Adaptive paper loading structure for barcode printer

Abstract

The present invention provides an adaptive paper loading structure for a barcode printer, comprising: a middle frame, an upper cover, and a paper loading mechanism. The adaptive paper loading mechanism includes two opposing paper loading mechanisms, one of which is fixedly mounted on the middle frame, and the other is adjustably connected to the middle frame. The adjustably connected paper loading block is provided with a rotatable switch and a locking member. The inner side of the upper portion of the switch member is exposed within the middle frame, and the lower end is in sliding contact with the locking member. The locking member and the middle frame are elastically connected, and a locking block is further provided at the lower portion of the locking member. When the switch member is pressed, a sliding inclined surface at the lower end of the switch member slides with a sliding protrusion on one end of the locking member, pressing down one end of the locking member, causing the locking block to disengage from a slot. The paper loading block can be moved back and forth to adjust according to different sizes of a paper roll, thereby adapting the paper roll to the assembly. The locking member and the middle frame can be quickly locked by releasing the switch member. Adjustment is convenient and quick, and the paper roll can be quickly assembled.

Description

Technical Field

[0001] The invention belongs to the technical field of barcode printers, and in particular relates to an adaptive paper loading structure of a barcode printer. Background Art

[0002] A printer is an electronic device used to convert data from a computer or other digital device into visible text or images, usually output on paper. Printers are common office automation devices in offices and homes, used to print documents, reports, pictures, and more.

[0003] The barcode printer has a paper roll installed inside, which forms a single barcode paper after printing. Since barcode paper has various specifications and different sizes of barcode paper, currently, barcode printers can usually only be adapted to the assembly and printing of one specification of paper roll, and have poor versatility. Summary of the Invention

[0004] The object of the present invention is to provide an adaptive paper loading structure for a barcode printer to solve the problems raised in the above background technology.

[0005] In view of this, the present invention provides an adaptive paper loading structure for a barcode printer, comprising:

[0006] middle frame;

[0007] The upper cover is rotatably connected to the middle frame, and a receiving space for accommodating the rotation of the paper roll is formed between the middle frame and the upper cover;

[0008] A paper loading mechanism is used for assembling a paper roll, so that the paper roll can be rotatably mounted on the paper loading mechanism. The paper loading mechanism is provided in two sets and is detachably mounted on the middle frame in an opposite direction. The paper loading mechanism on one side is fixed in position, while the paper loading mechanism on the other side is adjustably connected to the middle frame, so that one paper loading mechanism can be moved closer to or further away from the other, thereby accommodating the assembly of paper rolls of various specifications.

[0009] One of the paper loading mechanisms is provided with an adjusting mechanism, which includes a pressing part and a positioning part. The positioning part is rotatably connected to one of the paper loading mechanisms and the bottom of one end is engaged with the middle frame in a positioning manner, so that one of the paper loading mechanisms can be limited and fixed between the middle frame, and the positioning part and the middle frame are also elastically connected. The pressing part is rotatably connected to the paper loading mechanism and is slidably connected between the lower part and the upper part of one end of the positioning part. At least part of the pressing part is exposed to the inner side of the paper loading mechanism. When the pressing part is pressed, the pressing part can rotate, so that one end of the positioning part is separated from the middle frame through sliding engagement, thereby releasing the locking state between the paper loading mechanism and the middle frame.

[0010] In the present invention, a further implementation scheme is that the paper loading mechanism is a paper loading block, and a first positioning groove and a second positioning groove are provided on the paper loading block. The pressing part is rotatably connected in the first positioning groove, and the second positioning groove is rotatably connected in the second positioning groove. The upper part of the pressing part is exposed to the inner side of the paper loading block, and the lower part of the pressing part abuts against one end of the upper part of the positioning part, and the upper part of the other end of the positioning part is elastically connected to the middle frame. In a natural state, the pressing part is vertical, the positioning part is horizontally arranged and the bottom is clamped on the middle frame so that the paper loading block and the middle frame are relatively fixed. When the inner side of the upper part of the pressing part is pressed, the positioning part is tilted and separated from the middle frame.

[0011] In the present invention, a further implementation scheme is that the pressing part is a switch part, and the switch part is rotatably connected to the first positioning groove through a pin. The inner side of the upper part of the switch part is a recessed pressing position, and the pressing position faces the inner side of the middle frame. The bottom end of the switch part forms a sliding slope, and the sliding slope cooperates with the positioning part.

[0012] In the present invention, a further implementation scheme is that the positioning part is a locking piece, and the locking piece is rotatably connected to the second positioning groove through a pin, and a sliding protrusion is formed on the upper part of one end of the locking piece, and a receiving groove is formed on the upper part of the other end, and a spring is placed on the receiving groove, and the upper end of the spring abuts the middle frame, and the sliding protrusion is an arc-shaped surface, and a sliding fit can be generated between the sliding inclined surface and the sliding protrusion so that when the switch rotates, the sliding inclined surface slides upward along the sliding protrusion to press down one end of the locking piece. At this time, the spring is compressed, so that the lower part of the other end of the locking piece is unlocked from the middle frame.

[0013] In the present invention, a further embodiment is that a clamping block is protruded from the lower portion of the locking member, and the clamping block is located at the lower portion of the same side of the accommodating groove.

[0014] In the present invention, a further implementation scheme is that the middle frame is provided with a supporting surface below the locking member, and a plurality of equally spaced slots are provided along the length of the supporting surface, and the card blocks are snap-fitted into the slots.

[0015] In the present invention, a further implementation scheme is that a paper loading ring is also connected to the paper loading block, a connecting block is provided on the inner side of the paper loading block, the paper loading ring is screwed onto the connecting block, the middle of the paper loading ring is a positioning ring, the inner wall of the positioning ring is circumferentially protruded with positioning ribs, wrenches are provided on the upper and lower outer sides of the positioning ring, the two ends of the paper roll can pass through the positioning ring, and the positioning ribs are against the outside of the paper roll.

[0016] The beneficial effects of the present invention are:

[0017] The adaptive paper loading mechanism includes two opposing paper loading mechanisms, one of which is fixedly assembled on the middle frame, and the other is adjustably connected to the middle frame. The adjustably connected paper loading block is provided with a rotatable switch member and a locking member, wherein the inner side of the upper portion of the switch member is exposed in the middle frame, and the lower end is in sliding contact with the locking member. The locking member and the middle frame are elastically connected, and a card block is further provided at the lower portion of the locking member. When the switch member is pressed, the sliding inclined surface at the lower end of the switch member slides with the sliding protrusion on one end of the locking member, and one end of the locking member is pressed downward, so that the card block is disengaged from the card slot, so that the paper loading block can be moved back and forth for adjustment according to the size of the paper roll to adapt to the assembly of the paper roll. The locking member and the middle frame can be quickly locked by loosening the switch member. The adjustment is convenient and quick, the paper roll can be quickly assembled, and the work efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the overall structure of the present invention after removing the paper roll;

[0020] Figure 3 This is a schematic structural diagram of the locking block of the present invention in a locked state;

[0021] Figure 4 This is a schematic structural diagram of the locking block of the present invention in an open state;

[0022] Figure 5 It is a structural diagram of the paper block. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0024] In the description of this application, it should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0025] It should be noted that the terms "first," "second," etc. in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than those illustrated or described herein, and that the objects distinguished by "first," "second," etc. are generally of the same type, and do not limit the number of objects. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0026] It should be noted that, in the description of this application, the directions or positional relationships indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional terms do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional terms "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0027] It should be noted that, in the present application, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0028] Example 1

[0029] like Figures 1-4 This embodiment provides an adaptive paper loading structure for a barcode printer, including:

[0030] Middle frame 1;

[0031] The upper cover 2 is rotatably connected to the middle frame 1, and a accommodating space for accommodating the rotation of the paper roll 3 is formed between the middle frame 1 and the upper cover 2;

[0032] The paper loading mechanism is used for assembling the paper roll 3 so that the paper roll 3 can be rotatably set on the paper loading mechanism. The paper loading mechanism is provided with two groups and is detachably arranged on the middle frame 1 opposite to each other. The paper loading mechanism on one side is fixed in position, and the paper loading mechanism on the other side is adjustably connected to the middle frame 1 so that one paper loading mechanism can be close to or away from the other paper loading mechanism, so that it can adapt to the assembly of paper rolls 3 of various specifications. That is, according to the different specifications of the paper roll 3, the position of one of the paper loading mechanisms is adjusted and moved to change the spacing, thereby realizing adaptive adjustment of paper loading and improving versatility.

[0033] In this embodiment, an adjustment mechanism is provided on one of the paper loading mechanisms, and the adjustment mechanism includes a pressing part and a positioning part. The positioning part is rotatably connected to one of the paper loading mechanisms and the bottom of one end is positioned and engaged with the middle frame 1, so that one of the paper loading mechanisms can be limited and fixed between the middle frame 1, and the positioning part and the middle frame 1 are also elastically connected. The pressing part is rotatably connected to the paper loading mechanism and is slidably connected between the lower part and the upper part of one end of the positioning part. At least part of the pressing part is exposed to the inner side of the paper loading mechanism. When the pressing part is pressed, the pressing part can rotate, so that one end of the positioning part is separated from the middle frame 1 through sliding engagement, thereby releasing the locking state between the paper loading mechanism and the middle frame 1. Adjustment can be quickly performed with one hand, and operation is convenient.

[0034] In the present invention, a further implementation scheme is that the paper loading mechanism is a paper loading block 4, and the paper loading block 4 is provided with a first positioning groove 45 and a second positioning groove 46, the pressing part is rotatably connected in the first positioning groove 45, and the second positioning groove 46 is rotatably connected in the second positioning groove 46, the upper part of the pressing part is exposed to the inner side of the paper loading block 4, so that the finger can press the pressing part from inside the middle frame 1 during adjustment. Secondly, the lower part of the pressing part abuts against one end of the upper part of the positioning part, and the upper part of the other end of the positioning part is elastically connected to the middle frame 1. In the natural state, the pressing part is vertical, the positioning part is horizontally arranged and the bottom is clamped on the middle frame 1 so that the paper loading block 4 and the middle frame 1 are relatively fixed. When the inner side of the upper part of the pressing part is pressed, the positioning part is tilted and separated from the middle frame 1. After the pressing part is released, the elastic force quickly resets the positioning part to quickly fix it with the middle frame 1, so that the paper loading block 4 is fixed.

[0035] In this embodiment, the pressing part is a switch member 5, which is rotatably connected to the first positioning groove 45 via a pin 7. The inner side of the upper part of the switch member 5 is a recessed pressing position 50, which faces the inner side of the middle frame 1. The bottom end of the switch member 5 forms a sliding slope 51, which cooperates with the positioning part. When the switch member 5 is released, the positioning part resets and pushes the switch member 5 to reset.

[0036] When the switch 5 is pressed, the switch 5 rotates, the sliding inclined surface 51 slides toward the outer surface of the sliding protrusion 60, and the locking member 6 also rotates, so that the locking member 6 is lifted up away from the other side of the switch 5 and disengaged from the middle frame 1. The paper loading block 4 can be pulled to move quickly.

[0037] Furthermore, a protruding block 63 is provided on the lower portion of the locking member 6. The block 63 is located at the lower portion of the same side as the receiving slot 61. Below the locking member 6, the middle frame 1 has a supporting surface 10. Several equally spaced slots 11 are formed along the length of the supporting surface 10. The block 63 engages with the slots 11, and the engagement between each slot 11 and the block 63 allows for quick securing of the paper loading block 4. When the switch member 5 is pressed, the sliding slope 51 at the lower end of the switch member 5 slides with the sliding protrusion 60 on one end of the locking member 6, pressing down on one end of the locking member 6 and disengaging the block 63 from the slot 11. This allows the paper loading block 4 to be moved back and forth to adjust according to the size of the paper roll 3, thereby adapting the paper roll 3 to the desired assembly. Releasing the switch member 5 quickly locks the locking member 6 and the middle frame 1, making adjustment convenient and quick, enabling rapid assembly of the paper roll 3 and high work efficiency.

[0038] Example 2

[0039] An adaptive paper loading structure for a barcode printer, comprising:

[0040] Middle frame 1;

[0041] The upper cover 2 is rotatably connected to the middle frame 1, and a accommodating space for accommodating the rotation of the paper roll 3 is formed between the middle frame 1 and the upper cover 2;

[0042] The paper loading mechanism is used for assembling the paper roll 3 so that the paper roll 3 can be rotatably set on the paper loading mechanism. The paper loading mechanism is provided with two groups and is detachably arranged on the middle frame 1 opposite to each other. The paper loading mechanism on one side is fixed in position, and the paper loading mechanism on the other side is adjustably connected to the middle frame 1 so that one paper loading mechanism can be close to or away from the other paper loading mechanism, so that it can adapt to the assembly of paper rolls 3 of various specifications. That is, according to the different specifications of the paper roll 3, the position of one of the paper loading mechanisms is adjusted and moved to change the spacing, thereby realizing adaptive adjustment of paper loading and improving versatility.

[0043] In this embodiment, an adjustment mechanism is provided on one of the paper loading mechanisms, and the adjustment mechanism includes a pressing part and a positioning part. The positioning part is rotatably connected to one of the paper loading mechanisms and the bottom of one end is positioned and engaged with the middle frame 1, so that one of the paper loading mechanisms can be limited and fixed between the middle frame 1, and the positioning part and the middle frame 1 are also elastically connected. The pressing part is rotatably connected to the paper loading mechanism and is slidably connected between the lower part and the upper part of one end of the positioning part. At least part of the pressing part is exposed to the inner side of the paper loading mechanism. When the pressing part is pressed, the pressing part can rotate, so that one end of the positioning part is separated from the middle frame 1 through sliding engagement, thereby releasing the locking state between the paper loading mechanism and the middle frame 1. Adjustment can be quickly performed with one hand, and operation is convenient.

[0044] In the present invention, a further implementation scheme is that the paper loading mechanism is a paper loading block 4, and the paper loading block 4 is provided with a first positioning groove 45 and a second positioning groove 46, the pressing part is rotatably connected in the first positioning groove 45, and the second positioning groove 46 is rotatably connected in the second positioning groove 46, the upper part of the pressing part is exposed to the inner side of the paper loading block 4, so that the finger can press the pressing part from inside the middle frame 1 during adjustment. Secondly, the lower part of the pressing part abuts against one end of the upper part of the positioning part, and the upper part of the other end of the positioning part is elastically connected to the middle frame 1. In the natural state, the pressing part is vertical, the positioning part is horizontally arranged and the bottom is clamped on the middle frame 1 so that the paper loading block 4 and the middle frame 1 are relatively fixed. When the inner side of the upper part of the pressing part is pressed, the positioning part is tilted and separated from the middle frame 1. After the pressing part is released, the elastic force quickly resets the positioning part to quickly fix it with the middle frame 1, so that the paper loading block 4 is fixed.

[0045] In this embodiment, the pressing part is a switch member 5, which is rotatably connected to the first positioning groove 45 via a pin 7. The inner side of the upper part of the switch member 5 is a recessed pressing position 50, which faces the inner side of the middle frame 1. The bottom end of the switch member 5 forms a sliding slope 51, which cooperates with the positioning part. When the switch member 5 is released, the positioning part resets and pushes the switch member 5 to reset.

[0046] When the switch 5 is pressed, the switch 5 rotates, the sliding inclined surface 51 slides toward the outer surface of the sliding protrusion 60, and the locking member 6 also rotates, so that the locking member 6 is lifted up away from the other side of the switch 5 and disengaged from the middle frame 1. The paper loading block 4 can be pulled to move quickly.

[0047] Furthermore, a protruding block 63 is provided on the lower portion of the locking member 6. The block 63 is located at the lower portion of the same side as the receiving slot 61. Below the locking member 6, the middle frame 1 has a supporting surface 10. Several equally spaced slots 11 are formed along the length of the supporting surface 10. The block 63 engages with the slots 11, and the engagement between each slot 11 and the block 63 allows for quick securing of the paper loading block 4. When the switch member 5 is pressed, the sliding slope 51 at the lower end of the switch member 5 slides with the sliding protrusion 60 on one end of the locking member 6, pressing down on one end of the locking member 6 and disengaging the block 63 from the slot 11. This allows the paper loading block 4 to be moved back and forth to adjust according to the size of the paper roll 3, thereby adapting the paper roll 3 to the desired assembly. Releasing the switch member 5 quickly locks the locking member 6 and the middle frame 1, making adjustment convenient and quick, enabling rapid assembly of the paper roll 3 and high work efficiency.

[0048] In this embodiment, Figure 2 , the paper loading block 4 is also connected to a paper loading ring 40, and a connecting block 41 is provided on the inner side of the paper loading block 4, and the paper loading ring 40 is screwed onto the connecting block 41. The middle of the paper loading ring 40 is a positioning ring 42, and the inner wall of the positioning ring 42 is circumferentially protruded with a positioning rib 43, and wrenches 44 are provided on the upper and lower outer sides of the positioning ring 42. The two ends of the paper roll 3 can pass through the positioning ring 42, and the positioning rib 43 is against the outer side of the paper roll 3. The two ends of the paper roll 3 are inserted into the paper loading ring 40, and can be detachably installed through the paper loading ring 40, so that a variety of paper loading rings 40 of different specifications can be installed. The positioning ribs 43 on the paper loading rings 40 of different specifications have different heights, so it can be used for the adaptive assembly of a variety of paper rolls 3 with different inner diameters.

[0049] The embodiments of the present application are described above in conjunction with the accompanying drawings. Unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. An adaptive paper loading structure for a barcode printer, characterized in that: include: middle frame; The upper cover is rotatably connected to the middle frame, and a receiving space for accommodating the rotation of the paper roll is formed between the middle frame and the upper cover; A paper loading mechanism is used for assembling a paper roll, so that the paper roll can be rotatably mounted on the paper loading mechanism. The paper loading mechanism is provided in two sets and is detachably mounted on the middle frame in an opposite direction. The paper loading mechanism on one side is fixed in position, while the paper loading mechanism on the other side is adjustably connected to the middle frame, so that one paper loading mechanism can be moved closer to or further away from the other, thereby accommodating the assembly of paper rolls of various specifications. One of the paper loading mechanisms is provided with an adjusting mechanism, which includes a pressing part and a positioning part. The positioning part is rotatably connected to the one of the paper loading mechanisms and the bottom of one end is engaged with the middle frame in a positioning manner, so that the one of the paper loading mechanisms can be limited and fixed between the middle frame, and the positioning part and the middle frame are also elastically connected. The pressing part is rotatably connected to the paper loading mechanism and is slidably connected between the lower part and the upper part of one end of the positioning part. At least part of the pressing part is exposed to the inner side of the paper loading mechanism. When the pressing part is pressed, the pressing part can rotate, so that one end of the positioning part is separated from the middle frame through sliding engagement, thereby releasing the locking state between the paper loading mechanism and the middle frame.

2. The adaptive paper loading structure of a barcode printer according to claim 1, characterized in that: The paper loading mechanism is a paper loading block, and a first positioning groove and a second positioning groove are provided on the paper loading block. The pressing part is rotatably connected in the first positioning groove, and the positioning part is rotatably connected in the second positioning groove. The upper part of the pressing part is exposed to the inner side of the paper loading block, and the lower part of the pressing part abuts against one end of the upper part of the positioning part, and the upper part of the other end of the positioning part is elastically connected to the middle frame. In a natural state, the pressing part is vertical, and the positioning part is horizontally arranged and the bottom is clamped on the middle frame so that the paper loading block and the middle frame are relatively fixed. When the inner side of the upper part of the pressing part is pressed, the positioning part is tilted and separated from the middle frame.

3. The adaptive paper loading structure of a barcode printer according to claim 2, characterized in that: The pressing part is a switch part, which is rotatably connected to the first positioning groove through a pin. The inner side of the upper part of the switch part is a recessed pressing position, which faces the inner side of the middle frame. The bottom end of the switch part forms a sliding inclined surface, which cooperates with the positioning part.

4. The adaptive paper loading structure of a barcode printer according to claim 3, characterized in that: The positioning part is a locking piece, which is rotatably connected to the second positioning groove by a pin, and a sliding protrusion is formed on the upper part of one end of the locking piece, and a receiving groove is formed on the upper part of the other end. A spring is placed on the receiving groove, and the upper end of the spring abuts the middle frame. The sliding protrusion is an arc-shaped surface, and a sliding fit can be generated between the sliding inclined surface and the sliding protrusion so that when the switch piece rotates, the sliding inclined surface slides upward along the sliding protrusion to press down one end of the locking piece. At this time, the spring is compressed, so that the lower part of the other end of the locking piece is unlocked from the middle frame.

5. The adaptive paper loading structure of a barcode printer according to claim 4, characterized in that: A clamping block is protruding from the lower portion of the locking member, and the clamping block is located at the lower portion of the same side of the accommodating groove.

6. The adaptive paper loading structure of a barcode printer according to claim 5, characterized in that: The middle frame is provided with a supporting surface below the locking member. A plurality of equally spaced card slots are provided along the length of the supporting surface. The card blocks are engaged with the card slots.

7. The adaptive paper loading structure of a barcode printer according to claim 2, characterized in that: The paper loading block is also connected to a paper loading ring, and a connecting block is provided on the inner side of the paper loading block. The paper loading ring is screwed onto the connecting block. The middle of the paper loading ring is a positioning ring, and the inner wall of the positioning ring is circumferentially protruded with positioning ribs. Wrenches are provided on the upper and lower sides of the outer side of the positioning ring. Both ends of the paper roll can pass through the positioning ring, and the positioning ribs press against the outer side of the paper roll.

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