CN2225939Y - Special tool suitable for repairing mountain bicycle and variable bicycle - Google Patents
Special tool suitable for repairing mountain bicycle and variable bicycle Download PDFInfo
- Publication number
- CN2225939Y CN2225939Y CN 95201662 CN95201662U CN2225939Y CN 2225939 Y CN2225939 Y CN 2225939Y CN 95201662 CN95201662 CN 95201662 CN 95201662 U CN95201662 U CN 95201662U CN 2225939 Y CN2225939 Y CN 2225939Y
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- Prior art keywords
- dual
- repairing
- processed
- screw
- wall
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a special tool suitable for repairing mountain bicycles and variable bicycles, comprising two screws, a dual-purpose joint, and a dual-purpose sheathing head, wherein the end of the dual-purpose screw is of hexagonal structure. The inner wall of the dual-purpose sheathing head is also of inner hexagonal structure. The outer wall of the dual-purpose sheathing head is processed with two convex keys at least. The inner wall of the dual-purpose joint is processed with screw-thread. One end of the outer wall of the dual-purpose joint is processed with screw thread and the other end has a plurality of keyways. Because the utility model is designed specially for repairing mountain bicycles and variable bicycles, the utility model with the advantages of simple and reasonable structure, convenience, practicality, and fast speed is an ideal special repair tool.
Description
The utility model relates to a kind of car repair tool, relates in particular to a kind of specific purpose tool that is suitable for repairing mountain bike, derailleur.
Since mountain bike, derailleur are popular in the city, because the particularity of its structure becomes its repairing and makes us stubborn problem, because there is not specific purpose tool, people cooperate with pliers, plank, hammer and screwdriver, use pretty troublesomely, also very inconvenient, especially turn, when wheel disc or flywheel at the dismounting pin, have to strike with hammer, down dash with screwdriver, be easy to cause wheel disc torsional deformation and difficult the correction, also can cause parts damages sometimes.Therefore, market waits in expectation and a kind ofly uses handy being specially adapted for and repair the instrument of mountain bike, derailleur and come out.
A kind of specific purpose tool that is suitable for repairing mountain bike, derailleur that the purpose of this utility model designs at existing problem in the above-mentioned prior art just, this tool construction advantages of simple, practical, convenient, fast, a kind of product of can yet be regarded as with market competitiveness.
The purpose of this utility model realizes by following measure:
Originally the specific purpose tool that is suitable for repairing mountain bike, derailleur comprises dual-purpose screw, dual-purpose joint and dual-purpose pullover composition, and wherein, the end of dual-purpose screw is a hexagonal structure; The dual-purpose pullover interior hexagonal structure of inwall for matching with dual-purpose tip of screw is processed with at least two protruding keys on the dual-purpose pullover outer wall; The inwall of dual-purpose joint be processed with can with the screw thread of dual-purpose screw fit, its outer wall one end is processed with screw thread, the other end is provided with a plurality of keyways.
In the utility model, be processed with an assister bar mounting hole on the dual-purpose screw; Be processed with four protruding keys on the dual-purpose pullover outer wall; One end of the outer wall of dual-purpose joint is provided with 12 keyways.The middle part of the outer wall of dual-purpose joint is flat square structure, so that the wrench clamping; Both ends of the surface at dual-purpose joint all are processed with counterbore.
The advantage that the utility model is compared with prior art possessed is: simple and reasonable, owing to this instrument designs for repairing mountain bike, derailleur specially, therefore repair mountain bike, derailleur with it, convenient, practical, quick, it is handy to use, and is a kind of desirable special-purpose car repair tool.
Fig. 1 is a structural front view of the present utility model.
Fig. 2 is dual-purpose screw and the dual-purpose pullover structural representation that matches.
The structural representation that Fig. 3 matches with dual-purpose joint for dual-purpose screw.
Fig. 4 is the structural representation of dual-purpose joint.
Fig. 5 is A-A cutaway view of Fig. 4.
Fig. 6 is dual-purpose pullover side view.
The utility model is explained in detail below in conjunction with accompanying drawing: as shown in the figure: this specific purpose tool comprises dual-purpose screw (1), dual-purpose joint (2) and dual-purpose pullover (3) composition, wherein, be processed with an assister bar mounting hole (6) on the dual-purpose screw, its end is a hexagonal structure; The interior hexagonal structure of the inwall of dual-purpose pullover (3) for matching with dual-purpose tip of screw is processed with four protruding keys (4) on the outer wall of dual-purpose pullover (3); The inwall of dual-purpose joint (2) be processed with can with the screw thread of dual-purpose screw fit, its outer wall one end is processed with screw thread, and the other end is provided with 12 keyways (5), and the middle part of the outer wall of dual-purpose joint (2) is flat square structure, so that the wrench clamping, all be processed with counterbore in the both ends of the surface of dual-purpose joint.
1., when dismounting pin when turning, as shown in Figure 2 user mode of the present utility model is as follows:: with dual-purpose screw and dual-purpose pullover cooperation, can back out six square nuts at mountain bike, derailleur axis two ends, can penetrate assister bar in case of necessity and rotate.Also can utilize dual-purpose protruding key on pullover to be stuck in the groove of flywheel of car of a certain model unloads flywheel.2., when the dismounting wheel disc, as shown in Figure 3: the internal thread that first male thread with dual-purpose joint one end is screwed into wheel disc is smashed, and is screwed into dual-purpose joint internal thread with dual-purpose screw again and smashs, and rotating screw can unload wheel disc.3., when dismounting during flywheel, stick in the flywheel internal splined shaft bushing with 12 protruding keys of dual-purpose joint one end, the flat side who blocks the joint outer wall with wrench can unload flywheel.
Claims (6)
1, the utility model relates to a kind of specific purpose tool that is suitable for repairing mountain bike, derailleur, it is characterized in that: it comprises dual-purpose screw (1), dual-purpose joint (2) and dual-purpose pullover (3) composition, and the end of dual-purpose screw is a hexagonal structure; The interior hexagonal structure of the inwall of dual-purpose pullover (3) for matching with dual-purpose tip of screw is processed with at least two protruding keys (4) on the dual-purpose pullover outer wall; The inwall of dual-purpose joint (2) be processed with can with the screw thread of dual-purpose screw fit, its outer wall one end is processed with screw thread, the other end is provided with a plurality of keyways (5).
2, the specific purpose tool that is suitable for repairing mountain bike, derailleur according to claim 1 is characterized in that: be processed with an assister bar mounting hole (6) on dual-purpose screw (1).
3, the specific purpose tool that is suitable for repairing mountain bike, derailleur according to claim 1 is characterized in that: be processed with four protruding keys (4) on the outer wall of dual-purpose pullover (3).
4, the specific purpose tool that is suitable for repairing mountain bike, derailleur according to claim 1 is characterized in that: an end of the outer wall of dual-purpose joint (2) is provided with 12 keyways (5).
5, according to claim 1 or the 4 described specific purpose tools that are suitable for repairing mountain bike, derailleur, it is characterized in that: the middle part of the outer wall of dual-purpose joint (2) is flat square structure.
6, the specific purpose tool that is suitable for repairing mountain bike, derailleur according to claim 1 is characterized in that: the both ends of the surface of dual-purpose joint (2) all are processed with counterbore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95201662 CN2225939Y (en) | 1995-01-18 | 1995-01-18 | Special tool suitable for repairing mountain bicycle and variable bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95201662 CN2225939Y (en) | 1995-01-18 | 1995-01-18 | Special tool suitable for repairing mountain bicycle and variable bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2225939Y true CN2225939Y (en) | 1996-05-01 |
Family
ID=33855034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95201662 Expired - Fee Related CN2225939Y (en) | 1995-01-18 | 1995-01-18 | Special tool suitable for repairing mountain bicycle and variable bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2225939Y (en) |
-
1995
- 1995-01-18 CN CN 95201662 patent/CN2225939Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |