TW201702111A - Steering tie rod of vehicle having two front wheels capable of improving convenience of assembling engineering - Google Patents

Abstract

The invention relates to a steering tie rod of vehicle having two front wheels. The vehicle comprises an upper cross bar portion pivoted to the head tube of the vehicle frame unit; a lower cross bar portion pivoted to the head tube and located below the upper cross bar portion; a right side rod portion and a left side rod portion pivoted to two ends of the upper cross bar portion, wherein two ends of the lower cross bar portion are pivoted to the right side rod portion and the left side rod portion; a right support member linked to the right side rod portion and having a right shock absorber; a left support member linked to the left side rod portion and having a left shock absorber; a central support member linked to the lower portion of the steering rod passing through the head tube; and a steering tie rod respectively linked to the left and right support members and the central support member. This invention is characterized in that the steering tie bar comprises a first tie bar pivoted to the right support member and the central support member and a second tie bar pivoted to the left support member and the central support member; and the steering tie bar is located above the left and right shock absorbers and in front of the lower cross bar portion. Accordingly, while assembling the steering tie bar, the first tie bar and the second tie bar of the steering tie bar respectively has two assembling points, so as to improve convenience of the assembling engineering for the steering tie bar.

Description

Steering lever with front two-wheeled vehicle

The invention relates to a steering rod with a front two-wheeled vehicle, in particular to a steering rod with a front two-wheeled vehicle which can improve the convenience of the steering rod in assembly work.

According to the vehicle with the first two rounds, the steering mainly relies on a steering lever in front of the steering rod to achieve the steering motion of the first two wheels.

As shown in Figure 1, it is the national TW201420408A "locomotive" invention patent application. Although the patent application has provided the structure of the steering rod A with the first two wheels, the steering rod A of the patent application is located in front of the shock absorber B and below the lower crossbar C, so the front of the locomotive must be Sufficient space is reserved to configure the steering rod A, the shock absorber B and the lower crossbar C, thereby causing the front of the locomotive to be enlarged; and the steering rod A has three assembly points, thus causing the steering rod A The assembly process is extremely inconvenient.

Therefore, how to provide a structure of a steering rod with a front two-wheeled vehicle to avoid the enlargement of the vehicle and facilitate the assembly of the steering rod has been an urgent problem for the vehicle industry.

The main object of the present invention is to provide a steering rod with a front two-wheeled vehicle, thereby overcoming the steering rod of the first two-wheeled vehicle of the conventional appliance, and the assembly is not convenient due to a large number of assembly points. Missing.

The main technical means for achieving the above object is to provide a steering rod with a front two-wheeled vehicle, the vehicle comprising an upper crossbar portion pivotally connected to the head tube of the frame unit, pivotally connected to the head a lower crossbar portion located below the upper crossbar portion, pivoting to a right side stem portion and a left side stem portion at both ends of the upper crossbar portion, the two ends of the lower crossbar portion being pivotally connected to the right side stem portion and the a left side rod portion, a right support member coupled to the right side rod portion and having a right shock absorber, a left support member coupled to the left side rod portion and having a left shock absorber, and a steering rod coupled to the head tube a lower central support member, a steering tie rod is respectively coupled to the left and right support members and the central support member, the steering pull rod includes a first pull rod pivotally connected to the right support member and the central support member, and is pivotally connected to the left support member And a second pull rod of the central support member, the steering pull rod is located above the left and right shock absorbers, and is located in front of the lower cross rail portion.

The effect that the present invention can achieve by the above-mentioned main technical means is that: when the steering rod is assembled, the first pull rod and the second pull rod of the steering rod have only two assembly points, thereby improving the assembly work of the steering rod Convenience.

The effect that the present invention can achieve by the above-mentioned other main technical means is that the steering rod is disposed above the right shock absorber and the left shock absorber, so that the right shock absorber and the left shock absorber have sufficient abundance The space can effectively increase the stroke of the right shock absorber and the left shock absorber, and can improve the suspension effect of the right shock absorber and the left shock absorber.

1‧‧‧ Vehicles

11‧‧‧ body cover unit

12‧‧‧ frame unit

121‧‧‧ head tube

122‧‧‧ steering handle

123‧‧‧steering rod

13‧‧‧ front wheel

131‧‧‧Right front wheel

132‧‧‧Left front wheel

14‧‧‧ Rear wheel

2‧‧‧Steering frame mechanism

21‧‧‧Upper crossbar

22‧‧‧ Lower crossbar

23‧‧‧ Right side pole

231‧‧‧right shaft

24‧‧‧ Left side pole

241‧‧‧left shaft

3‧‧‧Steering rod

31‧‧‧First lever

32‧‧‧Second rod

33‧‧‧right link

331‧‧‧ pivotal department

332‧‧‧Internal Department

34‧‧‧First Central Link

35‧‧‧Second central link

36‧‧‧ Left link

4‧‧‧Central support member

41‧‧‧Central Linkage Board

411‧‧‧ First Central Link

412‧‧‧Second Central Linkage

5‧‧‧Right support members

51‧‧‧right link board

511‧‧‧right link

52‧‧‧right link bridge

6‧‧‧Left support members

61‧‧‧Left link board

611‧‧‧Left link

62‧‧‧ Left Link Bridge

7‧‧‧Right shock absorber

8‧‧‧ Left Shock Absorber

A‧‧‧ steering rod

B‧‧‧Shock absorber

C‧‧‧ lower crossbar

S‧‧‧ bolt

Figure 1 is a TW201420408A "locomotive" invention patent application.

Figure 2 is a schematic illustration of a vehicle of the present invention.

Figure 3 is a schematic view of the steering rod of the present invention.

Figure 4 is a schematic view showing the steering action of the steering rod of the first two-wheeled vehicle of the present invention.

Figure 5 is a schematic view showing another steering action of the steering rod of the first two-wheeled vehicle of the present invention.

Figure 6 is a top plan view of the steering rod of the first two-wheeled vehicle of the present invention.

Figure 7 is a schematic view showing the steering action of the steering rod of the first two-wheeled vehicle of the present invention.

Figure 8 is a schematic view showing the pivotal connection of the steering rod and the connecting member of the present invention.

In order to make it easier for the examiner to understand the structure of the present invention and the achievable effects, the following description is provided with reference to the drawings; as shown in FIG. 2, the vehicle 1 includes at least a vehicle body cover unit 11, a frame unit 12, and a a front wheel 13 disposed on the left and right, a rear wheel 14, a seat unit for the rider (not shown), and a power unit for providing the power source of the vehicle 1 (not shown in the drawings) ).

As shown in FIG. 2, FIG. 3 and FIG. 4, a front tube 121 is disposed in front of the frame unit 12 (the front of the vehicle head is forward), and a steering frame mechanism 2 and a steering rod 3 are pivotally mounted on the head tube 121. A steering handle 122 is disposed above the head tube 121, and a steering rod 123 is disposed at a lower end of the steering handle 122. The steering rod 123 penetrates into the head tube 121 from above the head tube 121, and the lower end of the steering rod 123 passes through A lower end of the head pipe 121, the steering rod 123 is disposed at a lower end portion of the head pipe 121, and a central supporting member 4 is connected. The central connecting member 4 is connected with a central connecting plate 41. The central connecting plate 41 is provided with a first central connecting portion. The portion 411 and the second central connecting portion 412.

As shown in Figures 2, 3 and 4, the steering frame mechanism 2 includes a pivoting mechanism An upper crossbar portion 21 on the head pipe 121, a lower crossbar portion 22 pivotally connected to the head pipe 121 and located below the upper crossbar portion 21, and a pivotal connection between the upper crossbar portion 21 and the lower crossbar The right side rod portion 23 of the portion 22 (the right side in the drawing) and the left side rod portion 24 (the left side in the drawing) pivotally connected to the upper cross rail portion 21 and the lower cross rail portion 22.

As shown in Figures 2, 3 and 4, the upper crossbar portion 21 of the steering frame mechanism 2 is pivotally connected to the head pipe 121 in a pair of right and left manners; more specifically, the pair of upper and lower rail portions 21 are left and right. The head pipe 121 is pivotally connected to the head pipe 121 in a co-locking manner, and a pair of left and right upper rail portions 21 are pivotally connected to the head pipe 121 coaxially in the front-rear direction of the vehicle 1; the upper rail portion 21 The upper portion of the right side rod portion 23 and the left side rod portion 24 are pivoted in the left-right direction of the vehicle 1.

As shown in FIG. 2, FIG. 3 and FIG. 4, the lower crossbar portion 22 of the steering frame mechanism 2 is a frame body and is pivotally connected to the head pipe 121 in a front-rear manner, and the lower crossbar portion 22 is along the vehicle 1. The front and rear directions are coaxially coupled to the head pipe 121, and the lower crossbar portion 22 pivots in the left-right direction of the vehicle body to the lower portion of the right side rail portion 23 and the left side rod portion 24.

As shown in FIG. 2, FIG. 3 and FIG. 4, the right side rod portion 23 of the steering frame mechanism 2 is pivotally connected to the upper cross rod portion 21, and the lower portion thereof is pivotally connected to the lower cross rod portion 22; the right side rod portion 23 is 23 The right side of the right shaft 231 is connected with a right supporting member 5, and the right supporting member 5 is connected with a right connecting plate 51 and a right connecting bridge 52. The right connecting plate 51 is provided with a right connecting portion. 511, the right connecting bridge 52 is coupled to support the right shock absorber 7, and the lower end of the right shock absorber 7 supports the right front wheel 131.

As shown in FIG. 2, FIG. 3, FIG. 3, the left side rod portion 24 of the steering frame mechanism 2 is pivotally connected to the upper rail portion 21, and the lower portion thereof is pivotally connected to the lower rail portion 22; A left shaft 241 is disposed in the portion 24, and a left support member 6 is coupled to the lower end of the left shaft 241. The left support member 6 is coupled to a left connecting plate 61 and a left connecting bridge 62. The left connecting plate 61 is provided with a left side. The connecting portion 611 is connected to and supports the left shock absorber 8 , and the lower end of the left shock absorber 8 supports the left front wheel 132 .

As shown in FIG. 2, FIG. 3 and FIG. 4, the steering frame mechanism 2 is pivotally connected to the upper crossbar portion 21 above the head pipe 121, and the lower crossbar portion 22 pivotally connected below the head pipe 121, and up and down. The upper portion is pivotally connected to the right side rod portion 21 of the upper cross rod portion 21 and the lower cross rod portion 22, and the upper and lower portions are respectively pivotally connected to the left side rod portion 21 and the left side rod portion 24 of the lower cross rod portion 22, respectively. a substantially parallelogram frame-shaped frame body; whereby the upper rail portion 21 swings with respect to the lower rail portion 22, the right side rod portion 23, and the left side rod portion 24 with the head tube 121 as a swing center, the lower rail portion 22, the head tube 121 is pivoted with respect to the upper rail portion 21, the right side rod portion 23, and the left side rod portion 24, and the right side rod portion 23 and the left side rod portion 24 are opposite to the upper cross rod portion 21 The lower crossbar portion 22 swings.

As shown in FIG. 2, FIG. 3 and FIG. 4, the steering rod 3 has a first pull rod 31 and a second pull rod 32. The right side of the first pull rod 31 is pivotally connected to the right side of the right connecting plate 51 by a right connecting member 33. The left side of the first pull rod 31 is pivotally connected to the first central connecting portion 411 of the central connecting plate 41 by a first central connecting member 41; the left side of the second connecting rod 32 is connected by a left connecting member. 36 is pivotally connected to the left connecting portion 611 of the left connecting plate 61, and the right side of the second connecting rod 32 is pivotally connected to the second central connecting portion 412 of the central connecting plate 41 by a second central connecting member 35; The link member 33, the first center link member 34, the second center link member 35, and the left link member 36 are a rotating shaft member.

As shown in FIG. 8 , the right link 33 , the first central link 34 , The second central link 35 and the left link 36 have substantially the same structure and the same connection relationship with other members. Therefore, only the right link 511 and the first link 31 of the right link 33 and the right link 51 will be described below. The connection relationship is used as an example to illustrate the connection between the structure of the rotating shaft member and the other members. The right link member 33 has a pivoting portion 331 above the pivoting portion 331. A pull rod 31 is pivotally mounted on the pivoting portion 331 by a pivot member (which is implemented by a bolt S in the present invention), and the insertion portion 332 is pivotally disposed on the right link in the vertical direction of the vehicle 1 The right connecting portion 511 of the plate 51 (that is, the rotating shaft is inserted into the connecting portions 511, 611, 411 of the left and right supporting members 5, 6 and the center supporting member 4 in the vertical direction of the vehicle 1 by the insertion portion 33, In the 412, the insertion portion 332 is configured such that the right link 33 (rotating shaft member) is positioned on the right connecting portion 511 of the right connecting plate 51 by a nut.

As shown in FIGS. 2, 3, 4, and 8, the right side of the first pull rod 31 and the right link 33 are pivotally connected in the front-rear direction of the vehicle 1, and the right link 33 is in the up and down direction of the vehicle 1. The first connecting portion 511 is pivotally connected to the right connecting portion 511 of the right connecting plate 51. The left side of the first connecting rod 31 and the first central connecting member 34 are pivotally connected in the front-rear direction of the vehicle 1. The first central connecting member 34 is connected. The first connecting portion 411 of the central connecting plate 41 is pivotally connected to the vehicle 1 in a vertical direction; the left side of the second pull rod 32 and the left connecting member 36 are pivotally connected in the front-rear direction of the vehicle 1 . The left connecting member 36 is pivotally connected to the left connecting portion 611 of the left connecting plate 61 in the up-and-down direction of the vehicle 1; the right side of the second pull rod 32 and the second central connecting member 35 are arranged in the front-rear direction of the vehicle 1 To be pivoted, the second central link 35 is pivotally connected to the second central connecting portion 412 of the central connecting plate 41 in the vertical direction of the vehicle 1 .

