CN212187745U - Chassis of roller skate - Google Patents
Chassis of roller skate Download PDFInfo
- Publication number
- CN212187745U CN212187745U CN202020421930.5U CN202020421930U CN212187745U CN 212187745 U CN212187745 U CN 212187745U CN 202020421930 U CN202020421930 U CN 202020421930U CN 212187745 U CN212187745 U CN 212187745U
- Authority
- CN
- China
- Prior art keywords
- support arm
- mounting hole
- axle mounting
- wheel axle
- mounting holes
- 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
Links
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
Images
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The utility model discloses a roller skate underframe, which comprises a bracket body and a base station arranged at the top end of the rear side of the bracket body, wherein the lower side of the bracket body is respectively provided with a front support arm, a middle support arm and a rear support arm, the rear support arm is provided with two wheel axle mounting holes, the middle support arm and the front support arm are respectively provided with a wheel axle mounting hole, the diameters of all the wheel axle mounting holes are the same and are positioned on the same horizontal line, the middle support arm is also provided with an additional mounting hole positioned below the wheel axle mounting hole, the inner diameter of the additional mounting hole is the same as that of the wheel axle mounting hole, the additional mounting hole and the wheel axle mounting hole form a kidney-shaped hole, the additional mounting hole is internally provided with an eccentric screw which consists of a circular nut, a boss eccentrically mounted on the nut upwards and a circular eccentric shaft eccentrically mounted on the boss downwards, the section of the boss is matched with the waist-shaped hole, and the eccentric shaft is provided with an upward eccentric fixed shaft head; the utility model discloses can switch between speed skidding tricycle and speed pile tricycle fast.
Description
Technical Field
The utility model belongs to the technical field of sports goods, concretely relates to have multi-functional roller skate underframe of speed skidding and speed punishment function concurrently.
Background
As the roller skating enters the project of the sub-fortune meeting, the roller skating in China is also continuously developed, the roller skating follows the foot of the era from the first national roller skating tournament to the holding of the sub-fortune meeting in China, and the roller skating has higher requirements on the aspects of roller skating technology, equipment and material selection along with the continuous departure of the national policies on the roller skating.
The speed skidding is that the maximum speed is reached within a certain time or distance through straight running, curve running and the like, and the speed pile crossing is that the pile passes by a row of piles in a single-foot mode at the fastest speed among a fixed number of standard pile pitches.
The existing speed roller skating and speed piling needs to use different roller skating shoes respectively, at least two pairs of shoes need to be prepared during roller skating project training and competition, and the use cost is greatly improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a multifunctional roller skate underframe that can switch between speed roller skate and the speed function of piling is provided.
The utility model provides a technical scheme that its technical problem adopted is: an underframe of a roller skate comprises a support body with a hollow structure and a base station arranged at the top end of the rear side of the support body, wherein a mounting long hole is formed in the base station, a front support arm and a rear support arm which extend forwards and backwards are respectively arranged at the lower side of the support body, a middle support arm is arranged between the front support arm and the rear support arm, two wheel shaft mounting holes are formed in the rear support arm, wheel shaft mounting holes are respectively formed in the middle support arm and the front support arm, the diameters of all the wheel shaft mounting holes are the same, the axes of all the wheel shaft mounting holes are located on the same horizontal line and used for mounting a pulley through a common wheel shaft, an additional mounting hole located below the wheel shaft mounting hole is further formed in the middle support arm, the inner diameter of the additional mounting hole is the same as that of the wheel shaft mounting hole, a waist-shaped hole is formed by the additional mounting hole and the wheel shaft, The eccentric shaft is provided with a fixed shaft head which is eccentric upwards.
According to the chassis of the roller skate, the front side and the rear side of each support arm are respectively provided with the auxiliary support arms, and the auxiliary support arms are respectively provided with the wheel shaft mounting holes.
The chassis of the roller skate is characterized in that the front support arm of the chassis is provided with an additional mounting hole positioned above the wheel shaft mounting hole, and the additional mounting hole and the wheel shaft mounting hole form a waist-shaped hole.
The back support arm of the bottom frame of the roller skate is provided with an additional mounting hole positioned above one wheel axle mounting hole, and the additional mounting hole and the wheel axle mounting hole form a waist-shaped hole.
The additional mounting hole of the chassis of the roller skate is positioned above the wheel axle mounting hole at the front side.
The utility model has the advantages that: when the three-wheel speed skating device is used, the wheel is arranged on the wheel shaft mounting holes on the rear sides of the front support arm, the middle support arm and the rear support arm, and then the three wheels are on the same horizontal line, namely the three wheels of speed skating; when the wheels on the rear supporting arm are forwards arranged on the wheel shaft mounting holes on the front side, the eccentric screws in the waist-shaped holes are turned over by 180 degrees, and the wheels on the middle supporting arm are downwards arranged in the additional mounting holes, the height of the wheels at the position is reduced, and the three-wheel pile-driving device becomes a three-wheel pile-driving device; the purpose of training and competition of a plurality of roller skating items can be achieved through function adjustment, and the speed roller skating four-wheel and the speed piling four-wheel can be further switched.
Drawings
FIG. 1 is a schematic view of the present invention as a three-wheel speed roller skate;
FIG. 2 is a schematic view of the present invention as a three-wheel device for holding a pile;
FIG. 3 is a schematic structural view of the eccentric screw of the present invention;
FIG. 4 is a schematic view of the present invention as a speed roller skate;
figure 5 the present invention is a schematic view of four wheels of the speedometer.
The figures are numbered: 10-middle support arm, 11-rear support arm, 12-front support arm, 13-base, 14-auxiliary support arm, 21-wheel axle mounting hole, 22-additional mounting hole, 31-nut, 32-eccentric shaft, 33-boss and 34-fixed shaft head.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model discloses a roller skate chassis, including hollow out construction's support body and the base station 13 of setting on support body rear side top, wherein the support body cross-section is "pi" font, can be bent by the monoblock metal sheet and form, has seted up the installation slot hole on the base station 13 for with last shoes fastening connection, can set up the prong on base station 13, make support prong and sole prong finely tune and anti-skidding about going on, avoid support and last shoes to produce relative movement. The lower side of the bracket body is respectively provided with a front support arm 12 and a rear support arm 11 which extend forwards and backwards, a middle support arm 10 is arranged between the front support arm 12 and the rear support arm 11, the rear support arm 11 is provided with two axle mounting holes 21, the axle centers are 19mm apart, the middle support arm 10 and the front support arm 12 are respectively provided with an axle mounting hole 21, the axle centers are 131mm apart, the axle center of the axle mounting hole 21 on the middle support arm 10 is 131mm apart from the axle center of the axle mounting hole 21 on the rear side of the rear support arm 11, all the axle mounting holes 21 have the same aperture and are positioned on the same horizontal line and are used for mounting a pulley through a common axle, the middle support arm 10 is also provided with an additional mounting hole 22 positioned below the axle mounting hole 21, the inner diameter of the additional mounting hole 22 is the same as that of the axle mounting hole 21, the additional mounting hole 22 and the axle mounting hole 21 form a kidney-shaped hole, and the distance between the additional mounting hole 22 and the, the waist-shaped hole is internally provided with an eccentric screw. As shown in fig. 3, the eccentric screw is composed of a circular nut 31, a boss 33 eccentrically installed upward on the nut 31, and a circular eccentric shaft 32 eccentrically installed downward on the boss 33, the boss 33 has a cross section matched with the kidney-shaped hole so that the eccentric screw can be inserted into the kidney-shaped hole even when it is turned over 180 °, but the axis of the eccentric shaft 32 is different by 2mm in both states, and the eccentric shaft 32 is provided with an upwardly eccentric fixing shaft head 34.
Fig. 1 shows the speed roller skating three wheels, when the wheels are all installed and the wheel of the rear arm 11 is installed on the wheel axle installation hole 21 at the rear side (the wheel shown by the solid line in the figure), the distance between the first wheel and the second wheel is 131mm, the distance between the second wheel and the third wheel is 131mm, and the three wheels are on the same horizontal line, so that the speed roller skating three wheels are adopted.
When the wheels on the rear arm 11 move forward by 19mm and are mounted in the front axle mounting holes 21 (the wheels shown by solid lines), the eccentric screws in the kidney holes are turned over by 180 degrees, and after the wheels on the middle arm 10 move downward by 2mm and are mounted in the additional mounting holes 22 (the wheels shown by solid lines), the height of the wheels is reduced by 2mm, and the three-wheel speed piling device shown in fig. 2 is changed.
Further, as shown in fig. 4, the front side and the rear side of the middle support arm 10 are respectively provided with an auxiliary support arm 14, the auxiliary support arm 14 is respectively provided with a wheel axle mounting hole 21, the distance between the front wheel axle mounting hole 21 and the waist-shaped hole axle center on the middle support arm 10 is respectively 50mm and 31mm, the wheel axle mounting holes 21 have the same aperture and the axle centers are located on the same horizontal line, at this time, when four wheels that are changed into small wheels from large wheels to small wheels are respectively mounted on the front wheel axle mounting hole 21 of the front support arm 12, the two auxiliary support arms 14 and the rear support arm 11, when the distance between the first wheel and the second wheel is 81mm, the distance between the second wheel and the third wheel is 81mm, the distance between the third wheel and the fourth wheel is 81mm, and the four wheels are on the same horizontal line, at this time, the four wheels are four wheels with a speed skidding function.
As shown in fig. 5, the front arm 12 is provided with an additional mounting hole 22 located above the axle mounting hole 21, the additional mounting hole 22 and the axle mounting hole 21 form a kidney-shaped hole, the rear arm 11 is provided with an additional mounting hole 22 located above one of the axle mounting holes 21, the additional mounting hole 22 and the axle mounting hole 21 form a kidney-shaped hole, and the additional mounting hole 22 is located above the axle mounting hole 21 on the front side. After the wheels of the first wheel (on the front support arm 12) and the fourth wheel (on the rear support arm 11) move upwards by 2mm and are installed in the additional installation hole 22, the wheels at the two positions are lifted by 2mm and suspended, and the four wheels with the flat ground fancy function for the speed-through pile are adopted, and the speed wheels can slide through the pile due to the fact that the first wheel is not fixed.
The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the inventive concept of the present invention, and these embodiments are within the scope of the present invention.
Claims (5)
1. A skate chassis, comprising: the support comprises a support body with a hollow structure and a base platform (13) arranged at the top end of the rear side of the support body, wherein a mounting long hole is formed in the base platform (13), a front support arm (12) and a rear support arm (11) which extend in the front-rear direction are respectively arranged at the lower side of the support body, a middle support arm (10) is arranged between the front support arm (12) and the rear support arm (11), two wheel axle mounting holes (21) are formed in the rear support arm (11), the middle support arm (10) and the front support arm (12) are respectively provided with a wheel axle mounting hole (21), the diameters of all the wheel axle mounting holes (21) are the same and are positioned on the same horizontal line, an additional mounting hole (22) positioned below the wheel axle mounting hole (21) is further formed in the middle support arm (10), the inner diameter of the additional mounting hole (22) is the same as that of the wheel axle mounting hole (21), and the additional mounting hole (22) and the wheel, the waist-shaped hole is internally provided with an eccentric screw, the eccentric screw consists of a screw cap (31), a boss (33) eccentrically installed on the screw cap (31) and an eccentric shaft (32) eccentrically installed on the boss (33), and the section of the boss (33) is the same as that of the waist-shaped hole.
2. The chassis of roller skates according to claim 1, wherein the front and rear sides of the middle arm (10) are respectively provided with auxiliary arms (14), and the auxiliary arms (14) are respectively provided with axle mounting holes (21).
3. A skate chassis according to claim 1 or 2 characterized in that said front arm (12) is provided with additional mounting holes (22) above said axle mounting holes (21), said additional mounting holes (22) forming kidney-shaped holes with said axle mounting holes (21).
4. A skate chassis according to claim 3 characterized in that said rear arm (11) is provided with an additional mounting hole (22) above one of said axle mounting holes (21), said additional mounting hole (22) forming a kidney-shaped hole with said axle mounting hole (21).
5. A skate chassis according to claim 4 characterized in that said additional mounting holes (22) are located above the axle mounting holes (21) on the front side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020421930.5U CN212187745U (en) | 2020-03-28 | 2020-03-28 | Chassis of roller skate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020421930.5U CN212187745U (en) | 2020-03-28 | 2020-03-28 | Chassis of roller skate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212187745U true CN212187745U (en) | 2020-12-22 |
Family
ID=73825791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020421930.5U Expired - Fee Related CN212187745U (en) | 2020-03-28 | 2020-03-28 | Chassis of roller skate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212187745U (en) |
-
2020
- 2020-03-28 CN CN202020421930.5U patent/CN212187745U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212187745U (en) | Chassis of roller skate | |
| CN207792501U (en) | A kind of slope operation high pedestal jib crane | |
| CN202703748U (en) | Assistant type central support of pedal motorcycle | |
| CN202860000U (en) | Mechanical treadmill | |
| CN206856882U (en) | A kind of three-wheel scooter | |
| CN215669161U (en) | Warning pile boosting device | |
| CN209581673U (en) | A kind of fixed device of public bicycles anti-rollover | |
| CN215043221U (en) | Wheel-track conversion movement device | |
| CN205150041U (en) | Stable jiffy stand of handlebar | |
| CN219312907U (en) | Walking robot | |
| CN206437101U (en) | A kind of bicycle fixes anti-skidding heel brace | |
| CN219749977U (en) | Multifunctional agricultural crawler chassis | |
| CN220397420U (en) | Port and channel pilot guide lamp | |
| CN204749774U (en) | Cross -country load transport vechicle in mountain region | |
| CN205042092U (en) | Transport mechanism | |
| CN213384557U (en) | Wheel track adjusting mechanism | |
| CN217022106U (en) | Lightweight bus independent suspension | |
| CN215759091U (en) | Construction equipment is strutted to discontinuous multistage slope overall process | |
| CN218712323U (en) | Guide board for highway construction | |
| CN219116414U (en) | Auxiliary wheel mechanism for preventing shuttle from tipping | |
| CN211995942U (en) | Auxiliary wheel for children's bicycle | |
| CN215285152U (en) | Hand-operated movable three-wheeled scooter | |
| CN218967090U (en) | Pedal mounting structure for electric bicycle | |
| CN218967073U (en) | Double-support car support device | |
| CN211417225U (en) | Vehicle head support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |