CN213088713U

CN213088713U - Mute type gear speed reducer

Info

Publication number: CN213088713U
Application number: CN202021938437.7U
Authority: CN
Inventors: 徐明赋
Original assignee: Dongguan Yongkun Electric Co ltd
Current assignee: Dongguan Yongkun Electric Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-04-30
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a silent type gear speed reducer includes the bottom plate, the top outer wall sliding connection of sound groove bottom plate has damper, and damper's top outer wall center department installs the shell through the bolt, be provided with the amortization subassembly on the inside wall of sound groove shell, and damper is located the welding of the inside top outer wall center department of shell, gear speed reducer is installed through the bolt in the top outer wall center department of sound groove buffer board, and gear speed reducer's output passes through bearing movable mounting on the positive outer wall of shell, the welding has the second shaft cover on the lateral wall of sound groove gear speed reducer's output, and cup jointed first axle sleeve on the lateral wall of second shaft cover. The utility model discloses a cotton cover of amortization that sets up, gear reducer can drive first axle sleeve and second axle sleeve when the working process rotates, and the amortization function of the device has been perfected more in the setting of first connecting block, second connecting block and the cotton cover of amortization.

Description

Mute type gear speed reducer

Technical Field

The utility model relates to a gear reducer technical field especially relates to a silence formula gear reducer.

Background

The gear reducer is an independent closed transmission device between a prime motor and a working machine, is used for reducing the rotating speed and increasing the torque so as to meet the working requirement, and is also used for increasing the speed in some occasions, namely the speed increaser.

The gear reducer is a relatively precise machine, and is used for reducing the rotating speed, so that the output end is often rusted and damaged under the condition of no protection function; a large amount of noise can be generated in the working process of the gear reducer, the working environment can be influenced, and the mood of workers is irritated; moreover, when the gear reducer is in operation, noise and a series of accidents often occur due to vibration, and certain potential safety hazards exist, a silent gear reducer needs to be designed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a silent gear reducer.

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

a silent gear reducer comprises a bottom plate, wherein a damping assembly is connected to the outer wall of the top of the bottom plate in a sliding mode, a shell is installed at the center of the outer wall of the top of the damping assembly through a bolt, a silencing assembly is arranged on the inner side wall of the shell, a buffer plate is welded at the center of the outer wall of the top, located inside the shell, of the damping assembly, a gear reducer is installed at the center of the outer wall of the top of the buffer plate through a bolt, the output end of the gear reducer is movably installed on the outer wall of the front side of the shell through a bearing, a second shaft sleeve is welded on the outer side wall of the output end of the gear reducer, a first shaft sleeve is sleeved on the outer side wall of the second shaft sleeve, a first connecting block in annular structural distribution is welded on the outer side wall of the first shaft sleeve, a second connecting block in annular, and a silencing cotton sleeve is arranged in a gap between the first shaft sleeve and the second shaft sleeve.

Furthermore, a power shaft is movably installed on the outer wall of one side of the shell in a penetrating mode through a bearing, and one end, located inside the shell, of the power shaft is installed on the inner wall of one side of the gear reducer.

Further, the amortization subassembly includes the sponge board, the welding has a plurality of sponge lug on the inside wall that the sponge board is close to gear reducer, and has seted up the sound inlet hole on the sponge board is close to the interior wall of surveying of sponge lug.

Further, the sound groove that is linked together with the sound inlet hole is seted up to the inside of sponge board, and the bent plate is installed through the bolt in the inside of sound groove, the opposite side inner wall welding that the sponge board was kept away from to the sound groove has the acoustic baffle, and the acoustic baffle welding is on the inside wall of shell.

Further, damper unit includes the roof, and has seted up the spout on the bottom plate is close to the top both sides outer wall of roof, the bottom both sides outer wall that the roof is close to the bottom plate has seted up the thread slipping, and thread slipping sliding connection is in the inside of spout.

Furthermore, a first mounting groove is formed in the outer wall between the top plate and the bottom plate, a second mounting groove is formed in the portion, close to the first mounting groove, of the top plate, the inner portion of the first mounting groove is welded with a limiting column penetrating through the portion, inside the second mounting groove, of the limiting column, and the spring is sleeved on the outer side wall, inside the first mounting groove, of the limiting column.

The utility model has the advantages that:

1. through the cotton cover of amortization that sets up, gear reducer can drive first axle sleeve and second axle sleeve when the course of the work and rotate, and then has realized the protection of gear reducer output and the function of making an uproar of falling, and the amortization function of the device has been perfected more in the setting of first connecting block, second connecting block and the cotton cover of amortization.

2. Through the bent plate that sets up, when the noise passes through the inside that sponge lug and sponge board got into the sound groove, can carry out the effect of amortization, and the bent plate with inhale the amortization structure that the setting of giving birth to the board then perfected the device more, make the device make things convenient for operator's use more, reduced the device to the operator because of the influence of noise.

3. Through the spring that sets up, when the operator starts gear reducer, gear reducer can produce certain vibrations power, and the gag lever post passes through spring sliding connection at the second mounting groove, can greatly reduce the produced vibrations power of the device, has improved the device's steady force, makes the operator use more convenient, has reduced because of the accident that vibrations take place, has increased the device's life.

Drawings

Fig. 1 is a schematic structural view of a silent gear reducer provided by the present invention;

fig. 2 is a schematic view of an output end structure of a silent gear reducer provided by the present invention;

fig. 3 is a schematic plan view of a silent gear reducer of the present invention;

fig. 4 is a schematic structural view of a silencing assembly of a silent gear reducer provided by the present invention;

fig. 5 is the utility model provides a damping assembly schematic structure of silent type gear reducer.

In the figure: 1 bottom plate, 2 damper, 3 shells, 4 amortization subassemblies, 5 buffer boards, 6 gear speed reducers, 7 first axle sleeve, 8 second axle sleeves, 9 first connecting blocks, 10 second connecting blocks, 11 power shafts, 12 sponge lugs, 13 sponge boards, 14 sound inlet holes, 15 sound grooves, 16 bent boards, 17 sound absorbing boards, 18 first mounting grooves, 19 spacing posts, 20 springs, 21 second mounting grooves, 22 slide grooves, 23 sliding buckles, 24 amortization cotton covers, 25 roof.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a silent gear reducer includes a base plate 1, a damping assembly 2 is slidably connected to a top outer wall of the base plate 1, a housing 3 is mounted at a center of a top outer wall of the damping assembly 2 through a bolt, a silencing assembly 4 is disposed on an inner side wall of the housing 3, a buffer plate 5 is welded at a center of a top outer wall of the damping assembly 2 inside the housing 3, a gear reducer 6 is mounted at a center of a top outer wall of the buffer plate 5 through a bolt, an output end of the gear reducer 6 is movably mounted on a front outer wall of the housing 3 through a bearing, a second sleeve 8 is welded on an outer side wall of an output end of the gear reducer 6, a first sleeve 7 is sleeved on an outer side wall of the second sleeve 8, a first connecting block 9 distributed in an annular structure is welded on an outer side wall of the first sleeve 7 between the first sleeve 7 and the second sleeve, and the inner side wall of the first shaft sleeve 7 is welded with a second connecting block 10 which is distributed in an inner ring structure, a silencing cotton sleeve 24 is arranged in a gap between the first shaft sleeve 7 and the second shaft sleeve 8, when an operator starts the gear reducer 6, the output end of the gear reducer 6 drives the second shaft sleeve 8 to rotate, the second shaft sleeve 8 drives the first connecting block 9, the second connecting block 10, the silencing cotton sleeve 24 and the first shaft sleeve 7 to rotate, thereby realizing the silencing and protecting functions of the gear reducer 6, leading the device to be more suitable for popularization and utilization, leading the silencing cotton sleeve 24 to adopt a sponge honeycomb structure, dividing a honeycomb core in a honeycomb into a plurality of closed cells, preventing air from flowing, leading sound waves to be blocked, improving the sound absorption coefficient, meanwhile, the strength of the composite structure is improved, different perforation rate designs are carried out, and the sound absorption coefficient of the composite structure is controlled within a certain range.

Furthermore, a power shaft 11 is movably installed on the outer wall of one side of the shell 3 in a penetrating mode through a bearing, one end, located inside the shell 3, of the power shaft 11 is installed on the inner wall of one side of the gear reducer 6, the power shaft 11 is arranged to provide power support for the gear reducer 6, manpower is saved, and the device is enabled to run more effectively.

Further, amortization subassembly 4 includes sponge board 13, the welding has a plurality of sponge lug 12 on the inside wall that sponge board 13 is close to gear reducer 6, and sponge board 13 has seted up sound inlet 14 on being close to the interior wall of surveying of sponge lug 12, when the noise passes through sound inlet 14, can be carried out the noise by sponge board 13 and sponge lug 12 and absorb, sponge board 13 and sponge lug 12 adopt porousness (or fibrous) material shaping cutting, can eliminate the standing wave, reach the requirement of stopping the echo, user's use has been made things convenient for.

Further, the inside of the sponge board 13 is provided with a sound groove 15 communicated with the sound inlet hole 14, the inside of the sound groove 15 is provided with a curved plate 16 through bolts, the inner wall of the other side of the sound groove 15, which is far away from the sponge board 13, is welded with a sound absorbing plate 17, the sound absorbing plate 17 is welded on the inner side wall of the shell 3, when noise enters the inside of the sound groove 15 from the sound inlet hole 14, the noise can be absorbed by the curved plate 16, the noise reduction function of the device is more perfected by the arrangement of the sound absorbing plate 17, the sound absorbing plate 17 and the curved plate 15 are provided with a large number of tiny communicated pores, the sound waves can penetrate into the material along the pores, the sound energy is converted into heat energy through friction with the material, the sound absorbing characteristic of the porous sound absorbing material is gradually increased along with the increase of frequency, which means that the low-frequency absorption is not well absorbed by.

