CN112797120A

CN112797120A - Arc tooth surface worm speed reducer

Info

Publication number: CN112797120A
Application number: CN202110058105.2A
Authority: CN
Inventors: 李申; 范小斌; 毛剑
Original assignee: Haian Shenling Electrical Appliance Manufacturing Co ltd
Current assignee: Haian Shenling Electrical Appliance Manufacturing Co ltd
Priority date: 2021-01-16
Filing date: 2021-01-16
Publication date: 2021-05-14

Abstract

The invention relates to the technical field of worm speed reducers and discloses a worm speed reducer with an arc-shaped tooth surface. This arc flank of tooth worm speed reducer, when long-time work leads to the worm to damage, with pressing fixed square, fixed square atress back drives side fixed connection's pressing spring and telescopic link and stretches out and draws back, one side of holding the worm again is extracted from the circular slot of first equipment shell, insert the worm that needs to be changed from the circular slot again, it loses pressure and drives the telescopic link and kick-backs to press the spring after putting away fixed square, make the spread groove joint worm of fixed square accomplish the change, effectual worm that has solved the worm speed reducer takes place to damage when changing need dismantle the problem of extravagant operating time with whole, maintenance duration has been reduced.

Description

Arc tooth surface worm speed reducer

Technical Field

The invention relates to the technical field of worm speed reducers, in particular to a worm speed reducer with an arc-shaped tooth surface.

Background

The worm speed reducer is an important device in the present industrial society, has a wide application range, is a power transmission mechanism, utilizes a speed converter of a gear to reduce the revolution number of a motor to a required revolution number and obtain a mechanism with larger torque, can be applied to speed reducers from ships, automobiles and locomotives of vehicles, heavy equipment for buildings, processing equipment and automatic production equipment used in the mechanical industry, common household appliances and clocks in daily life, and has the characteristics of small volume and simple structure compared with other types of speed reducers.

The conventional worm speed reducer needs the rotation of a worm to drive a worm wheel to rotate in the working process, so that the revolution number is adjusted, the worm needs to rotate for multiple times to drive the worm wheel to rotate for a circle in the rotating process, the damage rate of the worm is greatly increased due to long-time rotation friction, when the worm is damaged, the whole shell needs to be disassembled, and then the internal fixing component needs to be disassembled for maintenance, so that the working time is very delayed, meanwhile, in the long-time working process of the worm and the worm wheel, lubricating oil needs to be used for lubricating the bearings, only part of lubricating oil needs to be absorbed between the bearings, the rest of the lubricating oil drips to the bottom of the device to cause waste, the cleaning difficulty is increased, and the worm speed reducer with the arc tooth surface is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the worm speed reducer with the arc-shaped tooth surface, which has the advantages of convenience and rapidness in worm replacement and convenience in recycling of lubricating oil, and solves the problems that the work time is wasted due to the fact that the whole worm of the worm speed reducer needs to be disassembled when being damaged and replaced, and lubricating oil for lubricating a bearing cannot be completely absorbed, so that waste is caused and the lubricating oil is difficult to clean.

The invention provides the following technical scheme: the utility model provides an arc flank of tooth worm speed reducer, includes first equipment shell, circular slot and square groove have all been seted up to the both sides of first equipment shell, the worm has been cup jointed in the inside activity of circular slot, the inside joint of square groove has fixed baseplate, spring and flexible groove pipe are pressed to fixed baseplate's inner wall one side fixedly connected with, the inside sliding connection of flexible groove pipe has the telescopic link, the telescopic link is with the equal fixedly connected with fixed square in side of pressing the spring, the spread groove has been seted up to the side of fixed square, the worm has been cup jointed in the inside activity of spread groove.

Preferably, wall grooves are formed in two sides of the first equipment shell, bearing inserting strips are clamped in the wall grooves, fixing grooves are formed in two sides of the fixing base, and fixing shafts are fixedly connected to the inside of the fixing grooves.

Preferably, the bottom fixedly connected with second equipment shell of first equipment shell, the equal fixed mounting in both sides of second equipment shell has fixed fixture block, the bearing groove has been seted up to the side of fixed fixture block, rolling bearing has been cup jointed in the inside activity of bearing groove, rolling bearing's fixed surface is connected with the worm wheel the surface meshing of worm wheel has the worm.

Preferably, the surface of the fixed shaft is provided with a thread groove, and a fixed nut is arranged inside the thread groove.

Preferably, the bottom of the second equipment shell is fixedly provided with a lubricating oil collecting device, the lubricating oil collecting device comprises a fixing block, a lubricating oil collecting box, a connecting square block, a sliding groove and a sliding block, the bottom of the second equipment shell is fixedly connected with the connecting square block, the sliding groove is formed in one side of the connecting square block, the sliding block is connected to the sliding groove in a sliding mode, the fixing block is fixedly connected to the bottom of the sliding block, and the lubricating oil collecting box is fixedly connected to the bottom of the fixing block.

Preferably, the side surface of the sliding block is fixedly connected with a connecting block, and the other side of the connecting block is fixedly provided with a pull handle.

Compared with the prior art, the invention has the following beneficial effects:

1. this arc flank of tooth worm speed reducer, when long-time work leads to the worm to damage, with pressing fixed square, fixed square atress back drives side fixed connection's pressing spring and telescopic link and stretches out and draws back, one side of holding the worm again is extracted from the circular slot of first equipment shell, insert the worm that needs to be changed from the circular slot again, it loses pressure and drives the telescopic link and kick-backs to press the spring after putting away fixed square, make the spread groove joint worm of fixed square accomplish the change, effectual worm that has solved the worm speed reducer takes place to damage when changing need dismantle the problem of extravagant operating time with whole, maintenance duration has been reduced.

2. This worm speed reducer with arc tooth surface, through dripping lubricating oil into the rolling bearing junction of worm and worm wheel and lubricate, lubricating oil can be absorbed a part, remaining lubricating oil can drip the inner wall of second equipment shell along with the influence of gravity and flow downwards, flow into and accumulate in the lubricating oil collecting box of lubricating oil collection device, pull the slider that drives connecting block side fixed connection with pulling the handle with the hand and extract from the spout of connecting the square, thereby drive the lubricating oil collecting box roll-off under the slider bottom fixed block, carry out the circulation use to the lubricating oil that accumulates, the effectual lubricating oil that has solved worm speed reducer lubricated bearing can not be all absorbed and cause the problem extravagant and be difficult to the clearance, and the cost is saved.

Drawings

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

FIG. 2 is a schematic view of the lubricating oil collecting device of FIG. 1 according to the present invention;

FIG. 3 is a schematic side view of the FIG. 1 embodiment of the present invention;

FIG. 4 is a schematic side cross-sectional view of FIG. 1 in accordance with the present invention;

fig. 5 is a schematic structural view of the elastic fixing device of fig. 1 according to the present invention.

In the figure: 1. a first device housing; 2. a circular groove; 3. a rotating bearing; 4. a lubricating oil collection device; 5. fixing the fixture block; 6. a second device housing; 7. connecting blocks; 8. pulling a handle; 9. a fixed block; 10. a lubricating oil collection box; 11. connecting the squares; 12. a chute; 13. a slider; 14. fixing grooves; 15. a square groove; 16. a fixed base; 17. fixing a nut; 18. bearing the cutting; 19. a wall groove; 20. a fixed shaft; 21. a screw groove; 22. a worm; 23. a worm gear; 24. fixing the square block; 25. connecting grooves; 26. a telescopic rod; 27. a pressing spring; 28. a telescopic trough pipe; 29. and (4) bearing grooves.

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. 1-5, an arc tooth surface worm reducer comprises a first device housing 1, wherein a circular groove 2 and a square groove 15 are respectively formed on two sides of the first device housing 1, a worm 22 is movably sleeved in the circular groove 2, the circular groove 2 movably sleeves the worm 22, so that the smooth rotation process can be ensured, and the worm 22 can be conveniently and directly taken down, a fixed base 16 is clamped in the square groove 15, a pressing spring 27 and a telescopic groove tube 28 are fixedly connected to one side of the inner wall of the fixed base 16, the pressing spring 27 has a good pressure recovery effect, the fixed block 24 can be driven to contract after being pressed, the worm 22 is connected after losing pressure, a telescopic rod 26 is slidably connected in the telescopic groove tube 28, the telescopic rod 26 is driven by the pressing spring 27 to contract the fixed block 24 to begin to contract into the telescopic groove tube 28, and rebounds along with the pressing spring 27 after losing pressure, when worm 22 rotated in fixed square 24's spread groove 25, telescopic link 26 had guaranteed the stability of rotating the fixed square 24 of in-process, the skew can not appear, and telescopic link 26 and the equal fixedly connected with fixed square 24 in side of pressing spring 27, spread groove 25 has been seted up to fixed square 24's side, and worm 22 has been cup jointed in the inside activity of spread groove 25.

Wherein, wall groove 19 has all been seted up to the both sides of first equipment shell 1, and the inside joint of wall groove 19 has bearing cutting 18, and the weight that wall groove 19 inside joint bearing cutting 18 can bearing fixed baseplate 16 avoids worm 22 to lead to fixed baseplate 16 to drop when rotating at a high speed, and fixed slot 14, the inside fixedly connected with fixed axle 20 of fixed slot 14 have all been seted up to fixed baseplate 16's both sides.

Wherein, the bottom fixedly connected with second equipment shell 6 of first equipment shell 1, the equal fixed mounting in both sides of second equipment shell 6 has fixed fixture block 5, bearing groove 29 has been seted up to fixed fixture block 5's side, rolling bearing 3 has been cup jointed in the inside activity of bearing groove 29, bearing groove 29 and rolling bearing 3's the size of fixed fixture block 5 side is unanimous, rolling bearing 3 pivoted stationarity can be guaranteed, it rocks to appear when preventing to rotate, rolling bearing 3's fixed surface is connected with worm wheel 23's surface toothing has worm 22.

