CN216849738U

CN216849738U - High-protection tact switch

Info

Publication number: CN216849738U
Application number: CN202220571435.1U
Authority: CN
Inventors: 徐君辉
Original assignee: Wenzhou Kanghong Electronic Co ltd
Current assignee: Wenzhou Kanghong Electronic Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-06-28
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a high-protection light-touch switch, which comprises a base, a protection gland, a reed and a silica gel handle, wherein the base is provided with an inner cavity and a pin terminal, the pin terminal is provided with a contact I and a contact II, the outer side of the base is also provided with a protrusion hook, the center of the protrusion surface of the reed is butted on the silica gel handle, the protection gland is fixed relative to the base through the matching of an embedding ring and the protrusion hook, and the outer side extending end of the silica gel handle, which is just opposite to the reed part, is provided with a pressing block; the utility model discloses a dab switch, prior art sets up compact structure and accomplishes the reed and press the break-make effect relatively, sets up the butt platform and the butt lip limit of relative thickness, through the extrusion design of inside waterproof circle and silica gel handle, reaches IP 67's waterproof grade evaluation at least, has good barrier propterty, and thicker lateral wall has also promoted the structural strength of product, makes it be more difficult to produce the gap between the subassembly in the use, the utility model discloses a product also has compact structure, and the preparation is convenient, and the cost is practiced thrift, characteristics such as protective nature is strong.

Description

High-protection tact switch

Technical Field

The utility model relates to an electronic component technical field, concretely relates to high protection dabs switch.

Background

The light touch switch is widely applied to control panels of household appliances and industrial electronic instruments as a common electronic component, particularly, household appliances and instruments such as electronic scales, washing machines, smoke exhaust ventilators, electric cookers and the like can contact water, dust and oil stains when in use, and after the dirt enters the light touch switch, the dirt can corrode contacts and reeds in the switch, so that the switch is in poor contact and short circuit to cause the problem that the relevant appliances and instruments cannot be normally used for a long time. Reach the effect of certain waterproof dustproof grease proofing dirt, however, current switch often leads to waterproof switch to dabber the switch in the use because the wall of upper and lower cover looks butt is very thin, because expend with heat and contract with cold and in addition the assembly process produces reasons such as stress and can make and produce between upper cover body and the lower base not hard up, forms the gap, makes water and greasy dirt can enter into between the metal reed and each fixed point of lower base concave part fix a touch, and causes the problem such as switch short circuit.

The present invention has been devised in view of such a background.

SUMMERY OF THE UTILITY MODEL

In view of the prior art, an object of the utility model is to provide a dab switch with compact inner structure design, should improve structural design and realize compact internal layout, reserve bigger space user and seal and keep apart for this product has compact structure, and the preparation is convenient, and the cost is practiced thrift, characteristics effects such as protectiveness is strong.

In order to realize the above purpose, the utility model discloses a technical scheme be: a high-protection tact switch comprises a base, a protection gland, a reed and a silica gel handle, wherein the base is provided with an inner cavity, the inner cavity is also provided with a pin terminal which is communicated with the inner cavity and is externally used by the base and is electrically connected with the circuit board, the pin terminal is provided with a contact I and a contact II which are raised relative to the bottom of the inner cavity at the bottom of the inner cavity, the outer side of the base is also provided with a convex hook, the reed is arranged in the inner cavity, the center of the concave surface of the reed is opposite to the first contact at intervals, the edge of the reed is abutted against the second contact, the center of the convex surface of the reed is abutted against the silica gel handle, the protective gland is provided with a via hole and an embedded ring, the protective gland is fixed relative to the base through the matching of the embedded ring and the convex hook, and centre gripping silica gel handle, the silica gel handle just sets up according to the briquetting to the outside extension end of reed part, according to the briquetting and expose the protection gland through the via hole and set up outward.

As a further arrangement of the above scheme, a waterproof ring is arranged at the end part of one end of the base facing the protective gland, the inner ring of the waterproof ring is an inner cavity, and the outer ring is provided with a butting platform.

As a further arrangement of the scheme, a groove matched with the waterproof ring is formed in the silica gel handle, a step surface is further arranged at the bottom of the waterproof ring relative to the inner cavity, and a convex surface matched with the step surface is arranged on one side, close to the inside, of the groove.

As a further setting of above-mentioned scheme, be provided with the butt lip limit with butt platform unidimensional on the silica gel handle, the butt lip limit is provided with the protruding limit in relative protection gland four sides department, the protection gland is provided with the clamp plate.

As a further setting of above-mentioned scheme, the silica gel handle adopts the silica gel material preparation, the press block of silica gel handle is provided with the lug towards just extending the reed direction, the lug is used for butt reed towards the center of the bellied arch profile of silica gel handle.

As a further arrangement of the above scheme, a side wing of the protective gland, on which the embedded ring is formed, is provided with a bending portion, and the bending portion can be bent relative to the protective gland body.

As a further arrangement of the above scheme, the number of the second contacts is two, the protruding interval of the two second contacts is matched with the diameter of the reed, and the bottommost part of the reed is abutted against the second contacts.

Has the advantages that: compared with the prior art, the tact switch realizes compact structure to complete reed pressing on-off effect by improving the internal structure, and is provided with a relatively thick abutting table and an abutting lip edge, the abutting lip edge is tightly attached to the abutting table top of the base by clamping the protective gland and the base to improve the sealing property, so that the product of the embodiment has high protective performance, in addition, the silica gel handle and the base are provided with matched convex annular edges and step surface matching structures to further improve the isolation effect between the outside and the inner cavity, the waterproof ring convexly arranged on the end surface of the base is matched with the silica gel handle to achieve I P67 waterproof grade, the protective performance of the product is improved, the thicker solid side wall reserved based on the compact internal structure design greatly improves the structural strength of the product, and the product is not easy to generate gaps in the use process, this practicality constitutes gomphosis ring block protruding through the portion of bending and colludes the realization fixed, and is relatively current more convenient durable, and the process flow is also more convenient, and the silica gel handle receives the extrusion of protection gland and the advantage of the situation warp, forms stronger sealed condition with the waterproof circle cooperation to need not to increase extra sealing washer isotructure again, simplified the structure of this embodiment product and formed, this embodiment product has compact structure, and the preparation is convenient, and the cost is practiced thrift, characteristics effects such as protective nature is strong.

Drawings

Fig. 1 is a schematic view of the tact switch of the present invention.

Fig. 2 is a schematic diagram of the explosion expansion structure of the tact switch of the present invention.

Fig. 3 is a schematic view of the base structure of the present invention.

Reference numerals: 1. a base; 16. a waterproof ring; 17. a butting table; 18. a step surface; 2. a reed; 3. a silica gel handle; 31. abutting the lip edge; 32. a pressing block; 33. a projecting edge; 4. a protective gland; 41. embedding a ring; 42. a via hole; 43. a bending part; 44. pressing a plate; 6. a pin terminal; 61. a first contact; 62. a second contact; 63. and (4) a convex hook.

Detailed Description

In order to clearly understand the above objects, features and advantages of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.

As shown in fig. 1-3, a high-protection tact switch comprises a base 1, a protection gland 4, a reed 2 and a silica gel handle 3, wherein the base 1 has an inner cavity and a waterproof ring 16 is arranged on an abutting surface of the inner cavity, an inner cavity for placing a key body is arranged in the base 1 of the tact switch of the embodiment, it is worth noting that the inner cavity of the key of the embodiment is smaller than the base 1, the inner cavity is further provided with a pin terminal 6 for communicating the inner cavity with the outer side of the base 1 and electrically connecting a circuit board, by arranging a first contact 61 and a second contact 62 which are relatively raised at the bottom of the inner cavity to abut against the reed 2, when the middle part of the reed 2 is squeezed by the silica gel handle 3, the first contact 61 and the second contact 62 are communicated to realize the conduction of a circuit, the structure of the embodiment is realized by using a small space as much as possible, a large amount of outflow materials are used for arranging the abutting table 17 and the waterproof ring 16, and by arranging a raised hook 63 on the outer side of the base 1, set up via hole 42 and ring 41 in protection gland 4, protection gland 4 is fixed through ring 41 and the relative base 1 of cooperation that 63 was colluded to the arch, and centre gripping silica gel handle 3 makes its deformation hug closely on base 1's butt platform 17, silica gel handle 3 just to the outside extension end of reed 2 part set up according to briquetting 32, it exposes protection gland 4 through via hole 42 and sets up outward to press briquetting 32, above-mentioned structure has realized only needing to press silica gel handle 3 and can realize the triggering of dabbing switch, dabbing switch of relative prior art, the dabbing switch of this embodiment has more looks butt area, not only promoted the holistic structural strength of switch, and realize the 3 deformations of silica gel handle of centre gripping silica gel material through butt face looks butt, bring stronger sealed effect, guarantee the isolation of inner chamber and switch external environment, promote its barrier propterty.

The reed 2 of the embodiment is arranged in the inner cavity, the center of the concave surface of the reed 2 is opposite to the first contact 61 at intervals, the edge of the reed is abutted against the second contact 62, the center of the convex surface of the reed 2 is abutted against the silica gel handle 3, the pressing effect of the tact switch is realized by matching the structure of the reed 2 with the convex design of the first contact 61 and the matching of the position and the structure of the pressing block 32 on the silica gel handle 3, the space utilization is improved, and the effect of saving the radial space is realized, in addition, the end part of one end of the base 1 facing the protective gland 4 is provided with the waterproof ring 16, the inner ring of the waterproof ring 16 is the inner cavity, the outer ring is provided with the abutting platform 17, the silica gel handle 3 is provided with the groove matched with the waterproof ring 16, the bottom of the waterproof ring 16 opposite to the inner cavity is also provided with the step surface 18, one side of the groove relatively close to the inside is provided with the convex surface matched with the step surface 18, be provided with on the silica gel handle 3 with the butt lip limit 31 of butt platform 17 equidimension, butt lip limit 31 is provided with protruding limit 33 in relative protection gland 4 four sides department, and protection gland 4 is provided with clamp plate 44, sets up through foretell structure, can form the protection in second way at the first protection rear of the silica gel handle 3 formation on butt platform 17, realizes further promoting this protective properties's of dabbing switch effect.

As a further arrangement of the above scheme, the silicone handle 3 is made of a silicone material, and the pressing block 32 of the silicone handle 3 extends towards the direction opposite to the reed 2 and is provided with a projection, and the projection is used for abutting against the center of the convex arch-shaped profile of the reed 2 towards the silicone handle 3.

As a further arrangement of the above-mentioned solution, a bent portion 43 is provided on a flank of one side of the protective gland 4 forming the fitting ring 41, and the bent portion 43 can be bent with respect to the body of the protective gland 4.

As a further arrangement of the above scheme, two second contacts 62 are provided, the protruding interval of the two second contacts 62 matches the diameter of the spring piece 2, and the bottommost part of the spring piece 2 is abutted against the second contacts 62.

The utility model discloses a dab switch, set up through the improvement to inner structure for prior art through setting up, through borrowing and reference the space of inside essential element reed and contact among the partial prior art to occupy the design, realize compact structure and accomplish the reed and press down the break-make effect, set up butt platform and the butt lip limit of relative thickness, make tight laminating of butt lip limit on the butt mesa of base through the centre gripping of protection gland and base, promote the leakproofness, make this embodiment product have higher barrier propterty, furthermore, be provided with assorted protrusion ring limit on silica gel handle and base, step face cooperation structure forms the protective sealing structure of second track, further promote the isolation effect of external world and inner chamber, protective propterty has been promoted, thicker lateral wall has also promoted the structural strength of product, make it be more difficult to be based on external force in the use, Shake and produce the gap, this practicality constitutes the gomphosis ring block protruding through the portion of bending and colludes the realization fixed, and is more convenient more durable relatively current, and the production and processing flow is also more convenient, and the silica gel handle receives the extrusion of protection gland and the consequent deformation, forms sealed condition, therefore just need not to increase complicated sealing washer isotructure again, has simplified the structure of this embodiment product and has constituteed, and this embodiment product has compact structure, and the preparation is convenient, and the cost is practiced thrift, characteristics effects such as protectiveness is strong.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a light of high protection touches switch which characterized in that: including base (1), protection gland (4), reed (2) and silica gel handle (3), base (1) has the inner chamber, the inner chamber still is provided with UNICOM inner chamber and base (1) and is used in the pin terminal (6) of electricity connection circuit board outward, pin terminal (6) are provided with relative inner chamber bottom bellied contact one (61) and contact two (62) at the inner chamber bottom, the outside of base (1) still is provided with the arch and colludes (63), reed (2) set up in the inner chamber, and the concave surface center of reed (2) just sets up to contact one (61) interval, and edge butt sets up on contact two (62), the protruding face center butt of reed (2) is on silica gel handle (3), protection gland (4) are provided with via hole (42) and inlay and encircle (41), protection gland (4) are fixed through the relative base (1) of the cooperation that inlay ring (41) and arch colluded (63), and centre gripping silica gel handle (3), silica gel handle (3) just to the outside extension end of reed (2) part set up and press briquetting (32), press briquetting (32) to expose through via hole (42) and protect the gland (4) and set up outward.

2. The high-protection tact switch according to claim 1, wherein: the base (1) is provided with waterproof circle (16) towards the one end tip of protection gland (4), waterproof circle (16) inner ring is the inner chamber, and the outer loop is provided with butt joint platform (17).

3. The high-protection tact switch according to claim 2, wherein: the silica gel handle (3) is provided with a groove matched with the waterproof ring (16), the bottom of the inner cavity of the waterproof ring (16) is provided with a step surface (18), and one side of the groove, which is relatively close to the inside, is provided with a convex surface matched with the step surface (18).

4. The high-protection tact switch according to claim 2, wherein: be provided with on silica gel handle (3) with butt platform (17) the same size's butt lip limit (31), butt lip limit (31) are provided with salient limit (33) in relative protection gland (4) four sides department, protection gland (4) are provided with clamp plate (44).

5. The high-protection tact switch according to claim 1, wherein: silica gel handle (3) adopt the silica gel material preparation, the press block (32) of silica gel handle (3) is provided with the lug towards just extending reed (2) direction, the lug is used for butt reed (2) towards the center of the bellied arch profile of silica gel handle (3).

6. The high-protection tact switch according to claim 1, wherein: the side wing of the embedded ring (41) formed on one side of the protection gland (4) is provided with a bending part (43), and the bending part (43) can be bent relative to the protection gland (4) body.

7. The high-protection tact switch according to claim 1, wherein: the number of the second contacts (62) is two, the protruding interval of the two second contacts (62) is matched with the diameter of the reed (2), and the bottommost part of the reed (2) is abutted against the second contacts (62).