CN102431314A - Assembly structure for rack and rubber roll as well as thermal printer applying assembly structure - Google Patents
Assembly structure for rack and rubber roll as well as thermal printer applying assembly structure Download PDFInfo
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- CN102431314A CN102431314A CN2011102838128A CN201110283812A CN102431314A CN 102431314 A CN102431314 A CN 102431314A CN 2011102838128 A CN2011102838128 A CN 2011102838128A CN 201110283812 A CN201110283812 A CN 201110283812A CN 102431314 A CN102431314 A CN 102431314A
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- body frame
- rubber roll
- jump ring
- assembly structure
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Abstract
An assembly structure for a rack and a rubber roll comprises a primary rack and the rubber roll rotatably arranged on the primary rack, two bearings are arranged at both ends of the rubber roll, and the primary rack is provided with grooves in which the bearings are arranged. The assembly structure is characterized in that: snap springs enclosed by metal wires are arranged on the primary rack, each snap spring is provided with an elastic limit part which is projected out of the port of each groove, and the bearings are limited in the areas formed by the elastic limit parts and the grooves. The invention also discloses a thermal printer applying the assembly structure. Compared with the prior art, the assembly structure and the thermal printer have the advantages that: the whole body is simple and quick to assemble without special requirement on the grooves, the bearings almost cannot bounce under the action of the elastic limit parts, and thereby the normal stable operation of the rubber roll is guaranteed.
Description
Technical field
The present invention relates to a kind of frame of thermal printer and the assembly structure of rubber roll, the invention still further relates to and use the thermal printer that this assembly structure is arranged.
Background technology
One comprises existing thermal printer body frame, motor, driving gear component, print head assembly and can be located at the rubber roll on the body frame rotationally; The active output gear engagement of the power intake of driving gear component and motor; Clutch end and the rubber roll gears engaged of being located at the rubber roll end, rubber roll is used to drive printing paper and moves, and has paper feed channel between rubber roll and the print head assembly; The rubber roll two ends are provided with two bearings, have the groove that supplies bearing to be provided with on the body frame.Generally, groove is a semi-circular shape.The bearing matching requirements have been satisfied in such design basically: the first, and the duty lower bearing is positioned at groove all the time; During paper, can easily rubber roll be communicated with bearing and in groove, easily throw off on the needs.But exist following not enough: bearing play amplitude in groove is bigger, influences the normal operation of rubber roll.
For this reason, disclose a kind of improved structure in the prior art, referenced patent number is the Chinese utility model patent " miniature heating agent printer engine " (Granted publication number be CN2725292Y) of ZL200520130017.5; Set up open the door compressing tablet and return shell fragment in this patent, the pressure through the return shell fragment acts on the compressing tablet that opens the door, thereby guarantees that rubber roll stably is positioned at locating slot; During last paper; As long as operate the pulling part of the compressing tablet that opens the door, overcome the pressure of return shell fragment, rubber roll just breaks away from locating slot naturally.Simple to operate, and prepare the location, move smooth and easyly, but this structural entity structure is comparatively complicated, the compressing tablet that opens the door is unconventional parts, has improved technology difficulty and has increased manufacturing cost.
Summary of the invention
Technical problem to be solved by this invention is that frame and the rubber roll assembly structure that a kind of bearing can play in groove is provided to the above-mentioned state of the art in addition.
Another technical problem to be solved by this invention is to provide a kind of simple in structure, assembling to be easy to frame and rubber roll assembly structure to the above-mentioned state of the art.
Another technical problem to be solved by this invention is the thermal printer that the bearing that a kind of rubber roll is provided in addition to the above-mentioned state of the art can play in the groove of body frame.
Another technical problem to be solved by this invention is bearing and simple, the cheap thermal printer of body frame assembling that a kind of rubber roll is provided to the above-mentioned state of the art.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of frame and rubber roll assembly structure; Comprise body frame and can be located at the rubber roll on the body frame rotationally; Aforementioned rubber roll two ends are provided with two bearings, have the groove that supplies bearing to be provided with on the aforesaid body frame, it is characterized in that described body frame is provided with the jump ring that wire surrounds; This jump ring has the elasticity limiting section that protrudes from the aforementioned grooves port, and said bearing then is limited in the zone that this elasticity limiting section and groove surround.
Jump ring the concrete preferred following structure that adopts is set: described jump ring two ends are positioned on the body frame and the bottom has first location division of crooked protrusion and second location division that the middle part has indent; Described elasticity limiting section then takes shape in the upper end of jump ring; Accordingly, have on the said body frame and be connected in the Access Division in aforementioned first location division and be resisted against the support portion outside aforementioned second location division.Further, first end of said jump ring bends inwards and is positioned in the locating hole of body frame, or first end of said jump ring is resisted against in the locating slot of body frame, and second end then is resisted against the medial surface of body frame sidewall.
Further, first end of described jump ring is provided with near first location division, and second end is provided with near the elasticity limiting section.
A kind of thermal printer; Comprise body frame and be located at motor, driving gear component, print head assembly and the rubber roll on the body frame; The active output gear engagement of the power intake of aforementioned driving gear component and motor, clutch end and the rubber roll gears engaged of being located at the rubber roll end, aforementioned rubber roll two ends are provided with two bearings; Has the groove that supplies bearing to be provided with on the aforesaid body frame; It is characterized in that described body frame is provided with the jump ring that wire surrounds, this jump ring has the elasticity limiting section that protrudes from the aforementioned grooves port, and said bearing then is limited in the zone that this elasticity limiting section and groove surround.
The concrete structure of jump ring and set-up mode thereof preferably adopt following mode: described body frame has a central area; These both sides, central area form sidewall; Described printer head assembly comprises to be located at the support in the aforementioned central area and to be located at the printhead on this support; The both sides of aforementioned brackets form side surface part
Described jump ring two ends are positioned on the body frame and the bottom has first location division of crooked protrusion and second location division that the middle part has indent; Described elasticity limiting section then takes shape in the upper end of jump ring; Accordingly, have on the said body frame and be connected in the Access Division in aforementioned first location division and be resisted against the support portion outside aforementioned second location division;
First end of described jump ring is provided with near first location division, and second end is provided with near the elasticity limiting section;
First end of said jump ring bends inwards and is positioned in the locating hole of body frame, or first end of said jump ring is resisted against in the locating slot of body frame, and second end then is embedded in the gap between the side surface part of sidewall and support of body frame.
Compared with prior art; The invention has the advantages that: earlier flexibly be located at jump ring on the body frame and protrude the elasticity limiting section, then the bearing extruding of rubber roll is got in the zone that elasticity limiting section and groove surround, bearing just can not break away from groove easily; Overall structure is simple; Assembling is shirked quick easily, and parts are easy to get, and cost is cheap relatively.In the use, receive the effect bearing of elasticity limiting section hardly play can take place, guarantee the normal and stable running of rubber roll.
Description of drawings
Fig. 1 is embodiment 1 structural representation.
Fig. 2 is embodiment 1 another visual angle structural representation.
Fig. 3 is the exploded of Fig. 2.
Fig. 4 is embodiment 2 structural representations.
Fig. 5 is the exploded of Fig. 4.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Like Fig. 1, Fig. 2 and shown in Figure 3; Thermal printer in the present embodiment comprises body frame 1 and is located at motor 2, driving gear component (do not have among the figure and show), print head assembly 5 and the rubber roll 4 on the body frame 1; The active output gear engagement of the power intake of driving gear component and motor 1; Clutch end and 41 engagements of the rubber roll gear of being located at rubber roll 4 ends, body frame 1 has a central area, and these both sides, central area form sidewall 13; Printer head assembly 5 comprises the support of being located in the central area 51 and is located at the printhead 53 on this support 51 that the both sides of support 51 form side surface part 52.
Rubber roll 4 two ends are provided with two bearings 3; Has the groove 15 that supplies bearing to be provided with on the body frame 1; Body frame 1 is provided with the jump ring 6 that wire surrounds, and this jump ring 6 has the elasticity limiting section 65 that protrudes from groove 15 ports, and bearing 3 then is limited in the zone that this elasticity limiting section 65 and groove 15 surround.
The bottom of jump ring 6 has first location division 64 of crooked protrusion and second location division 63 that the middle part has indent; 65 upper ends that are positioned at jump ring 6 of elasticity limiting section; Accordingly, have the Access Division 11 that is connected in first location division on the body frame 1 and be resisted against the support portion 12 outside second location division 63, Access Division 11 is inside with one of the power that the support portion acts on the jump ring; One outwards, makes to obtain jump ring and obtain good balance.Particularly: first end 61 of jump ring be provided with near first location division 64 and the locating hole 14 that is positioned body frame that bends inwards in, second end 62 is provided with and is embedded near elasticity limiting section 65 in the gap between the side surface part 52 of sidewall 13 and support of body frame.
Earlier flexibly be located at jump ring 6 on the body frame 1 and protrude elasticity limiting section 65, then bearing 3 extruding of rubber roll are got in the zone that elasticity limiting sections 65 and groove 15 surround, bearing 3 just can not break away from groove 15 easily.During last paper, can overcome elasticity limiting section 65 elastic force as long as lightly rubber roll 4 is pulled, rubber roll 4 easily breaks away from grooves 15.
Like Fig. 4 and shown in Figure 5, first end 61 of jump ring is resisted against in the locating slot 16 of body frame in the thermal printer in the present embodiment, and second end 62 then is embedded at the medial surface of the sidewall 13 of body frame.Other structure reference implementation examples 1.
Claims (7)
1. frame and rubber roll assembly structure; Comprise body frame and can be located at the rubber roll on the body frame rotationally; Aforementioned rubber roll two ends are provided with two bearings, have the groove that supplies bearing to be provided with on the aforesaid body frame, it is characterized in that described body frame is provided with the jump ring that wire surrounds; This jump ring has the elasticity limiting section that protrudes from the aforementioned grooves port, and said bearing then is limited in the zone that this elasticity limiting section and groove surround.
2. frame according to claim 1 and rubber roll assembly structure; It is characterized in that described jump ring two ends are positioned on the body frame and the bottom has first location division of crooked protrusion and second location division that the middle part has indent; Described elasticity limiting section then takes shape in the upper end of jump ring; Accordingly, have on the said body frame and be connected in the Access Division in aforementioned first location division and be resisted against the support portion outside aforementioned second location division.
3. frame according to claim 2 and rubber roll assembly structure, first end that it is characterized in that said jump ring bends inwards and is positioned in the locating hole of body frame, and second end then is resisted against the medial surface of body frame sidewall.
4. frame according to claim 2 and rubber roll assembly structure is characterized in that first end of said jump ring is resisted against in the locating slot of body frame, and second end then is resisted against the medial surface of body frame sidewall.
5. according to claim 3 or 4 described frames and rubber roll assembly structure, it is characterized in that first end of described jump ring is provided with near first location division, second end is provided with near the elasticity limiting section.
6. application thermal printer of any frame and rubber roll assembly structure in the requirement 1～5 of having the right; Comprise body frame and be located at motor, driving gear component, print head assembly and the rubber roll on the body frame; The active output gear engagement of the power intake of aforementioned driving gear component and motor; Clutch end and the rubber roll gears engaged of being located at the rubber roll end; Aforementioned rubber roll two ends are provided with two bearings, have the groove that supplies bearing to be provided with on the aforesaid body frame, it is characterized in that described body frame is provided with the jump ring that wire surrounds; This jump ring has the elasticity limiting section that protrudes from the aforementioned grooves port, and said bearing then is limited in the zone that this elasticity limiting section and groove surround.
7. thermal printer according to claim 6; It is characterized in that described body frame has a central area; These both sides, central area form sidewall; Described printer head assembly comprises to be located at the support in the aforementioned central area and to be located at the printhead on this support, and the both sides of aforementioned brackets form side surface part
Described jump ring two ends are positioned on the body frame and the bottom has first location division of crooked protrusion and second location division that the middle part has indent; Described elasticity limiting section then takes shape in the upper end of jump ring; Accordingly, have on the said body frame and be connected in the Access Division in aforementioned first location division and be resisted against the support portion outside aforementioned second location division;
First end of described jump ring is provided with near first location division, and second end is provided with near the elasticity limiting section;
First end of said jump ring bends inwards and is positioned in the locating hole of body frame, or first end of said jump ring is resisted against in the locating slot of body frame, and second end then is embedded in the gap between the side surface part of sidewall and support of body frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102838128A CN102431314A (en) | 2011-09-23 | 2011-09-23 | Assembly structure for rack and rubber roll as well as thermal printer applying assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102838128A CN102431314A (en) | 2011-09-23 | 2011-09-23 | Assembly structure for rack and rubber roll as well as thermal printer applying assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102431314A true CN102431314A (en) | 2012-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102838128A Pending CN102431314A (en) | 2011-09-23 | 2011-09-23 | Assembly structure for rack and rubber roll as well as thermal printer applying assembly structure |
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| CN (1) | CN102431314A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111114138A (en) * | 2020-01-19 | 2020-05-08 | 厦门顶尖电子有限公司 | Printer core and fixing mechanism of rubber roller shaft sleeve thereof and thermal printer |
| CN112373175A (en) * | 2020-10-21 | 2021-02-19 | 珠海泽冠科技有限公司 | Firm rubber roller structure and installation method thereof |
| CN113858800A (en) * | 2021-10-25 | 2021-12-31 | 厦门汉印电子技术有限公司 | Main body support for printing device and printing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2371030Y (en) * | 1999-03-12 | 2000-03-29 | 施远祥 | Inker for transfer printing field |
| CN2825292Y (en) * | 2005-11-01 | 2006-10-11 | 北京思普瑞特科技发展有限公司 | Minsized thermal printer movement |
| CN201179756Y (en) * | 2008-02-25 | 2009-01-14 | 厦门精芯科技有限公司 | Novel thermal printer cassette |
| CN202271666U (en) * | 2011-09-23 | 2012-06-13 | 宁波精芯科技有限公司 | Rack and rubber roll assembling structure and thermosensitive printer applying assembling structure |
-
2011
- 2011-09-23 CN CN2011102838128A patent/CN102431314A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2371030Y (en) * | 1999-03-12 | 2000-03-29 | 施远祥 | Inker for transfer printing field |
| CN2825292Y (en) * | 2005-11-01 | 2006-10-11 | 北京思普瑞特科技发展有限公司 | Minsized thermal printer movement |
| CN201179756Y (en) * | 2008-02-25 | 2009-01-14 | 厦门精芯科技有限公司 | Novel thermal printer cassette |
| CN202271666U (en) * | 2011-09-23 | 2012-06-13 | 宁波精芯科技有限公司 | Rack and rubber roll assembling structure and thermosensitive printer applying assembling structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111114138A (en) * | 2020-01-19 | 2020-05-08 | 厦门顶尖电子有限公司 | Printer core and fixing mechanism of rubber roller shaft sleeve thereof and thermal printer |
| CN112373175A (en) * | 2020-10-21 | 2021-02-19 | 珠海泽冠科技有限公司 | Firm rubber roller structure and installation method thereof |
| CN113858800A (en) * | 2021-10-25 | 2021-12-31 | 厦门汉印电子技术有限公司 | Main body support for printing device and printing device |
| CN113858800B (en) * | 2021-10-25 | 2023-03-10 | 厦门汉印电子技术有限公司 | Main body support for printing device and printing device |
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Application publication date: 20120502 |