CN213628425U - High-strength automobile fastener - Google Patents
High-strength automobile fastener Download PDFInfo
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- CN213628425U CN213628425U CN202021898259.XU CN202021898259U CN213628425U CN 213628425 U CN213628425 U CN 213628425U CN 202021898259 U CN202021898259 U CN 202021898259U CN 213628425 U CN213628425 U CN 213628425U
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- fastening bolt
- threaded rod
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- moving block
- fastener
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Abstract
The utility model discloses a high-strength automobile fastener, in particular to the technical field of automobile fasteners, which comprises a fastening bolt, wherein a first cavity is arranged inside the fastening bolt, openings are arranged on both side walls of the fastening bolt, and a jacking mechanism is fixedly arranged inside the fastening bolt; the jacking mechanism comprises a threaded rod, external threads are processed on the outer side of the threaded rod, and a moving block is sleeved on the outer side of the threaded rod. The utility model discloses an align fastening bolt and the screw hole on the locomotive brake disc, rotate fastening bolt and make it fixed the locomotive brake disc, rotate the threaded rod, the movable block that receives the restriction of first cavity inner wall removes along the threaded rod, and the movable block drives the motion of arc connecting piece, and the arc connecting piece supports the fixture block, makes the fixture block extend the fastening bolt outside, and threaded hole inner wall contacts on until fixture block and the brake disc, fastening bolt firmly fixes the locomotive brake disc, and difficult appearance is not hard up, has prolonged fastening bolt's life.
Description
Technical Field
The embodiment of the utility model provides a relate to car fastener technical field, concretely relates to high strength car fastener.
Background
The subway is a rapid large-traffic-capacity urban rail transit mode using electric power traction developed gradually along the form of a ground railway system, and the lines of the subway are usually laid in underground tunnels, and some of the subway lines are laid outside urban centers and transferred from underground to ground or on viaducts. In addition to the underground railways described above, the urban rail transit lines can also be laid on viaducts and the ground. Therefore, the subway is exclusive to the right of way and has no level crossing, which is also the fundamental sign that the subway is distinguished from a light rail traffic system.
The prior art has the following defects: automobile fastener is in the use of subway locomotive brake disc, and natural factors such as air, warm and humid are corroding the fastener constantly, and the fastener can appear wearing and tearing, rusty condition, leads to the fastener to become flexible easily, and the normal use of subway receives the influence, needs timely change the fastener, has seriously reduced the life of fastener.
Accordingly, there is a need to create a high strength automotive fastener.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a high-strength automobile fastener, through aligning the fastening bolt with the threaded hole on the locomotive brake disc, then rotating the fastening bolt to fix the locomotive brake disc, then rotating the threaded rod, then the movable block limited by the first cavity inner wall moves along the threaded rod, the movable block drives the arc-shaped connecting piece to move, the arc-shaped connecting piece supports the fixture block, the fixture block extends out of the fastening bolt until the fixture block contacts with the threaded hole inner wall on the brake disc, the fastening bolt firmly fixes the locomotive brake disc, the looseness is not easy to occur, the service life of the fastening bolt is prolonged, so as to solve the problems that when the automobile fastener is used in the subway brake disc in the prior art, the fastener is corroded at any time by natural factors such as air, temperature and humidity, the fastener can generate the conditions of abrasion and rusting, the fastener is easy to loosen, the fastener needs to be replaced in time, and the service life of the fastener is seriously shortened.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a high-strength automobile fastener comprises a fastening bolt, wherein a first cavity is formed in the fastening bolt, openings are formed in two side walls of the fastening bolt, the openings are communicated with the first cavity, and a jacking mechanism is fixedly arranged in the fastening bolt;
the jacking mechanism comprises a threaded rod, the threaded rod is arranged inside the fastening bolt and is movably connected with the fastening bolt through a bearing, external threads are machined on the outer side of the threaded rod, a moving block is sleeved on the outer side of the threaded rod and is arranged inside the first cavity, the moving block is in threaded connection with the threaded rod, the outer wall of the moving block is in contact with the inner wall of the first cavity, a clamping block is arranged inside the opening and is movably connected with the opening through a rotating shaft, an arc-shaped connecting piece is arranged between the clamping block and the moving block, and two ends of the arc-shaped connecting piece are respectively hinged to the moving.
Further, a plurality of reinforcing ribs are fixedly arranged inside the first cavity, the reinforcing ribs are arranged at the bottoms of the two clamping blocks, and the reinforcing ribs are arranged on the outer side of the threaded rod.
Furthermore, a circular groove is formed in the bottom of the fastening bolt, and the threaded rod is arranged in the circular groove.
Furthermore, threads are machined on the outer side of the fastening bolt, and the threads on the outer side of the fastening bolt are located on the top of the first cavity.
Further, one side of the fixture block passes through the opening and extends to the inside of the first cavity.
Further, the radius of the top end of the fastening bolt is smaller than that of the bottom end.
Furthermore, the moving block, the clamping block and the arc-shaped connecting piece are symmetrical about a vertical center line of the fastening bolt.
The embodiment of the utility model provides a have following advantage:
through aligning fastening bolt and the screw hole on the locomotive brake disc, then rotate fastening bolt and make it fixed the locomotive brake disc, rotate the threaded rod after that, then the movable block that receives the restriction of first cavity inner wall moves along the threaded rod, the movable block drives the motion of arc connecting piece, the arc connecting piece supports the fixture block, makes the fixture block extend the fastening bolt outside, until the fixture block contacts with the screw hole inner wall on the brake disc, compare with prior art, fastening bolt firmly fixes the locomotive brake disc, difficult appearance is not hard up, fastening bolt's life has been prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a perspective view of the overall structure provided by the present invention;
fig. 2 is a cross-sectional view of the overall structure provided by the present invention;
FIG. 3 is a schematic cross-sectional view of the integral junction provided by the present invention;
FIG. 4 is an enlarged view of the part A structure of FIG. 2 according to the present invention;
fig. 5 is a bottom view of the overall structure provided by the present invention;
in the figure: the device comprises a fastening bolt 1, a first cavity 2, an opening 3, a threaded rod 4, a moving block 5, a clamping block 6, an arc-shaped connecting piece 7, a reinforcing rib 8 and a circular groove 9.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached drawings 1-5 in the specification, the high-strength automobile fastener comprises a fastening bolt 1, wherein a first cavity 2 is formed in the fastening bolt 1, openings 3 are formed in two side walls of the fastening bolt 1, the openings 3 are communicated with the first cavity 2, and a jacking mechanism is fixedly arranged in the fastening bolt 1;
the jacking mechanism comprises a threaded rod 4, the threaded rod 4 is arranged inside a fastening bolt 1 and is movably connected with the fastening bolt 1 through a bearing, external threads are machined on the outer side of the threaded rod 4, a moving block 5 is sleeved on the outer side of the threaded rod 4, the moving block 5 is arranged inside a first cavity 2, the moving block 5 is in threaded connection with the threaded rod 4, the outer wall of the moving block 5 is in contact with the inner wall of the first cavity 2, a clamping block 6 is arranged inside an opening 3, the clamping block 6 is movably connected with the opening 3 through a rotating shaft, an arc-shaped connecting piece 7 is arranged between the clamping block 6 and the moving block 5, and two ends of the arc-shaped connecting piece 7 are respectively hinged with the.
Further, 2 inside fixed a plurality of strengthening ribs 8 that are equipped with of first cavity, it is a plurality of the strengthening rib 8 is all established in 6 bottoms of two fixture blocks, strengthening rib 8 is established in the 4 outsides of threaded rod, can follow 2 insides of first cavity through strengthening rib 8 and consolidate fastening bolt 1, reduces fastening bolt 1's deformation rate, extension fastening bolt's life.
Further, the bottom of the fastening bolt 1 is provided with a circular groove 9, the threaded rod 4 is arranged in the circular groove 9, and a rotating movable space can be provided for the threaded rod 4 through the circular groove 9.
Furthermore, threads are machined on the outer side of the fastening bolt 1, and the threads on the outer side of the fastening bolt 1 are located at the top of the first cavity 2.
Further, one side of the latch 6 passes through the opening 3 and extends into the first cavity 2.
Furthermore, the radius of the top end of the fastening bolt 1 is smaller than that of the bottom, the radius of the top of the fastening bolt 1 is reduced, the contact area between the top of the fastening bolt 1 and a brake disc of the locomotive can be reduced, and the fastening bolt 1 is convenient to tighten.
Further, the moving block 5, the fixture block 6 and the arc-shaped connecting piece 7 are all symmetrical about the vertical center line of the fastening bolt 1.
The implementation scenario is specifically as follows: when the utility model is put into practical use, a user firstly aligns the fastening bolt 1 with a threaded hole on a locomotive brake disc, then rotates the fastening bolt 1, the fastening bolt 1 slowly enters the locomotive brake disc, when the fastening bolt is completely screwed, the threaded rod 4 is rotated at the moment, then the movable block 5 limited by the first cavity 2 moves downwards along the direction of the threaded rod 4, then the threaded rod 4 applies pressure to the fixture block 6 through the arc-shaped connecting piece 7, one side wall of the fixture block 6 extends out of the fastening bolt 1 through the opening 3 until the fixture block 6 is contacted with the inner wall of a threaded hole of the locomotive brake disc, the rotation of the threaded rod 4 is stopped, then under the matching of the outer side thread of the fastening bolt 1 and the two fixture blocks 6, the fastening bolt 1 is firmly fixed on the locomotive brake disc, the looseness is not easy to occur, the service life of the fastening bolt 1 is prolonged, the embodiment particularly solves the problem that the automobile fastener, air, temperature and humidity etc. natural factor are corroding the fastener constantly, and the fastener can appear wearing and tearing, rusty condition, leads to the fastener to become flexible easily, and the normal use of subway receives the influence, needs timely change the fastener, has seriously reduced the life's of fastener problem.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. A high strength automotive fastener, includes fastening bolt (1), its characterized in that: a first cavity (2) is formed in the fastening bolt (1), openings (3) are formed in two side walls of the fastening bolt (1), the openings (3) are communicated with the first cavity (2), and a jacking mechanism is fixedly arranged in the fastening bolt (1);
the jacking mechanism comprises a threaded rod (4), the threaded rod (4) is arranged inside the fastening bolt (1) and is movably connected with the fastening bolt (1) through a bearing, external threads are machined on the outer side of the threaded rod (4), a moving block (5) is sleeved on the outer side of the threaded rod (4), the moving block (5) is arranged inside the first cavity (2), the moving block (5) is in threaded connection with the threaded rod (4), the outer wall of the moving block (5) is in contact with the inner wall of the first cavity (2), a clamping block (6) is arranged inside the opening (3), the clamping block (6) is movably connected with the opening (3) through a rotating shaft, an arc-shaped connecting piece (7) is arranged between the clamping block (6) and the moving block (5), and two ends of the arc-shaped connecting piece (7) are respectively hinged to the moving block (5).
2. A high strength automotive fastener as claimed in claim 1, wherein: first cavity (2) inside fixed be equipped with a plurality of strengthening ribs (8), it is a plurality of strengthening rib (8) are all established in two fixture blocks (6) bottoms, establish in the threaded rod (4) outside strengthening rib (8).
3. A high strength automotive fastener as claimed in claim 1, wherein: circular groove (9) have been seted up to fastening bolt (1) bottom, threaded rod (4) are established inside circular groove (9).
4. A high strength automotive fastener as claimed in claim 1, wherein: threads are processed on the outer side of the fastening bolt (1), and the threads on the outer side of the fastening bolt (1) are located on the top of the first cavity (2).
5. A high strength automotive fastener as claimed in claim 1, wherein: one side of the clamping block (6) penetrates through the opening (3) and extends into the first cavity (2).
6. A high strength automotive fastener as claimed in claim 1, wherein: the radius of the top end of the fastening bolt (1) is smaller than that of the bottom.
7. A high strength automotive fastener as claimed in claim 1, wherein: the moving block (5), the clamping block (6) and the arc-shaped connecting piece (7) are symmetrical about the vertical center line of the fastening bolt (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021898259.XU CN213628425U (en) | 2020-09-03 | 2020-09-03 | High-strength automobile fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021898259.XU CN213628425U (en) | 2020-09-03 | 2020-09-03 | High-strength automobile fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213628425U true CN213628425U (en) | 2021-07-06 |
Family
ID=76646521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021898259.XU Active CN213628425U (en) | 2020-09-03 | 2020-09-03 | High-strength automobile fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213628425U (en) |
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2020
- 2020-09-03 CN CN202021898259.XU patent/CN213628425U/en active Active
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