CN114225308A

CN114225308A - Wrist relaxing device

Info

Publication number: CN114225308A
Application number: CN202111640951.1A
Authority: CN
Inventors: 石梓韬; 赵庆宏; 柯钱; 吴俊华; 车凯
Original assignee: Luxshare Electronic Technology Kunshan Ltd
Current assignee: Luxshare Electronic Technology Kunshan Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-03-25
Anticipated expiration: 2041-12-29
Also published as: CN114225308B

Abstract

The invention belongs to the technical field of fitness equipment, and discloses a wrist relaxing device which comprises a first rotating part and a second rotating part, the rotating shaft passes through the circle center of the one-way ratchet wheel, the one-way ratchet wheel is rotatably connected with the rotating shaft, ratchet teeth are arranged on the circumference of the one-way ratchet wheel, and the first damping piece and the second damping piece can be abutted against the ratchet teeth on the circumference of the one-way ratchet wheel. The wrist relaxing device realizes free rotation of two hands by utilizing unidirectional rotation of the unidirectional ratchet wheel, and plays a role in exercising and relaxing.

Description

Wrist relaxing device

Technical Field

The invention relates to the technical field of fitness equipment, in particular to a wrist relaxing device.

Background

Since the internet era, the situation that a large number of computers work, games and the like use keyboards for a long time makes the existing 'keyboard hands' and 'mouse hands' become a common phenomenon. In the face of the above problems, wrist relaxing tools have come to mind.

Common wrist relaxers have fingertip tops and wrist power ball, and fingertip tops often can only relax or utilize the rotation to carry out the relaxation of both hands because its product limitation, and a certain degree too emphasizes the interest, and wrist power ball too emphasizes the exercise nature, and uses and have certain danger, if misuse, has the possibility that leads to the wrist to sprain.

Therefore, a need exists for a wrist relaxing device to solve the above problems.

Disclosure of Invention

The invention aims to provide a wrist relaxing device, which realizes free rotation of two hands by utilizing unidirectional rotation of a unidirectional ratchet wheel, and simultaneously increases resistance force applied when a first rotating part and a second rotating part are driven to rotate relatively by utilizing the limitation of a first damping part and a second damping part, thereby achieving the purpose of exercising and relaxing.

In order to achieve the purpose, the invention adopts the following technical scheme:

a wrist relaxer comprising:

a first rotating portion including a first turntable and a first damping member provided in a circumferential direction of the first turntable;

the second rotating part comprises a second rotating disc and a second damping piece, the second damping piece is arranged in the circumferential direction of the second rotating disc, and the second damping piece is opposite to the first damping piece;

one end of the rotating shaft is rotatably connected with the circle center of the first rotating disc, and the other end of the rotating shaft is rotatably connected with the circle center of the second rotating disc;

the one-way ratchet wheel is arranged between the first rotating part and the second rotating part, the rotating shaft penetrates through the circle center of the one-way ratchet wheel, the one-way ratchet wheel is rotationally connected with the rotating shaft, ratchet wheel teeth are arranged on the circumferential direction of the one-way ratchet wheel, and the first damping piece and the second damping piece can be abutted against the ratchet wheel teeth on the circumferential direction of the one-way ratchet wheel;

wherein, first rotation portion is relative when second rotation portion rotates along first hour hand direction, first damping piece with ratchet tooth butt, second damping piece is relative ratchet tooth slides, first rotation portion is relative when second rotation portion rotates along second hour hand direction, second damping piece with ratchet tooth butt, first damping piece is relative ratchet tooth slides, first hour hand direction with second hour hand opposite direction.

Preferably, a first through hole is formed in the center of the first rotating disc along the axial direction, one end of the rotating shaft penetrates through the first through hole, and the first through hole is in clearance fit with the rotating shaft.

Preferably, one side of the first rotary disc, which is far away from the second rotary disc, is provided with a first circular groove, the first circular groove is communicated with the first through hole, one end of the rotary shaft is provided with a first limiting part, the first limiting part is arranged in the first circular groove, and the first limiting part and the first circular groove form a first channel.

Preferably, a second through hole is formed in the center of the second rotary table along the axial direction, the other end of the rotary shaft penetrates through the second through hole, and the second through hole is in clearance fit with the rotary shaft.

Preferably, a second circular groove is formed in one side, away from the first rotary table, of the second rotary table, the second circular groove is communicated with the second through hole, a second limiting portion is arranged at the other end of the rotary shaft, the second limiting portion is arranged in the second circular groove, and a second channel is formed by the second limiting portion and the second circular groove.

Preferably, first damping piece includes first supporting ring and first elasticity jack catch, first supporting ring sets up first carousel is close to one side of second carousel, first supporting ring cover is established in the circumference of one-way ratchet, first elasticity jack catch sets up in the circumference of first supporting ring, the one end of first elasticity jack catch can the circumference of one-way ratchet with the ratchet tooth butt.

Preferably, be provided with first support column and first spacing post on the first support ring, the other end of first elasticity jack catch with first support column rotates to be connected, deviating from of ratchet tooth one end of one-way ratchet can support and press first elasticity jack catch in first spacing post, first carousel is opened and is equipped with first spacing groove, the one end of first support column stretches into in the first spacing groove.

Preferably, the second damping piece includes second support ring and second elasticity jack catch, the second support ring sets up the second carousel is close to one side of first carousel, the second support ring cover is established in the week of one-way ratchet, the setting of second elasticity jack catch is in the week of second support ring, the one end of second elasticity jack catch can be in week of one-way ratchet with the ratchet tooth butt.

Preferably, a second support column and a second limit column are arranged on the second support ring, the other end of the second elastic clamping jaw is rotatably connected with the second support column, one end of the ratchet wheel tooth, which deviates from the one-way ratchet wheel, can be abutted against and press the second elastic clamping jaw against the second limit column, a second limit groove is formed in the second turntable, and one end of the second support column extends into the second limit groove.

Preferably, the first rotating part and the second rotating part are mirror images relative to the one-way ratchet wheel.

The invention has the beneficial effects that:

when the wrist loosening device is used, one hand holds the first rotating disc, the other hand holds the second rotating disc, when the hand drives the first rotating part to rotate relative to the second rotating part along the first time hand direction, the first damping piece is abutted against the ratchet teeth, the second damping piece slides relative to the ratchet teeth, the first rotating disc limits the rotation of the one-way ratchet wheel through the first damping piece, and the second rotating disc rotates relative to the one-way ratchet wheel through the second damping piece, so that the first rotating disc rotates relative to the second rotating disc along the first time hand direction; when the first rotating portion of hand drive rotates along the second hour hand direction relative to the second rotating portion, second damping piece and ratchet tooth butt, and first damping piece slides relative to the ratchet tooth, and the second carousel passes through the one-way ratchet of second damping piece restriction and rotates, and first carousel passes through the one-way ratchet of first damping piece relative and rotates to realize that first carousel rotates along the second hour hand direction relative to the second carousel. This wrist relaxer utilizes one-way ratchet unilateral to rotate, realizes the free rotation of both hands, utilizes the restriction of first damping piece and second damping piece simultaneously, increases the resistance that receives when the relative rotation of the first rotation portion of drive and second rotation portion, plays the purpose of taking exercise and relaxing.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a wrist relaxing apparatus provided by the present invention;

FIG. 2 is an exploded view of a wrist relaxer according to the present invention;

FIG. 3 is an exploded view of a wrist relaxer according to the present invention;

FIG. 4 is a cross-sectional view B-B of FIG. 1;

FIG. 5 is a cross-sectional view of C-C of FIG. 1;

FIG. 6 is a cross-sectional view A-A of FIG. 1;

FIG. 7 is an enlarged view of a portion of FIG. 6 at D;

fig. 8 is a partial enlarged view at E in fig. 6.

