Fixing roller mounting rack

Abstract

The utility model relates to the technical field of printers, in particular to a fixing roller mounting rack which comprises a bottom plate, a first connecting seat and a second connecting seat are arranged on the two sides of the bottom plate respectively, a limiting ring is connected to the inner side surface of the first connecting seat, a heat insulation pad is arranged in the limiting ring, and a moving part is connected to the tail end of the bottom of the first connecting seat. A plurality of pulleys are arranged on the inner surfaces of the second connecting bases, and the two second connecting bases are oppositely installed. According to the fixing roller mounting rack, heat transfer between the fixing roller and the mounting rack is reduced through the heat insulation pad of the first connecting seat, friction in the rotating process of the fixing roller is reduced through the pulley of the second connecting seat, wear of the fixing roller is reduced, and the dismounting difficulty of the fixing roller is reduced through opening and closing of the second connecting seat.

Description

TECHNICAL FIELD

[0001] The utility model relates to printer technical field, concretely is a fixing roller mounting bracket. BACKGROUND

[0002] After printing, the carbon powder developed in the printing process is left on the paper surface, so the fixing assembly is used, and the fixing roller is an important component of the fixing assembly, usually located at the upper part of the fixing assembly, and high temperature is generated through the heating lamp tube to fix the carbon powder image on the paper.

[0003] The surface of the fixing roller is easy to accumulate carbon powder in long-term use, thereby polluting the paper in the subsequent fixing process, resulting in problems such as blurred printed content, so the fixing roller needs to be frequently disassembled and cleaned, but the fixing roller is usually integrally installed with the mounting bracket at the present stage, and the mounting bracket is fixed with the main body part of the printer, which is more troublesome to disassemble, and the two ends of the fixing roller are easy to produce large wear by long-term rotating friction with the mounting bracket, thereby shortening the service life of the fixing roller.

[0004] In order to solve the above problems, we improve it and propose a fixing roller mounting bracket. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0006] The utility model provides a fixing roller mounting bracket, including the bottom plate, both sides of the bottom plate are equipped with first connecting seat and second connecting seat, the inside surface of first connecting seat is connected with limiting ring, the inside of limiting ring is equipped with heat insulation pad, the bottom end of first connecting seat is connected with moving piece, the inner surface of second connecting seat is equipped with a plurality of pulleys, two second connecting seat opposite installation.

[0007] As a preferred technical scheme of the utility model, the bottom end of the first connecting seat and the moving piece are hinged through the torsional spring, and the inner surfaces of the first connecting seat and the moving piece form an arc, the inner surfaces of the first connecting seat and the moving piece are respectively fixedly installed with a clamping strip, and the outer surface of the limiting ring is provided with a clamping groove.

[0008] As a preferred technical scheme of the utility model, the clamping strip and the inner surface of the clamping groove are slidingly connected, the limiting ring is rotatably connected with the first connecting seat through the clamping groove, the inner surface of the limiting ring is pasted with the heat insulation pad, the both ends of the heat insulation pad are respectively penetrated through the both ends of the limiting ring, the heat insulation pad has a I-shaped structure with wide both ends and narrow middle part, and the outer diameter of the both ends of the heat insulation pad is greater than the inner diameter of the limiting ring.

[0009] As a preferred technical scheme of the utility model, the bottom of the first connecting seat is fixedly connected with a clamping plate, the inner bottom surface of the bottom plate is provided with a bottom groove, the lateral surface of the bottom plate is fixedly installed with a side plate, the bottom of the clamping plate is attached to the inner lateral surface of the bottom groove and the side plate, and the bottom plate and the clamping plate are fixedly connected through bolts.

[0010] As a preferred technical scheme of the utility model, the other end of the bottom plate is fixedly installed with a fixed plate, the inside of the fixed plate is provided with a sliding groove, the inner surface of the sliding groove is rotatably installed with a bidirectional threaded rod, the two ends of the bidirectional threaded rod are respectively threadedly connected with a connecting frame in sliding connection with the fixed plate, the top of the two connecting frames is respectively fixedly connected with the bottom of two second connecting seats, the lateral surface of the fixed plate is rotatably installed with a knob, and the knob is coaxially fixedly connected with the bidirectional threaded rod.

[0011] As a preferred technical scheme of the utility model, the bottom inner lateral surface of the two second connecting seats is attached, the inner surface of the second connecting seat is provided with a reserved groove, the plurality of pulleys are rotatably installed in the inside of the reserved groove, the inner surfaces of the two second connecting seats form an arc, and the arc inner diameters of the inner surfaces of the two second connecting seats are consistent with the inner diameter of the heat insulation pad.

[0012] As a preferred technical scheme of the utility model, the inner bottom surface of the bottom plate is provided with a heat dissipation groove, the lateral surface of the bottom plate is fixedly installed with a fixed frame, and the bottom plate is connected with the main body structure of the printer through bolts and the fixed frame.

[0013] The fixing roller mounting frame has the advantages that the heat insulation pad of the first connecting seat reduces the heat transfer between the fixing roller and the mounting frame, the pulley of the second connecting seat reduces the friction in the rotating process of the fixing roller, the wear of the fixing roller is reduced, and the dismounting difficulty of the fixing roller is reduced through the opening and closing of the second connecting seat. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model.

[0015] Fig. 1 It is the overall structure structure schematic view of the utility model;

[0016] Fig. 2 It is the enlarged structure schematic view of A of the utility model;

[0017] Fig. 3 It is the section structure schematic view of the utility model;

[0018] In the diagram: 1. Base plate; 2. First connecting seat; 3. Second connecting seat; 4. Fixing frame; 5. Clamping plate; 6. Limiting ring; 7. Heat insulation pad; 8. Slot; 9. Moving part; 10. Pulley; 11. Reserved slot; 12. Knob; 13. Fixing plate; 14. Connecting frame; 15. Slide groove; 16. Two-way threaded rod; 17. Heat dissipation groove; 18. Clamping strip; 19. Bottom groove; 20. Side plate. Detailed Implementation

[0019] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0020] Example: Figs. 1-3 As shown, a fixing roller mounting bracket includes a base plate 1. A first connecting seat 2 and a second connecting seat 3 are respectively provided on both sides of the base plate 1. A limit ring 6 is connected to the inner surface of the first connecting seat 2. A heat insulation pad 7 is provided inside the limit ring 6. A movable part 9 is connected to the bottom end of the first connecting seat 2. A plurality of pulleys 10 are provided on the inner surface of the second connecting seat 3. The two second connecting seats 3 are installed opposite each other.

[0021] The bottom end of the first connecting seat 2 is hinged to the moving part 9 by a torsion spring, and the inner surfaces of the first connecting seat 2 and the moving part 9 form an arc shape. The inner surfaces of the first connecting seat 2 and the moving part 9 are respectively fixedly installed with a retaining strip 18, and the outer surface of the limiting ring 6 is provided with a retaining groove 8.

[0022] The card strip 18 is slidably connected to the inner surface of the card groove 8, and the limiting ring 6 is rotatably connected to the first connecting seat 2 through the card groove 8. A heat insulation pad 7 is attached to the inner surface of the limiting ring 6. The two ends of the heat insulation pad 7 pass through the two ends of the limiting ring 6 respectively. The heat insulation pad 7 has an I-shaped structure that is wide at both ends and narrow in the middle. The outer diameter of the two ends of the heat insulation pad 7 is larger than the inner diameter of the limiting ring 6.

[0023] After the heat insulation pad 7 is firmly attached to the inner surface of the limiting ring 6, one end of the fixing roller is inserted into the inner ring of the heat insulation pad 7. After prying the moving part 9 outward, the limiting ring 6 is placed into the first connecting seat 2 as a whole. At this time, the locking strip 18 is locked in the slot 8 to prevent the limiting ring 6 from shifting during rotation.

[0024] The bottom of the first connecting seat 2 is fixedly connected to a clamping plate 5. The bottom surface of the base plate 1 is provided with a bottom groove 19. The side surface of the base plate 1 is fixedly installed with a side plate 20. The bottom of the clamping plate 5 is in contact with the bottom groove 19 and the inner surface of the side plate 20. The base plate 1 and the clamping plate 5 are fixedly connected by bolts. The bolts can realize the quick assembly and disassembly of the base plate 1 and the clamping plate 5. One end of the clamping plate 5 is stuck inside the bottom groove 19 to improve the stability of the first connecting seat 2.

[0025] The other end of the bottom plate 1 is fixedly provided with a fixed plate 13, a sliding groove 15 is formed in the fixed plate 13, a two-way threaded rod 16 is rotatably arranged on the inner surface of the sliding groove 15, two connecting frames 14 which are slidably connected with the fixed plate 13 are threadedly connected with the two ends of the two-way threaded rod 16 respectively, the top portions of the two connecting frames 14 are fixedly connected with the bottoms of the two second connecting seats 3 respectively, a knob 12 is rotatably arranged on the side surface of the fixed plate 13, the knob 12 is coaxially fixedly connected with the two-way threaded rod 16, and the distance between the two second connecting seats 3 can be adjusted by rotating the two-way threaded rod 16 to clamp the other end of the fixing roller.

[0026] The inner side surfaces of the bottoms of the two second connecting seats 3 are attached, a reserved groove 11 is formed in the inner surface of the second connecting seat 3, a plurality of pulleys 10 are rotatably arranged in the reserved groove 11, the inner surfaces of the two second connecting seats 3 are arc-shaped, and the inner diameters of the arc-shaped inner surfaces of the two second connecting seats 3 are consistent with the inner diameter of the heat insulation pad 7, and the plurality of pulleys 10 are synchronously rotated by the fixing roller during the rotation of the fixing roller to reduce the resistance during the rotation of the fixing roller.

