CN212272859U

CN212272859U - Diaphragm spring

Info

Publication number: CN212272859U
Application number: CN202020866544.7U
Authority: CN
Inventors: 陈存陆
Original assignee: Zhejiang Longhua Auto Spare Manufactory Co ltd
Current assignee: Zhejiang Longhua Auto Spare Manufactory Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-01-01
Anticipated expiration: 2030-05-21

Abstract

The utility model provides a diaphragm spring belongs to clutch accessory technical field. It has solved the problem that current diaphragm spring structural strength is low and life is short. This diaphragm spring, circular trompil including dish-shaped body and, it indicates to distribute on the dish-shaped body along radial fluting and a plurality of separation of a plurality of, and the separation indicates to indicate including first separation indicates, second separation indicates and third separation indicates, and the length that the second separation indicated is unanimous with the length that the third separation indicates, and the separation that the first separation indicated indicates that length is less than the length that the second separation indicated and third separation indicates, and the lateral part that the second separation indicated is provided with lets the position mouth. The strength of the separating finger is improved and the service life of the diaphragm spring is prolonged by arranging the reinforcing finger, the arc reinforcing strip I and the arc reinforcing strip II.

Description

Diaphragm spring

Technical Field

The utility model belongs to the technical field of the clutch accessory, a diaphragm spring is related to.

Background

Diaphragm springs, also known as diaphragm disc springs, are slotted disc springs. The so-called diaphragm spring, which is a compression spring, is stamped from spring steel and has a thin-walled diaphragm in the shape of a truncated cone without a bottom disk, and is provided with a plurality of radial slots on the cone from its small end to form resilient levers, while the remaining, non-slotted, large-end truncated cone portion acts as a spring. The diaphragm spring is the most critical part in the clutch and plays roles of generating pressing force on the pressure plate, cutting off power, protecting overload and the like. The structure of the existing diaphragm spring is not stable enough, so that the abrasion degree and the service life of the diaphragm spring are accelerated, and the service life of the clutch is reduced.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a diaphragm spring, it can improve diaphragm spring's intensity and life.

The purpose of the utility model can be realized by the following technical proposal: a diaphragm spring comprises a disk-shaped body and a circular hole arranged at the center of the disk-shaped body, wherein a plurality of radial slots and a plurality of separation fingers are uniformly distributed on the disk-shaped body and are uniformly arranged along the radial direction of the circular hole, and each separation finger is arranged between two adjacent radial slots, and the diaphragm spring is characterized in that the separation fingers comprise a first separation finger group, a second separation finger group and a third separation finger group, the first separation finger group comprises a plurality of pairs of first separation finger pairs arranged at intervals, the first separation finger pairs comprise two pairs of first separation fingers arranged in pairs, the second separation finger group comprises a plurality of pairs of second separation finger pairs arranged at intervals, the third separation finger group comprises a plurality of pairs of third separation finger pairs arranged at intervals, and the third separation finger pairs comprise two third separation fingers arranged in pairs, the first separation finger pair, the second separation finger pair and the third separation finger pair are sequentially arranged at intervals and are annular, the length of the second separation finger is consistent with that of the third separation finger, the length of the first separation finger is smaller than that of the second separation finger and that of the third separation finger, and a yielding port is formed in the side portion of the second separation finger.

In the diaphragm spring, an elastic hole is arranged between the root parts of two adjacent separating fingers, the elastic hole is communicated with the radial slot, and the hole wall of the elastic hole is provided with a convex reinforcing rib. Through setting up elasticity hole and strengthening rib, strengthened separation and pointed the elasticity and the intensity of self, guarantee the structural stability in elasticity hole simultaneously.

In the diaphragm spring, the reinforcing rib is positioned at the center of the wall of the elastic hole.

In the diaphragm spring, the elastic hole is a rectangle with four corners provided with arc chamfers, and the chamfer radius of the arc chamfers close to one end of the radial slot is larger than that of the arc chamfers far away from one end of the radial slot.

In the diaphragm spring, two second separating fingers in the same second separating finger pair are symmetrically arranged by the radial groove between the two second separating fingers, and the abdicating openings on the two second separating fingers are oppositely arranged.

In the diaphragm spring, the inner edges of the relief openings on two second separating fingers in the same second separating finger pair are parallel to each other.

In the diaphragm spring, the top surface or the bottom surface of the disc-shaped body is provided with a two-dimensional code mark.

In the diaphragm spring, the two-dimensional code is marked by a printed pattern or a steel seal pattern.

In the diaphragm spring described above, the side portion of the third split finger of one of the pair of the third split fingers has a semicircular notch toward the other third split finger.

In the diaphragm spring, the first separation finger pair, the second separation finger pair and the third separation finger pair are consistent in number, and the number of the first separation finger pair, the second separation finger pair and the third separation finger pair is 3-5.

Compared with the prior art, the utility model has the advantages of it is following:

1. the reinforcing fingers, the arc reinforcing strips I and the arc reinforcing strips II are arranged, so that the strength of the separating fingers is improved, and the service life of the diaphragm spring is prolonged;

2. the separating finger and the reinforcing finger ring are uniformly arranged in a ring shape, so that the structural stability of the diaphragm spring is better.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the present invention in a free state;

fig. 3 is a cross-sectional view of the detection state of the present invention.

In the figure, 1, a disc-shaped body; 2. circular holes are formed; 3. radially slotting; 4. a first separating finger; 5. a second separating finger; 6. a third separation finger; 7. a let position port; 8. an elastic hole; 9. reinforcing ribs; 10. identifying a two-dimensional code; 11. a semicircular recess.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Referring to fig. 1 to 3, the present embodiment is a diaphragm spring, which includes a disk-shaped body 1 made in an annular shape and a circular opening 2 located in the center of the disk-shaped body 1, wherein a plurality of radial slots 3 and a plurality of separation fingers are uniformly distributed on the disk-shaped body 1, each separation finger is located between two adjacent radial slots 3, each separation finger includes a first separation finger group, a second separation finger group and a third separation finger group, the first separation finger group includes a plurality of pairs of first separation finger pairs arranged at intervals, the first separation finger pair includes two pairs of first separation fingers 4 arranged in pairs, the second separation finger group includes a plurality of pairs of second separation finger pairs arranged at intervals, the second separation finger pair includes two pairs of second separation fingers 5 arranged in pairs, the third separation finger group includes a plurality of pairs of third separation finger pairs arranged at intervals, the third separation finger pair includes two pairs of third separation fingers 6 arranged in pairs, first separation indicates that pair, second separation indicates that pair and third separation indicate that the pair sets up and be the annular in proper order at interval, and the length that the second separation indicated 5 is unanimous with the length that the third separation indicated 6, and the separation that first separation indicated 4 indicates that length is less than the length that second separation indicated 5 and third separation indicated 6, and the lateral part that the second separation indicated 5 is provided with lets a position mouth 7.

Furthermore, an elastic hole 8 is arranged between the root parts of two adjacent separating fingers, the elastic hole 8 is communicated with the radial slot 3, and a convex reinforcing rib 9 is arranged on the hole wall of the elastic hole 8. Through setting up elasticity hole 8 and strengthening rib 9, strengthened separation and pointed the elasticity and the intensity of self, guarantee the structural stability of elasticity hole 8 simultaneously.

Furthermore, the reinforcing ribs 9 are positioned at the central positions of the hole walls of the elastic holes 8, so that the structural stability and the strength are better.

Furthermore, the elastic hole 8 is a rectangle with four corners having arc chamfers, and the chamfer radius of the arc chamfers close to one end of the radial slot 3 is larger than that of the arc chamfers far away from one end of the radial slot 3.

Furthermore, two second separating fingers 5 in the same second separating finger pair are symmetrically arranged with the radial slot 3 located therebetween, and the relief openings 7 on the two second separating fingers 5 are arranged oppositely.

Further, the inner edges of the relief openings 7 on the two second separating fingers 5 in the same second separating finger pair are parallel to each other.

Further, the top surface or the bottom surface of the dish-shaped body 1 is provided with a two-dimensional code mark 10, and the two-dimensional code mark 10 is a printed pattern or a steel seal pattern. The user can obtain various parameter information of the diaphragm spring by scanning the two-dimensional code mark 10.

Further, the side of the third separating finger 6 of one of the third pair of separating fingers has a semicircular notch 11 towards the other third separating finger 6.

Furthermore, the number of the first separation finger pair, the second separation finger pair and the third separation finger pair is consistent, and the number of the first separation finger pair, the second separation finger pair and the third separation finger pair is 3-5.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A diaphragm spring comprises a disc-shaped body (1) and a circular hole (2) positioned in the center of the disc-shaped body (1), wherein a plurality of radial slots (3) and a plurality of separation fingers which are uniformly and radially arranged along the circular hole (2) are uniformly distributed on the disc-shaped body (1), and each separation finger is positioned between two adjacent radial slots (3), the diaphragm spring is characterized in that the separation fingers comprise a first separation finger group, a second separation finger group and a third separation finger group, the first separation finger group comprises a plurality of pairs of first separation finger pairs arranged at intervals, the first separation finger pairs comprise two pairs of first separation fingers (4) arranged in pairs, the second separation finger group comprises a plurality of pairs of second separation finger pairs arranged at intervals, the second separation finger pairs comprise two pairs of second separation fingers (5) arranged in pairs, the third separation finger group comprises a plurality of pairs of third separation finger pairs arranged at intervals, the third separation indicates that pair includes two third separation that set up in pairs indicates (6), first separation indicates that pair, second separation indicate that pair and third separation indicate that the interval sets up in proper order and be the annular, the length that the second separation indicated (5) and third separation indicate (6) are unanimous, the separation that the first separation indicated (4) indicates that length is less than the length that the second separation indicated (5) and third separation indicate (6), the lateral part that the second separation indicated (5) is provided with lets a position mouth (7).

2. The diaphragm spring according to claim 1, wherein a spring hole (8) is formed between the root parts of two adjacent separating fingers, the spring hole (8) is communicated with the radial slot (3), and a convex reinforcing rib (9) is formed on the wall of the spring hole (8).

3. The diaphragm spring according to claim 2, wherein the rib (9) is located at the center of the wall of the resilient hole (8).

4. The diaphragm spring according to claim 2 or 3, wherein the resilient hole (8) is rectangular with four corners each having an arc-shaped chamfer, and the chamfer radius of the arc-shaped chamfer near one end of the radial slot (3) is larger than the chamfer radius of the arc-shaped chamfer far from one end of the radial slot (3).

5. The diaphragm spring according to claim 1, wherein the two second separating fingers (5) of the same pair are symmetrically arranged with the radial slot (3) therebetween, and the relief openings (7) of the two second separating fingers (5) are arranged opposite to each other.

6. The diaphragm spring according to claim 5, wherein the inner edges of the relief openings (7) of two second separating fingers (5) of the same pair are parallel to each other.

7. Diaphragm spring according to claim 1 or 2 or 3 or 5 or 6, characterized in that the top or bottom surface of the dish-shaped body (1) is provided with a two-dimensional code marking (10).

8. The diaphragm spring according to claim 7, wherein the two-dimensional code mark (10) is a printed pattern or a steel seal pattern.

9. Diaphragm spring according to claim 1 or 2 or 3 or 5 or 6, wherein the side of the third separating finger (6) of one of the pairs of third separating fingers has a semicircular recess (11) towards the other third separating finger (6).

10. The diaphragm spring according to claim 1, 2, 3, 5 or 6, wherein the number of the first separation finger pair, the second separation finger pair and the third separation finger pair is the same, and is 3-5.