CN216390745U - Massage armchair 3D motor stroke limit structure - Google Patents

Abstract

The utility model discloses a 3D motor stroke limiting structure of a massage chair, which comprises a shell, wherein a motor main body is arranged inside the lower part of the shell, an output belt wheel is arranged below the motor main body, the left side of the shell is connected with a rotating plate, a screw rod is arranged on the right side of the rotating plate, a moving seat is arranged on the periphery of the screw rod, a sliding groove is arranged inside the rotating plate, a sliding block is connected inside the sliding groove, a fixed groove is arranged inside the sliding block, a Hall element is connected inside the fixed groove, an ejector block is arranged on the left side of the Hall element, clamping blocks are arranged on two sides of the fixed groove, and a clamping groove is arranged on one side of each clamping block. This massage armchair 3D motor stroke limit structure replaces traditional opto-coupler inductor through the hall element that sets up, can effectual promotion spacing precision, also can guarantee that spacing sensor's life is longer, sets up hall element through removing a stroke both ends simultaneously to make to detect more accurately.

Description

Massage armchair 3D motor stroke limit structure

Technical Field

The utility model relates to the technical field of massage chairs, in particular to a 3D motor stroke limiting structure of a massage chair.

Background

Massage armchair can massage the human body, suitably use massage armchair can improve human sleep quality, and also can play reinforcing human immunity and the effect of the loose joint of the muscles and tendons, especially very obvious to the tired effect of human relaxation, thereby massage armchair realizes reciprocating motion to massage structure through the inside 3D motor that sets up, can not remove the range too big in order to guarantee massage structure, can carry out reciprocating motion in suitable range, just need use 3D motor limit structure, but the 3D motor stroke limit structure on the existing market still has following problem:

1. the existing 3D motor stroke limiting structure adopts an arc-shaped mechanical transmission structure to be matched with an optocoupler inductor to limit the upper stroke and the lower stroke of a motor, the optocoupler has low induction sensitivity, is easily polluted by impurities such as dust and the like, is damaged and causes abnormal work of the limiting structure, and in the limiting detection process, a certain time is needed for stopping the motor, so that the top impact problem is easily caused;

2. because the limiting structure that current 3D motor stroke limiting structure adopted is complicated, in case the damage of sensor appears, just inconvenient dismantlement and the maintenance to the sensor lead to consuming time long.

Aiming at the problems, the novel design is carried out on the basis of the original 3D motor stroke limit structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a 3D motor stroke limiting structure of a massage chair, and aims to solve the problems that an arc-shaped mechanical transmission structure is adopted to be matched with an optocoupler inductor to limit the upper stroke and the lower stroke of a motor in the conventional 3D motor stroke limiting structure provided by the background art, the optocoupler inductor has low sensitivity and is easily polluted by impurities such as dust and the like to cause damage and abnormal work of the limiting structure, and the motor needs a certain time to stop during limit detection, so that the problem of top punching is easily caused.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a massage armchair 3D motor stroke limit structure, includes the shell, the inside motor main part that is provided with in shell below, and motor main part below is provided with the output band pulley, the shell left side is connected with the rotor plate, and the rotor plate right side is provided with the lead screw, the lead screw periphery is provided with removes the seat, the inside spout that is provided with of rotor plate, and spout internal connection has the slider, the inside fixed slot that is provided with of slider, and fixed slot internal connection have hall element to the hall element left side is provided with the kicking block, the fixed slot both sides are provided with the fixture block, and fixture block one side is provided with the draw-in groove, the inside buffer board that is provided with of shell, and buffer board one side is connected with the litter to litter one end is connected with buffer spring.

Preferably, the shell is fixedly connected with the motor main body, the motor main body is provided with a double-head motor, a motor shaft of the motor main body is coaxially connected with the output belt wheel, the output belt wheel and the shell form a rotating structure, and the output belt wheel is connected with the massage structure of the massage chair.

Preferably, the rotating plate is fixedly connected with the rotating shaft, the rotating shaft is rotatably connected with the housing, the rotating plate is fixedly connected with the sliding grooves, the sliding grooves are symmetrically arranged relative to the transverse center line of the rotating plate, and the sliding grooves are arranged in a T shape.

Preferably, the lead screw is arranged coaxially with a motor shaft of the motor main body, the lead screw is rotatably connected with the shell, the lead screw is in threaded connection with the moving seat, the moving seat is in sliding connection with the shell, the left side of the moving seat is fixedly connected with a magnet, the left side of the magnet is not in contact with the right side of the Hall element, the Hall element is clamped with the sliding block through the fixing groove, the Hall element is symmetrically arranged relative to the transverse central line of the rotating plate, the Hall element is in close contact with the ejecting block, and the ejecting block is an arc-shaped fixing block made of rubber materials.

Preferably, the sliding block is in sliding connection with the sliding groove, the sliding block is of a T-shaped structure, the sliding block is in sliding connection with the clamping block, the clamping block is clamped with the clamping groove, the clamping groove and the front end of the clamping block are arranged in an arc shape, the clamping block and the clamping spring form a spring reset structure, and the clamping block is symmetrically arranged around the transverse center line of the sliding block.

Preferably, the buffer board is symmetrically arranged about the horizontal central line of the screw rod, the central line inside the buffer board is provided with a through hole which is larger than the diameter of the screw rod in a penetrating manner, the buffer board is fixedly connected with the sliding rod, the sliding rod is slidably connected with the shell, the sliding rod is symmetrically arranged about the vertical central line of the buffer board, the buffer board and the buffer spring form a spring reset structure, and the buffer spring is symmetrically arranged about the vertical central line of the buffer board.

Compared with the prior art, the utility model has the beneficial effects that: the 3D motor stroke limit structure of the massage chair,

1. the Hall elements are arranged to replace the traditional optocoupler inductor, so that the limiting precision can be effectively improved, the service life of the limiting sensor can be prolonged, and meanwhile, the Hall elements are arranged at the two ends of the stroke of the movable seat, so that the detection is more accurate;

2. through setting up the buffer board to the realization is to removing the seat motion in-process, because inertia can't in time stop can cushion when stopping, prevents to appear dashing the problem of top, and the slider structure that sets up simultaneously carries out hall element's installation, thereby makes the installation more simple and convenient.

Drawings

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the overall top cross-sectional structure of the present invention;

fig. 5 is a schematic three-dimensional structure of the rotating plate according to the present invention.

In the figure: 1. a housing; 2. a motor main body; 3. an output pulley; 4. a rotating plate; 5. a screw rod; 6. a movable seat; 7. a magnet; 8. a slider; 9. fixing grooves; 10. a Hall element; 11. a chute; 12. a top block; 13. a card slot; 14. a clamping block; 15. a snap spring; 16. a buffer plate; 17. a slide rod; 18. a buffer spring; 19. a rotating shaft.

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, fig. 2, fig. 4 and fig. 5, the present invention provides a technical solution: A3D motor stroke limiting structure of a massage chair comprises a shell 1, in order to improve limiting precision and ensure simple installation and replacement of a Hall element 10, a motor main body 2 is arranged in the lower portion of the shell 1, an output belt wheel 3 is arranged below the motor main body 2, a rotating plate 4 is connected on the left side of the shell 1, a screw rod 5 is arranged on the right side of the rotating plate 4, a moving seat 6 is arranged on the periphery of the screw rod 5, a sliding groove 11 is arranged in the rotating plate 4, a sliding block 8 is connected in the sliding groove 11, a fixing groove 9 is arranged in the sliding block 8, the Hall element 10 is connected in the fixing groove 9, an ejector block 12 is arranged on the left side of the Hall element 10, clamping blocks 14 are arranged on two sides of the fixing groove 9, a clamping groove 13 is arranged on one side of each clamping block 14, the shell 1 is fixedly connected with the motor main body 2, the motor main body 2 is a double-head motor, and a motor shaft of the motor main body 2 is coaxially connected with the output belt wheel 3, the output belt wheel 3 and the shell 1 form a rotating structure, the output belt wheel 3 is connected with the massage structure of the massage chair, the rotating plate 4 is fixedly connected with a rotating shaft 19, the rotating shaft 19 is rotatably connected with the shell 1, the rotating plate 4 is fixedly connected with a sliding chute 11, the sliding chute 11 is symmetrically arranged about the transverse midline of the rotating plate 4, the sliding chute 11 is arranged in a T shape, a screw rod 5 is coaxially arranged with a motor shaft of the motor main body 2, the screw rod 5 is rotatably connected with the shell 1, the screw rod 5 is in threaded connection with a movable seat 6, the movable seat 6 is in sliding connection with the shell 1, the left side of the movable seat 6 is fixedly connected with a magnet 7, the left side of the magnet 7 is not contacted with the right side of a Hall element 10, the Hall element 10 is mutually clamped with a sliding block 8 through a fixed groove 9, the Hall element 10 is symmetrically arranged about the transverse midline of the rotating plate 4, and the Hall element 10 is tightly contacted with a top block 12, and kicking block 12 is the arc fixed block of rubber materials, slider 8 and spout 11 sliding connection, and slider 8 is "T" shape structure, slider 8 and fixture block 14 sliding connection, and fixture block 14 and draw-in groove 13 block each other, draw-in groove 13 is inside to be circular arc setting with the fixture block 14 front end, and fixture block 14 and block spring 15 constitute spring reset structure, fixture block 14 sets up in relation to the horizontal central line symmetry of slider 8, carry out spacing detection through the hall element 10 that sets up, it is more accurate than traditional mode, utilize slider 8 and fixture block 14 simultaneously, realize the quick replacement to hall element 10.

Referring to fig. 1 and 3, in order to prevent the top-punching problem, a buffer plate 16 is disposed inside a housing 1, one side of the buffer plate 16 is connected with a slide rod 17, one end of the slide rod 17 is connected with a buffer spring 18, the buffer plate 16 is symmetrically disposed about a horizontal center line of a screw rod 5, a through hole with a diameter larger than that of the screw rod 5 is disposed through a center line inside the buffer plate 16, the buffer plate 16 is fixedly connected with the slide rod 17, the slide rod 17 is slidably connected with the housing 1, the slide rod 17 is symmetrically disposed about a vertical center line of the buffer plate 16, the buffer plate 16 and the buffer spring 18 form a spring return structure, and the buffer spring 18 is symmetrically disposed about the vertical center line of the buffer plate 16, and the buffer plate 16 is used for buffering, thereby effectively avoiding the top-punching problem.

The working principle is as follows: according to fig. 1-5, firstly, the hall element 10 needs to be installed, the rotating plate 4 is opened around the rotating shaft 19, then the sliding block 8 slides out, at this time, the arc-shaped structure at the front end of the clamping block 14 slides under the stress of the arc-shaped structure of the clamping groove 13, so that the hall element 10 is installed in the fixing groove 9 after the sliding block 8 slides out, the detection end of the hall element 10 is kept at the right side, then the sliding block 8 slides into the sliding groove 11, when the sliding block slides to the bottom end, the clamping block 14 is mutually clamped with the clamping groove 13 through the clamping spring 15, so that the sliding block 8 is fixed, at the same time, due to the arc-shaped structure of the top block 12, the top block 12 slides into the left end of the hall element 10, the hall element 10 is propped against the fixing groove 9, the swinging is prevented, after the hall element 10 is installed, the rotating plate 4 is closed, the whole structure is installed on the massage chair, and when the structure is operated, at the moment, the motor body 2 is started, thereby driving the output belt wheel 3 to rotate, further driving the massage structure, at the same time, the screw rod 5 also rotates, so that the movable seat 6 rotates in the shell 1, when the movable seat 6 slides to the top end or the bottom end, at this time, the magnet 7 passes through the hall element 10, and an electric signal is generated, thereby indicating that the limit position is reached, the motor main body 2 starts to rotate reversely, because the motor main body 2 needs time to turn from the forward rotation to the reverse rotation, at this time, the moving seat 6 keeps a short distance from the original moving direction, contacts the buffer plate 16, thereby pushing the buffer plate 16, so that the buffer plate 16 compresses the buffer spring 18 by means of the slide rod 17, preventing the problem of the ram, when the Hall element 10 is in failure, the rotating plate 4 is opened and the slider 8 is taken out again to replace the Hall element, what is not described in detail in this specification is prior art to the knowledge of those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a massage armchair 3D motor stroke limit structure, includes shell (1), its characterized in that: a motor main body (2) is arranged in the lower portion of the shell (1), an output belt wheel (3) is arranged below the motor main body (2), a rotating plate (4) is connected to the left side of the shell (1), a lead screw (5) is arranged on the right side of the rotating plate (4), a moving seat (6) is arranged on the periphery of the lead screw (5), a sliding groove (11) is arranged in the rotating plate (4), a sliding block (8) is connected to the inside of the sliding groove (11), a fixing groove (9) is arranged in the sliding block (8), a Hall element (10) is connected to the inside of the fixing groove (9), an ejector block (12) is arranged on the left side of the Hall element (10), clamping blocks (14) are arranged on two sides of the fixing groove (9), a clamping groove (13) is arranged on one side of each clamping block (14), a buffer plate (16) is arranged in the shell (1), and a sliding rod (17) is connected to one side of each buffer plate (16), and one end of the slide rod (17) is connected with a buffer spring (18).

