Switch structure

Abstract

The utility model discloses a switch structure, and belongs to the field of electrical switches. The device comprises a shell and a button movably arranged at the upper end of the shell. The shell comprises a shell base and a side cover, the shell base is provided with a hollow inner cavity, an upper opening is formed in the upper end of the hollow inner cavity, a side opening is formed in one side of the hollow inner cavity, a side baffle is arranged above the side opening, and the two ends of the side baffle are connected with the corresponding ends of the shell base into a whole; pivot joint holes are formed in the corresponding positions of the side baffle and the side wall of the shell base, the button is installed in the upper opening, and pivot joint shafts matched with the pivot joint holes are arranged on the button. The side cover is fixedly connected with the shell and seals the side opening. According to the utility model, the switch structure is optimized in design, convenient to assemble and good in structural rationality.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric switch technical field, and specifically relates to a switch structure. BACKGROUND

[0002] At present, the button switch shell on the market mostly adopts the structure of integral molding. This structure has advantages in mechanical strength and sealing, but also has obvious disadvantages. First, because the internal space of the shell is relatively small, the assembly personnel is very tedious when assembling electronic components and other components into the shell, which not only increases the assembly difficulty, but also easily causes damage to the components in the assembly process, thereby reducing the yield of products. In addition, with the miniaturization trend of electronic products, the size of the button switch is also continuously reduced, but the shell structure of integral molding further aggravates the tension of the internal assembly space while meeting the miniaturization, especially some electronic components that need to be precisely assembled, such as contact pieces, contact springs, etc. The technical requirements for operators are relatively high in the assembly process, and slight carelessness may cause abnormal switch function. In order to solve the above technical problems, the prior art scheme mostly adopts the method of optimizing the assembly process or using special tools to assist the assembly, but these methods still cannot fundamentally solve the assembly difficulty caused by the small space. SUMMARY

[0003] In view of this, the utility model aims to provide a switch structure which is beneficial to the assembly of internal components of the switch by optimizing the shell structure.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] The utility model provides a switch structure, which comprises a shell and a button movably arranged on the upper end of the shell; the shell comprises a shell seat and a side cover, the shell seat has a hollow inner cavity, an upper part is provided with an upper opening on the upper end of the hollow inner cavity, a side part is provided with a side opening on one side of the hollow inner cavity, a side baffle is arranged above the side opening, and the side baffle is integrally connected with the corresponding end of the shell seat at both ends; the side baffle and the side wall of the shell seat are provided with a pivot hole at the corresponding position; the button is arranged in the upper opening, and a pivot shaft matched with the pivot hole is arranged on the button; and the side cover is fixedly connected with the shell and seals the side opening.

[0006] Preferably, an avoiding notch is arranged on the outer side of the side baffle, a limiting flange is arranged on the edge of the avoiding notch, and the upper end of the side cover is provided with a buckle plate which extends into the avoiding notch and abuts against the limiting flange from the outside.

[0007] Preferably, the area of the side opening accounts for more than two-thirds of the area of the corresponding side surface of the shell seat.

[0008] Preferably, the bottom of the hollow inner cavity is provided with a through hole communicating with the outside, and the through hole is a tapered hole with a large inner diameter and a small outer diameter.

[0009] Preferably, the side surface of the shell base and the side cover is provided with a through hole for passing the electrically connecting pin, and the through hole communicates with the hollow inner cavity.

[0010] Preferably, the opposite ends of the shell base are provided with outwardly protruding lugs, and the lugs are provided with fixing holes.

[0011] Preferably, the hollow inner cavity is provided with a support table facing the side cover, and the inner side surface of the side cover abuts against the support table when the side cover is fixed to the shell base.

[0012] Preferably, the support table is provided with a locking hole penetrating through the shell base, the side opposite to the side cover of the shell base is provided with a groove around the locking hole, the side cover is provided with a plug column at a position corresponding to the locking hole, the plug column penetrates through the locking hole and forms a limiting end head accommodated in the groove at the end thereof by hot riveting.

[0013] Preferably, the side cover is provided with a limiting block protruding into the hollow inner cavity.

[0014] The utility model discloses have the positive effect, the utility model discloses through the optimization design to switch structure, can be convenient for the assembly of switch internal component, thereby is favorable to improve assembly efficiency, and improve product quality, specifically through the original integral type shell adjustment is split assembly structure, specifically adopts the mode of shell base and side cover combination, and sets up upper open mouth and side open mouth, thereby provides greater operating space for the loading of internal component, simplifies the assembly process, reduces assembly difficulty, improves production efficiency and product yield. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following briefly introduces the drawings needed to be used in the specific embodiment or the prior art description. Similar elements or parts in the drawings are generally identified by similar reference numerals. The elements or parts in the drawings are not necessarily drawn according to the actual proportion.

[0016] Figure 1 It is a perspective view of the switch structure in the utility model;

[0017] Figure 2 It is a perspective view of the switch structure in the utility model from another angle;

[0018] Figure 3 It is an explosion view of the switch structure in the utility model;

[0019] Figure 4 It is an explosion view of the switch structure in the utility model from another angle.

[0020] The figure shows the following reference signs: 1, housing; 11, housing base; 111, hollow inner cavity; 112, upper opening; 113, side opening; 114, side baffle; 1141, avoiding notch; 1142, limiting flange; 115, pivot hole; 116, through hole; 117, locking hole; 118, through hole; 119, lug; 1191, fixing hole; 1110, support table; 12, side cover; 121, buckle plate; 13, recess; 14, insertion column; 15, limiting block; 2, button; 21, pivot shaft. DETAILED DESCRIPTION

[0021] The embodiments of the technical scheme of the utility model are described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, thus only as an example, and cannot limit the protection scope of the utility model.

[0022] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be the usual meaning understood by the technical personnel in the field to which the utility model belongs.

[0023] The switch structure of the embodiment of the utility model is shown in Figures 1 to 4 The button switch, the inside of the housing 1 is usually provided with static conductor, dynamic conductor, reset spring and other components; the switch realizes conduction by pressing the button 2 and then touching the static conductor and the dynamic conductor, and realizes open circuit by separating the dynamic conductor and the static conductor, the structure adopts the conventional structure of the button switch, which is the prior art. The housing 1 comprises a housing base 11 and a side cover 12, the housing base 11 has a hollow inner cavity 111, and an upper opening 112 is arranged at the upper end of the hollow inner cavity 111, a side opening 113 is arranged at one side of the hollow inner cavity 111, a side baffle 114 is arranged above the side opening 113, and the side baffle 114 is integrally connected with the corresponding end of the housing base 11 at both ends; the side baffle 114 and the side wall of the housing base 11 are provided with pivot holes 115 at the corresponding positions, the button 2 is arranged in the upper opening 112, and a pivot shaft 21 matched with the pivot holes 115 is arranged on the button 2; the side cover 12 is fixedly connected with the housing 1 and closes the side opening 113. In the embodiment, the switch structure is optimized and designed, which can facilitate the assembly of the internal components of the switch, thereby improving the assembly efficiency and the product quality; specifically, the original integral housing is adjusted to a split assembly structure, the housing base 11 and the side cover 12 are combined, and the upper opening 112 and the side opening 113 are arranged, thereby providing a larger operation space for the assembly of the internal components, simplifying the assembly process, reducing the assembly difficulty, improving the production efficiency and the product yield.

[0024] As Figure 1 andFigure 3 As shown, the side baffle 114 is provided with an avoiding gap 1141 on the outer side thereof, and the edge of the avoiding gap 1141 is provided with a limiting flange 1142. The upper end of the side cover 12 is provided with a clamping plate 121 which extends into the avoiding gap 1141 and abuts against the limiting flange 1142 from the outside. The avoiding gap 1141 can avoid the components in the shell 1, so as to facilitate the installation of the related components. In addition, the cooperation between the clamping plate 121 and the limiting flange 1142 can effectively enhance the limiting effect of the side cover 12 on the side baffle 114, improve the stability of the structure, and further ensure the reliability of the installation of the button 2.

[0025] Further, it is preferred that the area of the side opening 113 accounts for more than two-thirds of the corresponding side area of the shell base 11. In this way, the size of the side opening 113 is significantly increased, which provides more abundant operation space for the installation and adjustment of the internal components, further simplifies the assembly process, and reduces the assembly difficulty.

[0026] Referring to Figure 3 , in order to facilitate the heat dissipation in the shell 1 and prevent dust from entering the shell 1, the bottom of the hollow inner cavity 111 is provided with a through hole 116 which is in communication with the outside. The through hole 116 is a tapered hole with a large inner diameter and a small outer diameter. In use, the heat generated in the shell 1 can be smoothly guided and discharged out of the shell 1 through the through hole 116. Since the outer diameter of the through hole 116 is small, the dust can be prevented from entering the shell 1 to a certain extent.

[0027] As shown in the drawings, Figures 1 to 4 , the shell base 11 and the side cover 12 are provided with through holes 118 for the electrical connecting pins. The through holes 118 are in communication with the hollow inner cavity 111. In the assembly process, the electrical connecting pins of the external lines of the switch and the internal static conductor of the switch are arranged in the through holes 118.

