CN216069271U - Portable thermal printer - Google Patents
Portable thermal printer Download PDFInfo
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- CN216069271U CN216069271U CN202121125270.7U CN202121125270U CN216069271U CN 216069271 U CN216069271 U CN 216069271U CN 202121125270 U CN202121125270 U CN 202121125270U CN 216069271 U CN216069271 U CN 216069271U
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- printed circuit
- thermal printer
- portable thermal
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- 230000002093 peripheral effect Effects 0.000 claims description 17
- 239000006260 foam Substances 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 53
- 238000007651 thermal printing Methods 0.000 abstract description 13
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000007639 printing Methods 0.000 description 14
- 238000005034 decoration Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000741 silica gel Substances 0.000 description 7
- 229910002027 silica gel Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
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- 238000010438 heat treatment Methods 0.000 description 2
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- 229910052705 radium Inorganic materials 0.000 description 2
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
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Abstract
The utility model relates to the technical field of thermal printing, and discloses a portable thermal printer, which comprises: a housing having an open battery mounting cavity; a battery disposed in the battery mounting cavity of the housing; and the sealing cover is fixed on the opening of the battery mounting cavity, and the battery is packaged in the battery mounting cavity of the shell. The portable thermal printer of the utility model optimizes and improves the assembly of the battery and the printed circuit board according to the internal structure characteristics of the shell: through printed circuit board, the closing cap is fixed on the uncovered of battery installation cavity, realizes encapsulating the battery in the battery installation cavity of casing, has also realized the fixed mounting to the battery when fixing printed circuit board, has simplified the inside mounting structure of casing, and casing inner structure is simple compact more, assembles convenient and fast more, reduces the required space of internally mounted, has reduced portable thermal printer's complete machine size.
Description
Technical Field
The utility model relates to the technical field of thermal printing, in particular to a portable thermal printer.
Background
The thermal printing technology was used in the fax machine for the first time, and its basic principle is to convert the data received by the printer into dot matrix signals to control the heating of the thermal unit, and heat and develop the thermal coating on the thermal paper. Thermal printers have only used a dedicated thermal paper, which is coated with a coating that changes color when exposed to heat, similar to a photographic film, but changes color when exposed to heat, and thermal printing techniques have been developed using this characteristic of thermal coatings.
Thermal printing is widely applied to POS terminal systems, bank systems, express delivery, supermarkets and the like due to the characteristic of portability. Thermal printing is applied to an education system, and is used for error printing by virtue of the characteristics of portability and low cost. Referring to fig. 1, the portable thermal printer for error printing comprises a housing 1, a battery installation cavity 2 for installing a battery 3 is arranged in the housing 1, in order to realize the fixed installation of the battery 3, a battery fixing plate 4 is covered on an opening of the battery installation cavity 2, and the battery fixing plate 4 is fastened through a connecting screw 6. The bottom of the shell 1 is provided with a mounting opening through which the battery 3 and the battery fixing plate 4 can be assembled and disassembled, and meanwhile, the printed circuit board 5 of the portable thermal printer is covered on the mounting opening, and the printed circuit board 5 is fastened through the connecting screw 6.
The above-described structure of the portable thermal printer has the following disadvantages:
the internal structure of the shell 1 needs to be fixedly mounted with the battery fixing plate 4 and the printed circuit board 5 at the same position, and the corresponding mounting structure needs to be designed, so that the structure is complex.
And (II) the internal structure of the shell needs to be fixedly installed with the battery fixing plate 4 and the printed circuit board 5 at the same position, and an assembly space needs to be reserved, so that the internal space of the shell is increased, and the whole structure is not compact enough.
And (III) the battery fixing plate 4 and the printed circuit board 5 are fastened through the connecting screws 6 respectively, so that the assembly mode is complicated and the disassembly and the assembly are inconvenient.
In view of the above, the present invention is particularly proposed.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention proposes a portable thermal printer including:
a housing having an open battery mounting cavity;
a battery disposed in the battery mounting cavity of the housing;
and the sealing cover is fixed on the opening of the battery mounting cavity, and the battery is packaged in the battery mounting cavity of the shell.
As an optional embodiment of the present invention, the opening of the battery installation cavity is located at the bottom of the housing, and the printed circuit board is fixed on the outer peripheral wall of the opening of the battery installation cavity through a fastening connector, so as to fix the battery in the battery installation cavity.
As an optional embodiment of the present invention, the fastening connector is a connecting screw, a plurality of screw holes are formed in the peripheral wall of the opening of the battery installation cavity along the circumferential direction, and one end of the connecting screw penetrates through the printed circuit board and is fastened to the screw holes.
As an optional embodiment of the present invention, the portable thermal printer includes an elastic buffer member disposed between the battery and the printed circuit board, and a side of the elastic buffer member contacting the battery abuts against the battery to fix the battery in the battery mounting cavity.
As an optional embodiment of the present invention, the elastic buffer is a buffer foam attached to the printed circuit board, and the buffer foam is disposed to avoid the electronic component on the printed circuit board.
As an optional embodiment of the present invention, a plurality of heat dissipation holes are formed on a wall of the battery installation cavity and/or on the printed circuit board.
As an optional embodiment of the present invention, the battery mounting cavity has a plurality of protrusions on an outer peripheral wall of the opening, the protrusions are provided with mounting holes, the printed circuit board is fastened on the protrusions through fastening connectors, and a plurality of ventilation and heat dissipation holes are formed between the printed circuit board and the outer peripheral wall of the opening of the battery mounting cavity.
As an optional embodiment of the present invention, the housing is provided with a mounting opening corresponding to the opening of the battery mounting cavity, and the printed circuit board can be fixed on the opening of the battery mounting cavity through the mounting opening; the portable thermal printer comprises a bottom plate, and the bottom plate is detachably covered on the mounting opening.
As an optional embodiment of the present invention, the bottom plate has a buckle, a bayonet is disposed on the outer peripheral wall of the mounting opening, and the buckle is clamped in the bayonet to detachably clamp the bottom plate on the mounting opening.
As an alternative embodiment of the present invention, the bottom plate is provided with a support rib for supporting the printed circuit board.
Compared with the prior art, the utility model has the beneficial effects that:
the portable thermal printer of the utility model optimizes and improves the assembly of the battery and the printed circuit board according to the internal structure characteristics of the shell: through printed circuit board, the closing cap is fixed on the uncovered of battery installation cavity, realizes encapsulating the battery in the battery installation cavity of casing, has also realized the fixed mounting to the battery when fixing printed circuit board, has simplified the inside mounting structure of casing, and casing inner structure is simple compact more, assembles convenient and fast more, reduces the required space of internally mounted, has reduced portable thermal printer's complete machine size.
The portable thermal printer of the utility model has the following structural characteristics:
(1) the portable thermal printer has the advantages that the whole product is compact, the battery is fixed while the printed circuit board is fixed, and the separately installed battery fixing plate and the fastening screw of the battery fixing plate are omitted.
(2) The function of the original battery fixing plate is assumed by the printed circuit board.
(3) A buffer foam is additionally arranged between the battery and the printed circuit board to protect the printed circuit board and the battery.
(4) The bottom plate is additionally provided with ribs to support the printed circuit board, so that the printed circuit board is prevented from being damaged.
(5) The installation procedure of the battery fixing plate is omitted, the structure is compact, and no space is wasted.
(6) The portable thermal printer complete machine product can be smaller and more exquisite.
The portable thermal printer has the advantages of compact structure, material saving, no space waste and small and exquisite whole machine product.
Description of the drawings:
FIG. 1 is a schematic diagram of a prior art portable thermal printer;
FIG. 2 is a schematic view of the portable thermal printer of the present invention;
FIG. 3 is a schematic view of a decoration case mounting structure of the portable thermal printer according to the present invention;
FIG. 4 is a schematic view of the portable thermal printer with the decorative cover removed;
fig. 5 is a partial cross-sectional view of the portable thermal printer of the present invention.
Reference numbers in the drawings illustrate: 1-2-battery installation cavity 3-battery 4-battery fixed plate 5-printed circuit board 6-connecting screw 7-elastic buffer piece 8-bottom plate 9-thermal printing scroll 10-printing paper installation cavity 11-decoration shell 14-joint structure 15-location structure 19-control panel 20-key main body 21-spacing bulge loop 22-key cap 23-printing light-transmitting display area.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship which is usually placed when the utility model is used, or the orientation or position relationship which is usually understood by those skilled in the art, and these terms are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Referring to fig. 2, the present embodiment provides a portable thermal printer including:
a housing 1 having an open battery mounting cavity 2;
the battery 3 is arranged in the battery mounting cavity 2 of the shell;
and the printed circuit board 5 is fixed on the opening of the battery installation cavity 2 by a sealing cover, and the battery 3 is packaged in the battery installation cavity 2 of the shell 1.
The portable thermal printer of this embodiment adopts the thermal printing technique can realize the printing of supermarket shopping receipt, bank transaction document, express delivery document etc. can also cooperate cell-phone APP to realize searching for the question and print and mistake question printing etc.. The portable thermal printer of the present embodiment is optimized and improved for the assembly of the battery 3 and the printed circuit board 5 according to the internal structural features of the housing 1: through printed circuit board 5, the closing cap is fixed on the uncovered of battery installation cavity 2, realizes encapsulating battery 3 in battery installation cavity 2 of casing 1, has also realized the fixed mounting to battery 3 when fixing printed circuit board 5, has simplified the inside mounting structure of casing 1, and casing 1 inner structure is simple compact more, assembles convenient and fast more, reduces the required space of inner mounting, has reduced portable thermal printer's complete machine size.
Further, this embodiment the uncovered of battery installation cavity 2 is located the bottom of casing 1, printed circuit board 5 fix through fastening connection on the uncovered periphery wall of battery installation cavity 2, fix battery 3 in the battery installation cavity.
In order to ensure the tight mounting of the printed circuit board 5 and also to ensure that the battery 3 is fixed in the battery mounting cavity and remains stable, the printed circuit board 5 of the present embodiment is fixed by a fastening connector, which may be a screw, nail or snap connection structure.
As an optional implementation manner of this embodiment, the fastening connector in this embodiment is a connecting screw 6, a plurality of screw holes are formed in the peripheral wall of the opening of the battery installation cavity 2 along the circumferential direction, and one end of the connecting screw 6 penetrates through the printed circuit board 5 and is fastened to the screw holes.
The embodiment realizes the fastening of the printed circuit board 5 through the connecting screw 6, ensures the fixing stability of the printed circuit board 5 and is convenient to disassemble and assemble. As an alternative embodiment of this embodiment, the portable thermal printer of this embodiment includes an elastic buffer 7 disposed between the battery 3 and the printed circuit board 5, and a side of the elastic buffer 7 contacting the battery 3 abuts against the battery 3 to fix the battery 3 in the battery mounting cavity 2.
In order to prevent the failure of the printed circuit board 5 caused by the hard contact between the battery 3 and the printed circuit board 5 when the vibration or the drop of the whole thermal printer occurs during the transportation or the use of the thermal printer, the present embodiment performs the shock absorption and the buffering by the elastic buffer 7 arranged between the battery 3 and the printed circuit board 5. In addition, the battery 3 of the embodiment is fixed in the battery installation cavity 2, for example, the battery is attached to the inner wall of the battery installation cavity 2 in a sticking manner, or the battery is fixed in the installation cavity in a limiting manner through a limiting structure, so that the bearing force of the printed circuit board 5 is reduced or avoided.
As an optional implementation manner of this embodiment, a structural member made of a flexible material and having an elastic buffering function is used, specifically, the elastic buffering member 7 is a buffering foam attached to the printed circuit board 5, and the buffering foam is disposed to avoid the electronic components on the printed circuit board 5.
Further, the portable thermal printer of this embodiment needs to consider the heat dissipation problem of the battery 3 during the printing process, and therefore, a plurality of heat dissipation holes are formed on the wall of the battery installation cavity 2 and/or the printed circuit board 5 in this embodiment.
The heat dissipation holes in this embodiment may be selectively formed in the peripheral wall of the battery mounting cavity 2 or the printed circuit board 5, but need to be formed on the printed circuit board 5 so as to avoid electronic components and circuits.
As an optional implementation manner of this embodiment, in this embodiment, the open peripheral wall of the battery installation cavity 2 has a plurality of protrusions, the protrusions are provided with installation holes, the printed circuit board 5 is fastened on the protrusions through fastening connectors, and a plurality of ventilation and heat dissipation holes are formed between the printed circuit board 5 and the open peripheral wall of the battery installation cavity 2.
The portable thermal printer of this embodiment can also conduct heat out by the heat conducting element extending into the battery mounting chamber 2, and even can consider heating the radiator for heat dissipation.
Further, the casing 1 of the portable thermal printer of this embodiment is provided with a mounting opening corresponding to the opening of the battery mounting cavity 2, and the printed circuit board 5 can be fixed on the opening of the battery mounting cavity through the mounting opening. In the present embodiment, the battery 3 and the printed circuit board 5 are mounted, so that the mounting opening is provided in the housing 1, and the mounting opening is sealed after the battery 3 and the printed circuit board 5 are mounted.
Specifically, the portable thermal printer of the embodiment comprises a bottom plate 8, and the bottom plate 8 covers the mounting opening in a detachable mode. Because the bottom plate 8 is only used for plugging the mounting opening, a quick-release and quick-assembly mounting structure can be selected.
As an optional implementation manner of this embodiment, the bottom plate 8 is provided with a buckle, a bayonet is arranged on the outer peripheral wall of the mounting opening, and the buckle is clamped in the bayonet to detachably clamp the bottom plate 8 on the mounting opening. The bottom plate 8 of this embodiment adopts the mode of joint to realize quick detach fast-assembling, simple structure, and convenient operation is swift.
The casing 1 of the portable thermal printer of this embodiment further has a printing paper installation cavity, and a thermal printing paper roll 9 is installed in the printing paper installation cavity and used for thermal printing.
Therefore, the portable thermal printer of the utility model has the following structural characteristics:
(1) the portable thermal printer has the advantages that the whole product is compact, the battery is fixed while the printed circuit board is fixed, and the separately installed battery fixing plate and the fastening screw of the battery fixing plate are omitted.
(2) The function of the original battery fixing plate is assumed by the printed circuit board.
(3) A buffer foam is additionally arranged between the battery and the printed circuit board to protect the printed circuit board and the battery.
(4) The bottom plate is additionally provided with ribs to support the printed circuit board, so that the printed circuit board is prevented from being damaged.
(5) The installation procedure of the battery fixing plate is omitted, the structure is compact, and no space is wasted.
(6) The portable thermal printer complete machine product can be smaller and more exquisite.
The portable thermal printer has the advantages of compact structure, material saving, no space waste and small and exquisite whole machine product.
Referring to fig. 3, the present embodiment provides a portable thermal printer including:
a housing 1 having a decorative shell mounting portion;
the decoration shell 11 is detachably arranged on the decoration shell installation part;
decorate shell 11 on set up the location structure 15 that is used for decorating shell installation location and be used for decorating fixed joint structure 14 of shell installation.
The portable thermal printer of this embodiment adopts the thermal printing technique can realize the printing of supermarket shopping receipt, bank transaction document, express delivery document etc. can also cooperate cell-phone APP to realize searching for the question and print and mistake question printing etc.. In order to meet the requirement of quick assembly and disassembly of the decorative shell 11, the portable thermal printer of the embodiment provides a brand-new installation structure of the decorative shell 11, the positioning structure 15 is used for positioning when the decorative shell 11 is installed, the decorative shell 11 is pre-installed after the positioning is completed, that is, the decorative shell 11 is installed in place, and then the fastening structure 14 is used for fastening to fix the decorative shell 11, so that the decorative shell 11 is quickly installed; when decorating the dismantlement of shell 11, only need buckle the joint structure 14 of decorating shell 11 and can take off, realized decorating the quick dismantlement of shell 11.
