CN208006491U - A kind of thermal printing head pedestal fixing device - Google Patents

Abstract

The utility model is related to a kind of thermal printing head pedestal fixing devices, including fixing screws and fixing bracket, the fixing bracket includes fixed plate, the position that the fixed plate corresponds to thermal printing head base threaded bore is equipped with mounting hole, the axle portion of the fixing screws is placed in across the mounting hole in the thermal printing head base threaded bore, it is equipped with connecting shaft in the left and right sides of the fixed plate, the connecting shaft is connected with printer housing, the rear end of the fixed plate is equipped with shaft member clamping part, and the shaft member clamping part clamping is on a printer；The utility model is completely embedded with printer, is completely embedded with thermal printing head pedestal, simple in structure, and easy to assemble and use is permanent.

Description

A kind of thermal printing head pedestal fixing device

Technical field

The utility model is related to printer technology fields, and in particular to a kind of fixed fastening is easy to be replaced and use permanent heat Quick printing head base fixing device.

Background technology

The thermal printing head that bar code generating is grown up to be a useful person is the important component for realizing picture and text output, it needs to be fixed on stabilization can It leans on, on the high component of machining accuracy, clearly picture and text output just may be implemented.What present industry generally used is mostly axis and slot Between clamp the printing head base fixed structure of connection, and by being clamped the printing head base fixed structure of connection between axial trough, Although convenient for disassembly and assembly, after replacement or long-time service, wedging position, which easily loosens, can lead to fixed structure and print enclosure The connection of body or printing head base causes to loosen, and is lost to make the printing effect of printer be affected even.

Chinese patent document is disclosed application No. is 2010020059289.1 thermal-sensitive printer printing head mounting device, Print enclosure accommodating space described in the device is arranged with two positioning columns, the relative position in the middle part of the two positioning columns line On set there are one short slot, set there are two short slot at print head both ends, the size of the short slot and the size of positioning column match, printing The middle part of head fixed plate sets a pillar to outer, which matches with the short slot in print enclosure；The apparatus structure is simple, tears open Dress is convenient, but its wedging position is vulnerable to damage in replacement process, with the company between thermal printing head pedestal and printer Inadequate fastening is connect, being used for a long time can make the printing effect of printer be affected.

Utility model content

Of the existing technology in order to solve the problems, such as, the utility model provides a kind of fixed fastening and easily replaces and using length Long thermal printing head pedestal fixing device, including fixing screws and fixed plate, fixed plate be equipped with mounting hole, shaft member clamping part and Connecting shaft；Thermal printing head pedestal is connected in fixed plate by the screw across mounting hole, and shaft member clamping part is clamped in printing On machine, connecting shaft is fixed in printer housing, and the utility model is fixed with printer and thermal printing head pedestal and fastened, Yi Geng It changes and using permanent.

The purpose of this utility model is to provide a kind of thermal printing head pedestal fixing device, including fixing screws and fixed branch Frame, the fixing bracket include fixed plate, and the position that the fixed plate corresponds to thermal printing head base threaded bore is equipped with mounting hole, The axle portion of the fixing screws is placed in across the mounting hole in the thermal printing head base threaded bore, the fixed plate Connecting shaft is equipped in left and right sides, the connecting shaft is connected with printer housing, and the rear end of the fixed plate is equipped with shaft member Clamping part, the shaft member clamping part clamping is on a printer.

When fixed, the axle portion of fixing screws is placed in across mounting hole in the threaded hole of thermal printing head, shaft member clamping part On a printer, connecting shaft is fixed in printer housing for clamping, when replacing printing head base, is dismantled admittedly after removing fixing device Determine screw, also can directly dismantle fixing screws.

In the utility model, the fixed plate is bottom surface with the one side that the thermal printing head pedestal is affixed；With the bottom The opposite one side in face is top surface；The front end of the fixed plate is one end close to print head in fixed plate, after the fixed plate End is one end far from print head in fixed plate；On a printer, the shape of the fixing axle is in for the shaft member clamping part aid Cylinder, the fixing axle are tightly secured in printer housing, the clamping face of the fixing axle and shaft member aid portion It matches.

In order to which fixing bracket is fixed steadily, preferred technical solution is that the number of the connecting shaft is two, described in two The axis of connecting shaft overlaps.

In order to limit the position of holddown spring one end, preferred technical solution is that the fixed plate top surface is equipped with groove, The groove is uniformly distributed along the connecting shaft axis.

In order to which holddown spring can be mounted in fixed plate, preferred technical solution is that positioning column is equipped in the groove.

It is more fastened to make fixing bracket be connect with holddown spring, preferred technical solution is the shape of the positioning column Shape is in cross.

For shaft member clamping part fix stably, preferred technical solution is vertically installed on the top surface of the fixed plate Reinforcing rib, the reinforcing rib offset with the shaft member clamping part.

In order to further increase the soundness of shaft member clamping part, preferred technical solution is the quantity of the reinforcing rib It it is three or more, the shape of the reinforcing rib is triangular in shape and the distance between two neighboring described reinforcing rib is identical.

In order to facilitate the connection of fixing bracket and print head, preferred technical solution is set between two mounting holes There are registration holes, the registration holes corresponding with the location hole of thermal printing head pedestal.

In order to further improve the soundness between print head and fixing bracket, preferred technical solution is, described Extend postive stop baffle downward vertically in the position of fixed plate bottom surface front edge.

In order to reduce the pollution level made when industry generally uses metal material, cost, preferred technical solution are reduced It is that the fixing bracket is made of modified plastics.

The beneficial effects of the utility model are：

1, the utility model provides a kind of thermal printing head pedestal fixing device, including fixing bracket and fixing screws, institute Fixing screws are stated across support bracket fastened mounting hole to be connected with printing head base；Support bracket fastened connecting shaft and printer housing phase Even, shaft member clamping part is clamped on a printer；The utility model connect fastening with printing head base and printer, simple in structure, Easy to assemble and use is permanent.

2, the quantity of connecting shaft is two, and two connecting shaft coaxial lines, so that fixing bracket is fixed steady；It is clamped with shaft member The reinforcing rib that portion offsets is evenly distributed on the top surface of fixed plate；Fixing bracket connect with printer housing and more fastens；It is fixed Plate is equipped with registration holes and postive stop baffle, and fixing bracket connect more firm with printing head base.

3, fixed plate is equipped with groove, and cross positioning column is equipped in groove, connect with holddown spring conducive to fixing bracket and Fastening.

4, fixing bracket is made of modified plastics, effectively reduces dirt when generally being made of metal material in industry Dye degree reduces cost while ensureing energy conservation and environmental protection.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the utility model structure diagram；

Fig. 2 is the utility model installation diagram；

Reference numeral

1- fixing screws；2- fixing brackets；21- mounting holes；22- fixed plates；23- shaft member clamping parts；24- positioning columns；25- Groove；26- registration holes；27- postive stop baffles；28- connecting shafts；29- reinforcing ribs.

Specific implementation mode

It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

As depicted in figs. 1 and 2, a kind of thermal printing head pedestal fixing device, including fixing screws 1 and fixing bracket 2, institute It includes fixed plate 22 to state fixing bracket 2, and the position that the fixed plate 22 corresponds to thermal printing head base threaded bore is equipped with mounting hole 21, the axle portion of the fixing screws 1 is placed in across the mounting hole 21 in the thermal printing head base threaded bore, described solid Connecting shaft 28 is equipped in the left and right sides of fixed board 22, the connecting shaft 28 is connected with printer housing, the fixed plate 22 Rear end be equipped with shaft member clamping part 23, the shaft member clamping part 23 clamping is on a printer.

The number of the connecting shaft 28 is two, and the axis of two connecting shafts 28 overlaps.

22 top surface of the fixed plate is equipped with groove 25, and the groove 25 is uniformly distributed along 28 axis of the connecting shaft.

Positioning column 24 is equipped in the groove 25.

The shape of the positioning column 24 is in cross.

Reinforcing rib 29, the reinforcing rib 29 and the shaft member clamping part 23 are vertically installed on the top surface of the fixed plate 22 It offsets.

The number of the reinforcing rib 29 is three or more, and the shape of the reinforcing rib 29 is triangular in shape and two neighboring described The distance between reinforcing rib 29 is identical.

Registration holes 26 are equipped between two mounting holes 21, the registration holes 26 are determined with the thermal printing head pedestal Position hole is corresponding.

Extend postive stop baffle 27 downward vertically in the position of 22 bottom surface front edge of the fixed plate.

The fixing bracket 2 is made of modified plastics.

Operation principle：In use, connecting shaft 28 is connected with printer housing, the fixation of printer is clamped in shaft member clamping part 23 On axis, one end of holddown spring is sleeved on positioning column 24, and 1 axle portion of fixing screws passes through the mounting hole 21 in fixed plate to be placed in In printing head base threaded hole；When replacing printing head base, fixing screws 1 are dismantled after removing fixing device, also can directly be dismantled Fixing screws 1.

Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power Subject to the protection domain that profit requires.

Claims (10)

1. a kind of thermal printing head pedestal fixing device, which is characterized in that described including fixing screws (1) and fixing bracket (2) Fixing bracket (2) includes fixed plate (22), and the position of the corresponding thermal printing head base threaded bore of the fixed plate (22) is equipped with admittedly Determine hole (21), the axle portion of the fixing screws (1) is placed in the thermal printing head base thread across the mounting hole (21) In hole, connecting shaft (28), the connecting shaft (28) and printer housing are equipped in the left and right sides of the fixed plate (22) It is connected, the rear end of the fixed plate (22) is equipped with shaft member clamping part (23), and shaft member clamping part (23) clamping is on a printer.

2. thermal printing head pedestal fixing device according to claim 1, which is characterized in that the number of the connecting shaft (28) Mesh is that the axis of two and two connecting shafts (28) overlaps.

3. thermal printing head pedestal fixing device according to claim 2, which is characterized in that fixed plate (22) top surface It is equipped with groove (25), the groove (25) is uniformly distributed along the connecting shaft (28) axis.

4. thermal printing head pedestal fixing device according to claim 3, which is characterized in that be equipped in the groove (25) Positioning column (24).

5. thermal printing head pedestal fixing device according to claim 4, which is characterized in that the shape of the positioning column (24) Shape is in cross.

6. thermal printing head pedestal fixing device according to claim 1, which is characterized in that the top of the fixed plate (22) Reinforcing rib (29) is vertically installed on face, the reinforcing rib (29) offsets with the shaft member clamping part (23).

7. thermal printing head pedestal fixing device according to claim 6, which is characterized in that the number of the reinforcing rib (29) Mesh is three or more, and the shape of the reinforcing rib (29) is triangular in shape and the distance between two neighboring described reinforcing rib (29) phase Together.

8. thermal printing head pedestal fixing device according to claim 1, which is characterized in that two mounting holes (21) Between be equipped with registration holes (26), the registration holes (26) are corresponding with the location hole of thermal printing head pedestal.

9. thermal printing head pedestal fixing device according to claim 1, which is characterized in that fixed plate (22) bottom surface Extend postive stop baffle (27) downward vertically in the position of front edge.

10. thermal printing head pedestal fixing device according to claim 1, which is characterized in that the fixing bracket (2) is adopted It is made of modified plastics.