CN108227447B - Process cartridge and image forming apparatus - Google Patents
Process cartridge and image forming apparatus Download PDFInfo
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- CN108227447B CN108227447B CN201611155915.5A CN201611155915A CN108227447B CN 108227447 B CN108227447 B CN 108227447B CN 201611155915 A CN201611155915 A CN 201611155915A CN 108227447 B CN108227447 B CN 108227447B
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- main body
- image forming
- forming apparatus
- process cartridge
- cartridge
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1842—Means for handling the process cartridge in the apparatus body for guiding and mounting the process cartridge, positioning, alignment, locks
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- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The invention provides a process cartridge and an image forming apparatus. Wherein the process cartridge is detachably mountable to the image forming apparatus main body, the process cartridge includes: the developing box is provided with a connecting piece; a drum cartridge including a drum cartridge main body, an accommodating portion, a locking device, and an unlocking device, the accommodating portion being provided on the drum cartridge main body, the accommodating portion accommodating the connecting member; the locking device can be matched with the accommodating part to lock and position the connecting piece so as to lock the developing box and the drum box relatively; the unlocking device is used for contacting with the image forming device body and receiving the acting force of the image forming device body in the process of mounting the processing box on the image forming device body, so as to drive the locking device to release the locking and positioning of the connecting piece, and therefore the developing box and the drum box can be separated. The invention can improve the convenience of use.
Description
Technical Field
The present invention relates to an image forming apparatus technology, and more particularly, to a process cartridge and an image forming apparatus.
Background
An image forming apparatus such as a laser printer, a copier, a multifunction machine, etc. is generally provided with a process cartridge therein.
The existing processing box generally comprises a drum box for accommodating a photosensitive drum and a developing box for accommodating a developer, wherein the developing box is detachably arranged on the drum box, an accommodating part and a locking device are arranged on the drum box, a connecting piece is arranged on the developing box, the connecting piece is positioned in the accommodating part, and the locking device can be matched with the accommodating part to lock the connecting piece so as to enable the drum box and the developing box to be relatively locked.
In the prior art, after the processing box is installed in the image forming device, if a user wants to take out the developing box independently, the locking of the locking device to the connecting piece needs to be released manually firstly, so that the connecting piece can be separated from the accommodating part, and then the developing box can be taken out independently, and the operation is inconvenient.
Disclosure of Invention
The invention provides a processing box, an image forming device and a developing box, which are used for improving the convenience of use.
The present invention provides a process cartridge detachably mountable to an image forming apparatus main body, the process cartridge including:
the developing box is provided with a connecting piece;
a drum cartridge comprising:
a drum cartridge main body;
an accommodating portion provided on the drum cartridge main body, the accommodating portion accommodating the connecting member;
the locking device can be matched with the accommodating part to lock and position the connecting piece so as to relatively lock the developing box and the drum box; and
an unlocking device for contacting the image forming apparatus main body and receiving an urging force of the image forming apparatus main body in a process of mounting the process cartridge to the image forming apparatus main body to drive the locking device to release the locking positioning of the coupling member, thereby enabling the developing cartridge and the drum cartridge to be separated.
Based on the above, according to the process cartridge provided by the invention, since the unlocking device can be contacted with the image forming apparatus main body and receive the acting force of the image forming apparatus main body in the process of mounting the process cartridge to the image forming apparatus main body, so as to drive the locking device to unlock the locking and positioning of the connecting piece, and thus the developing cartridge and the drum cartridge can be separated, the locking and positioning of the connecting piece by the locking device can be automatically unlocked in the process of mounting the process cartridge to the image forming apparatus main body, when the developing cartridge is required to be taken out from the image forming apparatus, a user can take out the developing cartridge without manually unlocking the locking device, the operation is convenient, and the use convenience of the image forming apparatus is improved.