[0027] The inner bottom surface of the bottom plate 1 is provided with a heat dissipation groove 17, and the side surface of the bottom plate 1 is fixedly provided with a fixed frame 4, and the bottom plate 1 is connected with the main body structure of the printer through bolts and the fixed frame 4.

[0028] Working principle: when the fixing roller mounting frame is used, the heat insulation pad 7 is attached and fastened with the inner surface of the limiting ring 6, one end of the fixing roller is inserted into the inner ring of the heat insulation pad 7, the limiting ring 6 is placed into the first connecting seat 2 after the moving piece 9 is moved outward, the clamping strip 18 is clamped in the clamping groove 8 at this time to avoid displacement of the limiting ring 6 during the rotation, the distance between the two second connecting seats 3 can be adjusted by rotating the two-way threaded rod 16 to clamp the other end of the fixing roller, and the plurality of pulleys 10 are synchronously rotated by the fixing roller during the rotation of the fixing roller to reduce the resistance during the rotation of the fixing roller.

[0029] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, and for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fixing roller mounting frame comprising a base plate (1), characterized in that, Two sides of the bottom plate (1) are respectively provided with a first connecting seat (2) and a second connecting seat (3), the inner side surface of the first connecting seat (2) is connected with a limiting ring (6), the inside of the limiting ring (6) is provided with a heat insulation pad (7), the bottom end of the first connecting seat (2) is connected with a moving piece (9), the inner surface of the second connecting seat (3) is provided with a plurality of pulleys (10), and the two second connecting seats (3) are oppositely installed.

2. The fuser roller mount of claim 1, wherein, The bottom end of the first connecting seat (2) is hinged with the moving piece (9) through a torsion spring, the inner surfaces of the first connecting seat (2) and the moving piece (9) are arc-shaped, the inner side surfaces of the first connecting seat (2) and the moving piece (9) are respectively fixedly installed with clamping strips (18), and the outer surface of the limiting ring (6) is provided with a clamping groove (8).

3. A fuser roller mounting frame according to claim 2, wherein, The clamping strips (18) are slidingly connected with the inner surfaces of the clamping grooves (8), the limiting ring (6) is rotatably connected with the first connecting seat (2) through the clamping grooves (8), the inner surface of the limiting ring (6) is pasted with the heat insulation pad (7), the two ends of the heat insulation pad (7) respectively penetrate through the two ends of the limiting ring (6), the heat insulation pad (7) has a H-shaped structure with the two ends being wide and the middle part being narrow, and the outer diameters of the two ends of the heat insulation pad (7) are greater than the inner diameter of the limiting ring (6).

4. The fuser roller mount of claim 1, wherein, The bottom of the first connecting seat (2) is fixedly connected with a clamping plate (5), the inner bottom surface of the bottom plate (1) is provided with a bottom groove (19), the side surface of the bottom plate (1) is fixedly installed with a side plate (20), the bottom of the clamping plate (5) is attached to the inner side surfaces of the bottom groove (19) and the side plate (20), and the bottom plate (1) and the clamping plate (5) are fixedly connected through bolts.

5. The fuser roller mount of claim 1, wherein, The other end of the bottom plate (1) is fixedly installed with a fixed plate (13), the inside of the fixed plate (13) is provided with a sliding groove (15), the inner surface of the sliding groove (15) is rotatably installed with a bidirectional threaded rod (16), the two ends of the bidirectional threaded rod (16) are respectively threadedly connected with connecting frames (14) which are slidingly connected with the fixed plate (13), the top parts of the two connecting frames (14) are respectively fixedly connected with the bottoms of the two second connecting seats (3), the side surface of the fixed plate (13) is rotatably installed with a knob (12), and the knob (12) is coaxially and fixedly connected with the bidirectional threaded rod (16).

6. The fuser roller mount of claim 3, wherein, The bottom inner side surfaces of the two second connecting seats (3) are attached, the inner surfaces of the second connecting seats (3) are provided with reserved grooves (11), the plurality of pulleys (10) are rotatably installed in the interiors of the reserved grooves (11), the inner surfaces of the two second connecting seats (3) are arc-shaped, and the arc-shaped inner diameters of the inner surfaces of the two second connecting seats (3) are consistent with the inner diameter of the heat insulation pad (7).

7. The fuser roller mount of claim 1, wherein, The inner bottom surface of the bottom plate (1) is provided with a heat dissipation groove (17), the side surface of the bottom plate (1) is fixedly installed with a fixed frame (4), and the bottom plate (1) is connected with a printer main body structure through bolts and the fixed frame (4).

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