CN210129451U - Speed regulating switch for fan - Google Patents
Speed regulating switch for fan Download PDFInfo
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- CN210129451U CN210129451U CN201921290508.4U CN201921290508U CN210129451U CN 210129451 U CN210129451 U CN 210129451U CN 201921290508 U CN201921290508 U CN 201921290508U CN 210129451 U CN210129451 U CN 210129451U
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Abstract
The utility model discloses a fan speed governing switch, including base and conductive contact piece, it has the contact piece groove to open on the base, and conductive contact piece sets up the contact piece inslot, characterized by: the conductive contact piece comprises an upper elastic contact piece section, a middle side piece section and a lower bottom piece section, the inner ends of the upper elastic contact piece section and the lower bottom piece section are respectively connected to the upper end and the lower end of the middle side piece section, the outer ends of the upper elastic contact piece section and the lower bottom piece section extend towards the same side direction, the lower bottom piece section extends upwards from the inner end to the outer end, a concave part is arranged at the upper elastic contact piece section, the conductive contact piece is embedded into the contact piece groove from top to bottom, and the middle side piece section and the lower bottom piece section of the conductive contact; this kind of fan speed governing switch through set up the lateral plate middle section on its conductive contact piece and the film hypomere is embedded into the contact groove for conductive contact piece's structure is comparatively simple, and lower, the producer's input is less to stamping die's requirement.
Description
Technical Field
The utility model belongs to the technical field of the conductive switch technique and specifically relates to a fan speed governing switch.
Background
Most of the current conductive contact pieces of the fan speed regulation switch are as the Chinese patent application numbers: 2018206492287, which includes front, back, and side panels; the bottom end of the front side piece is in bent transition connection with one end of the bottom piece, and one end of the bottom piece is in bent transition connection with the bottom end of the rear side piece; the top end of the back side piece is provided with an arc-shaped elastic contact piece which extends above the front side piece and crosses the top of the front side piece, and the top of the tail end of the arc-shaped elastic contact piece is provided with a conductive contact point in a protruding mode; the arc elastic contact piece is not contacted with the top of the front side piece; when the conductive contact piece is arranged in the contact piece groove in the arrangement cavity, the front side piece, the bottom piece and the rear side piece are respectively abutted against the inner side wall of the contact piece groove, and the arc-shaped elastic contact piece arranged at the top end of the rear side piece extends into the arrangement cavity.
However, the conductive contact of the fan speed regulation switch has the following disadvantages: (1) because the front side piece, the bottom piece, the rear side piece and the arc-shaped elastic contact piece are arranged on the conductive contact piece, the structure of the conductive contact piece is complex, the requirement on a stamping die for production is high, and the investment of a manufacturer is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a conductive contact's simple structure, relatively low, the producer of stamping die requirement drops into less fan speed governing switch.
The purpose of the utility model is realized like this: the utility model provides a fan speed governing switch, includes base and conductive contact, it has the contact groove to open on the base, and conductive contact sets up the contact inslot, characterized by: the conductive contact piece comprises an upper elastic contact piece section, a middle side piece section and a lower bottom piece section, the inner ends of the upper elastic contact piece section and the lower bottom piece section are respectively connected to the upper end and the lower end of the middle side piece section, the outer ends of the upper elastic contact piece section and the lower bottom piece section extend towards the same side direction, the lower bottom piece section extends upwards from the inner end to the outer end, a concave part is arranged at the upper elastic contact piece section, the conductive contact piece is embedded into the contact piece groove from top to bottom, and the middle side piece section and the lower bottom piece section of the conductive contact; this kind of fan speed governing switch through set up the lateral plate middle section on its conductive contact piece and the film hypomere is embedded into the contact groove for conductive contact piece's structure is comparatively simple, and lower, the producer's input is less to stamping die's requirement.
The utility model discloses can also adopt following further technical solution:
furthermore, the outer end of the upper section of the elastic contact piece is a convex-cap-shaped contact, and the contact is good in conductivity due to the design of the contact and not easy to generate electric sparks.
Furthermore, the concave part of the upper section of the elastic contact piece is in a concave arc shape, and the concave arc shape is designed to have elasticity, so that the contact can be effectively abutted against the rotary contact piece.