As shown in FIG. 2, FIG. 3 and FIG. 4, the steering rod 3 is disposed above the right shock absorber 7 and the left shock absorber 8 by the above-mentioned pivotal connection, and is located at the front of the vehicle 1. The front side of the lower crossbar portion 22 of the steering frame mechanism 2 is partially overlapped with the lower crossbar portion 22; the steering tie rod 3 is disposed at the above position, so the right rear shock absorber 7 and the left shock absorber 8 are above The space of the right shock absorber 7 and the left shock absorber 8 is effectively increased, and the shock absorber effect of the right shock absorber 7 and the left shock absorber 8 can be improved.

As shown in FIG. 2, FIG. 4, FIG. 5, FIG. 6 and FIG. 7, the steering action of the vehicle 1 is such that after the rider turns the steering handle 122, the steering rod 123 pivotally connected to the steering handle 122 is disposed in the head tube 121. When the steering rod 123 rotates, the central support member 4 is rotated, and then the central connecting plate 41 connected thereto is rotated, whereby the central connecting plate 41 can drive the steering rod 3 to act, and the steering rod 3 is actuated. The first pull rod 31 drives the right connecting plate 51 of the right supporting member 5, and the right connecting plate 51 can synchronously rotate the right connecting bridge 52, thereby causing the right shock absorber 7 to drive the right front wheel 131 to turn. The second pull rod 32 of the steering rod 3 drives the left connecting plate 61 of the left supporting member 6. The left connecting plate 61 can synchronously rotate the left connecting bridge 62, so that the left shock absorber 8 drives the left front wheel 132. Steering, thereby achieving the steering action of the vehicle 1; it is also necessary to mention that when viewed from the top view, when the steering rod 3 is at the maximum steering angle, the steering rod 3 will be connected to the right shock absorber 7 or left The shock absorbers 8 are partially overlapped as shown in FIG. 7; The arrangement of the front parts is compact, and the front of the vehicle 1 can be miniaturized.

The function of the present invention is that the steering rod 3 has a first pull rod 31 and a second pull rod 32. The right side of the first pull rod 31 is pivotally connected to the right link by a right connecting member 33. On the right connecting portion 511 of the plate 51, the first tie rod 31 The left side is pivotally connected to the first central connecting portion 411 of the central connecting plate 41 by a first central connecting member 34. The left side of the second connecting rod 32 is pivotally connected to the left of the left connecting plate 61 by a left connecting member 36. On the connecting portion 611, the right side of the second pull rod 32 is pivotally connected to the second central connecting portion 412 of the central connecting plate 41 by a second central connecting member 35; whereby the steering rod 3 is assembled, the first The tie rod 31 and the second tie rod 32 each have only two assembly points, so that the convenience of assembly work of the steering rod 3 can be improved.

In summary, the present invention has indeed achieved the purpose and effect of the claim by the above structure, and has improved the efficacy of the applicant, and has become practical, novel and progressive, and has filed an invention patent according to law. To apply, please ask your examiner for a detailed examination. Huisei is the approval of the patent, and it is a matter of feeling.

1‧‧‧ Vehicles

11‧‧‧ body cover unit

12‧‧‧ frame unit

121‧‧‧ head tube

122‧‧‧ steering handle

123‧‧‧steering rod

13‧‧‧ front wheel

131‧‧‧Right front wheel

132‧‧‧Left front wheel

14‧‧‧ Rear wheel

2‧‧‧Steering frame mechanism

21‧‧‧Upper crossbar

22‧‧‧ Lower crossbar

23‧‧‧ Right side pole

231‧‧‧right shaft

24‧‧‧ Left side pole

241‧‧‧left shaft

3‧‧‧Steering rod

31‧‧‧First lever

32‧‧‧Second rod

33‧‧‧right link

34‧‧‧First Central Link

35‧‧‧Second central link

36‧‧‧ Left link

4‧‧‧Central support member

41‧‧‧Central Linkage Board

411‧‧‧ First Central Link

412‧‧‧Second Central Linkage

5‧‧‧Right support members

51‧‧‧right link board

511‧‧‧right link

52‧‧‧right link bridge

6‧‧‧Left support members

61‧‧‧Left link board

611‧‧‧Left link

62‧‧‧ Left Link Bridge

7‧‧‧Right shock absorber

8‧‧‧ Left Shock Absorber

Claims (9)

A steering rod with a front two-wheeled vehicle, the vehicle includes an upper crossbar portion pivotally connected to the head tube of the frame unit, and a lower crossbar portion pivotally connected to the head tube and located below the upper crossbar portion a right side rod portion and a left side rod portion connected to both ends of the upper cross rod portion, the two ends of the lower cross rod portion being pivotally connected to the right side rod portion and the left side rod portion, and being coupled to the right side rod portion and having a right shock absorber a right support member of the device, a left support member coupled to the left side rod portion and having a left shock absorber, and a central support member coupled to the underside of the steering rod of the head tube, a steering tie rod is respectively coupled to the left side, The right support member and the central support member are characterized in that the steering tie rod comprises a first pull rod pivotally connected to the right support member and the central support member, and a second pull rod pivotally connected to the left support member and the central support member, the steering rod It is located above the left and right shock absorbers and is located in front of the lower crossbar. The first two-wheeled vehicle steering rod according to claim 1, wherein the first and second tie rods and the left and right support members and the central support member are pivotally connected to each other, and have upper and lower directions and front and rear directions. a rotating shaft member having a direction; a pivoting portion is disposed above the rotating shaft member, and an insertion portion is disposed below the pivoting portion; the first and second tie rods are pivoted in a front-rear direction of the vehicle by a pivot member In the pivoting portion, the insertion portion of the rotating shaft member is inserted into the connecting portion of the left and right supporting members and the central supporting member in the vertical direction of the vehicle, and the inserting portion is configured by a nut to rotate the shaft member Located on the joint. The first two-wheeled vehicle steering rod as described in claim 1, wherein, when viewed from above, when the steering rod is at a maximum steering angle, the steering rod and the left or right shock absorber portion overlapping. The first two-wheeled vehicle steering rod as described in claim 1 of the patent application, wherein the upper horizontal The pair of right and left rods are pivotally connected to the head tube in a co-locking manner, and the pair of left and right upper rail portions are pivotally coupled to the head tube coaxially in the longitudinal direction of the vehicle. The first two-wheeled vehicle steering rod according to claim 1, wherein the lower rail portion is pivotally coupled to the head tube coaxially in a front-rear direction of the vehicle. The first two-wheeled vehicle steering rod according to claim 1 or 2, wherein the right shaft portion is provided with a right shaft, and the right shaft is coupled to a right support member at a lower end thereof, and the right support member is coupled to the right support member. a right connecting plate and a right connecting bridge, the right connecting plate is provided with a right connecting portion, the right connecting bridge is connected to support the right shock absorber, the lower end of the right shock absorber supports the right front wheel; and the left side rod portion is provided with a left side a left support member is coupled to a left support member, the left support member is coupled to a left connecting plate and a left connecting bridge, and the left connecting plate is provided with a left connecting portion, the left connecting bridge connecting and supporting the left shock absorber The lower end of the left shock absorber supports the left front wheel. The first two-wheeled vehicle steering rod according to claim 1, wherein a steering handle is disposed above the head tube, and a steering rod is disposed at a lower end of the steering handle, and the steering rod is inserted into the head from above the head tube a central support member is disposed at a lower end of the steering rod and a lower end of the steering tube, and the central support member is connected to the lower end portion of the head tube, and the central support member is connected with a central connecting plate There is a first central connecting portion and a second central connecting portion. The first two-wheeled vehicle steering rod according to claim 1, wherein the upper rail portion, the lower rail portion, and the right side rod portion and the left side rod portion constitute a steering frame mechanism, and the steering frame mechanism is a slightly parallelogram frame-shaped frame body; the upper rail portion swings with respect to the lower rail portion, the right side rod portion and the left side rod portion with the head tube as a swing center, and the lower cross rod portion The head pipe is pivoted with respect to the upper rail portion, the right side rod portion, and the left side rod portion, and the right side rod portion and the left side rod portion are swung relative to the upper cross rod portion and the lower cross rod portion. The first two-wheeled vehicle steering rod according to the first aspect of the invention, wherein the right side of the first rod is pivotally connected to the right connecting portion of the right connecting member of the right supporting member by a right connecting member. The left side of a pull rod is pivotally connected to the first central joint of the central support member by a first central joint; the left side of the second pull rod is pivotally connected to the left support member by a left joint On the left connecting portion of the connecting plate, the right side of the second pull rod is pivotally connected to the second central connecting portion of the central connecting member central connecting plate by a second central connecting member.