CN201437815U - Brake drum bolt - Google Patents
Brake drum bolt Download PDFInfo
- Publication number
- CN201437815U CN201437815U CN2009201216296U CN200920121629U CN201437815U CN 201437815 U CN201437815 U CN 201437815U CN 2009201216296 U CN2009201216296 U CN 2009201216296U CN 200920121629 U CN200920121629 U CN 200920121629U CN 201437815 U CN201437815 U CN 201437815U
- Authority
- CN
- China
- Prior art keywords
- bolt
- bolt head
- screw rod
- brake drum
- drum
- 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 - Fee Related
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Abstract
The utility model discloses a brake drum bolt which comprises a bolt head (1.1) and a screw rod (1.2). The bolt head (1.1) is connected at the end part of the screw rod (1.2), the shape of the bolt head (1.1) being vertical to the axis of the screw rod (1.2) is arched, and the arched arc line is a major arc. The brake drum bolt is convenient for installation.
Description
Technical field
The utility model relates to a kind of bolt, relates to a kind of bolt that is applied on the brake drum or rather.
Background technique
Brake drum is used for to brake block wearing and tearing usefulness, by braking with the friction of brake block.Described brake drum comprises cylinder and the retaining ring that is protruded out to the axle center by cylinder edge, described retaining ring is provided with a plurality of bolts hole, when brake drum is installed, bolt is fixed on brake drum on other parts of automobile by the bolt hole on the brake drum retaining ring, but the drum bolt of prior art comprises bolt head and screw rod, described bolt head is connected the end of described screw rod, and described bolt head is cylindric, and the center line of this bolt head and the axis of screw rod are on same straight line.There is following defective in this kind prior art: described bolt head is cylindric, and when drum bolt was installed, bolt head can be run into the brake drum cylinder inner wall, makes troubles to assembling.
The model utility content
The technical problems to be solved in the utility model is that a kind of drum bolt easy for installation is provided.
Technical solution of the present utility model is, a kind of hose lamp with following structure is provided, and it comprises bolt head and screw rod, and described bolt head is connected the end of described screw rod, described bolt head is arc perpendicular to being shaped as of screw axis, and described arc camber line is a major arc.
After adopting above structure, the utility model hose lamp compared with prior art has the following advantages:
Described bolt head is arc perpendicular to being shaped as of screw axis, and when drum bolt was installed, bolt head can not contact with the brake drum cylinder inner wall, and construction bolt can not produce interference, and is easy to assembly.
Description of drawings
Fig. 1 is that the utility model drum bolt is installed in the structural representation on the brake drum.
Fig. 2 is the structural representation of the utility model drum bolt.
Fig. 3 is the structural representation of A direction among the utility model drum bolt Fig. 2.
Shown in the figure: 1, drum bolt, 1.1, bolt head, 1.2, screw rod, 1.2.1, threaded stem, 1.2.2, polished rod, 2, brake drum.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
See also Fig. 1, Fig. 2 and shown in Figure 3, the utility model drum bolt 1 comprises bolt head 1.1 and screw rod 1.2, described screw rod 1.2 comprises threaded stem 1.2.1 and polished rod 1.2.2, described threaded stem 1.2.1 is connected with polished rod 1.2.2, described bolt head 1.1 is connected on the polished rod 1.2.2 end of described screw rod 1.2, and the axis of the center line of described bolt head 1.1 and described screw rod 1.2 is on same straight line.As shown in Figure 2, described bolt head 1.1 is arc from being shaped as of being to seeing of A, and described arc camber line is a major arc, and the sidewall of described bolt head 1.1 is formed by connecting by cambered surface and plane.
When drum bolt 1 is installed, the flat sidewall of bolt head 1.1 towards brake drum 2 cylinder inner walls, can be fit into bolt 1 in the bolt hole of brake drum 2 easily.
Claims (1)
1. drum bolt, it comprises bolt head (1.1) and screw rod (1.2), described bolt head (1.1) is connected the end of described screw rod (1.2), it is characterized in that: described bolt head (1.1) is arc perpendicular to being shaped as of screw rod (1.2) axis, and described arc camber line is a major arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201216296U CN201437815U (en) | 2009-06-02 | 2009-06-02 | Brake drum bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201216296U CN201437815U (en) | 2009-06-02 | 2009-06-02 | Brake drum bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201437815U true CN201437815U (en) | 2010-04-14 |
Family
ID=42399789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201216296U Expired - Fee Related CN201437815U (en) | 2009-06-02 | 2009-06-02 | Brake drum bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201437815U (en) |
-
2009
- 2009-06-02 CN CN2009201216296U patent/CN201437815U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100414 Termination date: 20120602 |