Bicycle seat assembly jig

Abstract

The utility model discloses a bicycle seat assembly jig, comprising a seat positioning seat, a support block, a support block bracket and an angle measuring device. The seat positioning seat is provided with a seat positioning groove on the upper side, the seat can be placed in the seat positioning groove in a stopped manner, and the sitting surface of the seat is flat against the bottom surface of the seat positioning groove, the support block bracket is fixedly arranged on one side of the seat positioning seat, the support block can be rotatably installed on the support block bracket around a rotating shaft parallel to the bottom surface of the seat positioning groove, the seat rod of the seat can be flat against the surface of the support block, and the angle measuring device can detect and display the rotation angle of the support block. The utility model realizes rapid assembly of the seat and the seat rod, and can ensure that the sitting surfaces of the seats of bicycles of different models remain parallel to the ground.

Description

Technical Field

[0001] The utility model relates to bicycle manufacturing auxiliary equipment, in particular to a bicycle seat cushion assembly jig. Background Art

[0002] When assembling a bicycle seat and a bicycle seat rod, it is necessary to adjust the inclination angle of the seat rod according to the angle of different bicycle frame tubes, so as to ensure that after the bicycle seat is assembled on the bicycle, the sitting surface of the seat remains parallel to the ground, so as to avoid the rider from leaning forward or sliding backward due to the seat being not parallel to the ground after sitting on the seat, causing trouble to riding. Currently, when assembling the seat rod of a bicycle seat with the seat, the seat rod is first assembled to the seat, and then the screws are not tightened, and then an online measurement is manually performed using a protractor. After adjusting the angle of the seat rod, the screws of the seat rod and the seat are locked. This method of assembling the seat and the seat rod leads to a very low efficiency in the assembly of the seat, and it is difficult to ensure that the seat is completely parallel to the ground after the seat rod and the seat are locked. Summary of the invention

[0003] In order to make up for the above deficiencies, the utility model provides a bicycle seat assembly jig, which can realize high-precision and high-efficiency assembly of a bicycle seat and a seat rod.

[0004] The utility model adopts the following technical solution to solve the technical problem: a bicycle seat assembly jig, comprising a seat positioning seat, a support block, a support block bracket and a rotation angle measuring device, wherein a seat positioning groove is provided on the upper side of the seat positioning seat, the seat cushion can be placed in the seat positioning groove in a stop manner, and the seating surface of the seat cushion is flat against the bottom surface of the seat positioning groove, the support block bracket is fixedly arranged on one side of the seat positioning seat, the support block can be rotatably installed on the support block bracket around a rotating shaft parallel to the bottom surface of the seat positioning groove, the seat rod of the seat cushion can be flat against the surface of the support block, and the rotation angle measuring device can detect and display the rotation angle of the support block.

[0005] As a further improvement of the present invention, the angle measuring device includes an encoder and a display. The encoder is fixedly mounted on the support block bracket. The encoder can detect the support block angle. The encoder and the display are electrically connected and communicated. The display can display the support block rotation angle detected by the encoder.

[0006] As a further improvement of the present invention, an angle limit seat is further provided, wherein a rotating shaft is provided on one end of the angle limit seat, and a stop plate with an outwardly expanded diameter is formed on the other end of the angle limit seat, an axial hole is provided on the support block bracket, and the rotating shaft of the angle limit seat can be rotatably inserted in the axial hole of the support block bracket, and the stop plate is stopped on one side surface of the support block bracket, and an arc hole is provided on the stop plate, and a limit screw is slidably inserted in the arc hole, and the limit screw is threadedly connected and fixed to the support block bracket, and the limit screw can fix the stop plate and the support block bracket in position, and the stop plate is provided with a support block slot, and the support block can be fixedly inserted on the stop plate.

[0007] As a further improvement of the utility model, a coupling is also provided, and the coupling coaxially connects the rotating shaft of the encoder and the rotating angle limit seat.

[0008] As a further improvement of the utility model, an encoder fixing frame is fixedly provided on the other side of the block bracket, the encoder is fixedly mounted on the encoder fixing frame, an encoder protection cover is also fixedly provided on the encoder fixing frame, and the encoder protection cover covers the outside of the encoder and the coupling.

[0009] As a further improvement of the utility model, the lean block is provided with a first elongated adjustment slot extending horizontally, and is also provided with an adjustment block and a seat cushion rod support block. The first elongated adjustment slot on the lean block is slidably inserted with a first connecting screw, and the first connecting screw can be fixedly connected to the adjustment block, and the first connecting screw can fix the adjustment block to different positions on the lean block along the extension direction of the first elongated adjustment slot. The adjusting block is provided with a second elongated adjustment slot perpendicular to the first elongated adjustment slot, and the second elongated adjustment slot is slidably inserted with a second connecting screw, and the second connecting screw can be fixedly connected to the seat cushion rod support block, and the second connecting screw can fix the seat cushion rod support block to different positions on the adjustment block along the extension direction of the second elongated adjustment slot, and the seat cushion rod support block is formed with an arc-shaped columnar fitting surface for the circumferential outer surface of the seat cushion rod to be flatly attached.

[0010] As a further improvement of the utility model, a straight slide parallel to the second long strip adjustment groove is formed on the adjustment block, and the seat cushion rod support block can be slidably inserted in the straight slide, and a seat cushion rod end stop wall is formed on the upper end of the seat cushion rod support block, and the end face of the seat cushion rod facing away from the seat cushion is stopped on the seat cushion rod end stop wall.

[0011] As a further improvement of the present invention, the seat cushion positioning seat is a flat structure, and a left positioning block, a right positioning block and a front positioning block are fixedly installed on the seat cushion positioning seat. The left positioning block and the right positioning block can respectively cling to the left and right side surfaces of the seat cushion, and the front positioning block can cling to the front end surface of the seat cushion.

[0012] As a further improvement of the present invention, the surfaces of the left positioning block and the right positioning block respectively form convex arc surfaces matching the left and right shapes of the seat cushion, and the front positioning block is formed with a V-shaped contact surface matching the front end of the seat cushion.

[0013] As a further improvement of the utility model, the left positioning block and the right positioning block are respectively formed with a third long strip adjustment groove extending along the left and right direction of the seat cushion, and the front positioning block is provided with a fourth long strip adjustment groove extending along the front and rear of the seat cushion, and positioning screws are respectively slidably inserted into the third long strip adjustment groove and the fourth second long strip adjustment groove, and the positioning screws are threadedly connected to the seat cushion positioning seat, and the positioning screws can fix the left positioning block, the right positioning block and the front positioning block on the seat cushion positioning seat.

[0014] The beneficial technical effect of the utility model is that the utility model can adjust the inclination angle of the backrest block according to the inclination angle of the frame tube of the bicycle. When the bicycle seat and the seat rod are assembled, the sitting surface of the seat is flat on the ground of the seat positioning groove of the seat positioning seat, and the seat rod is against the backrest block. In this way, the inclination angle of the seat rod and the sitting surface of the seat is guaranteed. After assembling it on the bicycle, it can ensure that the sitting surface of the seat is parallel to the ground with high precision, and ensure that the user will not slide forward and backward when riding, which is conducive to ensuring the riding comfort of the user. The fixture realizes rapid assembly of the seat and the seat rod, and there is no need to repeatedly measure the angle between the seat and the seat rod during the assembly process. The inclination angle of the backrest block can be accurately adjusted according to different bicycle models, thereby ensuring that the sitting surface of the seat of bicycles of different models is parallel to the ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 It is a top view of the utility model;

[0018] Figure 4 It is a right view of the utility model;

[0019] Figure 5 It is a rear view of the utility model. DETAILED DESCRIPTION

[0020] Embodiment: A bicycle seat assembly jig comprises a seat positioning seat 1, a support block 2, a support block bracket 3 and an angle measuring device, wherein the seat positioning seat 1 is provided with a seat positioning groove on the upper side, the seat cushion 4 can be placed in the seat positioning groove in a fixed manner, and the seating surface of the seat cushion 4 is flat against the bottom surface of the seat positioning groove, the support block bracket 3 is fixedly arranged on one side of the seat positioning seat 1, the support block 2 can be rotatably installed on the support block bracket 3 around a rotating axis parallel to the bottom surface of the seat positioning groove, the seat rod 5 of the seat cushion 4 can be flat against the surface of the support block 2, and the angle measuring device can detect and display the rotation angle of the support block 2.

[0021] When assembling the bicycle seat 4 and the seat rod 5, first adjust the angle of the support block 2 according to the bicycle model. It is common to require that the angle between the seat 4 and the seat rod 5 is 72°. At this time, adjust the contact surface of the support block 2 to 72° with the horizontal plane. Then, the seat cushion 4 is fixedly positioned in the seat cushion positioning groove of the seat cushion positioning seat 1, and then the connecting end of the seat cushion rod 5 is placed on the inner side of the seat cushion 4, and the side wall of the seat cushion rod 5 is abutted against the abutment surface of the backrest block 2. At this time, the seat cushion rod 5 and the seat cushion 4 maintain an angle of 72° with the seating surface of the seat cushion 4. At this time, the seat cushion rod 5 and the seat cushion 4 can be locked. After the assembly is completed, the angle between the seat cushion rod 5 and the seating surface of the seat cushion 4 is 72°. At this time, after the seat cushion rod 5 is inserted into the frame tube of the bicycle, the seating plane of the seat cushion 4 is just kept parallel to the ground. The above-mentioned fixture can fully ensure that the seating plane of the seat cushion 4 is kept parallel to the ground after being installed on the frame of the bicycle, and avoids the need to measure with a protractor all the time when assembling the seat and the seat cushion rod 5, which greatly improves the assembly efficiency of the seat cushion 4 and the seat cushion rod 5. The inclination angle of the backrest block 2 can also be adjusted according to bicycles of different specifications, so as to achieve accurate assembly of bicycle seats 4 and seat cushion rods 5 of different specifications.

[0022] The rotation angle measuring device includes an encoder 6 and a display 7. The encoder 6 is fixedly mounted on the support block bracket 3. The encoder 6 can detect the rotation angle of the support block 2. The encoder 6 is electrically connected and communicated with the display 7. The display 7 can display the rotation angle of the support block 2 detected by the encoder 6. The rotation angle of the support block 2 is detected by the encoder 6, and the detected angle is converted into the angle between the contact surface of the support block 2 and the bottom surface of the seat cushion positioning groove, which is displayed by the display 7, so that the workers can clearly grasp the angle between the seat cushion rod 5 and the seat surface of the seat cushion after assembly to avoid mistakes.

[0023] A rotation angle limit seat 8 is also provided, one end of which is provided with a rotating shaft, and the other end of which is formed with a stopper plate with an outwardly expanded diameter. The support block bracket 3 is provided with an axial hole, and the rotation shaft of the rotation angle limit seat 8 can be rotatably inserted into the axial hole of the support block bracket 3, and the stopper plate is stopped on the side surface of the support block bracket 3. The stopper plate is provided with an arc hole 9, and a limit screw can be slidably inserted into the arc hole 9. The limit screw is threadedly connected and fixed with the support block bracket 3, and the limit screw can fix the stopper plate and the support block bracket 3. The stopper plate is provided with a support block 2 slot, and the support block 2 can be fixedly inserted on the stopper plate. The support block 2 with an adjusted angle is fixedly positioned by the rotation angle limit seat 8 to prevent the support block 2 from changing due to external forces after the adjustment of the support angle, and effectively ensure that the support block 2 maintains a stable support state and a stable support angle during the assembly process of the vehicle seat and the cushion rod 5.

[0024] A coupling 10 is also provided, and the coupling 10 coaxially connects the encoder 6 and the rotating shaft of the angle limiting seat 8.

[0025] An encoder fixing frame 11 is fixedly provided on the other side of the support block bracket 3, and the encoder 6 is fixedly mounted on the encoder fixing frame 11. An encoder 6 protection cover is also fixedly provided on the encoder fixing frame 11, and the encoder 6 protection cover covers the outside of the encoder 6 and the coupling 10. The encoder 6 protection cover is used to protect the encoder 6 and the coupling 10, and prevent the encoder 6 from being damaged by collision during the assembly process of the vehicle seat and the vehicle seat rod.

[0026] The lean block 2 is provided with a horizontally extending first elongated adjustment slot 13, and is also provided with an adjustment block 14 and a seat rod support block 15. A first connecting screw can be slidably inserted into the first elongated adjustment slot 13 on the lean block 2, and the first connecting screw can be fixedly connected to the adjusting block 14. The first connecting screw can fix the adjusting block 14 to different positions on the lean block 2 along the extension direction of the first elongated adjustment slot 13. The adjusting block 14 is provided with a second elongated adjustment slot perpendicular to the first elongated adjustment slot 13, and a second connecting screw can be slidably inserted into the second elongated adjustment slot, and the second connecting screw can be fixedly connected to the seat rod support block 15. The second connecting screw can fix the seat rod support block 15 to different positions on the adjusting block 14 along the extension direction of the second elongated adjustment slot, and the seat rod support block 15 is formed with an arc-shaped columnar fitting surface for the circumferential outer surface of the seat rod 5 to be flatly attached. By adjusting the position of the seat cushion rod 5 along the first long strip adjustment groove 13 on the backrest block 2 through the adjustment block 14 and adjusting the position of the seat cushion rod 5 along the second long strip adjustment groove on the adjustment block 14 through the seat cushion rod support block 15, the seat cushion rod 5 can adapt to the assembly of seat cushions of different specifications and sizes, and can also adapt to the assembly of seat cushion rods 5 of different lengths.

[0027] The adjustment block 14 is also formed with a linear slide 12 parallel to the second long strip adjustment groove, and the seat cushion rod support block 15 can be slidably inserted in the linear slide 12, and the upper end of the seat cushion rod support block 15 is formed with an end stop wall of the seat cushion rod 5, and the end face of the seat cushion rod 5 facing away from the seat cushion is stopped on the end stop wall of the seat cushion rod 5.

[0028] The cushion positioning seat 1 is a flat plate structure, and a left positioning block 18, a right positioning block 19 and a front positioning block 20 are fixedly installed on the cushion positioning seat 1. The left positioning block 18 and the right positioning block 19 can be close to the left and right side surfaces of the cushion respectively, and the front positioning block 20 can be close to the front end surface of the cushion. The upper plane of the cushion forms a reference plane for fitting and positioning the seating surface of the cushion. The left positioning block 18, the right positioning block 19 and the front positioning block 20 are respectively fitted with the left side, the right side and the front end surface of the cushion, thereby accurately positioning the cushion so that the cushion can maintain a stable position during assembly. In addition, a groove matching the shape of the cushion can also be formed on the cushion positioning seat 1, and the cushion can be placed in this groove for positioning. This is an equivalent replacement structure that can be easily thought of by a person skilled in the art based on this patent.

[0029] The surfaces of the left positioning block 18 and the right positioning block 19 are respectively formed with convex arc surfaces 16 matching the left and right shapes of the seat cushion, and the front positioning block 20 is formed with a V-shaped contact surface 17 matching the front end of the seat cushion.

[0030] The left positioning block 18 and the right positioning block 19 are respectively formed with a third long strip adjustment slot 21 extending in the left and right direction of the seat cushion, and the front positioning block 20 is provided with a fourth long strip adjustment slot 22 extending in the front and rear of the seat cushion. Positioning screws are slidably inserted in the third long strip adjustment slot 21 and the fourth second long strip adjustment slot, respectively. The positioning screws are threadedly connected to the seat cushion positioning seat 1, and the positioning screws can fix the left positioning block 18, the right positioning block 19 and the front positioning block 20 on the seat cushion positioning seat 1. The left positioning block 18, the right positioning block 19 and the front positioning block 20 are slid to adapt to the positioning of seat cushions of different specifications and sizes, and then adapt to the assembly of seat cushions of different specifications.

Claims

1. A bicycle seat assembly jig, characterized by: The invention comprises a seat cushion positioning seat (1), a support block (2), a support block bracket (3) and a rotation angle measuring device. The seat cushion positioning seat is provided with a seat cushion positioning groove on the upper side. The seat cushion (4) can be placed in the seat cushion positioning groove in a fixed manner, and the seating surface of the seat cushion is flat against the bottom surface of the seat cushion positioning groove. The support block bracket is fixedly arranged on one side of the seat cushion positioning seat. The support block can be rotatably mounted on the support block bracket around a rotation axis parallel to the bottom surface of the seat cushion positioning groove. The seat cushion rod (5) of the seat cushion can be flat against the surface of the support block. The rotation angle measuring device can detect and display the rotation angle of the support block.

2. The bicycle seat assembly jig according to claim 1, characterized in that: The rotation angle measuring device comprises an encoder (6) and a display (7), wherein the encoder is fixedly mounted on a support block bracket, the encoder can detect the rotation angle of the support block, the encoder is electrically connected and communicated with the display, and the display can display the rotation angle of the support block detected by the encoder.

3. The bicycle seat assembly jig according to claim 2, characterized in that: A rotation angle limit seat (8) is also provided, one end of the rotation angle limit seat is provided with a rotating shaft, and the other end of the rotation angle limit seat forms a stop plate with an outwardly expanded diameter, the support block bracket is provided with an axial hole, the rotation shaft of the rotation angle limit seat can be rotatably inserted in the axial hole of the support block bracket, the stop plate is stopped on the side surface of the support block bracket, the stop plate is provided with an arc hole (9), a limit screw is slidably inserted in the arc hole, the limit screw is threadedly connected and fixed to the support block bracket, the limit screw can fix the stop plate and the support block bracket in position, the stop plate is provided with a support block slot, and the support block can be fixedly inserted on the stop plate.

4. The bicycle seat assembly jig according to claim 2, characterized in that: It is also provided on a coupling (10), which coaxially connects the encoder and the rotating shaft of the angle limiting seat.

5. The bicycle seat assembly jig according to claim 2, characterized in that: An encoder fixing frame (11) is fixedly provided on the other side of the support block bracket, the encoder is fixedly mounted on the encoder fixing frame, an encoder protection cover is also fixedly provided on the encoder fixing frame, and the encoder protection cover covers the encoder and the outer side of the coupling.

6. The bicycle seat assembly jig according to claim 1, characterized in that: The support block is provided with a first elongated adjustment groove (13) extending horizontally, and is also provided with an adjustment block (14) and a seat rod support block (15); a first connecting screw can be slidably inserted into the first elongated adjustment groove on the support block, and the first connecting screw can be fixedly connected to the adjustment block, and the first connecting screw can fix the adjustment block to different positions on the support block along the extension direction of the first elongated adjustment groove; the adjustment block is provided with a second elongated adjustment groove perpendicular to the first elongated adjustment groove, and a second connecting screw can be slidably inserted into the second elongated adjustment groove, and the second connecting screw can be fixedly connected to the seat rod support block, and the second connecting screw can fix the seat rod support block to different positions on the adjustment block along the extension direction of the second elongated adjustment groove; the seat rod support block is formed with an arc-shaped columnar fitting surface for the outer circumferential surface of the seat rod to be flatly attached.

7. The bicycle seat assembly jig according to claim 6, characterized in that: The adjustment block is also formed with a linear slideway (12) parallel to the second elongated adjustment groove, and the seat rod support block can be slidably inserted in the linear slideway. The upper end of the seat rod support block is formed with a seat rod end stop wall, and the end face of the seat rod facing away from the seat is stopped on the seat rod end stop wall.

8. The bicycle seat assembly jig according to claim 1, characterized in that: The seat cushion positioning seat is a flat plate structure, and a left positioning block (18), a right positioning block (19) and a front positioning block (20) are fixedly mounted on the seat cushion positioning seat. The left positioning block and the right positioning block can be closely attached to the left and right side surfaces of the seat cushion respectively, and the front positioning block can be closely attached to the front end surface of the seat cushion.

9. The bicycle seat assembly jig according to claim 8, characterized in that: The surfaces of the left positioning block and the right positioning block respectively form convex arc surfaces (16) matching the left and right outer shapes of the seat cushion, and the front positioning block is formed with a V-shaped contact surface (17) matching the front end of the seat cushion.

10. The bicycle seat assembly jig according to claim 8, characterized in that: The left positioning block and the right positioning block are respectively formed with a third long strip adjustment groove (21) extending along the left and right directions of the seat cushion, and the front positioning block is provided with a fourth long strip adjustment groove (22) extending along the front and rear directions of the seat cushion. Positioning screws are respectively slidably inserted into the third long strip adjustment groove and the fourth second long strip adjustment groove, and the positioning screws are threadedly connected to the seat cushion positioning seat. The positioning screws can fix the left positioning block, the right positioning block and the front positioning block on the seat cushion positioning seat.

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