CN215706205U

CN215706205U - Rear wiper assembly structure and vehicle

Info

Publication number: CN215706205U
Application number: CN202122265324.6U
Authority: CN
Inventors: 夏锦浩; 刘雨辰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-01
Anticipated expiration: 2031-09-15

Abstract

The application relates to the technical field of automobile spare and accessory parts, in particular to a rear wiper assembling structure and a vehicle, wherein the rear wiper assembling structure comprises a transmission assembly, an output shaft and a shaft sleeve, wherein the output shaft penetrates through a windshield, and the shaft sleeve is sleeved on the output shaft; a wiper attached to an end of the output shaft; the hexagonal nut is sleeved on the shaft sleeve and is in threaded connection with the shaft sleeve, and the hexagonal nut is abutted against the windshield; and part of the cover cap is sleeved on the output shaft, part of the cover cap is sleeved on the hexagonal nut, a limiting structure is arranged on the cover cap, and the limiting structure is abutted against the circumferential outer side surface of the hexagonal nut so as to limit the cover cap to rotate relative to the hexagonal nut. This application has the restriction shroud and rotates along with the output shaft, has maintained the normal condition of shroud to guarantee the leakproofness and the nature of sheltering from of shroud, the shroud is difficult for appearing and windshield between the uneven advantage in clearance.

Description

Rear wiper assembly structure and vehicle

Technical Field

The application relates to the technical field of automobile parts, in particular to a rear wiper assembling structure and a vehicle.

Background

When the wiper moves behind the car, because the vibration that causes and the clearance problem of back wiper assembly of the rotation of output shaft, produce the abnormal sound easily, and influence the normal operating and the drive of back wiper and experience and feel.

In the related technology, in order to improve the problem of abnormal noise caused by the running shake of the rear wiper, a position is added and fixed at the matching position of the transmission assembly and the rear windshield glass, and the transmission assembly is connected and fastened with an output shaft sleeve of the transmission assembly through a nut so as to limit the shake of the rear wiper during running.

For sheltering from the nut, promote the outward appearance quality, the cover body needs to be established to the cover body on the output shaft to utilize the cover body to shelter from the nut, and through the interference fit of the nut with the cover body, with the relative rotation of the restriction cover body and nut, fix the cover body with this.

However, since the inner wall of the lower part of the cover is smooth, and the inner diameter of the cover fluctuates to some extent due to the injection molding process, the interference fit between the lower part of the cover and the nut for fastening the transmission assembly on the windshield is not as expected due to the above two adverse factors, the cover is not tightly clamped with the nut, the cover rotates along with the output shaft, the cover rotates relative to the nut, a gap is easily generated between the cover and the glass, the gap between the cover and the glass is uneven, and the water tightness between the cover and the glass is affected.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a rear wiper assembly structure and a vehicle to solve the technical problems that in the related art, a cover easily rotates along with an output shaft, a gap is easily generated between the cover and glass, the gap between the cover and the glass is uneven, and the water tightness between the cover and the glass is influenced.

In a first aspect, there is provided a rear wiper assembly structure including:

the transmission assembly comprises an output shaft and a shaft sleeve, wherein the output shaft penetrates through the windshield, and the shaft sleeve is sleeved on the output shaft;

a wiper attached to an end of the output shaft;

the hexagonal nut is sleeved on the shaft sleeve and is in threaded connection with the shaft sleeve, and the hexagonal nut directly or indirectly abuts against the windshield;

and part of the cover cap is sleeved on the output shaft, part of the cover cap is sleeved on the hexagonal nut, a limiting structure is arranged on the cover cap, and the limiting structure is abutted against the circumferential outer side surface of the hexagonal nut so as to limit the cover cap to rotate relative to the hexagonal nut.

Set up like this, because the setting of limit structure on the shroud, along with the transmission assembly drives the wiper and rotates, even the partial cover of shroud is established on the output shaft under the rotation state, limit structure has restricted the relative rotation of shroud and hexagon nut, therefore the output shaft is difficult for driving the shroud and rotates, the shroud is difficult for and the windshield between produce the clearance, has maintained the normal condition of shroud to guarantee the leakproofness and the sheltering from the nature of shroud, the shroud is difficult for appearing and the windshield between the uneven condition in clearance.

In some embodiments, the cover comprises:

a sealing part sleeved on the output shaft;

the limiting portion is sleeved on the hexagonal nut, and the limiting structure is arranged on the circumferential inner side face of the limiting portion.

In some embodiments, the limiting structure includes at least one limiting groove, the limiting groove is disposed in an opening on an end surface of the limiting portion, and two adjacent side surfaces of the hexagonal nut are respectively abutted to two groove walls of the limiting groove.

In some embodiments, the limiting structure comprises 12 limiting grooves, and the 12 limiting grooves are uniformly distributed on the circumference of the axis of the limiting part.

Set up like this, through the cell wall of spacing groove and hexagon nut's side butt, and the restriction shroud rotates for hexagon nut, and the setting of a plurality of spacing grooves, be convenient for with the cooperation of a plurality of corners of hexagon nut to this shroud is more stable, is difficult for being driven along with the rotation of output shaft and rotates.

In some embodiments, the limiting groove includes two fitting surfaces, the two fitting surfaces are disposed at an angle, and the two fitting surfaces are respectively fitted to two adjacent side surfaces of the hexagon nut.

In some embodiments, a sealing ring is connected to a circumferential inner side surface of the sealing portion, and the sealing ring abuts against a circumferential outer side surface of the output shaft, so that the sealing portion is in interference fit with the output shaft.

By the arrangement, the sealing ring is arranged, so that a gap between the output shaft and the cover is eliminated, the cover can seal the output shaft in the axial direction, and the water tightness is improved.

In some embodiments, the rear wiper mounting structure further includes a first gasket, the first gasket is sleeved on the bushing, a portion of the first gasket abuts against the windshield, and the hexagon nut abuts against the first gasket to abut against the windshield.

In some embodiments, the windshield is provided with a through hole for the transmission assembly to pass through, and the first sealing gasket is mounted in the through hole.

In some embodiments, the rear wiper assembling structure further includes a second gasket, the second gasket is sleeved on the shaft sleeve, and the second gasket abuts against a side surface of the windshield, which is away from the hexagon nut.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a back wiper assembly structure, because limit structure's setting on the shroud, along with the transmission assembly drives the wiper and rotates, even the partial cover of shroud is established on the output shaft under the rotation state, limit structure has restricted the relative rotation of shroud and hexagon nut, therefore the output shaft is difficult for driving the shroud and rotates, the shroud is difficult for and the windshield between produce the clearance, the normal condition of shroud has been maintained, in order to guarantee the leakproofness and the shielding property of shroud, the shroud is difficult for appearing and the windshield between the uneven condition in clearance.

In a second aspect, there is provided a vehicle including the rear wiper mounting structure as described above.

Another embodiment of this application provides a vehicle, its application has the above-mentioned back wiper assembly structure, therefore its beneficial effect is unanimous with the beneficial effect of above-mentioned back wiper assembly structure, no longer explains here.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a rear wiper assembly according to an embodiment of the present application;

FIG. 2 is a schematic view of a cover provided in an embodiment of the present application;

FIG. 3 is a partial longitudinal cross-sectional view of a cover provided in accordance with an embodiment of the present application;

FIG. 4 is a cross-sectional view of a stop portion according to an embodiment of the present application;

FIG. 5 is a schematic view of a cover, a transmission assembly, and a hex nut according to an embodiment of the present disclosure.

In the figure: 1. a transmission assembly; 101. an output shaft; 102. a shaft sleeve; 2. a wiper; 3. a hexagonal nut; 4. a cover; 401. a sealing part; 4011. a seal ring; 402. a limiting part; 403. a limiting structure; 4031. a mating surface; 5. a first gasket; 6. a second gasket; 7. a windshield.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a rear wiper assembly structure, and it can solve among the relevant art shroud and rotate along with the output shaft easily, and has appeared watertight and shroud and the inhomogeneous technical problem in glass clearance easily.

A rear wiper assembly structure, comprising:

the transmission assembly 1 comprises an output shaft 101 and a shaft sleeve 102, wherein the output shaft 101 penetrates through the windshield 7, and the shaft sleeve 102 is sleeved on the output shaft 101;

a wiper 2 attached to an end of the output shaft 101;

the hexagon nut 3 is sleeved on the shaft sleeve 102 and is in threaded connection with the shaft sleeve 102, and the hexagon nut 3 directly or indirectly abuts against the windshield 7;

the cover 4 is partially sleeved on the output shaft 101 and partially sleeved on the hexagonal nut 3, a limiting structure 403 is arranged on the cover 4, and the limiting structure 403 is abutted against the circumferential outer side surface of the hexagonal nut 3 to limit the cover 4 to rotate relative to the hexagonal nut 3.

Referring to fig. 1, the rear wiper mounting structure includes a transmission assembly 1, a wiper 2, a hexagonal nut 3, and a cover 4. The transmission assembly 1 is in driving connection with the wiper 2 to drive the wiper 2 to rotate and operate. The transmission assembly 1 comprises a drive member, including an electric motor, which is powered by the vehicle, an output shaft 101 and a sleeve 102. The output shaft 101 is connected to the driving member, so that the driving member drives the output shaft 101 to rotate, and the shaft sleeve 102 is sleeved on the output shaft 101.

Referring to fig. 1, a through hole for the transmission assembly 1 to pass through is formed in the windshield 7, and the output shaft 101 and the shaft sleeve 102 pass through the through hole to the outside of the windshield 7. The wiper 2 is installed on the top end of the output shaft 101, in the embodiment, the circumferential side surface of the output shaft 101 is a conical surface, the wiper 2 is sleeved on the output shaft 101, the circumferential inner side surface of the wiper 2 is engaged with the conical surface, and a nut is screwed on the end part of the output shaft 101, so that the nut is tightly abutted on the wiper 2, the wiper 2 is fixedly installed on the output shaft 101, and the wiper 2 rotates along with the rotation of the output shaft 101.

Referring to fig. 1, the output shaft 101 is rotatable relative to a boss 102, the boss 102 is fixed to the windshield 7, and the boss 102 restricts the swing of the output shaft 101. The hexagon nut 3 is sleeved on the shaft sleeve 102, the hexagon nut 3 is in threaded connection with the shaft sleeve 102, and the hexagon nut 3 is directly or indirectly abutted against the windshield 7 so as to fix the position of the hexagon nut 3. The hexagon nut 3 may be directly abutted against the windshield 7 or may be abutted against the windshield through another cushion.

Referring to fig. 1, a portion of the cover 4 is fitted over the output shaft 101 to seal the output shaft 101 in an axial direction; the hexagonal nut 3 is sleeved with a part of the cover cap 4 to shield the hexagonal nut 3. Be equipped with limit structure 403 on the shroud 4, limit structure 403 locates the circumference medial surface of shroud 4. The limiting structure 403 may include a boss or a groove, which abuts against the outer circumferential surface of the hexagonal nut 3 to limit the rotation of the cover 4 relative to the hexagonal nut 3.

Set up like this, because the setting of limit structure 403 on the shroud 4, along with transmission assembly 1 drives wiper 2 and rotates, even the partial cover of shroud 4 is established on output shaft 101 under the rotation state, limit structure 403 has restricted the relative rotation of shroud 4 and hex nut 3, therefore output shaft 101 is difficult for driving shroud 4 and has rotated, has maintained the normal condition of shroud 4 to guarantee the leakproofness and the sheltering from nature of shroud 4, the shroud 4 is difficult for appearing and the wind screen glass 7 between the uneven condition in clearance.

Optionally, the cover 4 comprises:

a seal portion 401 fitted to the output shaft 101;

the limiting portion 402 is sleeved on the hexagon nut 3, and the limiting structure 403 is arranged on the circumferential inner side surface of the limiting portion 402.

Referring to fig. 2, 3 and 5, the cover 4 includes a sealing portion 401 and a stopper portion 402 that are integrally formed. In the present embodiment, the cover 4 is made of EPDM soft material. The sealing portion 401 is sleeved on the output shaft 101, and an inner wall of the sealing portion 401 is attached to a circumferential outer wall of the output shaft 101. The limiting portion 402 is sleeved on the hexagon nut 3, and the limiting structure 403 is disposed on the circumferential inner side surface of the limiting portion 402, so that the limiting portion 402 is matched with the hexagon nut 3 through the limiting structure 403, and the cover 4 is limited to rotate along with the rotation of the output shaft 101.

Optionally, the limiting structure 403 includes at least one limiting groove, the limiting groove is disposed on the end surface of the limiting portion 402 in an opening manner, and two adjacent side surfaces of the hexagonal nut 3 are respectively abutted to two groove walls of the limiting groove.

Optionally, the limiting structure 403 includes 12 limiting grooves, and the 12 limiting grooves are uniformly distributed circumferentially along the axis of the limiting part 402.

Referring to fig. 2 and 3, the limiting structure 403 includes at least one limiting groove, the limiting groove is opened on the circumferential inner side surface of the limiting portion 402, and the limiting groove is opened on one end surface of the limiting portion 402. When the limiting portion 402 is sleeved on the hexagon nut 3, a corner of the hexagon nut 3 enters the limiting groove from the opening of the limiting groove, and two groove walls of the limiting groove are respectively abutted against two adjacent side surfaces of the hexagon nut 3, so that the cover 4 is limited to rotate relative to the hexagon nut 3.

Referring to fig. 4, in the present embodiment, the number of the limiting grooves is preferably 12, and the 12 limiting grooves are uniformly distributed circumferentially along the axis of the limiting portion 402, and the groove wall edges of the adjacent limiting grooves are arranged in a boundary manner. When spacing portion 402 cover was established to hexagon nut 3 on, six corners of hexagon nut 3 got into the spacing inslot from the opening of six spacing grooves respectively, because the quantity of spacing groove is 12, make things convenient for the light cover of spacing portion 402 to establish to hexagon nut 3 on, and make the different corners of hexagon nut 3 all can arrange the spacing inslot in.

Set up like this, through the cell wall of spacing groove and hexagon nut 3's side butt, and restriction shroud 4 rotates for hexagon nut 3, and the setting of a plurality of spacing grooves, be convenient for with the cooperation of a plurality of corners of hexagon nut 3 to this shroud 4 is more stable, is difficult for being driven along with the rotation of output shaft 101 and rotates.

Optionally, the limiting groove comprises two attaching surfaces, wherein the attaching surfaces are arranged at an angle, and the two attaching surfaces are respectively attached to two adjacent side surfaces of the hexagonal nut 3.

Referring to fig. 4 and 5, the limiting groove includes two attaching surfaces, and the two attaching surfaces are arranged at an angle. It will be appreciated that the cross-section of the spacing groove is arranged in a V-shape. The included angle of the two adjacent side surfaces of the hexagonal nut 3 is 120 degrees, and the included angle between the two binding surfaces of the limiting groove is 120 degrees. When the corner of the hexagon nut 3 is arranged in the limit groove, two adjacent side faces of the hexagon nut 3 are respectively attached to two attaching faces of the limit groove, and the limit groove is matched with the corner of the hexagon nut 3, so that the cap 4 is limited to rotate the hexagon nut 3.

Optionally, a sealing ring 4011 is connected to a circumferential inner side surface of the sealing portion 401, and the sealing ring 4011 abuts against a circumferential outer side surface of the output shaft 101, so that the sealing portion 401 and the output shaft 101 are in interference fit.

Referring to fig. 3, a sealing ring 4011 is connected to a circumferential inner side surface of the sealing portion 401, and the sealing ring 4011 is integrally formed with the sealing portion 401. The sealing ring 4011 is sleeved on the output shaft 101 along with the sealing portion 401, the circumferential inner side surface of the sealing portion 401 is attached to the output shaft 101, and the sealing ring 4011 is in interference fit with the output shaft 101, so that the cover 4 is in interference fit with the output shaft 101. In this embodiment, the tolerance of the interference fit between the cover 4 and the output shaft 101 is 0.3 mm.

With this arrangement, the sealing ring 4011 is provided to eliminate a gap between the output shaft 101 and the cover 4, and the cover 4 thus seals the output shaft 101 in the axial direction, thereby improving water tightness.

Optionally, the rear wiper assembling structure further includes a first gasket 5, the first gasket 5 is sleeved on the shaft sleeve 102, a part of the first gasket 5 abuts against the windshield 7, and the hexagon nut 3 abuts against the first gasket 5 to abut against the windshield 7.

Optionally, the windshield 7 is provided with a through hole for the transmission assembly 1 to penetrate through, and the first sealing gasket 5 is mounted in the through hole.

Referring to fig. 1, the first gasket 5 is sleeved on the shaft sleeve 102, and a portion of the first gasket 5 is attached to an outer side surface of the windshield 7. The hexagonal nut 3 and the first sealing gasket 5 are abutted, so that the hexagonal nut 3 is abutted to the windshield 7 through the first sealing gasket 5, the direct contact between the hexagonal nut 3 and the windshield 7 is avoided, and the hard collision between the hexagonal nut 3 and the windshield 7 is avoided.

Referring to fig. 1, a portion of the first seal gasket 5 is inserted into the through hole of the windshield 7 to mount the first seal gasket 5, and the circumferential outer side surface of the first seal gasket 5 abuts against the hole wall of the through hole instead of the shaft sleeve 102 contacting with the hole wall of the through hole, so that a gap between the shaft sleeve 102 and the hole wall of the through hole is eliminated, and the sealing performance is improved.

Optionally, the rear wiper assembling structure further includes a second gasket 6, the second gasket 6 is sleeved on the shaft sleeve 102, and the second gasket 6 abuts against a side surface of the windshield 7 departing from the hexagon nut 3.

Referring to fig. 1, the second gasket 6 is sleeved on the shaft sleeve 102, the second gasket 6 is disposed on the inner side of the windshield 7, and the second gasket 6 is attached to the inner side surface of the windshield 7, so as to further improve the sealing property at the joint between the shaft sleeve 102 and the windshield 7.

Another embodiment of the present application provides a vehicle including the rear wiper mounting structure as described above.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rear wiper assembling structure, comprising:

the transmission assembly (1) comprises an output shaft (101) and a shaft sleeve (102) which penetrate through a windshield (7), wherein the shaft sleeve (102) is sleeved on the output shaft (101);

a wiper (2) attached to an end of the output shaft (101);

the hexagonal nut (3) is sleeved on the shaft sleeve (102) and is in threaded connection with the shaft sleeve (102), and the hexagonal nut (3) is directly or indirectly abutted to the windshield (7);

the cover cap (4) is partially sleeved on the output shaft (101), partially sleeved on the hexagonal nut (3), a limiting structure (403) is arranged on the cover cap (4), and the limiting structure (403) is abutted against the circumferential outer side face of the hexagonal nut (3) to limit the cover cap (4) to rotate relative to the hexagonal nut (3).

2. The rear wiper mounting structure according to claim 1, wherein the cover (4) includes:

a seal portion (401) which is fitted to the output shaft (101);

the limiting portion (402) is sleeved on the hexagonal nut (3), and the limiting structure (403) is arranged on the circumferential inner side face of the limiting portion (402).

3. The rear wiper fitting structure according to claim 2, wherein the stopper structure (403) includes at least one stopper groove, the stopper groove is provided in an open manner at an end surface of the stopper portion (402), and two adjacent side surfaces of the hexagonal nut (3) are respectively abutted against two groove walls of the stopper groove.

4. The rear wiper fitting structure according to claim 3, wherein the stopper structure (403) includes 12 stopper grooves, and the 12 stopper grooves are evenly circumferentially distributed with respect to an axis of the stopper portion (402).

5. The rear wiper assembling structure according to claim 3, wherein the limiting groove comprises two engaging surfaces, the engaging surfaces are arranged at an angle, and the engaging surfaces are respectively engaged with two adjacent side surfaces of the hexagonal nut (3).

6. The rear wiper fitting structure according to claim 2, characterized in that a seal ring (4011) is connected to a circumferential inner side surface of the seal portion (401), and the seal ring (4011) abuts against a circumferential outer side surface of the output shaft (101) so that the seal portion (401) is interference-fitted with the output shaft (101).

7. The rear wiper mounting structure according to claim 1, further comprising a first gasket (5), wherein the first gasket (5) is fitted over the boss (102), and a portion of the first gasket (5) abuts against the windshield (7), and the hexagon nut (3) abuts against the first gasket (5) to abut against the windshield (7).

8. The rear wiper assembly structure according to claim 7, wherein the windshield (7) is provided with a through hole through which the transmission assembly (1) is inserted, and the first gasket (5) is mounted in the through hole.

9. The rear wiper assembly structure according to claim 1, further comprising a second gasket (6), wherein the second gasket (6) is sleeved on the bushing (102), and the second gasket (6) abuts against a side surface of the windshield (7) away from the hexagon nut (3).

10. A vehicle characterized by comprising the rear wiper fitting structure according to any one of claims 1 to 9.