TWM593958U - Vertical bike stand - Google Patents

Abstract

This creation refers to a bicycle mounting frame, wherein the bicycle mounting frame is provided with a wheel setting portion, a rear side of the wheel setting portion protrudes upwardly with a sliding joint body, and the sliding joint body has a directional guide groove recessed inwardly. The inner edge of the guide groove is provided with a positioning rack, and the positioning rack is distributed with positioning teeth. The sliding body is connected with a support body, and the supporting body is provided with a guide channel that slides along the sliding body. Then, the lower end of the supporting body is fixed with an embedded card seat, and the embedded card seat is pivotally connected with a positioning body. The upper part of the positioning body is provided with a pressing end which is outwardly warped, and the lower part of the positioning body is provided with claws extending into the directional guide groove to engage with the positioning teeth, and the outer side of the directional end is crimped with an elastic body limited to the inserting seat .

Description

Bicycle frame

This creation refers to a bicycle mounting frame, in which the bicycle mounting frame is provided with a wheel setting portion for placing a rear wheel of the bicycle, and a rear side of the wheel setting portion has a support body for supporting a seat cushion rod of a reclining bicycle Realm.

The first press refers to a frame 10 which is provided with a rear wheel setting portion 101. The rear side of the rear wheel setting portion 101 extends upwards with a fixing tube 102, and a positioning is traversed at the upper end of the fixing tube 102 A bolt 103 is inserted into the fixing tube 102, and a sliding joint tube 104 is inserted from above. The upper end of the sliding joint tube 104 is fixed with a seat post supporting part 105 (as shown in FIG. 1).

However, the use condition of the frame 10 is to place the bicycle A0 first and then the wheel A01 at the rear wheel setting part 101, and then turn the bicycle A0 upright so that the seat cushion A02 and the seat cushion support rod A03 rotate backward . Then, the sliding joint 104 can move up and down the fixed tube 102 to operate the seat rod support portion 105 suitable for supporting the position of the seat cushion support rod A03. When the seat rod support portion 105 is adjusted to a suitable position, The positioning bolt 103 tightens and fixes the sliding joint 104 as a basis for supporting the cushion support rod A03 (as shown in FIG. 2).

However, the sliding joint 104 is not oriented, so that the sliding joint 104 must adjust the angle of the seat cushion support rod A03 after displacement to apply the positioning bolt The tightening and fixing of 103, but the tightening and fixing of the positioning bolt 103 and the orientation adjustment of the sliding joint 104 are a technical test for first-time users, and the tightening of the positioning bolt 103 is also not stable In use, if the positioning bolt 103 is not tightened, the sliding joint 104 may loosen, fall, and tip the bicycle A0 (as shown in Figure 2).

In view of the above, it is learned that the conventional sliding joint is not oriented, and if the positioning bolt is not tightened, the sliding joint may loosen, fall, and cause the lack of bicycle tipping. Therefore, the author is prompted to face For the orientation, no looseness and possible falling direction, and through the new creators of this case, the multi-party thinking, then thought, using the claw joint mode is the best.

The bicycle placing frame of the present invention is provided with a wheel setting part, and a rear side of the wheel setting part protrudes upwards with a sliding joint body, and the sliding joint body is concave inwardly with a directional guide groove extending upward and downward. The edge is provided with a positioning rack, and the positioning rack is distributed with positioning teeth. Then, the sliding body is connected with a support body, the supporting body is provided with a guide channel that penetrates up and down and slides along the sliding body, and a support portion closing the guide channel is provided on the top of the support body, the A bracket rod body protrudes upwards on the left and right sides of the bracket part, a bracket rod groove is recessed between the bracket rod bodies, and then, an inlay card holder is fixed at the lower end of the support body, and the inlay card holder is pivotally connected with a A positioning body, a round trunnion pivotally connected to the inserting seat is laterally extended on both sides of the middle section of the positioning body, the upper section of the positioning body is provided with a pressing end which is outwardly warped, the pressing end is extended with a pressing portion, and the lower section of the positioning body An orientation end extending into the directional guide groove is provided, a claw tooth embedded in the orientation end is protrudingly inserted into the positioning tooth, and an elastic body limited to the insertion seat is crimped outside the orientation end. In addition, The upper end of the positioning tooth is provided with a top contact surface nearly perpendicular to the positioning rack, and the positioning tooth is obliquely provided with a concave sliding contact surface below the top contact surface; then, the lower end of the claw tooth of the orientation end is provided with a flat A claw abutting surface that adheres and abuts the top contact surface, and a tooth sliding surface corresponding to and abutting the sliding contact surface is provided on the upper side of the claw abutment surface.

The rear side of the sliding body of the present invention is provided with a forward concave and the fixed guide groove accommodating the positioning rack, and the rear edge of the positioning rack is covered with adjacent positioning teeth. Then, the lower end of the support body is provided with a positioning body slot, a positioning body positioning hole is provided above the positioning body slot, and then, the inlay card holder is provided with an inlay snap ring which is connected to the lower end of the support body, and the inlay ring is formed by The bottom edge is sequentially provided with: a limiting surface, a screw-through slot, a clamping portion, and a positioning hole for an embedded snap ring. The front side of the clamping part has a clamping groove; then, the inserting seat is provided with a rear cover that penetrates the screw connection groove, and the rear cover is sequentially provided from the bottom side upwards: one is attached to the limit surface Then the bottom of the cover, a positioning body suspension chamber which is recessed from the front side, and a clamping piece adhering to the clamping groove. The positioning body suspension chamber is suspended with the positioning body, and the positioning body suspension chamber traverses a round trunnion hole for inserting the round trunnion, and a pressing portion perforation is provided above the positioning body suspension chamber In addition, the clamping piece is provided with a positioning hole corresponding to the support body and the positioning hole of the inlay card sticking ring. After the positioning hole of the cover is connected with a screw solid.

The screw solid of this creation is provided with: an inner screw member and an outer screw member. The inner screw member is provided with an auxiliary directional head extending into the directional guide groove, the auxiliary directional head protrudes with an insertion through the positioning hole of the support body, the positioning hole of the back cover, and the positioning hole of the snap ring There is an internal screw hole recessed in the front of the rear end of the rod. Then, the external screw part is screwed to the internal screw hole, so that the embedded snap ring and the back cover are clamped to the support body. again In addition, the left and right sides of the wheel setting portion are provided with a front high and a rear low wheel groove tube, the front end of the wheel groove frame tube is provided with a bending portion, and each of the left and right sides of the bending portion extends rearward with a parallel connecting end portion , The rear end of the connecting portion is provided with a rear seat, and a connecting body is provided above the rear seat, and a connecting body groove perpendicular to the wheel placing portion is recessed at the top of the connecting body, and the connecting body groove is inserted with an upper body Extending the sliding joint body, and the rear joint seat is provided with a bolt that penetrates and fixes the sliding joint body; and then, the turning part encloses a front joint seat, so that the wheel setting part uses the front joint seat and A wheel groove is enclosed between the connecting end portion and the rear connecting seat.

The connection end of this creation is fixed with four pivot joints within the range of the wheel groove, and the pivot joints are distributed with pivoting parts that are inclined downward relative to the front and back. Then, each of the pivoting parts is pivotally connected to a wheel clamp, the wheel clamp is provided with a wheel clamping part matching the pivoting part, and the pivoting part and the wheel clamping part penetrate a positioning shaft, the The positioning shaft is penetrated by an elastic element, the rotating elastic element is provided with two reset terminals, one of the reset terminals extends downward and abuts against the pivoting portion, and the other of the reset terminals rotates up and abuts against the lower side of the wheel clamp ; Then, the wheel clamp is provided with a connecting wheel arc surface parallel to the pivoting portion, and the connecting wheel arc surface is formed with a clamping wheel receiving portion on the left and right sides of the wheel groove.

The purpose of this creation is that the pressing portion of the upper portion of the positioning body is outwardly warped with the pressing portion, and the lower portion of the positioning body extends into the guiding groove with the directional end, so that the direction of the support body and the receiving portion is fixed, the The directional end uses the elastic body to force the claw teeth to engage the positioning teeth, so that the support body can control the displacement height according to the positioning teeth of the positioning body.

〔Convention〕

A0‧‧‧Bike

A01‧‧‧Rear wheel

A02‧‧‧Cushion

A03‧‧‧Seat support rod

10‧‧‧Car frame

101‧‧‧ Rear wheel set

102‧‧‧Fixed tube

103‧‧‧Locating bolt

104‧‧‧slip takeover

105‧‧‧seat support part

〔This creation〕

A‧‧‧Elastomer

B‧‧‧bolt

C‧‧‧Pivot seat

C2‧‧‧Pivot Department

D‧‧‧wheel clamp

D1‧‧‧wheel clamping part

D2‧‧‧Curved round surface

E‧‧‧Positioning axis

F‧‧‧Elastic element

F1‧‧‧Reset terminal

G‧‧‧Clamping Department

X‧‧‧Bicycle

X1‧‧‧Rear wheel

X2‧‧‧Cushion

X3‧‧‧seat support rod

1‧‧‧Bike frame

11‧‧‧Wheeling Department

12‧‧‧Wheel groove tube

13‧‧‧ Turning Department

14‧‧‧Connect the end

15‧‧‧receive

16‧‧‧Connecting body

17‧‧‧Connecting slot

18‧‧‧Front seat

19‧‧‧ wheel groove

2‧‧‧Sliding body

21‧‧‧Guide groove

3‧‧‧Locating rack

31‧‧‧Positioning tooth

311‧‧‧ Top connection surface

312‧‧‧Sliding surface

4‧‧‧Support

41‧‧‧Guide channel

42‧‧‧ Avoid positioning body slot

43‧‧‧Support body positioning hole

5‧‧‧Receiving Department

51‧‧‧carriage rod body

52‧‧‧Car groove

6‧‧‧Embedded card holder

61‧‧‧Embedded snap ring

62‧‧‧Embedded snap ring

63‧‧‧Limit surface

64‧‧‧Screw through slot

65‧‧‧Card placement department

66‧‧‧Locating hole for snap ring

67‧‧‧Card slot

7‧‧‧positioning body

71‧‧‧round trunnion

72‧‧‧Pressing end

73‧‧‧Pressing part

74‧‧‧Directional end

75‧‧‧Claw

751‧‧‧claw contact

752‧‧‧tooth slip surface

8‧‧‧Back cover

81‧‧‧Bottom of the back cover

82‧‧‧Locating body suspension room

83‧‧‧Card placement

84‧‧‧round trunnion hole

85‧‧‧Perforation of pressing part

86‧‧‧Locating hole of the back cover

9‧‧‧Snail solid

91‧‧‧Inner screw

911‧‧‧Auxiliary directional head

912‧‧‧Putting rod

913‧‧‧Inner screw hole

92‧‧‧External screw

921‧‧‧screw head

922‧‧‧External screw rod

Figure 1 is a schematic diagram of the conventional frame.

Figure 2 is a schematic diagram of the conventional frame.

Figure 3 is a three-dimensional schematic view of the bicycle frame created for this.

Figure 4 is a three-dimensional exploded schematic view of the sliding body of this creation with partial enlargement.

Figure 5 is a schematic view of the slide joint assembly created for this creation with a partially enlarged schematic view.

Figure 6 is a partially enlarged schematic view of the operation of the sliding body of this creation.

Figure 7 is a schematic diagram of the bicycle frame used for this creation.

Figure 8 is a three-dimensional exploded schematic view of the wheel-setting part of this creation with partial enlargement.

Figure 9 is a front sectional sectional view of the wheel-setting part of this creation.

Figure 10 is a schematic view of the front view of the wheel-setting part of this creation.

In order to make your examination committee have a better understanding of this creation, I will explain it with the following examples.

This creation mainly provides a bicycle frame 1, wherein the bicycle frame 1 is provided with a wheel-setting portion 11, and a rear side of the wheel-setting portion 11 protrudes upwards with a sliding body 2, and the sliding body 2 is lateral The concave has a fixed guide groove 21 extending upward and downward. The inner edge of the fixed guide groove 21 is provided with a positioning rack 3. The positioning rack 3 is distributed with positioning teeth 31. Then, the sliding body 2 is sheathed with a supporting body 4, the supporting body 4 is provided with a guide channel 41 which penetrates upward and downward and slides along the sliding body 2, and the top of the supporting body 4 is provided with a closed channel 41. The supporting portion 5 of the supporting portion 5 has a tow bar 51 protruding upward from the left and right sides of the tow. The tow bar body 51 is recessed with a lever groove 52, and then, the support The lower end of the body 4 is fixed with an inlay card holder 6, the inlay card holder 6 is pivotally connected with a positioning body 7, and both sides of the middle section of the positioning body 7 have round ear shafts 71 pivotally connected to the inlay card holder 6, and the positioning body 7 The upper section is provided with a pressing end 72 which is outwardly warped, the pressing end 72 is extended with a pressing portion 73, and the lower section of the positioning body 7 is provided with an directional end 74 which extends into the directional guide groove 21, and an inner side of the directional end 74 is protruded The claw teeth 75 of the positioning teeth 31 are connected, and an elastic body A (as shown in FIGS. 3, 4, and 5) limited to the insertion seat 6 is crimped outside the orientation end 74.

The upper end of the positioning tooth 31 of the present invention is provided with a top contact surface 311 nearly perpendicular to the positioning rack 3, and the positioning tooth 31 is obliquely provided with a concave sliding contact surface 312 below the top contact surface 311. Then, the lower end of the claw teeth 75 of the directional end 74 is provided with a claw contact surface 751 that is flat against and abuts against the top contact surface 311, and a tooth slide corresponding to and attached to the sliding contact surface 312 is provided on the upper side of the claw contact surface 751 Face 752 (as shown in Figures 4 and 5).

The rear side of the sliding body 2 of the present invention is further provided with a forward recess and the directional guide groove 21 accommodating the positioning rack 3, and the rear edge of the positioning rack 3 is covered with the positioning teeth 31 adjacent to each other . Afterwards, an upward concave positioning body groove 42 is added to the lower edge of the lower end of the supporting body 4, a supporting body positioning hole 43 is added above the avoiding body body groove 42, and then, the inserting seat 6 is additionally provided with a ring connecting the supporting body 4 A snap ring 61 at the lower end is provided, and a bottom edge of the snap ring 61 is additionally provided with an inward snap ring 62 extending and attached to the bottom edge of the supporting body 4. The rear side of the snap ring 62 is sequentially added from the bottom edge: a A limiting surface 63 that extends flat rearward, a pair of screw-through slots 64 that should avoid the positioning body slot 42, a rearwardly protruding clamping portion 65, and a pair of snap-fit ring positioning holes 66 that should correspond to the positioning holes 43 of the support body; The locking portion 65 has a locking groove 67 on the front side; then, the inserting seat 6 is additionally provided with a cover 8 that penetrates the screw-through groove 64 from the inside to the outside, and the rear cover 8 depends from the bottom side upwards Add in sequence: after attaching the limit surface 63 The bottom part 81 of the cover, a positioning body suspension chamber 82 recessed from the front side, and a clamping piece 83 attached to the clamping groove 67; and the positioning body suspension chamber 82 cooperates with the positioning body groove 42 and just hangs The positioning body 7 is provided, and the left and right sides of the positioning body suspension chamber 82 respectively traverse a round trunnion hole 84 for the round trunnion 71 to be inserted, and the positioning body suspension chamber 82 is additionally provided with The pressing portion 73 protrudes rearwardly from the pressing portion perforation 85 of the rear cover 8. In addition, the locking piece 83 is additionally provided with a positioning hole 43 corresponding to the support body and the positioning hole 66 of the snap-fit ring, and then the positioning hole 86 is covered. The cover positioning hole 86 and the support body positioning hole 43 and the snap ring positioning hole 66 are further penetrated by a screw solid 9, and then, the lower section of the positioning body 7 further has the directional end extending forward into the guide groove 21 74, the directional end 74 is protrudingly provided with the claw teeth 75 engaging the positioning teeth 31 forward, and then, the rear side of the directional end 74 is crimped with the elastic body A (located in the positioning body suspension chamber 82) (As shown in Figures 4 and 5).

The screw solid 9 of this creation is additionally provided with an inner screw 91 and an outer screw 92; and the front end of the inner screw 91 is additionally provided with an auxiliary orientation head 911 extending into the guiding groove 21, and the auxiliary orientation head 911 A plug rod 912 inserted into the positioning hole 43 of the support body, the positioning hole 86 of the back cover and the positioning hole 66 of the snap-fit ring is protruded on the rear side. Hole 913; then, a screw head 921 is added to the rear end of the external screw 92, and a screw rod 922 screwed to the inner screw hole 913 is provided at the front end of the screw head 921, and the inner screw hole 913 is connected to the outer After the screw rod 922 is screwed together, the auxiliary aligning head 911 and the screw head 921 are sandwiched between the snap ring 61 and the rear cover 8 on the support body 4 (as shown in FIGS. 4 and 5 ).

Yes, the pressing end 72 of the upper section of the positioning body 7 of the present invention is tilted with the pressing portion 73, and the lower section of the positioning body 7 extends into the guiding groove 21 with the directional end 74, The supporting body 4 is fixed in the direction of the rod groove 52 of the receiving portion 5, and the directional end 74 forces the claw teeth 75 to engage the positioning teeth 31 with the elastic body A, so that the supporting body 4 can The positioning teeth 31 and the claw teeth 75 of the positioning body 7 control the displacement height of the receiving portion 5. However, the usage condition of this creation is that the wheel setting part 11 is used to place the bicycle X and then the wheel X1 first, and then turn the bicycle X upright so that the seat cushion X2 and the seat cushion support rod X3 rotate backward. Then, the supporting body 4 can adjust the lever groove 52 of the supporting portion 5 according to the sliding movement of the sliding body 2 to adjust to a position suitable for supporting the seat cushion support rod X3, and the lever groove 52 is adjusted When moving up, it is only necessary to pull up the supporting body 4 to force the tooth sliding surface 752 to force the sliding contact surface 312 to adjust the lever groove 52 to a suitable position, and then the lever groove 52 is moved to a suitable position When the claw contact surface 751 of the claw teeth 75 abuts the top contact surface 311 which is locked in a proper position, it can be positioned. Furthermore, if the supporting body 4 is to be moved down and folded, it only needs to press the pressing portion 73 to disengage the claw teeth 75 from the positioning teeth 31 to move down and collapse the supporting body 4 (eg: (Figure 6; in addition, bicycle X is shown in Figure 7).

The left and right sides of the wheel setting portion 11 of the present invention are provided with at least a front high and a rear low wheel groove frame tube 12, the front end of the wheel groove frame tube 12 is further provided with a turning portion 13, the left and right sides of the turning portion 13 are Each rearward extends a parallel connecting end portion 14, a rear connecting seat 15 is added at the rear end of the connecting end portion 14, at least a connecting body portion 16 is added above the rear connecting seat 15, and the top end of the connecting body portion 16 is at least recessed Close to the body groove 17 perpendicular to the wheel setting portion 11, the body groove 17 is additionally inserted with the sliding body 2 extending upwards, and the rear connection seat 15 is provided with at least an additional bolt that penetrates and fixes the sliding body 2 B; Then, the turning part 13 includes a front receiving seat 18, so that the wheel setting portion 11 is enclosed between the front receiving seat 18 and the connecting end portion 14 and the rear receiving seat 15 Frame wheel groove 19 (as shown in Figures 4, 5, 6, and 8).

The connecting end portion 14 of the present invention is fixed with at least four additional pivot joints C within the range of the wheel groove 19, and at least there are at least pivot joints C2 inclined downwards distributed on the front and rear of the pivot joint C, and In this case, the pivoting portion C2 is provided parallel to the left and right of the wheel slot 19, and then each pivoting portion C2 is at least pivotally connected with a wheel clamp D, and the wheel clamp D is provided with at least one additional pin that matches the pivoting portion C2. The wheel clamping part D1, and the pivoting part C2 and the wheel clamping part D1 are also penetrated by a positioning axis E, and the positioning axis E is also penetrated by an elastic element F, and the rotary elastic element F is provided with two reset terminals F1, one of the reset terminals F1 extends downward and abuts against the pivoting portion C2, and the other of the reset terminals F1 is just screwed up and abuts against the lower side of the wheel clamp D; then, the wheel clamp D is provided with a parallel The connecting wheel arc surface D2 of the pivoting portion C2 is formed with a clamping wheel receiving portion G opposite to the left and right sides of the wheel groove 19. The wheel clamp D just happens to stabilize the area of the rear wheel X1 on the wheel arc surface D2 according to the wheel arc surface D2 (as shown in Figures 8, 9, and 10).

It can be seen from the above description: in this creation, the pressing portion 72 of the upper section of the positioning body 7 is outwardly warped with the pressing portion 73, and the lower section of the positioning body 7 extends into the guiding groove 21 with the orientation end 74, so that the support body 4 is fixed in the direction of the rod groove 52 of the supporting portion 5, and the directional end 74 forces the claw teeth 75 to engage the positioning teeth 31 with the elastic body A, so that the support body 4 can be positioned according to the positioning body 7 The positioning teeth 31 and the claw teeth 75 control the displacement height of the receiving portion 5. However, when the handle bar groove 52 is adjusted upward, it is only necessary to pull up the supporting body 4 to force the tooth sliding surface 752 to force the sliding contact surface 312 to adjust the handle bar groove 52 to a suitable position, and then the When the lever bar groove 52 is moved to a suitable position, the top contact surface 311 of the claw tooth 75 can be positioned according to the abutment surface 751 of the claw tooth 75 abutting the appropriate position. Furthermore, if the supporting body 4 is to be moved down and folded, it is only necessary to press the pressing portion 73 to disengage the claw teeth 75 from the positioning teeth 31 The excellent characteristics of the support 4 can be moved down and folded. According to this, it can be seen that this creation does have new patent requirements that meet the novelty, progress and industrial utilization.

The technical content and technical characteristics of this creation have been disclosed as above, but those familiar with this technology may still make various replacements and modifications based on the disclosure of this creation without departing from the new creative spirit of this case. Therefore, the scope of protection of this creation should not be limited to those disclosed in the embodiments, but should include various substitutions and modifications that do not deviate from this creation, and should be covered by the scope of patent application for this creation.

A‧‧‧Elastomer

B‧‧‧bolt

1‧‧‧Bike frame

11‧‧‧Wheeling Department

12‧‧‧Wheel groove tube

13‧‧‧ Turning Department

14‧‧‧Connect the end

15‧‧‧receive

16‧‧‧Connecting body

17‧‧‧Connecting slot

18‧‧‧Front seat

19‧‧‧ wheel groove

2‧‧‧Sliding body

21‧‧‧Guide groove

3‧‧‧Locating rack

31‧‧‧Positioning tooth

311‧‧‧ Top connection surface

312‧‧‧Sliding surface

4‧‧‧Support

41‧‧‧Guide channel

42‧‧‧ Avoid positioning body slot

43‧‧‧Support body positioning hole

5‧‧‧Receiving Department

51‧‧‧carriage rod body

52‧‧‧Car groove

6‧‧‧Embedded card holder

61‧‧‧Embedded snap ring

62‧‧‧Embedded snap ring

63‧‧‧Limit surface

64‧‧‧Screw through slot

65‧‧‧Card placement department

66‧‧‧Locating hole for snap ring

67‧‧‧Card slot

7‧‧‧positioning body

71‧‧‧round trunnion

72‧‧‧Pressing end

73‧‧‧Pressing part

74‧‧‧Directional end

75‧‧‧Claw

751‧‧‧claw contact

752‧‧‧tooth slip surface

8‧‧‧Back cover

81‧‧‧Bottom of the back cover

82‧‧‧Locating body suspension room

83‧‧‧Card placement

84‧‧‧round trunnion hole

85‧‧‧Perforation of pressing part

86‧‧‧Locating hole of the back cover

9‧‧‧Snail solid

91‧‧‧Inner screw

911‧‧‧Auxiliary directional head

912‧‧‧Putting rod

913‧‧‧Inner screw hole

92‧‧‧External screw

921‧‧‧screw head

922‧‧‧External screw rod

Claims (6)

A bicycle mounting frame, wherein the bicycle mounting frame is provided with at least a wheel setting portion, a rear side of the wheel setting portion protrudes at least upwards, and a sliding body extends at least inwardly, and the sliding body has at least a concave and an upward extension The fixed guide groove, the inner edge of the fixed guide groove is provided with at least a positioning rack, the positioning rack is distributed with positioning teeth; and then, the sliding body is at least sleeved with a support body, the support body is provided with an up and down penetration and A guide channel sliding along the sliding body is provided, and at the top of the support body is provided at least a bracket portion which closes the guide channel, and a left and right side of the bracket portion protrudes upwards with a bracket rod body, the bracket rod body There is a groove for a rod to be recessed therebetween, and then, an inlay card holder is fixed at the lower end of the support body, and the inlay card seat is at least pivotally connected with a positioning body, and both sides of the middle section of the positioning body are horizontally extended For the round trunnion, the upper part of the positioning body is provided with at least a pressing end which is outwardly warped, the pressing end is extended with a pressing part, and the lower section of the positioning body is provided with at least one directional end which extends into the guiding groove, and the inner side of the directional end protrudes at least A claw tooth is provided for embedding the positioning tooth, and an elastic body limited to the embedding seat is crimped at least on the outer side of the directional end. The bicycle frame as claimed in claim 1, wherein the positioning tooth has a top contact surface close to the vertical positioning rack at the upper end, and the positioning tooth is provided with an inwardly inclined slide below the top contact surface Then, the lower end of the claw teeth of the directional end is provided with a claw contact surface which is flat and abuts against the top contact surface, and a tooth sliding surface corresponding to and contacting the sliding contact surface is additionally provided on the side of the claw contact surface. The bicycle frame as described in claim 1, wherein a rear recess is provided on the rear side of the sliding body and the directional guide groove accommodating the positioning rack, and the rear edge of the positioning rack is covered with up and down The positioning teeth adjacent to each other; and then, a lower concave edge of the supporting body is provided with an upward concave positioning body groove, a supporting body positioning hole is added above the protective body groove, and then, the embedded card seat is additionally provided with a ring connecting the support The snap ring at the lower end of the body, The bottom edge of the snap ring is provided with an inward snap ring attached to and attached to the bottom edge of the support body. The rear side of the snap ring is sequentially added from the bottom edge: a limit surface that extends rearward and a pair of should Avoiding the threading through slot of the positioning body slot, a rearwardly protruding clamping part, a pair of inlay snap ring positioning holes corresponding to the positioning holes of the support body; and the clamping part has a clamping groove on the front side; then, the embedding The card holder is additionally provided with a rear cover that penetrates the screw connection slot, and the rear cover is sequentially added from the bottom side upwards: a bottom of the cover after being attached to the limiting surface, a positioning body suspension chamber recessed from the front side, A clamping piece attached to the clamping groove; and the positioning body suspension chamber cooperates with the positioning body groove and the positioning body is just suspended, and the positioning body suspension chamber has a supply on each of the left and right sides A round trunnion hole into which the round trunnion shaft is inserted, and a pressing portion through which the pressing portion protrudes rearward of the rear cover is additionally provided above the positioning body suspension chamber, and additionally, the supporting piece is provided with a corresponding supporting body The positioning hole and the positioning hole of the inlay snap ring are followed by a positioning hole of the cover, the positioning hole of the back cover and the positioning hole of the support body and the positioning hole of the inlay snap ring are further penetrated by a screw solid, and then, the lower section of the positioning body has a direction The directional end of the directional guide groove extends forward, and the directional end is protruded with the claw teeth engaging the positioning tooth forward, and then, the rear side of the directional end is crimped and is limited to the locating body suspension chamber The elastomer. The bicycle frame according to claim 3, wherein the screw body is additionally provided with: an inner screw member and an outer screw member; and the front end of the inner screw member is provided with an auxiliary orientation head extending into the guide groove, A rear side of the auxiliary directional head protrudes a plug rod inserted into the positioning hole of the support body, the back cover positioning hole and the positioning hole of the snap ring, and the back end of the plug rod has an inner screw hole ; Then, a screw head is added to the rear end of the external screw part, and a screw rod outside the inner screw hole is screwed at the front end of the screw head, and the inner screw hole and the outer screw rod are screwed together to make the The auxiliary aligning head and the screw head sandwich the inherent snap ring and the back cover on the support body. The bicycle mounting frame according to claim 1, wherein the left and right sides of the wheel setting portion are provided with at least a front high and a rear low wheel groove tube respectively, and a bend is further provided at the front end of the wheel groove tube The turning part, the left and right sides of the turning part each extend backwards with a parallel connecting end part, a rear connecting seat is added at the rear end of the connecting end part, at least an connecting body part is added above the rear connecting seat, and the top end of the connecting body part At least a recessed groove that is nearly perpendicular to the wheel setting portion is recessed, and the sliding groove body that is extended is inserted into the connecting body groove, and at least a bolt that penetrates and fixes the sliding body is added to the rear connecting seat; , The turning part also includes a front seat, and the left and right sides of the front seat each protrude a leg tube, so that the wheel setting part is between the front seat and the connecting end and the rear seat It is also surrounded by a wheel groove. The bicycle frame as claimed in claim 5, wherein at least four additional pivoting seats are fixed on the connecting end portion within the range of the wheel groove, and the pivoting seats are further distributed with at least a relatively downward tilt In addition, the left and right of the wheel groove are provided with the pivot joints in parallel, and then, each of the pivot joints is at least pivotally connected with a wheel clamp, and the wheel clamp is provided with at least one matching with the pivot joint. The wheel clamping portion, and the pivoting portion and the wheel clamping portion are further connected with a positioning shaft, the positioning shaft is further penetrated with an elastic element, the rotating elastic element is provided with two reset terminals, one of the reset terminals is lower Stretched against the pivoting portion, and the other reset terminal is just screwed up against the lower side of the wheel clamp; then, the wheel clamp is provided with a wheel arc surface parallel to the pivoting portion, the wheel arc A clamping wheel receiving part is formed on the left and right sides of the wheel groove.

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