CN1073370A - Micro-oscillation type fibre reinforced plastic racket frame - Google Patents
Micro-oscillation type fibre reinforced plastic racket frame Download PDFInfo
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- CN1073370A CN1073370A CN91111727A CN91111727A CN1073370A CN 1073370 A CN1073370 A CN 1073370A CN 91111727 A CN91111727 A CN 91111727A CN 91111727 A CN91111727 A CN 91111727A CN 1073370 A CN1073370 A CN 1073370A
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- exterior layer
- layer shell
- racket frame
- fibre reinforced
- reinforced plastic
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Abstract
A kind of micro-oscillation type fibre reinforced plastic racket frame, it includes a plastic cement light wall pipe, one first exterior layer shell is coated on the leading portion that plastic cement light wall pipe outer surface is used for constituting ring frame portion and footstalk portion, one second exterior layer shell is coated on the outer surface of plastic cement light wall pipe adjacent to the first exterior layer shell, and at least one adjacent that is connected across first, second exterior layer shell made by fibre reinforced plastic, and two ends paste the enhancing top layer on each exterior layer shell abutting end end face respectively.Thus, make the fiber of racket frame ring frame portion and the fiber of footstalk portion back segment be discrete state, thus the Sasser that obstruction and absorption batting back are produced.
Description
The present invention is relevant with sporting racket frame, particularly about a kind of micro-oscillation type fibre reinforced plastic racket frame that most Sasser after the batting can be stopped in the handle front portion.
The fibre reinforced plastic racket of Xiao Shouing in the market, its framework during fabrication, generally be that carbon fiber or glass fibre textile board with many preimpregnation thermosetting resins is wound into rectangular tube, then it is inserted heating in the mould with racket shape, pressurization, make its shape curing molding, to become the embryo of racket frame according to model.That is to say, the racket frame of this kind fibre reinforced plastic has the multi-ply fibrous structure that uniformity extends along whole racket length, and the fiber of this multi-ply fibrous structure is interruptedly not extend to handle portion from encircling frame portion, therefore, the Sasser that the batting back is produced can unhinderedly be sent to handle portion from ring frame portion (being the head of racket), and this phenomenon tends to make the hand that grips racket to be subjected to athletic injury.
In order to address this problem, in No. 78201997 " can subdue the racket structure of handle concussion " novel patent case, propose recently, it is characterized in that at the handle of taking a unidirectional opening, it is linked on the main shaft of racket frame, and then plug is inserted a shock-absorbing elastomer between this two, and connects a spring between the handle bottom.With regard in theory, this structure may have the function of subduing handle concussion, but because of its complex structure, difficulty comparatively in the manufacturing, and also Sasser is just can subdue after reaching handle, therefore, in fact, its damping effect is not remarkable.In addition, the inventor is old, and just to be contained in No. 78210299 " having the racket structure of stopping the batting brisance " novel patent also be with solving foregoing problems, it is characterized in that forming plural groove at the shank of fibre reinforced plastic racket, and then on each groove, fill out and be covered with a shock-absorbing endless belt, this structure is because the fiber of its framework is not have interruptedly to extend to handle portion from encircling frame portion equally, and therefore actual damping effect is limited.
Therefore, the fibre reinforced plastic racket frame that provides a kind of microseism to swing type is provided main purpose of the present invention, and it can be decayed in a large number really and reach the Sasser at handle position at square stance from striking spot on the ball.
Another object of the present invention is to provide a kind of racket frame of fibre reinforced plastic, its footstalk position has suitable intensity and elasticity.
