CN221237037U - Bolt with bolt head protection structure - Google Patents
Bolt with bolt head protection structure Download PDFInfo
- Publication number
- CN221237037U CN221237037U CN202323377670.9U CN202323377670U CN221237037U CN 221237037 U CN221237037 U CN 221237037U CN 202323377670 U CN202323377670 U CN 202323377670U CN 221237037 U CN221237037 U CN 221237037U
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- China
- Prior art keywords
- bolt
- nut
- wall
- connecting sleeve
- protection structure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000013013 elastic material Substances 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 17
- 230000007774 longterm Effects 0.000 abstract description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model discloses a bolt with a bolt head protection structure, which comprises a bolt rod, wherein one end of the bolt rod is sleeved with a nut and is connected with the nut through screw thread fit, the bottom of the nut is provided with a mounting ring which is integrally formed with the nut, the outer surface of the mounting ring is sleeved with a connecting sleeve, the bottom of the connecting sleeve is fixedly connected with a protection sleeve, the other end of the bolt rod is fixedly connected with a bolt cap, the connecting sleeve is fixedly connected to the mounting ring through screw thread fit between a first external screw thread and a first internal screw thread, the protection sleeve at the bottom of the connecting sleeve wraps the screw thread at one end of the bolt rod, the screw thread of the bolt rod is prevented from being rusted due to long-term contact with air, the nut cannot fade from the bolt rod, the protection sleeve is made of elastic materials, the protection sleeve can be ensured to cover the bolt rods with different lengths, and the bolt head can be effectively protected through the arranged protection structure.
Description
Technical Field
The utility model relates to the technical field of bolts, in particular to a bolt with a bolt head protection structure.
Background
A bolt is a mechanical part, with a cylindrical threaded fastener of a nut. A fastener consisting of a head part and a screw rod (a cylinder with external threads) needs to be matched with a nut for fastening two parts with through holes.
However, when the existing bolt lacks a protective structure for the position of the bolt head, and the nut is connected to the external thread of the head of the bolt rod through threaded fit, the end is generally directly placed in the air without protection, the thread of the position of the head of the bolt rod can rust due to long-term contact with the air, the thread track which needs to pass when the nut is removed is covered by rust, so that the nut is difficult to remove, and the efficiency of removing the bolt is affected. For this purpose, a bolt with a bolt head protection structure is proposed.
Disclosure of utility model
The present utility model is directed to a bolt with a bolt head protection structure, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bolt with bolt head protective structure, includes the shank of bolt, shank of bolt one end cover is equipped with the nut and is connected with the nut through screw-thread fit, the nut bottom is provided with rather than integrated into one piece's collar, the surface cover of collar is equipped with the connecting sleeve, connecting sleeve's bottom fixedly connected with lag, the other end fixedly connected with bolt cap of shank of bolt, the cross groove has been seted up on the top of bolt cap, the surface cover of bolt cap is equipped with the protective cover.
As a further preferable mode of the technical scheme, the outer wall of the mounting ring is provided with a first external thread, and the inner wall of the connecting sleeve is provided with a first internal thread in threaded fit with the first external thread.
As a further preferable aspect of the present invention, the protective cover is made of an elastic material.
As a further preferred aspect of the present invention, the mounting ring and the outer diameter are smaller than the diameter of an inscribed circle of the outer contour of the nut.
As a further preferable mode of the technical scheme, the outer wall of the bolt cap is provided with second external threads, and the inner wall of the protective cover is provided with second internal threads matched with the second external threads in a threaded mode.
As a further preferable mode of the technical scheme, the outer wall of the protective cover and the outer wall of the connecting sleeve are provided with anti-slip seams.
As a further preferable mode of the technical scheme, a protection plate is fixedly connected to the bottom of the outer wall of the bolt cap.
The utility model provides a bolt with a bolt head protection structure, which has the following beneficial effects:
According to the utility model, the connecting sleeve is fixedly connected to the mounting ring through the threaded fit between the first external threads and the first internal threads, the protecting sleeve at the bottom of the connecting sleeve can wrap the threads at the head part of the bolt rod, the screw thread of the bolt rod is prevented from being rusted due to long-term contact with air, and further the nut cannot fade from the bolt rod, the protecting sleeve is made of elastic materials, so that the protecting sleeve can be ensured to cover the bolt rods with different lengths, and the bolt can effectively protect the bolt head through the arranged protecting structure.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of another view of the overall structure of the present utility model;
FIG. 3 is a schematic view of the structure of the bolt shank, the bolt cap and the nut of the present utility model;
FIG. 4 is a schematic view of a portion of the structure of the present utility model;
In the figure: 1. a bolt rod; 2. a bolt cap; 3. a cross groove; 4. a protection plate; 5. a second external thread; 6. a protective cover; 7. an anti-slip slit; 8. a nut; 9. a connecting sleeve; 10. a protective sleeve; 11. a first internal thread; 12. a mounting ring; 13. a first external thread; 14. and a second internal thread.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The utility model provides the technical scheme that: as shown in fig. 1 to 4, in this embodiment, a bolt with a bolt head protection structure includes a bolt rod 1, a nut 8 is sleeved at one end of the bolt rod 1 and is connected with the nut 8 through threaded fit, a mounting ring 12 integrally formed with the nut 8 is arranged at the bottom of the nut 8, a connecting sleeve 9 is sleeved on the outer surface of the mounting ring 12, a protection sleeve 10 is fixedly connected to the bottom of the connecting sleeve 9, a bolt cap 2 is fixedly connected to the other end of the bolt rod 1, a cross groove 3 is formed in the top end of the bolt cap 2, and a protection cover 6 is sleeved on the outer surface of the bolt cap 2.
Wherein, the outer wall of the mounting ring 12 is provided with a first external thread 13, and the inner wall of the connecting sleeve 9 is provided with a first internal thread 11 in threaded fit with the first external thread 13.
The connecting sleeve 9 is fixedly connected to the mounting ring 12 through the threaded fit between the first external threads 13 and the first internal threads 11, the protecting sleeve 10 at the bottom of the connecting sleeve 9 can wrap the threads at one end of the bolt rod 1, the threads of the bolt rod 1 are prevented from being rusted due to long-term contact with air, and the nut 8 cannot be removed from the bolt rod 1.
The protective sleeve 10 is made of elastic materials.
By the arrangement, the protection sleeve 10 can be ensured to sleeve bolt rods 1 with different lengths, and the adaptability is stronger.
Wherein the mounting ring 12 and the outer diameter are smaller than the diameter of the inscribed circle of the outer contour of the nut 8.
By this arrangement, it is ensured that the mounting ring 12 will not interfere when the tool holding nut 8 is used for dismounting or mounting.
Wherein, offer the second external screw thread 5 on the outer wall of bolt cap 2, offer the second internal screw thread 14 with second external screw thread 5 screw-thread fit on the inner wall of shield cap 6.
The protective cover 6 is fixedly connected to the bolt cap 2 through the threaded fit of the second external threads 5 and the second internal threads 14, so that the cross groove 3 at the top end of the bolt cap 2 is shielded, and the cross groove 3 is prevented from being blocked by dust.
Wherein, the outer wall of the protective cover 6 and the outer wall of the connecting sleeve 9 are provided with anti-slip seams 7.
By this arrangement, the friction force when the finger contacts the protective cover 6 and the connecting sleeve 9 can be increased.
Wherein, the outer wall bottom fixedly connected with guard plate 4 of bolt cap 2.
The top end of the gap between the bolt rod 1 and the mounting piece can be shielded by the arranged shielding plate 4, so that the gap blockage caused by dust entering is avoided.
The utility model provides a bolt with a bolt head protection structure, which has the following specific working principle:
The connecting sleeve 9 is fixedly connected to the mounting ring 12 through the threaded fit between the first external threads 13 and the first internal threads 11, the protecting sleeve 10 at the bottom of the connecting sleeve 9 can wrap the threads at the head position of the bolt rod 1, long-term rust of the threads of the bolt rod 1 due to contact with air is avoided, the nut 8 cannot fade from the bolt rod 1, the protecting sleeve 10 is made of elastic materials, the protecting sleeve 10 can be ensured to cover the bolt rods 1 with different lengths, and the bolt can effectively protect the bolt head through the set protecting structure.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Bolt with bolt head protective structure, including bolt shank (1), its characterized in that: the utility model discloses a bolt, including bolt pole (1), nut (8) are equipped with to bolt pole (1) one end cover and are connected with nut (8) through screw-thread fit, nut (8) bottom is provided with rather than integrated into one piece's collar (12), the surface cover of collar (12) is equipped with connecting sleeve (9), the bottom fixedly connected with lag (10) of connecting sleeve (9), the other end fixedly connected with bolt pole (1) cap (2), cross recess (3) have been seted up on the top of bolt cap (2), the surface cover of bolt cap (2) is equipped with protective cover (6).
2. A bolt with bolt head protection structure according to claim 1, characterized in that: the outer wall of the mounting ring (12) is provided with a first external thread (13), and the inner wall of the connecting sleeve (9) is provided with a first internal thread (11) in threaded fit with the first external thread (13).
3. A bolt with bolt head protection structure according to claim 1, characterized in that: the protective sleeve (10) is made of elastic materials.
4. A bolt with bolt head protection structure according to claim 1, characterized in that: the diameter of the mounting ring (12) and the outer diameter are smaller than the diameter of an inscribed circle of the outer contour of the nut (8).
5. A bolt with bolt head protection structure according to claim 1, characterized in that: the outer wall of the bolt cap (2) is provided with a second external thread (5), and the inner wall of the protective cover (6) is provided with a second internal thread (14) in threaded fit with the second external thread (5).
6. A bolt with bolt head protection structure according to claim 1, characterized in that: the outer wall of the protective cover (6) and the outer wall of the connecting sleeve (9) are provided with anti-slip seams (7).
7. A bolt with bolt head protection structure according to claim 1, characterized in that: the bottom of the outer wall of the bolt cap (2) is fixedly connected with a protection plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323377670.9U CN221237037U (en) | 2023-12-12 | 2023-12-12 | Bolt with bolt head protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323377670.9U CN221237037U (en) | 2023-12-12 | 2023-12-12 | Bolt with bolt head protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221237037U true CN221237037U (en) | 2024-06-28 |
Family
ID=91599954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323377670.9U Active CN221237037U (en) | 2023-12-12 | 2023-12-12 | Bolt with bolt head protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221237037U (en) |
-
2023
- 2023-12-12 CN CN202323377670.9U patent/CN221237037U/en active Active
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| GR01 | Patent grant |