CN113752706B - Support structure of thermal printing head - Google Patents
Support structure of thermal printing head Download PDFInfo
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- CN113752706B CN113752706B CN202111193394.3A CN202111193394A CN113752706B CN 113752706 B CN113752706 B CN 113752706B CN 202111193394 A CN202111193394 A CN 202111193394A CN 113752706 B CN113752706 B CN 113752706B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J25/00—Actions or mechanisms not otherwise provided for
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Abstract
The utility model relates to a thermal printer head supporting structure relates to thermal printer's technical field, and it includes frame, rubber roll, elasticity locating part and temperature sensing subassembly, and the rubber roll is all installed in the frame with the temperature sensing subassembly, and rubber roll and temperature sensing subassembly closely laminate to make temperature sensing subassembly and rubber roll cooperation can press from both sides tight paper and print work, the elasticity locating part is installed in one of them of frame and is served, and the elasticity locating part is used for preventing that the rubber roll accident from breaking away from the frame. This application has the effect that can prevent the rubber roll and drop.
Description
Technical Field
The application relates to the technical field of thermal printers, in particular to a thermal printer head support structure.
Background
The thermal printer core is composed of a row of heating elements, the elements all have the same resistance, the elements are arranged densely and are varied from 200dpi to 600dpi, the elements can generate high temperature quickly when passing a certain current, when a medium coating meets the elements, the temperature is increased in a very short time, and the medium coating can generate chemical reaction to show color.
The chinese patent with reference to the publication No. CN213649140U in the related art discloses a thermal printer with a printing head mounting structure, which includes a printing head mounting structure, a rubber roller, a motor and a gear set, wherein the rubber roller can be rotatably disposed on a connecting portion through a rubber roller shaft and has an input gear, the rubber roller is close to the front of the printing head assembly, the motor is disposed on an installation portion of a bracket, the gear set is disposed outside the installation portion of the frame and has a power input end in meshing transmission with an output gear of the motor, and a power output end in meshing transmission with the input gear.
In view of the above-mentioned related technologies, the inventor believes that the main body of the thermal printer is a printing head bracket (i.e., a combination of a printing head mounting structure and a rubber roller), the rubber roller needs to be rotatably mounted on a frame, specifically, both ends of the frame are connected with the frame through first grooves formed in both ends of the frame, and the connection stability between the rubber roller and the frame is poor, so that the rubber roller is easy to fall off during assembly, and therefore, the improvement is needed.
Disclosure of Invention
In order to improve the poor problem of connection stability between rubber roll and the frame, this application provides a thermal printing head supporting structure, adopts following technical scheme.
A thermal printhead support structure comprising:
the mounting part is provided with two channels, the two mounting parts are respectively arranged at two ends of the connecting part, and grooves are formed in the two mounting parts;
the rubber roll comprises a shaft lever and a rubber sleeve sleeved on the shaft lever, two ends of the shaft lever are respectively connected with two ends of the rack through two grooves, and the rubber sleeve is positioned between two mounting parts;
the elastic limiting piece comprises a positioning part and an intercepting part which are integrally formed, wherein one end of the intercepting part is formed by bending one end of the positioning part, one mounting part is arranged at one end of the intercepting part, which is far away from the positioning part, and one end of the intercepting part, which is far away from the positioning part, extends towards the opening side of the groove;
when the rubber roller and the elastic limiting piece are arranged on the frame, the intercepting part is abutted to the outer wall of the shaft rod.
Through adopting above-mentioned technical scheme, during this thermal printhead supporting structure of equipment, at first install the elastic component in the frame, make elasticity locating part be located one of them installation department, this moment, location portion and installation department fixed connection, interception portion extends to the opening part that sets up in the recess of installation department, when needs install in the rubber roll, only need make the both ends of axostylus axostyle extend respectively in the twice recess, and make interception portion and axostylus axostyle be close to open-ended position butt of recess, thereby make interception portion can restrict the axostylus axostyle and break away from the recess, effectively ensure the installation stability of rubber roll.
Optionally:
the elastic positioning part is formed by bending a metal rod and comprises a fixed rod, a curved elastic rod and a movable rod;
the positioning part is arranged in a U-shaped manner, the fixed rod and the movable rod are respectively connected with two ends of the curved elastic rod, and the intercepting part is formed by bending one end of the movable rod, which is far away from the curved elastic rod;
wherein, when the locating part is installed in the frame, the dead lever is fixed with the installation department, just dead lever, curved shape elastic rod and movable rod all laminate with the installation department.
Through adopting above-mentioned technical scheme, when elasticity location portion installed on the installation department, the dead lever was fixed with the installation department, and at this moment, when the interception portion received the extrusion, utilize the cooperation between curved shape elastic rod and the movable rod for the interception portion can be towards the direction skew near the dead lever, thereby makes the interception portion can let out the opening of recess, and the tip of the rubber roll of being convenient for is installed in the recess.
Optionally, the frame is provided with:
the positioning groove comprises a first groove body, a second groove body and a third groove body;
the first tank body, the second tank body and the third tank body are sequentially communicated, and the third tank body is also communicated with the groove;
wherein, when elasticity location portion installs in the frame, dead lever, curved shape elastic rod and movable rod are located first cell body, second cell body and third cell body respectively.
Through adopting above-mentioned technical scheme, the constant head tank that utilizes first cell body, second cell body and third cell body to constitute can play the effect of location installation, and the elastic locating element of being convenient for installs in the installation department to when making the elastic locating element install in the installation department, the elastic locating element can not take place to interfere with the gear train that is used for driving the rubber roll work.
Optionally:
the cross section of the first groove body is circular, an opening which is connected with the surface of the rack is formed in the first groove body, and the inner diameter of the first groove body is larger than the width of the opening;
the cross section of the fixing rod is in a runway shape, the diameter of the fixing rod is the same as the inner diameter of the first groove body, the thickness of the fixing rod is the same as the width of the opening, and the thickness direction of the fixing rod is perpendicular to the plane of the elastic limiting part.
Through adopting above-mentioned technical scheme, set the runway form to through the cross section with the dead lever for during installation elastic positioning element, at first elastic positioning element place plane is perpendicular with constant head tank place plane, then wears to establish into first cell body with the dead lever through the opening that sets up in first cell body in, rotates the elastic locating part at last, makes the dead lever can with the opening joint on the first cell body.
Optionally:
the width of one side, communicated with the groove, of the third groove body is larger than that of one side, communicated with the second groove body, of the third groove body, and the third groove body is in a trapezoidal shape.
Through adopting above-mentioned technical scheme, through being trapezoidal shape setting with the third cell body for the tip that curved shape elastic rod was kept away from to the movable rod has more activity space, and the movable rod of being convenient for drives the opening that the interception portion left off the recess.
Optionally, the frame is further provided with:
the limiting plate is arranged on the opening side of the third groove body, the limiting plate is positioned at one end, far away from the second groove body, of the third groove body, and the limiting plate is positioned on one side, close to the groove, of the third groove body;
when the elastic limiting piece is installed in the positioning groove and the movable rod naturally expands, the movable rod is located in the coverage range of the limiting plate.
Through adopting above-mentioned technical scheme, utilize the limiting plate to play the effect of restriction movable rod for the movable rod can not use the axis of dead lever as the centre of a circle to rotate, ensures installing on the installation department that elasticity locating part can be stable.
Optionally:
the intercepting part comprises an inclined rod and a flat rod;
the flat rod is formed by bending one end of the inclined rod, which is far away from the curved elastic rod, the other end of the inclined rod is obliquely arranged towards the direction far away from the fixed rod, and one end of the flat rod, which is far away from the fixed rod, is connected with one end of the inclined rod, which is far away from the movable rod;
one end of the flat rod connected with the inclined rod extends to the opening of the groove, and one end of the flat rod far away from the inclined rod is abutted to the side edge of the rack.
Through adopting above-mentioned technical scheme, the one end that the movable rod was kept away from to the tilting bar extends to the opening part of recess, can play good interception for difficult emergence breaks away from between rubber roll and the recess, utilizes the flat bar can play the guard action, and when making staff's installation elasticity locating part, staff's finger is difficult to be stabbed.
Optionally:
the printing head assembly is characterized by further comprising a printing head assembly, wherein two ends of the printing head assembly are connected with the two mounting parts in a sliding mode respectively, and a plurality of springs are arranged between the printing head assembly and the rack;
the positioning part is located on one side, close to the connecting part, of the installation part, the intercepting part is located on one side, far away from the connecting part, of the installation part, and when the printing head assembly moves towards the direction of the connecting part, one end of the printing head assembly is connected with one end, far away from the inclined rod, of the flat rod.
Through adopting above-mentioned technical scheme, when the staff need dismantle the rubber roll, can be through pressing print head subassembly for print head subassembly can move towards the direction that is close to connecting portion, and print head subassembly when moving towards the direction that is close to connecting portion, the position that print head subassembly and flat bar are connected can drive the flat bar and move towards the direction that is close to the dead lever, thereby makes the rake can let out the opening of recess, and the rubber roll of being convenient for withdraws from.
Optionally:
the one end that the slope pole was kept away from to the flat bar is provided with colluding portion, the one end that the printhead assembly is close to the elasticity locating part wears to establish colluding portion, makes the printhead assembly receive the extrusion through colluding portion when removing towards connecting portion place direction, and the tip of printhead assembly can be connected with the flat bar.
Through adopting above-mentioned technical scheme, one end through keeping away from the slope pole at the flat bar sets up colludes the portion for the one end that the installation department was worn to establish by the printer head subassembly can with collude the cooperation of portion, thereby when making the direction that the printer head subassembly orientation is close to connecting portion remove, the direction that the flat bar orientation of drive that the printer head subassembly can smell is close to the dead lever removes.
In summary, the present application includes at least one of the following beneficial technical effects:
when the rubber roller is arranged on the frame, the elastic limiting piece can be used for limiting the rubber roller to be separated from the frame, so that the safe use of the rubber roller is ensured;
when the rubber roller needs to be disassembled, the limiting effect on the rubber roller can be removed only by pressing the printing head component, so that the rubber roller is convenient to replace;
the rubber roller has certain movable adjusting capacity and can be tightly attached to the printing head assembly.
Drawings
Fig. 1 is a front view of a thermal head support structure according to an embodiment of the present application;
FIG. 2 is a front view of a housing of an embodiment of the present application;
FIG. 3 is a front view of an elastic limiting member according to an embodiment of the present application;
FIG. 4 is an enlarged partial view of A of FIG. 2;
fig. 5 is a schematic view illustrating a usage status of an elastic limiting element according to an embodiment of the present application.
Reference numerals are as follows: 1. a frame; 11. a connecting portion; 12. an installation part; 121. a groove; 122. an adjustment groove; 13. positioning a groove; 131. a first tank body; 132. a second tank body; 133. a third tank body; 14. a limiting plate; 15. a yielding groove; 2. a rubber roller; 21. a shaft lever; 22. a rubber sleeve; 3. an elastic limiting part; 31. a positioning part; 311. fixing the rod; 312. a curved resilient bar; 313. a movable rod; 32. an intercepting part; 321. an inclined lever; 322. leveling a rod; 33. a hook part; 4. a printhead assembly; 5. a spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a thermal printing head supporting structure. Referring to fig. 1, the thermal printhead support structure includes a frame 1, a rubber roller 2, an elastic limiting member 3 and a printhead assembly 4, the rubber roller 2 and the printhead assembly 4 are both mounted on the frame 1, and the rubber roller 2 and the printhead assembly 4 are tightly attached to each other, so that the printhead assembly 4 and the rubber roller 2 are matched to clamp paper and perform printing, the elastic limiting member 3 is mounted on one end of the frame 1, and the elastic limiting member 3 is used for preventing the rubber roller 2 from accidentally separating from the frame 1.
Referring to fig. 1 and 2, the frame 1 includes a connecting portion 11 and mounting portions 12, the mounting portions 12 are provided two times, the connecting portion 11 is provided between the two mounting portions 12, and two ends of the connecting portion are respectively connected to the two mounting portions 12; wherein, a groove 121 is arranged on one side of the mounting part 12 far away from the connecting part 11, the groove 121 is communicated with the edge of the mounting part 12, the position where the groove 121 is communicated with the edge of the mounting part 12 is an opening of the groove 121, and when the rubber roller 2 is mounted on the frame 1, the end part of the rubber roller 2 is mounted in the groove 121 through the opening of the groove 121. An adjusting groove 122 is further provided on the mounting portion 12, the adjusting groove 122 is located on one side of the groove 121 close to the connecting portion 11, and an end portion of the print head assembly 4 is movably connected to the frame 1 by passing through the adjusting groove 122, so that the print head assembly 4 can move toward or away from the connecting portion 11 along a length direction of the adjusting groove 122.
Wherein, be provided with a plurality of springs 5 on connecting portion 11 is close to one side of beating print head assembly 4, each spring 5 arranges the setting along the length direction of connecting portion 11, and the both ends of each spring 5 are connected with connecting portion 11 and the one side that beats print head assembly 4 and set up downwards respectively, makes beating print head assembly 4 can move towards the direction of keeping away from connecting portion 11 through spring 5.
Referring to fig. 3, the elastic limiting member 3 is provided in one piece, and the elastic limiting member 3 is disposed on one of the mounting portions 12; the printing head is provided with a gear set and a motor which are used for driving the rubber roller 2 to rotate, and the motor and the gear set are both arranged on an installation part 12 provided with an elastic limiting part 3.
Referring to fig. 3, the elastic limiting member 3 includes a positioning portion 31, an intercepting portion 32, and a hook portion 33, and the positioning portion 31, the intercepting portion 32, and the hook portion 33 are continuously formed by bending a metal rod; wherein, location portion 31 is the setting of "U" font, and location portion 31 includes dead lever 311, curved elastic rod 312 and the movable rod 313 that sets gradually, and interception portion 32 is the setting of "V" font shape, and interception portion 32 includes slope pole 321 and flat pole 322 that set gradually. When the elastic limiting member 3 is mounted on the mounting portion 12, the positioning portion 31 is embedded in the mounting portion 12, a portion of the intercepting portion 32 located between the positioning portion 31 and the hook portion 33 extends to an opening of the groove 121, and the hook portion 33 is connected to a portion of the print head assembly 4 extending out of the mounting portion 12.
Referring to fig. 4, a positioning groove 13 is provided on the mounting portion 12 where the elastic limiting member 3 is mounted, the positioning groove 13 includes a first groove 131, a second groove 132 and a third groove 133 which are sequentially communicated, and one end of the third groove 133, which is far away from the mounting portion 12, is communicated with one side of the groove 121, which is close to the adjusting groove 122; when the elastic limiting member 3 is mounted on the mounting portion 12, the fixing rod 311 is located in the first slot 131, the curved elastic rod 312 is located in the second slot 132, and the movable rod 313 is located in the third slot 133.
Referring to fig. 3 and 4, the cross section of the first slot 131 is circular, one side of the first slot 131 is communicated with the surface of the mounting portion 12, the part of the first slot 131 communicated with the mounting portion 12 is an opening of the first slot 131, and the inner diameter of the first slot 131 is larger than the width of the opening; the cross section of the fixing rod 311 is in a racetrack shape, the diameter of the fixing rod 311 is the same as the inner diameter of the first slot body 131, the thickness of the fixing rod 311 is the same as the width of the opening, the thickness direction of the fixing rod 311 is perpendicular to the plane of the elastic limiting piece 3, when the elastic limiting piece 3 needs to be installed, the plane of the elastic limiting piece 3 is perpendicular to the surface of the installation part 12, the fixing rod 311 can penetrate through the opening of the first slot body 131 into the first slot body 131, then the fixing rod 311 rotates with the axis of the fixing rod 311 as the center of a circle, the curved elastic rod 312 can move into the second slot body 132, and the movable rod 313 can move into the third slot body 133.
The width of one side of the third groove body 133, which is communicated with the groove 121, is greater than the width of one side of the third groove body 133, which is communicated with the second groove body 132, the third groove body 133 is in a trapezoidal shape, a limiting plate 14 is arranged on one side of the third groove body 133, which is communicated with the surface of the mounting part 12, the limiting plate 14 is positioned at one end of the third groove body 133, which is far away from the second groove body 132, the limiting plate 14 is positioned at one side of the third groove body 133, which is close to the groove 121, and the distance between the position of the limiting plate 14, which is far away from the groove 121, and the side of the second groove body 132, which is far away from the groove 121, is slightly greater than the outer diameter of the movable rod 313; when the elastic limiting element 3 is naturally installed in the positioning groove 13, the covering range of the movable rod 313 and the limiting plate 14 in the third groove 133 has an overlapping position, so that the movable rod 313 is not easy to separate from the third groove 133, and one end of the movable rod 313, which is far away from the curved elastic rod 312, can move towards a direction close to the fixing rod 311, so as to drive the intercepting part 32 to leave the opening of the groove 121, and the rubber roller 2 can exit from the outside of the groove 121.
Referring to fig. 4, the mounting portion 12 provided with the elastic limiting member 3 is further provided with a yielding groove 15, the yielding groove 15 is communicated with one side of the groove 121 close to the adjusting groove 122, and the yielding groove 15 is communicated with the adjusting groove 122, so that a portion of the print head assembly 4 penetrating through the adjusting groove 122 can extend into the yielding groove 15; wherein, the end of the flat rod 322 far away from the inclined rod 321 and the hook 33 are both located in the receding groove 15.
Referring to fig. 5, one end of the inclined rod 321 close to the curved elastic rod 312 is connected to one end of the movable rod 313 far from the curved elastic rod 312, one end of the inclined rod 321 far from the curved elastic rod 312 is inclined towards a direction far from the fixed rod 311, one end of the inclined rod 321 far from the curved elastic rod 312 extends to an opening of the abdicating slot 15, one end of the flat rod 322 far from the fixed rod 311 is connected to one side of the inclined rod 321 extending to the opening of the groove 121, and the other end of the flat rod 322 extends into the abdicating slot 15; the hook 33 is connected to one end of the flat rod 322 extending into the receding slot 15, so that the hook 33 can hook the portion of the printhead assembly 4 extending into the receding slot 15.
When the rubber roller 2 is installed on the frame 1, one end of the inclined rod 321, which is far away from the fixing rod 311, is abutted to the outer wall of the rubber roller 2, and the abutted part of the inclined rod 321 and the rubber roller 2 is located at a position of the rubber roller 2, which is close to the opening of the groove 121, so that the inclined rod 321 can press the rubber roller 2 in the groove 121.
Referring to fig. 5, the rubber roller 2 includes a shaft rod 21 and a rubber sleeve 22 sleeved on the shaft rod 21, two ends of the shaft rod 21 are respectively connected with two ends of the frame 1 through two grooves 121, and the rubber sleeve 22 is located between two mounting portions 12; when the glue roller 2 is mounted on the frame 1, the outer wall of the shaft 21 abuts against the inclined rod 321, and when the shaft 21 is connected to a piece of gear constituting a gear train, the inclined rod 321 is located on the side of the gear (hidden in fig. 5) near the glue cover 22.
The implementation principle of the support structure of the thermal printing head in the embodiment of the application is as follows:
when the thermal printing head support structure is assembled, firstly, the spring 5 and the printing head assembly 4 are installed on the frame 1, then the elastic limiting piece 3 is installed on one end of the frame 1, and the printing head assembly 4 is connected with the hook part 33 of the elastic limiting piece 3, when the rubber roller 2 needs to be installed, firstly, one end of the rubber roller 2, which is far away from the elastic limiting piece 3, is connected with the installation part 12 which is not provided with the elastic limiting piece 3, then the printing head assembly 4 is pressed, the shielding part can be driven by the printing head assembly 4 to move into the yielding groove 15, then, one end of the rubber roller 2, which is close to the elastic limiting piece 3, is connected with the installation part 12 which is provided with the elastic limiting piece 3, and finally the printing head assembly 4 is released, at the moment, the printing head assembly 4 is reset under the action of the spring 5, so that the printing head assembly 4 can release the traction action on the shielding part, and the shielding part can be reset to block the opening of the groove 121, the effect of limiting the rubber roller 2 from exiting the groove 121 is achieved.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A thermal printhead support structure, comprising:
the rack (1) comprises a connecting part (11) and mounting parts (12), the mounting parts (12) are arranged twice, the two mounting parts (12) are respectively arranged at two ends of the connecting part (11), and grooves (121) are respectively arranged on the two mounting parts (12);
the rubber roll (2) comprises a shaft lever (21) and a rubber sleeve (22) sleeved on the shaft lever (21), two ends of the shaft lever (21) are respectively connected with two ends of the rack (1) through two grooves (121), and the rubber sleeve (22) is positioned between two mounting parts (12);
the printing head assembly (4), two ends of the printing head assembly (4) are respectively connected with two mounting parts (12) in a sliding manner, and a plurality of springs (5) are arranged between the printing head assembly (4) and the rack (1);
the elastic limiting piece (3) comprises a positioning portion (31) and an intercepting portion (32) which are integrally formed, the intercepting portion (32) is formed by bending one end of the positioning portion (31), one end, far away from the positioning portion (31), of the intercepting portion (32) is arranged on one of the installation portions (12), one end, far away from the positioning portion (31), of the intercepting portion (32) extends towards the opening side of the groove (121), and a hook portion is arranged at one end, far away from the positioning portion (31), of the intercepting portion (32);
the positioning part (31) is formed by bending a metal rod and comprises a fixed rod (311), a curved elastic rod (312) and a movable rod (313);
the positioning part (31) is arranged in a U shape, the fixed rod (311) and the movable rod (313) are respectively connected with two ends of the curved elastic rod (312), and the intercepting part (32) is formed by bending one end, far away from the curved elastic rod (312), of the movable rod (313);
wherein, when locating part (31) is installed in frame (1), dead lever (311) are fixed with installation department (12), just dead lever (311), curved elastic rod (312) and movable rod (313) all laminate with installation department (12), portion (33) are worn to establish and colluded in the one end that printhead assembly (4) are close to elasticity locating part (3), make printhead assembly (4) receive the extrusion through colluding portion (33) and when removing towards connecting portion (11) place direction, the tip of printhead assembly (4) can be connected with flat bar (322).
2. A thermal head carriage structure according to claim 1, characterized in that said frame (1) is provided with:
the positioning groove (13), the positioning groove (13) comprises a first groove body (131), a second groove body (132) and a third groove body (133);
the first trough body (131), the second trough body (132) and the third trough body (133) are sequentially communicated, and the third trough body (133) is also communicated with the groove (121);
when the positioning part (31) is installed on the rack (1), the fixed rod (311), the curved elastic rod (312) and the movable rod (313) are respectively located in the first groove body (131), the second groove body (132) and the third groove body (133).
3. A thermal head support structure according to claim 2, wherein:
the cross section of the first groove body (131) is circular, an opening which is connected with the surface of the rack (1) is formed in the first groove body (131), and the inner diameter of the first groove body (131) is larger than the width of the opening;
the cross section of the fixing rod (311) is in a runway shape, the diameter of the fixing rod (311) is the same as the inner diameter of the first groove body (131), the thickness of the fixing rod (311) is the same as the width of the opening, and the thickness direction of the fixing rod (311) is perpendicular to the plane of the elastic limiting piece (3).
4. A thermal head carriage structure according to claim 2, wherein:
the width of one side, communicated with the groove (121), of the third groove body (133) is larger than that of one side, communicated with the second groove body (132), of the third groove body (133), and the third groove body (133) is arranged in a trapezoid shape.
5. A thermal print head support structure according to claim 4, wherein the frame (1) is further provided with:
the limiting plate (14) is arranged on the opening side of the third groove body (133), the limiting plate (14) is positioned at one end, away from the second groove body (132), of the third groove body (133), and the limiting plate (14) is positioned on one side, close to the groove (121), of the third groove body (133);
when the elastic limiting piece (3) is installed in the positioning groove (13) and the movable rod (313) is naturally unfolded, the movable rod (313) is located in the coverage range of the limiting piece (14).
6. A thermal head carriage structure according to claim 1, wherein:
the intercepting part (32) comprises an inclined rod (321) and a flat rod (322);
the flat rod (322) is formed by bending one end of the inclined rod (321) far away from the curved elastic rod (312), the other end of the inclined rod (321) is obliquely arranged towards the direction far away from the fixed rod (311), and one end of the flat rod (322) far away from the fixed rod (311) is connected with one end of the inclined rod (321) far away from the movable rod (313);
wherein, the one end that flat bar (322) and slope pole (321) are connected extends to the opening part of recess (121), the one end that slope pole (321) were kept away from in flat bar (322) and the side butt of frame (1), collude portion (33) set up in flat bar (322) keep away from one of slope pole (321) and serve.
7. A thermal head carriage structure according to claim 6, wherein:
location portion (31) are located installation department (12) and are close to one side of connecting portion (11), interception portion (32) are located installation department (12) and keep away from one side of connecting portion (11), when printhead assembly (4) move towards connecting portion (11) place direction, printhead assembly (4) wherein one end is kept away from the one end of slope pole (321) with flat bar (322) and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111193394.3A CN113752706B (en) | 2021-10-13 | 2021-10-13 | Support structure of thermal printing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111193394.3A CN113752706B (en) | 2021-10-13 | 2021-10-13 | Support structure of thermal printing head |
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| Publication Number | Publication Date |
|---|---|
| CN113752706A CN113752706A (en) | 2021-12-07 |
| CN113752706B true CN113752706B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111193394.3A Active CN113752706B (en) | 2021-10-13 | 2021-10-13 | Support structure of thermal printing head |
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| CN (1) | CN113752706B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115179661B (en) * | 2022-07-21 | 2023-12-01 | 珠海柏印自动化设备有限公司 | Bill printer with high printing stability |
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| CN112297645A (en) * | 2020-11-24 | 2021-02-02 | 宁波精芯科技有限公司 | Thermal printer core |
| CN113147188A (en) * | 2021-04-16 | 2021-07-23 | 厦门捷昕智能技术有限公司 | Thermal printer core device |
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2021
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| WO2000032404A1 (en) * | 1998-12-02 | 2000-06-08 | Societe A.P.S. Engineering S.A.R.L. | Thermal printing device with fast closure |
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| CN212267038U (en) * | 2020-05-12 | 2021-01-01 | 上海广为美线电源电器有限公司 | Rubber roll mounting structure of printer |
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| CN113147188A (en) * | 2021-04-16 | 2021-07-23 | 厦门捷昕智能技术有限公司 | Thermal printer core device |
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| CN113752706A (en) | 2021-12-07 |
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