WO2017050133A1

WO2017050133A1 - Image forming device

Info

Publication number: WO2017050133A1
Application number: PCT/CN2016/098405
Authority: WO
Inventors: 夏巨政; 何新超
Original assignee: 珠海赛纳打印科技股份有限公司
Priority date: 2015-09-23
Filing date: 2016-09-08
Publication date: 2017-03-30
Also published as: CN205015614U

Abstract

Disclosed is an image forming device, comprising: a frame (101); a driving gear (102), which is hinged to the frame (101) via a first connecting shaft (103); a driving head (104), which driving head (104) is sheathed on a first connecting shaft (103) and is connected to a driving gear (102), with the driving head (104) being provided with a connector (105); a shifting lever (106), which shifting lever (106) comprises a first support arm (107) and a second support arm (108), with the shifting lever (106) being hinged to the frame (101) via a second connecting shaft (109), the second support arm (108) being used for driving the driving head (104) to slide in a forward direction along the first connecting shaft (103) in the state where the shifting lever (106) rotates forwards around the second connecting shaft (109) so that the connector (105) is able to be separated from a processing cartridge (201); a drive member (110), which is slidably connected to the frame (101) via a rail (111), with the rail (111) being provided along the length direction of the shifting lever (106), a first driving part (112) being provided on the drive member (110), and the first driving part (112) being used for contacting with the first support arm (107) and driving the shifting lever (106) to rotate forwards as the drive member (110) slides forwards along the trail (111); and an outer lid (113), which is hinged to the frame (101) and is connected to the drive member (110), with the outer lid (113) being used for driving the drive member (110) to slide forwards during the opening process. The structure is simple, has lower costs, and is used reliably.

Description

Image forming apparatus

Technical field

The present invention relates to image forming apparatus technology, and more particularly to an image forming apparatus.

Background technique

The process cartridge is an important part in the image forming apparatus, and the photosensitive drum in the process cartridge is a key component in the image forming operation, and the photosensitive drum converts the electrostatic latent image into a toner image by charging, exposure, powder feeding, transfer, and the like. , then transfer the toner image to the paper.

A conventional image forming apparatus includes a frame and a front cover located at a front surface of the frame, the process cartridge being detachably mounted inside the frame, the frame being provided with a drive head for connecting with the connector of the process cartridge, and a drive for driving the drive head to rotate a gear, the driving head is connected to the frame through a connecting shaft, the driving head is rotatable around the connecting shaft, and is movable along an axial direction of the connecting shaft, and the driving system is further provided on the frame, and the force receiving end and the front cover of the driving system The connection end of the drive system can be in contact with the drive head. During the closing process of the front cover, the front cover generates a thrust force on the force receiving end of the driving system, so that the force applying end of the driving system can apply force to the driving head to move the driving head along the axial direction of the connecting shaft, thereby connecting the driving head to the process box. The head is connected, at this time, the drive gear can drive the drive head to rotate, thereby enabling the process cartridge to receive the driving force. During the opening process of the front cover, the front cover generates a pulling force on the force receiving end of the driving system, so that the force applying end of the driving system can apply force to the driving head to move the driving head along the axial direction of the connecting shaft, thereby connecting the driving head to the process box. The head is separated and the user can remove the process cartridge from the frame.

The existing drive system has many components, which causes a complicated structure and high cost.

Summary of the invention

The present invention provides an image forming apparatus to simplify the structure and reduce the cost.

The invention provides an image forming apparatus comprising:

frame;

a drive gear hinged to the frame by a first connecting shaft;

a driving head, the driving head is sleeved on the first connecting shaft and connected to the driving gear Connecting, the driving head is provided with a connecting member for connecting with the process box;

a lever, the lever includes a first arm and a second arm, the lever being hinged to the frame by a second connecting shaft, the second connecting shaft being at least perpendicular to the first connecting shaft Positioning, the second arm is configured to drive the driving head to slide forward along the first connecting shaft in a forward rotation state of the lever about the second connecting shaft, so that the connecting member can Separated from the process cartridge;

a driving member is slidably connected to the frame through a rail, the rail is disposed along a length direction of the lever, the driving member is provided with a first driving portion, and the first driving portion is used for the driving component Contacting the first arm during forward sliding along the track and driving the lever to rotate forward;

An outer cover hinged to the frame and coupled to the driving member, the outer cover for driving the driving member to slide forward during the opening process.

Preferably, the image forming apparatus is provided with an abutting member on a side of the driving head; and the second arm is configured to abut the pin in a forward rotation state around the second connecting shaft The pieces are in contact with each other and drive the drive head to slide forwardly along the first connecting shaft to enable the connecting member to be separated from the process cartridge; the second arm is configured to The second connecting shaft is in contact with the abutting member in an inverted state, and drives the driving head to slide back along the first connecting shaft to enable the connecting member to be connected to the process box; The first arm and the second arm form a set angle, and the first driving portion is configured to contact the first surface of the first arm during the forward sliding of the driving member along the track And driving the lever forward; the driving component is further provided with a second driving portion, and the second driving portion is configured to be in the reverse sliding process of the driving member along the track and the first branch The second surface of the arm contacts and drives the lever to reverse; the outer cover is used to drive the driving member during the closing process To slide.

In the image forming apparatus, preferably, the first surface of the first arm is disposed toward the second arm, and the second surface of the first arm is disposed away from the second arm. A first surface of the first arm is provided with a limiting portion for engaging the first driving portion during the forward sliding of the driving member.

The image forming apparatus preferably further includes an elastic device disposed between the driving head and the driving gear for driving the driving head to slide in the reverse direction along the first connecting shaft, Enabling the drive head to drive the second arm to drive the lever to reverse about the second connecting shaft to rotate the first arm to a set position and enable the connector to Connected to the process cartridge.

In the image forming apparatus, preferably, the driving head is provided with a first shaft hole, and the first shaft hole is provided with a sliding slot, and the sliding slot extends along the axial direction of the first shaft hole; The driving gear is provided with a sliding shaft, and the sliding shaft is provided with a second shaft hole in the axial direction, the outer wall of the sliding shaft is provided with a slider, and the sliding shaft is disposed in the first shaft hole, The slider is slidably disposed in the sliding slot, the first connecting shaft is disposed in the second shaft hole and the first shaft hole; the slider is slidable along the sliding slot to enable the driving head to Sliding along the sliding shaft and capable of being engaged with the sliding groove during rotation of the driving gear about the first connecting shaft, so that the driving gear can drive the driving head to rotate.

In the image forming apparatus, preferably, the frame is provided with a mounting rail for slidingly connecting with the process cartridge to enable the process cartridge to be slid to a mounting position, the mounting rail and the mounting rail The track is an integrally formed structure.

In the image forming apparatus, preferably, the driving member is connected to the outer cover by a link device, the outer cover and the frame are hinged by a third connecting shaft, and the third connecting shaft and the first a connecting shaft is parallel; the connecting rod device includes a first connecting rod and a second connecting rod, and the first end of the first connecting rod and the first end of the second connecting rod are hinged by a rotating shaft and a slide rail, The rotating shaft is parallel to the third connecting shaft, the slide rail extends in a direction perpendicular to the third connecting shaft, the rotating shaft is slidable along the sliding passage; the second connecting rod is second The end is hinged to the outer cover by a fourth connecting shaft, the fourth connecting shaft is disposed in parallel with the third connecting shaft, and has a set distance with the third connecting shaft, the second connecting rod The first link is used to slidably move the second link along the track by the outer cover, and the driving member is connected to the second link Rod connection.

In the image forming apparatus, preferably, the first link includes a curved section.

In the image forming apparatus, preferably, the slide is disposed on the second link and extends along the track direction, the rotating shaft is disposed on the first link; and the first link is The first end is a straight rod segment, the second end of the first connecting rod is the curved portion, and the second connecting rod is formed with a cavity therein, the cavity extending along the track direction, the cavity The body is for accommodating the straight rod segment.

Based on the above, the image forming apparatus provided by the present invention can mount the process cartridge on the frame and connect the connecting member to the process cartridge, whereby the drive gear can drive the drive head to rotate, so that the drive head can be driven. The process cartridge operates. When the outer cover is opened, the outer cover can drive the driving member to slide forward along the track, so that the first driving portion is in contact with the first arm and drives the lever to rotate forward, so that the second arm can drive the driving head along the first A connecting shaft is slid in the forward direction to enable the connecting member to be separated from the process cartridge, thereby enabling the user to conveniently remove the process cartridge from the frame. Since the image forming apparatus provided by the present invention can realize the change of the position of the connecting member by the driving member and the lever, and facilitate the disassembly of the processing box, the image forming apparatus provided by the invention has the advantages of simple structure, low cost and reliable use. .

DRAWINGS

1 is a schematic structural diagram of an image forming apparatus according to an embodiment of the present invention;

2 is an axial cross-sectional view of the image forming apparatus along the first connecting shaft in an open state of the front cover according to an embodiment of the present invention;

3 is an axial cross-sectional view of the image forming apparatus along the first connecting shaft in a state in which the front cover is closed, according to an embodiment of the present invention;

4 is an axial cross-sectional view of another image forming apparatus according to an embodiment of the present invention along a first connecting shaft in a state in which a front cover is closed;

FIG. 5 is a schematic diagram of a link device of an image forming apparatus in a state in which a front cover is closed according to an embodiment of the present invention; FIG.

FIG. 6 is a schematic diagram of a link device of an image forming apparatus in an open state of a front cover according to an embodiment of the present invention; FIG.

FIG. 7 is a schematic structural diagram of a portion of an image forming apparatus according to an embodiment of the present invention.

detailed description

1 and 2, an embodiment of the present invention provides an image forming apparatus including: a frame 101; a driving gear 102 hinged to the frame 101 through a first connecting shaft 103; and a driving head 104, The driving head 104 is sleeved on the first connecting shaft 103 and connected to the driving gear 102. The driving head 104 is provided with a connecting member 105 for connecting with the process box 201; the lever 106 The lever 106 includes a first arm 107 And the second arm 108, the lever 106 is hinged to the frame 101 through a second connecting shaft 109, and the second connecting shaft 109 is disposed at least in a direction perpendicular to the first connecting shaft 103, the first The two arms 108 are configured to drive the driving head 104 to slide forward along the first connecting shaft 103 in a state where the lever 106 rotates normally about the second connecting shaft 109, so that the connecting member 105 can be Separating from the process cartridge 201; the driving member 110 is slidably coupled to the frame 101 via a rail 111, the rail 111 is disposed along the length of the lever 106, and the driving member 110 is provided with a first driving The first driving portion 112 is configured to contact the first arm 107 during the forward sliding of the driving member 110 along the track 111 and to drive the lever 106 to rotate forward; 113, hinged with the frame 101 and connected to the driving member 110, the outer cover 113 is used to drive the driving member 110 to slide forward during the opening process.

In this embodiment, in use, the process cartridge 201 can be mounted on the frame 101, and the connector 105 can be connected to the process cartridge 201. Thereby, the drive head 102 can be rotated by the drive gear 102, so that the drive head 104 can be enabled. The drive process cartridge 201 operates. When the outer cover 113 is opened, the outer cover 113 can drive the driving member 110 to slide forward along the track 111, so that the first driving portion 112 is in contact with the first arm 107 and drives the lever 106 to rotate forward, thereby making the second branch The arm 108 can be in contact with the driving head 104 and drive the driving head 104 to slide forward along the first connecting shaft 103 to enable the connecting member 105 to be separated from the process cartridge 201, thereby enabling the user to conveniently handle the process cartridge 201 from the frame 101. Remove. Since the image forming apparatus provided by the present invention can realize the change of the position of the connecting member 105 by the driving member 110 and the lever 106, and facilitate the disassembly of the process cartridge 201, the image forming apparatus provided by the present invention has a simple structure and a low cost. And use reliable at the same time. The second connecting shaft 109 may be disposed in a direction perpendicular to the first connecting shaft 103 or may form a set angle with the first connecting shaft 103 as long as the second arm 108 can be rotated during the forward rotation of the lever 106. The driving head 104 can be driven to slide forward along the first connecting shaft 103. Wherein, an angle of less than 180 degrees may be formed between the first arm 107 and the second arm 108, so that when the first driving portion 112 moves in the linear direction, the lever 106 can be swung, but it is also possible to The lever 106 is disposed in a straight line shape, that is, an angle of 180° is formed between the first arm 107 and the second arm 108, and an inclined surface is disposed on the first driving portion 112 to be in contact with the first arm 107. Thereby, the lever 106 is swung.

Embodiment 2, please refer to FIG. 4, based on the first embodiment, the driving head 104 is provided on the side There is an abutting member 114; the second arm 108 is configured to contact the abutting member 114 in a state in which the lever 106 is rotated forwardly about the second connecting shaft 109, and drives the driving head 104. Sliding forward along the first connecting shaft 103 to enable the connecting member 105 to be separated from the process cartridge 201; the second arm 108 for pivoting the second connecting shaft 109 around the second connecting shaft 109 Contacting the abutting member 114 in the reverse state, and driving the driving head 104 to slide back along the first connecting shaft 103 to enable the connecting member 105 to be connected to the process cartridge 201; The first arm 107 and the second arm 108 form a set angle, and the first driving portion 112 is configured to be in the forward sliding direction of the driving member 110 along the track 111 with the first arm The first surface 115 of the 107 contacts and drives the shifting rod 106 to rotate forward; the driving member 110 is further provided with a second driving portion 116 for the edge of the driving member 110. During the reverse sliding of the track 111, it contacts the second surface 117 of the first arm 107 and drives the lever 106 to reverse; the outer cover 113 is used for Closing the slide during the drive of the drive member 110 backward. Therefore, when the outer cover 113 is opened, the outer cover 113 can drive the driving member 110 to slide forward along the track 111, so that the first driving portion 112 contacts the first surface 115 of the first arm 107 and drives the lever 106. The forward rotation further enables the second arm 108 to contact the abutment member 114 and drive the drive head 104 to slide forwardly along the first connecting shaft 103 to enable the connector 105 to be separated from the process cartridge 201, thereby enabling the user to The process cartridge 201 is conveniently detached from the frame 101; when the outer cover 113 is closed, the outer cover 113 can drive the drive member 110 to slide back along the track 111, so that the second drive portion 116 and the first arm 107 are The two surfaces 117 are in contact with each other and drive the lever 106 to reverse, so that the second arm 108 can contact the abutment member 114 and drive the driving head 104 to slide back along the first connecting shaft 103 to make the connecting member 105 and the handle. The cassette 201 is connected, whereby when the driving gear 102 drives the driving head 104 to rotate, the driving head 104 can drive the processing box 201 to operate, without the user manually connecting the connecting member 105 to the process cartridge 201, thereby improving the image forming apparatus. Convenience of use. The set angle between the first arm 107 and the second arm 108 can be set according to actual conditions, so that when the first driving portion 112 and the second driving portion 116 move in the linear direction, the lever can be pushed. 106 swings.

The driving member 110 and the lever 106 can be disposed between the outer cover 113 and the driving head 104. During the opening process of the outer cover 113, the driving member 110 can be driven to slide along the rail 111 toward the outer cover 113, so that the first driving portion 112 Driving the lever 106 to rotate forward; when the outer cover 113 is closed, The driving member 110 is slid along the rail 111 toward the driving head 104, so that the second driving portion 116 drives the lever 106 to reverse.

In this embodiment, preferably, the first surface 115 of the first arm 107 is disposed toward the second arm 108, and the second surface 117 of the first arm 107 is disposed away from the second arm 108. a limiting portion 118 is disposed on the first surface 115 of the first arm 107, and the limiting portion 118 is configured to be engaged with the first driving portion 112 during the forward sliding of the driving member 110. . Therefore, when the driving member 110 slides forward, the first driving portion 112 can be engaged with the limiting portion 118, thereby making the driving force of the driving member 110 to the first arm 107 more reliable.

Embodiment 3 Referring to FIG. 3, on the basis of Embodiment 1, the image forming apparatus further includes an elastic device 119 disposed between the driving head 104 and the driving gear 102 for driving the driving head. The reverse sliding direction of the first connecting shaft 103 is such that the driving head 104 can drive the second arm 108 to drive the lever 106 to rotate around the second connecting shaft 109, so that the The first arm 107 is rotated to the set position, and the connector 105 is connectable to the process cartridge 201. Thereby, the driving head 104 can be driven to slide back along the first connecting shaft 103 through the elastic device 119, so that the connecting member 105 can be connected to the process cartridge 201, thereby eliminating the need for the user to manually connect the connecting member 105 and the process cartridge. 201 is connected to improve the convenience of use of the image forming apparatus. In addition, the driving head 104 can be in contact with the second arm 108 during the reverse sliding of the first connecting shaft 103 and drive the lever 106 to rotate around the second connecting shaft 109. Turning, the first arm 107 is rotated to a set position that can be in contact with the first driving portion 112, and the connection member 105 can be separated from the process cartridge 201 when the outer cover 113 is opened, thereby improving the convenience of use of the image forming apparatus. And reliability.

Embodiment 4, on the basis of the second embodiment, the image forming apparatus further includes an elastic device 119 disposed between the driving head 104 and the driving gear 102 for driving the driving head 104 along the first A connecting shaft 103 is slid in the opposite direction, so that the driving head 104 can drive the second arm 108 to drive the lever 106 to rotate around the second connecting shaft 109, so that the first arm 107 Rotating to the set position and enabling the connector 105 to be coupled to the process cartridge 201. Thus, by the second driving portion 116 driving the reverse rotation of the lever 106 and the driving of the driving device 104 by the elastic device 119, the driving head 104 can be reversely slid along the first connecting shaft 103 to enable the connecting member 105 to be The process cartridges 201 are connected so that the user does not need to manually connect the connector 105 to the process cartridge 201, thereby improving the image shape. The convenience of using the device. Since a part of the driving force of the driving head 104 is provided by the lever 106, the elastic means 119 is protected to extend the service life of the elastic means 119. In addition, the driving head 104 can be in contact with the second arm 108 during the reverse sliding of the first connecting shaft 103 and drive the lever 106 to rotate around the second connecting shaft 109, so that the first arm 107 can be rotated to the first The set position at which the driving portion 112 is in contact ensures that the connecting member 105 can be separated from the process cartridge 201 when the outer cover 113 is opened, thereby improving the convenience and reliability of use of the image forming apparatus.

Referring to FIG. 7 , in the fifth embodiment, the driving head 104 is provided with a first shaft hole 120, and the first shaft hole 120 is provided with a sliding slot 121, and the sliding slot 121 is disposed along the first embodiment. An axial extension of the first shaft hole 120; the drive gear 102 is provided with a sliding shaft 122, a second shaft hole 123 is disposed in the axial direction of the sliding shaft 122, and an outer wall of the sliding shaft 122 is provided with a slider 124, the sliding shaft 122 is disposed in the first shaft hole 120, the slider 124 is slidably disposed in the sliding slot 121, and the first connecting shaft 103 is disposed in the second shaft hole 123 and the first shaft hole 120; the slider 124 is slidable along the sliding slot 121 to enable the driving head 104 to slide along the sliding shaft 122, and is capable of rotating around the first connection of the driving gear 102 The shaft 103 is engaged with the sliding slot 121 during rotation of the shaft 103 to enable the driving gear 102 to rotate the driving head 104. Because the slider 124 can slide along the sliding slot 121, the driving head 104 can slide along the sliding shaft 122, thereby enabling the driving head 104 to slide back along the first connecting shaft 103 and connect with the process cartridge 201, and then when the driving gear 102 is driven. When rotating, the slider 124 is engaged with the sliding slot 121 to drive the driving gear 102 to rotate the driving head 104 to drive the process cartridge 201 to operate.

Embodiment 6, on the basis of the above embodiments, the frame 101 is provided with a mounting rail 134 for sliding connection with the process cartridge 201 to enable the process cartridge 201 to be slid to the mounting position. The mounting rail 134 and the rail 111 are integrally formed. Thereby, the mounting rail 134 and the rail 111 can be mounted to the frame 101 at the same time, and the operation is simple and reliable.

Referring to FIG. 5 and FIG. 6, a seventh embodiment, on the basis of the above embodiments, the driving member 110 is connected to the outer cover 113 through a connecting rod device, and the outer cover 113 and the frame 101 are connected through a third connection. The shaft 125 is hinged, the third connecting shaft 125 is parallel to the first connecting shaft 103; the connecting rod device comprises a first link 126 and a second link 127, the first connection The first end of the rod 126 and the first end of the second link 127 are hinged by a rotating shaft 128 and a slide 129, the rotating shaft 128 is parallel to the third connecting shaft 125, and the sliding path 129 is perpendicular to The third connecting shaft 125 extends in a direction, the rotating shaft 128 can slide along the sliding path 129; the second end of the first connecting rod 126 and the outer cover 113 are hinged through the fourth connecting shaft 130, The fourth connecting shaft 130 is disposed in parallel with the third connecting shaft 125 and has a set distance with the third connecting shaft 125. The second link 127 passes through the rail 111 and the frame 101. a sliding connection, the first link 126 is configured to drive the second link 127 to slide along the track 111 under the driving of the outer cover 113, and the driving member 110 is connected to the second link 127 . When the outer cover 113 applies a thrust or a pulling force to the first link 126, the second end of the first link 126 rotates about the fourth connecting shaft 130, and the first end of the first link 126 rotates around the rotating shaft 128 and follows the slide The 129 slides so that the second link 127 can be biased to slide the second link 127 along the rail 111, thereby causing the driving member 110 to slide along the rail 111. Therefore, the outer cover 113 can drive the driving member 110 to slide along the rail 111, which is convenient and reliable to use. Of course, the outer cover 113 can also be connected to the driving member 110 through other connecting devices such as a flexible member, an elastic member and the like, as long as the driving member 110 can be driven along the track. 111 slide it.

In the present embodiment, preferably, the first link 126 includes a curved section 131. Thereby, the distance between the third connecting shaft 125 and the fourth connecting shaft 130 can be shortened, so that the outer cover 113 can be opened more widely, and the length of the first link 126 can be shortened, and the first connecting rod can be improved. The strength of the force of 126.

In this embodiment, preferably, a slide 129 is disposed on the second link 127 and extends along the direction of the track 111, and the rotating shaft 128 is disposed on the first link 126; the first link The first end of the 126 is a straight rod segment 132, the second end of the first connecting rod 126 is the curved portion 131, and the second connecting rod 127 is formed with a cavity 133, and the cavity 133 is along the The track 111 extends in a direction that accommodates the straight section 132. Therefore, when the rotating shaft 128 slides to the end of the chute 129, the second link 127 can be biased to make the first link 126 more reliable for the second link 127, and at the same time, straight The rod segment 132 can enter the cavity 133 to enable the cavity 133 to limit the straight rod segment 132, further improving the reliability of the first link 126 for urging the second link 127. Of course, the slide 129 can also be disposed on the first link 126, and the rotating shaft 128 is disposed on the second link 127.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, and The invention is not limited thereto; although the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or some or all of them. The technical features are equivalently substituted; and the modifications or substitutions do not depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

An image forming apparatus, comprising:

frame;

a drive gear hinged to the frame by a first connecting shaft;

a driving head, the driving head sleeve is sleeved on the first connecting shaft and connected to the driving gear, and the driving head is provided with a connecting member for connecting with the process box;

a lever, the lever includes a first arm and a second arm, the lever being hinged to the frame by a second connecting shaft, the second connecting shaft being at least perpendicular to the first connecting shaft Positioning, the second arm is configured to drive the driving head to slide forward along the first connecting shaft in a forward rotation state of the lever about the second connecting shaft, so that the connecting member can Separated from the process cartridge;

a driving member is slidably connected to the frame through a rail, the rail is disposed along a length direction of the lever, the driving member is provided with a first driving portion, and the first driving portion is used for the driving component Contacting the first arm during forward sliding along the track and driving the lever to rotate forward;

The outer cover is hinged to the frame and connected to the driving member, and the outer cover drives the driving member to slide forward during the opening process.
The image forming apparatus according to claim 1, wherein:

The side of the driving head is provided with an abutting member;

The second arm is configured to contact the abutting member in a state in which the lever rotates normally about the second connecting shaft, and drive the driving head to slide forward along the first connecting shaft. So that the connector can be separated from the process cartridge;

The second arm is configured to contact the abutting member in a reverse state of the lever about the second connecting shaft, and drive the driving head to slide in the opposite direction along the first connecting shaft. So that the connector can be connected to the process cartridge;

The first arm and the second arm form a set angle, and the first driving portion is configured to be in phase with the first surface of the first arm during the forward sliding of the driving member along the track Contacting and driving the lever to rotate forward;

The driving member is further provided with a second driving portion for contacting and contacting the second surface of the first arm during the reverse sliding of the driving member along the track Moving the lever to reverse;

The outer cover drives the driving member to slide in the reverse direction during the closing process.
The image forming apparatus according to claim 2, wherein a first surface of the first arm is disposed toward the second arm, and a second surface of the first arm faces away from the second The arm is disposed, and the first surface of the first arm is provided with a limiting portion, and the limiting portion is configured to be engaged with the first driving portion during the forward sliding of the driving member.
The image forming apparatus according to any one of claims 1 to 3, further comprising elastic means disposed between said driving head and a driving gear for driving said driving head along said first connection Reverse sliding of the shaft, the driving head being capable of driving the second arm to drive the lever to rotate around the second connecting shaft to rotate the first arm to a set position and The connector is connectable to the process cartridge.
The image forming apparatus according to claim 1, wherein:

The driving head is provided with a first shaft hole, and the first shaft hole is provided with a sliding slot, and the sliding slot extends along the axial direction of the first shaft hole;

The driving gear is provided with a sliding shaft, and a second shaft hole is disposed in the axial direction of the sliding shaft, and an outer wall of the sliding shaft is provided with a slider, and the sliding shaft is disposed in the first shaft hole. The slider is slidably disposed in the sliding slot, and the first connecting shaft is disposed in the second shaft hole and the first shaft hole;

The slider is slidable along the sliding slot to enable the driving head to slide along the sliding shaft, and is capable of being engaged with the sliding slot during rotation of the driving gear about the first connecting shaft, The drive gear is enabled to rotate the drive head.
The image forming apparatus according to claim 1, wherein said frame is provided with a mounting rail for slidingly connecting with said process cartridge to enable said process cartridge to be slidable to a mounting position, The mounting rail and the rail are integrally formed.
The image forming apparatus according to claim 1, wherein said driving member is coupled to said outer cover by a link device, said outer cover being hinged to said frame by a third connecting shaft, said third connection The shaft is parallel to the first connecting shaft;

The link device includes a first link and a second link, the first end of the first link and the first end of the second link being hinged by a rotating shaft and a slide, the rotating shaft and the The third connecting shafts are parallel, and the slide rails extend in a direction perpendicular to the third connecting shaft, and the rotating shaft can Sliding along the slide;

The second end of the first link is hinged with the outer cover by a fourth connecting shaft, the fourth connecting shaft is disposed in parallel with the third connecting shaft, and is provided between the third connecting shaft and the third connecting shaft a fixed distance, the second link is slidably coupled to the frame through the rail, and the first link is configured to drive the second link to slide along the track under the driving of the outer cover. The drive member is coupled to the second link.
The image forming apparatus according to claim 7, wherein the first link comprises a curved section.
The image forming apparatus according to claim 8, wherein:

The slide is disposed on the second link and extends along the track direction, and the rotating shaft is disposed on the first link;

The first end of the first link is a straight rod segment, the second end of the first link is the curved portion, and a cavity is formed in the second link, the cavity is along the Extending in the track direction, the cavity is for receiving the straight section.