Further, the upper end in lateral piece middle section and the inner junction both sides of elastic contact piece upper segment upwards extend and have left fin and right fin, and left fin and right fin all offset with the base lateral wall of contact groove top, and left fin and right fin's design is simple and easy, and is rational in infrastructure, makes conductive contact's installation more stable.
Furthermore, the lower section of the bottom plate obliquely extends from bottom to top from the inner end to the outer end, the lower end of the middle section of the side plate is in arc transition connection with the inner end of the lower section of the bottom plate, the lower section of the bottom plate and the middle section of the side plate which extend obliquely form outer elasticity, and after the lower section of the bottom plate and the middle section of the side plate are embedded into the contact plate groove, the inner side wall of the contact plate groove is pressed by the outer elasticity of the lower section of the bottom plate and the middle section of the side plate, so that the conductive contact plate is more stable and firm.
Furthermore, the upper portion in lateral plate middle section to and elastic contact upper segment all are higher than the upper portion opening in contact groove, make elastic contact's upper segment and elastic contact stretch out the contact groove and extend to settling the intracavity.
Further, still including upper cover and rotating member, be provided with the arrangement chamber on the base, the diapire of arrangement chamber is provided with the contact groove, the elastic contact upper segment of conductive contact stretches out the contact groove and extends to the arrangement intracavity, the upper cover lid is established on the arrangement chamber opening of base, the rotating member sets up in the arrangement intracavity, offsets or is close with the elastic contact upper segment of conductive contact, and its upper end upwards extends the upper cover, and its simple structure, reasonable in design drives the rotating member of arranging the intracavity through rotating the rotating member one end that extends the upper cover and carries out the speed governing.
Further, settle the intracavity and be provided with the several contact piece groove, the several contact piece groove is according to circular arc direction align to grid, a plurality of contact piece grooves of align to grid correspond different speed gears.
Further, the rotating part comprises a rotating disc and a rotating shaft, a shaft hole is formed in the position, corresponding to the rotating shaft, of the upper cover, the rotating disc of the rotating part is arranged in the placement cavity and abuts against the contact of the conductive contact piece, the rotating shaft of the rotating part penetrates through the shaft hole from bottom to top to extend out of the upper cover, the rotating part is reasonable in design, and the rotating shaft extending out of the upper cover can drive the rotating disc in the placement cavity to rotate.
Furthermore, the bottom surface of the rotating disc is also provided with a rotating contact piece, the rotating contact piece abuts against the upper section contact of the elastic contact piece, when the rotating piece rotates, the rotating contact piece sequentially abuts against the contacts of the conductive contact pieces in the arrangement cavity, and the rotating contact piece abuts against each conductive contact piece in the arrangement cavity, so that gear switching at different speeds is completed.
Furthermore, the front end of the lower section of the bottom sheet of the conductive contact piece is provided with a bayonet so as to clamp the conductive end (such as a power line input end) through the bayonet.
The utility model has the advantages as follows:
(1) the fan speed regulating switch has the advantages that the middle section of the side piece and the lower section of the bottom piece are arranged on the conductive contact piece and embedded into the groove of the contact piece, so that the structure of the conductive contact piece is simpler, the requirement on a stamping die is lower, and the investment of a manufacturer is smaller.
(2) Furthermore, the lower section of the bottom plate obliquely extends from bottom to top from the inner end to the outer end, the lower end of the middle section of the side plate is in arc transition connection with the inner end of the lower section of the bottom plate, the lower section of the bottom plate and the middle section of the side plate which extend obliquely form outer elasticity, and after the lower section of the bottom plate and the middle section of the side plate are embedded into the contact plate groove, the inner side wall of the contact plate groove is pressed by the outer elasticity of the lower section of the bottom plate and the middle section of the side plate, so that the conductive contact plate is more stable.
Drawings
Fig. 1 is a perspective view of the fan speed control switch of the present invention.
Fig. 2 is a cross-sectional view of a conductive contact mounted in a contact slot of a mounting cavity.
