CN218228419U - Ribbon rack convenient for ribbon installation - Google Patents

Abstract

The utility model relates to a the utility model discloses a typewriter ribbon frame convenient to typewriter ribbon installation, include: the casing, driven gear, sliding block and driving gear, be equipped with the apron that can open on the casing, form the installation cavity that is used for installing the typewriter ribbon between apron and the casing, casing both sides outer wall is equipped with the support respectively, be equipped with the notch on the casing lateral wall, notch and installation cavity UNICOM, driven gear rotates and connects in shells inner wall, the sliding block both ends are equipped with the slider, shells inner wall is equipped with the lug that the symmetry set up, be equipped with the spout with slider looks adaptation on the lug lateral wall, the slider is located the spout, and can constitute the cooperation of sliding between the two, be equipped with the connecting rod on the sliding block, the driving gear suit is in the connecting rod periphery, the driving gear top extends to the installation cavity outside as the rotating part, be equipped with the through-hole on the apron, through-hole and rotating part looks adaptation. The utility model has the advantages of it is following and effect: the gap between the driving gear and the driven gear can be adjusted, so that the installation of the ribbon is more convenient.

Description

Ribbon rack convenient for ribbon installation

Technical Field

The utility model relates to a typewriter ribbon frame technical field, concretely relates to typewriter ribbon frame convenient to typewriter ribbon installation.

Background

The ribbon rack is also called a ribbon box, and is a device special for loading the ribbon for the stylus printer.

When the existing ribbon rack is used for installing the ribbon, the ribbon needs to be firstly penetrated between the driving gear and the driven gear, and then the ribbon penetrates into the external rack through the guide groove to form a loop. However, when the ribbon is threaded between the driving gear and the driven gear, the gap between the driving gear and the driven gear is small, so that the ribbon is inconvenient when the ribbon is threaded between the driving gear and the driven gear, and the ribbon rack in the prior art is inconvenient when the ribbon is installed.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a typewriter ribbon frame convenient to typewriter ribbon installation can adjust the clearance between driving gear and the driven gear to make the installation of typewriter ribbon more convenient.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a ribbon rack convenient to ribbon installation which characterized in that includes:

the ink ribbon dispenser comprises a shell, wherein an openable cover plate is arranged on the shell, an installation cavity for installing an ink ribbon is formed between the cover plate and the shell, brackets are respectively arranged on the outer walls of two sides of the shell, a notch is formed in the side wall of the shell, and the notch is communicated with the installation cavity;

the driven gear is rotationally connected to the inner wall of the shell;

the sliding block is arranged at two ends of the sliding block, the inner wall of the shell is provided with symmetrically arranged convex blocks, the side wall of each convex block is provided with a sliding groove matched with the sliding block, the sliding block is positioned in the sliding groove and can form sliding fit between the sliding block and the sliding groove, and the sliding block is provided with a connecting rod;

the driving gear is sleeved on the periphery of the connecting rod, the top of the driving gear extends out of the installation cavity to serve as a rotating part, and the cover plate is provided with a through hole which is matched with the rotating part;

the sliding block can enable the driving gear to be far away from or close to the driven gear through sliding.

The utility model discloses further set up to: the shell is provided with slots distributed according to an arc line, elastic metal sheets are arranged in the slots, when the elastic metal sheets are inserted into the slots, the elastic metal sheets are bent to form bent portions, and the bent portions are abutted to the periphery of the driving gear to enable the driving gear to be tightly meshed with the driven gear.

The utility model discloses further set up to: the support is provided with a top guide roller and a bottom guide roller, and the top guide roller and the bottom guide roller are respectively abutted to the upper side and the lower side of the color band so as to guide the color band.

The utility model discloses further set up to: the support bottom is equipped with upset portion, upset portion one end is rotated and is connected in the support bottom, and the other end is equipped with the joint piece, the support bottom is equipped with the joint groove that corresponds with the joint piece, the joint piece can block into the joint groove to constitute the joint cooperation between the two, upset portion top symmetry is equipped with connecting portion, bottom guide roll both ends are rotated respectively and are connected in connecting portion.

The utility model discloses further set up to: the casing top periphery is equipped with first screw hole, first screw hole is a plurality of and along casing periphery interval distribution, be equipped with the second screw hole that corresponds with first screw hole on the apron, lock through the retaining member between first screw hole and the second screw hole.

Compared with the prior art, the beneficial effects of the utility model reside in that:

when the typewriter ribbon is installed, extract elastic metal piece from the slot earlier, slide the sliding block along the direction of keeping away from driven gear afterwards for clearance increase between driving gear and the sliding gear, thereby the typewriter ribbon of being convenient for penetrates between driving gear and the sliding gear, and then makes the installation of typewriter ribbon more convenient.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention without the elastic metal plate and the driving gear;

FIG. 3 is a schematic side view of the open bottom of the stand according to the present invention;

fig. 4 is a schematic view of a specific structure of the middle cover plate of the present invention;

fig. 5 is a schematic view of the specific installation structure of the middle sliding block in the installation cavity of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 5, the utility model discloses a typewriter ribbon frame convenient to typewriter ribbon installation, include: the ribbon printing device comprises a shell 1, a driven gear 4, a sliding block 5 and a driving gear 8, wherein an openable cover plate 2 is arranged on the shell 1, an installation cavity for installing a ribbon is formed between the cover plate 2 and the shell 1, brackets 3 are respectively arranged on the outer walls of two sides of the shell 1, notches 101 are arranged on the side wall of the shell 1, the notches 101 are communicated with the installation cavity, the driven gear 4 is rotatably connected with the inner wall of the shell 1, sliding blocks 51 are arranged at two ends of the sliding block 5, symmetrically arranged lugs 6 are arranged on the inner wall of the shell 1, sliding grooves 61 matched with the sliding blocks 51 are arranged on the side wall of the lugs 6, the sliding blocks 51 are positioned in the sliding grooves 61 and can form sliding fit between the sliding blocks and the sliding blocks, a connecting rod 7 is arranged on the sliding block 5, the driving gear 8 is sleeved on the periphery of the connecting rod 7, the top of the driving gear 8 extends out of the installation cavity to be used as a rotating part 81, a through hole 21 is arranged on the cover plate 2, through-hole 21 and rotating part 81 looks adaptation, wherein, sliding block 5 can make the driving gear 8 keep away from or be close to driven gear 4 through sliding, when the installation typewriter ribbon, slide sliding block 5 along the direction of keeping away from driven gear 4, make the clearance increase between driving gear 8 and the sliding gear, thereby be convenient for the typewriter ribbon to penetrate between driving gear 8 and the sliding gear, and then make the installation of typewriter ribbon more convenient, after the typewriter ribbon penetrates between driving gear 8 and the sliding gear, move sliding block 5 along the direction towards impulsion gear, make driving gear 8 and driven gear 4 re-engagement, rotating part 81 is vertical relative with through-hole 21 this moment, make rotating part 81 can extend to outside the installation cavity through-hole 21, thereby accessible rotates outside rotating part 81 and tightens up the typewriter ribbon.

In this embodiment, further be equipped with slot 9 according to pitch arc distribution on casing 1, be equipped with elastic metal piece 10 in slot 9, when elastic metal piece 10 inserted slot 9, elastic metal piece 10 bending becomes the flexion, the flexion butt is in driving gear 8 periphery for driving gear 8 closely meshes in driven gear 4, thereby can prevent to penetrate the typewriter ribbon between driving gear 8 and the driven gear 4 and drop from between driving gear 8 and the driven gear 4, consequently need extract elastic metal piece 10 from slot 9 earlier when sliding block 5 slides.

In this embodiment, further be equipped with top guide roll 11 and bottom guide roll 12 on support 3, top guide roll 11 and bottom guide roll 12 respectively butt in the upper and lower both sides of typewriter ribbon, in order to realize the direction to the typewriter ribbon, this support 3 bottom is equipped with upset portion 31, upset portion 31 one end is rotated and is connected in support 3 bottom, the other end is equipped with joint piece 311, support 3 bottom is equipped with the joint groove 32 that corresponds with joint piece 311, joint piece 311 can block into joint groove 32, and constitute the joint cooperation between the two, upset portion 31 top symmetry is equipped with connecting portion 312, bottom guide roll 12 both ends are rotated respectively and are connected in connecting portion 312, consequently after the typewriter ribbon is worn out from notch 101, through rotating upset portion 31, make support 3 bottom open, thereby be convenient for the typewriter ribbon to pass top guide roll 11, later through overturning portion 31 again, make joint piece 311 can block into joint groove 32, make bottom guide roll 12 and top guide roll 11 can butt in the upper and lower both sides of typewriter ribbon respectively, thereby when playing the guide effect of direction to the typewriter ribbon, can prevent the typewriter ribbon from coming off from bottom guide roll from the guide roll with top guide roll 12 and the top guide roll, thereby prevent the typewriter ribbon from receiving when the typewriter ribbon from the friction.

In this embodiment, the periphery of the top of the casing 1 is further provided with a plurality of first threaded holes 102, the first threaded holes 102 are distributed at intervals along the periphery of the casing 1, the cover plate 2 is provided with a plurality of second threaded holes 22 corresponding to the first threaded holes 102, the first threaded holes 102 and the second threaded holes 22 are locked by locking members, the cover plate 2 and the casing 1 in the existing ribbon rack are generally connected by fasteners, and the fasteners are easily damaged if the fasteners are stressed too much when the fasteners are connected by the fasteners, so that the connection between the cover plate 2 and the casing 1 is affected, and the above-mentioned connection by the locking members can effectively avoid the above-mentioned problems.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (5)

1. The utility model provides a typewriter ribbon frame convenient to typewriter ribbon installation which characterized in that includes:

the ink ribbon dispenser comprises a shell, wherein an openable cover plate is arranged on the shell, an installation cavity for installing an ink ribbon is formed between the cover plate and the shell, brackets are respectively arranged on the outer walls of two sides of the shell, and a notch is formed in the side wall of the shell and is communicated with the installation cavity;

the driven gear is rotationally connected to the inner wall of the shell;

the sliding block is arranged at two ends of the sliding block, the inner wall of the shell is provided with symmetrically arranged convex blocks, the side wall of each convex block is provided with a sliding groove matched with the corresponding sliding block, the sliding block is positioned in the sliding groove and can form sliding fit between the sliding block and the sliding groove, and the sliding block is provided with a connecting rod;

the driving gear is sleeved on the periphery of the connecting rod, the top of the driving gear extends out of the installation cavity to serve as a rotating part, and the cover plate is provided with a through hole which is matched with the rotating part;

the sliding block can enable the driving gear to be far away from or close to the driven gear through sliding.

2. An ink ribbon holder for an ink ribbon according to claim 1, wherein the housing has slots arranged in an arc, and the slots have elastic metal pieces disposed therein, and when the elastic metal pieces are inserted into the slots, the elastic metal pieces are bent to form bent portions, and the bent portions abut against an outer periphery of the driving gear, so that the driving gear is tightly engaged with the driven gear.

3. The ribbon holder of claim 1 wherein the support has a top guide roller and a bottom guide roller, the top guide roller and the bottom guide roller abutting against the upper and lower sides of the ribbon to guide the ribbon.

4. The ribbon rack according to claim 3, wherein the support bottom is provided with a turnover part, one end of the turnover part is rotatably connected to the support bottom, the other end of the turnover part is provided with a clamping block, the support bottom is provided with a clamping groove corresponding to the clamping block, the clamping block can be clamped into the clamping groove to form a clamping fit therebetween, the top of the turnover part is symmetrically provided with a connecting part, and two ends of the bottom guide roller are respectively rotatably connected to the connecting part.

5. The ribbon holder of claim 1, wherein the housing has a plurality of first threaded holes spaced along a periphery of the housing, the cover has a second threaded hole corresponding to the first threaded hole, and the first threaded hole and the second threaded hole are locked together by a locking member.

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