阅读说明：本技术 一种导向可变的远红外理疗床 (Changeable far infrared physiotherapy bed of direction ) 是由 徐美仙 于 2019-11-27 设计创作，主要内容包括：本发明公开了一种导向可变的远红外理疗床,左侧的导向单元设置在床体的左端、右侧的导向单元左右滑行设置在床体右部；一对下连接块、一对内限位块、一对外限位块、上连接块和下连接块之间形成宽度与驱动连接杆的直径相同的左右贯穿的照射导向槽；驱动连接杆的右端固定有左照射支撑板；左照射支撑板的右端面上端成型有一对前后对称设置的圆柱状的左右导向杆；一对左右导向杆位于导向单元的外侧；一对左右导向杆上套设有若干与左照射支撑板形状相同的右照射支撑板。本发明通过往复移动使得局部温度不会太高但是均匀作用在人体上,远红外线辐射板与人体之间的间距可调设置保证了人体吸收远红外线量不会过度。(The invention discloses a variable-guide far infrared physiotherapy couch, wherein a guide unit on the left side is arranged at the left end of a couch body, and a guide unit on the right side is arranged on the right part of the couch body in a left-right sliding manner; a left-right penetrating irradiation guide groove with the width the same as the diameter of the driving connecting rod is formed among the pair of lower connecting blocks, the pair of inner limiting blocks, the pair of outer limiting blocks, the upper connecting block and the lower connecting block; a left irradiation supporting plate is fixed at the right end of the driving connecting rod; a pair of cylindrical left and right guide rods which are symmetrically arranged front and back are formed at the upper end of the right end surface of the left irradiation supporting plate; a pair of left and right guide rods are positioned at the outer sides of the guide units; a plurality of right irradiation supporting plates with the same shape as the left irradiation supporting plates are sleeved on the left and right guide rods. The invention ensures that the local temperature is not too high but uniformly acts on the human body through reciprocating movement, and the adjustable arrangement of the distance between the far infrared radiation plate and the human body ensures that the amount of far infrared rays absorbed by the human body is not excessive.)

1. A far infrared physiotherapy bed with variable guide direction, which comprises a bed body (10); a plurality of supporting feet (11) are formed on the lower end surface of the bed body (10); the method is characterized in that: also comprises a reciprocating irradiation device (20); the reciprocating irradiation device (20) comprises a pair of guide units (24) which are arranged in a bilateral symmetry manner; a driving plate (22) is arranged on the left end surface of the bed body (10) in a reciprocating swinging manner; a rectangular sliding guide hole (220) which penetrates through the driving plate (22) from left to right and is arranged in the radial direction is formed in the driving plate; a driving supporting block (23) is arranged in the sliding guide hole (220) in a sliding manner; a cylindrical driving connecting rod (231) is formed on the right end face of the driving supporting block (23); the left guide unit (24) is arranged at the left end of the bed body (10), and the right guide unit (24) is arranged at the right part of the bed body (10) in a left-right sliding manner; the guide unit (24) comprises a pair of guide bases (241) which are arranged on the bed body (10) in a front-back sliding manner; the middle parts of the pair of guide bases (241) are far away or close to each other; a vertical guide groove which penetrates through the left and right is formed on the upper end surface of the guide base (241), and the left and right width of the vertical guide groove is the same as the diameter of the driving connecting rod (231); an L-shaped inner limiting block (243) and an L-shaped outer limiting block (242) are respectively arranged on the right end surfaces of a pair of guide bases (241) of the left guide unit (24) in a vertically sliding manner; the end surfaces far away from the vertical parts of the pair of inner limit blocks (243) are respectively flush with the side walls close to the pair of vertical guide grooves; the end surfaces of the vertical parts of the pair of outer limit blocks (242) close to are respectively flush with the side walls close to the pair of vertical guide grooves, and the side walls are far away from the side walls; the horizontal part of the inner limiting block (243) is lower than the horizontal part of the outer limiting block (242) and the vertical distance between the two parts is the same as the diameter of the driving connecting rod (231); an upper connecting block (245) is arranged on the left end surface of the horizontal part of the pair of outer limiting blocks (242) in a sliding manner; the lower end surface of the upper connecting block (245) is flush with the lower end surfaces of the horizontal parts of the pair of outer limiting blocks (242); a lower connecting block (244) is arranged on the left end surface of the horizontal part of the pair of inner limiting blocks (243) in a sliding manner; the upper end surface of the lower connecting block (244) is flush with the upper end surfaces of the horizontal parts of the pair of inner limiting blocks (243); a left-right penetrating irradiation guide groove with the width same as the diameter of the driving connecting rod (231) is formed between the pair of lower connecting blocks (244), the pair of inner limiting blocks (243), the pair of outer limiting blocks (242), the upper connecting block (245) and the lower connecting blocks (244); a left irradiation support plate (25) is fixed at the right end of the driving connecting rod (231); a pair of cylindrical left and right guide rods (251) symmetrically arranged in front and back are formed at the upper end of the right end face of the left irradiation support plate (25); a pair of left and right guide rods (251) located outside the guide unit (24); a plurality of right irradiation supporting plates (26) with the same shape as the left irradiation supporting plate (25) are sleeved on the left and right guide rods (251); the lower end faces of the left irradiation supporting plate (25) and the right irradiation supporting plate (26) are flush; a far infrared radiation plate (27) is fixed on the lower end surfaces of the left irradiation support plate (25) and the right irradiation support plate (26); a driven connecting rod (261) with the same diameter as the driving connecting rod (231) is formed at the lower end of the right end face of the rightmost right irradiation supporting plate (26); the rotation central axes of the driven connecting rod (261) and the driving connecting rod (231) are collinear; the right end of the driven connecting rod (261) horizontally penetrates through the irradiation guide groove of the right guide unit (24).

