CN214704687U

CN214704687U - Safety certification device

Info

Publication number: CN214704687U
Application number: CN202120843850.3U
Authority: CN
Inventors: 李磊
Original assignee: Wuhan Hehuayu Digital Technology Co ltd
Current assignee: Wuhan Hehuayu Digital Technology Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-12
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a safety certification device, which belongs to the safety certification field and comprises a bottom shell and a top cover, wherein the top cover is provided with a button, the bottom side of the button is fixedly connected with a button membrane, the bottom side of the top cover is provided with an annular plugboard, the bottom shell is provided with an annular plugboard matched with the annular plugboard, the bottom shell is internally provided with a button waterproof mechanism, the button waterproof mechanism comprises an L-shaped groove, the L-shaped groove is uniformly distributed on the inner wall of the bottom side of the annular plugboard, the inner wall of the annular plugboard is connected with a first piston sheet in a sliding way, the top of the first piston sheet is fixedly connected with an inserting column, the top of the inserting column extends to the outside of the L-shaped groove and is fixedly connected with a second piston sheet, the first piston sheet and the second piston sheet have the same diameter, the safety certification device can realize that a waterproof measure is arranged at the button of a U shield, and effectively reduces the water outside from entering the U shield through the position of the button, and damage to the U shield occurs.

Description

Safety certification device

Technical Field

The utility model relates to a safety certification field, more specifically say, relate to a safety certification device.

Background

The U shield is a security authentication device commonly used in a bank system, a waterproof device is not specially arranged at the key position of the conventional U shield, and the key position can be accidentally splashed with water or fall into the water sometimes in the long-term use process, so that the water permeates into the U shield from the position of the key position to cause the U shield to be damaged.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a safety certification device, it can realize, sets up water-proof measures to U shield button department, and inside the position that effectively reduces outside water and pass through button department entered into the U shield, caused the condition of damage to the U shield to take place.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The safety certification device comprises a bottom shell and a top cover, wherein a key is arranged on the top cover, a key film is fixedly connected to the bottom side of the key, an annular inserting plate is arranged on the bottom side of the top cover, an annular inserting groove matched with the annular inserting plate is formed in the bottom shell, and a key waterproof mechanism is arranged inside the bottom shell.

Furthermore, button waterproofing mechanism includes the L shape groove, the L shape groove distributes evenly sets up at annular slot bottom side inner wall, annular slot inner wall sliding connection has first piston piece.

Further, the top of the first piston piece is fixedly connected with an inserting column, the top end of the inserting column extends to the outside of the L-shaped groove and is fixedly connected with a second piston piece, and the diameter of the first piston piece is the same as that of the second piston piece.

Further, the inner wall of the bottom shell is fixedly connected with L-shaped hollow pipes which are evenly distributed, the L-shaped hollow pipes are communicated with the inside of the L-shaped groove, the top of each L-shaped hollow pipe is fixedly connected with a limiting ring, the bottom side of each limiting ring is fixedly connected with a spring, the bottom end of each spring is fixedly connected with a third piston piece, and the third piston pieces are connected with the inner wall of each L-shaped hollow pipe in a sliding mode.

Furthermore, the top of the third piston sheet is fixedly connected with a support column, the top of the support column extends to the outside of the L-shaped hollow pipe, and an annular extrusion frame is fixedly connected between the tops of the support columns.

Furthermore, the key membrane is matched with the annular extrusion frame, and annular waterproof cotton is fixedly connected to the position, corresponding to the annular extrusion frame, of the top of the key membrane.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) when this scheme uses, align the annular slot on the drain pan with the annular picture peg on the top cap and press into, at this in-process, the annular picture peg can with insert the post with the second piston piece and extrude into the L shape groove, and insert the post and promote first piston piece and move downwards in L shape inslot portion, first piston piece can promote the third piston piece through the inside air in L shape groove and L shape hollow tube like this, the third piston piece promotes support column and annular extrusion frame upward movement, annular extrusion frame begins to extrude button membrane and annular waterproof cotton, make the contact between button membrane and annular waterproof cotton and the top cap top inner wall inseparabler, when outside water enters into the position department of button like this, can effectively reduce outside water and enter into inside the U shield through the position of button department through button waterproofing mechanism, the condition that causes the damage to the U shield takes place.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of the bottom case of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present invention;

fig. 5 is a schematic view of the top cover of the present invention in a partial cross-sectional structure.

The reference numbers in the figures illustrate:

1. a bottom case; 2. a top cover; 3. an annular slot; 4. an L-shaped slot; 5. a first piston plate; 6. inserting a column; 7. a second piston plate; 8. an L-shaped hollow tube; 9. a limiting ring; 10. a spring; 11. a third piston plate; 12. a support pillar; 13. an annular extrusion frame; 14. pressing a key; 15. a key film; 16. annular waterproof cotton.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example 1:

referring to fig. 1-5, a security authentication device includes a bottom case 1 and a top cover 2, a key 14 is disposed on the top cover 2, a bottom side of the key 14 extends into the top cover 2, a key film 15 is fixedly connected to a bottom side of the key 14, an annular insertion plate is disposed on a bottom side of the top cover 2, an annular insertion groove 3 adapted to the annular insertion plate is disposed on the bottom case 1, and a key waterproof mechanism is disposed inside the bottom case 1.

Referring to fig. 2 and 3, the button waterproof mechanism includes an L-shaped groove 4, the L-shaped groove 4 is uniformly distributed on the inner wall of the bottom side of the annular slot 3, the inner wall of the annular slot 3 is slidably connected with a first piston piece 5, the top of the first piston piece 5 is fixedly connected with an inserting column 6, the length of the inserting column 6 is smaller than the height of the L-shaped groove 4, the top end of the inserting column 6 extends to the outside of the L-shaped groove 4 and is fixedly connected with a second piston piece 7, the first piston piece 5 and the second piston piece 7 have the same diameter, so that when the annular inserting plate moves downwards, the first piston piece 5 can be pushed downwards by the second piston piece 7 and the inserting column 6, and then the gas in the L-shaped groove 4 is pushed, and the second piston piece 7 and the inserting column 6 can be completely pushed into the L-shaped groove 4, thereby improving the sealing performance of the annular inserting plate and the annular slot 3.

Referring to fig. 4 and 5, the inner wall of the bottom shell 1 is fixedly connected with uniformly distributed L-shaped hollow pipes 8, the L-shaped hollow pipes 8 are communicated with the inside of the L-shaped grooves 4, the tops of the L-shaped hollow pipes 8 are fixedly connected with limiting rings 9, the bottom sides of the limiting rings 9 are fixedly connected with springs 10, the bottom ends of the springs 10 are fixedly connected with third piston plates 11, the third piston plates 11 are slidably connected with the inner walls of the L-shaped hollow pipes 8, the tops of the third piston plates 11 are fixedly connected with supporting columns 12, the tops of the supporting columns 12 extend to the outside of the L-shaped hollow pipes 8, annular extrusion frames 13 are fixedly connected between the tops of all the supporting columns 12, the key membrane 15 is matched with the annular extrusion frames 13, annular waterproof cotton 16 is fixedly connected at positions, corresponding to the annular extrusion frames 13, of the tops of the key membrane 15, the first piston plates 5 move downwards in the L-shaped grooves 4, and the air in the L-shaped hollow pipes 8 push the third piston plates 11, the third piston piece 11 pushes the support column 12 and the annular extrusion frame 13 to move upwards, and the annular extrusion frame 13 starts to extrude the key film 15 and the annular waterproof cotton 16, so that the key film 15 and the annular waterproof cotton 16 are in closer contact with the inner wall of the top cover 2, and when external water enters the position of the key 14, the situation that the external water enters the U shield through the position of the key 14 through the key waterproof mechanism and damages the U shield can be effectively reduced.

When in use: the annular insert plate on the top cover 2 is pressed into alignment with the annular slot 3 on the bottom shell 1, and in the process, the annular insert plate presses the second piston sheet 7 and the insert column 6 into the L-shaped groove 4, and the inserting column 6 pushes the first piston sheet 5 to move downwards in the L-shaped groove 4, so that the first piston sheet 5 pushes the third piston sheet 11 through the air in the L-shaped groove 4 and the L-shaped hollow tube 8, the third piston sheet 11 pushes the supporting column 12 and the annular extrusion frame 13 to move upwards, the annular extrusion frame 13 starts to extrude the key membrane 15 and the annular waterproof cotton 16, the contact between the key membrane 15 and the ring-shaped waterproof cotton 16 and the inner wall of the top cover 2 is made more tight, so that when external water enters the position of the key, can effectively reduce outside water through button waterproofing mechanism and enter into inside the U shield through the position of button department, cause the condition of damage to the U shield and take place.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A security authentication device comprising a bottom case (1) and a top cover (2), characterized in that: the waterproof key is characterized in that a key (14) is arranged on the top cover (2), a key film (15) is fixedly connected to the bottom side of the key (14), an annular insertion plate is arranged on the bottom side of the top cover (2), an annular insertion groove (3) matched with the annular insertion plate is formed in the bottom shell (1), and a key waterproof mechanism is arranged inside the bottom shell (1).

2. A security authentication device according to claim 1, wherein: the button waterproofing mechanism includes L shape groove (4), L shape groove (4) distribute evenly set up in annular slot (3) bottom side inner wall, annular slot (3) inner wall sliding connection has first piston piece (5).

3. A security authentication device according to claim 2, wherein: first piston piece (5) top fixedly connected with inserts post (6), it extends to L shape groove (4) outside and fixedly connected with second piston piece (7) to insert post (6) top, first piston piece (5) is the same with second piston piece (7) diameter.

4. A security authentication device according to claim 2, wherein: bottom shell (1) inner wall fixedly connected with evenly distributed L shape hollow tube (8), L shape hollow tube (8) and L shape groove (4) inside intercommunication, L shape hollow tube (8) top fixedly connected with spacing ring (9), spacing ring (9) bottom side fixedly connected with spring (10), the bottom fixedly connected with third piston piece (11) of spring (10), third piston piece (11) and L shape hollow tube (8) inner wall sliding connection.

5. A security authentication device according to claim 4, wherein: the top of the third piston sheet (11) is fixedly connected with a supporting column (12), the top of the supporting column (12) extends to the outside of the L-shaped hollow tube (8), and an annular extrusion frame (13) is fixedly connected between the tops of the supporting columns (12).

6. A security authentication device according to claim 1, wherein: the key membrane (15) is matched with the annular extrusion frame (13), and annular waterproof cotton (16) is fixedly connected to the position, corresponding to the annular extrusion frame (13), of the top of the key membrane (15).