CN212708889U

CN212708889U - Rear limiting mechanism of automobile sliding door

Info

Publication number: CN212708889U
Application number: CN202021267462.7U
Authority: CN
Inventors: 张承良; 龚占鹏; 洪燕; 马德仁
Original assignee: Zotye New Energy Automobile Co ltd
Current assignee: Zotye New Energy Automobile Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-16
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to a stop gear behind car sliding door. The utility model provides a stop gear behind car sliding door, is fixed with the lower rail assembly on the automobile body, the rear end of sliding door is fixed with down travelling wheel arm assembly, lower travelling wheel arm assembly includes the digging arm fixed with the sliding door, the digging arm is rotatable to be fixed with the turning block, rotatable leading wheel and bearing wheel of being fixed with on the turning block, the vertical setting of axis of leading wheel, the axis of bearing wheel transversely sets up, the lower rail assembly includes top, bottom and first lateral part and second lateral part, the second lateral part is equipped with the breach, breach department is fixed with the spacing piece of elasticity, the spacing piece of elasticity has the spacing portion that extends to between first lateral part and second lateral part, the leading wheel is located between first lateral part and the second lateral part, the bearing wheel is located between top and the bottom. The utility model has the advantages of can be used for spacing when the door that slides is opened completely, compact structure can be applicable to the small-size car door that slides.

Description

Rear limiting mechanism of automobile sliding door

Technical Field

The utility model relates to a car with door slides, concretely relates to stop gear behind car door slides.

Background

The traditional vehicle types with the sliding door are minibus, MPV and commercial vehicle, the wheelbase and the wheelbase of the vehicle types are large, and the vehicle types are provided with sliding door locking mechanisms in order to limit the sliding door when the sliding door is opened to the maximum position.

The common sliding door locking mechanism comprises a limiting lock arranged on a lower traveling wheel arm, a lock catch matched with the sliding rail is installed at the tail end of the sliding rail, when the sliding door is opened to the maximum position, the lock hook of the limiting lock is hung into the lock catch, free sliding of the sliding door is limited, the cost of the limiting lock structure is higher, the occupied space is larger, and the sliding door locking mechanism is not suitable for small sliding door vehicles.

Disclosure of Invention

The utility model aims at providing a can be used for the sliding door spacing when opening completely, and compact structure is applicable to the car of small-size car and slides a rear stop gear.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a rear limiting mechanism of an automobile sliding door is characterized in that a lower guide rail assembly is fixed on an automobile body, the sliding door can slide along the front and the rear of the lower guide rail assembly, a lower travelling wheel arm assembly is fixed at the rear end of the sliding door and comprises a movable arm fixed with the sliding door, a rotating block is rotatably fixed at the position, away from the sliding door, of the movable arm, a guide wheel and a bearing wheel are rotatably fixed on the rotating block, the axis of the guide wheel is vertically arranged, the axis of the bearing wheel is transversely arranged, the lower guide rail assembly comprises a top, a bottom, a first side and a second side, the upper end of the first side is connected with the top, a yielding space for the rotating block to pass through is formed between one end of the upper end of the second side and the bottom or the top of the second side, a notch is formed in the second side, an elastic limiting sheet is fixed at the notch, and has a limiting portion extending to the first side and the second side, the guide wheel is located between the first side portion and the second side portion, and the bearing wheel is located between the top portion and the bottom portion.

The utility model discloses a second side department at the lower guideway assembly sets up the spacing piece of elasticity, when the door was opened completely, has the leading wheel through the spacing piece of elasticity, spacing portion on the spacing piece of elasticity can be compressed because of the dead weight and the removal inertia of door to make there be the leading wheel can be through spacing arch, carry on spacingly with the door that slides after opening through spacing arch, with spacing when realizing that the door that slides is opened completely. The sliding door can be closed only when the sliding door is stressed to overcome the elastic force at the limiting part, so that the sliding door is prevented from shaking forwards and backwards due to misoperation. Wherein, can set up spacing quantity and position as required. The elastic limiting piece is positioned in the notch of the second side part of the lower guide rail assembly, the structure is compact, and the sliding door is suitable for sliding doors of small vehicles. Wherein, the utility model discloses mechanism structure is simple, and the cost is lower. The axis setting directions of the guide wheel and the bearing wheel are different, and the guide wheel and the bearing wheel can be used for limiting the left and right of the sliding door and the upper line to swing. The rotatable arrangement mode of the roller type parts of the guide wheel and the bearing wheel is of a conventional structure. The lower guide rail assembly can be arranged on any vehicle type, and the side wall of one side of the lower guide rail assembly can be cut to obtain the notch.

Preferably, the elastic stopper piece is bent to form the stopper portion. The limiting part is obtained through a bending mode, so that the structure of the elastic limiting piece is simpler, meanwhile, the elasticity of the required customer service limiting part is smaller, and the sliding door is convenient to open and close.

Preferably, the limiting part is of a V-shaped structure and is composed of a front limiting part section and a rear limiting part section, and the length of the front limiting part section is greater than that of the rear limiting part section. The elastic limiting piece is simple in structure, elastic stretching of the limiting portion is facilitated, meanwhile, the elasticity to be served by a customer is smaller, and opening and closing of the sliding door are facilitated.

Preferably, the elastic limiting piece is fixed on the limiting frame, the limiting frame is fixed with the lower guide rail assembly, a buffer block is arranged at the rear end of the limiting frame, a sliding door is far away from the movable arm, a first movable arm and a second movable arm are arranged, the first movable arm is located on the rear side of the second movable arm, the rotating block and the second movable arm can be rotationally fixed, and when one guide wheel crosses the limiting portion, the rear end face of the first movable arm is in contact with the buffer block. The buffer block is used for playing a role in buffering and weakening potential energy of the sliding door when the sliding door is opened to the maximum position so as to prevent the lower guide rail assembly and the sliding door from being damaged.

Preferably, the elastic limiting piece is fixed on the side surface of the limiting frame, the rear end of the elastic limiting piece is bent towards the side surface to form a positioning part, the side surface of the limiting frame is provided with a positioning hole matched with the positioning part, and the front part of the elastic limiting piece, which deviates from the positioning part, is fixed with the limiting frame through a first fastening piece. The front end of the elastic limiting piece is not fixed with any part, so that elastic expansion of the limiting part and opening and closing of the sliding door are facilitated. The first fastener can be a bolt, a rivet or other columnar fasteners.

Preferably, the side surface of the limiting frame is provided with an accommodating groove for accommodating the position of the elastic limiting sheet deviated from the limiting part. When the sliding door is opened, the guide wheel or the bearing wheel cannot collide with the front end of the elastic limiting piece so as to prevent the elastic limiting piece from being bent towards the side of the first side part.

Preferably, the number of the guide wheels is two, and one bearing wheel is positioned between the two guide wheels. The above arrangement is to improve stability in use.

Preferably, a connecting frame is fixed on the upper side of the top, the limiting frame is fixed on the lower side of the connecting frame and located on the side of the top, and the connecting frame is provided with a plurality of observation holes penetrating through the connecting frame from top to bottom. The observation hole is used for assembling the observation to leading wheel, bearing wheel, and the assembly workman of being convenient for goes on the utility model discloses the assembly of mechanism.

Preferably, the cross section of the connecting frame is L-shaped and consists of an upper connecting frame part and a lower connecting frame part, and the upper connecting frame part and the lower connecting frame part are both fixed with the lower guide rail assembly. The contact area of the connecting frame and the lower guide rail assembly is increased by the arrangement, so that the number of welding positions of the connecting frame and the lower guide rail assembly is increased, and the fixing stability of the connecting frame is improved.

Preferably, the connecting frame is provided with a fixing hole which penetrates through the connecting frame from top to bottom at the position deviating from the first side, a plurality of second fastening pieces which extend upwards are fixed on the limiting frame, and the connecting frame and the limiting frame are fixed so that the second fastening pieces upwards penetrate through the fixing hole. The arrangement makes the assembly of the limiting frame and the connecting frame more convenient.

The utility model has the advantages of spacing when can be used for the door that slides to open completely, just the utility model discloses still have compact structure, can be applicable to the advantage of small-size car door that slides, still have simple structure, the lower advantage of cost.

Drawings

Fig. 1 is a schematic structural view of the sliding door of the present invention when fully opened;

fig. 2 is a cross-sectional view of the sliding door of the present invention when fully opened;

fig. 3 is a schematic structural view of the spacing frame of the present invention;

fig. 4 is another schematic structural view of the spacing frame of the present invention;

fig. 5 is a schematic structural view of the connecting frame of the present invention;

fig. 6 is a schematic structural view of the lower traveling wheel arm assembly of the present invention.

Detailed Description

The invention will be further described with reference to the drawings and the specific embodiments.

As shown in fig. 1 to 6, the rear limiting mechanism for a sliding door of an automobile of the present invention comprises a lower guide rail assembly 1 fixed on an automobile body, the sliding door can slide back and forth along the lower guide rail assembly 1, a lower traveling wheel arm assembly 2 fixed at a rear end of the sliding door, the lower traveling wheel arm assembly 2 including a movable arm 21 fixed with the sliding door, a rotating block 22 rotatably fixed at a position of the movable arm 21 away from the sliding door, a guide wheel 23 and a bearing wheel 24 rotatably fixed on the rotating block 22, an axis of the guide wheel 23 being vertically arranged, an axis of the bearing wheel 24 being transversely arranged, the lower guide rail assembly 1 including a top portion 11, a bottom portion 12, a first side portion 13 and a second side portion 14, an upper end of the first side portion 13 being connected with the top portion 11, an upper end of the second side portion 14 being connected with the top portion 11, so that the top portion 11, the first side portion 13 and the second side portion 14 constitute a guide rail of an n-shaped structure, the guide rail being fixed, the lower end of the second side portion 14 and the bottom portion 12 are provided with a space for the rotating block 22 to pass through, the second side portion 14 is provided with a notch which is arranged along the front-back direction and is of a strip-shaped groove structure, an elastic limiting piece 3 is fixed at the notch, the elastic limiting piece 3 is provided with a limiting portion 31 extending to a position between the first side portion 13 and the second side portion 14, the guide wheel 23 is positioned between the first side portion 13 and the second side portion 14, the bearing wheel 24 is positioned between the top portion 11 and the bottom portion 12, the outer wall of the guide wheel 23 can be in contact with the inner wall of the first side portion 13 and the inner wall of the second side portion 14, the bearing wheel 24 is supported on the bottom portion 12, and the upper edge of.

The number of the guide wheels 23 is two, and one bearing wheel 24 is positioned between the two guide wheels 23. The guide wheel 23 and the bearing wheel 24 are both rotatably fixed on the rotating block 22 through a wheel shaft, the wheel shaft can be composed of a thin section and a thick section, the thick section is used for preventing the guide wheel and the bearing wheel from falling off, and the thin section is used for penetrating through the guide wheel and the bearing wheel and then is in threaded fit with the rotating block.

The elastic limiting piece 3 is bent to form a limiting part 31, the limiting part 31 is in a V-shaped structure and is composed of a limiting part front section 311 and a limiting part rear section 312, and the length of the limiting part front section 311 is greater than that of the limiting part rear section 312.

The elastic limiting piece 3 is fixed on the limiting frame 4, the limiting frame 4 is fixed with the lower guide rail assembly 1, the buffer block 41 is arranged at the rear end of the limiting frame 4, the movable arm 21 is provided with a first movable arm part 211 and a second movable arm part 212 at the position far away from the sliding door, the first movable arm part 211 is positioned at the rear side of the second movable arm part 212, the rotating block 22 and the second movable arm part 212 can be fixed in a rotating mode, and when one guide wheel 23 crosses the limiting part 31, the rear end face of the first movable arm part 211 is in contact with the buffer block 41.

The elastic limiting piece 3 is fixed on the side surface of the limiting frame 4, the rear end of the elastic limiting piece 3 is bent towards the side surface to form a positioning part 32, the side surface of the limiting frame 4 is provided with a positioning hole matched with the positioning part 32, and the front part of the elastic limiting piece 3, which deviates from the positioning part 32, is fixed with the limiting frame 4 through a first fastening piece 33. Wherein the first fastener 33 is a rivet. Wherein, the side of the limit frame 4 is formed with an accommodating groove 42 for accommodating the position of the elastic limit sheet 3 deviating from the limit part 31.

The top 11 upside is fixed with link 5, and spacing 4 is fixed in link 5 downside and is located top 11 side, and link 5 has a plurality of observation holes 51 that run through from top to bottom. The cross section of the connecting frame 5 is L-shaped and consists of an upper connecting frame part 52 and a lower connecting frame part 53, the side edge of the upper connecting frame part 52 is connected with the upper end of the lower connecting frame part 53, and the upper connecting frame part 52 and the lower connecting frame part 53 are welded and fixed with the lower guide rail assembly 1. The first connecting frame part 52 is provided with a fixing hole 54 which penetrates through the first side part 13 up and down, a plurality of second fastening pieces 44 which extend upwards are fixed on the limiting frame 4, and the connecting frame 5 is fixed with the limiting frame 4 so that the second fastening pieces 44 penetrate through the fixing hole 54 upwards. Wherein the second fastener 44 is a bolt.

Claims

1. A rear limiting mechanism of an automobile sliding door is characterized in that a lower traveling wheel arm assembly is fixed at the rear end of the sliding door, the lower traveling wheel arm assembly comprises a movable arm fixed with the sliding door, a rotating block is rotatably fixed at a position, away from the sliding door, of the movable arm, a guide wheel and a bearing wheel are rotatably fixed on the rotating block, the axis of the guide wheel is vertically arranged, the axis of the bearing wheel is transversely arranged, the lower guide rail assembly comprises a top, a bottom, a first side portion and a second side portion, the upper end of the first side portion is connected with the top, a yielding space for the rotating block to pass through is formed between one end of the upper end and the lower end of the second side portion and the bottom or the top, a notch is formed in the second side portion, an elastic limiting piece is fixed at the notch, and the elastic limiting piece is provided with a limiting portion extending to the position between the first side portion and the second side portion, the guide wheel is located between the first side portion and the second side portion, and the bearing wheel is located between the top portion and the bottom portion.

2. The rear limit mechanism of the automobile sliding door according to claim 1, wherein the elastic limit piece is bent to form the limit portion.

3. The rear limiting mechanism for the sliding door of the automobile as claimed in claim 2, wherein the limiting portion is a V-shaped structure and is composed of a front limiting portion and a rear limiting portion, and the length of the front limiting portion is greater than that of the rear limiting portion.

4. The rear limit mechanism of the automobile sliding door according to claim 1, 2 or 3, characterized in that the elastic limit piece is fixed on a limit frame, the limit frame is fixed with the lower guide rail assembly, a buffer block is arranged at the rear end of the limit frame, a first movable arm and a second movable arm are arranged at the position of the movable arm far away from the sliding door, the first movable arm is positioned at the rear side of the second movable arm, the rotating block and the second movable arm are rotatably fixed, and when a guide wheel crosses the limit block, the rear end surface of the first movable arm is in contact with the buffer block.

5. The rear limiting mechanism of automobile sliding door according to claim 4, wherein the elastic limiting sheet is fixed on the side surface of the limiting frame, the rear end of the elastic limiting sheet is bent to the side surface to form a positioning portion, the side surface of the limiting frame is provided with a positioning hole matched with the positioning portion, and the front part of the elastic limiting sheet, which deviates from the positioning portion, is fixed with the limiting frame through a first fastening piece.

6. The rear limit mechanism of automobile sliding door according to claim 5, characterized in that the side of the limit frame is formed with a receiving groove for receiving the elastic limit piece deviating from the limit part.

7. The rear limit mechanism of the automobile sliding door according to claim 1, wherein the number of the guide wheels is two, and one bearing wheel is positioned between the two guide wheels.

8. The rear limit mechanism of the automobile sliding door according to claim 4, characterized in that a connecting frame is fixed on the upper side of the top part, the limit frame is fixed on the lower side of the connecting frame and positioned on the side of the top part, and the connecting frame is provided with a plurality of observation holes which penetrate through the connecting frame up and down.

9. The rear limit mechanism of the automobile sliding door according to claim 8, wherein the cross section of the connecting frame is L-shaped and is composed of an upper connecting frame part and a lower connecting frame part, and the upper connecting frame part and the lower connecting frame part are both fixed with the lower guide rail assembly.

10. The rear limit mechanism of the automobile sliding door according to claim 8, wherein the connecting frame is provided with a fixing hole which penetrates through the connecting frame from top to bottom at the position deviating from the first side part, a plurality of second fastening pieces which extend upwards are fixed on the limiting frame, and the connecting frame is fixed with the limiting frame so that the second fastening pieces upwards penetrate through the fixing hole.