Fig. 3 is a perspective view of the conductive contact of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
referring to fig. 1 to 3, a fan speed regulation switch includes a base 1 and a conductive contact piece 3, a contact piece groove 12 is opened on the base 1, the conductive contact piece 3 is disposed in the contact piece groove 12, and the fan speed regulation switch is characterized in that: conductive contact 3 includes elastic contact upper segment 33, lateral plate middle section 32 and film hypomere 31, elastic contact upper segment 33 and film hypomere 31 inner connect respectively at the upper end and the lower extreme of lateral plate middle section 32, and the outer end extends towards same side direction respectively, film hypomere 31 is upwards extended by inner toward outer end direction, elastic contact upper segment 33 is provided with concave part 332, conductive contact 3 is from top to bottom embedded in contact groove 12 in, its lateral plate middle section 32 offsets with the lateral wall of contact groove 12 respectively with film hypomere 31.
More specifically, the outer end of the upper section 33 of the elastic contact is a contact 331 in a shape of a convex cap; the concave part 332 of the upper section 33 of the elastic contact is concave arc; a left fin 321 and a right fin 322 extend upwards from two sides of the connection position of the upper end of the side piece middle section 32 and the inner end of the elastic contact piece upper section 33, and the left fin 321 and the right fin 322 are both propped against the side wall of the base 1 above the contact piece groove 12; the bottom plate lower section 31 extends obliquely from bottom to top from the inner end to the outer end, and the lower end of the side plate middle section 32 is in arc transition connection with the inner end of the bottom plate lower section 31; the upper portion of the side piece middle section 32 and the elastic contact piece upper section 33 are higher than the upper opening of the contact piece groove 12.
In this embodiment, the device further comprises an upper cover 2 and a rotating member 4, wherein a mounting cavity 11 is arranged on the base 1, the bottom wall of the mounting cavity 11 is provided with a contact piece groove 12, an upper elastic contact piece section 33 of the conductive contact piece 3 extends out of the contact piece groove 12 and extends into the mounting cavity 11, the upper cover 2 is arranged on an opening of the mounting cavity 11 of the base 1 in a covering manner, the rotating member 4 is arranged in the mounting cavity 11 and is abutted against or close to the upper elastic contact piece section 33 of the conductive contact piece 3, and the upper end of the rotating member extends upwards to form the upper cover 2; a plurality of contact slots 12 are arranged in the mounting cavity 11, and the contact slots 12 are uniformly arranged in the arc direction.
As a more preferable scheme, the rotating member 4 includes a rotating disc 41 and a rotating shaft 42, a shaft hole 21 is provided at a position of the upper cover 2 corresponding to the rotating shaft 42, the rotating disc 41 of the rotating member 4 is disposed in the installation cavity 11 and abuts against the contact 331 of the conductive contact piece 3, and the rotating shaft 42 thereof extends out of the upper cover 2 from bottom to top through the shaft hole 21; the bottom surface of the rotating disc 41 is further provided with a rotating contact plate 43, the rotating contact plate 43 abuts against the contact 331 of the upper section 33 of the elastic contact plate, and when the rotating element 4 rotates, the rotating contact plate 43 abuts against the contact 331 of the conductive contact plate 3 in the accommodating cavity 11 in sequence. The front end of the bottom sheet lower section 31 of the conductive contact piece 3 is provided with a bayonet 311 so as to be clamped with the inserted conductive end (in an abutting and electrifying manner) to realize electrical connection.
The working principle is as follows: the conductive contact piece 3 is embedded into the contact piece groove 12 from top to bottom, the middle section 32 of the side piece and the lower section 31 of the bottom piece are respectively abutted against the side wall of the contact piece groove 12, the rotating piece 4 is arranged in the arranging cavity 11, the upper cover 2 is covered on the opening of the arranging cavity 11 of the base 1, the rotating shaft 42 of the rotating piece 4 penetrates through the shaft hole 21 of the upper cover 2 from bottom to top, the rotating disc 41 is arranged in the arranging cavity 11, the rotating contact piece (such as a power output conductive end and not shown) on the rotating disc 41 is abutted against the contact 331 of the conductive contact piece 3, the lower section bayonet 311 of the bottom piece of the conductive contact piece 3 is clamped and abutted against the inserted conductive end (such as a power input conductive end), and thus the rotating contact piece and the inserted conductive end respectively form a power output end and a power input end of the; when the user uses the gear, the rotating shaft 42 extending out of the upper cover 2 is rotated to drive the rotating contact 43 on the rotating disc 41 to contact with each conductive contact 3, so as to adjust different gears.
Claims (10)
1. The utility model provides a fan speed governing switch, includes base (1) and conductive contact (3), it has contact groove (12) to open on base (1), and conductive contact (3) set up in contact groove (12), characterized by: conductive contact piece (3) are including elastic contact piece upper segment (33), lateral plate middle section (32) and bottom plate hypomere (31), the upper end and the lower extreme at lateral plate middle section (32) are connected respectively to the inner of elastic contact piece upper segment (33) and bottom plate hypomere (31), and the outer end extends towards same side direction respectively, bottom plate hypomere (31) is upwards extended by inner toward outer end direction, elastic contact piece upper segment (33) are provided with concave position (332), conductive contact piece (3) from top to bottom imbeds in contact piece groove (12), and its lateral plate middle segment (32) offsets with the lateral wall of contact piece groove (12) respectively with bottom plate hypomere (31).
2. A fan speed regulation switch as claimed in claim 1, wherein: the outer end of the upper section (33) of the elastic contact is a convex-cap-shaped contact (331).
3. A fan speed regulation switch as claimed in claim 1, wherein: the concave part (332) of the upper section (33) of the elastic contact is concave arc.
4. A fan speed regulation switch as claimed in claim 1, wherein: the upper end of the side piece middle section (32) and the two sides of the joint of the inner end of the elastic contact piece upper section (33) extend upwards to form a left fin (321) and a right fin (322), and the left fin (321) and the right fin (322) are abutted to the side wall of the base (1) above the contact piece groove (12).
5. A fan speed regulation switch as claimed in claim 1, wherein: the lower section (31) of the bottom plate obliquely extends from bottom to top from the inner end to the outer end, and the lower end of the middle section (32) of the side plate is in arc transition connection with the inner end of the lower section (31) of the bottom plate.
6. A fan speed regulation switch as claimed in claim 1, wherein: the upper part of the side piece middle section (32) and the elastic contact piece upper section (33) are higher than the upper opening of the contact piece groove (12).
7. A fan speed regulation switch as claimed in claim 1, wherein: still including upper cover (2) and rotating member (4), be provided with arrangement chamber (11) on base (1), the diapire of arrangement chamber (11) is provided with contact piece groove (12), elastic contact piece upper segment (33) of conductive contact piece (3) stretch out in contact piece groove (12) extend to arrangement chamber (11), upper cover (2) lid is established on arrangement chamber (11) opening of base (1), rotating member (4) set up in arrangement chamber (11), offset or are close with elastic contact piece upper segment (33) of conductive contact piece (3), its upper end upwards extends upper cover (2).
8. A fan speed control switch as claimed in claim 7, wherein: a plurality of contact sheet grooves (12) are formed in the placement cavity (11), and the contact sheet grooves (12) are uniformly arranged in the arc direction.
9. A fan speed control switch as claimed in claim 7, wherein: the rotating part (4) comprises a rotating disc (41) and a rotating shaft (42), a shaft hole (21) is formed in the position, corresponding to the rotating shaft (42), of the upper cover (2), the rotating disc (41) of the rotating part (4) is arranged in the arranging cavity (11) and is abutted to the contact (331) of the conductive contact piece (3), and the rotating shaft (42) of the rotating part penetrates through the shaft hole (21) from bottom to top to extend out of the upper cover (2).
10. A fan speed regulation switch as claimed in claim 1, wherein: the front end of the bottom sheet lower section (31) of the conductive contact sheet (3) is provided with a bayonet (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921290508.4U CN210129451U (en) | 2019-08-10 | 2019-08-10 | Speed regulating switch for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921290508.4U CN210129451U (en) | 2019-08-10 | 2019-08-10 | Speed regulating switch for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210129451U true CN210129451U (en) | 2020-03-06 |
Family
ID=69665570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921290508.4U Active CN210129451U (en) | 2019-08-10 | 2019-08-10 | Speed regulating switch for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210129451U (en) |
-
2019
- 2019-08-10 CN CN201921290508.4U patent/CN210129451U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |