CN219755338U

CN219755338U - DHT clutch airtight mechanism

Info

Publication number: CN219755338U
Application number: CN202320503590.4U
Authority: CN
Inventors: 周日学; 崔司政; 耿宪文
Original assignee: Bog Warner Transmission System Jiangsu Co ltd
Current assignee: Bog Warner Transmission System Jiangsu Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-09-26
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses a DHT clutch airtight mechanism, which relates to the field of clutches, and comprises a DHT clutch and a sealing piece which is arranged at the main hub end of the DHT clutch and has high air tightness; and a pressing member located at the main hub end of the DHT clutch for enhancing the tightness of the seal. According to the DHT clutch airtight mechanism, the bearing pressing block is used for bearing the sealing ring positioned on the outermost layer, so that the sealing ring on the outermost layer is furthest bonded to the inner wall of the carbon ring groove of the main hub on the outermost layer, and meanwhile, the bearing pressing block is matched with the structure of the jacking seat in height, so that the DHT clutch airtight mechanism has higher air tightness; the airtight mechanism is simple in structure, high air tightness of the DHT clutch is guaranteed to the greatest extent through effective sealing of the inner layer, the middle layer and the outer layer, compared with the traditional DHT clutch, the airtight mechanism is difficult to detect, and because the pressing piece is matched with the DHT clutch in structure height based on the sealing piece, the DHT clutch after being completely assembled is indirect, labor efficiency cost of detection can be saved, and better use prospects are brought.

Description

DHT clutch airtight mechanism

Technical Field

The utility model relates to the field of clutches, in particular to a DHT clutch airtight mechanism.

Background

The DHT system structure is more compact and efficient; while conventional automatic transmissions continue to increase the number of transmissions, driving advances are being driven by this, DHT transmissions reduce the number of transmissions.

Because the transmission device of the DHT is fewer, the transmission device has higher requirements on the fitting property of the structure, the transmission device can leave a factory after the DHT clutch is assembled and needs to pass through an air tightness test, and the air tightness of the DHT clutch is directly related to the fitting degree of the internal parts of the DHT clutch;

because the clutch of the type has a special structure, the outer wall of the main hub is provided with a plurality of sections of carbon ring grooves, the oil holes are arranged in the carbon ring grooves, the width of the carbon ring grooves is only 1.5mm, the depth is only 2mm, and the space is narrow, so that the air tightness detection of the DHT clutch has a large difficulty, or the detection is performed by using an X-ray at a large cost, however, the detection precision by using the X-ray is not required, and in order to solve the problem, the air tightness mechanism of the DHT clutch is proposed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the DHT clutch airtight mechanism which has the advantages of jacking sealing, no detection and the like, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: DHT clutch airtight mechanism, including DHT clutch, still include

A sealing member provided at the main hub end of the DHT clutch and having high air tightness;

a pressing piece positioned at the main hub end of the DHT clutch and used for enhancing the air tightness of the sealing piece;

the sealing element comprises three main hub carbon ring grooves formed in the outer wall of the main hub of the DHT clutch.

Preferably, the pressing piece is fixedly connected to the bottom end of the DHT clutch, and the top end of the pressing piece is attached to the sealing piece.

Preferably, three of said main hub carbon ring grooves are based on an array of outer wall paths of the DHT clutch main hub.

Preferably, sealing rings for sealing are arranged on the inner walls of the carbon ring grooves of the three main hubs.

Preferably, the propping piece comprises a main body propping seat, and an outer layer propping piece, a middle layer propping piece and an inner layer propping piece for propping are correspondingly arranged at the top end of the propping seat based on three sealing rings.

Preferably, the bottom of the jacking seat is provided with a bearing pressing block for bearing, and the bottom of the bearing pressing block is provided with a bearing seat for the coupling.

Compared with the prior art, the utility model provides the DHT clutch airtight mechanism, which has the following beneficial effects:

this DHT clutch airtight mechanism accepts the briquetting and is used for accepting the sealing washer that is located outermost, makes the sealing washer of outermost furthest laminating in the inner wall of outermost main wheel hub carbon annular, accepts the briquetting simultaneously and pushes up the high cooperation of structure height of pressure seat, possesses higher gas tightness.

This airtight mechanism of DHT clutch, through the roof pressure piece that sets up, roof pressure seat is based on outer roof pressure piece, middle level roof pressure piece, inlayer roof pressure piece and the high fit of the main hub end of DHT clutch, is lasting pressurized to three sealing washer of in-process to roof pressure seat assembly to the at utmost laminating is in the inner wall of three main hub carbon annular groove, plays the guarantee of substantivity to the high gas tightness of main hub end on the DHT clutch.

This airtight mechanism of DHT clutch, this airtight mechanism's simple structure is through interior, well, outer three-layer effective seal to the high gas tightness of maximum guarantee DHT clutch is compared in the harder detectability of traditional DHT clutch, because of the top casting die highly agrees with the structure of DHT clutch based on the sealing member, and is indirect, the cost of labor efficiency of detection can be removed from to the DHT clutch after the assembly is complete.

Drawings

Fig. 1 is a schematic view of the whole structure of the clutch to which the DHT clutch airtight mechanism of the present utility model is attached.

Fig. 2 is a cross-sectional view of the clutch to which the DHT clutch airtight mechanism of the present utility model is attached.

Fig. 3 is a partial structural profile of the DHT clutch airtight mechanism of the present utility model.

Fig. 4 is a partial structural profile of the DHT clutch airtight mechanism of the present utility model.

In the figure:

1. a DHT clutch; 2. a seal; 3. a pressing piece;

21. a main hub carbon ring groove; 22. a seal ring;

31. a pressing seat; 32. pressing the outer layer to a block; 33. pressing a block on the middle layer; 34. pressing the block on the inner layer; 35. receiving the pressing block; 36. and a bearing seat.

Description of the embodiments

In order that the manner in which the above-recited features, advantages, objects and advantages of the present utility model are obtained, a more particular description of the utility model briefly summarized above may be had by reference to the embodiments thereof which are illustrated in the appended drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

To overcome the shortcomings of the prior art, as shown in fig. 1 and 2, the present utility model provides a DHT clutch airtight mechanism, wherein a pressing member 3 is fixedly connected to the bottom end of a DHT clutch 1, and the top end of the pressing member 3 is attached to a sealing member 2.

Specifically, as shown in fig. 3, in the sealing member 2 for the DHT clutch airtight mechanism, three main hub carbon ring grooves 21 are formed in the outer wall of the main hub on the DHT clutch 1, and three sealing rings 22 are sleeved on the inner, middle and outer sections of the outer wall of the main hub of the DHT clutch 1 based on the corresponding main hub carbon ring grooves 21.

Specifically, as shown in fig. 3 and 4, the pressing piece 3 for the DHT clutch airtight mechanism, the outer layer pressing piece 32, the middle layer pressing piece 33 and the inner layer pressing piece 34 are all opened at the upper end of the pressing seat 31, and the outer layer pressing piece 32, the middle layer pressing piece 33 and the inner layer pressing piece 34 are respectively corresponding to and closely attached to the three sealing rings 22;

a fixing screw is arranged between the bearing pressing block 35 and the jacking seat 31, the bearing pressing block 35 is fixedly connected with the jacking seat 31 through the fixing screw, a fixing screw is arranged between the jacking seat 31 and the bearing seat 36, and the bearing seat 36 is fixedly connected with the bearing pressing block 35 through the fixing screw.

In the DHT clutch airtight mechanism, in the process of assembling the DHT clutch 1, an operator firstly sleeves three sealing rings 22 on the outer wall of a main hub on the DHT clutch 1 through the sealing piece 2 and the pressing piece 3, so that the three sealing rings 22 are respectively matched with the inner walls of three main hub carbon ring grooves 21, and then the pressing piece 3 is assembled;

in the process of assembling the propping piece 3, an outer layer propping block 32, a middle layer propping block 33 and an inner layer propping block 34 on the propping piece 31 respectively correspond to gaps among the three sealing rings 22, and an operator pushes the propping piece 3 into the main hub end of the DHT clutch 1 based on the propping piece 31;

in this process, the outer layer pressing block 32, the middle layer pressing block 33 and the inner layer pressing block 34 are respectively extruded on three sealing rings 22 respectively positioned on the inner walls of the middle and outer layer main hub carbon ring grooves 21, the three sealing rings 22 are pressed and are attached to the inner walls of the three main hub carbon ring grooves 21 to the greatest extent until the pressing seat 31 is completely opposite to the main hub end positioned on the DHT clutch 1, and then the pressing seat 31 is fixed on the main hub end of the DHT clutch 1 through fixing screws;

in contrast, after the installation of the pressing seat 31 is completed, the bearing seat 36 is installed at the input shaft end of the bearing block 35, and the bearing seat 36 and the bearing block 35 are fixed by the fixing screw.

The receiving pressing block 35 is used for receiving the sealing ring 22 positioned on the outermost layer, so that the sealing ring 22 on the outermost layer is maximally attached to the inner wall of the carbon ring groove 21 of the main hub on the outermost layer, and meanwhile, the receiving pressing block 35 is matched with the structure of the jacking seat 31 in height, so that the sealing ring has higher air tightness;

the jacking seat 31 is based on the structural height fit of the outer layer jacking block 32, the middle layer jacking block 33 and the inner layer jacking block 34 with the main hub end of the DHT clutch 1, and the three sealing rings 22 are continuously pressed in the process of assembling the jacking seat 31 so as to be attached to the inner walls of the three main hub carbon ring grooves 21 to the greatest extent, so that the high air tightness of the main hub end of the DHT clutch 1 is guaranteed;

the airtight mechanism is simple in structure, high air tightness of the DHT clutch 1 is guaranteed to the greatest extent through effective sealing of the inner layer, the middle layer and the outer layer, compared with the traditional DHT clutch 1, the airtight mechanism is difficult to detect, and because the pressing piece 3 is matched with the DHT clutch 1 in structure height based on the sealing piece 2, the airtight mechanism is indirect, and the DHT clutch 1 after complete assembly can avoid detection of labor efficiency cost.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

DHT clutch airtight mechanism, comprising a DHT clutch (1), characterized in that: and also comprises

A seal (2) provided at the main hub end of the DHT clutch (1) and having high air tightness;

and a pressing piece (3) positioned at the main hub end of the DHT clutch (1) and used for enhancing the air tightness of the sealing piece (2);

the sealing element (2) comprises three main hub carbon ring grooves (21) which are formed in the outer wall of the main hub of the DHT clutch (1).
2. The DHT clutch air tight mechanism according to claim 1, wherein: the propping piece (3) is fixedly connected to the bottom end of the DHT clutch (1), and the top end of the propping piece (3) is attached to the sealing piece (2).
3. The DHT clutch air tight mechanism according to claim 2, wherein: three main hub carbon ring grooves (21) are based on an outer wall path array of the main hub of the DHT clutch (1).
4. A DHT clutch air tight mechanism according to claim 3, wherein: the inner walls of the three main hub carbon ring grooves (21) are respectively provided with a sealing ring (22) for sealing.
5. The DHT clutch air tight mechanism according to claim 4, wherein: the propping piece (3) comprises a main body propping seat (31), and an outer layer propping block (32), a middle layer propping block (33) and an inner layer propping block (34) for propping are correspondingly arranged at the top end of the propping seat (31) based on three sealing rings (22).
6. The DHT clutch air tight mechanism according to claim 5, wherein: the bottom of the jacking seat (31) is provided with a bearing pressing block (35) for bearing, and the bottom of the bearing pressing block (35) is provided with a bearing seat (36) for coupling.