shell (8).

5. Gear lever according to claim 1 characterized in that the general housing (2) is provided with a sliding groove; the rocker (1) penetrates through the sliding groove of the main shell and extends to the end face of the rotating shaft; the circuit board shell (8) and the rocker (1) are fixed on the rotating shaft (6) through screws.

6. Gear handle according to claim 5 characterized in that said general housing (2) is provided with gear markings (21); the gear marks (21) are distributed along the sliding groove; the initial position of the rocker is over against the middle gear mark on the shell.

7. Gear handle according to claim 1, characterized in that the tilt switch (91) is directed towards the axis of the shaft (6).

8. Gear handle according to claim 1, characterized in that a potting compound for sealing is provided between the circuit board housing (8) and the circuit board (9).