CN215789944U

CN215789944U - Mechanical finger

Info

Publication number: CN215789944U
Application number: CN202122190841.1U
Authority: CN
Inventors: 郭杰; 高兴兴; 张贺; 王猛; 李邵强; 曲宝庚
Original assignee: Qingdao Tosun Intelligent Technology Inc
Current assignee: Qingdao Tosun Intelligent Technology Inc
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-02-11
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a mechanical finger, comprising: support, the first body of rod, the second body of rod and drive arrangement, the one end of the first body of rod is articulated through first articulated shaft with the one end of the second body of rod, and the cover is equipped with first torsional spring on the first articulated shaft, and the other end of the second body of rod is equipped with the conductive rubber head, and the first body of rod passes through the second articulated shaft and articulates on the support. When using, drive arrangement can drive the first body of rod and rotate around the second articulated shaft to drive the conductive rubber head on the second body of rod and click touch screen, because the second body of rod is articulated to be articulated relation with the first body of rod, consequently after conductive rubber head and touch screen contact, along with drive arrangement's continuation rotation, can make the second body of rod rotate around first articulated shaft, thereby avoid pressure too big and harm touch screen.

Description

Mechanical finger

Technical Field

The utility model relates to the technical field of intelligent control, in particular to a mechanical finger.

Background

At present, equipment for replacing manual operation of touch screens such as mobile phones and the like is simple in function, low in automation level, large in action amplitude and large in damage to the screen, and can not be self-adaptive to equipment with touch screens of different thicknesses, and actions such as clicking, double clicking and the like can be generally completed only in a vertical mode.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide a mechanical finger, which can reduce damage to a touch screen.

In order to achieve the purpose, the utility model provides the following technical scheme:

a mechanical finger comprising: support, the first body of rod, the second body of rod and drive arrangement, the one end of the first body of rod with the one end of the second body of rod is articulated through first articulated shaft, the cover is equipped with first torsional spring on the first articulated shaft, the other end of the second body of rod is equipped with the conductive rubber head, the first body of rod articulates through the second articulated shaft on the support, drive arrangement is used for the drive the first body of rod winds the second articulated shaft rotates, in order to drive on the second body of rod the touch screen is clicked to the conductive rubber head.

Preferably, the driving device includes a stepping motor and a cam, the cam is fixed on an output shaft of the stepping motor, an outer peripheral surface of the cam contacts with a side surface of the first rod body, and the stepping motor is used for driving the cam to rotate so as to drive the first rod body to swing around the second hinge shaft.

Preferably, the cam further comprises an abutting piece, and the abutting piece is used for abutting the side face of one end, far away from the second rod body, of the first rod body on the cam.

Preferably, the stepping motor and the tightening piece are fixed on the bracket.

Preferably, the piece that supports includes second torsional spring and installation axle, the installation axle is fixed on the support, the second torsional spring cover is established install epaxial, the both ends of second torsional spring respectively with the support with the first body of rod supports tightly.

Preferably, the device further comprises a Hall sensor connected with the stepping motor, and the Hall sensor is used for detecting the number of turns of the cam.

Preferably, the second hinge shaft is connected to the bracket through a bearing.

Preferably, the one end of the second body of rod is equipped with U type groove, the one end of the first body of rod is located U type inslot, be equipped with the confession on the lateral wall in U type groove the through-hole that first articulated shaft penetrated.

Preferably, the second rod is a flexible rod.

Preferably, the conductive rubber head is of a ball shape.

Compared with the prior art, the technical scheme has the following advantages:

when the mechanical finger is used, the driving device can drive the first rod body to rotate around the second hinged shaft so as to drive the conductive rubber head on the second rod body to click the touch screen, and the second rod body is hinged with the first rod body, so that after the conductive rubber head is contacted with the touch screen, the second rod body rotates around the first hinged shaft along with the continuous rotation of the driving device, and the touch screen is prevented from being damaged due to overlarge pressure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic perspective view of a mechanical finger;

FIG. 2 is a front view of a mechanical finger;

fig. 3 is a schematic structural view of the first rod and the second rod.

The reference numbers are as follows:

1 is the support, 2 is the first body of rod, 3 is the second body of rod, 4 is the conducting rubber head, 5 is first articulated shaft, 6 is first torsional spring, 7 is the second articulated shaft, 8 is the bearing, 9 is step motor, 10 is the cam, 11 is hall sensor, 12 is the installation axle, 13 is the second torsional spring, 14 is U type groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, fig. 1 is a schematic perspective view of a mechanical finger; FIG. 2 is a front view of a mechanical finger; fig. 3 is a schematic structural view of the first rod and the second rod.

