Cash scale convenient to repair

Abstract

The utility model discloses a cashier scale convenient to repair, which comprises a keyboard, the keyboard comprises a positioning plate, a soft panel, a circuit board and keys, the positioning plate is provided with a plurality of positioning holes arranged in order, one key is fixed in one positioning hole, the circuit board and the panel respectively cover two opposite sides of the positioning plate, and the soft panel is fixed on the circuit board. The circuit board is electrically connected with the keys, a plurality of patterns are arranged on the face, opposite to the positioning plate, of the soft panel, the patterns correspond to the keys in a one-to-one mode, all the keys are independent from one another, when some keys are in inflexible contact, ineffective contact and the like, only the keys with problems can be replaced, and compared with an existing keyboard, the keyboard is low in repair cost. And the positioning plate is used for positioning and fixing to ensure that the keys correspond to the patterns. The keyboard can be arranged on the scale seat and can also be arranged beside the display screen.

Description

Technical Field

[0001] The utility model belongs to the technical field of cash register scales, and in particular relates to a cash register scale which is convenient to repair. Background Art

[0002] Cashier scales are commonly found in supermarkets, fruit and vegetable stores, delicatessens, etc. Compared with traditional cashier scales, existing cashier scales usually include a weighing function, with more centralized functions and higher processing efficiency. Existing cashier scales usually include a scale base, a display screen, and an arm connecting the scale base and the display screen.

[0003] In order to facilitate the operator's operation, a keyboard is usually provided on the cash register scale. The keyboard includes multiple keys, and the keys include commonly used functions and customer-customized functions. However, the existing keyboards have the following problems: the existing keyboards are usually integrated keyboards, and the keys cannot be disassembled and assembled separately. When some keys have contact problems, the entire keyboard needs to be replaced or removed for repair, which has a high repair cost. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a cash register scale which is more convenient to operate and repair than the keyboard of the prior art.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a cash register scale that is easy to repair, including a keyboard, the keyboard including a positioning plate, a soft panel, a circuit board and a button, the positioning plate is provided with a plurality of neatly arranged positioning holes, a button is fixed in one of the positioning holes, the circuit board and the panel are respectively covered on two opposite sides of the positioning plate, the circuit board is electrically connected to the button, and a plurality of patterns are provided on the surface of the soft panel facing away from the positioning plate, and the patterns correspond to the buttons one by one.

[0006] With the above solution, each key is independent of each other. When some keys have poor contact or contact failure, only the keys with problems can be replaced. Compared with the existing keyboard, the repair cost is low. The positioning plate is used for positioning and fixing to ensure that the keys and patterns correspond. The keyboard can be set on the scale base or next to the display screen.

[0007] As a further configuration of the utility model, a positioning frame is provided on the surface of the positioning plate facing the circuit board, reinforcing ribs are provided in the positioning frame, and the circuit board is located in the positioning frame and fits the reinforcing ribs.

[0008] With the above solution, the positioning frame is used to position the circuit board, facilitate the installation of the circuit board to the predetermined position, ensure that the key abuts against the correct position of the circuit board, and ensure the normal use of the key. The reinforcing rib increases the overall strength of the positioning plate.

[0009] As a further configuration of the present invention, the keyboard also includes a bottom plate arranged on the side of the circuit board facing away from the positioning plate, a positioning ridge is provided on the surface of the bottom plate facing the positioning plate, a positioning groove is provided on the positioning frame to form a limit with the positioning ridge, the bottom plate is fixedly connected to the positioning plate, and the circuit board maintains electrical connection with the keys under the action of the bottom plate.

[0010] With the above solution, the keyboard can be assembled first and then installed in the scale base or display screen, which makes assembly more convenient. When there is a problem with the keyboard, the entire keyboard can be taken out for replacement or repair, which makes the repair more efficient. The positioning convex strip cooperates with the positioning groove to facilitate the fixation of the bottom plate and the positioning plate. The bottom plate and the positioning plate can be fixed by buckles, bolts, etc.