In the figure:

100. a first rotating section; 101. a first turntable; 1011. a first through hole; 1012. a first circular groove; 1013. a first channel; 1014. a first limit groove; 1015. a first accommodation area; 102. a first damping member; 1021. a first support ring; 10211. a first support column; 10212. a first limit post; 1022. a first elastic jaw;

200. a second rotating part; 201. a second turntable; 2011. a second through hole; 2012. a second circular groove; 2013. a second channel; 2014. a second limit groove; 2015. a second accommodation area; 202. a second damping member; 2021. a second support ring; 20211. a second support column; 20212. a second limit post; 2022. a second elastic jaw;

300. a rotating shaft; 301. a first limiting part; 3011. a first inclined plane; 302. a second limiting part; 3021. a second inclined plane;

400. a one-way ratchet; 401. ratchet teeth.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 8, the present embodiment provides a wrist relaxing device, which includes a first rotating portion 100, a second rotating portion 200, a rotating shaft 300 and a one-way ratchet 400, wherein the first rotating portion 100 includes a first rotating plate 101 and a first damping member 102, the first damping member 102 is disposed on a circumference of the first rotating plate 101, the second rotating portion 200 includes a second rotating plate 201 and a second damping member 202, the second damping member 202 is disposed on a circumference of the second rotating plate 201, the second damping member 202 is disposed opposite to the first damping member 102, one end of the rotating shaft 300 is rotatably connected to a center of the first rotating plate 101, the other end of the rotating shaft 300 is rotatably connected to a center of the second rotating plate 201, the one-way ratchet 400 is disposed between the first rotating portion 100 and the second rotating portion 200, the rotating shaft 300 passes through the center of the one-way ratchet 400, the one-way ratchet 400 is rotatably connected to the rotating shaft 300, ratchet 400 is disposed on a circumference of the one-way ratchet 400, the first damper 102 and the second damper 202 can abut against the ratchet teeth 401 in the circumferential direction of the one-way ratchet 400. When the first rotating portion 100 rotates in the first clockwise direction relative to the second rotating portion 200, the first damping member 102 abuts against the ratchet teeth 401, and the second damping member 202 slides relative to the ratchet teeth 401; when the first rotating portion 100 rotates in the second clockwise direction with respect to the second rotating portion 200, the second damping member 202 abuts against the ratchet teeth 401, and the first damping member 102 slides with respect to the ratchet teeth 401, with the first clockwise direction being opposite to the second clockwise direction. Illustratively, the first clock direction is clockwise and the second clock direction is counterclockwise.

In the wrist loosening device provided by the present embodiment, when in use, one hand holds the first rotating disc 101, the other hand holds the second rotating disc 201, when the hand drives the first rotating part 100 to rotate in the first clockwise direction relative to the second rotating part 200, the first damping member 102 abuts against the ratchet teeth 401, the second damping member 202 slides relative to the ratchet teeth 401, the first rotating disc 101 limits the rotation of the one-way ratchet 400 through the first damping member 102, and the second rotating disc 201 rotates relative to the one-way ratchet 400 through the second damping member 202, so as to realize the rotation of the first rotating disc 101 in the first clockwise direction relative to the second rotating disc 201; when the first rotating portion 100 is driven by hand to rotate along the second clockwise direction relative to the second rotating portion 200, the second damping member 202 abuts against the ratchet teeth 401, the first damping member 102 slides relative to the ratchet teeth 401, the second rotating disc 201 limits the rotation of the one-way ratchet 400 through the second damping member 202, and the first rotating disc 101 rotates relative to the one-way ratchet 400 through the first damping member 102, so that the first rotating disc 101 rotates relative to the second rotating disc 201 along the second clockwise direction. The wrist relaxer utilizes the unidirectional rotation of the unidirectional ratchet 400 to realize the free rotation of both hands, and utilizes the limitation of the first damping piece 102 and the second damping piece 202 to increase the resistance received when the first rotating part 100 and the second rotating part 200 are driven to rotate relatively, thereby achieving the purpose of exercising and relaxing.

Specifically, the first rotating disk 101 and the second rotating disk 201 may be hemispherical, which is convenient for a user to hold the two hands of the user, and of course, in other embodiments, the shapes of the first rotating disk 101 and the second rotating disk 201 may also be specifically selected according to the usage habit of the user. Preferably, the first rotating part 100 and the second rotating part 200 are mirror-symmetrical with respect to the one-way ratchet 400, and the structure is convenient for a user to use and can ensure the beauty of the wrist relaxing device.

