CN220540156U

CN220540156U - Bidirectional brake for vehicle door

Info

Publication number: CN220540156U
Application number: CN202321970343.1U
Authority: CN
Inventors: 陈斌
Original assignee: Xiangshan Zhengda Machinery Manufacturing Co ltd
Current assignee: Xiangshan Zhengda Machinery Manufacturing Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-02-27
Anticipated expiration: 2033-07-25

Abstract

The application discloses two-way brake of door belongs to brake mechanism technical field for provide one kind and can reduce the two-way brake of door damage, including two-way gear, two end diameters of two-way gear equal and be greater than the mid portion, two-way gear is located the part surface between the both ends and has seted up the tooth's socket, and last ratchet and lower ratchet after two-way gear's both ends are connected respectively through flange, go up ratchet and lower ratchet outer fringe's ratchet opposite direction, coaxial main shaft behind two-way gear's the central authorities cooperation. The two-way ratchet mechanism is arranged for the brake, so that the brake mechanism can be triggered in the door opening and closing processes of the vehicle door, the vehicle door is protected, and the damage to the vehicle door caused by uncontrollable factors is reduced; by arranging the nylon friction plate and the washer between the ratchet wheel and the bidirectional gear, the brake is decelerated in a friction mode instead of direct hard braking, so that structural damage in the braking process of the brake can be effectively reduced, and the service life of the brake can be effectively prolonged.

Description

Bidirectional brake for vehicle door

Technical Field

The application relates to the technical field of braking mechanisms, in particular to a bidirectional brake for a vehicle door.

Background

The vehicle door has larger volume and mass, and the inertia of the vehicle door is larger when the vehicle door is opened and closed, so that a user needs to take special care when opening and closing the door and cannot make the vehicle door move too fast, otherwise, the vehicle door can violently strike the door frame at the tail section of the opening and closing door, not only can generate great noise to cause discomfort, but also can damage the vehicle door and parts or elements in the vehicle, and the damage can be avoided through the speed of the vehicle door if the user opens and closes the door, but when the user encounters strong wind or is impacted, the movement speed of the vehicle door is uncontrollable, and the damage brought to the vehicle door is unpredictable.

Disclosure of Invention

The purpose of the present application is to provide a bidirectional brake that can reduce door damage.

To achieve the above object, the present application provides a bi-directional brake for a vehicle door: the two-way gear is characterized by comprising a two-way gear, diameters of two ends of the two-way gear are equal and larger than those of a middle part, tooth grooves are formed in the outer surface of the part, between the two ends, of the two-way gear, the two ends of the two-way gear are respectively connected with an upper ratchet wheel and a lower ratchet wheel through fixing flanges, the directions of ratchet teeth of the outer edges of the upper ratchet wheel and the ratchet teeth of the outer edges of the lower ratchet wheel are opposite, and the center of the two-way gear is matched with a coaxial main shaft for limiting the motion freedom degree of the whole brake.

Preferably, the fixing flange comprises an upper fixing flange matched with the upper ratchet wheel and a lower fixing flange matched with the lower ratchet wheel, and the lower fixing flange is used for clamping the lower ratchet wheel.

Preferably, the upper ratchet comprises a first clamping ring sleeved on the outer side of the end part of the bidirectional gear, and the outer side surface of the first clamping ring is provided with an integral clockwise toothed ring which can be stopped when the upper ratchet rotates clockwise.

As one preferable mode, the first clamping ring is located between the two-way gear and the end face of the upper fixing flange, the thickness of the first clamping ring is smaller than that of the clockwise gear ring, a wear-resisting piece is arranged between the end face of the first clamping ring and the end faces of the two-way gear and the upper fixing flange, and a gasket is arranged between the inner wall of the first clamping ring and the outer side face of the end portion of the two-way gear to achieve close contact between the matching faces.

Preferably, the lower ratchet comprises a second clamping ring sleeved outside the end part of the bidirectional gear, and the outer side surface of the second clamping ring is provided with an integral reverse-time toothed ring, and the second clamping ring is stopped when rotating in reverse time.

Preferably, the second clamping ring is located between the two-way gear and the end face of the lower fixing flange, the thickness of the second clamping ring is smaller than that of the inverted tooth ring, wear plates are arranged between the end face of the second clamping ring and the end faces of the two-way gear and the lower fixing flange, and gaskets are arranged between the inner wall of the second clamping ring and the outer side face of the end portion of the two-way gear, and the same friction force for providing reverse rotation is provided.

Preferably, the middle section of the main shaft is provided with a spline shaft, the bidirectional gear is provided with spline grooves penetrating through two ends, and the bidirectional gear is suitable for being matched with the spline shaft to keep the main shaft and the bidirectional gear to rotate synchronously.

Preferably, the middle part of the lower fixing flange is recessed towards the bidirectional gear, and the part of the main shaft extending out of the outer end surface of the lower fixing flange is provided with an integrated expansion ring, and the expansion ring is positioned in the recessed structure of the lower fixing flange and is fixedly connected with the lower fixing flange through a limiting pin, so that the main shaft is prevented from moving relative to the bidirectional gear.

Compared with the prior art, the beneficial effect of this application lies in:

(1) The two-way ratchet mechanism is arranged on the brake, so that the brake mechanism can be triggered in the door opening and closing processes of the vehicle door, the vehicle door is protected, and the damage to the vehicle door caused by uncontrollable factors is reduced;

(2) By arranging the nylon friction plate and the washer between the ratchet wheel and the bidirectional gear, the brake is decelerated in a friction mode instead of direct hard braking, so that structural damage in the braking process of the brake can be effectively reduced, the service life of the brake can be effectively prolonged, and good braking effect is ensured.

Drawings

FIG. 1 is a plan sectional view of a final assembly structure of the two-way brake for a vehicle door;

FIG. 2 is an end view of the assembled structure of the bi-directional brake of the vehicle door;

FIG. 3 is an end view of the upper ratchet of the bi-directional brake of the vehicle door;

fig. 4 is an end view of the lower ratchet of the door double brake.

In the figure: 1. a main shaft; 2. a two-way gear; 3. an upper fixing flange; 4. a lower fixing flange; 5. an upper ratchet wheel; 501. a clockwise toothed ring; 502. a first clamping ring; 6. a lower ratchet wheel; 601. a reverse-time toothed ring; 602. a second clamping ring; 7. wear-resistant plate; 8. a gasket; 9. and a limiting pin.

Detailed Description

The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the azimuth terms such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific protection scope of the present application that the device or element referred to must have a specific azimuth configuration and operation, as indicated or implied.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims of the present application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

The bidirectional brake of the vehicle door as shown in fig. 1-4 comprises a bidirectional gear 2 with an I-shaped axial section, wherein the diameters of the two ends of the bidirectional gear 2 are equal to each other and larger than that of the middle part, a convex ring which extends outwards is arranged on the end face, tooth grooves are formed on the outer surface of the part, positioned between the two ends, of the bidirectional gear 2, the bidirectional gear 2 is suitable for being meshed with other gears, the two ends of the bidirectional gear 2 are respectively connected with an upper ratchet wheel 5 and a lower ratchet wheel 6 through fixing flanges, forward braking and reverse braking are respectively realized, and the fixing flanges comprise an upper fixing flange 3 matched with the upper ratchet wheel 5 and a lower fixing flange 4 matched with the lower ratchet wheel 6 and are used for limiting a ratchet wheel structure to the end part of the bidirectional gear 2.

The ratchet directions of the outer edges of the upper ratchet wheel 5 and the lower ratchet wheel 6 are opposite, and the specific structure is as follows: the upper ratchet wheel 5 comprises a first clamping ring 502 sleeved outside the end part of the bidirectional gear 2, an integrated clockwise toothed ring 501 is arranged on the outer side surface of the first clamping ring 502, the first clamping ring 502 can be blocked when rotating clockwise and can be maintained when rotating anticlockwise, the first clamping ring 502 is positioned between the bidirectional gear 2 and the end surface of the upper fixed flange 3, the thickness of the first clamping ring 502 is smaller than that of the clockwise toothed ring 501, a wear pad 7 is arranged between the end surface of the first clamping ring 502 and the end surfaces of the bidirectional gear 2 and the upper fixed flange 3, and a gasket 8 is arranged between the inner wall of the first clamping ring 502 and the outer side surface of the end part of the bidirectional gear 2; the lower ratchet wheel 6 comprises a second clamping ring 602 sleeved outside the end part of the bidirectional gear 2, the outer side surface of the second clamping ring 602 is provided with an integral inverted tooth ring 601, the second clamping ring 602 can be maintained when rotating clockwise, and can be blocked when rotating anticlockwise, the second clamping ring 602 is positioned between the bidirectional gear 2 and the end surface of the lower fixed flange 4, the thickness of the second clamping ring 602 is smaller than that of the inverted tooth ring 601, a wear-resisting piece 7 is arranged between the end surface of the second clamping ring 602 and the end surfaces of the bidirectional gear 2 and the lower fixed flange 4, a gasket 8 is arranged between the inner wall of the second clamping ring 602 and the outer side surface of the end part of the bidirectional gear 2, two wear-resisting pieces 7 at the same end are arranged, only one gasket 8 and the gasket 7 are made of nylon materials, the nylon materials have good wear resistance and surface damping characteristics, and are arranged between the ratchet wheel and the bidirectional gear 2 and the flange, and can provide larger relative rotation friction force through pre-pressing, that is to say, the ratchet wheel is not fixedly connected with the bidirectional gear 2 or the flange, but in friction contact with the bidirectional gear, thus, when the ratchet wheel is suddenly stopped, the brake is not damaged by the sudden impact on the brake, the brake is more than the brake, the brake is more convenient, and the brake has a longer service life, and the brake structure can be more damaged, and the brake structure.

The central cooperation back coaxial main shaft 1 of bi-directional gear 2 for constitute the revolute pair with door mounting bracket structure cooperation, the middle section of main shaft 1 has the spline shaft, bi-directional gear 2 has seted up the spline groove that link up both ends, be suitable for with the spline shaft cooperation, guarantee that main shaft 1 and bi-directional gear 2 can synchronous rotation, the middle part of lower mounting flange 4 is sunken to bi-directional gear 2, the part that the outer terminal surface of mounting flange 4 under the main shaft 1 extends has integrative expansion ring, the expansion ring is located the concave structure of mounting flange 4 down, the terminal surface of mounting flange 4 just can keep the parallel and level after the final assembly like this, expansion ring passes through spacer pin 9 and mounting flange 4 fixed connection down, be used for restraining main shaft 1 and 2 drunkenness for bi-directional gear, guarantee the structural stability of whole stopper.

Working principle: the main shaft 1 in the brake is in running fit with the door mounting frame, the bidirectional gear 2 is meshed with the synchronous motion gear of the door, the motion gear is linked with the large-sized door through a rack structure, when the acceleration of the large-sized door changes suddenly, a pawl mechanism on the mounting frame is put on a ratchet wheel to prevent the ratchet wheel from rotating immediately, but the ratchet wheel is not in hard contact with the bidirectional gear 2, but slides relatively through a nylon wear plate 7 and a gasket 8, the door is slowed down under the action of friction resistance, and as the door of the brake is generally large by a counterweight, the too fast door opening and closing can generate larger impact noise and possibly damage elements on the door, the purpose of the brake is not to stop the door but not to enable the door to suddenly move too fast, so that the impact damage of the door is reduced, the door can rebound after the door opening and closing is finished, the rebound of the ratchet wheel in the direction is restrained, and thus the opening and closing action can be in one step.

The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and equivalents thereof.

Claims

1. A bi-directional brake for a vehicle door, comprising: including bi-directional gear (2), the both ends diameter of bi-directional gear (2) equals and is greater than the mid portion, the tooth's socket has been seted up to the part surface between both ends that bi-directional gear (2) are located, last ratchet (5) and lower ratchet (6) after the both ends of bi-directional gear (2) are connected respectively through flange, the ratchet opposite direction of going up ratchet (5) and lower ratchet (6) outer fringe, coaxial main shaft (1) behind the central authorities cooperation of bi-directional gear (2).

2. The vehicle door bi-directional brake of claim 1 wherein: the fixing flange comprises an upper fixing flange (3) matched with the upper ratchet wheel (5) and a lower fixing flange (4) matched with the lower ratchet wheel (6).

3. The vehicle door bi-directional brake of claim 2 wherein: the upper ratchet wheel (5) comprises a first clamping ring (502) sleeved on the outer side of the end part of the bidirectional gear (2), and an integral time-sequence toothed ring (501) is arranged on the outer side surface of the first clamping ring (502).

4. The vehicle door bi-directional brake of claim 3 wherein: the novel gear is characterized in that the first clamping ring (502) is located between the two-way gear (2) and the end face of the upper fixing flange (3), the thickness of the first clamping ring (502) is smaller than that of the clockwise gear ring (501), a wear-resisting piece (7) is arranged between the end face of the first clamping ring (502) and the end faces of the two-way gear (2) and the upper fixing flange (3), and a gasket (8) is arranged between the inner wall of the first clamping ring (502) and the outer side face of the end portion of the two-way gear (2).

5. The vehicle door bi-directional brake of claim 4 wherein: the lower ratchet wheel (6) comprises a second clamping ring (602) sleeved outside the end part of the bidirectional gear (2), and an integral reverse-time toothed ring (601) is arranged on the outer side surface of the second clamping ring (602).

6. The vehicle door bi-directional brake of claim 5 wherein: the second clamping ring (602) is located between the end faces of the two-way gear (2) and the lower fixing flange (4), the thickness of the second clamping ring (602) is smaller than that of the inverted tooth ring (601), a wear pad (7) is arranged between the end face of the second clamping ring (602) and the end faces of the two-way gear (2) and the lower fixing flange (4), and a gasket (8) is arranged between the inner wall of the second clamping ring (602) and the outer side face of the end portion of the two-way gear (2).

7. The vehicle door bi-directional brake of any one of claims 2-6, wherein: the middle section of the main shaft (1) is provided with a spline shaft, and the bidirectional gear (2) is provided with spline grooves penetrating through two ends and suitable for being matched with the spline shaft.

8. The vehicle door bi-directional brake of claim 7 wherein: the middle part of the lower fixing flange (4) is sunken towards the bidirectional gear (2), the part of the main shaft (1) extending out of the outer end face of the lower fixing flange (4) is provided with an integrated expansion ring, and the expansion ring is positioned in the sunken structure of the lower fixing flange (4) and is fixedly connected with the lower fixing flange (4) through a limiting pin (9).