Powder cylinder, conductive part and printer

Abstract

The embodiment of the utility model provides a powder cylinder, a conductive piece and a printer, and relates to the technical field of printing. The powder cylinder comprises a powder cylinder main body and a conductive piece which is connected with the powder cylinder main body; or the conductive piece is mounted on the powder cylinder. When the powder barrel is installed on the printer body of the printer, the conductive piece is guided by the slide way part of the guide piece on the printer body and makes contact with the two conductive pieces on the guide piece, a signal that the powder barrel is installed in place can be fed back to a control system of the printer, and therefore the printer works when the powder barrel is installed in place on the printer body. The powder outlet of the powder cylinder can be aligned with the powder inlet of the imaging assembly, carbon powder leakage is avoided, pollution to a printer is avoided, the concentration of a developing agent in the imaging assembly is improved, and the quality of a printed image of the printer is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing technical field especially, relate to a powder cartridge, conductive part and printer. BACKGROUND

[0002] Color printer is a kind of printing equipment that can print multiple colors, and is widely used in family, office and professional printing field.

[0003] In the related art, the color printer is provided with four color powder cartridges. When the four color powder cartridges are installed on the printer body, carbon powder can be supplied to the imaging assembly.

[0004] However, during the operation of the printer, the powder outlet of the powder cartridge may not be aligned with the powder inlet of the imaging assembly, causing carbon powder leakage, contamination of the printer and a decrease in the internal developer concentration of the imaging assembly, which reduces the print image quality of the printer. SUMMARY

[0005] The utility model embodiment provides a kind of powder cartridge, conductive part and printer, to solve the problem that printer works, the powder outlet of powder cartridge may not be aligned with the powder inlet of the imaging assembly, causing carbon powder leakage, contamination of the printer and a decrease in the internal developer concentration of the imaging assembly, which reduces the print image quality of the printer.

[0006] In a first aspect, the utility model embodiment provides a kind of powder cartridge, comprising:

[0007] Powder cartridge main body;

[0008] Conductive part, the conductive part is connected with the powder cartridge main body, the conductive part is used to be guided by the slide way part of guide piece on the printer body when the powder cartridge is installed to the printer body of printer, and contact with two conductive sheets on the guide piece.

[0009] In a possible implementation, the conductive part includes:

[0010] Installation main body, the installation main body is detachably connected with the powder cartridge main body;

[0011] Two slide rails, two the slide rails are connected with the side of the installation main body away from the powder cartridge main body, each slide rail extends along the length direction of the powder cartridge, and two slide rails are spaced apart in the width direction of the powder cartridge.

[0012] In a possible implementation, the installation main body is snap-fit connected with the powder cartridge main body.

[0013] In a possible implementation, in the height direction of the powder cartridge, the powder cartridge main body has oppositely arranged top side and bottom side;

[0014] The top side of the powder cartridge body is provided with a plurality of first clamping protrusions, the mounting body is provided with a plurality of first clamping holes, the plurality of first clamping protrusions correspond to the plurality of first clamping holes one by one, and each first clamping protrusion is clamped and connected with the corresponding first clamping hole.

[0015] The top side of the powder cartridge body is provided with a plurality of second clamping holes, the mounting body is provided with a plurality of second clamping protrusions, the plurality of second clamping holes correspond to the plurality of second clamping protrusions one by one, and each second clamping hole is clamped and connected with the corresponding second clamping protrusion.

[0016] In a second aspect, the utility model provides a conductive piece, the conductive piece is configured to be guided by the slide of the guide on the printer body and contact with two conductive sheets on the guide when the powder cartridge is mounted to the printer body.

[0017] In a third aspect, the utility model provides a printer, comprising:

[0018] A printer body;

[0019] A guide connected with the printer body, the guide is provided with a slide;

[0020] Two conductive sheets are arranged on the guide, the two conductive sheets are arranged at intervals, and the two conductive sheets are at least partially located in the slide, and the two conductive sheets are connected with a control system of the printer body.

[0021] The powder cartridge as described above can be detachably mounted on the printer body.

[0022] In a possible implementation, the slide includes two slides, and the two slides are arranged at intervals in the width direction of the powder cartridge.

[0023] The two conductive sheets pass through the guide, each conductive sheet corresponds to a slide, and a portion of each conductive sheet is located in the corresponding slide.

[0024] In a possible implementation, the guide includes:

[0025] A guide body connected with the printer body;

[0026] Three guide plates connected with one side of the guide body towards the powder cartridge, the three guide plates are arranged at intervals along the width direction of the powder cartridge, and the three guide plates enclose two slides.

[0027] In a possible implementation, in the width direction of the powder cartridge, a plurality of guide members and a plurality of powder cartridges are provided on the printer body, and the conductive members of the plurality of powder cartridges correspond one-to-one to the plurality of guide members.

[0028] In a possible implementation, in the width direction of the powder cartridge, the powder cartridge body of the powder cartridge has a first side and a second side that are oppositely disposed, and the distances between the conductive member of each powder cartridge and the corresponding first side of the powder cartridge body are different.

[0029] An embodiment of the utility model provides a powder cartridge, a conductive part and a printer. The powder cartridge is provided with the conductive part. When the powder cartridge is installed to the printer body of the printer, the conductive part is guided by the slide portion of the guide part on the printer body and contacts the two conductive sheets on the guide part. A signal indicating that the powder cartridge is installed in place can be fed back to the control system of the printer, so that the printer works when the powder cartridge is installed in place on the printer body. The powder outlet of the powder cartridge can be aligned with the powder inlet of the imaging component, thereby avoiding leakage of toner, avoiding contamination of the printer, and increasing the developer concentration inside the imaging component, thereby improving the quality of image printing by the printer. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0031] Figure 1 A schematic diagram of a toner cartridge, a guide member, and a conductive sheet when a toner cartridge provided in Example 1 of the present invention is installed in place on a printing body of a printer;

[0032] Figure 2 A schematic diagram showing the connection between the guide member and the conductive sheet provided in the first embodiment of the present invention from a first viewing angle;

[0033] Figure 3 A schematic diagram from a second perspective of the guide member and the conductive sheet connected to each other according to the first embodiment of the present invention;

[0034] Figure 4 This is a schematic structural diagram of a powder cartridge provided in Example 1 of the present utility model;

[0035] Figure 5 for Figure 4 A schematic diagram of the structure of the conductive member in FIG.

[0036] Figure 6 for Figure 4 Schematic diagram of the powder cartridge;

[0037] Figure 7 A decomposition schematic view of a powder cartridge is provided for the second embodiment of the present application.

[0038] Marked for explanation:

[0039] 10-guide; 11-guide body;

[0040] 111-through hole; 12-guide plate;

[0041] 101-slideway; 20-conductive piece;

[0042] 30-powder cartridge; 31-powder cartridge body;

[0043] 311-upper cover; 312-first clamping protrusion;

[0044] 32-conductive piece; 321-mounting body;

[0045] 3211-first clamping hole; 322-slideway;

[0046] 313-second clamping hole; 3212-second clamping protrusion. DETAILED DESCRIPTION

[0047] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0048] It should be noted that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise explicitly and specifically limited.

[0049] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be direct connection, also can indirectly connect through the intermediate medium, can be the communication or the interaction relationship of two elements inside two elements, unless another definite limitation. For the ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0050] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or it only means that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or it only means that the horizontal height of the first feature is less than that of the second feature.

[0051] In the above description, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled person in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0052] As described in the background, when the printer works, the powder outlet of the powder cartridge fails to align with the powder inlet of the imaging assembly, causing carbon powder leakage, polluting the printer and causing the developer concentration inside the imaging assembly to decrease, reducing the print image quality of the printer. The inventor found that the reason for this problem is that the printer cannot determine whether the powder cartridge is installed in place on the printer body, and the printer works when the powder cartridge is not installed in place on the printer body. The powder outlet of the powder cartridge fails to align with the powder inlet of the imaging assembly, causing carbon powder leakage, polluting the printer and causing the developer concentration inside the imaging assembly to decrease, reducing the print image quality of the printer.

[0053] To solve the above problems, the utility model embodiment provides a powder cartridge, a conductive piece and a printer, the conductive piece is connected with the powder cartridge main part, or, the conductive piece is installed to the powder cartridge. When the powder cartridge is installed to the printer body of the printer, the conductive piece is guided by the slide portion of the guide piece on the printer body, and contacts two conductive sheets on the guide piece, can make the signal feedback to the control system of the printer that the powder cartridge is installed in place, thereby making the printer work when the powder cartridge is installed in place on the printer body, the powder outlet of the powder cartridge can be aligned with the powder inlet of the imaging assembly, avoid carbon powder leakage, avoid polluting the printer, improve the developer concentration inside the imaging assembly, and further improve the printing image quality of the printer.

[0054] The powder cartridge, the conductive piece and the printer provided by the utility model embodiment will be described in detail below in combination with specific embodiments.

[0055] The utility model embodiment provides a kind of printer, including printer body (not shown in drawing).Printer body includes control system and imaging assembly.Control system is used to control the work of printer.Imaging assembly includes photosensitive drum and toner cartridge, carbon powder in toner cartridge is formed image by electrostatic adsorption to photosensitive drum.

[0056] Referring to Figure 1 As shown, the printer includes a powder cartridge 30. The powder cartridge 30 is detachably installed on the printer body. The powder cartridge 30 is used to supply toner to the imaging assembly of the printer.

[0057] The length direction of the powder cartridge 30 is the X-axis direction, the length direction of the printer is the same as the length direction of the powder cartridge 30, and the X-axis direction includes the +X-axis direction and the -X-axis direction in opposite directions. The width direction of the powder cartridge 30 is the Y-axis direction, the width direction of the printer is the same as the width direction of the powder cartridge 30, and the Y-axis direction includes the +Y-axis direction and the -Y-axis direction in opposite directions. The height direction of the powder cartridge 30 is the Z-axis direction, the height direction of the printer is the same as the height direction of the powder cartridge 30, and the Z-axis direction includes the +Z-axis direction and the -Z-axis direction in opposite directions. The X-axis, the Y-axis and the Z-axis are perpendicular to each other.

[0058] The printer includes a guide piece 10. The guide piece 10 is connected with the printer body. Exemplarily, the guide piece 10 can be connected with the printer body by clamping. Alternatively, the guide piece 10 can also be connected with the printer body by bolts.

[0059] The material of the guide piece 10 can be a non-conductive material. Exemplarily, the material of the guide piece 10 can be plastic.

[0060] The guide piece 10 is provided with a slide portion. Referring to Figure 2 As shown, the slide portion includes two slides 101. In the width direction of the powder cartridge 30, the two slides 101 are arranged at intervals.

[0061] In some examples, the guide 10 includes a guide body 11 and three guide plates 12 .

[0062] The guide body 11 is connected to the printer body.

[0063] The three guide plates 12 are respectively connected to the side of the guide body 11 facing the powder cartridge 30, that is, the three guide plates 12 are respectively connected to the side of the guide body 11 in the -Z-axis direction. For example, the three guide plates 12 can be connected to the guide body 11 by bolts. Alternatively, the three guide plates 12 can be connected to the guide body 11 by welding. Alternatively, the three guide plates 12 can be integrally formed with the guide body 11 by injection molding.

[0064] The three guide plates 12 are parallel to each other. For example, the three guide plates 12 extend along the length direction of the powder cartridge 30 , that is, the three guide plates 12 extend along the X-axis direction.

[0065] The three guide plates 12 are arranged at intervals along the width direction of the powder cartridge 30 , that is, the three guide plates 12 are arranged at intervals along the Y-axis direction.

[0066] The three guide plates 12 form two slideways 101. For example, the three guide plates 12 are arranged at equal intervals in the width direction of the powder cartridge 30, that is, the widths of the two slideways 101 are equal in the width direction of the powder cartridge 30.

[0067] Two conductive sheets 20 are provided on the guide member 10. For example, the two conductive sheets 20 can be connected to the guide member 10 by bolts.

[0068] The two conductive sheets 20 are spaced apart from each other. It can be understood that there is a gap between the two conductive sheets 20 and the two conductive sheets 20 do not contact each other.

[0069] The two conductive sheets 20 are at least partially located in the slide portion, and the two conductive sheets 20 are connected to the control system of the printer body.

[0070] Specifically, two conductive sheets 20 pass through the guide member 10, each conductive sheet 20 corresponds to a slideway 101, and a portion of each conductive sheet 20 is located in the corresponding slideway 101. For example, see Figure 3 As shown, the guide body 11 of the guide member 10 has two through-holes 111 communicating with the two channels. The two through-holes 111 are respectively connected to the two slideways 101. Two conductive sheets 20 pass through the two through-holes 111, with a portion of the conductive sheet 20 located within the corresponding slideway 101 and the other portion of the conductive sheet 20 located on the side of the guide body 11 facing away from the guide plate 12.

[0071] See also Figure 4 As shown, the powder cartridge 30 may include a powder cartridge body 31. The powder cartridge body 31 is used to store carbon powder.

[0072] In the height direction of the powder cartridge 30, the powder cartridge body 31 has oppositely arranged top and bottom sides, i.e. the side of the powder cartridge body 31 in the +Z-axis direction is the top side, and the side of the powder cartridge body 31 in the -Z-axis direction is the bottom side.

[0073] The top side of the powder cartridge body 31 is provided with an upper cover 311 (see Figure 6

[0074] In the width direction of the powder cartridge 30, the powder cartridge body 31 of the powder cartridge 30 has oppositely arranged first and second sides, i.e. the side of the powder cartridge body 31 in the +Y-axis direction is the first side, and the side of the powder cartridge body 31 in the -Y-axis direction is the second side.

[0075] The powder cartridge 30 can include a conductive piece 32. The conductive piece 32 is made of a conductive material. In some examples, the conductive piece 32 is made of a metal material.

[0076] The conductive piece 32 is connected with the powder cartridge body 31. In some examples, the conductive piece 32 can be connected with the upper cover 311 of the powder cartridge body 31.

[0077] The conductive piece 32 can be detachable relative to the powder cartridge body 31, or can be non-detachable relative to the powder cartridge body 31, which is not specifically limited here.

[0078] The conductive piece 32 is configured to be guided by the slide portion of the guide 10 on the printer body when the powder cartridge 30 is installed to the printer body, and to be in contact with the two conductive pieces 20 on the guide 10, so that a signal that the powder cartridge 30 is installed in place is fed back to the control system of the printer.

[0079] Referring to Figures 1 to 4 When the powder cartridge 30 is installed to the printer body, the conductive piece 32 of the powder cartridge 30 is guided by the slide portion of the guide 10 on the printer body, so that the conductive piece 32 enters the slide portion of the guide 10, the conductive piece 32 is in contact with the two conductive pieces 20 on the guide 10, the two conductive pieces 20 are connected, the two conductive pieces 20, the conductive piece 32 and the control system form a closed circuit, so that a signal that the powder cartridge 30 is installed in place is fed back to the control system of the printer, the control system can prompt the powder cartridge 30 to be installed in place by detecting the signal, so that the printer works when the powder cartridge 30 is installed in place on the printer body, the powder outlet of the powder cartridge 30 can be aligned with the powder inlet of the imaging assembly, to avoid carbon powder leakage and pollution of the printer, to improve the developer concentration inside the imaging assembly, and thus to improve the print image quality of the printer.

[0080] ​When the powder cartridge 30 is installed to the printer body of the printer, the electrically conductive piece 32 collides with the guide piece 10, the electrically conductive piece 32 of the powder cartridge 30 is not guided by the slide portion of the guide piece 10 on the printer body, so that the electrically conductive piece 32 cannot enter the slide portion of the guide piece 10, and thus the electrically conductive piece 32 cannot contact the two electrically conductive pieces 20 on the guide piece 10, the two electrically conductive pieces 20 are not connected, and the circuit between the two electrically conductive pieces 20 is broken, so that the control system prompts that the powder cartridge 30 is not installed in place, and the printer does not work. By reinstalling the powder cartridge 30, when the control system prompts that the powder cartridge 30 is installed in place, the printer works, the powder outlet of the powder cartridge 30 can be aligned with the powder inlet of the imaging assembly, carbon powder leakage is avoided, the printer is prevented from being contaminated, the developer concentration inside the imaging assembly is improved, and thus the print image quality of the printer is improved.

[0081] In a possible implementation, referring to Figure 5 illustrated, the electrically conductive piece 32 includes a mounting body 321 and two slide rails 322.

[0082] The mounting body 321 is detachably connected with the powder cartridge body 31. In this way, in the case that the electrically conductive piece 32 is damaged, the electrically conductive piece 32 can be replaced, so that the normal use of the powder cartridge 30 can be ensured.

[0083] In some examples, the mounting body 321 is snap-fit connected with the powder cartridge body 31. In this way, the mounting and dismounting of the electrically conductive piece 32 can be facilitated.

[0084] Illustratively, referring to Figure 6 illustrated, the top side of the powder cartridge body 31 is provided with a plurality of first snap-fit protrusions 312, that is, the upper cover 311 is provided with a plurality of first snap-fit protrusions 312. Referring to Figure 5 illustrated, the mounting body 321 is provided with a plurality of first snap-fit holes 3211, and the plurality of first snap-fit protrusions 312 correspond to the plurality of first snap-fit holes 3211 one by one. Each first snap-fit protrusion 312 is snap-fit connected with the corresponding first snap-fit hole 3211, so that the electrically conductive piece 32 can be fixed relative to the powder cartridge body 31. In other embodiments, referring to Figure 7 illustrated, the top side of the powder cartridge body 31 is provided with a plurality of second snap-fit holes 313, that is, the upper cover 311 is provided with a plurality of second snap-fit holes 313. The mounting body 321 is provided with a plurality of second snap-fit protrusions 3212. The plurality of second snap-fit holes 313 correspond to the plurality of second snap-fit protrusions 3212 one by one, and each second snap-fit hole 313 is snap-fit connected with the corresponding second snap-fit protrusion 3212, so that the electrically conductive piece 32 can be fixed relative to the powder cartridge body 31.

[0085] Illustratively, the electrically conductive piece 32 can be welded to the powder cartridge body 31, or fixed by a screw.

[0086] The two sliding rails 322 are connected to the side of the mounting body 321 away from the powder cartridge body 31, i.e., the two sliding rails 322 are connected to the side of the mounting body 321 in the +Z-axis direction.

[0087] Exemplarily, the two sliding rails 322 and the mounting body 321 can be connected by welding. Alternatively, the two sliding rails 322 and the mounting body 321 can be integrally formed by injection molding.

[0088] Each sliding rail 322 extends along the length direction of the powder cartridge 30. It can be understood that the two sliding rails 322 are parallel to each other.

[0089] The two sliding rails 322 are arranged in the width direction of the powder cartridge 30. In this way, when the powder cartridge 30 is mounted to the printer body of the printer, the two sliding rails 322 of the conductive part 32 enter the two sliding grooves 101 of the sliding groove part of the guide 10, and the two sliding rails 322 are in contact with the two conductive sheets 20 on the guide 10, so that the two conductive sheets 20, the conductive part 32 and the control system form a closed circuit.

[0090] It should be noted that the sliding groove 101 has an entrance end in the -X-axis direction. The entrance end can be in a trumpet shape, i.e., the width of the entrance end gradually increases along the -X-axis direction. In this way, the sliding rail 322 is easy to enter the sliding groove 101 from the entrance end.

[0091] In a possible implementation, in the width direction of the powder cartridge 30, the printer body is provided with a plurality of guides 10 and a plurality of powder cartridges 30, and the conductive parts 32 of the plurality of powder cartridges 30 correspond one-to-one to the plurality of guides 10.

[0092] In this case, the printer body is provided with a plurality of powder cartridge mounting positions, each powder cartridge mounting position corresponding to one powder cartridge 30, each powder cartridge mounting position being provided with one guide 10, and each guide 10 being provided with two conductive sheets 20.

[0093] The colors of the carbon powder in the powder cartridges 30 are different from each other.

[0094] In some examples, in the width direction of the powder cartridge 30, the printer body is provided with four guides 10 and four powder cartridges 30, and the colors of the carbon powder in the four powder cartridges 30 are different from each other. The printer body is provided with four powder cartridge mounting positions, and the four powder cartridges 30 are respectively mounted on the four powder cartridge mounting positions, and the four guides 10 are used to guide the conductive parts 32 of the four powder cartridges 30.

[0095] In a possible implementation, the conductive pieces 32 of each powder cartridge 30 are different from the distance to the first side of the corresponding powder cartridge body 31. In this way, the conductive piece 32 of each powder cartridge 30 can only cooperate with the guide 10 on the corresponding powder cartridge mounting position, so as to avoid the powder cartridge 30 from being incorrectly mounted on a non-corresponding powder cartridge mounting position, thereby playing a foolproof role, and further avoiding the mixing problem of the powder cartridges 30.

[0096] It should be noted that in other embodiments, the conductive piece and the powder cartridge can be two components of the printer respectively, that is, the conductive piece does not belong to the powder cartridge. The conductive piece is mounted on the powder cartridge, and the conductive piece is configured to be guided by the slide portion of the guide 10 on the printer body when the powder cartridge is mounted on the printer body, and to be in contact with the two conductive pieces 20 on the guide 10, so as to enable the printer to feed back a signal that the powder cartridge is mounted in place.

[0097] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A powder cartridge (30), characterized in that: include: Powder cartridge body (31); A conductive member (32) is connected to the powder cartridge body (31). The conductive member (32) is used to be guided by the slide portion of the guide member (10) on the printer body when the powder cartridge (30) is installed on the printer body of the printer, and to contact the two conductive sheets (20) on the guide member (10).

2. The powder cartridge (30) according to claim 1, characterized in that The conductive member (32) comprises: An installation body (321), wherein the installation body (321) is detachably connected to the powder cartridge body (31); Two slide rails (322), the two slide rails (322) are connected to the side of the installation body (321) away from the powder cartridge body (31), each of the slide rails (322) extends along the length direction of the powder cartridge (30), and the two slide rails (322) are spaced apart in the width direction of the powder cartridge (30).

3. The powder cartridge (30) according to claim 2, characterized in that: The mounting body (321) is snap-connected with the powder cartridge body (31).

4. The powder cartridge (30) according to claim 3, characterized in that In the height direction of the powder cartridge (30), the powder cartridge body (31) has a top side and a bottom side that are arranged opposite to each other; The top side of the powder cartridge body (31) is provided with a plurality of first engaging protrusions (312), the mounting body (321) is provided with a plurality of first engaging holes (3211), the plurality of first engaging protrusions (312) correspond one-to-one to the plurality of first engaging holes (3211), and each first engaging protrusion (312) is engaged and connected with the corresponding first engaging hole (3211); or, The top side of the powder cartridge body (31) is provided with a plurality of second engaging holes (313), and the mounting body (321) is provided with a plurality of second engaging protrusions (3212). The plurality of second engaging holes (313) correspond one-to-one to the plurality of second engaging protrusions (3212), and each second engaging hole (313) is engaged and connected with the corresponding second engaging protrusion (3212).

5. A conductive member (32), mounted on a powder cartridge (30), characterized in that: The conductive member (32) is configured to be guided by the slide portion of the guide member (10) on the printer body and to contact the two conductive sheets (20) on the guide member (10) when the powder cartridge (30) is mounted on the printer body of the printer.

6. A printer, characterized in that: include: Printer body; A guide member (10), the guide member (10) being connected to the printer body, and the guide member (10) being provided with a slide portion; Two conductive sheets (20) are provided on the guide member (10), the two conductive sheets (20) are spaced apart, at least part of the two conductive sheets (20) are located in the slide portion, and the two conductive sheets (20) are connected to the control system of the printer body; The powder cartridge (30) according to any one of claims 1 to 4, wherein the powder cartridge (30) is detachably mounted on the printer body.

7. The printer according to claim 6, wherein: The slide portion includes two slides (101), and the two slides (101) are spaced apart in the width direction of the powder cartridge (30); The two conductive sheets (20) pass through the guide member (10), each conductive sheet (20) corresponds to one slideway (101), and a portion of each conductive sheet (20) is located in the corresponding slideway (101).

8. The printer according to claim 7, wherein: The guide member (10) comprises: A guide body (11), the guide body (11) being connected to the printer body; Three guide plates (12), the three guide plates (12) are respectively connected to one side of the guide body (11) facing the powder barrel (30), the three guide plates (12) are arranged at intervals along the width direction of the powder barrel (30), and the three guide plates (12) surround the two slideways (101).

9. The printer according to claim 6, wherein: In the width direction of the powder cartridge (30), a plurality of guide members (10) and a plurality of powder cartridges (30) are provided on the printer body, and the conductive members (32) of the plurality of powder cartridges (30) correspond one to one to the plurality of guide members (10).

10. The printer according to claim 9, wherein: In the width direction of the powder cartridge (30), the powder cartridge body (31) of the powder cartridge (30) has a first side and a second side arranged opposite to each other, and the distances between the conductive member (32) of each powder cartridge (30) and the first side of the corresponding powder cartridge body (31) are different from each other.

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