Printer rubber roller limiting plate assembly

Abstract

The utility model provides a printer rubber covered roller limiting plate assembly, which comprises a metal fixing plate, a rubber covered roller clamping plate, a pin, a supporting frame, a spring, a plastic sleeve column and a rubber covered roller, and is characterized in that the metal fixing plate comprises a left side plate, a right side plate and bulge sliding-in channels which are respectively connected to the left side plate and the right side plate; the pins are connected to the left side plate and the right side plate correspondingly, are opposite in position and extend inwards. The rubber roller clamping plate comprises a first side face, a second side face, a third side face, protrusions connected to the outer sides of the first side face and the third side face and extending towards the two sides, pin fixing openings connected to the front ends of the first side face and the third side face, and rubber roller fixing openings connected to the middles of the first side face and the third side face. According to the rubber roller clamping plate, the protrusions, the pins, the supporting frames, the springs and the plastic sleeve columns are arranged, so that the rubber roller clamping plate can be fixed without deformation when being installed, and the reliability of the rubber roller clamping plate is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing technical field, concretely relates to a printer rubber roller limit plate subassembly. BACKGROUND

[0002] The existing handheld thermal printer has the advantages of small size and light weight compared with the traditional thermal printer, and is therefore widely used in the catering industry, express logistics industry, traffic management law enforcement department and other industries or fields.

[0003] However, the current metal rubber roller clamping plate and metal fixed plate are fixed by deforming the metal rubber roller clamping plate, which will cause printing problems and reduce reliability when the deformation is too large to rebound.

[0004] Therefore, a printer rubber roller clamping plate with high reliability is needed. SUMMARY

[0005] The utility model discloses a printer rubber roller limit plate subassembly to solve the problem of printer rubber roller clamping plate installation reliability, through setting up the protruding, the cotter pin, the support frame, the spring and the plastic sleeve column, the rubber roller clamping plate is fixed without deformation when being installed, and the reliability of the rubber roller clamping plate is improved.

[0006] The utility model provides a printer rubber roller limit plate subassembly, which comprises a metal fixed plate, a rubber roller clamping plate and a cotter pin.

[0007] The metal fixed plate comprises oppositely arranged left and right side plates, protruding sliding channels connected to the left and right side plates respectively, and a cotter pin connected to the left and right side plates and extending inwardly.

[0008] The rubber roller clamping plate has a symmetrical structure and comprises a first side, a second side and a third side connected in sequence, protrusions extending to both sides from the outer sides of the first and third sides, a cotter pin fixing hole connected to the front ends of the first and third sides, and a rubber roller fixing hole connected to the middle parts of the first and third sides.

[0009] As a preferred mode, the cotter pin fixing hole is a horizontally arranged U-shaped opening.

[0010] As a preferred mode, the cotter pin is a capped cotter pin, and the front end opening height of the cotter pin fixing hole is greater than the diameter of the cotter pin and less than the diameter of the cap.

[0011] The utility model relates to a printer rubber roller limiting plate subassembly, as preferred mode, the rubber roller fixed mouth is the through -hole of upper end opening, and the edge of rubber roller fixed mouth includes the vertical edge of downward extension at rear end, the first circular arc edge of downward extension with vertical edge connection forward, the second circular arc edge of upward extension with first circular arc edge connection forward and the second circular arc edge of backward extension with second circular arc edge end upward.

[0012] The utility model relates to a printer rubber roller limiting plate subassembly, as preferred mode, the metal fixed plate still includes the second rubber roller fixed mouth of connecting on left side board and right side board, and the second rubber roller fixed mouth is the U-shaped mouth of upper end opening;

[0013] The convex slip includes the first channel of upper opening of downward extension and the second channel of forward extension.

[0014] The utility model relates to a printer rubber roller limiting plate subassembly, as preferred mode, the height of convex is greater than the sum of metal fixed plate and rubber roller clamping plate thickness.

[0015] The utility model relates to a printer rubber roller limiting plate subassembly, as preferred mode, still include the support frame of connecting between left side board, right side board, the spring of one end fixed in support frame and extending to second side, and the plastic sleeve column of being connected respectively on left side board, right side board and extending to inboard;

[0016] The plastic sleeve column is located second side rear end.

[0017] The utility model relates to a printer rubber roller limiting plate subassembly, as preferred mode, plastic sleeve column is detachable connection through screw with left side board, right side board.

[0018] The utility model relates to a printer rubber roller limiting plate subassembly, as preferred mode, the rubber roller clamping plate still includes the arc surface of connecting on second side and extending forward, and the arc surface is used for preventing spring from popping out.

[0019] The utility model relates to a printer rubber roller limiting plate subassembly, as preferred mode, the number of spring is 2, and symmetrically sets up;

[0020] The rubber roller clamping plate is used for fixing rubber roller.

[0021] The utility model has the following advantages:

[0022] The utility model passes through setting up convex, pin, support frame, spring and plastic sleeve column, makes rubber roller clamping plate when loading not to produce deformation can be fixed, has improved the reliability of rubber roller clamping plate. ACCURACY OF DRAWINGS

[0023] Figure 1 It is rubber roller clamping plate structure schematic view of a printer rubber roller limiting plate subassembly.

[0024] Figure 2 It is a kind of printer rubber roller limiting plate assembly rubber roller card and metal fixed plate, plastic sleeve column assembly state schematic diagram;

[0025] Figure 3 It is a kind of printer rubber roller limiting plate assembly rubber roller card and metal fixed plate, plastic sleeve column assembly state schematic diagram;

[0026] Figure 4 It is a kind of printer rubber roller limiting plate assembly rubber roller card and metal fixed plate, plastic sleeve column assembly state schematic diagram;

[0027] Figure 5 It is a kind of printer rubber roller limiting plate assembly rubber roller card and metal fixed plate, plastic sleeve column assembly state schematic diagram;

[0028] Figure 6 It is a kind of printer rubber roller limiting plate assembly rubber roller card and metal fixed plate, plastic sleeve column assembly state schematic diagram;

[0029] Reference signs:

[0030] 1, metal fixed plate;11, left side plate;12, right side plate;13, convex sliding channel;14, second rubber roller fixing port;2, rubber roller card;21, first side;22, second side;23, third side;24, convex;25, pin fixing port;26, rubber roller fixing port;27, arc surface;3, pin;4, support frame;5, spring;6, plastic sleeve column;7, rubber roller. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments.

[0032] Embodiment 1

[0033] As Figures 1-6 shown, a kind of printer rubber roller limiting plate assembly, including metal fixed plate 1, rubber roller card 2, pin 3, support frame 4, spring 5, plastic sleeve column 6 and rubber roller 7;

[0034] Metal fixed plate 1 includes oppositely arranged left side plate 11, right side plate 12, respectively connect on left side plate 11, right side plate 12 on convex sliding channel 13 and connect on left side plate 11 and right side plate 12 on second rubber roller fixing port 14;Convex sliding channel 13 includes the first channel of upper opening extending downward and the second channel extending forward, and second rubber roller fixing port 14 is the U-shaped port of upper end opening;

[0035] The rubber roller clamping plate 2 is used for fixing the rubber roller 7, and is a symmetrical structure comprising a first side face 21, a second side face 22 and a third side face 23 connected in sequence, a protrusion 24 extending to both sides outside the first side face 21 and the third side face 23, a pin fixing port 25 connected to front ends of the first side face 21 and the third side face 23, a rubber roller fixing port 26 connected to middle portions of the first side face 21 and the third side face 23, and an arc face 27 extending forward on the second side face 22.

[0036] The first side face 21 and the third side face 23 both extend to front ends, the pin fixing port 25 is a through hole with an open front end, the rubber roller fixing port 26 is located between the protrusion 24 and the pin fixing port 25, and the arc face 27 is used for preventing the spring 5 from being ejected.

[0037] The height of the protrusion 24 is greater than the sum of the thicknesses of the metal fixing plate 1 and the rubber roller clamping plate 2.

[0038] The pin fixing port 25 is a horizontally arranged U-shaped opening.

[0039] The rubber roller fixing port 26 is a through hole with an open upper end, and the edge of the rubber roller fixing port 26 comprises a vertical edge extending downward at a rear end, a first circular arc edge connected to the vertical edge and extending forward and downward, a second circular arc edge connected to the first circular arc edge and extending forward and upward, and a second circular arc edge connected to a terminal end of the second circular arc edge and extending upward and rearward.

[0040] The pins 3 are connected to the left side plate 11 and the right side plate 12 respectively, are opposite to each other and extend inward; the pins 3 are capped pins, and the front end opening height of the pin fixing port 25 is greater than the pin diameter and less than the cap diameter.

[0041] The support frame 4 is connected between the left side plate 11 and the right side plate 12, the spring 5 is fixed to the support frame 4 and extends to the second side face 22, the plastic sleeve column 6 is connected to the left side plate 11 and the right side plate 12 respectively and extends inward, the plastic sleeve column 6 is located at a rear end of the second side face 22, and the plastic sleeve column 6 is detachably connected to the left side plate 11 and the right side plate 12 through screws.

[0042] The number of the springs 5 is two, and the springs 5 are arranged symmetrically.

[0043] In the utility model, the length of the rubber roller clamping plate 2 is 100 mm, the width is 30 mm, the bending angle is 90 DEG, the material is stainless steel with a thickness of 1.2 mm, the height of the protrusion 24 is 1.2 mm, the left-right cooperation gap between the rubber roller clamping plate 2 and the pins 3 is 0.1 mm, and the left-right cooperation gap between the rubber roller clamping plate 2 and the metal fixing plate 1 is 0.2 mm.

[0044] In the prior art structure, two protrusions are arranged on the rubber roller clamping plate 2, and two holes are arranged on the metal fixing plate 1; the rubber roller clamping plate 2 needs to be deformed to a certain extent to be clamped into the metal fixing plate 1, and the deformation caused by the above may cause the rubber roller clamping plate 2 to be unable to rebound; thus, various problems may occur in printing.

[0045] In the embodiment, the support frame 4 and the spring 5 are pre-assembled, as shown in the figure, the rubber roller clamping plate 2 is slid into the metal fixing plate 1 at the protrusion of the metal fixing plate 1 and is drawn into the metal fixing plate 1 at the channel 13, after being slid in, the rubber roller clamping plate 2 is pushed forward and is clamped into the pin 3; the protrusion sliding into the channel 13 and the pin 3 are both symmetrically arranged; the plastic sleeve column 6 is fixed by a screw; the plastic sleeve column 6 is symmetrically arranged; the spring 5 is deformed freely to push the rubber roller clamping plate 2 against the plastic sleeve column 6; thus, the rubber roller clamping plate 2 is prevented from falling out; in this process, the rubber roller clamping plate 2 is not deformed at all. Figure 3

[0046] In order to prevent deformation, the pin 3 can be provided with a cap to prevent the rubber roller clamping plate 2 from being deformed inwardly; the diameter of the cap of the pin 3 is greater than the corresponding slot width of the rubber roller clamping plate 2.

[0047] The closed state is shown in the figure, the upper cover is hidden: the rubber roller 7 is clamped into the area enclosed by the rubber roller clamping plate 2 and the metal fixing plate 1. Figure 5

[0048] The rubber roller is taken out by moving the rubber roller clamping plate 2 forward, and then the rubber roller 7 can be taken out.

[0049] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.​​

Claims

1. A printer roller limiting plate assembly, characterized in that: Metal fixing plate (1), rubber roller clamping plate (2) and pin (3) are included. The metal fixing plate (1) includes oppositely arranged left side plate (11) and right side plate (12), and the protruding sliding channel (13) is connected to the left side plate (11) and the right side plate (12) respectively, and the pin (3) is connected to the left side plate (11) and the right side plate (12) respectively, and the positions are opposite and both extend inward. The rubber roller clamping plate (2) is a symmetrical structure, including first side (21), second side (22) and third side (23) connected in sequence, protrusion (24) extending to both sides outside the first side (21) and the third side (23), pin fixing port (25) connected to the front end of the first side (21) and the third side (23), and rubber roller fixing port (26) connected to the middle part of the first side (21) and the third side (23); the first side (21) and the third side (23) both extend to the front end, the pin fixing port (25) is a through hole with a front opening, and the rubber roller fixing port (26) is located between the protrusion (24) and the pin fixing port (25).

2. The printer blanket chase assembly of claim 1, wherein: The pin fixing port (25) is a horizontally arranged U-shaped opening.

3. The printer blanket chase assembly of claim 1, wherein: The pin (3) is a capped pin, and the front opening height of the pin fixing port (25) is greater than the pin diameter and less than the cap diameter.

4. The printer blanket chase assembly of claim 1 wherein: The rubber roller fixing port (26) is a through hole with an upper end opening, and the edge of the rubber roller fixing port (26) includes a vertical edge extending downward at the rear end, a first circular arc edge connected to the vertical edge and extending forward and downward, a second circular arc edge connected to the first circular arc edge and extending forward and upward, and a second circular arc edge connected to the end of the second circular arc edge and extending upward and backward.

5. The printer blanket chase assembly of claim 4, wherein: The metal fixing plate (1) further includes a second rubber roller fixing port (14) connected to the left side plate (11) and the right side plate (12), and the second rubber roller fixing port (14) is a U-shaped port with an upper end opening. The protruding sliding channel (13) includes a first channel with an upper opening extending downward and a second channel extending forward.

6. The printer blanket chase assembly of claim 1, wherein: The height of the protrusion (24) is greater than the sum of the thicknesses of the metal fixing plate (1) and the rubber roller clamping plate (2).

7. The printer blanket chase assembly of claim 1, wherein: It also includes a support frame (4) connected between the left side plate (11) and the right side plate (12), a spring (5) fixed at one end of the support frame (4) and extending toward the second side (22), and a plastic sleeve column (6) connected to the left side plate (11) and the right side plate (12) respectively and extending inward. The plastic sleeve column (6) is located at the rear end of the second side (22).

8. The printer blanket chase assembly of claim 7, wherein: The plastic sleeve column (6) is detachably connected to the left side plate (11) and the right side plate (12) by screws.

9. The printer blanket chase assembly of claim 7, wherein: The rubber roller clamping plate (2) further includes an arc surface (27) connected to the second side (22) and extending forward, and the arc surface (27) is used to prevent the spring (5) from being ejected.

10. The printer blanket chase assembly of claim 7, wherein: The number of springs (5) is 2, and they are symmetrically arranged. The rubber roller clamping plate (2) is used to fix the rubber roller (7).

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