A massager capable of bilateral patting

Abstract

The present application relates to a massager capable of bilateral beating, comprising: a flexible sleeve, which is integrally cylindrical, and the barrel body is symmetrically provided with a first massage part and a second massage part; a machine cover, which is located inside the flexible sleeve and comprises a first machine cover and a second machine cover that are combined into one body; a beating device, which is located inside the machine cover and comprises a first connecting rod, a second connecting rod and a crankshaft, the first connecting rod and the second connecting rod are staggeredly and movably connected to the crankshaft and are parallel to the upper and lower sides of the crankshaft; a first beating block connecting the first massage part is fixed to one end of the first connecting rod away from the crankshaft, and a second beating block connecting the second massage part is fixed to one end of the second connecting rod away from the crankshaft; a driving device, which is located inside the machine cover and comprises a control board, a motor connected to the control board and a power supply device, and the output end of the motor is connected to the crankshaft by interference fit. The structure of the present application is simple, the cost is saved, and the massage effect is good, which is widely applicable to massager products.

Description

Technical Field

[0001] This application relates to the technical field of adult health care products, and particularly to a massager with a bilateral patting function. Background Art

[0002] With the improvement of living standards and the increase of people's living and working pressures, adult health care products are becoming more and more popular, and people are investing more and more energy in their own health and the comfort of the life process. In this environment, various health care and massage products specifically for adults have been promoted and applied. Among them, the massager is a very common one, which provides a way to release some pressure for single adult women or women who have been separated from their spouses for a long time. Traditional simulated massagers not only include simulated massage bodies, but also are equipped with vibration motors inside, which are driven by the motors to achieve active massage. This kind of massager greatly improves the convenience of use and enhances the comfort. In the prior art, there are also massagers that can be used to meet the physiological needs of adults by finger-triggering. However, in the process of using the existing finger-triggered massagers, there are still problems such as the single combination of the triggering and vibration frequencies of the finger-triggered massagers that cannot meet the use requirements, the large force loss of the scroll spring at the finger-triggering position affecting the service life, the problem that the massager cannot be adjusted to solve the problem of reduced resilience, and the charging position of the massager being directly exposed and easily damaged, which brings many regrets to some users.

[0003] Chinese Patent with Publication No. CN108056905A discloses a multi-functional vaginal massager. The multi-functional vaginal massager includes a housing, a motor, a vibrating member, a transmission mechanism, a rotating shaft, a rotating plate, a rotating cavity, an opening, an outer sleeve, a groove, a movable table and soft hairs. Among them, the motor meshes with the transmission mechanism, the transmission mechanism meshes with the rotating shaft, and a rotating plate is clamped on the rotating shaft. The rotating plate includes a rotating rod, and ejecting blocks for ejecting the movable table out of the groove are provided at the ends of the rotating rod far from the ring. Soft hairs are provided on the movable table. One end of the motor away from the transmission mechanism is provided with a vibrating member. When the motor drives the vibrating member to work, the motor makes the soft hairs intermittently touch the vagina through the transmission mechanism, the rotating shaft and the rotating plate, making the vagina more comfortable, thus meeting people's physiological needs and achieving the effect of decompression. However, this technical solution only realizes one-sided massage and has a large volume and complex parts.

[0004] In summary, in the prior art, there is a lack of a bilateral massager with a simple structure and good massage effect for female physiological parts. Summary of the Invention

[0005] The technical problem to be solved by this application is that the traditional massager has a single massage effect, a complex structure, and weak comfort.

[0006] To solve the above technical problems, the present application provides a massager capable of bilateral patting, comprising: a flexible sleeve, which is cylindrical as a whole, and the barrel body is symmetrically provided with a first massage part and a second massage part; a machine cover, which is located inside the flexible sleeve and comprises a first machine cover and a second machine cover combined into one; a patting device, which is located inside the machine cover, and the patting device comprises a first connecting rod, a second connecting rod and a crankshaft. The first connecting rod and the second connecting rod are staggeredly and movably connected to the crankshaft and are parallel to the upper and lower sides of the crankshaft; a first patting block is fixed to one end of the first connecting rod away from the crankshaft, and a second patting block is fixed to one end of the second connecting rod away from the crankshaft; the first patting block is installed inside the first machine cover and is connected to the first massage part, and the second patting block is installed inside the second machine cover and is connected to the second massage part; a driving device, which is located inside the machine cover, and the driving device comprises a control board, a motor connected to the control board and a power supply device, and the output end of the motor is in interference fit connection with the crankshaft.

[0007] According to an embodiment of the present application, the first massage part is provided with a first elastic bladder formed by surrounding at least two first annular grooves, and the first elastic bladder is designed in a shape adapted to the first patting block; the second massage part is correspondingly provided with a second elastic bladder formed by surrounding at least two second annular grooves corresponding to the first massage part, and the second elastic bladder is designed in a shape adapted to the second patting block.

[0008] According to an embodiment of the present application, the wall thickness of the first annular groove and the second annular groove does not exceed one-half of the thickness of the flexible sleeve.

[0009] According to an embodiment of the present application, the first machine cover is provided with a first groove with an open bottom for the first patting block to pass through and be embedded, and the second machine cover is provided with a second groove with an open bottom for the second patting block to pass through and be embedded.

[0010] According to an embodiment of the present application, the first groove and the first elastic bladder are adapted to form a receiving cavity for the first patting block, and the inner surface of the first annular groove is fixedly connected to the first patting block by glue; the second groove and the second elastic bladder are adapted to form a receiving cavity for the second patting block, and the inner surface of the second annular groove is fixedly connected to the second patting block by glue.

[0011] According to an embodiment of the present application, the flexible sleeve, the first elastic bladder and the second elastic bladder are all made of silica gel material.

[0012] According to an embodiment of the present application, the crankshaft is in an overall "Z" shape, and the first connecting rod and the second connecting rod are vertically staggered and fixedly connected to the crankshaft in two directions respectively.

[0013] According to an embodiment of the present application, the joints of the first connecting rod, the second connecting rod and the crankshaft all adopt elastic C-shaped open slots to clamp the shaft rod of the crankshaft.

[0014] According to an embodiment of the present application, the massager of the present application further includes a bottom cover, which is snap-fitted to the first cover and the second cover. The inside of the bottom cover is provided with a first snap and a second snap. The first snap is adapted to a first slot provided on the first cover, and the second snap is adapted to a second slot provided on the second cover; the bottom cover is covered with the bottom of the flexible sleeve, and the cover is placed therein.

[0015] According to an embodiment of the present application, the power supply device includes a storage battery and / or a rechargeable battery. The rechargeable battery is connected to a charging base, and the bottom cover is provided with a charging port corresponding to the charging base.

[0016] Compared with the prior art, a massager capable of bilateral patting of the present application has the following beneficial effects:

[0017] 1. The motor, through the crankshaft, connecting rod and patting block, makes the massage part intermittently touch the physiological part, making the physiological part more comfortable, thus meeting people's physiological needs and further achieving the effect of decompression;

[0018] 2. The reciprocating motion is generated by driving the motor, the crankshaft and the connecting rod, and the reciprocating motion is used to stretch and deform the silicone outer sleeve of the massage head, and the massage effect is generated when contacting the massage part.

[0019] 3. The present invention has a novel design, is easy to operate and has a good use effect. It uses the bilateral patting method to massage people's physiological parts, reduces the massage noise, improves the shock absorption effect, has a good experience, can meet people's physiological needs, and achieves the effect of decompression.

[0020] 4. The motor drives the crankshaft. The structure of the crankshaft is preferably "Z" shaped, and the offset amounts in two directions of the crankshaft are the same. Compared with the eccentric wheel in the prior art, the structure is simpler and the force is more moderate.

[0021] 5. In the structural form of the connecting rod, the connecting part between the connecting rod and the crankshaft is an open and elastic C-shaped groove. The elastic C-shaped groove socket is used to make the connecting rod can be conveniently and quickly installed on the crankshaft.

[0022] 6. At least two annular grooves are opened on the silicone sleeve of the massage part, and the thickness of part of the silicone at the groove opening position is one-half or less of that at other positions, which is beneficial for the patting block fixed by the connecting rod to drive the silicone sleeve of the massage part to make a reciprocating motion, and is easy for the overall assembly and positioning of the massager.

[0023] 7. The entire flexible sleeve and the massage part are made of silicone, which is comfortable to use and the material is safe. Description of the Drawings

[0024] To more clearly illustrate the technical solutions of the embodiments of the present application, the accompanying drawings of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description only relate to some embodiments of the present application and do not limit the present application.

[0025] Figure 1 It is an exploded view of a massager capable of bilateral patting according to the present invention;

[0026] Figure 2 It is a sectional view of a massager capable of bilateral patting according to the present invention;

[0027] Figure 3 It is a structural schematic diagram of a first connecting rod in a massager capable of bilateral patting according to the present invention.

[0028] The description of the reference numerals is as follows:

[0029] 10. Flexible sleeve,

[0030] 11. First elastic bladder,

[0031] 12. Second elastic bladder,

[0032] 21. First machine cover,

[0033] 22. Second machine cover,

[0034] 23. Bottom cover,

[0035] 31. First connecting rod,

[0036] 32. Second connecting rod,

[0037] 33. Crankshaft,

[0038] 41. Control board,

[0039] 42. Motor,

[0040] 43. Power supply device,

[0041] 44. Charging base,

[0042] 111. First annular groove,

[0043] 121. Second annular groove,

[0044] 211. First groove,

[0045] 221. Second groove,

[0046] 311. First patting block,

[0047] 321. Second patting block. Detailed implementation manners

[0048] To make the objectives, technical solutions and advantages of the embodiments of this application clearer, the following will clearly and completely describe the technical solutions of the embodiments of this application with reference to the accompanying drawings of the embodiments of this application. Obviously, the described embodiments are some but not all of the embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of this application without creative efforts fall within the scope of protection of this application.

[0049] Unless otherwise defined, the technical terms or scientific terms used herein shall have the ordinary meanings understood by those of ordinary skill in the art to which this application belongs. The "first", "second" and similar terms used in the patent application specification and claims of this application do not denote any order, quantity or importance, but are only used to distinguish different components. Similarly, the terms such as "a" or "one" do not denote a limitation of quantity, but mean that there is at least one.

[0050] The working principle of the crankshaft: it bears the force transmitted by the connecting rod and converts it into torque, which is output through the crankshaft and drives other accessories on the engine to work. The crankshaft is jointly affected by the centrifugal force of the rotating mass, the gas inertia force that changes periodically and the reciprocating inertia force, so that the crankshaft bears the action of bending and torsional loads.

[0051] Figure 1 This is an exploded view of a massager capable of bilateral patting according to the present invention. Figure 2 This is a sectional view of a massager capable of bilateral patting according to the present invention. Figure 3 This is a schematic structural view of the first connecting rod 31 in a massager capable of bilateral patting according to the present invention.

[0052] As Figures 1 to 3 shown, a massager capable of bilateral patting according to the present invention includes a flexible sleeve 10, a machine cover, a patting device and a driving device.

[0053] The overall shape of the massager is a cylindrical shape with round ends at both ends. The main body is composed of a flexible sleeve 10 and a bottom cover 23. The machine cover, the patting device and the driving device are all located in the cavity formed by the flexible sleeve 10 and the bottom cover 23. The first massage part and the second massage part are symmetrically arranged on the outer side of the flexible sleeve 10.

[0054] Further, the surface of the flexible sleeve 10 may be provided with simulation textures to enhance the human feeling during use.

[0055] The machine cover includes a first machine cover 21 and a second machine cover 22 that are combined into one body. The first machine cover 21 is provided with a first groove 211 with an open bottom, and the second machine cover 22 is provided with a second groove 221 with an open bottom. A motor fixing seat and a fixing base of the power supply device 43 are further provided in the first machine cover 21.

[0056] The flapping device is located inside the machine cover and includes a first connecting rod 31, a second connecting rod 32 and a crankshaft 33. The first connecting rod 31 and the second connecting rod 32 are staggeredly and movably connected to the crankshaft 33 and are parallel to the upper and lower sides of the crankshaft 33; one end of the first connecting rod 31 away from the crankshaft 33 is fixed with a first flapping block 311, and one end of the second connecting rod 32 away from the crankshaft 33 is fixed with a second flapping block 321. The first flapping block 311 is embedded in the first groove 211 of the first machine cover 21 and is connected to the first massage part, and the second flapping block 321 is embedded in the second groove 221 in the second machine cover 22 and is connected to the second massage part.

[0057] Further, the first massage part is provided with a first elastic sac 11 formed by surrounding at least two first annular grooves 111, and the first elastic sac 11 is designed in a shape adapted to the first flapping block 311; the second massage part is correspondingly provided with a second elastic sac 12 formed by surrounding at least two second annular grooves 121 corresponding to the first massage part, and the second elastic sac 12 is designed in a shape adapted to the second flapping block 321.

[0058] Further, the first groove 211 on the first machine cover 21 and the first elastic sac 11 are combined in an adapted manner to form a receiving cavity for the first flapping block 311; the second groove 221 on the second machine cover 22 and the second elastic sac 12 are combined in an adapted manner to form a receiving cavity for the second flapping block 321. The design of the receiving cavity further stabilizes the installation position of the flapping block in the flapping device system, and provides a certain gap and protection space for the movement of the first flapping block 311 and the second flapping block 321, prolongs the service life of the flapping device, and ensures the effective operation of the flapping device.

[0059] The rotating plate of the beating device includes a pair of staggered and mutually parallel first connecting rods 31 and second connecting rods 32 and a crankshaft 33 for driving the two connecting rods to rotate. The first connecting rod 31 and the second connecting rod 32 are both movably sleeved on the crankshaft 33, and the two connecting rods are arranged in an up-down staggered manner. A first beating block 311 is fixed to one end of the first connecting rod 31 away from the connection between the first connecting rod 31 and the crankshaft 33, and a second beating block 321 is fixed to one end of the second connecting rod 32 away from the connection between the first connecting rod 31 and the crankshaft 33. The first beating block 311 is embedded in the accommodation cavity formed by the first groove 211 and the first elastic capsule 11 and is fixedly connected to the inner wall of the first elastic capsule 11, and the second beating block 321 is embedded in the accommodation cavity formed by the second groove 221 and the second elastic capsule 12 and is fixedly connected to the inner wall of the second elastic capsule 12. During operation, the crankshaft 33 is driven by the motor 42, driving the movable ends of a pair of connecting rods to rotate, and the first connecting rod 31 and the second connecting rod 32 rotate with the crankshaft 33, thereby driving the slapping block to push out and the elastic bag to contact the massage part and then pull it back when the force is applied, and because the motor 42 continues to work, the slapping device can continuously produce the effect of pushing and pulling back the massage part, thereby achieving the massage part on both sides to slap the massage part, producing a bilateral massage effect, thereby meeting people's physiological needs. The first slapping block 311 and the second slapping block 321 are in the shape of a circular runway, one is to enlarge the massage part, and the other is that the massage part is not easily scratched when the force is applied.

[0060] Furthermore, if Figure 1 , Figure 2 As shown, the crankshaft 33 is preferably a "Z" shape, divided into two parallel shafts and a vertical rod in the middle connecting the ends of the two shafts. The first connecting rod 31 and the second connecting rod 32 are movably connected to the two shafts. The offset along the direction of the two shafts is the same. One end of one of the shafts away from the vertical rod is fixedly connected to the output end of the motor 42, and the connection method can be a shaft connection.

[0061] Furthermore, the first connecting rod and the second connecting rod have the same shape, such as Figure 3 As shown, the connection ends of the first connecting rod 31, the second connecting rod 32 and the crankshaft 33 adopt an elastic C-shaped groove, that is, a cylindrical groove with the groove body opening outward. During installation, the opening of the C-shaped groove can quickly and conveniently insert the shaft rod of the crankshaft 33. At the same time, the C-shaped groove has elasticity to form a clearance fit connection. The first connecting rod 31, the second connecting rod 32 and the crankshaft 33 can roll relative to each other to ensure that the connecting rod is not stuck by the crankshaft 33 when moving.

[0062] Further, the first beating block 311 and the second beating block 321 are respectively connected to the inner walls of the first annular groove 111 and the second annular groove 121 by glue. The present application does not limit this connection method, and a design of integrally molding the connecting rod and the elastic capsule can also be adopted. The first elastic capsule 11, the second elastic capsule 12 and the flexible sleeve 10 can be integrally molded. The thickness of the groove wall of the annular groove is designed to be significantly thinner than the thickness of other parts of the elastic capsule, so that it is convenient for the beating block connected thereto to be pushed and pulled under the drive of the connecting rod, enabling the elastic capsule to achieve the effect of beating and massaging. The thickness of the groove wall of the annular groove is preferably not more than half of the thickness of the flexible sleeve 10. At the same time, the design of the annular groove is also beneficial for visual and tactile discrimination, facilitating the assembly and use of the massager.

[0063] Further, the shapes of the first beating block 311 and the second beating block 321 are preferably flat annular racetrack shapes with smooth edges, which not only increase the connection area with the elastic capsule but also avoid damage and scratches to the elastic capsule.

[0064] The drive device is located inside the machine cover. The drive device includes a control board 41, a motor 42 connected to the control board 41, and a power supply device. The control board 41 is powered by the power supply device, and the output end of the motor 42 is connected to the crankshaft 33 by interference fit.

[0065] Further, the motor 42 is fixed in a corresponding motor fixing seat inside the second machine cover 22.

[0066] Further, the power supply device 43 includes a battery. The battery can be an independent storage battery and a rechargeable battery, and the two are respectively connected to the control board 41 to form a structure that can be independently powered or jointly powered. With the hybrid power source of the storage battery and the rechargeable battery, the storage battery can work alone, or the rechargeable battery can work alone. When the user feels that the working force is insufficient, the storage battery and the rechargeable battery can be turned on to work simultaneously to enhance the working force of the function. The power supply device 43 is correspondingly fixed on the battery fixing base inside the second machine cover 22.

[0067] Further, the rechargeable battery is connected to a charging base 44. A socket corresponding to the charging base 44 is provided on the bottom cover 23, and the socket is electrically connected to the rechargeable battery. When the power stored in the lithium battery is exhausted, it is connected to an external power source through the socket, so that the external power source charges the lithium battery. In this way, the lithium battery can be recycled by people.

[0068] Further, the bottom cover 23 is snap-fitted to the first machine cover 21 and the second machine cover 22. The first buckle and the second buckle are provided inside the bottom cover 23. The first buckle is adapted to a first card slot provided on the first machine cover 21, and the second buckle is adapted to a second card slot provided on the second machine cover 22; the bottom cover 23 covers the bottom of the flexible sleeve 10, and the machine cover is placed therein.

[0069] Further, control buttons are provided on the control board 41. The control board 41 is fixed inside the machine cover. The control buttons protrude through the through hole formed when the first machine cover 21 and the second machine cover 22 are combined and are installed into the button holes provided on the flexible outer cover.

[0070] Further, the flexible sleeve 10, the first elastic bladder 11, and the second elastic bladder 12 are all made of silica gel material. Silica gel alias: Silicic acid gel, which is a highly active adsorbent material and belongs to the amorphous substance; it does not react with any substance except strong alkalis and hydrofluoric acid, making silica gel insoluble in water and any solvent, non-toxic and odorless, and chemically stable; secondly, the chemical composition and physical structure of silica gel determine that it has many characteristics that are difficult to replace by other similar materials: high adsorption performance, good thermal stability, chemically stable, and relatively high mechanical strength, enabling the flexible sleeve 10 to be used by people for a long time and not easily damaged; in addition, silica gel has good flexibility, enabling the flexible sleeve 10 to protect the physiological part and avoid scratching the massaged part during massage.

[0071] Working principle: The motor 42 drives the crankshaft 33 to make a rotational motion. The crankshaft 33 drives a pair of connecting rods that are movably connected thereto to make an internal and external reciprocating motion relative to the crankshaft 33, thereby driving a pair of massage parts fixedly connected to the connecting rods to make an internal and external reciprocating motion, thus realizing the massage function of two-way slapping.

[0072] In summary, the present invention has the following beneficial effects:

[0073] 1. The motor, through the crankshaft, connecting rod, and slapping block, enables the massage part to intermittently touch the physiological part, making the physiological part more comfortable, thus meeting people's physiological needs and further achieving the effect of decompression;

[0074] 2. By using the motor and the drive of the crankshaft and connecting rod to generate a reciprocating motion, the reciprocating motion is used to stretch and deform the silica gel outer cover of the massage head, and contact with the massage part to produce a massage effect.

[0075] 3. The present invention has a novel design, is easy to operate and has a good use effect. It uses the method of bilateral slapping to massage people's physiological parts, reduces the massage noise, improves the shock absorption effect, has a good experience, can meet people's physiological needs, and achieves the effect of decompression.

[0076] 4. The motor drives the crankshaft. The structure of the crankshaft is preferably "Z" - shaped, and the offset amounts in two directions of the crankshaft are the same. Compared with the eccentric wheel in the prior art, the structure is simpler and the force is more moderate.

[0077] 5. In the structural form of the connecting rod, the connecting member that the connecting rod cooperates with the crankshaft is an open and elastic C - shaped groove. The use of the elastic C - shaped groove socket enables the connecting rod to be conveniently and quickly installed on the crankshaft.

[0078] 6. There are at least two annular grooves opened on the silicone sleeve of the massage part, and the thickness of part of the silicone at the notch position is one-half or less than that of other positions, which is beneficial for the flapping block fixed by the connecting rod to drive the silicone sleeve of the massage part to do reciprocating motion, and is conducive to the assembly and positioning of the overall massager.

[0079] 7. The entire flexible sleeve and the massage part are made of silicone, which is comfortable to use and the material is safe.

[0080] The above are only exemplary embodiments of the present application, rather than being used to limit the protection scope of the present application. The protection scope of the present application is determined by the appended claims.

Claims

1. A massager capable of bilateral patting, characterized in that, Comprising: A flexible sleeve, which is cylindrical as a whole, and the barrel body is symmetrically provided with a first massage part and a second massage part; A machine cover, which is located inside the flexible sleeve and includes a first machine cover and a second machine cover combined into one body; A flapping device, which is located inside the machine cover, and the flapping device includes a first connecting rod, a second connecting rod and a crankshaft, The first connecting rod and the second connecting rod are staggeredly and movably connected to the crankshaft and are parallel to the upper and lower sides of the crankshaft; One end of the first connecting rod away from the crankshaft is fixed with a first flapping block, and one end of the second connecting rod away from the crankshaft is fixed with a second flapping block; The first flapping block is installed in the first machine cover and connected to the first massage part, and the second flapping block is installed in the second machine cover and connected to the second massage part; A driving device, which is located inside the machine cover, and the driving device includes a control board, a motor and a power supply device connected to the control board. The power supply device supplies power to the motor through the control board, and the output end of the motor is in interference fit connection with the crankshaft; The first massage part is provided with a first elastic bladder formed by at least two first annular grooves surrounding it, and the first elastic bladder is designed in a shape adapted to the first flapping block; the second massage part correspondingly has a second elastic bladder formed by at least two second annular grooves surrounding it, and the second elastic bladder is designed in a shape adapted to the second flapping block; The wall thickness of the first annular groove and the second annular groove does not exceed one-half of the thickness of the flexible sleeve; The first machine cover is provided with a first groove with an open bottom for the first flapping block to pass through and be embedded, and the second machine cover is provided with a second groove with an open bottom for the second flapping block to pass through and be embedded; The first groove is adapted to the first elastic bladder to form a receiving cavity for the first flapping block, and the inner surface of the first annular groove is fixedly connected to the first flapping block by glue; the second groove is adapted to the second elastic bladder to form a receiving cavity for the second flapping block, and the inner surface of the second annular groove is fixedly connected to the second flapping block by glue; The crankshaft is "Z"-shaped as a whole, and the first connecting rod and the second connecting rod are staggered up and down and are respectively fixedly connected in two directions of the crankshaft; The joints of the first connecting rod, the second connecting rod and the crankshaft all use elastic C-shaped open slots to clamp the shaft rod of the crankshaft.

2. The massager according to claim 1, characterized in that, The flexible sleeve, the first elastic bladder and the second elastic bladder are all made of silicone material.

3. The massager according to claim 1, characterized in that, It further includes a bottom cover, which is snap-fitted with the first machine cover and the second machine cover. The bottom cover is internally provided with a first buckle and a second buckle. The first buckle is adapted to a first card slot provided on the first machine cover, and the second buckle is adapted to a second card slot provided on the second machine cover; the bottom cover is covered with the bottom of the flexible sleeve to place the machine cover therein.

4. The massager according to claim 1, wherein, The power supply device includes a storage battery and / or a rechargeable battery. The rechargeable battery is connected with a charging base, and the bottom cover is provided with a charging port corresponding to the charging base.

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