414results about "Stringed rackets" patented technology

A racket comprises a handle and a body connected to the handle. The body includes a core layer, a first surface layer, a first inner layer disposed so as to sandwich the first surface layer with the core layer, and a first outer layer disposed so as to sandwich the first inner layer with the first surface layer. The first inner layer is an elastic body. The first outer layer has a higher stiffness than the first inner layer. The core layer has a higher stiffness than the first inner layer.

A pickleball racket with shock-absorption rings comprises: a racket potion; and a handle portion connected with the racket portion; wherein, the racket portion comprises a facing and a main panel, the main panel comprises a main panel frame, a first shock-absorption ring, a first honeycomb panel and a second honeycomb panel, the first shock-absorption ring is arranged in an inner ring region of the main panel, the first honeycomb panel is inlaid in a region between the main panel and the first shock-absorption ring, and the second honeycomb panel is inlaid in an inner ring region of the first shock-absorption ring. The first shock-absorption ring arranged around the second honeycomb panel can effectively isolate vibrations when a hitting point is located in the region of the second honeycomb panel, to greatly reduce vibrations transmitted to the handle portion, thus guaranteeing good hitting comfort of the pickleball racket.

A durable pickleball racket comprises a racket body and a panel, wherein the panel comprises one or two layers attached to one or two sides of the racket body, the racket body comprises a handle portion and a racket portion, the racket portion is fixedly connected to the handle portion and comprises a frame and a core board inlaid in the frame, the core board is a homogenous core board or a composite core board, and a plurality of struts are inlaid in the core board. The durable pickleball racket provided by the invention not only can effectively improve the anti-hitting performance, prolong the effective hitting time, retard or reduce permanent deformation and prolong the service life, but also can resist deformation caused by powerful hitting and satisfy lightweight and shock-absorption requirements, thus being an improved product comprehensively balancing strength and quality.

A sports implement includes a main body portion, a handle portion extending from the main body portion, and a grip member. The main body portion includes a first contact surface, a second contact surface, and a sidewall positioned about a perimeter of each of the first and the second contact surfaces. The handle portion defines a handle central axis extending therethrough. The grip member includes a grip body portion and a grip end portion. The grip body portion is operably coupled with the handle portion. The grip end portion defines a grip central axis extending therethrough. The handle central axis is offset from and parallel to the grip central axis.

The invention discloses a sensing device for ball hitting detection and a tennis racket. The sensing device comprises a sensor element, and the sensor element is combined with a data fusion algorithm to conduct data monitoring on the ball hitting force, the ball hitting speed and the ball hitting position of the tennis racket; the sensor element comprises an IMU (Inertial Measurement Unit) sensor, physical quantity parameters in a tennis racket batting and waving process and an acoustic sensor, and is used for analyzing batting force, batting speed and batting position; the Bluetooth communication element is used for realizing wireless communication; the energy collector is used for converting kinetic energy generated by ball hitting of the tennis racket into electric energy to supply power to the sensor component; data monitoring is carried out on the ball hitting force, the ball hitting speed and the ball hitting position, the IMU sensor, the acoustic sensor and the energy collector are used in cooperation and combined with a data fusion algorithm, the defects of a traditional single sensor are effectively overcome, the positioning and tracking precision is improved, the energy collector is used for storing and using electric energy, and the positioning and tracking precision is improved. And power consumption is reduced.

A pickleball paddle includes a first padding, two second paddings, an edge strip, and a grip. The first padding is a honeycomb structure made of polypropylene. The second paddings are bonded to two opposite surfaces of the first padding, and the second paddings each have a polypropylene layer and a fiber fabric bonded to the polypropylene layer. The edge strip is connected to the edge of the first padding and the edges of the second paddings, and the edge strip is made of a material including polypropylene. The grip is connected to the edge strip, and the grip is made of a material including polypropylene. Thus, the pickleball paddle of the present invention is easy to recycle and can reduce harm to the environment. Additionally, the present invention further includes a method of recycling the aforesaid pickleball paddle.

A manufacturing method and structure for a composite material racket frame includes the following steps:(a) Resin impregnation: Impregnate a composite material with resin;(b) Wrapping the core mold with composite material: Use a core mold in the shape of a racket, made of polymethacrylimide (PMI) or expanded polypropylene (EPP) material; then wrap the composite material around the core mold to form a composite material layer. The mutually wrapped composite material layers and core mold together form a semi-finished product;(c) Heating and pressurizing: Place the semi-finished product into a mold with a cavity, and heat the mold to a preset temperature. After heating, the core mold expands due to heat, forming internal pressure within the semi-finished product;(d) Cooling and curing: Stop heating and allow the semi-finished product to cool until it reaches a cured state, and(e) Finished product formation: Remove a finished racket frame from the mold.

A method for manufacturing a pickleball racket includes the following steps: (a) impregnating a composite material with resin; (b) wrapping a core mold, made of PolyMethylMethAcrylimide (PMI), with at least one location to form an elastic layer; wrapping the composite material around the elastic layer and the core mold to form a composite material layer, to form a semi-finished product; (c) placing the semi-finished product into a mold and heating the mold to a predetermined temperature to form internal pressure within the semi-finished product; (d) stopping heating and cooling the semi-finished product to solidify it; (e) removing a pickleball racket from the mold. The pickleball racket forms an integral structure in the order of a core mold, an elastomer layer, and a composite material layer. The pickleball racket is light in weight and has strength and rigidity. The striking surfaces of the pickle racket has hitting elasticity, and shock absorption.

A pickleball racket is provided. The pickleball racket includes a racket handle and a racket body. An end of a racket handle connected to a racket body is provided with at least two first wavy concave-convex structures, which is more conducive to grip and provides good stability, while also provides a shock absorption effect and helps to reduce the impact on a wrist and an arm when swinging the pickleball racket. The racket body is provided with second wavy concave-convex structures corresponding to the first wavy concave-convex structures, which can make the connection between the racket handle and the racket body more stable, while also enhances the structural strength of the pickleball racket. The first wavy concave-convex structures of the racket handle are closely connected to the second wavy concave-convex structures of the racket body, which helps to improve the stability and control performance of the pickleball racket.

A grommet (20) includes a tubular portion (21). The tubular portion extends along a first direction (DR1), and has a tip end (21a) and a base end (21b) located opposite to the tip end in the first direction. The tubular portion is provided with a through hole (21c) extending in the first direction and opening at the tip end and the base end of the tubular portion. When the tubular portion is viewed from the tip end along the first direction, a first opening edge (21d) has a first portion (21da), the first opening edge being an opening edge of the through hole at the tip end of the tubular portion. The first portion has a first end and a second end, the first end being an intersection point of a first line (L1) and the first opening edge, the first line passing through a center (C) of the through hole and along a second direction (DR2) orthogonal to the first direction, the second end being an intersection point of a second line (L2) and the first opening edge, the second line passing through the center of the through hole and along a third direction (DR3) orthogonal to the first direction and the second direction.

The present invention discloses a wear-resistant and tear-resistant polyamide elastomer composition and a preparation method and application thereof, and belongs to the technical field of modified materials. The wear-resistant and tear-resistant polyamide elastomer composition is prepared by weight from 87.1 to 95.9 parts of polyamide elastomer, 3 to 10 parts of wear-resistant agent, 0.2 to 1 part of cross-linking agent, 0.4 to 1 part of antioxidant, 0.1 to 0.6 parts of nucleating agent, 0.2 to 0.6 parts of dispersant, 0 to 2 parts of masterbatch, and 0 to 0.01 parts of fluorescent brightener. The present invention adopts polyamide elastomer as a substrate, and generates a cross-linking structure through a trifunctional cross-linking agent and an amide bond and / or an end group (amino, carboxyl, hydroxyl) in a polyamide elastomer molecular chain to improve the tear strength of the composition, and adds a polymer wear-resistant agent (PTFE and / or POM powder) to improve the wear resistance and resilience of the composition, so that the badminton racket line nails prepared by the composition of the present invention have playability and durability.

A pickleball paddle having an injection molded multi-piece frame surrounding and supporting a hitting face assembly. The frame provides design flexibility to separate control of the paddle stiffness from the playability characteristics of hitting face assembly. Speed of assembly is increased and cost of components are decreased by utilizing an injection molded frame.

A vibration dampener device configured to install to the stings of a racket for dampening a vibration energy of the strings, and which allows for adjustable / tunable dampening may comprise a dampening member configured to capture a first string segment and a second string segment of the racket; and a holder assembly comprising a post including post threading, a tension adjustment nut threadably engaged to the post threading, and at least one plate.

The utility model discloses a Pick racket with a damping ring. The Pick racket comprises a racket part and a damping ring, the handle part is connected with the racket part; wherein the racket part comprises a panel layer and a main plate body, the main plate body comprises a main plate frame, a first damping ring, a first honeycomb plate and a second honeycomb plate, the first damping ring is arranged in an inner ring area of the main plate frame, and the first honeycomb plate is embedded in an area between the main plate frame and the first damping ring; the second honeycomb plate is embedded in the inner ring area of the first damping ring, and the first damping ring is arranged on the second honeycomb plate in a surrounding mode, so that vibration can be effectively blocked when a ball hitting point is located in the area of the second honeycomb plate, vibration transmitted to the handle part can be greatly reduced, and the comfortable ball hitting hand feeling of the Pick racket is guaranteed.

The utility model belongs to the technical field of badminton rackets, and particularly relates to a badminton racket which comprises a racket rod and a grip, a racket frame is arranged at one end of the racket rod, a mounting hole matched with the racket rod is formed in the grip, a guide groove is formed in the other side of the mounting hole, a guide part is arranged on the racket rod, and the guide part and the racket frame are arranged on the two sides of the mounting hole respectively. The guide part is matched with the guide groove to limit relative rotation of the racket rod in the mounting hole, and the guide part extends towards the side surface of the mounting hole and prevents the racket rod from being separated from the mounting hole; a mounting hole is formed in the racket rod, a locking piece is movably arranged on the grip, the locking piece can limit the axial movement of the racket rod in the mounting hole, so that the racket rod and the grip are controlled to be relatively fixed, and the badminton racket is convenient to assemble and stable to mount.

An end cap (100) for an athletic appliance, the end cap comprising a base portion (110) and a lateral extension (160) projecting from the base portion (110). The base portion (110) has a bottom surface (130) having a central axis (101) in its normal. A receiving cavity (170) opposite the bottom surface (130) is configured to receive a portion of an athletic appliance. The extension (160) is configured such that during a swing of the sports instrument (700) with a user's hand gripping around the sports instrument portion (700), the extension (160) contacts lateral and upper portions of a fifth proximal phalanx of the user's hand, and the hand is constrained both in lateral and longitudinal aspects while allowing a first metacarpal bone of the hand to rotate away from the central axis.

The utility model discloses a badminton racket for swing correction, which belongs to the technical field of sports auxiliary appliances and comprises a racket rod component, an auxiliary racket surface movably mounted at the upper end of the racket rod component and a front racket surface rotatably mounted on the auxiliary racket surface, and symmetrical return springs are connected between the auxiliary racket surface and the front racket surface. The racket rod assembly comprises a rod body, a grip rotatably installed at the lower end of the rod body and a handheld groove formed in the grip, the auxiliary racket face is movably installed at the upper end of the rod body, the handheld groove can be used for correcting and training the racket holding posture of a player, and the racket can be adjusted by adjusting the racket face and the grip, so that the racket can be used for correcting and training the racket holding posture. The device is suitable for correcting the racket holding posture of the left hand or the right hand, so that the applicability of the device is improved; the rotatable front racket surface is matched with the auxiliary racket surface, so that the device can be used for correcting the racket swinging strength and the racket swinging action of a training player, and the training efficiency of the player is improved.

A racket (2) includes a frame (4), a grip (6), a grommet (10), and a string (12). The frame (4) includes a head (14), a first throat (16a), a second throat (16b), and a shaft (18). A maximum value of a thickness of the frame (4) is less than 26.0 mm. The racket (2) has an in-plane stiffness index Gi of greater than or equal to 5000 and less than or equal to 8000. The in-plane stiffness index Gi is a product of a top pressure stiffness value Git expressed in kgf / cm and a side pressure stiffness value Gis expressed in kgf / cm. The racket (2) has an out-of-plane stiffness index Go of greater than or equal to 45000 and less than or equal to 60000. The out-of-plane stiffness index Go is a product of a throat stiffness value Gos expressed in kgf / cm and a ball-hitting face stiffness value Goh expressed in kgf / cm.

A racket guard formed from a sturdy, durable, lightweight, yet flexible, material, such as a thermoplastic urethane, can be mounted on the distal end of a sports racket without the use of fasteners to protect the frame of the racket from accidental impacts, such as against the playing surface, during use of the sports racket. The cross-sectional shape of the racket guard is an oval configuration with an outer band that overlies the frame and includes side walls and inwardly directed flanges that terminate in a spaced relationship defining a gap through which the frame can pass by flexing the flanges. The racket guard is preferably sized to cover about 180 degrees of the sports racket to provide protection for the sides of the frame. The lightweight racket guard does not serve as a weight or as a dampening device. If damaged, the racket guard is easily removed and replaced.

A sports racquet and removable wrist strap system may include a head, a handle coupled to the head, a flexible tether extending from an end of the handle, a wrist strap, and a wrist strap connector releasably connecting the wrist strap to the flexible tether. The wrist strap connector includes a collar and an insert. The collar is connected to one of the wrist strap and the flexible tether and has an interior having a side opening and a side slot extending from the side opening. The insert is connected to the other of the wrist strap and the flexible tether. The insert is insertable into the interior through the side opening while portions of the wrist strap or the flexible tether are insertable into the interior through the side slot.

A racquet mounting system includes an axial support main bar. A support-head is coupled to a first end of the main bar and is vertical to the main bar. A ratchet is slidably coupled to the main bar, away from the first end of the main bar. The ratchet is vertical to the main bar, and is parallel to the support head. A distance is formed between the ratchet and the support-head for receiving a racket, and to create space for easy string bed access for string weaving. The main bar comprises a main bar-head and a main bar-throat; the main bar-head and the main bar-throat are attached to each other to form the axial support for the support-head and the ratchet.

The utility model relates to automatic forming equipment of a badminton racket, and aims to solve the problems that a carbon fiber cloth strip needs to be folded into a badminton racket shape before the current badminton racket is formed, and then a person needs to manually press the badminton racket in the shape of the carbon fiber cloth strip into a mold, which is troublesome, easy to damage the hands of the person and high in production efficiency. The badminton racket stuffing device comprises a bottom plate, an inverted-U-shaped plate is installed at the top of the bottom plate, a connecting plate is arranged in an inner cavity of the inverted-U-shaped plate, a horizontal driving mechanism is arranged between the connecting plate and the top of the inner cavity of the inverted-U-shaped plate, first push rod motors are installed on the two sides of the top of the connecting plate correspondingly, and the first push rod motors are arranged on the two sides of the top of the connecting plate correspondingly. The carbon fiber cloth strip inserting device has the advantages that the carbon fiber cloth strip folded into the shape of the badminton racket can be inserted into the mold without manual pressing of a person, trouble is saved, the hand of the person cannot be injured, the inserting efficiency is improved, and the badminton racket forming efficiency is greatly improved.

A racquet including a frame including a head portion, a handle portion, and a throat portion. The head portion forms a hoop that defines a string bed plane. The head portion of the racquet being formed of a fiber composite material. When the racquet is tested under the racquet lateral bending test, the racquet has a lateral deflection of at least 6.5 mm when measured in a first direction that is parallel to the string bed plane and perpendicular to the longitudinal axis. When the racquet is tested under a racquet forward / rearward bending test, the racquet has a forward / rearward deflection with respect to the longitudinal axis of less than 7.3 mm when measured in a direction that is perpendicular to the string bed plane and perpendicular to the longitudinal axis.

The utility model discloses a badminton racket with enhanced exoskeleton rigidity, which belongs to a racket in the technical field of sports equipment, and adopts the technical scheme that the badminton racket comprises a racket frame, a first convex thread is arranged on the outer surface of the racket frame; a second convex thread is arranged on the outer surface of the connecting rod; a grip; the racket frame, the connecting rod and the grip are fixedly connected in sequence, and a first protruding thread arranged on the racket frame is arranged on the outer surface of the racket frame; according to the badminton racket with the enhanced external skeleton rigidity, the racket frame and the connecting rod are both provided with the corresponding protruding threads, so that the racket frame has the effects of breaking wind and guiding flow in the racket swinging process and meanwhile has high stability, and similarly, the connecting rod is provided with the protruding threads, so that the stability of the racket frame is improved. And the effect that the hardness of the middle rod is configured differently is achieved, meanwhile, the middle rod is more prone to deformation during batting, and therefore the effect that the racket is more beneficial to being swung in a labor-saving mode is achieved.

A pickleball paddle having a perimeter weighting system to improve performance characteristics and / or to provide swing weighting. The weighting system may include flexible weight strips disposed in recesses formed about a perimeter of the paddle. Alternatively, the weighting system may include slidable weights disposed in one or more channels. The weighting system may further include handle weighting to provide swing weighting. The at least one weight can have a relatively high mass, sufficient to noticeably alter CG of the paddle.

The utility model discloses a rough panel with a logo layer and a racket. The rough panel with the logo layer comprises: a carbon cloth layer; and a rough layer arranged on the carbon cloth layer; wherein a logo layer is arranged between the carbon cloth layer and the rough layer, the rough panel is made by die pressing, and the logo layer is embedded in the carbon cloth layer and / or the rough layer. The arrangement of the logo layer between the carbon cloth layer and the rough layer effectively prevents the wear and tear of the logo layer, allowing it to be displayed more effectively.

A racket (1) is provided. The racket (1) comprises a handle (2) and a blade (3). The handle (2) comprises a socket (5) disposed at an end (2') of the handle (2). The socket (5) extends within the handle (2) along a central longitudinal axis (6) of the racket (1). The socket (5) comprises a first magnetic material (7) disposed within the socket (5). The racket (1) further comprises a plug (8) configured to be disposed within the socket (5). The plug (8) comprises a second magnetic material configured to be magnetically attracted to the first magnetic material (7).

The utility model discloses a brake device for a rack and pat assembly of a wire drawing machine, and relates to the technical field of brake device structures for rack and pat assemblies, an eccentric wheel is fixedly arranged on the top wall and the extending end of an arch-shaped rack, and a stand column and a fixing shaft are further fixedly arranged on a platform. A first spring is fixedly arranged on the rear end face of the stand column, a swing arm is rotationally installed on a fixing shaft, the left end of the swing arm is embedded into a groove of the channel steel from right to left, the front end face of the left end of the swing arm abuts against the first spring, and a holding block is fixedly arranged on the rear end face of the right end of the swing arm. A through hole communicated with the groove is formed in the groove bottom of the steel channel, and a second spring is arranged in the through hole in a penetrating mode and abuts against the position between the outer cylindrical face of the eccentric wheel and the rear end face of the left end of the swing arm. The utility model has the benefits that the manufacturing cost is low, and the string drawing quality of the badminton racket is improved.

The utility model relates to the field of sports equipment, in particular to an abrasion-resistant feather racket primary and secondary hole wire protecting pipe which comprises a pipe body, specifically, the pipe body for wire protection is composed of a first ring body and a second ring body, and a first penetrating pipe for threading is axially arranged in the first ring body; and a second penetrating pipe for threading is axially arranged in the second ring body, so that double wires are separated when the double wires penetrate through the pipe body, the defects existing in the use process of original double wire holes are avoided, the tearing of the wire protection pipe is reduced, and the wear resistance of the pipe body is improved. The second ring body and the first ring body can be separated and fixed through the fixing rod under the action of the positioning groove and the positioning rod, under the condition that the badminton racket is used for a long time, when any thread hole in the pipe body is abraded, the first ring body and the second ring body can be separated, and the thread hole in the pipe body is not abraded. When the pipe body is worn, the worn first penetrating pipe or the worn second penetrating pipe can be replaced or repaired, so that the whole pipe body does not need to be replaced, and the service life of the pipe body is prolonged.