CN217385669U

CN217385669U - Pressure control mechanism

Info

Publication number: CN217385669U
Application number: CN202123144742.6U
Authority: CN
Inventors: 叶文森; 邱芬南; 万劲
Original assignee: Zhuhai Bojay Electronics Co Ltd
Current assignee: Zhuhai Bojay Electronics Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-09-06
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to a pressure control's mechanism relates to fingerprint capability test technical field under the screen. Including the dead lever, the positive slip interlude of dead lever is connected with the movable block, the positive fixedly connected with mount of movable block, the subassembly that floats sets up the top at the mount, the subassembly that floats includes a plurality of cylinders, the equal fixedly connected with sphere head that floats in the bottom of a plurality of cylinders, the equal slip interlude in outside of a plurality of sphere head that floats has the stopper, the utility model relates to a pressure control's mechanism has set up, adopt electric proportional valve, the mode that low friction cylinder and fast row valve combine, through the size that changes input signal, the control of quick and stable completion cylinder pushing down pressure, and can the simultaneous control multiunit cylinder, the succinct convenient high efficiency of operation, the efficiency that makes finger mark test under the screen is higher, it is more accurate, help customer simplified operation, shorten product test period, the product precision is improved, increase enterprise product competitiveness.

Description

Pressure control mechanism

Technical Field

The utility model relates to a fingerprint capability test technical field specifically is a pressure control's mechanism under the screen.

Background

Traditional pressure control mode is the size through the weight control pressure of weight, and the required weight of weight often is difficult to estimate at the design initial stage, need add the subtraction weight repeatedly during the debugging and reach required pressure size, and whole module weight will grow when pressure requirement is higher or test quantity is more.

The existing pressure control mechanism controls pressure in a weight mode, is very complex to operate, brings inconvenience to users, cannot improve efficiency of fingerprint testing under a screen, is inaccurate in detection result, and cannot shorten a product testing period.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model discloses a pressure control's mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a pressure controlled mechanism comprising:

the front surface of the fixed rod is slidably and alternately connected with a moving block, and the front surface of the moving block is fixedly connected with a fixed frame;

the subassembly floats, the subassembly that floats sets up the top at the mount, the subassembly that floats includes a plurality of cylinders, and is a plurality of the equal fixedly connected with sphere in bottom of cylinder floats the head, and is a plurality of the outside of the sphere head that floats all slides and alternates there is the stopper.

Preferably, the bottom end of the fixing rod is fixedly connected with a fixing plate, and two sides of the fixing plate are fixedly connected with supporting plates.

Preferably, two stop blocks are arranged at the bottom end of the fixed rod, and an electric proportional valve is connected to the back of the moving block in a sliding and inserting mode.

Preferably, the bottom end of one of the supporting plates is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with two fixing blocks.

Preferably, the back of the fixed rod is fixedly connected with a baffle, and the bottom end of the baffle is provided with a plurality of air nozzles.

Preferably, the bottom end of the other supporting plate is fixedly connected with a supporting rod, the outer wall of the supporting rod is provided with a sliding groove, and a sliding block is inserted into the sliding groove in a sliding mode.

Preferably, the bottom fixedly connected with installation piece of stopper, the bottom fixedly connected with rubber head of installation piece.

The utility model discloses a pressure control's mechanism, its beneficial effect who possesses as follows:

the utility model discloses a pressure control's mechanism has set up, adopt electric proportional valve, the mode that low friction cylinder and fast row valve combined, through the size that changes input signal, the control of quick and stable completion cylinder pushing down pressure, and can the simultaneous control multiunit cylinder, it is succinct convenient high-efficient to operate, the efficiency that makes finger line test under the screen is higher, it is more accurate, help customer simplified operation, shorten product test cycle, improve the product precision, increase enterprise product competitiveness, simultaneously because the design that uses atmospheric pressure to remove control pressure can the accurate swift completion pressure switch.

Drawings

FIG. 1 is a schematic structural view of the device for testing finger print under screen;

FIG. 2 is a schematic view of the bottom structure of the testing device of the present invention;

FIG. 3 is a schematic view of the back structure of the testing device of the present invention;

fig. 4 is a schematic structural view of the floating assembly of the present invention.

In the figure: 1. a connecting plate; 101. a fixed block; 2. a fixing plate; 3. fixing the rod; 301. a stopper; 4. a moving block; 401. a fixed mount; 5. an electrical proportional valve; 6. a baffle plate; 7. a support bar; 8. a chute; 9. a slider; 10. a cylinder; 11. an air faucet; 12. a spherical floating head; 13. a limiting block; 14. mounting blocks; 15. a rubber head.

Detailed Description

The embodiment of the utility model discloses pressure control's mechanism, as shown in fig. 1-4, include:

the fixing device comprises a fixing rod 3, a cuboid fixing rod 3 and a cuboid moving block 4, wherein a track is formed in the top end of the fixing rod 3 and is matched with the moving block 4, when the fixing device is stressed, the moving block 4 can move horizontally, the moving block 4 is connected to the front face of the fixing rod 3 in a sliding and penetrating mode, the moving block 4 is in a cuboid shape and plays a supporting role and is used for supporting a fixing frame 401, the fixing frame 401 can be used normally, a fixing frame 401 is fixedly connected to the front face of the moving block 4, the fixing frame 401 comprises a stand column, a long block and a plurality of rib plates, the fixing frame 401 plays a supporting role, and a plurality of groups of floating assemblies are fixedly mounted at the top end of the fixing frame 401, so that the fingerprint under a mobile phone screen can be tested conveniently;

the top end of the fixing frame 401 is provided with three rows and four columns of fingerprint test floating structures, each column is provided with three rubber heads 15 with different functions, each column corresponds to one mobile phone, four mobile phones can be tested simultaneously, the position of a fingerprint module under a screen on the mobile phone is determined, so that the fingerprint test floating structures in each row need to be sequentially moved above the appointed position of the mobile phone, and then the mobile phone is pressed down to complete the test;

the floating assembly is arranged at the top end of the fixing frame 401 and comprises a plurality of air cylinders 10, cavities are formed in the air cylinders 10, the cavities are in a closed state and are convenient for air to move to the interiors of the cavities under pressure, moving plates are arranged in the cavities, connecting rods are fixedly connected to the bottom ends of the moving plates, the connecting rods are fixedly connected with spherical floating heads 12, when the air pressure is applied to the air cylinders, the moving plates are stressed to move vertically downwards, the connecting rods move along the direction of the moving plates, the spherical floating heads 12 move vertically in the limiting blocks 13, the spherical floating heads 12 are fixedly connected to the bottom ends of the air cylinders 10, the spherical floating heads 12 are hemispherical, limiting blocks 13 are inserted into the outer portions of the spherical floating heads 12 in a sliding mode, moving grooves are formed in the top ends of the limiting blocks 13, and the connecting rods are placed in the moving grooves, the connecting rod is mutually supported with the shifting chute, and when the atress, the connecting rod slides in the inside of shifting chute, and the sphere of being convenient for floats head 12 and removes in stopper 13's inside, stopper 13 and installation piece 14 fixed connection.

The bottom fixedly connected with fixed plate 2 of dead lever 3, fixed plate 2 is the cuboid, and fixed plate 2 plays the effect of support, is used for supporting dead lever 3, and the dead lever 3 normal motion of being convenient for, the both sides fixedly connected with backup pad of fixed plate 2 plays the effect of support, is convenient for support fixed plate 2, and the movable block 4 atress of being convenient for is at the outer wall horizontal migration of dead lever 3.

The bottom of dead lever 3 is provided with two dogs 301, and two dogs 301 mutually support, are convenient for restrict the horizontal migration of movable block 4, prevent that movable block 4 atress from shifting out from orbital inside, and the back slip interlude of movable block 4 is connected with electric proportional valve 5, and electric proportional valve 5 is provided with threely, and three electric proportional valve 5 each corresponds one row of fingerprint test floating structure.

The bottom fixedly connected with connecting plate 1 of one of them backup pad, two fixed blocks 101 of fixedly connected with of connecting plate 1.

The back fixedly connected with baffle 6 of dead lever 3, the bottom of baffle 6 is provided with a plurality of air cocks 11, when using conveniently adjustable air cock 11 when carrying out the finger print detection under the cell-phone screen, dust on the cell-phone screen is cleared up earlier to air cock 11.

The bottom fixedly connected with bracing piece 7 of another backup pad, bracing piece 7 are the cuboid, and spout 8 has been seted up to the outer wall of bracing piece 7, and the inside of spout 8 is used for placing slider 9, and spout 8 and slider 9 mutually support, and the inside slip interlude of spout 8 is connected with slider 9, and when the atress, slider 9 slides in the inside of spout 8, and the backup pad of being convenient for carries out horizontal migration.

Stopper 13's bottom fixedly connected with installation piece 14, installation piece 14 is the cuboid, and the square groove has been seted up on installation piece 14's top, and the inside in square groove is used for placing rubber head 15, and the bottom fixedly connected with rubber head 15 of installation piece 14.

The working principle is as follows:

when a user needs to use the pressure control mechanism, firstly, the electric proportional valve 5 is electrically connected with a power supply through an external switch, the pressure in the valve is increased after the electric proportional valve 5 is electrified, the gas moves towards the cylinder 10 under the stress, the gas moves into the cylinder 10, and the gas pushes the moving plate in the cylinder 10;

the movable plate is stressed to vertically move downwards in the direction close to the spherical floating head 12, the connecting rod vertically moves downwards in the direction following the movable plate, the spherical floating head 12 is in surface-to-surface contact with the limiting block 13, the rubber head 15 vertically presses downwards, after contacting a mobile phone screen, the air cylinder 10 pushes the spherical floating head 12 to form point contact with the mounting block 14, meanwhile, a certain gap exists between the connecting rod and the limiting block hole 13, therefore, the rubber head 15 can be adaptively inclined to be attached to the screen, and the acting force of the air cylinder 10 is still kept at the center of the mounting block 14.

While the embodiments of the present invention have been described in terms of practical embodiments, they are not to be construed as limiting the meaning of the present invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.

Claims

1. A pressure controlled mechanism, comprising:

the front surface of the fixed rod (3) is slidably inserted and connected with a moving block (4), and the front surface of the moving block (4) is fixedly connected with a fixed frame (401);

the subassembly floats, the subassembly that floats sets up on the top of mount (401), the subassembly that floats includes a plurality of cylinders (10), and is a plurality of the equal fixedly connected with sphere in bottom of cylinder (10) floats head (12), and is a plurality of the outside of the sphere head (12) that floats all slides and alternates there is stopper (13).

2. A pressure controlled mechanism as claimed in claim 1, wherein: the bottom fixedly connected with fixed plate (2) of dead lever (3), the both sides fixedly connected with backup pad of fixed plate (2).

3. A pressure controlled mechanism as claimed in claim 1, wherein: two stop blocks (301) are arranged at the bottom end of the fixed rod (3), and an electric proportional valve (5) is connected to the back face of the moving block (4) in a sliding and penetrating mode.

4. A pressure controlled mechanism as claimed in claim 2, wherein: the bottom end of one of the supporting plates is fixedly connected with a connecting plate (1), and the connecting plate (1) is fixedly connected with two fixing blocks (101).

5. A pressure controlled mechanism as claimed in claim 1, wherein: the back fixedly connected with baffle (6) of dead lever (3), the bottom of baffle (6) is provided with a plurality of air cocks (11).

6. A pressure controlled mechanism as claimed in claim 2, wherein: and the other bottom end of the supporting plate is fixedly connected with a supporting rod (7), the outer wall of the supporting rod (7) is provided with a sliding groove (8), and a sliding block (9) is inserted into the sliding groove (8) in a sliding manner.

7. A pressure controlled mechanism as claimed in claim 1, wherein: the bottom fixedly connected with installation piece (14) of stopper (13), the bottom fixedly connected with rubber head (15) of installation piece (14).