CN217713579U - Gearbox shell with sound insulation effect - Google Patents

Abstract

The utility model relates to a gearbox casing technical field, specific gearbox shell with sound insulation effect that says so, which comprises a housin, and the even fixed mounting in the upper end outside of casing has the engaging lug, the cavity has been seted up to the inside of casing, the even fixed mounting in inside of cavity has the support column, and the both ends of support column respectively with the upper end and the lower extreme looks fixed connection of cavity, the outside fixed mounting of casing has the valve, and valve and cavity are linked together, the upper surface of casing is inlayed and is installed the sealing strip, pour into sealed glue into through the inside that adopts sealing strip and engaging lug, improve sealed effect, and through the inside vacuumed state of taking out to the cavity, play sound insulation effect, and pass through the rubber pad, soundproof cotton and acoustic celotex, further improve the utility model discloses a sound insulation effect, and then avoid the sound that the inside gear of casing produced to take place to overflow, reduce the noise pollution to the outside, improve and use the travelling comfort.

Description

Gearbox shell with effect gives sound insulation

Technical Field

The utility model relates to a gearbox casing specifically is a gearbox casing with effect gives sound insulation, belongs to gearbox casing technical field.

Background

The gearbox is the device of change speed ratio and direction of motion, be used for the car commonly, the tractor, boats and ships, on lathe and various machines, be used for changing the moment of torsion that is passed to on the driven shaft by the driving shaft according to different operating condition, rotational speed and direction of motion, gear drive's gearbox generally comprises case shell and a plurality of gear pair, when the use of gearbox, a plurality of gears rotate in the inside of gearbox casing, because the meshing of gear, can produce great sound, and present gearbox casing adopts the integral type metal-back to make mostly, it is relatively poor to give sound insulation, lead to sound outdiffusion, the travelling comfort when influence uses.

However, carry out syllable-dividing mode to the transmission casing now, adopt parcel soundproof cotton mostly, nevertheless when using, can lead to transmission casing outside volume great, and when wrapping up, also can lead to the noise outdiffusion when having the gap, and the soundproof effect is limited, is not convenient for use.

In view of this special proposition the utility model discloses, when using, it is stronger to the sealed effect of parcel of gear train, and plays stronger syllable-dividing effect, travelling comfort when improving the use.

Disclosure of Invention

The utility model aims at providing a gearbox shell with effect gives sound insulation in order to solve above-mentioned problem, when using, it is stronger to the sealed effect of parcel of gear train, and plays stronger syllable-dividing effect, travelling comfort when improving the use.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a gearbox housing with effect gives sound insulation, including the casing, just the even fixed mounting in the upper end outside of casing has the engaging lug, the cavity has been seted up to the inside of casing, the even fixed mounting in inside of cavity has the support column, just the both ends of support column respectively with the upper end and the lower extreme looks fixed connection of cavity, the outside fixed mounting of casing has the valve, just the valve with the cavity is linked together, the upper surface of casing is inlayed and is installed the sealing strip, when using, through two the casing is connected, is convenient for carry out the cladding to the gear train, and when carrying out the cladding, through the engaging lug is convenient for with two fix between the casing to when carrying out the fixing, through the sealing strip improves the sealed effect when connecting, avoid when using, the noise that produces to overflow through the gap, and after installing, through the valve will the inside air of cavity is taken out, make the inside vacuum state that forms of cavity, and then improves the utility model discloses a sound insulation effect reduces the sound, and passes through the support column avoids owing to set up the intensity that the cavity leads to the life is convenient for use reduces.

Further, the upper surface of casing is seted up flutedly, just the sealing strip is inlayed and is installed the inside of recess, the connecting hole has vertically been seted up on the engaging lug, just blind groove has been seted up to the inside intermediate position of engaging lug, just blind groove is located the intermediate position of connecting hole, the injecting glue hole has been seted up to one side of engaging lug, the injecting glue hole with blind groove is linked together, through the injecting glue hole, it is right to be convenient for the sealed glue of inside injection in blind groove improves sealed effect.

Further, the inboard fixed mounting of casing has the rubber pad, just the inboard fixed mounting of rubber pad has soundproof cotton, one side of rubber pad with the inner wall of casing looks fixed connection, the inside of casing is located soundproof cotton's one side fixed mounting has the acoustic celotex board, just the acoustic celotex board adopts cellular board to make, the acoustic celotex board with soundproof cotton looks fixed connection, the even fixed mounting in inboard of casing has the stationary blade, just the stationary blade runs through the rubber pad with soundproof cotton extends to the outside of acoustic celotex board, just the outside of stationary blade is open structure, the rubber pad the soundproof cotton with the acoustic celotex board passes through stationary blade fixed mounting is in on the casing, one side coating of acoustic celotex board has the wear-resistant glue that has fine and close round hole, just wear-resistant glue adsorbs to be fixed the acoustic celotex board with on the stationary blade, the rubber pad the soundproof cotton with the shape of acoustic celotex board with the shape of casing inside is identical, through the acoustic celotex board with soundproof cotton further improves the soundproof effect.

The utility model discloses a technological effect and advantage: when using, pour into sealed glue into through the inside of adopting sealing strip and engaging lug, improve sealed effect, and through the inside vacuumed state of taking out to the cavity, play syllable-dividing effect to through rubber pad, soundproof cotton and acoustic celotex board, further improve the utility model discloses a soundproof effect, and then avoid the sound that the inside gear of casing produced takes place to overflow, reduces the noise pollution to outside, improves and uses the travelling comfort.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the present invention after being partially cut open;

FIG. 3 is a partially enlarged schematic structural view of the present invention;

FIG. 4 is a schematic view of the structure of the utility model, which is turned over after being partially enlarged;

in the figure: 1. a housing; 2. connecting lugs; 3. a cavity; 4. a support pillar; 5. a valve; 6. a sealing strip; 7. a groove; 8. connecting holes; 9. a blind groove; 10. injecting glue holes; 11. a rubber pad; 12. sound insulation cotton; 13. a sound insulating board; 14. a fixing sheet; 15. and (3) wear-resistant glue.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Please refer to fig. 1-4, a gearbox housing with sound insulation effect, including casing 1, and the even fixed mounting in the upper end outside of casing 1 has engaging lug 2, cavity 3 has been seted up to the inside of casing 1, the even fixed mounting in inside of cavity 3 has support column 4, and support column 4's both ends respectively with cavity 3's upper end and lower extreme looks fixed connection, casing 1's outside fixed mounting has valve 5, and valve 5 is linked together with cavity 3, casing 1's upper surface is inlayed and is installed sealing strip 6, when using, connect through two casing 1, be convenient for carry out the cladding to the gear train, and when carrying out the cladding, through engaging lug 2, be convenient for fix between two casing 1, and when fixing, through sealing strip 6, improve the sealed effect when connecting, avoid when using, the noise that the production produces is excessive through the gap, and after installing, through valve 5, take out the inside air of cavity 3, make the inside vacuum state that forms of cavity 3, and then improve the utility model discloses a sound insulation effect, and avoid because set up support column 4, avoid influencing the utility model discloses the life is reduced.

Casing 1's upper surface is seted up flutedly 7, and sealing strip 6 inlays the inside of installing at recess 7, connecting hole 8 has vertically been seted up on engaging lug 2, and the inside intermediate position of engaging lug 2 has seted up blind groove 9, and blind groove 9 is located the intermediate position of connecting hole 8, glue injection hole 10 has been seted up to one side of engaging lug 2, glue injection hole 10 is linked together with blind groove 9, when connecting between two casings 1, run through connecting hole 8 through outside bolt, make between two casings 1 the tight connection of phase compression, and after connecting the completion, through glue injection hole 10, pour into the inside in blind groove 9 with outside sealed glue, be convenient for seal the position of connecting lug 2 carrying out the connection, avoid producing the gap, and improve the stability after connecting.

The inner side of the shell 1 is fixedly provided with a rubber pad 11, the inner side of the rubber pad 11 is fixedly provided with soundproof cotton 12, one side of the rubber pad 11 is fixedly connected with the inner wall of the shell 1, one side of the inner part of the shell 1, which is positioned at the soundproof cotton 12, is fixedly provided with a sound insulation board 13, the sound insulation board 13 is made of a cellular board, the sound insulation board 13 is fixedly connected with the soundproof cotton 12, the inner side of the shell 1 is uniformly and fixedly provided with a fixing sheet 14, the fixing sheet 14 penetrates through the rubber pad 11 and the soundproof cotton 12 and extends to the outer side of the sound insulation board 13, the outer side of the fixing sheet 14 is of an open structure, the rubber pad 11, the soundproof cotton 12 and the sound insulation board 13 are fixedly arranged on the shell 1 through the fixing sheet 14, one side of the sound insulation board 13 is coated with wear-resistant glue 15 with fine round holes, and wear-resistant glue 15 adsorbs to be fixed on acoustic celotex board 13 and stationary blade 14, rubber pad 11, the shape of soundproof cotton 12 and acoustic celotex board 13 is identical with the inside shape of casing 1, when using, through wear-resistant glue 15, avoid when the gear train rotates, lead to lubricated liquid to get rid of the gap that blocks up on the acoustic celotex board 13 in the inboard of casing 1, and pass through acoustic celotex board 13, make sound refract in the inside of acoustic celotex board 13, and weak, reduce the effect that sound outwards propagated, and through soundproof cotton 12, further improve the syllable-dividing effect to the noise, and through stationary blade 14, be convenient for fix rubber pad 11, soundproof cotton 12 and acoustic celotex board 13.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a gearbox housing with effect gives sound insulation which characterized in that: including casing (1), just the even fixed mounting in the upper end outside of casing (1) has engaging lug (2), cavity (3) have been seted up to the inside of casing (1), the even fixed mounting in the inside of cavity (3) has support column (4), just the both ends of support column (4) respectively with the upper end and the lower extreme looks fixed connection of cavity (3), the outside fixed mounting of casing (1) has valve (5), just valve (5) with cavity (3) are linked together, the last surface mosaic of casing (1) installs sealing strip (6).

2. A transmission housing having a sound dampening effect as claimed in claim 1 wherein: a groove (7) is formed in the upper surface of the shell (1), and the sealing strip (6) is mounted in the groove (7) in an embedded mode.

3. A gearbox housing with sound dampening effect according to claim 1, characterised in that: connecting hole (8) have vertically been seted up on engaging lug (2), just blind groove (9) have been seted up to the inside intermediate position of engaging lug (2), just blind groove (9) are located the intermediate position of connecting hole (8), glue injection hole (10) have been seted up to one side of engaging lug (2), glue injection hole (10) with blind groove (9) are linked together.

4. A gearbox housing with sound dampening effect according to claim 1, characterised in that: the inner side of the shell (1) is fixedly provided with a rubber pad (11), the inner side of the rubber pad (11) is fixedly provided with soundproof cotton (12), and one side of the rubber pad (11) is fixedly connected with the inner wall of the shell (1).

5. The transmission case having a soundproof effect according to claim 4, wherein: the inside of casing (1) is located one side fixed mounting of soundproof cotton (12) has acoustic celotex board (13), just acoustic celotex board (13) adopt cellular board to make, acoustic celotex board (13) with soundproof cotton (12) looks fixed connection.

6. The transmission housing having a sound insulating effect according to claim 5, wherein: the inboard even fixed mounting of casing (1) has stationary blade (14), just stationary blade (14) run through rubber pad (11) with soundproof cotton (12) and extend to the outside of acoustic celotex board (13), just the outside of stationary blade (14) is open structure, rubber pad (11), soundproof cotton (12) with acoustic celotex board (13) pass through stationary blade (14) fixed mounting be in on casing (1).

7. The transmission housing having a sound insulating effect according to claim 6, wherein: one side coating of acoustic celotex board (13) has wear-resisting glue (15) that have fine and close round hole, just wear-resisting glue (15) adsorb to be fixed acoustic celotex board (13) with on stationary blade (14).

8. A transmission housing having a sound dampening effect as claimed in claim 7, wherein: the shapes of the rubber pad (11), the soundproof cotton (12) and the soundproof plate (13) are matched with the shape of the inside of the shell (1).

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