Wherein, the screw groove 21 has been seted up on the surface of fixed axle 20, and the inside of screw groove 21 is provided with fixation nut 17, and fixation nut 17 makes fixed axle 20 be connected with first equipment shell 1 through screw groove 21, increases the effect of monolithic connection.

Wherein, the fixed lubricating oil collection device 4 that is provided with in bottom of second equipment shell 6, lubricating oil collection device 4 is including fixed block 9, lubricating oil collecting box 10, connect the square 11, spout 12 and slider 13, the bottom fixedly connected with of second equipment shell 6 connects square 11, spout 12 has all been seted up to one side of connecting square 11, the inside sliding connection of spout 12 has slider 13, slider 13's bottom fixedly connected with fixed block 9, slider 13 conveniently drives the lubricating oil collecting box 10 roll-off under the slider 13 bottom fixed block 9 from the interior roll-off of spout 12, to inside accumulative lubricating oil recycle, the bottom fixedly connected with lubricating oil collecting box 10 of fixed block 9.

Wherein, the side of slider 13 fixedly connected with connecting block 7, the opposite side fixed mounting of connecting block 7 has the handle 8 that draws.

The working principle is that when the worm 22 is damaged in the using process, a user presses the fixed block 24 by hand, applies pressure to the fixed block 24 to drive the pressing spring 27 connected with the side surface to contract, the pressing spring 27 drives the telescopic rod 26 to contract into the telescopic groove pipe 28, the worm 22 is pulled out from the connecting groove 25, then the other end of the worm 22 is pulled out from the circular groove 2 arranged on the side surface of the first equipment shell 1, then the new worm 22 is inserted back into the circular groove 2, the connecting groove 25 is clamped with the other end of the worm 22 after the fixed block 24 is removed, lubricating oil is used for lubricating the joint of the rotating bearing 3 of the worm 22 and the worm wheel 23, the joint of the rotating bearing 3 can only absorb part of the lubricating oil, the rest of the lubricating oil flows into the lubricating oil collecting box 10 along the inside of the second equipment shell 6, the pull handle 8 is pulled to drive the sliding block 13 connected with the side surface of the connecting block, meanwhile, the lubricating oil collecting box 10 below the fixed block 9 at the bottom of the sliding block 13 slides out, and the accumulated lubricating oil is recycled.

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 an arc flank of tooth worm speed reducer machine, includes first equipment shell (1), its characterized in that: circular slot (2) and square groove (15) have all been seted up to the both sides of first equipment shell (1), worm (22) have been cup jointed in the inside activity of circular slot (2), the inside joint of square groove (15) has unable adjustment base (16), inner wall one side fixedly connected with of unable adjustment base (16) presses spring (27) and flexible groove pipe (28), the inside sliding connection of flexible groove pipe (28) has telescopic link (26), the equal fixedly connected with fixed square (24) in side of telescopic link (26) and pressure spring (27), spread groove (25) have been seted up to the side of fixed square (24), worm (22) have been cup jointed in the inside activity of spread groove (25).

2. The worm reducer with curved tooth surface as claimed in claim 1, wherein: wall groove (19) have all been seted up to the both sides of first equipment shell (1), the inside joint of wall groove (19) has bearing cutting (18), fixed slot (14) have all been seted up to the both sides of unable adjustment base (16), the inside fixedly connected with fixed axle (20) of fixed slot (14).

3. The worm reducer with curved tooth surface as claimed in claim 1, wherein: the bottom fixedly connected with second equipment shell (6) of first equipment shell (1), the equal fixed mounting in both sides of second equipment shell (6) has fixed fixture block (5), bearing groove (29) have been seted up to the side of fixed fixture block (5), rolling bearing (3) have been cup jointed in the inside activity of bearing groove (29), the fixed surface of rolling bearing (3) is connected with worm wheel (23) the surface meshing of worm wheel (23) has worm (22).

4. The worm reducer with curved tooth surface as claimed in claim 2, wherein: the surface of the fixed shaft (20) is provided with a thread groove (21), and a fixed nut (17) is arranged in the thread groove (21).

5. The worm reducer with curved tooth surface as claimed in claim 3, wherein: the fixed lubricating oil collection device (4) that is provided with in bottom of second equipment shell (6), lubricating oil collection device (4) is including fixed block (9), lubricating oil collecting box (10), connection square (11), spout (12) and slider (13), bottom fixedly connected with connection square (11) of second equipment shell (6), spout (12) have all been seted up to one side of connecting square (11), the inside sliding connection of spout (12) has slider (13), the bottom fixedly connected with fixed block (9) of slider (13), the bottom fixedly connected with lubricating oil collecting box (10) of fixed block (9).

6. The worm reducer with curved tooth surface as claimed in claim 5, wherein: the side face of the sliding block (13) is fixedly connected with a connecting block (7), and the other side of the connecting block (7) is fixedly provided with a pull handle (8).