CN219512515U

CN219512515U - Fixing structure of fixing lower roller

Info

Publication number: CN219512515U
Application number: CN202320252167.1U
Authority: CN
Inventors: 谭海平
Original assignee: Zhuhai Haiping Office Equipment Co ltd
Current assignee: Zhuhai Haiping Office Equipment Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-08-11
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to a fixing structure of a fixing lower roller, which comprises a base and a fixing lower roller body, wherein the fixing lower roller body is arranged above the base, a fixing mechanism for fixing the fixing lower roller body is arranged on the upper surface of the base, a cleaning mechanism for cleaning the fixing lower roller body is arranged in the fixing mechanism, the fixing mechanism comprises a bearing assembly and a fixing assembly, the bearing assembly comprises a bearing seat and a protective end cover, the bearing seat is fixed on the left side of the upper surface of the base, the protective end cover is fixed in the bearing seat, and one end of the fixing lower roller body is inserted in the protective end cover. According to the fixing structure of the fixing lower roller, one end of the fixing lower roller body is inserted into the protecting end cover, then the other end of the fixing lower roller body is placed into the placing groove, and the locating end cover is driven by the rotary threaded rod to be sleeved at the other end of the fixing lower roller body, so that the fixing of the fixing lower roller body is realized.

Description

Fixing structure of fixing lower roller

Technical Field

The utility model relates to the technical field of printers and accessories thereof, in particular to a fixing structure of a fixing lower roller.

Background

At present, a fixing roller is a main device for fixing a printed toner image of a printer, is a key component of a fixing part of the printer, and consists of an upper fixing roller and a lower fixing roller, wherein the upper fixing roller is positioned at the upper part of the fixing device, and the high temperature required for fixing is the toner image conducted by the upper fixing roller and applied to printing paper.

In the in-process of the work of the use of printer, thereby realize the effect of printing through the cooperation of fixation lower roll and fixation upper roll, owing to long-time printing work, can make fixation lower roll and fixation upper roll's surface all adhere to have the carbon dust, the inside fixation lower roll of printer is direct to be connected with the box shell at present, has certain inconvenience when maintaining the fixation lower roll, so proposes the fixed knot of a fixation lower roll constructs, solves foretell technical problem.

Disclosure of Invention

Aiming at the defects of the prior art, the fixing structure of the fixing lower roller has the advantages of being convenient to disassemble and assemble the fixing lower roller and the like, and solves the problem that the fixing lower roller is directly connected with the shell of the box body and has certain inconvenience in maintenance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the fixing structure of the fixing lower roller comprises a base and a fixing lower roller body, wherein the fixing lower roller body is arranged above the base, a fixing mechanism for fixing the fixing lower roller body is arranged on the upper surface of the base, and a cleaning mechanism for cleaning the fixing lower roller body is arranged in the fixing mechanism;

the fixing mechanism comprises a bearing assembly and a fixing assembly, the bearing assembly comprises a bearing seat and a protection end cover, the bearing seat is fixed on the left side of the upper surface of the base, the protection end cover is fixed in the bearing seat, and one end of the fixing lower roller body is inserted into the protection end cover.

Further, the shape of protection end cover is inside cavity and right side missing cylinder, fixing roller body grafting is to the external diameter of protection end cover one end and the internal diameter looks adaptation of protection end cover down.

Further, fixed subassembly includes the supporting seat, places recess, locating lever, threaded rod, connecting plate and location end cover, the right side at the base upper surface is fixed to the supporting seat, place the recess and offer the inside at the supporting seat and be used for the other end of fixation lower roll body to put into, the locating lever is fixed on the right side of supporting seat, the threaded rod rotates the back of connecting at the supporting seat, the connecting plate laminating is on the right side of supporting seat and with threaded rod threaded connection, the inside at the connecting plate is fixed to the location end cover and the suit is at the other end of fixation lower roll body.

Further, a threaded through hole for being in threaded connection with the threaded rod is formed in the connecting plate, and a penetrating through hole for the positioning rod to penetrate is formed in the connecting plate.

Further, the right-hand member of threaded rod is fixed with the hand wheel, threaded rod and locating lever are the front and back both sides of the vertical axis of symmetric distribution at the supporting seat.

Further, the cleaning mechanism comprises a shaft rod, a sleeve, two torsion springs and a scraping plate, wherein the shaft rod is fixed between one side of the bearing seat opposite to the supporting seat, the sleeve is rotationally connected to the outer side of the shaft rod, the two torsion springs are respectively fixed on the left side and the right side of the sleeve, the other ends of the two torsion springs are respectively fixedly connected with the bearing seat and the supporting seat, and the scraping plate is vertically fixed on the outer side of the sleeve and one side of the scraping plate is attached to the outer side of the fixing lower roller body.

Further, the two torsion springs are respectively sleeved on the outer sides of the shaft rods, and the scraping plates are silica gel plates.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. according to the fixing structure of the fixing lower roller, one end of the fixing lower roller body is inserted into the protecting end cover, then the other end of the fixing lower roller body is placed into the placing groove, and the locating end cover is driven by the rotary threaded rod to be sleeved at the other end of the fixing lower roller body, so that the fixing of the fixing lower roller body is realized.

2. This fixed knot of fixation lower roll constructs, through setting up the scraper blade in the fixation lower roll body outside, when fixation lower roll body is rotatory, the carbon powder of its outside adhesion hangs down through the scraper blade to effectual clearance to fixation lower roll body adopts the scraper blade of silica gel material simultaneously can effectual protection fixation lower roll body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a securing mechanism according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;

FIG. 4 is a schematic view of a cleaning mechanism according to the present utility model;

fig. 5 is an enlarged schematic view of the structure B in fig. 4 according to the present utility model.

In the figure: 1. a base; 2. a fixing lower roller body; 3. a fixing mechanism; 301. a bearing seat; 302. protecting the end cover; 303. a support base; 304. placing the groove; 305. a positioning rod; 306. a threaded rod; 307. a connecting plate; 308. positioning an end cover; 4. a cleaning mechanism; 401. a shaft lever; 402. a sleeve; 403. a torsion spring; 404. a scraper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a fixing structure of a fixing lower roller in the present embodiment includes a base 1 and a fixing lower roller body 2, the fixing lower roller body 2 is disposed above the base 1, a fixing mechanism 3 for fixing the fixing lower roller body 2 is disposed on an upper surface of the base 1, and a cleaning mechanism 4 for cleaning the fixing lower roller body 2 is disposed inside the fixing mechanism 3.

Referring to fig. 2-3, in order to facilitate fixing the fixing lower roller body 2, the fixing mechanism 3 in this embodiment includes a bearing assembly and a fixing assembly, the bearing assembly includes a bearing seat 301 and a protecting end cover 302, when the fixing lower roller body 2 is installed and fixed, one end of the fixing lower roller body 2 is first inserted into the protecting end cover 302, the bearing seat 301 is fixed on the left side of the upper surface of the base 1, the protecting end cover 302 is fixed in the bearing seat 301, and one end of the fixing lower roller body 2 is inserted into the protecting end cover 302.

The protective end cover 302 is in the shape of a cylinder with a hollow inside and a missing right side, and the outer diameter of one end of the fixing lower roller body 2 inserted into the protective end cover 302 is matched with the inner diameter of the protective end cover 302.

It is understood that, when the fixing under roller body 2 is mounted, first, one end of the fixing under roller body 2 is inserted into the inside of the protective end cover 302, and the fixing under roller body 2 is rotatably connected to the inside of the fixing under roller body 2.

