CN211222630U - Paper tube positioning and locking system - Google Patents
Paper tube positioning and locking system Download PDFInfo
- Publication number
- CN211222630U CN211222630U CN201921610209.4U CN201921610209U CN211222630U CN 211222630 U CN211222630 U CN 211222630U CN 201921610209 U CN201921610209 U CN 201921610209U CN 211222630 U CN211222630 U CN 211222630U
- Authority
- CN
- China
- Prior art keywords
- paper tube
- paper
- shaft
- plate
- auxiliary plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Unwinding Webs (AREA)
Abstract
The utility model discloses a paper tube positioning and locking system, which comprises a paper tube locking end cover and a paper tube locking module, wherein the paper tube locking end cover and a roll paper are coaxially arranged at one end of the roll paper; the paper tube locking module is detachably arranged on the inner side of the paper tube locking end cover, the paper tube locking module is arranged on the inner side of the roll paper, and the paper tube locking module locks the roll paper to prevent the roll paper from rotating; the paper tube locking module comprises a clamping plate, an auxiliary plate, a rotating shaft and an elastic body, wherein the clamping plate, the auxiliary plate and the rotating shaft are arranged in a scissor shape, the elastic body is arranged between the clamping plate and the auxiliary plate, and the clamping plate is abutted to and locks the roll paper; the clamping plate and the auxiliary plate which are in the shape of the scissors are simple in structure and high in reliability, and the elastic body arranged between the clamping plate and the auxiliary plate ensures that the clamping plate firmly abuts against the roll paper and effectively prevents the roll paper from generating relative displacement with the clamping plate.
Description
Technical Field
The utility model relates to an image-text printing device especially relates to a fiber container location locking system.
Background
In the production life, people can not print the images. Because the roll paper is stored compactly, the roll paper has a small space and is widely used, for example, in the fields of large-scale manufacturing industry and real estate opening, an a0 large format printer is indispensable, and an a0 large format printer uses roll paper; when the merchant overprints bills, a roll paper printer is also adopted. Before the printer works, the roll paper needs to be installed on a paper tube shaft of the printer, and the paper tube shaft rotates to drive the roll paper to rotate. When the cooperation between stock form and the fiber container axle is too loose, the condition that probably takes place to skid between fiber container axle and the stock form leads to the short-time paper feed to become slow, influences printing quality. The installation of the positioning device between the paper drum shaft and the paper roll of the printer is complex, and the problems that the positioning device is blocked, the clamping is not smooth, and even the installation wastes time and labor are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide one kind can simple to operate and fixed reliable fiber container location locking system.
The utility model adopts the following technical scheme: a paper tube positioning and locking system comprises a paper tube locking end cover and a paper tube locking module, wherein the paper tube locking end cover and roll paper are coaxially arranged at one end of the roll paper; the paper tube locking module is detachably arranged on the inner side of the paper tube locking end cover, the paper tube locking module is arranged on the inner side of the roll paper, and the paper tube locking module locks the roll paper to prevent the roll paper from rotating;
the paper tube locking module comprises a clamping plate, an auxiliary plate, a rotating shaft and an elastic body, wherein the clamping plate, the auxiliary plate and the rotating shaft are arranged in a scissor shape, the elastic body is arranged between the clamping plate and the auxiliary plate, and the clamping plate abuts against and locks the roll paper.
The elastic body may be a spring, that is, any one of a coil spring, a leaf spring, and a belleville spring, or may be an object having elastic deformation, such as rubber.
Furthermore, the paper tube locking end cover is provided with a first positioning part, and the auxiliary plate is provided with a second positioning part corresponding to the first positioning part.
Further, a handle is arranged on the clamping plate, and the distance from the handle to the rotating shaft is greater than the distance from the elastic body to the rotating shaft.
As a specific embodiment, the handle is arranged on the auxiliary plate, and the arrangement position of the handle is simply changed and is also an equivalent technical scheme of the technical scheme.
The paper roll is characterized by further comprising a paper roll shaft, the paper roll shaft is sleeved inside the paper roll and is a hollow shaft, the paper roll shaft is provided with a through hole, the clamping plate, the auxiliary plate and the rotating shaft are arranged inside the paper roll shaft, the clamping plate is provided with a protruding portion, and the protruding portion penetrates through the through hole and abuts against the inner surface of the paper roll.
Further, the protruding portion has a triangular shape.
Further, a guide groove is formed in the paper tube shaft, and the auxiliary plate slides in or out of the paper tube shaft along the guide groove.
Further, the guide grooves are two symmetrically distributed by taking the axial line of the paper tube as a symmetric axis.
Furthermore, two side surfaces of the auxiliary plate in the width direction are provided with protruding parts, and the protruding parts are matched with the guide grooves.
Further, the number of the elastic bodies is not less than one.
Further, the elastic body is a spiral spring, the number of the spiral springs is two, the side face of the auxiliary plate is provided with a spring fixing portion, the clamping plate is provided with a spring fixing portion II at a position corresponding to the spring fixing portion, and the spiral spring is arranged between the spring fixing portion II and the spring fixing portion II.
The utility model has the advantages that: the utility model discloses screens board and the accessory plate simple structure of scissors form, the reliability is high, and the elastomer that sets up between screens board and the accessory plate ensures that the screens board firmly contradicts the stock form and effectively prevents to take place relative displacement between stock form and the screens board.
Furthermore, a first positioning part arranged on the paper tube locking end cover and a second positioning part correspondingly arranged on the auxiliary plate can effectively position and fix the paper tube locking end cover and the paper tube locking module, so that reliable relative fixation between the paper tube locking end cover and the paper roll is ensured.
Further, the distance from the handle to the rotating shaft is greater than the distance from the elastic body to the rotating shaft, the elastic body can be compressed by using less force through the distance from the lever, the clamping plate is unlocked, the operation is convenient, and the clamping plate can be operated by only one hand even.
Furthermore, the setting of hollow fiber container axle makes things convenient for fiber container locking module installation, and the protruding portion that sets up on the screens board can concentrate on the protruding portion with the inside power of screens board effect at the stock form for the screens board is more reliable to the fixed of stock form.
Furthermore, the triangular protrusion concentrates the acting force of the clamping plate on the inner wall of the roll paper, and effective fixation of the roll paper is ensured.
Furthermore, the guide groove provides guide when the auxiliary plate is installed, so that the installation of the paper tube locking module is facilitated, even one-hand operation can be implemented, and the use convenience of the paper tube positioning and locking system is improved.
Furthermore, two guide grooves which are symmetrically distributed by taking the axis of the paper tube shaft as a symmetry axis can provide more accurate guide and non-axial fixation for the clamping plate.
Furthermore, the bulge part is matched with the guide groove, so that the contact area between the auxiliary plate and the guide groove can be reduced, the friction between the auxiliary plate and the guide groove when the auxiliary plate is inserted into the paper tube shaft is reduced, and the operation is convenient.
Furthermore, the elastomer of being no less than one can be with the volume miniaturization of elastomer, adopts a plurality of elastomers simultaneously, provides sufficient elastic force when the volume is miniaturized, ensures the reliable fixed between screens board and the stock form inner wall.
Further, the coil spring is easy to obtain, low in manufacturing cost and good in reliability.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of the paper tube locking module of fig. 1.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Example one
As shown in fig. 1, the paper tube positioning and locking system includes a paper tube shaft 1, a paper tube locking end cover 2 and a paper tube locking module 3, wherein the paper tube shaft 1 is coaxially sleeved on the inner side of the roll paper, one end of the paper tube shaft 1 is provided with a gear, and the other end of the paper tube shaft 1 contacts or butts against the paper tube locking end cover 2. The paper tube shaft 1 is a hollow shaft, the surface of the paper tube shaft is provided with a through hole 11, the paper tube locking end cover 2 is annular, and the paper tube locking module 3 is arranged on the inner sides of the paper tube shaft 1 and the paper tube locking end cover 2.
The paper tube locking module comprises a clamping plate 4, an auxiliary plate 5, a rotating shaft 6 and an elastic body 7, wherein the clamping plate 4, the auxiliary plate 5 and the rotating shaft 6 are connected in a scissor shape, and the elastic body 7 is arranged between the clamping plate 4 and the auxiliary plate 5. The clamping plate 4 is provided with a protruding part 41 penetrating through the through hole 11, and the clamping plate 4 penetrates through the through hole 11 through the protruding part 41 to lock the position relation with the paper tube shaft 1; the auxiliary plate 5 is provided with a second positioning part 51, and the second positioning part 51 corresponds to the first positioning part 21 on the paper tube locking end cover 2, so that the relative position of the auxiliary plate 5 and the paper tube locking end cover 2 is limited.
The utility model discloses when using, screens board 4 links together and can revolute 6 rotations of axle through pivot 6 with accessory plate 5, the protruding portion 41 passes through-hole 11 on screens board 4 and fixes with fiber container locking end cover 2, accessory plate 5 realizes accessory plate 5 and fiber container locking end cover 2's relative fixity through location portion two 51 and location portion one 21 on the fiber container locking end cover 2, screens board 4 and accessory plate 5 are articulated through pivot 6, realize fiber container axle 1, fiber container locking end cover 2 and fiber container locking module 3's relative fixity, wherein the protruding portion 41 on the screens board 4 realizes fixing between screens board 4 and the stock form. As a specific embodiment, the second positioning portion 51 on the auxiliary plate 5 is in a hook-shaped structure; the first positioning part 21 on the paper tube locking end cover 2 comprises an axial groove and a protrusion arranged on the inner surface of the paper tube locking end cover 2, and the hook of the second positioning part 51 is just arranged on the protrusion arranged on the inner surface of the paper tube locking end cover 2.
As a specific embodiment, the detachable connection of the auxiliary plate 5 and the paper tube locking end cover 2 is an equivalent scheme of the present scheme, and the detachable connection includes a threaded connection, a clamping connection, an insertion connection and the like.
Further, the protruding portion 41 of the cylinder locking end 2 has a triangular shape. The triangular protrusion 41 can concentrate the force provided by the elastic body 7 on the inner wall of the roll paper by the triangular protrusion 41, ensuring reliable locking of the cylinder lock module 3 with the roll paper position.
Further, the paper tube shaft 1 is a hollow shaft, a guide groove is formed in the inner wall of the paper tube shaft 1 and arranged along the moving direction of the paper tube shaft 1, and the auxiliary plate 5 slides in or out of the paper tube shaft 1 along the guide groove. As a specific implementation manner, the guide grooves are grooves, the bottoms of the guide grooves can be flat or curved, the number of the guide grooves is two, and the two guide grooves are symmetrically distributed by taking the axis of the paper tube shaft 1 as a symmetry axis. The two guide grooves are oppositely arranged, and the two sides of the auxiliary plate 5 are placed in the two guide grooves and can move along the guide grooves.
Further, the auxiliary plate 5 is provided with the protrusions 52 on both side surfaces in a width direction, the width direction is a direction on the auxiliary plate 5 corresponding to a direction of a line connecting the two guide grooves, and the side surface in the width direction of the auxiliary plate 5 is a side surface perpendicular to the direction of the line connecting the two guide grooves. As shown in fig. 2, the protruding portion 52 is placed in the guide groove, the protruding portion 52 can move along the guide groove, and the arrangement of the protruding portion 52 can reduce the contact area between the side surface of the auxiliary plate 5 in the width direction and the guide groove, reduce the friction force between the auxiliary plate 5 and the guide groove, and facilitate the installation of the paper tube locking module 3.
Further, the number of the elastic bodies 7 is not less than one. In a specific embodiment, the elastic body 7 is a coil spring, the number of the elastic bodies is two, as shown in fig. 2, a spring fixing portion 53 is arranged on the side surface of the auxiliary plate, the spring fixing portion 53 is arranged in a rod-shaped vertical auxiliary plate 5, one end of the coil spring is fixed on the spring fixing portion 53, the other end of the coil spring is fixed on a second spring fixing portion 43, the second spring fixing portion 43 is arranged in a rod-shaped vertical manner on the clamping plate 4, and the coil spring is arranged vertical to the axis of the paper tube shaft 1 or close to the axis of the vertical paper tube shaft 1.
Further, one end of the blocking plate 4 is provided with a handle 42, and the distance from the blocking plate to the rotating shaft 6 is larger than the distance from the elastic body 7 to the rotating shaft 6. According to the lever principle, the spring is compressed by applying a small force to the handle 42, and the protrusion 41 is moved toward the auxiliary plate 5, so as to unlock the locking of the inner wall of the roll paper by the locking plate 4. As a specific embodiment, as shown in fig. 2, the handle 42 and the elastic body 7 are respectively disposed on both sides of the rotating shaft 6, the elastic body 7 is disposed on the side where the protrusion 41 is located, the handle 42 is disposed on the end side of the locking plate 4 away from the protrusion 41, the handle is in a plate shape disposed perpendicular to the locking plate 4, and a force is applied to the plate shape of the perpendicular handle 42 to unlock the inner wall of the roll paper by the protrusion 41.
In a specific embodiment, the blocking plate 4 and the auxiliary plate 5 are arranged in an X shape, the handle 42 moves towards the auxiliary plate 5, and the protrusion 41 releases the locking of the inner wall of the roll paper; in a specific embodiment, the blocking plate 4 and the auxiliary plate 5 are arranged in a K-shape, as shown in fig. 2, the vertical line of the K-shape represents the auxiliary plate, two ends of the broken line of the K-shape represent the protrusion 41 and the handle 42, the turning point of the broken line of the K-shape represents the rotating shaft 6, the handle 42 moves away from the auxiliary plate 5, and the protrusion 41 releases the locking of the inner wall of the roll paper.
Example two
The main difference between the second embodiment and the first embodiment is that the second embodiment does not have the paper tube shaft with the same structure as the first embodiment, and the other structures are the same. In the second embodiment, the paper tube positioning and locking system comprises a paper tube locking end cover 2 and a paper tube locking module 3, the paper tube locking module is arranged 3 on the inner side of the paper tube locking end cover 2, the paper tube locking module 3 is detachably arranged on the inner side of the paper tube locking end cover 2, the paper tube locking end cover 2 abuts against one end of the paper roll, and the paper tube locking end cover 2 is connected with the printer driving device.
The utility model discloses when using, the one end of keeping away from fiber container locking end cover 2 at the stock form sets up installation department for the installation stock form, and this installation department can take place relative rotation or not take place relative rotation with the book is inside. As a specific implementation mode, the installation part is provided with a resisting part which is abutted against the end face of the roll paper, one side of the resisting part is provided with an installation fixing part which extends into the inner wall of the roll paper and is fixed with the roll paper, and the installation fixing part can be cylindrical or can be of other structures which can be sleeved on the inner wall of the roll paper. The other side of the resisting part is provided with a shaft arranged on the printer.
The other end of the roll paper is provided with a paper tube locking end cover 2, a paper tube locking module 3 is sleeved in the paper tube locking end cover 2 and the inner wall of the roll paper, and the paper tube locking module 3 and the paper tube locking end cover 2 are detachably fixed. The paper tube locking module comprises a clamping plate 4, an auxiliary plate 5, a rotating shaft 6 and an elastic body 7, and the structure of the paper tube locking module is the same as that of the first embodiment.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The paper tube positioning and locking system is characterized by comprising a paper tube locking end cover (2) and a paper tube locking module (3), wherein the paper tube locking end cover (2) and roll paper are coaxially arranged at one end of the roll paper; the paper tube locking module (3) is detachably arranged on the inner side of the paper tube locking end cover (2), the paper tube locking module (3) is arranged on the inner side of the roll paper, and the paper tube locking module (3) locks the roll paper to prevent the roll paper from rotating;
the paper tube locking module (3) comprises a clamping plate (4), an auxiliary plate (5), a rotating shaft (6) and an elastic body (7), wherein the clamping plate (4), the auxiliary plate (5) and the rotating shaft (6) are arranged in a scissor shape, the elastic body (7) is arranged between the clamping plate (4) and the auxiliary plate (5), and the clamping plate (4) is abutted to lock the roll paper.
2. The system of claim 1, wherein the cylinder locking end cover (2) is provided with a first positioning part (21), and the auxiliary plate (5) is provided with a second positioning part (51) corresponding to the first positioning part (21).
3. A web positioning and locking system as claimed in claim 2, characterized in that the detent plate (4) is provided with a handle (42), and the distance from the handle (42) to the pivot (6) is greater than the distance from the elastic body (7) to the pivot (6).
4. A web positioning and locking system according to claim 1, further comprising a web shaft (1), wherein the web shaft (1) is sleeved inside the web, the web shaft (1) is a hollow shaft, the web shaft (1) is provided with a through hole (11), the position-retaining plate (4), the auxiliary plate (5) and the rotation shaft (6) are arranged inside the web shaft (1), the position-retaining plate (4) is provided with a protrusion (41), and the protrusion (41) penetrates through the through hole (11) and abuts against the inner surface of the web.
5. A cylinder positioning and locking system according to claim 4, characterized in that said projections (41) are triangular in shape.
6. A cylinder positioning and locking system according to claim 4, characterized in that the cylinder shaft (1) is provided with a guide slot inside, along which the auxiliary plate (5) slides into or out of the cylinder shaft (1).
7. A cylinder positioning and locking system according to claim 6, characterized in that said guide slots are two symmetrically distributed with respect to the axis of the cylinder shaft (1).
8. A cylinder positioning and locking system according to claim 7, characterized in that the auxiliary plate (5) is provided with protrusions (52) on both sides in the width direction, said protrusions (52) being adapted to the guide grooves.
9. A cylinder positioning and locking system according to any of claims 1 to 8, characterized in that there is not less than one of said elastic bodies (7).
10. A web positioning and locking system as claimed in claim 9, wherein said elastic body (7) is a coil spring, said coil spring is two, said auxiliary plate (5) is laterally provided with a spring fixing portion (53), said detent plate (4) is provided with a second spring fixing portion (43) at a position corresponding to said spring fixing portion (53), said coil spring is disposed between said second spring fixing portion (43) and said spring fixing portion (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610209.4U CN211222630U (en) | 2019-09-25 | 2019-09-25 | Paper tube positioning and locking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610209.4U CN211222630U (en) | 2019-09-25 | 2019-09-25 | Paper tube positioning and locking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211222630U true CN211222630U (en) | 2020-08-11 |
Family
ID=71934338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921610209.4U Active CN211222630U (en) | 2019-09-25 | 2019-09-25 | Paper tube positioning and locking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211222630U (en) |
-
2019
- 2019-09-25 CN CN201921610209.4U patent/CN211222630U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE19715545B4 (en) | Battery compartment, microphone and electronic device | |
| EP1106754B1 (en) | Flat key | |
| DE102004057686A1 (en) | switching device | |
| CN101352957B (en) | Device for installing forme | |
| CN211222630U (en) | Paper tube positioning and locking system | |
| DE102006018005A1 (en) | battery Pack | |
| DE102017111704A1 (en) | Locking system with rotatable actuator and spring element | |
| DE102012011951A1 (en) | Locking device and vehicle seat | |
| US4936695A (en) | Gear engaging mechanism for a paper handling device | |
| US6325315B1 (en) | Change-speed construction for fishing reel | |
| JPH0245149A (en) | Sheet gripper for sheet rotary press | |
| CN217814530U (en) | Push pin door hinge mechanism | |
| GB2066927A (en) | Securing a hub to a shaft | |
| CA2049640A1 (en) | Bowden-cable window-lifter drive for vehicles | |
| CN101161418A (en) | Rapid debolting tool with magnetism | |
| CN212194860U (en) | Automatic pencil feeding and discharging structure of pencil sharpener | |
| CN209103105U (en) | Delevoping cartridge and imaging device | |
| ES2134077A1 (en) | Tubular lock assembly | |
| CN220700704U (en) | Printing device capable of easily replacing printing pigment | |
| CN220101963U (en) | Unidirectional screwing device | |
| DE2807969A1 (en) | WRITING DEVICE WITH PRINT MECHANICS | |
| CN108407470A (en) | Thermal printer movement | |
| CN210439814U (en) | Electronic lock and lock tongue mounting structure | |
| CN107505823B (en) | Linkage mechanism and developing box with same | |
| CN116674306B (en) | Integrated key structure with printing control function and bin opening function and printer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |