CN216975580U

CN216975580U - Diaphragm coupling

Info

Publication number: CN216975580U
Application number: CN202220556332.8U
Authority: CN
Inventors: 冯伟; 黄维祥; 尚军; 吴汇刚; 黄超; 毕守业; 吴秀崇; 唐大勇
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-07-15
Anticipated expiration: 2032-03-15

Abstract

The utility model relates to the technical field of couplers and discloses a diaphragm coupler. The diaphragm coupling comprises a diaphragm group, a first buffer spacer, a second buffer spacer, a first half coupling, a second half coupling, a spacer sleeve and a fastener, wherein the diaphragm group is provided with a first through hole, two sides of the diaphragm group are respectively provided with a first positioning sleeve and a second positioning sleeve corresponding to the first through hole, the first buffer spacer is provided with a first positioning hole matched with the first positioning sleeve, the second buffer spacer is provided with a second positioning hole matched with the second positioning sleeve, the first half coupling and the second half coupling are respectively provided with a third through hole and a fourth through hole, the spacer sleeve is arranged in the third through hole, and the fastener sequentially penetrates through the spacer sleeve, the first positioning sleeve, the first through hole, the second positioning sleeve and the fourth through hole. The utility model can effectively deal with external impact load, prolongs the service life and avoids the damage of the transmission and the test bed in the transmission test.

Description

Diaphragm coupling

Technical Field

The utility model relates to the field of couplers, in particular to a diaphragm coupler.

Background

At present, in the offline test of a commercial vehicle transmission product, a transmission test bed is indispensable equipment. After each transmission is qualified through the transmission test stand, the transmission test stand can be off-line to deliver a final assembly vehicle, so that the transmission test stand is always in high-load operation in actual production. The loading structure of derailleur output structure and derailleur test bench is connected through diaphragm coupling usually between, and in the experiment, the derailleur starts, stops and the operation of shifting all can produce instantaneous impact load to diaphragm coupling, and instantaneous impact load can cause diaphragm plastic deformation, fracture, makes diaphragm coupling inefficacy, reduces the life of shaft coupling, still can cause derailleur and test bench to damage.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide a diaphragm coupling capable of effectively coping with an external impact load and prolonging a service life.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a diaphragm coupling, includes diaphragm group, first buffering spacer, second buffering spacer, first half-coupling, second half-coupling, spacer and fastener, diaphragm group is provided with first through-hole, diaphragm group's both sides be provided with respectively with first locating sleeve and the second locating sleeve that first through-hole position corresponds, be provided with on the first buffering spacer with first locating hole of first locating sleeve complex, be provided with on the second buffering spacer with second locating sleeve complex second locating hole, first half-coupling with all be provided with third through-hole and fourth through-hole on the second half-coupling, the spacer set up in the third through-hole, the fastener runs through in proper order the spacer first locating sleeve first through-hole the second locating sleeve with the fourth through-hole.

As an alternative of the diaphragm coupling of the present invention, the first buffer spacer and the second buffer spacer are made of rubber.

As an alternative to the diaphragm coupling of the present invention, the first cushion spacer and the second cushion spacer are each the same shape as the diaphragm group.

As an alternative to the diaphragm coupling of the present invention, the thickness of the first cushion spacer is the same as the height of the first positioning sleeve, and the thickness of the second cushion spacer is the same as the height of the second positioning sleeve.

As an alternative of the diaphragm coupling of the present invention, the first coupling half and the second coupling half are both provided with a plurality of third through holes and a plurality of fourth through holes distributed along the circumferential direction, and the third through holes and the fourth through holes are alternately arranged along the circumferential direction.

As an alternative to the diaphragm coupling of the present invention, the diameter of the third through hole is larger than the diameter of the fourth through hole.

As an alternative of the diaphragm coupling of the present invention, the fastening member includes a fastening bolt and a fastening nut that are connected by a screw thread, one end of the fastening bolt is in interference fit with the spacer, and the other end of the fastening bolt sequentially penetrates through the spacer, the first positioning sleeve, the first through hole, the second positioning sleeve, and the fourth through hole and is connected by a screw thread with the fastening nut.

As an alternative of the diaphragm coupling of the present invention, the diaphragm group includes a plurality of stacked diaphragms, each of which is provided with a fifth through hole, and the fifth through holes of the plurality of diaphragms are stacked to form the first through hole.

As an alternative of the diaphragm coupling, each diaphragm is provided with a plurality of fifth through holes, and the fifth through holes are uniformly distributed on the diaphragm along the circumferential direction.

As an alternative to the diaphragm coupling of the present invention, one end of the diaphragm coupling is connected to the output structure of the transmission and the other end is connected to the loading structure of the transmission test stand.

The utility model has the beneficial effects that:

the utility model provides a diaphragm coupling, wherein a diaphragm group is provided with a first through hole, two sides of the diaphragm group are respectively provided with a first positioning sleeve and a second positioning sleeve which correspond to the first through hole, a first positioning hole matched with the first positioning sleeve is arranged on a first buffer spacer, a second positioning hole matched with the second positioning sleeve is arranged on a second buffer spacer, a third through hole and a fourth through hole are arranged on a first half coupling and a second half coupling, the spacer is arranged in the third through hole, a fastener sequentially penetrates through the spacer, the first positioning sleeve, the first through hole, the second positioning sleeve and the fourth through hole, when the diaphragm coupling is subjected to external impact load, the first buffer spacer and the second buffer spacer on two sides of the diaphragm group can absorb energy so as to reduce the deformation of the diaphragm group caused by large torsion and effectively prevent the diaphragm group from generating plastic deformation and fracture, therefore, the testing device effectively deals with external impact load, prolongs the service life, and avoids damage to the transmission and the test bed caused by instantaneous impact load generated on the diaphragm coupling by starting, stopping and gear shifting operations in the transmission test.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a diaphragm coupling according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a diaphragm coupling provided in accordance with an embodiment of the present invention;

fig. 3 is an exploded view of a diaphragm coupling according to an embodiment of the present invention.

In the figure:

1-a set of membranes; 2-a first buffer spacer; 3-a second buffer spacer; 4-a first half coupling; 5-second half

A coupling; 6-spacer bush; 7-a fastener; 8-a third via; 9-a fourth via;

11-a first via; 12-a first positioning sleeve; 13-a second positioning sleeve;

21-a first positioning hole;

31-a second positioning hole;

71-fastening bolts; 72-tightening the nut.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the present embodiment provides a diaphragm coupling, which can effectively cope with external impact load and prolong the service life, and the diaphragm coupling includes a diaphragm group 1, a first buffer spacer 2, a second buffer spacer 3, a first half coupling 4, a second half coupling 5, a spacer 6 and a fastener 7. The diaphragm group 1 is provided with a first through hole 11, a first positioning sleeve 12 and a second positioning sleeve 13 which correspond to the first through hole 11 are respectively arranged on two sides of the diaphragm group 1, a first positioning hole 21 matched with the first positioning sleeve 12 is arranged on the first buffering spacer 2, a second positioning hole 31 matched with the second positioning sleeve 13 is arranged on the second buffering spacer 3, and accurate positioning installation of the first buffering spacer 2 and the second buffering spacer 3 is achieved.

The first half coupling 4 and the second half coupling 5 are provided with a third through hole 8 and a fourth through hole 9, the spacer 6 is arranged in the third through hole 8, the fastener 7 sequentially penetrates through the spacer 6, the first positioning sleeve 12, the first through hole 11, the second positioning sleeve 13 and the fourth through hole 9, and the spacer 6 can effectively buffer impact force between the fastener 7 and the side wall of the third through hole 8.

When the diaphragm coupling receives external impact load, the first buffer spacer 2 and the second buffer spacer 3 on the two sides of the diaphragm group 1 can absorb energy so as to reduce the deformation quantity of the diaphragm group 1 caused by large torsion and effectively prevent the diaphragm group 1 from generating plastic deformation and fracture, thereby effectively dealing with the external impact load, prolonging the service life and avoiding the damage of a transmission and a test bed caused by the instantaneous impact load generated on the diaphragm coupling by starting, stopping and shifting operations in a transmission test.

For conveniently drawing materials, reduce cost guarantees that first buffering shock insulator 2 and second buffering shock insulator 3 have better buffer capacity, and optionally, the material of first buffering shock insulator 2 and second buffering shock insulator 3 is rubber. Certainly, in other embodiments, the first buffer spacer 2 and the second buffer spacer 3 may also be made of an elastic material such as polyurethane, and the elastic property of polyurethane is between that of plastic and rubber, so that the rubber has the advantages of oil resistance, wear resistance, low temperature resistance, aging resistance, high hardness, and the like. For cost saving, optionally, the first buffer spacer 2 and the second buffer spacer 3 are both the same shape as the membrane group 1.

In order to prevent the first buffer spacer 2 and the second buffer spacer 3 from shaking, optionally, the thickness of the first buffer spacer 2 is the same as the height of the first positioning sleeve 12, and the thickness of the second buffer spacer 3 is the same as the height of the second positioning sleeve 13.

For making first half-coupling 4 and second half-coupling 5 atress even, optionally, all be provided with a plurality of third through holes 8 and a plurality of fourth through holes 9 along circumference distribution on first half-coupling 4 and the second half-coupling 5, third through holes 8 and fourth through holes 9 set up along circumference in turn to make things convenient for forward and reverse to set up fastener 7 in turn, guarantee that first half-coupling 4 and second half-coupling 5 atress are even. To facilitate the mounting of the spacer 6, the diameter of the third through hole 8 is optionally larger than the diameter of the fourth through hole 9.

In order to improve the connection strength of the fastener 7, optionally, the fastener 7 includes a fastening bolt 71 and a fastening nut 72 which are connected in a threaded manner, one end of the fastening bolt 71 is in interference fit with the spacer 6, and the other end of the fastening bolt 71 sequentially penetrates through the spacer 6, the first positioning sleeve 12, the first through hole 11, the second positioning sleeve 13 and the fourth through hole 9 and is connected with the fastening nut 72 in a threaded manner.

To enhance the flexibility of the diaphragm group 1, optionally, the diaphragm group 1 includes a plurality of stacked diaphragms, each diaphragm is provided with a fifth through hole, and the fifth through holes of the plurality of diaphragms are stacked to form the first through hole 11. The relative displacement of the two shafts is compensated through the elastic deformation of the diaphragm, lubrication is not needed, the structure is compact, and elastic vibration reduction is realized. The diaphragm may be a stainless steel sheet material. For convenient assembly, optionally, each membrane is provided with a plurality of fifth through holes, and the fifth through holes are uniformly distributed on the membrane along the circumferential direction.

Optionally, one end of the diaphragm coupling is connected with the output structure of the transmission, and the other end of the diaphragm coupling is connected with the loading structure of the transmission test bed, so that the diaphragm coupling is prevented from generating instantaneous impact load in starting, stopping and shifting operations in a transmission test, and the transmission and the test bed are prevented from being damaged.

When the diaphragm coupling that this embodiment provided received external impact load, the first buffering spacer 2 and the second buffering spacer 3 of diaphragm group 1 both sides can the absorbed energy to reduce the deformation volume that diaphragm group 1 produced because of big torsion, effectively prevent that diaphragm group 1 from producing plastic deformation, fracture, thereby effectively deal with external impact load, prolonged life, avoided starting, stopping and shift gear operation in the derailleur experiment to produce instantaneous impact load to the diaphragm coupling and cause derailleur and test bench to damage.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in some detail by the above embodiments, the utility model is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the utility model, and the scope of the utility model is determined by the scope of the appended claims.

Claims

1. A diaphragm coupling is characterized by comprising a diaphragm group (1), a first buffering spacer (2), a second buffering spacer (3), a first half coupling (4), a second half coupling (5), a spacer (6) and a fastener (7), wherein the diaphragm group (1) is provided with a first through hole (11), two sides of the diaphragm group (1) are respectively provided with a first positioning sleeve (12) and a second positioning sleeve (13) corresponding to the first through hole (11), the first buffering spacer (2) is provided with a first positioning hole (21) matched with the first positioning sleeve (12), the second buffering spacer (3) is provided with a second positioning hole (31) matched with the second positioning sleeve (13), the first half coupling (4) and the second half coupling (5) are both provided with a third through hole (8) and a fourth through hole (9), the spacer bush (6) is arranged in the third through hole (8), and the fastener (7) penetrates through the spacer bush (6), the first positioning sleeve (12), the first through hole (11), the second positioning sleeve (13) and the fourth through hole (9) in sequence.

2. The diaphragm coupling according to claim 1, characterized in that the first buffer spacer (2) and the second buffer spacer (3) are both made of rubber.

3. Diaphragm coupling according to claim 1, characterized in that the first and second buffer spacers (2, 3) are each identical in shape to the diaphragm group (1).

4. Diaphragm coupling according to claim 1, characterized in that the thickness of the first damping spacer (2) is the same as the height of the first positioning sleeve (12) and the thickness of the second damping spacer (3) is the same as the height of the second positioning sleeve (13).

5. Diaphragm coupling according to claim 1, wherein a plurality of said third through holes (8) and a plurality of said fourth through holes (9) are arranged on both said first coupling half (4) and said second coupling half (5), said third through holes (8) and said fourth through holes (9) being arranged alternately in the circumferential direction.

6. Diaphragm coupling according to claim 1, characterized in that the diameter of the third through hole (8) is larger than the diameter of the fourth through hole (9).

7. The diaphragm coupling according to claim 1, wherein the fastening element (7) comprises a fastening bolt (71) and a fastening nut (72) which are in threaded connection, one end of the fastening bolt (71) is in interference fit with the spacer bush (6), and the other end of the fastening bolt (71) penetrates through the spacer bush (6), the first positioning sleeve (12), the first through hole (11), the second positioning sleeve (13) and the fourth through hole (9) in sequence and is in threaded connection with the fastening nut (72).

8. Diaphragm coupling according to claim 1, characterized in that the diaphragm group (1) comprises a plurality of superposed diaphragms, each provided with a fifth through hole, the superposition of the fifth through holes of a plurality of diaphragms forming the first through hole (11).

9. The diaphragm coupling of claim 8 wherein each diaphragm has a plurality of said fifth through holes disposed therein, said fifth through holes being circumferentially evenly distributed in said diaphragm.

10. The diaphragm coupling according to any one of claims 1 to 9 wherein one end of the diaphragm coupling is connected to an output structure of the transmission and the other end is connected to a loading structure of the transmission test stand.