[0026] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.
[0027] Such as image 3 As shown, the automobile cable provided by this embodiment includes a spring assembly and an outer sheath 5 sleeved on the outer wall of the spring assembly. The spring assembly includes at least one round wire spring 7 and at least one flat wire spring 6, each flat wire spring A coil of round wire spring 7 is sandwiched between adjacent coils of 6.
[0028] Specifically, the round wire spring 7 refers to a spring made of round steel wire. The cross section of the round wire is round or roughly round (such as a multi-strand coil spring), and the flat wire spring 6 refers to the use of flat wire For the wound spring, the cross section of the flat wire is rectangular, parallelogram or other existing flat structure. The median diameter of the flat wire spring 6 should be equal to or approximately equal to the median diameter of the round wire spring 7; the two springs are embedded in each other. The coils of the round wire spring 7 are sandwiched between the coils of the flat wire spring 6, so that in the axial cross-sectional view of the spring assembly, the flat wire and the round wire are arranged at intervals.
[0029] In this embodiment, when the spring assembly includes a round wire spring 7 and a flat wire spring 6, a round wire spring 7 is sandwiched between adjacent coils of each flat wire spring 6; when the spring assembly includes two When there are two round wire springs 7 and one flat wire spring 6, two round wire springs 7 are sandwiched between adjacent coils of each flat wire spring 6; when the spring assembly includes a round wire spring 7 and two flat wire springs In the case of the wire spring 6, a spring coil of a round wire spring 7 and a spring coil of a flat wire spring 6 are sandwiched between adjacent coils of each flat wire spring 6. The other types can be deduced by analogy, so I won't repeat them.
[0030] In the spring assembly provided by this embodiment, the round wire spring 7 and the flat wire spring 6 can be embedded in each other during manufacture. Taking one round wire spring 7 and one flat wire spring 6 as an example, each spring of the round wire spring 7 The pitch of the coils (that is, the axial distance between the corresponding points of the two adjacent coils of the spring on the pitch diameter) should be equal to or greater than the size of the flat wire in the spring axis, and the pitch of each coil of the flat wire spring 6 should be equal to or Greater than the diameter of the round wire The other numbers of round wire springs 7 and flat wire springs 6 are analogous in this order, and will not be repeated.
[0031] In the automobile cable provided in this embodiment, the spring assembly is sheathed in the outer sheath 5. At the position where the automobile cable is bent and arranged, when the automobile cable is stressed, the spring of the bending part of the spring assembly will receive a bending force. At this time, due to the arc-shaped shape of the round wire spring 7, it will not form a cutting action on the outer sheath 5, thereby reducing the cutting action of the spring assembly as a whole to the outer sheath 5. At the same time, when the flat wire spring 6 receives a bending force, The outer wall parts of the spring coils will be stretched to move away from each other, and the inner wall parts will be compressed and move closer to each other. The inner wall and the outer wall away from each other will cause the round wire spring 7 sandwiched between the coils of the flat wire springs 6 The spring coils are squeezed to the outside, and the 7 coils of the round steel wire spring squeezed to the outside prop up the outer sheath 5, thereby reducing the cutting action of the flat steel wire to the outer sheath 5. Therefore, in the automobile cable provided by the present invention, the round wire spring 7 reduces the cutting effect of the spring assembly on the outer sheath 5 from two aspects.
[0032] In this embodiment, preferably, the cross section of the flat wire of the flat wire spring 6 includes a first side and a second side that are arranged oppositely, wherein the first side is located on the outer wall of the flat wire spring 6 and the second side is located on the flat wire. The inner wall of the spring 6 has the first side longer than the second side. In this way, the spacing between the coils on the outer wall of the flat wire spring 6 is smaller than the spacing between the coils on the inner wall. Thus, when the flat wire spring 6 encounters a bending force, the spacing between the coils on the outer wall is far away. It is relatively small, and the holding effect of the round wire spring coil is more significant.
[0033] Preferably, the cross section of the flat steel wire is a trapezoid, the lower base of the trapezoid is the first side, and the upper base of the trapezoid is the second side. The trapezoid is symmetrical to the left and right, which is convenient for the flat steel wire to evenly apply pressure to the round steel wire when bending.
[0034] Furthermore, the automobile cable provided in this embodiment also includes an inner sheath 8 sheathed on the inner wall of the spring assembly. The inner sheath 8 keeps the inner wall of the spring assembly flat and prevents a certain spring coil from sliding out under bending pressure. On the other hand, it also has a certain dust-proof effect, preventing dust from floating into the interior from both ends of the spring assembly.
[0035] This embodiment also provides an automobile brake device, including an automobile cable, and the automobile cable is the above-mentioned automobile cable. Automobile brake devices include accelerator brake devices, clutch brake devices, brake brake devices, gear shift brake devices, etc. Obviously, the above-mentioned automobile cable can be applied to these brake devices. This embodiment The provided automobile brake device can be any one of the aforementioned brake devices. Since the aforementioned automobile cable has the above technical effects, the automobile brake device containing the automobile cable should also have corresponding technical effects.
[0036] This embodiment further provides an automobile, including an automobile brake device, and the automobile brake device is the aforementioned brake device. Since the aforementioned automobile brake device has the aforementioned technical effects, the automobile including the automobile brake device should also have corresponding technical effects.
[0037] The above describes certain exemplary embodiments of the present invention only by way of illustration. Needless to say, for those of ordinary skill in the art, without departing from the spirit and scope of the present invention, various different ways can be used to The described embodiment is modified. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
