阅读说明：本技术 一种改进型转向管柱调节手柄机构 (Improved steering column adjusting handle mechanism ) 是由 李广 唐胜五 陈能兴 周永亮 于 2020-06-19 设计创作，主要内容包括：本发明公开了一种改进型转向管柱调节手柄机构,包括管柱本体,所述调节支架套设于管柱本体的上部,所述调节支架的侧部开有中心孔,所述螺杆贯穿中心孔并与调节支架的另一侧相连,所述螺杆的外侧依次套设有第一凸轮、第二凸轮和平面轴承,所述第一凸轮的侧部设置有凸起部,所述第一凸轮的侧部焊接有滑块,所述第二凸轮的侧部设置有滑槽,所述滑槽的侧部安装有限位块,所述凸起部插入中心孔的内侧,所述螺杆的端侧螺纹连接有螺母,所述第一凸轮和第二凸轮相对的侧部均设置有加强筋和接触块,所述第二凸轮的下部设置有连接块,所述连接块的下部连接有塑料手柄。本发明简化手柄的组件,便于保证调节力的稳定。(The invention discloses an improved steering column adjusting handle mechanism, which comprises a column body, wherein an adjusting bracket is sleeved at the upper part of the column body, the side part of the adjusting bracket is provided with a central hole, the screw rod penetrates through the central hole and is connected with the other side of the adjusting bracket, a first cam, a second cam and a plane bearing are sequentially sleeved on the outer side of the screw rod, a convex part is arranged on the side part of the first cam, a sliding block is welded on the side part of the first cam, a sliding groove is arranged on the side part of the second cam, a limiting block is arranged on the side part of the sliding groove, the bulge is inserted into the inner side of the central hole, the end side of the screw is in threaded connection with a nut, the opposite side parts of the first cam and the second cam are provided with a reinforcing rib and a contact block, the lower part of the second cam is provided with a connecting block, and the lower part of the connecting block is connected with a plastic handle. The invention simplifies the components of the handle and is convenient for ensuring the stability of the adjusting force.)

1. The utility model provides an improved generation steering column adjustment handle mechanism, includes tubular column body (1), adjusts support (2) and screw rod (3), its characterized in that: the adjusting support (2) is sleeved on the upper portion of the tubular column body (1), a central hole (4) is formed in the side portion of the adjusting support (2), the screw (3) penetrates through the central hole (4) and is connected with the other side of the adjusting support (2), a first cam (5), a second cam (6) and a planar bearing (7) are sequentially sleeved on the outer side of the screw (3), a protruding portion (8) is arranged on the side portion of the first cam (5), a sliding block (9) is welded on the side portion of the first cam (5), a sliding groove (10) is arranged on the side portion of the second cam (6), a limiting block (11) is installed on the side portion of the sliding groove (10), the protruding portion (8) is inserted into the inner side of the central hole (4), the sliding block (9) is movably inserted into the sliding groove (10), and a nut (12) is in threaded connection with the end side of the screw, the flange face of nut (12) is pressed at the lateral part of plane bearing (7), the relative lateral part of first cam (5) and second cam (6) all is provided with strengthening rib (13) and contact piece (14), the lower part of second cam (6) is provided with connecting block (15), the sub-unit connection of connecting block (15) has plastics handle (16).

2. An improved steering column adjustment handle mechanism according to claim 1, wherein: one end of the screw rod (3) is provided with a thread section (17) matched with the nut (12), and the middle section of the screw rod (3) is a smooth surface.

3. An improved steering column adjustment handle mechanism according to claim 1, wherein: the side parts of the first cam (5) and the second cam (6) are provided with through holes (18) matched with the screw rod (3), and the side part of the second cam (6) is tightly attached to the side part of the plane bearing (7).

4. An improved steering column adjustment handle mechanism according to claim 1, wherein: the cross-section of slider (9) is the arc setting, just the outer wall of slider (9) is the smooth surface.

5. An improved steering column adjustment handle mechanism according to claim 1, wherein: the reinforcing ribs (13) are symmetrically arranged in four groups relative to the first cam (5), and the contact blocks (14) are arranged in eight groups relative to the first cam (5).

6. An improved steering column adjustment handle mechanism according to claim 1, wherein: the plastic handle (16) is arranged in a Z shape, and the outer side of the plastic handle (16) is sleeved with a rubber sleeve (19).

Technical Field

The invention relates to the technical field of steering column adjusting handles, in particular to an improved steering column adjusting handle mechanism.

Background

When the automobile is in a stop state, a driver can adjust the steering wheel to a proper position according to own needs, the function is realized by adjusting the steering column, the handle mechanism of the column is an important component part of the adjusting column, and the assembly of the handle of the existing adjusting column generally comprises the following steps: the screw rod penetrates through the central hole of the adjusting bracket, the end face of the screw rod is tightly attached to the other side of the adjusting bracket, the other end of the screw rod is used for assembling a handle mechanism, and the tail end of the screw rod is provided with threads; the central hole of the first cam passes through the screw rod to be fixedly attached to the adjusting bracket, and the second cam is tightly attached to the first cam; one end of the handle iron bracket is inserted into the cam, the other end of the handle iron bracket is inserted into the handle plastic block, and the thumb of a driver adjusts the pipe column through the handle plastic block; the nut is fastened with the screw thread of the screw rod, so that the handle iron bracket is tightly attached to the cam; the washer is provided with two holes, the upper hole clamps the nut, and the lower hole is fixed with the handle iron bracket through a bolt, as shown in fig. 5 and 6.

The existing adjusting handle has too many parts and complex assembly, is not beneficial to the installation of workers, and on the other hand, the adjusting handle has poor hand feeling and unstable adjusting force and is inconvenient for the operation of drivers.

Disclosure of Invention

The invention aims to provide an improved steering column adjusting handle mechanism, which simplifies components of a handle, is convenient to assemble, improves the structure, is convenient to ensure the stability of adjusting force, and improves the adjusting hand feeling, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an improved steering column adjusting handle mechanism comprises a column body, an adjusting support and a screw rod, wherein the adjusting support is sleeved on the upper portion of the column body, a central hole is formed in the side portion of the adjusting support, the screw rod penetrates through the central hole and is connected with the other side of the adjusting support, a first cam, a second cam and a planar bearing are sequentially sleeved on the outer side of the screw rod, a protruding portion is arranged on the side portion of the first cam, a sliding block is welded on the side portion of the first cam, a sliding groove is formed in the side portion of the second cam, a limiting block is arranged on the side portion of the sliding groove and is inserted into the inner side of the central hole, the sliding block is movably inserted into the sliding groove, a nut is connected to the end side of the screw rod in a threaded mode, a flange face of the nut is pressed on the side portion of the planar bearing, and reinforcing ribs and contact, the lower part of the second cam is provided with a connecting block, and the lower part of the connecting block is connected with a plastic handle.

Preferably, one end of the screw rod is provided with a thread section matched with the nut, and the middle section of the screw rod is a smooth surface.

Preferably, through holes matched with the screw rods are formed in the side portions of the first cam and the second cam, and the side portion of the second cam is tightly attached to the side portion of the plane bearing.

Preferably, the cross section of the sliding block is arc-shaped, and the outer wall of the sliding block is a smooth surface.

Preferably, four sets of reinforcing ribs are symmetrically arranged relative to the first cam, and eight sets of contact blocks are arranged relative to the first cam.

Preferably, the plastic handle is arranged in a Z shape, and the outer side of the plastic handle is sleeved with the rubber sleeve.

Compared with the prior art, the invention has the beneficial effects that:

1. the flange surface of the nut is pressed on the outer side of the plane bearing, so that the first cam, the second cam and the plane bearing are tightly attached, and the integral plastic handle simplifies the use of the original bolt, handle iron bracket and washer lamp parts, optimizes the assembly process and reduces the management cost;

2. through optimizing first cam and second cam contact structure to increase and plane bearing, make the smooth-going, feel of plastics handle regulating power, through adopting whole plastics handle to replace indisputable handle support, reduced handle weight.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a side view of the first cam portion of the present invention;

FIG. 4 is a schematic side view of a partial structure of the stopper of the present invention;

FIG. 5 is an exploded view of a part of the original handle structure;

fig. 6 is a structural schematic diagram of a cam part of the original handle mechanism.

In the figure: 1. a tubular column body; 2. adjusting the bracket; 3. a screw; 4. a central bore; 5. a first cam; 6. a second cam; 7. a flat bearing; 8. a boss portion; 9. a slider; 10. a chute; 11. a limiting block; 12. a nut; 13. reinforcing ribs; 14. a contact block; 15. connecting blocks; 16. a plastic handle; 17. a threaded segment; 18. a through hole; 19. a rubber sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an improved steering column adjusting handle mechanism comprises a column body 1, an adjusting bracket 2 and a screw rod 3, wherein the adjusting bracket 2 is sleeved on the upper part of the column body 1, a central hole 4 is formed in the side part of the adjusting bracket 2, the screw rod 3 penetrates through the central hole 4 and is connected with the other side of the adjusting bracket 2, a first cam 5, a second cam 6 and a plane bearing 7 are sequentially sleeved on the outer side of the screw rod 3, a bulge part 8 is arranged on the side part of the first cam 5, a sliding block 9 is welded on the side part of the first cam 5, a sliding groove 10 is formed in the side part of the second cam 6, a limiting block 11 is arranged on the side part of the sliding groove 10, the bulge part 8 is inserted into the inner side of the central hole 4, the sliding block 9 is movably inserted into the sliding groove 10, a nut 12 is connected to the end side of the screw rod 3 through threads, the flange surface of the nut 12 is pressed on the side part, the lower part of the second cam 6 is provided with a connecting block 15, and the lower part of the connecting block 15 is connected with a plastic handle 16.

Specifically, a threaded section 17 matched with the nut 12 is formed in one end of the screw rod 3, a smooth surface is formed in the middle section of the screw rod 3, and the threaded section 17 facilitates connection of the nut 12.

Specifically, the side parts of the first cam 5 and the second cam 6 are provided with through holes 18 matched with the screw rods 3, and the side part of the second cam 6 is tightly attached to the side part of the plane bearing 7, so that the fixation is convenient to realize.

Specifically, the cross-section of slider 9 is the arc setting, and the outer wall of slider 9 is the smooth surface, makes things convenient for the inside that the slider slided into spout 10.

Specifically, four sets of reinforcing ribs 13 are symmetrically arranged relative to the first cam 5, and eight sets of contact blocks 14 are arranged relative to the first cam 5, so that contact stability is improved, and relative rotation between the first cam 5 and the second cam 6 is facilitated.

Specifically, the plastic handle 16 is arranged in a Z shape, the rubber sleeve 19 is sleeved on the outer side of the plastic handle 16, and the comfort level of hand contact is increased by the rubber sleeve 19.

The working principle is as follows: during the use, the flange face through nut 12 is pressed in the outside of plane bearing 7, make first cam 5, second cam 6 and plane bearing 7 closely laminate, and through holistic plastics handle 16, original bolt has been simplified, the use of handle iron support and packing ring lamp spare part, optimize assembly process, reduce administrative cost, through optimizing first cam 5 and second cam 6 contact structure, and increase and plane bearing 7, it is smooth-going to make 16 regulating powers of plastics handle, feel, through adopting whole plastics handle 16 to replace iron handle support, weight is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.