CN217532318U - Printer paper width adjusting mechanism - Google Patents
Printer paper width adjusting mechanism Download PDFInfo
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- CN217532318U CN217532318U CN202221013032.1U CN202221013032U CN217532318U CN 217532318 U CN217532318 U CN 217532318U CN 202221013032 U CN202221013032 U CN 202221013032U CN 217532318 U CN217532318 U CN 217532318U
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- guide rail
- locking block
- paper
- paper width
- installation guide
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Abstract
The utility model provides a printer paper width adjustment mechanism belongs to printer technical field. It has solved current printer paper width adjustment mechanism complex operation's problem. The printer paper width adjusting mechanism comprises a support, a lower installation guide rail arranged on the support and an upper installation guide rail arranged above the lower installation guide rail in parallel, wherein a paper blocking seat capable of sliding along the length direction of the lower installation guide rail is arranged on the lower installation guide rail, a locking block capable of moving longitudinally is connected onto the paper blocking seat, an elastic piece is arranged between the locking block and the paper blocking seat, and the locking block is in static fit with the lower surface of the upper installation guide rail under the action of the elastic piece. The locking block is statically matched with the upper installation guide rail through the elasticity of the elastic piece, the locking block does not move relative to the lower surface of the installation guide rail, and the limiting effect on paper is good; during unlocking, only the locking block needs to be pressed downwards, the locking block is pushed along the length direction of the lower installation guide rail while being pressed down, the paper blocking seat can be driven to move, and the operation is convenient.
Description
Technical Field
The utility model belongs to the technical field of the printer, a printer paper width adjustment mechanism is related to.
Background
Bar code printers generally need to print paper of different widths, and in order to meet the requirements of printing definition and printing position, the paper needs to be guided by a guide mechanism. The width of the existing guide mechanism is fixed, and paper with larger width can not pass through the guide mechanism.
Therefore, the chinese patent discloses a paper width adjusting mechanism [ No. CN206086020U ] for barcode printer, which comprises a right paper clamping guide plate, a left paper clamping guide plate, a guide plate driving mechanism and a guide plate locking mechanism, wherein the left paper clamping guide plate or the right paper clamping guide plate is locked or unlocked by connecting or separating the guide plate locking mechanism with or from the movement frame. The guide plate locking mechanism comprises a push button, a pressure spring and a clutch structure, the push button is embedded in a push button mounting hole formed in the left paper clamping guide plate or the right paper clamping guide plate and can move relatively along the paper feeding direction, the pressure spring and the clutch structure are respectively arranged on two opposite sides of the push button along the paper feeding direction, and the clutch structure is in a joint positioning state through the elasticity of the pressure spring.
When the paper clamping device is adjusted, the push button is pushed along the paper feeding direction, the short positioning rack and the long positioning rack are separated from the occlusion part, then the right paper clamping guide sheet is pulled, the right paper clamping guide sheet moves along the width direction of paper, and then the width adjustment is realized. The unlocking action and the width adjusting action cannot be realized through the same component, so that the operation is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems of the prior art, and provides a printer paper width adjusting mechanism with simple operation.
The purpose of the utility model can be realized by the following technical proposal:
printer paper width adjustment mechanism, including the support, locate down installation guide rail on the support and parallel locate down the last installation guide rail of installation guide rail top, be equipped with down on the installation guide rail and follow its length direction gliding fender paper seat, but be connected with longitudinal motion's latch segment on the fender paper seat, be equipped with the elastic component between latch segment and the fender paper seat the lower surface static fit of latch segment and last installation guide rail under the effect of elastic component.
The static fit means that the locking block and the lower surface of the mounting guide rail do not move relatively, namely, under the action of the elastic part, a large friction force exists between the locking block and the lower surface of the mounting guide rail, so that the paper blocking seat and the support do not move relatively, and the printer paper is limited between the paper blocking seat and the support in the width direction.
When the width of the paper is changed, the position of the paper blocking seat is adjusted to adapt to the width of the paper. When the paper stop seat moves to a proper position, downward force applied to the locking block is cancelled, and the locking block is in static fit with the lower surface of the mounting guide rail again under the action of the elastic piece.
In the above printer paper width adjustment mechanism, the locking block/paper blocking seat is provided with a guide post extending longitudinally, the paper blocking seat/locking block is provided with a guide hole corresponding to the guide post, and the guide post extends into the guide hole and is in sliding fit with the guide hole.
The guide hole and the guide column guide the up-and-down movement of the locking block, so that the locking block can only move up and down relative to the paper blocking seat. When the locking block is separated from the lower surface of the upper mounting guide rail and the paper blocking seat moves along the length direction of the lower mounting guide rail, the guide column can drive the locking block to move along the length direction of the lower mounting guide rail. In order to improve stability, can set up a plurality of guide posts, every guide post corresponds a guiding hole, and when the guide post was the cylinder, a plurality of guide posts can also prevent latch segment circumferential direction, guaranteed the accuracy nature of latch segment position.
In the printer paper width adjusting mechanism, the elastic member is a pressure spring. The pressure spring extends along the longitudinal direction, and when the locking block moves downwards, the pressure spring is pressed to deform.
In the printer paper width adjusting mechanism, the pressure spring is sleeved on the guide post. When the guide columns are multiple, the number of the pressure springs is equal to that of the guide columns, the pressure springs are arranged in a one-to-one correspondence mode, and the pressure springs are sleeved on the guide columns which are arranged in a corresponding mode.
In above-mentioned printer paper width adjustment mechanism, set up the upper guide rail groove that extends along its length direction on the last installation guide rail, the latch segment is located the upper guide rail inslot, the installation buckle that extends to the upper mounting guide rail below has on the latch segment installation buckle and the lower surface static fit of last installation guide rail under the effect of elastic component.
The upper guide rail groove is a through groove which is formed by vertically penetrating the upper installation guide rail, the locking block is limited in the upper guide rail groove in the width direction of the upper installation guide rail, the two sides of the locking block are respectively provided with installation buckles, and the installation buckles on the two sides are respectively in static fit with the lower surface of the upper installation guide rail under the action of the elastic piece. Because the latch segment is located the guide rail inslot, the upper portion of latch segment is not blockked by last installation guide rail, conveniently from top to bottom presses the latch segment.
In the printer paper width adjusting mechanism, the lower part of the upper mounting guide rail is provided with a limiting boss which is correspondingly arranged with the mounting buckle, and the mounting buckle is statically matched with the limiting boss under the action of the elastic part.
In order to increase the friction force between the limiting boss and the mounting buckle, the limiting boss needs to be subjected to friction increasing treatment. Even can set up first latch on spacing boss, set up the second latch on the installation buckle, first latch and second latch extend along the width direction of last installation guide rail, under the effect of elastic component, first latch and second latch meshing.
In the above-mentioned printer paper width adjustment mechanism, downwardly extending's spliced pole has on the latch segment, the lower extreme of spliced pole is located to the installation buckle, the lower part of installation buckle is equipped with the direction inclined plane.
The spliced pole has certain elasticity, and the direction inclined plane is installed the buckle and is got into the guide rail groove on conveniently. When the distance between the upper mounting guide rail and the lower mounting guide rail is smaller than the minimum distance from the lower end face of the paper blocking seat to the upper end face of the locking block, the locking block can be installed from the upper guide rail groove.
In the printer paper width adjusting mechanism, the lower end face of the locking block is provided with an upward extending abdicating groove, and the elastic piece is positioned in the abdicating groove.
The length of the elastic piece is increased by the abdicating groove, so that the elastic force of the elastic piece is controlled within a reasonable range, the elastic force is not too large, and the feedback effect is good when the locking block is pressed.
In the above printer paper width adjusting mechanism, the lower mounting guide rail is provided with a lower guide rail groove extending along the length direction thereof, and the paper blocking base is provided with a sliding fit part extending into the lower guide rail groove and slidably fitting with the lower guide rail groove. The lower guide rail groove guides and limits the paper blocking seat, and the paper blocking seat can only move along the length direction of the lower installation guide rail.
In the printer paper width adjusting mechanism, the top of the locking block is provided with an anti-skid projection. The top of the locking block is slightly higher than the upper surface of the upper installation guide rail, and when the locking block is pressed and pushed, the anti-skidding protrusions increase the friction between the locking block and the hand.
Compared with the prior art, this printer paper width adjustment mechanism has following advantage:
the locking block is statically matched with the upper installation guide rail through the elasticity of the elastic piece, the locking block does not move relative to the lower surface of the installation guide rail, and the limiting effect on paper is good; when unlocking, only the locking block needs to be pressed downwards, and the locking block is pressed down and simultaneously pushed forwards/backwards along the length direction of the lower installation guide rail, so that the paper blocking seat can be driven to move forwards/backwards, and the operation is convenient; the paper of different width can be pinpointed, and application scope is wide.
Drawings
Fig. 1 is a schematic structural diagram of an adjusting mechanism provided by the present invention.
Fig. 2 is a cross-sectional view of an adjustment mechanism provided by the present invention.
Fig. 3 is an exploded schematic view of a part of the structure of the adjusting mechanism provided by the present invention.
In the figure, 1, a bracket; 2. a guide rail is arranged at the lower part; 3. installing a guide rail; 4. a paper blocking seat; 5. a locking block; 6. a guide post; 7. a guide hole; 8. a pressure spring; 9. an upper guide rail groove; 10. mounting a buckle; 11. a limiting boss; 12. connecting columns; 13. a guide slope; 14. a yielding groove; 15. a lower guide rail groove; 16. a slide-fit portion; 17. and (4) anti-skid bulges.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
The paper width adjusting mechanism of the printer shown in fig. 1 comprises a bracket 1, a lower mounting rail 2 arranged on the bracket 1 and an upper mounting rail 3 arranged above the lower mounting rail 2 in parallel, wherein a paper blocking seat 4 capable of sliding along the length direction of the lower mounting rail 2 is arranged on the lower mounting rail. In order to guide and limit the paper blocking seat 4, as shown in fig. 1, the lower mounting rail 2 is provided with a lower rail groove 15 extending along the length direction thereof, and as shown in fig. 2, the paper blocking seat 4 is provided with a sliding fit portion 16 extending into the lower rail groove 15 and slidably fitting with the lower rail groove 15. The sliding fit part 16 and the lower guide rail groove 15 ensure that the paper blocking seat 4 can only move along the length direction of the lower mounting guide rail 2.
As shown in fig. 2, a locking block 5 capable of moving longitudinally is connected to the paper blocking seat 4, an elastic member is arranged between the locking block 5 and the paper blocking seat 4, and the locking block 5 is in static fit with the lower surface of the upper mounting guide rail 3 under the action of the elastic member. The static fit means that the locking block 5 does not move relative to the lower surface of the mounting guide rail, namely, under the action of the elastic member, a large friction force exists between the locking block 5 and the lower surface of the mounting guide rail, so that the paper blocking seat 4 and the support 1 do not move relative to each other, and the printer paper is limited between the paper blocking seat 4 and the support 1 in the width direction.
When the width of the paper is changed, the position of the paper blocking seat 4 is adjusted to adapt to the width of the paper. When the paper blocking seat is adjusted, the locking block 5 moves downwards, the locking block 5 is separated from the lower surface of the upper mounting guide rail 3, the friction force between the locking block and the upper mounting guide rail disappears, then the paper blocking seat 4 moves along the length direction of the lower mounting guide rail 2, when the paper blocking seat moves to a proper position, the downward force applied to the locking block 5 is cancelled, and the locking block 5 is in static fit with the lower surface of the mounting guide rail again under the action of the elastic piece.
Specifically, for the connection, as shown in fig. 2 and 3, the locking block 5 has a longitudinally extending guide post 6, the paper blocking seat 4 has a guide hole 7 corresponding to the guide post 6, and the guide post 6 extends into the guide hole 7 and is in sliding fit with the guide hole 7. The guide hole 7 and the guide column 6 guide the up-and-down movement of the locking block 5, so that the locking block 5 can only move up and down relative to the paper blocking seat 4. When the locking block 5 is separated from the lower surface of the upper mounting guide rail 3 and the paper blocking seat 4 moves along the length direction of the lower mounting guide rail 2, the guide column 6 can drive the locking block 5 to move along the length direction of the lower mounting guide rail 2.
In some other embodiments, the guide post 6 is disposed on the paper blocking seat 4, and the guide hole 7 is disposed on the locking block 5.
In this embodiment, in order to improve stability, as shown in fig. 3, there are two guide posts 6, and each guide post 6 corresponds to one guide hole 7.
In this embodiment, the elastic member is a compression spring 8, and the compression spring 8 is sleeved on the guide post 6. The compression spring 8 extends along the longitudinal direction, and when the locking block 5 moves downwards, the compression spring 8 is pressed and deformed.
As shown in fig. 1, an upper guide rail groove 9 extending along the length direction of the upper mounting guide rail 3 is formed in the upper mounting guide rail 3, the locking block 5 is located in the upper guide rail groove 9, an installation buckle 10 extending to the lower side of the upper mounting guide rail 3 is arranged on the locking block 5, and the installation buckle 10 is in static fit with the lower surface of the upper mounting guide rail 3 under the action of the pressure spring 8. The upper guide rail groove 9 is a through groove which is formed by penetrating the upper installation guide rail 3 from top to bottom, the locking block 5 is limited in the upper guide rail groove 9 in the width direction of the upper installation guide rail 3, the installation buckles 10 are arranged on two sides of the locking block 5, and the installation buckles 10 on the two sides are respectively in static fit with the lower surface of the upper installation guide rail 3 under the action of the pressure spring 8. Because the latch segment 5 is located in the upper guide rail groove 9, the upper portion of the latch segment 5 is not blocked by the upper installation guide rail 3, and the latch segment 5 is conveniently pressed from top to bottom.
As shown in fig. 2, the lower part of the upper mounting rail 3 is provided with a limit boss 11 corresponding to the mounting buckle 10, and the mounting buckle 10 is in static fit with the limit boss 11 under the action of the pressure spring 8.
In order to increase the friction force between the limiting boss 11 and the mounting buckle 10, the friction increasing treatment needs to be performed on the limiting boss 11. Even can set up first latch on spacing boss 11, set up the second latch on installation buckle 10, first latch and second latch extend along the width direction of last installation guide rail 3, under the effect of pressure spring 8, first latch and second latch meshing.
As shown in fig. 2 and 3, the locking block 5 has a connecting column 12 extending downward, the mounting buckle 10 is provided at the lower end of the connecting column 12, and the lower portion of the mounting buckle 10 is provided with a guide slope 13. The connecting column 12 has a certain elasticity, and the guide slope 13 facilitates the installation of the buckle 10 into the upper guide rail groove 9. When the distance between the upper mounting guide rail 3 and the lower mounting guide rail 2 is smaller than the minimum distance from the lower end surface of the paper stop seat 4 to the upper end surface of the locking block 5, the locking block 5 can be loaded from the upper guide rail groove 9.
As shown in fig. 2, the lower end surface of the locking block 5 is provided with an upwardly extending relief groove 14, and the guide post 6 and the pressure spring 8 are located in the relief groove 14. The length of the pressure spring 8 is increased by the abdicating groove 14, so that the elasticity of the pressure spring 8 is controlled within a reasonable range, the elasticity is not too large, and the feedback effect is good when the locking block 5 is pressed.
The top of the locking block 5 is slightly higher than the upper surface of the upper mounting guide rail 3, the top of the locking block 5 is provided with an anti-slip bulge 17, and when the locking block 5 is pressed and pushed, the anti-slip bulge 17 increases the friction between the locking block 5 and a hand.
In order to realize automatic adjustment according to the width of paper, a sensor can be arranged on the paper blocking seat 4, and the automatic adjustment of the locking block can be realized by sensing the width and the position of the paper and matching with a driving component. Or the width and the position of the paper are sensed through the sensor assembly, a signal is output to the alarm system, and an alarm is given out after the paper is adjusted in place.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a printer paper width adjustment mechanism, its characterized in that includes support (1), locates lower installation guide rail (2) on support (1) and parallel locate last installation guide rail (3) of lower installation guide rail (2) top, be equipped with on lower installation guide rail (2) and follow its length direction gliding fender paper seat (4), but be connected with longitudinal movement's latch segment (5) on fender paper seat (4), be equipped with the elastic component between latch segment (5) and fender paper seat (4) the lower surface static fit of latch segment (5) and last installation guide rail (3) under the effect of elastic component.
2. The printer paper width adjusting mechanism according to claim 1, wherein the locking block (5)/the paper blocking seat (4) is provided with a guide post (6) extending longitudinally, the paper blocking seat (4)/the locking block (5) is provided with a guide hole (7) corresponding to the guide post (6), and the guide post (6) extends into the guide hole (7) and is in sliding fit with the guide hole (7).
3. The printer paper width adjustment mechanism according to claim 2, characterized in that the elastic member is a pressure spring (8).
4. The printer paper width adjustment mechanism of claim 3, characterized in that the pressure spring (8) is fitted over the guide post (6).
5. The printer paper width adjusting mechanism according to claim 1, 2, 3 or 4, wherein the upper mounting guide rail (3) is provided with an upper guide rail groove (9) extending along the length direction of the upper mounting guide rail, the locking block (5) is positioned in the upper guide rail groove (9), the locking block (5) is provided with a mounting buckle (10) extending to the lower part of the upper mounting guide rail (3), and the mounting buckle (10) is in static fit with the lower surface of the upper mounting guide rail (3) under the action of the elastic member.
6. The printer paper width adjusting mechanism according to claim 5, characterized in that the lower part of the upper mounting guide rail (3) is provided with a limit boss (11) corresponding to the mounting buckle (10), and the mounting buckle (10) is in interference fit with the limit boss (11) under the action of the elastic member.
7. The printer paper width adjusting mechanism according to claim 5, wherein the locking block (5) has a connecting column (12) extending downward, the mounting buckle (10) is provided at the lower end of the connecting column (12), and the lower part of the mounting buckle (10) is provided with a guide inclined surface (13).
8. The printer paper width adjusting mechanism according to claim 1, wherein the lower end face of the locking block (5) is provided with an upwardly extending relief groove (14), and the elastic member is located in the relief groove (14).
9. The printer paper width adjusting mechanism according to claim 1, wherein the lower mounting rail (2) is provided with a lower rail groove (15) extending along a length direction thereof, and the paper holder (4) is provided with a sliding engagement portion (16) extending into the lower rail groove (15) and slidably engaging with the lower rail groove (15).
10. The printer paper width adjusting mechanism according to claim 1, characterized in that the top of the locking block (5) is provided with a non-slip protrusion (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221013032.1U CN217532318U (en) | 2022-04-28 | 2022-04-28 | Printer paper width adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221013032.1U CN217532318U (en) | 2022-04-28 | 2022-04-28 | Printer paper width adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217532318U true CN217532318U (en) | 2022-10-04 |
Family
ID=83432801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221013032.1U Active CN217532318U (en) | 2022-04-28 | 2022-04-28 | Printer paper width adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217532318U (en) |
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2022
- 2022-04-28 CN CN202221013032.1U patent/CN217532318U/en active Active
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