[0011] As a further configuration of the utility model, an operation panel is further included, wherein the operation panel is provided with a groove 1 and a groove 2 arranged side by side, a display screen is fixed in the groove 1, the keyboard is fixed in the groove 2, and the bottom plate is fixed to the bottom of the groove 2 by fixing bolts.

[0012] By adopting the above scheme, the first groove and the second groove facilitate the assembly of the display screen and the keyboard. The keyboard of the utility model is arranged beside the display screen, which is convenient for the operator to operate.

[0013] As a further configuration of the utility model, a notch is provided on the groove wall of the groove two, which is sunken from the groove mouth to the groove bottom, a convex portion is provided on the outer edge of the positioning plate for inserting into the notch, the convex portion protrudes out of the groove two, a slot is provided on the surface of the groove two opposite to the notch, a plug is provided on the bottom plate for inserting into the slot, and the surface of the plug facing away from the bottom of the groove two is arc-shaped.

[0014] With the above solution, the keyboard can be easily removed from the second groove through the convex part without the need for additional tools. The presence of the convex part can prevent the wrong installation direction and facilitate later maintenance. The shape of the plug facilitates the insertion or removal of the plug from the slot.

[0015] As a further configuration of the utility model, a sunken groove is provided on the surface where the positioning plate and the soft panel are in contact, and the sunken groove is sunken toward the bottom of the second groove. The positioning hole is arranged in the sunken groove, there is a gap between the soft panel and the positioning hole, and there is a gap between the soft panel and the button.

[0016] With the above solution, the operator needs to apply a certain force to the soft panel to cause a certain deformation of the soft panel before the button can be triggered, which can prevent accidental touches and provide a good operating experience.

[0017] As a further configuration of the utility model, the reinforcing ribs include transverse reinforcing ribs and longitudinal reinforcing ribs that are arranged alternately, the transverse reinforcing ribs are arranged at intervals with the keys in the transverse direction, and the longitudinal reinforcing ribs are arranged at intervals with the keys in the longitudinal direction.

[0018] The horizontal direction refers to the direction parallel to the ground when the utility model is actually used, and the vertical direction refers to the direction perpendicular to the horizontal direction. The above scheme is adopted to ensure the strengthening effect of the reinforcing ribs and provide stable support for the circuit board.

[0019] As a further configuration of the utility model, a plurality of bosses are provided on the surface of the positioning plate facing the circuit board, the bosses are located at the intersection of the transverse reinforcing ribs and the longitudinal reinforcing ribs, and the circuit board is provided with sockets for inserting the bosses.

[0020] By adopting the above solution, the boss cooperates with the jack to better control the position of the circuit board in the positioning frame, thereby preventing the button from having poor contact due to the circuit board deviating from the predetermined position.

[0021] As a further configuration of the utility model, the height of the protruding reinforcing ribs of the boss is less than or equal to the height of the protruding reinforcing ribs of the positioning frame, and the thickness of the circuit board is less than or equal to the height of the protruding reinforcing ribs of the positioning frame.

[0022] Adopting the above scheme makes assembly convenient.

[0023] As a further configuration of the utility model, a through hole is provided at a position opposite to the bottom plate and the jack, a threaded hole coaxially arranged with the through hole is provided on the boss, and the through hole includes an extending end extending toward the circuit board, and the extending end abuts against the circuit board.

[0024] With the above solution, the bolts are inserted into the through holes and fixedly connected with the threaded holes to fix the bottom plate and the positioning plate, and the bolts are convenient for later disassembly and assembly. At the same time, the middle parts of the bottom plate and the positioning plate are prevented from bulging in opposite directions, thereby causing poor contact between the circuit board and the button. Under the action of the extension end, there is a gap between the circuit board and the bottom plate, reducing the contact area between the circuit board and the bottom plate.

[0025] The utility model is further described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Attached Figure 1 It is an overall diagram of a specific embodiment of the utility model;

[0027] Attached Figure 2 This is an exploded schematic diagram of the operation panel of a specific embodiment of the utility model;

[0028] Attached Figure 3 This is an exploded view of the front of the keyboard of a specific embodiment of the utility model;

[0029] Attached Figure 4 This is an exploded view of the back side of the keyboard of a specific embodiment of the utility model.

[0030] Scale base 1, arm body 2, operation panel 3, groove 1 31, groove 2 32, notch 321, slot 322, display screen 4, positioning plate 5, positioning hole 51, positioning frame 52, positioning groove 521, reinforcing rib 53, transverse reinforcing rib 531, longitudinal reinforcing rib 532, sunken groove 54, convex portion 55, convex column 56, threaded hole 561, soft panel 6, pattern 61, circuit board 7, jack 71, bottom plate 8, positioning convex strip 81, through hole 82, extension end 821, plug 83, button 9, reinforcing bolt 101. DETAILED DESCRIPTION

[0031] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present utility model, it should be noted that, unless otherwise specified, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the orientation or position relationship in the description are based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0033] The specific implementation of the utility model is as follows Figure 1-4 shown.

[0034] A cash register scale that is easy to repair includes a scale base 1, an arm body 2, and an operation panel 3 arranged on the side of the arm body 2 away from the scale base 1. The operation panel 3 is provided with a groove 1 31 and a groove 2 32 arranged side by side. A display screen 4 is fixed in the groove 1 31, and a keyboard is fixed in the groove 2 32. The keyboard includes a positioning plate 5, a soft panel 6, a circuit board 7, a bottom plate 8, and a key 9. The positioning plate 5 is provided with a plurality of neatly arranged positioning holes 51, and a key 9 is fixed in one positioning hole 51. The circuit board 7 covers the side of the positioning plate 5 close to the bottom of the groove 2 32. The bottom plate 8 is arranged on the side of the circuit board 7 facing away from the positioning plate 5, and is fixedly connected to the positioning plate 5. The circuit board 7 maintains an electrically connected state with the key 9 under the action of the bottom plate 8. In this embodiment, the bottom plate 8 and the positioning plate 5 are fixed by bolts. The soft panel 6 covers the side of the positioning plate 5 facing away from the circuit board 7. A plurality of patterns 61 are provided on the surface of the soft panel 6 facing away from the positioning plate 5, and the patterns 61 correspond to the keys 9 one by one.

[0035] The first groove 31 and the second groove 32 facilitate the assembly of the display screen 4 and the keyboard, and the positioning plate 5 is used for positioning and fixing to ensure that the keys 9 and the patterns 61 correspond one to one.

[0036] Compared with the existing cash register scale, the keyboard of this embodiment is arranged next to the display screen 4, which is convenient for the operator to operate. In this embodiment, the keyboard can be assembled first and then installed in the groove 2 32, which is more convenient to assemble. Moreover, each key 9 is independent of each other. When some keys 9 have poor contact or contact failure, only the keys 9 with problems can be replaced. Compared with the existing keyboard, the repair cost is low.

[0037] A positioning frame 52 is provided on the surface of the positioning plate 5 facing the circuit board 7. A reinforcing rib 53 is provided inside the positioning frame 52. The circuit board 7 is located inside the positioning frame 52 and fits the reinforcing rib 53. The positioning frame 52 is used to position the circuit board 7, so that the circuit board 7 can be installed at a predetermined position, and the button 9 can be abutted against the correct position of the circuit board 7, so that the button 9 can be used normally. The reinforcing rib 53 increases the overall strength of the positioning plate 5.

[0038] The bottom plate 8 is provided with a positioning convex strip 81 on the surface facing the positioning plate 5, and the positioning frame 52 is provided with a positioning groove 521 which forms a limit with the positioning convex strip 81. In this embodiment, the positioning groove 521 is located on the inner wall of the positioning frame 52 and is annular. The bottom plate 8 is fixed to the bottom of the groove 32 by a fixing bolt 101. When there is a problem with the keyboard, the entire keyboard can be taken out for replacement or repair, which is more efficient. The positioning convex strip 81 cooperates with the positioning groove 521 to facilitate the fixing of the bottom plate 8 and the positioning plate 5.

[0039] The surface where the positioning plate 5 and the soft panel 6 are attached is provided with a sunken groove 54 which is sunken toward the bottom of the groove 2 32, and the positioning hole 51 is arranged in the sunken groove 54. There is a gap between the soft panel 6 and the positioning hole 51, and there is a gap between the soft panel 6 and the button 9. The operator needs to exert a certain force on the soft panel 6 to cause a certain deformation of the soft panel 6 in order to trigger the button 9, which can prevent accidental touch and provide a good operating experience.

[0040] The groove wall of the second groove 32 is provided with a notch 321 that is sunken from the notch to the groove bottom, and the outer edge of the positioning plate 5 is provided with a convex portion 55 that is inserted into the notch 321, and the convex portion 55 protrudes from the second groove 32. Through the convex portion 55, the keyboard can be easily removed from the second groove 32 without the need to use additional tools. The presence of the convex portion 55 can prevent the situation of incorrect installation direction and facilitate later maintenance. The second groove 32 is provided with a slot 322 on the surface opposite to the notch 321, and the bottom plate 8 is provided with a plug 83 that is inserted into the slot 322. The surface of the plug 83 facing away from the bottom of the second groove 32 is arc-shaped, which is convenient for the plug 83 to be inserted or removed from the slot 322.

[0041] The reinforcing ribs 53 include transverse reinforcing ribs 531 and longitudinal reinforcing ribs 532 arranged alternately. The transverse reinforcing ribs 531 and the buttons 9 are arranged in a transverse interval, and the longitudinal reinforcing ribs 532 and the buttons 9 are arranged in a longitudinal interval. The transverse direction refers to a direction parallel to the ground when the embodiment is actually used, and the longitudinal direction refers to a direction perpendicular to the transverse direction. The reinforcing effect of the reinforcing ribs 53 is ensured, and stable support is provided for the circuit board 7.

[0042] A plurality of bosses 56 are provided on the surface of the positioning plate 5 facing the circuit board 7. The bosses 56 are located at the intersection of the transverse reinforcing ribs 531 and the longitudinal reinforcing ribs 532. The circuit board 7 is provided with a socket 71 for inserting the bosses 56. The height of the bosses 56 protruding from the reinforcing ribs 52 is less than or equal to the height of the positioning frame 52 protruding from the reinforcing ribs 53, and the thickness of the circuit board 7 is less than or equal to the height of the positioning frame 52 protruding from the reinforcing ribs 53. The bosses 56 cooperate with the socket 71 to better control the position of the circuit board 7 in the positioning frame 52, and prevent the poor contact of the key 9 caused by the circuit board 7 deviating from the predetermined position.

[0043] A through hole 82 is provided at a position opposite to the insertion hole 71 of the bottom plate 8, and a threaded hole 561 is provided on the boss 56 coaxially with the through hole 82. The bolt is passed through the through hole 82 and fixedly connected with the threaded hole 561, which is convenient for later disassembly and assembly. At the same time, it prevents the situation that the circuit board 7 and the button 9 are poorly contacted due to the bulging of the middle parts of the bottom plate 8 and the positioning plate 5 in opposite directions.

[0044] The through hole 82 includes an extending end 821 extending toward the circuit board 7 . The extending end 821 abuts against the circuit board 7 . Under the action of the extending end 821 , a gap exists between the circuit board 7 and the bottom plate 8 , thereby reducing the contact area between the circuit board 7 and the bottom plate 8 .

[0045] The present invention is not limited to the above-mentioned specific implementation modes. A person skilled in the art may adopt other various specific implementation modes to implement the present invention according to the contents disclosed in the present invention, or any design structure and concept of the present invention with simple changes or modifications shall fall within the protection scope of the present invention.

Claims

1. A cash register scale that is easy to repair, including a keyboard, characterized in that: The keyboard includes a positioning plate, a soft panel, a circuit board and a key. The positioning plate is provided with a plurality of neatly arranged positioning holes, a key is fixed in one of the positioning holes, the circuit board and the panel respectively cover the opposite sides of the positioning plate, the circuit board is electrically connected to the key, and a plurality of patterns are provided on the surface of the soft panel facing away from the positioning plate, and the patterns correspond to the keys one by one.

2. The cash register scale that is easy to repair according to claim 1, characterized in that: A positioning frame is provided on the surface of the positioning plate facing the circuit board, and reinforcing ribs are provided in the positioning frame. The circuit board is located in the positioning frame and fits the reinforcing ribs.

3. The cash register scale that is easy to repair according to claim 2, characterized in that: The keyboard also includes a bottom plate arranged on the side of the circuit board facing away from the positioning plate, a positioning ridge is provided on the surface of the bottom plate facing the positioning plate, a positioning groove is provided on the positioning frame to form a limit with the positioning ridge, the bottom plate is fixedly connected to the positioning plate, and the circuit board maintains electrical connection with the key under the action of the bottom plate.

4. The cash register scale that is easy to repair according to claim 3, characterized in that: It also includes an operation panel, which is provided with a groove 1 and a groove 2 arranged side by side, a display screen is fixed in the groove 1, the keyboard is fixed in the groove 2, and the bottom plate is fixed to the bottom of the groove 2 by fixing bolts.

5. The easily repairable cash register scale according to claim 4, characterized in that: A notch is provided on the groove wall of the groove 2, which is sunken from the groove mouth to the groove bottom. A convex portion is provided on the outer edge of the positioning plate to be inserted into the notch. The convex portion protrudes out of the groove 2. A slot is provided on the surface of the groove 2 opposite to the notch. A plug is provided on the bottom plate to be inserted into the slot, and the surface of the plug facing away from the bottom of the groove 2 is arc-shaped.

6. A cash register scale that is easy to repair according to claim 4 or 5, characterized in that: A sunken groove is provided on the surface of the positioning plate that is attached to the soft panel and is sunken toward the bottom of the groove 2. The positioning hole is arranged in the sunken groove. There is a gap between the soft panel and the positioning hole, and there is a gap between the soft panel and the button.

7. The easily repairable cash register scale according to claim 6, characterized in that: The reinforcing ribs include transverse reinforcing ribs and longitudinal reinforcing ribs which are arranged alternately. The transverse reinforcing ribs are arranged at intervals with the keys in the transverse direction, and the longitudinal reinforcing ribs are arranged at intervals with the keys in the longitudinal direction.

8. The easily repairable cash register scale according to claim 7, characterized in that: A plurality of bosses are arranged on the surface of the positioning plate facing the circuit board. The bosses are located at the intersection of the transverse reinforcing ribs and the longitudinal reinforcing ribs. The circuit board is provided with sockets for inserting the bosses.

9. The easily repairable cash register scale according to claim 8, characterized in that: The height of the protruding reinforcing rib of the convex column is less than or equal to the height of the protruding reinforcing rib of the positioning frame, and the thickness of the circuit board is less than or equal to the height of the protruding reinforcing rib of the positioning frame.

10. The easily repairable cash register scale according to claim 9, characterized in that: A through hole is provided at a position of the bottom plate opposite to the insertion hole, a threaded hole is provided on the boss coaxially with the through hole, the through hole includes an extending end extending toward the circuit board, and the extending end abuts against the circuit board.

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