Further, damper 2 includes roof 25, and has seted up spout 22 on the bottom plate 1 is close to the top both sides outer wall of roof 25, and roof 25 has seted up thread slipping 23 near the bottom both sides outer wall of bottom plate 1, and thread slipping 23 sliding connection is in the inside of spout 22, and the spout 22 and the thread slipping 23 of seting up on roof 25 and bottom plate 1 provide certain limiting displacement for damper 2's shock-absorbing function, make the shock attenuation effect more effective.

Further, first mounting groove 18 has been seted up on the outer wall between roof 25 and the bottom plate 1, and second mounting groove 21 has been seted up to the inside that roof 25 is close to first mounting groove 18, the inside welding of first mounting groove 18 has the spacing post 19 that runs through to the inside of second mounting groove 21, and spacing post 19 is located and has cup jointed spring 20 on the inside lateral wall of first mounting groove 18, when gear reducer 6 is when the course of the work, spring 20 sets up to the device shock-absorbing function provides important help, and the shock attenuation effect of the device has been more perfect in seting up of first mounting groove 18 and second mounting groove 21, make the device more safe effective.

The working principle is as follows: when a user uses the device, firstly, the device is placed at a designated position, secondly, the power shaft 11 drives the gear reducer 6 to move, the output end of the gear reducer 6 drives the second shaft sleeve 8 to rotate, the second shaft sleeve 8 drives the first connecting block 9 to rotate, the first connecting block 9 drives the second connection 10 and the first shaft sleeve 7 to rotate through the silencing cotton sleeve 24, so that the silencing and output end protection functions of the device are realized, when the gear reducer 6 works, noise can be subjected to first noise reduction through the sponge bump 12, when other noise enters the interior of the sound groove 15 through the sound inlet hole 14, the noise can be subjected to second noise reduction through the curved plate 16, when the noise passes through the curved plate 16, the noise can be subjected to third absorption by the sound absorption plate 17, when the gear reducer 6 works, certain vibration force can be generated, so that the spring 20 is connected in the second mounting groove 21 in a sliding manner through the limiting rod 19, and the slider 23 is slidably coupled inside the slide groove 22.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A silent gear speed reducer comprises a bottom plate (1) and is characterized in that a damping component (2) is connected to the outer wall of the top of the bottom plate (1) in a sliding mode, a shell (3) is installed at the center of the outer wall of the top of the damping component (2) through a bolt, a silencing component (4) is arranged on the inner side wall of the shell (3), a buffer plate (5) is welded at the center of the outer wall of the top of the damping component (2) located inside the shell (3), a gear speed reducer (6) is installed at the center of the outer wall of the top of the buffer plate (5) through a bolt, the output end of the gear speed reducer (6) is movably installed on the outer wall of the front face of the shell (3) through a bearing, a second shaft sleeve (8) is welded on the outer side wall of the output end of the gear speed reducer (6, the welding has first connecting block (9) that is the ring configuration and distributes on the lateral wall that first axle sleeve (7) are located between first axle sleeve (7) and second axle sleeve (8), and the welding has second connecting block (10) that is the ring configuration and distributes on the inside wall of first axle sleeve (7), be provided with the cotton cover of amortization (24) in the space between first axle sleeve (7) and second axle sleeve (8).

2. The silent gear reducer according to claim 1, wherein a power shaft (11) is movably installed through the outer wall of one side of the housing (3) by a bearing, and one end of the power shaft (11) located inside the housing (3) is installed on the inner wall of one side of the gear reducer (6).

3. The silent gear reducer according to claim 1, wherein the silencing assembly (4) comprises a sponge plate (13), a plurality of sponge bumps (12) are welded on the inner side wall of the sponge plate (13) close to the gear reducer (6), and sound inlet holes (14) are formed in the inner side wall of the sponge plate (13) close to the sponge bumps (12).

4. The silent type gear reducer according to claim 3, wherein the sponge plate (13) is provided with a sound groove (15) inside which is communicated with the sound inlet hole (14), the sound groove (15) is provided with a curved plate (16) inside by bolts, the sound groove (15) is welded with a sound absorbing plate (17) on the inner wall of the other side of the sponge plate (13), and the sound absorbing plate (17) is welded on the inner side wall of the housing (3).

5. The silent gear reducer according to claim 1, wherein the damping assembly (2) comprises a top plate (25), sliding grooves (22) are formed in outer walls of two sides of the top of the bottom plate (1) close to the top plate (25), sliding buckles (23) are formed in outer walls of two sides of the bottom of the top plate (25) close to the bottom plate (1), and the sliding buckles (23) are slidably connected to the inner portions of the sliding grooves (22).

6. The silent gear reducer according to claim 5, wherein a first mounting groove (18) is formed in an outer wall between the top plate (25) and the bottom plate (1), a second mounting groove (21) is formed in the top plate (25) close to the first mounting groove (18), a limiting column (19) penetrating into the second mounting groove (21) is welded in the first mounting groove (18), and a spring (20) is sleeved on an outer side wall of the limiting column (19) in the first mounting groove (18).