[0028] As shown in the drawings, Figure 3 , in order to realize the reliable installation of the switch, the shell base 11 is provided with protruding lugs 119 at opposite ends thereof. The lugs 119 are provided with fixing holes 1191. In the installation of the switch, the fasteners (such as screws) are used to cooperate with the fixing holes 1191 to realize the fixation of the switch.

[0029] As shown in the drawings, Figure 3 , in order to improve the pressure resistance of the side cover 12, a support table 1110 is further arranged in the hollow inner cavity 111 and faces the side cover 12. When the side cover 12 is fixed to the shell base 11, the inner side of the side cover 12 abuts against the support table 1110. In actual production, the side cover 12 can be fixedly connected to the shell base 11 by ultrasonic welding.

[0030] As a specific embodiment, in combination with Figure 2 andFigure 4 As shown, the support platform 1110 is provided with locking holes 117 penetrating the shell base 11, and the shell base 11 is provided with a groove 13 around the locking holes 117 on the side opposite to the side cover 12, and the side cover 12 is provided with a plug post 14 at the position corresponding to the locking holes 117, the plug post 14 penetrates the locking holes 117 and forms a limiting end at the end thereof which is accommodated in the groove 13, so that the limiting end is buckled in the groove 17 to realize the fixed connection between the side cover 12 and the shell base 11, and the side of the shell base 11 remains flat. The structure can firmly fix the shell base 11 and the side cover 12, and the number of the locking holes 117 and the plug posts 14 can be two, three or four to ensure the reliability of the fixed connection between the shell base 11 and the side cover 12.

[0031] As shown in the drawings, the side cover 12 is provided with a limiting block 15 protruding towards the hollow inner cavity 111, and the limiting block 15 extends into the hollow inner cavity 111 to block and limit the components such as springs, movable conductive sheets and the like accommodated in the hollow inner cavity 111, so as to ensure the stability of the installation of the components. Figure 4

[0032] For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. The changes or variations which belong to the substantial spirit of the present application and are extended obviously still belong to the protection scope of the present application.​

Claims

1. A switch structure comprising a housing (1) and a push button (2) movably arranged at the upper end of the housing (1); characterized in that, The shell (1) comprises a shell base (11) and a side cover (12), the shell base (11) has a hollow inner cavity (111), an upper opening (112) is arranged at the upper end of the hollow inner cavity (111), a side opening (113) is arranged at one side of the hollow inner cavity (111), a side baffle (114) is arranged above the side opening (113), and both ends of the side baffle (114) are integrally connected with the corresponding ends of the shell base (11); the side baffle (114) and the side wall of the shell base (11) are provided with a pivot hole (115) at the corresponding positions; the button (2) is arranged in the upper opening (112), and a pivot shaft (21) is arranged on the button (2) and matched with the pivot hole (115); and the side cover (12) is fixedly connected with the shell (1) and covers the side opening (113).

2. The switch fabric of claim 1, wherein, An avoiding notch (1141) is arranged on the outer side of the side baffle (114), a limiting flange (1142) is arranged at the edge of the avoiding notch (1141), and the upper end of the side cover (12) has a buckling plate (121) which extends into the avoiding notch (1141) and abuts against the limiting flange (1142) from the outside.

3. The switch fabric of claim 1, wherein, The area of the side opening (113) accounts for more than two-thirds of the area of the corresponding side of the shell base (11).

4. The switch fabric of claim 1, wherein, A through hole (116) which is in communication with the outside is arranged at the bottom of the hollow inner cavity (111), and the through hole (116) is a tapered hole with a large inner diameter and a small outer diameter.

5. The switch fabric of claim 1, wherein, Perforations (118) for the electric connecting pins are arranged on the side of the shell base (11) and the side cover (12), and the perforations (118) are in communication with the hollow inner cavity (111).

6. The switch fabric of claim 1, wherein, Protruding lugs (119) are arranged at the opposite ends of the shell base (11), and fixing holes (1191) are arranged on the lugs (119).

7. The switch fabric of claim 1, wherein, A support table (1110) is arranged in the hollow inner cavity (111) and faces the side cover (12), and the inner side of the side cover (12) abuts against the support table (1110) when the side cover (12) is fixed on the shell base (11).

8. The switch fabric of claim 7, wherein, A locking hole (117) which penetrates the shell base (11) is arranged on the support table (1110), a groove (13) is arranged around the locking hole (117) on the side of the shell base (11) which faces away from the side cover (12), an insertion column (14) is arranged on the side cover (12) at the position corresponding to the locking hole (117), the insertion column (14) penetrates the locking hole (117) and forms a limiting end at the end thereof which is accommodated in the groove (13) by hot riveting.

9. The switch fabric of claim 1, wherein, A limiting block (15) which protrudes towards the hollow inner cavity (111) is arranged on the side cover (12).

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