Large-stroke waterproof microswitch structure

Abstract

The utility model discloses a large-stroke waterproof microswitch structure which comprises a base, the upper end of the base is provided with a rubber shell, a COM terminal, an NO terminal and an NC terminal are arranged in the base from left to right side by side in a penetrating mode, the upper end of the COM terminal is coupled with the first end of a moving plate transversely arranged on one side of the COM terminal, and the other side of the upper end of the COM terminal is provided with a supporting rod. The first end of the supporting rod is coupled with the COM terminal, a spring is connected between the supporting rod and the moving plate, the upper ends of the NO terminal and the NC terminal are arranged up and down, the opposite surfaces are provided with static contacts, the second end of the moving plate is provided with a moving contact and extends between the upper ends of the NO terminal and the NC terminal, the upper end of the rubber shell is provided with a pressing spring in a penetrating manner, and the lower end of the pressing spring is coupled with the second end of the supporting rod. The outer side of the pressing part is sleeved with a sealing sleeve, the upper end of the sealing sleeve is clamped with a circle of groove in the outer side of the pressing part, and the edge of the lower end of the sealing sleeve is clamped with a clamping groove in the upper end of the rubber shell. The microswitch can solve the problem that the stroke of an existing microswitch is not large enough.

Description

TECHNICAL FIELD

[0001] The utility model relates to microswitch technical field, concretely is a big stroke waterproof microswitch structure. BACKGROUND

[0002] The current industry same type microswitch stroke is not enough big, and the waterproof structure of the existing microswitch according to the position of the press and the sealing ring generally adopts single tight fit and point adhesive structure to protect, and the cost of this type scheme is high, and the waterproof effect is not ideal, the hinge point design of the conventional structure moving vane and support rod is on different parts, the stroke of the same type microswitch on the market is generally about 2mm, which cannot meet the market demand of large stroke application. CONTENT OF THE UTILITY MODEL

[0003] The utility model provides a big stroke waterproof microswitch structure can solve the problem of the existing microswitch stroke is not enough big.

[0004] In order to realize the above object, the utility model provides the following technical scheme: a big stroke waterproof microswitch structure, the upper end of the base is equipped with the glue shell, the inside of the base is equipped with COM terminal, NO terminal and NC terminal from left to right and passes through, the first end of the moving vane that is laterally arranged on the one side of the upper end of COM terminal is coupled, the upper end of COM terminal is equipped with the support rod on the other side, the first end of the support rod is coupled with COM terminal, the spring is connected between the support rod and the moving vane, the upper end of NO terminal and NC terminal is arranged in an up-down mode, and the static contact is installed on the opposite surface, the second end of the moving vane is equipped with the moving contact and extends into the upper end between NO terminal and NC terminal, the upper end of the glue shell is equipped with the press, the lower end of the press is coupled with the second end of the support rod, the outer side of the press is equipped with the sealing sleeve, the upper end of the sealing sleeve is clamped with the groove on the outer side of the press, the lower end edge of the sealing sleeve is clamped with the clamping groove on the upper end of the glue shell, the moving vane and the support rod are connected with COM terminal, COM terminal plays the role of intermediate transition, when the press drives the second end of the support rod to move down, the second end of the moving vane can be moved, and the stroke is relatively large, so the large stroke switch can be realized.

[0005] As preferred, the upper end side wall of COM terminal is equipped with the limiting clamping groove, the first end of the moving vane is embedded in the limiting clamping groove, and the first end of the moving vane can not move through the embedding of the moving vane and the limiting clamping groove, only the second end can move.

[0006] As preferred, the two side edges of the COM terminal are provided with limiting grooves, and the first end of the supporting rod is provided with limiting arms which extend into the limiting grooves and can move within a certain range without deviation of the supporting rod.

[0007] As preferred, the upper end of the COM terminal is centrally provided with a U-shaped groove, and the spring extends through the U-shaped groove, so that the movement of the spring is limited.

[0008] As preferred, the recess on the pressing piece and the clamping groove on the glue shell are internally provided with convex ribs in triangular section, the convex ribs are in contact with the sealing sleeve, and the triangular convex ribs can improve the installation sealing degree and firmness of the two ends of the sealing sleeve.

[0009] As preferred, the bottom of the base is filled with sealing glue at positions matched with the COM terminal, the NO terminal and the NC terminal, and the sealing glue can improve the sealing property of the combination between the COM terminal, the NO terminal, the NC terminal and the base.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] The simple structure, the technical scheme that the moving piece and the supporting rod are connected with the COM terminal, the COM terminal plays the role of intermediate transition, the second end of the moving piece can be moved when the second end of the supporting rod is driven downward by the pressing piece, and the stroke is relatively large, so that a large-stroke switch can be realized, the triangular convex ribs can improve the installation sealing degree and firmness of the two ends of the sealing sleeve, and hot riveting is adopted for the glue dispensing. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional assembly structure diagram of the utility model;

[0013] Figure 2 It is a three-dimensional exploded state schematic view of the utility model;

[0014] Figure 3 It is a front view cross-sectional structure diagram of the utility model;

[0015] Figure 4 It is Figure 3 the enlarged structure diagram of A;

[0016] Figure 5 It is a cooperation state structure diagram of the moving piece, the supporting rod and the COM terminal of the utility model;

[0017] Figure 6 It is a structure diagram of the supporting rod of the utility model;

[0018] Figure 7The utility model discloses a COM terminal structure diagram.

[0019] Figure 8 The utility model discloses a moving piece structure diagram. DRAWINGS

[0021] 1, according to the, 11, base, 2, sealing sleeve, 21, the bead, 22, the slot, 23, the recess, 4, the glue shell, 5, moving piece, 6, NC terminal, 62, static contact, 7, NO terminal, 8, support rod, 81, limit arm, 9, spring, 10, COM terminal, 102, limit slot, 103, U-shaped groove, 104, limit recess. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] As Figures 1-8 The utility model discloses a COM terminal structure diagram. As shown in the drawing, in order to solve the problem of insufficient stroke of the existing microswitch, a large-stroke waterproof microswitch structure is provided, which comprises a base 11, the upper end of the base 11 is provided with a glue shell 4, the inside of the base 11 is provided with a COM terminal 10, a NO terminal 7 and a NC terminal 6 from left to right, the upper end of the COM terminal 10 is coupled with the first end of a moving piece 5 arranged transversely on one side of the COM terminal 10, the upper end of the COM terminal 10 is provided with a support rod 8 on the other side, the first end of the support rod 8 is coupled with the COM terminal 10, a spring 9 is connected between the support rod 8 and the moving piece 5, the upper ends of the NO terminal 7 and the NC terminal 6 are arranged in an up-down manner, and a static contact 62 is arranged on the opposite surface, the second end of the moving piece 5 is provided with a dynamic contact 52 and extends into the upper end between the NO terminal 7 and the NC terminal 6, the upper end of the glue shell 4 is provided with a press 1, the lower end of the press 1 is coupled with the second end of the support rod 8, the outer side of the press 1 is provided with a sealing sleeve 2, the upper end of the sealing sleeve 2 is clamped with a groove 23 on the outer side of the press 1, the lower end edge of the sealing sleeve 2 is clamped with a slot 22 on the upper end of the glue shell 4, the moving piece 5 and the support rod 8 are connected with the COM terminal 10, the COM terminal 10 plays a role of intermediate transition, when the press 1 drives the second end of the support rod 8 to move downward, the second end of the moving piece 5 can be moved, and the stroke is relatively large, so that the large-stroke switch can be realized.

[0024] Specifically, the base 11 is made of plastic material, the COM terminal 10, the NO terminal 7 and the NC terminal 6 can be fixed and then injection molded, the moving piece 5 and the support rod 8 can be arranged in the space between the glue shell 4 and the base 11, and the demand of large stroke can be met.

[0025] The gap between the presser 3 and the glue shell 4 is sealed by arranging the sealing sleeve 2, the sealing sleeve 2 is fixed through the groove 23 and the clamping groove 22, and the sealing sleeve 2 is more firm, wherein the lower end of the sealing sleeve 2 is clamped into the clamping groove 22, and the glue shell 4 can be provided with a turnover riveting part to press and fix the lower end edge of the sealing sleeve 2.

[0026] When the presser 1 is pressed, a downward thrust is applied to the second end of the supporting rod 8, the moving piece 5 is swung around the COM terminal 10 through the spring 9, and the switching conduction of the moving contact 52 and the static contact 62 is realized.

[0027] In the embodiment, the upper end side wall of the COM terminal 10 is provided with a limiting clamping groove 102, the first end of the moving piece 5 is embedded in the limiting clamping groove 102, and the first end of the moving piece 5 cannot move through the embedding of the moving piece 5 and the limiting clamping groove 102, and only the second end can move. The two side edges of the COM terminal 10 are provided with limiting grooves 104, and the first end of the supporting rod 8 is provided with limiting arms 81 embedded into the limiting grooves 104, and the limiting arms 81 can move within a certain range when embedded into the limiting grooves 104 on both sides of the COM terminal 10, and the supporting rod 8 cannot be deviated.

[0028] In the embodiment, as shown in the figure, Figure 6 The upper end of the COM terminal 10 is centrally provided with a U-shaped groove 103, and the spring 9 passes through the U-shaped groove 103, and the U-shaped groove 103 can limit the movement of the spring 9.

[0029] In the embodiment, as shown in the figure, Figure 4 The groove 23 on the presser 1 and the clamping groove 22 on the glue shell 4 are both provided with protruding ribs 21 in triangular cross section, the protruding ribs 21 are in contact with the sealing sleeve 2, and the installation sealing degree and firmness of the two ends of the sealing sleeve 2 can be improved by arranging the triangular protruding ribs 21.

[0030] As shown in the figure, Figure 3 The bottom of the base 11 is filled with sealing glue 12 at positions matched with the COM terminal 10, the NO terminal 7 and the NC terminal 6, and the sealing glue 12 can improve the sealing property of the combination between the COM terminal 10, the NO terminal 7, the NC terminal 6 and the base 11.

[0031] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0032] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description and cannot be understood as indicating or implying the relative importance of the technical features or implying the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0033] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixing" and the like should be understood broadly, for example, "fixing" can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] In addition, the technical solutions of each embodiment of the present application can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.

Claims

1. A large travel waterproof micro switch structure, characterized in that, The utility model relates to a kind of button cell battery, including: Base (11), the upper end of the base (11) is equipped with rubber shell (4), the inside of the base (11) is equipped with COM terminal (10), NO terminal (7) and NC terminal (6) from left to right side by side, the first end of the upper end of the COM terminal (10) is coupled with the dynamic sheet (5) laterally arranged on its side, the upper end of the COM terminal (10) is equipped with support rod (8) on the other side, the first end of the support rod (8) is coupled with COM terminal (10), spring (9) is connected between the support rod (8) and dynamic sheet (5), the upper end of the NO terminal (7) and NC terminal (6) is arranged in an up-down manner, and static contact (62) is mounted on the opposite surface, the second end of the dynamic sheet (5) is equipped with dynamic contact (52) and extends into the upper end between NO terminal (7) and NC terminal (6), the upper end of the rubber shell (4) is equipped with press (1), the lower end of the press (1) is coupled with the second end of the support rod (8), the outer side of the press (1) is equipped with sealing sleeve (2), the upper end of the sealing sleeve (2) is clamped with a groove (23) on the outer side of the press (1), and the lower end edge of the sealing sleeve (2) is clamped with the clamping groove (22) on the upper end of the rubber shell (4).

2. The structure of waterproof microswitch with large stroke according to claim 1, characterized in that: The upper end side wall of the COM terminal (10) is equipped with limiting clamping groove (102), and the first end of the dynamic sheet (5) is embedded in limiting clamping groove (102) for limiting.

3. The structure of waterproof microswitch with large stroke according to claim 2, characterized in that: The two side edges of the COM terminal (10) are equipped with limiting groove (104), and the first end of the support rod (8) is equipped with limiting arm (81) embedded in limiting groove (104) side by side.

4. The structure of waterproof microswitch with large stroke according to claim 2, characterized in that: The upper end of the COM terminal (10) is equipped with U-shaped groove (103) in the middle, and the spring (9) passes through the U-shaped groove (103).

5. The structure of waterproof microswitch with large stroke according to claim 1, characterized in that: The groove (23) on the press (1) and the clamping groove (22) on the rubber shell (4) are both equipped with convex rib (21) with triangular cross section inside, and the convex rib (21) is in contact with the sealing sleeve (2).

6. The structure of waterproof microswitch with large stroke according to claim 1, characterized in that: The bottom of the base (11) is filled with sealant (12) at the position matched with the COM terminal (10), the NO terminal (7) and the NC terminal (6).

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