CN201687828U - Fastening bolt - Google Patents
Fastening bolt Download PDFInfo
- Publication number
- CN201687828U CN201687828U CN2010201860290U CN201020186029U CN201687828U CN 201687828 U CN201687828 U CN 201687828U CN 2010201860290 U CN2010201860290 U CN 2010201860290U CN 201020186029 U CN201020186029 U CN 201020186029U CN 201687828 U CN201687828 U CN 201687828U
- Authority
- CN
- China
- Prior art keywords
- screw
- nut
- fastening bolt
- screw rod
- polished rod
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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Abstract
The utility model discloses a fastening bolt which comprises a screw rod and a screw cap which are formed integrally; the screw rod comprises a thread part and a polish part, the thread part is close to the screw cap, and the end part of at least one side of the screw rod forms the polish rod part. Furthermore, the screw cap is arranged in the middle of the screw rod, the end part(s) of one side or both sides of the screw rod form(s) the polish part. The fastening bolt can be mounted in narrow space and has the advantages of high assembly efficiency and convenient mounting.
Description
Technical Field
The utility model relates to a fastening bolt, especially a fastening bolt that simple to operate, assembly efficiency are high, the specially adapted assembles in narrow and small assembly space.
Background
As is well known, fastening bolts are widely used as an important fastener for rigid connections between various parts. When the connecting piece is used, the fastening bolt is in threaded fit with the nut, so that the connected piece is fastened and connected.
Please refer to fig. 1 and 2, which are a schematic structural diagram and another schematic structural diagram of a conventional fastening bolt, respectively. As shown in the drawings, the conventional fastening bolt includes a screw 11 and a nut 12, and a thread 13 is formed on an entire surface of the screw 11. As shown in fig. 1, a nut 12 is integrally formed in the middle of the screw 11, one side of the screw 11 can be fixedly connected with the nut, and the other side can be screwed into the mounting hole, thereby playing a role of fastening a connected piece. In addition, as shown in fig. 2, the nut 12 is disposed at one end of the screw rod 11, threads 13 are formed on the screw rod 11, and the nut is connected with the screw rod 11 by matching the end with the threads 13, so as to achieve the effect of fastening the connected piece. Although the existing fastening bolt has the advantages of simple structure and convenient assembly, the existing fastening bolt also has the following defects:
during assembly, due to the limitation of assembly space, especially in assembling complex and precise products such as automobile electric locks, the assembly space of the fastening bolt is very narrow, the assembly positions of the fastening bolt and the nut are not within the sight range or are not convenient to install by hand assistance, so that the alignment difficulty between the fastening bolt and the nut is greatly increased, time and labor are wasted, and the assembly efficiency and operability are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can be suitable for and install in narrow and small space, and the fastening bolt that assembly efficiency is high.
In order to achieve the above object, the present invention provides a fastening bolt, including integrated into one piece's screw rod and nut, the screw rod includes screw thread portion and polished rod portion, screw thread portion is close to in the nut, the tip of the at least one side of screw rod forms polished rod portion.
The fastening bolt as described above, wherein the nut is provided in the middle of the screw, and one side end of the screw forms the polished rod portion.
The fastening bolt as described above, wherein the nut is disposed in the middle of the screw, and the end portions of both sides of the screw form the polished rod portion.
The fastening bolt as described above, wherein the nut is provided at an end of one side of the screw, and an end of the other side of the screw forms the polished rod portion.
The fastening bolt as described above, wherein the length of the polished rod portion is one fifth to one third of the length of the screw.
Compared with the prior art, the utility model has the following characteristics and advantages:
because the utility model discloses tip at the screw rod is equipped with one section unthreaded polished rod portion, when fastening bolt and nut cooperate, the nut is leading-in and the cover is on polished rod portion by the bottom of polished rod portion, matches with screw thread portion again and connects soon. Compare with well-known fastening bolt, the utility model discloses a polished rod portion can play the effect of direction to the nut, avoids the nut to take place the incline when counterpointing the cooperation, has improved fastening bolt and nut complex degree of accuracy and has improved assembly efficiency.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein,
fig. 1 is a schematic structural view of a conventional fastening bolt;
FIG. 2 is another schematic structural view of a conventional fastening bolt;
fig. 3 is a schematic structural view of a fastening bolt according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of a second embodiment of the fastening bolt of the present invention;
fig. 5 is a schematic structural diagram of a third embodiment of the fastening bolt of the present invention.
Description of reference numerals:
the prior art is as follows:
11-a screw; 12-a screw cap; 13-thread structure.
The utility model discloses:
1-a screw; 2-a screw cap; 3-a threaded portion; 4-a polished rod part; 5-conical bottom.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. Wherein like parts are given like reference numerals.
Please refer to fig. 3, which is a schematic structural diagram of a fastening bolt according to a first embodiment of the present invention. As shown in the figure, the utility model discloses fastening bolt includes integrated into one piece's screw rod 1 and nut 2, and screw rod 1 includes screw thread portion 3 and polished rod portion 4, and screw thread portion 3 is close to in nut 2, the tip of the at least one side of screw rod 1 forms polished rod portion 4. Wherein, the surface of the polished rod part 4 is a smooth surface without threads. Because the utility model discloses tip at screw rod 1 is equipped with one section unthreaded polished rod portion 4, when fastening bolt and nut cooperate, the nut is leading-in and the cover is on polished rod portion 4 by polished rod portion 4's bottom, matches soon with screw thread portion 3 again and connects. Compare with well-known fastening bolt, the utility model discloses a polished rod portion 4 can play the effect of direction to the nut, avoids the nut to take place the incline when counterpointing the cooperation, has improved the degree of accuracy and the assembly efficiency that fastening bolt and nut cooperation were counterpointed.
In this embodiment, the nut 2 is disposed in the middle of the screw rod 1, and threads are processed on the screw rod 1 on both sides of the nut 2, so that the nut can be assembled by both ends of the screw rod 1 respectively. The tip of 1 one side of screw rod forms polished rod portion 4, and when screw rod 1 assembled through polished rod portion 4 and nut like this, polished rod portion 4 played the effect to the nut direction to guaranteed that screw rod and nut counterpoint is accurate, be suitable for and assemble in narrow and small space.
Furthermore, the bottom 5 of the polished rod part is conical, so that the processing operation is convenient.
In addition, the threads provided on the screws on both sides of the nut 2 may be thread structures of the same type and specification (e.g., the thread pitch and the thread shape are the same), or the thread structures of different types and specifications may be selected on both sides of the nut, respectively, so as to be suitable for different assembly requirements.
The utility model discloses a theory of operation is: during assembly, the screw rod 1 is firstly arranged on the connected piece in a penetrating way, and then the nut to be installed is sleeved on the polished rod part 4 from the bottom end of the polished rod part 4 of the screw rod 1, so that the nut can only slide up and down along the polished rod part 4, and the nut guiding effect is achieved. Secondly, utilize locking tool rotating screw rod 1 again for the nut cooperates the spiro union with screw thread portion 3 of screw rod 1, thereby assembles the nut on fastening bolt, plays the effect of connecting and fastening by the connecting piece. The utility model discloses be suitable for and assemble the operation in narrow and small installation space, and have convenient assembling, efficient, labour saving and time saving's advantage.
Please refer to fig. 4, which is a schematic structural diagram of a second embodiment of the present invention. In this embodiment, the same reference numerals are used for the same components as in the first embodiment.
As shown in fig. 4, both side ends of the screw 1 form a polished rod portion 4. Therefore, when the nut is matched with the screw rod 1 from any side, the nut can be guided through the polished rod part 4, and the applicability of the fastening bolt is improved.
Other structures, working principles and beneficial effects of the embodiment are the same as those of the first embodiment, and are not described herein again.
Please refer to fig. 5, which is a schematic structural diagram of a third embodiment of the present invention. In this embodiment, the same reference numerals are used for the same components as in the first embodiment.
As shown in fig. 5, the nut 2 is disposed at one end of the screw 1, the polished rod portion 4 is formed at the other end of the screw 1, and the screw portion 3 is formed between the polished rod portion 4 and the nut 2. The nut is guided by the polished rod part 4 and is matched and connected with the threaded part 3 of the screw rod 1, so that the fastening bolt and the nut are aligned accurately and the assembly efficiency is high, and the effect of connecting and fastening a connected piece can be achieved.
Other structures, working principles and beneficial effects of the embodiment are the same as those of the first embodiment, and are not described herein again.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (4)
1. A fastening bolt, characterized in that, fastening bolt includes integrated into one piece's screw rod and nut, the screw rod includes screw thread portion and polished rod portion, screw thread portion is close to the nut, the tip of at least one side of screw rod forms polished rod portion.
2. The fastening bolt according to claim 1, wherein said nut is provided at a middle portion of said screw, and one side end portion of said screw forms said shank portion.
3. The fastening bolt according to claim 1, wherein the nut is provided in the middle of the screw, and the ends of both sides of the screw form the polished rod portion.
4. The fastening bolt according to claim 1, wherein said nut is provided at an end portion of one side of said screw, and an end portion of the other side of said screw forms said shank portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201860290U CN201687828U (en) | 2010-04-29 | 2010-04-29 | Fastening bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201860290U CN201687828U (en) | 2010-04-29 | 2010-04-29 | Fastening bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201687828U true CN201687828U (en) | 2010-12-29 |
Family
ID=43376110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201860290U Expired - Lifetime CN201687828U (en) | 2010-04-29 | 2010-04-29 | Fastening bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201687828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485139A (en) * | 2016-01-15 | 2016-04-13 | 瑞安市威孚标准件有限公司 | Bolt with self-locking function |
-
2010
- 2010-04-29 CN CN2010201860290U patent/CN201687828U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485139A (en) * | 2016-01-15 | 2016-04-13 | 瑞安市威孚标准件有限公司 | Bolt with self-locking function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101229 |