阅读说明：本技术 一种蓄能式传动装置 (Energy storage type transmission device ) 是由 韦天兴 于 2021-07-03 设计创作，主要内容包括：本发明公开了一种蓄能式传动装置,其特征在于：包括有支架,所述的支架上设置有以下模块：动力模块,包括转动连接在支架上的配重体,所述的配重体初始位于高处,所述的动力模块还包括设置在支架上的动力机构,当所述的配重体从高处顺时针向下摆动下落后所述的动力机构推动配重体逆时针摆动而回到高处,使得配重体反复从高处摆动落下后又回到高处；蓄力模块,包括与配重体连接而能够将配重体落下时产生的动能储存的蓄能机构,所述的蓄能机构连接有能够将蓄能机构储存的能量释放的释放机构；输出模块,与所述的释放机构连接,使得输出模块以不同于动力机构的扭矩来输出动力,改装置可将输入的扭矩转化为更大或者更小的扭矩并持续平稳输出。(The invention discloses an energy storage type transmission device, which is characterized in that: including the support, the support on be provided with following module: the power module comprises a counterweight body rotationally connected to the support, the counterweight body is initially positioned at a high position, and the power module also comprises a power mechanism arranged on the support, when the counterweight body swings downwards clockwise from the high position, the power mechanism pushes the counterweight body to swing anticlockwise to return to the high position, so that the counterweight body repeatedly swings from the high position to fall and then returns to the high position; the power storage module comprises an energy storage mechanism which is connected with the counterweight body and can store kinetic energy generated when the counterweight body falls down, and the energy storage mechanism is connected with a release mechanism which can release energy stored by the energy storage mechanism; and the output module is connected with the release mechanism, so that the output module outputs power by using the torque different from that of the power mechanism, and the device can convert the input torque into larger or smaller torque and continuously and smoothly output the torque.)

1. An energy storage type transmission device is characterized in that: comprises a bracket (1), the bracket (1) is provided with the following modules,

the power module (2) comprises a counterweight body (21) rotationally connected to the support (1), the counterweight body (21) is initially positioned at a high position, the power module (2) further comprises a power mechanism (22) arranged on the support (1), and when the counterweight body (21) swings downwards clockwise from the high position, the power mechanism (22) pushes the counterweight body (21) to swing anticlockwise to return to the high position, so that the counterweight body (21) repeatedly swings from the high position to fall and then returns to the high position;

the power storage module (3) comprises an energy storage mechanism (31) which is connected with the counterweight body (21) and can store the kinetic energy generated when the counterweight body (21) falls down, and the energy storage mechanism (31) is connected with a release mechanism (32) which can release the energy stored in the energy storage mechanism (31);

and the output module (4) is connected with the energy storage mechanism (31) so that the output module (4) outputs power with the torque different from that of the power mechanism (22).

2. The energy storing transmission of claim 1, wherein: the energy storage mechanism (31) comprises an inertial body (311) rotatably connected to the support (1) and an energy storage assembly (312) arranged around the inertial body (311), a one-way mechanism is arranged between the counterweight body (21) and the inertial body (311), so that the counterweight body (21) can drive the inertial body (311) to rotate when falling from a high place at each time, the energy storage assembly (312) is arranged on a rotation path of the inertial body (311), and the inertial body (311) sequentially pushes the energy storage assembly (312) to store energy when rotating.

3. The energy storing transmission of claim 2, wherein: the energy storage assembly (312) comprises a plurality of elastic components (313) which are distributed along the circumference by taking the rotation center of the inertial body (311) as the center and a swinging component (314) connected with the elastic components (313), wherein the swinging component (314) can push the elastic components (313) to stretch or compress so as to store energy when swinging, a pushing component (315) which can push the swinging component (314) to swing for a certain angle when the inertial body (311) rotates is arranged on the inertial body (311), the inertial body (311) sequentially pushes the swinging component (314) to swing when rotating along the circumferential direction, and the energy storage assembly (312) further comprises a locking assembly (316) which locks the swinging component (314) after the swinging component (314) swings.

