CN210454151U

CN210454151U - Integrated plastic base frame for thermal printer

Info

Publication number: CN210454151U
Application number: CN201920842477.2U
Authority: CN
Inventors: 龚茂华; 邓萱东; 游中林
Original assignee: Zhuhai Hengwei Plastic Products Co ltd
Current assignee: Zhuhai Hengwei Plastic Products Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-05-05
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses an integral plastic bed frame for thermal printer, which relates to the technical field of printer, and comprises a frame body, wherein one end of the frame body is provided with a gear box which is integrally formed with the frame body, an end cover is spliced at one side of the gear box relative to the frame body, and slots are arranged at four corners of one side of the gear box relative to the frame body, four corners of one side of the gear box adjacent to the gear box are respectively provided with an insert block which is in one-to-one correspondence with the four slots, and spring slots are arranged inside the four insert blocks, the utility model realizes the quick disassembly and assembly of the end cover and the gear box through the arrangement of the insert blocks, the slots, the springs, the push rods and the insert rods, is convenient for maintenance, thereby being beneficial to improving the maintenance efficiency of the printer, and can achieve the purpose of heat dissipation through the stop rods with movable structures so as, is beneficial to prolonging the service life of the components.

Description

Integrated plastic base frame for thermal printer

Technical Field

The utility model belongs to the technical field of the printer, concretely relates to integral type plastic bed frame for thermal printer.

Background

The printer is one of the output devices of the computer, is used for printing the result of the computer processing on the relevant medium, and the indexes for measuring the quality of the printer are three items: the printing resolution, printing speed and noise, the variety of printers, whether there is a stroke action on paper according to the printing element, the fractional impact printer and the non-impact printer, the fractional full-scale character printer and the dot matrix character printer, the mode of forming a line of characters on paper, the fractional serial printer and the line printer, the printers according to the adopted technology, the columnar, spherical, ink-jet, thermal sensitive, laser, electrostatic, magnetic, light emitting diode type, and the like.

But the integral type plastic base frame still has certain defect in the use for the thermal printer in the existing market, for example, the device dismouting is inconvenient, is unfavorable for the maintenance of device, influences its maintenance efficiency, and in addition, radiating efficiency is poor, influences the life of part.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal printer is with integral type plastic bed frame to the device dismouting that proposes in solving above-mentioned background art is inconvenient, is unfavorable for the maintenance of device, and in addition, heat radiating efficiency is poor, influences part life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: an integrated plastic pedestal for a thermal printer comprises a frame body, a gear box integrally formed with the frame body is arranged at one end of the frame body, an end cover is inserted into one side of the gear box opposite to the frame body, and four corners of the gear box corresponding to one side of the frame body are respectively provided with an inserting groove, four corners of the end cover adjacent to one side of the gear box are respectively provided with an inserting block which is in one-to-one correspondence with the four inserting grooves, the four inserting blocks are respectively internally provided with a spring groove, springs are fixed inside the four spring grooves through a fixed seat, one ends of the four springs, which are opposite to the fixed seat, are connected with inserted rods through a movable plate, push rod grooves corresponding to the spring grooves are formed in the gear box and positioned on one sides of the four slots, the push rod with the end part provided with the convex block is inserted into the push rod groove, and the inserted rod extends into the push rod groove and is abutted against the end part of the push rod.

Preferably, the inside of gear box is through being provided with the gear pair, the gear pair includes the master gear and follows the gear, and the master gear rotates through pivot and motor to be connected, rotates through pivot and rubber roll from the gear and is connected, be connected with the axis of rotation for the one end of rubber roll from the gear, and the one end of axis of rotation extends to the inner wall of end cover and has cup jointed the flabellum, there is the pin end the end cover for one side of gear box through loose axle swing joint.

Preferably, a telescopic cylinder is further arranged inside the spring groove and comprises an inner cylinder and an outer cylinder, the end portion of the inner cylinder is connected with the movable plate, the end portion of the outer cylinder is connected with the fixed seat, and the spring is sleeved outside the telescopic cylinder.

Preferably, the corners opposite to one end of the insertion block far away from the end cover are all transited by arc chamfers to form arc ends.

Preferably, one end of the stop lever, which is far away from the end cover, is bent downwards to form an arc lever, and a spherical end block is fixed at the end part of the downward bent arc.

Preferably, the cross section of the bump at the end of the push rod is rectangular, and the area of the end face of the bump at the end far away from the push rod is larger than the area of the end face of the inserted link at the end far away from the moving plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a quick assembly disassembly of end cover and gear box is realized in the setting of inserted block, slot, spring, push rod and inserted bar, the maintenance of being convenient for to be favorable to improving the maintenance efficiency of printer.

(2) The utility model discloses a movable structure's pin, realize the printer at the during operation, the flabellum rotates along with gear pair rotation, produce the air current, make the pin rotate under the effect of loose axle and open, then the air current blows off the heat that the inside gear pair during operation of gear box produced, when idle, the flabellum rotates along with gear pair stall, the pin hangs down under the effect of its own gravity this moment, so as to shelter from the air outlet, end block and end cover lateral wall contact simultaneously, make and have the clearance between pin and the end cover, and then reach radiating purpose, so that the heat of the inside gear pair of gear box spills out, be favorable to the life of extension block.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the gear box of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is an enlarged view of FIG. 2 at B;

in the figure: 1-a frame body; 2-a gearbox; 3-a stop lever; 4-end cover; 5-a push rod; 6-gear pair; 7-fan blades; 8-a rotating shaft; 9-an end-block; 10-a push rod groove; 11-a slot; 12-an insert block; 13-a spring; 14-a spring groove; 15-inserting a rod; 16-telescopic cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-4, the present invention provides a technical solution: an integrated plastic pedestal for a thermal printer comprises a frame body 1, wherein one end of the frame body 1 is provided with a gear box 2 which is integrally formed with the frame body, one side of the gear box 2 opposite to the frame body 1 is inserted with an end cover 4, four corners of the gear box 2 opposite to one side of the frame body 1 are respectively provided with a slot 11, four corners of the end cover 4 adjacent to one side of the gear box 2 are respectively provided with an insert block 12 which is in one-to-one correspondence with the four slots 11, corners opposite to one end of the insert block 12 far away from the end cover 4 are respectively transited by arc chamfers to form arc ends, the insert blocks 12 are conveniently and rapidly inserted into the slots 11 through the arrangement of the arc ends, so that the end cover 4 is favorably clamped, spring grooves 14 are respectively formed in the four insert blocks 12, telescopic cylinders 16 are also arranged in the spring grooves 14, each telescopic cylinder 16 comprises an inner cylinder moving plate, the spring 13 is sleeved outside the telescopic cylinder 16, when the spring 13 extends, the telescopic cylinder 16 extends and retracts along with the spring 13 to ensure the rigidity of the spring 13 and avoid the spring 13 from bending due to overlarge stress, so that the spring 13 is beneficial to stable extension and retraction, the springs 13 are fixed inside the four spring grooves 14 through the fixed seat, one ends of the four springs 13, which are opposite to the fixed seat, are connected with the inserted rod 15 through the movable plate, the push rod grooves 10, which correspond to the positions of the spring grooves 14, are formed in the gear box 2 and are positioned at one sides of the four slots 11, the push rod 5 with a lug at the end part is inserted into the push rod groove 10, the cross section of the lug at the end part of the push rod 5 is rectangular, the area of the end surface, which is far away from one end of the push rod 5, of the inserted rod 15 is larger than the area of the end surface, which is far away from one end of the movable plate, the user can promote push rod 5, pushes out push rod groove 10 with inserted bar 15 under the elastic action of spring 13, and then the user pulls out end cover 4 from gear box 2 to realize the quick dismantlement of end cover 4 and gear box 2, the maintenance of being convenient for.

Furthermore, a gear pair 6 is arranged inside the gear box 2, the gear pair 6 comprises a main gear and a driven gear, the main gear is rotatably connected with a motor through a rotating shaft, the driven gear is rotatably connected with a rubber roller through a rotating shaft, one end of the driven gear opposite to the rubber roller is connected with a rotating shaft 8, one end of the rotating shaft 8 extends to the inner wall of the end cover 4 and is sleeved with a fan blade 7, the fan blade 7 rotates along with the rotation of the gear pair 6 in the printing process to generate air flow, so that the stop lever 3 rotates and opens under the action of the movable shaft, then the air flow blows out heat generated by the gear pair 6 inside the gear box 2 during working so as to achieve the purpose of heat dissipation, one side of the end cover 4 opposite to the gear box 2 is movably connected with the stop lever 3 through the movable shaft, one end of the stop lever 3, which is far away from the end cover 4, is bent downwards to form an arc rod, a spherical end block 9 is, make and have the clearance between pin 3 and the end cover 4, when the printer is idle to the heat effluvium that produces in the internal gear pair 6 during operation of gear box 2 is favorable to prolonging the life of part.

The utility model discloses a theory of operation and use flow: when the utility model is used, a user can align the end cover 4 with the slot 11 in the gear box 2 through the inserting block 12 and insert the end cover 4 and the gear box 2, then the frame body 1 is put into a printer for printing, when printing, the motor drives the rubber roller to rotate through the gear pair 6 to drive the paper to be printed, in the printing process, the fan blade 7 rotates along with the rotation of the gear pair 6 to generate air flow, so that the stop lever 3 rotates and opens under the action of the movable shaft, then the air flow blows out the heat generated when the gear pair 6 in the gear box 2 works to achieve the purpose of heat dissipation, when the printer is idle, the fan blade 7 stops rotating along with the gear pair 6, at the moment, the stop lever 3 hangs down under the action of the self gravity to shield the air outlet, meanwhile, the end block 9 is contacted with the side wall of the end cover 4, so that a gap exists between the stop lever 3 and the end cover 4, so that the heat that gear pair 6 during operation produced in the gear box 2 inside dispels, when gear pair 6 damaged, the user can promote push rod 5, pushes out push rod groove 10 with inserted bar 15 under the spring action of spring 13, and then the user pulls out end cover 4 from gear box 2 to realize the quick dismantlement of end cover 4 and gear box 2, be convenient for maintain.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an integral type plastic bed frame for thermal printer, includes support body (1), the one end of support body (1) is provided with rather than integrated into one piece's gear box (2), its characterized in that: an end cover (4) is inserted into one side of the gear box (2) corresponding to the frame body (1), four corners of the gear box (2) corresponding to one side of the frame body (1) are respectively provided with a slot (11), four corners of the end cover (4) adjacent to one side of the gear box (2) are respectively provided with an insert block (12) corresponding to the four slots (11), spring grooves (14) are respectively formed in the four insert blocks (12), springs (13) are respectively fixed in the four spring grooves (14) through a fixed seat, one ends of the four springs (13) corresponding to the fixed seat are respectively connected with an insert rod (15) through a movable plate, push rod grooves (10) corresponding to the spring grooves (14) are respectively formed in one side of the four slots (11) in the gear box (2), a push rod (5) with a convex block at the end is inserted into the push rod grooves (10), the inserted rod (15) extends to the inner part of the push rod groove (10) and is abutted against the end part of the push rod (5).

2. The one-piece plastic base frame for a thermal printer according to claim 1, wherein: gear pair (6) is through being provided with to the inside of gear box (2), gear pair (6) include the master gear and follow the gear, and the master gear rotates through pivot and motor to be connected, rotates through pivot and rubber roll from the gear and is connected, be connected with axis of rotation (8) for the one end of rubber roll from the gear, and the one end of axis of rotation (8) extends to the inner wall of end cover (4) and has cup jointed flabellum (7), there is pin (3) end cover (4) through loose axle swing joint for one side of gear box (2).

3. The one-piece plastic base frame for a thermal printer according to claim 1, wherein: the spring groove (14) is internally provided with a telescopic cylinder (16), the telescopic cylinder (16) comprises an inner cylinder and an outer cylinder, the end part of the inner cylinder is connected with the movable plate, the end part of the outer cylinder is connected with the fixed seat, and the spring (13) is sleeved outside the telescopic cylinder (16).

4. The one-piece plastic base frame for a thermal printer according to claim 1, wherein: the angle of one end of the insert block (12) far away from the end cover (4) is in arc chamfer transition to form an arc end.

5. The one-piece plastic base frame for a thermal printer according to claim 2, wherein: one end of the stop lever (3) far away from the end cover (4) is bent downwards to form an arc lever, and a spherical end block (9) is fixed at the end part of the downward bent arc.

6. The one-piece plastic base frame for a thermal printer according to claim 1, wherein: the section of the lug at the end part of the push rod (5) is rectangular, and the area of the end face of one end of the lug, which is far away from the push rod (5), is larger than the area of the end face of one end of the inserted rod (15), which is far away from the movable plate.