CN202283907U - Stud mechanism for wiper and wiper with the stud mechanism - Google Patents
Stud mechanism for wiper and wiper with the stud mechanism Download PDFInfo
- Publication number
- CN202283907U CN202283907U CN2011203241158U CN201120324115U CN202283907U CN 202283907 U CN202283907 U CN 202283907U CN 2011203241158 U CN2011203241158 U CN 2011203241158U CN 201120324115 U CN201120324115 U CN 201120324115U CN 202283907 U CN202283907 U CN 202283907U
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- windscreen wiper
- wiper
- wall
- double
- screw bolt
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Abstract
The utility model discloses a stud mechanism for wiper and a wiper with the stud mechanism. The stud mechanism for wiper comprises a wiper mounting rod, a transmission mechanism and a connection plate, wherein the bottom of the transmission mechanism of a tubular structure is fixedly coupled with the radial connection plate; the bottom of the hollow cavity of the transmission mechanism is provided with a crush buffer device, the wiper mounting rod is arranged on the crush buffer device; an adaptation mechanism is arranged between the outer wall of the wiper mounting rod and the wall of the transmission mechanism and used for making sure the perimeter rotation cooperation and simultaneously axial slide cooperation between them; on the position above the adaptation mechanism, the outer wall of the wiper mounting rod and the wall of the transmission mechanism are fixedly connected and limited and relative movement is not present between them. In the premise of realizing the function of the normal wiper, the force is accurately limited by a force limit pin nail to realize the axial spring crush performance is realized and effectively protect the head of the pedestrian from being damaged when the pedestrian is impacted. The stud mechanism for wiper and the wiper with the stud mechanism are suitable for the vehicles with exposed wiper stud mechanism.
Description
Technical field
The utility model relates to a kind of vehicle windscreen wiper, relates in particular to the double-screw bolt mechanism of wiper, and specifically a kind of windscreen wiper is with double-screw bolt mechanism and be equipped with the wiper of this double-screw bolt mechanism.
Background technology
Laws and regulations and NCAP requirement according to European Union; When bump pedestrian and cyclist's accident take place in vehicle; Vehicle bumper, cabin lid, wiper body and front windshield should have protection pedestrian's performance; And China recommended to carry out in 2010 about the laws and regulations requirement of pedestrian protecting, estimated to put teeth in 2013, and this just has higher requirement for China's auto-domain.Wiper body mainly contains dual mode to pedestrian's protection at present:
The one, adopt the safety air bag form, when the sensor that is contained in front part of vehicle detected the bump pedestrian, central process unit was according to the sensor signal a little quick-fried windscreen wiper place air bag module of giving an order, thereby reached the purpose of protecting the pedestrian.
Another kind is the mode that adopts the fracture of windscreen wiper arm, when wiper body receives external impacts, fracture failure takes place, and whole wiper body moves down, thereby reaches protection pedestrian's purpose.
Above-mentioned dual mode exists following shortcoming:
(1) influenced by sensor technology etc., the air bag for protection form realizes complicated, and manufacturing cost is high, can not repeated usage;
(2) realization of fracture mode receives the different influence of quantity of hold-down arm, and is inaccurate to disruption characteristic control, and influences the service life of windscreen wiper system, can not repeated usage.
Summary of the invention
The technical matters that the utility model will solve; Provide a kind of windscreen wiper double-screw bolt mechanism and be equipped with the wiper of this double-screw bolt mechanism; Realize under the prerequisite of normal wiper function; Accurately limit power through the force limit pin nail,, reach the purpose that effective guard rows head part avoids damaging when the bump pedestrian to realize axial spring conquassation performance.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
A kind of windscreen wiper double-screw bolt mechanism, it comprises windscreen wiper arm mounting rod, transmission device, connecting panel; Transmission device is the tubular structure that has cavity, is fixedly connected between the connecting panel of its bottom and radially setting; The cavity inner bottom part is provided with the conquassation shock absorber, and the bottom of windscreen wiper arm mounting rod is located in the cavity and is positioned on the conquassation shock absorber;
Be provided with the adapter structure that makes the two circumferential normal-running fit axial sliding fit simultaneously between the bottom outer wall of windscreen wiper arm mounting rod and the wall of transmission device; In the top position of adapter structure, connect firmly and spacing the two no relative motion between the bottom outer wall of windscreen wiper arm mounting rod and the wall of transmission device.
A kind of qualification as the utility model is fixedly connected through fix screw between said transmission device and connecting panel, and said contained spring is positioned at the top of fix screw.
Limit as the utility model is another kind of, said adapter structure is the fit structure of structure, key and keyway of fit structure, the gear mesh of splined.
As the further qualification of the utility model, connect firmly between the bottom outer wall of said windscreen wiper arm mounting rod and the wall of transmission device with spacing, be to cooperate through interference fit, swelling cooperation or the profile of the two above the adapter structure to realize.
Further limiting as the another kind of of the utility model, connect firmly between the bottom outer wall of said windscreen wiper arm mounting rod and the wall of transmission device with spacing, is to realize through the pin that radially is provided with that is connected in the two.
The utility model also has a kind of qualification, and said conquassation shock absorber is a kind of in contained spring, pyramidal structure, the U type conquassation mechanism.
The utility model also provides a kind of wiper that is equipped with above-mentioned double-screw bolt mechanism; Said wiper comprises the windscreen wiper arm that is assemblied in one, aforesaid windscreen wiper double-screw bolt mechanism, rain shaving electrical machine, motor mounting plate, bindiny mechanism, windscreen wiper mounting bracket; Wherein, Transmission device is connected on the windscreen wiper mounting bracket, with windscreen wiper mounting bracket normal-running fit.
The principle of work of the utility model is following:
By the locking action of connector to connecting between windscreen wiper arm mounting rod and transmission device, make and relative motion can not take place with transmission device, compress by contained spring simultaneously.Through transmission device, can convert motor-driven power into rotation, and rotation is passed to windscreen wiper arm mounting rod around mounting bracket, rotate thereby drive the windscreen wiper arm, realize the function of normally scraping water of wiper.
In-house at the windscreen wiper double-screw bolt, realize combining all the time of windscreen wiper arm mounting rod and transmission device through pin and spring, thus the normal in-use performance of assurance wiper body.Spring in use owing to only be compressed power, and can not relatively rotate, thus high life, good reliability.
When pedestrian head bump windscreen wiper double-screw bolt mechanism position, windscreen wiper arm mounting rod at first can receive the effect of head impact power, under this power effect; At first can accurately limit power, when power reaches limiting design value, rupture, prolong spline then and continue to lower slider by pin; Spring begins to work; And enough support stiffness are provided, thus slow down the impact effect of head, finally reach guard rows head part's purpose.This conceptual design initial stage draws effective guard rows head part's accurate pin disruptive force value and spring stiffness through the CAE technological analysis; In bump, can realize the accurate limit power of windscreen wiper mounting rod, and limit power value can design according to the different automobile types structure to lower slider; The use of spring simultaneously can be carried out the different adjustment of rigidity, can improve the pooling feature to head; This scheme reusability is good, and cost is low, and reliability is high, and is obvious to pedestrian head protection effect.
Owing to adopted above-mentioned technical scheme, the utility model compared with prior art, the technological advance of being obtained is:
(1) connecting relation between the utility model windscreen wiper arm mounting rod and transmission device; Can realize motor is rotated the function that passes to the windscreen wiper stud shaft; And do the time spent receiving external impacts; Can realize prolonging axial sliding up and down, provide enough deformation spaces to come actv. guard rows head part to avoid damage then;
(2) provide pin, swelling connection, the interference of accurate limit power value to connect; Can guarantee the use of wiper body normal function, and when receiving impact effect, at first rupture; Tentatively slow down impact, further play buffer action by the conquassation shock absorber to head;
(3) the conquassation shock absorber can guarantee during normal use, the windscreen wiper double-screw bolt is engaged with transmission device closely, and can not receive the turning effort effect, only receives conquassation power, high life, good reliability.And when receiving impact effect, can provide enough rigidity that the effect of head is cushioned, the protection head;
(4) cost of goods manifactured that the utility model provides is cheap.
The utility model is applicable to the exposed vehicle of windscreen wiper double-screw bolt mechanism.
The utility model below will combine Figure of description and specific embodiment to do further explain.
Description of drawings
Fig. 1 is the integral structure scheme drawing of windscreen wiper double-screw bolt mechanism 2 among the utility model embodiment;
Fig. 2 is the integral structure scheme drawing of wiper that is equipped with the windscreen wiper double-screw bolt mechanism 2 of the utility model;
Fig. 3 is the scheme drawing of windscreen wiper double-screw bolt shown in Figure 1 mechanism 2 conquassation states;
Fig. 4 is the partial enlarged drawing of Fig. 2.
Among the figure: 1-windscreen wiper arm, 2-windscreen wiper double-screw bolt mechanism, 3-rain shaving electrical machine, 4-motor mounting plate; 5-bindiny mechanism, 6-windscreen wiper mounting bracket, 7-windscreen wiper arm mounting rod, 8-transmission device; 9-pin, 10-contained spring, 11-fix screw, 12-connecting panel.
The specific embodiment
embodiment a kind of windscreen wiper double-screw bolt mechanism and be equipped with the wiper of this double-screw bolt mechanism.
As shown in Figure 1 a kind of windscreen wiper double-screw bolt mechanism 2, it comprises windscreen wiper arm mounting rod 7, transmission device 8, pin 9, spring 10, fix screw 11 and connecting panel 12.
The top of cavity inner bottom part fix screw 11 is provided with contained spring 10 as the conquassation shock absorber, and the bottom of windscreen wiper arm mounting rod 7 is located in the cavity and is positioned on the contained spring 10.
Form the circumferentially connecting relation of normal-running fit axial sliding fit simultaneously through splined between the bottom outer wall of windscreen wiper arm mounting rod 7 and the wall of transmission device 8; But, in the top position of splined structure, between the bottom outer wall of windscreen wiper arm mounting rod 7 and the wall of transmission device 8 through through them the two the pin that radially is provided with 9 realize connecting firmly and be spacing, thereby cause the two no relative motion.
The application of above-mentioned double-screw bolt mechanism; Promptly like Fig. 2, a kind of wiper that is equipped with above-mentioned double-screw bolt mechanism 2 shown in Figure 4; This wiper comprises the windscreen wiper arm 1 that is assemblied in one, aforesaid windscreen wiper double-screw bolt mechanism 2, rain shaving electrical machine 3, motor mounting plate 4, bindiny mechanism 5, windscreen wiper mounting bracket 6; Wherein, transmission device 8 is connected on the windscreen wiper mounting bracket 6, with windscreen wiper mounting bracket 6 normal-running fiies.
It is above-mentioned structural different that the structure of this wiper and the difference of prior art only are that double-screw bolt mechanism itself had, and the structure of other part is identical.
The state reference map 3 of double-screw bolt mechanism after in the present embodiment by conquassation.
Embodiment 2 one kinds of windscreen wiper double-screw bolts mechanism and be equipped with the wiper of this double-screw bolt mechanism
I. the windscreen wiper double-screw bolt mechanism in the present embodiment compares with the Related product among the embodiment 1, and difference only is:
(1) adapter structure in the present embodiment is the structure of gear mesh, or is the fit structure of key and keyway.The fit structure that replaces the splined among the embodiment 1.
(2) replace the contained spring 10 among the embodiment 1 with pyramidal structure or U type conquassation mechanism in the present embodiment, as the conquassation shock absorber.
(3) mode that interference fit, swelling cooperate or profile cooperates of the two between the wall of the bottom outer wall through adapter structure top windscreen wiper arm mounting rod 7 and transmission device 8 in the present embodiment realizes connecting firmly between the wall of bottom outer wall and transmission device 8 of windscreen wiper arm mounting rod 7 and spacing.Pin 9 and splined structure among the embodiment 1 have been replaced.
II. the wiper that is equipped with windscreen wiper double-screw bolt mechanism in the present embodiment is compared with the Related product among the embodiment 1, and difference only is: the structure of windscreen wiper double-screw bolt mechanism is different, and is specifically of preceding article.
Claims (7)
1. windscreen wiper double-screw bolt mechanism,
It is characterized in that:It comprises windscreen wiper arm mounting rod, transmission device, pin, spring and connecting panel; Transmission device is the tubular structure that has cavity, is fixedly connected between the connecting panel of its bottom and radially setting; The cavity inner bottom part is provided with the conquassation shock absorber, and the bottom of windscreen wiper arm mounting rod is located in the cavity and is positioned on the conquassation shock absorber;
Be provided with the adapter structure that makes the two circumferential normal-running fit axial sliding fit simultaneously between the bottom outer wall of windscreen wiper arm mounting rod and the wall of transmission device; In the top position of adapter structure, connect firmly and spacing the two no relative motion between the bottom outer wall of windscreen wiper arm mounting rod and the wall of transmission device.
2. windscreen wiper double-screw bolt according to claim 1 mechanism,
It is characterized in that:Be fixedly connected through fix screw between said transmission device and connecting panel, said contained spring is positioned at the top of fix screw.
3. windscreen wiper double-screw bolt according to claim 1 mechanism,
It is characterized in that:Said adapter structure is the fit structure of structure, key and the keyway of splined fit structure, gear mesh.
4. windscreen wiper double-screw bolt according to claim 3 mechanism,
It is characterized in that:Connecting firmly between the bottom outer wall of said windscreen wiper arm mounting rod and the wall of transmission device with spacing, is to cooperate through interference fit, swelling cooperation or the profile of the two above the adapter structure to realize.
5. windscreen wiper double-screw bolt according to claim 3 mechanism,
It is characterized in that:Connecting firmly between the bottom outer wall of said windscreen wiper arm mounting rod and the wall of transmission device with spacing, is to realize through the pin that radially is provided with that is connected in the two.
6. windscreen wiper double-screw bolt according to claim 1 mechanism,
It is characterized in that:Said conquassation shock absorber is a kind of in contained spring, pyramidal structure, the U type conquassation mechanism.
7. wiper that is equipped with like each described windscreen wiper double-screw bolt mechanism in the claim 1-6,
It is characterized in that:Said wiper comprises the windscreen wiper arm that is assemblied in one, aforesaid windscreen wiper double-screw bolt mechanism, rain shaving electrical machine, motor mounting plate, bindiny mechanism, windscreen wiper mounting bracket, and wherein, transmission device is connected on the windscreen wiper mounting bracket, with windscreen wiper mounting bracket normal-running fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203241158U CN202283907U (en) | 2011-08-31 | 2011-08-31 | Stud mechanism for wiper and wiper with the stud mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203241158U CN202283907U (en) | 2011-08-31 | 2011-08-31 | Stud mechanism for wiper and wiper with the stud mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202283907U true CN202283907U (en) | 2012-06-27 |
Family
ID=46295437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203241158U Expired - Lifetime CN202283907U (en) | 2011-08-31 | 2011-08-31 | Stud mechanism for wiper and wiper with the stud mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202283907U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818784A (en) * | 2016-04-25 | 2016-08-03 | 北京新能源汽车股份有限公司 | Windscreen wiper support and have its vehicle |
| CN107972628A (en) * | 2017-10-31 | 2018-05-01 | 奇瑞汽车股份有限公司 | A kind of wiper for being conducive to pedestrian head protection |
| CN110588567A (en) * | 2019-10-18 | 2019-12-20 | 浙江科锋汽车电器有限公司 | Pedestrian protection device and windscreen wiper system comprising same |
| CN111746469A (en) * | 2019-03-26 | 2020-10-09 | 比亚迪股份有限公司 | Windscreen wiper and vehicle |
-
2011
- 2011-08-31 CN CN2011203241158U patent/CN202283907U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818784A (en) * | 2016-04-25 | 2016-08-03 | 北京新能源汽车股份有限公司 | Windscreen wiper support and have its vehicle |
| CN105818784B (en) * | 2016-04-25 | 2018-09-11 | 北京新能源汽车股份有限公司 | Windscreen wiper support and have its vehicle |
| CN107972628A (en) * | 2017-10-31 | 2018-05-01 | 奇瑞汽车股份有限公司 | A kind of wiper for being conducive to pedestrian head protection |
| CN111746469A (en) * | 2019-03-26 | 2020-10-09 | 比亚迪股份有限公司 | Windscreen wiper and vehicle |
| CN110588567A (en) * | 2019-10-18 | 2019-12-20 | 浙江科锋汽车电器有限公司 | Pedestrian protection device and windscreen wiper system comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120627 |
|
| CX01 | Expiry of patent term |