CN214617390U - Special-shaped ball head rivet special for automobile hinge support - Google Patents

Abstract

The utility model discloses a special-shaped ball head rivet special for an automobile hinge support, which belongs to the technical field of automobile processing production and comprises a rivet column, wherein a cylindrical groove is chiseled at the right end of the rivet column, a plurality of communicating grooves communicated with the cylindrical groove are chiseled at the outer end of the rivet column, a lock bar is rotationally connected in the communicating grooves through a rotary connecting mechanism, the outer end of the lock bar extends into the cylindrical groove, a folding groove is arranged at one end of the lock bar positioned in the cylindrical groove, an opening and closing ball matched with the lock bar is arranged in the cylindrical groove, a screw rod is fixedly connected at the left end of the opening and closing ball and penetrates through the rivet column and is in threaded connection with the rivet column, a hollow stud is fixedly connected at the left end of the rivet column, the special-shaped ball head rivet special for the automobile hinge support can enable a worker to position the hinge support only through a simple common tool, the use is flexible, and the worker can conveniently adjust the hinge support in the positioning process, in addition, after the positioning is finished, the positioning device can be recovered and recycled.

Description

Special-shaped ball head rivet special for automobile hinge support

Technical Field

The utility model relates to an automotive machining produces technical field, and more specifically says, relates to special-shaped bulb rivet of car hinge support.

Background

The hinge is also called a hinge or a door hinge, and is a mechanical device used for connecting two solids and allowing relative rotation between the two solids. The part of the hinge fixedly connected with the vehicle door or the vehicle body is called a hinge bracket, and the connection between the hinge bracket and the vehicle door or the vehicle body is mainly divided into bolt connection and welding connection.

When the hinge support is connected with the mounting plate of the vehicle door or the vehicle body in a welding mode, the hinge support is usually positioned by using corresponding positioning rivets (namely, positioning holes are formed in the hinge support and the mounting plate, and the positioning rivets are driven into the corresponding positioning holes and are reversely positioned), so that the hinge support is prevented from deviating in the welding process.

However, the existing set rivet has the following problems in the practical use process: 1. the conventional rivet can be assembled only by using a special rivet gun, and when the rivet gun is lacked, the rivet cannot be used for positioning the hinges; 2. the existing positioning rivet is in a fastening state after being assembled, and when a worker needs to adjust the position of the hinge support, the assembled positioning rivet can only be disassembled, so that great inconvenience is caused; 3. the existing positioning rivet is usually a disposable consumable product, is difficult to recycle and has large waste.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a special-shaped bulb rivet of car hinge support, it can make the staff just can fix a position hinge support through simple instrument commonly used, uses in a flexible way to, in the positioning process, can make things convenient for the staff to adjust hinge support, in addition, after the location is accomplished, can also retrieve and recycle.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The special-shaped ball head rivet special for the automobile hinge support comprises a rivet column, wherein a cylindrical groove is chiseled at the right end of the rivet column, a plurality of communicating grooves communicated with the cylindrical groove are chiseled at the outer end of the rivet column, a lock strip is rotatably connected in the communicating groove through a rotary connecting mechanism, the outer end of the lock strip extends into the cylindrical groove, a folding groove is formed at one end of the lock strip, which is positioned in the cylindrical groove, an opening and closing ball matched with the lock strip is arranged in the cylindrical groove, the left end of the opening and closing ball is fixedly connected with a screw rod, the screw rod penetrates through the rivet column and is in threaded connection with the rivet column, a hollow stud is fixedly connected at the left end of the rivet column, the left end of the screw rod penetrates through the hollow stud and extends to the left side of the hollow stud, a twisting block is connected at the left end of the hollow stud, a limiting ring is fixedly connected at the outer end of the rivet column, the limiting ring is positioned at the left side of the lock strip, a hemispherical head is sleeved on the hollow stud, and is connected with the rivet column through an elastic connecting mechanism, hollow double-screw bolt outer end threaded connection has the fastening hemisphere head, and the fastening hemisphere head is located and presses attaches the hemisphere head left side, and this scheme can make the staff just can fix a position hinge support through simple instrument commonly used, uses in a flexible way to, in the positioning process, can make things convenient for the staff to adjust hinge support, in addition, after the location is accomplished, can also retrieve and recycle.

Further, the broken line groove is including the triangular groove and the inclined plane groove of mutual intercommunication, and the triangular groove is located inclined plane groove right side, the ball that opens and shuts is located the triangular groove, and the triangular groove mutually supports with the ball that opens and shuts, can control the locking bar and open and shut, and the inclined plane groove can effectively avoid the screw to cause the hindrance to the rotation of locking bar.

Furthermore, the rotary connecting mechanism comprises a rotating shaft, a through hole matched with the rotating shaft is arranged at the outer end of the locking bar in a chiseled mode, the rotating shaft penetrates through the through hole, a pair of wedge blocks which are symmetrically distributed are arranged on the outer side of the locking strip, one end of each wedge block, which is close to the rotating shaft, is fixedly connected with a conical column, conical grooves which are matched with the conical columns are respectively chiseled at the two end parts of the rotating shaft, the conical column extends into the conical groove at the corresponding position, the outer end of the riveting column is provided with a wedge-shaped groove matched with the wedge-shaped block, the wedge-shaped block extends into the wedge-shaped groove at the corresponding position and is bonded with the rivet column through a metal bonding agent, each part of the rotary connecting mechanism is formed by matching a clamping structure, the assembly is convenient, and the wedge block is bonded with the riveting column through the metal binder, so that the connection strength is high, and the adverse effect on the structural strength of the riveting column and the wedge block is not easily caused.

Furthermore, the left end of the screw is fixedly connected with a square rod, the right end of the screwing block is provided with a square groove matched with the square rod in a chiseling mode, and the square rod extends into the square groove and is bonded with the screwing block through a metal bonding agent.

Furthermore, the elastic connection mechanism comprises a connection pipe fixedly connected to the right end of the pressing attachment semi-spherical head, a fixed support ring is fixedly connected to the outer end of the connection pipe, a movable support ring positioned on the left side of the fixed support ring is sleeved on the connection pipe, a compression spring positioned between the movable support ring and the fixed support ring is sleeved on the connection pipe, an annular groove is formed in the left end of the riveting column, the connection pipe is sleeved on the annular groove of the riveting column, a pair of semi-cylindrical covers matched with the connection pipe are arranged on the outer side of the riveting column, and the two semi-cylindrical covers are sleeved on the outer side of the connection pipe and are bonded with the riveting column through a metal binder.

Furthermore, the riveting column, the hollow stud and the limiting ring are integrally formed, the opening and closing ball and the screw rod are integrally formed, the pressing attachment hemispherical head and the connecting pipe are integrally formed, and all the integrally formed parts are formed by milling the same workpiece.

Furthermore, the end, far away from each other, of the pressing attachment hemispherical head and the fastening hemispherical head is of a spherical structure, the end, close to each other, of the pressing attachment hemispherical head and the fastening hemispherical head is of a planar structure, the spherical structure enables the pressing attachment hemispherical head and the fastening hemispherical head to have higher strength, the spherical structure at the right end of the pressing attachment hemispherical head can be matched with the positioning hole of the hinge support better, the pressing attachment hemispherical head can be conveniently pulled by a worker, and the planar structure enables the fastening hemispherical head to be capable of pressing the pressing attachment hemispherical head better.

Furthermore, six plane grooves are formed in the outer ends of the pressing attachment hemispherical head and the fastening hemispherical head and are distributed in a regular hexagon, so that the pressing attachment hemispherical head and the fastening hemispherical head can be conveniently screwed by a worker through a wrench.

Furthermore, the specific quantity of intercommunication groove and locking strip is four, and four locking strips equidistant distribution are on the riveting post.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can make the staff just can fix a position hinge support through simple instrument commonly used, uses in a flexible way to, in the positioning process, can make things convenient for the staff to adjust hinge support, in addition, after the location is accomplished, can also retrieve and recycle.

(2) The broken line groove includes the triangular groove and the inclined plane groove that communicate each other, and the triangular groove is located inclined plane groove right side, and the ball that opens and shuts is located the triangular groove, and the triangular groove mutually supports with the ball that opens and shuts, can control the locking bar and open and shut, and the inclined plane groove can effectively avoid the screw to cause the hindrance to the rotation of locking bar.

