TWI407272B - Toner Cartridge - Google Patents

Abstract

The present invention relates to a toner cartridge, which mainly comprises a main body having a first opening and a second opening, a revolving body rotationally sleeved on the main body, and a slide cover with an opening slidingly provided on the main body. The revolving body has a first slot and a second slot, and the slide cover corresponds to the second slot of revolving body. For the toner cartridge of this invention, when a user makes a mistake unconsciously and causes the revolving body to turn relative to the main body, only the first opening of the main body is exposed outside through the first slot of revolving body and the second opening of the main body is still covered by the slide cover. Therefore, the toner cartridge of this invention can effectively reduce the powder leakage owing to user's misoperation.

Description

Toner cartridge

The invention relates to a toner cartridge, in particular to a toner cartridge which can reduce the amount of powder leakage when a user malfunctions.

At present, the commonly used toner cartridge is provided with a powder outlet and a waste powder inlet, and the powder outlet is used to allow toner to enter the electronic imaging device from the toner cartridge, and the waste powder inlet is used for recycling electronic imaging. The remaining toner is used in the unit.

The first and second figures are a conventional toner cartridge (10). The toner cartridge (10) comprises a body (12), a set of rotating bodies (14) disposed on the body (12), and a gasket (16). The body (12) has a powder outlet (122) and a waste powder inlet (124), the rotating body (14) has a first slot (142) and a second slot (144), the rotating body (14) being displaceable relative to the body (12) between an open position (P1) and a closed position (P2), the spacer (16) being disposed on the rotating body (14) and the body (12) It is filled with powder outlet (122) and waste powder inlet (124).

When the conventional toner cartridge (10) is not in use, the rotating body (14) is held in the closed position (P2), and when the toner cartridge (10) is mounted in an electronic imaging device, The operation of the toner cartridge (10), the rotating body (14) will rotate relative to the body (12), and rotate from the closed position (P2) to the open position (P1) to make the toner cartridge (10) It is possible to supply powder normally and recover excess toner. However, when the toner cartridge (10) is not installed in the electronic imaging device, the rotating body (14) is sometimes rotated to the open position (P1) due to a user's malfunction, and the body is discharged. The powder mouth (122) and the waste powder inlet (124) will be exposed at the same time, so that the toner will leak out from the powder outlet (122) and the waste powder inlet (124) at the same time, resulting in improper waste of the toner.

In addition, since the rotating body (14) is made of plastic injection, the hole wall of the inner receiving hole has a certain draft taper, so that when the rotating body (14) is sleeved on the body (12), The gap between the rotating body (14) and the body (12) gradually increases along the axial direction of the rotating body. However, the conventional toner cartridge (10) is provided with a spacer (16) having a uniform thickness on the body (12). The powder outlet (122) and the waste powder inlet (124) are located between the body (12) and the rotating body (14), and the gasket cannot fully fill the gap described above, resulting in a powder leakage phenomenon.

In view of the above, it is a primary object of the present invention to provide a toner cartridge which can effectively reduce the amount of powder leakage when a user malfunctions.

The main object of the present invention is to provide a toner powder which can avoid the phenomenon of powder leakage during normal use.

In order to achieve the foregoing, a toner cartridge provided by the present invention mainly includes a body, a rotating body disposed on the body, and a sliding cover disposed on the body. The body has a first opening and a second opening; the rotating body has a first slot and a second slot, and the rotating body is opposite to the body between a first position and a second position Rotating, when the rotating body is in the first position, the first opening of the body is shielded by the rotating body, and the second opening of the body corresponds to the second slot of the rotating body, and when the rotating body is in the second position The first opening of the body corresponds to the first slot of the rotating body, and the second opening of the body still corresponds to the second slot of the rotating body; the sliding cover has an opening and is located at the first of the rotating body In the two slots, the sliding cover is slidable relative to the body between a closed position and an open position. When the rotating body is in the first position, the sliding cover is stopped in the closed position to shield the body. The opening, when the rotating body is in the second position, the sliding cover can be slid to an open position by an external force, so that the sliding cover opening corresponds to the second opening of the body. Therefore, when the toner cartridge of the present invention is not installed in the electronic imaging device, the first opening and the second opening of the body are shielded, so that there is no leakage of the toner, and further, the toner cartridge of the present invention is used. When the rotating body is rotated relative to the body due to a malfunction of the user, only the first opening is exposed through the first slot of the rotating body, and the second The opening can still be blocked by the sliding cover that is stopped in the closed position, so that the toner only leaks out from the first opening, so that the toner leakage amount of the toner can be effectively reduced.

The detailed construction of the toner cartridge provided by the present invention and its features will be described below in conjunction with the drawings, and the scope of the present invention can be easily implemented by those skilled in the art.

The following is a brief description of the contents of the drawings used in conjunction with the embodiments of the present invention, wherein: FIG. 3 is a perspective view showing a state in which the toner cartridge is in the first position according to a preferred embodiment of the present invention. The fourth figure is a side view showing a part of the body of the toner cartridge of the preferred embodiment and the first and second spacers; and FIG. 5A is a side view showing the preferred embodiment The fifth embodiment is a side view showing that the rotating body of the toner cartridge of the preferred embodiment is in the second position, and the sliding cover is in the closed position. Figure 5 is a side view showing the state in which the sliding body of the toner cartridge of the preferred embodiment is in the second position, when the slider is in the open position; and the sixth figure is the first Figure 5 is a cross-sectional view taken along line 6-6.

Referring to the third and fourth figures, a toner cartridge (20) according to a preferred embodiment of the present invention mainly includes a hollow body (30), a rotating body (40), and a first gasket (50). ), a second spacer (60) and a slider (70).

The hollow body (30) is integrally formed of plastic to accommodate toner therein. The body (30) has a head (31) and a body (33) that is integrally connected to and communicates with the head (31). Next, as shown in the fourth figure, the head (31) has a first opening (311) adjacent to the body (33) and a distance away from the body (33) and spaced from the first opening (311) A second opening (313) is provided. It is worth mentioning that, in this embodiment, the first opening (311) is set as a powder outlet of a general toner, and the second opening (313) is set as a waste toner of a general toner. The entrance is for explanation, but it is not limited to this. Next, as shown in the fourth and sixth figures, the body head (31) is respectively provided with an inverted L-shaped slide rail (315) on both sides of the second opening (313). Furthermore, the body head (31) is adjacent to the first opening (311), and has a top abutting column (317) protruding integrally from the body (30), between the two sliding rails (315) There is a card abutment (319) protruding integrally from the body (30) upward.

The rotating body (40) is injection molded from plastic. The rotating body (40) has a cylindrical body portion (41) and a pulling portion (43) integrally engaged with the body portion (41). Next, as shown in the third figure, the rotating body portion (41) has a first slot (411) and a second slot (413) spaced from the first slot (411). The length of the two slots (413) is longer than the length of the first slot (411). Furthermore, the rotating body (40) has an open end (44) adjacent to the first and second slots (411, 413) and a closed end (45), and since the rotating body (40) is The plastic is injection molded, so that the inner wall mask of the rotating body (40) has a draft taper that gradually increases from the closed end (45) toward the open end (44). In addition, as shown in the third figure and the fifth figure A, the first and second slots (411, 413) respectively have a first hole wall (411a, 413a) and a second hole wall (411b, 413b). . Furthermore, the tubular body (41) has a protrusion (415) at a position adjacent to the first slot (411).

The first gasket (50) and the second gasket (60) are sponge gaskets in this embodiment, of course, not limited thereto, as long as the opening of the toner cartridge and the electronic imaging device are enabled. The opening can be used closely. Second, the thickness of the first spacer (50) is greater than the thickness of the second spacer (60). When assembled, as shown in the fourth figure, the first spacer (50) is disposed around the first opening (311) of the body head (31), and the second spacer (60) is disposed on the second spacer (60). The second opening (313) of the body head (31) is located around the inside of the two slide rails (315). Thereby, when the rotating body (40) is sleeved on the body head (31), the first and second spacers (50, 60) can respectively cooperate with the rotating body (40) and the body head ( The actual gap between 31) so that the opening of the toner cartridge can be closely connected to the electronic imaging device to avoid powder leakage, and further, since the gasket does not need to be laid over the entire body head (31), Save on the use of gaskets.

The sliding cover (70) is integrally formed of plastic. As shown in Figures 5A through C, the slider (70) has a first end (71) and a second end (72) opposite the first end (71). Next, the slider (70) has an opening (73) adjacent to the first end portion (71) and a plurality of projections (74) projecting outwardly from the first end portion (71). Furthermore, as shown in the sixth figure, the sliding cover (70) has two ribs (75, 76) formed integrally extending downward from the left and right side edges and extending in the right and left directions.

When assembled, as described above, the first spacer (50) is disposed around the first opening (311) of the body head (31), and the second spacer (60) is disposed on the Around the second opening (313) of the body head (31), the rotating body portion (41) is sleeved on the body head (31) (as shown in the third figure), whereby The rotating body (40) is displaceable relative to the body head (31) between a first position (P3) and a second position (P4) (as shown in Figures 5 and A). Next, as shown in the fifth drawing A to C and the sixth figure, the two ribs (75, 76) of the sliding cover (70) are respectively engaged with the sliding rails (315) of the body head (31). And is disposed in the second slot (413) of the rotating body portion (41), and is opposite to the body head (31) in a closed position (Pc) (as shown in FIG. 5A and B) Sliding between an open position (Po) (as shown in Figure 5C). Furthermore, the top abutting post (317) of the body (30) extends into the first slot (411) of the rotating body (40).

The manner of use and characteristics of the toner cartridge (20) provided by the present invention will be described in detail below.

When the toner cartridge (20) provided by the present invention is not mounted in an electronic image forming apparatus, as shown in Fig. A, the rotating body (40) is held at the first position (P3). In detail, at this time, the top abutting column (317) of the body head (31) is in contact with the second hole wall (411b) of the first slot (411) of the rotating body, so that the first slot ( 411) is offset from the first opening (311), that is, the first opening (311) is shielded by the rotating body (40); at the same time, the first end of the sliding cover (71) The bumps (74) are abutted against the card abutment (319) of the body head (31), and the second end (72) of the slider is abutted against the second slot of the rotating body. a second hole wall (413b) of (413), such that the slider (70) can be stopped to cover the closed position (Pc) of the second opening (313) of the body; thus, the toner cartridge ( 20) In the normal state not installed in the electronic imaging device, the first and second openings (311, 313) are shielded without leakage of toner.

Next, in the normal state as shown in FIG. A, if the toner cartridge (20) is improperly applied to the trigger portion (43) of the toner cartridge rotating body (40), it is forced. When the rotating body (40) is rotated relative to the body head (31) to the second position (P4), as shown in FIG. 5B, the first opening (311) will correspond to the rotating body portion (41). The first slot (411) is exposed to the outside, however, the slider (70) can still be stopped at the closed position (Pc) to shield the second opening (313); thus, the Toner (20) Under the aforementioned malfunction, the toner may only leak from the first opening (311), and not like the conventional toner cartridge, and from the first and second openings, that is, the powder outlet. And the waste powder inlet leaks toner, which can reduce the amount of powder leakage.

Furthermore, when the toner cartridge (20) provided by the present invention is used in an electronic imaging device (not shown), the rotating body is pulled with the action of installing the toner cartridge (20). a triggering portion (43) for rotating the rotating body (40) relative to the body (30) from the first position (P3) to the second position (P4), in the process, the rotating body (40) a projection (415) that pushes a slider (not shown) of the electronic imaging device to rotate, because a portion of the slider engages the slider (70), causing the slider to be driven simultaneously The sliding member can move the sliding cover (70) relative to the body (30) from the closed position (Pc) to the open position (Po), so that when the rotating body (40) is stopped at In the two positions (P4), the second end portion (72) of the sliding cover (70) abuts against the second hole wall (413b) of the second slot (413) of the rotating body, and can be simultaneously stopped at The opening position (Po) enables the first and second openings (311, 313) to be exposed (as shown in FIG. 5C), and the toner cartridge (20) can normally supply powder and recover excess carbon. powder.

In other words, as shown in FIG. 5B and FIG. 5C, when the rotating body (40) is stopped at the second position (P4), or when the rotating body (40) is from the first position (P3) During the rotation to the second position (P4), the slider (70) is subjected to a force other than the sliding position (Pc) from the closed position (Pc) to the open position (Po). ) will remain in the closed position (Pc) that shields the second opening (313).

In summary, the toner cartridge of the present invention is not installed in the normal state of the electronic imaging device. When the user rotates due to a malfunction, the slider can remain in the closed position, so that the first opening of the body The second opening is not exposed at the same time, so that the toner will only leak out from the first opening, and will not leak out from both openings at the same time as the toner cartridge, so that the toner can be effectively reduced. The amount of powder leakage. In addition, since the first and second spacers have different thicknesses, the actual gap between the rotating body and the body can be respectively matched, so that the opening of the toner cartridge can be closely connected with the electronic imaging device to avoid powder leakage. Furthermore, the toner cartridge of the present invention does not require the gasket to be laid over the entire body head, thereby reducing the manufacturing cost.

10. . . Conventional toner cartridge

12. . . Ontology

122. . . Powder outlet

124. . . Waste powder entrance

14. . . Rotating body

142. . . First slot

144. . . Second slot

16. . . Gasket

P1. . . Open position

P2. . . Close position

20. . . Toner cartridge

30. . . Ontology

31. . . head

311. . . First opening

313. . . Second opening

315. . . Slide rail

317. . . Topping column

319. . . Card arrival column

33. . . Body

40. . . Rotating body

41. . . Body

411. . . First slot

411a. . . First hole wall

411b. . . Second hole wall

413. . . Second slot

413a. . . First hole wall

413b. . . Second hole wall

415. . . Bump

43. . . Trigger

44. . . Open end

45. . . Closed end

50. . . First gasket

60. . . Second gasket

70. . . Slide

71. . . First end

72. . . Second end

73. . . Opening

74. . . Bump

75,76. . . Rib

L. . . Horizontal extension line

P3. . . First position

P4. . . Second position

Pc. . . Close position

Po. . . Open position

The first picture is a perspective view showing a conventional toner cartridge;

The second figure is a side view showing the powder outlet of the body and the appearance of the waste powder inlet at the same time when the rotating body of the conventional toner cartridge is in the open position;

The third figure is a perspective view showing a toner cartridge according to a preferred embodiment of the present invention, wherein the rotating body is in the first position;

The fourth figure is a side view showing a part of the body of the toner cartridge of the preferred embodiment and the first and second gaskets;

FIG. 5A is a side view showing the state in which the rotating body of the toner cartridge of the preferred embodiment is in the first position;

FIG. 5B is a side view showing the state when the rotating body of the toner cartridge of the preferred embodiment is in the second position and the sliding cover is in the closed position;

Figure 5C is a side view showing the state in which the slider of the preferred embodiment of the toner cartridge is in the second position when the slider is in the open position;

Figure 6 is a cross-sectional view taken along line 6-6 of Figure 5A.

20. . . Toner cartridge

30. . . Ontology

317. . . Topping column

319. . . Card arrival column

40. . . Rotating body

41. . . Body

411. . . First slot

411a. . . First hole wall

411b. . . Second hole wall

413. . . Second slot

413a. . . First hole wall

415. . . Bump

43. . . Trigger

44. . . Open end

45. . . Closed end

70. . . Slide

Claims (6)

A toner cartridge comprising: a hollow body having a first opening and a second opening; a rotating body having a first slot and a second slot, the rotating system being sleeved on the body, and Rotating relative to the body between a first position and a second position, wherein when the rotating body is in the first position, the first opening of the body is shielded by the rotating body, and the second opening of the body is Corresponding to the second slot of the rotating body, wherein the first opening of the body corresponds to the first slot of the rotating body, and the second opening of the body still corresponds to the rotating body a second slot; and a sliding cover having an opening, the sliding cover is slidably disposed in the body and located in the second slot of the rotating body, the sliding cover is between a closed position and an open position When the rotating body is in the first position, the sliding frame is stopped in the closed position to shield the second opening of the body. When the rotating body is in the second position, the sliding cover can be subjected to an external force. Slide to the open position to open the slide The second opening of the body portion. The toner cartridge of claim 1, wherein the body has two sliding rails, and the sliding cover has two convex ribs slidably fitted to the two sliding rails. The toner cartridge of claim 1, wherein the body has a snap-on post that abuts the slide when the slide is in the closed position. The toner cartridge of claim 3, wherein the slider is provided with a protrusion that abuts against the card abutment of the body when the slider is in the closed position. The toner cartridge of claim 1, further comprising a first gasket disposed around the first opening of the body and located between the body and the rotating body, and a thickness smaller than the first gasket a second spacer is disposed around the second opening of the body and between the body and the rotating body, the rotating body has an open end adjacent to the first slot, and a closed adjacent to the second slot end. The toner cartridge of claim 1, wherein the body has a top abutting post adjacent to the first opening of the body and extending into the first slot of the rotating body.