CN218996563U - Key with plastic elastic arm - Google Patents

Abstract

The utility model relates to the field of thermal printers, in particular to a key with a plastic elastic arm, which comprises: the plastic button comprises an upper cover, a main board and a plastic button, wherein the main board and the upper cover are mutually buckled and connected to form a mutually meshed compact structure, a key table for supplying power to the plastic button and an electronic button are arranged on the surface of the main board, the electronic button is arranged on the key table and used for increasing or decreasing button handfeel and reducing buffering, a convex point is arranged at the center of the plastic button, and the plastic convex point is connected with the electronic button. The main board is provided with an electronic key, and the electronic key is positioned above the convex block of the main board. The utility model has the characteristics of enabling the keys of the keyboard to be more stable, improving the hand feeling of the keys by a simple method and saving the production cost.

Description

Key with plastic elastic arm

Technical Field

The utility model relates to the technical field of thermal printers, in particular to a key with a plastic elastic arm.

Background

The thermal printer has function keys, typically, the plastic keys directly contact the electronic keys, and the plastic keys are rebounded by the rebounded force of the electronic keys after being pressed. The rebound force of the electronic switch is fully utilized, the rebound force is small, the plastic key is required to be contacted with the electronic key, otherwise the plastic key can shake abnormal sound, the rebound stroke of the electronic key is small, the hand feeling of the key can not be well controlled, and the key can be pressed with small force.

The key of the plastic elastic arm in the prior art has the problems: in a traditional method, silica gel or a spring is added below the plastic key, and the resilience of the silica gel or the spring is utilized to enable the plastic key to rebound. This approach increases material and labor assembly costs.

The utility model comprises the following steps:

in order to overcome the defects of the prior art, the utility model aims to provide the key with the plastic elastic arm, wherein the combination of the plastic elastic arm and the plastic key increases the hand feeling of the key, and reduces the material and manual assembly cost.

In order to solve the problems, the technical scheme adopted by the utility model is as follows: a key with a plastic elastic arm, comprising: the electronic key comprises a main board and a plastic key, wherein a key table for supplying power to the plastic key and an electronic key are arranged on the surface of the main board, the electronic key is arranged on the key table and used for increasing and decreasing key handfeel and reducing buffering, a bump is arranged at the center of the plastic key, and the plastic bump is connected with the electronic key.

Therefore, the utility model has the following beneficial effects:

according to the loudspeaker fixing mode, the loudspeaker can be clamped below the inclined plane at the top of the buckle in an embedding mode, the included angle formed by the three buckles for fixing the loudspeaker can enable the loudspeaker to be firmly fixed in the fixed buckle, the sponge pad is further arranged at the bottom of the loudspeaker, and the loudspeaker and the rubber shell are prevented from forming a sand dumb sound generated by resonance, so that the loudspeaker fixing position can be conveniently and rapidly clamped in the fixed buckle when the loudspeaker fixing mode is used, the loudspeaker fixing mode is convenient to use, adverse effects of sound emission of the loudspeaker are eliminated, and the loudspeaker fixing mode is easier to assemble.

Still further, the method comprises the steps of: the plastic button comprises an upper cover, a main board and plastic buttons, wherein the main board and the upper cover are mutually buckled and connected to form a mutually meshed compact structure, a key table for supplying power to the plastic buttons and electronic buttons are arranged on the surface of the main board, the electronic buttons are arranged on the key table and used for increasing and decreasing button handfeel and reducing buffering, protruding points are arranged at the centers of the plastic buttons, and the plastic protruding points are connected with the electronic buttons. The main board is provided with an electronic key, and the electronic key is positioned above the bump of the main board.

Still further, be equipped with a plurality of elastic arms on the plastic button, the elastic arm is connected with the edge of plastic button, the elastic arm has first kink and second kink, first kink with the inside of upper cover is fixedly connected, the second kink with the surface of mainboard is connected.

Therefore, the plastic key is provided with a plurality of elastic arms, the elastic arms are connected with one end edge of the plastic key, each elastic arm is provided with a first bending part and a second bending part, the first bending parts are fixedly connected with the inner part of the upper cover, and the second bending parts are connected with the surface of the main board.

Still further, the edge of upper cover is equipped with the screw hole, the fixed position of mainboard with the screw hole of upper cover passes through screw screwed connection.

It can be seen that the edge of upper cover is equipped with the screw hole, and the fixed position of mainboard passes through screw screwed connection with the screw hole of upper cover.

In a further scheme, pins of the electronic key are connected with a metal interface end of the main board.

It can be seen that the pins of the electronic key are connected with the metal interface end of the main board.

In a further scheme, the plastic keys are in mutual abutting connection with the electronic keys on the main board, and a groove is formed in the bottom of each plastic key and is used for being buckled with the convex points of the electronic keys.

It can be seen that the plastic button is mutually contradicted and connected with the electronic button on the mainboard, and the bottom of plastic button is equipped with a recess for with the bump lock of electronic button.

The plastic key is characterized in that a key hole is formed in the middle of the upper cover and used for placing the plastic key, and step clamping parts are arranged on the periphery of the upper cover and used for fixing the plastic key, so that the plastic key cannot swing in the use process.

It can be seen that the middle part of upper cover is equipped with a key hole for place the plastic button, be equipped with ladder screens portion around the upper cover for fixed plastic button for the plastic button can not swayd in the use.

The further scheme is, still including the supporting rib, the supporting rib set up in electron button's bump department, the supporting rib is located electron button with between the plastic button for make the plastic button can not break away from the electron button, and make the in-process button that the button used have elasticity.

Therefore, the supporting ribs are arranged at the protruding points of the electronic keys, and the supporting ribs are positioned between the electronic keys and the plastic keys and used for preventing the plastic keys from being separated from the electronic keys and enabling the keys to be elastic in the using process of the keys.

Drawings

Fig. 1 is a schematic structural diagram of a key with a plastic elastic arm according to the present utility model.

Fig. 2 is a schematic side view of a key with a plastic elastic arm according to the present utility model.

Reference numerals illustrate: a key hole 100; a plastic key 200; an electronic key 300; a resilient arm 400; a main board 500; and a cover 600.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained without creative efforts by those skilled in the art based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-2, the present utility model provides a technical solution:

as shown in fig. 1, a key with a plastic elastic arm according to a preferred embodiment of the present utility model includes an upper cover, a main board and a plastic key, wherein the main board and the upper cover are mutually buckled and connected to form a mutually meshed tight structure, a key table for supplying power to the plastic key is arranged on the surface of the main board, an electronic key is arranged on the key table, the electronic key is used for increasing or decreasing key hand feeling and reducing buffering, and a plastic bump is arranged in the center of the plastic key, and is connected with the electronic key.

Therefore, the key with the plastic elastic arm can be used for tightly connecting the plastic key with the electronic key through design, the electronic key can be connected with the main board from multiple angles through the plastic elastic arm, and the hand feeling of the key can be increased through the plastic elastic arm.

Further, the plastic key 200 is provided with a plurality of elastic arms 400, the elastic arms 400 are connected with one end edge of the plastic key 200, the elastic arms 400 have a first bending part and a second bending part, the first bending part is fixedly connected with the inside of the upper cover 600, and the second bending part is connected with the surface of the main board 500.

Further, screw holes are provided at the edge of the upper cover 600, and the fixing position of the main board 500 is screw-coupled with the screw holes of the upper cover 600 by screws.

Further, the pins of the electronic key 300 are connected to the metal interface end of the motherboard 500.

Further, the plastic key 200 is in abutting connection with the electronic key 300 on the motherboard 500, and a groove is formed at the bottom of the plastic key 200 for buckling with the bump of the electronic key 300.

Further, a key hole 100 is provided in the middle of the upper cover 600 for placing the plastic key 200, and a step clamping portion is provided around the upper cover 600 for fixing the plastic key 200, so that the plastic key 200 does not swing during use.

Further, the electronic key further comprises a supporting rib, the supporting rib is arranged at the bump of the electronic key 300, the supporting rib is arranged between the electronic key 300 and the plastic key 200 and is used for preventing the plastic key 200 from separating from the electronic key 300 and enabling the key to be elastic in the using process of the key.

Specifically, a key with a plastic elastic arm 400 of the thermal printer of the present embodiment includes: the electronic keyboard comprises an upper cover 600, a main board 500 and a plastic key 200, wherein the main board 500 and the upper cover 600 are mutually buckled and connected to form a mutually meshed compact structure, a key table for supplying power to the plastic key 200 and an electronic key 300 are arranged on the surface of the main board 500, the electronic key 300 is arranged on the key table, the electronic key 300 is used for increasing or decreasing key handfeel and reducing buffering, a bump is arranged in the center of the plastic key 200, and the bump of the plastic key 200 is connected with the electronic key 300.

The working flow of the utility model is as follows: the plastic elastic arm 400 is first embedded into the main board 500, then the groove at the bottom of the plastic key 200 is buckled with the convex points of the electronic key 300, the plastic key 200 passes through the key hole 100 in the upper cover 600, and finally the upper cover 600 is fixed with the main board 500 by screws.

The resilience degree of the keys can be different by adjusting the tightness degree of the plastic elastic arm 400 connected with the main board 500. The utility model can simplify the production process of the keys of the plastic elastic arm 400 and has certain popularization value. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

It should be noted that, in the description of the present utility model, if an azimuth or positional relationship is referred to, for example, upper, lower, front, rear, left, right, etc., the azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be configured or operated in a specific azimuth, and should not be construed as limiting the present utility model.

In the description of the present utility model, a plurality means one or more, and a plurality means two or more, and it is understood that greater than, less than, exceeding, etc. does not include the present number, and it is understood that greater than, less than, within, etc. include the present number. If any, first or second, etc. are described for the purpose of distinguishing between technical features only and not for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (7)

1. A key with a plastic elastic arm, comprising: the electronic key comprises an upper cover, a main board and a plastic key, wherein the main board and the upper cover are mutually buckled and connected to form a mutually meshed compact structure, a key table for supplying power to the plastic key is arranged on the surface of the main board, an electronic key is arranged on the key table and used for increasing and decreasing key handfeel and reducing buffering, and a plastic bump is arranged at the center of the plastic key and connected with the electronic key.

2. The key with plastic elastic arm as set forth in claim 1, wherein: the plastic key is provided with a plurality of elastic arms, the elastic arms are connected with one end edge of the plastic key, each elastic arm is provided with a first bending part and a second bending part, the first bending parts are fixedly connected with the inner part of the upper cover, and the second bending parts are connected with the surface of the main board.

3. The key with plastic elastic arm as set forth in claim 1, wherein: the edge of upper cover is equipped with the screw hole, the fixed position of mainboard with the screw hole of upper cover passes through screw threaded connection.

4. The key with plastic elastic arm as set forth in claim 1, wherein: and pins of the electronic keys are connected with the metal interface end of the main board.

5. The key with plastic elastic arm as set forth in claim 1, wherein: the plastic keys are mutually abutted and connected with the electronic keys on the main board, and a groove is formed in the bottom of each plastic key and is used for being buckled with the convex points of the electronic keys.

6. The key with plastic elastic arm as set forth in claim 1, wherein: the middle part of upper cover is equipped with a key hole for place the plastic button, be equipped with ladder screens portion around the upper cover for fixed the plastic button for the plastic button can not swayd in the use.

7. The key with plastic elastic arm as set forth in claim 1, wherein: still including the supporting rib, the supporting rib set up in electron button's bump department, the supporting rib is located electron button with between the plastic button for make the plastic button can not break away from the electron button, and make the in-process button that the button used have elasticity.

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