The fibre reinforced plastic racket frame of type is swung in microseism according to the present invention, it has a ring frame portion, and the axially extended footstalk of the end portion from this ring frame portion, it is characterized in that this racket frame includes a plastic cement light wall pipe, the one first exterior layer shell of making by fibre reinforced plastic that is coated on plastic cement light wall pipe outer surface, be used for constituting the leading portion of ring frame portion and this footstalk portion, the one second exterior layer shell of making by fibre reinforced plastic, be used for constituting footstalk portion back segment, and be coated on the outer surface of plastic cement light wall pipe, and one by fibre reinforced plastic make and enhancing top layer with preset width in mode across this first exterior layer shell and the second exterior layer shell adjacent, be covered on the end face of each exterior layer shell opposite end.Thus, can make the fiber of ring frame portion of this racket frame and the fiber of footstalk portion back segment (being holding end) be discrete state, therefore, after the batting, when reaching aforesaid fiber interrupting portion, will be subdued in large quantities the Sasser that is produced in ring frame portion, so, the reforming phenomena that this footstalk portion back segment is experienced is inevitable quite faint, therefore can overcome the defective that causes athletic injury usually easily, in addition, one deck strengthens the top layer owing to be coated with at least on this interrupting portion, and its intensity and elasticity are maintained at gratifying state.
Another characteristics of micro-oscillation type fibre reinforced plastic racket frame of the present invention are that the opposite end of this first and second exterior layer shell all has one section junction surface that is a plurality of sheets, respectively this junction surface is to stack together mutually, in order to eliminate the phenomenon that the two junction stress is concentrated.
Another characteristics of micro-oscillation type fibre reinforced plastic racket frame of the present invention are that this first and second exterior layer shell is that a predetermined interval is apart arranged, and also include a plurality of enhancing bars of making by fibre reinforced plastic, these strengthen bar and are parallel to this footstalk portion axle center, and each is at a distance of predetermined space, across interval at this first and second exterior layer shell, and its two ends are pasted on the surface of each exterior layer shell opposite end respectively, thus, this racket frame be can make except subduing the concussion, gratifying rigidity and elasticity also had more.
Characteristics again of micro-oscillation type fibre reinforced plastic racket frame of the present invention are, it includes at least one elastic buffer layers, and this elastic buffer layers is the junction that pastes at this first and second exterior layer shell.
The invention provides a kind of micro-oscillation type fibre reinforced plastic racket frame, it has a ring frame portion, and the axially extended footstalk of the end portion from this ring frame portion, it is characterized in that this racket frame includes a plastic cement light wall pipe, one is coated on plastic cement light wall pipe outer surface by what fibre reinforced plastic was made, is used for constituting the first exterior layer shell of ring frame portion and footstalk portion leading portion; One mode of being made by fibre reinforced plastic to be used for constituting footstalk portion back segment is coated on the outer surface of plastic cement light wall pipe; And at least one enhancing top layer made by fibre reinforced plastic and the tool preset width, pastes on the end face of each exterior layer shell opposite end in the mode across the first exterior layer shell and the second exterior layer shell adjacent.In structure, comprise that also first elastic buffer layers is to sandwich to be placed between at least one exterior layer shell and the enhancing top layer; The opposite end of first and second exterior layer shell is equipped with one section junction surface that is a plurality of sheets; The junction surface of each exterior layer shell stacks together mutually; First and second exterior layer shell is at a distance of a predetermined space, also include a plurality of enhancing bars of making by fibre reinforced plastic in addition to be parallel to footstalk portion axle center, and each is at a distance of the mode of the predetermined space interval across first and second exterior layer shell, and two ends paste respectively on each exterior layer shell, two strengthen the top layer, wherein the first enhancing top layer is to reach an end that respectively strengthens bar across the first exterior layer shell, and be coated on the surface of the two, the second enhancing top layer is across the second exterior layer shell and respectively increases the other end of finishing strips, and is coated on the surface of the two; Have at least two to strengthen the elasticity shock-absorbing sheet that pointing on the interval of bars has a tool predetermined length; Be coated with an elastic buffer layers on the interval of first and second exterior layer shell; Sandwich between the composition surface of at least one exterior layer shell and at least one enhancing bar and be placed with one second elastic buffer layers; Sandwich between the composition surface of at least one enhancing bar and at least one enhancement layer and be placed with one the 3rd elastic buffer layers; Elasticity shock-absorbing sheet is across the interval of first and second exterior layer shell and its two end is pasted respectively on the surface of each exterior layer shell opposite end.
Now micro-oscillation type fibre reinforced plastic racket frame of the present invention is described further by several preferred embodiments of the present invention and conjunction with figs., wherein:
Fig. 1 is the stereogram of preferred embodiment 1 of the present invention.
Fig. 2 for preferred embodiment 1 of the present invention in Fig. 1 along the cutaway view on the 2-2 direction.
Fig. 3 is the part exploded perspective view of preferred embodiment 2 of the present invention.
Fig. 4 is the stereogram of preferred embodiment 3 of the present invention.
Fig. 5 for preferred embodiment 3 of the present invention in Fig. 4 along the cutaway view on the 5-5 direction.
Fig. 6 for preferred embodiment 3 of the present invention in Fig. 4 along the cutaway view on the 6-6 direction.
Fig. 7 is the cutaway view of preferred embodiment 4 of the present invention with Fig. 6 same cross-sectional direction.
Fig. 8 is the stereogram of preferred embodiment 5 of the present invention.
Fig. 9 for preferred embodiment 5 of the present invention in Fig. 8 along the cutaway view on the 9-9 direction.
Figure 10 is the cutaway view of preferred embodiment 6 of the present invention with Fig. 9 same cross-sectional direction.
Figure 11 is the stereogram of preferred embodiment 7 of the present invention.
Figure 12 for preferred embodiment of the present invention in Figure 10 along the cutaway view on the 12-12 direction.
Figure 13 is the cutaway view of the present invention's preferred embodiment 8 with Figure 12 same cross-sectional direction.
Figure 14 for preferred embodiment 7 of the present invention in Figure 11 along the cutaway view on the 14-14 direction.
See also Fig. 1 and Fig. 2, the racket frame (10) of preferred embodiment 1,2 of the present invention has a ring frame portion (12), and one from encircling the open end axially extended footstalk portion (14) of frame portion (12).
Racket frame (10) includes a plastic cement light wall pipe (16), one is coated on the lip-deep first exterior layer shell (20) of plastic cement light wall pipe (16) by what fibre reinforced plastic was made, it is the leading portion (142) that is used for constituting ring frame portion (12) and footstalk portion (14), one mode of being made by fibre reinforced plastic with adjacent with the first exterior layer shell is coated on the second exterior layer shell (22) of plastic cement light wall pipe outer surface, it is the back segment (144) that is used for constituting footstalk portion (14), one enhancing top layer (26) is to be made by fibre reinforced plastic, across near the intersection of first and second exterior layer shell (20) (22), and two ends paste respectively on two abutting ends of each exterior layer shell (20) (22).On reality is made, be to contain to be soaked with thermosetting resin and still unhardened many fiber weavening plates are wound on the surface of plastic cement light wall pipe (16) successively, to form first and second exterior layer shell (20) (22), strengthening top layer (26) then is after aforementioned two exterior layer shells (20) (22) are reeled, reel again and be coated near the intersection of the two, again aforementioned three is inserted in the mould together at last, and pressurization, heating make its hardened forming simultaneously.
In addition, aforesaid racket frame (10) also can respectively be provided with a junction surface (201) (221) that is strip of sheet in the opposite end of first and second exterior layer shell (20) (22), and give stacked mutually, strengthening top layer (26) then is to be coated on the surface at each junction surface (201) (221), perhaps, coating enhancing top layer (26) before, paste one deck and have the elastic buffer layers (28) (as shown in Figure 3) that preset width is made by the soft plastic material.
By as can be known aforementioned, the fiber of first, second exterior layer shell (20) (22) of racket frame (10) is to be discrete state, that is to say, after racket frame (10) batting, the Sasser that produced of ring frame portion (12) when reaching the intersection of first and second exterior layer shell (20) (22) with a large amount of being subdued, therefore, the user is when gripping the back segment (142) of footstalk portion (14), the reforming phenomena of being experienced must be quite faint, therefore can avoid the generation of athletic injury effectively.
Please again referring to Fig. 4,5,6 and 7, the racket frame (30) of preferred embodiment 3,4 of the present invention has a ring frame portion (32) and a footstalk portion (34) equally.
Racket frame (30) includes a plastic cement light wall pipe (36), and first an exterior layer shell (40) of being made by fibre reinforced plastic is used for constituting the leading portion (342) that encircles frame portion (32) and footstalk portion (34); The one second exterior layer shell of being made by fibre reinforced plastic (42) is used for constituting the back segment (344) of footstalk portion (34), forms one (44) at interval between first, second exterior layer shell (40) (42); Article four, the enhancing bar (46) made of fibre reinforced plastic is arranged with 90 degree of respectively being separated by, and its two ends are pasted on the surface of each exterior layer shell (40) (42) opposite end respectively in mode across interval (44), and one first strengthen top layer (48) and strengthen an end and the first exterior layer shell (40) of bar (46) across each, and be coated on the surface of the two, one second strengthens top layer (50) strengthens the other end and the second exterior layer shell (42) of bar (46) across each, and be coated on the surface of the two, thus, can reach a large amount of decay concussions equally and involve the purpose that makes racket frame (30) keep suitable intensity and DE, in addition, for making the shock absorbing effect more remarkable, we can be between the aforementioned composition surface that respectively strengthens bar (46) and each exterior layer shell (40) (42) and respectively strengthen to sandwich at least respectively between the composition surface of bar (46) and each enhancement layer (48) (50) and be placed with elasticity shock-absorbing sheet (52) and (54) (as shown in Figure 7) that a soft plastic material is made.
Please again referring to Fig. 8,9 and 10, the racket frame (60) of preferred embodiment 5,6 of the present invention has a ring frame portion (62), a footstalk portion (64) equally.
Racket frame (60) is roughly the same with aforesaid racket frame (30) in the arrangement of structure, different is to go up at first and second formed interval of exterior layer shell (70) (72) (74) except being equipped with four to strengthen the bar (76), also strengthen between bar (76) respectively pointing has one to make and elasticity shock-absorbing sheet (78) in parallel with the soft plastic material at each, therefore, the Sasser that can more effective obstruction square stance be produced, certainly when laying respectively strengthens bar (76) and each elasticity shock-absorbing sheet (78), can or reach arrangement mode shown in Figure 10 as Fig. 9 and carry out.
At last, see also Figure 11,12,13 and 14, preferred embodiment 7 of the present invention, 8 racket frame (80) includes a plastic cement light wall pipe (81), the one first exterior layer shell of making by fibre reinforced plastic (82), the one second exterior layer shell of making by fibre reinforced plastic (84), its distance first exterior layer shell (82) has a predetermined space (86), one elastic buffer layers of being made by the soft plastic material (88) is coated at interval (86) and locates, article four, arrange with 90 degree of respectively being separated by by the enhancing bar (90) of fibre reinforced plastic moulding, and the mode (as Figure 12 or shown in Figure 13) across interval (86) pastes on the surface of each exterior layer shell (82) (84) opposite end its two ends respectively, and one first enhancement layer shell (92) make by fibre reinforced plastic, and strengthen an end and the first exterior layer shell (82) of bar (90) across each, and be coated on the surface of the two, one second enhancement layer shell (94) is made by fibre reinforced plastic equally, and strengthen the other end and the second exterior layer shell (84) of bar (90), and be coated on the surface of the two across each.
By as can be known aforementioned, the first exterior layer shell (82) constitutes the ring frame portion (100) of racket and the leading portion (104) of footstalk portion (102) thereof, and the second exterior layer shell (84) then is the back segment (106) that constitutes racket footstalk portion (102).Because non-conterminous the connecing of first and second exterior layer shell (82) (84), in other words, the fiber that is the two is discontinuous, an elastic buffer layers (88) is located and coated in the interval of the two (86) in addition, therefore, the Sasser that ring frame portion (100) batting back is produced will be spaced apart (86) in a large number and stop and elastic buffer layers (88) absorbs in the process that transmits, so the reforming phenomena of being experienced for footstalk portion (102) back segment (106) of user's gripping is inevitable quite little, so can reach the purpose of avoiding producing athletic injury.In addition; What deserves to be mentioned is, racket frame (80) is owing to be provided with four across the enhancing bar (90) of (86) is (certain at interval, each strengthens width, length and the fiber orientation of bar (90) and all can optionally arrange), and be provided with first, second and strengthen top layer (92) (94) and be coated on the head and the tail two ends that respectively strengthen bar (90), therefore, its intensity and DE can maintain a suitable level.
Claims (10)
1, a kind of micro-oscillation type fibre reinforced plastic racket frame, it has a ring frame portion, and the axially extended footstalk of the end portion from this ring frame portion, it is characterized in that, this racket frame includes a plastic cement light wall pipe, one is coated on this plastic cement light wall pipe outer surface by what fibre reinforced plastic was made, is used for constituting the first exterior layer shell of this ring frame portion and this footstalk portion leading portion; One mode of being made by fibre reinforced plastic to be used for constituting this footstalk portion back segment is coated on the outer surface of this plastic cement light wall pipe; And at least one enhancing top layer made by fibre reinforced plastic, and has preset width, pastes on the end face of each described exterior layer shell opposite end in the mode across this first exterior layer shell and this second exterior layer shell adjacent.
2, racket frame according to claim 1 is characterized in that, it also includes first elastic buffer layers, is to sandwich to be placed between at least one exterior layer shell and this enhancing top layer.
3, racket frame according to claim 1 and 2 is characterized in that, the opposite end of this first and second exterior layer shell is equipped with one section junction surface that is a plurality of sheets.
4, racket frame according to claim 3 is characterized in that, the junction surface of each described exterior layer shell stacks together mutually.
5, racket frame according to claim 1, it is characterized in that, this first and second exterior layer shell is at a distance of a predetermined space, also include a plurality of enhancing bars of making by fibre reinforced plastic in addition to be parallel to this footstalk portion axle center, and each is at a distance of the mode of the predetermined space interval across this first and second exterior layer shell, and two ends paste respectively on each described exterior layer shell, two strengthen the top layer, wherein the first enhancing top layer is the end across this first exterior layer shell and each described enhancing bar, and be coated on the surface of the two, the second enhancing top layer is the other end across this second exterior layer shell and each described enhancing bar, and is coated on the surface of the two.
6, racket frame according to claim 5 is characterized in that, has at least two to strengthen the elasticity shock-absorbing sheet that pointing on the interval of bars has a tool predetermined length.
7, racket frame according to claim 5 is characterized in that, is coated with an elastic buffer layers on the interval of this first and second exterior layer shell.
8, according to claim 5,6 or 7 described racket frames, it is characterized in that, sandwich between the composition surface of at least one exterior layer shell and at least one enhancing bar and be placed with one second elastic buffer layers.
9, according to claim 5,6 or 7 described racket frames, it is characterized in that, sandwich between the composition surface of at least one enhancing bar and at least one enhancement layer and be placed with one the 3rd elastic buffer layers.
10, racket frame according to claim 6 is characterized in that, this elasticity shock-absorbing sheet is across the interval of this first and second exterior layer shell and its two end is pasted respectively on the surface of each described exterior layer shell opposite end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91111727A CN1073370A (en) | 1991-12-21 | 1991-12-21 | Micro-oscillation type fibre reinforced plastic racket frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91111727A CN1073370A (en) | 1991-12-21 | 1991-12-21 | Micro-oscillation type fibre reinforced plastic racket frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1073370A true CN1073370A (en) | 1993-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91111727A Pending CN1073370A (en) | 1991-12-21 | 1991-12-21 | Micro-oscillation type fibre reinforced plastic racket frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1073370A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100518864C (en) * | 2004-01-23 | 2009-07-29 | 黑德技术有限公司 | Bat for ball games and manufacturing method thereof |
-
1991
- 1991-12-21 CN CN91111727A patent/CN1073370A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100518864C (en) * | 2004-01-23 | 2009-07-29 | 黑德技术有限公司 | Bat for ball games and manufacturing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |