CN2127629Y

CN2127629Y - Integrally-forming structure jof metal racket throat

Info

Publication number: CN2127629Y
Application number: CN92227590U
Authority: CN
Inventors: 张成宗
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-07-15
Filing date: 1992-07-15
Publication date: 1993-03-03
Anticipated expiration: 2002-07-15

Abstract

The utility model relates to integrally-forming structure of metal racket throat, in which, a mental pipe is bent into a racket frame to make the racket frame form into a throat and a handle which are connected with a grab handle; a connecting bridge which is made of metal crosses the throat; the connecting bridge is connected with the racket frame made of metal; chopped fiber material is used to inject mould, and the formed plastic layer is used to cover the throat of the racket frame and extend the whole throat. The integrally smooth connection without connecting gap is formed by the covering of the plastic layer, which makes the integral appearance of the throat of the metal racket beautiful.

Description

Integrally-forming structure jof metal racket throat

The utility model relates to a kind of Metal racket, particularly relates to a kind of Metal racket throat integrated formed structure.

Metal racket structure is in the past bent with metal tube (as aluminium-alloy pipe), consults shown in Figure 1ly, and the shank that forms racquet frame, throat and metal tube butt joint is for connecting handle; The connection bridge of another plastic cement system across throat, and is made and connects the bridging frame of receiving, will connect bridge and racquet frame is spirally connected fixing by screw.

The Metal racket that metal tube bending is in the past made, connecting bridge is all made by plastic cement, simultaneously because plastic cement connects the intensity difference of bridge far beyond aluminium alloy racket frame, the connection bridge is easy to racquet frame cause joint built on the sand because plastic cement is connected bridge compressive deformation, damage or insufficient strength and can't fasteningly screws togather so screw is spirally connected; Because plastic cement connects the intensity difference of bridge far beyond aluminium alloy racket frame, when wearing netting twine and adjusting netting twine, netting twine strains at and is easy to cause connection bridge (weak strength) to damage simultaneously.

Main purpose of the present utility model, be that a kind of Metal racket throat integrated formed structure is being provided, it is to be fastenedly connected with metal connection bridge and metal racquet frame, make even coated ball frame and throat with plastic cement jetting plastic layer, make racquet frame form the practical effect that throat has good bond strength, and the whole outer one that forms is connected, no seam reaches advantage attractive in appearance.

A kind of Metal racket of the present utility model throat integrated formed structure, be earlier metal tube to be bent into racquet frame and throat and shank, with metal connection bridge across throat and connect racquet frame, and be connected with metal racquet frame by metal connection bridge, and be connected to form fixing and drawing effect with two rivets or two blind rivets, the throat of racquet frame is gained in strength with metal bond, reaching with the plastic layer is plastic cement or composite (short fiber material), make even coated ball frame of plastic layer and throat with ejection formation, make racquet frame and throat form the no seam of one connection and make the whole connection of Metal racket throat outer attractive in appearance.

Below by most preferred embodiment and accompanying drawing the one-body molded structure of Metal racket of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is the part cutaway view of Metal racket throat in the past.

Fig. 2 is the part exploded view of the utility model preferred embodiment.

Fig. 3 be the utility model preferred embodiment racquet frame be connected the part cut-away view that spanning connects.

Fig. 4 is the part cut-away view of the binder course coating racquet frame of the utility model preferred embodiment.

The one-body molded structure of a kind of Metal racket throat of the present utility model please cooperate and consult shown in Fig. 2,3, comprises racquet frame (20), connects bridge (30), binder course (40).

Racquet frame (20) is with the metal tube bending forming, its two ends are gradually near being combined to form throat's framework (21), throat's framework (21) also makes the punching press of metal tube upper and lower sides form groove (22), throat's framework (21) is distolateral and be extended with two free ends (23), suitable length is extended in free end (23) and closing makes socket shank (24), and shank (24) and socket handle (25) use for gripping.

Connecting bridge (30) is that metal enhancing sheet (31) is across throat's framework (21), strengthen sheet (31) two avris and form and be the both sides rib (32) that protrudes shape, strengthen the two ends of sheet (31) and be bent to form two abutting ends (33) according to the radian of throat's framework (21), can fit the just medial surface of throat's framework (21) of abutting end (33), again with two rivets (34) by throat's framework (21) outside riveted and affixed abutting end (33).

Binder course (40) is located at the frame portion of throat (21) and the both sides thereof of racquet frame (20) and is extended the suitable length scope, penetrate integrated clad (41) with plastic cement or short fiber with Jet forming machine, clad (41) coating racquet frame (20) side face suitable thickness also is packed into groove (22) formation clamping block (42), and clad (41) extends to shank (24) and handle (25) joint and makes formation overlapping; Clad (41) also forms socket layer (43) coating enhancing sheet (31) and forms the blocking combined structure with limit rib (32).

The above is the general introduction of the position of the one-body molded structure of the utility model Metal racket throat and the structure that is associated thereof; Secondly, the one-body molded structure of the utility model Metal racket throat expect the effect statement of reaching as after:

The utility model is by above-mentioned structure, be to utilize the metal enhancing sheet (31) that connects bridge (30) to be connected during its combination with throat's framework (21) of racquet frame (20), and can by rivet (34) or blind rivet will strengthen sheet (21) engage ball frame (20) form push against mutually affixed, connect the affixed racquet frame of bridge (30) (20), all be to improve with the affixed bond strength that makes of metal, strengthen the side of sheet (31) and form the limit rib (32) that prolongs that intensity is increased, make to connect the drawing strength that bridge (30) has enough strength support racquet frame (20) threading; It all is engaging of metal with racquet frame (20) that the utility model connects bridge (30), good far beyond the intensity that engages with plastic cement in the past, and connection bridge (30) and racquet frame (20) contact site form brute force and compress and engage and have a good bond strength.

Please cooperate and consult Fig. 3, shown in 4, clad (41) coating racquet frame (20) is extended suitable length to both sides, the clamping block (42) of clad (41) is packed into groove (22) and forms chimeric affixed, socket layer (43) coating strengthens sheet (31) and forms blocking with fin (32) and combine and prevent disengaging, moreover clad (41) and socket layer (43) can increase and decrease thickness according to need and coat area, make binder course (40) be positioned at connection bridge (30) and form the mild shape that is connected, do not have and form the inaesthetic defective of section difference in the past in the junction with racquet frame (20) contact site; Make binder course (40) coating racquet frame (20) and enhancing sheet (11) form the thick coating of one deck meat, binder course (40) is subjected to groove (22) and fin (32) blocking, makes whole affixed intensity and also preferable in conjunction with securement strength; Moreover belt for handle tightly is coated and fixed handle (25) and binder course (40) overlapping part and can't breaks away from.

Binder course (40) coating racquet frame (20) and throat's framework (30) make the whole outer one that forms connect no seam, and binder course (40) is that plastic cement or composite (short fiber material) are provided with the ejection formation manufacturing; Binder course (40) extends to racquet frame (20) appropriate location, then the distolateral benefit of binder course (40) soil can be ground again, repair to make and be smooth engagement racquet frame (20) surface, makes global shape attractive in appearance; Binder course (40) extends to shank (24) and handle (25) joint, and make binder course (40) and handle (25) form overlapping so that distolaterally can mend soil, and can twine handle (25) and form tight the connection with protheca by belt for handle, belt for handle can coat binder course (40) with handle (25) overlapping part simultaneously can not influence overall appearance.

The utility model also can cooperate binder course (40) evenly coated ball frame (20) and throat's framework (30), shank (24) and the gap that forms between throat's framework (30) docks can be filled up when binder course (40) plastic cement penetrates to be formed solidly, and binder course (40) is at the joint face (44) of the space, bottom side of throat's framework (30) formation plastic cement simultaneously; So can eliminate in the past and form the inaesthetic defective of hole in bending shank sealing-in position with aluminium alloy racket; Binder course (40) can be different types of graceful moulding by the characteristics design of plastic cement mould also, can make the shape of frame do multiple variation, and changes the shape of conventional aluminum alloy frame dullness.

In sum, Metal racket of the present utility model throat integrated formed structure, being made of metal racket forms throat's framework and is tight connection with being connected the bridge combination and making, by the binder course coating and profile engages no paragraph gently, be firm combination with being connected bridge by the coating throat framework of binder course.

Claims

1, a kind of Metal racket throat integrated formed structure, it is that metal tube is bent to form racquet frame, is formed with throat's framework on the racquet frame and is combined with the connection bridge; It is characterized in that: the upper and lower sides of throat's framework is provided with groove; Connecting bridge is with metal enhancing sheet, strengthens the sheet dual-side and is formed with the limit rib that projection prolongs, and the two ends of enhancing sheet are formed with abutting end according to the radian of throat's framework, and abutting end and throat's framework are closely fixed mutually; Described Metal racket throat integrated formed structure also includes binder course, binder course is to adopt the clad of plastic cement with the one-body molded ejaculation of Jet forming machine, clad coating racquet frame, clad also is formed with socket layer, socket layer coats to strengthen sheet and form blocking with the limit rib and combines, and clad and socket layer can increase and decrease thickness according to need and coat area.

2, a kind of Metal racket as claimed in claim 1 throat integrated formed structure, it is characterized in that: described binder course is to adopt short fiber.