CN209888432U

CN209888432U - Printer and printing method

Info

Publication number: CN209888432U
Application number: CN201822213630.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xiamen Meow Technology Co Ltd
Current assignee: Beijing Baige Feichi Technology Co ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-01-03
Anticipated expiration: 2028-12-27

Abstract

The utility model relates to a printer, which comprises an upper machine body, a lower machine body and a printing mechanism; a paper storage cavity and a paper outlet channel are arranged between the upper machine body and the lower machine body; the rear side of the upper machine body is connected to the lower machine body in a way that the upper machine body can be overturned up and down through a hinge mechanism, and the hinge mechanism can slide back and forth relative to the lower machine body; the upper machine body can be switched between a first active state and a second active state relative to the lower machine body, wherein the first active state is that the upper machine body slides backwards firstly and then turns upwards, and the second active state is that the upper machine body turns downwards firstly and then slides forwards; the printer further includes: the printer comprises a detection switch which can be triggered to generate a sensing signal when the upper machine body is switched between a first active state and a second active state, and a control mechanism which controls the working state of the printing mechanism according to the sensing signal. The problem that the printing quality is influenced by the position deviation of the upper machine body and the lower machine body can be avoided.

Description

Printer and printing method

Technical Field

The utility model relates to a printing apparatus specifically relates to a printer.

Background

A conventional small handheld printer generally includes an upper body and a lower body, which are respectively configured with a paper guide roller and a thermal sensitive component, and a paper storage cavity and a paper output channel are disposed between the upper body and the lower body. In order to replace the printing paper, the upper body needs to be moved relative to the lower body. The existing printer has the disadvantages that after the printing paper is filled, the upper machine body is restored to the lower machine body, the relative position of the upper machine body and the lower machine body can be deviated, so that the matching position of the paper guide roller and the thermosensitive assembly is also deviated, and the printing quality is influenced. In view of this, the present application is specifically made.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a printer is with the last organism of solving current printer and lower organism positional deviation and the problem of influencing the printing quality is provided.

In order to solve the above technical problem, the present invention provides a printer, which comprises an upper body, a lower body, and a printing mechanism; a paper storage cavity and a paper outlet channel are arranged between the upper machine body and the lower machine body; the rear side of the upper machine body is connected to the lower machine body in a way that the upper machine body can be overturned up and down through a hinge mechanism, and the hinge mechanism can slide back and forth relative to the lower machine body; the upper machine body can be switched between a first active state and a second active state relative to the lower machine body, wherein the first active state is that the upper machine body slides backwards firstly and then turns upwards, and the second active state is that the upper machine body turns downwards firstly and then slides forwards; the printer further includes: the printer comprises a detection switch which can be triggered to generate a sensing signal when the upper machine body is switched between a first active state and a second active state, and a control mechanism which controls the working state of the printing mechanism according to the sensing signal.

Preferably, the detection switch includes: a photoelectric switch part on the upper body or the lower body and a light shielding part correspondingly on the lower body or the upper body.

Preferably, the upper body or the lower body has a fourth receiving groove for receiving the photoelectric switch portion, and the light shielding portion extends into the receiving groove.

Preferably, the lower body has a pair of hook grooves located at the front side and oppositely arranged left and right, and the upper body has a pair of hook parts located at the front side and oppositely arranged left and right; the pair of hook grooves and the pair of hook parts respectively correspond to each other, and the pair of hook parts are separated from the pair of hook grooves when the upper machine body slides backwards for a preset distance relative to the lower machine body and further overturns.

Preferably, the lower body has a pair of first receiving grooves located at the rear side and oppositely arranged left and right, and a sliding groove extending back and forth is formed on a groove wall of each first receiving groove; the hinge mechanism includes: a pair of hinged arms which are positioned at the rear side of the upper machine body and are oppositely arranged at the left and the right, and a pair of pin connectors; the pair of hinge arms correspond to the pair of first accommodating grooves and the pair of pin connectors respectively; each hinge arm is accommodated in the corresponding first accommodating groove and is in sliding fit with the sliding groove through the corresponding pin joint piece.

Preferably, each of the hinge arms has an L-shaped structure, an upper end thereof is connected to the upper body, and a right end thereof is slidably engaged with the sliding groove through the pin connector.

Preferably, the portions of the groove wall of each first accommodating groove located on the upper side and the lower side of the sliding groove are respectively provided with auxiliary grooves extending forwards and backwards, and the portion of the groove wall of each first accommodating groove located between the first accommodating groove and the auxiliary groove can be elastically deformed by the force applied by the pin connecting piece.

Preferably, each of the slide grooves has a dimension in a middle portion in the front-rear direction smaller than dimensions in front and rear portions, and the pin member has a radial dimension larger than the dimension in the middle portion and smaller than the dimensions in the front and rear portions.

