CN210466211U

CN210466211U - Corner bracket for front frame of infrared touch screen

Info

Publication number: CN210466211U
Application number: CN201921932005.2U
Authority: CN
Inventors: 关强
Original assignee: Pccw Shenzhen Technology Co Ltd
Current assignee: Pccw Shenzhen Technology Co Ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-05-05
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a corner bracket for an infrared touch screen front frame, which comprises a mounting bar and an inserting lug, wherein one side of the mounting bar is provided with a chute, the inserting lug is provided with an inclined plane matched with the chute, the top of the mounting bar is provided with a U-shaped groove, the bottom of the U-shaped groove is provided with a groove, two sides of the inserting lug are provided with inserting blocks matched with the U-shaped groove, two sides of each inserting block are connected with clamping blocks matched with the groove, a contraction part is connected between the two clamping blocks and is arranged in the inserting block, a holding block is connected between the two inserting blocks, the corner bracket for the infrared touch screen front frame is convenient for the contraction of the clamping blocks at two sides of the inserting block through the arranged expansion part, the tenon structure can be conveniently taken out during replacement and maintenance, the damage of an infrared touch display screen caused by forcibly pulling out the tenon structure under the fixed condition of the four mounting bars is avoided, and meanwhile, the rubber block is arranged, so that the shrinkage piece is limited conveniently, and the pressure test on the expansion piece is facilitated to be shrunk.

Description

Corner bracket for front frame of infrared touch screen

Technical Field

The utility model relates to a display screen and technical field specifically are a corner bracket for frame before infrared touch-sensitive screen.

Background

An Infrared Technology Touch Screen (Infrared Touch Screen Technology) is composed of Infrared emitting and receiving sensing elements mounted on the outer frame of the Touch Screen, and an Infrared detecting net is formed on the Screen surface, and any Touch object can change the Infrared on the Touch points to realize the Touch Screen operation. The infrared touch screen is implemented on the principle similar to the surface acoustic wave touch screen, and uses infrared emitting and receiving sensing elements. The elements form an infrared detection network on the surface of the screen, and an object (such as a finger) operated by touch can change the infrared ray of a touch point and further be converted into a coordinate position of touch to realize the response of the operation.

The emitting and receiving area of the infrared touch screen is arranged at the edge of the outer frame of the display screen and is usually fixed by a plurality of screws, which brings unnecessary troubles for disassembly, the prior patent document with the patent application number of 201520045724.8 provides a corner connecting piece and an infrared touch screen frame, the design product is beneficial to tenon joints of a lug and a mounting groove by designing the lug, the use of the screws is reduced, but after the outer frame of the infrared touch screen is assembled and contacted, the tenon joints of the lug are simpler, the lug needs to be broken off in the disassembly process, the tenon joints are jointed with the mounting groove wall, an integral frame is formed at four corners, a splicing structure can be formed between two opposite mounting grooves, the connection of the included angles of four 90 mounting bars is stable, the lug structure inserted into the integral frame is forcibly pulled open, the mounting wall and the contact surface of the lug deform, which is not beneficial to the next installation and use, therefore, the corner bracket for the front frame of the infrared touch screen is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an infrared touch screen front bezel is with corner frame to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an infrared touch screen is corner brace for front bezel, includes mounting bar and grafting lug, mounting bar one side is equipped with the chute, be equipped with the inclined plane that matches with the chute on the grafting lug, the mounting bar top is equipped with U type groove, and U type bottom of the groove portion is equipped with the recess, grafting lug both sides are equipped with the grafting piece that matches with U type groove, grafting piece both sides are connected with the fixture block that matches with the recess, two be connected with the shrink piece between the fixture block, and shrink piece installs inside the grafting piece, be connected with between two grafting pieces and hold the piece, the shrink piece is favorable to the fixture block shrink of grafting piece both sides, is convenient for take out the grafting lug.

Preferably, the shrink piece includes the telescopic link, the inside mounting groove that is equipped with of grafting piece, the telescopic link is located inside the mounting groove, and the telescopic link both ends are connected with the baffle, the baffle is connected with the fixture block, the spring has been cup jointed in the telescopic link outside, the baffle top is connected with the push rod, grafting piece top is equipped with two slide rails, and two push rod sliding connection inside the slide rail, telescopic link and spring cooperation effect are convenient for to the shrink and the stability of fixture block.

Preferably, the top of the plug-in block is provided with a rubber block, one end of the rubber block is connected with the holding block, a strip-shaped groove is arranged in the rubber block, two sides of the push rod are in contact with the wall of the strip-shaped groove, and the rubber block is convenient to limit the push rod.

Preferably, the outer side of the holding block is provided with anti-slip stripes, so that the plugging of the plugging convex blocks is facilitated.

Preferably, the mounting bar top and one side of the insertion lug are both provided with mounting holes, which is beneficial to the fixed mounting of the insertion lug and the mounting bar.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the device has kept the tenon, the use of current infrared touch-sensitive screen corner screw has been reduced structurally at original tenon, the fixture block shrink of the inserted block both sides of being convenient for through the extensible member that establishes simultaneously, it is convenient when changing the maintenance, take out original tenon structure, avoid under four mounting bars fixed condition, pull out the damage that the tenon structure caused infrared touch-sensitive display screen by force, simultaneously through addding the block rubber at the inserted block top, be convenient for spacing to the extensible member, also be convenient for make its shrink to the extensible member pressure testing simultaneously.

Drawings

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

FIG. 2 is a schematic view of a mounting bar structure;

FIG. 3 is a schematic view of a plug-in bump structure;

fig. 4 is a partially cut-away structural schematic diagram of the insertion block.

In the figure: 1-mounting a bar; 2-inserting a lug; 3-a chute; 4-inclined plane; 5-U-shaped groove; 6-a plug-in block; 7-a groove; 8-a fixture block; 9-a constriction; 10-holding block; 11-a telescopic rod; 12-mounting grooves; 13-a baffle; 14-a spring; 15-a push rod; 16-a slide rail; 17-a rubber block; 18-a strip-shaped groove; 19-skid resistant stripes; 20-mounting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a corner bracket for an infrared touch screen front frame is used for mounting corners of an infrared display screen, the existing multiple screw mounting modes are reduced by arranging a tenon structure and a clamping mode, the scheme mainly comprises mounting bars 1 and inserting lugs 2, the mounting bars are enclosed on the outer side of the infrared display screen, four components are arranged in total, a 90-degree included angle is formed between every two mounting bars, each inserting lug is of a prismatic structure, two surfaces of each inserting lug are parallel to two vertical mounting bar surfaces, a chute 3 is arranged on one side of each mounting bar 1, an inclined surface 4 matched with the chute 3 is arranged on each inserting lug 2, a U-shaped groove 5 is arranged at the top of each mounting bar 1, a groove 7 is arranged at the bottom of each U-shaped groove 5, inserting blocks 6 matched with the U-shaped grooves 5 are arranged on two sides of each inserting lug 2, fixture blocks 8 matched with the grooves 7 are connected on two sides of each inserting block 6, two be connected with shrink 9 between the fixture block 8, and shrink 9 installs inside the plug-in block 6, be connected with between two plug-in blocks 6 and hold piece 10. The chute is aimed at two inclined planes of grafting lug during installation, push the grafting lug bottom the chute, when the grafting piece inserts U type groove, through transferring the extensible member, the fixture block shrink of grafting piece both sides, until after the grafting piece inserts U type groove completely, the flexible member of pine soon, fixture block and recess contact, the tenon knot that forms between grafting piece and the U type groove this moment, also formed the joint between fixture block and the recess simultaneously, the steady setting of whole tenon knot structure has been increased, when needs are dismantled, shrink the extensible member once more, fixture block and recess lose the joint effect, the outstanding U type groove of grafting piece, the personnel of being convenient for hold the piece through snatching and extract whole grafting lug.

In the scheme, the contraction part 9 comprises a telescopic rod 11, a mounting groove 12 is arranged inside the insertion block 6, the telescopic rod 11 is positioned inside the mounting groove 12, two ends of the telescopic rod 11 are connected with baffle plates 13, the baffle plates 13 are connected with the clamping blocks 8, a spring 14 is sleeved outside the telescopic rod 11, a push rod 15 is connected to the top of the baffle plates 13, two slide rails 16 are arranged at the top of the insertion block 6, the two push rods 15 are slidably connected inside the slide rails 16, when a person extrudes the rubber blocks outside the push rods, the push rods move along the slide rails under thrust, because the push rods are connected with the baffle plates, and the two baffle plates are connected to two ends of the telescopic rod at the same time, the telescopic rod is extruded and contracted until the clamping blocks connected with the baffle plates are pulled into the mounting groove, the push rods are stopped to be pulled, after the insertion block and, push out the mounting groove with the fixture block, with fixture block and recess joint, when dismantling, repeat the action of saying, pull out the chute with the grafting lug through taking off the holding block after the fixture block shrink.

In order to realize the limiting displacement to the push rod in this, be equipped with block rubber 17 at 6 tops of grafting piece, and block rubber 17 one end with hold the piece 10 and be connected, block rubber 17

embeds bar groove

18, and 15 both sides of push rod and the 18 wall contact in bar groove, the push rod both sides are spacing by the bar cell wall, can not take place relative deviation, simultaneously because the block rubber has certain contractility, when personnel's pressurization block rubber, the push rod slides along the slide rail of establishing to drive the motion of the inside shrink pole of mounting groove.

In the scheme, in order to facilitate the plugging of the plugging convex block, the anti-slip stripes 19 are arranged on the outer side of the holding block 10, in the installation or disassembly process, a person holds the outer side of the holding block, and under the action of the anti-slip stripes, the phenomenon of hand slip when the person holds the holding block is avoided.

In order to increase the stability that the mounting bar is connected with the grafting lug in this scheme, all be equipped with mounting hole 20 at 1 top of mounting bar and 2 one sides of grafting lug, when personnel are two mounting bars that are 90 degrees with grafting lug grafting people, the mounting hole at grafting lug top corresponds with the mounting hole phase-match of mounting bar department, passes two mounting holes with the bolt in proper order, and is fixed with the grafting lug.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a frame uses corner bracket before infrared touch-sensitive screen, includes mounting bar (1) and grafting lug (2), its characterized in that: mounting bar (1) one side is equipped with chute (3), be equipped with inclined plane (4) that matches with chute (3) on grafting lug (2), mounting bar (1) top is equipped with U type groove (5), and U type groove (5) bottom is equipped with recess (7), grafting lug (2) both sides are equipped with grafting piece (6) that match with U type groove (5), grafting piece (6) both sides are connected with fixture block (8) that match with recess (7), two be connected with shrink piece (9) between fixture block (8), and shrink piece (9) install inside grafting piece (6), it holds piece (10) to be connected with between two grafting pieces (6).

2. The corner bracket for the front frame of the infrared touch screen as claimed in claim 1, wherein: shrink piece (9) include telescopic link (11), the inside mounting groove (12) that is equipped with of plug block (6), telescopic link (11) are located inside mounting groove (12), and telescopic link (11) both ends are connected with baffle (13), baffle (13) are connected with fixture block (8), spring (14) have been cup jointed in the telescopic link (11) outside, baffle (13) top is connected with push rod (15), plug block (6) top is equipped with two slide rails (16), and two push rod (15) sliding connection are inside slide rail (16).

3. The corner bracket for the front frame of the infrared touch screen as claimed in claim 2, wherein: plug-in block (6) top is equipped with rubber block (17), and rubber block (17) one end with hold piece (10) and be connected, rubber block (17) built-in bar groove (18), and push rod (15) both sides and bar groove (18) wall contact.

4. The corner bracket for the front frame of the infrared touch screen as claimed in claim 3, wherein: the outer side of the holding block (10) is provided with an anti-slip stripe (19).

5. The corner bracket for the front frame of the infrared touch screen as claimed in claim 1, wherein: and mounting holes (20) are formed in the top of the mounting bar (1) and one side of the inserting lug (2).