CN218948750U

CN218948750U - Bar code printer with adjustable printing head pressure

Info

Publication number: CN218948750U
Application number: CN202320175560.5U
Authority: CN
Inventors: 邹保国
Original assignee: Shanghai Mengchuang Computer Technology Co ltd
Current assignee: Shanghai Mengchuang Computer Technology Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-05-02
Anticipated expiration: 2033-02-06

Abstract

The utility model relates to the field of printers, in particular to a bar code printer with an adjustable printing head pressure, which comprises a printer shell, a box body a, a sliding plate and a lifting assembly, wherein the box body a is arranged on the box body a; the two groups of box bodies a are respectively arranged on the left and right inner walls of the printer shell; two ends of the sliding plate are respectively inserted into the two groups of box bodies a, and the printing heads are arranged on the sliding plate in a sliding manner; the spring is vertically arranged on the sliding plate, and the top of the spring is connected with the inner wall of the top of the box body a; the support rod horizontally and transversely penetrates through the sliding plate; the arc-shaped plates are provided with two groups which are symmetrical with respect to the supporting rods; the sphere is arranged on the support rod, and the sphere surface of the sphere is attached to the arc surfaces of the two groups of arc plates; the cam is arranged on the supporting rod and is contacted with the inner wall of the bottom of the box body b; the lifting assembly is provided with two groups. The utility model can synchronously and stably lift the two ends of the sliding plate, thereby adjusting the height of the printing head and completing the pressure adjustment of the printing head.

Description

Bar code printer with adjustable printing head pressure

Technical Field

The utility model relates to the field of printers, in particular to a bar code printer with an adjustable printing head pressure.

Background

The printer generally comprises a printing head, an ink-jet device and the like, however, the existing bar code printer needs to manually adjust a plurality of knobs when adjusting pressure, has complex operation, and is difficult to synchronously adjust the same functional knob, so that the pressure adjustment suffered by the printing head is easy to be uneven.

The Chinese patent with the publication number of CN214646894U discloses a printer with adjustable pressure of a printing head, and by the aid of the adjusting knob, the adjusting knob is rotated, so that the adjusting rod drives the eccentric disc to rotate, the effect of enabling the sliding plate to move up and down is achieved, the effect of adjusting the pressure generated at the printing head at the sliding plate is achieved, the problem that the pressure of the printing head cannot be adjusted as required, and the printing head is easy to damage is solved.

However, the above disclosed solution has the following disadvantages: when the printing device is used, two groups of adjusting knobs are required to be simultaneously rotated, the rotation angles of the two groups of adjusting knobs are required to be identical, otherwise, the sliding plate is in a suspended state with one stressed end, and the sliding plate is easy to slightly incline left and right, so that the printing effect is affected.

Disclosure of Invention

The utility model aims to solve the problem that the pressure adjustment of a printing head of a printer is inconvenient in the background technology, and provides a bar code printer with an adjustable printing head pressure.

The technical scheme of the utility model is as follows: a bar code printer with adjustable printing head pressure comprises a printer shell, a box body a, a sliding plate and a lifting assembly. The lifting component comprises a spring, a supporting rod, an arc-shaped plate, a sphere, a box body b and a cam.

The box body a is provided with two groups, and the two groups of box bodies a are respectively arranged on the left and right inner walls of the printer shell. The two ends of the sliding plate respectively pass through the vertically arranged strip-shaped grooves a on the two groups of box bodies a in a matching way and are inserted into the box bodies a, and the printing head is arranged on the sliding plate in a sliding way.

The spring is vertically arranged on the sliding plate, the top of the spring is connected with the inner wall of the top of the box body a, and the spring is in a compressed state. The support rod horizontally transversely penetrates through the sliding plate, the support rod is rotationally connected with the sliding plate, and the end part of the support rod is attached to the inner wall of the box body a. The arc is vertical to be set up in box body a bottom inboard, and the arc sets up two sets of about bracing piece symmetry. The spheroid sets up on the bracing piece, and the spheroid sphere is laminated with the arcwall face of two sets of curved plates. The box body b is vertically arranged on the inner wall of the bottom of the box body a, and a through hole for the supporting rod to pass through is formed in the box body b. The cam is arranged on the supporting rod and is contacted with the inner wall of the bottom of the box body b. The lifting components are arranged in two groups, the two groups of lifting components are respectively positioned in the two groups of box bodies a, the supporting rod in one group of lifting components penetrates through the vertically arranged strip-shaped groove b on the printer shell to extend into the outside of the printer shell, and the outer wall of the printer shell is provided with a rotating component for driving the supporting rod to rotate.

Preferably, the rotating assembly comprises a worm wheel, a lifting bracket, a worm and a knob. The worm wheel is arranged on the supporting rod and is positioned outside the printer shell. The lifting support is arranged on the outer wall of the printer shell in a sliding manner along the vertical direction, and the end part of the supporting rod is rotationally connected with the lifting support. The worm is horizontally and rotatably arranged on the lifting bracket, and is meshed with the worm wheel. The knob is arranged at the end part of the worm.

