Printing consumable box

Abstract

The printing consumable box comprises a shell, a paper tape, a roll core, a thermal transfer ribbon, a supply shaft and a recovery shaft, the shell comprises a first box body, a connecting arm and a second box body, the first box body is provided with a first cavity and an outlet, the second box body is provided with a second cavity and an inlet, a paper feeding channel is formed in the position of the connecting arm, and the first cavity, the outlet, the paper feeding channel, the inlet and the second cavity are sequentially communicated; the roll core and the supply shaft are arranged in the first cavity, the recovery shaft is arranged in the second cavity, the paper tape is wound outside the roll core, and the thermal transfer ribbon is wound between the supply shaft and the recovery shaft; the first box body comprises a first box body and a first cover, the second box body comprises a second box body and a second cover, and the first box body, the connecting arm and the second box body are connected; the first box body is provided with a first mounting port opened along the radial direction of the roll core, and the roll core and the supply shaft are mounted through the first mounting port; the second box body is provided with a second installation opening opened in the radial direction of the recycling shaft, and the recycling shaft is installed through the second installation opening. The assembly difficulty is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of printing consumables, and in particular to an integrated printing consumable box integrating a carbon ribbon and a paper ribbon. Background Art

[0002] An integrated printing consumables box for thermal transfer printing includes a shell, which includes a larger main box body and a smaller sub-box body arranged at intervals in front and back, and two connecting arms arranged at intervals in the left and right to connect the main box body and the sub-box body. The main box body forms a main cavity and an outlet, and the sub-box body forms a sub-cavity and an inlet. A paper feeding channel opened up and down is formed between the two connecting arms, and the outlet and the inlet are opposite to each other through the paper feeding channel.

[0003] The integrated printing consumables box also includes a paper tape and its winding core, a carbon tape and its supply shaft, and its recovery shaft. The winding core and the supply shaft are both installed in the main cavity, the winding core is located at the first axis, the supply shaft is located at the second axis, and the recovery shaft is installed at the third axis in the sub-cavity. The paper tape is wound on the winding core, and after the paper tape is led out, it extends out from the outlet and reaches the paper feed channel. The carbon ribbon is wound on the supply shaft, and after the carbon ribbon is led out from the supply shaft, it extends out from the outlet and reaches the paper feed channel; the paper tape and the carbon ribbon are overlapped at the paper feed channel and the two cooperate with the heating head and the rubber roller to complete the thermal transfer. The printed paper tape is sent out from the opening of the paper feed channel, and the used carbon ribbon enters the sub-cavity from the entrance and is wound and recovered by the recovery shaft.

[0004] The shell of the existing integrated printing consumables box is configured in the form of two half shells divided into left and right halves, with the left and right directions being the axial directions of the winding core, the supply shaft and the recycling shaft, and the two half shells each including half of the main box body, half of the auxiliary box body and a connecting arm. When assembling the consumables box, one half shell needs to be laid first, the carbon ribbon and its supply shaft and recycling shaft, as well as the paper ribbon and its winding core need to be axially installed into the half shell, and then the other half shell needs to be covered from top to bottom.

[0005] In fact, this assembly method is quite difficult. After the supply shaft, recovery shaft and winding core are installed downwards to the lying half shell, the downward end of the three can be positioned, and the other end of the three facing upwards must also be accurately positioned so that the other half shell can be accurately matched when it is closed. First of all, the components that need to be accurately positioned at this time include but are not limited to the above-mentioned supply shaft, recovery shaft and winding core, and the number of components is relatively large; then, the supply shaft, recovery shaft and winding core are all rotating structures, and there must be matching clearances. In the absence of external auxiliary support, due to looseness, their other ends facing upwards will inevitably not be able to maintain the correct position.

[0006] Therefore, the probability of the other half shell closing down and being able to accurately dock with multiple components at the same time is extremely low. In addition, during the closing process, it is impossible to support the components from between the two half shells to prevent the two half shells from closing. It can be seen that this assembly method is extremely difficult and affects production efficiency. On the other hand, the axial end of the recovery shaft needs to be connected to a gear to mesh with the gear set of the printer. In this way, the gear can only be installed after the two half shells are assembled, which is not conducive to the modular production and assembly of each component. The number of production process steps increases, which also affects production efficiency. Summary of the invention

[0007] The object of the present invention is to provide an integrated printing consumables box which reduces the difficulty of assembly and improves production efficiency.

[0008] The printing consumables box provided by the present invention comprises a shell, a paper tape, a winding core, a carbon tape, a supply shaft and a recycling shaft. The shell comprises a first box body, a connecting arm and a second box body connected in sequence along a first direction. The first box body is provided with a first cavity and an outlet, the second box body is provided with a second cavity and an inlet, a paper feeding channel is formed at the connecting arm, and the first cavity, the outlet, the paper feeding channel, the inlet and the second cavity are connected in sequence; the winding core and the supply shaft are arranged in the first cavity, the recycling shaft is arranged in the second cavity, the paper tape is wound outside the winding core, and the carbon tape is wound between the supply shaft and the recycling shaft; the first box body comprises a first box body and a first cover, and the first box body and the first cover are combined to form a The first cavity is formed, the second box body includes a second box body and a second cover, the second box body and the second cover are covered to form the second cavity, and the connecting arm is connected between the first box body and the second box body; at least a part of the first cavity is arranged on the first box body, the first box body is provided with a first mounting port of the first cavity, the first mounting port is opened along the radial direction of the winding core and the first mounting port is communicated with the outlet, and the winding core and the supply shaft are installed through the first mounting port; at least a part of the second cavity is arranged on the second box body, the second box body is provided with a second mounting port of the second cavity, the second mounting port is opened along the radial direction of the recovery shaft and the second mounting port is communicated with the inlet, and the recovery shaft is installed through the second mounting port.

[0009] As can be seen from the above scheme, the present invention mainly improves the shell structure of the left and right half shells in the background technology into a structure in which the first box body and the second box body can be radially opened and covered with a cover. Under this setting, the paper roll including the paper tape and the winding core, the carbon ribbon and its supply shaft and the recovery shaft can be placed in the corresponding cavity in the radial direction. In this way, the paper roll and the carbon ribbon assembly are placed in one step, there is no problem of axial positioning difficulty, and the covering is not affected after the placement is completed, so the assembly is simple. In particular, the carbon ribbon and its supply shaft and recovery shaft, the carbon ribbon is flexible and loose, and the outlet or inlet is narrow. In the past, the carbon ribbon was difficult to align with the outlet or inlet during the process of axially placing the half shell and covering the other half shell, which caused great obstacles. In the present invention, the first installation port is connected to the outlet and the second installation port is connected to the inlet. When placing the carbon ribbon and its supply shaft and recovery shaft, the problem of the carbon ribbon is not considered. After the supply shaft is placed in the first cavity and the recovery shaft is placed in the second cavity, the carbon ribbon naturally reaches the outlet, the paper feeding channel and the inlet. It can be seen that the present invention is aimed at the integrated printing consumables box, which greatly reduces the difficulty of assembling the consumables box and effectively improves production efficiency.

[0010] A further solution is that the printing consumables box also includes a support member, which includes a first axis segment and a second axis segment that are relatively arranged along the axial direction of the core, the first axis segment is sleeved with the core, and the second axis segment is supported by the first box body, and the support member is installed into the first cavity through the first installation port together with the core.

[0011] As can be seen from the above, the background art has a protruding short shaft inside the half shell for inserting the winding core to achieve positioning. However, since the paper roll of the present invention is installed radially, the protruding short shaft in the first box body will hinder the insertion of the paper roll. In view of this problem, the present invention adds a support member, the first shaft section of the support member replaces the existing short shaft and is sleeved with the winding core, and the second shaft section of the support member is supported and positioned by the internal structure of the first box body.

[0012] A further solution is that the first box body is provided with a first axis center positioning groove, the first axis center positioning groove is connected with the first cavity, and the first axis center positioning groove extends from the first installation port to the axis center of the winding core, and the second axis section is placed in the first axis center positioning groove; the first box body is provided with a second axis center positioning groove, the second axis center positioning groove is connected with the first cavity, and the second axis center positioning groove extends from the first installation port to the axis center of the supply shaft, and the supply shaft is placed in the second axis center positioning groove; the second box body is provided with a third axis center positioning groove, the third axis center positioning groove is connected with the second cavity, and the third axis center positioning groove extends from the second installation port to the axis center of the recovery shaft, and the recovery shaft is placed in the third axis center positioning groove.

[0013] As can be seen from the above, since the axis positioning grooves all extend from the corresponding installation openings to the corresponding axis centers, when placing the paper roll, supply shaft or recycling shaft, the axis center positioning grooves can be used to guide the shaft components to the correct axis center position without completely aligning the axis center. This setting further reduces the difficulty of placing components and further improves the assembly efficiency of the consumable box.

[0014] A further solution is to include at least one of the following: the junction between the first box body and the first cover is located at the axis of the core, at least a portion of the first cavity is arranged on the first cover, the first cover is also provided with a fourth axis positioning groove, the fourth axis positioning groove and the first axis positioning groove are opposite to each other and constitute a first axis positioning hole, and the second axis section is located in the first axis positioning hole; the first cover is provided with a fifth axis positioning groove, the fifth axis positioning groove is opposite to the second axis positioning groove and constitutes the second axis positioning hole, and the supply axis is located in the second axis positioning hole; the second cover is provided with a sixth axis positioning groove, the sixth axis positioning groove is opposite to the third axis positioning groove and constitutes the third axis positioning hole, and the recovery axis is located in the third axis positioning hole.

[0015] As can be seen from the above, although the axis positioning groove of the box body can position the winding core, supply shaft and recovery shaft to the accurate axis position during the assembly process, since these internal structures of the consumable box are in a state of force and self-rotation during operation, the winding core, supply shaft and recovery shaft may jump and deviate from the axis position after being stressed, thereby affecting printing. For this reason, the present invention also provides another axis positioning groove on the first cover and the second cover opposite to the axis positioning groove on the box body, and the two opposite semicircular positioning grooves constitute a circular axis positioning hole, thereby further stably limiting these rotating parts to a fixed axis position.

[0016] A further solution is to include at least one of the following: a first axial positioning hole axially extends to the outside of the first box body; a second axial positioning hole axially extends to the outside of the second box body; a third axial positioning groove and a third axial positioning hole axially extend to the outside of the second box body.

[0017] As can be seen from the above, both the supply shaft and the recovery shaft need to be driven, and the second axial center positioning hole where the axial section of the supply shaft is located and the third axial center positioning hole where the axial end of the recovery shaft is located need to be connected to the outside of the box body; in particular, the recovery shaft, its axial end needs to be connected to a gear and the gear needs to be set to the outside of the second box body. The axial penetration design of the third axial center positioning groove allows the recovery shaft to be assembled, that is, it can be placed in the second box body after the complete gear set and forming an integral module, and the gear will not hinder the placement process. In addition, the present application does not use the raised short shaft in the half shell of the background technology to position the core, but uses a support member instead. Since the short shaft and the side wall for the short shaft to be based are not required at the first axis, the first axial center positioning hole is set to penetrate axially to the outside of the first box body, which can eliminate the wall thickness on both sides of the outer shell and reduce the width of the outer shell.

[0018] A further solution is that the first box body is provided with a first arc-line convex edge, the first arc-line convex edge protrudes from the surface of the first box body, the center of the first arc-line convex edge coincides with the axis of the winding core, and the first arc-line convex edge is provided along the edge of the first axis positioning groove, and the first arc-line convex edge is used for axial positioning cooperation with the printer; and / or, the first box body is also provided with a positioning protrusion protruding from its own surface, the protruding direction of the positioning protrusion is perpendicular to the axial direction, and the positioning protrusion is used for axial positioning cooperation with the printer.

[0019] As can be seen from the above, although the side walls of the box body and the side walls of the cover both restrict the positioning of the second axial section of the support, only the thinner side walls are used to bear the gravity of the paper roll, the roll core and the support, as well as the force generated by the rotation. In particular, when the box body and the cover are separated from each other, the integrity of the side walls is destroyed, and the strength of the side walls is weakened. Therefore, the present invention also provides a first arc protrusion for reinforcement at the edge of the first axis positioning groove to strengthen the strength of the side wall at the stress-bearing position. On the other hand, the outer contour of the first arc protrusion can also be used to perform axis positioning with the concave position of the printer to ensure that the consumable box and the printer are assembled stably and reliably. The first arc protrusion has a structure that realizes the dual functions of structural reinforcement and axis positioning in cooperation with the printer. In addition, the positioning protrusion is used to perform axial positioning cooperation with the printer to ensure that the consumable box and the printer are assembled stably and reliably.

[0020] A further solution is that the first box body is provided with a first flange, the first flange protrudes from the surface of the first box body, and the first flange is provided along the edge of the first box body located at the joint, and the first flange is connected to the first arc flange; the first cover is provided with a second arc flange and a second flange connected to each other, the second arc flange and the second flange both protrude from the surface of the first cover, and the center of the second arc flange coincides with the axis of the winding core and the second arc flange is provided along the edge of the fourth axis positioning groove, the second arc flange is used for axis positioning cooperation with the printer, and the second flange is provided along the edge of the first cover located at the joint; the first flange and the second flange are opposite and cooperated along the covering direction of the first cover.

[0021] As can be seen from the above, similar to the first arc-line protrusion, the second arc-line protrusion has a structure that realizes the dual functions of structural reinforcement and axial positioning in coordination with the printer; and the setting of the first flange and the second flange can also strengthen the structural strength of the box body and the cover at the joint, and the first flange and the second flange with a larger width are convenient for arranging more structures to cooperate with each other so that the box body and the cover are more stably and firmly combined.

[0022] A further solution is to include at least one of the following: a first latching protrusion is provided on the first flange, a second latching groove is provided on the second flange, and the first latching protrusion cooperates with the second latching groove along the covering direction; a first latching groove is provided on the first flange, a second latching protrusion is provided on the second flange, and the second latching protrusion cooperates with the first latching groove along the covering direction; a positioning column is provided on one of the first flange and the second flange, and a positioning hole is provided on the other of the first flange and the second flange, and the positioning column cooperates with the positioning hole along the covering direction; a buckle is provided on one of the first flange and the second flange, and a bayonet is provided on the other of the first flange and the second flange, and the buckle is buckled with the bayonet.

[0023] As can be seen from the above, under this arrangement, when the box body and the cover are closed, they can not only be positioned first, but also snapped together after positioning, and then fastened after snapping together, thereby ensuring that the box body and the cover are stably and firmly combined, and have stronger resistance to falling and impact.

[0024] A further solution is that the multiple first latching protrusions and the multiple first latching grooves are arranged into two rows along the side width direction of the first flange, the multiple first latching protrusions and the multiple first latching grooves in each row are arranged at intervals along the side length direction of the first flange, and between two adjacent columns, the first latching protrusions and the first latching grooves are arranged relatively to each other along the side width direction of the first flange.

[0025] As can be seen from the above, under this setting, the double rows of staggered concave and convex structures mesh with each other, which has very good restrictions in both the width and length directions of the shell to prevent the box body and the cover from being separated, further improving its performance in resisting impact forces in all directions.

[0026] Another further solution is that the first box body includes a first side wall, the second axial positioning groove is arranged on the first side wall, and the first side wall includes a first side portion and a second side portion respectively located on both sides of the groove of the second axial positioning groove; the second box body includes a second side wall, the third axial positioning groove is arranged on the second side wall, the connecting arm is wall-shaped and continues from the second side wall and extends toward the first side wall, and the extended end section of the connecting arm is located on the axial outside of the first side wall and is connected between the first side portion and the second side portion.

[0027] As can be seen from the above, this setting, in the first aspect, is to strengthen the structure of the first box body to resist deformation, and in the second aspect, is to reduce the width of the shell. In the first aspect, since the position of the supply shaft is very close to the bottom of the first box body, the second axis positioning groove extending downward from the first mounting port at the upper end to the axis of the supply shaft and penetrating the thickness of the first side wall on both sides almost divides the first side wall into two separate parts, and the shell is mostly injection molded. Under this setting, the second axis positioning groove becomes a weak point, and the bottom wall of the first box body is prone to bending and deformation at the second axis positioning groove. To this end, the present invention cleverly uses the extended end section of the connecting arm to connect the first side and the second side on both sides of the notch of the second axis positioning groove, so that the first side wall is reinforced, effectively hindering the above-mentioned bending deformation. In the second aspect, the background technology connecting arm is connected to the axial outer side of the first box body in a convex shape, and this setting makes the width of the shell unnecessary to increase, and the maximum width of the paper roll it can accommodate is also smaller. Therefore, the present invention sets the extended end section of the connecting arm into a wall shape, reduces the external width of the shell and makes its internal width larger, so that a paper roll with a larger width can be placed. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural diagram of an embodiment of a printing consumables box of the present invention.

[0029] Figure 2 It is a cross-sectional view of an embodiment of a printing consumables box of the present invention.

[0030] Figure 3 This is a first structural exploded view of an embodiment of a printing consumables box of the present invention.

[0031] Figure 4 This is a second structural exploded view of the printing consumables box embodiment of the present invention.

[0032] Figure 5 This is a structural diagram of the bottom shell of the printing consumables box embodiment of the present invention at a first viewing angle.

[0033] Figure 6 It is a structural diagram of the bottom shell of the printing consumables box embodiment of the present invention at a second viewing angle.

[0034] Figure 7 This is a structural diagram of the bottom shell of the printing consumables box embodiment of the present invention at a third viewing angle.

[0035] Figure 8 This is a structural diagram of the first cover of the printing consumables box embodiment of the present invention at a first viewing angle.

[0036] Fig. 9 This is a structural diagram of the first cover of the printing consumables box embodiment of the present invention at a second viewing angle.

[0037] Fig.10 for Figure 1 Enlarged view of point A in the middle.

[0038] Fig.11 This is a structural diagram of the second cover of the printing consumables box embodiment of the present invention.

[0039] Fig.12 This is a structural diagram of the printing consumables box embodiment of the present invention, in which the winding core, supply shaft, and recovery shaft are installed on the bottom shell.

[0040] Fig.13 It is a structural diagram of a printer body that cooperates with the printing consumables box embodiment of the present invention. DETAILED DESCRIPTION

[0041] See also Figure 1 and Figure 2 The printing consumables box provided by the present invention includes a shell 1, a paper tape 9, a winding core 90, a support member 5, a carbon tape 6, a supply shaft 71 and a recovery shaft 72.

[0042] See especially Figure 2 The housing 1 includes a first box body 11, a connecting arm 29, and a second box body 12 which are sequentially connected along a first direction (left-right direction in the figure). The first box body 11 is provided with a first cavity 210 and an outlet 201, and the second box body 12 is provided with a second cavity 220 and an inlet 202. A paper feeding channel 290 which is open up and down is formed between two connecting arms 29 which are spaced apart from each other on the left and right sides. The first cavity 210, the outlet 201, the paper feeding channel 290, the inlet 202 and the second cavity 220 are sequentially connected.

[0043] The core 90 and the supply shaft 71 are arranged in the first cavity 210, and the recovery shaft 72 is arranged in the second cavity 220; the paper tape 9 is wound outside the core 90, and the paper tape 9 is led out from the outlet 201 and reaches the paper feed channel 290, and the carbon ribbon 6 is wound between the supply shaft 71 and the recovery shaft 72, and the carbon ribbon 6 extends between the outlet 201, the paper feed channel 290 and the inlet 202. The paper tape 9 and the carbon ribbon 6 are overlapped at the paper feed channel 290 and cooperate with the print head and the rubber roller of the printer to complete printing. Among them, the core 90, the supply shaft 71 and the recovery shaft 72 are parallel to each other.

[0044] Combination Figure 3 , the housing 1 is split into three parts: a bottom housing 2, a first cover 3 and a second cover 4. The bottom housing 2, the first cover 3 and the second cover 4 are each integrally formed. The bottom housing 2 includes a first box body 21, a connecting arm 29 and a second box body 22 that are sequentially connected along a first direction. The first box body 11 includes a first box body 21 and a first cover 3, and the first box body 21 and the first cover 3 are covered to form a first cavity 210, and the second box body 11 includes a second box body 22 and a second cover 4, and the second box body 22 and the second cover 4 are covered to form a second cavity 220.

[0045] Recombination Figure 4The first box body 21 is provided with a first mounting opening 2109 radially opening along the winding core 90, and the second box body 22 is provided with a second mounting opening 2209 radially opening along the recovery shaft 72, and the openings of the second mounting opening 2209 and the first mounting opening 2109 are both upward, the first mounting opening 2109 is communicated with the outlet 201, and the second mounting opening 2209 is communicated with the inlet 202, and the first cover 3 is covered on the first mounting opening 2109 of the first box body 21 to form the above-mentioned first box body 11, and the second cover 4 is covered on the second mounting opening 2209 of the second box body 22 to form the above-mentioned second box body 12. That is, the axial segmentation of the background technology is compared, and the present invention divides the outer shell radially, and divides the first box body 11 and the second box body 12 respectively, so that the internal components such as the paper tape 9, the winding core 90, the support member 5, the carbon ribbon 6, the supply shaft 71 and the recovery shaft 72 can be radially loaded into the corresponding cavities.

[0046] Continue to see Figure 2 and Figure 3 , the first box body 21 and the first cover 3 are joined at the joint L, and the joint L is the plane where the axis of the winding core 90 is located. Under this division, the lower half of the first cavity 210 of the first box body 11 is the internal space of the first box body 21, and the upper half of the first cavity 210 is the internal space of the first cover 3. Different from the division method of the first box body 11, the joint of the second box body 22 and the second cover 4 is located near the top of the second box body 12, the second cavity 220 is entirely in the second box body 22, and the second cover 4 mainly serves as a top stopper.

[0047] See also Figures 5 to 7 The first box body 21 includes two first side walls 23, an arc wall 241 and a rear wall 242. The first box body 21 has an end facing away from the first cover 3 as a bottom end, and an end facing away from the second box body 22 as a front end. The arc wall 241 extends from the bottom end of the first box body 21 to the front end along an arc; the width direction of the first side wall 23 is consistent with the axial direction of the winding core 90, and the two first side walls 23 are arranged at opposite ends of the width direction of the first box body 21 and are respectively connected to the two end edges of the arc wall 241; the rear wall 242 is arranged at the rear end of the first box body 21 and is connected between the edges of the two first side walls 23 and the bottom edge of the arc wall 241. In this way, the first side wall 23, the arc wall 241 and the rear wall 242 surround the internal space of the first box body 21, and the arc wall 241 blocks the internal space from both the bottom and the front.

[0048] Continue to see Figures 5 to 7, first axial positioning grooves 230 and second axial positioning grooves 240 are provided on both of the two first side walls 23. The first axial positioning groove 230 extends from the first mounting opening 2109 to the axis of the core 90, and the second axial positioning groove 240 extends from the first mounting opening 2109 to the axis of the supply shaft 71. Moreover, both the first axial positioning groove 230 and the second axial positioning groove 240 penetrate through the inner and outer sides of the first box body 21 along the axial direction of the core 90.

[0049] Since the axis of the core 90 is originally at the first mounting opening 2109, the first axial positioning groove 230 is set as a semi-circular groove opening upward; and since the supply shaft 71 is located at the bottom far from the first mounting opening 2109, the second axial positioning groove 240 is set as a U-shaped groove opening upward.

[0050] The first box body 21 is provided with a first arc convex edge 261 and a first flange 262. Both the first arc convex edge 261 and the first flange 262 protrude from the surface of the first box body 21. The first arc convex edge 261 is arranged along the edge of the first axial positioning groove 230 and the center of the first arc convex edge 261 coincides with the axis of the core 90. The first flange 262 is arranged along the edge of the first box body 21 at the joint L, that is, along the edge of the first mounting opening 2309. The first flange 262 is connected to the first arc convex edge 261 to form a "凵"-shaped reinforcing rib structure at the opening edge of the first box body 21.

[0051] Furthermore, in combination with Fig.13 , the body 8 of the printer cooperating with the printing consumable cartridge of the present invention has a placement position 801. A support seat 82 is arranged in the placement position 801. An axial positioning groove 820 is arranged on the support seat 82, and an axial positioning groove 830 and a limiting step 831 are arranged in the placement position 801. The first box body 21 is further provided with a positioning convex block 27 protruding from its own surface, and the protruding direction of the positioning convex block 27 is perpendicular to the axis. When the first box body 21 is placed into the placement position 801, the first arc convex edge 261 can enter the semi-circular axial positioning groove 820 to realize the axial positioning cooperation of the outer shell 1. And the positioning convex block 27 cooperates with the axial positioning groove 830 to perform mutual limiting in the axial direction, so as to realize the axial positioning cooperation between the outer shell 1 and the printer body 8. In addition, the first flange 262 is in limiting cooperation with the limiting step 831.

[0052] Refer to Figure 5 , the second box body 22 includes two second side walls 25 on opposite sides in the axial direction of the recovery shaft 72. Third axial positioning grooves 250 that extend from the second mounting opening 2209 to the axis of the recovery shaft 72 and penetrate through to the outside of the second box body 22 along the axial direction of the recovery shaft 72 are provided on both of the two second side walls 25. The third axial positioning groove 250 has a U shape with an arc-shaped bottom.

[0053] In addition, the connecting arm 29 is wall-shaped and continues from the second side wall 25 and extends toward the first side wall 23. The first side wall 23 includes a first side portion 2401 and a second side portion 2402 respectively located on both sides of the notch of the second axis positioning groove 240. Since the position of the supply shaft 71 is very close to the bottom of the first box body 21, the second axis positioning groove 240 extending downward from the first mounting opening 2109 at the upper end refers to the axis of the supply shaft 71 and penetrates the thickness of the first side wall 23 on both sides. The first side wall 23 is almost divided into two separated parts, front and back, and the shell 1 is mostly injection molded. Under this setting, the second axis positioning groove 240 becomes a weak point, and the bottom wall of the first box body 11 is easily bent and deformed at the position opposite to the second axis positioning groove 240. In the present invention, the extended end section 299 of the connecting arm 29 is located at the axial outer side of the first side wall 23 and connected between the first side portion 2401 and the second side portion 2402. The first side portion 2401 and the second side portion 2402 on both sides of the second axial positioning groove 240 are connected by the extended end section of the connecting arm 29 , so that the first side wall 23 is reinforced, effectively preventing the above-mentioned bending deformation from occurring.

[0054] See also Figure 4 In the present invention, the paper roll composed of the paper tape 9 and the winding core 90 is installed by two supporting members 5. The supporting member 5 includes a first shaft section 51 and a second shaft section 52 which are arranged opposite to each other along the axial direction of the winding core 90. The first shaft section 51 is sleeved with the winding core 90, and the second shaft section 52 protrudes away from the winding core 90 along the axial direction of the winding core 90.

[0055] Combination Fig.12 The core 90 of the paper tape 9 and the supply shaft 71 of the carbon ribbon 6 are installed in the first box body 21 through the first installation opening 2109. The second shaft sections 52 of the two support members 5 on both sides of the paper roll are respectively placed in the two first axis center positioning grooves 230 to achieve axis center positioning and support the second shaft sections 52; the axial ends of the supply shaft 71 are respectively placed in the two second axis center positioning grooves 240. After the driven gear 729 of the carbon ribbon 6 is installed, the recovery shaft 72 is installed in the second box body 22 through the second installation opening 2209, and the axial ends of the carbon ribbon 6 are respectively placed in the two third axis center positioning grooves 250.

[0056] See also Figures 8 to 10 The first cover 3 has an outer contour that is roughly semi-cylindrical. Two third side walls 34 are respectively arranged on both axial sides of the first cover 3. The third side wall 34 includes an edge located at the joint L. The third side wall 34 is provided with a fourth axial positioning groove 330 that is recessed upward in a semicircular shape at the edge.

[0057] Further, the first cover 3 is provided with a second arc-shaped convex edge 361 and a second flange 362 that are joined to form a "U"-shaped reinforcing rib structure. Both the second arc-shaped convex edge 361 and the second flange 362 protrude from the surface of the first cover 3. The second flange 362 is arranged along the edge of the first cover 3 at the joint L. The second arc-shaped convex edge 361 is arranged along the edge of the fourth axis positioning groove 330, and the center of the second arc-shaped convex edge 361 coincides with the axis of the core 90. The semi-circular outer contour of the second arc-shaped convex edge 361 can be used for axial positioning cooperation with the axial positioning groove of the cover of the printer.

[0058] Combined Figure 6 and Figure 7 On the first box body 21, a first locking convex 263 and a first locking groove 264 are provided on the part of the first flange 262 located on the arc wall 241, and a positioning post 265 and a bayonet 266 are provided on the part of the first flange 262 located on the first side wall 23. Among them, on the part of the first flange 262 located on the arc wall 241, multiple first locking convexes 263 and multiple first locking grooves 264 are arranged in two columns along the edge width direction of the part of the first flange 262 located on the arc wall 241. In each column, multiple first locking convexes 263 and multiple first locking grooves 264 are arranged at intervals along the edge length direction of the part of the first flange 262 located on the arc wall 241. Between adjacent two columns, the first locking convex 263 and the first locking groove 264 are arranged opposite to each other along the edge width direction of the first flange 262. The above-mentioned edge width direction is the radial direction of the core 90, and the edge length direction is the axial direction of the core 90.

[0059] Similarly, on the first cover 3, a second locking convex 363 and a second locking groove 364 are provided on the horizontal side part of the second flange 362, and a positioning hole 365 and a buckle 366 are provided on the side part of the second flange 362 located on the third side wall 34. Among them, on the horizontal side part of the second flange 362, multiple second locking convexes 363 and multiple second locking grooves 364 are arranged in two columns along the edge width direction of the horizontal side part of the second flange 362. In each column, multiple second locking convexes 363 and multiple second locking grooves 364 are arranged at intervals along the edge length direction of the horizontal side part of the second flange 362. Between adjacent two columns, the second locking convex 363 and the second locking groove 364 are arranged opposite to each other along the edge width direction of the second flange 362. The above-mentioned edge width direction is the radial direction of the core 90, and the edge length direction is the axial direction of the core 90.

[0060] In addition, the third side wall 34 further includes an extending wall portion 341 that protrudes downward from the edge of the joint L. The extending end of the extending wall portion 341 is provided with a fifth axis positioning groove 340 that opens downward, i.e., in an inward concave arc shape, in the covering direction of the first cover 3.

[0061] The first cover 3 is covered onto the first box body 21, the first flange 262 and the second flange 362 are opposite and matched with each other along the covering direction of the first cover 3, the positioning column 265 and the positioning hole 365 are matched with each other along the covering direction, the first latching protrusion 263 and the second latching groove 364 are matched with each other along the covering direction, the second latching protrusion 363 and the first latching groove 264 are matched with each other along the covering direction, the buckle 366 and the bayonet 266 are buckled, the fourth axial positioning groove 330 and the first axial positioning groove 230 are opposite and constitute the first axial positioning hole and the second shaft section 52 is restricted in the first axial positioning hole, the fifth axial positioning groove 340 and the second axial positioning groove 240 are opposite and constitute the second axial positioning hole and the supply shaft 71 is restricted in the second axial positioning hole.

[0062] Recombination Fig.11 Two side stoppers 45 are respectively provided on both axial sides of the second cover 4, and a sixth axis positioning groove 450 which is concave upward in an arc is provided at the lower end of the side stoppers 45. The second cover 4 is closed to the second box body 22, and the sixth axis positioning groove 450 is opposite to the third axis positioning groove 250 and forms a third axis positioning hole, and the recovery shaft 72 is restricted in the third axis positioning hole.

[0063] The paper roll and carbon ribbon assembly of the present invention are placed in one step without the problem of axial positioning difficulty. After the placement is completed, it does not affect the subsequent covering, so the assembly is simple. In particular, when placing the carbon ribbon 6 and its supply shaft 71 and recovery shaft 72, the problem of the carbon ribbon 6 is not considered. After the supply shaft 71 is placed in the first cavity 210 and the recovery shaft 72 is placed in the second cavity 220, the carbon ribbon 6 naturally reaches the outlet 201, the paper feeding channel 290 and the inlet 202. It can be seen that the present invention is aimed at the integrated printing consumables box, greatly reduces the difficulty of assembling the consumables box, and effectively improves the production efficiency.

[0064] In other embodiments, the junction between the first cover and the first box body is located above the axis of the winding core. In this arrangement, the first axis positioning groove is U-shaped, and this design will increase the volume of the first box body.

[0065] In other embodiments, the opening direction of the first installation opening is different from the opening direction of the second installation opening. For example, the opening direction of the first installation opening forms an angle less than 90 degrees with the opening direction of the second installation opening, the first installation opening opens toward the front and top, and the second installation opening opens toward the rear and top. Of course, the opening direction of the first installation opening corresponds to the closing direction of the first cover, and the opening direction of the second installation opening corresponds to the closing direction of the second cover.

[0066] In other embodiments, it is also considered to configure the first cover and / or the second cover to be semi-transparent so as to facilitate observation of the status of the consumables at any time.

[0067] In other embodiments, the first flange and the second flange are not provided.

[0068] Finally, it should be emphasized that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A printing consumables box, comprising a shell, a paper tape, a winding core, a carbon tape, a supply shaft and a recovery shaft, wherein the shell comprises a first box body, a connecting arm and a second box body connected in sequence along a first direction, the first box body is provided with a first cavity and an outlet, the second box body is provided with a second cavity and an inlet, a paper feeding channel is formed at the connecting arm, and the first cavity, the outlet, the paper feeding channel, the inlet and the second cavity are connected in sequence; The winding core and the supply shaft are arranged in the first cavity, the recovery shaft is arranged in the second cavity, the paper tape is wound outside the winding core, and the carbon tape is wound between the supply shaft and the recovery shaft; Features: The first box body comprises a first box body and a first cover, the first box body and the first cover are covered to form the first cavity, the second box body comprises a second box body and a second cover, the second box body and the second cover are covered to form the second cavity, and the connecting arm is connected between the first box body and the second box body; The first box body is provided with a first installation opening of the first cavity, the first installation opening is opened along the radial direction of the winding core and the first installation opening is communicated with the outlet, and the winding core and the supply shaft are installed through the first installation opening; The second box body is provided with a second installation opening of the second cavity, the second installation opening is opened along the radial direction of the recovery shaft and the second installation opening is communicated with the inlet, and the recovery shaft is installed through the second installation opening.

2. The printing consumables box according to claim 1, characterized in that: The printing consumables box also includes a support member, which includes a first shaft segment and a second shaft segment that are relatively arranged along the axial direction of the core, the first shaft segment is sleeved with the core, and the second shaft segment is supported by the first box body. The support member is installed into the first cavity through the first installation port together with the core.

3. The printing consumables box according to claim 2, characterized in that: The first box body is provided with a first axis center positioning groove, the first axis center positioning groove is communicated with the first cavity, and the first axis center positioning groove extends from the first installation opening to the axis center of the winding core, and the second axis segment is placed in the first axis center positioning groove; The first box body is provided with a second axis center positioning groove, the second axis center positioning groove is communicated with the first cavity, and the second axis center positioning groove extends from the first installation opening to the axis center of the supply shaft, and the supply shaft is placed in the second axis center positioning groove; The second box body is provided with a third axis positioning groove, the third axis positioning groove is communicated with the second cavity, and the third axis positioning groove extends from the second installation opening to the axis center of the recovery shaft, and the recovery shaft is placed in the third axis positioning groove.

4. The printing consumables box according to claim 3, characterized in that: Include at least one of the following: The junction of the first box body and the first cover is located at the axis of the winding core, at least a portion of the first cavity is arranged on the first cover, the first cover is further provided with a fourth axis positioning groove, the fourth axis positioning groove and the first axis positioning groove are opposite to each other and form a first axis positioning hole, and the second axis segment is located in the first axis positioning hole; The first cover is provided with a fifth axis center positioning groove, the fifth axis center positioning groove is opposite to the second axis center positioning groove and forms a second axis center positioning hole, and the supply shaft is located in the second axis center positioning hole; The second cover is provided with a sixth axis center positioning groove, the sixth axis center positioning groove is opposite to the third axis center positioning groove and forms a third axis center positioning hole, and the recovery shaft is located in the third axis center positioning hole.

5. The printing consumables box according to claim 4, characterized in that: Include at least one of the following: The first axial positioning hole penetrates along the axial direction to the outside of the first box body; The second axial positioning hole penetrates along the axial direction to the outside of the second box body; The third axial center positioning groove and the third axial center positioning hole penetrate along the axial direction to the outside of the second box body.

6. The printing consumables box according to claim 4 or 5, characterized in that: The first box body is provided with a first arc convex edge, the first arc convex edge protrudes from the surface of the first box body, the center of the first arc convex edge coincides with the axis of the winding core, and the first arc convex edge is arranged along the edge of the first axis positioning groove, and the first arc convex edge is used for axis positioning cooperation with the printer; and / or, The first box body is further provided with a positioning protrusion protruding from its surface, the protrusion direction of the positioning protrusion is perpendicular to the axial direction, and the positioning protrusion is used for positioning and cooperating with the printer in the axial direction.

7. The printing consumables box according to claim 6, characterized in that: The first box body is provided with a first flange, the first flange protrudes from the surface of the first box body, and the first flange is provided along the edge of the first box body located at the joint, and the first flange is connected to the first arc convex edge; The first cover is provided with a second arc convex edge and a second flange connected to each other, the second arc convex edge and the second flange are both protruding from the surface of the first cover, and the center of the second arc convex edge coincides with the axis of the winding core and the second arc convex edge is arranged along the edge of the fourth axis positioning groove, the second arc convex edge is used for axis positioning with the printer, and the second flange is arranged along the edge of the first cover located at the joint; The first flange and the second flange are opposite to and matched with each other along a closing direction of the first cover.

8. The printing consumables box according to claim 7, characterized in that: Include at least one of the following: The first flange is provided with a first locking protrusion, and the second flange is provided with a second locking groove, and the first locking protrusion and the second locking groove cooperate with each other along the covering direction; The first flange is provided with a first clamping groove, the second flange is provided with a second clamping protrusion, and the second clamping protrusion cooperates with the first clamping groove along the covering direction; One of the first flange and the second flange is provided with a positioning column, and the other of the first flange and the second flange is provided with a positioning hole, and the positioning column cooperates with the positioning hole along the covering direction; One of the first flange and the second flange is provided with a buckle, and the other of the first flange and the second flange is provided with a bayonet, and the buckle is buckled with the bayonet.

9. The printing consumables box according to claim 8, characterized in that: The plurality of first latching protrusions and the plurality of first latching grooves are arranged in two rows along the side width direction of the first flange, the plurality of first latching protrusions and the plurality of first latching grooves in each row are arranged at intervals along the side length direction of the first flange, and between two adjacent rows, the first latching protrusions and the first latching grooves are arranged opposite to each other along the side width direction of the first flange.

10. The printing consumables box according to any one of claims 3 to 5, characterized in that: The first box body includes a first side wall, the second axis positioning groove is arranged on the first side wall, and the first side wall includes a first side portion and a second side portion respectively located on both sides of the notch of the second axis positioning groove; The second box body includes a second side wall, the third axial positioning groove is arranged on the second side wall, the connecting arm is wall-shaped and continues from the second side wall and extends toward the first side wall, and the extended end section of the connecting arm is located axially outside the first side wall and connected between the first side portion and the second side portion.

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