CN214699113U

CN214699113U - Gear box upper and lower shells with noise reduction mechanism

Info

Publication number: CN214699113U
Application number: CN202120080765.6U
Authority: CN
Inventors: 胡永峰; 顾董斌; 陈德来
Original assignee: Suzhou Jiecheng Precision Die Casting Co ltd
Current assignee: Suzhou Jiecheng Precision Die Casting Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-11-12
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a gear box upper and lower casing with noise reduction mechanism, including the epitheca, first round pin hole has been seted up to the inside both sides of epitheca, and the counter sink has been seted up to first round pin hole outside both sides, and the fixed mounting panel of surface mounting under the epitheca, and the fixed slot has been seted up to the inside lower surface of mounting panel, and the sound insulation fiberboard is placed inside the fixed slot, and sound insulation fiberboard lower surface both sides are equipped with the elasticity buckle, and elasticity buckle swing joint is inside the draw-in groove, and the epitheca lower surface is equipped with the inferior valve, and the inside upper surface both sides of inferior valve have been seted up the second round pin hole, and the outside both sides of second round pin hole are equipped with the screw hole; place the fibreboard that gives sound insulation inside the fixed slot earlier, through the elasticity buckle of pushing down both sides for the elasticity buckle atress is to the inside shrink of draw-in groove, places the fibreboard that gives sound insulation inside the fixed slot, fixes the fibreboard that gives sound insulation through the elasticity of elasticity buckle simultaneously, makes the stable installation of the fibreboard that gives sound insulation inside the epitheca, can realize better syllable-dividing effect.

Description

Gear box upper and lower shells with noise reduction mechanism

Technical Field

The utility model relates to an equipment technical field of making an uproar falls in the gear box specifically is a gear box upper and lower casing with mechanism of making an uproar falls.

Background

Gear refers to a mechanical element on a rim with gears continuously engaged to transmit motion and power. The use of gears in transmissions has long emerged. At the end of the 19 th century, the principle of generating a gear cutting method and the successive appearance of special machine tools and cutters for cutting teeth by using the principle pay attention to the stability of gear operation along with the development of production, and during actual use, the gear is usually placed in a gear box for working.

The gear box in the past can the internal gear meshing produce very big noise because the during operation, and this kind of noise can cause course of working noise pollution on the one hand, indirectly causes resonance phenomenon, produces vibrations together with other medium and causes bigger noise, and current gear box produces a large amount of noises during operation, can not effectively eliminate, and the problem that the aforesaid appears is solved to the urgent need for a gear box with mechanism of making an uproar that falls now under the lower shell.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gear box upper and lower shells with a noise reduction mechanism, which fixes the sound insulation fiber board through the elasticity of an elastic buckle, so that the sound insulation fiber board is stably installed in the upper shell, thereby realizing better sound insulation effect; the problem that a large amount of noise is generated during operation of the existing gearbox and cannot be effectively eliminated in the background art is solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gear box upper and lower casing with mechanism of making an uproar falls, includes the epitheca, first round pin hole has been seted up to the inside both sides of epitheca, the counter sink has been seted up to the outside both sides in first round pin hole, counter sink evenly distributed is inside the epitheca, fixed surface installs the mounting panel under the epitheca, the mounting panel upper surface is the arc structure, the fixed slot has been seted up to the inside lower surface of mounting panel, the inside acoustic fiber board of placing of fixed slot, acoustic fiber board lower surface both sides are equipped with elastic buckle, elastic buckle swing joint is inside the draw-in groove, the draw-in groove is located mounting panel lower surface both sides, the epitheca lower surface is equipped with the inferior valve, second round pin hole has been seted up to the inside upper surface both sides of inferior valve, the outside both sides in second round pin hole are equipped with the screw hole, screw hole evenly distributed is inside the inferior valve.

Preferably, the first pin hole and the second pin hole are correspondingly arranged, and a pin is fixedly inserted in the first pin hole and the second pin hole.

Preferably, the counter bore is arranged corresponding to the threaded hole, a bolt is inserted into the threaded hole through threads, and the top end of the bolt is located inside the counter bore.

Preferably, the upper surface of the interior of the lower shell is provided with a placing groove, and the placing grooves are uniformly distributed on the upper surface of the lower shell.

Preferably, the inner diameter of the first pin hole and the inner diameter of the second pin hole are 10mm, and the depth of the threaded hole is 15 mm.

Preferably, the elastic buckles are located on two sides below the fixing groove, and the clamping groove is not in contact with the fixing groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses be equipped with the acoustic fiber board, elasticity buckle and draw-in groove, when using, place the acoustic fiber board inside the fixed slot first, when the acoustic fiber board is placed in the fixed slot, through the elasticity buckle of pushing down both sides, make elasticity buckle atress shrink to the draw-in groove inside, and then place the acoustic fiber board inside the fixed slot, fix the acoustic fiber board through the elasticity of elasticity buckle simultaneously, and then make the stable installation of acoustic fiber board inside the epitheca, thereby can realize better syllable-dividing effect, the problem that a large amount of noises are produced when having solved current gear box and running, can not effectively eliminate;

2. the utility model discloses be equipped with first cotter hole, second cotter hole and assorted pin, the gear box carries out the during operation, need use behind epitheca and the inferior valve fixed mounting, when carrying out epitheca and inferior valve equipment, peg graft in the inside first cotter hole of epitheca with the pin is fixed earlier, expose the pin end in the epitheca below, again through peg graft in the inside second cotter hole of inferior valve with the pin end is fixed, through the fixed grafting of pin, the effect to epitheca and inferior valve location has been realized, and then fix through threaded connection again, fixed mounting between epitheca and the inferior valve has been realized, and then the gear box can carry out work.

Drawings

FIG. 1 is a schematic view of the internal structure of the upper case of the present invention;

FIG. 2 is a schematic view of the main structure of the lower case of the present invention;

FIG. 3 is a schematic view of the external structure of the upper case of the present invention;

FIG. 4 is a schematic view of the connection structure of the upper case of the present invention;

FIG. 5 is a schematic view of the external overall structure of the present invention;

fig. 6 is a schematic structural diagram of a portion a in fig. 1 according to the present invention.

In the figure: 1. an upper shell; 2. a lower case; 3. mounting a plate; 4. a sound-insulating fiberboard; 5. elastic buckle; 6. a pin; 7. a bolt; 11. a first pin hole; 12. a countersunk hole; 21. a placement groove; 22. a second pin hole; 23. a threaded hole; 31. a card slot; 32. and fixing the grooves.

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 to 6, the present invention provides a technical solution: a gear box upper and lower shell with a noise reduction mechanism comprises an upper shell 1, wherein first pin holes 11 are formed in two sides of the inner part of the upper shell 1, a lower shell 2 is arranged on the lower surface of the upper shell 1, second pin holes 22 are formed in two sides of the inner part of the lower shell 2, the first pin holes 11 and the second pin holes 22 are correspondingly arranged, the inner diameters of the first pin holes 11 and the second pin holes 22 are 10mm, matched pins 6 are fixedly inserted in the first pin holes 11 and the second pin holes 22, when the upper shell 1 and the lower shell 2 are assembled, the pin 6 is fixedly inserted into the first pin hole 11 in the upper shell 1, the tail end of the pin 6 is exposed under the upper shell 1, the tail end of the pin 6 is fixedly inserted into the second pin hole 22 in the lower shell 2, through the fixed grafting of pin 6, realized the effect to epitheca 1 and inferior valve 2 location, and then can realize the accurate installation of epitheca 1 and inferior valve 2.

Counter sink 12 has been seted up to 11 outside both sides in first round pin hole, counter sink 12 evenly distributed is inside 1 epitheca, the outside both sides in second round pin hole 22 are equipped with screw hole 23, screw hole 23 evenly distributed is inside 2 inferior valve, screw hole 23 internal thread screw thread is pegged graft and is had bolt 7, bolt 7 top is located inside counter sink 12, the whole specification of screw hole 23 is M8 x 1.5, with

epitheca

1 and 2 accurate positioning back of inferior valve, peg graft in 2 inside screw hole 23 of inferior valve through 1 inside counter sink 12 screw thread with bolt 7, and then realize the fixed mounting of epitheca 1 and inferior valve 2, and then can carry out work.

The lower surface of the upper shell 1 is fixedly provided with the mounting plate 3, the upper surface of the mounting plate 3 is of an arc structure, the lower surface of the inner part of the mounting plate 3 is provided with the fixing groove 32, the sound insulation fiber plate 4 is placed in the fixing groove 32, two sides of the lower surface of the sound insulation fiber plate 4 are provided with the elastic buckles 5, the elastic buckles 5 are movably connected to the inner part of the clamping groove 31, the clamping groove 31 is positioned on two sides of the lower surface of the mounting plate 3, the arc structure of the upper surface of the mounting plate 3 is arranged corresponding to the lower surface of the upper shell 1, so that the mounting plate 3 can be fixedly mounted on the lower surface of the upper shell 1, when in use, the sound insulation fiber plate 4 is firstly placed in the fixing groove 32, the elastic buckles 5 on two sides are pressed downwards, so that the elastic buckles 5 are stressed to contract towards the inner part of the clamping groove 31, the sound insulation fiber plate 4 is placed in the fixing groove 32, and meanwhile, the sound insulation fiber plate 4 is fixed through the elasticity of the elastic buckles 5, and then make the stable installation of acoustic fiber board 4 inside upper shell 1 to better syllable-dividing effect has been realized, and when needing to dismantle acoustic fiber board 4, only need push into draw-in groove 31 with elastic buckle 5 inside, make elastic buckle 5 no longer compress tightly at acoustic fiber board 4 both sides, and then take off acoustic fiber board 4 can.

The standing groove 21 has been seted up to the inside upper surface of inferior valve 2, and standing groove 21 evenly distributed is in inferior valve 2 upper surface, and when using, the gear that will treat to use is placed inside inferior valve 2 through standing groove 21, and then accomplishes the back with epitheca 1 and inferior valve 2 equipment, can carry out work.

The working principle is as follows: during the use, fix the peg 6 with pegging graft in the inside first cotter hole 11 of epitheca 1 earlier, expose 6 ends of peg in epitheca 1 below, through pegging graft 6 ends fixed in the inside second cotter hole 22 of inferior valve 2 again, through the fixed grafting of peg 6, realized the effect to epitheca 1 and inferior valve 2 location, peg graft in the inside screw hole 23 of inferior valve 2 through the inside counter sink 12 screw thread of epitheca 1 with bolt 7 again, and then realize the fixed mounting of epitheca 1 and inferior valve 2.

Place soundproof fiber board 4 inside fixed slot 32, through the elasticity buckle 5 of pushing down both sides for elasticity buckle 5 atress is to the inside shrink of draw-in groove 31, and then places soundproof fiber board 4 inside fixed slot 32, fixes soundproof fiber board 4 through elasticity of elasticity buckle 5 simultaneously, and then makes the stable installation of soundproof fiber board 4 inside upper shell 1, thereby can realize better syllable-dividing effect.

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 lower casing on gear box with mechanism of making an uproar falls, includes epitheca (1), its characterized in that: the improved sound insulation structure is characterized in that first pin holes (11) are formed in two sides of the inner portion of the upper shell (1), countersunk holes (12) are formed in two sides of the outer portion of the first pin holes (11), the countersunk holes (12) are uniformly distributed in the inner portion of the upper shell (1), a mounting plate (3) is fixedly mounted on the lower surface of the upper shell (1), the upper surface of the mounting plate (3) is of an arc-shaped structure, fixing grooves (32) are formed in the lower surface of the inner portion of the mounting plate (3), sound insulation fiberboards (4) are placed in the fixing grooves (32), elastic buckles (5) are arranged on two sides of the lower surface of the sound insulation fiberboards (4), the elastic buckles (5) are movably connected in clamping grooves (31), the clamping grooves (31) are located on two sides of the lower surface of the mounting plate (3), the lower surface of the upper shell (1) is provided with a lower shell (2), and second pin holes (22) are formed in two sides of the upper surface of the inner portion of the lower shell (2), and threaded holes (23) are formed in two sides of the outer part of the second pin hole (22), and the threaded holes (23) are uniformly distributed in the lower shell (2).

2. The upper and lower gearbox casings with noise reduction mechanisms according to claim 1, wherein: the first pin hole (11) and the second pin hole (22) are correspondingly arranged, and a pin (6) is fixedly inserted in the first pin hole (11) and the second pin hole (22).

3. The upper and lower gearbox casings with noise reduction mechanisms according to claim 1, wherein: the counter sink (12) and the threaded hole (23) are arranged correspondingly, a bolt (7) is inserted into the threaded hole (23) in a threaded manner, and the top end of the bolt (7) is located inside the counter sink (12).

4. The upper and lower gearbox casings with noise reduction mechanisms according to claim 1, wherein: the upper surface of the interior of the lower shell (2) is provided with a placing groove (21), and the placing groove (21) is uniformly distributed on the upper surface of the lower shell (2).

5. The upper and lower gearbox casings with noise reduction mechanisms according to claim 1, wherein: the inner diameters of the first pin hole (11) and the second pin hole (22) are 10mm, and the depth of the threaded hole (23) is 15 mm.

6. The upper and lower gearbox casings with noise reduction mechanisms according to claim 1, wherein: the elastic buckles (5) are located on two sides below the fixing groove (32), and the clamping groove (31) is not in contact with the fixing groove (32).