key

Abstract

The application provides a key, which comprises a base and a soldering leg. The base is provided with a positioning part. The soldering leg is arranged on the base at the positioning part. The soldering leg comprises a first body and at least two second bodies. The first body is attached to one side of the base. The at least two second bodies are connected to the other side of the base. The key provided by the application can directly connect the soldering leg to the base of the key. The installation of the soldering leg can be realized by mechanical processing. The soldering surface of the soldering leg is ensured to have no residual residues. The manufacturing process of the key is simplified, and the scrap rate of the key is reduced. The installation of the soldering leg is realized by mechanical processing. The position, quantity, shape, size and the like of the soldering leg are not affected by the forming process of the key. The installation position of the soldering leg is more flexible. The soldering leg is suitable for the manufacturing of various types of keys, and the universality of the soldering leg is improved. The base is provided with the positioning part. The soldering leg is installed at the positioning part. The installation position of the soldering leg is more accurate, and the operation of workers is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of keys, in particular to a key. BACKGROUND

[0002] At present, in the related art, the pin mounting structure of the key mainly includes the following two kinds:

[0003] I. The pin of the key is connected with the pin support, the pin support is embedded in the base, and the pin and the base are formed at one time during injection molding or vulcanization of the key.

[0004] II. The pin is pasted on the base by chemical materials such as adhesives to realize the installation of the pin.

[0005] However, the above two kinds of pin mounting structure are complex, the welding surface of the pin needs to be protected during the processing of the key to prevent the silicone and the adhesive from being left on the welding surface and affecting the welding performance of the pin, so that the manufacturing process of the key is complex and the scrap rate is high. SUMMARY

[0006] The present application aims to at least solve one of the problems in the prior art or related art.

[0007] To this end, one aspect of the present application provides a key.

[0008] Therefore, one aspect of the present application provides a key, comprising a base and a pin; the base is provided with a positioning portion; the pin is arranged on the base at the positioning portion, and the pin comprises a first body and at least two second bodies, the first body is attached to one side of the base, and the at least two second bodies are connected to the other side of the base.

[0009] The key provided by the present application can directly connect the pin to the base of the key, and the installation of the pin can be realized by mechanical processing, and the welding surface of the pin can be ensured to be free of residual materials, thereby simplifying the manufacturing process of the key and reducing the scrap rate of the key. The position, number, shape, size and the like of the pin are not affected by the molding process of the key, and the installation position of the pin is more flexible, which is suitable for the manufacturing of various models of keys and improves the universality of the pin. The base is provided with a positioning portion, and the pin is installed at the positioning portion, so that the installation position of the pin is more accurate and convenient for workers to operate.

[0010] In addition, the key provided by the present application can have the following additional technical features:

[0011] In one technical solution of the present application, the positioning portion is a positioning hole, and the positioning hole is a through hole or a blind hole; when the positioning portion is a blind hole, the opening of the blind hole faces the first body.

[0012] In the technical scheme, the positioning part is arranged as a positioning hole, which can effectively reduce the thickness of the base where the welding leg is arranged, so that the welding leg is more smoothly arranged in the base, and the arrangement position of the welding leg is avoided from being deviated.

[0013] The positioning hole is a blind hole, and the opening of the blind hole faces the first body, so that the welding leg is more tightly arranged in the base after being clamped in the base, and the welding leg is avoided from moving.

[0014] The positioning hole is a through hole, so that the welding leg is more smoothly arranged in the base, and the arrangement position of the welding leg is avoided from being deviated.

[0015] In one technical scheme of the present application, the positioning hole is a wedge-shaped hole, a cylindrical hole or a tapered hole; when the positioning hole is a wedge-shaped hole or a tapered hole, the cross-sectional area of the positioning hole increases from the side of the at least two second bodies to the side of the first body.

[0016] In the technical scheme, the positioning hole is a wedge-shaped hole or a tapered hole, and the cross-sectional area of the positioning hole increases from the side of the at least two second bodies to the side of the first body, so that the positioning hole has a guiding effect, and the welding leg is more smoothly arranged in the base; the positioning hole is a cylindrical hole, so that the base is more easily processed, and the production process of the base is simplified.

[0017] In one technical scheme of the present application, the positioning part is a positioning mark arranged on the top wall or the bottom wall of the base.

[0018] In the technical scheme, the positioning mark is simple to process, and the original structure of the base is not damaged, so that the service life of the key is improved.

[0019] In one technical scheme of the present application, the positioning part is a plurality of positioning parts symmetrically arranged with respect to the center of the base.

[0020] In the technical scheme, the positioning part is a plurality of positioning parts symmetrically arranged with respect to the center of the base, so that the base has no direction requirement when being assembled, and the assembly process of the key is simplified.

[0021] The positioning part is four positioning parts, which are equally divided with respect to the center of the base, i.e., one positioning part is arranged every 90°.

[0022] The positioning part is two positioning parts, which are arranged on opposite sides, i.e., one positioning part is arranged every 180°.

[0023] In one technical scheme of the present application, the welding leg is arranged at the at least one positioning part.

[0024] In the technical scheme, a plurality of positioning parts can be arranged on the base, and the welding leg can be arranged on one or more positioning parts as needed.

[0025] There are four positioning parts, and two of the opposite positioning parts are provided with welding feet.

[0026] There are two positioning parts, and each positioning part is equipped with a welding foot.

[0027] In one technical solution of the present invention, the solder foot further includes at least two connecting portions, one end of each of the at least two connecting portions being connected to a first body; one end of each of the at least two second bodies being connected to the other end of the at least two connecting portions; wherein, the other end of one of the at least two second bodies extends toward the other second body, or the other end of one of the at least two second bodies extends away from the other second body.

[0028] In this technical solution, the first body, the connecting part, and the second body are connected in sequence to form a welding foot, which simplifies the structure of the welding foot and allows the welding foot to be directly snapped onto the base of the button.

[0029] At least two second bodies, one of which extends to the other, and the first and second bodies can clamp the base together to ensure that the solder feet are firmly installed and extend the service life of the button.

[0030] At least two second bodies, one of which extends away from the other, so that the cross-section of the solder foot is shaped like a "Z". Since the first body and the second body are located on both sides of the connection, the force on the button base is more even, the deformation of the button base is reduced, and the flatness of the solder foot is improved, making the contact between the solder foot and the circuit board more solid.

[0031] In one technical solution of the present invention, the base is square, rectangular or circular in shape.

[0032] In one technical solution of the present invention, when the base is square or rectangular, the four corners of the base are chamfered or rounded.

[0033] In this technical solution, when the base is square or rectangular, the four corners of the base are set as chamfered or rounded corners, which reduces the space occupied by the buttons after installation and makes the buttons more aesthetically pleasing.

[0034] In one embodiment of the present invention, the button further includes a support portion, a pressing portion, and a conductive contact; the support portion is connected to the base; the pressing portion is connected to the support portion and is located above the support portion; the conductive contact is connected to the lower surface of the pressing portion.

[0035] In the above technical solution, preferably, the included angle between the first body and the second body is greater than or equal to 0° and less than or equal to 5°.

[0036] In the technical scheme, the included angle between the first body and the second body is 0-5 degrees, when the base of the key is clamped, the variation of the key base is further reduced, and the flatness of the welding leg is improved; and the included angle between the first body and the second body is 0-5 degrees, the contact between the welding leg and the key base is more close, and the connection between the welding leg and the key base is more firm.

[0037] In one of the technical schemes of the present application, the number of the at least two connecting parts is the same as the number of the at least two second bodies.

[0038] In the technical scheme, the connecting part corresponds to the second body one by one, and each connecting part corresponds to a second body.

[0039] The number of the connecting part is two, the number of the second body is two, and the included angle between the two connecting parts is 180 degrees.

[0040] The number of the connecting part is three, the number of the second body is three, and the included angle between the two adjacent connecting parts is 120 degrees.

[0041] The number of the connecting part is four, the number of the second body is four, and the included angle between the two adjacent connecting parts is 90 degrees.

[0042] In one of the technical schemes of the present application, the first body, the at least two connecting parts and the at least two second bodies are of an integrated structure.

[0043] In the technical scheme, by setting the first body, the at least two connecting parts and the at least two second bodies as an integrated structure, the manufacturing process of the welding leg is simplified, the strength of the welding leg is improved, and the reliability of the welding leg is ensured.

[0044] In one of the technical schemes of the present application, the first body or the at least two second bodies is a metal welding part with weldability.

[0045] In the technical scheme, by setting the first body or the second body as a metal welding part with weldability, the first body or the second body itself has weldability, the coplanarity of the welding surface of the welding leg is improved, and the product quality is improved.

[0046] The welding area of the first body and the second body is the same.

[0047] In one of the technical schemes of the present application, the welding leg further comprises a welding layer, and the welding layer is wrapped on the outside of the first body or the at least two second bodies.

[0048] In the technical scheme, by setting the welding layer, the material selection of the first body or the second body is more extensive, and the material cost of the welding leg is effectively reduced.

[0049] The application further provides a manufacturing method of the key, comprising: arranging a positioning part on the base to determine the mounting position of the soldering leg; mounting the soldering leg blank on the base according to the mounting position; and bending or fastening the soldering leg blank to fix the soldering leg blank on the base.

[0050] The manufacturing method of the key provided by the application determines the mounting position of the soldering leg on the base, realizes the positioning of the soldering leg, and then mounts the soldering leg blank on the base according to the mounting position. After the mounting is completed, the part exceeding the upper surface of the base is bent or fastened, so that the soldering leg blank is fixed on the base. The manufacturing method of the key simplifies the structure of the soldering leg, and compared with the two soldering leg structures introduced in the related art, the mounting of the soldering leg can be realized through mechanical processing, the welding surface of the soldering leg does not need to be protected during the processing of the key, and the welding surface of the soldering leg can be ensured to be free of residual substances, so that the manufacturing process of the key is simplified, and the scrap rate of the key is reduced. The mounting of the soldering leg through mechanical processing also makes the mounting position of the soldering leg more flexible, is suitable for the manufacturing of keys of various models, and improves the universality of the soldering leg. The base is provided with the positioning part, and the soldering leg is mounted at the positioning part, so that the mounting position of the soldering leg is more accurate, and the operation of workers is facilitated.

[0051] The soldering leg blank can also be fixed on the base of the key through riveting.

[0052] The base is formed through die casting, and the positioning part is formed on the base through die casting.

[0053] In one technical solution of the application, the mounting of the soldering leg blank on the base comprises: press-fitting the soldering leg blank on the base, so that the connecting part of the soldering leg penetrates through the base.

[0054] The soldering leg blank is press-fitted on the base through a pressure device, so that the mounting and fixing of the soldering leg are realized, and the stability of the fixing of the soldering leg is ensured.

[0055] The soldering leg can directly abut against the side wall of the base of the soldering leg, and then be bent, so that the mounting and fixing of the soldering leg are realized. During the mounting of the soldering leg, the base does not need to be damaged, so that the mounting process of the soldering leg is simpler and more convenient.

[0056] In one technical solution of the application, before the mounting position of the soldering leg is determined on the base, the manufacturing method of the key further comprises: bending the metal plate to obtain the soldering leg blank.

[0057] Additional aspects and advantages of the application will be made apparent by the following description. BRIEF DESCRIPTION OF DRAWINGS

[0058] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, taken in conjunction with the following drawings in which:

[0059] Figure 1 A front view of a key according to one embodiment of the present application is shown;

[0060] Figure 2 A bottom view of a key according to one embodiment of the present application is shown;

[0061] Figure 3 A cross-sectional view of a key according to one embodiment of the present application is shown along A-A; Figure 2

[0062] A cross-sectional view of a key according to another embodiment of the present application is shown; Figure 4

[0063] A cross-sectional view of a key according to another embodiment of the present application is shown; Figure 5

[0064] A cross-sectional view of a key according to another embodiment of the present application is shown; Figure 6

[0065] A cross-sectional view of a key according to another embodiment of the present application is shown; Figure 7

[0066] A front view of a key according to another embodiment of the present application is shown; Figure 8

[0067] A bottom view of a key according to another embodiment of the present application is shown; Figure 9

[0068] A front view of a key according to another embodiment of the present application is shown; Figure 10

