CN215153143U

CN215153143U - Thermal printer with dustproof and waterproof keys

Info

Publication number: CN215153143U
Application number: CN202120752490.6U
Authority: CN
Inventors: 罗磊; 申小丹
Original assignee: Zhuhai Hengsheng Barcode Equipment Co Ltd
Current assignee: Zhuhai Hengsheng Barcode Equipment Co Ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-14
Anticipated expiration: 2031-04-13

Abstract

The utility model provides a thermal printer with dustproof and waterproof button, including upper cover and lower cover, the upper cover with form the cavity of holding PCB board between the lower cover, be provided with the switch on the PCB board the surface of upper cover is provided with the flexible glue button the bottom surface of upper cover is equipped with key-holder corresponding to the position of flexible glue button, the last connection that has of key-holder flexible glue button with the elastic component of the switch of PCB board. Adopt the utility model provides a thermal printer with dustproof and waterproof button, the flexible glue button on the surface of upper cover and the switch of PCB board are connected to the elastic component through key-holder, and its assembly connection is inseparable, effectively promotes the holistic waterproof dustproof grade of printer, improves the life of printer.

Description

Thermal printer with dustproof and waterproof keys

Technical Field

The utility model relates to a printer field, concretely relates to thermal printer with dustproof and waterproof button.

Background

All have on the current thermal printer and print the button, print the button and generally set up on printer housing, current button be stereoplasm plastic button and with the mainboard equipment after separately as an organic whole, the button has the assembly space with the mainboard like this, easily intakes, dirt to influence the life of printer, influence the quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a thermal printer with waterproof button is provided.

The utility model provides a thermal printer with dustproof and waterproof button, including upper cover and lower cover, the upper cover with form the cavity of holding PCB board between the lower cover, be provided with the switch on the PCB board the surface of upper cover is provided with the flexible glue button the bottom surface of upper cover is equipped with key-holder corresponding to the position of flexible glue button, the last connection that has of key-holder flexible glue button with the elastic component of the switch of PCB board.

Further, the button support comprises a main board, the elastic piece is arranged on the main board, the elastic piece comprises an elastic arm which faces the PCB and extends from the switch, a touch portion is arranged at the free end of the elastic arm and provided with an inclined plane which is in contact with the soft rubber button, the touch portion is provided with a bottom surface which is in contact with the switch of the PCB, and the inclined plane of the touch portion is extruded by the soft rubber button to press the bottom surface of the touch portion on the switch of the PCB.

Furthermore, the key support is further connected with a supporting plate on the main board, one side of the supporting plate is connected with the main board, lugs are symmetrically arranged at two ends of the other side of the supporting plate, and grooves for the lugs of the supporting plate to be clamped are formed in the bottom surface of the upper cover.

Furthermore, the mainboard is provided with a through hole, the bottom surface of the upper cover is provided with a screw column corresponding to the through hole of the mainboard, and the mainboard passes through the through hole of the mainboard through a screw and is fixed on the screw column on the bottom surface of the upper cover.

Furthermore, a panel is arranged on the surface of the upper cover at the position of the soft rubber key.

Further, the resilient arm has an S-shaped cross-section.

The utility model provides a thermal printer with dustproof and waterproof button, the flexible glue button on the surface of upper cover and the switch of PCB board are connected to the elastic component through key-holder, its assembled joint is inseparable, effectively promotes the holistic waterproof dustproof grade of printer, improves the life of printer to there is better use sense of touch, for the user brings better use experience, and the structural design of elastic component is simple, practical, and can effectively transmit the contact pressure of flexible glue button for the switch of PCB board. The lug of the supporting plate of the key support is clamped into the groove in the bottom surface of the upper cover, the through hole of the main board is fixedly connected with the screw column in the bottom surface of the upper cover through a screw, and the key support is stably and firmly connected with the upper cover and is easy to assemble.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 schematically illustrates an explosion diagram of a thermal printer with a dustproof and waterproof button according to an embodiment of the present invention;

fig. 2 schematically illustrates an exploded view of an upper cover and a key holder of a thermal printer having a dustproof and waterproof key according to an embodiment of the present invention;

fig. 3 schematically illustrates a key holder of a thermal printer having dustproof and waterproof keys according to an embodiment of the present invention;

fig. 4 is a view schematically illustrating an assembly of an upper cover and a key holder of a thermal printer having dustproof and waterproof keys according to an embodiment of the present invention;

FIG. 5 schematically illustrates an enlarged view of section A of FIG. 4;

fig. 6 schematically illustrates a cross-sectional view of a thermal printer having a dustproof and waterproof button according to an embodiment of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "longitudinal", "lateral", "up", "down", "front", "back", "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 only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, unless otherwise explicitly specified or limited, it is to be noted that the terms "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the embodiment of the utility model provides a thermal printer with dustproof and waterproof button, including upper cover 1 and lower cover 2, form the cavity of holding PCB board 3 between upper cover 1 and the lower cover 2, be provided with switch 4 on the PCB board 3, be provided with flexible glue button 5 on the surface of upper cover 1, be equipped with key-holder 6 in the bottom surface of upper cover 1 corresponding to flexible glue button 5's position, have the elastic component of the switch 4 who connects flexible glue button 5 and PCB board 3 on key-holder 6.

The flexible glue button 5 on the surface of upper cover 1 and the switch 4 of PCB board 3 are connected to the elastic component through key-press support 6, and its erection joint is inseparable, effectively promotes the holistic waterproof dustproof grade of printer, improves the life of printer to there is better use sense of touch, experiences for the user brings better use.

As a specific embodiment, key support 6 includes mainboard 61, and the elastic component sets up on mainboard 61, and the elastic component includes the elastic arm 62 that extends towards switch 4 on the PCB board 3 on the mainboard 61, is provided with on the free end of elastic arm 62 and touches splenium 63, touches splenium 63 and has the inclined plane that contacts with flexible glue button 5, touches splenium 63 and has the bottom surface that contacts with switch 4 of PCB board 3, presses the inclined plane of splenium 63 through the extrusion of flexible glue button 5, will touch splenium 63's bottom surface and press on switch 4 of PCB board 3. More specifically, the resilient arm 62 has an S-shaped cross-section. By adopting the specific embodiment, the elastic piece has simple and practical structural design, and can effectively transmit the contact pressure of the soft rubber key 5 to the switch 4 of the PCB 3.

In order to stabilize the assembly of the key holder 6, the key holder 6 further includes a supporting plate 64 connected to the main plate 61, one side of the supporting plate 64 is connected to the main plate 61, two ends of the other side of the supporting plate 64 are symmetrically provided with lugs 65, and the bottom surface of the upper cover 1 is provided with a groove 7 for the lugs 65 of the supporting plate 64 to be clamped into. Furthermore, a through hole 8 is opened in the main plate 61, a screw post 9 corresponding to the through hole 8 of the main plate 61 is provided on the bottom surface of the upper cover 1, and the main plate 61 is fixed to the screw post 9 on the bottom surface of the upper cover 1 by a screw 11 passing through the through hole 8 of the main plate 61.

The lug 65 of the supporting plate 64 of the key support 6 is clamped into the groove 7 on the bottom surface of the upper cover 1, and the through hole 8 of the main board 61 is fixedly connected with the screw column 9 on the bottom surface of the upper cover 1 through the screw 11, so that the key support 6 is stably and firmly connected with the upper cover 1 and is easy to assemble.

In the embodiment, a panel 10 is arranged on the surface of the upper cover 1 at the position of the soft rubber key 5.

To sum up, adopt the utility model discloses thermal printer with dustproof and waterproof button that the embodiment provided, the flexible glue button 5 on upper cover 1's surface and PCB board 3's switch 4 are connected to the elastic component through button support 6, its assembled connection is inseparable, effectively promote the holistic waterproof dustproof grade of printer, improve the life of printer, and there is better use sense of touch, bring better use for the user and experience, and the structural design of elastic component is simple, and practical, and can effectively transmit the contact pressure of flexible glue button 5 for PCB board 3's switch 4. The lug 65 of the supporting plate 64 of the key support 6 is clamped into the groove 7 on the bottom surface of the upper cover 1, the through hole 8 of the main board 61 is fixedly connected with the screw column 9 on the bottom surface of the upper cover 1 through the screw 11, and the key support 6 is stably and firmly connected with the upper cover 1 and is easy to assemble.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a thermal printer with dustproof and waterproof button, its characterized in that, includes upper cover and lower cover, the upper cover with form the cavity of holding PCB board between the lower cover, be provided with the switch on the PCB board the surface of upper cover is provided with the flexible glue button the bottom surface of upper cover is equipped with the key-holder corresponding to the position of flexible glue button, have the connection on the key-holder the flexible glue button with the elastic component of the switch of PCB board.

2. The thermal printer with the dustproof and waterproof button as claimed in claim 1, wherein the button support comprises a main board, the elastic member is disposed on the main board, the elastic member comprises an elastic arm extending towards the switch on the PCB on the main board, a pressing portion is disposed at a free end of the elastic arm, the pressing portion has an inclined surface contacting with the soft rubber button, the pressing portion has a bottom surface contacting with the switch on the PCB, and the inclined surface of the pressing portion is pressed by the soft rubber button to press the bottom surface of the pressing portion onto the switch on the PCB.

3. The thermal printer with dustproof and waterproof keys as claimed in claim 2, wherein the key holder further comprises a supporting plate connected to the main plate, one side of the supporting plate is connected to the main plate, two ends of the other side of the supporting plate are symmetrically provided with lugs, and a bottom surface of the upper cover is provided with a groove for the lugs of the supporting plate to be clamped into.

4. The thermal printer with dustproof and waterproof keys as claimed in any one of claims 1 to 3, wherein a through hole is opened in said main board, a screw post corresponding to said through hole of said main board is provided on the bottom surface of said upper cover, and said main board is fixed to said screw post on the bottom surface of said upper cover by passing a screw through said through hole of said main board.

5. The thermal printer with dustproof and waterproof keys as claimed in claim 4, wherein a panel is arranged on the surface of the upper cover at the position of the soft rubber key.

6. The thermal printer having a dustproof and waterproof button according to claim 2 or 3, wherein the elastic arm has an S-shaped cross section.