CN208239810U - A kind of reception of driving force and transmitting device and handle box - Google Patents

Abstract

The utility model relates to a driving force receiving and transmitting device and a processing box. The driving force receiving and transmitting device includes a gear sleeve installed on an induction drum and a driving shaft with a driving head at one end. The driving shaft can be moved along the It can move axially and can be installed on the gear sleeve in a certain range while moving axially; when the powder box is installed and used, the drive rod of the machine is connected with the drive head of the drive shaft to make the drive shaft rotate and at the same time The drive shaft moves outward in the axial direction, so that the drive head and the drive rod are fully engaged and tightly held; when the drive rod is separated from the drive head of the drive shaft, the drive shaft automatically reverses and moves inward along the axial direction , to achieve automatic reset. In this way, the problem of stuck point in the drive head of the existing processing cartridge and the problem of difficulty in meshing and time lag in frequent and rapid switching of the processing cartridge during color printing can be solved, the printing performance is stable and reliable, the application range is wide, and the structure is simple and ingenious, and the production and processing are easy. , low cost and favorable for wide application.

Description

A driving force receiving and transmitting device and processing box

technical field

The utility model belongs to the technical field of photosensitive drums and processing boxes, in particular to a photosensitive drum driving force receiving and transmitting device and a toner box using the driving force receiving and transmitting device.

Background technique

At present, the processing boxes (including original manufacturers and compatible manufacturers) used in the existing black and white/color printers, copiers, fax machines and multi-function machines on the market generally adopt a universal drive head structure, but the structure of the universal drive head is relatively complicated. , the machining accuracy is high, and machining errors are prone to cause loosening and mismatching problems between the drive head and the printer drive unit. At the same time, the processing difficulty and cost are high, and the drive head is prone to stuck points during installation, causing the drive head to fail. The drive port is smoothly snapped into the drive port and operated repeatedly, or the connection is loose and unsatisfactory, which makes the transmission force uneven and unstable.

In addition, existing color printers, copiers, facsimile machines, and multi-function machines need to switch process cartridges frequently and quickly during operation, but it is difficult for the high-speed rotating drive rod to fully engage with the existing universal drive head, resulting in the consumption of process cartridge switching. If the time is long, the printing and copying time will be prolonged.

Utility model content

In order to solve the above-mentioned problems in the prior art, the utility model provides a driving head that rotates and protrudes when it is working, and fully meshes with the driving rod of the machine and hugs each other tightly, and can automatically rotate and retract when it is not working. Reset, stable and reliable printing performance, wide application range, simple and ingenious structure, easy production and processing, low-cost new driving force receiving and transmitting device and processing box.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A new type of driving force receiving and transmitting device, including a gear sleeve installed on the induction drum and a drive shaft with a drive head at one end, the drive shaft can move axially and can move within a certain range while moving axially. It is internally rotatably installed on the gear sleeve; when the powder box is installed and used, the drive rod of the machine is connected with the drive head of the drive shaft, so that the drive shaft rotates, and at the same time the drive shaft moves outward along the axial direction, so that the drive head and the drive head The rods are fully engaged and tightly held; when the drive rod is separated from the drive head of the drive shaft, the drive shaft automatically reverses and moves inward along the axial direction to realize automatic reset.

Further, the outer end and the inner end of the gear sleeve are respectively provided with an outer cavity and an inner cavity, and the drive shaft is sequentially passed through the outer cavity and the inner cavity, and the outer cavity and the inner cavity are respectively An axial movement driver and a rotary reset driver acting on the drive shaft are provided, and a guide structure for axial movement and rotational movement is provided between the gear sleeve and the drive shaft.

Further, the axial driving member is a spring a sleeved on the drive shaft, and the rotary reset driving member is a spring b or a mainspring sleeved on the driving shaft; wherein, the spring a is in a compressed state, and the outer end and inner end respectively withstand the drive shaft and the gear sleeve; the outer end and the inner end of the spring b are respectively connected and fixed with the drive shaft and the gear sleeve, or the outer end and the inner end of the spring b are respectively connected with the gear sleeve and the drive The shaft connection is fixed.

Further, the inner end of the gear sleeve is provided with an inner cavity, the drive shaft is installed in the inner cavity, and the inner cavity is provided with a rotary reset driving member acting on the drive shaft, and the gear sleeve A guide structure for axial movement and rotational movement is provided between the drive shaft and the inner end of the drive shaft is provided with an axial movement drive member, which is an elastic support rod, and the elastic The support rod is bent and deformed, and is abutted and connected with the bottom cover.

Further, the inner cavity of the gear sleeve is an open cavity, and a bottom cover is provided at the opening end, and a circular spring installation groove and a spring bayonet are provided on the side connecting the bottom cover and the inner cavity; The drive shaft located in the inner cavity is provided with a bayonet; the outer end of the spring b is provided with a hook portion, and the inner end is provided with a card tail; when assembled, the spring b is sleeved on the drive shaft, and the outer end of the The hook is hooked on the bayonet, the inner end of the spring b is installed in the spring installation groove, and the tail of the bayonet is fastened in the bayonet socket of the spring.

Further, the guide structure includes an arc-shaped left guide slide and a right guide slide set in the inner cavity, and the bayonet pin; the left guide slide and the right guide slide are arranged along the rotation direction of the drive rod Gradually inclined outward, and point-symmetrical with the drive shaft as the center of rotation; when assembled, the two ends of the bayonet pin can be slid back and forth respectively installed on the left guide slide and the right guide slide.

Further, both ends of the left guide slide and the right guide slide are provided with protruding rotation limiting parts; when the drive head and the drive rod are fully engaged and hugged each other tightly, the two ends of the bayonet respectively abut against each other. On the rotation limiting parts of the outer ends of the left guide slide and the right guide slide; when the drive shaft resets automatically, the two ends of the bayonet respectively abut on the rotation limit parts of the left guide slide and the right guide slide inner ends.

Further, the two ends of the bayonet pin can also be provided with gears, and the surfaces of the left guide slide and the right guide slide are provided with teeth matching the gears; when assembling, the gears at the two ends of the bayonet pin are respectively The teeth engagement connection on the left guide slide and the right guide slide.

Further, the guide structure includes an arc-shaped left guide chute and a right guide chute provided on the inner side wall of the cavity, and the bayonet pin; the left guide chute and the right guide chute are arranged along the drive rod. The direction is spirally set outward gradually, and is point-symmetrical with the drive shaft as the rotation center; when assembled, the two ends of the bayonet pin can slide back and forth and be stuck in the left guide chute and the right guide chute respectively.

Further, the left guide chute and the right guide chute are grooves with an open inner end and a closed outer end. When the drive head and the drive rod are fully engaged and hugged each other tightly, the two ends of the bayonet pin respectively abut against the on the closed ends of the left and right guide chute.

Further, the outer cavity of the gear sleeve is an open cavity, and the opening end is provided with a protective cover, and the drive shaft is also provided with a cover plate, and the cover plate can move back and forth axially in the outer cavity with the drive shaft. Move, the outer end and the inner end of the spring a bear against the cover plate and the gear sleeve respectively.

A processing box includes the above-mentioned receiving and transmitting device for driving force, the inner end of the gear sleeve of the receiving and transmitting device for driving force is installed on the induction drum.

The beneficial effects of the utility model are:

Through the above technical scheme, the utility model can make the driving head rotate and protrude when working, and fully mesh with the driving rod of the machine and hold each other tightly, and can automatically rotate, retract and reset when not working, which effectively solves the problem The drive head of the processing box has the problem of stuck point, and it solves the problem of difficult meshing and time lag of frequent and rapid switching of the processing box during color printing. The printing performance is stable and reliable, and the application range is wide. The installation and removal operations are very easy, convenient and fast , and the structure is simple and ingenious, the production process is easy, the cost is low, and it is beneficial to wide application.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of a novel driving force receiving and transmitting device described in the present invention;

Fig. 2 is a schematic diagram of an exploded structure of an embodiment of a novel driving force receiving and transmitting device described in the present invention;

Fig. 3 is a schematic cross-sectional structure diagram of an embodiment of a novel driving force receiving and transmitting device described in the present invention;

Fig. 4 is a structural schematic diagram of a gear sleeve in an embodiment of a novel driving force receiving and transmitting device described in the present invention;

Fig. 5 is another structural schematic diagram of the gear sleeve in the embodiment of a novel driving force receiving and transmitting device described in the present invention;

Fig. 6 is a structural schematic diagram of a new type of driving force receiving and transmitting device embodiment of the utility model with the bottom cover and spring b removed;

Fig. 7 is a structural schematic diagram of a spring b in an embodiment of a novel driving force receiving and transmitting device described in the present invention;

Fig. 8 is a structural schematic diagram of a bottom cover in an embodiment of a novel driving force receiving and transmitting device of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are used to explain the present invention.

As shown in Figure 1 to Figure 8:

A new driving force receiving and transmitting device described in the embodiment of the utility model includes a gear sleeve 1 installed on the induction drum and a driving shaft 3 with a driving head 2 at one end, and the driving shaft 3 can move axially It can move and be rotatably installed on the gear sleeve 1 within a certain range (such as 90°) while moving axially. The specific structure can be as follows: the outer end and the inner end of the gear sleeve 1 are respectively provided with an outer cavity 11 and an inner cavity 12, and the drive shaft 3 is sequentially penetrated in the outer cavity 11 and the inner cavity 12, In addition, the outer cavity 11 and the inner cavity 12 are respectively provided with an axial movement driver and a rotary reset driver acting on the drive shaft 3, and at the same time, an axial movement and a rotation movement are provided between the gear sleeve 1 and the drive shaft 3 guide structure.

Wherein, the axial driving member and the rotating reset driving member are spring a 4 and spring b 5 respectively; when assembled, the spring a 4 and spring b 5 are both sleeved on the drive shaft 3, and the spring a 4 is under compression state, and the outer end and the inner end withstand the drive shaft 3 and the gear sleeve 1 respectively, and the outer end and the inner end of the spring b 5 are connected and fixed with the drive shaft 3 and the gear sleeve 1 respectively. As shown in Figures 3 to 6, the outer cavity 11 of the gear sleeve 1 is an open cavity, and the opening end is provided with a protective cover 17, and the drive shaft 3 is also provided with a cover plate 32, and the cover plate 32 can be used as needed. The drive shaft 3 moves back and forth axially in the outer cavity 11, and the outer end and inner end of the spring a 4 respectively withstand the cover plate 32 and the gear sleeve 1; the inner cavity 12 of the gear sleeve 1 is an open cavity body, and the open end is provided with a bottom cover 13, and the side where the bottom cover 13 is connected with the inner cavity body 12 is provided with a circular spring mounting groove 131 and a spring bayonet 132; the drive shaft 3 located in the inner cavity body 12 There is a bayonet pin 31 on it; the outer end of the spring b5 is provided with a hook portion 51, and the inner end is provided with a bayonet tail portion 52, and the hook portion 51 and the bayonet tail portion 52 are integrally formed with the spring b5. Described guide structure comprises the arc-shaped left guide slide 14 and the right guide slide 15 that are arranged in inner cavity 12, and described bayonet 31; Described left guide slide 14 and right guide slide 15 drive along The rotation direction of the rod 6 is gradually inclined outward, and is point-symmetric with the drive shaft 3 as the rotation center. During assembly, the spring b 5 is sleeved on the drive shaft 3, and the hook portion 51 at the outer end is hooked on the bayonet pin 31, the inner end of the spring b 5 is installed in the spring installation groove 131, and the tail portion 52 is fastened In the spring bayonet 132 , the two ends of the bayonet pin 31 are slidably mounted on the left guide slide 14 and the right guide slide 15 respectively.

The working principle of the new driving force receiving and transmitting device described in the utility model is: when the powder box is installed and used, the driving rod 6 on the machine is connected with the driving head 2 of the driving shaft 3, so that the driving shaft 3 moves along the driving rod 6 Rotate in the direction of rotation, while the drive shaft 3 moves outwards in the axial direction, so that the drive head 2 and the drive rod 6 are fully engaged and hugged tightly; when the drive rod 6 is separated from the drive head 2 of the drive shaft 3, the drive shaft 3 Automatic reverse rotation and inward movement along the axial direction to realize automatic reset. Specifically, when the powder box is installed and used, the driving rod 6 of the machine is drivingly connected with the driving head 2 of the driving shaft 3 to drive the driving shaft 3 to rotate, and at the same time, the axial movement of the driving member (spring a 4 in a compressed state) drives The drive shaft 3 moves outward in the axial direction until the drive rod 6 is fully in contact with the drive head 2 and engages. During this process, the two ends of the bayonet pin 31 slide from the inner ends of the left guide slide 14 and the right guide slide 15 to the outside. At the same time, the rotating reset driver (spring b 5) deforms under the drive of the drive shaft 3, produces a restoring force opposite to the direction of rotation of the drive rod 6, and acts on the drive shaft 3, so that the drive head 2 and the drive rod 6 hug each other tightly; when the drive rod 6 is separated from the drive head 2 of the drive shaft 3, the drive shaft 3 rotates in the opposite direction under the action of the restoring force of the rotary reset driver (spring b 5), and at the same time slides on the left The table 14, the right guide slide table 15 and the bayonet pin 31 move axially inwardly under the joint action to realize reset.

In this way, the new driving force receiving and transmitting device of the utility model can make the driving head 2 rotate and protrude when it is working, and fully mesh with the machine driving rod 6 and hold each other tightly, and it can rotate automatically when it is not working Retraction and reset not only effectively solve the problem of the stuck point of the drive head of the existing process cartridge, but also solve the problem of difficult engagement and time lag of frequent and rapid switching of the process cartridge during color printing. The printing performance is stable and reliable, and the application range is wide. The operation of taking out and taking out is very easy, convenient and fast, and the structure is simple and ingenious, the production and processing are easy, the cost is low, and it is beneficial to wide application.

As a preferred solution of the present invention, both ends of the left guide slide 14 and the right guide slide 15 are provided with raised rotation limiting parts 16; when the drive head 2 and the drive rod 6 are fully engaged and tightly held , the two ends of the bayonet pin 31 respectively abut against the rotation limiters 16 at the outer ends of the left guide slide 14 and the right guide slide 15; On the rotation limiting portion 16 of the inner end of the left guide slide 14 and the right guide slide 15. In this way, the range of axial movement and rotational movement of the drive head 2 can be effectively limited, and the problems of abnormal printing and equipment damage caused by excessive axial movement or rotational movement can be avoided, and the performance is more stable and reliable.

Of course, the axial movement driver and the rotary reset driver can also be other deformable and self-recovering elastic parts, such as elastic sheets, specifically, for example: the rotary reset driver can also be a spring, and its outer The end and the inner end are respectively connected and fixed with the gear sleeve 1 and the drive shaft 3, which can be specifically: the outer end is connected and fixed with the gear sleeve or the bottom cover 13 on the inner wall of the inner cavity 12, and the inner end is connected and fixed with the drive shaft 3. The guide structure can also include arc-shaped left guide chute and right guide chute provided on the inner side wall of the inner cavity 12, and the bayonet pin 31; the left guide chute and the right guide chute are driven along the The direction of the rod 6 is spirally set outward gradually, and it is point-symmetrical with the drive shaft 3 as the center of rotation, and the left guide chute and the right guide chute can be grooves with an inner end opening and an outer end closure; when assembling, the The two ends of the bayonet pin 31 are slidably locked back and forth in the left guide chute and the right guide chute respectively. Respectively against the closed ends of the left guide chute and the right guide chute.

In addition, the two ends of the bayonet 31 can also be provided with gears, and the surfaces of the left guide slide 14 and the right guide slide 15 are provided with teeth matching the gears; when assembling, the two ends of the bayonet 31 The gears are engaged with the teeth on the left guide slide 14 and the right guide slide 15 respectively; when the powder box is installed and used, the drive rod 6 of the machine is connected with the drive head 2 of the drive shaft 3 to drive the drive shaft 3 to rotate At the same time, the axial movement drive member (spring a4 in compressed state) drives the drive shaft 3 to move axially outwards, and the gears on the bayonet 31 are on the left guide slide 14 and the teeth on the right guide slide 15 during this process. Teeth meshing movement, until the drive rod 6 and the drive head 2 fully conflict, engage, and hug each other tightly; when the drive rod 6 is separated from the drive head 2 of the drive shaft 3, the drive shaft 3 automatically rotates in the opposite direction, and Move inward along the axis to realize automatic reset.

Moreover, the axial movement driving member can also be an elastic support rod arranged at the inner end of the drive shaft 3, and the elastic support rod is bent and deformed during assembly, and is abutted and connected with the bottom cover 13; When in use, the driving rod 6 of the machine is drivingly connected with the driving head 2 of the driving shaft 3 to drive the driving shaft 3 to rotate. At the same time, the restoring force of the elastic support rod drives the driving shaft 3 to move axially outward, supporting and maintaining the upward state , so that the driving rod 6 and the driving head 2 are fully in contact with each other, meshed, and tightly embrace each other.

The utility model also provides a processing box, which includes the above-mentioned receiving and transmitting device for driving force, and the inner end of the gear sleeve 1 of the receiving and transmitting device for driving force is installed on the induction drum.

The above is a preferred embodiment of the present utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, some improvements and modifications can also be made, and these improvements and modifications It is also regarded as the protection scope of the present utility model.

Claims (12)

1. A receiving and transmission device of driving force, characterized in that: comprise a gear sleeve (1) installed on the induction drum and a drive shaft (3) with a drive head (2) at one end, the drive shaft (3) ) can move in the axial direction and can be rotatably installed on the gear sleeve (1) within a certain range while moving in the axial direction; when the powder box is installed and used, the drive rod (6) of the machine and the drive shaft (3) The driving head (2) is connected by driving, so that the driving shaft (3) rotates, and at the same time, the driving shaft (3) moves outward along the axial direction, so that the driving head (2) and the driving rod (6) are fully engaged and tightly held together; when When the drive rod (6) is separated from the drive head (2) of the drive shaft (3), the drive shaft (3) automatically reverses and moves inward along the axial direction to realize automatic reset. 2. The device for receiving and transmitting the driving force according to claim 1, characterized in that: an outer cavity (11) and an inner cavity (12) are respectively provided inside the outer end and the inner end of the gear sleeve (1) ), the drive shaft (3) is sequentially set in the outer cavity (11) and the inner cavity (12), and the outer cavity (11) and the inner cavity (12) are respectively provided with a driving shaft ( 3) The axial movement driving part and the rotary reset driving part on the top, and a guiding structure for axial movement and rotational movement is provided between the gear sleeve (1) and the drive shaft (3). 3. The device for receiving and transmitting the driving force according to claim 2, characterized in that: the axial driving member is a spring a (4) sleeved on the drive shaft (3), and the rotating reset driving member is a sleeve Spring b (5) or mainspring on the drive shaft (3); wherein, the spring a (4) is in a compressed state, and the outer end and inner end respectively withstand the drive shaft (3) and the gear sleeve (1) The outer end and the inner end of the spring b (5) are connected and fixed with the drive shaft (3) and the gear sleeve (1) respectively, or the outer end and the inner end of the spring b are connected with the gear sleeve (1) and the drive shaft respectively. Axle (3) is connected and fixed. 4. The device for receiving and transmitting the driving force according to claim 2, characterized in that: an inner cavity (12) is provided inside the inner end of the gear sleeve (1), and the drive shaft (3) is penetrated in the In the inner cavity (12), and the inner cavity (12) is provided with a rotary reset driving member acting on the drive shaft (3), and at the same time, there is a A guiding structure for axial movement and rotational movement, and the inner end of the drive shaft (3) is provided with an axial movement driver, and the axial movement driver is an elastic support rod, and the elastic support rod is bent and deformed during assembly , and abutted with the bottom cover (13). 5. The device for receiving and transmitting the driving force according to claim 3, characterized in that: the inner cavity (12) of the gear sleeve (1) is an open cavity, and the open end is provided with a bottom cover (13) , the side where the bottom cover (13) is connected to the inner cavity (12) is provided with a circular spring installation groove (131) and a spring bayonet (132); the drive located in the inner cavity (12) The shaft (3) is provided with a bayonet pin (31); the outer end of the spring b (5) is provided with a hook portion (51), and the inner end is provided with a bayonet tail portion (52); during assembly, the spring b (5) ) is set on the drive shaft (3), and the hook (51) at the outer end is hooked on the bayonet pin (31), the inner end of the spring b (5) is installed in the spring installation groove (131), and the tail of the bayonet (52) is fastened in the spring bayonet (132). 6. The device for receiving and transmitting the driving force according to claim 5, characterized in that: the guide structure includes arc-shaped left guide slide (14) and right guide slide provided in the inner cavity (12) (15), and the bayonet pin (31); the left guide slide (14) and the right guide slide (15) are gradually outwardly inclined along the rotation direction of the drive rod (6), and are driven by the drive shaft (3 ) is point-symmetrical to the center of rotation; during assembly, the two ends of the bayonet pin (31) can be slidably installed on the left guide slide (14) and the right guide slide (15) respectively. 7. The receiving and transmitting device of driving force according to claim 6, characterized in that: both ends of the left guide slide (14) and the right guide slide (15) are provided with raised rotation limiting parts ( 16); when the driving head (2) and the driving rod (6) are fully engaged and tightly embracing each other, the two ends of the bayonet pin (31) are respectively against the left guide slide (14) and the right guide slide (15 ) on the rotation limiter (16) at the outer end; when the drive shaft (3) automatically resets, the two ends of the bayonet (31) are respectively against the left guide slide (14) and the right guide slide (15) on the rotation limiter (16) at the end. 8. The device for receiving and transmitting the driving force according to claim 6, characterized in that: the two ends of the bayonet pin (31) can also be provided with gears, and the left guide slide (14) and the right guide slide The surface of (15) is provided with teeth matched with the gear; when assembling, the gears at both ends of the bayonet pin (31) are meshed with the teeth on the left guide slide (14) and the right guide slide (15) respectively . 9. The device for receiving and transmitting the driving force according to claim 6, characterized in that: the guide structure includes arc-shaped left guide chute and right guide chute provided on the inner side wall of the inner cavity (12), And the bayonet pin (31); the left guide chute and the right guide chute are gradually outwardly spirally arranged along the direction of the drive rod (6), and are point-symmetrical with the drive shaft (3) as the center of rotation; during assembly, Both ends of the bayonet pin (31) are respectively locked in the left guide chute and the right guide chute so as to slide back and forth. 10. The device for receiving and transmitting the driving force according to claim 9, characterized in that: the left guide chute and the right guide chute are grooves with an inner end open and an outer end closed, when the drive head (2) and When the driving rods (6) are fully engaged and tightly held to each other, the two ends of the bayonet pin (31) are respectively against the closed ends of the left guide chute and the right guide chute. 11. The device for receiving and transmitting the driving force according to any one of claims 3 or 5 to 10, characterized in that: the outer cavity (11) of the gear sleeve (1) is an open cavity, and the open end is provided with There is a protective cover (17), and the drive shaft (3) is also provided with a cover plate (32), and the cover plate (32) can move back and forth axially in the outer cavity (11) along with the drive shaft (3) , the outer end and the inner end of the spring a (4) withstand the cover plate (32) and the gear sleeve (1) respectively. 12. A process box, characterized in that: it comprises the receiving and transmitting device of any one of the above-mentioned claims 1-10, the gear sleeve (1) inner end of the receiving and transmitting device of the driving force is installed on the induction drum.