Preferably, the arc inner wall is gone up and is slided along vertical direction and set up the montant, and the montant bottom is located spheroid top and laminating with spheroid outer wall, and the montant top passes printer housing top, sets up the scale mark along vertical direction on the montant.

Preferably, the graduation mark graduation value on the vertical rod is one millimeter.

Preferably, both end surfaces of the cam are respectively attached to the inner wall surfaces of the two opposite sides of the box b.

Preferably, the vertical section of the sliding plate is square, and the front side and the rear side of the sliding plate are respectively attached to the vertical groove walls on the two sides of the strip-shaped groove a.

Compared with the prior art, the utility model has the following beneficial technical effects: the supporting rod is rotated through the rotating assembly, the supporting rod drives the cam to rotate, the cam props against the inner wall of the bottom of the box body b, the rotation of the cam drives the supporting rod and the sliding plate to ascend, and the two ends of the sliding plate can be synchronously and stably lifted due to synchronous rotation of the two groups of cams, so that the height of the printing head is adjusted, and the pressure adjustment of the printing head is completed.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view at a in fig. 2.

Reference numerals: 1. a printer housing; 2. a box body a; 3. a strip-shaped groove a; 4. a slide plate; 5. a print head; 6. a spring; 7. a support rod; 8. an arc-shaped plate; 9. a sphere; 10. a box b; 11. a cam; 12. a vertical rod; 13. a bar-shaped groove b; 14. a worm wheel; 15. a lifting bracket; 16. a worm; 17. and (5) a knob.

Detailed Description

Example 1

The utility model provides a bar code printer with an adjustable printing head pressure, which comprises a printer shell 1, a box body a2, a sliding plate 4 and a lifting assembly. The lifting assembly comprises a spring 6, a supporting rod 7, an arc-shaped plate 8, a sphere 9, a box b10 and a cam 11.

As shown in fig. 1, two sets of cartridges a2 are provided, and the two sets of cartridges a2 are provided on the left and right inner walls of the printer housing 1, respectively. The two ends of the sliding plate 4 respectively pass through the vertically arranged strip-shaped grooves a3 on the two groups of box bodies a2 in a matched manner and are inserted into the box bodies a2, the vertical cross section of the sliding plate 4 is square, the front side and the rear side of the sliding plate 4 are respectively attached to the vertical groove walls on the two sides of the strip-shaped grooves a3, and the printing head 5 is arranged on the sliding plate 4 in a sliding manner.

As shown in fig. 2-3, the spring 6 is vertically arranged on the sliding plate 4, the top of the spring 6 is connected with the inner wall of the top of the box body a2, and the spring 6 is in a compressed state. The supporting rod 7 horizontally and transversely penetrates through the sliding plate 4, the supporting rod 7 is rotationally connected with the sliding plate 4, and the end part of the supporting rod 7 is attached to the inner wall of the box body a 2. The arc-shaped plate 8 is vertically arranged on the inner side of the bottom of the box body a2, and the arc-shaped plate 8 is provided with two groups symmetrical with respect to the supporting rod 7. The sphere 9 is arranged on the supporting rod 7, and the sphere of the sphere 9 is attached to the arc surfaces of the two groups of arc plates 8. The box body b10 is vertically arranged on the inner wall of the bottom of the box body a2, and a through hole for the supporting rod 7 to pass through is arranged on the box body b 10. The cam 11 is arranged on the supporting rod 7, the cam 11 is contacted with the inner wall at the bottom of the box body b10, and two end surfaces of the cam 11 are respectively attached to two opposite inner wall surfaces of the box body b 10. The lifting components are arranged in two groups, the two groups of lifting components are respectively positioned in the two groups of box bodies a2, the supporting rod 7 in one group of lifting components penetrates through the vertically arranged strip-shaped groove b13 on the printer housing 1 to extend into the outside of the printer housing 1, and the outer wall of the printer housing 1 is provided with a rotating component for driving the supporting rod 7 to rotate.

In this embodiment, through rotating the support rod 7 with the rotating assembly, the support rod 7 drives the cam 11 to rotate, the cam 11 props against the inner wall of the bottom of the box b10, the rotation of the cam 11 drives the support rod 7 and the sliding plate 4 to ascend, and the two ends of the sliding plate 4 can synchronously and stably lift due to the synchronous rotation of the two groups of cams 11, so that the height of the printing head 5 is adjusted, and the pressure adjustment of the printing head is completed.

Example two

As shown in fig. 1, in the barcode printer with adjustable pressure of the printing head according to the present utility model, compared with the first embodiment, the rotating assembly includes a worm wheel 14, a lifting bracket 15, a worm 16 and a knob 17. A worm wheel 14 is provided on the support lever 7, the worm wheel 14 being located outside the printer housing 1. The lifting support 15 is arranged on the outer wall of the printer housing 1 in a sliding manner along the vertical direction, and the end part of the supporting rod 7 is rotationally connected with the lifting support 15. The worm 16 is horizontally and rotatably provided on the elevating bracket 15, and the worm 16 is engaged with the worm wheel 14. A knob 17 is provided at the end of the worm 16. The worm wheel 14 is driven to rotate by rotating the knob 17, the worm wheel 14 drives the supporting rod 7 to rotate, the height of the printing head 5 can be adjusted, and the supporting rod 7 cannot rotate freely due to the self-locking property of threads between the worm wheel 14 and the worm 16, so that the stability of the sliding plate 4 is ensured.

Example III

As shown in fig. 1 and fig. 3, in the barcode printer with adjustable pressure of the print head according to the present utility model, compared with the first embodiment, the inner wall of the arc plate 8 is provided with the vertical rod 12 in a sliding manner along the vertical direction, the bottom of the vertical rod 12 is located above the sphere 9 and is attached to the outer wall of the sphere 9, the top of the vertical rod 12 passes through the top of the printer housing 1, the vertical rod 12 is provided with the scale marks along the vertical direction, and the scale mark division value on the vertical rod 12 is one millimeter. The lifting distance can be accurately observed through the scale marks on the vertical rods 12 in the lifting process of the sliding plate 4, and the adjustment is convenient.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. A bar code printer with adjustable printing head pressure comprises a printer shell (1), a box body a (2) and a sliding plate (4); the device is characterized by further comprising a lifting assembly; the lifting assembly comprises a spring (6), a supporting rod (7), an arc-shaped plate (8), a sphere (9), a box body b (10) and a cam (11);

the two groups of box bodies a (2) are arranged, and the two groups of box bodies a (2) are respectively arranged on the left inner wall and the right inner wall of the printer shell (1); two ends of the sliding plate (4) respectively pass through the vertically arranged strip-shaped grooves a (3) on the two groups of box bodies a (2) in a matching way and are inserted into the box bodies a (2), and the printing head (5) is arranged on the sliding plate (4) in a sliding way;

the spring (6) is vertically arranged on the sliding plate (4), the top of the spring (6) is connected with the inner wall of the top of the box body a (2), and the spring (6) is in a compressed state; the support rod (7) horizontally and transversely penetrates through the sliding plate (4), the support rod (7) is rotationally connected with the sliding plate (4), and the end part of the support rod (7) is attached to the inner wall of the box body a (2); the arc-shaped plates (8) are vertically arranged on the inner side of the bottom of the box body a (2), and the arc-shaped plates (8) are provided with two groups which are symmetrical relative to the support rods (7); the sphere (9) is arranged on the supporting rod (7), and the sphere of the sphere (9) is attached to the arc surfaces of the two groups of arc plates (8); the box body b (10) is vertically arranged on the inner wall of the bottom of the box body a (2), and a through hole for the supporting rod (7) to pass through is formed in the box body b (10); the cam (11) is arranged on the supporting rod (7), and the cam (11) is contacted with the inner wall of the bottom of the box body b (10); the lifting components are arranged in two groups, the two groups of lifting components are respectively positioned in the two groups of box bodies a (2), a supporting rod (7) in one group of lifting components penetrates through a strip-shaped groove b (13) vertically arranged on the printer housing (1) to extend into the outside of the printer housing (1), and a rotating component for driving the supporting rod (7) to rotate is arranged on the outer wall of the printer housing (1).

2. The bar code printer of claim 1, wherein the rotating assembly comprises a worm gear (14), a lifting bracket (15), a worm (16) and a knob (17); the worm wheel (14) is arranged on the supporting rod (7), and the worm wheel (14) is positioned outside the printer shell (1); the lifting support (15) is arranged on the outer wall of the printer shell (1) in a sliding manner along the vertical direction, and the end part of the supporting rod (7) is rotationally connected with the lifting support (15); the worm (16) is horizontally and rotatably arranged on the lifting bracket (15), and the worm (16) is meshed with the worm wheel (14); the knob (17) is arranged at the end part of the worm (16).

3. The bar code printer with adjustable printing head pressure according to claim 1, wherein a vertical rod (12) is arranged on the inner wall of the arc plate (8) in a sliding manner along the vertical direction, the bottom of the vertical rod (12) is located above the sphere (9) and is attached to the outer wall of the sphere (9), the top of the vertical rod (12) penetrates through the top of the printer shell (1), and scale marks are arranged on the vertical rod (12) along the vertical direction.

4. A bar code printer with adjustable printhead pressure according to claim 3, wherein the graduation marks on the vertical bar (12) are one millimeter in graduation.

5. The bar code printer of claim 1, wherein both end surfaces of the cam (11) are respectively attached to both opposite inner wall surfaces of the case b (10).

6. The bar code printer with adjustable printing head pressure according to claim 1, wherein the vertical cross section of the sliding plate (4) is square, and the front side and the rear side of the sliding plate (4) are respectively attached to the vertical groove walls at the two sides of the bar groove a (3).