CN211843742U

CN211843742U - Compact type cover opening and closing printer

Info

Publication number: CN211843742U
Application number: CN201921654026.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xiamen Hanyin Electronic Technology Co Ltd
Current assignee: Xiamen Hanyin Electronic Technology Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-11-03
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a compact type cover opening and closing printer, which comprises an upper shell, a lower shell, a thermal head and a paper pressing roller, wherein the thermal head and the paper pressing roller are separately arranged on the upper shell and the lower shell in a relative configuration way; the locking structure is characterized by further comprising a control part arranged on the front end face of the lower shell and a locking structure which is driven by the control part to unlock the control part in a rotating mode.

Description

Compact type cover opening and closing printer

Technical Field

The utility model relates to a portable printer technical field, concretely relates to compact cover printer that opens and shuts.

Background

In the bill printer, beat printer paper dress in the built-in, beat printer paper dress paper, need open the cover when trading operations such as paper, consequently, need design mechanism of uncapping, the mechanism of uncapping of current bill printer generally constitutes with more complicated structure, has caused the bill printer structure complicacy, manufacturing cost height, occupation space big scheduling problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the above-mentioned prior art not enough and provide a convenient, simple structure and compact printer uncaps.

The utility model is realized by the upper shell, the lower shell, the thermal head and the paper pressing roller which are separately arranged on the upper shell and the lower shell in a relative configuration way, the front ends of the upper shell and the lower shell are connected through a buckling structure, the rear ends of the upper shell and the lower shell are connected through a hinge structure, the buckling structure is unlocked through the control part main body, and the control part main body is arranged on the front side of the axis of the paper pressing roller; the locking structure is characterized by further comprising a control part arranged on the front end face of the lower shell and a locking structure which is driven by the control part to unlock the control part main body in a rotating mode.

Preferably, the buckling structure comprises a buckling part and a limiting part, and the buckling part and the limiting part are located on the rear side of the axis of the paper pressing roller and are unlocked by the control part main body.

Preferably, a stress plate is arranged on the control member main body, the upper end of the stress plate bears the driving force of the control portion, a rotating shaft is arranged at the lower end of the stress plate, and the control member main body rotates around the rotating shaft to unlock the buckling structure.

Preferably, the main body of the control member is located below the platen roller, and two ends of the main body of the control member extend upward in an inclined manner to form a control arm for unlocking the locking structure, and the axis of the platen roller is located between the main body of the control member and the end of the control arm.

Preferably, the control member main body is approximately crank-shaped, and the control member main body is provided with an elastic resetting member for resetting the control member main body.

Preferably, the buckling structure comprises a buckling arm provided with the buckling part and a limiting cavity provided with the limiting part, and the buckling arm is provided with an elastic part so as to buckle the buckling structure.

Preferably, the buckling arm extends upwards in an inclined manner to the lower shell to be matched with the limiting cavity.

Preferably, the buckling arms are arranged on two sides of the front end face of the lower shell, and the elastic piece is a torsion spring.

Preferably, the control device further comprises a button, the control part is arranged on the button, and the button drives the control part main body to rotate in a rotating mode.

Preferably, a button rotating shaft is arranged at the lower end of the button, and the button swings around the button rotating shaft to drive the control piece main body to rotate so as to unlock the buckling structure.

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

1. The utility model provides a pair of printer, control dispose under on the lid, and be located the downside of pressing the paper roller bearing, it can support with stall under on the lid when control corotation. The control piece is arranged on the lower side of the paper pressing roller, so that the stroke of the control piece and the button in the front-back direction can be reduced, and the installation error of the button and the control piece can be reduced, thereby solving the problem that the button is sluggish or stuck in the moving process in the prior art.

2. The utility model provides a pair of printer, button support under with the rotatable mode of relative lid through a slewing mechanism on the lid down, for the gliding mode of current button, the requirement of sliding fit's high accuracy has been avoided to the lid pivoted button down relatively of this application, promptly, has further solved among the prior art button activity in-process and has had the problem of hesitation or card death.

Drawings

Fig. 1 depicts a schematic diagram of the structure of the printer according to the present invention.

Fig. 2 is a schematic structural diagram illustrating the relative positions of the control member and the lower cover of the printer according to the present invention.

Fig. 3 is a schematic structural diagram of the control member main body, the button and the lower cover of the printer according to the present invention.

Fig. 4 is a schematic diagram showing the structure of the control member of the printer according to the present invention.

Fig. 5 is a schematic structural diagram of a control member according to another embodiment of the present invention.

Reference symbols of the drawings

1-upper cover body, 11-limit cavity, 12-limit part, 13-printing head, 14-guide part, 2-lower cover body, 21-platen roller, 22-second limit part, 23-support part, 3-buckling structure, 4-control part, 41-buckling arm, 411-buckling part, 42-control part main body, 421-control arm, 422-stress plate, 5-button, 51-control part, 52-first limit part, 53-button rotating shaft, 6-elastic reset component, 61-elastic reset component and 62-elastic component.

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 description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "upper end", "lower end", "upper section", "lower section", "upper side", "lower side", "middle", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, the present embodiment provides a printer, which includes an upper cover 1 and a lower cover 2, wherein the upper cover 1 is configured with a print head 13, and the lower cover 2 is configured with a platen roller 21. The rear sides of the upper cover body 1 and the lower cover body 2 are hinged, and the upper cover body 1 correspondingly opens and closes the paper storage cavity and the paper outlet channel through upward and downward hinged movement relative to the lower cover body 2. The front sides of the upper cover body 1 and the lower cover body 2 are detachably connected through a buckling structure 3. Referring to fig. 4, the locking structure 3 includes a pair of limiting cavities 11, a control member 4, a button 5 and an elastic restoring member 6. The pair of limiting cavities 11 are arranged on the upper cover body 1 and provided with openings facing the lower cover body 2, the pair of limiting cavities 11 are positioned on the left side and the right side of the paper outlet channel, and a limiting part 12 is arranged in each limiting cavity 11. A control member 4 having a control member main body 42 and a pair of engaging arms 41, the control member main body 42 being rotatably disposed on the lower cover 2 and disposed below the platen roller 21. One engaging arm 41 is disposed at the left end of the control member body 42, and the other engaging arm 41 is disposed at the right end of the control member body 42. The two buckling arms 41 correspond to a limiting cavity 11 respectively, and each buckling arm 41 can pass through the opening and be clamped in the corresponding limiting part 12 so as to realize cover closing and fix the upper cover body 1. Each engaging arm 41 is engaged with the stopper portion 12 when the control member main body 42 rotates forward, and disengaged from the stopper portion 12 when the control member main body 42 rotates backward. The push button 5 is disposed on the lower cover 2 so as to be movable relative to the lower cover 2, and the push button 5 is movable by an external force to push the control main body 42 to rotate in the reverse direction and to be reset by a pushing force when the control main body 42 rotates in the normal direction. The elastic reset assembly 6 is disposed between the control member 4 and the lower cover 2, and can apply a force to the control member 4, so that the control member 4 pushes the button 5 to reset.

The controller body 42 is located on the front side of the axis of the platen roller 21 and the engaging structure 3 is located on the rear side of the axis of the platen roller 21 in the front-rear direction. The control member body 42 assumes a multi-stage crank structure in its lengthwise direction.

In conjunction with the above, referring to fig. 2, it can be seen that the control member 4 of the present application is disposed on the lower cover 2 and located below the platen roller 21, and specifically, the control member 4 can be supported on the lower cover 2 to stop rotating when rotating in the forward direction. The control member 4 is arranged at the lower side of the paper pressing roller 21, so that the stroke of the control member 4 and the button 5 in the front-back direction can be reduced, the installation error of the button 5 and the control member 4 can be reduced, and the problem that the button 5 is sluggish or stuck in the moving process in the prior art can be solved.

In an embodiment of the present invention, referring to fig. 3, the button 5 is supported on the lower cover 2 in a rotatable manner relative to the lower cover 2 through a rotating mechanism. The rotating mechanism includes a pair of support portions 23 and a pair of button rotating shafts 53. The support portion 23 has a rotation groove in which the button rotation shaft 53 is rotatably supported. The two button shafts 53 are respectively disposed at the lower end portions of the end surfaces of the left and right sides of the button 5, one button shaft 53 extends leftward, and the other button shaft 53 extends rightward. For current button 5's gliding mode, the lid 2 pivoted button 5 has avoided the requirement of sliding fit's high accuracy down relatively of this application, promptly, has further solved among the prior art button 5 activity in-process and has had the problem of hesitation or card death.

The push button 5 has a first restriction portion 52 on the outer periphery thereof, and the first restriction portion 52 can abut on the lower cover 2 to restrict the push button 5 from continuing to rotate forward. Preferably, there is a second limiting portion 22 on the lower cover 2 that fits the first limiting portion 52, i.e. the second limiting portion 22 is at least able to prevent the left and right sides of the push button 5 from tilting too much when the push button 5 is reset, resulting in too much force being applied to the support 23.

Referring to fig. 3 and 4, the control member body 42 has a force-bearing plate 422 formed by a plane, the button 5 has a control portion 51 capable of sliding relative to the force-bearing portion, when the button 5 is rotated by an external force, the force-bearing plate 422 slides relative to the control portion 51, and the control member body 42 rotates during the sliding of the control portion 51 relative to the force-bearing plate 422. When the control member main body 42 rotates under the restoring force of the elastic restoring assembly 6, the control part 51 rotates relative to the force bearing plate 422, and the button 5 rotates during the sliding process of the force bearing plate 422 relative to the control part 51, so as to realize the restoration.

In an embodiment of the present invention, referring to fig. 2 and 4, the elastic restoring assembly 6 includes an elastic restoring member 61 disposed between the control member main body 42 and the lower cover 2, and an elastic member 62 disposed between the fastening arm 41 and the lower cover 2. The engaging arm 41 can rotate forward by the restoring force of the elastic member 62. It is understood that in other embodiments, the latch arms 41 can be reversed under the restoring force of the elastic member 62. The elastic restoring element 61 and the elastic element 62 of the present embodiment are torsion springs, and the torsion springs are supported on the lower cover 2 in a manner of being rotatable relative to the shaft pins on the lower cover 2. It will be appreciated that in other cases it could be another type of spring such as a tension spring.

In an embodiment of the present invention, with reference to fig. 1 to 4, the fastening arm 41 has a fastening portion 411, the limiting portion 12 has a guiding portion 14 (the guiding portion 14 is a structure of a surface), and the fastening portion 411 can slide under the guidance of the guiding portion 14, so that the fastening arm 41 slides into or slides out of the limiting cavity 11 under the pushing of the elastic member 62 of the control member main body 42. The elastic restoring member 61 can push the control member main body 42 forward without the push button 5 receiving an external force.

In an embodiment of the present invention, referring to fig. 2 and 4, each of the locking arms 41 is rotatably supported on the lower cover 2, and the control member main body 42 is formed with a control arm 421 capable of pushing the locking arm 41 to rotate at both ends along the left and right directions. The control arm 421 is slidably engaged with the engaging arm 41, and one of the control arm 421 and the engaging arm 41 can slide relative to the other during rotation and push the other to rotate during the sliding. In this embodiment, the control arm 421 is located at the front side of the engaging arm 41 along the front-back direction, and the engaging portion 411 extends toward the rear side, that is, when the control member main body 42 rotates reversely, the engaging arm 41 is pushed to rotate forward (i.e., the engaging portion 411 moves toward the front side), and the engaging arm 41 is disengaged from the engaging relationship with the limiting portion 12.

In other embodiments, the following can be the case: the control arm 421 is located behind the latch arm 41 in the front-rear direction, that is, when the control member body 42 is reversed, the latch arm 41 is pushed to be reversed, and the latch arm 41 is released from the engagement with the stopper. The extending direction of the portion of the engaging arm 41 for engaging with the stopper portion is adaptable to the change in the rotating direction. In other embodiments, the engaging arm 41 can be connected to the control arm 421 in a manner of being able to rotate relative to the control arm 421, the control arm 421 can pull or push the engaging arm 41 to rotate when rotating, and in this process, the control arm 421 and the engaging arm 41 rotate relative to each other, and the connection manner can be a shaft pin and a pin hole, or a manner of being engaged with each other.

In an embodiment of the present invention, referring to fig. 5, the fastening arm 41 and the control body 42 of the control member 4 can be integrally formed, and at this time, the fastening portion 411 extends toward the front side. When the control member main body 42 is rotated reversely, the engaging arm 41 is rotated reversely (i.e., the engaging portion 411 moves in the rear direction), and the engaging arm 41 is disengaged from the engaging relationship with the stopper portion 12.

Preferably, when the control member main body 42 rotates forward, it is supported by the push button 5, and supported by the second regulating portion 22 of the lower cover 2 via the first regulating portion 52 of the push button 5, and finally stops rotating under the regulation of the second regulating portion 22. In this way, when the upper cover 1 and the lower cover 2 are closed, the button 5 can abut against the control member main body 42, and no force or stroke is wasted when the force is applied to the button 5. It will be appreciated that in other embodiments, the control member body 42 is rotated forward by abutting directly against the lower cover 2 and stopping its rotation.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 compact type cover opening and closing printer comprises an upper shell, a lower shell, a thermal head and a paper pressing roller, wherein the thermal head and the paper pressing roller are oppositely arranged and are separately positioned on the upper shell and the lower shell; the locking structure is characterized by further comprising a control part arranged on the front end face of the lower shell and a locking structure which is driven by the control part to unlock the control part in a rotating mode.

2. The compact cover opening and closing printer according to claim 1, wherein said engaging structure includes an engaging portion and a stopper portion which are located on the rear side of the axis of said platen roller and are unlocked by said control member.

3. The compact lid printer of claim 1, wherein the control member has a force plate, an upper end of the force plate receives the driving force of the control portion, a lower end of the force plate has a rotation shaft, and the control member rotates around the rotation shaft to unlock the locking structure.

4. The compact cover opening and closing printer according to claim 1, wherein said control member body is located below said platen roller and both ends of the control member body extend obliquely upward to form a control arm for unlocking said locking structure, and an axis of said platen roller is located between said control member body and an end of said control arm.

5. The compact lid printer of claim 4, wherein said control member body is substantially crank-shaped and said control member is provided with a resilient return member for returning said control member.

6. The compact lid printer of claim 2, wherein the latching mechanism comprises a latching arm having the latching portion and a limiting cavity having the limiting portion, the latching arm having a resilient member to latch the latching mechanism.

7. The compact lid printer of claim 6, wherein said latch arm extends obliquely upward from said lower housing to engage said retaining cavity.

8. The compact lid opening and closing printer according to claim 7, wherein the engaging arms are disposed on two sides of the front end surface of the lower housing, and the elastic member is a torsion spring.

9. The compact lid printer of claim 1, further comprising a button, wherein the control portion is disposed on the button, and wherein the button rotationally drives the control member to rotate.

10. The compact lid printer of claim 9, wherein a lower end of the button is provided with a button pivot about which the button pivots to actuate the control member to rotate to unlock the snap structure.