CN213251176U

CN213251176U - Channel dredging moxibustion massager

Info

Publication number: CN213251176U
Application number: CN202020738324.6U
Authority: CN
Inventors: 孙洁; 张军; 李滢; 孟笑男; 石佳
Original assignee: Beijing Xiaotangshan Hospital
Current assignee: Beijing Xiaotangshan Hospital
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-05-25
Anticipated expiration: 2030-05-08

Abstract

The utility model belongs to the technical field of medical auxiliary equipment, and provides a meridian dredging moxibustion massager, which comprises a vest and a framework arranged at the rear part of the vest; the framework comprises a base plate and a pressing plate, the pressing plate is embedded in a recess of the base plate, the pressing plate and the base plate are matched to form a long-chain groove surrounding the pressing plate, and a shaft hole and a pin shaft are respectively arranged in the long-chain grooves at two ends of the pressing plate; the moxibustion massage device is characterized by further comprising a transmission assembly and a moxibustion massage assembly, wherein the transmission assembly comprises a motor, a driving wheel, a driven wheel and a transmission chain, the motor comprises a transmission shaft, the motor is installed on the back face of the long chain groove, the transmission shaft of the motor penetrates through the shaft hole and extends into the long chain groove, the driving wheel is fixed on the transmission shaft in the long chain groove, the driven wheel is installed on a pin shaft in the long chain groove, the transmission chain is arranged in the long chain groove, and the driving wheel and the driven wheel are both meshed with the transmission chain; the moxibustion massage component is arranged on the side surface of the transmission chain facing the opening of the long chain groove.

Description

Channel dredging moxibustion massager

Technical Field

The utility model relates to a medical auxiliary equipment technical field, in particular to dredge through moxibustion massage ware belongs to the moxa-moxibustion and points on the acupuncture point and leads to the channels device, mainly is fixed in the back position, is applied to the back and leads to the channels the operation.

Background

Moxibustion is a method that uses the heat of the moxibustion fire to stimulate the body with heat and warmth, and then uses the actions of meridians and acupoints to prevent and treat diseases. The acupoint therapy refers to a method for preventing and treating diseases by stimulating meridians and collaterals by physical means.

At present, the moxibustion methods are various, and the common moxibustion methods comprise moxa stick moxibustion and moxibustion with a warm moxibustion device, so that moxa sticks (moxa wool) are clamped (or held) by a hand (or moxibustion equipment) and keep a certain distance from human body parts for moxibustion, or a moxa box is applied to be placed on the moxibustion parts required by the human body, and the heat stimulation of the body temperature of people is given. The back is relatively flat, and the area is great, and moxa-moxibustion box and moxibustion instrument are fit for using.

However, the moxibustion box and the point-hitting therapy can not be carried out simultaneously, and can only be carried out one by one in a single point manner, so that the operation takes long time and consumes time and labor; the hand-held moxibustion acupoint pressing device (or moxibustion equipment) has the disadvantages of high labor intensity, limited application range, difficulty in self-operation, labor consumption and inconvenience. Most of the existing meridian massage equipment is electric heating, and the waist and the back mainly vibrate and cannot play the roles of deep penetration and menstruation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a meridian dredging moxibustion massager, which comprises a vest and a framework arranged at the rear part of the vest; the framework comprises a base plate and a pressing plate, the pressing plate is embedded in a recess of the base plate, the pressing plate and the base plate are matched to form a long-chain groove surrounding the pressing plate, and a shaft hole and a pin shaft are respectively arranged in the long-chain grooves at two ends of the pressing plate; further comprising:

the transmission assembly comprises a motor, a driving wheel, a driven wheel and a transmission chain, the motor comprises a transmission shaft, the motor is installed on the back of the long chain groove, the transmission shaft of the motor penetrates through the shaft hole and extends into the long chain groove, the driving wheel is fixed on the transmission shaft in the long chain groove, the driven wheel is installed on a pin shaft in the long chain groove, the transmission chain is arranged in the long chain groove, and the driving wheel and the driven wheel are both meshed with the transmission chain; and

the moxibustion massage component is arranged on the side face, facing the opening of the long chain groove, of the transmission chain.

Optionally, the back portion inboard of undershirt is equipped with the skin layer, the skin layer adopts cotton cloth to make, the skin layer is along long-chain slot position reservation dodge the hole, the skin layer adopts to sew up or paste the mode and is connected with the undershirt rear portion.

Optionally, the vest is connected to the front and back portions on the left and right sides with straps or elastic bands.

Optionally, the moxibustion massage assembly comprises a massage mechanism and a moxibustion box, and the massage mechanism and the moxibustion box are alternately arranged on the side of the transmission chain facing the opening of the long chain groove at intervals.

Optionally, the moxibustion box bottom is equipped with the draw-in groove, the driving chain is equipped with the fixture block towards long chain groove open-ended side, fixture block and draw-in groove cooperation joint.

Optionally, massage mechanism includes massage ball, ball cover, base and recess, the base up end is equipped with spherical groove, the massage ball is installed in spherical groove, the ball cover is covering massage ball and base adoption threaded connection, the ball cover is equipped with the opening, the massage ball has the part to expose from the opening of ball cover, the recess sets up in the base bottom surface, the driving chain is equipped with the lug towards long chain groove open-ended side, the lug adopts the plug-in mode with the recess to be connected.

Optionally, the massage mechanism further comprises a plurality of pulleys, the pulleys are respectively arranged on two sides of the base, guide rails are arranged on inner walls of two sides of the long chain groove, and the pulleys are located in the guide rails and can roll along the guide rails.

Optionally, the two sets of the frameworks and the transmission assemblies are symmetrically arranged at the rear part of the vest, a middle elastic band is arranged between the two sets of the frameworks, and the frameworks and the middle elastic band are connected with each other at the edges.

Optionally, the front part of the vest is provided with a vertical seam, and a strong magic tape or a zipper is arranged at the vertical seam.

Optionally, a power supply is further installed on the framework, a control switch is arranged at the front part of the vest, and the power supply, the control switch and the motor are sequentially connected in series to form a power supply circuit.

Optionally, the moxibustion massage component comprises a massage ball, a ball sleeve, a base, a groove, a pulley, a box cover, an air vent and a moxa cone needle; the massage ball cover is characterized in that the base is provided with a cavity, a box cover in threaded connection is arranged at an opening at the upper end of the cavity, a bulge is arranged in the middle of the upper end face of the box cover, a spherical groove is arranged on the bulge, the massage ball is installed in the spherical groove, the ball cover covers the massage ball and is in threaded connection with the bulge, an opening is formed in the ball cover, part of the massage ball is exposed out of the opening of the ball cover, the groove is formed in the bottom face of the base, a convex block is arranged on the side face, facing the opening of the long chain groove, of the transmission chain; the pulleys are respectively arranged on two sides of the base, guide rails are arranged on the inner walls of two sides of the long chain groove, and the pulleys are located in the guide rails and can roll along the guide rails; the bottom surface of the inner cavity of the base is provided with a moxa cone needle, and the box cover is provided with an air vent around the protrusion.

Optionally, the massage mechanism and the moxibustion box are cylindrical or square, the front part of the vest is made of cotton cloth, and the framework is made of hard plastics or metal materials.

The utility model discloses a ware is rubbed in dredging meridian moxibustion is a convenient, laborsaving, controllable moxa-moxibustion point-hitting of scope can be through the instrument, through using the undershirt for back portion moxa-moxibustion becomes possible with the acupuncture point stimulation simultaneously, can reduce treatment cost time, and the patient can operate by oneself, and intensity of labour is less, can freely select seat, lateral position or prone position to treat, can treat with the better conduction of heat to the deep layer when going on.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of the inner surface of the back of the vest in the embodiment of the meridian-dredging moxibustion massage device of the present invention;

FIG. 2 is a schematic view of a combination of a frame, a transmission assembly, a massage mechanism and a moxibustion box of an embodiment of the meridian dredging moxibustion massage device;

FIG. 3 is a schematic cross-sectional view A-A of the embodiment of FIG. 2;

FIG. 4 is a schematic cross-sectional view B-B of the embodiment of FIG. 2;

FIG. 5 is a schematic view of the skeleton of the embodiment of the meridian-dredging moxibustion massage device;

FIG. 6 is a schematic view showing the connection between the transmission chain and the moxibustion box of the embodiment of the meridian dredging moxibustion massage device;

FIG. 7 is a bottom view of the embodiment of the meridian dredging moxibustion massage device;

FIG. 8 is a schematic view of an embodiment of the moxibustion massage assembly used in the meridian dredging moxibustion massage device.

In the figure: 1-vest, 2-moxibustion and massage component, 3-transmission component, 4-massage mechanism, 5-moxibustion box, 6-elastic band, 7-middle elastic band, 8-strong magic tape, 9-control switch, 10-skin layer, 11-skeleton, 20-base plate, 21-pressing plate, 22-long chain groove, 23-shaft hole, 24-pin shaft, 25-guide rail, 31-power supply, 32-motor, 33-driving wheel, 34-driven wheel, 35-transmission chain, 36-transmission shaft, 41-massage ball, 42-ball sleeve, 43-base, 44-groove, 45-pulley, 51-clamping groove, 52-box cover, 53-vent hole, and 54-moxa cone needle.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The alternative embodiment of the meridian dredging moxibustion massage device of the present invention as shown in fig. 1-6 comprises a vest 1 and a frame 11 disposed at the rear part of the vest 1; the framework 11 comprises a base plate 20 and a pressing plate 21, the pressing plate 21 is embedded in a recess of the base plate 20, the pressing plate 21 and the base plate 20 can be fixed by bolts, the pressing plate 21 and the base plate 20 are matched to form a long-chain groove 22 surrounding the pressing plate 21, and a shaft hole 23 and a pin shaft 24 are respectively arranged in the long-chain groove 22 at two ends of the pressing plate 21; further comprising:

the transmission assembly 3 comprises a motor 32, a driving wheel 33, a driven wheel 34 and a transmission chain 35, the motor 32 comprises a transmission shaft 36, the motor 32 can be installed on the back of the long chain groove 22 by bolts, the transmission shaft 36 of the motor 32 penetrates through the shaft hole 23 and extends into the long chain groove 22, the driving wheel 33 is fixed on the transmission shaft 36 in the long chain groove 22, the driven wheel 34 is installed on the pin shaft 24 in the long chain groove 22, the driven wheel 34 and the pin shaft 24 can be connected by a bearing, the transmission chain 35 is arranged in the long chain groove 22, and both the driving wheel 33 and the driven wheel 34 are meshed with the transmission chain 35; and

the moxibustion massage component 2 is arranged on the side surface of the transmission chain 35 facing the opening of the long chain groove 22.

The working principle of the technical scheme is as follows: during the use, wear on one's body the user to this dredging meridian moxibustion ware, the adjustment undershirt, make long chain groove and human main and collateral channels correspond, let the undershirt hug closely user's preceding chest and back, make the undershirt produce certain pressure to user's preceding chest and back, long chain groove is corresponding with human meridian, connect the power for the motor, make the motor start, it is rotatory to drive the action wheel, with action wheel meshed's drive chain and from the corresponding moving of driving wheel all can, the drive chain removes in long chain groove, the moxibustion is rubbed the subassembly and is removed massage and the moxa-moxibustion to the human body along meridian.

The beneficial effects of the above technical scheme are: through using the undershirt for back portion moxa-moxibustion and acupuncture point stimulation become possible simultaneously, can reduce treatment cost time, and the patient can operate by oneself, and intensity of labour is less, can freely select sitting position, lateral position or prone position to treat, can carry out the better conduction of heat to the deep layer when going on.

In one embodiment, as shown in fig. 2, the moxibustion and massage assembly 2 comprises a massage mechanism 4 and a moxibustion box 5, wherein the massage mechanism 4 and the moxibustion box 5 are alternately arranged on the side of the transmission chain 35 facing the opening of the long chain groove 22 at intervals.

The working principle and the beneficial effects of the technical scheme are as follows: the massage mechanism protrudes out of the opening of the long-chain groove, so that the massage mechanism protrudes out of the long-chain groove to prop against the meridian line of the back of the user under the pressure action of the vest on the user; in long chain inslot removes the in-process, massage mechanism removes to massage the human body along the meridian line, and the moxa-moxibustion box also removes to carry out the moxa-moxibustion to the human body along the meridian line, and the moxa-moxibustion box can be selected from the market and purchase the use.

In one embodiment, as shown in fig. 7, a skin-contacting layer 10 is provided on the inner side of the rear portion of the vest 1, the skin-contacting layer 10 is made of cotton cloth, an avoiding hole is reserved along the long-chain groove 22 of the skin-contacting layer 10, and the skin-contacting layer 10 is connected with the rear portion of the vest 1 by sewing or adhering; the vest 1 is connected with the front part and the rear part at the left side and the right side by elastic belts 6; the front part of the vest 1 is provided with a vertical seam, and a strong magic tape 8 is arranged at the vertical seam.

The working principle and the beneficial effects of the technical scheme are as follows: the inner side of the back part of the vest is additionally provided with the skin layer, so that the body feeling of a user can be improved; the left side and the right side adopt elastic belts to adjust the circumferential size of the vest, and can also adopt bridles or bridles and clamping buckles, so that the vest can adapt to different people to use, and the pressure of the moxibustion acupoint pressing box on a human body during working can be ensured; the vertical seam is provided with a strong magic tape which is convenient to put on and take off, and a zipper can also be adopted.

In one embodiment, as shown in fig. 6, a clamping groove 51 is formed at the bottom of the moxibustion box 5, and a clamping block is arranged on the side surface of the transmission chain 35 facing the opening of the long chain groove 22 and is matched and clamped with the clamping groove 51; the moxa-moxibustion box 5 is characterized in that a box cover 52 is provided with an air vent 53, the box cover 52 can be connected with the box body in a threaded mode, the air vent 53 is used for ventilating fresh air for ensuring moxa-cone combustion, a moxa-cone needle 54 is arranged on the bottom surface of the interior of the moxa-moxibustion box 5, and the moxa-cone needle 54 is used for inserting and fixing moxa-cone.

The working principle and the beneficial effects of the technical scheme are as follows: the moxibustion box is clamped with the transmission chain, is convenient and quick, can be disassembled and assembled without tools, and is convenient to maintain and replace. The height of the moxibustion box is generally set to be smaller than that of the massage mechanism after installation, so that the proper distance between the moxibustion box and a human body is kept.

In one embodiment, as shown in fig. 3, the massage mechanism 4 comprises a massage ball 41, a ball sleeve 42, a base 43, a groove 44 and a plurality of pulleys 45, wherein the upper end surface of the base 43 is provided with a spherical groove, the massage ball 41 is installed in the spherical groove, the ball sleeve 42 covers the massage ball 41 and is in threaded connection with the base 43, the ball sleeve 42 is provided with an opening, a part of the massage ball 41 is exposed out of the opening of the ball sleeve 42, the groove 44 is arranged on the bottom surface of the base 43, the side surface of the transmission chain 35 facing the opening of the long chain groove 22 is provided with a lug, and the lug is in inserted connection with the groove 44; the pulleys 45 are respectively arranged on two sides of the base 43, guide rails 25 are arranged on the inner walls of two sides of the long chain groove 22, and the pulleys 45 are located in the guide rails 25 and can roll along the guide rails 25. In this embodiment, the height of the driving wheel 33 and the driven wheel 34 in the long chain groove does not exceed the height of the guide rail 25, so as to avoid the pulley 45 of the massage mechanism 4, and prevent the massage mechanism 4 from falling off or the transmission chain 35 from being locked due to the obstruction to the movement of the pulley 45, and the massage mechanism 4 can be made of metal material.

The working principle of the technical scheme is as follows: when in use, the massage ball can freely roll in the spherical groove and the ball sleeve in all directions along with the movement of the transmission chain along the long-chain groove; the adoption of the guide rail can limit the protruding height of the massage ball and is not influenced by the flexibility of the transmission chain, so that the pressure of the massage ball on a human body is more uniform; in addition, according to the characteristics of the human body channels and collaterals, the massage force or the position which does not need massage can be reduced on the channel and collateral line, the depth size of the guide rail/the long chain groove can be increased, namely, the distance between the guide rail section at the local position and the opening of the long chain groove is gradually increased, namely, the whole guide rail is not positioned on the same plane, so that the height of the massage mechanism protruding out of the opening of the long chain groove is reduced or does not protrude, and the massage mechanism has small pressing force on the human body or is separated from (namely does not contact) the human body.

The beneficial effects of the above technical scheme are: the massage balls capable of rolling in all directions are adopted for rolling massage, so that the massage directionality is varied, and the massage effect and experience of a user are improved; the additional arrangement of the guide rail can avoid the reduction of the transmission of the acting force by a flexible transmission chain, and the pressure of the massage ball on the human body is ensured by the rigidity of the base plate (the guide rail).

In one embodiment, as shown in fig. 8, the moxibustion and massage assembly 2 comprises a massage ball 41, a ball sleeve 42, a base 43, a groove 44, a pulley 45, a box cover 52, an air vent 53 and a moxa cone needle 54; the base 43 is provided with a cavity, a box cover 52 in threaded connection is arranged at an opening at the upper end of the cavity, a bulge is arranged in the middle of the upper end face of the box cover 52, a spherical groove is arranged on the bulge, the massage ball 41 is installed in the spherical groove, the ball sleeve 42 covers the massage ball 41 and is in threaded connection with the bulge, an opening is formed in the ball sleeve 42, part of the massage ball 41 is exposed out of the opening of the ball sleeve 42, the groove 44 is arranged at the bottom face of the base 43, a convex block is arranged on the side face, facing the opening of the long chain groove 22, of the transmission chain 35, and the convex block is connected with the; the pulleys 45 are respectively arranged on two sides of the base 43, guide rails 25 are arranged on the inner walls of two sides of the long chain groove 22, and the pulleys 45 are positioned in the guide rails 25 and can roll along the guide rails 25; the base 43 has a moxa cone needle 54 on the bottom surface inside the cavity, the moxa cone needle 54 is used for inserting and fixing moxa cones, the cover 52 has a vent hole 53 around the protrusion, and the vent hole 53 is used for ventilating fresh air for burning moxa cones.

The working principle and the beneficial effects of the technical scheme are as follows: the moxibustion massage component is an integrated structure with massage and moxibustion functions, the structure is compact, and a plurality of bulges with spherical grooves arranged on the upper end surfaces of the massage ball, the ball sleeve and the box cover can be arranged in a circumferential array; the side wall of the cavity of the base can be additionally provided with an air vent to ensure fresh air for burning the moxa cones; the subassembly is rubbed in integral type moxibustion of this embodiment can realize massage and moxa-moxibustion function simultaneously.

In one embodiment, as shown in fig. 1 and 7, there are two sets of the frame 11 and the transmission assembly 3, the frame 11 is symmetrically arranged at the rear part of the vest 1, the middle elastic band 7 is arranged between the two sets of the frame 11, and the edges of the frame 11 and the middle elastic band 7 are connected with each other.

The working principle and the beneficial effects of the technical scheme are as follows: the two sets of frameworks and the transmission assemblies are symmetrically arranged and are consistent with the symmetry of meridians and collaterals on the back of a human body, and the distance between the two sets of frameworks and the transmission assemblies can adapt to the requirements of different people through the middle elastic band.

In one embodiment, as shown in fig. 7, a power supply 31 is further installed on the frame 11, a control switch 9 is provided at the front part of the vest 1, and the power supply 31, the control switch 9 and the motor 32 are sequentially connected in series to form a power supply circuit. The massage mechanism 4 and the moxibustion box 5 can be made into a cylindrical shape or a square shape, the front part of the vest 1 is made of cotton cloth, and the framework 11 is made of hard plastics or metal materials.

The working principle and the beneficial effects of the technical scheme are as follows: the meridian dredging moxibustion massager is provided with a power supply and a control switch, the power supply, the control switch and a motor are sequentially connected in series by adopting wires to form a motor power supply control circuit, and the wires with insulation are embedded in the back core; the meridian dredging moxibustion massager can be carried and used when going out without being additionally connected with a power supply, and is more convenient; the front part of the vest is made of cotton cloth, so that the vest is more comfortable, and the control switch is arranged at the front part of the vest, so that the vest is convenient for a user to operate without the cooperation of other people.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A channel dredging moxibustion massager is characterized by comprising a vest and a framework arranged at the rear part of the vest; the framework comprises a base plate and a pressing plate, the pressing plate is embedded in a recess of the base plate, the pressing plate and the base plate are matched to form a long-chain groove surrounding the pressing plate, and a shaft hole and a pin shaft are respectively arranged in the long-chain grooves at two ends of the pressing plate; further comprising:

2. The meridian dredging moxibustion massager of claim 1, wherein the inner side of the back part of the vest is provided with a skin adhering layer, the skin adhering layer is made of cotton cloth, avoidance holes are reserved in the skin adhering layer along the long-chain grooves, and the skin adhering layer is connected with the back part of the vest in a sewing or adhering mode.

3. The meridian dredging moxibustion massage device as claimed in claim 1, wherein the moxibustion massage assembly comprises a massage mechanism and a moxibustion box, the massage mechanism and the moxibustion box are alternately arranged on the side of the transmission chain facing the opening of the long chain groove at intervals.

4. The meridian dredging moxibustion massager of claim 3, wherein the moxibustion box is provided with a clamping groove at the bottom, the side surface of the transmission chain facing the opening of the long chain groove is provided with a clamping block, and the clamping block is clamped with the clamping groove in a matching manner.

5. A meridian-dredging moxibustion massage device according to claim 3, wherein the massage mechanism comprises a massage ball, a ball sleeve, a base and a groove, the upper end face of the base is provided with a spherical groove, the massage ball is mounted in the spherical groove, the ball sleeve covers the massage ball and is in threaded connection with the base, the ball sleeve is provided with an opening, a part of the massage ball is exposed out of the opening of the ball sleeve, the groove is arranged on the bottom face of the base, the side face of the transmission chain facing the opening of the long chain groove is provided with a convex block, and the convex block is connected with the groove in an inserting manner.

6. The meridian dredging moxibustion massager of claim 5, wherein the massage mechanism further comprises a plurality of pulleys, the pulleys are respectively arranged on two sides of the base, guide rails are arranged on the inner walls of two sides of the long chain groove, and the pulleys are positioned in the guide rails and can roll along the guide rails.

7. A meridian dredging moxibustion massager as claimed in claim 1, wherein there are two sets of the skeletons and the transmission components, the skeletons are symmetrically arranged at the rear part of the vest, a middle elastic band is arranged between the two sets of the skeletons, and the skeletons and the middle elastic band are connected with each other at the edges.

8. The meridian dredging moxibustion massager of claim 1, wherein the front part of the vest is provided with a vertical slit, and a strong magic tape or a zipper is arranged at the vertical slit.

9. The meridian dredging moxibustion massager of claim 1, wherein the skeleton is further provided with a power supply, the front part of the vest is provided with a control switch, and the power supply, the control switch and the motor are sequentially connected in series to form a power supply circuit.

10. The massage apparatus of claim 1, wherein the massage assembly comprises a massage ball, a ball sleeve, a base, a groove, a pulley, a box cover, an air hole and a moxa cone needle; the massage ball cover is characterized in that the base is provided with a cavity, a box cover in threaded connection is arranged at an opening at the upper end of the cavity, a bulge is arranged in the middle of the upper end face of the box cover, a spherical groove is arranged on the bulge, the massage ball is installed in the spherical groove, the ball cover covers the massage ball and is in threaded connection with the bulge, an opening is formed in the ball cover, part of the massage ball is exposed out of the opening of the ball cover, the groove is formed in the bottom face of the base, a convex block is arranged on the side face, facing the opening of the long chain groove, of the transmission chain; the pulleys are respectively arranged on two sides of the base, guide rails are arranged on the inner walls of two sides of the long chain groove, and the pulleys are located in the guide rails and can roll along the guide rails; the bottom surface of the inner cavity of the base is provided with a moxa cone needle, and the box cover is provided with an air vent around the protrusion.