CN210923429U

CN210923429U - Low-speed reciprocating type touch screen friction and wear testing device

Info

Publication number: CN210923429U
Application number: CN201921834649.8U
Authority: CN
Inventors: 刘子义
Original assignee: Shenzhen Zhongren Energy Technology Co ltd
Current assignee: Shenzhen Zhongren Energy Technology Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-03
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a reciprocating type touch-sensitive screen friction wear test device of low-speed, including the conveyer, set up in bottom plate and the more than one friction test device of conveyer lower extreme, friction test device all includes casing, friction ball, sleeve pipe, screw rod and locating lever, all installs an axostylus axostyle on the both sides face of friction ball, and the internal face of casing just forms a fixed part to the equal inside protrusion of axostylus axostyle department, all embedded installation bearing on the opposite face of fixed part, and on axostylus axostyle one end all was fixed in the bearing, all overlapped there was a spring on the axostylus ax. The utility model discloses simple structure tests touch-sensitive screen's degree of resistance to wearing through the rolling friction of friction ball, and at the rolling in-process of friction ball, enables the resistance of friction ball through the spring and increases for the frictional force that moves the in-process from a left side to the right increases, thereby can detect out the degree of wear under different frictional force, can effectually form the contrast through a plurality of friction testing arrangement simultaneously, has increased the quality of test.

Description

Low-speed reciprocating type touch screen friction and wear testing device

Technical Field

The utility model relates to a touch-sensitive screen technical field, concretely relates to reciprocating type touch-sensitive screen friction wear testing arrangement of low-speed.

Background

The touch screen is also called as touch screen or touch panel, and is an inductive liquid crystal display device capable of receiving input signals of a touch head and the like, when a graphical button on the screen is touched, a touch feedback system on the screen can drive various connecting devices according to a pre-programmed program, so that the touch screen can be used for replacing a mechanical button panel, and vivid video and audio effects can be produced by a liquid crystal display picture. As a latest computer input device, the touch screen is the simplest, convenient and natural man-machine interaction mode at present. The multimedia interactive device gives the multimedia a brand-new appearance and is a brand-new multimedia interactive device with great attractiveness. The method is mainly applied to inquiry of public information, leadership office, industrial control, military command, electronic games, song and dish ordering, multimedia teaching, real estate pre-sale and the like.

Currently, since the touch screen is generally controlled by touching with a finger, it is important for the surface of the touch screen to be resistant to abrasion, and therefore it is necessary to perform a frictional abrasion detection on the touch screen before shipping to ensure the quality of the touch screen.

Disclosure of Invention

The utility model aims to solve the technical problem that a reciprocating type touch-sensitive screen friction wear testing arrangement of low-speed is provided to solve the problem that provides in the above-mentioned background art.

The utility model discloses a realize through following technical scheme: a low-speed reciprocating touch screen friction wear testing device comprises a conveyor, a bottom plate arranged at the lower end of the conveyor and more than one friction testing device, wherein the friction testing devices are transversely and uniformly arranged at the lower end of the conveyor and respectively comprise a shell, a friction ball, a sleeve, a screw rod and a positioning rod, the friction ball is arranged in the shell, one part of the friction ball extends to the outside along an opening of the shell, shaft rods are respectively arranged on two side surfaces of the friction ball, the inner wall surface of the shell is inwards protruded relative to the shaft rods to form a fixing part, bearings are respectively arranged on opposite surfaces of the fixing parts in an embedded manner, one end of each shaft rod is inserted into an inner ring of each bearing and is welded and fixed by the inner rings, a spring is respectively sleeved on each shaft rod, one end of each spring is arranged on the friction ball, the other end of each spring is arranged on the fixing part, and, the screw rod upper end is all located to the sleeve pipe cover to all with screw rod threaded connection, the roof is all installed to the sleeve pipe upper end, the equal adhesion in roof upper end is fixed in on the conveyer belt of conveyer.

As preferred technical scheme, one side that the top surface of casing is located the screw rod all upwards protrudes and forms a location portion, all is equipped with a locating hole on the location portion, and sheathed tube one side all outwards protrudes and forms an installation department, all is equipped with a through-hole on the installation department, and the locating lever all sets up in the through-hole, and the locating lever lower extreme all inserts in the locating hole, and a holding rod is all installed to the locating lever upper end.

Preferably, the conveyor is driven by a driving mechanism, and the driving mechanism is a speed reduction motor.

As the preferred technical scheme, more than one telescopic rod is arranged between the bottom plate and the conveyor, and a groove body for placing the touch screen is arranged on the surface of the bottom plate.

The utility model has the advantages that: the utility model discloses simple structure tests touch-sensitive screen's degree of resistance to wearing through the rolling friction of friction ball, and at the rolling in-process of friction ball, enables the resistance of friction ball through the spring and increases for the frictional force that moves the in-process from a left side to the right increases, thereby can detect out the degree of wear under different frictional force, can effectually form the contrast through a plurality of friction testing arrangement simultaneously, has increased the quality of test.

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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional view taken at A-A of FIG. 1;

fig. 3 is a partially enlarged view of fig. 2 at B.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and 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, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, fig. 2 and fig. 3, the friction testing device for a low-speed reciprocating touch screen of the present invention comprises a transmitter 1, a bottom plate 16 disposed at the lower end of the transmitter 1, and more than one friction testing device, wherein the friction testing devices are all horizontally and uniformly arranged at the lower end of the transmitter 1, each friction testing device comprises a housing 5, a friction ball 6, a sleeve 3, a screw 4 and a positioning rod 7, the friction ball 6 is disposed inside the housing 5, a part of the friction ball 6 extends to the outside along an opening of the housing 5, two side faces of the friction ball 6 are respectively provided with a shaft 11, an inner wall face of the housing 5 is inwardly protruded with respect to the shaft 11 to form a fixing portion 12, opposite faces of the fixing portion 12 are respectively provided with an embedded bearing 13, one end of the shaft 11 is inserted into an inner ring of the bearing 13 and is welded and fixed to the inner ring, the shaft 11 is respectively sleeved with a spring 14, one end of each spring 14 is mounted on the friction ball 6, the other end of each spring is mounted on the fixing part 12, the screw rods 4 are mounted on the top surface of the shell 5, the sleeves 3 are sleeved at the upper ends of the screw rods 4 and are in threaded connection with the screw rods 4, the upper ends of the sleeves 3 are respectively provided with a top plate, and the upper ends of the top plates are fixedly adhered to the conveying belt of the conveyor 1; the friction ball is a metal ball, the outer wall surface of the friction ball is wrapped with a rubber layer, and the rubber layer is in contact with the screen.

In this embodiment, one side that the top surface of casing 5 is located the screw rod all upwards protrudes and forms a locating part 8, all be equipped with a locating hole on locating part 8, one side of sleeve pipe 3 all outwards protrudes and forms an installation department 9, all be equipped with a through-hole on the installation department 9, locating lever 7 all sets up in the through-hole, locating lever 7 lower extreme all inserts in the locating hole, a holding rod 2 is all installed to locating lever 7 upper end, can effectually fix casing and friction ball's orientation through the locating lever, when the height-adjusting, can extract the locating lever from the locating hole, after the rotation of casing is accomplished, need with the locating lever in the new locating hole that inserts, make the direction of rolling of friction ball keep unanimous.

In this embodiment, the conveyor 1 is driven by a driving mechanism, the driving mechanism is a speed reduction motor 10, and the speed reduction motor can slowly drive the conveyor belt to rotate, so that the moving speed of the fingers can be better simulated.

In this embodiment, install more than one telescopic link between bottom plate 16 and the conveyer 1, the cell body 15 of placing the touch-sensitive screen is installed on the surface of bottom plate 16, can effectual adjustment conveyer's height through the telescopic link for the friction ball of lower extreme can both be with the screen contact of touch-sensitive screen.

Place the touch-sensitive screen in the cell body, make the outer wall of friction ball and the screen contact of touch-sensitive screen, restart gear motor, can the effectual transmission band that drives on the conveyer, the removal of transmission band has driven the casing, the removal of casing has driven the friction ball, make the friction ball roll on the screen, the roll of friction ball has driven axostylus axostyle and spring, make the spring twist reverse, thereby the friction ball is at the rolling in-process from a left side to the right, the resistance that receives can increase, the roll speed of friction ball reduces, increased and the screen between the friction, thereby can be clear-and-definite test out the degree of wear of screen under different friction dynamics.

Wherein, the high controllability of casing, during control, extracts the locating lever from the locating hole earlier to rotatory casing, the rotation of casing has driven the screw rod, makes the screw rod stretch out from the sleeve pipe, makes the friction ball can be inseparabler support on the screen, thereby increased and the screen between the friction, make the friction testing arrangement of both sides can contrast, increased the quality that detects.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a reciprocating type touch-sensitive screen friction wear testing arrangement of low-speed which characterized in that: the friction testing device comprises a transmission machine, a bottom plate and more than one friction testing device, wherein the bottom plate is arranged at the lower end of the transmission machine, the friction testing devices are transversely and uniformly arranged at the lower end of the transmission machine, the friction testing devices respectively comprise a shell, a friction ball, a sleeve, a screw rod and a positioning rod, the friction ball is arranged in the shell, one part of the friction ball extends to the outside along an opening of the shell, shaft levers are respectively arranged on two side surfaces of the friction ball, the inner wall surface of the shell just opposite to the shaft levers protrudes inwards to form a fixing part, bearings are respectively arranged on the opposite surfaces of the fixing parts in an embedded mode, one ends of the shaft levers are respectively inserted into inner rings of the bearings and are respectively welded and fixed by the inner rings, a spring is respectively sleeved on the shaft levers, one end of the spring is respectively arranged on the friction ball, the other end of the spring is, the roof is all installed to the sleeve pipe upper end, and the equal adhesion in roof upper end is fixed in on the conveyer belt of conveyer.

2. The low-speed reciprocating touch screen friction and wear testing device of claim 1, wherein: one side of the top surface of the shell, which is located on the screw rod, is upwards protruded to form a positioning portion, a positioning hole is formed in the positioning portion, one side of the casing is outwards protruded to form an installation portion, a through hole is formed in the installation portion, the positioning rod is arranged in the through hole, the lower end of the positioning rod is inserted into the positioning hole, and a holding rod is arranged at the upper end of the positioning rod.

3. The low-speed reciprocating touch screen friction and wear testing device of claim 1, wherein: the transmission machine is driven by a driving mechanism which is a speed reducing motor.

4. The low-speed reciprocating touch screen friction and wear testing device of claim 1, wherein: more than one telescopic rod is arranged between the bottom plate and the conveyor, and a groove body for placing the touch screen is arranged on the surface of the bottom plate.