[0069] A bottom view of a key according to another embodiment of the present application is shown. Figure 11

[0070] Correspondence between reference numerals in the drawings and names of components is as follows: Figures 1 to 11

[0071] 10 base, 12 positioning portion, 20 soldering leg, 22 first body, 24 connecting portion, 26 second body, 30 pressing portion, 40 supporting portion. DETAILED DESCRIPTION

[0072] ​​In order to enable a more clear understanding of the above-mentioned objects, features and advantages of the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0073] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, however, the present application can also be implemented in other manners different from those described herein, and therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0074] The following refers to Figures 1 to 11 The key according to some embodiments of the present application is described.

[0075] In the first aspect of the present application, as shown in Figures 1 to 3 The present application provides a key, which comprises a base 10 and a soldering leg 20; the base 10 is provided with a positioning portion 12; the soldering leg 20 is arranged on the base 10 at the positioning portion 12, and the soldering leg 20 comprises a first body 22 and at least two second bodies 26, the first body 22 is attached to one side of the base 10, and the at least two second bodies 26 are clamped to the other side of the base 10.

[0076] In this embodiment, the soldering leg 20 can be directly clamped to the base 10 of the key, and the installation of the soldering leg 20 can be realized by mechanical processing, which can ensure that the soldering surface of the soldering leg 20 is free of residual materials, simplifies the manufacturing process of the key, and reduces the scrap rate of the key; the installation of the soldering leg 20 by mechanical processing makes the position, quantity, shape, size, etc. of the soldering leg 20 not affected by the forming process of the key, and also makes the installation position of the soldering leg 20 more flexible, which is suitable for the manufacturing of various models of keys and improves the universality of the soldering leg 20. The base 10 is provided with the positioning portion 12, and the soldering leg 20 is installed at the positioning portion 12, which makes the installation position of the soldering leg 20 more accurate and facilitates the operation of workers.

[0077] In one embodiment of the present application, as shown in Figure 3 and Figure 4 The positioning portion 12 is a positioning hole, which is a through hole or a blind hole; when the positioning portion 12 is a blind hole, the opening of the blind hole faces the first body 22.

[0078] In this embodiment, the positioning portion 12 is set as a positioning hole, which can effectively reduce the thickness of the base 10 at the position where the soldering leg 20 is arranged, so that the soldering leg 20 is subjected to smaller resistance during the process of being arranged in the base 10, thereby making the arrangement process of the soldering leg 20 more smooth and avoiding the deviation of the arrangement position of the soldering leg 20.

[0079] The positioning hole is a blind hole, and the opening of the blind hole faces the first body 22, so that the welding leg 20 is clamped behind the base 10, and the cooperation between the welding leg 20 and the base 10 is more compact, and the welding leg 20 is prevented from moving.

[0080] The positioning hole is a through hole, and the through hole can make the welding leg 20 have smaller resistance during the penetrating process, and further improve the accuracy of the position of the welding leg 20.

[0081] In an embodiment of the present application, as shown in Figure 3 and Figure 4 , the positioning hole is a wedge-shaped hole, a cylindrical hole or a tapered hole; when the positioning hole is a wedge-shaped hole or a tapered hole, the cross-sectional area of the positioning hole increases from the side of the at least two second bodies 26 to the side of the first body 22.

[0082] In this embodiment, the positioning hole is a wedge-shaped hole or a tapered hole, and the cross-sectional area of the positioning hole increases from the side of the at least two second bodies 26 to the side of the first body 22, so that the positioning hole has a guiding effect, thereby facilitating the welding leg 20 to penetrate the base 10; the positioning hole is a cylindrical hole, which is convenient to process and simplifies the production process of the base 10.

[0083] In an embodiment of the present application, the positioning part 12 is a positioning mark arranged on the top wall or the bottom wall of the base 10.

[0084] In this embodiment, the positioning mark is simple to process and does not damage the original structure of the base 10, thereby prolonging the service life of the key.

[0085] The positioning mark is a protrusion or a groove, the height of the protrusion is less than 0.5 mm, the depth of the groove is less than 0.5 mm, and the protrusion and the groove are in the shape of a line, a cross or a Chinese character.

[0086] The positioning mark is a mark printed or painted on the base 10.

[0087] In an embodiment of the present application, as shown in Figure 2 , the positioning part 12 is a plurality of positioning parts, which are symmetrically arranged with respect to the center of the base 10.

[0088] In this embodiment, the positioning part 12 is a plurality of positioning parts, which are symmetrically arranged with respect to the center of the base 10, so that the base 10 has no direction requirement during assembly, and the assembly process of the key is simplified.

[0089] The positioning part 12 is four positioning parts, which are quartered with respect to the center of the base 10, that is, one positioning part 12 is arranged every 90°.

[0090] The positioning part 12 is two positioning parts, which are arranged on opposite sides, that is, one positioning part 12 is arranged every 180°.

[0091] In one embodiment of the present application, the soldering leg 20 is arranged at the at least one positioning part 12.

[0092] In this embodiment, a plurality of positioning parts 12 can be arranged on the base 10, and the soldering leg 20 can be arranged on one or more of the positioning parts 12 as needed.

[0093] As shown in Figure 2 , the positioning parts 12 are four, and the soldering leg 20 is arranged on opposite two of the positioning parts 12.

[0094] The positioning parts 12 are two, and the soldering leg 20 is arranged on both of the positioning parts 12.

[0095] In one embodiment of the present application, as shown in Figure 3 , Figures 5 to 7 , the soldering leg 20 further comprises at least two connecting parts 24, one end of each of the at least two connecting parts 24 is connected with the first body 22, one end of each of the at least two second bodies 26 is connected with the other end of each of the at least two connecting parts 24, and the other end of one of the at least two second bodies 26 extends to the other second body 26, or the other end of one of the at least two second bodies 26 extends away from the other second body 26.

[0096] In this embodiment, the first body 22, the connecting part 24 and the second body 26 are connected in sequence to form the soldering leg 20, which simplifies the structure of the soldering leg 20 and enables the soldering leg 20 to be directly clamped on the base 10 of the key.

[0097] As shown in Figure 3 and Figure 5 , the other end of one of the at least two second bodies 26 extends to the other second body 26, and the first body 22 and the second body 26 can clamp the base to ensure that the soldering leg 20 is securely installed and prolong the service life of the key.

[0098] As shown in Figure 6 and Figure 7 , the other end of one of the at least two second bodies 26 extends away from the other second body 26, so that the cross section of the soldering leg 20 is in the shape of a few characters, and since the first body 22 and the second body 26 are respectively located on both sides of the connecting part 24, the stress on the base 10 of the key is more uniform, the deformation of the base 10 of the key is reduced, and the flatness of the soldering leg 20 is improved, so that the soldering leg 20 is more firmly in contact with the circuit board.

[0099] In one embodiment of the present application, as shown in Figure 2 , the base 10 is in the shape of a square.

[0100] In one embodiment of the present application, as shown inFigure 8 and Figure 9 As shown, the base 10 is rectangular in shape, and the buttons are piano keys.

[0101] In one embodiment of the present invention, such as Figure 10 and Figure 11 As shown, the base 10 is circular in shape.

[0102] The preferred embodiment is that the base 10 is square, rectangular or circular. Those skilled in the art should understand that the shape of the base 10 is not limited to square, rectangular or circular, but can also be triangular, pentagonal, hexagonal, etc. As long as the present invention can be realized, it should be within the protection scope of the present invention.

[0103] In one embodiment of the present invention, such as Figure 2 , Figure 8 and Figure 9 As shown, when the base 10 is a square or rectangle, the four corners of the base 10 are chamfered.

[0104] In one embodiment of the present invention, when the base 10 is square or rectangular, the four corners of the base 10 are rounded.

[0105] In this embodiment, when the base 10 is square or rectangular, the four corners of the base 10 are chamfered, which reduces the space occupied by the buttons after installation and makes the buttons more aesthetically pleasing.

[0106] In one embodiment of the present invention, such as Figure 1 As shown, the button also includes a support part 40, a pressing part 30, and a conductive contact; the support part 40 is connected to the base 10; the pressing part 30 is connected to the support part 40 and is located above the support part 40; the conductive contact is connected to the lower surface of the pressing part 30.

[0107] In the above embodiments, preferably, the included angle between the first body 22 and the second body 26 is greater than or equal to 0° and less than or equal to 5°.

[0108] In this embodiment, the included angle between the first body 22 and the second body 26 is 0° to 5°. When clamping the base 10 of the button, the deformation of the button base 10 is further reduced, thereby improving the flatness of the solder foot 20. Furthermore, the included angle between the first body 22 and the second body 26 is 0° to 5°, which also makes the contact between the solder foot 20 and the button base 10 more compact, and makes the connection between the solder foot 20 and the button base 10 more secure.

[0109] In one embodiment of the present invention, the number of at least two connecting portions 24 is the same as the number of at least two second bodies 26.

[0110] In the embodiment, the connecting portions 24 correspond to the second bodies 26 one by one, and each connecting portion 24 corresponds to one second body 26.

[0111] The number of the connecting portions 24 is two, the number of the second bodies 26 is two, and the included angle between the two connecting portions 24 is 180°.

[0112] The number of the connecting portions 24 is three, the number of the second bodies 26 is three, and the included angle between the two adjacent connecting portions 24 is 120°.

[0113] The number of the connecting portions 24 is four, the number of the second bodies 26 is four, and the included angle between the two adjacent connecting portions 24 is 90°.

[0114] In an embodiment of the present application, the first body 22, the at least two connecting portions 24 and the at least two second bodies 26 are in an integrated structure.

[0115] In the embodiment, by setting the first body 22, the at least two connecting portions 24 and the at least two second bodies 26 in an integrated structure, the manufacturing process of the soldering leg 20 is simplified, the strength of the soldering leg 20 is improved, and the reliability of the soldering leg 20 is ensured.

[0116] In an embodiment of the present application, the first body 22 or the at least two second bodies 26 is a metal soldering portion with solderability.

[0117] In the embodiment, by setting the first body 22 or the second body 26 as a metal soldering portion with solderability, the first body 22 or the second body 26 itself has solderability, the coplanarity of the soldering surface of the soldering leg 20 is improved, and the product quality is improved.

[0118] The soldering area of the first body 22 and the second body 26 is the same.

[0119] In an embodiment of the present application, the soldering leg 20 further comprises a soldering layer, and the soldering layer is wrapped on the outside of the first body 22 or the at least two second bodies 26.

[0120] In the embodiment, by setting the soldering layer, the material selection of the first body 22 or the second body 26 is more extensive, and the material cost of the soldering leg 20 is effectively reduced.

[0121] In the second aspect of the embodiment of the present application, the present application provides a manufacturing method of a key, comprising: setting a positioning portion 12 on a base 10 to determine the installation position of a soldering leg 20; installing a soldering leg 20 blank on the base 10 according to the installation position; and bending or fastening the soldering leg 20 blank to fix the soldering leg 20 blank on the base 10.

[0122] The manufacturing method of the key provided in the application realizes the positioning of the soldering leg 20 by determining the mounting position of the soldering leg 20 on the base 10, and then mounting the soldering leg 20 blank on the base 10 according to the mounting position, and after the mounting is completed, the part exceeding the upper surface of the base 10 is bent or fastened, so that the soldering leg 20 blank can be fixed on the base 10. The manufacturing method of the key simplifies the structure of the soldering leg 20, and compared with the two soldering leg 20 structures introduced in the related art, since the mounting of the soldering leg 20 can be realized by machining, the welding surface of the soldering leg 20 does not need to be protected when the key is machined, and the welding surface of the soldering leg 20 can be ensured to have no residual residues, the manufacturing process of the key is simplified, and the scrap rate of the key can be reduced; the mounting of the soldering leg 20 by machining also makes the mounting position of the soldering leg 20 more flexible, is suitable for the manufacturing of keys of various models, and improves the universality of the soldering leg 20. The base 10 is provided with the positioning part 12, and the soldering leg 20 is mounted at the positioning part 12, so that the mounting position of the soldering leg 20 is more accurate, and the operation of workers is facilitated.

[0123] The soldering leg 20 blank can also be fixed on the key base 10 by riveting.

[0124] The base 10 is formed by die casting, and the positioning part 12 is die cast on the base 10.

[0125] In an embodiment of the application, the mounting of the soldering leg 20 blank on the base 10 includes: press-fitting the soldering leg 20 blank on the base 10, so that the connecting part 24 of the soldering leg 20 penetrates through the base 10.

[0126] The soldering leg 20 blank is press-fitted on the base 10 by the pressure equipment, so that the mounting and fixing of the soldering leg 20 are realized, and the stability of the fixing of the soldering leg 20 is ensured.

[0127] The soldering leg 20 can directly abut against the side wall of the base 10 of the soldering leg 20, and then be bent, so that the mounting and fixing of the soldering leg 20 are realized. And during the mounting of the soldering leg 20, the base 10 does not need to be damaged, so that the mounting process of the soldering leg 20 is simpler and more convenient.

[0128] In an embodiment of the application, before the mounting position of the soldering leg 20 on the base 10 is determined, the manufacturing method of the key further includes: bending the metal plate to obtain the soldering leg 20 blank.

[0129] In the description of the application, the term "a plurality" means two or more, unless otherwise expressly specified. The terms "upper", "lower", and the like, indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only used to facilitate the description of the application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. The terms "connected", "mounted", "fixed" and the like should be understood broadly, for example, "connected" can be fixed connection, can also be detachable connection, or integral connection; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0130] In the description of the application, the terms "one embodiment", "some embodiments", "a specific embodiment" and the like are intended to mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0131] The above is only the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A key, characterized in that The application relates to a key, which comprises a base provided with a positioning part, a soldering leg provided on the base at the positioning part, the soldering leg comprising a first body and at least two second bodies, the first body being attached to one side of the base, and the at least two second bodies being connected to the other side of the base, wherein the soldering area of the first body is the same as that of the second body, the positioning part is a positioning hole, the positioning hole is a through hole or a blind hole, when the positioning part is a blind hole, the opening of the blind hole faces the first body, the positioning hole is a wedge-shaped hole, a cylindrical hole or a conical hole, when the positioning hole is a wedge-shaped hole or a conical hole, the cross-sectional area of the positioning hole increases from one side of the at least two second bodies to the first body, the soldering leg further comprises at least two connecting parts, one end of each of the at least two connecting parts is connected to the first body, one end of each of the at least two second bodies is connected to the other end of each of the at least two connecting parts, and the other end of one of the at least two second bodies extends to the other second body or extends away from the other second body.

2. The key according to claim 1, wherein the positioning part is a positioning mark provided on the top wall or the bottom wall of the base.

3. The key according to claim 1, wherein the positioning part is multiple and is symmetrically arranged with respect to the center of the base.

4. The key according to claim 3, wherein the soldering leg is arranged at at least one of the positioning parts.

5. The key according to claim 1, wherein the base is square, rectangular or circular.

6. The key according to claim 5, wherein when the base is square or rectangular, the four corners of the base are chamfered or rounded. The application further relates to a key, which comprises a base provided with a positioning part, a soldering leg provided on the base at the positioning part, the soldering leg comprising a first body and at least two second bodies, the first body being attached to one side of the base, and the at least two second bodies being connected to the other side of the base, wherein the soldering area of the first body is the same as that of the second body, the positioning part is a positioning hole, the positioning hole is a through hole or a blind hole, when the positioning part is a blind hole, the opening of the blind hole faces the first body, the positioning hole is a wedge-shaped hole, a cylindrical hole or a conical hole, when the positioning hole is a wedge-shaped hole or a conical hole, the cross-sectional area of the positioning hole increases from one side of the at least two second bodies to the first body, the soldering leg further comprises at least two connecting parts, one end of each of the at least two connecting parts is connected to the first body, one end of each of the at least two second bodies is connected to the other end of each of the at least two connecting parts, and the other end of one of the at least two second bodies extends to the other second body or extends away from the other second body, a support part connected to the base, a pressing part connected to the support part and located above the support part, and a conductive contact connected to the lower surface of the pressing part. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 7. The key according to any one of claims 1 to 6, characterized in that ​ ​ ​ ​

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