The portable thermal printer of this embodiment adopts the mounting structure mode that joint structure 14 and location structure 15 combined together, and for the screw mounting mode, the structure is simpler, and the installation is dismantled more convenient fast, for full buckle mounting mode, has reduced the quantity of buckle, and the dismouting is more convenient, combines location structure 15 to guarantee comprehensive fastening nature simultaneously.
As an optional implementation manner of this embodiment, the decorative shell 11 of this embodiment includes a first decorative plate and a second decorative plate that are integrally formed, and the first decorative plate and the second decorative plate are disposed at a certain included angle; the positioning structure 15 is arranged on the first decorative plate/the second decorative plate, and the clamping structure 14 is arranged on the second decorative plate/the first decorative plate.
The decorative shell 11 of this embodiment is not a flat plate structure, and the positioning structure 15 and the clamping structure 14 are arranged according to the structural characteristics of the decorative shell 11.
Specifically, a connecting intersection line is arranged between the first plaque and the second plaque, a plurality of positioning structures 15 are arranged on the inner wall surface of the first plaque along the direction parallel to the connecting intersection line, and a plurality of clamping structures 14 are arranged on the inner wall surface of the second plaque along the direction parallel to the connecting intersection line.
In this embodiment, the fastening structure 14 and the positioning structure 15 are respectively disposed on different decorative plates, so that the decorative plate on one side is fastened and fixed after the decorative plate on the other side is positioned, thereby achieving overall fixation of the whole peripheral direction of the decorative shell 11.
As an optional implementation manner of this embodiment, the decoration housing installation portion is an installation frame, the positioning structure 15 is a positioning column, the installation frame is provided with a positioning hole, and the positioning column is inserted into the positioning hole for installation and positioning. Of course, the positioning structure 15 of the present embodiment may also selectively adopt positioning holes, and the mounting frame is correspondingly provided with positioning pillars.
The positioning structure 15 of the present embodiment should keep the decorative shell 11 at a certain installation position after positioning, so that the positioning posts of the present embodiment can be disposed at one and eccentric positions, and the corresponding positioning holes on the installation frame are also disposed at eccentric positions.
When the reference column sets up one, when decorating the location of shell 11, decorate shell 11 and probably take place to rotate, installation location that can not be fine, as an embodiment of this embodiment, the reference column include first reference column and second reference column, first reference column and second reference column be located the both ends of a side of first plaque respectively, through the spacing location that can realize decorating shell 11 of upper and lower, left and right directions of location of two reference columns of first reference column and second reference column, avoid its location after to remove.
As another embodiment of this embodiment, the positioning column is a prism, and the positioning hole is a polygonal hole matching the prism, so that the decorative shell 11 cannot rotate after being positioned.
As an optional implementation manner of this embodiment, the clamping structure described in this embodiment is a buckle, the mounting frame is provided with a clamping groove, and the buckle is clamped in the clamping groove for mounting and fixing.
Furthermore, the buckle of this embodiment includes a plurality ofly, respectively along a side evenly distributed of second plaque.
As an optional implementation manner of this embodiment, the decoration housing installation portion of this embodiment is an installation frame, the positioning structure is a positioning hole, and the installation frame is provided with a positioning column, which is inserted into the positioning hole for installation and positioning; the clamping structure be the joint groove, the installing frame on set up the buckle, the buckle joint be in the joint inslot is installed fixedly.
In the portable thermal printer of the embodiment, the first decorative plate is a horizontal plate, an included angle between the second decorative plate and the first decorative plate is larger than 90 degrees, and the upper surface of the first decorative plate is provided with a key decoration model.
The casing 1 of the portable thermal printer of this embodiment further has a printing paper installation chamber 10 therein, and a thermal printing paper roll is installed in the printing paper installation chamber 10 for thermal printing.
Referring to fig. 4, the portable thermal printer of the present embodiment:
the mode of disassembling the decorative shell is as follows: the L-shaped decorative shell is slightly pulled by fingers to be separated from the buckling position, and then taken out along the direction of the positioning column of the L-shaped decorative shell, so that the process of disassembling the decorative shell is completed.
The mode of installing the decorative shell: put to the end to 2 locating holes of the L type decorative shell earlier, (the effect of locating hole is that the left-right removal about preventing decorative shell from moving around), 3 buckles of the L type decorative shell can be because the stress of decorative shell L shape can be detained corresponding buckle draw-in groove the inside, prevent decorative shell rebound.
The portable thermal printer of this embodiment, the decoration shell of L type reaches simple, convenient, swift the change through the buckle mode of another type and decorates the shell, reaches the pleasing to the eye effect of the product of the decoration that a product is different.
Referring to fig. 5, the present embodiment provides a portable thermal printer including:
a housing 1 having a key mounting area;
the key is arranged in the key installation area;
the key comprises a key cap 22 made of light-blocking materials and a key main body 20 made of light-transmitting materials, wherein the key cap 22 is provided with a light-transmitting display area 23, and one end of the key main body 20 penetrates through the key cap 22 and is abutted to the light-transmitting display area 23.
Most of the existing portable thermal printers adopt silica gel keys, and the silica gel keys need to transmit symbol light. The common silica gel key is manufactured by surface spraying, a silica gel key made of transparent silica gel is produced, then a light blocking material and an appearance color material are sprayed on the surface of the silica gel key to form a light blocking layer, and finally the position of a light transmitting area is laser carved on the light blocking layer. The surface of a silica gel key of the existing portable thermal printer is sprayed with light-blocking paint and paint with appearance colors, the paint spraying is not environment-friendly, then a light-transmitting area is carved out by radium, and the radium carving cost is high.
The key body 20 of the key of the portable thermal printer of the embodiment can transmit light, the key cap 22 blocks light, and the light transmitted by the key body 20 is incident on the light transmitting display area 23 by arranging the light transmitting display area 23 on the key cap 22, so that the symbol light display of the key can be realized. For the existing symbol light display mode of the key, the key cap 22 is used for replacing spraying light-blocking paint, so that the key is more environment-friendly.
As an optional implementation manner of this embodiment, the key cap 22 of this embodiment includes a key cap body, the key cap body is a cylindrical structure, a channel with an open end is formed in the key cap body, and a light-transmitting display area 23 is formed at a closed end of the key cap body; one end of the key main body 20 passes through the opening of the key cap body and extends into the channel to abut against the light-transmitting display area 23.
In this embodiment, the key main body 20 passes through the opening of the key cap body and extends into the channel to abut against the transparent display area 23, so that the light-emitting light is guided to the transparent display area 23 for displaying the symbol light. Further, in the present embodiment, the key main body 20 extends into the channel of the key cap body and is fixedly connected to the key cap body.
As an optional implementation manner of this embodiment, in this embodiment, the key main body 20 is a cylinder, the outer peripheral wall of the key main body 20 has an external thread structure, the channel of the key cap body has an internal thread structure, and the external thread structure and the internal thread structure are in threaded connection to fasten the key main body in the channel of the key cap body.
As an optional implementation manner of this embodiment, the key installation area is a decorative housing 11, and the key is installed on the decorative housing 11.
Specifically, set up the button mounting hole on the decoration casing 11 of this embodiment, the button mounting hole is stretched out to the one end that the key cap body has the printing opacity display area, button key cap 22 includes spacing bulge loop 21, and spacing bulge loop 21 sets up on the one end periphery wall that the key cap body is located the button mounting hole for the restriction key cap body is deviate from by the button mounting hole.
Furthermore, a plurality of keys are arranged on the decorative shell, and each key is provided with a light-transmitting display area corresponding to the function identifier. Specifically, the keys include a power on/off key, a print key and the like.
As an optional implementation manner of this embodiment, the light-transmitting display area 23 described in this embodiment is a hollow pattern that is disposed on the key cap 22 and processed according to a preset icon, which reduces the production cost compared with the laser etching process.
The hollow pattern of the embodiment can be directly and integrally formed when the key cap 22 is injection molded.
The portable thermal printer of the embodiment comprises a control panel 19, wherein the control panel 19 is provided with key lamps corresponding to the keys, and the other end of the key main body 20 is opposite to the key lamps. Thus, light emitted from the key lamp can be transmitted to the light-transmissive display region 23 through the key main body 20.
Further, the control board 19 of this embodiment has a key membrane corresponding to each key, the other end of the key main body is opposite to the key membrane, and the key membrane is used for triggering and generating a control signal corresponding to the key when the key is operated.
The above embodiments are only used for illustrating the utility model and not for limiting the technical solutions described in the utility model, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all the technical solutions and modifications without departing from the spirit and scope of the present invention are within the scope of the claims of the present invention.
Claims (8)
1. A portable thermal printer, comprising:
a housing having an open battery mounting cavity;
a battery disposed in the battery mounting cavity of the housing;
the seal cover is fixed on the opening of the battery mounting cavity, and the battery is packaged in the battery mounting cavity of the shell;
the opening of the battery mounting cavity is positioned at the bottom of the shell, and the printed circuit board is fixed on the outer peripheral wall of the opening of the battery mounting cavity through a fastening connecting piece to fix the battery in the battery mounting cavity;
the shell is provided with a mounting opening corresponding to the opening of the battery mounting cavity, and the printed circuit board can be fixed on the opening of the battery mounting cavity through the mounting opening; the portable thermal printer comprises a bottom plate, and the bottom plate is detachably covered on the mounting opening.
2. The portable thermal printer according to claim 1, wherein the fastening connector is a connecting screw, a plurality of screw holes are circumferentially formed in the open outer peripheral wall of the battery mounting cavity, and one end of the connecting screw penetrates through the printed circuit board and is fastened to the screw holes.
3. The portable thermal printer according to any one of claims 1-2, comprising an elastic buffer member disposed between the battery and the printed circuit board, wherein a side of the elastic buffer member contacting the battery abuts against the battery to fix the battery in the battery mounting cavity.
4. The portable thermal printer according to claim 3, wherein said elastic buffer member is a buffer foam attached to said printed circuit board, said buffer foam being disposed to avoid electronic components on said printed circuit board.
5. The portable thermal printer according to any one of claims 1-2, wherein the battery mounting chamber has a plurality of heat dissipating holes formed in a wall thereof and/or in the printed circuit board.
6. The portable thermal printer according to any one of claims 1-2, wherein the battery mounting chamber has a plurality of projections on an open peripheral wall thereof, the projections having mounting holes, the printed circuit board being fastened to the projections by fastening members, and a plurality of ventilation holes being formed between the printed circuit board and the open peripheral wall of the battery mounting chamber.
7. The portable thermal printer according to claim 1, wherein the bottom plate has a snap, a bayonet is provided on the outer peripheral wall of the mounting opening, and the snap is engaged with the bayonet to detachably engage the bottom plate with the mounting opening.
8. The portable thermal printer according to claim 1, wherein said base plate is provided with support ribs for supporting said printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121125270.7U CN216069271U (en) | 2021-05-24 | 2021-05-24 | Portable thermal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121125270.7U CN216069271U (en) | 2021-05-24 | 2021-05-24 | Portable thermal printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216069271U true CN216069271U (en) | 2022-03-18 |
Family
ID=80662612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121125270.7U Active CN216069271U (en) | 2021-05-24 | 2021-05-24 | Portable thermal printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216069271U (en) |
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2021
- 2021-05-24 CN CN202121125270.7U patent/CN216069271U/en active Active
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Address after: Room 3124, Xuanye Building, Pioneer Park, Torch High-tech Zone, Xiamen City, Fujian Province, 361006 Patentee after: XIAMEN MIAOBAO TECHNOLOGY CO.,LTD. Address before: 361006 room 3124, Xuanye building, Pioneer Park, torch hi tech Zone, Jimei District, Xiamen City, Fujian Province Patentee before: XIAMEN MIAOBAO TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230626 Address after: 6001, 6th Floor, No.1 Kaifeng Road, Shangdi Information Industry Base, Haidian District, Beijing, 100085 Patentee after: Beijing Baige Feichi Technology Co.,Ltd. Address before: Room 3124, Xuanye Building, Pioneer Park, Torch High-tech Zone, Xiamen City, Fujian Province, 361006 Patentee before: XIAMEN MIAOBAO TECHNOLOGY CO.,LTD. |