CN210265748U

CN210265748U - Mute type long-service-life differential mechanism shell

Info

Publication number: CN210265748U
Application number: CN201921101523.XU
Authority: CN
Inventors: 马强; 夏早春; 夏冬明
Original assignee: Zhejiang Mingyuan Machinery Co ltd
Current assignee: Zhejiang Mingyuan Machinery Co ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-07
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a silent type high life differential mechanism casing, which comprises a housin body, the casing body includes sun gear installation shell, goes upward star gear installation shell and downstream star gear installation shell, the first mounting flange of right side fixedly connected with of sun gear installation shell, go upward the equal fixedly connected with second mounting flange in left side of star gear installation shell and downstream star gear installation shell, and through bolt fixed connection between first mounting flange and the second mounting flange, the utility model relates to a differential mechanism makes technical field. This silent type high life differential mechanism casing utilizes split type package assembly to assemble, when the condition that damages appears, only need to change impaired department part can, guarantee the life of all devices to add the acoustical panel in the structure is inside, effectively reduced because the noise that high-speed rotation produced, and then improved the comfort level of using, and reduced manufacturing cost, improved the utilization ratio of resource.

Description

Mute type long-service-life differential mechanism shell

Technical Field

The utility model relates to a differential mechanism makes technical field, specifically is a silence formula high life differential mechanism casing.

Background

The ordinary differential consists of planetary gears, a planetary gear carrier (differential case), a half axle gear and other parts. The power of the engine enters the differential mechanism through the transmission shaft, directly drives the planet wheel carrier, drives the left half shaft and the right half shaft by the planet wheel, respectively drives the left wheel and the right wheel, and the design requirement of the differential mechanism is satisfied: (left half-axle rotation speed) + (right half-axle rotation speed) =2 (planet carrier rotation speed), when the automobile moves straight, the rotation speeds of the left wheel, the right wheel and the planet carrier are equal and in a balanced state, and the balanced state of the left wheel, the right wheel and the planet carrier is damaged when the automobile turns, so that the rotation speed of the inner side wheel is reduced, and the rotation speed of the outer side wheel is increased.

The existing differential shell is mostly formed by integral casting, the shell is utilized to work, the whole shell is damaged once cracking occurs, the integral casting is carried out, the shell is large, the material is not uniform, the stress performance of a product is influenced, the production cost is increased, resources are wasted, and meanwhile, in the using process, the rotating speed is high, large noise is generated easily, and the noise cannot be controlled by the integrally cast shell.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a silence formula high life differential mechanism casing, it forms to have solved current differential mechanism shell and be whole casting many, utilize such shell to work, in case the fracture appears will lead to whole shell to damage, and whole casting, because the shell is great, it is inhomogeneous to appear the material very easily, influence the atress performance of product, not only increase manufacturing cost, still extravagant resource, the in-process that uses simultaneously, because the rotational speed is higher, produce great noise easily, and whole cast shell, and can not carry out the problem controlled to the noise.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a silent type high life differential mechanism casing, includes the casing body, the casing body includes sun gear installation shell, goes up star gear installation shell and star gear installation shell down, the first mounting flange of right side fixedly connected with of sun gear installation shell, the equal fixedly connected with second mounting flange in left side of going up star gear installation shell and star gear installation shell down, and through bolt fixed connection between first mounting flange and the second mounting flange, first fixed slot and second fixed slot have been seted up from a left side to the right side in proper order to the surface of going up star gear installation shell and star gear installation shell down, and the internal surface of first fixed slot and second fixed slot all overlaps and is equipped with the hoop, the internal surface of sun gear installation shell, going up star gear installation shell and star gear installation shell down all has the acoustical panel through the card post joint, and contradict mutually between the three acoustical panel spacing.

Preferably, the inner surfaces of the first fixing groove and the second fixing groove are fixedly connected with first limiting teeth, the surface of the hoop inner ring is fixedly connected with second limiting teeth, and the outer surfaces of the first limiting teeth and the second limiting teeth are meshed.

Preferably, the acoustical panel includes wearing layer, falls the layer of making an uproar, noise damping layer and insulating layer, the bottom on wearing layer and the top laminating of falling the layer of making an uproar, fall the bottom on layer and the top laminating on noise damping layer of making an uproar, the bottom on noise damping layer and the top laminating of insulating layer.

Preferably, the wear-resisting layer is made of polypropylene fiber materials, the noise reduction layer is made of gypsum materials, the sound absorption layer is made of sound absorption cotton materials, and the heat insulation layer is made of aluminum foil materials.

Preferably, the bottom of the heat insulation layer is respectively in close contact with the inner surfaces of the sun wheel mounting shell, the upper star wheel mounting shell and the lower star wheel mounting shell.

Preferably, a first sealing cushion plate is filled between the opposite sides of the first fixing flange and the second fixing flange, and a second sealing cushion is filled between the opposite sides of the upper star wheel mounting shell and the lower star wheel mounting shell.

Advantageous effects

The utility model provides a silence formula high life differential mechanism casing. Compared with the prior art, the method has the following beneficial effects:

(1) the silent type high-service-life differential shell comprises a sun wheel installation shell, an uplink star wheel installation shell and a downlink star wheel installation shell, a first fixing flange fixedly connected to the right side of the sun wheel installation shell, a second fixing flange fixedly connected to the left sides of the uplink star wheel installation shell and the downlink star wheel installation shell, a first fixing groove and a second fixing groove are sequentially formed in the outer surfaces of the uplink star wheel installation shell and the downlink star wheel installation shell from left to right through bolt fixed connection, hoop rings are sleeved on the inner surfaces of the first fixing groove and the second fixing groove, acoustical panels are clamped on the inner surfaces of the sun wheel installation shell, the uplink star wheel installation shell and the downlink star wheel installation shell through clamping columns, and the three acoustical panels are mutually contradicted and limited, and the silent type high-service-life differential shell is matched with the sun wheel installation shell, the uplink star wheel installation shell, the downlink star wheel installation shell, the, The setting of star wheel mounting shell down, first mounting flange, second mounting flange, first fixed slot, second fixed slot, hoop and acoustical panel utilizes split type package assembly to assemble, when the condition of damage appears, only need to change impaired department part can, guarantee the life of all devices, and add the acoustical panel in the structure is inside, effectively reduced because the noise that high-speed rotation produced, and then improved the comfort level of using, and reduced manufacturing cost, improved the utilization ratio of resource.

(2) This silent type high life differential mechanism casing, through the first spacing tooth of the equal fixedly connected with in the internal surface of first fixed slot and second fixed slot, the fixed surface of hoop inner circle is connected with the spacing tooth of second, the surface of first spacing tooth meshes with the surface of the spacing tooth of second mutually, the setting of the spacing tooth of cooperation first spacing tooth and second for the cover that the hoop can be stable is established outside the device, avoid appearing the hoop because vibrations and rock, and then influence the phenomenon of hoop connection stability, guarantee the normal life of device.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a cross-sectional view of the acoustical panel of the present invention;

fig. 3 is a schematic connection diagram of the first limit tooth and the second limit tooth structure of the present invention.

In the figure: the novel planet gear mounting structure comprises a shell body 1, a sun gear mounting shell 2, an upper planet gear mounting shell 3, a lower planet gear mounting shell 4, a first fixing flange 5, a second fixing flange 6, a first fixing groove 7, a hoop 8, a silencing plate 9, a first limiting tooth 10, a second limiting tooth 11, a wear-resistant layer 12, a noise reduction layer 13, a noise reduction layer 14, a heat insulation layer 15, a first sealing cushion plate 16, a second sealing cushion 17 and a second fixing groove 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a silent type high life differential mechanism casing, including casing body 1, casing body 1 includes sun gear installation shell 2, go up star gear installation shell 3 and star gear installation shell 4 down, the first mounting flange 5 of right side fixedly connected with of sun gear installation shell 2, the equal fixedly connected with second mounting flange 6 in left side of going up star gear installation shell 3 and star gear installation shell 4 down, and through bolt fixed connection between first mounting flange 5 and the second mounting flange 6, it has first sealed backing plate 16 to fill between the relative one side of first mounting flange 5 and second mounting flange 6, and it has the sealed pad 17 of second to fill between the relative one side of star gear installation shell 3 and star gear installation shell 4 down, first sealed backing plate 16 and the sealed pad 17 of second can strengthen the stability of being connected between the device structure, and reduce the wearing and tearing loss, first fixed slot 7 and the second fixed slot have been seted up from a left side to the right side in proper order to the outer surface of last star gear installation shell 3 and star gear installation shell 4 down 18, a first fixing groove 7 and a second fixing groove 18, two grooves with the same function, the purpose is to strengthen the stability of connection, the first fixing flange 5 and the second fixing flange 6 are matched to form a triple fixing limit, the stable use of the shell is ensured, the inner surfaces of the first fixing groove 7 and the second fixing groove 18 are both sleeved with a hoop 8, the inner surfaces of the first fixing groove 7 and the second fixing groove 18 are both fixedly connected with a first limiting tooth 10, the surface of the inner ring of the hoop 8 is fixedly connected with a second limiting tooth 11, the outer surface of the first limiting tooth 10 is meshed with the outer surface of the second limiting tooth 11, and the first limiting tooth 10 and the second limiting tooth 11 are matched to ensure that the hoop 8 can be stably sleeved outside the device, so that the phenomenon that the hoop 8 shakes due to vibration and the connection stability of the hoop 8 is influenced is avoided, the normal service life of the device is ensured, and the sun wheel mounting shell 2, The inner surfaces of the upper star wheel mounting shell 3 and the lower star wheel mounting shell 4 are respectively connected with a sound-absorbing plate 9 through clamping columns in a clamping mode, the sound-absorbing plates 9 are the same as the inner structure of the shell body 1 and can be tightly attached to each other, when three sound-absorbing plates 9 form the maximum inner space, the edge plates can be used for limiting mutually, and then the positions of the sound-absorbing plates 9 are fixed, each sound-absorbing plate 9 comprises a wear-resistant layer 12, a noise reduction layer 13, a sound-absorbing layer 14 and a heat-insulating layer 15, the wear-resistant layers 12 are mainly used for avoiding the structures such as internally mounted sun wheels and planet wheels and the like, the normal use of the sound-absorbing plates 9 is ensured, the heat-insulating layers 15 are used for avoiding the situation that the normal use of the sound-absorbing plates 9 is influenced due to the higher temperature generated when the device is used, the bottom of the heat-insulating layers 15, the bottom of the wear-resistant layer 12 is attached to the top of the noise reduction layer 13, the bottom of the noise reduction layer 13 is attached to the top of the noise reduction layer 14, the bottom of the noise reduction layer 14 is attached to the top of the heat insulation layer 15, the wear-resistant layer 12 is made of polypropylene fiber materials, the noise reduction layer 13 is made of gypsum materials, the noise reduction layer 14 is made of sound absorption cotton materials, the heat insulation layer 15 is made of aluminum foil materials, the three noise reduction plates 9 are mutually abutted and limited and are assembled by utilizing a split type assembly structure in cooperation with the arrangement of the sun wheel installation shell 2, the upper planet wheel installation shell 3, the lower planet wheel installation shell 4, the first fixing flange 5, the second fixing flange 6, the first fixing groove 7, the second fixing groove 18, the hoop ring 8 and the noise reduction plates 9, when the damage occurs, only damaged parts need to be replaced, the service life of the whole device is ensured, and the noise reduction plates 9 are added, the noise generated by high-speed rotation is effectively reduced, the use comfort level is further improved, the production cost is reduced, and the resource utilization rate is improved.

During the use, install abatvoix 9 respectively in sun gear installation shell 2, go up star gear installation shell 3 and down star gear installation shell 4, later install differential mechanism inner structure respectively in sun gear installation shell 2 and the star gear installation shell 3 of going up back, use the bolt to pass first mounting flange 5 and second mounting flange 6 and make sun gear installation shell 2 and go up star gear installation shell 3 fixed, again with down star gear installation shell 4 and the star gear installation shell 3 laminating of going up, and use hoop 8 to fix, later reuse the bolt to pass first mounting flange 5 and second mounting flange 6 and make sun gear installation shell 2 and down star gear installation shell 4 fixed, accomplish the installation, when the condition that structural damage appears, can directly demolish the bolt, it can reuse to change the damaged part.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a silence formula high life differential mechanism casing, includes casing body (1), its characterized in that: the casing body (1) comprises a sun wheel installation casing (2), an uplink star wheel installation casing (3) and a downlink star wheel installation casing (4), wherein a first fixing flange (5) is fixedly connected to the right side of the sun wheel installation casing (2), a second fixing flange (6) is fixedly connected to the left sides of the uplink star wheel installation casing (3) and the downlink star wheel installation casing (4), the first fixing flange (5) is fixedly connected with the second fixing flange (6) through bolts, a first fixing groove (7) and a second fixing groove (18) are sequentially formed in the outer surfaces of the uplink star wheel installation casing (3) and the downlink star wheel installation casing (4) from left to right, hoop rings (8) are sleeved on the inner surfaces of the first fixing groove (7) and the second fixing groove (18), silencing plates (9) are clamped on the inner surfaces of the sun wheel installation casing (2), the uplink star wheel installation casing (3) and the downlink star wheel installation casing (4) through clamping columns, and the three sound-absorbing plates (9) are mutually butted and limited.

2. A silent, high life differential case as defined in claim 1, wherein: the inner surfaces of the first fixing groove (7) and the second fixing groove (18) are fixedly connected with first limiting teeth (10), the surface of the inner ring of the hoop (8) is fixedly connected with second limiting teeth (11), and the outer surfaces of the first limiting teeth (10) and the second limiting teeth (11) are meshed.

3. A silent, high life differential case as defined in claim 1, wherein: the noise reduction plate (9) comprises a wear-resistant layer (12), a noise reduction layer (13), a noise reduction layer (14) and a heat insulation layer (15), the bottom of the wear-resistant layer (12) is attached to the top of the noise reduction layer (13), the bottom of the noise reduction layer (13) is attached to the top of the noise reduction layer (14), and the bottom of the noise reduction layer (14) is attached to the top of the heat insulation layer (15).

4. A silent, high life differential case as defined in claim 3, wherein: the wear-resisting layer (12) is made of polypropylene fiber materials, the noise reduction layer (13) is made of gypsum materials, the sound attenuation layer (14) is made of sound absorption cotton materials, and the heat insulation layer (15) is made of aluminum foil materials.

5. A silent, high life differential case as defined in claim 3, wherein: the bottom of the heat insulation layer (15) is respectively in close contact with the inner surfaces of the sun wheel installation shell (2), the upper star wheel installation shell (3) and the lower star wheel installation shell (4).

6. A silent, high life differential case as defined in claim 1, wherein: and a first sealing cushion plate (16) is filled between the opposite sides of the first fixing flange (5) and the second fixing flange (6), and a second sealing cushion (17) is filled between the opposite sides of the upper star wheel mounting shell (3) and the lower star wheel mounting shell (4).