Cover opening structure of thermal printer

Abstract

The utility model provides a cover opening structure of a thermal printer, which comprises a shell, a mounting seat, an upper cover and a fixing piece, and is characterized in that at least one mounting position is arranged on the shell; the mounting seats are arranged in the mounting positions of the shell, and the number of the mounting seats corresponds to that of the mounting positions; the upper cover is rotationally connected with the mounting seat; and the fixing part locks the mounting seat in the mounting position of the shell. According to the utility model, two mounting positions are arranged, and two corresponding mounting seats are also arranged, so that stable cover opening can be realized. According to the uncovering structure, the mounting seat is arranged for mounting the upper cover, specifically, the upper cover is mounted on the mounting seat, and then the mounting seat is locked in the mounting position through the fixing piece, so that a hole does not need to be formed in the side wall of the shell, the attractiveness of the shell is improved, meanwhile, the rotating shaft does not need to be exposed to the outer side, and a certain dustproof effect is achieved; and rotation is prevented from being influenced by long-term use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of uncovering structure, in particular to a thermal printer uncovering structure. BACKGROUND

[0002] In the field of desktop terminal and thermal printer, paper bin uncovering is a common structure mode; the product with such structure design on the market is provided with swing arms on the uncovering, usually two, the swing arms are provided with connecting holes, and the connecting holes are symmetrically distributed on the uncovering, the first connecting holes on the two swing arms are located at the same axis, the uncovering is installed on the shell through the swing arms by the shaft core component (such as a rotating shaft), the shell is provided with a hole for the shaft core component to pass through at the uncovering installation position, the uncovering is installed on the shell through the shaft core component, and a torsional spring is arranged at the swing arm to help the uncovering to be actively opened when unlocking.

[0003] Firstly, the shell of such product usually has appearance attributes, the hole for the shaft core component to pass through is arranged on the shell, which affects the appearance and is exposed to the outside, so that dust and the like can easily enter and affect the smoothness of the uncovering.

[0004] Secondly, the uncovering is connected and assembled on the shell, so a transverse hole needs to be arranged on the shell, and such design and manufacturing mode is relatively complex and difficult to manufacture.

[0005] Thirdly, the uncovering and the shell are directly installed through the hole and the torsional spring by the shaft core component, and during the installation process, the uncovering and the shell need to be continuously forced to align the installation holes for the shaft core component to pass through due to the torsional spring, so that the assembly mode is difficult.

[0006] Fourthly, under the influence of complexity and high difficulty in the manufacturing process, a large proportion of production failure rate is generated, which not only makes production difficult but also increases the manufacturing cost due to a large proportion of failure, and is not conducive to large-scale production.

[0007] Fifthly, the two torsional springs on the two swing arms are symmetrically arranged, so the two torsional springs cannot be shared, which leads to large storage pressure and is not conducive to material circulation, and increases the material management cost.

[0008] Therefore, the present application provides a thermal printer uncovering structure. CONTENT OF THE UTILITY MODEL

[0009] The utility model aims at solving one of the technical problems in the prior art. To this end, the utility model provides a thermal printer uncovering structure, which is installed on the mounting seat, and the upper cover is installed on the mounting seat, and then the mounting seat is locked in the mounting position by the fixing piece, so that the defects of the existing structure are overcome.

[0010] According to the heat-sensitive printer cover opening structure, the mounting seat is arranged in the mounting position of the shell, and the number of the mounting seat corresponds to the mounting position.

[0011] The shell is provided with a mounting position, and at least one mounting position is arranged;

[0012] The mounting seat is arranged in the mounting position of the shell, and the number of the mounting seat corresponds to the mounting position.

[0013] The upper cover is rotatably connected with the mounting seat.

[0014] The fixing member locks the mounting seat in the mounting position of the shell.

[0015] The cover opening structure is arranged with the mounting seat for mounting the upper cover, the upper cover is arranged on the mounting seat, and then the mounting seat is locked in the mounting position through the fixing member, so that the shell is not required to be perforated on the side wall, the appearance of the shell is improved, meanwhile, the rotating shaft is not required to be exposed to the outside, dustproof effect is achieved, and rotation is not affected by long-term use.

[0016] In some embodiments of the utility model, first through -hole is set in the bottom of mounting position, and the fixing member is connected with mounting seat from first through -hole.

[0017] In some embodiments of the utility model, the mounting seat is provided with a fixing hole for cooperating with the fixing member.

[0018] In some embodiments of the utility model, the pre-limiting structure is arranged between the mounting seat and the shell for preventing the mounting seat from being separated from the mounting position.

[0019] In some embodiments of the utility model, the pre-limiting structure includes pre-limiting slot arranged on opposite sides of the mounting seat and pre-limiting buckle arranged on opposite sides in the mounting position, the pre-limiting buckle includes a vertical portion and a limiting portion arranged below the vertical portion and extending inwardly, and after the mounting seat is embedded in the mounting position, the limiting portion is located in the pre-limiting slot.

[0020] In some embodiments of the utility model, the mounting position is provided with a avoiding position on opposite sides, and the pre-limiting buckle is arranged in the mounting position, so that the vertical portion has a certain elasticity, and the limiting portion is embedded in the limiting slot.

[0021] In some embodiments of the utility model, the upper cover is rotatably connected with the mounting seat through the rotating shaft, the connecting arm is arranged on the upper cover, and the connecting arm is rotatably connected with the mounting seat.

[0022] In some embodiments of the utility model, the cover opening structure further includes a torsional spring sleeved on the rotating shaft, one end of the torsional spring abuts against the connecting arm, and the other end abuts against the mounting seat, so that the torsional spring exerts elastic force on the upper cover.

[0023] In some embodiments of the utility model, the torsional spring has a first branch arm and a second branch arm, the connecting arm is provided with a first step and a first clamping groove, the first branch arm abuts against the first step and is located in the first clamping groove.

[0024] In some embodiments of the utility model, the mounting seat includes:

[0025] The support portion is provided in the mounting position and serves to support;

[0026] The connecting portion has two and is provided above the support portion in parallel;

[0027] The fixing hole is provided inside the support portion and has an opening downward, and the upper cover is provided on the connecting portion and is rotationally connected with the connecting portion.

[0028] In some embodiments of the utility model, the support portion is hollow inside and is provided with an opening downward, the support portion is provided with a fixing column inside, a first reinforcing rib is provided between the fixing column and the inner wall of the support portion, and the fixing hole is provided on the fixing column. BRIEF DESCRIPTION OF DRAWINGS

[0029] The drawings described herein are used to provide further understanding of the utility model and form a part of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute improper limitation on the utility model.

[0030] Among them:

[0031] Figure 1 It is the schematic view of the cover opening structure of the utility model;

[0032] Figure 2 It is the schematic view of the cover opening structure of the utility model in the cover opening state;

[0033] Figure 3 It is the partial enlarged view of the utility model Figure 2 ;

[0034] Figure 4 It is the explosion view of the cover opening structure of the utility model;

[0035] Figure 5 It is the partial enlarged view of the shell of the utility model Figure 1 ;

[0036] Figure 6 It is the partial enlarged view of the shell of the utility modelFigure 2 ;

[0037] Figure 7 is a partial enlarged view of the utility model new upper cover;

[0038] Figure 8 is a partial exploded view of the utility model new cover structure;

[0039] Figure 9 is a partial enlarged view of the utility model new Figure 8 ;

[0040] Figure 10 is a structure schematic diagram of the utility model new mounting seat Figure 1 ;

[0041] Figure 11 is a structure schematic diagram of the utility model new mounting seat Figure 2 ;

[0042] Figure 12 is a sectional view of the utility model new mounting seat.

[0043] Label explanation:

[0044] 10, shell;11, installation site;111, first through hole;112, avoid site;12, pre-limiting buckle;121, vertical part;122, limiting part;20, mounting seat;21, support part;211, pre-limiting groove;2111, inclined groove;2112, vertical groove;212 hole site;22, connecting part;221, first connecting hole;23, fixed column;231, fixed hole;24, first reinforcing rib;30, upper cover;31, connecting arm;311, first step;312, first clamping groove;40, fixed part;50, rotating shaft;60, torsional spring. DETAILED DESCRIPTION

[0045] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0046] Please refer to Figures 1 to 12The utility model provides a heat sensitive printer uncovering structure, including: casing 10, mounting seat 20, upper cover 30, fixed part 40, set up mounting site 11 on casing 10, and mounting site 11 sets up at least one, mounting seat 20 sets up in the mounting site 11 of casing 10, and the number of mounting seat 20 corresponds the setting of mounting site 11, upper cover 30 is connected with mounting seat 20 rotation, and fixed part 40 is locked in the mounting site 11 of casing 10 to the mounting seat 20, the utility model discloses two mounting sites 11, and the corresponding mounting seat 20 also sets up two, namely can satisfy the stable uncovering, the uncovering structure of the utility model sets up mounting seat 20 for installing upper cover 30, specifically first installs upper cover 30 on mounting seat 20, then locking mounting seat 20 in mounting site 11 through fixed part 40, therefore need not open the hole in the lateral wall of casing 10, improve the aesthetic property of casing 10, and the rotating shaft 50 need not be exposed to the outside, play certain dustproof effect, avoid the influence of rotation of long-term use.

[0047] Specifically please refer to Figure 5 、 6 , 8, the bottom of mounting site 11 sets up first through -hole 111, and fixed part 40 passes through first through -hole 111 and is connected with mounting seat 20, wherein fixed part 40 adopts bolt, and fixed hole 231 is internal thread hole, and fixed part 40 is connected in screw thread after passing through first through -hole 111 with mounting seat 20, the utility model installs, first installs two mounting seats 20 to upper cover 30, if torsional spring 60 can install together, after installation, the mounting seat 20 with upper cover 30 is put into corresponding mounting site 11, then locking is carried out through fixed part 40, plays the function of fixed.

[0048] Specifically please refer to Figure 8 、 9 , 10, 12, when the mounting seat 20 with upper cover 30 is put into mounting site 11, and before locking fixed part 40, in order to prevent mounting seat 20 from falling from mounting site 11, therefore, pre-limiting structure for preventing mounting seat 20 from separating from mounting site 11 is arranged between mounting seat 20 and casing 10, specifically, the pre-limiting structure includes pre-limiting groove 211 arranged on opposite sides of mounting seat 20, and pre-limiting buckle 12 arranged on opposite sides in mounting site 11, the pre-limiting buckle 12 includes vertical part 121, limiting part 122 arranged below the vertical part 121 and extending inwardly, after the mounting seat 20 is embedded in the mounting site 11, the limiting part 122 is located in the pre-limiting groove 211. Therefore, the utility model adopts pre-assembly mode, and no continuous assembly force needs to be applied to the upper cover 30 and the shell in subsequent operation after the mounting seat 20 is embedded in the mounting site 11, thereby reducing labor intensity and improving assembly efficiency.

[0049] Specifically please refer to Figure 5 ,6 The opposite sides of the installation site 11 are provided with avoiding sites 112, and the pre-limiting buckle 12 is arranged in the installation site 11, so that the vertical part 121 has a certain elasticity, and the limiting part 122 is embedded in the limiting groove.

[0050] Specifically, please refer to Figures 2-4 , 7, 8, the upper cover 30 is rotationally connected with the mounting seat 20 through the rotating shaft 50, the connecting arm 31 is arranged on the upper cover 30 and rotationally connected with the mounting seat 20; the cover opening structure further comprises a torsional spring 60 which is sleeved on the rotating shaft 50, and one end of the torsional spring 60 abuts against the connecting arm 31 and the other end abuts against the mounting seat 20, so that the torsional spring 60 exerts a spring force on the upper cover 30, so that when the cover opening switch is opened, the upper cover 30 is automatically opened by the torsional spring 60. Specifically, the torsional spring 60 has a first branch arm and a second branch arm, the first step 311 and the first clamping groove 312 are arranged on the connecting arm 31, and the first branch arm abuts against the first step 311 and is located in the first clamping groove 312. In the embodiment, the two connecting arms 31 are not arranged in a symmetrical manner, but arranged in a side-by-side manner, so that the same specification or same model of torsional spring 60 can be used, thereby reducing the management cost of materials.

[0051] Specifically, please refer to Figure 8 The first connecting hole 221 for the rotating shaft 50 to pass through is arranged on the connecting part 212 hole site; 22, and the second connecting hole for the rotating shaft 50 to pass through is arranged on the connecting arm 31. During installation, the first connecting hole 221 is aligned with the second connecting hole, and then the rotating shaft 50 passes through the first connecting hole 221 and the second connecting hole. When the torsional spring 60 needs to be installed, the rotating shaft 50 passes through the first connecting hole 221 and the second connecting hole at the same time, and the torsional spring 60 is also passed through at the same time.

[0052] Specifically, please refer to Figures 10-12 The mounting seat 20 comprises: a supporting part 21, a connecting part 212 hole site; 22, the supporting part 21 plays a supporting role and is arranged in the installation site 11; the connecting part 212 hole site; 22 has two and is arranged side by side above the supporting part 21; the fixing hole 231 is arranged inside the supporting part 21 and has an opening downward, and the upper cover 30 is arranged on the connecting part 212 hole site; 22 and rotationally connected with the connecting part 212 hole site; 22. Specifically, the supporting part 21 is hollow inside and has an opening downward, the fixing column 23 is arranged inside the supporting part 21, the first reinforcing rib 24 is arranged between the fixing column 23 and the inner side wall of the supporting part 21, the firmness of the fixing column 23 is improved, and the fixing hole 231 is arranged on the fixing column 23. The fixing part 40 is threadedly connected with the fixing column 23 through the first through hole 111. The two connecting part 212 hole sites; 22, the supporting part 21, the fixing column 23 and the first reinforcing rib 24 adopt an integral structure, and the whole is a plastic part, the whole mounting seat 20 can be directly formed, and the processing is convenient.

[0053] Specifically, please refer toFigures 10-12 Pre-limiting grooves 211 are arranged on both sides of the support part 21; the pre-limiting grooves 211 comprise an inclined groove 2111 and a vertical groove 2112 arranged below the inclined groove 2111, the inclined groove 2111 is gradually inclined inward from top to bottom, and the limiting part 122 is located in the vertical groove 2112 after the mounting seat 20 is installed. A hole position for the one end of the torsion spring 60 to pass through is arranged on the support seat and inside the connecting seat, the number and the arranged position of the hole position can be selected according to the actual installation and the need, and the adaptability of the installation of the torsion spring 60 is improved. In the embodiment, in order to adapt to various assembly modes of the torsion spring 60, four hole positions are arranged, which are located in the hole position of the connecting part 212; the inside of the 22, and arranged in a 2*2 array mode; the hole position is arranged on the upper end of the support part 21 and communicates with the inside thereof so that the second branch arm of the torsion spring 60 is embedded in the support part 21.

[0054] The overall installation steps of the cap clamping structure are as follows:

[0055] The torsion spring 60 is placed in place according to the need, wherein the first branch arm is arranged corresponding to the first step 311 and the first clamping groove 312, the second branch arm can be inserted into the hole position, and then the shaft 50 passes through the first connecting hole 221, the second connecting hole and the torsion spring 60, so that the two mounting seats 20 are installed on the connecting arm 31. Since the mounting seat 20 and the upper cover 30 can be rotated arbitrarily during the installation process, when the shaft 50 is installed, it is not necessary to apply a continuous force to overcome the force generated by the torsion spring 60, and the assembly is relatively simple. Then, the two mounting seats 20 are placed into the two mounting positions 11, the limiting part 122 is located in the vertical groove 2112, and finally the fixing part 40 is screwed into the first through hole 111 and the fixing column 23.

[0056] In summary, the cap opening structure of the utility model is used for installing the upper cover by arranging the mounting seat, specifically, the upper cover is installed on the mounting seat first, and then the mounting seat is locked in the mounting position by the fixing part, so that the shell side wall does not need to be opened, the shell appearance is improved, the shaft does not need to be exposed outside, a certain dustproof effect is achieved, and the rotation is not affected by long-term use. Furthermore, the utility model is simple to manufacture as a whole, has a relatively high yield, is low in manufacturing cost, has low assembly process requirements, and is suitable for mass production.

[0057] The utility model is described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode, as long as various non-essential improvements are adopted by using the method concept and the technical scheme of the utility model, or the concept and the technical scheme of the utility model are directly applied to other occasions without improvement, all of which are within the protection scope of the utility model.

Claims

1. A thermal printer cover opening structure characterized by comprising: The utility model relates to a cover opening structure of a shell, which comprises the following: a shell, wherein a mounting position is arranged on the shell, and at least one mounting seat is arranged in the mounting position; a mounting seat, wherein the number of the mounting seats corresponds to the number of the mounting positions; an upper cover, wherein the upper cover is rotationally connected with the mounting seat; a fixing member, wherein the fixing member locks the mounting seat in the mounting position of the shell.

2. A thermal printer cover opening structure according to claim 1, wherein A first through hole is arranged at the bottom of the mounting position, and the fixing member passes through the first through hole to be connected with the mounting seat.

3. The thermal printer cover opening structure according to claim 1, wherein A fixing hole for cooperating with the fixing member is arranged at the bottom of the mounting seat.

4. The thermal printer cover opening structure according to claim 1, wherein A pre-limiting structure for preventing the mounting seat from being separated from the mounting position is arranged between the mounting seat and the shell.

5. A thermal printer cover opening structure according to claim 4, wherein The pre-limiting structure comprises pre-limiting grooves arranged on opposite sides of the mounting seat and pre-limiting buckles arranged on opposite sides in the mounting position, wherein the pre-limiting buckle comprises a vertical part and a limiting part arranged below the vertical part and extending inwardly, and after the mounting seat is embedded in the mounting position, the limiting part is located in the pre-limiting groove.

6. The thermal printer cover opening structure according to claim 1, wherein The upper cover is rotationally connected with the mounting seat through a rotating shaft, a connecting arm is arranged on the upper cover, and the connecting arm is rotationally connected with the mounting seat.

7. A thermal printer cover opening structure according to claim 6, wherein The cover opening structure further comprises a torsional spring sleeved on the rotating shaft, one end of the torsional spring abuts against the connecting arm, and the other end of the torsional spring abuts against the mounting seat, so that the torsional spring exerts an elastic force on the upper cover.

8. A thermal printer cover opening structure according to claim 7, wherein The torsional spring has a first branch and a second branch, a first step and a first clamping groove are arranged on the connecting arm, the first branch abuts against the first step and is located in the first clamping groove.

9. The thermal printer cover opening structure according to claim 1, wherein The mounting seat comprises: a supporting part, wherein the supporting part has a supporting function and is arranged in the mounting position; two connecting parts, wherein the two connecting parts are arranged side by side above the supporting part; the fixing hole is arranged inside the supporting part and has a downward opening, and the upper cover is arranged on the connecting part and is rotationally connected with the connecting part.

10. A thermal printer cover opening structure according to claim 9, wherein The supporting part is hollow and has an opening arranged below, a fixing column is arranged inside the supporting part, a first reinforcing rib is arranged between the fixing column and the inner wall of the supporting part, and the fixing hole is arranged on the fixing column.

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