4. A storage drive as claimed in claim 3, wherein: the swinging component (314) is provided with a clamping block part (3141), the locking assembly (316) comprises an elastic clamping plate (325) which is arranged on the bracket (1) corresponding to the swinging component (314), and after the swinging component (314) is sequentially pushed by the inertia body (311), the elastic clamping plate (325) abuts against the clamping block part (3141) to further block the swinging component (314) from rebounding, so that the swinging component (314) has a locking state and a releasing state.

5. The energy storing transmission of claim 4, wherein: the release mechanism (32) comprises a clamping plate push plate (326) which is arranged on the support (1) corresponding to the elastic clamping plate (325) and can push the elastic clamping plate (325) to unlock, when one swinging component (314) is in a release state, the swinging component (314) rebounds and abuts against the clamping plate push plate (326) corresponding to the previous swinging component (314), and then the elastic clamping plate (325) corresponding to the previous swinging component (314) is pushed to unlock, so that the previous swinging component (314) enters the release state, and further the locked swinging component (314) is unlocked in sequence according to the reverse order.

6. The energy storing transmission of claim 4, wherein: the output module (4) comprises a central gear (41) rotatably arranged on the support (1), the swinging component (314) is connected with a pinion (42) consistent with the swinging center of the swinging component, and a one-way mechanism is arranged between the swinging component (314) and the pinion (42), so that the pinion (42) can be pushed to rotate after the swinging component (314) is unlocked, and the rotating power is transmitted to the outside through the central gear (41).

7. The energy storing transmission of claim 1, wherein: the power mechanism (22) comprises a power push rod (221) which is rotatably arranged on the bracket (1), the bracket (1) is provided with a driving part (222) for pushing the power push rod (221) to rotate clockwise and anticlockwise, the bracket (1) is provided with a locking structure (23) which locks the pushing component (315) after the power push rod (221) rotates clockwise for a certain angle, the bracket (1) is provided with a trigger structure (24) which can push the locking structure (23) to be unlocked after the counterweight body (21) rotates clockwise and falls down, a single bearing is arranged between the driving part (222) and the counterweight body (21), when the locking structure (23) is unlocked, the driving part (222) pushes the power push rod (221) to rotate anticlockwise, and simultaneously the power push rod (221) pushes the counterweight body (21) to enable the counterweight body (21) to rotate back to a high position anticlockwise.

8. The energy storing transmission of claim 7, wherein: the support (1) is further provided with a power storage mechanism (25) capable of storing energy, the power storage mechanism (25) is connected with the power push rod (221), so that the power push rod (221) can push the power storage mechanism (25) to store energy when rotating clockwise, and the power storage mechanism (25) releases energy and pushes the power push rod (221) to rotate when rotating anticlockwise.

9. The energy storing transmission of claim 1, wherein: the support (1) is also provided with an enlightening mechanism (26) which can push the counterweight body (21) to fall from a high place and rotate clockwise at first.

10. The energy storing transmission of claim 1, wherein: the support (1) is also provided with a kinetic energy recovery mechanism (43) for recovering the redundant energy on the output module (4).

[ technical field ] A method for producing a semiconductor device

The invention relates to an energy storage type transmission device.

[ background of the invention ]

The generator can normally work only by matching with a specified input torque, the generator is difficult to drive when the input torque is too small, energy loss is too large and even the generator is damaged when the input torque is too large, if a driving device for driving the generator has input torque which is not matched with the generator, the generator is difficult to stably and reliably drive to normally work, and how to apply different driving devices to drive the generator to work is a technical problem which people desire to solve.

The present invention has been made in view of the above-mentioned disadvantages.

[ summary of the invention ]

The invention aims to overcome the defects of the prior art and provide an energy storage type transmission device which can convert input torque into larger or smaller torque and output the torque, and can output continuous and smooth power of the torque.

The invention is realized by the following technical scheme:

an energy storage type transmission device is characterized in that: including the support, the support on be provided with following module: the power module comprises a counterweight body rotationally connected to the support, the counterweight body is initially positioned at a high position, and the power module also comprises a power mechanism arranged on the support, when the counterweight body swings downwards clockwise from the high position, the power mechanism pushes the counterweight body to swing anticlockwise to return to the high position, so that the counterweight body repeatedly swings from the high position to fall and then returns to the high position; the power storage module comprises an energy storage mechanism which is connected with the counterweight body and can store kinetic energy generated when the counterweight body falls down, and the energy storage mechanism is connected with a release mechanism which can release energy stored by the energy storage mechanism; the output module is connected with the energy storage mechanism, so that the output module outputs power with a torque different from that of the power mechanism;

as a preferred embodiment of the energy storage mechanism, the energy storage mechanism includes an inertial body rotatably connected to the support and an energy storage assembly disposed around the inertial body, the counterweight body is connected to the inertial body and can drive the inertial body to rotate, and the energy storage assembly is disposed on a rotation path of the inertial body, so that the inertial body sequentially pushes the energy storage assembly to store energy during rotation.

The energy storage type transmission device is characterized in that: 3. the energy storage assembly comprises a plurality of elastic components and swing components, the elastic components are distributed along the circumference by taking the rotation center of the inertial body as the center, the swing components are connected with the elastic components, the swing components can push the elastic components to stretch or compress so as to store energy when swinging, pushing components capable of pushing the swing components to swing at a certain angle when the inertial body rotates are arranged on the inertial body, the inertial body sequentially pushes the swing components to swing when rotating along the circumferential direction, and the energy storage assembly further comprises a locking assembly for locking the swing components after the swing components swing.

The energy storage type transmission device is characterized in that: 4. the swing component is provided with a clamping block part, the locking assembly comprises an elastic clamping plate which is arranged on the bracket corresponding to the swing component, and the elastic clamping plate is abutted against the clamping block part after the swing component is pushed by the inertial body in sequence so as to block the rebound of the swing component, so that the swing component has a locking state and a releasing state.

The energy storage type transmission device is characterized in that: 5. the release mechanism comprises a clamping plate push plate which is correspondingly arranged on the support with the elastic clamping plate and can push the elastic clamping plate to be unlocked, when one swinging part is in a release state, the swinging part rebounds and abuts against the clamping plate push plate corresponding to the last swinging part, and then pushes the elastic clamping plate corresponding to the last swinging part to be unlocked, so that the last swinging part enters the release state, and the locked swinging parts are sequentially unlocked in a reverse order.

As a preferred embodiment of the output module, the output module comprises a central gear rotatably arranged on the bracket, the swing component is connected with a pinion consistent with the swing center of the swing component, and a one-way mechanism is arranged between the swing component and the pinion, so that the pinion can be pushed to rotate after the swing component is unlocked, and the rotating power is transmitted to the outside through the central gear.

As a preferred embodiment of the power mechanism, the power mechanism comprises a power push rod rotatably arranged on a support, the support is provided with a driving part for pushing the power push rod to rotate clockwise and anticlockwise, the support is provided with a locking structure for locking the pushing part after the power push rod rotates clockwise by a certain angle, the support is provided with a triggering structure capable of pushing the locking structure to be unlocked after the counterweight body rotates clockwise and falls down, a single bearing is arranged between the driving part and the counterweight body, and the driving part pushes the power push rod to rotate anticlockwise and simultaneously pushes the counterweight body after the locking structure is unlocked.

The energy storage type transmission device is characterized in that: the bracket is also provided with a power storage mechanism capable of storing energy, and the power storage mechanism is connected with the power push rod, so that the power push rod can push the power storage mechanism to store energy when rotating clockwise, and the power storage mechanism can release energy and push the power push rod to rotate when rotating anticlockwise.

The energy storage type transmission device is characterized in that: the bracket is also provided with an enlightening mechanism which can push the counterweight body to fall from a high place and rotate clockwise at first.

The energy storage type transmission device is characterized in that: and the bracket is also provided with a kinetic energy recovery mechanism for recovering redundant energy on the output module.

Compared with the prior art, the invention has the following advantages:

the energy storage type transmission device can convert the torque of the input power mechanism into larger or smaller torque and output the torque, and can output the power with continuous and stable torque.

[ description of the drawings ]

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

FIG. 2 is a perspective view of the power module of the present invention;

FIG. 3 is a perspective view of a partial structure of the power module of the present invention;

FIG. 4 is a perspective view of a power module of the present invention;

FIG. 5 is a perspective view of the energy storage mechanism of the present invention;

FIG. 6 is a perspective view of the release mechanism of the present invention;

FIG. 7 is a perspective view of an output module of the present invention;

fig. 8 is an exploded view of the rear face of the accumulator actuator of the present invention.

[ detailed description ] embodiments

The invention is further described below with reference to the accompanying drawings:

the orientations of the present specification, such as "upper", "lower", "left", "right", "front", "back", etc., are based on the orientation of the drawings, and are for the purpose of describing the relationship between the respective components, and do not indicate a unique or absolute positional relationship between the respective components, but merely indicate one embodiment of the present invention, and do not limit the embodiments thereof.

As shown in fig. 1 to 8, an energy storage type transmission device includes a support 1, where the support 1 is provided with the following modules:

the power module 2 comprises a counterweight body 21 rotationally connected to the support 1, so that the counterweight body 21 can rotate clockwise or counterclockwise relative to the support 1, the counterweight body 21 is initially positioned at a high position, the counterweight body 21 is pushed down clockwise from the high position through manual pushing or mechanical pushing, at the moment, the counterweight body 21 can swing downwards with a certain amplitude and then swings back with a counterclockwise needle, the support 1 is provided with a power mechanism 22, when the counterweight body 21 swings downwards with the clockwise needle from the high position and then starts swinging back with the counterclockwise needle, at the moment, the power mechanism 22 pushes the counterweight body 21 to swing counterclockwise, the power mechanism 22 supplements lost energy for the counterweight body 21, so that the counterweight body 21 can return to the high position again, in more detail, the support 1 can be provided with a limit structure to enable the counterweight body 21 to return to the same position every time, or the output power of the power mechanism 22 is set to enable the counterweight body 21 to return to the same position every time, the counterweight body 21 can generate a torque larger or smaller than that of the power mechanism 22 when the counterweight body 21 swings clockwise, and the power mechanism 22 can output a specified torque as required by adjusting the swing radius, the weight and the rotating speed of the power mechanism 22;

the one-way mechanism can adopt a ratchet wheel and pawl mechanism or a detent mechanism and the like, and can realize one-way transmission of rotary motion.

The power storage module 3 comprises an energy storage mechanism 31 connected with the counterweight body 21, the energy storage mechanism 31 can be provided with a spring, a tension spring, a spiral spring and other parts capable of storing energy, so that the energy storage mechanism can convert and store the falling power of the counterweight body 21, the energy storage mechanism 31 is connected with a release mechanism 32, the release mechanism 32 releases the energy stored in the energy storage mechanism 31 for working, so that intermittent power generated when the counterweight body 21 falls is stored by the energy storage mechanism 31 firstly, then the release mechanism 32 delays and releases the power, and the intermittent power is converted into more continuous and stable power;

the output module 4 is connected with the energy storage mechanism 31, so that the output module 4 outputs power with a torque different from that of the power mechanism 22, the output power corresponds to the torque when the energy storage mechanism 31 is released, and the output power and the generator can have matched torque only by adjusting parameters such as the number of the energy storage assemblies 312, the elastic coefficient and the like of the energy storage mechanism 31, so that the power mechanism 22 with smaller torque can be used, and power with larger torque can be obtained through the energy storage type transmission device.

As a specific embodiment of the energy storage mechanism 31, as shown in fig. 4 to 6, the energy storage mechanism 31 includes an inertial body 311 rotatably connected to the support 1 and an energy storage component 312 disposed around the inertial body 311, a one-way mechanism is disposed between the counterweight body 21 and the inertial body 311, so that the counterweight body 21 can drive the inertial body 311 to rotate each time the counterweight body 21 falls from a high position, and the energy storage component 312 is disposed on a rotation path of the inertial body 311, so that the inertial body 311 sequentially pushes the energy storage component 312 to store energy during rotation.

More specifically, as shown in fig. 4 to 6, the energy storage assembly 312 includes two or more elastic members 313 distributed circumferentially around the rotation center of the inertial body 311 and a swinging member 314 connected to the elastic members 313, the swinging member 314 can push the elastic members 313 to stretch or compress and store energy when swinging, the inertial body 311 is provided with a pushing member 315 capable of pushing the swinging member 314 to swing a certain angle when rotating, as shown in fig. 5, when the inertial body 311 rotates, the pushing member 315 pushes the swinging member 314 to rotate, and since the swinging members 314 are not in accordance with the rotation center and the radius of the inertial body 311 can only be pushed to a certain angle, the inertial body 311 sequentially pushes the swinging member 314 to swing when rotating in the circumferential direction, so that the elastic members 313 sequentially stretch or compress and store energy, the energy storage assembly 312 includes a locking assembly 316, the locking component 316 locks the swinging component 314 so that the elastic component 313 keeps the energy storage state, and then the elastic component 313 releases energy in sequence according to the reverse order, so that the mutual influence of the energy storage action and the energy release action of the elastic component 313 is small, and the intermittent power input of the original counterweight body 21 is converted into more continuous and stable power of torque due to the time interval of the energy storage action and the energy release action of the elastic component 313.

In detail, as shown in fig. 4 to 6, the swing member 314 is provided with a latch 3141, the locking assembly 316 includes an elastic catch plate 325 disposed on the bracket 1 corresponding to the swing member 314, and when the swing member 314 is sequentially pushed by the inertial body 311, the elastic catch plate 325 abuts against the latch 3141 to block the swing member 314 from rebounding, so that the swing member 314 has a locked state and a released state. The releasing mechanism 32 includes a plate pushing plate 326 which is disposed on the bracket 1 corresponding to the elastic clamping plate 325 and can push the elastic clamping plate 325 to unlock, when one of the swinging members 314 is in a releasing state, the swinging member 314 rebounds and abuts against the plate pushing plate 326 corresponding to the previous swinging member 314, so as to push the elastic clamping plate 325 to unlock, so that the previous swinging member 314 enters a releasing state, and the locked swinging members 314 are sequentially unlocked in a reverse order.

More specifically, as shown in fig. 5 to 6, the holder 1 is provided with a fixed plate 35, the fixed plate 35 is provided with a sliding groove 351 for accommodating the clamping block portion 3141, so that the clamping block portion 3141 can slide between the head end and the tail end of the sliding groove 351 when the swinging member 314 swings, the elastic clamping plate 325 is arranged on the fixed plate 35 and arranged at the head end of the sliding groove 351, as shown in fig. 6, the elastic clamping plate 325 is provided with a guiding inclined surface, when the clamping block portion 3141 slides towards the head end of the sliding groove 351, the guiding inclined surface is pressed and the elastic clamping plate 325 is pushed open, so that the clamping block portion 3141 enters the head end of the sliding groove 351, an elastic resetting structure is arranged between the elastic clamping plate 325 and the fixed plate 35, the elastic resetting structure can adopt a spring or the like, so that the guiding inclined surface can be pressed and the elastic clamping plate 325 is pushed upward when the clamping block portion 3141 slides towards the head end of the sliding groove 351, and after the clamping block portion 3141 enters the head end of the sliding groove 351, the elastic catch plate 325 is restored and will catch by the catch block portion 3141, thereby locking the swinging member 314.

As shown in fig. 6, the sliding grooves 351 are uniformly arranged on the fixed disk 35 along the circumferential direction, the card plate pushing plate 326 is arranged between two adjacent sliding grooves 351, such that the sliding grooves 351 and the card plate pushing plate 326 are arranged at intervals and enclose a circle, the card plate pushing plate 326 is movably provided with the fixed disk 35, and a resetting structure is arranged between the card plate pushing plate 326 and the fixed disk 35, such that when the fixture block 3141 slides from the head end to the tail end of the sliding groove 351, the fixture block 3141 abuts against the card plate pushing plate 326, thereby pushing the previous elastic card plate 325 to unlock, at this time, the next fixture block 3141 repeatedly acts, and so on, the elastic component 313 is sequentially released in a reverse order, each elastic component 313 sequentially releases energy, at this time, the inertial body 311 still continuously pushes the swinging component 314 to swing, thereby pushing the elastic component 313 to sequentially store energy, and adjusting the mass of the inertial body 311, The rotation speed, and the elastic coefficient and deformation amount of the elastic member 313 make the speed of sequentially charging the energy of the elastic member 313 slightly slower than the speed of sequentially discharging the energy of the elastic member 313 in the reverse order, that is, the elastic member 313 continuously circulates from the charging state to the discharging state.

As shown in fig. 5, the output module 4 includes a central gear 41 rotatably disposed on the bracket 1, a pinion 42 corresponding to the center of the swing member 314 is connected to the swing member 314, and a one-way mechanism is disposed between the swing member 314 and the pinion 42, so that the pinion 42 can be pushed to rotate after the swing member 314 is unlocked, and the rotating power can be transmitted to the outside through the central gear 41.

As an embodiment of the power mechanism 22, as shown in fig. 2 to 3, the power mechanism 22 includes a power push rod 221 rotatably disposed on the bracket 1, the bracket 1 is provided with a driving part 222 for driving the power push rod 221 to rotate clockwise and counterclockwise, the bracket 1 is provided with a locking structure 23 which locks the pushing component 315 after the power push rod 221 rotates clockwise for a certain angle, the bracket 1 is provided with a trigger structure 24 which can push the locking structure 23 to unlock after the counterweight body 21 rotates clockwise and falls down, a single bearing is arranged between the driving part 222 and the counterweight body 21, when the locking structure 23 is unlocked, the driving member 222 pushes the power pushing rod 221 to rotate counterclockwise and the power pushing rod 221 pushes the counterweight body 21, so as to replenish the lost energy to the counterweight body 21 and enable the counterweight body 21 to return to the high position.

As a more preferable embodiment, as shown in fig. 2, the bracket 1 is further provided with a force accumulation mechanism 25 capable of being stretched or compressed, and the force accumulation mechanism 25 is connected with the power push rod 221, so that the power push rod 221 can push the force accumulation mechanism 25 to accumulate force when rotating clockwise, and the force accumulation mechanism 25 can discharge force and push the power push rod 221 to rotate when the power push rod 221 rotates counterclockwise.

More specifically, as shown in fig. 2 and 3, the driving member 222 includes a driving motor 223 and a pulley set 224, the pulley set 224 is provided with a latch 225 that moves circularly along with a belt thereof, the power push rod 221 is provided with a latch slot 226 that accommodates the latch 225, when the pulley set 224 operates, the latch 225 moves circularly, and the latch 225 pushes the power push rod 221 to move back and forth through the latch slot 226, so that the power push rod 221 can continuously and repeatedly push the counterweight body 21. Of course, the bracket 1 is provided with the inductive switch around the fastening hole 231, and the inductive switch can detect whether the fastening 232 is inserted and can control the start and stop of the driving motor 223, so that the start and stop of the power push rod 221 can be automatically controlled according to the swinging frequency of the counterweight body 21, the power push rod 221 and the counterweight body 21 can swing more in cooperation, and the accuracy of the cooperation is improved.

As shown in fig. 2 and 3, the latch structure 23 includes a latching hole 231 disposed on the bracket 1 and a latching 225 disposed at an end of the power push rod 221, when the power push rod 221 swings clockwise to the latching hole 231, the latching 225 is latched into the latching hole 231, the power push rod 221 is locked, the trigger structure 24 includes a latching 232 rotatably disposed on the bracket 1, a middle portion of the latching 232 is connected to the bracket 1, one end of the swing rod 241 abuts against the swing rod 241 and the other end of the swing rod 241 is disposed on a swinging path of the counterweight body 21, when the counterweight body 21 swings to reach a position of the swing rod 241, an end of the swing rod 241 is touched, so that the swing rod 241 rotates, and the other end of the swing rod 241 pushes the latching 225 to be out of the latching hole 231, which is simple and reliable in structure. Preferably, the bracket 1 is further provided with a reset mechanism 28 for resetting the swing link 241, as shown in fig. 3, the reset mechanism 28 may employ a spring for pulling the swing link 241.

As a more preferred embodiment, as shown in fig. 1 and 2, the method is characterized in that: the bracket 1 is also provided with an initiating mechanism 26 which can push the counterweight body 21 to fall from a high place and rotate clockwise at first, and the initiating mechanism 26 provides thrust to push the counterweight body 21 to fall from the high place at first.

As a more preferable embodiment, as shown in fig. 8, the present invention is characterized in that: the bracket 1 is further provided with a kinetic energy recovery mechanism 43 for recovering the redundant energy of the output module 4, and preferably, a gear set or a belt gear set can be provided for recovering the power of the output module 4.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.