CN212225952U

CN212225952U - Protective shell of worm gear speed reducer

Info

Publication number: CN212225952U
Application number: CN202020464874.3U
Authority: CN
Inventors: 颜辉滨
Original assignee: Sihong County Zhuanglian Building Technology Co Ltd
Current assignee: Sihong County Zhuanglian Building Technology Co Ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-25
Anticipated expiration: 2030-04-02

Abstract

The utility model relates to the technical field of electric machine, a worm gear speed reducer protective housing is disclosed, including driving motor, worm wheel and worm, driving motor is close to the lateral wall fixedly connected with protecting crust of output one side, worm wheel and worm all are located the protecting crust, the one end of worm and driving motor's output fixed connection, the worm wheel is fixed to be cup jointed the pivot, and worm wheel and worm intermeshing sets up, the both ends of pivot all are changeed with the front and back both sides inner wall of protecting crust respectively through the bearing and are connected, and the one end of pivot runs through the inner wall of protecting crust and outwards extend, the top of worm is equipped with the baffle, and the four lateral walls of baffle all set up with four side inner wall fixed connection of protecting crust, two cams have been cup jointed to the pivot is fixed, and two cams are located respectively and the front. The utility model discloses can protect the speed reducer, can regularly lubricate the worm when the speed reducer uses simultaneously, guarantee its life, the people's of being convenient for use.

Description

Protective shell of worm gear speed reducer

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to a worm gear speed reducer machine protective housing.

Background

A worm gear reducer is a power transmission mechanism that uses a gear speed converter to reduce the number of revolutions of a motor (motor) to a desired number of revolutions and obtain a large torque.

At present, the outside of speed reducer all is provided with the protecting crust usually, protects worm wheel and worm, and worm wheel and worm are great at the frictional force that rotates the in-process, and the protecting crust can only play the effect of protection among the prior art, can not lubricate worm wheel and worm to influence worm gear's life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art protecting crust and only can playing the effect of protection, can not lubricate worm wheel and worm to influence worm gear life's problem, and a worm gear speed reducer protective housing who provides.

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

the utility model provides a worm gear speed reducer machine protective housing, includes driving motor, worm wheel and worm, driving motor is close to the lateral wall fixedly connected with protecting crust on one side of the output, worm wheel and worm all are located the protecting crust, the one end of worm and driving motor's output fixed connection, the worm wheel is fixed to be cup jointed the pivot, and worm wheel and worm intermeshing sets up, the both ends of pivot all change with the front and back both sides inner wall of protecting crust through the bearing respectively and be connected, and the one end of pivot runs through the inner wall of protecting crust and outwards extend, the top of worm is equipped with the baffle, and the four lateral walls of baffle all with four side inner wall fixed connection settings of protecting crust, two cams have been cup jointed to the pivot is fixed, and two cams lie respectively with the front and back both sides of worm wheel, be equipped with two cam assorted on-off mechanism on.

Preferably, the switch mechanism comprises an arc-shaped plug, two connecting rods and two supporting rods, one ends of the two connecting rods are fixedly connected with two side walls of the arc-shaped plug respectively, the other ends of the two connecting rods are fixedly connected with one ends of the two supporting rods respectively, the other ends of the two supporting rods penetrate through the side wall of the partition plate and extend outwards, the two supporting rods correspond to the two cams respectively, oil dripping ports matched with the arc-shaped plug are formed in the top of the partition plate, and the side walls of the two connecting rods are fixedly connected with the side wall of the partition plate through springs.

Preferably, the oil inlet has been seted up at the top of protecting crust, and oil inlet threaded connection has the cylinder stopper, the top fixedly connected with limiting plate of cylinder stopper, and the limiting plate is located the outside setting of protecting crust.

Preferably, the bottoms of the two abutting rods are provided with arc grooves, the arc grooves are movably connected with balls, and the balls are respectively abutted to the two cams.

Preferably, the top of the partition board is symmetrically and fixedly connected with the backflow block, and the side wall of the backflow block is provided with an inclined surface.

Preferably, the arc-shaped plug and the cylindrical plug are both made of rubber materials.

Preferably, two the connecting rod is all movably sleeved with seal ring, and seal ring and baffle fixed connection set up.

Compared with the prior art, the utility model provides a worm gear speed reducer machine protective housing possesses following beneficial effect:

1. this worm gear speed reducer machine protective housing through protective housing, worm wheel, worm and the pivot that is equipped with, can make the pivot carry out the rotation of slowing down, and can protect worm wheel and worm.

2. This worm gear speed reducer machine protective housing through baffle, cam, arc stopper, connecting rod and the spring that is equipped with, can rotate the in-process at the pivot, makes lubricating oil drop to the worm through the oil drip mouth on, lubricates it, guarantees its life.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can protect the speed reducer, regularly lubricate the worm when the speed reducer uses simultaneously, guarantee its life, the people's of being convenient for use.

Drawings

Fig. 1 is a schematic structural view of a protective casing of a worm gear speed reducer provided by the present invention;

fig. 2 is a schematic structural diagram of the middle partition plate of the present invention.

In the figure: the device comprises a driving motor 1, a worm wheel 2, a worm 3, a protective shell 4, a rotating shaft 5, a partition plate 6, a cam 7, an arc-shaped plug 8, a connecting rod 9, a support rod 10, an oil dripping port 11, a spring 12, a cylindrical plug 13, a limiting plate 14, a ball 15, a backflow block 16 and a sealing gasket 17.

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.

Referring to fig. 1-2, a worm gear reducer protective casing comprises a driving motor 1, a worm wheel 2 and a worm 3, wherein the side wall of the driving motor 1 close to one side of an output end is fixedly connected with a protective casing 4, the worm wheel 2 and the worm 3 are both positioned in the protective casing 4, one end of the worm 3 is fixedly connected with the output end of the driving motor 1, the worm wheel 2 is fixedly sleeved with a rotating shaft 5, the worm wheel 2 and the worm 3 are meshed with each other, two ends of the rotating shaft 5 are respectively rotatably connected with the inner walls of the front side and the rear side of the protective shell 4 through bearings, one end of the rotating shaft 5 penetrates through the inner wall of the protective shell 4 and extends outwards, a partition plate 6 is arranged above the worm 3, and the four side walls of the partition board 6 are fixedly connected with the inner walls of the four sides of the protective shell 4, the rotating shaft 5 is fixedly sleeved with two cams 7, and the two cams 7 are respectively positioned at the front side and the rear side of the worm wheel 2, and the partition plate 6 is provided with a switch mechanism matched with the two cams 7.

The switch mechanism comprises an arc-shaped plug 8, two connecting rods 9 and two supporting rods 10, wherein one ends of the two connecting rods 9 are respectively and fixedly connected with two side walls of the arc-shaped plug 8, the other ends of the two connecting rods 9 are respectively and fixedly connected with one ends of the two supporting rods 10, the other ends of the two supporting rods 10 penetrate through the side wall of the partition plate 6 and extend outwards, the two supporting rods 10 respectively correspond to the two cams 7, a dripping opening 11 matched with the arc-shaped plug 8 is formed in the top of the partition plate 6, the side walls of the two connecting rods 9 are respectively and fixedly connected with the side wall of the partition plate 6 through springs 12, the cams 7 and the supporting rods 10 are mutually matched, the supporting rods 10 can be supported to move upwards in the rotating process of the cams 7, the supporting rods 10 move upwards to drive the connecting rods 9 and the arc-shaped plug 8 to move, the arc-shaped plug 8 and the dripping opening 11 are arranged in a staggered mode, and then lubricating oil above the partition plate 6 can, the worm wheel 2 and the worm 3 are lubricated, and the service life of the worm wheel is ensured.

The oil inlet has been seted up at the top of protecting crust 4, and oil inlet threaded connection has cylinder stopper 13, and the top fixedly connected with limiting plate 14 of cylinder stopper 13, and limiting plate 14 is located the outside setting of protecting crust 4, rotates limiting plate 14, can make and break away from each other between cylinder stopper 13 and the oil inlet, and then be convenient for add lubricating oil again, be convenient for use lastingly.

The arc-shaped grooves are formed in the bottoms of the two abutting rods 10 and are movably connected with the balls 15, the balls 15 are respectively abutted to the two cams 7, friction force between the cams 7 and the abutting rods 10 can be reduced, and the cams can abut against the abutting rods 10 to move conveniently.

The top of baffle 6 symmetry fixedly connected with refluence piece 16, and the inclined plane has been seted up to the lateral wall of refluence piece 16, can be convenient for lubricating oil and get into to drip in the oil mouth 11.

The arc-shaped plug 8 and the cylindrical plug 13 are both made of rubber materials, and the effect of closing the oil dripping opening 11 and the oil inlet can be guaranteed.

Two equal movable sleeves of connecting rod 9 are equipped with seal ring 17, and seal ring 17 and baffle 6 fixed connection set up, can improve the connecting rod 9 when the activity and the baffle 6 between sealed effect.

In the utility model, when in use, the output end of the driving motor 1 rotates to drive the worm 3 to rotate through the driving motor 1, the worm 3 and the worm wheel 2 are meshed with each other, so that the worm 3 rotates to enable the worm wheel 2 to rotate slowly, the worm wheel 2 has larger torque, then the worm wheel 2 rotates to drive the rotating shaft 5 to rotate through the rotating shaft 5, further the cam 7 fixedly sleeved on the rotating shaft 5 rotates, the cam 7 and the abutting rod 10 are matched with each other, further the abutting rod 10 is abutted to move upwards in the rotating process of the cam 7, the abutting rod 10 moves upwards to drive the connecting rod 9 and the arc plug 8 to move, the arc plug 8 and the oil drip port 11 are arranged in a staggered way, further the lubricating oil above the partition plate 6 can drip onto the worm 3 through the oil drip port 11, the worm wheel 2 and the worm 3 have lubricating effect, and the service life of the worm wheel 2 and the worm 3 is ensured, the rethread is equipped with spring 12, when cam 7 continued to rotate certain angle, can drive connecting rod 9 downstream through spring 12's pulling force, and then makes arc stopper 8 with oil drip opening 11 closed, stops the oil drip, and cylindrical plug 13 and limiting plate 14 that the rethread was equipped with rotate limiting plate 14, can make and break away from each other between cylindrical plug 13 and the oil inlet, and then be convenient for add lubricating oil again, be convenient for use lastingly.

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 protective shell of a worm and gear speed reducer comprises a driving motor (1), a worm wheel (2) and a worm (3), and is characterized in that the side wall of the driving motor (1) close to one side of an output end is fixedly connected with a protective shell (4), the worm wheel (2) and the worm (3) are both positioned in the protective shell (4), one end of the worm (3) is fixedly connected with the output end of the driving motor (1), the worm wheel (2) is fixedly sleeved with a rotating shaft (5), the worm wheel (2) and the worm (3) are meshed with each other, two ends of the rotating shaft (5) are respectively in rotating connection with the inner walls of the front side and the rear side of the protective shell (4) through bearings, one end of the rotating shaft (5) penetrates through the inner wall of the protective shell (4) and extends outwards, a partition plate (6) is arranged above the worm (3), and four side walls of the partition plate (6) are fixedly connected with the inner walls of the four sides, two cams (7) are fixedly sleeved on the rotating shaft (5), the two cams (7) are respectively positioned at the front side and the rear side of the worm wheel (2), and a switch mechanism matched with the two cams (7) is arranged on the partition board (6).

2. The protection shell of the worm and gear speed reducer according to claim 1, wherein the switch mechanism comprises an arc-shaped plug (8), two connecting rods (9) and two abutting rods (10), one ends of the two connecting rods (9) are fixedly connected with two side walls of the arc-shaped plug (8) respectively, the other ends of the two connecting rods (9) are fixedly connected with one ends of the two abutting rods (10) respectively, the other ends of the two abutting rods (10) penetrate through the side wall of the partition plate (6) and extend outwards, the two abutting rods (10) correspond to the positions of the two cams (7) respectively, oil dripping ports (11) matched with the arc-shaped plug (8) are formed in the top of the partition plate (6), and the side walls of the two connecting rods (9) are fixedly connected with the side wall of the partition plate (6) through springs (12).

3. The protection shell of the worm and gear speed reducer according to claim 1, characterized in that an oil inlet is formed in the top of the protection shell (4), a cylindrical plug (13) is connected to the oil inlet in a threaded manner, a limiting plate (14) is fixedly connected to the top of the cylindrical plug (13), and the limiting plate (14) is located outside the protection shell (4).

4. The protection shell of the worm and gear speed reducer according to claim 2, wherein the bottoms of the two abutting rods (10) are both provided with an arc-shaped groove, the arc-shaped grooves are movably connected with balls (15), and the two balls (15) are respectively abutted against the two cams (7).

5. The protective shell of the worm gear and worm reducer as claimed in claim 1, wherein the top of the partition plate (6) is symmetrically and fixedly connected with the backflow block (16), and the side wall of the backflow block (16) is provided with an inclined surface.

6. The protective shell of a worm gear speed reducer according to claim 2, wherein the arc plug (8) and the cylinder plug (13) are made of rubber materials.

7. The protective shell of the worm gear speed reducer according to claim 2, wherein two connecting rods (9) are movably sleeved with sealing washers (17), and the sealing washers (17) are fixedly connected with the partition plate (6).