CN219277702U - Fixing structure for inner base block of bicycle lower tube - Google Patents
Fixing structure for inner base block of bicycle lower tube Download PDFInfo
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- CN219277702U CN219277702U CN202320224729.1U CN202320224729U CN219277702U CN 219277702 U CN219277702 U CN 219277702U CN 202320224729 U CN202320224729 U CN 202320224729U CN 219277702 U CN219277702 U CN 219277702U
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Abstract
The utility model discloses a fixing structure of a base block in a lower tube of a bicycle, which relates to the field of electric bicycles and comprises an upper base fixing block and a lower base fixing block which are welded and connected in the lower tube of the bicycle, wherein the upper base fixing block and the lower base fixing block are symmetrically arranged, the upper base fixing block comprises an upper base fixing plate, a first supporting plate and a first extending plate arranged on one side of the upper base fixing plate far away from the first supporting plate, a first positioning component is arranged on the first extending plate, the lower base fixing block comprises a lower base fixing plate, a second supporting plate and a second extending plate arranged on one side of the lower base fixing plate far away from the second supporting plate, and a second positioning component is arranged on the second extending plate. The bicycle down tube is not affected by heat treatment, cannot deform and cannot affect the battery box.
Description
Technical Field
The utility model relates to the field of electric bicycles, in particular to a fixing structure of a base block in a lower pipe of a bicycle.
Background
The electric bicycle is a vehicle which uses a storage battery as an auxiliary energy source and is provided with a motor, a controller, a storage battery, a handle bar, and other operating components and a display instrument system on the basis of a common bicycle.
At present, the fixing mode of the battery box on the electric bicycle is that holes are punched on a lower tube of the electric bicycle, and then a storage battery is locked by using a screw, so that the fixing mode is not antitheft; the lower tube of the electric bicycle is connected with the head tube and the upper tube through welding, the lower tube can deform during welding, and the battery box is not easy to lock.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a fixing structure of a base block in a lower tube of a bicycle, which can adjust the position of a battery box on the lower tube of the bicycle, does not deform the lower tube of the bicycle and is convenient for locking the battery box.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the fixing structure of the base block in the lower tube of the bicycle is applied to the lower tube of the bicycle and comprises an upper base fixing block and a lower base fixing block which are connected in the lower tube of the bicycle in a welding mode, the upper base fixing block is used for fixing an upper base, the lower base fixing block is used for fixing a lower base, the upper base and the lower base are used for fixing a battery box, the upper base fixing block and the lower base fixing block are symmetrically arranged, the upper base fixing block comprises an upper base fixing plate, a first supporting plate and a first extending plate 13 arranged on one side, far away from the first supporting plate, of the upper base fixing plate, a first positioning assembly is arranged on the first extending plate 13, the lower tube of the bicycle is connected with the upper base fixing block in a welding mode through the positioning assembly, and therefore the position of the upper base fixing block in the lower tube of the bicycle is accurate, and position deviation cannot occur. The lower base fixed block comprises a lower base fixed plate, a second supporting plate and a second extending plate arranged on one side of the lower base fixed plate away from the second supporting plate, wherein a second positioning assembly is arranged on the second extending plate, and the lower tube of the bicycle is connected with the lower base fixed block in a welded mode through the second positioning assembly, so that the position of the lower base fixed block in the lower tube of the bicycle is accurately positioned, and position deviation cannot occur. The upper base fixing block and the lower base fixing block are fixed in the lower tube of the bicycle through the first positioning assembly and the second positioning assembly, so that the battery box is fixed in the lower tube of the bicycle.
The application fixes the upper base fixing block and the lower base fixing block in the lower tube of the bicycle through the first positioning assembly and the second positioning assembly, so that the battery box is fixed in the lower tube of the bicycle. This application will go up base fixed block and lower base fixed block welding on the bicycle down tube before the heat treatment, and the bicycle down tube is not heat treatment's influence, can not warp, can not influence lock battery case.
Further is: the first positioning component comprises a first positioning column arranged on the first extension plate and a first through hole arranged on the first extension plate, a first positioning hole is arranged at the position, corresponding to the first positioning column, of the bicycle lower pipe, and a third through hole is arranged at the position, corresponding to the first through hole, of the bicycle lower pipe. When the upper base fixing block is fixed, the first positioning column corresponds to the first positioning hole on the lower tube of the bicycle in position and stretches into the first positioning hole, the first positioning column and the first positioning hole are welded to fix the upper base fixing block in the lower tube of the bicycle, the screw or the bolt is taken down, the first positioning column and the third positioning hole are welded to thoroughly fix the upper base fixing block in the lower tube of the bicycle, and finally the two welded positions are flattened by polishing. The number of the first positioning columns can be set according to requirements, and the number of the first positioning columns can be two, three or four. The number of the first through holes can be set according to requirements, and the number of the first through holes can be two, three or four.
Further is: the second positioning assembly comprises a second positioning column arranged on the second extension plate and a second through hole arranged on the second extension plate. The bicycle lower tube is provided with a second positioning hole at a position corresponding to the second positioning column, and a fourth through hole is arranged at a position corresponding to the second through hole on the bicycle lower tube. When the lower base fixing block is fixed, the second positioning column corresponds to the second positioning hole on the lower tube of the bicycle in position and stretches into the second positioning hole, the lower base fixing block is positioned by using a screw or a bolt to pass through the second through hole and the fourth through hole, then the lower base fixing block is fixed in the lower tube of the bicycle by welding the second positioning column and the second positioning hole, then the screw or the bolt is taken down, then the lower base fixing block is thoroughly fixed in the lower tube of the bicycle by welding the second through hole and the fourth through hole, and finally two welding positions are flattened by polishing. The number of the second positioning columns can be set according to requirements, and the number of the second positioning columns can be two, three or four. The number of the second through holes can be set according to requirements, and the number of the second through holes can be two, three or four.
Further is: the upper base fixing plate is respectively and vertically arranged with the first supporting plate and the first extending plate 13, so that the upper base is conveniently fixed on one hand, and the upper base fixing block is conveniently positioned on the other hand.
Further is: two supporting feet are symmetrically arranged on one side, away from the upper base fixing plate, of the first supporting plate, and the two supporting feet fix the line pressing plate of the battery box through bolts.
Further is: the side of going up the base fixed plate is provided with the arc wall, the arc wall is used for keeping away the position tool to lock.
Further is: and a lock is arranged in the arc-shaped groove, and locks the upper base and the battery box.
The utility model has the beneficial effects that the upper base fixing block and the lower base fixing block are fixed in the lower tube of the bicycle through the first positioning component and the second positioning component, so that the battery box is fixed in the lower tube of the bicycle. This application will go up base fixed block and lower base fixed block welding on the bicycle down tube before the heat treatment, and the bicycle down tube is not heat treatment's influence, can not warp, can not influence lock battery case.
Drawings
FIG. 1 is a schematic view of a battery compartment and a bicycle bottom tube according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating the positions of an upper base fixing block and a lower base fixing block according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the locations of the upper base securing block and the upper base;
FIG. 4 is a schematic view of an upper base fixing block according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the positions of the lower base fixing block and the lower base;
FIG. 6 is a schematic view of the structure of the lower base fixing block;
in the figure: 100. a bicycle down tube; 1. an upper base fixing block; 2. a lower base fixing block; 3. a lock 11 and an upper base fixing plate; 12. a first support plate; 13. a first extension plate 13; 14. a first positioning assembly; 141. a first positioning column; 142. a first through hole; 15. supporting feet; 16. an arc-shaped groove; 21. a lower base fixing plate; 22. a second support plate; 23. a second extension plate; 24. a second positioning assembly; 241. a second positioning column; 242. a second through hole; 200. a battery case; 300. an upper base; 400. a lower base; 500. and (5) pressing the line plate.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-6, an embodiment of the present application provides a fixing structure for a base block in a lower tube of a bicycle, which is applied to the lower tube 100 of the bicycle, and includes an upper base fixing block 1 and a lower base fixing block 2 welded to be connected to the lower tube 100 of the bicycle, wherein the upper base fixing block 1 is used for fixing an upper base 300, the lower base fixing block 2 is used for fixing a lower base 400, the upper base 300 and the lower base 400 are used for fixing a battery case 200, the upper base fixing block 1 and the lower base fixing block 2 are symmetrically arranged, the upper base fixing block 1 includes an upper base fixing plate 11, a first supporting plate 12 and a first extending plate 13 arranged at one side of the upper base fixing plate far from the first supporting plate, and a first positioning assembly 14 is arranged on the first extending plate 13, and the lower tube of the bicycle is welded to the upper base fixing block through the first positioning assembly, so that the position of the upper base fixing block in the lower tube of the bicycle is accurate, and no positional deviation occurs. The lower base fixed block 2 comprises a lower base fixed plate 21, a second supporting plate 22 and a second extending plate 23 arranged on one side of the lower base fixed plate far away from the second supporting plate, wherein a second positioning assembly 24 is arranged on the second extending plate 23, and the lower tube of the bicycle is welded with the lower base fixed block through the second positioning assembly 24, so that the position of the lower base fixed block in the lower tube of the bicycle is accurately positioned, and no position deviation occurs. The upper and lower base fixing blocks are fixed in the bicycle lower tube by the first and second positioning assemblies 14 and 24, thereby fixing the battery case in the bicycle lower tube.
The present application secures the upper and lower base blocks within the bicycle lower tube by the first and second positioning assemblies 14 and 24 to secure the battery compartment within the bicycle lower tube. The application welds upper base fixed block 1 and lower base fixed block 2 on the bicycle down tube before heat treatment, and the bicycle down tube is not influenced by heat treatment, can not warp, can not influence lock battery box 200.
On the basis of the above, as shown in fig. 4, the first positioning assembly 14 includes a first positioning post 141 and a first through hole 142 disposed on the first extension plate 13, a first positioning hole is disposed on the bicycle down tube at a position corresponding to the first positioning post 141, and a third through hole is disposed on the bicycle down tube at a position corresponding to the first through hole 142. When the upper base fixing block is fixed, the first positioning column 141 corresponds to the first positioning hole on the lower tube of the bicycle in position and extends into the first positioning hole, the upper base fixing block is positioned by using a screw or a bolt to pass through the first through hole 142 and the third through hole, then the first positioning column 141 and the first positioning hole are welded, the upper base fixing block is fixed in the lower tube of the bicycle, then the screw or the bolt is taken down, then the upper base fixing block is thoroughly fixed in the lower tube of the bicycle by welding the first through hole 142 and the third through hole, and finally two welding positions are flattened by grinding. The number of the first positioning columns 141 may be set according to the requirement, and the number of the first positioning columns 141 may be two, three or four, and in this embodiment, the number of the first positioning columns 141 is two. The number of the first through holes 142 may be set according to the requirement, and the number of the first through holes 142 may be two, three or four, and in this embodiment, the number of the first through holes 142 is two.
On the basis of the above, as shown in fig. 6, the second positioning assembly 24 includes a second positioning post 241 and a second through hole 242 provided on the second extension plate 23. A second positioning hole is formed in the bicycle lower pipe at a position corresponding to the second positioning column 241, and a fourth through hole is formed in the bicycle lower pipe at a position corresponding to the second through hole 242. When the lower base fixing block is fixed, the second positioning column 241 corresponds to the second positioning hole on the lower tube of the bicycle in position and extends into the second positioning hole, the lower base fixing block is positioned by first penetrating the second through hole 242 and the fourth through hole by using a screw or bolt, then the lower base fixing block is fixed in the lower tube of the bicycle by welding the second positioning column 241 and the second positioning hole, then the screw or bolt is taken down, then the lower base fixing block is thoroughly fixed in the lower tube of the bicycle by welding the second through hole 242 and the fourth through hole, and finally the two welding positions are flattened by polishing. The number of the second positioning columns 241 may be set according to the requirement, and the number of the second positioning columns 241 may be two, three or four, and in this embodiment, the number of the second positioning columns 241 is two. The number of the second through holes 242 may be set according to the requirement, and two, three or four second through holes 242 may be set, and in this embodiment, two second through holes 242 are set.
On the basis of the above, the upper base fixing plate 11 is respectively perpendicular to the first supporting plate 12 and the first extending plate 13, so that on one hand, the upper base 300 is conveniently fixed, and on the other hand, the upper base fixing block is conveniently positioned.
On the basis of the above, as shown in fig. 4, two supporting legs 15 are symmetrically disposed on one side of the first supporting plate 12 away from the upper base fixing plate 11, and the two supporting legs 15 fix the pressing plate 500 of the battery case 200 by bolts.
On the basis of the above, the side edge of the upper base fixing plate 11 is provided with an arc groove 16, and the arc groove 16 is used for avoiding the lock 3.
On the basis of the above, the lock 3 is arranged in the arc-shaped groove 16, and the lock 3 locks the upper base 300 and the battery box 200.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a base piece fixed knot constructs in bicycle down tube, is applied to in bicycle down tube (100), its characterized in that: the bicycle lower pipe comprises an upper base fixing block (1) and a lower base fixing block (2) which are welded and connected in a bicycle lower pipe (100), wherein the upper base fixing block (1) and the lower base fixing block (2) are symmetrically arranged, the upper base fixing block (1) comprises an upper base fixing plate (11), a first supporting plate (12) and a first extending plate (13) arranged on one side, far away from the first supporting plate, of the upper base fixing plate, a first positioning component (14) is arranged on the first extending plate (13), and the bicycle lower pipe is welded and connected with the upper base fixing block through the first positioning component (14); the lower base fixed block (2) comprises a lower base fixed plate (21), a second supporting plate (22) and a second extending plate (23) arranged on one side of the lower base fixed plate far away from the second supporting plate, wherein a second positioning assembly (24) is arranged on the second extending plate (23), and the bicycle lower pipe is welded and connected with the lower base fixed block through the second positioning assembly (24).
2. The bicycle bottom tube inner base block fixing structure of claim 1, wherein: the first positioning component (14) comprises a first positioning column (141) and a first through hole (142) which are arranged on the first extension plate (13).
3. The bicycle bottom tube inner base block fixing structure of claim 1, wherein: the second positioning assembly (24) comprises a second positioning column (241) and a second through hole (242) which are arranged on the second extension plate (23).
4. The bicycle bottom tube inner base block fixing structure of claim 1, wherein: the upper base fixing plate (11) is respectively and vertically arranged with the first supporting plate (12) and the first extending plate (13).
5. The bicycle bottom tube inner base block fixing structure of claim 1, wherein: two supporting feet (15) are symmetrically arranged on one side, far away from the upper base fixing plate (11), of the first supporting plate (12).
6. The bicycle bottom tube inner base block fixing structure of claim 1, wherein: an arc-shaped groove (16) is formed in the side edge of the upper base fixing plate (11).
7. The bicycle bottom tube inner base block fixing structure as claimed in claim 6, wherein: a lock (3) is arranged in the arc-shaped groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320224729.1U CN219277702U (en) | 2023-02-15 | 2023-02-15 | Fixing structure for inner base block of bicycle lower tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320224729.1U CN219277702U (en) | 2023-02-15 | 2023-02-15 | Fixing structure for inner base block of bicycle lower tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219277702U true CN219277702U (en) | 2023-06-30 |
Family
ID=86931649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320224729.1U Active CN219277702U (en) | 2023-02-15 | 2023-02-15 | Fixing structure for inner base block of bicycle lower tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219277702U (en) |
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2023
- 2023-02-15 CN CN202320224729.1U patent/CN219277702U/en active Active
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