By adopting the technical scheme, the utility model discloses can gain following technological effect:

1. the upper machine body of the printer can be switched between a first active state and a second active state relative to the lower machine body so as to correspondingly expose and shield the paper storage cavity and the paper outlet channel; meanwhile, in order to avoid influencing the normal work of the printing mechanism in the switching process, the detection switch is matched with the switching action, so that the detection switch can generate corresponding induction signals only when the positions of the upper machine body and the lower machine body are in the preset positions, and the problem that the printing quality is influenced by the position deviation of the upper machine body and the lower machine body can be further avoided;

2. compared with the situation without the auxiliary groove, under the condition that the part of the groove wall of the first accommodating groove, which is positioned between the first accommodating groove and the auxiliary groove, can be elastically deformed by the force applied by the pin joint piece, the pin joint piece is not easy to continuously clamp when the upper machine body overturns and slides, and the smoothness of the movement of the upper machine body is further facilitated;

3. under the radial dimension of the pin joint piece is larger than the dimension of the middle part and smaller than the dimensions of the front part and the rear part, the resistance borne by the pin joint piece is firstly increased and then decreased in the process of passing through the middle part, so that a user can directly judge whether the upper machine body slides to a preset position or not through the change of force application in the process of sliding the upper machine body back and forth in operation.

Drawings

FIG. 1 is a schematic diagram of a printer according to an embodiment of the present application when closed;

FIG. 2 is a schematic diagram of a printer according to an embodiment of the present disclosure after being turned on;

FIG. 3 depicts an exploded view of a printer according to an embodiment of the present application;

FIG. 4A is a schematic diagram illustrating an upper body of a printer according to an embodiment of the present disclosure sliding backward relative to a lower body;

FIG. 4B is a schematic view of the printer of the present application showing the printer omitted from the bottom housing and corresponding to FIG. 4A;

FIG. 5A is a schematic diagram of the upper body of the printer sliding backward and flipping upward relative to the lower body according to an embodiment of the present disclosure;

FIG. 5B is a schematic view of the printer according to the embodiment of the present application, with the lower housing omitted, corresponding to FIG. 5A;

FIG. 6 depicts a schematic view of a glide slot;

FIG. 7 is a schematic diagram illustrating the position change of the light shielding portion relative to the photoelectric switch portion when the upper body slides backward relative to the lower body;

FIG. 8 is a diagram showing the electrical connection between the control mechanism and the detection mechanism and between the control mechanism and the printing mechanism.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

In the figures, for convenience of explanation, the X direction is the direction from the back to the front of the printer, the Y direction is the direction from the left to the right of the printer, and the Z direction is the direction from the bottom to the top of the printer, in combination with fig. 1 and 2. In one embodiment, a printer of the present application includes: the paper feeding device comprises an upper machine body 1 and a lower machine body 2, wherein a paper guide roller 3 is arranged on the upper side of the lower machine body 2, and a thermosensitive assembly 4 is arranged on the lower side of the upper machine body 1 corresponding to the position of the paper guide roller 3. The paper guide roller 3 and the thermosensitive assembly 4 are main components of a printing mechanism of the printer, a control circuit of the thermosensitive assembly 4 is positioned in an inner cavity of the upper machine body 1, and a driving mechanism of the paper guide roller 3 is positioned on the side part of the lower machine body 2, and the paper guide roller driving mechanism is a common gear transmission structure. The paper outlet of the printer is positioned at the front side, and a paper storage cavity and a paper outlet channel of the roll paper are arranged between the upper machine body 1 and the lower machine body 2.

Referring to fig. 2 and 3, the rear side of the upper body 1 is connected to the lower body 2 through a hinge mechanism 8. Referring to fig. 4A to 5B, the upper body 1 can slide backward relative to the lower body 2 first and then flip upward (first active state) to form the state shown in fig. 2, and it is easy to understand that correspondingly, the upper body 1 can flip downward relative to the lower body 2 first and then slide forward (second active state) correspondingly to change from the state of fig. 2 to the state of fig. 1. The matching relationship of the hinge mechanism 8 with the upper body 1 and the lower body 2 will be further described below. The lower body 2 has a lower case 2A and a lower chassis 2B.

Referring to fig. 3, the lower body 2 has a pair of first receiving grooves S1 disposed at the rear side and opposite to each other, and a sliding groove S3 extending forward and backward is formed on a groove wall of each first receiving groove S1. The hinge mechanism 8 includes: a pair of hinge arms 5 located at the rear side of the upper body 1 and disposed opposite to each other in the left-right direction, and a pair of pin joints 6. The pair of hinge arms 5 correspond to the pair of first receiving grooves S1 and the pair of pin connectors 6, respectively. Each hinge arm 5 is received in the corresponding first receiving groove S1 and is slidably engaged with the sliding groove S3 through the corresponding pin joint 6. Each hinge arm 5 has an L-shaped structure, an upper end thereof is connected to the upper body 1, and a right end thereof is slidably fitted to the sliding groove S3 through a pin joint 6. The portions of the groove wall of each first receiving groove S1 located on the upper side and the lower side of the sliding groove S3 are respectively provided with an auxiliary groove S5 extending forward and backward, and the portion M of the groove wall of each first receiving groove S1 located between the first receiving groove S1 and the auxiliary groove S5 can be elastically deformed by the force of the pin 6. Referring to fig. 6, each of the slide grooves S3 has a dimension in the front-rear direction at the middle portion S31 smaller than the dimensions at the front portion S32 and the rear portion S33, and the pin connector 6 has a radial dimension larger than the dimension at the middle portion and smaller than the dimensions at the front portion and the rear portion.

In the present embodiment, the lower body 2 has a pair of hook grooves S2 located on the front side and facing left and right, and the upper body 1 has a pair of hook portions 7 located on the front side and facing left and right. The pair of hook grooves S2 and the pair of hook portions 7 correspond to each other, and in conjunction with fig. 4B and 5B, the pair of hook portions 7 are disengaged from the pair of hook grooves S2 when the upper body 1 slides backward by a predetermined distance with respect to the lower body 2 and further turns over.

In this embodiment, with reference to fig. 3, the printer further includes a detection switch 9, and the detection switch 9 includes: a photoelectric switch part 9A on the upper body 1 and a light shielding part 9B correspondingly on the lower body 2. The upper body 1 has a fourth receiving cavity S4 for receiving the photoelectric switch portion 9A, and the light shielding portion 9B can extend into the receiving cavity S4. Referring to fig. 7 and 8, when the upper body 1 is switched between the first active state and the second active state relative to the lower body 2, the light shielding portion 9B slides into or separates from the light gap of the photoelectric switch portion 9A, and the photoelectric switch portion 9A can generate a sensing signal. When the photoelectric switch 9A generates the sensing signal, the control mechanism of the printer controls the operating state of the printing mechanism based on the sensing signal. It is to be understood that the detection switch applicable to the present application is not limited to the above-described embodiments, and other common position detection switches, such as a capacitance switch, a hall sensor, and the like, may be applied to the present application.

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. A printer comprises an upper body (1), a lower body (2) and a printing mechanism; a paper storage cavity and a paper outlet channel are arranged between the upper machine body (1) and the lower machine body (2); the device is characterized in that the rear side of the upper machine body (1) is connected to the lower machine body (2) through a hinge mechanism (8) in a manner of being capable of being turned over up and down, and the hinge mechanism (8) can slide back and forth relative to the lower machine body (2); the upper machine body (1) can be switched between a first active state and a second active state relative to the lower machine body (2), wherein the first active state is that the upper machine body (1) slides backwards firstly and then turns upwards, and the second active state is that the upper machine body (1) turns downwards firstly and then slides forwards; the printer further includes: a detection switch (9) which can be triggered to generate a sensing signal when the upper body (1) is switched between a first active state and a second active state, and a control mechanism which controls the working state of the printing mechanism according to the sensing signal.

2. Printer according to claim 1, characterised in that said detection switch (9) comprises: a photoelectric switch part (9A) positioned on the upper body (1) or the lower body (2), and a light shielding part (9B) correspondingly positioned on the lower body (2) or the upper body (1).

3. The printer according to claim 2, wherein the upper body (1) or the lower body (2) has a fourth receiving groove (S4) for receiving the electro-optical switch portion (9A), and the light shielding portion (9B) extends into the receiving groove (S4).

4. The printer according to claim 1, wherein the lower body (2) has a pair of hook grooves (S2) on the front side and disposed opposite to each other in the left-right direction, and the upper body (1) has a pair of hook portions (7) on the front side and disposed opposite to each other in the left-right direction; the pair of hook grooves (S2) and the pair of hook parts (7) correspond to each other, and the pair of hook parts (7) are separated from the pair of hook grooves (S2) when the upper machine body (1) slides backwards by a preset distance relative to the lower machine body (2) and is further turned over.

5. The printer according to claim 1, wherein the lower body (2) has a pair of first receiving grooves (S1) located at a rear side and disposed opposite to each other, and a sliding groove (S3) extending forward and backward is formed on a groove wall of each of the first receiving grooves (S1); the hinge mechanism (8) includes: a pair of hinged arms (5) which are positioned at the rear side of the upper machine body (1) and are oppositely arranged at the left and the right, and a pair of pin connectors (6); the pair of hinge arms (5) correspond to the pair of first receiving grooves (S1) and the pair of pin connectors (6), respectively; each hinge arm (5) is accommodated in the corresponding first accommodation groove (S1) and is in sliding fit with the sliding groove (S3) through the corresponding pin joint (6).

6. The printer according to claim 5, characterized in that each of said articulated arms (5) is of L-shaped configuration, connected at its upper end to said upper body (1) and at its right end in sliding engagement with said sliding slot (S3) through said pin joint (6).

7. The printer of claim 5, wherein the portions of the walls of the first receiving grooves (S1) located at the upper side and the lower side of the sliding groove (S3) are respectively provided with auxiliary grooves (S5) extending forward and backward, and the portion (M) of the wall of the first receiving groove (S1) located between the first receiving groove (S1) and the auxiliary groove (S5) is elastically deformable by the force of the pin (6).

8. The printer according to claim 5 or 7, wherein each of said slide grooves (S3) has a dimension in a front-rear direction at a middle portion (S31) smaller than a dimension at a front portion (S32) and a rear portion (S33), and said pin member (6) has a radial dimension larger than the dimension at the middle portion and smaller than the dimensions at the front portion and the rear portion.