The fixing component comprises a supporting seat 303, a placing groove 304, a positioning rod 305, a threaded rod 306, a connecting plate 307 and a positioning end cover 308, wherein the supporting seat 303 is fixed on the right side of the upper surface of the base 1, the placing groove 304 is formed in the supporting seat 303 and is used for placing the other end of the fixing lower roller body 2, then the other end of the fixing lower roller body 2 is placed in the placing groove 304 in the supporting seat 303, the positioning rod 305 is fixed on the right side of the supporting seat 303, the threaded rod 306 is rotationally connected to the back of the supporting seat 303, the connecting plate 307 is attached to the right side of the supporting seat 303 and is in threaded connection with the threaded rod 306, when the connecting plate 307 is attached to the right side of the supporting seat 303, the positioning end cover 308 is just sleeved on the other end of the fixing lower roller body 2, the fixing lower roller body 2 is fixed, the positioning end cover 308 is fixed in the connecting plate 307 and is sleeved on the other end of the fixing lower roller body 2, and the connecting plate 307 and the positioning end cover 308 are driven to move towards the supporting seat 303 through the rotating threaded rod 306.

The inside of connecting plate 307 has offered the screw thread through-hole that supplies with threaded rod 306 threaded connection, and the inside of connecting plate 307 has offered the through-hole that supplies locating lever 305 to run through, and the right-hand member of threaded rod 306 is fixed with the hand wheel, rotates the hand wheel and drives the threaded rod 306 rotation of being connected with it, and threaded rod 306 and locating lever 305 are the front and back both sides of the vertical axis of symmetric distribution at supporting seat 303.

The fixing mechanism 3 in this embodiment is configured to fix the fixing lower roller body 2 by inserting one end of the fixing lower roller body 2 into the protecting end cover 302 and then placing the other end into the placing groove 304, and driving the positioning end cover 308 to be sleeved on the other end of the fixing lower roller body 2 by rotating the threaded rod 306.

Referring to fig. 4-5, in order to play a role in cleaning the fixing roller body 2, the cleaning mechanism 4 in this embodiment includes a shaft 401, a sleeve 402, two torsion springs 403 and a scraper 404, the shaft 401 is fixed between one side of the bearing seat 301 opposite to the supporting seat 303, the sleeve 402 is rotatably connected to the outer side of the shaft 401, the two torsion springs 403 are respectively fixed on the left and right sides of the sleeve 402, and the other ends of the two torsion springs 403 are respectively fixedly connected to the bearing seat 301 and the supporting seat 303, the scraper 404 is vertically fixed on the outer side of the sleeve 402, and one side of the scraper 404 is attached to the outer side of the fixing roller body 2, when carbon powder is adhered to the outer side of the fixing roller body 2, the fixing roller body 2 is rotated to contact with the scraper 404, that is, the scraper 404 scrapes the carbon powder adhered to the outer side of the fixing roller body 2 during the rotation of the fixing roller body 2.

It will be appreciated that when the blade 404 is depressed, the blade 404 rotates the sleeve 402 connected thereto a short distance, and the sleeve 402 twists the torsion springs 403 at the left and right ends thereof.

Two torsional springs 403 are all overlapped in the outside of axostylus axostyle 401 respectively, and scraper blade 404 is the silica gel board, adopts the scraper blade 404 of silica gel material can effectually protect fixation lower roll body 2 for scraper blade 404 can effectually laminate with fixation lower roll body 2 through the elasticity effect of torsional spring 403, thereby effectually hang down the carbon dust that fixation lower roll body 2 adhered.

In the cleaning mechanism 4 in this embodiment, the scraper 404 is disposed on the outer side of the fixing lower roller body 2, so that when the fixing lower roller body 2 rotates, the toner adhered on the outer side of the fixing lower roller body is hung down by the scraper 404, and the fixing lower roller body 2 is cleaned effectively.

The working principle of the embodiment is as follows:

(1) When fixing the fixing lower roller body 2, firstly, one end of the fixing lower roller body 2 is inserted into the protective end cover 302, then the other end of the fixing lower roller body 2 is placed in the placing groove 304 in the supporting seat 303, the connecting plate 307 and the positioning end cover 308 are driven to move towards the direction of the supporting seat 303 by rotating the threaded rod 306, and after the connecting plate 307 is attached to the right side of the supporting seat 303, the positioning end cover 308 is just sleeved at the other end of the fixing lower roller body 2, so that the fixing effect on the fixing lower roller body 2 is realized.

(2) When the carbon powder is adhered to the outer side of the fixing lower roller body 2, the fixing lower roller body 2 rotates to be in contact with the scraping plate 404, namely, the scraping plate 404 scrapes the carbon powder adhered to the outer side of the fixing lower roller body 2 in the rotating process of the fixing lower roller body 2, when the scraping plate 404 is pressed down, the scraping plate 404 drives the sleeve 402 connected with the scraping plate 404 to rotate in a short distance, the sleeve 402 twists torsion springs 403 at the left end and the right end of the sleeve, and the scraping plate 404 can be effectively attached to the fixing lower roller body 2 under the elastic force of the torsion springs 403, so that the carbon powder adhered to the fixing lower roller body 2 is effectively hung.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixed knot of fixation lower roll constructs, includes base (1) and fixation lower roll body (2), its characterized in that: the fixing lower roller body (2) is arranged above the base (1), a fixing mechanism (3) for fixing the fixing lower roller body (2) is arranged on the upper surface of the base (1), and a cleaning mechanism (4) for cleaning the fixing lower roller body (2) is arranged in the fixing mechanism (3);

the fixing mechanism (3) comprises a bearing assembly and a fixing assembly, the bearing assembly comprises a bearing seat (301) and a protective end cover (302), the bearing seat (301) is fixed on the left side of the upper surface of the base (1), the protective end cover (302) is fixed in the bearing seat (301), and one end of the fixing lower roller body (2) is inserted in the protective end cover (302).

2. The fixing structure of a fixing lower roller according to claim 1, wherein: the shape of the protective end cover (302) is a cylinder with hollow inside and missing right side, and the outer diameter of one end of the fixing lower roller body (2) inserted into the protective end cover (302) is matched with the inner diameter of the protective end cover (302).

3. The fixing structure of a fixing lower roller according to claim 1, wherein: the fixing assembly comprises a supporting seat (303), a placing groove (304), a positioning rod (305), a threaded rod (306), a connecting plate (307) and a positioning end cover (308), wherein the supporting seat (303) is fixed on the right side of the upper surface of the base (1), the placing groove (304) is formed in the supporting seat (303) and used for placing the other end of the fixing lower roller body (2), the positioning rod (305) is fixed on the right side of the supporting seat (303), the threaded rod (306) is rotationally connected to the back of the supporting seat (303), the connecting plate (307) is attached to the right side of the supporting seat (303) and is in threaded connection with the threaded rod (306), and the positioning end cover (308) is fixed inside the connecting plate (307) and sleeved on the other end of the fixing lower roller body (2).

4. A fixing structure of a fixing lower roller as claimed in claim 3, wherein: the inside of connecting plate (307) is offered and is supplied with the screw thread through-hole of threaded connection with threaded rod (306), the inside of connecting plate (307) is offered and is supplied the run-through hole that locating lever (305) runs through.

5. A fixing structure of a fixing lower roller as claimed in claim 3, wherein: the right end of the threaded rod (306) is fixedly provided with a hand wheel, and the threaded rod (306) and the positioning rod (305) are symmetrically distributed on the front side and the rear side of the vertical central axis of the supporting seat (303).

6. The fixing structure of a fixing lower roller according to claim 1, wherein: the cleaning mechanism (4) comprises a shaft lever (401), a sleeve (402), two torsion springs (403) and a scraping plate (404), wherein the shaft lever (401) is fixed between one side opposite to the bearing seat (301) and one side opposite to the supporting seat (303), the sleeve (402) is rotationally connected to the outer side of the shaft lever (401), the two torsion springs (403) are respectively fixed to the left side and the right side of the sleeve (402), the other ends of the two torsion springs (403) are respectively fixedly connected with the bearing seat (301) and the supporting seat (303), and the scraping plate (404) is vertically fixed to the outer side of the sleeve (402) and one side of the scraping plate is attached to the outer side of the fixing lower roller body (2).

7. The fixing structure of a fixing lower roller as claimed in claim 6, wherein: the two torsion springs (403) are respectively sleeved on the outer sides of the shaft rods (401), and the scraping plates (404) are silica gel plates.