CN201604571U - Automobile steering column and combination switch thereof - Google Patents
Automobile steering column and combination switch thereof Download PDFInfo
- Publication number
- CN201604571U CN201604571U CN2009202143269U CN200920214326U CN201604571U CN 201604571 U CN201604571 U CN 201604571U CN 2009202143269 U CN2009202143269 U CN 2009202143269U CN 200920214326 U CN200920214326 U CN 200920214326U CN 201604571 U CN201604571 U CN 201604571U
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- Prior art keywords
- flow guide
- guide bar
- contact
- spring leaf
- spring
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Abstract
The utility model discloses a combination switch, which is arranged on an automobile steering column and comprises a base and a lamplight switch component mounted on the base. The lamplight switch component consists of a mechanical portion and a circuit portion, a mechanical switch contact of the mechanical portion utilizes an elastic sheet type structure as a contact form. The combination switch can prevent plastic parts from being melted due to locally high temperature, and simultaneously avoids contact loss and short circuit caused by the contact loss. The utility model further discloses an automobile steering column comprising the combination switch.
Description
Technical field
The utility model relates to automobile technical field, particularly relates to a kind of combined switch that is installed on the car steering tube column, is used to control various light.In addition, the utility model also relates to a kind of car steering tube column that comprises the combinations thereof switch.
Background technology
The car steering tube column combined switch is the important composition parts of automobile lighting system, and it is positioned under the bearing circle, is inserted in the steering column during installation and near bearing circle, for the unlatching of each position light of user's operating and controlling vehicle, close.
Because the load current that switch need carry is bigger, can reach 20A, is easy to generate high temperature in the course of the work, local contact position burns, resistance value becomes big thereby cause, and the localized hyperthermia of generation impels peripheral plastic to melt, and causes that switching function lost efficacy.
This series products structure majority is to adopt sliding structure to realize that circuit switches at present, avoids localized hyperthermia, and guarantees the normal function of switch.As Granted publication number is the utility model patent specification sheets of CN 2650307Y, relate to a kind of automobile with combined switch on the steering column, include pedestal, be installed on headlamp switch assembly, wiper switch assembly and circuit board module on the pedestal, wire harness is welded on the circuit board module, the headlamp switch components is made of mechanics and circuit part, wherein the way of contact of the mechanical switch contact of mechanics is a sliding type, and circuit part is made of mechanical combined switch control loop, electronic control circuit and electronic working loop.
Please refer to Fig. 1, Fig. 2, Fig. 1 is a kind of representative type switch contact way of contact scheme drawing in the prior art, and Fig. 2 is the structural representation of contact disk shown in Fig. 1.The mode of the contact of switch contact shown in the figure is a sliding type, the motion of the different gears by headlamp switch, drive has the slide block of contact disk 11, different contact positions is realized on the conducting metal flow guide bar 12, the sliding type of switch contact contacts the generation of electric arc when having reduced the switch contact break-make, thereby has alleviated the ablation of contact.
But have individual problem often to occur, that is exactly the easy frictional loss in above-mentioned contact in motion process, and contact loss powder and dust grease can cause the switching function conversion to lose efficacy at short notice in conjunction with causing short circuit.
Therefore, how to avoid car steering tube column combined switch localized hyperthermia to produce the phenomenon that plastic melts, the short circuit phenomenon that can avoid contact loss and loss to cause again simultaneously is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of combined switch.This combined switch can avoid localized hyperthermia to produce the phenomenon that plastic melts, the short circuit phenomenon that can avoid contact loss and loss to cause again simultaneously.Another purpose of the present utility model provides a kind of car steering tube column that comprises the combinations thereof switch.
For solving the problems of the technologies described above, the utility model provides a kind of combined switch, be arranged at car steering tube column, comprise pedestal, be installed on the headlamp switch assembly on the pedestal, described headlamp switch assembly is made of mechanics and circuit part, and the way of contact of the mechanical switch contact of described mechanics is the spring-piece type structure.
Preferably, described spring-piece type structure comprises slide block and many group spring leafs, described spring leaf is positioned at the metal flow guide bar below of described circuit part, per two spring leafs are one group, the front end of each spring leaf has and the corresponding contact of described metal flow guide bar, and be provided with the pre-pin that is upward through the metal flow guide bar in position near the contact, the root of each spring leaf is fixed on the attachment point position of described metal flow guide bar, wherein two spring leafs on the same group are connected as a single entity at root, described slide block is positioned at described metal flow guide bar top, is provided with curved surface at the roof pressure position corresponding to ejector pin on it.
Preferably, described metal flow guide bar is made up of three flow guide bars, be respectively country beam flow guide bar, left and right sides steering indicating light and passing light flow guide bar, the lamp flow guide bar of overtaking other vehicles, described three flow guide bars and four groups of spring leafs constitute whole loop, control country beam keying, the keying of left and right sides steering indicating light, passing light unlatching and the lamp of overtaking other vehicles respectively and open and close.
Preferably, described four groups of left and right symmetrical distributions of spring leaf, and arranged on left and right sides is respectively two groups, is " eight " font substantially.
Preferably, described slide block comprises swivel block peace movable slider, the spring leaf in loop is opened corresponding to left and right sides steering indicating light in the roof pressure position of described swivel block, the spring leaf that open corresponding to country beam unlatching, passing light unlatching and the lamp of overtaking other vehicles at the roof pressure position of described translation slide block.
Preferably, the spring leaf roof pressure position of described swivel block is specially the arc raised line, and the curved surface on it is positioned at the end of described arc raised line.
Preferably, the spring leaf roof pressure position of described translation slide block is specially chute, and the curved surface on it is positioned at the end of described chute.
Combined switch provided by the utility model is with the contact motion way of contact of mechanics, become the shell fragment way of contact by sliding contacting mode, because the position, contact has only contact, disconnect action, there are not slide relative and friction, therefore this process can not cause any wearing and tearing of contact, can not cause short circuit yet, and be not subjected to effect of dust, can avoid occurring the contact loss, and loss powder in contact combines the short circuit phenomenon that causes with the dust grease, can avoid localized hyperthermia to produce phenomenons such as plastic thawing simultaneously again, can satisfy functional requirement, can suitably reduce manufacturing cost again, improve product reliability.
In a kind of preferred implementation, the spring-piece type structure comprises slide block and many group spring leafs, the front end of each spring leaf has contact and ejector pin, many group spring leafs and flow guide bar constitute whole loop, control the open and close of each street lamp pipe respectively, slide block is provided with curved surface at the roof pressure position corresponding to ejector pin, and the ejector pin of the motion top pressure spring sheet by slide block impels one of spring leaf to open one to close, realize the connection conversion of circuit.When swivel block when axle rotatablely moves by cw or anticlockwise direction, promote corresponding spring leaf ejector pin motion by the curved surface on the swivel block, thereby the contact on the drive spring leaf is opened or is closed, and realizes the switching of circuit, finishes the unlatching of steering direction lamp.When the translation slide block carries out translation, promote the ejector pin motion of respective springs sheet by the curved surface on the translation slide block, thereby the contact that drives on the spring leaf open or close, realize the switching of circuit, finish the unlatching of the far and near lamp and the lamp of overtaking other vehicles.Slide and friction though such structure still exists at the ejector pin position,, therefore can not constitute influence the position, contact that is positioned at metal flow guide bar below because the position that ejector pin contacts with slide block is positioned at metal flow guide bar top.
In a kind of preferred implementation, described metal flow guide bar is made up of three flow guide bars, be respectively country beam flow guide bar, left and right sides steering indicating light and passing light flow guide bar, the lamp flow guide bar of overtaking other vehicles, described three flow guide bars and four groups of spring leafs constitute whole loop, control country beam unlatching, the unlatching of left and right sides steering indicating light, passing light unlatching and the lamp of overtaking other vehicles respectively and open.Like this, the flow guide bar of complexity resolved into three circuits after, it is reasonable that its flow guide bar moves towards pattern, the prior art of comparing, advantages such as having simple in structure, low cost of manufacture, be easy to assembling, dependable performance, durability are long.
Another purpose of the present utility model provides a kind of car steering tube column that comprises the combinations thereof switch.Because the combinations thereof switch has above-mentioned technique effect, the car steering tube column that the combinations thereof switch is installed also should possess the corresponding techniques effect.
