CN214313018U

CN214313018U - Prevent power handle button structure of maloperation

Info

Publication number: CN214313018U
Application number: CN202120662508.3U
Authority: CN
Inventors: 郭毅军; 吴治中
Original assignee: Chongqing Xishan Science and Technology Co Ltd
Current assignee: Chongqing Xishan Science and Technology Co Ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-09-28
Anticipated expiration: 2031-03-31

Abstract

The utility model provides a power handle key structure for preventing misoperation, which comprises a handle shell, a support plate and an actuating mechanism, wherein the support plate and the actuating mechanism are arranged on the handle shell; the actuating mechanism comprises a rocker and trigger parts arranged on the rocker, and the trigger parts correspond to the trigger switches one by one; the near end of the rocker is in running fit with the support table, and the far end of the rocker is connected with a button; a limit structure is arranged between the support table and the actuating mechanism, and the swinging direction of the rocker is limited in the position of each trigger switch, so that the rocker can only swing towards the position of one trigger switch at a time. The utility model discloses, limit the direction of pressing of rocker through limit structure, make it can only swing towards each trigger switch place position, guarantee that operation can only press a trigger switch at every turn to avoid the maloperation.

Description

Prevent power handle button structure of maloperation

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to prevent power handle button structure of maloperation.

Background

In the field of medical devices, it is common to employ a powered handle to power the device and to control the motion of the device by pressing various buttons on the powered handle. In the prior art, because a plurality of buttons are needed to control a plurality of actions of the instrument, the front surface and the two sides of the power handle are respectively provided with the operation buttons, the buttons are distributed and arranged, each button corresponds to a group of control keys, the number of parts is large, the installation structure is complex, and the distribution is scattered and inconvenient to operate.

In order to overcome the problems, an integrated key structure is provided in the field, and a button is integrated on the front side of a power handle, namely the position pressed by a forefinger, so that the pressing operation in the upper, lower, left, right and other directions is realized; the structure simplifies the key arrangement structure, but also brings new problems, because the pressing in multiple directions is carried out by operating one rocker, the spring support and the reset are arranged between each switch and the trigger part on the rocker, and the limit structure for limiting the pressing direction is not arranged, when the pressing operation is carried out, the switches in two directions are easily triggered simultaneously, so that the misoperation is caused.

SUMMERY OF THE UTILITY MODEL

In view of the above the not enough of prior art, the utility model aims to provide a prevent power handle button structure of maloperation presses two switches simultaneously when preventing the operation, avoids the maloperation.

In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:

a shell of the handle is provided with a handle shell,

the support plate is arranged on the handle shell and is provided with a support table and trigger switches distributed on the periphery of the support table;

the actuating mechanism is arranged on the handle shell, is used for pressing the trigger switch, and comprises a rocker and trigger parts arranged on the rocker, and the trigger parts correspond to the trigger switches one by one; the near end of the rocker is in rotating fit with the support table, and the far end of the rocker is connected with a button;

a limiting structure is arranged between the supporting table and the executing mechanism, the limiting structure limits the swinging direction of the rocker to the position of each trigger switch, and the limiting structure enables the rocker to swing only towards the position of one trigger switch at a time.

Optionally, the triggering portions are circumferentially arranged at intervals along the rocker, a limiting portion is arranged between two circumferentially adjacent triggering portions, a stopping portion is arranged on the supporting table corresponding to the limiting portion, and the stopping portion and the limiting portion form the limiting structure.

Optionally, the supporting table is rectangular, a limiting disc is connected to the outer side of the rocker, the triggering portion is arranged on the limiting disc, the limiting structure is formed by the limiting disc and four corners of the supporting table, and the edge of the supporting table limits the pressing stroke of the triggering portion.

Optionally, the number of the trigger switches is four, and the four trigger switches are located around the support table and respectively correspond to four swing directions of the rocker, namely, an upper swing direction, a lower swing direction, a left swing direction and a right swing direction.

Optionally, a limit groove is arranged on the support table in the direction opposite to the rocker along the trigger switch, and the motion direction of the rocker is limited by the limit groove.

Optionally, the proximal end of the rocker is rotatably engaged with the support platform via a spherical pair, or is connected via a universal hinge.

Optionally, the anti-misoperation power handle key structure further comprises an elastic reset element for keeping the rocker at the middle balance position when the rocker is not pressed.

Optionally, the elastic reset element is an elastic pad, and the elastic pad is arranged between the trigger switch and the corresponding trigger part; an avoiding hole is formed in the middle of the elastic cushion, and the elastic cushion is sleeved on the periphery of the supporting table through the avoiding hole.

Optionally, the trigger is integrally formed with the rocker.

Optionally, the handle housing is provided with a resilient retaining element for maintaining the rocker in contact with the support table.

