CN213839372U - Outer cylinder and inner drum type arc-shaped composite spring - Google Patents
Outer cylinder and inner drum type arc-shaped composite spring Download PDFInfo
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- CN213839372U CN213839372U CN202022471911.6U CN202022471911U CN213839372U CN 213839372 U CN213839372 U CN 213839372U CN 202022471911 U CN202022471911 U CN 202022471911U CN 213839372 U CN213839372 U CN 213839372U
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- arc spring
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Abstract
The utility model provides a cydariform arc compound spring in outer cylinder, includes the outer arc spring of arc, the one end of the outer arc spring of arc is prolonged integrated into one piece and is had first end on its self length direction, and the other end of the outer arc spring of arc is prolonged integrated into one piece and has the second end on its self length direction, the inside one end department of the outer arc spring of arc installs first interior arc spring, and the inside other end department of the outer arc spring of arc installs the interior arc spring of second. The first inner arc spring and the second inner arc spring which are symmetrically distributed are installed at the two ends of the inner portion of the outer arc spring, the damping effect and the toughness of the springs can be obviously improved, the problems that when a common spring is used as a torsional damper of a dual-mass flywheel to transmit torque, the existing torsional rigidity is large and the damping effect is poor can be solved, the damping performance of the dual-mass flywheel is effectively improved, and the improvement of the comfort level and the transmission efficiency of a vehicle transmission system is facilitated.
Description
Technical Field
The utility model relates to the technical field of auto-parts, specifically a two quality flywheels are with arc combination spring that two inner spring symmetries set up.
Background
The spring is a mechanical part which works by utilizing elasticity, is generally made of spring steel, is only an energy accumulator, has the function of storing energy, is used for controlling the movement of a machine member, relieving impact or vibration, storing energy, measuring the magnitude of force and the like, is widely used in machines and instruments, is used as an important element in an industrial system and has a large using amount, but the conventional spring is basically a straight spring, and cannot meet the using requirements under the condition of some circular arc or arc structural spaces.
In particular, in the dual-mass flywheel of an automobile, the main flywheel and the auxiliary flywheel which form the dual-mass flywheel transmit torque through the spring arranged between the main flywheel and the auxiliary flywheel and play a role in torsional vibration damping. Therefore, the applicant has invented a combined arc spring with two symmetrically arranged inner springs for a dual mass flywheel to solve the above problems in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an arc composite spring of cydariform in outer cylinder to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an outer cylinder is drum-shaped's arc composite spring in, includes outer arc spring, its characterized in that: the one end of outer arc spring is prolonged its self length direction and is gone up integrated into one piece and have first end, and the other end of outer arc spring is prolonged its self length direction and is gone up integrated into one piece and have the second end, installs a drum form arc spring in outer arc spring's hole at least, has round fixed connection between the maximum diameter of drum form arc spring and the outer arc spring hole, and the arc length of drum form arc spring is less than the arc length of outer arc spring under free state.
Furthermore, two drum-shaped arc springs are arranged in the inner hole of the outer arc spring at intervals, a circle of fixed connection is arranged between the maximum diameter of each drum-shaped arc spring and the inner hole of the outer arc spring, and the sum of the arc lengths of the two drum-shaped arc springs is smaller than that of the outer arc spring in a free state.
Furthermore, the rotation directions of the two drum-shaped arc springs are opposite.
Further, the arc lengths of the two drum-shaped arc springs are the same.
Compared with the prior art, the beneficial effects of the utility model are that:
because the drum-shaped arc spring is arranged in the inner hole of the outer arc spring, a circle of fixed connection is arranged between the maximum diameter ring of the drum-shaped arc spring and the inner hole of the outer arc spring, and the arc length of the drum-shaped arc spring is smaller than that of the outer arc spring in a free state.
The inner hole of the outer arc spring is provided with a plurality of drum-shaped arc springs at intervals, the maximum diameter of each drum-shaped arc spring is fixedly connected with the inner hole of the outer arc spring by a circle, and the sum of the arc lengths of all the drum-shaped arc springs is smaller than the arc length of the outer arc spring in a free state.
The structural design can obviously improve the damping effect and the toughness of the spring, can solve the problems of large torsional rigidity and poor damping effect when the common spring is used as a torsional damper of the dual-mass flywheel to transmit torque, effectively improves the damping performance of the dual-mass flywheel, and is beneficial to improving the comfort level and the transmission efficiency of a vehicle transmission system.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a drum-shaped arcuate spring;
fig. 3 is a schematic structural view of embodiment 2.
In the figure: 1-a drum-shaped arc spring; 2-outer arc spring;
3-another drum-shaped arc spring different from the drum-shaped arc spring 1;
4-a first end; 5-second end.
Detailed Description
Example 1: an arcuate compound spring of outer cylindrical and inner drum shape as shown in fig. 1-2: the one end of outer arc spring 2 is prolonged integrated into one piece and is had first end 4 on its self length direction, and the other end of outer arc spring 2 is prolonged integrated into one piece and has second end 5 on its self length direction, install a drum form arc spring 1 in outer arc spring 2's hole, the maximum diameter of drum form arc spring 1 is corresponding with outer arc spring 2 hole diameter, there is round fixed connection between the maximum diameter circle of drum form arc spring 1 and outer arc spring 2 hole, the arc length of drum form arc spring 1 is less than outer arc spring 2's arc length under free state.
In this example, the arc length of the drum-shaped arc spring 1 is 50% to 90% of the arc length of the outer arc spring 2 in the free state.
Example 2: the difference from the embodiment 1 is that: as shown in fig. 3, two drum-shaped arc springs 1 are installed in the inner hole of the outer arc spring 2 at intervals, the maximum diameter of each drum-shaped arc spring 1 corresponds to the diameter of the inner hole of the outer arc spring 2, the exposed ends of the two drum-shaped arc springs 1 are respectively flush with the exposed ends of the outer arc springs 2, the two drum-shaped arc springs 1 are fixedly connected with the outer arc springs 1 through a circle of the maximum diameter, and the arc length interval distance between the two drum-shaped arc springs 1 in a free state is 20% -30% of the arc length of the outer arc spring 2.
In embodiment 2, the two drum-shaped arc springs 1 may have the same or different spiral directions and the same or different arc lengths. In fig. 3, reference numeral 5 denotes another drum-shaped arc spring different from the drum-shaped arc spring described as reference numeral 1.
The utility model discloses a theory of operation is: this design is through installing more than one drum form arc spring 1 in outer arc spring 2's hole, can show the shock attenuation effect and the self toughness that improve this spring, can solve ordinary spring when the torsional damper transmission moment of torsion as dual mass flywheel, the torsional rigidity that exists is big, the poor problem of damping effect, the effectual damping performance who improves dual mass flywheel, be favorable to improving vehicle transmission system's comfort level and transmission efficiency, the drum form arc spring 1 that the interval set up can not only effectively increase outer arc spring 2 and bear the ability of alternating external force, and can improve the damping performance of outer arc spring 2 when using.
The above only is the detailed implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is familiar with the technical scope of the present invention, and according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides an arc compound spring of cydariform in outer cylinder, includes outer arc spring (2), its characterized in that: the one end of outer arc spring (2) is prolonged on its self length direction integrated into one piece and is had first end (4), and the other end of outer arc spring (2) is prolonged on its self length direction integrated into one piece and has second end (5), install a drum form arc spring (1) in the hole of outer arc spring (2) at least, there is round fixed connection between the biggest diameter circle of drum form arc spring (1) and outer arc spring (2) hole, the arc length of drum form arc spring (1) is less than the arc length of outer arc spring (2) under free state.
2. The arcuate composite spring of outer cylindrical inner drum shape of claim 1, wherein: more than two drum-shaped arc springs (1) are arranged in the inner hole of the outer arc spring (2) at intervals, a circle of fixed connection is arranged between the maximum diameter ring of each drum-shaped arc spring (1) and the inner hole of the outer arc spring (2), and the sum of the arc lengths of all the drum-shaped arc springs (1) is smaller than that of the outer arc spring (2) in a free state.
3. The arcuate composite spring of outer cylindrical inner drum shape of claim 2, wherein: two drum-shaped arc springs (1) are arranged in the inner hole of the outer arc spring (2) at intervals, and the rotation directions of the two drum-shaped arc springs (1) are opposite.
4. The arcuate composite spring of outer cylindrical inner drum shape of claim 3, wherein: the arc lengths of the two drum-shaped arc springs (1) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022471911.6U CN213839372U (en) | 2020-10-31 | 2020-10-31 | Outer cylinder and inner drum type arc-shaped composite spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022471911.6U CN213839372U (en) | 2020-10-31 | 2020-10-31 | Outer cylinder and inner drum type arc-shaped composite spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839372U true CN213839372U (en) | 2021-07-30 |
Family
ID=77012652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022471911.6U Active CN213839372U (en) | 2020-10-31 | 2020-10-31 | Outer cylinder and inner drum type arc-shaped composite spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213839372U (en) |
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2020
- 2020-10-31 CN CN202022471911.6U patent/CN213839372U/en active Active
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