CN205104413U - Dustproof AC speed regulation switch - Google Patents
Dustproof AC speed regulation switch Download PDFInfo
- Publication number
- CN205104413U CN205104413U CN201520921232.0U CN201520921232U CN205104413U CN 205104413 U CN205104413 U CN 205104413U CN 201520921232 U CN201520921232 U CN 201520921232U CN 205104413 U CN205104413 U CN 205104413U
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- CN
- China
- Prior art keywords
- movable contact
- push shaft
- upper cover
- dust
- speed regulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a dustproof AC speed regulation switch, include base, upper cover, push away axle and button. On cover and be equipped with the circuit board. Two sets ofly about being equipped with in the base move, the static contact, including left movable contact spring, left static contact, right movable contact spring, right static contact. A left side movable contact spring, right movable contact spring are installed on the support frame with the form of whippletree, and there is a base convex wall centre and the reverse side recess that pushes away that pushes away the axle matches. It is equipped with two symmetrical round holes to push away a reverse side. The round hole is equipped with corresponding spring and iron cover. The iron cover is connected with left movable contact spring, right movable contact spring respectively. Push away the axle and openly be equipped with and push away a front recess, match with the upper cover convex wall of upper cover. A front end that pushes away that pushes away the axle becomes the flat and is equipped with three strengthening ribs. It is connected with the button groove phase of button to push away a front end. The utility model discloses save material simplifies the production technology, reduction in production cost, and the heat dissipation is strengthened.
Description
Technical field
The utility model relates to switching technique field, refers to a kind of dust-proof AC speed regulation switch especially.
Background technology
The speed-regulating switch that the utility model relates to is use in the equipment such as electric tool, garden instrument, Machine Tool Electric Appliance and hardware & tools.In the product of current use, there is following technical problem:
1, the self-tapping screw of support M2 × 4 is fixed on pedestal, because screw thread is too short, unsuitable fastening during installation, easily loosens when finished product uses;
2, two movable contact springs connect with stainless steel adapting piece, and nose circle is stuck on support and does location use, another flat end through movable contact spring front, this structure as support loosen or stainless steel adapting piece shaping inconsistent time, directly affect contact-making surface and the pressure of moving contact;
3, the static contact of right-hand member is connected with binding post with bridge-type, and first wastes raw material, and the raw-material thickness of second this accessory reaches 0.8mm and there is multiple shaping of bending centre, and the more difficult control of angle, also affects the contact of dynamic and static contact and the useful life of Total Product;
4, two braces are had on the left side of pedestal, lower end connection bracket left end and left static contact, upper end is connected with the pad of two on the right of circuit board, circuit board is arranged on upper cover inside, after reserved two pads in the right, cause centre to leave the position of transistor for limited, the transistor of 252 encapsulation can only be used, bear the equipment of low current;
5, push rod and push shaft are separate type, spring is built-in, push shaft is hollow, about top, open two apertures respectively, outstanding two the convex hooks of the root of push rod, when push rod in the middle of push shaft through after going, two convex hooks of push rod root are hooked on the aperture on push shaft top, when the material property of these two accessories can not reach regulation requirement or by the affecting of temperature time, easily cause hook to depart from, product cisco unity malfunction;
6, being arranged on what push shaft played regulating action is the conductive rubber block made of rubber, this conductive rubber block is very strict to the requirement of appearance, must accomplish mellow and full without corner angle and overlap, otherwise just can not play regulating action, need to add silicone oil during assembling on the adjustable resistor of circuit board, silicone oil contacts the sclerosis accelerating rubber with rubber, and elastomeric material is more subject to the impact of temperature and changes.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of saving material, simplifies production technology, reduces production cost, the dust-proof AC speed regulation switch that heat radiation is strengthened.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of dust-proof AC speed regulation switch, comprises main body.Main body comprises pedestal, upper cover, push shaft and button.Cover on described and be provided with circuit board.Described upper cover is buckled on described pedestal.The two groups of dynamic and static contacts in left and right are provided with in described pedestal.The dynamic and static contact in two groups, described left and right comprises left movable contact spring, left static contact, right movable contact spring, right static contact.Described left movable contact spring matches with described left static contact, and described right movable contact spring matches with described right static contact.Described left movable contact spring, right movable contact spring are arranged on bracing frame with the form of whippletree.The push shaft negative grooves of a pedestal convex wall and push shaft is had to match in the middle of the dynamic and static contact in two groups, described left and right.Described push shaft reverse side is provided with two symmetrical circular holes.Described circular hole is equipped with corresponding spring and iron cover.Described iron cover is connected with described left movable contact spring, right movable contact spring respectively.Described push shaft front is provided with push shaft front groove, matches, realize the connection of push shaft and upper cover with the upper cover convex wall of upper cover.The push shaft front end of described push shaft becomes flat and is provided with three road reinforcements.Described push shaft front end is connected with the push-button recess of button.
