CN214216031U - Rear fork structure for children belt bicycle - Google Patents
Rear fork structure for children belt bicycle Download PDFInfo
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- CN214216031U CN214216031U CN202120073996.4U CN202120073996U CN214216031U CN 214216031 U CN214216031 U CN 214216031U CN 202120073996 U CN202120073996 U CN 202120073996U CN 214216031 U CN214216031 U CN 214216031U
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Abstract
A rear fork structure for a children belt bicycle comprises a front fork frame and a rear fork frame, wherein the front fork frame is used for mounting a front wheel of the belt bicycle; the front end of back fork truck frame is used for installing front fork truck frame, the rear end of back fork truck frame is used for installing belt bicycle's rear wheel, back fork truck frame includes the mount, mounting bracket and installed part, front fork truck frame is installed to the front end of mount, the rear end of mount is connected in the mounting bracket, the mounting bracket is equipped with two, the front end of two mounting brackets is acute angle connection in the rear end of mount, two mounting bracket symmetry installations, and the region between two mounting brackets is used for installing belt bicycle's rear wheel, two mounting brackets are seted up jaggedly respectively, the installed part is equipped with two, installed part detachably installs in the breach, during the installation, the installed part is used for sealing the breach. The utility model provides a rear fork structure for children's belt bicycle according to above-mentioned content, can install or change the belt chain fast through setting up the breach.
Description
Technical Field
The utility model relates to a belt bicycle field especially relates to a back fork structure for children's belt bicycle.
Background
The existing bicycle is generally divided into a belt bicycle and a chain bicycle, the chain bicycle is installed by breaking the chain and then connected when being installed with the chain, and the installation mode is selected according to the specific structure of the bicycle frame because the chain can not be broken during the installation of the belt chain of the belt bicycle, so that the installation and the replacement of the belt chain are very inconvenient, and the installation and the replacement efficiency are low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a back fork structure for children's belt bicycle can install or change the belt chain fast through setting up the breach.
To achieve the purpose, the utility model adopts the following technical proposal:
a rear fork structure for a children belt bicycle comprises a front fork frame and a rear fork frame;
the front forklift frame is used for mounting a front wheel of the belt bicycle; the front end of the rear forklift frame is used for mounting the front forklift frame, and the rear end of the rear forklift frame is used for mounting a rear wheel of the belt bicycle;
the rear forklift frame comprises a fixed frame, a mounting frame and a mounting piece;
the front fork frame is mounted at the front end of the fixing frame, the rear end of the fixing frame is connected to the mounting frames, two mounting frames are arranged, the front ends of the two mounting frames are connected to the rear end of the fixing frame in an acute angle mode, the two mounting frames are symmetrically mounted, and the region between the two mounting frames is used for mounting a rear wheel of a belt bicycle;
the two mounting racks are respectively provided with a notch;
the mounting part is equipped with two, mounting part detachably install in the breach, during the installation, the mounting part is used for sealing the breach.
Further, the mounting rack comprises a transverse supporting rod and an inclined supporting rod;
the front end of the transverse supporting rod is connected to the lower part of the rear end of the fixing frame, and the rear end of the transverse supporting rod extends backwards;
the inclined supporting rod is positioned above the transverse supporting rod;
the front end of the inclined supporting rod is connected to the upper part of the rear end of the fixing frame, and the rear end of the inclined supporting rod is obliquely directed to the rear end of the transverse supporting rod;
a gap is reserved between the rear end of the inclined supporting rod and the rear end of the transverse supporting rod, and the gap is the notch.
Specifically, the included angle between the transverse supporting rod and the inclined supporting rod is 45-60 degrees.
Preferably, the rear end of horizontal bracing piece with the rear end of slope bracing piece is equipped with the mounting groove respectively, the mounting groove is followed the inboard of mounting bracket is concave to the outside, the mounting groove is used for spacing installation the installed part.
Further, the mounting piece comprises a supporting block and a connecting block, the connecting block comprises a mounting surface and two vertically symmetrical binding surfaces, the mounting surface is used for binding with the bottom surface of the mounting groove, the binding surfaces are used for binding with the wall surface of the mounting groove, and the supporting block is convexly arranged on the mounting surface in a region which is not bound with the mounting groove;
the supporting block comprises two supporting binding surfaces which are arranged up and down symmetrically, the supporting binding surface positioned above is used for binding with the tail end surface of the inclined supporting rod, and the supporting binding surface positioned below is used for binding with the upper end surface of the rear end of the transverse supporting rod;
during installation, the supporting block is arranged in the notch, the supporting block is used for supporting the inclined supporting rod, and the connecting block is arranged in the mounting groove.
Specifically, U type notch has been seted up to the connecting block, the opening of U type notch is towards the rear end, U type notch is used for the rear wheel installation axle of spacing installation belt bicycle.
In some embodiments, the support block is provided with an adjusting hole in the front-rear direction, the adjusting hole is used for installing an adjusting piece, and the adjusting piece is used for controlling the position distance between the rear wheel of the belt bicycle and the rotating shaft hole of the pedal plate.
Further, first connecting holes have been seted up respectively to the rear end of horizontal bracing piece with the rear end of slope bracing piece, the second connecting hole has been seted up to the connecting block, first connecting hole with the second connecting hole one-to-one, the mounting bracket passes through first connecting hole with the second connecting hole connect in the connecting block.
Preferably, the first connecting hole is provided with a chamfer which is turned from the outer side to the inner side, and the chamfer is used for embedding and hiding the connecting screw.
The utility model has the advantages that:
1. through the breach, realize installing fast or changing belt bicycle's belt chain, reach the effect that improves belt chain installation or change efficiency.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a notch according to an embodiment of the present invention;
FIG. 3 is a schematic view of a portion of FIG. 2 at a larger scale;
FIG. 4 is a schematic structural view of a mounting member according to one embodiment of the present invention;
wherein: the front fork frame 1, the rear fork frame 2, the fixed frame 21, the mounting frame 22, the notch 221, the mounting groove 222, the first connecting hole 223, the chamfer 2231, the transverse support rod 224, the inclined support rod 225, the mounting part 23, the support block 231, the adjusting hole 2311, the connecting block 232, the U-shaped notch 2321 and the second connecting hole 2322.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inner", "outer end", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1-4, a rear fork structure for a children's belt-type bicycle comprises a front fork frame 1 and a rear fork frame 2;
the front fork frame 1 is used for mounting a front wheel of a belt bicycle; the front end of the rear forklift frame 2 is used for mounting the front forklift frame 1, and the rear end of the rear forklift frame 2 is used for mounting a rear wheel of a belt bicycle;
the rear forklift frame 2 comprises a fixed frame 21, a mounting frame 22 and a mounting piece 23;
the front fork frame 1 is mounted at the front end of the fixing frame 21, the rear end of the fixing frame 21 is connected to the mounting frames 22, two mounting frames 22 are arranged, the front ends of the two mounting frames 22 are connected to the rear end of the fixing frame 21 in an acute angle, the two mounting frames 22 are symmetrically mounted, and the region between the two mounting frames is used for mounting a rear wheel of a belt bicycle;
the two mounting frames 22 are respectively provided with a notch 221;
the number of the mounting parts 23 is two, the mounting parts 23 are detachably mounted in the gaps 221, and the mounting parts 23 are used for closing the gaps 221 during mounting.
In this embodiment, belt bicycle's front sprocket is located the outside of mount 21, belt bicycle's rear sprocket is located two between the mounting bracket 22, so when the installation or change belt chain, specifically wind the one end of belt chain in belt bicycle's front sprocket, then dismantle install in the installed part 23 of breach 221 passes through the other end of belt chain breach 221 is around the rear sprocket in belt bicycle, installs the locking again at last installed part 23 can accomplish the installation or the change of belt chain, reaches the effect that improves belt chain installation effectiveness.
Specifically, the fixing frame 21 and the mounting frame 22 may be triangular frames, wherein one side of the fixing frame 21 and one side of the two mounting frames 22 are a shared side, and the structure of the shared side is a tubular structure for mounting the belt bicycle pedals and the belt bicycle seat cushion.
In this embodiment, front fork truck frame 1 with the material of back fork truck frame 2 is the carbon fiber material, mount 21 is used for installing that the belt bicycle is pedal and belt saddle.
As shown in fig. 2, the mounting bracket 22 includes a lateral support bar 224 and a tilt support bar 225;
the front end of the transverse supporting rod 224 is connected to the lower part of the rear end of the fixing frame 21, and the rear end extends backwards;
the inclined support bar 225 is positioned above the transverse support bar 224;
the front end of the inclined supporting rod 225 is connected to the upper part of the rear end of the fixed frame 21, and the rear end of the inclined supporting rod is obliquely directed to the rear end of the transverse supporting rod 224;
a gap is left between the rear end of the inclined support bar 225 and the rear end of the transverse support bar 224, and the gap is the gap 221.
In this embodiment, the inclined supporting rod 225 and the transverse supporting rod 224 are connected and locked through the mounting part 23, compared with a traditional single-supporting-rod belt bicycle, the structure is more stable and reliable, the vibration of a bicycle body caused by uneven road surface can be reduced, and the effect of improving the stability of a belt bicycle mechanism is achieved. Meanwhile, the notch is formed in the rear ends of the two supporting rods, and the notch does not need to be formed in the middle of each supporting rod, so that the integral structure is more stable.
As shown in fig. 2, the included angle between the transverse support bar 224 and the inclined support bar 225 is 45-60 °.
In this embodiment, when the included angle between the transverse supporting rod 224 and the inclined supporting rod 225 is 45 ° to 60 °, the structure of the mounting bracket 22 is most stable, the bearing capacity is strong, and the mounting bracket is not easily deformed, so as to achieve the effect of improving the structural stability.
As shown in fig. 3, the rear end of the transverse support bar 224 and the rear end of the inclined support bar 225 are respectively provided with a mounting groove 222, the mounting groove 222 is recessed from the inner side to the outer side of the mounting frame 22, and the mounting groove 222 is used for limiting and mounting the mounting member 23.
In this embodiment, the rear ends of the transverse supporting rods 224 and the rear ends of the inclined supporting rods 225 are respectively provided with a mounting groove 222, so that the mounting of the mounting part 23 is facilitated, when the mounting part 23 is mounted, the mounting part 23 can be quickly and accurately located at a mounting position, the mounting grooves 222 can also play a limiting role, the mounting part 23 is limited to move forwards, and the effect of improving the mounting efficiency of the mounting part 23 is achieved.
As shown in fig. 4, the mounting member 23 includes a supporting block 231 and a connecting block 232, the connecting block 232 includes a mounting surface and two vertically symmetrical abutting surfaces, the mounting surface is used for abutting against the groove bottom surface of the mounting groove 222, the abutting surface is used for abutting against the groove wall surface of the mounting groove 222, and the supporting block 231 is protruded from the region where the mounting surface is not abutted against the mounting groove 222;
the supporting block 231 comprises two supporting joint surfaces which are arranged up and down symmetrically, the supporting joint surface positioned above is used for jointing with the tail end surface of the inclined supporting rod, and the supporting joint surface positioned below is used for jointing with the upper end surface of the rear end of the transverse supporting rod;
when the inclined support bar is installed, the support block 231 is disposed in the notch 222, the support block 231 is used for supporting the inclined support bar 225, and the connection block 232 is installed in the installation groove 222.
In this embodiment, the rear wheel mounting shaft of the belt bicycle is installed in the notch 221 and the U-shaped notch 2321, and during installation, specifically, the supporting block 231 of the mounting member 23 is disposed in the notch 221, the connecting block 232 is installed in the mounting groove 222, and the transverse supporting rod 224 supports the inclined supporting rod 225 through the supporting block 231, so that the region of the mounting frame 22 where the notch 221 is formed is not hollowed out, and is deformed by stress, thereby achieving the effect of improving the structural stability of the mounting frame 22.
As shown in fig. 4, the connecting block 232 is provided with a U-shaped notch 2321, an opening of the U-shaped notch 2321 faces to the rear end, and the U-shaped notch 2321 is used for limiting and mounting a rear wheel mounting shaft of the belt bicycle.
In this embodiment, during installation, specifically, the rear wheel mounting shaft of the belt bicycle is installed in the notch 221 and the U-shaped notch 2321, and the rear wheel mounting shaft is installed at the tail end of the U-shaped notch 2321, so that the rear wheel mounting shaft is limited at the tail end of the U-shaped notch 2321, thereby realizing limited installation and achieving the effect of improving the rear wheel installation efficiency.
As shown in fig. 4, the supporting block 231 is opened with an adjusting hole 2311 in the front-rear direction, the adjusting hole 2311 is used for installing an adjusting piece, and the adjusting piece is used for controlling the position distance between the rear wheel and the front wheel of the belt bicycle.
In this embodiment, the regulating part can be adjusting screw set up adjusting screw in regulation hole 2311, through adjusting screw's wrench-in or twist-out, guarantee the installation straightness of rear wheel installation axle, can not make rear wheel installation axle installation crooked, and realize adjusting the position distance of the installation component of belt bicycle rear wheel to can adjust the position distance of belt bicycle rear wheel and running-board pivot hole, the adjustment mode is simple convenient and fast, reaches the effect that improves belt bicycle rear wheel regulating efficiency.
As shown in fig. 3 to 4, the rear end of the transverse supporting rod 224 and the rear end of the inclined supporting rod 225 are respectively provided with a first connecting hole 223, the connecting block 232 is provided with a second connecting hole 2322, the first connecting hole 223 and the second connecting hole 2322 are in one-to-one correspondence, and the mounting block 22 is connected to the connecting block 232 through the first connecting hole 223 and the second connecting hole 2322.
In this embodiment, the first connection hole 223 and the second connection hole 2322 may be threaded holes or through holes, and if the first connection hole 223 and the second connection hole 2322 are threaded holes, screws are used for connection, and if the first connection hole 223 and the second connection hole 2322 are through holes, bolts and nuts are used for connection.
As shown in fig. 3, the first connection hole 223 is opened with a chamfer 2231 that is turned from the outside to the inside, and the chamfer 2231 is used for embedding and hiding the connection screw.
In this embodiment, when the mounting frame 22 and the connecting block 232 are connected, a connecting screw is preferably used for connection, in order to prevent the connecting screw from protruding outside the mounting frame 22 after being mounted, the first connecting hole 223 is provided with a chamfer 2231, and the chamfer 2231 can embed the head of the connecting screw into the chamfer 2231, so as to achieve the effect of improving the flatness and integrity of the mounting frame 22.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a rear fork structure for children's belt bicycle which characterized in that: comprises a front fork truck frame and a rear fork truck frame;
the front forklift frame is used for mounting a front wheel of the belt bicycle; the front end of the rear forklift frame is used for mounting the front forklift frame, and the rear end of the rear forklift frame is used for mounting a rear wheel of the belt bicycle;
the rear forklift frame comprises a fixed frame, a mounting frame and a mounting piece;
the front fork frame is mounted at the front end of the fixing frame, the rear end of the fixing frame is connected to the mounting frames, two mounting frames are arranged, the front ends of the two mounting frames are connected to the rear end of the fixing frame in an acute angle mode, the two mounting frames are symmetrically mounted, and the region between the two mounting frames is used for mounting a rear wheel of a belt bicycle;
the two mounting racks are respectively provided with a notch;
the mounting part is equipped with two, mounting part detachably install in the breach, during the installation, the mounting part is used for sealing the breach.
2. A rear fork structure for a children's belt-type bicycle according to claim 1, wherein: the mounting rack comprises a transverse supporting rod and an inclined supporting rod;
the front end of the transverse supporting rod is connected to the lower part of the rear end of the fixing frame, and the rear end of the transverse supporting rod extends backwards;
the inclined supporting rod is positioned above the transverse supporting rod;
the front end of the inclined supporting rod is connected to the upper part of the rear end of the fixing frame, and the rear end of the inclined supporting rod is obliquely directed to the rear end of the transverse supporting rod;
a gap is reserved between the rear end of the inclined supporting rod and the rear end of the transverse supporting rod, and the gap is the notch.
3. A rear fork structure for a children's belt-type bicycle according to claim 2, wherein: the included angle between the transverse supporting rod and the inclined supporting rod is 45-60 degrees.
4. A rear fork structure for a children's belt-type bicycle according to claim 2, wherein: the rear end of horizontal bracing piece with the rear end of slope bracing piece is equipped with the mounting groove respectively, the mounting groove is followed the inboard of mounting bracket is concave to the outside, the mounting groove is used for spacing installation the installed part.
5. A rear fork structure for a children's belt-type bicycle according to claim 4, wherein: the mounting piece comprises a supporting block and a connecting block, the connecting block comprises a mounting surface and two vertically symmetrical binding surfaces, the mounting surface is used for binding with the bottom surface of the mounting groove, the binding surfaces are used for binding with the wall surface of the mounting groove, and the supporting block is convexly arranged on the mounting surface in a region which is not bound with the mounting groove;
the supporting block comprises two supporting binding surfaces which are arranged up and down symmetrically, the supporting binding surface positioned above is used for binding with the tail end surface of the inclined supporting rod, and the supporting binding surface positioned below is used for binding with the upper end surface of the rear end of the transverse supporting rod;
during installation, the supporting block is arranged in the notch, the supporting block is used for supporting the inclined supporting rod, and the connecting block is arranged in the mounting groove.
6. A rear fork structure for a children's belt-type bicycle according to claim 5, wherein: u type notch has been seted up to the connecting block, the opening of U type notch is towards the rear end, U type notch is used for the rear wheel installation axle of spacing installation belt bicycle.
7. A rear fork structure for a children's belt-type bicycle according to claim 6, wherein: the supporting block is provided with an adjusting hole in the front-rear direction, the adjusting hole is used for installing an adjusting piece, and the adjusting piece is used for controlling the position distance between the rear wheel of the belt bicycle and the rotating shaft hole of the pedal plate.
8. A rear fork structure for a children's belt-type bicycle according to claim 5, wherein: first connecting holes are formed in the rear ends of the transverse supporting rods and the rear ends of the inclined supporting rods respectively, second connecting holes are formed in the connecting blocks and correspond to the first connecting holes in a one-to-one mode, and the mounting frame is connected to the connecting blocks through the first connecting holes and the second connecting holes.
9. A rear fork structure for a children's belt-type bicycle according to claim 8, wherein: the first connecting hole is provided with a chamfer which is turned from the outer side to the inner side, and the chamfer is used for embedding and hiding the connecting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120073996.4U CN214216031U (en) | 2021-01-12 | 2021-01-12 | Rear fork structure for children belt bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120073996.4U CN214216031U (en) | 2021-01-12 | 2021-01-12 | Rear fork structure for children belt bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214216031U true CN214216031U (en) | 2021-09-17 |
Family
ID=77689408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120073996.4U Active CN214216031U (en) | 2021-01-12 | 2021-01-12 | Rear fork structure for children belt bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214216031U (en) |
-
2021
- 2021-01-12 CN CN202120073996.4U patent/CN214216031U/en active Active
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