TWI554423B - Bicycle cushions - Google Patents

Description

Bicycle seat cushion

The invention relates to bicycles, and in particular to a seat cushion for bicycles.

Generally speaking, the seat cushion of a bicycle is mainly made of two different materials, leather and plastic. In the case of a seat cushion made of leather, when riding for a period of time, the surface of the seat cushion will be in the rider's Under the interaction of weight and road vibration, the tension is insufficient, and even the situation of depression may occur. If it is adjusted improperly, it will inevitably affect the comfort of the riding process.

In order to solve the above problem, the Republic of China Announcement No. M295609 patent is to rotate the locking bolt to drive the guide piece to move back and forth. During the movement of the guide piece, the support frame is synchronously driven to enable the support frame to face the surface of the body. The tension is adjusted. However, in the aforementioned patent case, the yoke portion of the support frame is clamped in the groove of the guide piece by the lock lock bolt, but such a structural configuration is likely to cause the support frame to be in the riding process and the guide piece. Friction between each other produces an abnormal sound, and the clamping force provided to the support frame is limited, which may cause lateral movement of the support frame under excessive external force, thereby affecting the stability of the overall structure.

The main object of the present invention is to provide a bicycle seat cushion which can improve structural stability and reduce the generation of abnormal sound.

In order to achieve the above object, a seat cushion according to a first embodiment of the present invention comprises a leather pad body, a bow, and an adjustment assembly. The seat bow is disposed on a bottom surface of the leather cushion body, the seat The front end of the bow has a protruding portion and a limiting groove surrounded by the protruding portion, the rear end of the locking arch is fixed to the rear end of the leather pad body; the adjusting component is disposed on the bottom surface of the leather pad body and has a a bolt retaining seat, an adjusting bolt, and an adjusting seat fixed to the front end of the leather pad body and having a retaining wall and a through hole extending through the retaining wall, the adjusting bolt having a bolt head and a screw portion The bolt head abuts against the retaining wall of the bolt retaining seat and rotatably penetrates into the through hole of the bolt retaining seat, and one end of the screw portion is connected to the bolt head, and the adjusting seat is fixed to the pivoting of the seat arch And the card is engaged in the limiting slot of the seat bow to increase the stability of the structure and reduce the generation of abnormal sound. Moreover, the adjusting seat has a screw hole, and the screw hole is screwed on the screw portion of the adjusting bolt. Thereby, when the adjusting bolt is rotated, the adjusting seat can be driven to move the seat arch, so that the seat bow can be pulled up during the moving process to achieve the effect of adjusting the tightness.

In the first embodiment of the present invention, the adjusting base has a body and a threaded sleeve, and the seat body abuts against a side of the protruding portion of the seat bow and has a shaft hole, and the shaft hole communicates with the seat bow a limiting slot, the threaded sleeve has a head and a shaft connecting the head, the head abutting against another side of the protruding portion of the seat bow, the shaft passing through the seat bow The limiting slot is fixed in the shaft hole of the seat body, and the threaded sleeve has the screw hole, and the screw hole penetrates the rod head and the shaft. Thereby, the seat of the adjusting seat and the head of the screw sleeve of the adjusting seat clamp the protruding portion of the seat in the middle, and the shaft of the screw sleeve of the adjusting seat is used with the seat The snapping between the limit slots of the bow limits the lateral movement of the seat bow to increase the structural stability of the seat bow.

In the first embodiment of the present invention, the seat bow has two opposite support bars, and the front ends of the two support bars are connected to each other to form the protruding portion, and the bottom surface of the seat body of the adjustment seat has Two mutually parallel guiding grooves, each of which is embedded in one of the support bars of the seat bow for increasing the bonding strength between the adjusting seat and the seat bow.

In the first embodiment of the present invention, the seat bow further has a socket fixed to the rear end of the leather pad body and having two convex portions, each of the convex portions having a fixing hole, after the two supporting rods The end portion has a plug portion and a flange disposed adjacent to the plug portion. The plug portion is inserted into the fixing hole of the convex portion of the socket, and the flange abuts against the convex portion of the socket. The end face is used to share the force that the seat is subjected to.

In the first embodiment of the present invention, the support rod of the seat bow has a ring groove disposed in the insertion portion, and the seat bow further has two C-shaped buckles, and each of the C-shaped buckles is embedded in the a hole wall in the annular groove and supporting the fixing hole of the convex portion of the socket for increasing the bonding strength between the bearing seat and the two support rods.

Further, the seat cushion provided by the second embodiment of the present invention includes a pad body, a bow, and an adjustment assembly. The seat bow is disposed on the bottom surface of the leather pad body, and the front end of the seat bow has a fixing block, the fixing block has a screw hole, and the rear end of the seat bow is fixed to the rear end of the leather pad body; The bottom surface of the leather pad body has a bolt retaining seat and an adjusting bolt. The bolt retaining seat is fixed to the front end of the leather pad body and has a retaining wall and a through hole extending through the retaining wall. The adjusting bolt has a bolt. a head and a screw portion, the bolt head abuts against the retaining wall of the bolt retaining seat and rotatably penetrates into the through hole of the bolt retaining seat, one end of the screw portion is connected to the bolt head, and the other end of the screw portion The screw is disposed in the screw hole of the fixing block of the seat bow. Thereby, when the adjusting bolt is rotated, the movement of the seat bow is driven through a screwing relationship with the fixing block of the seat bow, so that the seat bow is pulled up during the movement to achieve the adjustment tightness. Degree effect.

10‧‧‧ Seat cushion

20‧‧‧Leather pad

30‧‧‧Band bow

31‧‧‧ 承座

312‧‧‧ convex

314‧‧‧Fixed holes

32‧‧‧Support rod

322‧‧‧Interface

324‧‧‧Flange

326‧‧‧ Ring groove

33‧‧‧C-shaped buckle

34‧‧‧Wars

35‧‧‧Limited slot

40‧‧‧Adjusting components

41‧‧‧Bolt holder

412‧‧ ‧ retaining wall

414‧‧‧Perforation

416‧‧‧Responsible Department

42‧‧‧Adjustment bolt

422‧‧‧Bolt head

424‧‧‧ screw section

43‧‧‧ adjustment seat

44‧‧‧

441‧‧‧Axis hole

443‧‧‧ Guide slot

445‧‧‧Guidance

45‧‧‧Spiral sleeve

451‧‧‧ head

453‧‧‧ shaft

455‧‧‧ screw hole

50‧‧‧Band bow

51‧‧‧ seat

52‧‧‧Support rod

53‧‧‧Fixed blocks

532‧‧‧ screw hole

534‧‧‧Guidance

Fig. 1 is a perspective view showing a first embodiment of the present invention.

Fig. 2 is an exploded perspective view showing the first embodiment of the present invention.

Figure 3 is a bottom view of the first embodiment of the present invention.

Figure 4 is a cross-sectional view showing the first embodiment of the present invention, mainly showing the relationship between the seat bow and the adjustment assembly.

Fig. 5 is another cross-sectional view showing the first embodiment of the present invention, mainly showing the relationship between the seat of the seat bow and the support rod of the seat bow.

Figure 6 is an exploded perspective view showing a second embodiment of the present invention.

Figure 7 is a partial cross-sectional view showing a second embodiment of the present invention.

Referring first to Figures 1 and 2, the seat cushion 10 of the present invention includes a leather pad body 20, a bow 30, and an adjustment assembly 40.

The seat bow 30 is located below the leather seat cushion 10 and has a seat 31, two opposite support bars 32, and a four C-shaped buckle 33. The seat 31 is locked to the rear end of the leather seat cushion 10 and has two convex portions 312. Each of the protrusions 312 has a fixing hole 314. The front ends of the two supporting rods 32 are connected to each other to form a protruding portion 34 and a limiting groove 35 surrounded by the protruding portion 34. There is a socket 322, a flange 324 adjacent to the insertion portion 322, and two annular grooves 326 disposed at the insertion portion 322. The C-shaped buckles 33 are embedded in the annular groove 326 of the support rod 32. . When assembled, the insertion portion 322 of the support rod 32 is inserted into the fixing hole 314 of the convex portion 312 of the socket 31, so that the flange 324 of the support rod 32 abuts against the end surface of the convex portion 312 of the socket 31, such as number 5 As shown in the figure, after the insertion is completed, the C-shaped buckle 33 will be supported by the hole wall of the fixing hole 314 by its own radial expansion to complete the fixing between the socket 31 and the support rod 32.

The adjusting assembly 40 is located on the bottom surface of the leather pad body 20 and has a bolt retaining seat 41, an adjusting bolt 42, and an adjusting seat 43. As shown in Figures 2 to 4, the bolt retaining seat 41 is locked to the leather pad body 20. The front end of the bolt retaining seat 41 has a retaining wall 412 and a through hole 414 extending through the retaining wall 412. The left and right sides of the bolt retaining seat 41 respectively have a bearing portion 416; the adjusting bolt 42 has a bolt head 422 and a screw portion 424, the bolt head 422 abuts against the retaining wall 412 of the bolt retaining seat 41 and rotatably penetrates into the through hole 414 of the bolt retaining seat 41. One end of the screw portion 424 is connected with the bolt head 422; the adjusting seat 43 has a The body 44 is made of a plastic material and has a shaft hole 441 extending through the front and rear ends. Further, the bottom surface of the base body 44 has two guide grooves 443 arranged side by side, and the left and right sides of the seat body 44 are respectively There is a guiding step 445. When assembled, the seat 44 is engaged with the supporting rod 32 of the seat bow 30 by the guiding groove 443, so that one end surface of the seat body 44 abuts against one side of the seat bow 30. The shaft hole 441 corresponds to the limiting groove 35 connected to the seat bow 30, and the seat 44 is guided by The step portion 445 abuts against the bearing portion 416 of the bolt retaining seat 41. Further, the adjusting seat 43 has a threaded sleeve 45. The screw sleeve 45 is made of a metal material and has a head 451 and a connecting rod head 451. The shaft 453, and a threaded hole 455 extending through the head 451 and the shaft 453, the screw sleeve 45 is inserted into the shaft of the seat body 44 through the limiting groove 35 of the seat bow 30 when the shaft 453 is assembled. The hole 441 is fixed to the seat body 44 by riveting. After the assembly is completed, the head 451 of the screw sleeve 45 abuts against the other side of the protruding portion 34 of the seat bow 30, and the screw sleeve 45 The screw hole 455 is screwed to the screw portion 424 of the adjusting bolt 42. Thereby, when the adjusting bolt 42 is rotated, the adjusting seat 43 can be protected by the guiding step 445 and the bolt itself. The relationship between the bearing portions 416 of the seat 41 stably moves the seat bow 30 back and forth, so that the surface tension of the leather cushion body 20 can be adjusted during the movement of the seat bow 30 in the forward and backward movement.

As can be seen from the above, the seat cushion 10 of the present invention has the following advantages in comparison with the conventional technology:

1. In the structural relationship between the seat bow 30 and the adjusting seat 43, the protruding portion 34 of the seat bow 30 is held in the middle by the seat 44 of the adjusting seat 43 and the head 451 of the screw sleeve 45 of the adjusting seat 43. The adjusting seat 43 can positively and stably move the seat bow 30 forward and backward when driven by the adjusting bolt 42, and the shaft 453 of the screw sleeve 45 of the adjusting seat 43 is passed between the limiting groove 35 of the seat bow 30. The snaps are used to limit the lateral movement of the seat bow 30 to improve the structural stability during the ride and also to solve the problem of the partial bow 30 producing an abnormal sound during riding.

2. During the riding process, the seat 31 of the seat bow 30 indirectly absorbs the weight of the rider and the vibration caused by the bumps on the road through the leather cushion body 20, at this time by the convexity of the seat 31 of the seat bow 30. The abutting relationship between the portion 312 and the flange 324 of the support rod 32 of the seat bow 30 allows the support rod 32 of the seat bow 30 to assist in sharing the force experienced by the seat 31 of the seat bow 30 to increase the weight of the seat bow 30. Structural strength for increased durability.

3. In the structure of the seat bow 30 itself, the fixing hole 314 of the convex portion 312 of the bearing seat 31 and the insertion portion 322 of the support rod 32 are supported by the C-shaped buckle 33. The bonding strength can be significantly improved compared to the loose or tight fit used in the prior art to achieve an effect of increasing structural stability.

On the other hand, the structure of the seat bow of the present invention may be varied. As shown in Figures 6 and 7, in the second embodiment, the front end of the support rod 52 of the seat bow 50 is covered by a fixing block 53. Live, the front and rear ends of the fixing block 53 pass through a screw hole 532, and the screw hole 532 is adjusted. The screw portion 424 of the bolt 42 is disposed. The left and right sides of the fixing block 53 respectively have a guiding step 534. The guiding step 534 can bear against the bearing portion 416 of the bolt retaining seat 41. When the adjusting bolt 42 is rotated, the seat bow 50 can be driven to move back and forth by the screwing relationship with the fixing block of the seat bow 50, so that the surface tension of the leather cushion body 20 during the forward and backward movement of the seat bow 50 is performed. Make adjustments. However, it should be additionally noted that since the joint between the seat 51 of the seat bow 50 and the rear end of the support rod 52 of the seat bow 50 is the same as that of the first embodiment described above, in order to save space, it is no longer necessary here. Narration.

10‧‧‧ Seat cushion

20‧‧‧Leather pad

30‧‧‧Band bow

31‧‧‧ 承座

312‧‧‧ convex

314‧‧‧Fixed holes

32‧‧‧Support rod

322‧‧‧Interface

324‧‧‧Flange

326‧‧‧ Ring groove

33‧‧‧C-shaped buckle

34‧‧‧Wars

35‧‧‧Limited slot

40‧‧‧Adjusting components

41‧‧‧Bolt holder

412‧‧ ‧ retaining wall

414‧‧‧Perforation

416‧‧‧Responsible Department

42‧‧‧Adjustment bolt

422‧‧‧Bolt head

424‧‧‧ screw section

43‧‧‧ adjustment seat

44‧‧‧

441‧‧‧Axis hole

443‧‧‧ Guide slot

445‧‧‧Guidance

45‧‧‧Spiral sleeve

451‧‧‧ head

453‧‧‧ shaft

455‧‧‧ screw hole

Claims (6)

A bicycle seat cushion comprises: a leather cushion body; a bow disposed on a bottom surface of the leather cushion body, the front end of the arch arch having a protruding portion and a limiting groove surrounded by the protruding portion, a rear end of the seat arch is fixed to the rear end of the leather pad body; and an adjusting component is disposed on the bottom surface of the leather pad body and has a bolt retaining seat, an adjusting bolt, and an adjusting seat, wherein the bolt retaining seat is fixed to the The front end of the leather pad body has a retaining wall and a through hole extending through the retaining wall, the adjusting bolt has a bolt head and a screw portion, and the bolt head abuts against the retaining wall of the bolt retaining seat and is rotatably disposed One end of the screw portion is connected to the bolt head, and the adjusting seat is fixed to the protruding portion of the seat bow and is engaged in the limiting groove of the seat bow, the adjusting seat has a screw a hole, the screw hole is screwed on the screw portion of the adjusting bolt. The bicycle seat cushion according to claim 1, wherein the adjusting seat has a body and a screw sleeve, the seat body abuts against a side of the protruding portion of the seat bow and has a shaft hole, the shaft hole is connected to the shaft hole a limiting slot of the seat bow, the threaded sleeve having a head and a shaft connecting the head, the head abutting against another side of the protruding portion of the seat bow, the shaft passing through the seat The limiting groove of the bow is fixed in the shaft hole of the seat body, and the screw sleeve has the screw hole, and the screw hole penetrates the rod head and the shaft. The bicycle seat cushion according to claim 2, wherein the seat bow has two opposite support bars, and the front ends of the two support bars are connected to each other to form the protruding portion, the adjusting seat The bottom surface of the seat body has two guide grooves arranged side by side, and each of the guide grooves is embedded in one of the support rods of the seat bow. The seat cushion of the bicycle of claim 3, wherein the seat bow further has a seat, the seat is fixed to the rear end of the leather body and has two convex portions, each of the convex portions has a fixing hole, the two The rear end of the support rod has a plug portion and a flange adjacent to the plug portion. The plug portion is inserted into the fixing hole of the protrusion of the socket, and the flange abuts against the socket. The end face of the convex portion. The bicycle seat cushion of claim 4, wherein the support rod of the seat bow has a ring groove disposed in the insertion portion, the seat bow further has two C-shaped buckles, and each of the C-shaped buckles is embedded. And a hole wall of the fixing hole in the ring groove and abutting the convex portion of the socket. The seat cushion of the bicycle of claim 2, wherein the opposite sides of the bolt retaining seat respectively have a bearing portion, and the opposite sides of the seat body of the adjusting seat respectively have a guiding step, the guiding step The portion can abut against the bearing portion of the bolt retaining seat.