(3) The one end that presses and attaches the hemisphere head and fasten the hemisphere head and keep away from each other is spherical structure, and the one end that presses and attaches the hemisphere head and fasten the hemisphere head and be close to each other is planar structure, and spherical structure can make and press and attach the hemisphere head and fasten the hemisphere head and have higher intensity to press and attach the spherical structure of hemisphere head right-hand member can cooperate with the locating hole of hinge support better, also can make things convenient for the staff to pull and press and attach the hemisphere head, and planar structure makes the fastening hemisphere head can press and attach the hemisphere head better.

(4) Six plane grooves are formed in the outer ends of the pressing attachment hemispherical head and the fastening hemispherical head and are distributed in a regular hexagon, so that the pressing attachment hemispherical head and the fastening hemispherical head can be conveniently screwed by a worker through a wrench.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic structural view of the present invention in a disassembled state;

fig. 5 is a schematic view of the internal structure of the rivet column of the present invention;

fig. 6 is a schematic diagram of a right side structure of the rivet column of the present invention;

fig. 7 is a schematic structural view of the semi-cylindrical cover of the present invention;

FIG. 8 is a schematic cross-sectional view of the pressing hemispherical head and the fastening hemispherical head of the present invention;

FIG. 9 is a schematic view of the internal structure of the present invention during operation;

the reference numbers in the figures illustrate:

the riveting device comprises a riveting column 1, a cylindrical groove 2, a communication groove 3, a locking strip 4, an opening and closing ball 5, a folding groove 6, a triangular groove 601, a slope groove 602, a rotary connecting mechanism 7, a rotating shaft 701, a through hole 702, a wedge block 703, a conical column 704, a conical groove 705, a wedge groove 706, a screw rod 8, a square rod 801, a hollow stud 9, a screwing block 10, a limiting ring 11, a pressing and attaching hemispherical head 12, an elastic connecting mechanism 13, a connecting pipe 1301, a fixed supporting ring 1302, a movable supporting ring 1303, a compression spring 1304, an annular groove 1305, a semi-cylindrical cover 1306 and a fastening hemispherical head 14.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.

Example 1:

referring to fig. 1, a special-shaped ball head rivet for an automobile hinge bracket comprises a rivet column 1, and referring to fig. 5-6, a cylindrical groove 2 is chiseled at the right end of the rivet column 1, a plurality of communicating grooves 3 communicated with the cylindrical groove 2 are chiseled at the outer end of the rivet column 1, referring to fig. 1-2, a locking strip 4 is rotatably connected in the communicating groove 3 through a rotary connecting mechanism 7, the outer end of the locking strip 4 extends into the cylindrical groove 2, a folding groove 6 is arranged at one end of the locking strip 4 positioned in the cylindrical groove 2, an opening and closing ball 5 mutually matched with the locking strip 4 is arranged in the cylindrical groove 2, a screw 8 is fixedly connected at the left end of the opening and closing ball 5, the screw 8 penetrates through the rivet column 1 and is in threaded connection with the rivet column 1, a hollow stud 9 is fixedly connected at the left end of the rivet column 1, the left end of the screw 8 penetrates through the hollow stud 9 and extends to the left side of the hollow stud 9, a twisting block 10 is connected at the left end of the hollow stud 9, a limit ring 11 is fixedly connected at the outer end of the rivet column 1, the limiting ring 11 is positioned on the left side of the locking bar 4, the hollow stud 9 is sleeved with the pressing attachment hemispherical head 12, the pressing attachment hemispherical head 12 is connected with the riveting column 1 through the elastic connecting mechanism 13, the outer end of the hollow stud 9 is in threaded connection with the fastening hemispherical head 14, and the fastening hemispherical head 14 is positioned on the left side of the pressing attachment hemispherical head 12.

Referring to fig. 2 and 9, the polygonal groove 6 includes a triangular groove 601 and an inclined groove 602 which are communicated with each other, the triangular groove 601 is located on the right side of the inclined groove 602, the opening and closing ball 5 is located in the triangular groove 601, the triangular groove 601 is matched with the opening and closing ball 5, the opening and closing of the locking bar 4 can be controlled, and the inclined groove 602 can effectively prevent the screw 8 from blocking the rotation of the locking bar 4.

Referring to fig. 2-3, the rotary connection mechanism 7 includes a rotating shaft 701, a through hole 702 matching with the rotating shaft 701 is drilled at the outer end of the locking strip 4, the rotating shaft 701 is disposed through the through hole 702, a pair of symmetrically distributed wedge blocks 703 is disposed at the outer side of the locking strip 4, one end of the wedge block 703 close to the rotating shaft 701 is fixedly connected with a tapered post 704, tapered slots 705 matching with the tapered post 704 are drilled at both ends of the rotating shaft 701, the tapered post 704 extends into the tapered slot 705 at the corresponding position, a wedge slot 706 matching with the wedge block 703 is drilled at the outer end of the rivet post 1, the wedge block 703 extends into the wedge slot 706 at the corresponding position and is bonded with the rivet post 1 through a metal adhesive, each component of the rotary connection mechanism 7 is formed by matching with a clamping structure, so as to facilitate assembly, and the wedge block 703 is bonded with the rivet post 1 through a metal adhesive, not only the connection strength is high, and the structural strength of the riveting column 1 and the wedge block 703 is not easily affected.

Referring to fig. 2 and 4, a square rod 801 is fixedly connected to the left end of the screw 8, a square groove matched with the square rod 801 is formed in the right end of the screwing block 10, and the square rod 801 extends into the square groove and is bonded to the screwing block 10 through a metal adhesive.

Referring to fig. 2 and 4, the elastic connection mechanism 13 includes a connection tube 1301 fixedly connected to the right end of the press-attaching hemispherical head 12, a fixed support ring 1302 is fixedly connected to the outer end of the connection tube 1301, a movable support ring 1303 located on the left side of the fixed support ring 1302 is sleeved on the connection tube 1301, a compression spring 1304 located between the movable support ring 1303 and the fixed support ring 1302 is sleeved on the connection tube 1301, an annular groove 1305 is cut on the left end of the rivet column 1, the connection tube 1301 is sleeved on the annular groove 1305 of the rivet column 1, a pair of semi-cylindrical covers 1306 matched with the rivet column 1 are arranged on the outer side of the rivet column 1, the two semi-cylindrical covers 1306 are sleeved on the outer side of the connection tube 1301 and are bonded with the rivet column 1 through a metal adhesive, the semi-cylindrical covers 1306 have a specific shape as shown in fig. 7, and the two semi-cylindrical covers 1306 and the rivet column 1 are matched with each other to form an annular cavity, so that the connection tube 1301 can rotate and move left and right in the annular cavity.

Referring to fig. 4, the rivet column 1, the hollow stud 9 and the limiting ring 11 are integrally formed, the opening and closing ball 5 and the screw 8 are integrally formed, the pressing hemispherical head 12 and the connecting pipe 1301 are integrally formed, and all the integrally formed parts are formed by milling the same workpiece. Referring to fig. 1, the end of the pressing attachment hemisphere 12 far away from the fastening hemisphere 14 is a spherical structure, the end of the pressing attachment hemisphere 12 close to the fastening hemisphere 14 is a planar structure, referring to fig. 9, the spherical structure can make the pressing attachment hemisphere 12 and the fastening hemisphere 14 have high strength, the spherical structure at the right end of the pressing attachment hemisphere 12 can better match with the positioning hole of the hinge bracket, and can also be used for facilitating a worker to pull the pressing attachment hemisphere 12, the planar structure can make the fastening hemisphere 14 better press the pressing attachment hemisphere 12, referring to fig. 8, the outer ends of the pressing attachment hemisphere 12 and the fastening hemisphere 14 are respectively provided with six planar grooves, and the six planar grooves are distributed in a regular hexagon, so that the pressing attachment hemisphere 12 and the fastening hemisphere 14 can be conveniently screwed by the worker through a wrench. Referring to fig. 3, the number of the communication grooves 3 and the number of the locking strips 4 are four, and the four locking strips 4 are distributed on the rivet column 1 at equal intervals.

The processing technology of the special-shaped ball head rivet special for the automobile hinge support comprises the following steps:

s1: forming a part: machining and forming each part through milling equipment;

s2: the opening and closing ball 5 is installed: connecting the screw rod 8 with the riveting column 1 through threads, and enabling the opening and closing ball 5 to enter the column-shaped groove 2;

s3: and (4) installing a locking strip: firstly, a rotating shaft 701 penetrates through a through hole 702, then a wedge block 703 is clamped to two end parts of the rotating shaft 701 through the mutual matching of a conical column 704 and a conical groove 705, then the wedge block 703 is clamped into a wedge groove 706 on a riveting column 1, and finally the wedge block 703 is adhered to the riveting column 1 by using a metal adhesive;

s4: and (3) installing a pressing semi-spherical head 12: firstly, sequentially sleeving a movable support ring 1303, a compression spring 1304 and a fixed support ring 1302 on the outer side of a connecting pipe 1301, adhering the fixed support ring 1302 to the connecting pipe 1301 by using a metal adhesive, sleeving the connecting pipe 1301 at the right end of a press-attached hemispherical head 12 in an annular groove 1305 of a riveting column 1, sleeving two semi-cylindrical covers 1306 on the outer sides of the fixed support ring 1302, the movable support ring 1303 and the compression spring 1304, then adhering the two semi-cylindrical covers 1306 by using the metal adhesive, and adhering the two semi-cylindrical covers 1306 with the riveting column 1;

s5: the fastening hemisphere head 14 and the screwing block 10 are installed: the fastening hemispherical head 14 is first screwed onto the hollow stud 9, and then the square rod 801 on the screw 8 is bonded with the square groove on the screw block 10 by a metal adhesive.

Referring to fig. 1-9, when a worker needs to weld the hinge bracket and the mounting plate on the vehicle door or the vehicle body, firstly, the rivet 1 of the rivet sequentially penetrates through the hinge bracket and the positioning hole on the mounting plate (the positioning hole on the hinge bracket is larger than the positioning hole on the mounting plate), the limiting ring 11 is in contact with the mounting plate, then the screw 8 is screwed rightwards through the screwing block 10 to drive the opening and closing ball 5 to move rightwards, in the process that the opening and closing ball 5 moves rightwards, the opening and closing ball 5 is matched with the triangular groove 601 to open each locking strip 4 and tightly contact with the positioning hole on the mounting plate, so that the rivet 1 is fixed on the mounting plate, and at the moment, the pressing and attaching head 12 moves rightwards under the action of the compression spring 1304, so that the hinge bracket is pressed and attached on the mounting plate; subsequently, the worker can position other positions of the hinge support in the same way, in the process, when the worker needs to adjust the position of the hinge support, the worker only needs to pull the pressing and attaching hemispherical head 12 to the left, the pressing and attaching hemispherical head 12 is loosened after adjustment, the pressing and attaching hemispherical head 12 presses and attaches the hinges under the action of the compression spring 1304, when the worker completes the initial installation of all rivets, and the position of the hinge support is adjusted, the worker can screw the fastening hemispherical head 14 to the right and press the fastening hemispherical head 14 to press and attach the attaching hemispherical head 12, so that the hinge support is fastened, the hinge support is not easy to loosen, and then the worker can weld the hinge support; after the hinge support welding is accomplished, the staff can twist screw rod 8 left through twisting piece 10, drives ball 5 that opens and shuts and move left, and ball 5 and triangular groove 601 of opening and shutting mutually support, can make each locking strip 4 draw in, close up to make riveting 1 no longer fix on the installation plate, make the staff can retrieve the rivet, in order to treat next use. The scheme can ensure that a worker can position the hinge support only by a simple common tool (namely, a wrench), the use is flexible, in addition, the worker can conveniently adjust the hinge support in the positioning process, and in addition, the hinge support can be recovered and recycled after the positioning is finished.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (9)

1. Special special-shaped ball head rivet of car hinge support, including riveting post (1), its characterized in that: the riveting column is characterized in that a cylindrical groove (2) is formed in the right end of the riveting column (1), a plurality of communicating grooves (3) communicated with the cylindrical groove (2) are formed in the outer end of the riveting column (1), a locking bar (4) is rotatably connected in each communicating groove (3) through a rotary connecting mechanism (7), the outer end of each locking bar (4) extends into the cylindrical groove (2), a folding line groove (6) is formed in one end, located in the cylindrical groove (2), of each locking bar (4), an opening and closing ball (5) matched with each locking bar (4) is arranged in each cylindrical groove (2), a screw rod (8) is fixedly connected to the left end of each opening and closing ball (5), the screw rod (8) penetrates through the riveting column (1) and is in threaded connection with the riveting column (1), a hollow stud (9) is fixedly connected to the left end of the riveting column (1), and the left end of the screw rod (8) penetrates through the hollow stud (9) and extends to the left side of the hollow stud (9), the left end of the hollow stud (9) is connected with a twisting block (10), the outer end of the riveting column (1) is fixedly connected with a limiting ring (11), the limiting ring (11) is located on the left side of the locking bar (4), an attaching hemispherical head (12) is sleeved on the hollow stud (9), the attaching hemispherical head (12) is connected with the riveting column (1) through an elastic connecting mechanism (13), the outer end of the hollow stud (9) is in threaded connection with a fastening hemispherical head (14), and the fastening hemispherical head (14) is located on the left side of the attaching hemispherical head (12).

2. The special-shaped ball head rivet special for the automobile hinge bracket according to claim 1, characterized in that: the folding line groove (6) comprises a triangular groove (601) and an inclined plane groove (602) which are communicated with each other, the triangular groove (601) is located on the right side of the inclined plane groove (602), and the opening and closing ball (5) is located in the triangular groove (601).

3. The special-shaped ball head rivet special for the automobile hinge bracket according to claim 1, characterized in that: rotary connection mechanism (7) are including pivot (701), the chisel of locking strip (4) outer end has with pivot (701) assorted through-hole (702), and pivot (701) run through-hole (702) and set up, locking strip (4) outside is equipped with a pair of wedge (703) that are the symmetric distribution, one end fixedly connected with toper post (704) that wedge (703) are close to pivot (701), pivot (701) both ends all open the chisel have with toper post (704) assorted bell mouth (705), and toper post (704) extend to in its bell mouth (705) that corresponds the position, rivet post (1) outer end division chisel have with wedge (703) assorted wedge groove (706), and wedge (703) extend to in its wedge groove (706) that corresponds the position and bond mutually with rivet post (1) through metal bond.

4. The special-shaped ball head rivet special for the automobile hinge bracket according to claim 1, characterized in that: the left end of the screw rod (8) is fixedly connected with a square rod (801), a square groove matched with the square rod (801) is formed in the right end of the screwing block (10) in a chiseled mode, and the square rod (801) extends into the square groove and is bonded with the screwing block (10) through a metal adhesive.

5. The special-shaped ball head rivet special for the automobile hinge bracket according to claim 1, characterized in that: the elastic connecting mechanism (13) comprises a connecting pipe (1301) fixedly connected to the right end of the pressing attachment hemispherical head (12), a fixed support ring (1302) is fixedly connected to the outer end of the connecting pipe (1301), a movable support ring (1303) located on the left side of the fixed support ring (1302) is sleeved on the connecting pipe (1301), a compression spring (1304) located between the movable support ring (1303) and the fixed support ring (1302) is sleeved on the connecting pipe (1301), an annular groove (1305) is formed in the left end of the riveting column (1), the connecting pipe (1301) is sleeved on the annular groove (1305) of the riveting column (1), a pair of semi-cylindrical covers (1306) matched with the riveting column (1) are arranged on the outer side of the riveting column (1), and the two semi-cylindrical covers (1306) are sleeved on the outer side of the connecting pipe (1301) and are bonded with the riveting column (1) through metal bonding agents.

6. The special-shaped ball head rivet special for the automobile hinge bracket according to claim 5, characterized in that: the riveting column (1), the hollow stud (9) and the limiting ring (11) are integrally formed, the opening and closing ball (5) and the screw rod (8) are integrally formed, and the pressing attachment hemispherical head (12) and the connecting pipe (1301) are integrally formed.

7. The special-shaped ball head rivet special for the automobile hinge bracket according to claim 1, characterized in that: the pressing and attaching semi-sphere head (12) and the fastening semi-sphere head (14) are in a spherical structure at the ends far away from each other, and the pressing and attaching semi-sphere head (12) and the fastening semi-sphere head (14) are in a plane structure at the ends close to each other.

8. The special-shaped ball head rivet special for the automobile hinge bracket according to claim 7, characterized in that: six plane grooves are formed in the outer ends of the pressing attachment hemispherical head (12) and the fastening hemispherical head (14), and the six plane grooves are distributed in a regular hexagon shape.

9. The special-shaped ball head rivet special for the automobile hinge bracket according to claim 1, characterized in that: the specific number of the communicating grooves (3) and the locking strips (4) is four, and the four locking strips (4) are distributed on the riveting column (1) at equal intervals.

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