Flip cover structure of thermal printer

Abstract

The utility model relates to the technical field of thermal printers, and discloses a flip cover structure of a thermal printer, which comprises a first side cover and a base body, the left side of the base body is fixedly connected with the first side cover, a preformed hole is arranged in the front end of the first side cover, the right side of the base body is fixedly connected with a second side cover, and the second side cover is fixedly connected with the base body. One side of the first side cover and one side of the second side cover are fixedly connected with a connecting base, and a rotating hole is formed in the connecting base. According to the flip cover structure of the thermal printer, parts such as reserved holes are arranged, after a flip cover body rotating shaft is installed into a base assembly rotating hole, a flip cover body rotates downwards to close a cover, a plug pin is inserted into the reserved hole of a first side cover, the top face of the plug pin is a plane, the corresponding inserted hole position is an arc face, and the plane is matched with the arc face; therefore, no matter what angle exists between the flip cover body and the base body, the plane and the arc surface cannot generate different angles, and the problem that the plane of the hook cannot be matched with the fixed plane in parallel is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat -sensitive printer technical field, concretely is a heat -sensitive printer's flip -cover structure. BACKGROUND

[0002] Heat -sensitive printer is a kind of computer peripheral equipment using heat -sensitive technology to print, usually for low-speed printing, for example receipt, label and bill, etc., the working principle of heat -sensitive printer is that semiconductor heating element is installed on print head, and the required pattern can be printed after print head heating and contacting heat -sensitive printing paper, heat -sensitive printer will open the flip cover in the process of using, close the flip cover, usually after closing the flip cover, use hook or latch, pull and fix the flip cover.

[0003] After searching, reference the open number CN214001022U discloses a kind of heat -sensitive printer's flip -cover connection structure, the utility model relates to heat -sensitive printer technical field, discloses a kind of heat -sensitive printer's flip -cover connection structure, including base and flip cover, flip cover front end is equipped with two L-shaped rocker arms, two rocker arms are located respectively at left side and right side of flip cover, base left and right sides are equipped with rotating shaft, rocker arm outside is equipped with shaft slot correspondingly, rotating shaft is inserted in shaft slot, rocker arm inside is equipped with spring rotating shaft, spring rotating shaft is opened with spring hole along radial direction, spring wire is passed through in spring hole, one end of spring wire is wound in rocker arm, the other end of spring wire abuts base, rocker arm inside is equipped with multiple reinforcing ribs, multiple reinforcing ribs form hollow slot between them, rocker arm front side is equipped with first process groove.This connection structure does not need to use steel shaft, complete connection by rotating shaft on base and shaft slot of rocker arm, completely solve the problem of steel shaft deformation rust, save material cost, when assembling, rotating shaft is directly clamped into shaft slot, assembly process is simple, save assembly time, reduce assembly station.

[0004] According to the design of the existing heat -sensitive printer's flip -cover structure, the flip cover is rotated around the rotation center and is buckled to the base to close the cover, the flip cover is fixed by hook or latch after closing the cover, and the drawing theory is parallel to the base part, but the plastic itself has multiple factors such as injection deformation, part working strength deformation, clearance between parts and parts, assembly machining precision, the flip cover after closing the cover is not parallel to the base but has an angle, the hook hook part also has an angle, so that the plane of the hook hook part cannot be parallel to the fixing plane of the flip cover, the larger the angle, the lower the matching precision, therefore, the flip cover structure needs to be improved.

[0005] Now, a new heat -sensitive printer's flip -cover structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a heat -sensitive printer's flip -cover structure to solve the problem that the hook plane cannot be parallel to the fixing plane in the background art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A flip structure of thermal printer, including first side cover and base body, the left side fixed connection of base body has first side cover, the inside of first side cover front end is provided with reserved hole, the right side fixed connection of base body has second side cover, one side fixed connection of first side cover and second side cover has connecting seat, the inside of connecting seat is provided with rotating hole, the top of base body is provided with flip body, the front end and rear end fixed connection of flip body has fixed cover, the inside of fixed cover front end is provided with bolt, the front end and rear end fixed connection of fixed cover has rotating shaft respectively.

[0008] Preferably, the bolt is matched with the position of the reserved hole.

[0009] Preferably, the first side cover and the second side cover are respectively same as the width of the fixed cover.

[0010] Preferably, the length of the base body and the flip body is same.

[0011] Preferably, the bolt is detachable embedded in the inside of the reserved hole.

[0012] Preferably, the rotating shaft is rotatable embedded in the inside of the rotating hole.

[0013] Compared with the prior art, the utility model has the beneficial effects that: the flip structure of thermal printer realizes that no matter what angle exists between the flip body and the base body, the plane and the arc surface will not produce different angles.

[0014] By being provided with the reserved hole, the first side cover, the reserved hole, the base body, the fixed cover, the bolt, the flip body, the rotating shaft, the second side cover, the rotating hole and the connecting seat, because the front end is provided with the bolt, the tail part is the rotating shaft, the tail part of the base assembly is the rotating hole, the front end has the reserved hole for the bolt to insert, after the rotating shaft of the flip body is installed into the rotating hole of the base assembly, the flip body rotates downward to close, the bolt is inserted into the reserved hole of the first side cover, the top surface of the bolt is the plane, and the hole position inserted correspondingly is the arc surface, so the plane cooperates with the arc surface, and no matter what angle exists between the flip body and the base body, the plane and the arc surface will not produce different angles. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view sectional structure schematic diagram of the utility model;

[0016] Figure 2 It is the bolt and the reserved hole connection mode enlarged front view structure schematic diagram of the utility model;

[0017] Figure 3The utility model discloses a flip cover body and bottom body connection mode front view structure schematic diagram.

[0018] Figure 4 The utility model discloses a latch and flip cover body connection mode front view structure schematic diagram.

[0019] In the drawing: 1, first side cover, 2, reserved hole, 3, base body, 4, fixed cover, 5, latch, 6, flip cover body, 7, rotating shaft, 8, second side cover, 9, rotating hole, 10, connecting seat. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work fall within the protection scope of the utility model.

[0021] Embodiment 1: please refer to Figures 1-4 A flip cover structure of thermal printer, including first side cover 1 and base body 3, the left side fixed connection of base body 3 has first side cover 1, and the inside of first side cover 1 front end is provided with reserved hole 2, and the right side fixed connection of base body 3 has second side cover 8, and one side fixed connection of first side cover 1 and second side cover 8 has connecting seat 10, and the inside of connecting seat 10 is provided with rotating hole 9, and the top of base body 3 is provided with flip cover body 6, and the front end and rear end of flip cover body 6 are fixedly connected with fixed cover 4, and the inside of fixed cover 4 front end is provided with latch 5, and the front end and rear end of fixed cover 4 are fixedly connected with rotating shaft 7 respectively;

[0022] The position of latch 5 and reserved hole 2 is coincided, and latch 5 is detachable embedded in the inside of reserved hole 2.

[0023] The width of first side cover 1 and second side cover 8 is same with fixed cover 4 respectively, and the length of base body 3 and flip cover body 6 is same, and rotating shaft 7 is rotatable embedded in the inside of rotating hole 9.

[0024] Specifically, as Figure 1 、 Figure 2 、 Figure 3 And Figure 4As shown, the front end is provided with the latch 5, the tail is the rotating shaft 7, the tail of the base assembly is the rotating hole 9, the front end has the reserved hole 2 for the insertion of the latch 5, after the rotating shaft 7 of the cover body 6 is installed into the rotating hole 9 of the base assembly, the cover body 6 is rotated downward to close the cover, the latch 5 is inserted into the reserved hole 2 of the first side cover 1, the top surface of the latch 5 is a plane, the corresponding inserted hole position is a circular surface, the plane is matched with the circular surface, therefore, no matter what angle exists between the cover body 6 and the base body 3, the plane and the circular surface will not produce different angles.

[0025] Working principle: when the utility model is used, first, because the front end is provided with the latch 5, the tail is the rotating shaft 7, the tail of the base assembly is the rotating hole 9, the front end has the reserved hole 2 for the insertion of the latch 5, after the rotating shaft 7 of the cover body 6 is installed into the rotating hole 9 of the base assembly, the cover body 6 is rotated downward to close the cover, the latch 5 is inserted into the reserved hole 2 of the first side cover 1, the top surface of the latch 5 is a plane, the corresponding inserted hole position is a circular surface, the plane is matched with the circular surface, therefore, no matter what angle exists between the cover body 6 and the base body 3, the plane and the circular surface will not produce different angles.

[0026] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A flip cover structure of a thermal printer comprising a first side cover (1) and a base body (3), characterized in that: The left side of the base body (3) is fixedly connected with a first side cover (1), the inside of the front end of the first side cover (1) is provided with a reserved hole (2), the right side of the base body (3) is fixedly connected with a second side cover (8), one side of the first side cover (1) and the second side cover (8) is fixedly connected with a connecting seat (10), the inside of the connecting seat (10) is provided with a rotating hole (9), the top end of the base body (3) is provided with a flip body (6), the front end and the rear end of the flip body (6) are fixedly connected with a fixed cover (4), the inside of the front end of the fixed cover (4) is provided with a latch (5), the front end and the rear end of the fixed cover (4) are respectively fixedly connected with a rotating shaft (7).

2. The clamshell structure of a thermal printer according to claim 1, wherein: The position of the latch (5) is consistent with the reserved hole (2).

3. The clamshell structure of a thermal printer according to claim 1, wherein: The width of the first side cover (1) and the second side cover (8) is same with the fixed cover (4).

4. The clamshell structure of a thermal printer according to claim 1, wherein: The length of the base body (3) and the flip body (6) is same.

5. The flip cover structure of a thermal printer according to claim 1, wherein: The latch (5) is detachable embedded in the inside of the reserved hole (2).

6. The clamshell structure of a thermal printer according to claim 1, wherein: The rotating shaft (7) is rotatable embedded in the inside of the rotating hole (9).

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