CN213035785U - Wiper and vehicle with same - Google Patents
Wiper and vehicle with same Download PDFInfo
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- CN213035785U CN213035785U CN202021220116.3U CN202021220116U CN213035785U CN 213035785 U CN213035785 U CN 213035785U CN 202021220116 U CN202021220116 U CN 202021220116U CN 213035785 U CN213035785 U CN 213035785U
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- wiper
- wiper blade
- driving
- drive
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- 230000005540 biological transmission Effects 0.000 claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 22
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- 230000001052 transient effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000002697 Tooth Abrasion Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a wiper and vehicle that has it, the wiper includes: the wiper assembly is provided with a rotating shaft and a wiper blade connected to one end of the rotating shaft, and a transmission gear is arranged at the other end of the rotating shaft; the driving mechanism comprises a driving motor and a driving gear connected to a driving shaft of the driving motor; and the intermediate transmission part is suitable for being meshed with the transmission gear and the driving gear. According to the utility model discloses wiper connects driving gear and drive gear drive ground through setting up the intermediate transfer spare, because gear drive's drive ratio is certain, and the velocity of motion and the motor functioning speed of windscreen wiper subassembly are relevant, do not have the speed of singularity and transient, reduce the abnormal sound.
Description
Technical Field
The utility model relates to the field of automotive technology, in particular to wiper and vehicle that has it.
Background
The traditional wiper structure is a rocker arm type structure, the rocker arm type structure is a multi-link mechanism, the structure has the main problems that the rocker arm swings to occupy larger space, the rocker arm swings to easily generate abnormal sound, the wiper is limited by the structure of the rocker arm in the moving process, and the moving speed is uneven.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wiper, this wiper operates steadily, and the probability that takes place the speed transition is less, is difficult for producing the abnormal sound.
Another object of the present invention is to provide a vehicle including the wiper having the above advantages.
According to the utility model discloses wiper, include: the wiper assembly is provided with a rotating shaft and a wiper blade connected to one end of the rotating shaft, and a transmission gear is arranged at the other end of the rotating shaft; the driving mechanism comprises a driving motor and a driving gear connected to a driving shaft of the driving motor; and the intermediate transmission part is suitable for being meshed with the transmission gear and the driving gear.
According to the utility model discloses wiper connects driving gear and drive gear drive ground through setting up the intermediate transfer spare, because gear drive's drive ratio is certain, and the velocity of motion and the motor functioning speed of windscreen wiper subassembly are relevant, do not have the speed of singularity and transient, reduce the abnormal sound.
In addition, according to the wiper blade of the above embodiment of the present invention, the following additional technical features may also be provided:
in some embodiments, the intermediate drive is at least one of a belt, a chain, a gear, a worm gear, and a worm.
In some embodiments, the wiper assembly includes two sets of driving gears spaced apart from each other on opposite sides of the driving gear, the intermediate transmission member is a belt, and an inner ring of the belt is provided with teeth adapted to engage with the driving gear and the transmission gear.
In some embodiments, the drive gear and the two drive gears are triangularly disposed.
In some embodiments, a telescopic connecting rod is arranged between the two rotating shafts.
In some embodiments, the rotating shaft is further connected with a mounting lug, the mounting lug is provided with a connecting hole, and the rotating shaft passes through the connecting hole and is in clearance fit with the connecting hole.
In some embodiments, a diameter of one end of the rotating shaft is smaller than a diameter of the other end of the rotating shaft.
In some embodiments, the drive mechanism further comprises a mounting structure, and the drive mechanism is locked on the mounting structure.
According to another object of the present invention, the vehicle includes the above wiper.
Because according to the utility model discloses the wiper has foretell technological effect, consequently, the utility model discloses the vehicle also has foretell technological effect, promptly according to the utility model discloses the vehicle, through the wiper that sets up above-mentioned technological effect, there is not the speed of singularity and transition in the velocity of motion of windscreen wiper subassembly, reduces the abnormal sound.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a wiper according to an embodiment of the present invention.
Reference numerals:
a wiper blade 100;
a wiper assembly 10, a rotary shaft 11, a wiper blade 12, a transmission gear 13,
a drive mechanism 20, a drive motor 21, a drive gear 22,
the middle transmission piece 30, the telescopic connecting rod 40, the mounting lug 50, the mounting structure 60 and the sleeve 70.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
A wiper blade 100 according to an embodiment of the present invention will be described in detail with reference to fig. 1.
As shown in fig. 1, a wiper blade 100 according to an embodiment of the present invention may generally include: at least one wiper assembly 10, a drive mechanism 20 and an intermediate transmission member 30.
Specifically, as shown in fig. 1, the wiper assembly 10 has a rotary shaft 11 and a wiper blade 12 coupled to one end of the rotary shaft 11, the other end of the rotary shaft 11 is provided with a driving gear 13, a driving mechanism 20 includes a driving motor 21 and a driving gear 22 coupled to a driving shaft of the driving motor 21, and an intermediate transmission member 30 is adapted to be engaged with the driving gear 13 and the driving gear 22.
The wiper assembly 10 includes at least one, for example, the wiper assembly 10 includes one, and correspondingly, a transmission gear 13 is connected to the other end of the rotating shaft 11 of the wiper assembly 10. The wiper assembly 10 may further include two wiper assemblies, and a transmission gear 13 is correspondingly connected to the other end of the rotary shaft 11 of each wiper assembly 10. Of course, the wiper assembly 10 may also include three or more, the number of which is not exhaustive and applicant does not enumerate one by one.
In the above structure, the driving mechanism 20 drives the intermediate transmission member 30 engaged with the driving mechanism 20 to operate, and the intermediate transmission member 30 moves to drive the wiper assembly 10 engaged with the intermediate transmission member 30 to operate, so that the wiper blade 12 can play a role of wiping rain, and the rain on the windshield can be cleaned in time to avoid blocking the sight of the driver.
Specifically, when the driving motor 21 operates, the driving shaft rotates to drive the driving gear 22 connected to the driving shaft to rotate, because the intermediate transmission member 30 is meshed with the driving gear and connected, under the driving of the driving gear 22, the intermediate transmission member 30 rotates, because the intermediate transmission member 30 is meshed with the transmission gear 13 and connected, under the driving of the intermediate transmission member 30, the transmission gear 13 rotates, the transmission gear 13 is fixedly connected with the other end of the rotating shaft 11 of the wiper assembly 10, the rotating shaft 11 rotates under the driving of the transmission gear 13 to drive the wiper blade 12 connected to one end of the rotating shaft 11 to rotate, and therefore the wiper 100 can play a role in wiping rain, and clear sight of a driver is ensured.
It can be understood that the gear transmission has the advantage of stable transmission ratio, the moving speed of the wiper blade 12 is only related to the running speed of the driving motor 21 and has positive correlation, there are no singularities and transient speeds, the abnormal noise generated by the transmission mechanism due to the speed jump is reduced, and the abnormal noise generated by the suddenly accelerated friction between the wiper blade 12 and the windshield during the speed jump is reduced. Because the wiper 100 of the present application has the characteristic of stable transmission, that is, the running speed of the wiper 100 is uniform, the abrasion between the wiper blade 12 and the windshield can be reduced, and the service lives of the wiper blade 12 and the windshield are prolonged.
Therefore, according to the utility model discloses wiper 100 through using intermediate transfer spare 30 to mesh drive gear 13 and driving gear 22 respectively and connect, can guarantee that wiper 100's operation is stable, reduces the abnormal sound and improves wiper blade 12 and windshield's life.
Due to the advantage of stable transmission ratio of gear transmission, the driving motor 21 can be combined with the arrangement size and the reasonable matching speed of the wiper blade 12 to ensure that the wiper blade 12 runs at a constant speed when being wiped and reduce abnormal sound generated between the wiper blade 12 and the windshield and friction between the wiper blade 12 and the windshield when being wiped. Wherein the rotational speed of the wiper blade 12 is based on the realization that rain on the windshield will not affect the driver during rain.
In order to achieve the above object, since the rainfall amount is different in rainy days, the rotation speed of the driving motor 21 may be adjusted according to the rainfall amount. When the amount of rainfall is large, the rotation speed of the drive motor 21 is high, and when the amount of rainfall is small, the rotation speed of the drive motor 21 is low, in other words, the rotation speed of the drive motor 21 when the amount of rainfall is large is larger than the rotation speed of the drive motor 21 when the amount of rainfall is small, and the rotation speed of the drive motor 21 is positively correlated with the amount of rainfall. Therefore, the rainwater on the windshield can not influence the realization of a driver, and the energy is saved.
In some embodiments, the intermediate drive 30 is at least one of a belt, a chain, a gear, a worm gear, and a worm. For example, the intermediate transmission member 30 is a belt, and the inner side of the belt is provided with teeth suitable for being meshed with the driving gear 22 and the transmission gear 13; or, the intermediate transmission member 30 is a chain, a plurality of slots are arranged on the chain at intervals, and the teeth of the driving gear 22 and the transmission gear 13 are suitable for being inserted into the slots of the chain; alternatively, the intermediate transmission member 30 is a gear adapted to be engaged with the driving gear 22 and the transmission gear 13; or, the intermediate transmission member 30 is a worm wheel or a worm screw, the worm wheel or the worm screw has the advantages of stable transmission, large transmission ratio and low noise, and the worm wheel or the worm screw is respectively meshed with the driving gear 22 and the transmission gear 13.
Of course, the intermediate transmission member 30 according to the embodiment of the present invention is not limited to the above-mentioned cases, as long as the intermediate transmission member 30, the transmission gear 13 and the driving gear 22 are engaged with each other.
In one embodiment, as shown in fig. 1, the wiper assembly 10 includes two sets of spaced apart drive gears 22, the intermediate transmission member 30 is a belt, and the inner race of the belt is provided with teeth adapted to engage with the drive gears 22 and the transmission gear 13. Through setting up windscreen wiper subassembly 10 to setting up to two sets of in actuating mechanism 20 both sides, windscreen wiper blade 12 scrapes the rainwater of brushing the windshield that is located actuating mechanism 20 both sides respectively, can scrape the windshield of brushing a large area simultaneously, guarantees that the rainwater on the windshield can in time effectually be clear away, also is favorable to reducing the size of windscreen wiper blade 12, avoids the too big and influence driver's sight of size of windscreen wiper blade 12. Wherein, through setting up intermediate transfer member 30 to the belt, because the belt is stable sharp drive, compare in many connecting rods transmission structure, do not need too big layout space, also set up intermediate transfer member 30 to the belt, its occupation space is certain, need not additionally set up and dodge the space and keep away the position in order to keep away the movement track of intermediate transfer member 30 in the operation process, reduced the occupation space of wiper 100, can leave more design space on the vehicle.
In some embodiments, as shown in FIG. 1, the drive gear 22 and the two transfer gears 13 are triangularly disposed. In other words, the axes of the driving gear 22 and the two transmission gears 13 are not on the same straight line, so that the belt tensioning device can play a role in tensioning the belt, and can effectively avoid the situation that the belt slips or even falls off from the driving gear 22 and the transmission gears 13. Specifically, the driving gear 22 is located between the two transmission gears 13, wherein the axis of the driving gear 22 is located above the line connecting the axes of the two transmission gears 13, and the condition that the tooth diameter of the driving gear 22 is larger than the tooth diameter of the transmission gear 13 is small, and the lower side of the driving gear 22 is spaced from the inner side surface of the belt to avoid interference.
Of course, under the condition that the driving gear 22 and the two transmission gears 13 are distributed in a triangular shape, one or more tension pulleys can be arranged to further tension the belt, so that the stable operation of the belt can be further ensured. The number of the tensioning wheels can be one, two, three or more, and the arrangement positions of the tensioning wheels are arranged according to the tight edges and the loose edges, which is not described in detail by the applicant.
In some embodiments, as shown in fig. 1, a telescopic connecting rod 40 is provided between the two rotating shafts 11. Through setting up flexible connecting rod 40, can adjust the rate of tension of belt through adjusting the interval between two rotation axes 11 to guarantee the operating stability of belt, still made things convenient for the assembly of belt. For example, at the initial interval, the belt is loosely assembled with the transmission gear 13 and the driving gear 22, and after the preassembly is completed, the telescopic connecting rod 40 is extended to increase the interval between the two rotating shafts 11, so that the belt can be tensioned, and the problems of belt breakage, tooth abrasion of the transmission gear 13 and the driving gear 22 and the like caused by violent assembly are avoided. After the assembly is completed, if the belt is loosely assembled due to abrasion after long-time operation, the belt can be tensioned by further extending the telescopic connecting rod 40, and the distance between the two rotating shafts 11 can be reduced by contracting the telescopic connecting rod 40, so that the belt can be conveniently disassembled, and some problems caused by violent disassembly can be avoided.
In the above-mentioned embodiment, the implementation of the telescopic connecting rod 40 is various, and it is not specifically limited here, for example, the telescopic connecting rod 40 can be realized by a slider-crank mechanism, and can also be realized by a hydraulic rod, no matter which implementation is specific, the scheme of adjusting the interval between two transmission gears 13 by the telescopic mode should fall into the protection scope of the present invention.
Of course, it is also possible to achieve tensioning and loosening of the belt by arranging the driving gear 22 and at least one of the two transmission gears 13 in a movable fashion. For example, the driving gear 22 may be movable in the up-down direction, or the transmission gear 13 may be movable in the left-right direction.
In addition, in the case where the wiper blade 100 includes a tension pulley, it is also possible to achieve tension and loose fitting of the belt by adjusting the position of the tension pulley.
In some embodiments, as shown in fig. 1, a mounting lug 50 is further connected to the rotating shaft 11, and the mounting lug 50 is provided with a connecting hole (not shown), through which the rotating shaft 11 passes and is in clearance fit with the connecting hole. The mounting lug 50 is used for connecting with a vehicle body of a vehicle, the rotating shaft 11 can be relatively fixedly mounted on the vehicle by the mounting lug 50, and the rotating shaft 11 is prevented from being displaced relative to the vehicle, wherein the rotating shaft 11 passes through a connecting hole on the mounting lug 50, and a gap is formed between the rotating shaft 11 and the connecting hole, so that the rotating shaft 11 cannot be greatly interfered with the mounting lug 50 when rotating, and the rotating of the rotating shaft 11 is not influenced. That is, the mounting lugs 50 can fix the rotating shaft 11 on the one hand and can reduce the influence of the mounting lugs 50 on the rotation of the rotating shaft 11 on the other hand.
Of course, it can be understood that, during a long period of rotation, since friction inevitably occurs between the rotary shaft 11 and the coupling hole, when the abrasion is large, the fixation and rotation of the rotary shaft 11 are affected. In order to reduce the influence of friction, it is preferable to provide a bearing between the rotary shaft 11 and the mounting lug 50, by which the above-mentioned problems due to friction can be effectively avoided. Of course, the bearing is not the only option, and a liquid or powder such as a lubricating oil for reducing friction may be provided between the rotary shaft 11 and the mounting lug 50.
In one embodiment, as shown in fig. 1, the wiper blade further includes a sleeve 70, the sleeve 70 is sleeved on the outer surface of the rotating shaft 11, the mounting lug 50 is fixedly connected to the sleeve 70, the telescopic connecting rod 40 is fixedly connected to the sleeve 70, one end of the rotating shaft 11 extends out of the sleeve 70 to be fixedly connected to the wiper blade 12, and the other end of the rotating shaft 11 extends out of the sleeve 70 to be fixedly connected to the transmission gear 13. Thus, when the sizes of the vehicle models are different, the wiper 100 can adapt to the vehicle models with different sizes by changing the fixed position of the installation lug 50 and by the telescopic adjustment of the telescopic connecting rod 40, and the universality is high.
In some embodiments, as shown in FIG. 1, the diameter of one end of the rotating shaft 11 is smaller than the diameter of the other end of the rotating shaft 11. Thus, the wiper blade 12 can be advantageously miniaturized, and the material loss of the rotary shaft 11 can be reduced.
As shown in fig. 1, a mounting structure 60 is further included, and the driving mechanism 20 is locked to the mounting structure 60. By providing the mounting structure 60, the mounting structure 60 is fixedly connected to the vehicle body, and the driving mechanism 20 is locked to the mounting structure 60, the driving structure can be relatively fixedly disposed in the vehicle, so that the whole system of the wiper 100 is stable.
The driving mechanism 20 may be wrapped in the mounting structure 60, the driving mechanism 20 may be welded to the mounting structure 60, the driving mechanism 20 may be screwed to the mounting structure 60, or the driving mechanism 20 may be snapped, joggled, or riveted to the mounting structure 60.
According to the embodiment of the present invention, the vehicle includes the wiper 100. Because according to the utility model discloses wiper 100 has foretell technological effect, consequently, the utility model discloses the vehicle also has foretell technological effect, promptly according to the utility model discloses the vehicle, through the wiper 100 who sets up above-mentioned technological effect, there is not the speed of singularity and transition in the velocity of motion of wiper assembly 10, reduces the abnormal sound.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. A wiper blade, comprising:
the wiper assembly is provided with a rotating shaft and a wiper blade connected to one end of the rotating shaft, and a transmission gear is arranged at the other end of the rotating shaft;
the driving mechanism comprises a driving motor and a driving gear connected to a driving shaft of the driving motor;
and the intermediate transmission part is suitable for being meshed with the transmission gear and the driving gear.
2. The wiper blade of claim 1, wherein said intermediate transmission is at least one of a belt, a chain, a gear, a worm gear, and a worm.
3. The wiper blade of claim 2, wherein said wiper assembly includes two sets of spaced apart drive gears on opposite sides of said drive gear, said intermediate drive member being a belt having teeth on an inner race thereof adapted to engage said drive gear and said drive gear.
4. The wiper blade of claim 3, wherein said drive gear and said two drive gears are triangularly disposed.
5. The wiper blade of claim 3, wherein a telescopic connecting rod is provided between the two rotation shafts.
6. The wiper blade of claim 1, wherein the rotary shaft is further connected to a mounting lug having a connecting hole, and the rotary shaft passes through the connecting hole and is in clearance fit with the connecting hole.
7. The wiper blade of claim 1, wherein a diameter of one end of said rotary shaft is smaller than a diameter of the other end of said rotary shaft.
8. The wiper blade of claim 1, further comprising a mounting structure, said drive mechanism being keyed to said mounting structure.
9. A vehicle characterized by comprising the wiper blade of any one of claims 1 to 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021220116.3U CN213035785U (en) | 2020-06-28 | 2020-06-28 | Wiper and vehicle with same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021220116.3U CN213035785U (en) | 2020-06-28 | 2020-06-28 | Wiper and vehicle with same |
Publications (1)
Publication Number | Publication Date |
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CN213035785U true CN213035785U (en) | 2021-04-23 |
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CN202021220116.3U Active CN213035785U (en) | 2020-06-28 | 2020-06-28 | Wiper and vehicle with same |
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- 2020-06-28 CN CN202021220116.3U patent/CN213035785U/en active Active
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