CN211009483U

CN211009483U - Fender buckle

Info

Publication number: CN211009483U
Application number: CN201921704926.3U
Authority: CN
Inventors: 龙从华; 龙腾瑶; 龙瞻庭
Original assignee: Chongqing Sanlong Rubber and Plastic Mold Products Co Ltd
Current assignee: Chongqing Sanlong Rubber and Plastic Mold Products Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-14
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a fender buckle, which comprises a bayonet lock (1) and a buckle body, wherein one end of the bayonet lock (1) is provided with a pin cover (11), the other end is provided with a round boss (14), and the bayonet lock (1) is provided with a first guide block (12) and a second guide block (13); a first fixture block (121), a third fixture block (132) and a second fixture block (131) are arranged on the bayonet lock (1); the buckle body comprises a fixed plate (21), an arc-shaped boss (22) and four ejector rods (31), and a through hole (23) is formed in the middle of the fixed plate (21); the inner side walls of the four ejector rods (31) are provided with arc-shaped grooves. The utility model discloses set up the bayonet lock and peg graft on the buckle body to by first fixture block, second fixture block, third fixture block and locating piece and the butt of corresponding stepping down inclined plane and between the transition inclined plane spacing, realize fixed to the fender, simple structure is compact, and the dismouting is convenient, and the range of application is wide.

Description

Fender buckle

Technical Field

The utility model relates to an automobile manufacturing field, in particular to fender buckle.

Background

At present, in the automobile industry, the fixed connection of automobile body covering parts such as a fender and an automobile body mostly adopts an assembling method of bolts and embedded nuts, and due to the limitation of tool installation space and peripheral accessories, the assembly and disassembly of the automobile fender position are troublesome under the condition of ensuring the matching of the fender and the peripheral outer covering part.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a fender buckle of dismouting both being convenient for.

The technical scheme of the utility model as follows:

a fender buckle comprises a bayonet lock and a buckle body, wherein one end of the bayonet lock is provided with a pin cover, the other end of the bayonet lock is provided with a circular boss, the bayonet lock is symmetrically provided with two first guide blocks and two second guide blocks, the two first guide blocks and the two second guide blocks are arranged at intervals, and three positioning blocks are axially arranged between every two adjacent first guide blocks and second guide blocks; on the bayonet lock, a first fixture block is arranged along the axial direction of the first guide block, a third fixture block and a second fixture block are sequentially arranged along the axial direction of the second guide block, and the two first fixture blocks and the two second fixture blocks are uniformly arranged along the circumferential direction of the bayonet lock;

the buckle body comprises a fixed plate, two arc-shaped bosses are symmetrically arranged at one end of the fixed plate, four ejector rods horizontally extending are uniformly arranged in the middle of the other end of the fixed plate along the circumferential direction, a through hole is formed in the middle of the fixed plate, guide grooves are formed in the hole wall of the through hole and correspond to the positions of the first guide block and the second guide block, and the distance between every two adjacent ejector rods is the same as the groove width of each guide groove; the inner side walls of the four ejector rods are provided with arc-shaped grooves, one ends of the arc-shaped grooves are provided with first transition inclined planes, and the other ends of the arc-shaped grooves are provided with second transition inclined planes.

By adopting the structure, the ejector rod is inserted into the mounting hole at the corresponding position on the fender, the fixing plate is pressed, the end face of the corresponding end of the fixing plate is abutted against the end face at the position of the mounting hole, at the moment, the bayonet lock is inserted into the position of the through hole of the fixing plate, the circular boss, the first clamping block, the second clamping block and the third clamping block penetrate through the through hole and reach the positions of the arc-shaped grooves of the four ejector rods, the pin cover is continuously pressed, so that the first guide block and the second guide block also respectively extend into the guide grooves at the corresponding positions, the circular boss moves to the position of the first transition inclined plane of the ejector rod, the outer side wall of the circular boss is abutted against the first transition inclined plane, the extending ends of the four ejector rods are simultaneously jacked to form a flared shape, when the pin cover is abutted against the end face at the corresponding end of the fixing plate, the bayonet lock is installed in place, the circular boss at the moment already advances the first transition inclined plane, the high end, the four ejector rods are also ejected in place, the formed opening shape is opened to the maximum degree, at the moment, the outer side walls of the ejector rods are abutted against the end faces of the corresponding positions of the mounting holes to form a clamping connection mode, meanwhile, the positioning blocks of the corresponding positions are abutted against the second transition inclined planes for limiting, and the buckle body is fixed in the mounting holes; the buckle position faces the direction of the head or the tail of the vehicle when the vehicle is installed, and the vehicle shakes mainly in the vertical direction during the running process, so that the shaking in the vertical direction does not bring the shifting in the horizontal direction, and the bayonet lock is not easy to pop up due to the influence of external force in the installation direction; when the part is disassembled, only one section of rod-shaped tool needs to be used, the part is pushed against the clamping pin to be ejected out, the positioning block moves along the second transition inclined plane, the pin cover leaves the fixing plate, the clamping pin moves back along the first transition inclined plane, the opening formed by the four ejector rods is reduced until the outer side wall of the clamping pin leaves the first transition inclined plane, the outer side wall of the ejector rod is not abutted to the corresponding position of the mounting hole, the clamping body is taken out of the mounting hole, at the moment, the first clamping block and the second clamping block are abutted to the corresponding positions of the lower end face of the through hole respectively, the clamping pin is still kept in the clamping body, the structure is simple and compact, the.

For convenience of installation and fixation, preferably, the first fixture block and the second fixture block are both in right-angled triangle structures, the high-position ends of the inclined planes of the triangle structures of the two fixture blocks face the first guide block and the second guide block respectively, the high-position ends of the inclined planes of the first fixture block and the second fixture block are both provided with a straight end face, and the plane where the end face of the extending end of the third fixture block is located is higher than the plane where the straight end face is located; the third clamping block extends out obliquely from the second guide block and is of a cylindrical structure.

In order to make the assembly and disassembly smooth, the end face of the protruding end of the third block is preferably provided with a round angle.

For a compact assembly, the radial dimension of the arcuate projection preferably corresponds to the radial dimension of the pin cover.

In order to make the assembly compact, the diameter of the circular boss is preferably adapted to the diameter of the through hole.

In order to facilitate the matching and limiting, preferably, the extending end of the ejector rod is provided with a yielding inclined surface.

For the convenience of assembly, preferably, one end of the guide groove corresponding to the arc-shaped boss is an inclined plane.

In order to reduce the resistance of abdicating interference and ensure the stress strength, the clamping pin is preferably made of PE material through integral injection molding; the buckle body is also made of PE materials through integral injection molding.

Has the advantages that: the utility model discloses set up the bayonet lock and peg graft on the buckle body to by first fixture block, second fixture block, third fixture block and locating piece and the butt of corresponding stepping down inclined plane and between the transition inclined plane spacing, realize fixed to the fender, simple structure is compact, and the dismouting is convenient, and the range of application is wide.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the second latch, the third latch and the latch body in the assembling process.

Fig. 3 is a schematic structural diagram of the positioning block and the groove of the push rod when the positioning block and the push rod are assembled in place.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Shown by figure 1, figure 2 and figure 3, the utility model discloses constitute by bayonet lock 1 and buckle body etc. bayonet lock 1's one end is equipped with round pin lid 11, and the other end is equipped with circular boss 14, and the symmetry is equipped with two first guide blocks 12 and two second guide blocks 13, two on this bayonet lock 1 first guide block 12 and second guide block 13 are the mutual interval setting, adjacent two all be equipped with three locating piece 15 along the axial between first guide block 12 and the second guide block 13.

On the bayonet lock 1, first fixture blocks 121 are arranged along the axial direction of the first guide block 12, third fixture blocks 132 and second fixture blocks 131 are arranged along the axial direction of the second guide block 13 in sequence, and the two first fixture blocks 121 and the two second fixture blocks 131 are uniformly arranged along the circumferential direction of the bayonet lock 1; the first fixture block 121 and the second fixture block 131 are both in a right-angled triangle structure, and the high ends of the inclined surfaces of the triangle structures of the two fixture blocks face the first guide block 12 and the second guide block 13 respectively; the third locking block 132 extends obliquely from the second guide block 13 and is of a cylindrical structure, the end surface of the extending end of the third locking block 132 is arranged in a round angle manner, a straight end surface is arranged at the high end of the inclined plane of the first locking block 121 and the second locking block 131, and the plane where the end surface of the extending end of the third locking block 132 is located is higher than the plane where the straight end surface is located.

The buckle body comprises a fixing plate 21, wherein two arc-shaped bosses 22 are symmetrically arranged at one end of the fixing plate 21, four ejector rods 31 which horizontally extend out are uniformly arranged in the middle of the other end of the fixing plate along the circumferential direction, a through hole 23 is formed in the middle of the fixing plate 21, guide grooves 231 are formed in the hole wall of the through hole 23 and correspond to the positions of the first guide block 12 and the second guide block 13, one end of each guide groove 231 corresponding to the arc-shaped boss 22 is arranged in an inclined plane, and the distance between every two adjacent ejector rods 31 is the same as the groove width of each guide groove 231; the radius size of the arc-shaped boss 22 is matched with that of the pin cover 11, and the diameter size of the circular boss 14 is matched with that of the through hole 23.

The extending end of each ejector rod 31 is provided with a yielding inclined surface 313, the inner side walls of the four ejector rods 31 are provided with arc-shaped grooves, one end of each arc-shaped groove is provided with a first transition inclined surface 311, and the other end of each arc-shaped groove is provided with a second transition inclined surface 312.

The bayonet 1 is made of PE material through integral injection molding; the buckle body is also made of PE materials through integral injection molding.

The utility model discloses a use method as follows:

as shown in fig. 1 to 3, the ejector rod 31 is inserted into a mounting hole (not labeled) at a corresponding position on the fender, the fixing plate 21 is pressed, the end face of the corresponding end of the fixing plate 21 abuts against the end face of the mounting hole, at this time, the bayonet 1 is inserted into the through hole 23 of the fixing plate 21, and the circular boss 14, the first fixture block 121, the second fixture block 131 and the third fixture block 132 all penetrate through the through hole 23 and reach the arc-shaped groove positions of the four ejector rods 31; continuously pressing the pin cover 11 to make the first guide block 12 and the second guide block 13 respectively extend into the guide grooves 231 at the corresponding positions, the circular boss 22 moves to the first transition inclined plane position of the ejector rod 31, the outer side wall of the circular boss 14 abuts against the first transition inclined plane 311, the extending ends of the four ejector rods 31 are simultaneously jacked up to form a flaring shape, when the pin cover 11 abuts against the end surface of the corresponding end of the fixed plate 21, the bayonet 1 is installed in place, the circular boss 14 at the moment already advances the first transition inclined plane 311, the outer side wall of the bayonet 1 at the corresponding position between the circular boss 14 and the positioning block 15 at the lowest end abuts against the high end of the first transition inclined plane 311, the four ejector rods 31 are simultaneously jacked in place, the formed flaring shape reaches the maximum degree, at the moment, the outer side wall of the ejector rod 31 abuts against the end surface of the corresponding position of the mounting hole to form a clamping connection form, and simultaneously, the positioning block 15 at the uppermost end on the bayonet 1 abuts against the second transition inclined plane, the buckle body is fixed in the mounting hole.

Because the buckle position is towards locomotive or rear of a vehicle direction during the installation, and the shake of vehicle in the in-process of traveling is mainly in vertical direction, and the shake of vertical direction can not bring the drunkenness of horizontal direction, so be difficult for receiving the external force influence and take place the condition of popping out at bayonet lock 1's installation direction.

When detaching the piece, only need to use a section of rod-shaped instrument, support the insertion end of bayonet lock 1 and outwards push out, locating piece 15 at the top strides over second transition inclined plane 312, pin lid 11 leaves fixed plate 21, bayonet lock 1 drives circular boss 14 and moves back along first transition inclined plane 311 together, the mouth shape that four ejector pins 31 formed diminishes, until bayonet lock 1 lateral wall leaves first transition inclined plane 311, ejector pin 31 lateral wall no longer with the corresponding position butt of mounting hole position department, take out the buckle body from the mounting hole, at this moment, first fixture block 121 and second fixture block 131 respectively with the corresponding position butt of through-hole 23 lower terminal surface, bayonet lock 1 still is in the position department between four ejector pins 31, remain in the buckle body promptly, simple and compact structure, the dismouting is convenient, the range of application is wide.

If will separate bayonet lock 1 and buckle body, because bayonet lock 1 all is made by the PE material with the buckle body, under the condition that surpasss the atress intensity, make four ejector pins of breaking off with the fingers and thumb, the clearance grow between the ejector pin, first guide block 12 and second guide block 13 can produce the drunkenness on a large scale after the clearance grow, reuse instrument is ejecting at bayonet lock 1 position power, the straight terminal surface on first fixture block 121 and the second fixture block 131 no longer with the through-hole 23 under the terminal surface the corresponding position butt, can take out bayonet lock 1.

The utility model discloses a make by the PE material, at the dismouting in-process, spacing and joint position all have great atress and wearing and tearing, and the secondary assembly effect is not ideal very, so the utility model discloses suitable for disposable.

The utility model discloses do not describe the part unanimously with prior art, do not describe herein any more.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.

Claims

1. The utility model provides a fender buckle which characterized in that: the clamping pin comprises a clamping pin (1) and a clamping buckle body, wherein a pin cover (11) is arranged at one end of the clamping pin (1), a round boss (14) is arranged at the other end of the clamping pin (1), two first guide blocks (12) and two second guide blocks (13) are symmetrically arranged on the clamping pin (1), the two first guide blocks (12) and the two second guide blocks (13) are arranged at intervals, and three positioning blocks (15) are axially arranged between every two adjacent first guide blocks (12) and second guide blocks (13); on the bayonet lock (1), first fixture blocks (121) are arranged along the axial direction of the first guide block (12), third fixture blocks (132) and second fixture blocks (131) are sequentially arranged along the axial direction of the second guide block (13), and the two first fixture blocks (121) and the two second fixture blocks (131) are uniformly arranged along the circumferential direction of the bayonet lock (1);

the buckle body comprises a fixing plate (21), two arc-shaped bosses (22) are symmetrically arranged at one end of the fixing plate (21), four ejector rods (31) which horizontally extend out are uniformly arranged in the middle of the other end of the fixing plate along the circumferential direction, a through hole (23) is formed in the middle of the fixing plate (21), guide grooves (231) are formed in the hole wall of the through hole (23) and correspond to the positions of a first guide block (12) and a second guide block (13), and the distance between every two adjacent ejector rods (31) is the same as the groove width of each guide groove (231); the inner side walls of the four ejector rods (31) are provided with arc-shaped grooves, one ends of the arc-shaped grooves are provided with first transition inclined planes (311), and the other ends of the arc-shaped grooves are provided with second transition inclined planes (312).

2. A fender buckle according to claim 1, wherein: the first fixture block (121) and the second fixture block (131) are both in right-angled triangle structures, the high-position ends of the inclined planes of the triangle structures of the two fixture blocks face the first guide block (12) and the second guide block (13) respectively, the high-position ends of the inclined planes of the first fixture block (121) and the second fixture block (131) are both provided with a straight end face, and the plane where the end face of the extending end of the third fixture block (132) is located is higher than the plane where the straight end face is located; the third clamping block (132) obliquely extends out of the second guide block (13) and is of a cylindrical structure.

3. A fender buckle according to claim 1, wherein: the end surface of the extending end of the third clamping block (132) is arranged in a round angle mode.

4. A fender buckle according to claim 1, wherein: the radius size of the arc-shaped boss (22) is matched with that of the pin cover (11).

5. A fender buckle according to claim 1, wherein: the diameter size of the circular boss (14) is matched with that of the through hole (23).

6. A fender buckle according to claim 1, wherein: the extending end of the ejector rod (31) is provided with an abdicating inclined surface (313).

7. A fender buckle according to claim 1, wherein: in the guide groove (231), one end corresponding to the arc-shaped boss (22) is arranged as an inclined plane.

8. A fender buckle according to claim 1, wherein: the bayonet lock (1) is made of PE materials through integral injection molding; the buckle body is also made of PE materials through integral injection molding.