CN215487136U - Vibration-absorbing self-locking structure of inner hexagon bolt - Google Patents
Vibration-absorbing self-locking structure of inner hexagon bolt Download PDFInfo
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- CN215487136U CN215487136U CN202122237666.7U CN202122237666U CN215487136U CN 215487136 U CN215487136 U CN 215487136U CN 202122237666 U CN202122237666 U CN 202122237666U CN 215487136 U CN215487136 U CN 215487136U
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Abstract
The utility model relates to a vibration absorption and self-locking structure of an inner hexagonal bolt, wherein the upper part of the inner hexagonal bolt is a bolt head with an inner hexagonal groove, the lower part of the inner hexagonal bolt is a bolt column with threads, and the bolt column is matched with a nut through the threads; the first non-metal part is in a ring shape, the cross section of the first non-metal part is in an L shape which is a mirror image of each other, the middle part of the first non-metal part is a bolt column through hole, the diameter of the bolt column through hole is larger than that of the bolt column, the bottom of the first non-metal part is a bolt head gasket, and the outer ring of the bolt head gasket is an external thread; the second non-metal part is annular, the inner part is an internal thread, the outer part is an outer hexagonal, and the external thread is matched with the internal thread. The utility model has good impact and vibration absorption effect, good locking effect, wear resistance and elasticity.
Description
Technical Field
The utility model relates to the technical field of bolt fixing, in particular to a vibration absorption self-locking structure of an inner hexagonal bolt, which has the advantages of good impact vibration absorption effect, good locking effect, wear resistance and elasticity.
Background
The nonmetal insert self-locking nut is characterized in that a nylon ring with the inner diameter slightly smaller than the middle diameter of a thread is embedded in a nut body, the nylon ring is extruded after a matched bolt is contacted with the nylon ring, the thread of the nylon ring is extruded, and the bolt thread is tightly held by the nylon ring. Due to the interference fit, friction torque resisting the rotation of the screw thread is formed, so that the nut has the self-locking and anti-loosening functions. Meanwhile, the nylon material has good toughness, elasticity and wear resistance, and can effectively absorb external impact vibration, so that the non-metal insert self-locking nut has good anti-loosening performance.
Application number 201520735957.0, the locking element who uses among the grant notice No. CN205047621U canned type self-locking nut and this self-locking nut, canned type self-locking nut, including the nut base member, the nut base member includes that the annular groove and the nut on screw thread portion, screw thread portion top keep off the edge, is equipped with non-metallic locking ring in the annular groove, keep off the inboard on edge in the nut on the up end of locking ring and integrative be provided with the sealed cowling that extends along upper and lower direction with the axis.
Chinese patent document CN 202348927U's utility model discloses a tray nylon inserts self-locking nut, including the nut base member, the nut base member includes the screw thread part and is used for installing the annular groove of locking ring, the locking ring is the nylon ring, be equipped with the binding off on the nut base member that is equipped with nylon ring one end, the internal diameter of nylon ring is less than the internal screw thread in the nut base member, and is greater than the internal screw thread end footpath in the nut base member.
In the prior art, the self-locking nut adopting the non-metal insert adopts a groove matching mode, the method is easy to damage, is not beneficial to large-scale use, and needs the inner hexagon bolt vibration absorption and self-locking structure which has good impact vibration absorption effect, good locking effect, wear resistance and elasticity.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vibration absorption self-locking structure of an inner hexagon bolt, which has the advantages of good impact vibration absorption effect, good locking effect, wear resistance and elasticity.
A vibration-absorbing self-locking structure of a hexagon socket head cap screw comprises:
the upper part of the inner hexagon bolt is a bolt head with an inner hexagon groove, the lower part of the inner hexagon bolt is a bolt column with threads, and the bolt column is matched with the nut through the threads;
the bolt head comprises a first non-metal part, a second non-metal part and a bolt head, wherein the first non-metal part is in a ring shape, the cross sections of the first non-metal part and the second non-metal part are in L shapes of mirror images, the middle part of the first non-metal part is a bolt column through hole, the diameter of the bolt column through hole is larger than that of a bolt column, the bottom of the first non-metal part is a bolt head gasket, and the outer ring of the bolt head gasket is an external thread;
the second non-metal part is annular, the inner part of the second non-metal part is provided with an internal thread, the outer part of the second non-metal part is provided with an outer hexagonal, and the external thread is matched with the internal thread.
The bolt head is a cylinder.
The axes of the bolt head and the bolt column are overlapped.
The first and second non-metallic members are of the same height.
The height of the inner side of the first nonmetal piece is equal to the height of the bolt head.
The upper part of the hexagon socket head cap screw is provided with a screw head with a hexagon socket head groove, the lower part of the hexagon socket head cap screw is provided with a screw column with threads, and the screw column is matched with the nut through the threads; the first non-metal part is in a ring shape, the cross section of the first non-metal part is in an L shape which is a mirror image of each other, the middle part of the first non-metal part is a bolt column through hole, the diameter of the bolt column through hole is larger than that of the bolt column, the bottom of the first non-metal part is a bolt head gasket, and the outer ring of the bolt head gasket is an external thread; the second non-metal part is annular, the inner part is an internal thread, the outer part is an outer hexagonal, and the external thread is matched with the internal thread. The utility model has good impact and vibration absorption effect, good locking effect, wear resistance and elasticity.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of a first non-metallic member of the present invention;
FIG. 3 is a top view of a second non-metallic member in accordance with the present invention;
in the figure: 1. hexagon socket head cap screw, 2, bolt head, 3, bolt post, 4, nut, 5, first non-metal part, 6, second non-metal part, 7, bolt post through-hole, 8, bolt head gasket, 9, external screw thread, 10, internal screw thread, 11, outer hexagonal.
Detailed Description
The utility model is further described below with reference to the following figures and specific examples.
A vibration-absorbing self-locking structure of a hexagon socket head cap screw comprises: the bolt comprises an inner hexagon bolt 1, wherein the upper part of the inner hexagon bolt 1 is a bolt head 2 with an inner hexagon groove, the lower part of the inner hexagon bolt 1 is a bolt column 3 with threads, and the bolt column 3 is matched with a nut 4 through the threads; the bolt head structure comprises a first non-metal part 5, wherein the first non-metal part 5 is annular, the cross section of the first non-metal part 5 is in an L shape which is a mirror image of each other, the middle part of the first non-metal part is provided with a bolt column through hole 7, the diameter of the bolt column through hole 7 is larger than that of a bolt column 3, the bottom of the first non-metal part 5 is provided with a bolt head gasket 8, and the outer ring of the bolt head gasket 8 is provided with an external thread 9; and the second nonmetal part 6 is annular, the inner part of the second nonmetal part 6 is provided with an internal thread 10, the outer part of the second nonmetal part is provided with an outer hexagonal 11, and the external thread 9 is matched with the internal thread 10.
The bolt head 2 is a cylinder. The axes of the bolt head 2 and the bolt column 3 are superposed. The first and second non-metallic pieces 5, 6 are of the same height. The height of the inside of the first non-metallic piece 5 is equal to the height of the bolt head 2.
When the bolt is used, the bolt column 3 of the hexagon socket head cap screw 1 is sleeved into the first non-metal part 5 and then is placed into a part needing to be locked, the bolt head 2 of the hexagon socket head cap screw 1 abuts against the part needing to be locked, the bolt head 2 of the hexagon socket head cap screw 1 is placed into the first non-metal part 5, and then the bolt column 3 is tightened through threaded matching by the nut 4. After the first nonmetal member 5 is tightened by the nut 4 and the bolt column 3, the second nonmetal member 6 is tightened by the matching of the external thread 9 and the internal thread 10, thereby preventing vibration and looseness. The bolt column through hole 7 of the first nonmetal part 5 penetrates through the bolt column 3, the bolt head gasket 8 is arranged at the bottom of the bolt column 3 in a cushioning mode, the bolt head 2 is wrapped by the first nonmetal part 5 and is attached to the bolt column 3, and the outer hexagonal head 11 is used for conveniently disassembling the second nonmetal part 6. The first nonmetal part 5 and the second nonmetal part 6 are nonmetal parts, vibration resistance and vibration absorption capacity are high, and the looseness of the hexagon socket head cap screw 1 is prevented through locking and vibration absorption of the first nonmetal part 5 and the second nonmetal part 6.
The bolt head 2 is a cylinder, and the axis of the bolt head 2 is superposed with the axis of the bolt column 3, so that the processing is convenient. The first and second non-metal members 5 and 6 have the same height, and are wrapped to prevent external impact damage. The first non-metallic piece 5 has an inside height equal to the height of the bolt head 2, tightly packed, resistant to vibration and shock absorption, thus preventing loosening.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a hexagon socket head cap screw auto-lock structure that shakes, its characterized in that includes:
the bolt comprises an inner hexagonal bolt (1), wherein the upper part of the inner hexagonal bolt (1) is a bolt head (2) with an inner hexagonal groove, the lower part of the inner hexagonal bolt (1) is a bolt column (3) with threads, and the bolt column (3) is matched with a nut (4) through the threads;
the bolt head structure comprises a first non-metal part (5), wherein the first non-metal part (5) is annular, the cross section of the first non-metal part is in an L shape which is a mirror image of each other, the middle part of the first non-metal part is provided with a bolt column through hole (7), the diameter of the bolt column through hole (7) is larger than that of a bolt column (3), the bottom of the first non-metal part (5) is provided with a bolt head gasket (8), and the outer ring of the bolt head gasket (8) is provided with an external thread (9);
the second non-metal part (6), second non-metal part (6) are the annular, and inside is internal thread (10), and the outside is outer hexagonal (11), external screw thread (9) and internal thread (10) cooperation.
2. The hexagonal socket head bolt vibration absorption self-locking structure according to claim 1, wherein the bolt head (2) is a cylinder.
3. The hexagonal socket head bolt vibration absorption self-locking structure according to claim 1, wherein the axes of the bolt head (2) and the bolt column (3) coincide.
4. The hexagon socket head cap screw vibration absorption self-locking structure according to claim 1, wherein the first nonmetal member (5) and the second nonmetal member (6) have the same height.
5. The hexagon socket head cap screw vibration absorption self-locking structure according to claim 1, wherein the height of the inner side of the first non-metal member (5) is equal to the height of the screw head (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122237666.7U CN215487136U (en) | 2021-09-15 | 2021-09-15 | Vibration-absorbing self-locking structure of inner hexagon bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122237666.7U CN215487136U (en) | 2021-09-15 | 2021-09-15 | Vibration-absorbing self-locking structure of inner hexagon bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487136U true CN215487136U (en) | 2022-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122237666.7U Active CN215487136U (en) | 2021-09-15 | 2021-09-15 | Vibration-absorbing self-locking structure of inner hexagon bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215487136U (en) |
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2021
- 2021-09-15 CN CN202122237666.7U patent/CN215487136U/en active Active
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