CN209324945U - A drying rack reducer - Google Patents

Abstract

The utility model discloses a kind of clothes hanger speed reducers, comprising: gearcase, motor, worm and gear system, parallel teeth train, planetary structure gear train, structure-steel framing export end cap for carrying out the force-output shaft of torsion output；Groove cavity and reserved cavity are equipped in gearcase, for accommodating worm and gear system, parallel teeth train and structure-steel framing, motor is set in reserved cavity groove cavity；Structure-steel framing is fixed in groove cavity body；Worm and gear system is set to the lower layer of structure-steel framing, and passes through axis connection with motor；Parallel teeth train is set to the upper layer of structure-steel framing, and is connect with worm and gear system by gear；Planetary structure gear train is set to above structure-steel framing, and is connect with parallel teeth train by gear；Output end cap is set to the top of groove cavity；Force-output shaft is connect with planetary structure wheelset axle, and is set in the hole of output end cap；The beneficial effects of the utility model are: it is compact-sized, and structure is simple, is convenient for control, it is easy to accomplish marketization application.

Description

A drying rack reducer

technical field

The utility model belongs to the technical field of household equipment manufacturing, in particular to a clothes hanger speed reducer.

Background technique

Clothes rack is a must-have item for home life, and its function is mainly used for drying and hanging clothes. The drying rack is generally set as a hidden type. When in use, the drying rack is pulled down, and when not in use, it is hidden on the balcony. Therefore, the drying rack uses a reducer to lift up and down.

Clothes hanger reducers use AC motors or high-torque, high-power (above 80W) motors with an outer diameter of 50mm or more coupled with worm gears to reduce torque to achieve high-torque transmission; if the requirements for the use of clothes hangers are reduced, a small torque motor can meet the requirements , but its dynamic carrying capacity can only be below 30KG, and the dynamic carrying capacity of the drying rack depends entirely on the size of the motor.

At present, tubular motors are used on the market to lift and lower clothes hangers, but tubular motors consume a lot of energy, resulting in waste of energy, and the structure is relatively long, bulky, and takes up a lot of space. At the same time, the cost of tubular motors is high, which is not conducive to commercialization. application.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art and provide a clothes hanger speed reducer, which solves the technical problem in the prior art that the motor that makes the clothes hanger move up and down is relatively large.

In order to solve the above problems, the utility model is realized according to the following technical solutions:

A clothes hanger reducer, comprising: a gear box, a motor for power output, a worm gear train for deceleration, a parallel gear train for deceleration, a planetary gear train for deceleration, and a gear train for deceleration. The worm gear train and the parallel gear train provide a structural frame for supporting places, an output shaft for torque output, an output end cover for the output installation of the motor and the support of the output shaft; the gear box There is a groove cavity and a reserved cavity inside, the groove cavity is used to accommodate the worm gear train, the parallel gear train and the structural frame, and the motor is arranged in the reserved cavity The structural frame is fixed in the cavity of the groove; the worm gear system is arranged on the lower layer of the structural frame, and is connected with the motor through a shaft; the parallel gear system is arranged on the upper layer of the structural frame, and is connected with the worm wheel The worm gear is connected through gears; the planetary gear train is arranged above the structure frame, and is connected with the parallel gear train through gears; the output end cover is arranged above the groove cavity; the output shaft and the The planetary structure gear train shaft is connected and arranged in the hole of the output end cover.

More preferably, the worm gear system includes a worm and a worm gear set; the worm is fixed on the shaft of the motor; the worm gear set is a compound gear, including a first tooth and a second tooth, and the worm is connected to the The first tooth meshing connection.

More preferably, the structural frame includes a worm gear pin shaft, the worm gear pin shaft is arranged on the structural frame, and the worm gear set is fixed on the worm gear pin shaft.

More preferably, the parallel gear train includes a sun gear; the sun gear is engaged with the second teeth.

More preferably, the planetary gear train includes a planetary gear, an internal gear, a drive plate, and a planetary shaft; a part of the sun gear is arranged inside the internal gear, and the sun gear meshes with three of the planetary gears; The three planetary gears are sleeved on the planetary shaft and meshed with the internal gear; the three planetary shafts are fixed on the driving plate.

More preferably, the structural frame also includes a lower plate, a middle plate and an upper plate, a pillar is arranged on the lower plate, and a sleeve is arranged between the middle plate and the upper plate; the three pillars are located on the lower plate All around, the middle plate and the upper plate are provided with holes for passing through the pillars; the pillars are sleeved in the sleeves, and the three pillars and the three sleeves are one One-to-one connection.

More preferably, the structural frame also includes a middle pin shaft, the middle pin shaft is arranged between the middle plate and the upper plate; the worm wheel pin shaft is fixed on the lower plate, and is located between the lower plate and the middle plate between the boards.

More preferably, it also includes an interplanetary seat, the interplanetary seat is arranged between the upper plate and the internal gear, and is fixed in the groove cavity.

More preferably, the output end cover is arranged above the internal gear, and is fixed on the gear box with four long screws passing through the holes of the internal gear.

More preferably, a bearing is further included, and the bearing is sleeved on the output shaft and located in the groove of the output end cover.

The beneficial effects of the utility model are:

By setting the combination of worm gear and worm, the speed of the motor is transmitted to the worm, and then transmitted to the output shaft through the planetary gear system. The motor, worm gear and planetary gear system are all arranged in the gear box, which has a compact structure and reduces the floor space. And the structure is simple, easy to control, easy to realize market application.

Description of drawings

Fig. 1 is the schematic diagram of the utility model clothes hanger speed reducer;

Fig. 2 is the A-A diagram of Fig. 1 of the utility model clothes hanger speed reducer;

Fig. 3 is the B-B diagram of Fig. 1 of the utility model clothes hanger speed reducer;

Fig. 4 is an exploded view of Fig. 1 of the clothes hanger speed reducer of the present invention.

in:

1-gear box; 101-groove cavity, 102-reserved cavity; 2-motor cover; 3-lower plate; 4-middle plate; 5-upper plate; 6-output end cover; 7-output shaft; 8-bearing; 9-drive plate; 10-pillar; 11-sleeve; 12-worm gear pin; 13-planetary shaft; 14-middle pin; 15-motor lead; 16-gasket; 17-wire fixing sleeve ; 18-worm; 19-worm gear group; 191-first tooth; 192-second tooth; 20-sun gear; 21-planetary gear; 22-internal gear; Screw; 26-screw; 27-long screw; 28-retaining ring.

Detailed ways

The preferred embodiments of the present utility model are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present utility model, and are not intended to limit the present utility model.

As shown in Figures 1-4, the utility model provides a clothes hanger speed reducer, including: a gear box 1, a motor 24 for outputting power, a worm gear train for deceleration, and a parallel gear train for deceleration , a planetary structure gear train for deceleration, a structural frame for providing a support place for a worm gear train and a parallel gear train, an output shaft 7 for torque output, an output installation for the motor 24 and support for the output shaft 7 The output end cover 6; the gear box 1 is provided with a groove cavity 101 and a reserved cavity 102, the groove cavity 101 is used to accommodate the worm gear train, the parallel gear train and the structural frame, and the motor 24 is arranged in the reserved cavity Inside the body 102; the structural frame is fixed in the groove cavity 101 with screws 26; the worm gear system is arranged on the lower layer of the structural frame, and is connected with the motor 24 through a shaft; the parallel gear system is arranged on the upper layer of the structural frame, and is connected with the worm gear The system is connected through gears; the planetary structure gear system is arranged above the structure frame, and is connected with the parallel gear system through gears; the output end cover 6 is arranged above the groove cavity 101; the output shaft 7 is connected with the planetary structure gear system shaft, and Set in the hole of the output end cover 6.

The gear box 1 is covered with a motor cover 2 , and the outer top of the motor cover 2 is provided with a wire fixing sleeve 17 for connecting the motor leads 15 .

Preferably, the worm gear system includes a worm 18 and a worm gear set 19, the worm 18 is fixed on the shaft of the motor 24, the worm gear set 19 is a compound gear, including a first tooth 191 and a second tooth 192, and the worm 18 meshes with the first tooth 191 connect.

Preferably, the structural frame includes a worm gear pin shaft 12 , the worm gear pin shaft 12 is arranged on the structural frame, and the worm gear set 19 is fixed on the worm gear pin shaft 12 .

Preferably, the parallel gear train includes a sun gear 20 ; the sun gear 20 is engaged with the second tooth 192 .

Preferably, the planetary structure gear train includes a planetary gear 21, an internal gear 22, a drive plate 9, and a planetary shaft 13; a part of the sun gear 20 is arranged inside the internal gear 22, and the sun gear 20 meshes with three planetary gears 21; The planetary gears 21 are sleeved on the planetary shafts 13 and meshed with the internal gear 22 ; the three planetary shafts 13 are fixed on the driving plate 9 .

Preferably, the structural frame includes a lower plate 3, a middle plate 4 and an upper plate 5, a pillar 10 is arranged on the lower plate 3, and a sleeve 11 is arranged between the middle plate 4 and the upper plate 5; three pillars 10 are located around the lower plate 3 , The middle plate 4 and the upper plate 5 are provided with holes for passing through the pillars 10; the pillars 10 are sleeved in the sleeves 11, and the three pillars 10 are connected to the three sleeves 11 one-to-one. The lower plate 3 is provided with a recess corresponding to the worm 18 , and the lower plate 3 is also provided with a screw hole for fixing on the gear box 1 , and the motor screw 25 is fixed on the gear box 1 through the screw hole.

Preferably, the structural frame further includes an intermediate pin 14 disposed between the middle plate 4 and the upper plate 5 ; the worm wheel pin 12 is fixed on the lower plate and is located between the lower plate 3 and the middle plate 4 . Hole positions for the worm gear pin shaft 12 and the intermediate pin shaft 14 are reserved on the structural frame, so that the worm gear 19 and the sun gear 20 are installed.

The clothes hanger speed reducer also includes a planetary seat 23 , and the planetary seat 23 is arranged between the upper plate 5 and the internal gear 22 and is fixed in the groove cavity 101 . The effect of the interplanetary seat 23 is to prevent the contact between the planetary gear 21 and the edge of the hole on the upper plate 5 to produce abnormal noise or abnormal wear during operation. The interplanetary seat 23 is provided with fixing holes for fixing to the upper plate 5 , and the screws 26 pass through the fixing holes and are fixed on the upper plate 5 .

Preferably, the output end cover 6 is arranged above the internal gear 22 and fixed on the gear box 1 with four long screws 27 passing through the holes of the internal gear 22 . The output end cover is a sheet metal product.

The clothes hanger speed reducer also includes a bearing 8 , which is sheathed on the output shaft 7 and located in the groove of the output end cover 6 .

The clothes hanger reducer also includes a gasket 16 and a retaining ring 28 for limiting the axial movement of the output shaft 7. The gasket 16 and the retaining ring 28 are both arranged outside the output end cover 6 and are sleeved on the output shaft 7. , The retaining ring 28 is fixed in the retaining ring groove of the output shaft 7. The output shaft 7 is pressed into the bearing 8 to limit the degree of freedom of the output shaft 7 in the radial direction to ensure its smooth operation, while the degree of freedom in the axial direction is limited by the gasket 16 and the retaining ring 28 to ensure the axial direction of the entire mechanism. Force requirements and axial degrees of freedom.

The working process of the present utility model is:

The motor 24 is energized, the worm screw 18 rotates under the drive of the motor 24, the worm gear set 19 meshes with the worm screw 18, the worm gear set 19 moves along the direction perpendicular to the worm screw 18, the sun gear 20 and the worm gear set 19 are connected through teeth, the sun gear 20, The planetary gear 21 and the internal gear 22 form a planetary gear train, and the axial force of the worm gear set 19 is transmitted to the output shaft 7 through the planetary gear train to complete the deceleration process.

The beneficial effects of the utility model are:

By setting the combination of worm gear and worm gear, the speed of the motor is transmitted to the worm, and then transmitted to the output shaft through the planetary gear system. The motor, worm gear and planetary gear system are all arranged in the gear box 1, which has a compact structure and reduces the floor space. , and the structure is simple, easy to control, and easy to realize market application.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, so if it does not depart from the technical solution content of the utility model, the above embodiments are made according to the technical essence of the utility model Any amendments, equivalent changes and modifications still belong to the scope of the technical solution of the present utility model.

Claims (10)

1. A clothes hanger reducer, characterized in that it includes: a gear box, a motor for output power, a worm gear system for deceleration, a parallel gear train for deceleration, and a planetary structure for deceleration A gear train, a structural frame for providing a support place for the worm gear train and the parallel gear train, an output shaft for torque output, an output end for the output installation of the motor and the support of the output shaft cover; The gear box is provided with a groove cavity and a reserved cavity, and the groove cavity is used to accommodate the worm gear train, the parallel gear train and the structural frame, and the motor is arranged on the In the reserved cavity; The structural frame is fixed in the groove cavity; The worm gear system is arranged on the lower layer of the structural frame, and is connected with the motor through a shaft; The parallel gear train is arranged on the upper layer of the structural frame, and is connected with the worm gear train through gears; The planetary gear train is arranged above the structure frame and connected with the parallel gear train through gears; The output end cover is arranged above the groove cavity; The output shaft is connected with the planetary gear train shaft, and is arranged in the hole of the output end cover. 2. The clothes hanger speed reducer according to claim 1, wherein the worm gear system comprises a worm and a worm gear set; The worm is fixed on the shaft of the motor; The worm gear set is a compound gear, including first teeth and second teeth, and the worm is engaged with the first teeth. 3. The clothes hanger speed reducer according to claim 2, characterized in that, the structural frame includes a worm gear pin shaft, the worm gear pin shaft is arranged on the structural frame, and the worm gear set is fixed on the worm gear on the pin. 4. The clothes hanger speed reducer according to claim 3, wherein the parallel gear train comprises a sun gear; The sun gear is engaged with the second tooth. 5. The clothes hanger reducer according to claim 4, wherein the planetary gear train comprises planetary gears, internal gears, drive plates, and planetary shafts; A part of the sun gear is disposed inside the internal gear, and the sun gear meshes with three of the planetary gears; The three planetary gears are sleeved on the planetary shaft and meshed with the internal gear; the three planetary shafts are fixed on the driving plate. 6. The clothes hanger speed reducer according to claim 5, wherein the structural frame further comprises a lower plate, a middle plate and an upper plate, a pillar is arranged on the lower plate, and the middle plate and the upper plate Set the sleeve between; The three pillars are located around the lower plate, and the middle plate and the upper plate are provided with holes for passing through the pillars; the pillars are sleeved in the sleeve, and the three pillars are One-to-one connection with three said sleeves. 7. The clothes hanger reducer according to claim 6, characterized in that, the structural frame further comprises an intermediate pin, and the intermediate pin is arranged between the middle plate and the upper plate; The pin shaft of the worm gear is fixed on the lower plate and is located between the lower plate and the middle plate. 8. The clothes hanger reducer according to claim 6, further comprising a planetary seat, the planetary seat is arranged between the upper plate and the internal gear, and is fixed in the groove cavity . 9. The clothes hanger speed reducer according to claim 5, wherein the output end cover is arranged above the internal gear, and is fixed on the gear box with four long screws passing through the holes of the internal gear. 10. The clothes hanger reducer according to claim 1, further comprising a bearing sleeved on the output shaft and located in the groove of the output end cover.