Description of drawings
Fig. 1 is a kind of representative type switch contact way of contact scheme drawing in the prior art;
Fig. 2 is the structural representation of contact disk shown in Fig. 1;
Fig. 3 is the structural representation of metal flow guide bar in a kind of specific embodiment of combined switch provided by the utility model;
Fig. 4 is the decomposition texture scheme drawing of metal flow guide bar shown in Figure 3;
Fig. 5 is the structural representation of one group of spring leaf in a kind of specific embodiment of figure combined switch provided by the utility model;
Fig. 6 is that spring leaf shown in Figure 5 is installed in the structural representation on the metal flow guide bar;
Fig. 7 is the assembling scheme drawing of swivel block in a kind of specific embodiment of combined switch provided by the utility model, translation slide block, metal flow guide bar, spring leaf;
Fig. 8 is the structural representation of swivel block shown in Fig. 7;
Fig. 9 is the structural representation of translation slide block shown in Fig. 7;
Figure 10 is spring leaf contact and flow guide bar contacting structure scheme drawing;
Figure 11 is spring leaf contact and the open circuited structural representation of flow guide bar.
Pairing parts of numeral number or toponym are as follows among the figure:
300. spring leaf attachment point positions, lamp flow guide bar 200. contacts, 400. spring leafs 200 11. contact disk 12. metal flow guide bars, 100. flow guide bar 101. country beam flow guide bars, 102. left and right sides steering indicating lights and passing light flow guide bar 103. are overtaken other vehicles '. contact 401. ejector pins, 402. mounting holes, 500. slide blocks, 501. swivel blocks, 502. translation slide blocks, 503. arc raised lines, 504. curved surfaces, 505. chutes, 506. curved surfaces
The specific embodiment
Core of the present utility model provides a kind of combined switch that is used for car steering tube column, and this combined switch can avoid localized hyperthermia to produce the phenomenon that plastic melts, the short circuit phenomenon that can avoid contact loss and loss to cause again simultaneously.Another core of the present utility model provides a kind of car steering tube column that comprises the combinations thereof switch.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 3, Fig. 4, Fig. 3 is the structural representation of metal flow guide bar in a kind of specific embodiment of combined switch provided by the utility model, and Fig. 4 is the decomposition texture scheme drawing of metal flow guide bar shown in Figure 3.
Metal flow guide bar 100 in this specific embodiment is made up of three flow guide bars, it is respectively country beam flow guide bar 101, left and right sides steering indicating light and passing light flow guide bar 102, the lamp flow guide bar 103 of overtaking other vehicles, wherein country beam flow guide bar 101 is provided with two contacts 200, the middle part of left and right sides steering indicating light and passing light flow guide bar is provided with five contacts 200, and on the left side is provided with two groups of spring leaf attachment point positions 300, be provided with one group of spring leaf attachment point position 300 on the right, the lamp flow guide bar 103 of overtaking other vehicles is provided with one group of spring leaf attachment point position 300 at its afterbody, described flow guide bar is installed in the pedestal of combined switch by pin, be connected on circuit with the circuit board module of combined switch, wire harness is welded on the circuit board module, other line construction can realize that with reference to prior art this paper just repeats no more.
Please refer to Fig. 5,6, Fig. 5 is the structural representation of one group of spring leaf in a kind of specific embodiment of combined switch provided by the utility model, and Fig. 6 is installed in structural representation on the metal flow guide bar for spring leaf shown in Figure 5.
Per two spring leafs 400 are one group, the front end of each spring leaf 400 be equipped with contact 200 ', this contact 200 ' corresponding with the contact 200 on the above-mentioned metal flow guide bar, in addition, also be provided with ejector pin 401 on each spring leaf 400, ejector pin 401 be screwed near contact 200 ' the position, after spring leaf 400 is installed on the metal flow guide bar 100, ejector pin 401 is upward through metal flow guide bar 100, exceed metal flow guide bar 100 certain distances, two spring leafs 400 of every group are connected as a single entity at root, and offer two mounting holes 402 at root, can be fixed in screw or pin on each attachment point position 300 of metal flow guide bar 100.After the installation, its have contact 200 ' front end just become tache motorice, under the effect of spring leaf 400 self elastic force, its contact 200 ' can contact, thereby turning circuit with the contact 200 on the metal flow guide bar 100, be used for ejector pin 401 as downward masterpiece, when forcing ejector pin 401 to move downward, can overcome the elastic force of spring leaf 400, making spring leaf 400 front ends is that fulcrum is to lower swing with attachment point position 300, be separated with the contact 200 on the metal flow guide bar 100, thereby cut off circuit.
Three flow guide bars and four groups of spring leafs constitute whole loop, controlling country beam unlatching, the unlatching of left and right sides steering indicating light, passing light unlatching and the lamp of overtaking other vehicles respectively opens, four groups of left and right symmetrical distributions of spring leaf, and arranged on left and right sides is respectively two groups, is " eight " font substantially.
Because ejector pin 401 is the drive disk assemblies that are positioned on the spring leaf 400, be used to transmit the power that flow guide bar top slide block applies downwards, it is not conductive component, for avoiding ejector pin 401 when passing through flow guide bar 100 and flow guide bar 100 conducting on circuit, influence the normal use of switch, need reserve the space of passing for ejector pin 401 on flow guide bar 100, the size in this space will guarantee that ejector pin 401 does not contact with flow guide bar 100 all the time in the up-and-down movement process.
Please refer to Fig. 7, Fig. 8, Fig. 9, Fig. 7 is the assembling scheme drawing of swivel block in a kind of specific embodiment of combined switch provided by the utility model, translation slide block, metal flow guide bar, spring leaf, Fig. 8 is the structural representation of swivel block shown in Fig. 7, and Fig. 9 is the structural representation of translation slide block shown in Fig. 7.
Please refer to Figure 10, Figure 11, Figure 10 is spring leaf contact and flow guide bar contacting structure scheme drawing, and Figure 11 is spring leaf contact and the open circuited structural representation of flow guide bar.
The upper end of ejector pin 401 is the semisphere of rounding off everywhere, curved surface on swivel block or translation slide block is in motion process, from ejector pin 401 upper ends through out-of-date, if move in the curved surface edge direction of roof pressure ejector pin 401 gradually, the elastic force that roof pressure ejector pin 401 is overcome spring leaf 400 moves downward, thereby drive contact 200 on the spring leaf 400 ' with flow guide bar 100 on contact 200 disengagings, reach the purpose of cutting off circuit, if curved surface moves along the direction of loosening ejector pin 401 gradually, ejector pin 401 will be under the elastic force effect of spring leaf 400 upward movement, thereby drive contact 200 on the spring leaf 400 ' contact, reach the purpose of turning circuit with contact 200 on the flow guide bar 100.
During work, swivel block 501 is a turning cylinder with the Z axle, rotatablely move by cw or anticlockwise direction, promote ejector pin 401 motions of respective springs sheet 400 by the curved surface on the swivel block 501 504, thereby drive the opening and closing of respective springs sheet 400 upper contacts, realize the switching of circuit, finish the unlatching of steering direction lamp.
Translation slide block 502 carries out left and right sides translation by Y direction, promote ejector pin 401 motions of respective springs sheet 400 by the curved surface on the translation slide block 502 506, thereby drive the opening and closing of respective springs sheet 400 upper contacts, realize the switching of circuit, finish the unlatching of the far and near lamp and the lamp of overtaking other vehicles.
Below introduce the technique effect that combined switch possessed that the utility model provides:
Combined switch provided by the utility model is with the contact motion way of contact of mechanics, become the shell fragment way of contact by sliding contacting mode, its contact no longer is switched on or switched off in the mode of sliding, but in position by contact, disconnecting action controls, because the position, contact has only contact, disconnect two simple actions, there are not slide relative and friction, corresponding slip and friction are transferred to the ejector pin position, therefore whole process can not cause any wearing and tearing of contact, can not cause short circuit yet, and be not subjected to effect of dust, can avoid the contact loss occurring, and loss powder in contact combines the short circuit phenomenon that causes with the dust grease, can avoid simultaneously localized hyperthermia to produce phenomenons such as plastic thawing again, can satisfy functional requirement, can suitably reduce manufacturing cost again, improve product reliability.
Slide and friction though such structure still exists at the ejector pin position,, therefore can not constitute influence the position, contact that is positioned at metal flow guide bar below because the position that ejector pin contacts with slide block is positioned at metal flow guide bar top.
The utility model also provides a kind of car steering tube column that comprises the combinations thereof switch, and combined switch is positioned under the bearing circle, is inserted in the steering column during installation and near bearing circle, for the unlatching of each position light of user's operating and controlling vehicle, close.
The structure of these other each several parts of car steering tube column please refer to prior art, and this paper repeats no more.Because the combinations thereof switch has above-mentioned technique effect, the car steering tube column with combinations thereof switch also should possess the corresponding techniques effect.
More than car steering tube column provided by the utility model and combined switch thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present utility model.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. combined switch, be arranged at car steering tube column, comprise pedestal, be installed on the headlamp switch assembly on the pedestal, described headlamp switch assembly is made of mechanics and circuit part, it is characterized in that the way of contact of the mechanical switch contact of described mechanics is the spring-piece type structure.
2. combined switch according to claim 1, it is characterized in that, described spring-piece type structure comprises slide block and many group spring leafs, described spring leaf is positioned at the metal flow guide bar below of described circuit part, per two spring leafs are one group, the front end of each spring leaf has and the corresponding contact of described metal flow guide bar, and be provided with the ejector pin that is upward through the metal flow guide bar in position near the contact, the root of each spring leaf is fixed on the attachment point position of described metal flow guide bar, wherein two spring leafs on the same group are connected as a single entity at root, described slide block is positioned at described metal flow guide bar top, is provided with curved surface at the roof pressure position corresponding to ejector pin on it.
3. combined switch according to claim 2, it is characterized in that, described metal flow guide bar is made up of three flow guide bars, be respectively country beam flow guide bar, left and right sides steering indicating light and passing light flow guide bar, the lamp flow guide bar of overtaking other vehicles, described three flow guide bars and four groups of spring leafs constitute whole loop, control country beam keying, the keying of left and right sides steering indicating light, passing light unlatching and the lamp of overtaking other vehicles respectively and open and close.
4. combined switch according to claim 3 is characterized in that, described four groups of left and right symmetrical distributions of spring leaf, and and arranged on left and right sides is respectively two groups, is " eight " font.
5. combined switch according to claim 2, it is characterized in that, described slide block comprises swivel block peace movable slider, the spring leaf in loop is opened corresponding to left and right sides steering indicating light in the roof pressure position of described swivel block, the spring leaf that open corresponding to country beam unlatching, passing light unlatching and the lamp of overtaking other vehicles at the roof pressure position of described translation slide block.
6. combined switch according to claim 5 is characterized in that, the spring leaf roof pressure position of described swivel block is specially the arc raised line, and the curved surface on it is positioned at the end of described arc raised line.
7. combined switch according to claim 5 is characterized in that, the spring leaf roof pressure position of described translation slide block is specially chute, and the curved surface on it is positioned at the end of described chute.
8. a car steering tube column is characterized in that, comprises aforesaid right requirement 1 to 7 arbitrary described combined switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202143269U CN201604571U (en) | 2009-11-27 | 2009-11-27 | Automobile steering column and combination switch thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202143269U CN201604571U (en) | 2009-11-27 | 2009-11-27 | Automobile steering column and combination switch thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201604571U true CN201604571U (en) | 2010-10-13 |
Family
ID=42949280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202143269U Expired - Fee Related CN201604571U (en) | 2009-11-27 | 2009-11-27 | Automobile steering column and combination switch thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201604571U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102686067A (en) * | 2012-05-07 | 2012-09-19 | 加弘科技咨询(上海)有限公司 | Lockset and application thereof |
| CN105799619A (en) * | 2016-04-11 | 2016-07-27 | 科世达（上海）管理有限公司 | Steering column switch |
| CN107248459A (en) * | 2017-08-08 | 2017-10-13 | 江苏正通电子股份有限公司 | A kind of automobile controlling switch agent set |
-
2009
- 2009-11-27 CN CN2009202143269U patent/CN201604571U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102686067A (en) * | 2012-05-07 | 2012-09-19 | 加弘科技咨询(上海)有限公司 | Lockset and application thereof |
| CN102686067B (en) * | 2012-05-07 | 2015-07-08 | 加弘科技咨询(上海)有限公司 | Lockset and application thereof |
| CN105799619A (en) * | 2016-04-11 | 2016-07-27 | 科世达（上海）管理有限公司 | Steering column switch |
| CN105799619B (en) * | 2016-04-11 | 2019-05-03 | 科世达（上海）管理有限公司 | A kind of steering-column switch |
| CN107248459A (en) * | 2017-08-08 | 2017-10-13 | 江苏正通电子股份有限公司 | A kind of automobile controlling switch agent set |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20161127 |