2. The 3D motor stroke limit structure of the massage chair as claimed in claim 1, wherein: the massage chair is characterized in that the shell (1) is fixedly connected with the motor main body (2), the motor main body (2) is provided with a double-head motor, a motor shaft of the motor main body (2) is coaxially connected with the output belt wheel (3), the output belt wheel (3) and the shell (1) form a rotating structure, and the output belt wheel (3) is connected with the massage structure of the massage chair.

3. The 3D motor stroke limit structure of the massage chair as claimed in claim 1, wherein: the rotating plate (4) is fixedly connected with the rotating shaft (19), the rotating shaft (19) is rotatably connected with the shell (1), the rotating plate (4) is fixedly connected with the sliding grooves (11), the sliding grooves (11) are symmetrically arranged relative to the transverse center line of the rotating plate (4), and the sliding grooves (11) are arranged in a T shape.

4. The 3D motor stroke limit structure of the massage chair as claimed in claim 1, wherein: the motor shaft of lead screw (5) and motor main part (2) sets up coaxially, and lead screw (5) and shell (1) swivelling joint to lead screw (5) and removal seat (6) threaded connection, remove seat (6) and shell (1) sliding connection, and remove seat (6) left side fixedly connected with magnet (7), magnet (7) left surface and hall element (10) right flank contactless, and hall element (10) pass through fixed slot (9) and the mutual block of slider (8), hall element (10) set up about the horizontal central line symmetry of rotor plate (4), and hall element (10) and kicking block (12) in close contact with, and kicking block (12) are rubber materials's arc fixed block.

5. The 3D motor stroke limit structure of the massage chair as claimed in claim 1, wherein: the sliding block (8) is in sliding connection with the sliding groove (11), the sliding block (8) is of a T-shaped structure, the sliding block (8) is in sliding connection with the clamping block (14), the clamping block (14) is clamped with the clamping groove (13) mutually, the inner portion of the clamping groove (13) and the front end of the clamping block (14) are arranged in a circular arc shape, the clamping block (14) and the clamping spring (15) form a spring resetting structure, and the clamping block (14) is symmetrically arranged relative to the transverse center line of the sliding block (8).

6. The 3D motor stroke limit structure of the massage chair as claimed in claim 1, wherein: buffer board (16) are about the horizontal central line symmetry setting of lead screw (5), and buffer board (16) inside central line link up and set up the through-hole that is greater than lead screw (5) diameter, buffer board (16) and litter (17) fixed connection, and litter (17) and shell (1) sliding connection to litter (17) are about the vertical central line symmetry setting of buffer board (16), buffer board (16) and buffer spring (18) constitute spring reset structure, and buffer spring (18) are about the vertical central line symmetry setting of buffer board (16).

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