CN218261169U - Paper feeding device paper twisting wheel - Google Patents
Paper feeding device paper twisting wheel Download PDFInfo
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- CN218261169U CN218261169U CN202222886634.4U CN202222886634U CN218261169U CN 218261169 U CN218261169 U CN 218261169U CN 202222886634 U CN202222886634 U CN 202222886634U CN 218261169 U CN218261169 U CN 218261169U
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Abstract
The utility model discloses a paper feeding device paper rolling wheel, which relates to the technical field of printing equipment, and comprises a wheel shaft and a plurality of rolling wheels which are connected with the outer part of the wheel shaft in a penetrating way, wherein a plurality of mounting sleeves are fixedly arranged on the outer part of the wheel shaft, a plurality of locking holes are arranged on the two sides of the outer wall of each mounting sleeve along the circumferential direction, fixing rings are fixedly arranged at the two ends of each rolling wheel, and an adjusting ring is arranged on the outer part of each fixing ring; the utility model discloses simple structure, when dismantling the rubbing wheel, only need rotate the adjustable ring earlier, make the hidden hole and the ball groove one-to-one of adjustable ring inner wall, the ball also can enter into and hide downtheholely this moment, so the ball can leave from the locking hole when having lost the extrusion of adjustable ring inner wall, will rub the wheel again at this moment and pull down from the installation cover of shaft can, convenient operation is swift, people of being convenient for are to the installation and the dismantlement of rubbing the wheel, and it is downthehole to block the locking through the ball, also can prevent to rub the wheel and produce the rotatory condition at the rubbing paper in-process.
Description
Technical Field
The utility model relates to a lithography apparatus technical field specifically is a paper feeder pickup roller.
Background
The paper twisting wheel is a wheel capable of twisting paper from a paper stack, and is mainly used for office equipment such as printers, copiers, stenographs, digital all-in-one printers and the like. The working principle is that when the transmission shaft of the paper rolling wheel rotates, the paper rolling wheel is driven to rotate by the brake of a one-way clutch (one-way bearing), and paper pressed at a point below the paper rolling wheel is stuck up and driven to move forward.
Through retrieval, in the Chinese patent application number of 201720020466.7, a paper feeding device pickup wheel is disclosed, which comprises a pickup wheel (1) and a wheel shaft (2), wherein the pickup wheel (1) is connected on the wheel shaft (2) in a penetrating way, and the wheel shaft (2) is a flexible shaft made of a flexible material; the outer edge of the rubbing wheel (1) is sleeved with a rubbing sleeve (3) made of flexible material, and the outer edge of the rubbing sleeve (3) is provided with a plurality of grains (31); the utility model has the advantages of a can adapt to paper feed frictional force automatically and carry out the paper feeding device pickup roller of different papers.
However, the rubbing wheel in the patent is not easy to be disassembled, and if the rubbing wheel or the rubbing sleeve is damaged, the rubbing wheel is difficult to be disassembled from the wheel shaft, so that the labor intensity of workers is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a paper feeder pickup roller to solve the pickup roller in this patent and be not convenient for dismantle, if appear pickup roller or rub when covering and damage, then be difficult to pull down pickup roller from the shaft, thereby can increase workman intensity of labour's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the paper feeding device paper twisting wheel comprises a wheel shaft and a plurality of paper twisting wheels penetrating through the outer portion of the wheel shaft, wherein a plurality of mounting sleeves are fixedly mounted on the outer portion of the wheel shaft, a plurality of locking holes are formed in the two sides of the outer wall of each mounting sleeve along the circumferential direction, fixing rings are fixedly mounted at the two ends of each paper twisting wheel, an adjusting ring is arranged on the outer portion of each fixing ring, a plurality of ball grooves are formed in the outer wall surface of each fixing ring and located at the adjusting ring, and balls are arranged in the ball grooves.
Preferably, a plurality of hidden holes are formed in the inner wall of the adjusting ring along the circumferential direction.
Preferably, the outer wall of the rubbing wheel is sleeved with a rubbing sleeve made of a flexible material, and the outer wall of the rubbing sleeve is provided with a plurality of grains.
Preferably, a plurality of lugs are fixedly mounted on the surface of the outer wall of the adjusting ring, and an indication mark is embedded on the surface of the outer wall of the fixing ring.
Preferably, the inner diameter of the fixing ring is consistent with that of the rubbing wheel, and the sum of the lengths of the two fixing rings and the rubbing wheel is equal to that of the mounting sleeve.
Preferably, the inner diameter of the opening of the ball groove is smaller than the diameter of the ball.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses simple structure, when dismantling the rubbing wheel, only need rotate the adjustable ring earlier, make the hidden hole and the ball groove one-to-one of adjustable ring inner wall, the ball also can enter into and hide downtheholely this moment, so the ball can leave from the locking hole when having lost the extrusion of adjustable ring inner wall, will rub the wheel again at this moment and pull down from the installation cover of shaft can, convenient operation is swift, people of being convenient for are to the installation and the dismantlement of rubbing the wheel, and it is downthehole to block the locking through the ball, also can prevent to rub the wheel and produce the rotatory condition at the rubbing paper in-process.
Drawings
FIG. 1 is a schematic view of the overall structure of the pickup roller of the paper feeder of the present invention;
FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;
fig. 3 is a schematic view of the sectional structure of the fixing ring and the mounting sleeve of the paper feeding device pickup roller of the present invention.
In the figure: 10-a wheel axle; 11-mounting a sleeve; 12-a locking hole; 20-a rubbing wheel; 21-a fixed ring; 22-an adjusting ring; 23-a bump; 24-a ball groove; 25-a ball bearing; 26-hide the hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a paper feed ware pickup roller, includes shaft 10 and cross-under in four pickup rollers 20 of shaft 10 outside, and shaft 10 outside fixed mounting has four installation covers 11, and six locking holes 12 have been seted up along the circumferencial direction in installation cover 11 outer wall both sides, and pickup roller 20 both ends fixed mounting has fixed ring 21, and fixed ring 21 outside rotation is installed adjustable ring 22, and six hidden holes 26 have been seted up along the circumferencial direction to adjustable ring 22 inner wall. Additionally, according to the utility model discloses an embodiment, fixed ring 21 outer wall is located adjustable ring 22 and has seted up the swivelling chute, adjustable ring 22 rotates and installs at this swivelling chute, and adjustable ring 22's thickness is greater than the degree of depth of swivelling chute, so half of adjustable ring 22 is outside extending to the swivelling chute, consequently, can guarantee the rotatory stability of adjustable ring 22, and the swivelling chute inner wall closely laminates with adjustable ring 22 surface, can increase the rotatory frictional force of adjustable ring 22, make adjustable ring 22 can not rotate by oneself under no exogenic action, can realize the auto-lock effect. Six ball grooves 24 are formed in the outer wall surface of the fixing ring 21 at the position of the adjusting ring 22, balls 25 are installed in the ball grooves 24 in a rolling mode, and the balls 25 are matched with the locking holes 12.
Further, when the rubbing wheel 20 is disassembled, only the adjusting ring 22 needs to be rotated first, so that the hidden holes 26 on the inner wall of the adjusting ring 22 correspond to the ball grooves 24 one by one, at this time, the balls 25 also enter the hidden holes 26, so that the balls 25 can leave from the locking holes 12 when the extrusion of the inner wall of the adjusting ring 22 is lost, at this time, the rubbing wheel 20 is disassembled from the mounting sleeve 11 of the axle 10, when the rubbing wheel 20 is installed, the rubbing wheel 20 is inserted into the outside of the mounting sleeve 11, when the end of the fixing ring 21 is leveled with the end of the mounting sleeve 11, the ball grooves 24 correspond to the locking holes 12 at this time, then the adjusting ring 22 is rotated, and the balls 25 can be clamped into the locking holes 12 under the extrusion of the inner wall of the adjusting ring 22, so that the rubbing wheel 20 can be installed and fixed.
In the preferred technical scheme of the embodiment, the outer wall of the rubbing wheel 20 is sleeved with a rubbing sleeve made of a flexible material, and the outer wall of the rubbing sleeve is provided with a plurality of grains, so that the paper rubbing process can be prevented from displacement, and the phenomenon of skewing in the printing process can be avoided.
In the preferred technical scheme of this embodiment, the outer wall surface of adjusting ring 22 is fixedly provided with four bumps 23, the outer wall surface of fixing ring 21 is inlaid with four indicators, when four bumps 23 correspond to four indicators one by one, hidden hole 26 of the inner wall of adjusting ring 22 can stagger with ball 25 at this moment, then ball 25 can be clamped into locking hole 12 under the extrusion of the inner wall of adjusting ring 22, the installation and fixation can be realized, when four bumps 23 stagger with four indicators, hidden hole 26 of the inner wall of adjusting ring 22 can correspond to ball 25 at this moment, so ball 25 can lose the extrusion of adjusting ring 22, and the disassembly can be realized.
In the preferred technical solution of the present embodiment, the inner diameter of the fixing ring 21 is the same as the inner diameter of the scrub roller 20, and the sum of the lengths of the two fixing rings 21 and the scrub roller 20 is equal to the length of the mounting sleeve 11, so that the end of the fixing ring 21 does not extend out of the mounting sleeve 11.
In the preferred embodiment, the inner diameter of the opening of the ball groove 24 is smaller than the diameter of the ball 25, so that the ball 25 can be prevented from rolling out of the ball groove 24.
The working principle is as follows: when the rubbing wheel 20 is disassembled, the adjusting ring 22 is rotated to enable the hidden holes 26 on the inner wall of the adjusting ring 22 to correspond to the ball grooves 24 one by one, at the moment, the balls 25 also enter the hidden holes 26, so the balls 25 can leave from the locking holes 12 when the extrusion of the inner wall of the adjusting ring 22 is lost, at the moment, the rubbing wheel 20 is disassembled from the mounting sleeve 11 of the wheel shaft 10, when the rubbing wheel 20 is installed, the rubbing wheel 20 is inserted into the outside of the mounting sleeve 11, when the end part of the fixing ring 21 is flush with the end part of the mounting sleeve 11, the ball grooves 24 correspond to the locking holes 12, then the adjusting ring 22 is rotated, the balls 25 can be clamped into the locking holes 12 under the extrusion of the inner wall of the adjusting ring 22, and the rubbing wheel 20 can be installed and fixed.
The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. A paper feeding device pickup roller comprises a wheel shaft (10) and a plurality of pickup rollers (20) which are connected to the outer part of the wheel shaft (10) in a penetrating way, and is characterized in that: the utility model discloses a rolling wheel, including shaft (10), installation cover (11), a plurality of locking hole (12) have been seted up along the circumferencial direction to installation cover (11) outer wall both sides, wheel (20) both ends fixed mounting has fixed ring (21) with a damp towel, fixed ring (21) outside is provided with adjustable ring (22), a plurality of ball groove (24) have been seted up to fixed ring (21) outer wall surface position in adjustable ring (22), ball groove (24) inside is provided with ball (25).
2. The paper feed roller of claim 1, characterized in that: a plurality of hidden holes (26) are formed in the inner wall of the adjusting ring (22) along the circumferential direction.
3. The paper feed roller of claim 1, characterized in that: the outer wall of the rubbing wheel (20) is sleeved with a rubbing sleeve made of flexible materials, and the outer wall of the rubbing sleeve is provided with a plurality of grains.
4. The paper feed roller of claim 1, characterized in that: the fixed surface of adjusting ring (22) outer wall has a plurality of lug (23), fixed ring (21) outer wall surface inlays and has the pilot mark.
5. The paper feeding device pickup roller as claimed in claim 1, wherein: the inner diameter of the fixing rings (21) is consistent with that of the rubbing wheel (20), and the sum of the lengths of the two fixing rings (21) and the rubbing wheel (20) is equal to that of the mounting sleeve (11).
6. The paper feed roller of claim 1, characterized in that: the inner diameter of the opening of the ball groove (24) is smaller than the diameter of the ball (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222886634.4U CN218261169U (en) | 2022-11-01 | 2022-11-01 | Paper feeding device paper twisting wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222886634.4U CN218261169U (en) | 2022-11-01 | 2022-11-01 | Paper feeding device paper twisting wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218261169U true CN218261169U (en) | 2023-01-10 |
Family
ID=84754436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222886634.4U Active CN218261169U (en) | 2022-11-01 | 2022-11-01 | Paper feeding device paper twisting wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218261169U (en) |
-
2022
- 2022-11-01 CN CN202222886634.4U patent/CN218261169U/en active Active
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