KR0128048Y1 - Device capable of setting dot impact at carriage - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention provides a dot impact head that can be implemented to facilitate disassembly and replacement of the dot impact head by fixing the dot impact head to the carriage with an easy and simple structure. A device that can be secured to a carriage.

2. The technical problem the invention is trying to solve

The present invention is to provide a device that can be fixed to the carriage (dot impact) head that can stabilize the quality of the product by accurately positioning the head.

3. Summary of solution of design

The present invention is a holder for fixing the head to the carriage (carriage), the carriage (carriage) each of the second boss and third boss for preventing the left and right of the head, and the holder (holder) Each of the first boss and the fourth boss to fix both ends of the () is formed, the head is composed of a first hole and a second hole for fitting to the second boss and the third boss 22.

4. Important uses of the devise

The present invention can accurately implement the positioning of the head, and also simplify the assembly and disassembly of the head, thereby stabilizing the quality of the product, allowing the user to improve the reliability of the product. If the head needs to be replaced due to / S or various problems, it can be easily replaced, and the replacement time can be shortened, and the assembly of the product can be improved.

Description

Device capable of securing the dot-impact head to the carriage

1 is a schematic view showing a state in which a dot impact head is fixed to a carriage in the prior art.

2 is a schematic diagram showing a process of maintaining a gap between a dot impact head and a recording sheet in the prior art.

Figure 3 is a schematic diagram showing the configuration of a dot impact head according to the present invention.

Figure 4 is a schematic diagram showing the configuration of the carriage (carriage) according to the present invention.

5 is a schematic view showing a state in which a dot impact head according to the present invention is fixed to a carriage.

* Explanation of symbols for main parts of the drawings

10 head 12 first hole

14 second hole 16 carriage

18: first boss 20: second boss

22: third boss 24: fourth boss

26: holder 28: fixing part

30: handle 32: tip

34: third hole 36: fourth hole

The present invention relates to a cash register or a printer using a dot impact head, and in particular, a dot impact head by fixing the dot impact head to a carriage with an easy and simple structure. The present invention relates to a device capable of fixing a dot impact head to a carriage that can be implemented to facilitate disassembly and exchange of the head.

Conventionally, as shown in FIG. 1, a schematic diagram showing a state in which a dot impact head is fixed to a carriage, wherein the dot impact forms an image on the recording paper 54. FIG. Carriage 58 for moving the head 40 to the left, right direction is installed, the upper surface of the carriage (58) to the head (carriage) 58 to the carriage (carriage) (58) The fifth hole 50 and the sixth hole 52 into which the respective first screw 44 and the second screw 46 are fitted are fixed in two places.

At this time, the first screw 44 is fitted into the fifth hole 50, and the second screw 46 is fitted into the sixth hole 52.

The method (assembly order) for fixing the dot impact head 40 configured as described above to the carriage 58 so as to maintain a constant gap with the recording paper 54 is as follows. same.

First, a spacer 56 is inserted between the head 40 and the recording paper 54 to maintain a constant gap between the head 40 and the recording paper 54.

Thereafter, the manufacturer pushes the rear end of the head 40 by hand toward the recording paper 54 and moves it until the leading end 42 of the head 40 is in contact with the spacer 56.

Then, the manufacturer inserts the first screw 44 into the fifth hole 50 formed in the upper surface of the carriage 58 to fasten the head 40 to the carriage 58, and the The two screws 46 are inserted into the sixth holes 52 formed in the upper surface of the carriage 58 to fasten and fix the head 40 to the carriage 58.

Then, a screw-lock 48 is applied around the first screw 44 and the second screw 46 so that the screws 44 and 46 are not loosened.

At this time, the gap between the head 40 and the recording paper 54 may increase or decrease the gap depending on the force and direction applied by the producer to the head 40 by hand. The head 40 may be fixed in an inclined state in the left and right directions.

If a problem occurs when a consumer uses a product (cash register or printer) assembled as described above and the head 40 needs to be replaced, first, the first screw 44 is upper part of the carriage 58. After separating from the fifth hole 50 formed in the surface, the second screw 46 is separated from the sixth hole 52.

Thereafter, as in the beginning, a consumer or an A / S center person pushes the rear end portion of the head 40 toward the recording paper 54 by hand, while the tip portion 42 of the head 40 is separated from the spacer 56. Move until it comes in contact.

Thereafter, a consumer or an A / S center person inserts the first screw 44 into the fifth hole 50 formed in the upper surface of the carriage 58, and the head 40 moves into the carriage 58. The head 40 is fastened to the carriage 58 by inserting the second screw 46 into the sixth hole 52 formed in the upper surface of the carriage 58. .

Thereafter, a screw-lock 48 is applied around the first screw 44 and the second screw 46 so that the screws 44 and 46 are not loosened. Is replaced with a new one.

At this time, the head 40 is not fixed to the correct position as the initial position.

In order to prevent the first screw 44 and the second screw 46 from loosening due to vibration when the head 40 fixed to the carriage 58 is driven in the left and right directions when the above method is used. -When replacing the head 40 by applying the screw-lock 48, remove the applied screw-lock 48, then loosen each screw 44, 46 The head 40 must be replaced. As a result, a user or a person at an after-sales center wastes a lot of time to separate the head 40, and it is difficult to accurately position the head 40, and the head 40 and the recording paper 54 Since a constant gap is adjusted with a spacer 56, it is impossible to form an accurate gap, and because it is difficult to accurately fix the head 40 again to the carriage 58, There is a problem that the quality of the product is non-uniform, the user is reduced the reliability of the product.

In order to solve the above problems, an object of the present invention is to provide a device capable of fixing a dot impact head to a carriage that can stabilize the quality of a product by accurately positioning the head. have.

Another object of the present invention is to provide a device that can easily implement the mounting and disassembly of the head.

Another object of the present invention is to provide a device that can improve the productivity by reducing the assembly labor.

Another object of the present invention is to provide an apparatus capable of accurately maintaining a gap between a head and a recording sheet.

Another object of the present invention is to provide an apparatus capable of shortening the exchange time of the head.

Another object of the present invention is to provide a device that allows a user to improve the reliability of the product.

In order to achieve the above object, the present invention provides a holder for fixing the head to a carriage, and the carriage each includes a second boss and a first to prevent the head from being left and right twisted. Three bosses and respective first and fourth bosses for fixing both ends of the holder are formed, and the first holes for fitting the second and third bosses 22 to the head are formed. And a second hole.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

An apparatus capable of fixing a dot impact head according to the present invention to a carriage includes a head 10 for forming an image on a recording paper, as shown in FIGS. 3, 4, and 5; The first hole 12 and the second hole 14 for fitting the second boss 20 and the third boss 22 to the upper surface of the head 10 are formed in two places, and the head 10 In the front portion (i.e., the recording paper direction), a tip portion 32 in which a pin drives a driving force to form an image on the recording paper is formed.

In addition, when a hold 26 is installed to fix the head 10 to the carriage 16, the head 16 may be disposed on the carriage 16 at one side of the lower end of the holder 26. 10) After fixing the head 10, the holder 16 must be separated from the carriage 16 when the head 10 is replaced. In this case, a handle 30 for allowing the user to conveniently detach the holder 16 is formed, and the head 10 is fixed to the carriage 16 on the upper surface of the holder 26. And a fixed portion 28 of a leaf spring structure is formed to fix the head 10 to the carriage 16 while pressing at a constant pressure, and both sides of the lower end of the holder 26 are formed. The third hole 34 and the fourth hole 36 for fitting the first boss 18 and the fourth boss 24 are formed in two places. In addition, the holder (26) is formed in a clip (clip) structure to be easily coupled and separated in the carriage (carriage) (16).

In addition, the carriage 16 which moves the head 10 in the left and right directions prevents the head 10 from being left and right twisted, and at the same time, a constant gap between the head 10 and the recording paper. Each of the second boss 20 and the third boss 22 to maintain the gap is formed in an upward direction, and both ends of the holder 26 are formed at both sides of the carriage 16. Each of the first bosses 18 and the fourth bosses 24 formed in the third hole 34 and the fourth hole 36 to fix the hold 26 is formed.

In this case, the first boss 18, the second boss 20, the third boss 22, and the fourth boss 24 may be integrally formed with a carriage 16.

Referring to the operation and effects of the present invention configured as described above are as follows.

The first hole 12 formed in the upper surface of the head 10 is aligned with the third boss 22 formed in the upper surface of the carriage 16, and the second formed in the upper surface of the head 10. The hole 14 is aligned with the second boss 20 formed on the upper surface of the carriage 16, and then the head 10 is pushed downward so that the third boss 22 is the first hole 12. The second boss 20 is inserted into the second hole 14 so as to be in close contact with the carriage 16.

At this time, the head 10 maintains a constant gap with the recording paper.

Then, the first boss 18 formed on the left side of the carriage 16 in the third hole 34 of the hold 26 is placed on the upper end of the head 10. After fitting, the second boss 24 is inserted into the fourth hole 36 of the holder while pressing the handle 30 of the hold 26 downward, so that the head 10 is a carriage. (16) is fixed.

After that, when a consumer uses the assembled product (cash register or printer) as described above and the head 10 needs to be replaced, the user presses the handle 30 of the holder 26 downward. When the force is applied in the right direction, the fourth boss 24 of the carriage 16 is naturally separated from the fourth hole 36 of the holder 26, and the carriage ( The first boss 18 of 16 is separated from the third hole 34 of the holder 26 so that the holder 26 is separated from the carriage 16.

Thereafter, when the head 10 is lifted upward, the second boss 20 and the third boss 22 of the carriage 16 are formed in the respective first holes of the holder 26. 12 and the second hole 14, the head 10 is separated from the carriage (16).

Thereafter, as in the beginning, the first hole 12 formed in the upper surface of the head 10 is aligned with the third boss 22 formed in the upper surface of the carriage 16, and the upper portion of the head 10 is formed. The second hole 14 formed in the surface is aligned with the second boss 20 formed in the upper surface of the carriage 16, and then the head 10 is pushed downward so that the third boss 22 is formed. The first boss 12 is inserted into the second boss 20 so as to be in close contact with the carriage 16.

Then, the first boss 18 formed on the left side of the carriage 16 in the third hole 34 of the hold 26 is placed on the upper end of the head 10. After fitting, the second boss 24 is inserted into the fourth hole 36 of the holder while pressing the handle 30 of the hold 26 downward, so that the head 10 is a carriage. By being fixed at 16, the head 10 is replaced with a new one.

The device capable of fixing the dot impact head to the carriage according to the present invention can realize the positioning of the head accurately, and also simplify the coupling and disassembly of the head. As a result, the quality of the product can be stabilized, so that the user can improve the reliability of the product. Also, when the head needs to be replaced due to A / S or various problems, the user can easily replace the product. It is also effective to improve the assembly of the product.

Claims (6)

A device capable of fixing a dot impact head for forming an image on a recording sheet to a carriage, comprising: a holder for fixing the head 10 to a carriage 16; 26 and the carriage 16, each of the second boss 20 and the third boss 22 to prevent left and right twisting of the head 10, and the holder ( Each of the first boss 18 and the fourth boss 24 fixing both ends of the 26 is formed, and the head 10 is fitted to the second boss 20 and the third boss 22. A device capable of securing a dot impact head to a carriage (16), characterized in that it consists of a first hole (12) and a second hole (14), respectively. The head 10 is fitted to the second boss 20 and the third boss 22 of the carriage 16 and has a constant gap with the recording paper. A device capable of securing a dot impact head to a carriage, characterized in that it is adapted. The dot impact of claim 1, wherein the holder 26 is formed in a clip structure so that the holder 16 can be easily coupled and separated from the carriage 16. ) A device capable of securing the head to a carriage. 4. The dot-type according to claim 1 or 3, wherein a handle 30 is formed at one side of the holder 26 so as to be convenient for a user when separated from the carriage 16. A device that can secure a dot impact head to a carriage. The dot-impact according to claim 1, wherein the holder (26) is formed with a fixing portion (28) having a leaf spring structure to fix the head (10) to the carriage (16) at a constant pressure. (dot impact) A device that can secure a head to a carriage. According to claim 1, wherein the first boss 18, the second boss 20, the third boss 22, the fourth boss 24 is formed integrally with the carriage (carriage) (16) formed of a mold A device capable of securing a characteristic dot impact head to a carriage.