TWM469095U - Alignment structure for racket frame holder of racket threading machine - Google Patents

Description

Positioning structure of the frame holder of the stringing machine

This creation is related to the frame holder of the racket stringing machine for positioning the racket, and further, in particular, the positioning structure of the frame holder of the racket stringing machine.

A tennis racket, a badminton racket, etc., which has a ring-shaped frame, and uses a flexible racquet string to woven a mesh-shaped ball striking surface in the frame, and the ball striking surface is in an appropriate degree of tension. Produce an effective hitting effect, and the player can easily control the direction of the ball after hitting the ball. The degree of tension of the ball striking surface depends on the tensile stress formed by the stretching of the racket wire when the racket wire is worn to form the ball striking surface. In order to make the racquet line easy to perform and the tensile stress value is accurate, the racquet stringing machine is generally used for the racquet stringing operation.

The racquet stringing machine is provided with three frame holders on one plate for holding the ring frame, so that the racquet can be kept in a stable position during the threading process. When the racquet stringing machine is used for the stretching and weaving operation of the racquet string, the ring-shaped frame of the racquet is respectively fixed and positioned by the above-mentioned frame holders, so as to facilitate the woven and stretched operation of the racquet line.

Since the size of the ring frame of the tennis racket and the badminton racket is different, the outer size of the frame of the tennis racket is larger than the frame of the badminton racket. When the stringing machine is used to perform the threading operation on the badminton racket, when the tennis racket is to be threaded, It is necessary to reverse the holders so that the frame of the tennis racket can be placed between the holders. Conversely, when the stringing machine is used to perform the threading operation on the tennis racket, When the badminton racket is threading, the holders need to be moved relatively close to enable the holders to effectively hold the frame of the badminton racket. Accordingly, the racket stringer is used to position the racket holder of the racket and must be able to change. The distance between each frame holder.

The M426421 patent discloses a positioning structure of a frame holder of a racquet stringing machine. As shown in the first to third figures, the positioning structure of the frame holder includes a rack (11) and a resist (12). , an operating member (13) and a spring (14), wherein the rack (11) is embedded in the platen (19) of the stringing machine, and the top edge of the rack (11) is arranged in a plurality of sheets To the ratchet (112), the columnar body (181) of the holder (18) is disposed on the top edge of the platen (19), and a cavity (182) is formed inside the body (181), the resisting member (12) Living in the chamber (182), the bottom end of the resisting member (13) forms an oblique resistance with the ratchet (112) of the rack (11), thereby positioning the retainer (18), the spring ( 15) is disposed in the chamber (182), the spring (15) is used to keep the resisting member (12) against the rack (11), and the operating member (13) is provided with a pivot (132) and The body (181) is pivotally connected to swing the resisting member (12) to release the relative resistance of the resisting member (12) to the rack (11), so that the retainer (18) can be moved.

To thread the tennis racket and adjust the positioning of the holder (18) in accordance with the size of the frame of the tennis racket, the holder (18) is moved toward the outer end of the platen (19) so that each of the threading machines The spacing between the holders (18) is enlarged, and after the holder (18) is displaced outward to the desired position, the resisting member (13) is relatively resisted by the ratchet (112), so that the holder (18) The positioning is not arbitrarily displaced in the center direction of the platen (19), and the frame can be held by the annular inner and outer edges of the frame by the adjustable frame structure (183) of the top of the body (181). When the tennis racket threading operation is completed, when the badminton racket is to be threaded, the retainer (18) is displaced toward the center of the table (19) in accordance with the size of the badminton racket frame. At this time, the operation member is pressed ( 13) urging the resisting member (12) to swing, releasing the relative resisting state of the resisting member (12) and the rack (11), thereby pushing the retainer inwardly (18), when the holder (18) is displaced to the desired position in the center direction of the platen (19), the pressing control of the operating member (13) is released, and the resisting member (12) and the rack are restored. The one-way resisting state between (11) can position the holder (18) so that each holder (18) of the stringing machine relatively holds the frame of the badminton racket.

The positioning structure of the frame holder retains the one-way ratchet (112) of the rack (11) obliquely by the resisting member (12) to position the holder (18), however, in order to cooperate with the tennis racket and the badminton When shooting the two different sizes of the frame, when the shifter (18) is changed and positioned, it is necessary to rely on the user's operating experience to judge whether the holder (18) has reached the proper positioning position, and the user is mostly difficult to operate at one time. , the holder (18) can be moved to an appropriate position, more adjustments are needed, and the holder (18) is moved toward the center of the platen (19) to accommodate the smaller badminton racket. When the frame is sized, the user must simultaneously perform the shifting operation of the holder (18) while maintaining the pressing control of the operating member (13), and the convenience of the operation can be improved.

In order to improve the positioning structure of the conventional frame holder, when the positioning of the frame with different sizes such as tennis racket and badminton racket is matched, the operation convenience of the positioning of the holder is changed. The main purpose of the present invention is to provide a racket stringing machine. The positioning structure of the frame holder can change the positioning of the frame structure for holding the frame without changing the holder, and improve the convenience of operating the holder in accordance with the difference between the tennis racket and the badminton racket.

In order to meet the intended purpose, the present invention is a positioning structure of a frame holder of a racquet stringing machine, comprising a base, a first bracket, a second bracket and a fastening member, wherein the base is arranged on the threading machine The first bracket and the bottom end of the second bracket are respectively pivotally connected to the base, and the first bracket and the second bracket top are respectively pivotally connected to the adjustable frame structure of the retainer. And the first bracket is parallel to the second bracket, and the positioning of the frame structure is changed according to the parallel swing of the first bracket and the second bracket, wherein the first bracket is horizontally disposed with a shaft, and the latch is at one end The second bracket is pivotally connected, and the other end extends toward the first bracket. The fastening member forms a first recess and a second recess at the bottom edge, and the first slot is adjacent to the first bracket. The second slot is adjacent to the second bracket, and the buckle member is relatively engaged with the shaft by the first slot or the second slot, thereby positioning the frame structure.

The positioning structure of the frame holder of the racquet stringing machine as described above, wherein the base is provided with two adjusting bolts, and the adjusting bolt abuts against the first bracket, thereby adjusting the positioning of the frame structure.

The positioning structure of the frame holder of the racquet stringing machine as described above, wherein the first bracket has two arms, and each of the adjusting bolts respectively abuts each of the arms.

The locating structure of the frame holder of the racquet stringing machine, wherein the bottom end of the first bracket pivots a first pivot, the first pivot pivotally connects with the base, and the first bracket is The second bracket is pivotally connected to the base, and the second bracket is pivotally connected to the base, so that the second bracket is pivotally connected to the base.

The first bracket and the second bracket are swinged in parallel by the base, the first bracket, the second bracket and the frame structure, and the positioning of the frame structure is changed without changing. The holder can change the positioning of the frame structure for holding the frame, and improve the convenience of operating the holder in accordance with the difference between the tennis racket and the badminton racket.

[study]

(11)‧‧‧Racks

(112)‧‧‧ Ratchets

(12)‧‧‧Responsible parts

(13)‧‧‧Operating parts

(132)‧‧‧ pivot

(14) ‧ ‧ spring

(18)‧‧‧Retainer

(181)‧‧‧Ontology

(182) ‧ ‧ ‧ room

(183)‧‧‧ Framed construction

(19)‧‧‧ board

[this creation]

(20) ‧ ‧ pedestal

(22)‧‧‧Adjustment bolts

(30)‧‧‧First bracket

(31)‧‧‧ shaft

(32)‧‧‧First pivot

(34) ‧ ‧ arm

(40) ‧‧‧second bracket

(42) ‧‧‧Second pivot

(50) ‧‧‧Retaining parts

(52) ‧‧‧First slot

(54)‧‧‧Second inlay

(80)‧‧‧ Framed construction

(90)‧‧‧ board

The first figure is the M426421 patent, which discloses the three-dimensional structure of the frame holder of the racket stringing machine. Figure.

The second figure, the M426421 patent, discloses an exploded perspective view of the positioning structure of the frame holder of the racquet stringing machine.

The third figure is a partial cross-sectional view showing the positioning structure of the frame holder of the racket stringing machine.

The fourth figure is a perspective view of the present embodiment.

The fifth drawing is an exploded perspective view of the present embodiment.

The sixth drawing is a side cross-sectional view (1) of the present embodiment, showing the state in which the frame of the tennis racket is held.

Figure 7 is a side cross-sectional view of the present embodiment (2) showing the state of the frame holding the badminton racket.

As shown in the fourth to sixth figures, the positioning structure embodiment of the frame holder of the racquet stringing machine comprises a base (20), a first bracket (30) and a second bracket (40). And a holding member (50), wherein the base (20) is disposed on the platen (90) of the stringing machine, and the bottom ends of the first bracket (30) and the second bracket (40) and the base respectively (20) pivotally, the top ends of the first bracket (30) and the second bracket (40) are respectively pivotally connected to the adjustable frame structure (80) of the holder, and the first bracket (30) and the second bracket The brackets (40) are parallel, and since the frame structure (80) is the same as those of the prior art, it is familiar to those skilled in the relevant art, and the technical features of the present invention are not necessarily related, and the frame structure is not detailed. The specific structure, according to which the base (20), the first bracket (30), the second bracket (40) and the frame structure (80) constitute a parallel four-bar linkage mechanism, by the first The parallel swing of the bracket (30) and the second bracket (40) changes the positioning of the frame structure (80), and the first bracket (30) is horizontally disposed with a shaft (31), one end of the holding member (50) is pivotally connected to the second bracket (40), and the other end extends toward the first bracket (30), and the holding member (50) forms a first inlay at the bottom edge. a slot (52) and a second slot (54), and the first slot (52) is adjacent to the first bracket (30), the second slot (54) is adjacent to the second bracket (40), The latching member (50) is relatively engaged with the shaft (31) by the first recessed groove (52) or the second recessed groove (54), so that the retaining member (50) is attached to the first bracket ( 30) and the second bracket (40) forms a restriction for positioning the frame structure (80).

As shown in the sixth figure, when the plurality of holders are relatively fixed to the ring-shaped frame (not shown) of the tennis racket, the first bracket (30) and the second bracket (40) are respectively according to the bottom end thereof. Centering on the pivotal connection of the base (20), and swinging in the direction of the outer edge of the platen (90), the distance between the frame structures (80) of each of the holders can be enlarged, and the buckle is Holding the shaft (31), the shaft (31) is inserted into the second slot (54), and the first bracket (30) is coupled to the first bracket (30) by the holding member (50) The second bracket (40) prevents the first bracket (30) and the second bracket (40) from swinging, thereby positioning each of the frame structures (80) to form a frame structure of each of the holders (80) ) It is possible to hold the frame of the tennis racket separately to facilitate the threading operation of the tennis racket.

As shown in the seventh figure, when a plurality of holders are relatively fixed to the ring frame of the badminton racket (not shown), since the frame of the badminton racket is smaller than the frame of the tennis racket, the buckle is turned (50) disengaging the shaft (31) from the second recess (54), and then swinging the first bracket (30) and the second bracket (40) toward the center of the platen (90) , the distance between the frame structures (80) of each of the holders can be reduced, and the holding member (50) is fastened to the shaft (31), and the shaft (31) is embedded in the first embedded portion. The first bracket (30) and the second bracket (40) are coupled to the first bracket (30) and the second bracket (40) by the fastening member (50), so that the first bracket (30) and the second bracket (40) cannot be swung Actuating, and further positioning each of the frame structures (80), so that the frame structure (80) of each of the holders respectively holds the frame of the badminton racket. In order to facilitate the badminton racket's threading work.

As shown in the fourth to sixth figures, a first pivot (32) is pivoted to the bottom end of the first bracket (30), and the first pivot (32) is pivotally connected to the base (20). The first bracket (30) is pivotally connected to the base (20), and the first bracket (30) is reciprocally pivoted according to the first pivot (32), and the bottom end of the second bracket (40) A second pivot (42) is pivoted, the second pivot (42) is pivotally connected to the base (20), and the second bracket (40) is pivotally connected to the base (20), and the The second bracket (40) is reciprocally oscillated according to the second pivot (42).

The first bracket (30) has two arms (34), and the base (20) is provided with two adjusting bolts (22), and each of the adjusting bolts (22) respectively abuts each of the arms (34). This adjusts the positioning of the frame structure (80) of the holder, and improves the positioning convenience of the holder on the platen (90).

After the plurality of holders for holding the frame are respectively mounted on the platen (90) of the stringing machine, the adjusting bolt (22) is rotated, and the first bracket (30) and the second bracket (40) are rotated back and forth. The micro-swing can make the frame structure (80) move slightly before and after, and the relative distance and positioning of the frame structures (80) of the holders can be finely adjusted with the frame to reduce the base. The seat (20) is disposed on the positioning precision of the platen (90) to improve the positioning convenience of the holder on the platen (90).

(20) ‧ ‧ pedestal

(22)‧‧‧Adjustment bolts

(30)‧‧‧First bracket

(31)‧‧‧ shaft

(34) ‧ ‧ arm

(40) ‧‧‧second bracket

(50) ‧‧‧Retaining parts

(80)‧‧‧ Framed construction

(90)‧‧‧ board

Claims (4)

The positioning structure of the frame holder of the racquet stringing machine comprises a base, a first bracket, a second bracket and a holding member, wherein the base is disposed on the platen of the stringing machine, the first bracket The bottom of the second bracket is pivotally connected to the base, and the first bracket and the second bracket are respectively pivotally connected to the adjustable frame structure of the holder, and the first bracket is parallel to the second bracket. According to the parallel swing of the first bracket and the second bracket, the positioning of the frame structure is changed, the first bracket is horizontally disposed with a shaft, and one end of the buckle is pivotally connected to the second bracket, and the other end is opposite to the first bracket a bracket extending, the buckle forming a first slot and a second slot at the bottom edge, and the first slot is adjacent to the first bracket, the second slot is adjacent to the second bracket, the buckle By the first or the second recess, the shaft is relatively engaged with the shaft, and the frame structure is positioned accordingly. The positioning structure of the frame holder of the racquet stringing machine according to the first aspect of the invention, wherein the base is provided with two adjusting bolts, the adjusting bolt abuts against the first bracket, and the frame is adjusted accordingly The positioning of the construct. The positioning structure of the frame holder of the racquet stringing machine according to the second aspect of the invention, wherein the first bracket has two arms, and each of the adjusting bolts respectively abuts each of the arms. The positioning structure of the frame holder of the racquet stringing machine according to the first aspect of the invention, wherein the first bracket pivots a first pivot, and the first pivot is pivotally connected to the base. The second bracket is pivotally connected to the base, and the second pivot is pivotally connected to the base. The second pivot is pivotally connected to the base, and the second bracket is pivotally connected to the base. .