2. The far infrared physiotherapy couch with variable guidance according to claim 1, wherein: the right end faces of a pair of guide bases (241) of the guide unit (24) on the left side are positioned at the front side and the rear side of the vertical guide groove, and vertically arranged rectangular vertical limiting grooves (2410) are formed; vertical limit stoppers matched with the vertical limit grooves (2410) are formed on the left end surfaces of the vertical parts of the pair of inner limit stoppers (243) and the pair of outer limit stoppers (242); a plurality of rectangular limiting through holes (24100) which are uniformly distributed up and down are formed on the pair of guide bases (241); vertical limiting bolts (246) matched with the limiting through holes (24100) are respectively inserted into the front and rear end faces of the guiding base (241) which are flush with the limiting through holes (24100) after the limiting through holes (24100) penetrate through the vertical limiting grooves (2410); the vertical limiting block is provided with a vertical inner inserting hole which penetrates through the vertical limiting block from front to back and is matched with a vertical limiting bolt (246).

3. The far infrared physiotherapy couch with variable guidance according to claim 1, wherein: a pair of vertically-penetrating rectangular adjusting grooves (100) which are symmetrically arranged in front and back are formed in the bed body (10); a front-back adjusting threaded rod (29) is pivoted between the left ends of the far side walls of the pair of adjusting grooves (100); the part of the front-back adjusting threaded rod (29) positioned in the adjusting groove (100) is formed with external threaded parts with opposite rotation directions; a guide driving block (2411) is formed on the lower end surface of the guide base (241); a pair of guide driving blocks (2411) of the left guide unit (24) are arranged on the left side walls of the pair of adjusting grooves (100) in a front-back sliding mode and are screwed on different external thread parts of the front-back adjusting threaded rod (29); a front and rear adjusting motor is fixed on the front side wall of the adjusting groove (100) on the front side; the front end of the front-back adjusting threaded rod (29) is fixed on an output shaft of the front-back adjusting motor; a pair of cylindrical left and right adjusting guide rods (12) which are distributed up and down are respectively formed on the right end surfaces of the pair of guide driving blocks (2411) of the guide unit (24) on the left side; a pair of guide driving blocks (2411) of the right guide unit (24) are sleeved on a pair of left and right adjusting guide rods (12) on the corresponding sides from left to right.

4. The far infrared physiotherapy couch with variable guidance according to claim 3, wherein: a plurality of right limiting jacks (101) which are uniformly distributed on the left and right and penetrate through the bed body (10) in the front and back direction are formed at the right part of the bed body; the right limiting jacks (101) penetrate through the adjusting grooves (100); a right limit bolt (28) is inserted in the front end face and the rear end face of the bed body (10) through a right limit jack (101); the right limit bolt (28) horizontally penetrates through the guide driving block (2411) on the corresponding side of the right guide unit (24) in the front-back direction.

5. The far infrared physiotherapy couch with variable guidance according to claim 1, wherein: a swing driving motor (21) is fixed at the center of the left end surface of the bed body (10); the driving plate (22) is fixed at the left end of the output shaft of the swing driving motor (21).

6. The far infrared physiotherapy couch with variable guidance according to claim 1, wherein: a swing guide rod (221) in the radial direction is formed between a pair of side walls of the sliding guide hole (220) vertical to the radial direction; the driving supporting block (23) is sleeved on the swing guide rod (221).

7. The far infrared physiotherapy couch with variable guidance according to claim 1, wherein: a plurality of pressure springs (252) are sleeved on the left and right guide rods (251); the left end of a pressure spring (252) at the leftmost side is fixed on the left irradiation supporting plate (25), and the right end is fixed on the right irradiation supporting plate (26) at the leftmost end; the two ends of the other compressed springs (252) are fixed on the adjacent right irradiation supporting plate (26).

Technical Field

The invention relates to the field of far infrared physiotherapy equipment, in particular to a far infrared physiotherapy bed with variable guide direction.

Background

The existing far infrared physiotherapy bed is a space capsule, an upper cover of the space capsule is arched, the arched upper cover is of a rigid structure and cannot be changed, namely, the distance between the arched upper cover and a human body cannot be changed, the amount of far infrared rays absorbed by the human body is finished by adjusting the intensity of the far infrared rays, and the equipment is often expensive and easily causes overhigh local temperature and excessive amount of far infrared rays absorbed by the human body.

Disclosure of Invention

The invention aims to provide a far infrared physiotherapy couch with variable guide direction, aiming at the technical problem that the radiation distance of the existing far infrared physiotherapy couch cannot be changed.

The technical scheme for solving the technical problems is as follows: a far infrared physiotherapy bed with variable guide direction comprises a bed body; a plurality of supporting legs are formed on the lower end surface of the bed body; also comprises a reciprocating irradiation device; the reciprocating irradiation device comprises a pair of guide units which are arranged in bilateral symmetry; a driving plate is arranged on the left end surface of the bed body in a reciprocating swinging manner; a rectangular sliding guide hole which penetrates through the driving plate from left to right and is arranged in the radial direction is formed in the driving plate; a driving support block is arranged in the sliding guide hole in a sliding manner; a cylindrical driving connecting rod is formed on the right end face of the driving supporting block; the left guide unit is arranged at the left end of the bed body, and the right guide unit is arranged at the right part of the bed body in a left-right sliding manner; the guide unit comprises a pair of guide bases which are arranged on the bed body in a front-back sliding manner; the middle parts of the pair of guide bases are far away or close to each other; a vertical guide groove which penetrates through the left side and the right side is formed on the upper end surface of the guide base, and the left width and the right width of the vertical guide groove are the same as the diameter of the drive connecting rod; an L-shaped inner limiting block and an L-shaped outer limiting block are respectively arranged on the right end faces of a pair of guide bases of the left guide unit in a vertically sliding manner; the end surfaces far away from the vertical parts of the pair of inner limiting blocks are respectively flush with the side walls close to the pair of vertical guide grooves; the end surfaces of the vertical parts of the pair of outer limiting blocks, which are close to each other, are respectively flush with the side walls, close to the pair of vertical guide grooves, which are far away from each other; the horizontal part of the inner limiting block is lower than the horizontal part of the outer limiting block, and the vertical distance between the horizontal part of the inner limiting block and the horizontal part of the outer limiting block is the same as the diameter of the driving connecting rod; the left end surfaces of the horizontal parts of the pair of outer limiting blocks are provided with upper connecting blocks in a sliding manner; the lower end surface of the upper connecting block is flush with the lower end surfaces of the horizontal parts of the pair of outer limiting blocks; a lower connecting block is arranged on the left end surface of the horizontal parts of the pair of inner limiting blocks in a sliding manner; the upper end surface of the lower connecting block is flush with the upper end surfaces of the horizontal parts of the pair of inner limiting blocks; a left-right penetrating irradiation guide groove with the width the same as the diameter of the driving connecting rod is formed among the pair of lower connecting blocks, the pair of inner limiting blocks, the pair of outer limiting blocks, the upper connecting block and the lower connecting block; a left irradiation supporting plate is fixed at the right end of the driving connecting rod; a pair of cylindrical left and right guide rods which are symmetrically arranged front and back are formed at the upper end of the right end surface of the left irradiation supporting plate; a pair of left and right guide rods are positioned at the outer sides of the guide units; a plurality of right irradiation supporting plates with the same shape as the left irradiation supporting plates are sleeved on the left and right guide rods; the lower end faces of the left irradiation supporting plate and the right irradiation supporting plate are flush; the far infrared radiation plate is fixed on the lower end surfaces of the left irradiation supporting plate and the right irradiation supporting plate; a driven connecting rod with the same diameter as the driving connecting rod is formed at the lower end of the right end face of the rightmost right irradiation supporting plate; the rotation central axes of the driven connecting rod and the driving connecting rod are collinear; the right end of the driven connecting rod horizontally penetrates through the irradiation guide groove of the right guide unit.

Preferably, the right end faces of the pair of guide bases of the left guide unit are positioned at the front side and the rear side of the vertical guide groove, and vertically arranged rectangular vertical limiting grooves are formed; vertical limiting blocks matched with the vertical limiting grooves are formed on the left end faces of the vertical parts of the pair of inner limiting blocks and the pair of outer limiting blocks; a plurality of rectangular limiting through holes which are uniformly distributed up and down are formed on the pair of guide bases; the front end face and the rear end face of the guide base which are flush with each other are respectively inserted with a vertical limiting bolt matched with the limiting through hole by the limiting through hole; and a vertical inner inserting hole which penetrates through the vertical limiting block from front to back and is matched with the vertical limiting bolt is formed in the vertical limiting block.

Preferably, the bed body is formed with a pair of vertically-penetrating rectangular adjusting grooves which are symmetrically arranged in front and back; a front and back adjusting threaded rod is pivoted between the left ends of the side walls far away from the pair of adjusting grooves; the part of the front and back adjusting threaded rod, which is positioned in the adjusting groove, is formed with an external thread part with opposite turning directions; a guide driving block is formed on the lower end surface of the guide base; a pair of guide driving blocks of the left guide unit are arranged on the left side walls of the pair of adjusting grooves in a front-back sliding mode and are in threaded connection with different external thread parts of the front-back adjusting threaded rods; a front and rear adjusting motor is fixed on the front side wall of the adjusting groove on the front side; the front end of the front and back adjusting threaded rod is fixed on an output shaft of the front and back adjusting motor; a pair of cylindrical left and right adjusting guide rods which are distributed up and down are respectively formed on the right end surfaces of the pair of guide driving blocks of the guide unit on the left side; a pair of guide driving blocks of the guide unit on the right side is sleeved on a pair of left and right adjusting guide rods on the corresponding side in a left and right mode.

Preferably, a plurality of right limiting jacks which are uniformly distributed at the left and the right and penetrate through the bed body in the front and the back are formed at the right part of the bed body; the right limiting jacks penetrate through the adjusting grooves; a right limit bolt is inserted in the front end face and the rear end face of the bed body through a right limit jack respectively; the front and back directions of the right limiting bolt horizontally penetrate through the guide driving block on the corresponding side of the right guide unit.

Preferably, a swing driving motor is fixed at the center of the left end face of the bed body; the drive plate is fixed at the left end of the output shaft of the swing drive motor.

Preferably, a swing guide rod in the radial direction is formed between a pair of side walls of the sliding guide hole perpendicular to the radial direction; the drive supporting block is sleeved on the swing guide rod.

Preferably, the left and right guide rods are sleeved with a plurality of pressure springs; the left end of the pressure spring at the leftmost side is fixed on the left irradiation support plate, and the right end of the pressure spring at the leftmost end is fixed on the right irradiation support plate; and two ends of the other compression springs are fixed on the adjacent right irradiation supporting plate.

The invention has the beneficial effects that: the local temperature can not be too high but can be uniformly acted on the human body through the reciprocating movement, and the adjustable arrangement of the distance between the far infrared radiation plate and the human body ensures that the far infrared ray absorbed by the human body can not be excessive.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the cross section A-A of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural diagram of a cross section B-B in FIG. 1 according to the present invention.

In the figure, 10, bed body; 100. an adjustment groove; 101. a right limit jack; 11. supporting legs; 12. a left and right adjustment guide bar; 20. a reciprocating irradiation device; 21. a swing drive motor; 22. a drive plate; 220. a sliding guide hole; 221. a swing guide bar; 23. driving the support block; 231. a drive link; 24. a guide unit; 241. a guide base; 2410. a vertical limiting groove; 24100. a limiting through hole; 2411. guiding the driving block; 242. an outer stop block; 243. an inner limiting block; 244. a lower connecting block; 245. an upper connecting block; 246. a vertical limit bolt; 25. left-irradiating the support plate; 251. a left guide bar and a right guide bar; 252. a pressure spring; 26. a right illumination support plate; 261. a driven connecting rod; 27. a far infrared radiation plate; 28. a right limit bolt; 29. the threaded rod is adjusted back and forth.

Detailed Description

As shown in fig. 1 to 3, a direction-variable far infrared physiotherapy couch comprises a couch body 10; a plurality of supporting legs 11 are formed on the lower end surface of the bed body 10; also included is a reciprocating irradiation device 20; the reciprocating irradiation device 20 includes a pair of guide units 24 symmetrically disposed left and right; a driving plate 22 is arranged on the left end face of the bed body 10 in a reciprocating swinging mode; a rectangular sliding guide hole 220 which penetrates through the driving plate 22 from left to right and is arranged in the radial direction is formed on the driving plate; a driving support block 23 is arranged in the sliding guide hole 220 in a sliding manner; a cylindrical driving connecting rod 231 is formed on the right end surface of the driving supporting block 23; the left guide unit 24 is arranged at the left end of the bed body 10, and the right guide unit 24 is arranged at the right part of the bed body 10 in a left-right sliding manner; the guide unit 24 includes a pair of guide bases 241 sliding back and forth on the bed 10; the middle parts of the pair of guide bases 241 are far away or close to each other; a vertical guide groove penetrating through the left and right is formed on the upper end surface of the guide base 241, and the left and right width of the vertical guide groove is the same as the diameter of the driving connecting rod 231; an L-shaped inner limiting block 243 and an L-shaped outer limiting block 242 are respectively arranged on the right end surfaces of the pair of guide bases 241 of the left guide unit 24 in a vertically sliding manner; the end surfaces of the vertical parts of the pair of inner limiting blocks 243, which are far away, are respectively flush with the side walls of the pair of vertical guide grooves, which are close to each other; the end surfaces of the vertical parts of the pair of outer limit blocks 242 close to are respectively flush with the side walls close to the pair of vertical guide grooves and far away from the side walls; the horizontal portion of the inner stopper 243 is lower than the horizontal portion of the outer stopper 242 and the vertical interval therebetween is the same as the diameter of the driving connecting rod 231; an upper connecting block 245 is arranged on the left end surface of the horizontal part of the pair of outer limiting blocks 242 in a sliding manner; the lower end surfaces of the upper connecting blocks 245 are flush with the lower end surfaces of the horizontal parts of the pair of outer limit blocks 242; a lower connecting block 244 is slidably arranged on the left end surface of the horizontal parts of the pair of inner limiting blocks 243; the upper end surface of the lower connecting block 244 is flush with the upper end surfaces of the horizontal portions of the pair of inner stoppers 243; a left-right penetrating irradiation guide groove with the same width as the diameter of the driving connecting rod 231 is formed between the pair of lower connecting blocks 244, the pair of inner stoppers 243, the pair of outer stoppers 242, the upper connecting block 245 and the lower connecting block 244; a left irradiation support plate 25 is fixed to the right end of the driving link 231; a pair of cylindrical left and right guide rods 251 symmetrically arranged in front and rear are formed at the upper end of the right end surface of the left irradiation support plate 25; a pair of left and right guide rods 251 are located outside the guide unit 24; a plurality of right irradiation support plates 26 having the same shape as the left irradiation support plate 25 are sleeved on the pair of left and right guide rods 251; the lower end faces of the left irradiation support plate 25 and the right irradiation support plate 26 are flush; a far infrared radiation plate 27 is fixed on the lower end face of the left irradiation support plate 25 and the right irradiation support plate 26; a driven connecting rod 261 having the same diameter as the driving connecting rod 231 is formed at the lower end of the right end surface of the rightmost right irradiation supporting plate 26; the rotation center axes of both the driven link 261 and the driving link 231 are collinear; the right end of the driven link 261 horizontally passes through the irradiation guide groove of the guide unit 24 on the right side.

As shown in fig. 1 and 2, vertically arranged rectangular vertical limit grooves 2410 are formed on the right end surfaces of the pair of guide bases 241 of the left guide unit 24 at the front and rear sides of the vertical guide grooves; vertical limit stoppers matched with the vertical limit grooves 2410 are formed on the left end surfaces of the vertical parts of the pair of inner limit stoppers 243 and the pair of outer limit stoppers 242; a plurality of rectangular limiting through holes 24100 which are uniformly distributed up and down are formed on the pair of guide bases 241; the limiting through hole 24100 penetrates through the vertical limiting groove 2410 to be flush with the front and rear end surfaces of the guide base 241, and a vertical limiting bolt 246 matched with the limiting through hole 24100 is inserted in the guiding through hole; the vertical limiting block is provided with a vertical inner inserting hole which penetrates through the vertical limiting block from front to back and is matched with the vertical limiting bolt 246.

As shown in fig. 2 and fig. 3, a pair of vertically penetrating rectangular adjusting grooves 100 are formed in the bed body 10 and are symmetrically arranged in the front-back direction; a front-back adjusting threaded rod 29 is pivoted between the left ends of the far side walls of the pair of adjusting grooves 100; the part of the front and rear adjusting threaded rod 29 located in the adjusting groove 100 is formed with an external threaded part with opposite rotation directions; a guide driving block 2411 is formed on the lower end surface of the guide base 241; a pair of guide driving blocks 2411 of the left guide unit 24 are slidably provided on the left side walls of the pair of adjustment grooves 100 in the front-rear direction and screwed to different male screw portions of the front-rear adjustment screw rod 29; a front and rear adjusting motor is fixed on the front side wall of the front adjusting groove 100; the front end of the front and back adjusting threaded rod 29 is fixed on the output shaft of the front and back adjusting motor; a pair of vertically distributed cylindrical left and right adjusting guide rods 12 are respectively formed on the right end surfaces of the pair of guide driving blocks 2411 of the left guide unit 24; the pair of guide driving blocks 2411 of the right guide unit 24 are fitted left and right over the pair of left and right adjustment guide rods 12 on the respective sides.

As shown in fig. 1 and 3, a right portion of the bed body 10 is formed with a plurality of right limiting insertion holes 101 which are uniformly distributed on the left and right and penetrate through the bed body front and back; the right limiting jacks 101 penetrate through the adjusting grooves 100; a right limit plug pin 28 is inserted into the front end face and the rear end face of the bed body 10 through a right limit jack 101; the right limit bolt 28 horizontally passes through the guide driving block 2411 on the corresponding side of the right guide unit 24 in the front-rear direction.

As shown in fig. 1, a swing driving motor 21 is fixed at the center of the left end face of the bed body 10; the drive plate 22 is fixed to the left end of the output shaft of the swing drive motor 21.

As shown in fig. 2, a swing guide 221 in a radial direction is formed between a pair of sidewalls of the slide guide hole 220 perpendicular to the radial direction; the driving support block 23 is sleeved on the swing guide rod 221.

As shown in fig. 1, a plurality of compression springs 252 are sleeved on the left and right guide rods 251; the left end of the pressure spring 252 at the leftmost side is fixed on the left irradiation support plate 25, and the right end is fixed on the right irradiation support plate 26 at the leftmost end; the other compression springs 252 are fixed at both ends to the adjacent right radiation support plate 26.

The work principle of the far infrared physiotherapy bed with variable guide direction is as follows:

before working, the right limit bolts 28 on both sides are pulled out, the guide unit 24 on the right side is pushed to move leftwards, so that a user can lie on a bed conveniently, then the user lies on the bed 10 with feet facing left head and right, then according to the height of the user, the guide unit 24 on the right side moves leftwards to a proper position and is inserted into the pair of right limit bolts 28 again, the head is positioned on the right side of the guide unit 24 on the right side, when the required radiation quantity is large, the four vertical limit bolts 246 are pulled out, the pair of inner limit blocks 243 and the pair of outer limit blocks 242 synchronously descend for a certain distance and then are inserted into and pulled out of the four vertical limit bolts 246, so that the horizontal part of the irradiation guide groove descends, then the two pairs of guide bases 241 approach in the front-back direction, the pair of vertical parts of the irradiation guide groove approaches, so that the distance between the far, the pair of inner limiting blocks 243 and the pair of outer limiting blocks 242 are synchronously lifted for a certain distance and then are inserted and pulled out of the four vertical limiting bolts 246 again, so that the horizontal part irradiating the guide groove ascends, then the two pairs of guide bases 241 are far away in the front-back direction, and the pair of vertical parts irradiating the guide groove keep away, so that the distance between the far infrared radiation plate 27 and the human body is reduced, on the basis, the driving connecting rod 231 and the driven connecting rod 261 are driven to reciprocate along the pair of irradiation guide grooves, the far infrared radiation plate 27 always faces towards the human body, continuous action and different parts of the human body are uniformly irradiated, and local temperature is not too high but is uniformly acted on the.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.