CN210903995U - Lower limb massager and massage chair - Google Patents

Abstract

The utility model relates to a lower limb massager, comprising a fixing frame, a leg frame for installing a leg massage structure, a foot frame for installing a foot massage structure, and a stroke adjustment device; the stroke adjustment device is arranged at on the fixed frame, and adjust the leg frame and the foot frame to move relative to the fixed frame; the stroke adjustment device includes: a gear member, a first rack, and a second rack arranged on the fixed frame; the first rack the leg frame is connected to the gear part and the second rack is connected to the foot frame and meshed with the gear part; the gear part has: a first gear part meshed with the first rack; The second gear part meshed by the bar; the rotation axes of the first gear part and the second gear part are coincident, and the radial dimensions of the two are different. The leg rests and foot rests of the present application are capable of reverse movement at different speeds. The present application further provides a massage chair.

Description

A lower limb massager and massage chair

technical field

The utility model relates to massage equipment, in particular to a lower limb massager and a massage chair.

Background technique

Patent application CN206167305U discloses a lower extremity telescopic lower extremity massage assembly, which uses a differential assembly to make the leg rest frame and the foot rest frame move in opposite directions. In this patent application, the gear member of the differential assembly has only one gear portion, and both racks are respectively meshed with the gear portion. When the patent application is working, the leg rest and foot rest will move in opposite directions at the same speed, and in some product designs, in order to match a specific massage technique, the leg rest and foot rest will be required. Ability to reverse activity at different speeds. In view of this, this application is hereby made.

Utility model content

The technical problem to be solved by the utility model is to provide a lower limb massager to solve the problem that the leg rest frame and the foot rest frame of the existing leg rest massager cannot move in opposite directions at different speeds.

In order to solve the above-mentioned technical problems, the present utility model provides a lower limb massager, which comprises a fixing frame, a leg frame for installing the leg massage structure, a foot frame for installing the foot massage structure, and a stroke adjustment device; The stroke adjustment device is arranged on the fixed frame, and adjusts the leg frame and the foot frame to move relative to the fixed frame; the stroke adjustment device comprises: a gear member, a first rack, and a second rack arranged on the fixed frame; The first rack is connected to the leg frame and meshed with the gear member, the second rack is connected to the foot frame and meshed with the gear member; the gear member has: a first gear portion that meshes with the first rack , a second gear part meshing with the second rack; the rotation axes of the first gear part and the second gear part coincide, and the radial dimensions of the two are different.

Preferably, the lower limb massager further comprises a driving device arranged on the fixing frame, the driving device drives the first rack to move up and down, drives the second rack to move up and down, or drives the gear member to rotate forward and reverse.

Preferably, the driving device drives the second rack to move up and down; the driving device comprises: a screw member disposed on the fixing frame, a set of screw members and connected to the foot frame or the second gear A nut piece on the strip, a motor arranged on the fixing frame, and a transmission assembly connecting the screw piece and the motor.

Preferably, the second rack has an accommodating groove for disposing the screw member and the nut member.

Preferably, the gear member, the first rack, and the second rack are two groups of left and right oppositely arranged.

Preferably, the foot frame includes: two left and right oppositely arranged sliding rods extending up and down respectively; the fixing frame includes: two left and right opposite guiding members with a first chute extending up and down; the two sliding rods The rods are respectively arranged in the first sliding grooves of the two guide members.

Preferably, the gear member, the first rack, and the second rack are two sets of oppositely arranged left and right; the two first racks have second sliding grooves extending up and down, and the two guide members are respectively arranged on the two in the second chute.

Preferably, when the gear member, the first gear rack and the second gear rack are two sets of oppositely arranged left and right, the two gear members are rotatably arranged on a gear member mounting plate, and the gear member mounting plate is connected to the gear member mounting plate. on the mounting bracket.

Preferably, the leg frame includes two brackets with U-shaped grooves arranged opposite to each other; the foot frame has a mounting plate for installing the foot massage structure, and the left and right sides of the mounting plate are respectively clamped on the two said brackets. in the U-shaped groove of the bracket.

The present application further provides a massage chair, comprising a seat frame and a lower extremity massager hinged to the front end of the seat frame, wherein the lower extremity massager is the lower extremity massager described in any one of the foregoing.

By adopting the above-mentioned technical scheme, the utility model can obtain the following technical effects:

1. The rotation axes of the first gear part and the second gear part of the gear part of the present application coincide, and the radial dimensions of the two are different, so that the first rack and the second rack can move in opposite directions at different speeds, thereby The leg frame and the foot frame can correspond to opposite movements at different speeds;

2. The driving device of the present application can realize the first rack and the second rack under the conditions of driving the first rack to move up and down, driving the second rack to move up and down, or driving the gear member to rotate forward and reverse. Reverse activities at different speeds;

3. In the case that the second rack has an accommodating groove for configuring the screw member and the nut member, the structure of the whole product can be made more compact;

4. In the case where the guide has a first chute and the first rack has a second chute, the slide bar is arranged in the first chute, and the guide is arranged in the direction of the second chute, so that the overall The structure of the product is relatively compact;

5. Under the condition that the lower limb massager includes a spring member, and the two ends of the spring member are connected between the fixed frame, the leg frame and the foot frame, when the user presses the foot massage structure through the foot When the second rack is moved downward, the leg frame and the foot frame move in opposite directions, and the spring member is elastically stretched and deformed by force; when the user no longer applies pressure to the foot massage structure, the spring member will reset to make The leg frame and the foot frame return to their original positions, which helps to reduce the cost of the lower extremity massager compared to the other way of disposing a driving device;

6. When the left and right sides of the mounting plate are respectively clamped in the U-shaped grooves of the two brackets, the overall product structure can be made more compact, and the U-shaped grooves play a role in restricting the forward movement of the mounting plate.

Description of drawings

FIG. 1 shows a schematic diagram of a lower limb massager according to an embodiment;

FIG. 2 is a schematic diagram illustrating state changes of the lower limb massager according to an embodiment.

3 shows a first assembly schematic diagram of the lower limb massager according to an embodiment;

FIG. 4 is a second assembly schematic diagram of the lower limb massager according to an embodiment.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments of the present invention are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention.

1 and 2, in one embodiment, the lower limb massager of the present application comprises: a fixing frame 1, a leg frame 2 for installing a leg massage structure, a foot frame 3 for installing a foot massage structure, A stroke adjusting device 4 and a driving device 5 . The upper side of the fixing frame 1 is provided with a pair of left and right hinged ear portions 1D, which are used for hinged connection with the front end of the seat frame of the massage chair. The leg frame 2 is used to install a leg massage structure (not shown in the figure), and the leg massage structure can be a common airbag type massage structure that can massage the legs. The foot frame 3 is used to install a foot massage structure (not shown in the figure), and the foot massage structure can be a common massage structure with a foot massage roller. 2 , the stroke adjusting device 4 is driven by the driving device 5 to control the leg frame 2 and the foot frame 3 to move in opposite directions at different speeds. In the figure, the X direction is the direction from left to right, the Y direction is the direction from top to bottom, and the Z direction in FIG. 4 is the direction from back to front. The specific structure of each component and the manner of mutual cooperation will be further described below with reference to FIG. 3 and FIG. 4 .

For the fixing frame 1, please refer to FIG. 3, the fixing frame 1 includes: two first brackets 1A arranged up and down opposite to each other, two second brackets 1B arranged opposite to left and right, two guide members 1C arranged on the front sides of the two second brackets 1B, Two hinged ears 1D on the first bracket 1A on the upper side. The two first brackets 1A and the two second brackets 1B are connected, and the two guide members 1C are arranged opposite to each other and have a first chute S1 extending up and down.

Regarding the leg frame 2 , referring to FIG. 3 , the leg frame 2 includes: two left and right third brackets 2A arranged opposite to each other. The two third brackets 2A have U-shaped grooves arranged opposite to each other.

For the foot frame 3, referring to FIG. 3, the foot frame 3 includes: two left and right oppositely arranged fourth brackets 3A, a fifth bracket 3B, two left and right oppositely arranged sliding rods 3C and extending up and down respectively, a mounting foot Mounting plate 3D for massage structures. The second bracket 3B is connected between the two fourth brackets 3A, the two sliding rods 3C are respectively disposed on the rear sides of the two fourth brackets 3A, and the mounting plate 3D is fixed between the two fourth brackets 3A. The two sliding rod members 3C are respectively disposed in the first sliding grooves S1 of the two guiding members 1C. The left and right sides of the mounting plate 3D are respectively clamped in the U-shaped grooves of the two third brackets 2A. The U-shaped grooves can limit the forward movement of the mounting plate 3D, so as to prevent the foot massage structure from being installed on the mounting plate 3D. Transition forward.

With regard to the stroke adjustment device 4, in conjunction with FIG. 3 and FIG. 4, the stroke adjustment device 4 includes: two gear members 4A, two first racks 4B, two second racks 4C, a gear member configuration plate 4D, two support shafts 4E, Two supports 4F. Each gear member 4A is rotatably sleeved on the support shaft 4E, and is mounted on the gear member arrangement plate 4D through a support member 4F. The gear arrangement plate 4D is mounted on the fixing frame 1 . The gear member 4A, the first rack 4B, and the second rack 4C are divided into two groups that are arranged opposite to each other. The bar 4C meshes with the second gear portion 4A2. The rotation axes of the first gear portion 4A1 and the second gear portion 4A2 of each group of gear members 4A coincide, and the radial dimensions of the two are different. In this embodiment, the radial dimension of the first gear portion 4A1 is smaller than that of the second gear portion 4A2 The radial dimension of the two can be selected according to the needs of the product, for example, between 1:1.5 and 1:2.5. The two first racks 4B have second sliding grooves S2 extending up and down, and the two guide members 1C are respectively disposed in the two second sliding grooves S2. The two first racks 4B are respectively connected to the two third brackets 2A of the leg frame 2 . The two second racks 4C are integrated and connected to the mounting plate 3D of the foot frame 3 .

For the driving device 5, referring to FIG. 3 and FIG. 4, the driving device 5 includes: a screw member 5A arranged on the fixing frame 1, a mounting plate 3D which is set on the screw member 5A and connected to the foot frame 3 The nut member 5B, a motor 5C arranged on the fixing frame 1, and a transmission assembly 5D connecting the screw member 5A and the motor 5C. The transmission assembly 5D of this embodiment is a pulley transmission assembly. Referring to FIG. 1 , the rear side of the second rack 4C has an accommodating slot S3 for disposing the screw member 5A and the nut member 5B.

2 to 4, the working mode of the lower limb massager of the present embodiment is as follows: when the motor 5C is rotating forward, the nut member 5B moves downward relative to the screw member 5A, and then drives the mounting plate 3D to move downwards. The foot frame moves downward as a whole; when the mounting plate 3D moves downward, the second rack 4C connected to the mounting plate 3D also moves downward as a whole; when the second rack 4C moves downward as a whole, the left gear part 4A rotates clockwise, the right gear member rotates counterclockwise, and then the first racks 4B on the left and right sides move upward synchronously, thereby driving the two third brackets 2A of the leg frame 2 to move upward as a whole. Since the rotation axes of the first gear part 4A1 and the second gear part 4A2 are coincident and the radial dimensions of the two are different, the speed of the reverse movement of the leg frame 2 and the foot frame 3 is different. Correspondingly, when the motor 5C is reversed, the moving direction of each component is opposite to the above-mentioned manner, so it is not repeated here.

The above is the first embodiment of the present application, but it is easy to understand that the present application is not limited to the above-mentioned embodiments, which will be further described below.

In another embodiment, the gear member 4A, the first rack 4B, and the second rack 4C may be only one set.

In another embodiment, instead of the driving device 5 indirectly driving the second rack 4C to move by driving the mounting plate 3D to move, the driving device 5 can directly drive the second rack 4C to move, that is, the nut member 5B is connected to the second rack 4C. on the rack 4C.

In another embodiment, instead of the driving device directly or indirectly driving the second rack 4C to move up and down, the configuration and structure of the driving device can be adjusted to directly or indirectly drive the first rack 4B to move up and down.

In another embodiment, instead of the driving device directly or indirectly driving the first rack 4B or the second rack 4C to move up and down, the configuration and structure of the driving device can be adjusted so that the driving device drives the gear member 4A to rotate forward and reverse. In the way of rotation, the reverse movement of the first rack and the second rack is realized.

In another embodiment, the driving device may not be configured, and the foot frame may be moved downward by the user's foot pressing the foot massage structure, and the second rack 4C may be driven to move downward. At the same time, the lower limb massager can also include a spring member, and both ends of the spring member are connected between the fixed frame 1 , the leg frame 2 and the foot frame 3 to play a reset role.

In another embodiment, the matching manner of the fixing frame 1 , the leg frame 2 , and the foot frame 3 may not be limited to the structure of the first embodiment.

In another embodiment, the gear member 4A may be directly arranged on the fixing frame, instead of being indirectly arranged on the fixing frame through the gear member arranging plate 4D.

The present application further provides a massage chair, comprising a seat frame and a lower limb massager hinged to the front end of the seat frame, and the lower limb massager can be the lower limb massager of any of the foregoing embodiments.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A lower limb massager, comprising a fixing frame (1), a leg frame (2) for installing a leg massage structure, a foot frame (3) for installing a foot massage structure, and a stroke adjustment device ( 4); the stroke adjustment device (4) is arranged on the fixed frame (1), and adjusts the leg frame (2) and the foot frame (3) to move relative to the fixed frame (1); the stroke adjustment device (4) ) comprising: a gear member (4A), a first rack (4B), and a second rack (4C) disposed on the fixing frame (1); the first rack (4B) is connected to the leg frame (2) and meshes with the gear member (4A), the second rack (4C) is connected to the foot frame (3) and meshes with the gear member (4A); it is characterized in that the gear member (4A) has: a A first gear part (4A1) meshing with a rack (4B), a second gear part (4A2) meshing with a second rack (4C); the first gear part (4A1) and the second gear part ( 4A2) the axes of rotation coincide, and the radial dimensions of the two are different. 2 . The lower limb massager according to claim 1 , wherein the lower limb massager further comprises a driving device ( 5 ) arranged on the fixing frame ( 1 ), and the driving device ( 5 ) drives the first tooth. 3 . The bar (4B) moves up and down, drives the second rack (4C) to move up and down, or drives the gear member (4A) to rotate forward and reverse. 3. The lower limb massager according to claim 2, wherein the driving device (5) drives the second rack (4C) to move up and down; the driving device (5) comprises: a 1) on the lead screw piece (5A), a nut piece (5B) that is sleeved on the lead screw piece (5A) and connected to the foot frame (3) or the second rack (4C), a nut piece (5B) arranged on the A motor (5C) on the fixing frame (1), and a transmission assembly (5D) connecting the screw member (5A) and the motor (5C). 4. The lower limb massager according to claim 3, characterized in that the second rack (4C) has an accommodating groove (S3) in which the screw member (5A) and the nut member (5B) are arranged ). 5 . The lower limb massager according to claim 1 , wherein the gear member ( 4A ), the first rack ( 4B ) and the second rack ( 4C ) are two sets of oppositely arranged left and right. 6 . 6 . The lower limb massager according to claim 1 , wherein the foot frame ( 3 ) comprises: two sliding rods ( 3C ) which are arranged opposite to each other and extend up and down respectively; the fixing frame ( 1 ) It comprises: two guide members (1C) which are arranged opposite to each other and have a first chute (S1) extending up and down; (S1). 7 . The lower limb massager according to claim 6 , wherein the gear member ( 4A ), the first rack ( 4B ) and the second rack ( 4C ) are two groups of oppositely arranged left and right; The first rack (4B) has a second chute (S2) extending up and down, and the two guide members (1C) are respectively arranged in the two second chute (S2). 8. The lower limb massager according to claim 1, characterized in that, the lower limb massager further comprises a spring member, and both ends of the spring member are connected to the fixing frame (1) and the leg frame (2) , between the two of the foot frame (3). 9 . The lower limb massager according to claim 1 , wherein the leg frame ( 2 ) comprises two brackets ( 2A ) with U-shaped grooves arranged opposite to each other; the foot frame ( 3 ) has an installation The mounting plate (3D) of the foot massage structure, the left and right sides of the mounting plate (3D) are respectively clamped in the U-shaped grooves of the two brackets (2A). 10 . A massage chair, comprising a seat frame and a lower extremity massager hinged to the front end of the seat frame, wherein the lower extremity massager is the lower extremity massager according to any one of claims 1 to 9 .

Images