M413632 V. New description: [New technical field] The creation department is related to a bicycle seat cushion, especially a seat tube device structure that can be offset back and forth and adjusted. [Prior Art] The most basic functions of the commonly used bicycle seat cushions, in addition to the upper and lower telescopic adjustment heights, are suitable for users of different heights, and the seat cushions have the function of angle-trimming angles, which allows the user to adjust the optimal seat. The posture is ergonomic and the most comfortable seating position; the distance between the handle of the side style bicycle and the seat cushion is the same, so users of different heights and body types will have different influences, especially those with short stature. The body must lean forward, and the long-term posture of the ride will definitely affect the backache of the backache, so the bicycle has not yet reached the goal of fitness but attracted the fatigue of the body. The seat cushions of the bicycles can be adjusted up and down by the seat tube, and some seat tube bases are provided with an adjustable seat angle design, and some are provided with a seat cushion for the front and rear offset adjustment design. There is no bicycle seat tube structure design with these two adjustable seat cushions on the market, which is very inconvenient for the user and cannot provide a variety of comfortable and comfortable seating space. [New content] The main purpose of this creation is to provide a structure of the official device that can be offset from front to back and adjusted to the angle. The main purpose is to provide a long and narrow body on the base of the top of the bicycle seat tube. The utility model is provided with a long and long slot, the base is provided for a saddle spanning combination, and the saddle is recessed on both sides with a curved chute and a top cover and an arcuate bearing seat to provide a pendulum wire combination. With the camouflage under the clip 3 M413632 body 'with at least one or more of the gripping arms composing a 塾 0 and by the composition of the above components, the use of the angle seat cushion is used, by the sitting position. [Embodiment] With regard to the structure and characteristics of this creation, the details will be explained in conjunction with the drawings.
= Refer to the figure -~3, 'The seat tube device structure of the front and back offset and the angle of the creation includes: - base H) 'The bottom of the base 1Q is connected - the seat tube u, the base 1 The top surface of the dome is formed into a long and narrow shape, and a long slot 12 is formed on the top surface of the base 1Q. The saddle 20' is provided with a long groove 21 at the bottom thereof, and a saddle edge 22 is formed on both sides, and is spanned. On the narrow body of the top surface of the base 1G, it can be used for front and rear sliding
The clamping group structure can be clamped. The writing body does have front and rear offset and can provide the rider with the best degree of freedom. The saddle 20 is concavely provided with curved chutes 23 on both sides, the saddle 2 The top of the mask is located in the arc county seat 24. The front and rear ports of the saddle 2G and the long slot 12 corresponding to the base 1 are provided with a long slot π 25 for the bolt 4 () to pass through the bottom of the base money; 30' includes a swinging seat 31 and at least one or more clamping arms 32. The swinging seat 31 is provided with arc-shaped wheel seats 311 on both sides thereof, and the wheel bases 3 ιι "the arc of the saddle 20" Corresponding to the socket, and the degree of freedom of the lateral direction is mutually restricted. The wheel base 311 is connected to the base 312. The bottom of the connection base 312 is also arc-shaped and curved with the saddle 20 Block 24 pairs 4 = 'Brazil = Swinging seat 31 Two gifts are extended with a curved groove under the cool body 313, Park ", Qiu-Jian 321, Wei (four) on both sides of the 322 It is in the shape of an arc with the upper part of the miscellaneous pieces. Please refer to the five-riding indication. The combination of the original and the seat cushion 50 is made by the clamping group 3G and the bottom of the 5G. 51 lock combination The support rod 51 is placed under the clamp 31 in the clamp -3. The clamp body on the end of the clamp arm 32 is fixed by the screwing of the thread and the bottom is not tightened. The seat cushion is 5〇. The sixth figure shows the schematic diagram of the front and back offset adjustment of the creation, which can be used to adjust the different angles of the knees for different body rides. 2〇 can be slid back and forth, and the free movement distance can be adjusted within the limit range of the long groove 12 of the base 1 and then the screw 40 can be locked. The offset of the seat cushion 50 can be easily adjusted. The seventh figure shows a schematic diagram of the angle of the creation of the present figure, so that the person S of different body can ride, and the fine adjustment of the screw is used to make the pendulum The seat 31 and the saddle 20 are in a loose state. The user can directly swing the seat cushion 50 to adjust the angle of the seat cushion to a proper position to meet the needs of people of different sizes to achieve the purpose of comfortable riding. In summary, the adjustment of the back offset or the cushion angle before and after the creation is not simple and fast. 'The structure of the locking structure is very strong', the safety of use is high, the innovation is innovative and the value of the real thing is changed, and the application requirements of the new paste are applied in accordance with the law. However, the above mentioned one is only one of the creations. It is better to use the example. _ 凡 凡 凡 凡 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The second picture is a three-dimensional combination of the creation. The second picture is a sectional view of the combination of the creation. The fourth picture is a schematic diagram of the combination of the creation and the seat cushion. The fifth picture is a schematic diagram of the combination before the creation. Schematic diagram of the offset adjustment before and after the creation of the gap. The seventh figure is a schematic diagram of the angle of the creation of the creation. [Main component symbol description] 10 base 11 seat tube 12 long groove 20 saddle 21 long groove with saddle edge 23 arc chute 24 curved seat 25 long slot 30 clamping group 31 swing 311 wheel seat 312 Connecting base 313 lower body 32 clamping arm 321 nut 322 extension arm 40 bolt 323 upper body 6