CN111987510B

CN111987510B - Dustproof and waterproof cassette

Info

Publication number: CN111987510B
Application number: CN202010887675.8A
Authority: CN
Inventors: 黄雅莉
Original assignee: Hanmen Electronics Jiangsu Co ltd
Current assignee: Hanmen Electronics Jiangsu Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-11-05
Anticipated expiration: 2040-08-28
Also published as: CN111987510A

Abstract

The invention relates to the technical field of POS machine card seats, and discloses a dustproof and waterproof card seat which comprises an upper cover body and a lower shell, wherein the upper cover body and the lower shell are buckled and sealed, and one end of the upper cover body is an opening end; the bottom surface of the lower shell is closed, a plurality of terminals are embedded on the bottom surface of the lower shell, the upper surfaces of the terminals are exposed on the upper surface of the lower shell, the other ends of the terminals penetrate through the bottom surface of the lower shell and are exposed outside, and when a card is inserted into the card holder through the opening end, a chip of the card is contacted with the terminals. Compared with the prior art, the POS machine has the advantages that the terminal and the switch are arranged in the upper cover body and the lower cover body, three sides of the terminal and the switch are sealed, one side of the terminal is provided with the opening, dust can be prevented, water can be prevented from permeating into the clamping seat, and the service life of the POS machine is prolonged.

Description

Dustproof and waterproof cassette

Technical Field

The invention relates to the technical field of POS machine card seats, in particular to a dustproof and waterproof card seat.

Background

At present, with the progress of the electronic technology, the application of the POS is very wide, and in the charging control field of shops and the like, the POS needs to use the POS to swipe a card, the POS reads the information of a cardholder on a bank card through a card reader, a POS operator inputs a transaction amount, the cardholder inputs personal identification information, and the POS uploads the information to a card issuing bank system through a unionpay center to complete online transaction.

On traditional POS machine, the IC-card seat paster is on PCB, and the leg exposes periphery and plug-in groove and bottom's spliced eye, intercommunication such as circuit, and water can see through clearance inflow POS machine bottom, and when air is more moist or touch water, it is bad to appear POS machine easily, and the leg exposes outside moreover, will produce a large amount of dusts after long-time the use, leads to the result of use greatly reduced of card, very big influence people's life.

And the frictional force between the cassette terminal structure of traditional POS machine and the card is great, uses for a long time and damages the metal chip on the card easily, and not smooth when the card is inserted moreover, and the card is difficult to insert.

Disclosure of Invention

The purpose of the invention is as follows: aiming at the problems in the prior art, the invention provides the dustproof and waterproof card seat, the terminal and the switch are arranged in the upper cover body and the lower cover body, three sides of the terminal and the switch are sealed, and one side of the terminal is provided with an opening, so that an ash layer can be prevented, and water can be prevented from permeating into the card seat.

The technical scheme is as follows: the invention provides a dustproof and waterproof card seat which comprises an upper cover body and a lower shell, wherein the upper cover body and the lower shell are buckled and sealed, and one end of the upper cover body is an opening end; the card holder comprises a lower shell, a card seat, a card and a card base, wherein the bottom surface of the lower shell is closed, a plurality of terminals are embedded on the lower shell, the upper surface of each terminal is exposed outside the upper surface of the lower shell, the other end of each terminal penetrates through the bottom surface of the lower shell to be exposed outside, and when the card is inserted into the card holder through an opening end, a chip of the card is in rolling contact with the terminals.

Further, the terminal is of a spring ball type structure and comprises a ball sleeve, a spring is arranged in the ball sleeve, a ball is arranged at the top end of the spring, and when the card is inserted into the card holder through the opening end, a chip of the card is in rolling contact with the ball.

Furthermore, a switch is arranged on one side, far away from the opening end, of the lower shell, the switch is provided with a touch button, a reset spring is arranged below the touch button, the bottom end of the switch penetrates through the bottom surface of the lower shell, and a welding leg of the switch is exposed on the lower surface of the lower shell.

Furthermore, the bottom surfaces of the lower shell positioned on two sides of the terminal are recessed downwards for a certain depth, and the depth is slightly larger than the height of the raised characters of the card.

Further, other border position that the casing removed the open end down all is provided with the bar groove, go up the lid with the bar groove corresponds the position and is provided with the bar arch that the bar groove matches.

Furthermore, the other marginal position of casing except the open end still is provided with round bar muscle down, on the upper cover body with the bar muscle corresponds the position and sets up the round recess.

Furthermore, two sides of the strip-shaped rib close to the opening end are respectively provided with a guide pin.

Furthermore, the number of the terminals is 8, and the terminals are uniformly distributed on the lower shell.

Further, the upper cover body and the lower cover body are fixedly connected through ultrasonic welding sealing or a fastening piece.

Has the advantages that:

1. according to the invention, the bottom of the card holder is set in a sealed state, only one open end is set, a card is inserted through the open end, the chip part of the card is contacted with the terminal, the other end of the terminal passes through the lower shell and is positioned below the lower shell, so that wiring holes, circuits, welding pins and the like of a PCB (printed circuit board) are all arranged below the lower shell, and the card insertion groove (the open end) is not communicated with the lower shell, so that water can not enter from the card insertion groove even in the presence of water and is contacted with the wiring holes, circuits, welding pins and the like of the PCB and the like below the lower shell, the service lives of the wiring holes, circuits, welding pins and the like of the PCB are prolonged, and dust is prevented from entering from the card insertion groove, so that the use of a POS machine is influenced.

2. The terminal is arranged in a spring ball type structure, when the card is inserted, the friction force between the terminal and the card can be reduced by the ball, and the abrasion between the terminal and the card is reduced.

3. The invention is provided with the switch which automatically triggers the button, and the switch is sealed between the upper cover body and the lower cover body, so that the switch is dustproof and waterproof, and meanwhile, an additional SW elastic sheet is not needed. When the card is pulled out, the touch button is restored to the original position under the action of the reset spring, and the switch is in a non-conduction state.

4. The two ends of the terminal are also recessed downwards, and the recessed parts avoid the raised part of the card, so that the raised part on the card can be prevented from being worn, and the contact between the card chip and the terminal is prevented from being influenced by the raised part of the card.

5. The strip-shaped groove and the strip-shaped bulge are arranged at the corresponding positions of the edges of the upper cover body and the lower cover body, so that the upper cover body and the lower cover body are easy to align and convenient to seal when being clamped, and the strip-shaped ribs are also arranged at the edges of the upper cover body and the lower cover body, so that the gap sealing between the upper cover body and the lower cover body is more convenient due to the double-layer staggered arrangement, and the height of the strip-shaped ribs can ensure the height of the card slot, thereby facilitating card insertion.

6. The strip-shaped ribs on two sides of the opening end are provided with the guide pins, so that when a card is inserted, the card passes through the guide pins and is inserted into the card in an aligned position.

Drawings

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

FIG. 2 is a schematic view of an integral open end structure of the present invention;

FIG. 3 is a schematic view of the bottom structure of the lower case according to the present invention;

FIG. 4 is a schematic view of the structure of the upper cover body according to the present invention;

FIG. 5 is a schematic view of a terminal structure according to the present invention;

fig. 6 is a schematic diagram of the switch structure of the present invention.

The novel touch switch comprises a cover body 1, a cover body 2, a lower shell body 3, a terminal 301, a ball sleeve 302, a spring 303, a ball, a switch 4, a touch button 401, a reset spring 402, a welding pin 403, a strip groove 5, a strip protrusion 6, a strip rib 7 and a guide pin 8.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "length," "width," "thickness," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The invention discloses a dustproof and waterproof card holder which mainly comprises an upper cover body 1 and a lower cover body 2, wherein the upper cover body 1 and the lower cover body 2 are buckled and sealed, one end of the upper cover body is set to be an opening end, and the opening end is used for inserting cards and is marked as an inserting card port. The bottom surface of the lower shell 2 is closed, a plurality of terminals 3 are embedded on the bottom surface, the upper surfaces of the terminals 3 are exposed on the upper surface of the lower shell 2, the other ends of the terminals penetrate through the bottom surface of the lower shell 2 and are exposed outside, and when a card is inserted into the card holder through the opening end, a chip of the card is contacted with the terminals 3. In this embodiment, the bottom surface that the terminal other end passed casing 2 is located casing 2 below down, connects other circuit boards or interface through the 3 other ends of terminal of casing 2 below down and carries out circuit connection, and casing 2's bottom is sealed promptly down like this and is not contacted with wiring holes such as other PCB boards of cassette below, circuit, leg etc. waterproof dustproof, can realize the function of plug-in card discernment simultaneously.

Further, in order to reduce the friction force between the card and the terminal 3 and reduce the wear, the terminal 3 is of a spring-ball type structure, and includes a ball sleeve 301, a spring 302 is disposed in the ball sleeve 301, and a ball 303 is disposed at the top end of the spring 302. The card chip is in rolling contact with the balls 303 for card identification.

One side of keeping away from the open end on lower casing 2 is provided with switch 4, and switch 4 is from the area touching button 401, touches button 401 below and is provided with reset spring 402, and lower casing 2 bottom surface is passed to switch 4's bottom, and its leg 403 exposes in lower casing 2's lower surface, and leg 403 is used for connecting wiring holes such as other PCB boards and circuit, realizes switching on and breaking off of switch 4. The switch with the touch button 401 is the prior art, one end of the touch button 401 is rotatably connected, and the other end of the touch button is reset through a reset spring 402. When inserting the card from the card slot, the card moves forward, and while moving, the card chip rolls with terminal 3 and contacts, and card extrusion switch 4 touches button 401 when the card moves forward, touches button 401 and is pressed by the card, and reset spring 402 is the extrusion state, touches button 4 and switches on after being pressed, gets into operating condition.

The bottom surface of the lower shell 2 at two sides of the terminal 3 is also sunken downwards for a certain depth which is slightly larger than the height of the raised character of the card. When the card is inserted, the raised characters on the card are just positioned at the concave positions, so that the contact between the card chip and the balls 303 during card insertion is not influenced, and the raised characters of the card cannot be excessively abraded.

Other border positions except for the opening end on the lower casing 2 all are provided with strip groove 5, go up lid 1 and strip groove 5 and correspond the position and be provided with the protruding 6 of bar that match with strip groove 5, when last lid 1 and lower casing 2 lock, be convenient for find the position, go into strip groove 5 with protruding 6 cards of bar, the position is aimed at and is convenient for go up the lid 1 and the sealing between the casing 2 down and handle.

Other border position except that the opening end at casing 2 still are provided with round bar muscle 7 down, go up and correspond the position block setting with bar muscle 7 on the lid 1, see figure 4, when last lid 1 with casing 2 lock down, bar arch 6 card go into in the bar groove 5, bar muscle 7 card goes into the inboard of lid 1, the position is aimed at and is convenient for go up the lid 1 and the sealing treatment between the casing 2 down, and bar muscle 7 highly can guarantee that the socket groove has certain height, do not influence the insertion of card. Two sides of the strip-shaped rib 7 close to the opening end are respectively provided with a guide pin 8. When the card is inserted, the card can be accurately inserted into the card inserting opening under the guiding action of the guide pins 8.

In this embodiment, the number of the terminals 3 is 8, the terminals are uniformly distributed on the lower housing 2, the terminals are divided into two rows, and each row has 4 terminals, and the terminals are arranged at intervals.

In order to seal upper cover body 1 and lower casing 2 fixedly, accessible ultrasonic fusion seals or through fastener mode fixed connection, and the fastener mode sets up the screw hole when fixed at the corresponding position on four angles of upper cover body 1 and lower casing 2, fixes through the screw.

The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A dustproof and waterproof card seat comprises an upper cover body (1) and a lower shell (2), and is characterized in that the upper cover body (1) and the lower shell (2) are buckled and sealed, and one end of the upper cover body is an opening end; the bottom surface of the lower shell (2) is closed, a plurality of terminals (3) are embedded on the bottom surface of the lower shell, the upper surfaces of the terminals (3) are exposed on the upper surface of the lower shell (2), the other ends of the terminals penetrate through the bottom surface of the lower shell (2) and are exposed outside, and when a card is inserted into the card holder through the opening end, a chip of the card is contacted with the terminals (3); a switch (4) is further arranged on one side, far away from the opening end, of the lower shell (2), the switch (4) is provided with a touch button (401), a return spring (402) is arranged below the touch button (401), the bottom end of the switch (4) penetrates through the bottom surface of the lower shell (2), and a welding leg (403) of the switch is exposed on the lower surface of the lower shell (2).

2. The dustproof and waterproof card holder according to claim 1, wherein the terminal (3) is of a spring-ball type structure and comprises a ball sleeve (301), a spring (302) is arranged in the ball sleeve (301), a ball (303) is arranged at the top end of the spring (302), and when the card is inserted into the card holder through the opening end, a chip of the card is in rolling contact with the ball (303).

3. The dustproof and waterproof card holder according to claim 1, wherein the bottom surface of the lower shell (2) on both sides of the terminal (3) is further recessed downward by a certain depth, and the depth is slightly larger than the height of the convex word of the card.

4. The dustproof and waterproof card holder according to claim 1, wherein the lower case (2) is provided with a strip-shaped groove (5) at other edge positions except for the opening end, and the upper cover body (1) is provided with a strip-shaped protrusion (6) matched with the strip-shaped groove (5) at a position corresponding to the strip-shaped groove (5).

5. The dustproof and waterproof card holder according to claim 4, wherein a circle of bar-shaped ribs (7) are arranged at the edge positions of the lower shell (2) except the opening end, and the upper cover body (1) is clamped with the bar-shaped ribs (7) at the corresponding positions.

6. The dustproof and waterproof card holder according to claim 5, wherein the two sides of the strip-shaped rib (7) close to the opening end are respectively provided with a guide foot (8).

7. The dustproof and waterproof card holder according to any one of claims 1 to 6, wherein the number of the terminals (3) is 8, and the terminals are uniformly distributed on the lower shell (2).

8. The dustproof and waterproof card holder according to any one of claims 1 to 6, wherein the upper cover (1) and the lower housing (2) are fixedly connected by ultrasonic welding and sealing or by a fastener.