As mentioned above, the utility model has the advantages that: the utility model discloses, limit the direction of pressing of rocker through limit structure, make it can only swing towards each trigger switch place position, because the swing direction is injectd, guarantee that operation can only press a trigger switch at every turn, avoid appearing pressing the condition of two adjacent trigger switches simultaneously to avoid the maloperation.

Drawings

FIG. 1 is a partial cross-sectional view of one embodiment;

FIG. 2 is an enlarged view of a portion of the drawing;

fig. 3 is an exploded view of a portion of the components in one embodiment.

Part number description:

1-a handle housing; 2-a support plate; 3-trigger switch; 4-supporting the table; 41-spherical groove; 42-a stop portion; 5-an elastic reset element; 51-avoiding holes; 6-a rocker; 61-a trigger; 62-a limiting part; 63-spherical structure; 7-an elastic holding element; 8-a button; 9-screw.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Examples

As shown in fig. 1 to 3, a power handle key structure for preventing misoperation comprises a handle shell 1, a support plate 2 and an actuating mechanism, wherein the handle shell 1 comprises a shell body and a grip which are connected, and the power handle key structure is arranged at the upper part of the grip or the joint of the grip and the shell body; in this example, the front button provided on the grip is explained; other embodiments may also include side buttons. The handle is provided with a mounting hole, the support plate 2 and the actuating mechanism are positioned in the mounting hole, the support plate 2 is mounted on the handle or other components in the handle through a screw 9, the support plate 2 is provided with a support table 4 and a plurality of trigger switches 3, generally 3 to 4, and each trigger switch 3 is distributed on the periphery of the support table 4 and corresponds to four pressing directions, namely an upper pressing direction, a lower pressing direction, a left pressing direction and a right pressing direction; the supporting plate 2 is a key circuit board in this example.

The actuating mechanism comprises a rocker 6 and trigger parts 61 arranged on the rocker 6, and the number of the trigger parts 61 corresponds to that of the trigger switches 3 one by one; when the operation rocker 6 swings toward the trigger switch 3, the trigger section 61 presses the trigger switch 3 to perform a trigger operation; the near end of the rocker 6 is abutted against the support table 4 and is in running fit with the support table 4 through a spherical pair, so that multidirectional swinging is realized, and other universal hinged connection modes such as universal joint running connection and the like can be adopted; the remote end of the rocker 6 is connected with a button 8 so as to be convenient for manual pressing operation; a limit structure is arranged between the support table 4 and the actuating mechanism, the limit structure limits the swinging direction of the rocker 6 to the position of each trigger switch 3, namely the rocker 6 can only swing along each direction of the trigger switches 3, and the limit structure enables the rocker 6 to only swing towards the position of one trigger switch 3 at a time.

In one embodiment, the reset of the rocker 6 can be achieved by the reset of the respective trigger switch 3 (e.g. a microswitch), in this case, in order to keep the rocker 6 in the intermediate equilibrium position, the push-button structure of the power handle further comprises an elastic reset element 5, the elastic reset element 5 keeping the rocker 6 in the intermediate equilibrium position when not pressed, i.e. automatic reset after pressing.

Wherein, limit structure is including setting up spacing portion 62 on rocker 6 and setting up backstop portion 42 on a supporting bench 4, triggers portion 61 and sets up along rocker 6 circumference interval, is provided with spacing portion 62 between two adjacent trigger portions 61 of circumference, is provided with backstop portion 42 corresponding to spacing portion 62's position (being corresponding to the interval between two adjacent trigger portions 61 promptly) on a supporting bench 4, backstop portion 42 and spacing portion 62 constitute limit structure, when pressing rocker 6, backstop portion 42 supports spacing portion 62, and restriction rocker 6 is pushed down towards backstop portion 42 place position to avoid pressing two trigger switch 3 simultaneously.

In this embodiment, the support platform 4 is rectangular, the number of the trigger switches 3 is four, and the four trigger switches are located around the support platform 4 and respectively correspond to four swing directions of the rocker 6, namely, an upper swing direction, a lower swing direction, a left swing direction and a right swing direction, and of course, the trigger switches 3 may be arranged in three directions according to requirements. The outer side of the rocker 6 is connected with a limiting disc, the triggering parts 61 are arranged on the limiting disc, the limiting disc between two adjacent triggering parts 61 forms a limiting part 62, four corners of the supporting table 4 form stopping parts 42, and because the near end of the rocker 6 is abutted to the supporting table 4, when the rocker 6 swings towards a certain direction, the limiting disc is blocked by two adjacent corners of the supporting table 4, and cannot swing towards the direction (for example, 45-degree direction) where the four corners of the supporting table 4 are located, and even if the rocker 6 can swing towards the directions of the four corners of the supporting table 4, the triggering parts 61 cannot be contacted with the trigger switch 3; can only swing along the direction vertical to the edge of the support table 4 (for example, four directions of up, down, left and right), thereby preventing the two trigger switches 3 from being triggered simultaneously; wherein, the edge of the supporting platform 4 has still further limited the stroke of pushing down of the trigger part 61, in the swing course of rocker 6, can not continue the swing after the edge of trigger part 61 and supporting platform 4 offsets to limit the stroke of pushing down, avoid pressing the trigger switch 3 bad.

In this example, a spherical groove 41 is formed in the center of the support platform 4, a convex spherical structure 63 is formed at one end of the rocker 6 facing the support platform 4, and the spherical structure 63 is matched with the spherical groove 41 to realize the relative swing of the rocker 6 and the support platform 4; in other embodiments, the positions of the spherical groove 41 and the convex spherical structure can be reversed.

In another embodiment, a limit groove is arranged on the support table 4 along the direction opposite to the rocker 6 of the trigger switch 3, and the motion direction of the rocker 6 passes through the limit groove; for example, four limit grooves are arranged up, down, left and right to form a cross groove structure, the near end of the rocker 6 is positioned in the center of the cross groove, and the swinging direction is along the direction of the cross groove, so that the same purpose is achieved.

As shown in fig. 2 and 3, an elastic pad is disposed between the trigger switch 3 and the trigger portion 61, and the elastic pad supports the rocker 6 via the limiting plate or the trigger portion 61, so that the rocker 6 is maintained at the intermediate position when not pressed. In this embodiment, the middle of the elastic pad is provided with a relief hole 51 corresponding to the support platform 4, and the elastic pad is sleeved on the periphery of the support platform 4 through the relief hole 51, in this embodiment, the elastic pad is made of silica gel. The elastic pad is convenient for the rocker 6 to return to positive on the one hand, on the other hand increases and presses the cushioning stroke and improves switch response effect.

In this example, the stopper 62 and the trigger 61 are integrally formed with the rocker 6. The handle shell 1 is also provided with an elastic retaining element 7 for keeping the rocker 6 in contact with the support table 4 to prevent the rocker 6 from separating from the support table 4 or the handle shell 1, in this case, the elastic retaining element 7 is an elastic sleeve mounted on the handle shell 1, the elastic sleeve is connected with the distal end of the rocker 6 to limit the axial position of the rocker 6, but does not interfere with the swinging of the rocker 6, the elastic retaining element 7 can also be a spring, a baffle ring is arranged on the handle shell 1 on the side of the limiting disc, which is away from the support table 4, and two ends of the spring respectively abut against the baffle ring and the limiting disc to keep the rocker 6 in contact with the support table 4.

The utility model discloses, limit rocker 6's the direction of pressing through limit structure, make it can only swing towards each trigger switch 3 place position, guarantee that operation can only press a trigger switch 3 at every turn, avoid appearing pressing the condition of two adjacent trigger switches 3 simultaneously. The operating performance and reliability of the power handle key are improved.

Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a prevent power handle button structure of maloperation which characterized in that includes:

a shell of the handle is provided with a handle shell,

2. The power handle key structure of claim 1 for preventing misoperation, wherein: the trigger parts are arranged at intervals along the circumferential direction of the rocker, a limiting part is arranged between two circumferentially adjacent trigger parts, a stopping part is arranged on the support table corresponding to the limiting part, and the stopping part and the limiting part form the limiting structure.

3. The power handle key structure of claim 2 for preventing misoperation, wherein: the supporting table is rectangular, a limiting disc is connected to the outer side of the rocker, the triggering portion is arranged on the limiting disc, the limiting structure is formed by the limiting disc and four corners of the supporting table, and the edge of the supporting table limits the pressing stroke of the triggering portion.

4. The power handle key structure of claim 3 for preventing misoperation, wherein: the number of the trigger switches is four, the trigger switches are positioned on the periphery of the supporting table and respectively correspond to the upper swing direction, the lower swing direction, the left swing direction and the right swing direction of the rocker.

5. The power handle key structure of claim 1 for preventing misoperation, wherein: a limiting groove is formed in the supporting table in the direction opposite to the rocker along the trigger switch, and the motion direction of the rocker is limited through the limiting groove.

6. The power handle key structure of claim 1 for preventing misoperation, wherein: the near end of the rocker is in running fit with the support table through a spherical pair or is connected through a universal hinge structure.

7. The misoperation prevention power handle key structure according to any one of claims 1 to 6, wherein: the misoperation prevention power handle key structure also comprises an elastic reset element used for keeping the rocker at the middle balance position when the rocker is not pressed.

8. The power handle key structure of claim 7 for preventing misoperation, wherein: the elastic reset element is an elastic cushion, the elastic cushion is arranged between the trigger switch and the corresponding trigger part, an avoiding hole is formed in the middle of the elastic cushion, and the elastic cushion is sleeved on the periphery of the supporting table through the avoiding hole.

9. The misoperation prevention power handle key structure according to any one of claims 1 to 6, wherein: the triggering part and the rocker are integrally formed.

10. The misoperation prevention power handle key structure according to any one of claims 1 to 6, wherein: the handle shell is provided with an elastic holding element for keeping the rocker in contact with the support table.