CN207319978U - A kind of knob speed-regulating switch and there is its automotive fan heater - Google Patents
A kind of knob speed-regulating switch and there is its automotive fan heater Download PDFInfo
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- CN207319978U CN207319978U CN201721495266.3U CN201721495266U CN207319978U CN 207319978 U CN207319978 U CN 207319978U CN 201721495266 U CN201721495266 U CN 201721495266U CN 207319978 U CN207319978 U CN 207319978U
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- shaft
- regulating switch
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Abstract
The utility model discloses a kind of knob speed-regulating switch, it is included in several static contacts arc-shaped on base and be intervally arranged, dynamic touch panel and the driving dynamic touch panel being arranged on above base rotate, so that the operating mechanism that the movable contact and several static contacts on dynamic touch panel contact successively, further include elastic contact blade, with the first end fixed with dynamic touch panel and in dynamic touch panel rotation process, when the gap between movable contact moves to two neighboring static contact, the second end of contact is remained with any one in two neighboring static contact.The invention also discloses a kind of automotive fan heater with above-mentioned knob speed-regulating switch.The embodiment of the utility model ensures that dynamic touch panel first touches next gear in the motion process of gear switch and disconnects a gear again, avoids phenomenon out of stock occur between gear is changed；Electric current during upshift is avoided to increase generation overload and electric spark suddenly and cause product failure and calcination, security is good, lifts the service life of product.
Description
Technical field
It the utility model is related to automotive fan heater technical field, and in particular to a kind of knob speed-regulating switch and there is its vapour
Car warm-air drier.
Background technology
Automotive fan heater is that air is sent into heat exchanger, absorbs the heat of certain heat source, so that the temperature of air is improved,
And hot-air is sent into in-car device, it is a wind in automobile air conditioner control system, it can be achieved that heating, defrosting, adjusting temperature
The function such as degree and humidity.
It is to control to realize by speed-regulating switch thereon that the air quantity of existing automotive fan heater, which is adjusted, and traditional speed-regulating switch is adopted
With poke-rod type mechanical structure, although the adjusting switch structure of this structure type is relatively simple, exist in inconvenient, control
Inaccurately, the problems such as feel is uncomfortable.Thus, existing speed-regulating switch uses knob switch mostly, has multiple gears
Control function, the air force of automotive fan heater is controlled by rotating the gear of adjusting knob switch.Wherein, rotary switch connects
Go out several threads road by speed adjusting resistance with warm-air drier to be connected, several threads road represents different stalls respectively, therefore, passes through turning knob
Switch to adjust the size of current of warm-air drier, realize the adjusting of its air force.
For example, Chinese patent literature CN2640015Y discloses a kind of speed regulating switch of knob type automobile air warmer, including open
Pass base, movable copper contact blade, spring, wherein switch pedestal are embedded with copper insert, and concentric rows show some arcs on its planar end surface
Long different inserts, active copper on piece are equipped with three different radiis, the boss of angle.In use, the active copper with boss touches
Piece keeps contacting with the planar end surface of switch pedestal all the time under the action of the spring, when movable copper contact blade rotates so that three boss exist
Change contact between some inserts, connect different stalls circuit and realize gear control.
Although above-mentioned speed-regulating switch can realize the air quantity adjusting to warm-air drier, process is used in product testing and client
It is middle to find that phenomenon out of stock occurs between gear conversion in above-mentioned warm-air drier speed-regulating switch, for example one grade has disconnected, and two gears are not
In connection, thus then there is problems with：Calm phenomenon occurs between 1. two grades are got to during client's use, it is practical
Effect is poor；2. warm-air drier speed-regulating switch is high-current switch, electric current can rise to 20A quickly from 0A, increase situation in electric current
It is lower easily to produce electric spark, puncture copper sheet and plastic casing, cause switch failure, load is big, and accelerates the loss of electric machine, or even draws
Electrical fire is sent out, there are security risk.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome warm-air drier speed-regulating switch of the prior art changing
Occurs calm phenomenon out of stock during gear, and increase easily produces electric spark to electric current suddenly, punctures copper sheet and plastic casing, causes out
Failure is closed, there are the problem of security risk.
In order to solve the above technical problems, the utility model provides a kind of knob speed-regulating switch, it is included in arc-shaped on base
And several static contacts being intervally arranged, the dynamic touch panel being arranged on above the base and the driving dynamic touch panel are rotated, made
The operating mechanism that the movable contact on the dynamic touch panel and several described static contacts contact successively is obtained, is further included：
Elastic contact blade, has with the first end of the dynamic touch panel fixation and in the dynamic touch panel rotation process, when described
When movable contact moves to the gap between the two neighboring static contact, with any one in the two neighboring static contact all the time
Keep the second end of contact.
As a preferred embodiment, resilient contact, the resilient contact and the movable contact are provided with the second end
Line without the dynamic touch panel axle center, and the line in the movable contact and the axle center and the resilient contact with it is described
The corresponding arc length of angle that the line in axle center is formed is not less than the gap between the two neighboring static contact, while is not more than institute
State arc length of the static contact along the movable contact movement locus.
As a preferred embodiment, the dynamic touch panel from low-grade location into high tap position rotation process, the resilient contact
Positioned at the rear of movable contact movement mark.
As a preferred embodiment, the movement locus of the movement locus of the movable contact and the resilient contact is misaligned.
As a preferred embodiment, concentric arrangement of first contact and the second wafer are additionally provided with the base, it is described dynamic
Touch panel is equipped with the ground terminal that normally closed contact is kept with first contact, and keeps normally closed contact with the second wafer
Common port, the second wafer are turned on by the dynamic touch panel with the movable contact.
As a preferred embodiment, it is embedded with the base and is touched with the static contact, first contact, described second
Some inserting terminals that piece is electrically connected.
As a preferred embodiment, the operating mechanism includes：
Shaft, is set with the dynamic touch panel linkage；
First spring, is set in the shaft, and one end is connected in the shaft, and the other end is connected to the dynamic touch panel
On, so that movable contact, ground terminal, the common port of the dynamic touch panel drive thereon keep controllable with the base and contact.
As a preferred embodiment, the shell being set on the base is further included, between the shaft and the shell
Gear adjusting mechanism is provided with, the gear adjusting mechanism includes：At least one radially extended by the side wall of the shaft
Bar, and take shape in the installation groove of the circumferential inner wall on the strut and towards the shell, and to be installed on the installation recessed
The ball of second spring and the bias second spring in groove, further includes the corresponding ball and is circular layout in the circumference
Some grooves on wall, the ball contact under the active force of second spring with the groove extruding on the circumferential inner wall.
As a preferred embodiment, the rotation for being installed on the top of the shaft and being rotated synchronously with the shaft is further included
Button, being provided between the knob and the shaft makes the knob be pressurized when impacting to rotor shaft direction kicking motion, and is pressing
The collapsing structure that power resets after disappearing.
As a preferred embodiment, the collapsing structure includes：Axially take shape in the knob bottom and turn suitable for described
The installation cavity that axis stretches into, and the elastic component being arranged in the installation cavity, the top of the shaft are projecting axially into the installation
Intracavitary biases the elastic component；The top for stopping the shaft is provided between the top of the shaft and the installation cavity
Deviate from the hook structure of the installation cavity under the active force of elastic component in end.
A kind of automotive fan heater, including the knob speed-regulating switch described in any of the above-described are also provided.
Technical solutions of the utility model, have the following advantages that：
1. in knob speed-regulating switch provided by the utility model, control the air quantity of warm-air drier big using transforming gear function
Small, by setting elastic contact blade on dynamic touch panel, elastic contact blade has the first end fixed with dynamic touch panel, and is connect with static contact
Tactile second end, in the dynamic touch panel rotation process, between the movable contact moves to the two neighboring static contact
During gap, the second end of the elastic contact blade is remained with any one in the two neighboring static contact and contacted, to ensure
Dynamic touch panel first touches next gear in the motion process of gear switch and disconnects a gear, this structure setting, on the one hand, keep away again
Exempt from knob speed-regulating switch and phenomenon out of stock occur between gear conversion, ensure warm wind function when user is got between two gears
Enough continue outlet air, nonfunctional intermittent problem；On the other hand, when the gap between movable contact moves to two neighboring static contact,
It is connectionless between movable contact and static contact, transition connection function is then played by contact of the elastic contact blade with static contact, avoids rising
Electric current increases suddenly during shelves produces overload and electric spark and causes product failure and calcination, and lowers the loss of electric machine, it is ensured that rotation
The safety and reliability that button speed-regulating switch is changed from low-grade location to high tap position, its is simple in structure, and design is reasonable, coordinates transmission can
Lean on, mechanical life and the service life of product can be increased, lift the performance and security performance of product.
2. in knob speed-regulating switch provided by the utility model, line and the elasticity of the movable contact with the axle center
Contact arc length corresponding with the angle that the line in the axle center is formed is not less than the gap between the two neighboring static contact, together
When no more than arc length of the static contact along the movable contact movement locus.This structure design, by movable contact and elasticity
The rational design of relative motion spacing between contact, when movable contact gearing movement to the gap between two neighboring static contact
When, still contact, prevent out of stock with the static contact holding of upper one gear with the resilient contact that movable contact is synchronized with the movement；And when dynamic
Contact is contacted with next grade of tactile stationary plate realizes that is, movable contact is corresponded on the center line of static contact width when shifting gears in place,
Meanwhile resilient contact makees arcuate movement and disconnects with upper one gear static contact to contact, and coordinates the movable contact cooperating contact next
On shelves static contact, realize that dynamic touch panel first touches the purpose that next gear disconnects a gear again, position association during gear switch
Harmonize really, be connected reliable.
3. in knob speed-regulating switch provided by the utility model, in the dynamic touch panel from low-grade location to high tap position rotation process
In, the resilient contact is located at the rear of the movable contact movement locus, in the present embodiment, the dynamic touch panel from low-grade location to
It is to carry out in the direction of the clock that high tap position, which rotates, the movable contact is touched the same quiet of high tap position prior to the resilient contact
Contact, ensures the order of movable contact and resilient contact engagement sequence and the reasonability of movement.
4. in knob speed-regulating switch provided by the utility model, touched by the ground terminal on the dynamic touch panel and described first
Piece keeps normally closed contact, realizes the grounding function of knob speed-regulating switch；And by moving the common port and described second on touch panel
Contact pad, makes the second wafer be turned on by the dynamic touch panel with the movable contact, forms galvanic circle.Therefore, movable contact is worked as
Circuit can be turned on when being contacted with any static contact holding position, realizes the gear control function of knob speed-regulating switch.
5. in knob speed-regulating switch provided by the utility model, by setting gear between the shaft and the shell
Adjusting mechanism can accurately hold the correspondence position relation between shaft rotation and transforming gear, wherein, the ball is second
Contacted under the active force of spring with the groove extruding on the circumferential inner wall, when rotating the shaft, drive ball some
Moved back and forth between groove, so as to substantially sense the shift feeling of shaft rotation, in the present embodiment, the ball is adjacent
Movement between groove corresponds to gear conversion of the movable contact between adjacent static contact, and precise control is in place, easy to adjust.
6. in knob speed-regulating switch provided by the utility model, by the installation cavity that elastic component is loaded to the knob bottom
It is interior and with shaft coordinate realize collapsing structure design, this structure setting, when the knob is subjected to certain impact force, rotation
Button can to rotor shaft direction kicking motion, and pressure disappearance after homing, in such a case, it is possible to reduce the wound to people
Evil, to meet the relevant regulatory requirements of passenger car inner tabs.
7. in automotive fan heater provided by the utility model, by turning knob speed-regulating switch come regulation stall, and then control
The size of current of automotive fan heater processed, realizes the adjusting of its air force, easy to use, lifts the performance of product.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the dimensional structure diagram of the knob speed-regulating switch of the utility model；
Fig. 2 is the planar structure schematic diagram of the base of the utility model；
Fig. 3 is the planar structure schematic diagram of the dynamic touch panel of the utility model；
Fig. 4 hides the internal structure schematic diagram after shell for knob speed-regulating switch shown in Fig. 1；
Fig. 5 be Fig. 4 partial structural diagram, the installation site of specifically shown dynamic touch panel and elastic contact blade；
Fig. 6 is the cross-sectional view of the knob speed-regulating switch of the utility model；
Fig. 7 is the structure diagram of the collapsing structure of the utility model；
Fig. 8 is the bottom view of the knob of the utility model；
Description of reference numerals：1- bases, 11- inserting terminals, 2- shells, 3- static contacts, 4- move touch panel, 41- movable contacts,
42- ground terminals, 43- common ports, 5- resilient contacts, 51- resilient contacts, 52- first ends, 53- second ends, the first contacts of 6-, 7-
The second wafer, 8- operating mechanisms, 81- shafts, the first springs of 82-, 83- struts, 84- balls, 9- knobs, 91- installation cavitys, 92-
Elastic component.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to which explanation, term " first ", " second ", " the 3rd " are only used for describing in the description of the utility model
Purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not forming conflict can be combined with each other.
Embodiment 1
The present embodiment is specifically described below in conjunction with the accompanying drawings：
The present embodiment provides a kind of knob speed-regulating switch as shown in figures 1-8, is included in arc-shaped on base 1 and interval row
Several static contacts 3 of cloth, the dynamic touch panel 4 and the driving dynamic touch panel 4 for being arranged on the top of base 1 rotate so that institute
The operating mechanism 8 that movable contact 41 on touch panel 4 and several described static contacts 3 contact successively is stated, is further included：
Elastic contact blade 5, has with the first end 52 of the dynamic fixation of touch panel 4 and in dynamic 4 rotation process of touch panel, when
When the movable contact moves to the gap between the two neighboring static contact 3, with any in the two neighboring static contact 3
A second end 53 for remaining contact.
The above embodiment is the core technology scheme of the present embodiment, and the wind of warm-air drier is controlled using transforming gear function
Size is measured, by setting elastic contact blade 5 on dynamic touch panel 4, elastic contact blade has the first end 52 fixed with dynamic touch panel 4, and
The second end 53 contacted with static contact, in dynamic 4 rotation process of touch panel, when the movable contact 41 moves to two neighboring institute
When stating the gap between static contact 3, the second end of the elastic contact blade 5 and any one beginning in the two neighboring static contact 3
Contact is kept eventually, and a gear is disconnected again to ensure that dynamic touch panel 4 first touches next gear in the motion process of gear switch, it is this
Structure setting, on the one hand, avoid knob speed-regulating switch from phenomenon out of stock occur between gear conversion, make user get to two gears
Between when ensure that warm-air drier can continue outlet air, nonfunctional intermittent problem；On the other hand, when movable contact move to it is two neighboring quiet
It is connectionless between movable contact and static contact during gap between contact, then played by contact of the elastic contact blade with static contact
Connection function is crossed, avoids electric current during upshift from increasing generation overload and electric spark suddenly and cause product failure and calcination, and subtract
The low loss of electric machine, it is ensured that the safety and reliability that knob speed-regulating switch is changed from low-grade location to high tap position, its is simple in structure, if
Meter is reasonable, coordinates reliable transmission, can increase mechanical life and the service life of product, lifts the performance and security of product
Energy.
In the present embodiment, it is necessary to which explanation, in dynamic touch panel 4 changes the motion process of gear, there are movable contact 41
Keep of short duration with two neighboring static contact respectively with second end 53 to contact, i.e., two static contacts on dynamic touch panel 4 and base are at the same time
To connect, the electric current that two static contacts pass through is different, and in identical carrier, and an only air quantity outlet, it is big to select
On the basis of the Wind Volume gear of electric current.
Elaborate with reference to the movable contact in Fig. 2-5 pairs of the present embodiment and the concrete structure of elastic contact blade：
Be provided with resilient contact 51 in the second end 53, the line of the resilient contact 51 and the movable contact 41 without
Cross the axle center of the dynamic touch panel 4, and the movable contact 41 and the line and the resilient contact 51 in the axle center and the axle center
The corresponding arc length of angle that is formed of line be not less than gap between the two neighboring static contact 3, while no more than described
Arc length of the static contact 3 along 41 movement locus of movable contact.This structure design, by movable contact 41 and resilient contact 51 it
Between relative motion spacing rational design, when 41 gearing movement of movable contact to gap between two neighboring static contact, with
The resilient contact that movable contact is synchronized with the movement still keeps contacting with the static contact of upper one gear, prevents out of stock；And work as movable contact
41 contact with next grade of tactile stationary plate when realizing gearshift in place, i.e., the movable contact corresponds to the center line for being located at static contact width
On, meanwhile, resilient contact 51 makees arcuate movement and disconnects with upper one gear static contact to contact, and coordinates 41 cooperating contact of movable contact
On next grade of static contact, realize that dynamic touch panel 4 first touches the purpose that next gear disconnects a gear again during gear switch,
Position co-ordination is accurate, is connected reliable.
As a preferred embodiment, the dynamic touch panel 4 from low-grade location into high tap position rotation process, the bullet
Property contact 51 is located at the rear of 41 movement locus of movable contact.In the present embodiment, the dynamic touch panel 4 is from low-grade location to top grade
It is to carry out in the direction of the clock that position, which rotates, the movable contact 41 is touched prior to the resilient contact 51 along up time direction side
Same static contact, ensure 51 engagement sequence of movable contact 41 and resilient contact order and movement reasonability.
Further, the movement locus of the movable contact 41 and the movement locus of the resilient contact 51 are misaligned, wherein,
The movable contact 41 and resilient contact 51 make circular motion with servo-actuated touch panel, and the arc of motion length of movable contact is more than the fortune of resilient contact
Dynamic arc length, i.e., be located at the movement outside of resilient contact relative to the center of circle of dynamic touch panel, movable contact, the two is turned with the dynamic touch panel
Some static contacts are contacted respectively during dynamic, and cooperation position is accurate, and connection reliability is high.
As shown in Figure 3 and Figure 5, in the present embodiment, the elastic contact blade 5 be arc-shaped shape spring leaf, first end 52
Fixed with dynamic touch panel using riveting, second end 53 is bent from first end to base direction to be extended, and is had and is driven the resilient contact
51 biasing forces contacted with some holdings of static contacts 3, ensure that resilient contact 51 carries out elastic fortune between some static contacts
It is dynamic, avoid contacting firmly, coordinate reliable.In addition, the static contact 3 presses 30 ° of concentric arrangements of central angle in the upper surface of the base
There are four, the gear order of four static contacts is incrementally increased by up time direction, passes through the contact with corresponding static contact 3 of movable contact 41
Realize the different stalls control of knob speed-regulating switch.
In the present embodiment, as shown in Fig. 2, being additionally provided with concentric arrangement of first contact 6 and the second wafer on the base 1
7, the dynamic touch panel 4, which is equipped with, keeps the ground terminal 42 of normally closed contact with first contact 6, and with the second wafer 7
The common port 43 of normally closed contact is kept, the second wafer 7 is turned on by the dynamic touch panel 4 with the movable contact 41.Above-mentioned reality
Apply in mode, keeping normally closed with first contact 6 by the ground terminal 42 on the dynamic touch panel 4 contacts, and realizes knob speed governing
The grounding function of switch；And contacted by moving the common port 43 on touch panel with the second wafer 7, pass through the second wafer 7
The dynamic touch panel 4 is turned on the movable contact 41, forms galvanic circle.Therefore, when movable contact 41 and any static contact holding position
Circuit can be turned on when putting contact, realizes the gear control function of knob speed-regulating switch.
Further preferably, it is embedded with the base 1 and the static contact 3, first contact 6, the second wafer 7
Some inserting terminals 11 being electrically connected, realize with control electrical appliance part and are electrically connected, easy to operate.
Elaborate with reference to the concrete structure of Fig. 4-6 pairs of operating mechanisms：
The operating mechanism 8 includes shaft and the first spring, and the shaft 81 is set with the dynamic linkage of touch panel 4, one
End is threaded through in the centre bore of dynamic touch panel, so that drive the dynamic touch panel to rotate when being rotated by shaft, and on shaft one end
Equipped with the position-limited edge for stopping dynamic touch panel and shaft disengaging；First spring 82 is set in the shaft 81, and one end is connected to
In the shaft 81, the other end is connected on the dynamic touch panel 4, so that the dynamic touch panel 4 drives movable contact thereon, ground connection
End, common port keep controllable with the base 1 and contact.
In knob speed-regulating switch provided in this embodiment, as shown in figures 1 to 6, further include and be set on the base 1
Shell 2, is provided with gear adjusting mechanism between the shaft 81 and the shell 2, the gear adjusting mechanism includes：By described
At least one strut 83 that the side wall of shaft 81 radially extends, and take shape on the strut and towards the circumference of the shell 2
The installation groove of inner wall, and the second spring being installed in the installation groove and the ball 84 for biasing the second spring,
The corresponding ball 84 is further included to be circular layout in some groove (not shown) on the circumferential inner wall, the ball 84
Contacted under the active force of second spring with the groove extruding on the circumferential inner wall.In above-mentioned set-up mode, by described
Gear adjusting mechanism is set to accurately hold between shaft 81 and the shell 2 corresponding between shaft rotation and transforming gear
Position relationship, wherein, the ball 84 contacts under the active force of second spring with the groove extruding on the circumferential inner wall, when
When rotating the shaft 81, ball is driven to be moved back and forth between some grooves, so as to substantially sense the rotation of shaft 81
Shift feeling, in the present embodiment, movement of the ball 84 between adjacent grooves correspond to movable contact 41 in adjacent static contact
Between gear conversion, precise control is in place, easy to adjust.
As shown in fig. 7, further include the knob for being installed on the top of the shaft 81 and being rotated synchronously with the shaft 81
9, being provided between the knob 9 and the shaft 81 makes the knob 9 be pressurized when impacting to 81 direction kicking motion of shaft, and
The collapsing structure resetted after pressure disappearance, collapsing structure can be with energy-absorbings, injury when reducing impact to people.
Elaborate with reference to the concrete structure of Fig. 7-8 pairs of collapsing structures：
The collapsing structure includes：Axially take shape in 9 bottom of knob and the installation cavity stretched into suitable for the shaft 81
91, and the elastic component 92 being arranged in the installation cavity 91, the top of the shaft 81 be projecting axially into the installation cavity 91
Bias the elastic component 92；It is provided with to stop the shaft 81 between the top of the shaft 81 and the installation cavity 91
Top deviate from the hook structure of the installation cavity 91 under the active force of elastic component 92, so as to prevent the de- of knob and shaft
Fall, be connected reliable.
In the above embodiment, match somebody with somebody in the installation cavity by the way that elastic component 92 to be loaded to 9 bottom of knob and with shaft 81
Conjunction realizes that collapsing structure designs, this structure setting, and when the knob 9 is subjected to certain impact force, knob 9 can be to shaft
Direction kicking motion, and the homing after pressure disappearance, in such a case, it is possible to the injury to people be reduced, to meet to multiply
With the relevant regulatory requirements of car inner tabs.
Embodiment 2
Present embodiments provide a kind of automotive fan heater switch, including the knob speed-regulating switch described in embodiment 1.Cause
This, by turning knob speed-regulating switch come regulation stall, and then controls the size of current of automotive fan heater, realizes its air force
Adjusting, it is easy to use, lift the performance of product.
Obviously, the above embodiments are merely examples for clarifying the description, and the restriction not to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (11)
1. a kind of knob speed-regulating switch, is included in several static contacts (3) arc-shaped on base (1) and be intervally arranged, set
Dynamic touch panel (4) and the driving dynamic touch panel (4) above the base (1) rotates so that dynamic on the dynamic touch panel (4)
The operating mechanism (8) that contact (41) and several described static contacts (3) contact successively, it is characterised in that further include：
Elastic contact blade (5), has the first end (52) fixed with the dynamic touch panel (4) and in dynamic touch panel (4) rotation process
In, when the gap between the movable contact moves to the two neighboring static contact (3), with the two neighboring static contact
(3) any one in remains the second end (53) of contact.
2. knob speed-regulating switch according to claim 1, it is characterised in that：
The line of resilient contact (51), the resilient contact (51) and the movable contact (41) is provided with the second end (53)
Without the axle center of the dynamic touch panel (4), and the movable contact (41) and the line and the resilient contact (51) in the axle center
Arc length corresponding with the angle that the line in the axle center is formed is not less than the gap between the two neighboring static contact (3), together
When be not more than arc length of the static contact (3) along the movable contact (41) movement locus.
3. knob speed-regulating switch according to claim 2, it is characterised in that：
The dynamic touch panel (4) from low-grade location into high tap position rotation process, the resilient contact (51) is located at the movable contact
(41) rear of movement locus.
4. knob speed-regulating switch according to claim 3, it is characterised in that：The movement locus of the movable contact (41) and institute
The movement locus for stating resilient contact (51) is misaligned.
5. according to claim 1-4 any one of them knob speed-regulating switch, it is characterised in that：
Concentric arrangement of first contact (6) and the second wafer (7) are additionally provided with the base (1), the dynamic touch panel (4) is equipped with
The ground terminal (42) of normally closed contact is kept with first contact (6), and normally closed contact is kept with the second wafer (7)
Common port (43), the second wafer (7) are turned on by the dynamic touch panel (4) and the movable contact (41).
6. knob speed-regulating switch according to claim 5, it is characterised in that：Be embedded with the base (1) with it is described quiet
Some inserting terminals (11) that contact (3), first contact (6), the second wafer (7) are electrically connected.
7. knob speed-regulating switch according to claim 6, it is characterised in that：The operating mechanism (8) includes：
Shaft (81), is set with dynamic touch panel (4) linkage；
First spring (82), is set in the shaft (81), and one end is connected in the shaft (81), and the other end is connected to institute
State on touch panel (4), so that the dynamic touch panel (4) drives movable contact, ground terminal, common port thereon to be protected with the base (1)
Hold controllable contact.
8. knob speed-regulating switch according to claim 7, it is characterised in that：Further include and be set on the base (1)
Shell (2), is provided with gear adjusting mechanism between the shaft (81) and the shell (2), the gear adjusting mechanism includes：
At least one strut (83) radially extended by the side wall of the shaft (81), and take shape on the strut and towards described outer
The installation groove of the circumferential inner wall of shell (2), and the second spring being installed in the installation groove and bias second bullet
The ball (84) of spring, further includes the corresponding ball (84) and is circular layout in some grooves on the circumferential inner wall, the rolling
Pearl (84) contacts under the active force of second spring with the groove extruding on the circumferential inner wall.
9. the knob speed-regulating switch according to claim 7 or 8, it is characterised in that：Further include and be installed on the shaft (81)
Top on and with the shaft (81) rotate synchronously knob (9), be provided between the knob (9) and the shaft (81)
The knob (9) is set to be pressurized when impacting to shaft (81) direction kicking motion, and the collapsing structure resetted after pressure disappearance.
10. knob speed-regulating switch according to claim 9, it is characterised in that：The collapsing structure includes：Axially take shape in
Knob (9) bottom and the installation cavity (91) stretched into suitable for the shaft (81), and be arranged in the installation cavity (91)
Elastic component (92), the top of the shaft (81) are projecting axially into the bias elastic component (92) in the installation cavity (91)；
The top for being provided with to stop the shaft (81) between the top of the shaft (81) and the installation cavity (91) is in elasticity
Deviate from the hook structure of the installation cavity (91) under the active force of part (92).
11. a kind of automotive fan heater, it is characterised in that including claim 1-10 any one of them knob speed-regulating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721495266.3U CN207319978U (en) | 2017-11-10 | 2017-11-10 | A kind of knob speed-regulating switch and there is its automotive fan heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721495266.3U CN207319978U (en) | 2017-11-10 | 2017-11-10 | A kind of knob speed-regulating switch and there is its automotive fan heater |
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| Publication Number | Publication Date |
|---|---|
| CN207319978U true CN207319978U (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721495266.3U Withdrawn - After Issue CN207319978U (en) | 2017-11-10 | 2017-11-10 | A kind of knob speed-regulating switch and there is its automotive fan heater |
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| Country | Link |
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| CN (1) | CN207319978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107644770A (en) * | 2017-11-10 | 2018-01-30 | 大明电子有限公司 | A kind of knob speed-regulating switch and there is its automotive fan heater |
| CN110033980A (en) * | 2019-02-28 | 2019-07-19 | 广东欧文特电气有限公司 | A kind of uniselector |
-
2017
- 2017-11-10 CN CN201721495266.3U patent/CN207319978U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107644770A (en) * | 2017-11-10 | 2018-01-30 | 大明电子有限公司 | A kind of knob speed-regulating switch and there is its automotive fan heater |
| CN107644770B (en) * | 2017-11-10 | 2020-02-04 | 大明电子有限公司 | Knob speed control switch and have its car electric fan heater |
| CN110033980A (en) * | 2019-02-28 | 2019-07-19 | 广东欧文特电气有限公司 | A kind of uniselector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180504 Effective date of abandoning: 20200204 |
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| AV01 | Patent right actively abandoned |