Gear assembly for printer

Abstract

The utility model discloses a gear assembly for a printer, and relates to the field of gear assemblies for printers, the gear assembly is installed in a drying drum body, the interior of the drying drum body is rotatably connected with a driving integrated gear structure, and the driving integrated gear structure comprises a front driving gear, a middle bearing roller moving plate and a rear driving gear. According to the utility model, through the arrangement of the driving integrated gear structure and the auxiliary integrated gear structure, the middle bearing auxiliary moving plate of the auxiliary integrated gear structure is inserted into the driving integrated gear structure, so that the surface of the middle bearing auxiliary moving plate is meshed and rotated on the surface of the middle bearing roller moving plate; the front driving gear and the rear driving gear of the driving integrated gear structure transversely limit the middle bearing auxiliary moving piece inserted in the middle, meanwhile, the surfaces of the front driving gear and the front auxiliary moving gear and the surfaces of the rear driving gear and the rear auxiliary moving gear rotate in a meshed mode, and therefore the transmission stability performance of the adjacent integrated gears of the printer is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gear components of printers, in particular to a gear component used for a printer. Background Art

[0002] The printer contains a toner cartridge component, in which the connection near the print head is via gear transmission.

[0003] In traditional gear transmission, it is not convenient to perform lateral limitation on the mutually meshing gears, thereby improving the stability of the two gear transmissions.

[0004] After searching the existing patents: a gear assembly for a printer (Announcement No.: CN206773394U), which uses a cross-shaped socket and a connector to make the gear body more tightly connected and the transmission smooth; it has a simple structure, compact fit, easy use, reasonable design, and beautiful appearance; therefore, it is a product with superior performance in both technical and economic aspects.

[0005] Although the above patent uses a cross-shaped socket and a connector to make the gear body more tightly connected, the gear is only fixed inside with a cross-shaped socket, which makes it inconvenient to use a connecting structure to reinforce the cross-shaped socket, making the gear structure stronger.

[0006] Therefore, it is necessary to invent a gear assembly for a printer to solve the above problems. Utility Model Content

[0007] The utility model aims to provide a gear assembly for a printer to solve the problem in the above background technology that it is inconvenient to perform lateral limitation on mutually meshing gears and to strengthen the internal connection structure of the gears to improve the gear structure strength.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gear assembly for a printer, which is installed inside a sun drying drum body, wherein the inside of the sun drying drum body is rotatably connected with an active integrated gear structure, wherein the active integrated gear structure comprises a front active gear, a middle bearing roller movable piece and a rear active gear, wherein the interiors of the front active gear and the rear active gear are both fixedly connected with a plug-in A reinforcement mechanism, wherein the plug-in A reinforcement mechanism comprises an A plug-in ring, an A connecting piece and an A reinforcement ring, wherein the surface of the active integrated gear structure is meshingly rotatably connected with an auxiliary integrated gear structure, wherein the auxiliary integrated gear structure comprises a front auxiliary gear, a middle bearing auxiliary movable piece and a rear auxiliary gear, wherein the interiors of the front auxiliary gear and the rear auxiliary gear are both fixedly connected with a B reinforcement mechanism, wherein the B reinforcement mechanism comprises a B plug-in ring, a B connecting piece and a B reinforcement ring, and the interiors of the active integrated gear structure and the auxiliary integrated gear structure are both rotatably connected to the sun drying drum body through plug-in rollers.

[0009] Preferably, the back side of the front driving gear is integrally and fixedly connected with a middle supporting roller rotor, and the back side of the middle supporting roller rotor is integrally and fixedly connected with a rear driving gear.

[0010] Preferably, the number of the A connecting plates is four, one end of the four A connecting plates are evenly fixed on the inner side walls of the front driving gear and the rear driving gear in a cross shape, the other end of the four A connecting plates are fixedly connected with an A plug ring, and the surfaces of the four A connecting plates are penetrated and connected with an A reinforcement ring.

[0011] Preferably, the back side of the front auxiliary driving gear is integrally and fixedly connected with a middle supporting auxiliary driving plate, and the back side of the middle supporting auxiliary driving plate is integrally and fixedly connected with a rear auxiliary driving gear.

[0012] Preferably, the surface of the front driving gear is meshed and rotated with the front auxiliary gear, the surface of the middle bearing roller movable plate is meshed and rotated with the middle bearing auxiliary movable plate, and the surface of the rear driving gear is meshed and rotated with the rear auxiliary gear.

[0013] Preferably, the number of the B connecting plates is four, one end of the four B connecting plates is evenly fixed on the inner wall of the front driving gear and the rear driving gear in a cross shape, the other end of the four B connecting plates is fixedly connected with a B plug ring, and the surfaces of the four B connecting plates are penetrated by a B reinforcement ring.

[0014] Preferably, the surfaces of the A plug-in ring and the middle supporting roller movable plate are both in the shape of a straight line with an A plug-in groove, and the surfaces of the B plug-in ring and the middle supporting auxiliary movable plate are both in the shape of a straight line with a B plug-in groove, and plug-in rollers are inserted inside the A plug-in groove and the B plug-in groove, so that the active integrated gear structure and the auxiliary integrated gear structure can rotate on the drying drum body.

[0015] Technical effects and advantages of the utility model:

[0016] 1. Through the arrangement of the active integrated gear structure and the auxiliary integrated gear structure, the middle bearing auxiliary moving piece of the auxiliary integrated gear structure is inserted into the interior of the active integrated gear structure, so that the surface of the middle bearing auxiliary moving piece meshes and rotates on the surface of the middle bearing roller moving piece, and the front driving gear and the rear driving gear of the active integrated gear structure laterally limit the middle bearing auxiliary moving piece inserted in the middle, and at the same time, the surfaces of the front driving gear and the front auxiliary gear and the rear driving gear and the rear auxiliary gear are meshed and rotated, thereby improving the stability of the adjacent integrated gear transmission of the printer;

[0017] 2. Through the setting of A reinforcement ring and B reinforcement ring, A plug-in ring and A connecting plate as well as B plug-in ring and B connecting plate are provided inside the integrated gear, so that the internal structural strength of the gear becomes lower, and then the A reinforcement ring and B reinforcement ring are used to strengthen the connection of four A connecting plates and four B connecting plates, thereby improving the internal structural strength of the integrated gear and improving the service life of the integrated gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the active integrated gear structure and the auxiliary integrated gear structure of the utility model.

[0020] Figure 2 This is a schematic diagram of the split structure of the active integrated gear structure of the utility model.

[0021] Figure 3 It is a schematic diagram of the structure of the plug-in A reinforcement mechanism of the utility model.

[0022] Figure 4 This is a schematic diagram of the auxiliary integrated gear structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the structure of the sun drying drum body of the utility model.

[0024] In the figure: 1. drying drum body; 2. active integrated gear structure; 201. front active gear; 202. middle bearing roller plate; 203. rear active gear; 3. plug-in A reinforcement mechanism; 301. A plug-in ring; 302. A connecting plate; 303. A reinforcement ring; 4. auxiliary integrated gear structure; 401. front auxiliary gear; 402. middle bearing auxiliary plate; 403. rear auxiliary gear; 5. B reinforcement mechanism; 501. B plug-in ring; 502. B connecting plate; 503. B reinforcement ring; 6. A plug-in slot; 7. B plug-in slot. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] The utility model provides Figure 1-5 The gear assembly for a printer shown in the figure is installed inside a sun drying drum body 1. An active integrated gear structure 2 is rotatably connected inside the sun drying drum body 1. The active integrated gear structure 2 includes a front active gear 201, a middle bearing roller plate 202 and a rear active gear 203. The front active gear 201 and the rear active gear 203 are both fixedly connected inside with a plug-in A reinforcement mechanism 3. The plug-in A reinforcement mechanism 3 includes an A plug-in ring 301, an A connecting plate 302 and an A reinforcement ring 303. The surface of the active integrated gear structure 2 is meshed and rotatably connected with an auxiliary integrated gear structure 4. By setting the active integrated gear structure 2 and the auxiliary integrated gear structure 4, the stability of the adjacent integrated gear transmission of the printer is improved. The auxiliary integrated gear structure 4 includes a front auxiliary gear 401, a middle auxiliary gear plate 402 and a rear auxiliary gear 403. The front auxiliary gear 401 and the rear auxiliary gear 403 are both fixedly connected with a B reinforcement mechanism 5 inside. The B reinforcement mechanism 5 includes a B plug ring 501, a B connecting plate 502 and a B reinforcement ring 503. By setting the A reinforcement ring 303 and the B reinforcement ring 503, the service life of the integrated gear is improved.

[0027] The back of the front driving gear 201 is integrally fixedly connected with a middle supporting roller movable piece 202, and the back of the middle supporting roller movable piece 202 is integrally fixedly connected with a rear driving gear 203. The setting of the middle supporting roller movable piece 202 forms an inner concave shape of the active integrated gear structure 2, which facilitates the insertion-type limiting of two adjacent gears.

[0028] There are four A connecting pieces 302, one end of each of the four A connecting pieces 302 is evenly fixed on the inner side walls of the front driving gear 201 and the rear driving gear 203 in a cross shape, the other end of each of the four A connecting pieces 302 is fixedly connected to an A plug ring 301, and the surfaces of the four A connecting pieces 302 are penetrated by an A reinforcement ring 303, and the setting of the A connecting piece 302 plays a role in fixing the A plug ring 301.

[0029] The back of the front auxiliary gear 401 is integrally fixedly connected with a middle auxiliary gear piece 402, and the back of the middle auxiliary gear piece 402 is integrally fixedly connected with a rear auxiliary gear 403. The arrangement of the middle auxiliary gear piece 402 forms a convex shape for the auxiliary integrated gear structure 4.

[0030] The surface of the front driving gear 201 is meshed and rotated with the front auxiliary gear 401, the surface of the middle bearing roller plate 202 is meshed and rotated with the middle bearing auxiliary gear 402, and the surface of the rear driving gear 203 is meshed and rotated with the rear auxiliary gear 403. Through the comprehensive arrangement of the front driving gear 201 and the front auxiliary gear 401 as well as the rear driving gear 203 and the rear auxiliary gear 403, the meshing rotation efficiency of the gears is improved.

[0031] There are four B connecting pieces 502, one end of each of the four B connecting pieces 502 is evenly fixed on the inner side walls of the front driving gear 201 and the rear driving gear 203 in a cross shape, the other end of each of the four B connecting pieces 502 is fixedly connected to a B plug ring 501, and the surfaces of the four B connecting pieces 502 are penetrated by a B reinforcement ring 503, and the setting of the B connecting piece 502 plays a role in fixing the B plug ring 501.

[0032] The surfaces of the A plug-in ring 301 and the middle supporting roller movable plate 202 are both straight-lined and have an A plug-in groove 6 therethrough; the surfaces of the B plug-in ring 501 and the middle supporting auxiliary movable plate 402 are both straight-lined and have a B plug-in groove 7 therethrough. The arrangement of the A plug-in groove 6 and the B plug-in groove 7 facilitates the plug-in of the gears, and the integrated gears are rotatably connected through the plug-in roller that can rotate on the drying drum body 1.

[0033] Working principle: the middle bearing auxiliary moving piece 402 of the auxiliary integrated gear structure 4 is inserted into the interior of the active integrated gear structure 2, so that the surface of the middle bearing auxiliary moving piece 402 meshes and rotates on the surface of the middle bearing roller moving piece 202, and the front driving gear 201 and the rear driving gear 203 of the active integrated gear structure 2 laterally limit the middle bearing auxiliary moving piece 402 plugged in the middle, and at the same time, the surfaces of the front driving gear 201 and the front auxiliary driving gear 401 as well as the rear driving gear 203 and the rear auxiliary driving gear 403 are meshed and rotated; the integrated gear is provided with an A plug ring 301 and an A connecting piece 302 as well as a B plug ring 501 and a B connecting piece 502, so that the internal structural strength of the gear becomes lower, and then the A reinforcement ring 303 and the B reinforcement ring 503 are used to connect and strengthen the four A connecting pieces 302 and the four B connecting pieces 502.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gear assembly for a printer, which is installed inside a sun drying drum body (1), wherein the sun drying drum body (1) is rotatably connected to an active integrated gear structure (2), wherein the active integrated gear structure (2) comprises a front active gear (201), a middle bearing roller moving plate (202) and a rear active gear (203), wherein the front active gear (201) and the rear active gear (203) are both fixedly connected to an inserting A reinforcement mechanism (3) inside, wherein the inserting A reinforcement mechanism (3) comprises an A inserting ring (301), an A connecting plate (302), and a rear connecting plate (303). 2) and an A reinforcement ring (303), the surface of the active integrated gear structure (2) is meshed and rotatably connected with an auxiliary integrated gear structure (4), the auxiliary integrated gear structure (4) comprises a front auxiliary gear (401), a middle auxiliary gear plate (402) and a rear auxiliary gear (403), the interiors of the front auxiliary gear (401) and the rear auxiliary gear (403) are both fixedly connected with a B reinforcement mechanism (5), the B reinforcement mechanism (5) comprises a B plug ring (501), a B connecting plate (502) and a B reinforcement ring (503).

2. A gear assembly for a printer according to claim 1, characterized in that: The back side of the front driving gear (201) is integrally and fixedly connected with a middle supporting roller movable plate (202), and the back side of the middle supporting roller movable plate (202) is integrally and fixedly connected with a rear driving gear (203).

3. A gear assembly for a printer according to claim 1, characterized in that: The number of the A connecting pieces (302) is four, one end of the four A connecting pieces (302) is evenly fixed on the inner side walls of the front driving gear (201) and the rear driving gear (203) in a cross shape, the other end of the four A connecting pieces (302) is fixedly connected to the A plug ring (301), and the surfaces of the four A connecting pieces (302) are all penetrated and connected with the A reinforcement ring (303).

4. A gear assembly for a printer according to claim 1, characterized in that: The back side of the front auxiliary drive gear (401) is integrally fixedly connected with a middle supporting auxiliary drive plate (402), and the back side of the middle supporting auxiliary drive plate (402) is integrally fixedly connected with a rear auxiliary drive gear (403).

5. A gear assembly for a printer according to claim 1, characterized in that: The surface of the front driving gear (201) is meshed and rotated with a front auxiliary driving gear (401), the surface of the middle bearing roller movable plate (202) is meshed and rotated with a middle bearing auxiliary movable plate (402), and the surface of the rear driving gear (203) is meshed and rotated with a rear auxiliary driving gear (403).

6. A gear assembly for a printer according to claim 1, characterized in that: The number of the B connecting pieces (502) is four, one end of the four B connecting pieces (502) is evenly fixed on the inner side walls of the front driving gear (201) and the rear driving gear (203) in a cross shape, the other end of the four B connecting pieces (502) is fixedly connected to the B plug ring (501), and the surfaces of the four B connecting pieces (502) are all penetrated and connected with the B reinforcement ring (503).

7. A gear assembly for a printer according to claim 1, characterized in that: The surfaces of the A plug-in ring (301) and the middle bearing roller movable plate (202) are both straight-lined and provided with an A plug-in groove (6), and the surfaces of the B plug-in ring (501) and the middle bearing auxiliary movable plate (402) are both straight-lined and provided with a B plug-in groove (7).

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