Further, one is left on the left side of described pedestal in order to install the space of wave reinforcement radiator.
Further, the upper end on the described pedestal left side is provided with two draw-in grooves for the connection shell fragment of mounting circuit boards, and the lower end on the described pedestal left side establishes one for the draw-in groove of the connection shell fragment of mounting circuit boards.
Further, the space mounting anti-interference capacitor on the right of described pedestal.
Further, the left side in described push shaft front is provided with the adjustable reed for sliding on the regulating resistance of circuit board.
Further, fill a dust ring at the middle part of described push shaft, be provided with base recess in pedestal relevant position, be provided with upper cover groove in upper cover relevant position.
Further, described push shaft outer ring is provided with button spring, and described button spring is external.
Further, the side of described pedestal and described upper cover is respectively equipped with some interconnective fasteners.
Further, described upper cover reverse side has groove.
Further, the connection shell fragment of described circuit board is flat U-shaped formula.
The beneficial effect of technique scheme of the present utility model is as follows: in such scheme, takes the left and right cellular-type of contact, and push shaft all presses middle moment upper and lower seesaw type structure.Change metalwork shape, reduces shaping camber and material.The space of indwelling pedestal left side 12mm is settled and is strengthened radiator.Modification circuits plate layout, strengthens and uses transistor space.Change the rubber accessory being subject to external action.Push rod push shaft is separated built-in spring and changes single push shaft external spring into.In increase skylight, back of circuit board upper cover place.More than change, save portion of material, simplify production technology, reduction production cost also because of structural fittings change, dispels the heat and strengthens, and can arbitrarily do corresponding change along with the power current difference of the equipment of use.Newly put four positioning cylinders, corresponding positive and negative P cock of can arranging in pairs or groups, originally single speed-regulating switch is changed to the speed-regulating switch of optional band rotating function.
Accompanying drawing explanation
Fig. 1 is the structural representation of pedestal in a kind of dust-proof AC speed regulation switch of the utility model.
Fig. 2 is the Facad structure schematic diagram of push shaft in a kind of dust-proof AC speed regulation switch of the utility model.
Fig. 3 is the inverse layer structure schematic diagram of push shaft in a kind of dust-proof AC speed regulation switch of the utility model.
Fig. 4 is the structural representation of button in a kind of dust-proof AC speed regulation switch of the utility model.
Fig. 5 is the Facad structure schematic diagram of upper cover in a kind of dust-proof AC speed regulation switch of the utility model.
Fig. 6 is the inverse layer structure schematic diagram of upper cover in a kind of dust-proof AC speed regulation switch of the utility model.
Fig. 7 is the perspective view of a kind of dust-proof AC speed regulation switch of the utility model.
Fig. 8 is the stereochemical structure perspective view of a kind of dust-proof AC speed regulation switch of the utility model.
Fig. 9 is the left view of a kind of dust-proof AC speed regulation switch of the utility model.
Number in the figure illustrates: 1, left movable contact spring; 2, left static contact; 3, right movable contact spring; 4, right static contact; 5, bracing frame; 6, push shaft; 7, pedestal convex wall; 8, push shaft negative grooves; 9, space; 11, draw-in groove; 12, draw-in groove; 13, draw-in groove; 14, shell fragment is connected; 15, anti-interference capacitor; 16, circular hole; 17, spring; 18, iron cover; 19, push shaft front groove; 20, upper cover convex wall; 21, adjustable reed; 22, regulating resistance; 23, dust ring; 24, base recess; 25, upper cover groove; 26, push shaft front end; 27, reinforcement; 28, push-button recess; 29, button spring; 30,220 encapsulation; 31, pad; 32, saturating groove; 34, fastener; 35, cylinder.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly.Be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model easily loosens for existing AC speed regulation switch, waste raw material, bears the problems such as low current, provides a kind of dust-proof AC speed regulation switch.
As shown in Figure 1 to 9, a kind of dust-proof AC speed regulation switch, comprises main body.Main body comprises pedestal, upper cover, push shaft and button.On cover and be provided with circuit board.The two groups of dynamic and static contacts in left and right are provided with in pedestal.The two groups of dynamic and static contacts in left and right comprise left movable contact spring 1, left static contact 2, right movable contact spring 3, right static contact 4.Left static contact 2 joined by left movable contact spring 1.Right static contact 4 joined by right movable contact spring 3.Left movable contact spring 1, right movable contact spring 3 are arranged on bracing frame 5 with the form of whippletree, reach the object of instantaneous touch when push shaft 6 slides work.A pedestal convex wall 7 is had to match with the push shaft negative grooves 8 of push shaft 6 in the middle of the dynamic and static contact in two groups, left and right.Leave the space 9 of 12mm width on the left side of pedestal, strengthen radiator in order to the wave of installing high-power high-current equipment.Two draw-in grooves 11 and 12 are established in the upper end on the pedestal left side, and a draw-in groove 13 is established in the lower end on the pedestal left side, can the connection shell fragment 14 of mounting circuit boards.When produce product be in, low-grade electric current do not need install strengthen radiator time, up and down respectively install one connect shell fragment; When the product electric current increasing of producing need install reinforcement radiator, upper end will fill 2 and connect shell fragments, to increase switching performance; The optional dress anti-interference capacitor 15 in space on the right of pedestal.
Push shaft 6 reverse side sets up two symmetrical circular holes 16 separately.Circular hole 16 is equipped with corresponding spring 17 and iron cover 18, movable contact spring slides and makes its work.Push shaft 6 front is provided with push shaft front groove 19, matches with the upper cover convex wall 20 of upper cover.The left side in push shaft 6 front fills the adjustable reed 21 of a stainless steel material, the regulating resistance 22 of circuit board slides, operationally reaches the object of friction speed.Fill a dust ring 23 at the middle part of push shaft 6, fit together with the base recess 24 of pedestal and the upper cover groove 25 of upper cover, jointly form dust reduction capability.26 one-tenth, push shaft front end flat is also provided with three road reinforcements 27, when being connected with the push-button recess 28 of button, installs more firm.
Push shaft 6 outer ring is provided with button spring 29, and button spring 29 is external, can strengthen intensity, reaches the object be separated instantaneously.
Layout in amendment upper cover on circuit board, changes by transistor as 220 encapsulation 30 into, is directly set to one of them pad 31 with transistor internal set heat radiation fin; The upper cover place of back of circuit board is opened 4 row 2 row, 8 saturating grooves 32, directly the switch hot gas that operationally circuit board produces is dispersed into switch external.The flat U-shaped formula of connection shell fragment 14 of pedestal and circuit board, convenient installation, contact-making surface is large.
In main body side, pedestal and upper cover punishment are provided with 8 groups of fasteners 34, both are perfectly combined, installation and removal of being more convenient for.On the limit, left side of main body, pedestal and on cover and respectively establish two cylinders 35, when machinery equipment needs band rotating function, with these four cylinders for location, corresponding positive and negative P cock is installed, the function of rotating can be reached.
The utility model is by the change of structure, the change of accessory shape, effectively reduce production cost and promote production technology efficiency, and corresponding configuration change can be done to product at any time according to the requirement of different client, and by originally single speed-regulating function, add the speed-regulating switch of band rotating function.
The above is preferred implementation of the present utility model.It should be pointed out that for those skilled in the art, under the prerequisite not departing from principle described in the utility model, some improvement can also be made.These improvement also should be considered as protection range of the present utility model.
Claims (10)
1. a dust-proof AC speed regulation switch, comprises main body, and main body comprises pedestal, upper cover, push shaft and button, covers and be provided with circuit board on described; Described upper cover is buckled on described pedestal; It is characterized in that: in described pedestal, be provided with the two groups of dynamic and static contacts in left and right; The dynamic and static contact in two groups, described left and right comprises left movable contact spring, left static contact, right movable contact spring, right static contact, and described left movable contact spring matches with described left static contact, and described right movable contact spring matches with described right static contact; Described left movable contact spring, right movable contact spring are arranged on bracing frame with the form of whippletree; The push shaft negative grooves of a pedestal convex wall and push shaft is had to match in the middle of the dynamic and static contact in two groups, described left and right; Described push shaft reverse side is provided with two symmetrical circular holes, and described circular hole is equipped with corresponding spring and iron cover, and described iron cover is connected with described left movable contact spring, right movable contact spring respectively; Described push shaft front is provided with push shaft front groove, matches, realize the connection of push shaft and upper cover with the upper cover convex wall of upper cover; The push shaft front end of described push shaft becomes flat and is provided with three road reinforcements, and described push shaft front end is connected with the push-button recess of button.
2. the dust-proof AC speed regulation switch of one according to claim 1, is characterized in that: leave one on the left side of described pedestal in order to install the space of wave reinforcement radiator.
3. the dust-proof AC speed regulation switch of one according to claim 1, it is characterized in that: the upper end on the described pedestal left side is provided with two draw-in grooves for the connection shell fragment of mounting circuit boards, the lower end on the described pedestal left side establishes one for the draw-in groove of the connection shell fragment of mounting circuit boards.
4. the dust-proof AC speed regulation switch of one according to claim 3, is characterized in that: the space mounting anti-interference capacitor on the right of described pedestal.
5. the dust-proof AC speed regulation switch of one according to claim 1, is characterized in that: the left side in described push shaft front is provided with the adjustable reed for sliding on the regulating resistance of circuit board.
6. the dust-proof AC speed regulation switch of one according to claim 5, is characterized in that: fill a dust ring at the middle part of described push shaft, is provided with base recess, is provided with upper cover groove in upper cover relevant position in described pedestal relevant position.
7. the dust-proof AC speed regulation switch of one according to claim 1, is characterized in that: described push shaft outer ring is provided with button spring, and described button spring is external.
8. the dust-proof AC speed regulation switch of one according to claim 1, is characterized in that: the side of described pedestal and described upper cover is respectively equipped with some interconnective fasteners.
9. the dust-proof AC speed regulation switch of one according to claim 8, is characterized in that: described upper cover reverse side has groove.
10. the dust-proof AC speed regulation switch of one according to claim 1, is characterized in that: the connection shell fragment of described circuit board is flat U-shaped formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520921232.0U CN205104413U (en) | 2015-11-13 | 2015-11-13 | Dustproof AC speed regulation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520921232.0U CN205104413U (en) | 2015-11-13 | 2015-11-13 | Dustproof AC speed regulation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205104413U true CN205104413U (en) | 2016-03-23 |
Family
ID=55520174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520921232.0U Expired - Fee Related CN205104413U (en) | 2015-11-13 | 2015-11-13 | Dustproof AC speed regulation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205104413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022787A (en) * | 2018-01-08 | 2018-05-11 | 深圳马太亚科技有限公司 | A kind of biconvex point clamp spring sound-producing keyboard switch |
-
2015
- 2015-11-13 CN CN201520921232.0U patent/CN205104413U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022787A (en) * | 2018-01-08 | 2018-05-11 | 深圳马太亚科技有限公司 | A kind of biconvex point clamp spring sound-producing keyboard switch |
| CN108022787B (en) * | 2018-01-08 | 2024-02-20 | 东莞市高特电子有限公司 | Double-salient-point jump ring sounding keyboard switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20171113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |