CN217001332U

CN217001332U - Car door limiter

Info

Publication number: CN217001332U
Application number: CN202122770051.0U
Authority: CN
Inventors: 康健民
Original assignee: Yingji Automobile Technology Shanghai Co ltd
Current assignee: Yingji Automobile Technology Shanghai Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-07-19
Anticipated expiration: 2031-11-12

Abstract

The utility model belongs to the field of vehicle limiters, and discloses a vehicle door limiter which can greatly reduce the structural complexity of a shell unit and can be matched with various limiting arms, so that the corresponding processing process is greatly simplified, and the diversified requirements of customers are met.

Description

Car door limiter

Technical Field

The utility model belongs to the field of vehicle limiters, and particularly relates to a vehicle door limiter.

Background

At present, the stopper on the market is formed by penetrating a stopper arm into a housing unit, the whole housing unit is provided with a passing space for the passage of the stopper arm, and a predetermined stopper running path is formed by the passage of the stopper arm with a predetermined profile in the housing.

Although the degree of standardization of such a stopper is relatively high, in practical application, there is also a significant disadvantage: 1. the structure of the shell unit of the limiter is a porous or multi-groove structure, and the complexity of the structure is higher, so that the processing process is complicated; 2. after the housing unit is manufactured, the housing unit is only adapted to a predetermined limiting arm through space, and cannot be adapted to other limiting arms, so that diversified requirements of customers cannot be met.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the car door limiter which can greatly reduce the structural complexity of a shell unit and can be matched with various limiting arms, so that the corresponding processing process is greatly simplified, and the diversified requirements of customers are met.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a door stopper installs between automobile body and the door that corresponds, including spacing arm, its characterized in that still includes: the shell unit comprises two half shells and a connecting stepped shaft, and the limiting arm is arranged between the two half shells; the half shell is provided with a connecting flange, a positioning through hole is formed in the connecting flange, the connecting stepped shaft is provided with two symmetrically-arranged positioning shaft shoulders, the positioning shaft shoulders and the part, located near the positioning shaft shoulders, between the end faces of the connecting stepped shaft are connected with the stepped shaft to serve as positioning shaft sections, and the positioning shaft sections are arranged in the positioning through hole in a penetrating mode in a matched mode.

Preferably, the connecting stepped shaft is further provided with two vibration-avoiding shaft shoulders which are symmetrically arranged, the two vibration-avoiding shaft shoulders are located between the two positioning shaft shoulders, the part between the two vibration-avoiding shaft shoulders is connected with the stepped shaft to serve as a vibration-avoiding shaft section, and the surface of the vibration-avoiding shaft section is in rolling contact with the surface of the limiting arm.

Preferably, the half shell further has a mounting flange perpendicular to the connecting flange, and the shell unit further includes a plurality of connecting assemblies, at least one connecting assembly is disposed on each mounting flange, each connecting assembly has a connecting plate and a connecting bolt penetrating through the connecting plate, the connecting plate has a plurality of inner bending press-fixing lugs symmetrically disposed, and the inner bending press-fixing lugs are press-fixed on the mounting flange.

Furthermore, the mounting flange is rectangular plate-shaped, the connecting plate is provided with at least one pair of inward bending and pressing lugs, and the at least one pair of inward bending and pressing lugs are respectively pressed and fixed on two opposite ends of the mounting flange.

Further, the half shell has an escape groove located on a surface of the mounting flange.

Still further, the utility model also comprises two limiting compression assemblies, the half shell is also provided with an assembly accommodating cavity for correspondingly arranging the limiting compression assemblies, the end face of the half shell positioned near the connecting flange is used as a compression end face, and the assembly accommodating cavity is provided with a compression opening positioned on the compression end face.

Still further, the half shell is provided with a closed end face opposite to the pressing end face, the direction pointing from the closed end face to the pressing end face is used as a preset pressing direction, the mounting flange and the avoiding groove are arranged along the preset pressing direction, and the avoiding groove is opened through the closed end face.

Still further, the limiting and compressing assembly comprises a limiting spring and a limiting block abutted to the limiting spring, a plurality of oil storage straight grooves are formed in the limiting block along a preset compressing direction, dust bearing steps are arranged on the surface of the limiting block in a surrounding mode and are arranged in a continuous and closed mode, the dust bearing steps are provided with continuous and closed dust storage annular grooves, the oil storage straight grooves are used for storing oil, and the dust storage annular grooves are used for receiving falling ash.

Furthermore, the buffer device also comprises a buffer rubber block, wherein the buffer rubber block is used for buffering the collision of the limiting arm to the shell unit, the half shell is also provided with a clamping groove, the clamping groove and the mounting flange are oppositely arranged on the half shell, and the end surface of the buffer rubber block is in concave-convex fit with the clamping groove.

Preferably, the length of the positioning shaft section is less than the length of the hole passage of the positioning through hole, the connecting stepped shaft is provided with a fixing through hole extending along the length direction of the connecting stepped shaft, and the rivet is used for riveting the connecting stepped shaft between the two half shells by penetrating through the fixing through hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. because the car door limiter of the utility model comprises a limiting arm and a shell unit, comprising two half shells and a connecting stepped shaft, the limiting arm is arranged between the two half shells, the half shells are provided with connecting flanges, the connecting flanges are provided with positioning through holes, the connecting stepped shaft is provided with two symmetrically arranged positioning shaft shoulders, the part between the positioning shaft shoulders and the end surface of the connecting stepped shaft near the positioning shaft shoulders is connected with the stepped shaft as a positioning shaft section, the positioning shaft section is arranged in the positioning through holes in a matching way, firstly, since the housing unit is constructed from half-shell assemblies, the design requirements for the groove structures and/or the hole structures on the half-shells are reduced, and, at the same time, because the processing mode of the connecting stepped shaft is simple and easy, and the two connected half shells have extremely high coaxiality, thereby greatly reducing the related processing complexity and lowering the processing complexity under the condition of ensuring that the assembly coaxiality meets the requirements; secondly, because the length of the entity part between the positioning shaft shoulders connected with the stepped shaft can be conveniently designed through processing, the shell unit can conveniently have passing spaces with different sizes through the design of the connecting stepped shaft, and then the limiting arms with different cross sections can be adapted, therefore, the utility model can greatly reduce the structural complexity of the shell unit, and can be adapted to various limiting arms, thereby not only greatly simplifying the corresponding processing process, but also meeting the diversified requirements of customers.

2. Because the connecting stepped shaft is also provided with two symmetrically arranged vibration-avoiding shaft shoulders which are positioned between the two positioning shaft shoulders, the part between the two vibration-avoiding shaft shoulders is connected with the stepped shaft to be used as a vibration-avoiding shaft section, the surface of the vibration-avoiding shaft section is in rolling contact with the surface of the limiting arm, and in the process of the limiting arm passing through the half shell, when the limiting arm vibrates within 0.1mm of the amplitude between the vibration-avoiding shaft sections, the rolling contact can avoid the friction damage brought by the vibration of the limiting arm to the connecting stepped shaft, so the utility model avoids the vibration friction damage brought by the surface of the limiting arm to the shell unit through the rolling contact.

3. Because the half shell of the utility model also has a mounting flange which is perpendicular to the connecting flange, the shell unit also comprises a plurality of connecting assemblies, at least one connecting assembly is arranged on each mounting flange, each connecting assembly is provided with a connecting plate and a connecting bolt which is arranged on the connecting plate in a penetrating way, the connecting plate is provided with a plurality of inner bending pressing lugs which are symmetrically arranged, and the inner bending pressing lugs are arranged on the mounting flange in a pressing way, therefore, the utility model can be installed with relevant components together by the connecting assemblies at various thread intervals, and is easy to assemble.

4. Because the half shell of the utility model is provided with the avoiding groove which is positioned on the surface of the mounting flange, the avoiding groove of the utility model can avoid the head of the connecting bolt.

5. The limiting compression assembly comprises a limiting spring and a limiting block abutted against the limiting spring, wherein a plurality of oil storage straight grooves are formed in the limiting block along a preset compression direction, dust bearing steps are arranged on the surface of the limiting block in a surrounding mode and are continuously arranged in a closed mode, the dust bearing steps are provided with continuous closed dust storage ring grooves, the oil storage straight grooves are used for storing oil, and the dust storage ring grooves are used for receiving falling ash.

6. Because the length of the positioning shaft section is less than the length of the pore channel of the positioning through hole, the connecting stepped shaft is provided with the fixing through hole extending along the length direction of the connecting stepped shaft, and the rivet penetrates through the fixing through hole to rivet the connecting stepped shaft between the two half shells, the connecting stepped shaft can conveniently fix the two half shells through the riveting mode, and the connecting stepped shaft is small in nominal size (3.95mm-4.05 mm).

Drawings

Fig. 1 is a first schematic view of a door check according to a first embodiment of the present invention;

fig. 2 is a second schematic view of a door check according to a first embodiment of the present invention;

fig. 3 is a schematic view of a housing half and connection assembly of a first embodiment of the present invention;

FIG. 4 is a schematic view of a door check without a check arm according to a first embodiment of the present invention;

FIG. 5 is an exploded view of FIG. 4;

FIG. 6 is a schematic view of a stop block of the present invention;

FIG. 7 is a partial cross-sectional view of portion C of FIG. 6;

fig. 8 is a schematic view of a connecting member according to a first embodiment of the present invention;

fig. 9 is a schematic view of a connecting assembly according to a second embodiment of the present invention;

FIG. 10 is a schematic view of a connection plate with a threaded hole according to a first embodiment of the present invention;

fig. 11 is a schematic view of a connection plate having a threaded hole according to a second embodiment of the present invention.

In the figure: 100. a, a limit arm, A1, a limit surface, A11, a limit stop position, A2, a guide surface, 10, a shell unit, 11, a semi-shell, 11a, a closed end surface, 11B, a compression end surface, 11c, a shell side surface, 111, a compression opening, 112, a connecting flange, 112a, a positioning through hole, 113, a mounting flange, 113a, a avoidance groove, 114, a clamping groove, 12, a connecting stepped shaft, 121, a positioning shaft shoulder, 121a, a positioning shaft section, 122, a vibration avoidance shaft shoulder, 122a, a vibration avoidance shaft section, B, a rivet, 13, a connecting component, 131, a connecting plate, 131a, an inner bending compression lug, 132', a connecting bolt, 20, a limit compression component, 21, a limit block, 21a, a dust bearing step, 21B, a dust storage annular groove, 21c and an oil storage straight groove, 30. cushion rubber piece, 131b, cooperation recess, 131 b', cooperation recess.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the following embodiments are specifically described in the vehicle door check device of the utility model with reference to the drawings, and it should be noted that the description of the embodiments is provided for facilitating understanding of the utility model, but the utility model is not limited thereto.

< example one >

As shown in fig. 1-2, the door check 100 of the present embodiment is installed between a vehicle body (not shown in the drawings) and a corresponding vehicle door (not shown in the drawings), and the door check 100 includes a check arm a, a housing unit 10, a check compression assembly 20, and a cushion rubber block 30.

Specifically, when the vehicle door is opened and closed relative to the vehicle body, the limiting arm a passes through the housing unit 10, the limiting arm a has a limiting surface a1 and a guiding surface a2, the limiting surface a1 has a plurality of limiting stopping positions a11, the limiting stopping positions a11 are recessed structures, the limiting arm a can be pressed on the housing unit 10 by alternatively matching with the limiting stopping positions a11 through the limiting pressing assembly 20, so that the function of the vehicle door stopper 100 for limiting and stopping the vehicle door relative to the vehicle body at a plurality of preset positions is realized, the guiding surface a2 has a preset curve profile, so that a passing path with a preset shape is formed when the limiting arm a passes through the housing unit 10, and in the present embodiment, when the limiting arm a passes through the passing path with the preset shape, the swing amplitude of the limiting arm a relative to the passing path in the same horizontal plane is 0.1mm or less.

The housing unit 10 includes a housing half 11, a connection stepped shaft 12, and a connection assembly 13.

The number of the half shells 11 is two, and the two half shells 11 can be connected together by a connecting stepped shaft 12, a limit arm passing space (not shown in the drawing) is formed between the connected connecting stepped shafts 12, and a limit arm a is disposed between the two half shells 11.

As shown in fig. 3 to 5, the housing half 11 has a closed end face 11a, a press end face 11b, a module accommodating chamber (not shown in the drawings), and a housing side face 11 c.

The closed end surface 11a and the pressing end surface 11b are disposed oppositely, and the pressing end surfaces 11b of the two half shells 11 are disposed oppositely, that is, the two pressing end surfaces 11b are opposite inner walls of a space through which the limiting arm passes, a direction from the closed end surface 11a to the pressing end surface 11b is taken as a predetermined pressing direction, the component accommodating chamber extends along the predetermined pressing direction, and the component accommodating chamber has a pressing opening 111 at the pressing end surface 11b, and is used for disposing the limiting pressing component 20.

The case side surface 11c is a surface of the case half 11 adjacent to both the closed end surface 11a and the pressed end surface 11b, and the case half 11 has a connection flange 112, a mounting flange 113, and an engagement groove 114 which are located on both the case side surfaces 11c, and in this embodiment, the case side surface 11c is a continuous curved surface.

The connecting flange 112 is located near the pressing end surface 11b, and the connecting flange 112 has positioning through holes 112a, and specifically, the positioning through holes 112a extend in a predetermined pressing direction, and in the present embodiment, the number of the connecting flanges 112 is 2, and the connecting flanges are located at opposite positions on the case side surface 11, respectively.

The mounting flange 113 has a rectangular plate shape, the arrangement direction is perpendicular to the connection flange 112, an avoidance groove 113a is provided on the surface of the mounting flange 113, the mounting flange 113 and the avoidance groove 113a are both arranged in a predetermined pressing direction, and the avoidance groove 113a is opened through the closed end surface 11 a.

The engaging groove 114 is a through groove, and is provided opposite to the mounting flange 113 on the half shell 11, and the engaging groove 114 is located near the space through which the stopper arm passes.

The connecting stepped shaft 12 has a positioning shoulder 121 and a vibration-preventing shoulder 122 which are both symmetrically arranged, and the diameter of the connecting stepped shaft 12 is gradually reduced from the middle to the end.

The number of the positioning shaft shoulders 121 is two, the positioning shaft shoulders 121 and the part of the connecting stepped shaft 12 located near the positioning shaft shoulders 121, which is located between the end faces of the connecting stepped shaft 12, are used as positioning shaft sections 121a, and the positioning shaft sections 121a are fittingly inserted into the positioning through holes 112 a.

The length of the positioning shaft segment 121a is smaller than the length of the hole passage of the positioning through hole 112a, the connecting stepped shaft 12 has a fixing through hole (not shown in the drawings) extending along the length direction thereof, and a rivet B rivets the connecting stepped shaft 12 between the two half shells 11 by passing through the fixing through hole, wherein the diameter of the positioning shaft segment 121a is 3.95mm to 4.05mm in the present embodiment.

The number of the vibration-absorbing shaft shoulders 122 is two, the two vibration-absorbing shaft shoulders 122 are located between the two positioning shaft shoulders 121, the part between the two vibration-absorbing shaft shoulders 122 is connected with the stepped shaft 12 to serve as a vibration-absorbing shaft section 122a, the surface of the vibration-absorbing shaft section 122a is in rolling contact with the surface of the limiting arm a, and specifically, when the limiting arm a passes through the limiting arm passing space, the vibration-absorbing shaft section 122a is in rolling contact with the guide surface a 2.

Spacing subassembly 20 that compresses tightly includes spacing spring (not shown in the drawing) and stopper 21 of butt on spacing spring, specifically, spacing spring and stopper 21 set gradually along predetermined direction that compresses tightly and hold the intracavity at the subassembly, the one end butt of spacing spring holds on the inner wall in chamber is held to the subassembly, the other end butt is on stopper 21, under spacing spring's effect, stopper 21 has the trend of motion of keeping away from corresponding half casing 11, in spacing arm A passes through the in-process in the space, the head of stopper 21 is through sliding into spacing stop A11, thereby carry out spacing parking to spacing arm A, and can be through under the effect of exerting predetermined external force to spacing arm A, make the stopper overcome the elasticity of spacing spring and break away from spacing stop A11, thereby make spacing arm A reply from spacing parking.

As shown in fig. 6 and 7, the limiting block 21 is provided with a plurality of oil storage straight grooves 21c along a predetermined pressing direction, the surface of the limiting block 21 is provided with dust bearing steps 21a which are circumferentially arranged, the dust bearing steps 21a are continuously and hermetically arranged, the dust bearing steps 21a are provided with continuous and closed dust storage ring grooves 21b, the oil storage straight grooves 21c are used for storing oil, the dust storage ring grooves 21b are used for receiving falling dust, specifically, the limiting block 21 is a ball-head round bar, the ball head portion of the limiting block 21 is used for being matched with a limiting stop position a11 so as to press the limiting arm a, the dust bearing steps 21a and the dust storage ring grooves 21b are circumferentially and continuously and hermetically arranged along the limiting block 21, and the ball head portion of the limiting block 21 is used for abutting against a limiting spring.

The cushion rubber block 30 is used for buffering the collision of the limit arm a to the housing unit 11, and the end face of the cushion rubber block 30 is in concave-convex fit with the engaging groove 114.

As shown in fig. 8, the number of the connecting members 13 is plural, at least one connecting member 13 is provided on each mounting flange 113, and the connecting member 13 has a connecting plate 131 and a connecting bolt 132 inserted through the connecting plate 131.

The connecting plate 131 has a plurality of inner bending fixing lugs 131a which are symmetrically arranged, the inner bending fixing lugs 131a are fixedly arranged on the mounting flange 113, the connecting plate 131 has at least one pair of inner bending fixing lugs 131a, the at least one pair of inner bending fixing lugs 131a are respectively fixedly arranged on two opposite ends of the mounting flange 113, specifically, each connecting plate 131 has a pair of inner bending fixing lugs 131a and a connecting bolt 132, the mounting flange 113 of each half shell 11 is provided with one connecting plate 131, the door check 100 is provided with two connecting plates 131, and the connecting plates 131 and the avoidance grooves 113a form a space for accommodating heads of the connecting bolts 132.

< example two >

In the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the same description thereof is omitted.

In the second embodiment, the door check 100 is different from the first embodiment in that:

specifically, as shown in fig. 9, in the connecting assembly 13 'of the present embodiment, each connecting plate 131' has two pairs of inward bending and pressing tabs 131a 'and two connecting bolts 132', each pair of inward bending and pressing tabs 131a 'is respectively press-fitted to the mounting flanges 113 of the two half shells 11, and the door check 100 is provided with one connecting plate 131, so that, compared to the first embodiment, the second embodiment further improves the overall structural strength of the door check 100 through the connecting plate 131'.

The above-described embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and changes can be made by those skilled in the art without inventive work within the scope of the appended claims.

For example, in the first and second embodiments, the connection plates 131 and 131 ' are used to connect the door check 100 to other components by inserting the connection bolt 132 through the through hole, but in a specific practice, the connection plates 131 and 131 ' may be used to connect the door check 100 to other components by using the connection plates 131 and 131 ' having the screw holes as shown in fig. 10 and 11, and the connection plates 131 and 131 ' having the screw holes as shown in fig. 10 and 11 are used to connect the door check 100 to other components by fitting the fastening screw (not shown in the drawings), and since the head of the fastening screw is thicker than the head of the connection bolt 132, when the connection plates 131 and 131 ' having the screw holes as shown in fig. 10 and 11 are used, the corresponding fitting grooves 131b and 131b ' should be pressed out on the surfaces of the connection plates 131 and 131 ', so that the distance between the escape groove 113a and the bottom of the fitting groove 131b or 131b ' is larger than the distance between the escape groove 113a and the surface of the connection plate 131b or 131b ' when the bolt is connected, thereby satisfying the installation of the screwing screw with thicker head.

Claims

1. The utility model provides a door stopper installs between automobile body and the door that corresponds, including spacing arm, its characterized in that still includes:

the shell unit comprises two half shells and a connecting stepped shaft, and the limiting arm is arranged between the two half shells;

the half shell is provided with a connecting flange, a positioning through hole is formed in the connecting flange, the connecting stepped shaft is provided with two symmetrically arranged positioning shaft shoulders, the positioning shaft shoulders and the part, located near the positioning shaft shoulders, between the end faces of the connecting stepped shaft serve as positioning shaft sections, and the positioning shaft sections are arranged in the positioning through hole in a penetrating mode in a matching mode.

2. The door checker according to claim 1, wherein:

the connecting stepped shaft is further provided with two vibration-avoiding shaft shoulders which are symmetrically arranged, the two vibration-avoiding shaft shoulders are located between the two positioning shaft shoulders, the connecting stepped shaft is used as a vibration-avoiding shaft section, and the surface of the vibration-avoiding shaft section is in rolling contact with the surface of the limiting arm.

3. The door checker according to claim 1, wherein:

wherein the half shell further has a mounting flange perpendicular to the connection flange,

the housing unit further comprising a plurality of connection assemblies, at least one of the connection assemblies being disposed on each of the mounting flanges,

the connecting component is provided with a connecting plate and a connecting bolt which is arranged on the connecting plate in a penetrating way,

the connecting plate is provided with a plurality of inner bending and pressing lugs which are symmetrically arranged, and the inner bending and pressing lugs are fixedly arranged on the mounting flange.

4. The door checker according to claim 3, wherein:

wherein the mounting flange is in the shape of a rectangular plate,

the connecting plate is provided with at least one pair of the inward bending and pressing lugs, and the at least one pair of the inward bending and pressing lugs are respectively pressed and fixed on two opposite ends of the mounting flange.

5. The door checker according to claim 4, wherein:

wherein the half shell has an escape groove on a surface of the mounting flange.

6. The door checker according to claim 5, further comprising:

two limiting and pressing components are arranged on the upper surface of the frame,

the half shell is also provided with a component accommodating cavity for correspondingly arranging the limiting and pressing component, the end surface of the half shell positioned near the connecting flange is used as a pressing end surface,

the assembly accommodating cavity is provided with a pressing opening located on the pressing end face.

7. The door checker according to claim 6, wherein:

wherein the half shell further has a closed end face opposite the compression end face,

the direction from the closed end face to the pressing end face is taken as a preset pressing direction,

the mounting flange and the avoiding groove are arranged along the preset compressing direction, and the avoiding groove is opened through the closed end face.

8. The door checker according to claim 7, wherein:

wherein, spacing compressing tightly the subassembly and including spacing spring and the stopper of butt on spacing spring, this stopper is followed the predetermined direction that compresses tightly is provided with many oil storage straight flutes, the surface of stopper has the dirt step that holds that encircles the setting, should hold the continuous closed setting of dirt step to this holds the dirt step and has continuous confined dust storage annular, the oil storage straight flute is used for storing oil, the dust storage annular is used for accepting the ash that falls.

9. The door checker according to claim 3, further comprising:

a cushion rubber block for cushioning collision of the limit arm against the housing unit,

the half shell is also provided with a clamping groove, the clamping groove and the mounting flange are oppositely arranged on the half shell, and the end surface of the buffer rubber block is in concave-convex fit with the clamping groove.

10. The door checker according to claim 1, wherein:

the length of the positioning shaft section is smaller than the length of a hole channel of the positioning through hole, the connecting stepped shaft is provided with a fixing through hole extending along the length direction of the connecting stepped shaft, and a rivet penetrates through the fixing through hole to rivet and fix the connecting stepped shaft between the two half shells.