As shown in fig. 2, 3 and 4, the first damping element 102 in this embodiment includes a first support ring 1021 and a first elastic claw 1022, the first support ring 1021 is disposed on a side of the first rotary table 101 close to the second rotary table 201, the first support ring 1021 is sleeved on a circumferential direction of the one-way ratchet 400, the first elastic claw 1022 is disposed on the circumferential direction of the first support ring 1021, and one end of the first elastic claw 1022 can abut against the ratchet teeth 401 in the circumferential direction of the one-way ratchet 400. Through the structure, when the first rotating part 100 rotates relative to the second rotating part 200 along the first clockwise direction in use, one end of the first elastic claw 1022 is abutted against the ratchet teeth 401, when the first rotating part 100 rotates relative to the second rotating part 200 along the second clockwise direction, one end of the first elastic claw 1022 slides relative to the ratchet teeth 401, after the first elastic claw 1022 passes through the ratchet teeth 401, the first elastic claw 1022 is reset under the elastic action and collides with the one-way ratchet 400, and clear feedback is transmitted by collision, so that a user feels pleasure in mind and body. Illustratively, the first elastic claw 1022 may be made of spring steel, or may be a spring or a spring sheet. The elastic force of the first elastic claw 1022 may be selected according to the amount of the wrist force of the user.

Optionally, a first support post 10211 and a first limit post 10212 are disposed on the first support ring 1021, the other end of the first elastic claw 1022 is rotatably connected to the first support post 10211, one end of the ratchet tooth 401 departing from the unidirectional ratchet 400 can press the first elastic claw 1022 against the first limit post 10212, the first turntable 101 is disposed with a first limit groove 1014, and one end of the first support post 10211 extends into the first limit groove 1014. Through the above structure, the first rotating portion 100 rotates in the second clockwise direction relative to the second rotating portion 200, one end of the first elastic claw 1022 slides relative to the ratchet teeth 401, when the first elastic claw 1022 passes through the ratchet teeth 401, one end of the ratchet teeth 401, which is away from the one-way ratchet 400, presses the first elastic claw 1022 against the first limiting post 10212, so that the first elastic claw 1022 is elastically deformed, thereby increasing the sliding friction force of the first elastic claw 1022 passing through the ratchet teeth 401 to play a role in loosening the wrist, then the first elastic claw 1022 passing through the ratchet teeth 401 is reset under the elastic force generated by the elastic deformation and collides with the one-way ratchet 400, it is ensured that the feedback transmitted by the collision is more crisp, and the first limiting post 10212 can prevent the first elastic claw 1022 from interfering with other structures during use to influence the normal use of other structures, one end of the first supporting post 10211 extends into the first limiting groove 1014 to realize the first supporting ring 1021 and the first rotating disk 101 The detachable connection therebetween facilitates the detachment and installation of the first rotating portion 100. As a preferable technical solution, a first receiving area 1015 is formed on one side of the first rotary plate 101 close to the second rotary plate 201, a first limiting groove 1014 is formed in the first receiving area 1015, the first elastic claw 1022 is formed in the first receiving area 1015, one end of a first support post 10211 of the first support ring 1021 extends into the first limiting groove 1014, and the first support ring 1021 limits the first elastic claw 1022 in the first receiving area 1015, so that not only can the influence of foreign matters such as external dust on the first elastic claw 1022 due to falling into the first elastic claw 1022 be avoided, but also the aesthetic degree of the first rotary part 100 can be ensured.

As shown in fig. 2, 3 and 5, the second damping member 202 in this embodiment includes a second support ring 2021 and second elastic claws 2022, the second support ring 2021 is disposed on a side of the second turntable 201 close to the first turntable 101, the second support ring 2021 is sleeved on the circumferential direction of the one-way ratchet 400, the second elastic claws 2022 are disposed on the circumferential direction of the second support ring 2021, and one end of the second elastic claws 2022 can abut against the ratchet teeth 401 in the circumferential direction of the one-way ratchet 400. Through the structure, the second elastic claw 2022 is matched with the first elastic claw 1022, when the first rotating part 100 rotates relative to the second rotating part 200 along the second clockwise direction in use, one end of the second elastic claw 2022 abuts against the ratchet teeth 401, one end of the first elastic claw 1022 slides relative to the ratchet teeth 401, when the first rotating part 100 rotates relative to the second rotating part 200 along the first clockwise direction, one end of the first elastic claw 1022 abuts against the ratchet teeth 401, one end of the second elastic claw 2022 slides relative to the ratchet teeth 401, after the second elastic claw 2022 passes through the ratchet teeth 401, the second elastic claw 2022 is reset under the elastic effect and collides with the one-way ratchet 400, and clear feedback is transmitted from collision, so that the body and the mind of a user are pleasant. The second elastic claw 2022 may be made of spring steel, or may be a spring or a leaf spring. The elastic force of the second elastic claw 2022 can be selected according to the amount of the wrist force of the user.

Optionally, a second supporting ring 2021 is provided with a second supporting column 20211 and a second limiting column 20212, the other end of the second elastic claw 2022 is rotatably connected to the second supporting column 20211, one end of the ratchet tooth 401 away from the unidirectional ratchet 400 can press the second elastic claw 2022 against the second limiting column 20212, the second turntable 201 is provided with a second limiting groove 2014, and one end of the second supporting column 20211 extends into the second limiting groove 2014. Through the above structure, the first rotating portion 100 rotates relative to the second rotating portion 200 along the first clock direction, one end of the second elastic claw 2022 slides relative to the ratchet teeth 401, when the second elastic claw 2022 passes through the ratchet teeth 401, one end of the ratchet teeth 401, which is away from the one-way ratchet 400, presses the second elastic claw 2022 against the second limiting post 20212, so that the second elastic claw 2022 elastically deforms, thereby increasing the sliding friction force of the second elastic claw 2022 passing through the ratchet teeth 401, playing a role in loosening the wrist, then the second elastic claw 2022 passing through the ratchet teeth 401 resets under the elastic force generated by the elastic deformation and collides with the one-way ratchet 400, ensuring that the feedback transmitted by the collision is more crisp, and the second limiting post 20212 can prevent the second elastic claw 2022 from interfering with other structures during the use process to affect the normal use of other structures, one end of the second supporting post 20211 extends into the second limiting groove 2014, thereby realizing that the second supporting ring 2021 and the second rotating disk 201 The second rotating portion 200 can be conveniently disassembled and assembled due to the detachable connection between the first rotating portion and the second rotating portion. As a preferred technical solution, a second accommodating area 2015 is disposed on one side of the second turntable 201 close to the first turntable 101, a second limiting groove 2014 is disposed in the second accommodating area 2015, the second elastic claw 2022 is disposed in the second accommodating area 2015, one end of the second supporting column 20211 of the second supporting ring 2021 extends into the second limiting groove 2014, and the second supporting ring 2021 limits the second elastic claw 2022 in the second accommodating area 2015, so that not only can the normal use of the second elastic claw 2022 be prevented from being affected by the falling of foreign matters such as external dust into the second elastic claw 2022, but also the aesthetic degree of the second rotating portion 200 can be ensured.

Specifically, the number of the first elastic claws 1022 in this embodiment may be the same as the number of the first elastic claws 1022 to meet the use requirement of the user with the same wrist force of both hands, and of course, in other embodiments, the number of the first elastic claws 1022 may also be different from the number of the first elastic claws 1022, and the specific number may be selected according to the difference of the wrist force of both hands of the user, and the larger the number of the first elastic claws 1022 and the second elastic claws 2022 is, the larger the required wrist force is. The number of ratchet teeth 401 is equal to or greater than the number of first resilient jaws 1022 and the number of ratchet teeth 401 is equal to or greater than the number of second resilient jaws 2022.

As shown in fig. 6 and 7, in the embodiment, a first through hole 1011 is formed in the center of the first turntable 101 along the axial direction, one end of the rotating shaft 300 passes through the first through hole 1011, and the first through hole 1011 is in clearance fit with the rotating shaft 300. Through setting up first through-hole 1011, first carousel 101 rotates through first through-hole 1011 relative pivot 300, first through-hole 1011 and pivot 300 clearance fit, after wrist relaxer used a period, can fill lubricating oil through the clearance between first through-hole 1011 and the pivot 300, lubricating oil can flow to one-way ratchet 400 along pivot 300 to the lubrication to first carousel 101 and one-way ratchet 400 is realized.

Optionally, a first circular groove 1012 is formed in a side of the first rotary table 101 away from the second rotary table 201, the first circular groove 1012 is communicated with the first through hole 1011, a first limiting portion 301 is disposed at one end of the rotary shaft 300, the first limiting portion 301 is disposed in the first circular groove 1012, and a first channel 1013 is formed by the first limiting portion 301 and the first circular groove 1012. Through the structure, the first rotating disc 101 can be limited in the axial direction, the first rotating disc 101 is prevented from falling off from the rotating shaft 300 in the using process, the first channel 1013 is formed between the first limiting part 301 and the first circular groove 1012, and lubricating oil can be conveniently filled in the first channel 1013. Illustratively, the first position-limiting portion 301 is detachably connected to one end of the rotating shaft 300, so as to facilitate the detachment and installation of the wrist relaxing device, but in other embodiments, the first position-limiting portion 301 may also be fixedly connected to one end of the rotating shaft 300. Specifically, the first limit portion 301 has a first inclined surface 3011 formed in a circumferential direction thereof adjacent to the first limit groove 1014, and the first inclined surface 3011 can ensure that the lubricating oil smoothly flows into the first channel 1013.

As shown in fig. 6 and 8, in the embodiment, a second through hole 2011 is axially formed in a center of the second turntable 201, the other end of the rotating shaft 300 passes through the second through hole 2011, and the second through hole 2011 is in clearance fit with the rotating shaft 300. Through setting up second through-hole 2011, second carousel 201 rotates through second through-hole 2011 relative pivot 300, second through-hole 2011 and pivot 300 clearance fit, after wrist relaxor uses a period, can fill lubricating oil through the clearance between second through-hole 2011 and the pivot 300, lubricating oil can flow to one-way ratchet 400 along pivot 300, thereby realize the lubrication to second carousel 201 and one-way ratchet 400, under the cooperation of second through-hole 2011 and first through-hole 1011, carry out lubricating oil to wrist relaxor and fill.

Optionally, a second circular groove 2012 is formed in one side of the second turntable 201 away from the first turntable 101, the second circular groove 2012 is communicated with a second through hole 2011, a second limiting portion 302 is arranged at the other end of the rotating shaft 300, the second limiting portion 302 is arranged in the second circular groove 2012, and a second channel 2013 is formed between the second limiting portion 302 and the second circular groove 2012. Through the structure, the second turntable 201 can be limited in the axial direction, the second turntable 201 is prevented from falling off from the rotating shaft 300 in the using process, the second limiting portion 302 is matched with the first limiting portion 301 for use, so that the first turntable 101 and the second turntable 201 are limited in the axial direction, a second channel 2013 is formed between the second limiting portion 302 and the second circular groove 2012, and lubricating oil is conveniently filled in the second channel 2013. Illustratively, the second position-limiting portion 302 is detachably connected to the other end of the rotating shaft 300, so as to facilitate the detachment and installation of the wrist relaxing device, and of course, in other embodiments, the second position-limiting portion 302 may also be fixedly connected to one end of the rotating shaft 300. Specifically, the second limiting portion 302 is provided with a second inclined surface 3021 in the circumferential direction close to the second limiting groove 2014, and the lubricating oil can be ensured to smoothly flow into the second channel 2013 by the second inclined surface 3021.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A wrist relaxer, comprising:

a first rotating portion (100), the first rotating portion (100) including a first rotating disk (101) and a first damping member (102), the first damping member (102) being provided in a circumferential direction of the first rotating disk (101);

a second rotating portion (200), wherein the second rotating portion (200) comprises a second rotating disc (201) and a second damping member (202), the second damping member (202) is arranged on the circumferential direction of the second rotating disc (201), and the second damping member (202) is arranged opposite to the first damping member (102);

one end of the rotating shaft (300) is rotatably connected with the circle center of the first rotating disc (101), and the other end of the rotating shaft (300) is rotatably connected with the circle center of the second rotating disc (201);

the one-way ratchet (400) is arranged between the first rotating part (100) and the second rotating part (200), the rotating shaft (300) penetrates through the circle center of the one-way ratchet (400), the one-way ratchet (400) is rotatably connected with the rotating shaft (300), ratchet teeth (401) are arranged on the circumferential direction of the one-way ratchet (400), and the first damping piece (102) and the second damping piece (202) can abut against the ratchet teeth (401) on the circumferential direction of the one-way ratchet (400);

when the first rotating portion (100) rotates relative to the second rotating portion (200) along a first hour hand direction, the first damping piece (102) is abutted to the ratchet teeth (401), the second damping piece (202) slides relative to the ratchet teeth (401), when the first rotating portion (100) rotates relative to the second rotating portion (200) along the second hour hand direction, the second damping piece (202) is abutted to the ratchet teeth (401), the first damping piece (102) slides relative to the ratchet teeth (401), and the first hour hand direction is opposite to the second hour hand direction.

2. The wrist relaxing device according to claim 1, wherein a first through hole (1011) is axially formed in a center of the first rotating disc (101), one end of the rotating shaft (300) penetrates through the first through hole (1011), and the first through hole (1011) is in clearance fit with the rotating shaft (300).

3. The wrist relaxing device according to claim 2, wherein a first circular groove (1012) is formed in one side of the first rotating disc (101) facing away from the second rotating disc (201), the first circular groove (1012) is communicated with the first through hole (1011), a first limiting portion (301) is arranged at one end of the rotating shaft (300), the first limiting portion (301) is arranged in the first circular groove (1012), and the first limiting portion (301) and the first circular groove (1012) form a first channel (1013).

4. The wrist relaxing device according to claim 1, wherein a second through hole (2011) is axially formed in a center of the second rotating disc (201), the other end of the rotating shaft (300) penetrates through the second through hole (2011), and the second through hole (2011) is in clearance fit with the rotating shaft (300).

5. The wrist relaxer according to claim 4, wherein a second circular groove (2012) is formed in one side of the second rotary plate (201) away from the first rotary plate (101), the second circular groove (2012) is communicated with the second through hole (2011), a second limiting portion (302) is disposed at the other end of the rotary shaft (300), the second limiting portion (302) is disposed in the second circular groove (2012), and the second limiting portion (302) and the second circular groove (2012) form a second channel (2013).

6. The wrist relaxer according to claim 1, wherein the first damping element (102) comprises a first support ring (1021) and a first elastic claw (1022), the first support ring (1021) is disposed on a side of the first rotating disk (101) close to the second rotating disk (201), the first support ring (1021) is sleeved on a circumferential direction of the one-way ratchet (400), the first elastic claw (1022) is disposed on the circumferential direction of the first support ring (1021), and one end of the first elastic claw (1022) can abut against the ratchet teeth (401) in the circumferential direction of the one-way ratchet (400).

7. The wrist relaxer according to claim 6, wherein the first support ring (1021) is provided with a first support column (10211) and a first limit column (10212), the other end of the first elastic claw (1022) is rotatably connected to the first support column (10211), one end of the ratchet tooth (401) facing away from the one-way ratchet (400) can press the first elastic claw (1022) against the first limit column (10212), the first rotary disc (101) is provided with a first limit groove (1014), and one end of the first support column (10211) extends into the first limit groove (1014).

8. The wrist relaxer according to claim 1, characterized in that the second damping member (202) includes a second support ring (2021) and a second elastic claw (2022), the second support ring (2021) is disposed on a side of the second turntable (201) close to the first turntable (101), the second support ring (2021) is fitted around a circumference of the one-way ratchet (400), the second elastic claw (2022) is disposed around a circumference of the second support ring (2021), and one end of the second elastic claw (2022) can abut against the ratchet teeth (401) in a circumference of the one-way ratchet (400).

9. The wrist loosening device according to claim 8, wherein the second support ring (2021) is provided with a second support pillar (20211) and a second position-limiting pillar (20212), the other end of the second elastic claw (2022) is rotatably connected to the second support pillar (20211), one end of the ratchet teeth (401) facing away from the one-way ratchet (400) can press the second elastic claw (2022) against the second position-limiting pillar (20212), the second rotating disc (201) is provided with a second position-limiting groove (2014), and one end of the second support pillar (20211) extends into the second position-limiting groove (2014).

10. Wrist relaxer according to any one of claims 1-9, wherein the first rotation part (100) and the second rotation part (200) are mirror symmetric with respect to the one-way ratchet (400).