CN2571357Y - Massage chair driving mechanism - Google Patents

Abstract

A massage chair driving mechanism comprises a main body and a gear set, wherein the gear set is arranged on the main body and comprises a worm wheel, a spiral gear, a worm and an axial spiral gear, the worm wheel is meshed with the worm wheel, the axial spiral gear is meshed with the spiral gear, the worm wheel and the spiral gear are respectively provided with a transmission shaft protruding out of two sides of the main body, and the worm and the axial spiral gear are sleeved on the driving shaft; the driving shaft is provided with a one-way bearing, the driving shaft is provided with a clutch, the driving shaft is provided with two end parts which can be mutually butted and meshed, one end part is connected with the axial spiral gear into a whole, the other end part can axially slide on the driving shaft, the other end part of the clutch is annularly provided with a radial sliding groove, and the radial sliding groove is clamped with a deflector rod.

Description

Massage chair driving mechanism

technical field

The utility model relates to a massage chair driving mechanism, in particular to a massage chair driving mechanism which is suitable for back massage of an electric massage chair and has the function of independently kneading and beating, and can also perform the two actions simultaneously.

Background technique

Generally, as shown in FIG. 1 , it is a known drive mechanism for a massage chair, which mainly includes two housings 10a, 11a, and the two housings 10a, 11a are provided with a worm wheel 20a and a helical gear 21a separated at intervals, and The worm 22a of the worm wheel 20a meshing with each other and the axial helical gear 23a meshing with the helical gear 21a, and the worm wheel 20a and the helical gear 21a are respectively provided with a transmission shaft 24a protruding from the two housings 10a, 11a, 25a, to be combined with the massage arm 3a; in addition, a drive shaft 40a is pierced between the two housings 10a, 11a, and one end of the drive shaft 40a is sleeved with a pulley 41a, and the above-mentioned worm 22a and the axial helical gear 23a is provided with a one-way bearing 26a and is sheathed on the drive shaft 40a, so as to adjust the effect of kneading or up and down rolling when the motor drive pulley 41a performs forward and reverse rotation.

However, although the driving mechanism of the massage chair in the past can be used to adjust the intensity of kneading and beating during massage, since the drive shaft drives the screw and the axial helical gear for transmission at the same time, the kneading and beating actions At the same time, it is impossible to massage in a step-by-step manner to meet the needs of users (such as kneading → beating first, then kneading and beating in parallel, etc.), and it is difficult to provide users with a more comfortable massage effect.

Therefore, it can be seen from the above that the above-mentioned known massage chair drive mechanism obviously has inconvenience and deficiency in actual use, and needs to be improved.

Utility model content

Therefore, the utility model proposes a massage chair driving mechanism which is reasonably designed and effectively improves the above defects.

The main purpose of this utility model is to provide a driving mechanism for a massage chair, which uses the separation and cooperation of the clutch and the forward and reverse rotation of the motor to control the independent kneading or beating action, and at the same time the two The movements are carried out at the same time, so that users can massage in a step-by-step manner, and can meet the actual needs of each user to meet the massage effect they think is more comfortable.

In order to achieve the above-mentioned purpose, the utility model provides a driving mechanism for a massage chair, which includes a main body and a gear set; the gear set is arranged on the main body, and includes a worm wheel and a helical gear spaced at intervals, a worm meshing with the worm wheel, and The axial helical gear that meshes with the helical gear, the worm gear and the helical gear are respectively provided with transmission shafts protruding from both sides of the main body, and the worm and the axial helical gear are sleeved on the drive shaft; wherein, the There is a one-way bearing between the drive shaft and the worm, and the drive shaft is provided with a clutch, which has two ends that can be butted and meshed with each other. One end is connected with the axial helical gear, and the other end can be on the drive shaft. For axial sliding, a radial chute is arranged on the upper ring of the other end of the clutch, and a driving rod is clamped on the radial chute; thus the driving mechanism of the massage chair is formed.

In order to further understand the features and technical content of the utility model, the detailed description and accompanying drawings of the utility model are as follows.

Description of drawings

FIG. 1 is an exploded perspective view of a known driving mechanism of a massage chair.

Fig. 2 is a three-dimensional exploded view of the utility model.

Fig. 3 is a three-dimensional exploded view of components such as the drive shaft and the clutch of the utility model.

Fig. 4 is a three-dimensional combined view of components such as the drive shaft and the clutch of the utility model.

Fig. 5 is a schematic cross-sectional view of the utility model in a combined state.

Fig. 6 is a schematic cross-sectional view of the utility model in a separated state.

Fig. 7 is a three-dimensional exploded view of the utility model and the massage arm.

Detailed ways

As shown in Fig. 2, Fig. 5 and Fig. 6, they are respectively a three-dimensional exploded view of the utility model and a schematic cross-sectional view of the utility model in combined and separated states. The utility model provides a driving mechanism of a massage chair, which includes a main body 1 and a gear set 2; wherein:

The inside of the main body 1 is hollow, and can be provided with the above-mentioned gear set 2 as a supporting structure for carrying the gear set 2 and for integrating the various components described later.

The gear set 2 is arranged on the aforementioned main body 1 and includes a worm wheel 20 , a helical gear 21 spaced apart, a worm 22 intermeshing with the worm wheel 20 , and an axial helical gear 23 intermeshing with the helical gear 21 .

The worm wheel 20 and the helical gear 21 are respectively provided with transmission shafts 200, 210 protruding from both sides of the main body 1, and the two transmission shafts 200, 210 are respectively pivotally arranged at the front and rear sides of the main body 1. half of the limiting grooves 10, 11, so that the worm gear 20 and the helical gear 11 are respectively accommodated in the limiting grooves 10, 11; the two transmission shafts 200, 210 and the main body 1 are respectively provided with bearings 201, 211 to As a requirement for supporting the rotating shaft and running smoothly, at the same time, on the side where the two limiting grooves 10, 11 communicate with the outside world, there are respectively locks with protective covers 100, 110 for the stable pivoting of the two drive shafts 200, 210. And be connected to the massage arm 3 (as shown in Figure 7).

The worm 22 and the axial helical gear 23 are sheathed on the drive shaft 24, and the drive shaft 24 runs through the front and rear ends of the main body 1, so that the worm 22 and the axial helical gear 23 are accommodated on the main body 1. Half of the accommodation space 12 interlaced with the two limit grooves 10, 11, and a bearing 230 is provided between the axial helical gear 23 and the drive shaft 23; the front end of the main body 1 is locked with a cover 120 to cover Covering the part of the drive shaft 24 protruding from the front end of the main body 1, and the drive shaft 24 is pivotally mounted on the inner side of the cover body 120 with an end bearing 240, and the other end is pivotally connected with the main body 1 with another end bearing 241. Simultaneously, the other end of this drive shaft 24 also protrudes from the rear end surface of the main body 1 and is provided with a pulley 242 to drive a motor (not shown) through a belt connection.

The utility model is mainly provided with a one-way bearing 220 between the drive shaft 24 and the worm 22, and the drive shaft 24 is provided with a clutch 25 (please refer to Fig. 3 and Fig. 4 at the same time); the clutch 25 can be a square jaw The clutch has two ends 250 and 251 that can be engaged with each other, one end 250 of which is connected to one end surface of the axial helical gear 23, and the other end 251 is matched with a sleeve 252 having a key 253 to form a clutch. and the sleeve 252 is fixedly connected to the drive shaft 24 with a bolt assembly 254, so that the other end 251 of the clutch 25 can slide axially on the drive shaft 24, and at the same time, the other end of the clutch 25 The upper ring of one end 251 is provided with a radial sliding groove 255, and the radial sliding groove 255 can be clamped on the radial sliding groove 25 by the driving rod 26 in the shape of a 冂.

The two ends of the lever 26 are pivotally connected to the main body 1 by a pivot 260, and the other end 251 of the clutch 25 can be driven to slide axially on the drive shaft 24 to control the two ends of the clutch 25. Parts 250, 251 produce separation and cooperation; the driving lever 26 can also be manipulated by a solenoid valve 27 in addition to manual control.

The electromagnetic valve 27 is set in the hollow seat 13 located at the top of the main body 1, and is locked on the top surface of the main body 1 with the cover plate 130; The elastic assembly 271 between the rod 270 and the solenoid valve 27, the elastic assembly 271 is sleeved on the linkage rod 270, and the front end of the linkage rod 270 is movably connected with the top end of the driving rod 26, and the elastic assembly 271 provides a restoring effect Therefore, when the solenoid valve 27 is supplied with electric current to generate magnetic force, the linkage rod 270 will be attracted by the magnetic force and pull the driving rod 26 so that the clutch 25 is in a combined state (as shown in Figure 5), and the elastic component 271 will be compressed And make it store elastic force, once the magnetic force of solenoid valve 27 disappears (stops supplying its electric current), this linkage rod 270 can push driving rod 26 and make clutch 25 be disengagement state (as shown in the figure) because of the stored elastic force of elastic component 271 6), and then can manipulate the driving lever 26 to control the separation and cooperation of the clutch 25 through the energization of the electromagnetic valve 27.

Therefore, the driving mechanism of the massage chair of the present utility model can be obtained through the above-mentioned structural composition.

As shown in Figure 5, when the clutch 25 is in a combined state, and the pulley 242 is connected to the motor (not shown in the figure) through a belt to drive the drive shaft 24 to rotate forward, the worm screw 22 on the drive shaft 24 is A one-way bearing 220 is provided to rotate accordingly (assuming that the drive shaft 24 rotates positively in the thrust direction of the one-way bearing 220), and the worm wheel 20 meshed with it is used for transmission. In addition, the axial helical gear 23 is sleeved on the This drive shaft 24 can not rotate thereupon, but because the other end portion 251 of the clutch 25 is axially sleeved with the sleeve 252 affixed on the drive shaft 24, so the clutch 25 will still be made to follow the drive shaft 24. Rotate, thereby make axial helical gear 23 and the helical gear 21 that meshes with it do transmission, make massage arm 3 reach the effect of kneading and beating at the same time; The drive shaft 24 rotates, and only the axial helical gear 23 drives the helical gear 21 meshed with it, so the massage arm 3 at this moment only has the effect of kneading.

As shown in Figure 6, when the clutch 25 is disengaged and the drive shaft 24 rotates forward, the worm 22 will rotate with the drive shaft 24 and drive the worm wheel 20 meshed with it. The ends 250, 251 are separated, so the axial helical gear 23 is not affected by the separator 25 and does not rotate with the drive shaft 24, so the massage arm 3 only has the effect of beating.

Therefore, through the driving mechanism of the massage chair of the utility model, the separation and cooperation of the clutch and the forward and reverse rotation of the motor can be used to achieve the purpose of controlling the massage arm to do kneading or beating independently, and the two actions are carried out simultaneously. Further, the user can perform massage in a step-by-step manner, and can choose a massage effect that meets the user's perception of comfort according to the actual needs of each user.

In summary, the utility model solves the above-mentioned defects of the known technology.

However, the above descriptions are only preferred feasible embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. within the scope of patent protection for utility models.

Claims (14)

1. A massage chair drive mechanism, characterized in that it comprises: subject; and The gear set, arranged on the main body, includes a worm wheel at intervals, a helical gear, a worm intermeshed with the worm gear, and an axial helical gear intermeshed with the helical gear, and each of the worm wheel and the helical gear is provided with a protrusion a transmission shaft outside the two sides of the main body, and the worm and the axial helical gear are sheathed on the drive shaft; Wherein, a one-way bearing is provided between the drive shaft and the worm, and a clutch is provided on the drive shaft. The clutch has two ends that can be butted and meshed with each other, one end of which is connected with the axial helical gear, and the other end Axial sliding can be performed on the drive shaft, and the other end ring of the clutch is provided with a radial slide groove, and a driving rod is clamped on the radial slide groove. 2. The driving mechanism of a massage chair according to claim 1, wherein the front and rear lower halves of one side of the main body are respectively provided with limiting grooves, and the worm wheel and the helical gear are respectively accommodated in the two lower halves. on a limit slot. 3. The driving mechanism of the massage chair according to claim 2, wherein the sides of the two limiting grooves communicating with the outside world are respectively locked with protective covers. 4. The driving mechanism of the massage chair according to claim 2, wherein the upper half of the main body is provided with an accommodating space interlaced with the two limiting grooves, and the worm and the axial helical gear are accommodated in the accommodation space. 5. The driving mechanism of the massage chair according to claim 1, wherein a cover is locked on the front end of the main body. 6 . The driving mechanism of the massage chair according to claim 1 , wherein a pulley is provided on the outer side of the rear end surface of the main body, and the pulley is arranged on the drive shaft. 7 . 7. The driving mechanism of the massage chair according to claim 1, characterized in that, the top of the main body is provided with a hollow seat, and a solenoid valve is arranged in the hollow seat, and a linkage rod and a device are set on the solenoid valve. The elastic component is between the linkage rod and the electromagnetic valve, and the front end of the linkage rod is movably connected with the top end of the driving rod. 8. The driving mechanism of the massage chair according to claim 7, wherein the elastic component is sheathed on the linkage rod. 9. The driving mechanism of the massage chair according to claim 1, wherein a cover plate is locked on the top surface of the main body. 10. The driving mechanism of the massage chair according to claim 1, wherein a bearing is provided between the driving shaft and the axial helical gear. 11. The driving mechanism of the massage chair according to claim 1, wherein the clutch is a square jaw clutch. 12. The driving mechanism of the massage chair according to claim 1, characterized in that, the other end of the clutch is fitted with a sleeve having a key, and the sleeve is fixedly connected by a bolt assembly on the drive shaft. 13. The driving mechanism of the massage chair as claimed in claim 1, wherein the driving lever is in the shape of a Zong. 14. The driving mechanism of the massage chair according to claim 13, wherein the two ends of the driving rod are pivotally connected to the main body by pivots.

Images