Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is a comb-type massage machine capable of more fully massaging the head of a user.
The technical scheme adopted by the invention for solving the technical problems is as follows: a kind of massage machine of combing, including the device of combing, the said device of combing includes the mounting bracket, belt mounted on said mounting bracket and combing the assembly of combing mounted on said belt, the said combing assembly includes the base fixedly connected to said belt, connect in said base in a sliding manner, first rack and runner, there are a plurality of intervals comb teeth on the said comb, the said comb is symmetrical to have two, two said comb are when slipping to put in place on the base relatively on the base, two said comb are in the state of tightening, when two said comb are on the base and slip to put in place dorsad, two said comb are in the state of spreading, said first rack slips and fits on the base, said first rack is used for driving the first rack to slip on the base, two comb move or move dorsad on the base relatively on the base, the said device of combing also includes two regulating assemblies symmetrically set up on said mounting bracket, the adjusting component is used for driving the first rack in the comb component to slide on the base when the comb component passes through the adjusting component, so that the two hair combs are in the state of being contracted or the state of being unfolded.
Furthermore, a groove is formed in the end face, close to the base, of the comb, the extending direction of the groove is approximately perpendicular to the sliding direction of the comb on the base, an eccentric block is arranged on the rotating wheel and deviated from the center of the rotating wheel, a gear ring is further mounted on the rotating wheel, the rotating wheel is provided with two rotating wheels, the rotating wheels are in running fit with the base, the eccentric blocks on the two rotating wheels are slidably mounted in the grooves of the two combs in a one-to-one correspondence mode, the gear rings on the two rotating wheels are meshed with the first rack, and the two rotating wheels are oppositely arranged for 180 degrees.
Furthermore, the rotating wheel is provided with one gear ring, the rotating wheel is rotatably matched on the base and is positioned between the two hair combs, the gear ring is meshed with the first rack, the rotating wheel is provided with two hinge rods corresponding to the two hair combs, the first ends of the two hinge rods are respectively hinged on the two hair combs, and the second ends of the two hinge rods are respectively hinged on the rotating wheel at two positions deviated from the center of the rotating wheel.
Furthermore, when the two hair combs are in the contracting state or the unfolding state, a connecting line of the eccentric block and the center of the rotating wheel is parallel to the sliding direction of the hair combs on the base.
Further, the eccentric block is a wheel-shaped structure which is in rotating fit with the rotating wheel.
Furthermore, the comb-head type massage machine further comprises a support and a back knocking device, wherein the back knocking device comprises a mounting seat, a rocker arm, a second driver, a turntable, a connecting rod and a hammer head, the mounting seat, the rocker arm, the second driver, the turntable and the connecting rod are mounted on the support, and the rocker arm, the turntable and the connecting rod form a crank-rocker mechanism.
Furthermore, the first end of the rocker arm is hinged to the mounting seat, the second driver is a driving device for outputting circular motion power, the second driver is mounted on the mounting seat, the turntable is mounted on the output end of the second driver, the first end of the connecting rod is hinged to the position, deviating from the center of the turntable, on the turntable, and the second end of the connecting rod is hinged to the second end of the rocker arm.
Furthermore, a plurality of belt wheels are rotatably connected to the mounting frame, and the belt is mounted on the plurality of belt wheels.
Further, still install first driver on the mounting bracket, first driver is the drive arrangement who provides circular motion power, the output of first driver with one of them band pulley transmission is connected.
Furthermore, the mounting rack is also provided with a guide rib for restraining the lower part of the belt to be matched with the shape of the head of a human body.
The invention has the beneficial effects that: the invention discloses a comb type massage machine, which comprises a comb device, wherein a comb assembly comprises a base fixedly connected to a belt, two combs slidably connected to the base and a first rack, the combs are provided with a plurality of comb teeth which are arranged at intervals, the two combs are symmetrically arranged, when the two combs are oppositely moved to the proper position on the base, the two combs are in a binding state, when the two combs are oppositely slid to the proper position on the base, the two combs are in an unfolding state, the first rack is slidably matched on the base, the first rack is used for driving the two combs to oppositely move or reversely move on the base when the first rack is slid on the base, the comb device also comprises two adjusting assemblies symmetrically arranged on a mounting frame, the adjusting assemblies are used for driving the first rack in the comb assembly to slide on the base when the comb assembly passes through the adjusting assemblies so as to drive the two combs to be in the binding state or the unfolding state, therefore, when the comb assembly moves along with the belt in a circulating way and passes through the adjusting assembly, the comb can be alternately switched between the tightening state and the unfolding state, so that the comb can massage different positions of the head of a user alternately.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
As shown in fig. 1, the present invention provides a comb massage machine, which comprises a frame 100 and a comb device 200 mounted on the frame 100, and as shown in fig. 2, the comb device 200 comprises a mounting frame 210, a belt 220 mounted on the mounting frame 210, and a comb assembly 230 mounted on the belt 220, when the comb massage machine of the present invention is in operation, the comb assembly 230 is driven by the belt 220 to move, so that the comb assembly 230 moves along with the belt 220 along the head of a user, so as to comb the head of the user.
As shown in fig. 1, a comb-type massage machine of the present invention further includes a back-striking device 300.
As shown in fig. 1, in order to adapt the comb-type massage machine of the present invention to people of different heights, the frame 100 further includes a base 110, a pillar 120, a first adjustment lever 130, and a second adjustment lever 140.
The base 110 has a disc-shaped structure for bearing and stabilizing.
The support column 120 is fixedly installed on the base 110, and in the present embodiment, the support column 120 is vertically fixed on the base 110; in one specific embodiment, two of the struts 120 are arranged in parallel.
The first adjusting rod 130 is telescopically connected to the supporting column 120, more specifically, a hole suitable for the first adjusting rod 130 to be inserted in a sliding manner is formed in the supporting column 120 corresponding to the first adjusting rod 130, the first adjusting rod 130 is slidably inserted into the hole of the supporting column 120, and the back knocking device 300 is mounted on the first adjusting rod 130, so that the height of the back knocking device 300 can be flexibly adjusted by adjusting the first adjusting rod 130 to slide on the supporting column 120, and the position of the back knocking device 300 can be adapted to users with different heights, in a specific embodiment, two first adjusting rods 130 are arranged corresponding to the supporting column 120.
The second adjusting rod 140 is telescopically connected to the other end of the first adjusting rod 130 far away from the strut 120, more precisely, a hole suitable for the second adjusting rod 140 to be inserted in a sliding manner is formed in one end of the first adjusting rod 130 corresponding to the second adjusting rod 140, the second adjusting rod 140 is slidably inserted in the hole formed in the first adjusting rod 130, the combing device 200 is installed on the second adjusting rod 140, more precisely, the mounting frame 210 is fixedly connected with the second adjusting rod 140, thereby the second adjusting rod 140 slides on the first adjusting rod 130 through adjustment, the height of the combing device 200 can be flexibly adjusted, and the combing device 200 can flexibly adapt to users with different heights.
In order to operate the belt 220 on the mounting bracket 210, as shown in fig. 3, a plurality of pulleys 211 are rotatably connected to the mounting bracket 210, and the belt 220 is mounted on the plurality of pulleys 211 so that the belt 220 can be driven to operate on the mounting bracket 210 when the pulleys 211 are rotated; the mounting bracket 210 is further fixedly provided with a first driver 212, the first driver 212 is a driving device for providing circular motion power, and an output end of the first driver 212 is in transmission connection with one of the pulleys 211, so that the first driver 212 can drive the pulley 211 and the belt 220 to operate on the mounting bracket 210. In order to make the belt 220 drive the comb assembly 230 to move along the head shape of the user, the mounting frame 210 is further provided with a guide rib 213 for restricting the lower portion of the belt 220 to a position corresponding to the shape of the head of the user, more precisely, the guide rib 213 is in an arc structure, and the guide rib 213 is fixedly arranged on the mounting frame 210 near the side of the belt 220, and the guide rib 213 abuts against the lower portion of the belt 220, so that the belt 220 is restricted to a circular arc structure corresponding to the shape of the head, by the above scheme, when the belt 220 drives the comb assembly 230 to move to the lower portion of the belt 220, so that the comb assembly 230 can move from one end to the other end along the head of the user, for example: move from the forehead position to the back brain position to comb the hair and massage.
In the present embodiment, the first driver 212 is a motor, and it is understood that the first driver 212 may be other driving devices capable of providing circular motion power.
In a specific embodiment, the mounting bracket 210 is further provided with a tension pulley 214 correspondingly matched with the belt 220, the tension pulley 214 is used for elastically abutting against the belt 220, so that the belt 220 is always kept in a tense state during operation, on one hand, the belt 220 is prevented from being loosely matched with the belt wheel 211 to cause the belt 220 to slip or operate inaccurately, on the other hand, the belt 220 is kept with a certain extension allowance, when the comb head assembly 230 on the belt 220 is too close to the head of a user, the comb head assembly 230 can drive the belt 220 to contract inwards, and the phenomenon that the comb head assembly 230 excessively extrudes the scalp to cause discomfort to the user.
In the present embodiment, the belt 220 is a timing belt, and the corresponding pulley 211 is a timing pulley.
The comb assembly 230 is located at an outer position of the belt 220, and as shown in fig. 4 and 5, the comb assembly 230 includes a base 231, a comb 232, a first rack 233, and a runner 234.
The base 231 is fixedly connected to the belt 220, and in the present embodiment, the base 231 is fixedly connected to the belt 220 by adhesion, but it is understood that the base 231 may also be fixedly connected to the belt 220 by a fixing connection means such as a fastener or a fastener.
The comb 232 is of a flat structure, a plurality of comb teeth 2321 arranged at intervals are fixedly arranged on the comb 232, specifically, the plurality of comb teeth 2321 are distributed on the comb 232 along the length direction of the comb 232, the comb 232 is located on one end face, far away from the belt 220, of the base 231, the comb 232 is connected to the base 231 in a sliding manner along the approximate distribution direction of the comb teeth 2321 on the comb 232, two comb teeth 232 are symmetrically arranged, the two comb teeth 232 can slide on the base 231 and can be switched to a hair collecting state or a hair unfolding state, and when the two comb teeth 232 slide in place on the base 231 in an opposite direction, the two comb teeth 232 are in the hair collecting state; the two combs 232 assume the extended position when the two combs 232 are slid back into position on the base 231. Through the above scheme, when the two hair combs 232 are respectively in the contraction state and the expansion state, the comb teeth 2321 are changed in position in the arrangement direction of the comb teeth 2321, and then when the two hair combs 232 act on the head of the user along with the belt 220, the comb teeth 2321 can massage the head of the user more comprehensively.
In order to slidably connect the comb 232 to the base 231, as shown in fig. 4 and 5, in a specific embodiment, a sliding rod 2311 extending along the length direction of the base 231 is fixedly disposed on the base 231 corresponding to the comb 232, a sliding hole (not labeled in the figure) suitable for the sliding rod 2311 to be inserted in a sliding manner is formed on the comb 2321 corresponding to the sliding rod 2311, and the sliding hole on the comb 2321 is in sliding engagement with the sliding rod 2311, so that the comb 232 can linearly reciprocate on the base 231 along the sliding rod 2311.
In order to facilitate the hair combs 232 to switch between the closed state and the open state, the first rack 233 is slidably engaged with the base 231, and the first rack 233 is used for driving the two hair combs 232 to move towards or away from the base 231 when the first rack 233 slides on the base 231, and more precisely, the sliding direction of the first rack 233 on the base 231 is parallel to the sliding direction of the comb teeth 2321 on the base 231.
In order to make the first rack 233 slide on the base 231 back and forth, the two combs 232 can be driven to switch back and forth between the closed state and the unfolded state.
In a specific embodiment, referring to fig. 6, a groove 2322 is formed on an end surface of each comb 232 close to the base 231, an extending direction of the groove 2322 is substantially perpendicular to a sliding direction of the comb 232 on the base 231, as shown in fig. 7, an eccentric block 2341 is arranged on the rotating wheel 234 at a position deviating from a center of the rotating wheel 234, and a gear ring 2342 coaxially arranged with the rotating wheel 234 is further fixedly installed on the rotating wheel 234, in this embodiment, the eccentric block 2341 is a wheel-shaped structure rotatably fitted on the rotating wheel 234; the two rotating wheels 234 are rotatably matched with the base 231, the eccentric blocks 2341 of the two rotating wheels 234 are slidably mounted in the grooves 2322 on the two hair combs 232 in a one-to-one correspondence manner, the gear rings 2342 of the two rotating wheels 234 are meshed with the first gear rack 233, and the other two rotating wheels 234 are oppositely arranged on the base 231 at an angle of 180 degrees. With the above-mentioned embodiment, when the first rack 233 slides on the base 231, the two rotating wheels 234 are driven to rotate synchronously in the same direction by meshing engagement, since the two rotating wheels 234 are disposed at opposite directions of 180 ° with respect to each other on the base 231, when the two rotating wheels 234 rotate synchronously in the same direction, the eccentric blocks 2341 on the two rotating wheels 234 tend to approach or separate from each other, when the eccentric blocks 2341 on the two rotating wheels 234 tend to approach or separate from each other, the eccentric blocks 2341 slide along the grooves 2322 on the hair comb 232, and at the same time, the two hair combs 232 are forced to move in opposite directions or in opposite directions on the base 231, and in this embodiment, when the two hair combs 232 are in the closed state or the open state, the connecting line between the eccentric blocks 2341 and the centers of the rotating wheels 234 is parallel to the sliding direction of the hair comb 232 on the base 231, so that when the two hair combs 232 are in the closed state or the open state, even if an external force is applied to the hair comb 232, since the force transmitted to the eccentric mass 2341 of the rotating wheel 234 is always directed to the center of the rotating wheel 234, the rotating wheel 234 cannot be driven to generate a rotating effect, and the position of the comb 232 can be prevented from being shifted due to the contact between the comb 232 and the head.
In an embodiment not shown in the drawings, for the rotating wheel 234, the rotating wheel 234 has one, a gear ring 2342 is fixedly installed on the rotating wheel 234 and is coaxially arranged with the rotating wheel 234, the rotating wheel 234 is rotatably fitted on the base 231, the rotating wheel 234 is located between the two hair combs 232, the gear ring 2342 is engaged with the first rack 233, two hinge rods are arranged on the rotating wheel 234 corresponding to the two hair combs 232, first ends of the two hinge rods are respectively hinged on the two hair combs 232, and second ends of the two hinge rods are respectively hinged on two positions of the rotating wheel 234 deviated from the center of the rotating wheel 234, so that the rotating wheel 234 and the two hair combs 232 form a crank-slider mechanism through the hinge rods. Therefore, when the first rack 233 slides on the base 231, the rotating wheel 234 is driven to rotate through meshing, and the two combs 232 can be driven to approach each other to be in the tightening state or to be away from each other to be in the unfolding state through the rotation of the rotating wheel 234.
In one embodiment, the combing device 200 further comprises two adjusting components 240 mounted on the mounting frame 210, the two adjusting components 240 are symmetrically disposed on the mounting frame 210 and located at two sides of the belt 220, respectively, and the adjusting components 240 are used for driving the first rack 233 of the combing component 230 to slide on the base 231 when the combing component 230 passes through the adjusting components 240, so as to enable the two hair combs 232 to be in the collecting state or the spreading state.
In a specific embodiment, as shown in fig. 4, 5 or 6, two symmetrically arranged guide blocks 2331 are fixedly installed at two ends of the first rack 233, each guide block 2331 has a guide inclined surface 23311 corresponding to the adjusting component 240, and the guide inclined surfaces 23311 are used for pushing the first rack 233 to slide on the base 231 when being abutted, more precisely, the guide inclined surfaces 23311 are inclined from inside to outside along the length direction of the first rack 233 and gradually separated from the rotating wheel 234, so that when the guide inclined surfaces 23311 are acted by an abutting force, the component of the abutting force will be along the length direction of the first rack 233, thereby pushing the first rack 233 to slide on the base 231; the comb assembly 230 further comprises a push rod 235 fixedly connected to the first rack 233, the push rod 235 is parallel to the first rack 233, and the push rod 235 is located at a side of the first rack 233 close to the runner 234.
Referring to fig. 9, adjustment assembly 240 includes a blocking mechanism 241 and a trigger mechanism 242.
Referring to fig. 10, the stopping mechanism 241 includes a first sliding base 2411 fixedly connected to the mounting frame 210, a stopping block 2412 slidably engaged with the first sliding base 2411 and correspondingly engaged with the guide block 2331, a second rack 2413 mounted on the stopping block 2412, and a gear set 2414 cooperatively connected with the second rack 2413; specifically, a sliding groove for matching with the blocking block 2412 to perform linear reciprocating motion is formed in the first sliding base 2411, the blocking block 2412 is slidably installed in the sliding groove of the first sliding base 2411, a limiting part 24112 is further installed at a position, close to the belt 220, on the first sliding base 2411, and the limiting part 24112 is used for blocking the blocking block 2412 from continuously sliding when the blocking block 2412 slides to be abutted against the guide inclined surface 23311 on the guide block 2332.
As shown in fig. 11, the triggering mechanism 242 comprises a second slide 2421 fixedly connected to the mounting frame 210, a slide 2422 slidably engaged with the second slide 2421 and a triggering block 2423 connected to the second slide 2421, the sliding direction of the slide 2422 on the second slide 2421 is parallel to the moving direction of the comb assembly 230 passing through the adjusting assembly 240, the triggering block 2423 is used for pushing the slide 2422 to slide on the second slide 2421 when being supported by the push rod 235, and the slide 2422 is cooperatively connected with a gear set 2414 in the blocking mechanism 241, so that the slide 2422, when moving in the same direction as the comb assembly 230, drives the blocking block 2412 to move to a position where it can be supported by the guide inclined plane 23311 on the guide block 2332, and when the slide 2422 moves in the opposite direction to the comb assembly 230, drives the blocking block 2412 to move in the opposite direction and away from the guide block 2332.
Furthermore, the trigger block 2423 is slidably connected to the slide 2422 along a sliding direction parallel to the slide 2422 on the second slide 2421, and the triggering mechanism 242 further comprises a first elastic element 2424, the first elastic element 2424 elastically abuts between the trigger block 2423 and the slide 2422, so that when the push rod 235 pushes the slide 2422 to move, the blocking block 2412 is driven to move until the blocking block 2412 is blocked by the limiting element 24112, the push rod 235 can continuously push the trigger block 2423 to slide on the slide 2422, so that the blocking block 2412 keeps abutting against the guiding inclined plane 23311 on the guiding block 2332; the triggering mechanism 242 further includes a second elastic element 2425 elastically abutted between the slide 2422 and the second slide 2421, and the second elastic element 2425 is configured to enable the slide 2422 to return under the elastic restoring force of the second elastic element 2425 after the triggering block 2423 is disengaged from the pushing rod 235.
Referring to fig. 12 and 13, with the above embodiment, when the comb assembly 230 moves with the belt 220 to approach the adjusting assemblies 240 and the first rack 233 is located at a position close to one of the adjusting assemblies 240, as the belt 220 drives the comb assembly 230 to continue to advance toward the adjusting assembly 240, the push rod 235 firstly abuts against the trigger block 2423, the trigger block 2423 and the slide 2422 are driven to advance with the comb assembly 230, the blocking block 2412 is driven to slide on the first slide 2411 while the slide 2422 slides on the second slide 2421 until the blocking block 2412 slides to a position where it can abut against the guide inclined plane 23311 on the guide block 2332, and the blocking block 2412 is blocked by the stopper 24112, at which time, the trigger block 2423 continues to advance while the push rod 235 keeps abutting against the slide on the slide 2422, the blocking block 2412 abuts against the guide inclined plane 23311 on the guide block 2332, and the first rack 233 is forced to slide on the base 231 to the other head base 231, until the first rack 233 drives the two combs 232 in the comb assembly 230 to move and switch to the closed state or the unfolded state, the push rod 235 moves along with the first rack 233 and finally disengages from the triggering block 2423 in the adjusting assembly 240, so that the slide part 2422 returns under the elastic restoring force of the second elastic part 2425, the blocking block 2412 moves and disengages from the guiding block 2331, and when the comb assembly 230 passes through the adjusting assembly 240, the two combs 232 on the comb assembly 230 are switched between the closed state or the unfolded state under the action of the adjusting assembly 240.
With respect to the adjusting assembly 240, in an embodiment not shown in the drawings, the adjusting assembly 240 comprises a motor fixedly mounted on the mounting frame 210 and a pushing block fixedly mounted on an output end of the motor, the motor is used for driving the pushing block to move and push the first rack 233 in the combing assembly 230 to slide on the base 231 when the combing assembly 230 passes through the adjusting assembly 240, the adjusting assembly 240 has two, the two adjusting assemblies 240 are symmetrically arranged on the mounting frame 210 and are respectively positioned on two sides of the belt 220, so that the combing comb 232 can be alternately switched between the bundling state and the unfolding state through the alternate operation of the two adjusting assemblies 240.
The operation of the comb massager of the present invention will be described below as an example:
for example: firstly, the user approaches the head to the lower part of the comb device 200, when the comb-type massage machine is turned on, the first driver 212 drives the belt 220 to operate, the operating direction of the belt 220 is clockwise with reference to fig. 3, the belt 220 drives the comb assembly 230 to advance along the path of the belt 220, so that when the comb 230 moves to the lower right of the belt 220, the comb 230 moves to the back of the brain of the user through the forehead position of the user, the comb teeth 2321 on the comb 232 contact the scalp of the head to perform stimulation massage on the acupuncture points of the head, and when the comb assembly 230 circularly moves through the adjusting assembly 240 along with the belt 220, the comb 232 is alternately switched between the contraction state and the expansion state, so that the comb 232 alternately massages different positions of the head of the user, compared with the prior art, the comb-type massage machine of the present invention not only can more comprehensively massage the head of the user, but also the comb 232 can switch the position of the comb teeth 2321 once per massage, the head of the user can not be continuously acted on the same position, and the experience of the user is improved.
Referring to fig. 14, the back-beating device 300 includes a mounting seat 310 fixedly mounted on the first adjusting lever 130, a rocker arm 320, a second driver 330, a rotary disc 340, a connecting rod 350 and a hammer head 360, a first end of the rocker arm 320 is hinged on the mounting seat 310, the second driver 330 is a driving device for outputting circular motion power, the second driver 330 is fixedly mounted on the mounting seat 310, the rotary disc 340 is fixedly mounted on an output end of the second driver 330, one end of the connecting rod 350 is hinged on the rotary disc 340 at a position deviated from the center of the rotary disc 340, the other end of the connecting rod 350 is hinged on a second end of the rocker arm 320, and the rocker arm 320, the rotary disc 340 and the connecting rod 350 form a crank-rocker mechanism, the hammer head 360 is fixedly mounted on the rocker arm 320, and the hammer head 360 is used for intermittently hammering the back of a user to achieve a massage effect. Thereby, as the dial 340 is continuously rotated, the rocker arm 320 is driven to swing, hammering the user's back as the rocker arm 320 swings the hammer head 360 close to the user's back.
Therefore, the comb-type massage machine of the invention has at least the following beneficial effects:
the comb type massage machine of the present invention comprises a comb device 200, wherein the comb assembly 230 comprises a base 231 fixedly connected to a belt 220, a comb 232 slidably connected to the base 231, and a first rack 233, the comb 232 is provided with a plurality of comb teeth 2321 arranged at intervals, the comb 232 is symmetrically provided with two comb teeth, when the two comb teeth 232 move to a certain position on the base 231 in a relative direction, the two comb teeth 232 are in a binding state, when the two comb teeth 232 slide to a certain position on the base 231 in a reverse direction, the two comb teeth 232 are in an unfolding state, the first rack 233 is slidably fitted on the base 231, the first rack 233 is used for driving the two comb teeth 232 to move to the base 231 in a relative direction or in a reverse direction when the first rack 233 slides on the base 231, the comb device 200 further comprises two adjusting assemblies 240 symmetrically arranged on a mounting frame 210, the adjusting assemblies 240 are used for adjusting the comb assembly 230 when the adjusting assembly 240, the first rack 233 of the comb assembly 230 is driven to slide on the base 231 to make the two combs 232 take a contracted state or an expanded state, thereby enabling the combs 232 to be alternately switched between the contracted state and the expanded state when the comb assembly 230 circularly moves along with the belt 220 and passes through the adjusting assembly 240, so that the combs 232 alternately massage different positions of the user's head, and compared with the prior art, the comb type massage machine of the present invention can massage the user's head more comprehensively.
In light of the foregoing description of preferred embodiments in accordance with the invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.