Drawings
Fig. 1 is a schematic structural view of a process cartridge according to an embodiment of the present invention;
fig. 2 is a schematic view of a process cartridge in a state where a drum cartridge and a developing cartridge are separated according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a partial structure of an image forming apparatus main body of an image forming apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a locking device and an unlocking device of a process cartridge according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a partial structure of an image forming apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic view showing a state in which a process cartridge according to an embodiment of the present invention is held in a locking position by a retaining portion;
FIG. 7 is a schematic view showing a state in which a process cartridge according to an embodiment of the present invention is held in an unlocked position by a catch;
FIG. 8 is a schematic view showing another process cartridge according to the embodiment of the present invention in a state where the retaining portion is in the locking position;
fig. 9 is a schematic structural view of a locking device and an unlocking device of another process cartridge according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a locking device and an unlocking device of a further process cartridge according to an embodiment of the present invention;
FIG. 11 is a schematic view showing a state in which a process cartridge according to still another embodiment of the present invention is held in an unlocked position by a holding portion;
fig. 12 is a schematic structural view of another process cartridge according to an embodiment of the present invention.
Reference numerals:
101: a drum cartridge; 102: a developing cartridge;
103: a drum cartridge main body; 104: an accommodating portion;
105: a locking device; 106: an unlocking device;
107: a connecting member; 108: an image forming apparatus main body;
109: a guide rail; 110: a main body portion;
111: a chucking section; 112: a rotating shaft;
113: an elastic member; 114: a handle;
115: anti-skid projections; 116: a guide slope;
117: a holding portion; 118: a clamping surface;
119: a contact surface; 120: a limiting part;
121: a groove; 122: a pin shaft;
123: a long hole; 124: an arc-shaped surface;
125: a side wall; 126: a protrusion.
Detailed Description
Referring to fig. 1 to 5, an embodiment of the present invention provides a process cartridge detachably mountable to an image forming apparatus main body 108, the process cartridge including: the developing device comprises a developing box 102, wherein a connecting piece 107 is arranged on the developing box 102; a drum cartridge 101 including a drum cartridge main body 103, an accommodating portion 104, a locking device 105, and an unlocking device 106, the accommodating portion 104 being provided on the drum cartridge main body 103, the accommodating portion 104 accommodating the connecting member 107; the locking device 105 can cooperate with the accommodating portion 104 to lock the connecting member 107 in position so as to lock the developing cartridge 102 and the drum cartridge 101 relative to each other; the unlocking device 106 is adapted to come into contact with the image forming apparatus main body 108 and receive a force of the image forming apparatus main body 108 during the process cartridge is mounted to the image forming apparatus main body 108 to drive the locking device 105 to release the locking position of the coupling member 107, thereby enabling the separation of the developing cartridge 102 and the drum cartridge 101.
In the embodiment, since the unlocking device 106 can contact with the image forming apparatus main body 108 and receive the acting force of the image forming apparatus main body 108 in the process of mounting the process cartridge to the image forming apparatus main body 108 to drive the locking device 105 to release the locking position of the connecting member 107, so that the developing cartridge 102 and the drum cartridge 101 can be separated, the locking position of the locking device 105 to the connecting member 107 can be automatically released in the process of mounting the process cartridge to the image forming apparatus main body 108, when the developing cartridge 102 needs to be taken out from the image forming apparatus alone, a user can take out the developing cartridge 102 without manually unlocking the locking device 105, the operation is convenient, and the use convenience of the image forming apparatus is improved.
In this embodiment, it is preferable that the locking device 105 is capable of restoring the locking position of the coupling member 107 in a state where the unlocking device 106 is separated from the image forming apparatus main body 108 to lock the developing cartridge 102 and the drum cartridge 101 relatively. When it is necessary to take out the process cartridge from the image forming apparatus, the process cartridge can be separated from the image forming apparatus main body 108, and since the locking device 105 can restore the locking positioning of the coupling member 107 in the state where the unlocking device 106 is separated from the image forming apparatus main body 108, the drum cartridge 101 and the developing cartridge 102 can be automatically locked when the process cartridge is separated from the image forming apparatus main body 108, so that the drum cartridge 101 and the developing cartridge 102 can be prevented from being separated and falling off in the process of taking out the process cartridge.
Referring to fig. 6 and 7, in the present embodiment, preferably, the locking device 105 includes a main body 110 and a catch 111, the main body 110 is rotatably connected to the drum cartridge main body 103 through a rotating shaft 112, the catch 111 and the unlocking device 106 are disposed on the main body 110, the main body 110 can rotate relative to the drum cartridge main body 103 around the rotating shaft 112 to enable the catch 111 to reach a locking position or an unlocking position, the catch 111 can cooperate with the accommodating part 104 to lock and position the connecting member 107 when reaching the locking position, and the catch 111 can release the locking and positioning of the connecting member 107 when reaching the unlocking position to enable the drum cartridge 101 and the developing cartridge 102 to be separated; an elastic member 113 is arranged between the main body part 110 and the drum box main body 103, and the elastic member 113 is used for applying elastic force to the main body part 110 to drive the main body part 110 to rotate forwards, so that the clamping part 111 can reach and be kept at the locking position; the unlocking device 106 is used for contacting with the image forming apparatus main body 108 and driving the main body 110 to rotate reversely by the acting force of the image forming apparatus main body 108 when the process cartridge is mounted to the image forming apparatus main body 108, so that the clamping part 111 can reach and be kept at the unlocking position. Therefore, when the process cartridge is mounted in the image forming device main body 108, the unlocking device 106 is in contact with the image forming device main body 108 and is driven by the acting force of the image forming device main body 108 to drive the main body 110 to rotate reversely, so that the clamping part 111 can reach and be kept at the unlocking position to release the locking and positioning of the clamping part 111 on the connecting piece 107, when the developing cartridge 102 needs to be taken out from the image forming device independently, a user can take out the developing cartridge 102 without manually unlocking the locking device 105, the operation is convenient, and the use convenience of the image forming device is improved. When the process cartridge needs to be taken out of the image forming device, the process cartridge can be separated from the image forming device main body 108, so that the unlocking device 106 is separated from the image forming device main body 108, the unlocking device 106 is not subjected to the acting force of the image forming device main body 108 any more, and the main body 110 cannot be driven to rotate reversely, at this time, the main body 110 rotates forwards under the action of the elastic piece 113 to reach and keep at the locking position, so that the connecting piece 107 is locked and positioned by matching with the accommodating part 104, the drum cartridge 101 and the developing cartridge 102 are relatively positioned, the drum cartridge 101 and the developing cartridge 102 are prevented from being separated and falling off in the process of taking out the process cartridge, and the locking device 105 and the unlocking device 106 are simple in structure and reliable in use. The unlocking device 106 may be a slider or a support arm, and the slider or the support arm may contact with the guide rail 109 or other protruding portion of the image forming apparatus main body 108 and be subjected to the acting force of the guide rail 109 or other protruding portion, so as to apply a force capable of causing the main body 110 to rotate in the opposite direction, but the unlocking device 106 may be only required to contact with the image forming apparatus main body 108 and be subjected to the acting force applied by the image forming apparatus main body 108. It should be understood that the above-described process of mounting the process cartridge to the image forming apparatus main body 108 includes the process cartridge just contacting the image forming apparatus main body 108, the process cartridge continuously contacting the image forming apparatus 108 and not being mounted in place, and the process cartridge continuously contacting the image forming apparatus 108 and just being mounted in place, and the above-described contact is not limited to physical contact, and may be electrical or magnetic.
Further, the unlocking device 106 may be a touch switch, and the image forming apparatus main body 108 may be provided with a touch head that touches the touch switch to unlock the locking device 105. The unlocking device 106 may also be a magnetic switch, and the image forming apparatus main body 108 is provided with a magnetic member, and the magnetic switch is triggered by the magnetic action of the magnetic member to unlock the locking device 105.
In this embodiment, it is preferable that the holding portion 111 is disposed at a first end of the main body portion 110, the unlocking device 106 is disposed at a second end of the main body portion 110, and the rotating shaft 112 is located between the first end and the second end of the main body portion 110. Thus, when the unlocking device 106 is in contact with the image forming apparatus main body 108 and is subjected to the force applied by the image forming apparatus main body 108, it is possible to more easily reverse the drive main body portion 110 and to ensure that the catch 111 can reach and be held at the unlocking position.
In this embodiment, preferably, the elastic member 113 is a torsion spring, the torsion spring is sleeved on the rotating shaft 112, a first support arm of the torsion spring is connected with the main body portion 110, and a second support arm of the torsion spring is connected with the drum box main body 103. This makes the urging force of the elastic member 113 to the body 110 more stable and reliable.
In this embodiment, it is preferable that a handle 114 is disposed on the main body portion 110, and the handle 114 is used for being held by a user to apply force to the main body portion 110 so as to drive the main body portion 110 to rotate reversely, so that the holding portion 111 can reach the unlocking position. When the process cartridge is taken out of the image forming apparatus, the user can drive the main body portion 110 by the handle 114 to rotate reversely to bring the catch portion 111 to the unlocking position, thereby achieving separation of the drum cartridge 101 and the developing cartridge 102.
In this embodiment, the handle 114 is preferably provided with a plurality of anti-slip protrusions 115. This increases the friction between the hand of the user and the handgrip 114, thereby facilitating the user to apply force to the main body 110.
In this embodiment, preferably, a guiding inclined plane 116 is disposed on a top surface of the retaining part 111, the drum box main body 103 is provided with a supporting part 117, the guiding inclined plane 116 is opposite to the supporting part 117 in a state that the retaining part 111 is located at the locking position and is arranged at an interval to form an opening part, the connecting member 107 can be installed in the accommodating part 104 through the opening part, and the connecting member 107 is used for contacting with the guiding inclined plane 116 and sliding relatively in a process of being installed in the accommodating part 104 to drive the main body part 110 to rotate reversely, so that the retaining part 111 can reach the unlocking position. Therefore, in the process of assembling the developing cartridge 102 to the drum cartridge 101, the main body 110 can be inverted by the relative sliding between the connecting member 107 and the guide slope 116 and the guiding action of the guide slope 116, so that the connecting member 107 can be directly loaded into the accommodating portion 104 through the opening portion, the main body 110 does not need to be inverted separately, and the operation process of assembling the drum cartridge 101 and the developing cartridge 102 is simplified.
In this embodiment, it is preferable that the connecting member 107 is a cylinder, and a circumferential surface of the cylinder is used for contacting and sliding relative to the guiding inclined surface 116 and the abutting portion 117 during the process of installing the cylinder into the accommodating portion 104, so as to drive the main body portion 110 to rotate reversely, so that the retaining portion 111 can reach the unlocking position. Accordingly, the main body 110 can be more easily reversed by the contact and relative sliding of the circumferential surface of the cylindrical body with the guide slope 116 and the abutting portion 117, and the drum cartridge 101 and the developing cartridge 102 can be assembled more easily.
In this embodiment, it is preferable that the bottom surface of the retaining portion 111 is provided with a retaining surface 118, the top of the cylinder is provided with a contact surface 119, the contact surface 119 is parallel to the axis of the cylinder, and the retaining portion 111 is used for locking the connecting member 107 by the retaining surface 118 engaging with the contact surface 119 and applying force to the contact surface 119. Therefore, the contact between the holding part 111 and the connecting piece 107 is more stable, and the force application is more reliable.
In this embodiment, it is preferable that the drum box main body 103 is provided with a limiting portion 120, and the limiting portion 120 is used for abutting against the main body portion 110 to keep the retaining portion 111 at the locking position. The limiting portion 120 can limit the retaining portion 111 at the locking position, and prevent the retaining portion 111 from further leaning against the connecting member 107 under the action of the elastic member 113, so that the retaining portion 111 can more stably and reliably lock and position the connecting member 107.
Referring to fig. 8, in the present embodiment, preferably, a groove 121 is disposed on the connecting member 107, and the retaining portion 111 is used for extending into the groove 121 and applying a force to the connecting member 107, so as to lock and position the connecting member 107. Therefore, the contact between the holding part 111 and the connecting piece 107 is more stable, and the force application is more reliable.
In this embodiment, it is preferable that the unlocking device 106 is configured to contact the guide rail 109 of the image forming apparatus main body 108 and be driven by the guide rail 109 to rotate the main body 110 reversely so that the catch 111 can reach and be held at the unlocking position when the process cartridge is mounted to the image forming apparatus main body 108, and the process cartridge is configured to slide along the guide rail 109 to slide into the image forming apparatus main body 108. This makes it possible to bring the unlocking device 106 into contact with the conventional guide rail 109 of the image forming apparatus main body 108, and thus, the image forming apparatus main body 108 and the unlocking device 106 can be brought into contact more easily and reliably.
In this embodiment, the unlocking device 106 is preferably a slider, and the slider can slide along the guide rail 109. Therefore, in the process of sliding the process cartridge into the image forming apparatus main body 108 along the guide rail 109, the slider can slide along the guide rail 109, which is beneficial to reducing the friction force between the unlocking device 106 and the guide rail 109 and ensuring that the process cartridge slides more smoothly along the guide rail 109.
In this embodiment, preferably, the slider is rotatably connected to the second end of the main body 110 through a pin 122, and the pin 122 is parallel to the rotating shaft 112. Thus, when the unlocking device 106 is in contact with the guide rail 109 and the main body 110 is driven to rotate in the reverse direction, the slider can rotate about the pin 122 with respect to the main body 110, and stable contact with the guide rail 109 can be ensured.
In this embodiment, preferably, the pin 122 is disposed on the slider, the second end of the main body 110 is disposed with a long hole 123, and the pin 122 is disposed through the long hole 123 and slidably connected with the long hole 123. Since the pin 122 can slide along the long hole 123, the range of relative movement between the slider and the main body 110 is increased, thereby facilitating stable contact between the slider and the guide rail 109.
Referring to fig. 9, in this embodiment, preferably, the slider is integrally formed with the main body portion 110, and the slider is further provided with an arc-shaped surface 124, and the arc-shaped surface 124 is used for contacting with the guide rail 109. Therefore, the friction force between the slide block and the guide rail 109 is favorably reduced, and the slide block slides more smoothly along the guide rail 109.
Referring to fig. 10 to 12, in another embodiment, the unlocking device 106 may be located at one side of the main body 110 and protrude from a sidewall 125 of the drum cartridge main body 103, and the image forming apparatus main body 108 is provided with a protruding portion 126. Therefore, when the process cartridge is mounted on the image forming apparatus main body 108, the unlocking device 106 is in contact with the protrusion 126 and is forced by the protrusion 126 to drive the main body 110 to rotate reversely, so that the clamping part 111 can reach and be kept at the unlocking position to release the locking and positioning of the clamping part 111 on the connecting piece 107, when the developing cartridge 102 needs to be taken out from the image forming apparatus alone, a user can take out the developing cartridge 102 without manually unlocking the locking device 105, the operation is convenient, and the use convenience of the image forming apparatus is improved. When the process cartridge needs to be taken out of the image forming device, the process cartridge can be separated from the image forming device main body 108, so that the unlocking device 106 is separated from the protrusion 126, the unlocking device 106 is not acted by the protrusion 126 any more, and the main body 110 cannot be driven to rotate reversely, at this time, the main body 110 rotates forwards under the action of the elastic piece 113 to reach and keep at a locking position, so that the main body is matched with the accommodating part 104 to lock and position the connecting piece 107, the drum cartridge 101 and the developing cartridge 102 are relatively positioned, the drum cartridge 101 and the developing cartridge 102 are prevented from being separated and falling off in the process of taking out the process cartridge, and the locking device 105 and the unlocking device 106 are simple in structure and more reliable in use.
In this embodiment, it is preferable that the locking devices 105 are located on both sides of the drum cartridge main body 103. When it is necessary to take out the developing cartridge 102 or the process cartridge from the image forming apparatus main body 108, the user can easily grip the middle portion of the developing cartridge 102 or the drum cartridge 101 to take out the developing cartridge 102 or the process cartridge, and the locking device 105 does not interfere with the grip of the user on the developing cartridge 102 or the drum cartridge 101. In addition, the drum cartridge main body 103 and the middle portion of the developing cartridge 102 may be provided with a handle to facilitate grasping by a user.
In this embodiment, it is preferable that the rotation shaft 112 is provided along the longitudinal direction AA of the drum cartridge main body 103. Thus, the space occupied by the rotation of the main body 110 is saved. Of course, the rotary shaft 112 may be provided in the width direction or the height direction of the drum cartridge main body 103.
An embodiment of the present invention provides an image forming apparatus including an image forming apparatus main body 108 and a process cartridge according to any of the embodiments of the present invention, the process cartridge being detachably attached to the image forming apparatus main body 108.
In the embodiment, since the unlocking device 106 can contact with the image forming apparatus main body 108 and receive the acting force of the image forming apparatus main body 108 in the process of mounting the process cartridge to the image forming apparatus main body 108 to drive the locking device 105 to release the locking position of the connecting member 107, so that the developing cartridge 102 and the drum cartridge 101 can be separated, the locking position of the locking device 105 to the connecting member 107 can be automatically released in the process of mounting the process cartridge to the image forming apparatus main body 108, when the developing cartridge 102 needs to be taken out from the image forming apparatus alone, a user can take out the developing cartridge 102 without manually unlocking the locking device 105, the operation is convenient, and the use convenience of the image forming apparatus is improved.
An embodiment of the present invention provides a developing cartridge 102 detachably mountable to a drum cartridge 101, the drum cartridge 101 being detachably mountable to an image forming apparatus main body 108; the developing box 102 is provided with a connecting piece 107; the drum cartridge 101 includes a drum cartridge main body 103, a housing portion 104, a locking device 105, and an unlocking device 106; an accommodating portion 104 is provided on the drum cartridge main body 103, the accommodating portion 104 accommodating the connecting member 107; the locking device 105 can cooperate with the accommodating portion 104 to lock the connecting member 107 in position so as to lock the developing cartridge 102 and the drum cartridge 101 relative to each other; the unlocking device 106 is adapted to come into contact with the image forming apparatus main body 108 and receive a force of the image forming apparatus main body 108 during the process cartridge is mounted to the image forming apparatus main body 108 to drive the locking device 105 to release the locking position of the coupling member 107, thereby enabling the separation of the developing cartridge 102 and the drum cartridge 101.
In the embodiment, since the unlocking device 106 can contact with the image forming apparatus main body 108 and receive the acting force of the image forming apparatus main body 108 in the process of mounting the process cartridge to the image forming apparatus main body 108 to drive the locking device 105 to release the locking position of the connecting member 107, so that the developing cartridge 102 and the drum cartridge 101 can be separated, the locking position of the locking device 105 to the connecting member 107 can be automatically released in the process of mounting the process cartridge to the image forming apparatus main body 108, when the developing cartridge 102 needs to be taken out from the image forming apparatus alone, a user can take out the developing cartridge 102 without manually unlocking the locking device 105, the operation is convenient, and the use convenience of the image forming apparatus is improved.
In this embodiment, it is preferable that the locking device 105 is capable of restoring the locking position of the coupling member 107 in a state where the unlocking device 106 is separated from the image forming apparatus main body 108 to lock the developing cartridge 102 and the drum cartridge 101 relatively. When it is necessary to take out the process cartridge from the image forming apparatus, the process cartridge can be separated from the image forming apparatus main body 108, and since the locking device 105 can restore the locking positioning of the coupling member 107 in the state where the unlocking device 106 is separated from the image forming apparatus main body 108, the drum cartridge 101 and the developing cartridge 102 can be automatically locked when the process cartridge is separated from the image forming apparatus main body 108, so that the drum cartridge 101 and the developing cartridge 102 can be prevented from being separated and falling off in the process of taking out the process cartridge.
In this embodiment, it is preferable that the connecting member 107 is a cylinder with a contact surface 119 at the top, the locking device 105 includes a main body 110 and a holding part 111, the bottom surface of the holding part 111 is provided with a holding surface 118, the contact surface 119 is parallel to the axis of the cylinder, and the holding part 111 is used for engaging with the contact surface 119 through the holding surface 118 and applying force to the contact surface 119 to lock the connecting member 107 in place. Therefore, the contact between the holding part 111 and the connecting piece 107 is more stable, and the force application is more reliable.
In this embodiment, it is preferable that the connecting member 107 is provided with a groove 121, and the locking device 105 includes a main body 110 and a catch 111, and the catch 111 is configured to extend into the groove 121 and apply a force to the connecting member 107, so as to lock and position the connecting member 107. Therefore, the contact between the holding part 111 and the connecting piece 107 is more stable, and the force application is more reliable.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A process cartridge detachably mountable to an image forming apparatus main body, characterized by comprising:
the developing box is provided with a connecting piece;
a drum cartridge comprising:
a drum cartridge main body;
the accommodating part is arranged on the drum box main body, and is of a groove structure with an opening on one side and used for accommodating the connecting piece;
the locking device can be matched with the accommodating part to lock and position the connecting piece so as to relatively lock the developing box and the drum box; and
an unlocking device for contacting the image forming apparatus main body and receiving a force of the image forming apparatus main body during mounting of the process cartridge to the image forming apparatus main body to drive the locking device to release the locking positioning of the coupling member, thereby enabling the separation of the developing cartridge and the drum cartridge;
the locking device comprises a main body part and a clamping part, and the clamping part movably covers the accommodating part;
the unlocking device is a slide block which can slide along a guide rail of the image forming device main body;
the sliding block is rotatably connected with the second end of the main body part through a pin shaft;
when the processing box is positioned outside the image forming device main body, the developing box and the drum box are locked relatively, the bottom surface of the accommodating part is positioned and supported with the connecting piece, and the clamping part moves to the position above the opening of the accommodating part to lock the connecting piece in the groove structure; when the process cartridge is mounted to the image forming apparatus main body, the slider slides along the guide rail and drives the main body portion to rotate, so that the chucking portion opens the opening of the accommodating portion.
2. A process cartridge according to claim 1, wherein said locking means is capable of restoring the locking position of said coupling member to relatively lock said developing cartridge and said drum cartridge in a state where said unlocking means is separated from said image forming apparatus main body.
3. A process cartridge according to claim 2, wherein said main body portion is rotatably connected to said drum cartridge main body through a rotary shaft, said catch portion and said unlocking means are provided on said main body portion, said main body portion is rotatable with respect to said drum cartridge main body about said rotary shaft to bring said catch portion to a locked position or an unlocked position, said catch portion is engageable with said accommodating portion to lock and position said connecting member when said catch portion is brought to said locked position, said catch portion is disengageable from said connecting member when said catch portion is brought to said unlocked position, so that said drum cartridge and said developing cartridge are separable;
an elastic piece is arranged between the main body part and the drum box main body and is used for applying elastic force to the main body part so as to drive the main body part to rotate forwards, so that the clamping part can reach and be kept at the locking position;
the unlocking device is used for contacting with the image forming device body and driving the main body part to rotate reversely under the action of the image forming device body in the process of installing the processing box to the image forming device body, so that the clamping part can reach and be kept at the unlocking position.
4. A process cartridge according to claim 3, wherein said catch is provided at a first end of said main body portion, said unlocking means is provided at a second end of said main body portion, and said rotary shaft is located between the first end and the second end of said main body portion.
5. A process cartridge according to claim 3, wherein a guide slope is provided on a top surface of said retaining portion, said drum cartridge main body is provided with a retaining portion, said guide slope is opposed to said retaining portion in a state where said retaining portion is located at said locking position and is spaced therefrom to form an opening portion into which said connecting member can be fitted in said accommodating portion, said connecting member is adapted to be brought into contact with said guide slope and slid relatively during fitting in said accommodating portion to drive said main body portion to rotate reversely so that said retaining portion can reach said unlocking position.
6. A process cartridge according to claim 3, wherein a stopper portion for abutting against said main body portion to hold said catch portion in the locked position is provided on said drum cartridge main body.
7. A process cartridge according to claim 4, wherein said unlocking means is adapted to contact a guide rail of said image forming apparatus main body and to be urged by said guide rail to reverse said main body portion so that said catch portion can reach and be held at said unlocked position during mounting of said process cartridge to said image forming apparatus main body, said process cartridge being adapted to slide along said guide rail to slide into said image forming apparatus main body.
8. A process cartridge according to claim 1, wherein said pin is provided on said slider, and wherein a long hole is further provided at the second end of said main body portion, and said pin is inserted into said long hole and slidably connected to said long hole.
9. An image forming apparatus comprising an image forming apparatus main body and the process cartridge according to any one of claims 1 to 8, wherein the process cartridge is detachably attached to the image forming apparatus main body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155915.5A CN108227447B (en) | 2016-12-14 | 2016-12-14 | Process cartridge and image forming apparatus |
| PCT/CN2017/113184 WO2018107957A1 (en) | 2016-12-14 | 2017-11-27 | Developing box, processing box, and image forming device using processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155915.5A CN108227447B (en) | 2016-12-14 | 2016-12-14 | Process cartridge and image forming apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN108227447B true CN108227447B (en) | 2020-07-07 |
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| CN1180181A (en) * | 1995-07-31 | 1998-04-29 | 佳能株式会社 | Connection member, process cartridge, electrophotographic image forming apparatus and assembly method |
| JPH11109752A (en) * | 1997-09-29 | 1999-04-23 | Ricoh Co Ltd | Image forming device |
| US6061538A (en) * | 1996-08-29 | 2000-05-09 | Canon Kabushiki Kaisha | Process cartridge, electrophotographic image forming apparatus and electrophotographic image forming apparatus transmissions method |
| US6075957A (en) * | 1997-11-20 | 2000-06-13 | Canon Kabushiki Kaisha | Process cartridge and electrophotographic image forming apparatus |
| CN1661500A (en) * | 2004-02-27 | 2005-08-31 | 兄弟工业株式会社 | Process cartridge and image forming device |
| CN101900988A (en) * | 2009-05-29 | 2010-12-01 | 兄弟工业株式会社 | Cartridge assembly of image forming apparatus |
| CN102200751A (en) * | 2010-03-24 | 2011-09-28 | 兄弟工业株式会社 | Process cartridge |
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| CN1180181A (en) * | 1995-07-31 | 1998-04-29 | 佳能株式会社 | Connection member, process cartridge, electrophotographic image forming apparatus and assembly method |
| US6061538A (en) * | 1996-08-29 | 2000-05-09 | Canon Kabushiki Kaisha | Process cartridge, electrophotographic image forming apparatus and electrophotographic image forming apparatus transmissions method |
| JPH11109752A (en) * | 1997-09-29 | 1999-04-23 | Ricoh Co Ltd | Image forming device |
| US6075957A (en) * | 1997-11-20 | 2000-06-13 | Canon Kabushiki Kaisha | Process cartridge and electrophotographic image forming apparatus |
| CN1661500A (en) * | 2004-02-27 | 2005-08-31 | 兄弟工业株式会社 | Process cartridge and image forming device |
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| CN102200751A (en) * | 2010-03-24 | 2011-09-28 | 兄弟工业株式会社 | Process cartridge |
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