The mechanical finger provided by the embodiment of the utility model comprises: support 1, the first body of rod 2, the second body of rod 3 and drive arrangement, the one end of the first body of rod 2 is articulated through first articulated shaft 5 with the one end of the second body of rod 3, can be equipped with U type groove 14 in the one end of the second body of rod 3 for example, and the one end of the first body of rod 2 is located U type groove 14, is equipped with the through-hole that supplies first articulated shaft 5 to penetrate on the lateral wall of U type groove 14. The other end of the second body of rod 3 is equipped with conductive rubber head 4, and conductive rubber head 4 is preferred the ball-type, and click touch screen that can the multi-angle contains conductive silica gel and electrically conductive sponge in the material of conductive rubber head 4, and the second body of rod 3 is preferred the flexible body of rod, can reduce the pressure damage to touch screen through the flexible body of rod. Wherein the first rod 2 is articulated on the support 1 by means of a second articulation 7, the second articulation 7 being preferably mounted on the support 1 by means of a bearing 8 in order to reduce friction. When using, drive arrangement can drive first body of rod 2 and rotate around second articulated shaft 7 to drive the conductive rubber head 4 on the second body of rod 3 and click the touch screen, because the second body of rod 3 is articulated to be articulated relation with first body of rod 2, consequently after conductive rubber head 4 and touch screen contact, along with drive arrangement's continuation rotation, can make the second body of rod 3 rotate around first articulated shaft 5, thereby avoid pressure too big and harm the touch screen. Wherein the cover is equipped with first torsion spring 6 on the first articulated shaft 5, and first torsion spring 6 can control the second body of rod 3 and reset to click the operation next time.

Specifically, the driving device comprises a stepping motor 9 and a cam 10, wherein the stepping motor 9 is fixed on the bracket 1, the cam 10 is fixed on an output shaft of the stepping motor 9, and the outer peripheral surface of the cam 10 is in contact with the side surface of the first rod body 2. The stepping motor 9 can drive the cam 10 to rotate so as to drive the first rod body 2 to swing around the second hinge shaft 7, and further control the conductive rubber head 4 on the second rod body 3 to click the touch screen. Besides the oscillation of the first rod 2 and the second rod 3 by the cam 10, it can also be realized by an eccentric, a crank-link mechanism or other mechanisms.

Further, a Hall sensor 11 connected with the stepping motor 9 is also included, and the Hall sensor 11 can detect the number of turns of the cam 10. Wherein step motor 9 control cam 10 is once changeed the round, can make conductive rubber head 4 carry out once single action, and cam 10 changes two circles in succession, and conductive rubber head 4 can carry out once double action, after conductive rubber head 4 and touch screen contact, controls step motor 9 stall, can realize once pressing the action for a long time. In order to realize the sliding operation of the touch screen, a plane moving device may be further provided to drive the support 1 to move in a plane.

Further, still include and support the piece, support the piece and can fix on support 1 tightly, support the piece and be used for supporting the side of keeping away from the one end of second body of rod 3 on the first body of rod 2 tightly on cam 10 to guarantee that first body of rod 2 contacts tangentially with cam 10 all the time. The abutting part specifically comprises a second torsion spring 13 and a mounting shaft 12, the mounting shaft 12 is fixed on the support 1, the second torsion spring 13 is sleeved on the mounting shaft 12, two ends of the second torsion spring 13 abut against the support 1 and the first rod body 2 respectively, and the mounting shaft 12 is preferably a pin.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The mechanical finger provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A mechanical finger, comprising: support (1), the first body of rod (2), the second body of rod (3) and drive arrangement, the one end of the first body of rod (2) with the one end of the second body of rod (3) is articulated through first articulated shaft (5), the cover is equipped with first torsional spring (6) on first articulated shaft (5), the other end of the second body of rod (3) is equipped with conductive rubber head (4), the first body of rod (2) articulates through second articulated shaft (7) on support (1), drive arrangement is used for the drive the first body of rod (2) winds second articulated shaft (7) rotate, in order to drive on the second body of rod (3) the touch screen is clicked in conductive rubber head (4).

2. The mechanical finger according to claim 1, characterized in that the driving device comprises a stepping motor (9) and a cam (10), the cam (10) is fixed on an output shaft of the stepping motor (9), an outer circumferential surface of the cam (10) is in contact with a side surface of the first rod (2), and the stepping motor (9) is used for driving the cam (10) to rotate so as to drive the first rod (2) to swing around the second hinge shaft (7).

3. The mechanical finger according to claim 2, characterised in that it further comprises an abutment for abutting the side of the end of the first rod (2) remote from the second rod (3) against the cam (10).

4. The mechanical finger according to claim 3, characterised in that said stepping motor (9) and said abutment member are fixed to said support (1).

5. The mechanical finger according to claim 4, wherein the abutting member comprises a second torsion spring (13) and a mounting shaft (12), the mounting shaft (12) is fixed on the bracket (1), the second torsion spring (13) is sleeved on the mounting shaft (12), and two ends of the second torsion spring (13) abut against the bracket (1) and the first rod body (2) respectively.

6. The mechanical finger according to any one of claims 2 to 5, characterised by further comprising a Hall sensor (11) connected to said stepping motor (9), said Hall sensor (11) being adapted to detect the number of rotations of said cam (10).

7. Robot finger according to any of the claims 1 to 5, characterized in that the second hinging axis (7) is connected with the bracket (1) by means of a bearing (8).

8. The mechanical finger according to any of the claims from 1 to 5, characterised in that one end of said second rod (3) is provided with a U-shaped groove (14), one end of said first rod (2) is positioned in said U-shaped groove (14), and the side wall of said U-shaped groove (14) is provided with a through hole for the penetration of said first articulated shaft (5).

9. The mechanical finger according to any of the claims from 1 to 5, characterised in that said second shaft (3) is a flexible shaft.

10. The mechanical finger according to any of the claims from 1 to 5, characterised in that said conductive rubber head (4) is of spherical type.