CN215410082U - Low-noise gear speed reducer - Google Patents
Low-noise gear speed reducer Download PDFInfo
- Publication number
- CN215410082U CN215410082U CN202121540925.7U CN202121540925U CN215410082U CN 215410082 U CN215410082 U CN 215410082U CN 202121540925 U CN202121540925 U CN 202121540925U CN 215410082 U CN215410082 U CN 215410082U
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- Prior art keywords
- sealing
- end cover
- groove
- seal
- low
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- Expired - Fee Related
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 111
- 241000237983 Trochidae Species 0.000 claims abstract description 28
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 230000007774 longterm Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 241000463219 Epitheca Species 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a low-noise gear speed reducer which comprises a machine shell, wherein a speed reducing assembly is arranged in the machine shell, one end of the speed reducing assembly is connected with an input shaft, the other end of the speed reducing assembly is connected with an output shaft, the machine shell comprises a top shell and a bottom shell, a sealing opening is formed in the top of the top shell, a sealing end cover is arranged on the sealing opening, a sealing gasket is arranged on the bottom surface of the sealing end cover, a first groove used for embedding the sealing gasket is formed in the opening edge of the sealing opening, a plurality of clamping grooves are vertically formed in the inner side wall of the sealing opening, annular grooves communicated with the clamping grooves are circumferentially formed in the inner side wall of the sealing opening, and a locking piece is rotationally connected to the middle position of the sealing end cover. The utility model has the beneficial effects that: when the sealing washer is aged and deformed due to long-term use, the knob can be rotated to enable the locking pin to rotate to the clamping groove and be separated, so that the limit of the annular groove on the locking pin can be removed, the sealing end cover can be easily detached, the sealing washer can be replaced in time, and the replacement operation is convenient and simple.
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a low-noise gear speed reducer.
Background
The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The device mainly plays a role in matching rotating speed and transmitting torque between a prime mover and a working machine or an actuating mechanism, and is widely applied to modern machines. The speed reducer is generally used for low-speed and large-torque transmission equipment, and the purpose of reducing speed is achieved by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer.
At present, the sealing opening has usually been seted up on the casing to current speed reducer installs end cover on the sealing opening, and can be provided with sealed the pad between end cover and sealing opening, sealed setting up of filling up can improve sealed effect, prevent that air from getting into or engine oil from leaking, however, sealed pad is easy ageing deformation after long-term the use, need regularly change, end cover adopts a plurality of bolt fastening on the sealing opening usually, it is comparatively unchangeable during the dismouting, thereby lead to sealed change of filling up also to become comparatively troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, and provides a low-noise gear reducer which can replace a sealing washer in time and is convenient and simple to replace.
The utility model realizes the aim through the following technical scheme, a low-noise gear reducer comprises a machine shell, wherein a speed reducing assembly is arranged in the machine shell, one end of the speed reducing assembly is connected with an input shaft, the other end of the speed reducing assembly is connected with an output shaft, the machine shell comprises a top shell and a bottom shell, the top of the top shell is provided with a sealing port, a sealing end cover is arranged on the sealing port, a sealing gasket is arranged on the bottom surface of the sealing end cover, a first groove used for embedding the sealing gasket is arranged at the edge of an opening of the sealing port, a plurality of clamping grooves are vertically arranged on the inner side wall of the sealing port, an annular groove communicated with the clamping grooves is circumferentially arranged on the inner side wall of the sealing port, a locking piece is rotationally connected at the middle position of the sealing end cover and comprises a knob arranged on the top surface of the sealing end cover and a rotating table arranged on the bottom surface of the sealing end cover, the side wall of the rotating platform is provided with a plurality of locking pins which are sequentially clamped into the clamping grooves and the annular grooves.
By adopting the technical scheme, because the top of the top shell is provided with the sealing port, the sealing end cover is arranged on the sealing port, and the sealing gasket is arranged on the bottom surface of the sealing end cover, when the sealing end cover is arranged on the sealing port and the sealing gasket is clamped between the sealing end cover and the sealing port, the sealing end cover can be firstly closed on the sealing port, so that the sealing gasket is embedded into the first groove, the locking pin is clamped into the clamping groove and slides to the communication part of the clamping groove and the annular groove, then the knob is rotated, so that the rotating table rotates along with the rotation of the rotating table and drives the locking pin to simultaneously rotate and be clamped into the annular groove, the locking pin is limited through the annular groove, the sealing end cover can be fixed on the sealing port, and the sealing gasket is clamped between the sealing end cover and the sealing port, the installation and the operation are convenient, and when the sealing gasket is aged and deformed due to long-term use, then rotatable knob makes the locking round pin rotate to the draw-in groove and deviates from to can remove the ring channel spacing to the locking round pin, can easily pull down and can in time change seal ring with end cover, it is comparatively convenient simple to change the operation.
According to the utility model, a second groove for embedding the sealing washer is formed in the bottom surface of the sealing end cover, an embedded groove is formed in the inner bottom wall of the second groove, and an embedded block for embedding the embedded groove is arranged on the sealing washer.
Through adopting above-mentioned technical scheme, owing to seted up the second recess on the end cover bottom surface, the caulking groove has been seted up on the interior diapire of second recess, and be provided with the abaculus on sealed gasket, then when installing sealed gasket on the end cover, can be inside sealed gasket embedding second recess, and with inside the abaculus embedding caulking groove, thereby can carry out prepositioning installation to sealed gasket, make sealed gasket can not take place the position deviation when installing on the sealing opening, effectively guaranteed the installation accuracy, the leakproofness is better.
As a further arrangement of the utility model, positioning pins are arranged at four corners of the bottom surface of the sealing end cover, and positioning holes for inserting the positioning pins are arranged at four corners of the opening edge of the sealing opening.
Through adopting above-mentioned technical scheme, owing to all be provided with the locating pin on four angles of end cover bottom surface, and all seted up the locating hole on four angles of seal opening border department, then when closing end cover lid on the seal opening, can aim at four locating holes respectively with four locating pins and insert, then through the location of locating hole to the locating pin, can make end cover's installation more accurate, it is more convenient to operate.
As a further arrangement of the utility model, the cross sections of the positioning pin and the positioning hole are both in a cross shape.
Through adopting above-mentioned technical scheme, because the cross section of locating pin and locating hole all is the cross, then insert the inside back of locating hole at the locating pin, through cross structure's joint, it is more firm to connect, is difficult for taking place to rock to the fastness of location has effectively been guaranteed.
As a further arrangement of the utility model, the reduction assembly comprises a drive gear and a driven gear which mesh with each other, the drive gear having a smaller diameter than the driven gear.
Through adopting above-mentioned technical scheme, because the speed reduction subassembly includes intermeshing's driving gear and driven gear, the driving gear links to each other with the input shaft, driven gear links to each other with the output shaft, and the diameter of driving gear is less than driven gear's diameter, then when the input shaft drives the driving gear and rotates, can drive the output shaft through driven gear and rotate, driven gear's rotational speed can be slower than the driving gear a little for the rotational speed of output shaft is also slower than the input shaft, thereby plays better speed reduction effect.
As a further arrangement of the present invention, the top shell and the bottom shell are detachably mounted together.
Through adopting above-mentioned technical scheme, because be detachably installed together between top shell and the drain pan, then when needs overhaul the casing inside, can unpack top shell and drain pan apart to the convenience is carried out periodic overhaul to the speed reducer, has prolonged the life of speed reducer greatly.
As a further arrangement of the utility model, a first connecting flange is arranged on the top shell, a second connecting flange for being attached to the first connecting flange is arranged on the bottom shell, and the first connecting flange and the second connecting flange are connected together through a plurality of bolts.
Through adopting above-mentioned technical scheme, owing to be provided with first flange on the epitheca, be provided with second flange on the drain pan, then when assembling epitheca and drain pan together, can be with first flange and the laminating of second flange to be in the same place through bolted connection, firm in connection nature is better, and the dismouting is comparatively convenient.
As a further arrangement of the present invention, the top shell and the bottom shell are both made of stainless steel material.
Through adopting above-mentioned technical scheme, because top shell and drain pan all adopt stainless steel material to make, intensity and hardness are higher, and difficult corrosion, life is longer.
Compared with the prior art, the utility model has the beneficial effects that:
the sealing end cover is arranged on the sealing port through the locking piece, when the sealing washer is clamped between the sealing end cover and the sealing port, the sealing end cover can be covered on the sealing port firstly, so that the sealing washer is embedded into the first groove, the locking pin is clamped into the clamping groove and slides to the position where the clamping groove is communicated with the annular groove, then the knob is rotated, the rotating table is rotated along with the rotating table, the locking pin is driven to rotate and clamped into the annular groove simultaneously, the sealing end cover can be fixed on the sealing port through the limit of the annular groove to the locking pin, the sealing washer is clamped between the sealing end cover and the sealing port, the mounting operation is convenient, when the sealing washer is aged and deformed due to long-term use, the knob can be rotated to enable the locking pin to rotate to the clamping groove to be separated, the limit of the annular groove to the locking pin can be removed, the sealing end cover can be easily dismounted, and the sealing washer can be replaced in time, the replacement operation is convenient and simple.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is a partial cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4;
FIG. 6 is a first schematic structural view of a seal end cap, a seal gasket, and a lock member of the present invention;
FIG. 7 is a second schematic structural view of the end cap, sealing gasket, and locking member of the present invention.
Reference numerals: 1. an input shaft; 2. an output shaft; 3. a top shell; 4. a bottom case; 5. sealing the opening; 6. sealing the end cap; 7. a sealing gasket; 8. a first groove; 9. a card slot; 10. an annular groove; 11. a knob; 12. a rotating table; 13. a locking pin; 14. a second groove; 15. caulking grooves; 16. an insert block; 17. positioning pins; 18. positioning holes; 19. a driving gear; 20. a driven gear; 21. a first connecting flange; 22. a second connecting flange; 23. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a low noise gear reducer comprises a housing, a speed reduction assembly disposed inside the housing, the speed reduction assembly including a driving gear 19 and a driven gear 20 engaged with each other, the driving gear 19 having a diameter smaller than that of the driven gear 20, the driving gear 19 connected to an input shaft 1, the driven gear 20 connected to an output shaft 2, the housing including a top shell 3 and a bottom shell 4, the top shell 3 and the bottom shell 4 both made of stainless steel, the top shell 3 and the bottom shell 4 detachably mounted together, a first connecting flange 21 disposed on the top shell 3, a second connecting flange 22 disposed on the bottom shell 4 for attaching to the first connecting flange 21, the first connecting flange 21 and the second connecting flange 22 connected together by a plurality of bolts 23, a sealing opening 5 disposed on the top shell 3, and a sealing cover 6 disposed on the sealing opening 5, a sealing gasket 7 is arranged on the bottom surface of the sealing end cover 6, a first groove 8 for embedding the sealing gasket 7 is arranged at the opening edge of the sealing port 5, a plurality of clamping grooves 9 are vertically arranged on the inner side wall of the sealing port 5, an annular groove 10 communicated with the clamping grooves 9 is circumferentially arranged on the inner side wall of the sealing port 5, a locking piece is rotatably connected at the middle position of the sealing end cover 6 and comprises a knob 11 arranged on the top surface of the sealing end cover 6 and a rotating table 12 arranged on the bottom surface of the sealing end cover 6, a plurality of locking pins 13 used for being sequentially clamped into the clamping grooves 9 and the annular groove 10 are arranged on the side wall of the rotating table 12, a second groove 14 for embedding the sealing gasket 7 is arranged on the bottom surface of the sealing end cover 6, an embedding groove 15 is arranged on the inner bottom wall of the second groove 14, and an embedding block 16 used for embedding the inside of the embedding groove 15 is arranged on the sealing gasket 7, all be provided with locating pin 17 on four angles of end cover 6 bottom surface, and all offer on four angles of 5 opening borders departments of seal opening and be used for locating pin 17 male locating hole 18, the cross section of locating pin 17 and locating hole 18 all is the cross.
Because the top of the top shell 3 is provided with the sealing port 5, the sealing port 5 is provided with the sealing end cover 6, and the bottom surface of the sealing end cover 6 is provided with the sealing gasket 7, when the sealing end cover 6 is arranged on the sealing port 5 and the sealing gasket 7 is clamped between the sealing end cover 6 and the sealing port 5, the sealing end cover 6 can be firstly covered on the sealing port 5, so that the sealing gasket 7 is embedded into the first groove 8, the locking pin 13 is clamped into the clamping groove 9 and slides to the communication part between the clamping groove 9 and the annular groove 10, then the knob 11 is rotated, so that the rotating platform 12 rotates along with the rotation, and drives the locking pin 13 to simultaneously rotate and be clamped into the annular groove 10, the sealing end cover 6 can be fixed on the sealing port 5 through the limit of the annular groove 10 on the locking pin 13, and the sealing gasket 7 is clamped between the sealing end cover 6 and the sealing port 5, the installation and operation are convenient, and when seal ring 7 leads to ageing deformation because of long-term the use, then rotatable knob 11 makes locking round pin 13 rotate to draw-in groove 9 and deviate from to can remove ring channel 10 spacing to locking round pin 13, can easily pull down seal end cover 6 and can in time change seal ring 7, it is comparatively convenient simple to change the operation.
Because the second groove 14 has been seted up on end cover 6 bottom surface, the caulking groove 15 has been seted up on the interior diapire of second groove 14, and be provided with the abaculus 16 on seal ring 7, then when installing seal ring 7 on end cover 6, can be inside seal ring 7 embedding second groove 14, and embed inside abaculus 16 embedding caulking groove 15, thereby can carry out prepositioning installation to seal ring 7, make seal ring 7 can not take place the position deviation when installing on seal mouth 5 seal end cover 6, the installation accuracy has effectively been guaranteed, the leakproofness is better.
Because all be provided with locating pin 17 on four angles of end cover 6 bottom surfaces, and all seted up locating hole 18 on four angles of 5 opening border departments of seal, then when closing end cover 6 lid on seal 5, can aim at four locating holes 18 respectively with four locating pins 17 and insert, then through the location of locating hole 18 to locating pin 17, can make end cover 6's installation more accurate, the operation is more convenient, and because locating pin 17 and locating hole 18's cross section all is the cross, then insert the inside back of locating hole 18 at locating pin 17, joint through cross structure, it is more firm to connect, difficult emergence is rocked, thereby the fastness of location has effectively been guaranteed.
Because the speed reduction assembly includes driving gear 19 and driven gear 20 of intermeshing, driving gear 19 links to each other with input shaft 1, driven gear 20 links to each other with output shaft 2, and the diameter of driving gear 19 is less than driven gear 20's diameter, then when input shaft 1 drove driving gear 19 and rotates, can drive output shaft 2 through driven gear 20 and rotate, driven gear 20's rotational speed can be slower than driving gear 19 for the rotational speed of output shaft 2 is also slower than input shaft 1, thereby plays better speed reduction effect.
Because be detachably installed together between top shell 3 and the drain pan 4, then when needing to overhaul the casing inside, can take top shell 3 and drain pan 4 apart, thereby conveniently overhaul the speed reducer regularly, the life of speed reducer has been prolonged greatly, wherein, owing to be provided with first flange 21 on top shell 3, be provided with second flange 22 on drain pan 4, then when assembling top shell 3 and drain pan 4 together, can laminate first flange 21 and second flange 22, and link together through bolt 23, firm in connection nature is better, the dismouting is comparatively convenient.
Because top shell 3 and drain pan 4 all adopt stainless steel material to make, intensity and hardness are higher, and difficult corrosion, life is longer.
It will be evident to those skilled in the art that the utility model 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 utility model 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 low noise gear speed reducer, includes the casing, the inside speed reduction subassembly that is provided with of casing, speed reduction subassembly one end is connected with input shaft (1), and the other end is connected with output shaft (2), its characterized in that: the casing includes top shell (3) and drain pan (4), seal (5) have been seted up at top shell (3) top, be provided with end cover (6) on seal (5), be provided with seal ring (7) on end cover (6) bottom surface, the opening border department of seal (5) offers first recess (8) that are used for seal ring (7) embedding, a plurality of draw-in grooves (9) have vertically been seted up on the inside wall of seal (5), ring channel (10) that communicate with draw-in groove (9) are seted up to circumference on the inside wall of seal (5), seal (6) intermediate position rotates and is connected with the locking piece, the locking piece is including setting up knob (11) on seal (6) top surface and setting revolving stage (12) on seal (6) bottom surface, be provided with on the lateral wall of revolving stage (12) a plurality of being used for in proper order to block into draw-in groove (9), A locking pin (13) inside the annular groove (10).
2. The low-noise gear reducer according to claim 1, wherein: the sealing end cover (6) is provided with a second groove (14) used for embedding a sealing washer (7) on the bottom surface, an embedded groove (15) is formed in the inner bottom wall of the second groove (14), and an embedded block (16) used for embedding the embedded groove (15) is arranged on the sealing washer (7).
3. The low-noise gear reducer according to claim 1, wherein: all be provided with locating pin (17) on four angles of end cover (6) bottom surface, all offer on four angles of sealed mouth (5) opening border department and be used for locating pin (17) male locating hole (18).
4. A low-noise gear reducer according to claim 3, wherein: the cross sections of the positioning pin (17) and the positioning hole (18) are both in a cross shape.
5. The low-noise gear reducer according to claim 1, wherein: the speed reduction assembly comprises a driving gear (19) and a driven gear (20) which are meshed with each other, and the diameter of the driving gear (19) is smaller than that of the driven gear (20).
6. The low-noise gear reducer according to claim 1, wherein: the top shell (3) and the bottom shell (4) are detachably mounted together.
7. The low-noise gear reducer according to claim 6, wherein: be provided with first flange (21) on top shell (3), be provided with second flange (22) that are used for with first flange (21) laminating on drain pan (4), link together through a plurality of bolts (23) between first flange (21) and second flange (22).
8. The low-noise gear reducer according to claim 1, wherein: the top shell (3) and the bottom shell (4) are both made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121540925.7U CN215410082U (en) | 2021-07-07 | 2021-07-07 | Low-noise gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121540925.7U CN215410082U (en) | 2021-07-07 | 2021-07-07 | Low-noise gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215410082U true CN215410082U (en) | 2022-01-04 |
Family
ID=79646570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121540925.7U Expired - Fee Related CN215410082U (en) | 2021-07-07 | 2021-07-07 | Low-noise gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215410082U (en) |
-
2021
- 2021-07-07 CN CN202121540925.7U patent/CN215410082U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |