CN111957027A

CN111957027A - Rotary locking structure of ice skate blade

Info

Publication number: CN111957027A
Application number: CN202010922254.4A
Authority: CN
Inventors: 余文良; 余亭宏; 余权洪
Original assignee: Hongwei Sporting Goods Manufacturing Zhangjiakou Co ltd
Current assignee: Hongwei Sporting Goods Manufacturing Zhangjiakou Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2020-11-20

Abstract

The invention discloses a rotary locking structure of an ice skate blade, which comprises: the support shell is arranged at the bottom of the shoe and used for fixing the ice skate blade, a slot capable of being inserted into the ice skate blade is formed in the bottom of the support shell, a first accommodating cavity capable of accommodating a clamping hook at the front end part of the ice skate blade is formed in the front end of the slot, a clamping column capable of clamping the clamping hook at the front end part of the ice skate blade is transversely arranged in the first accommodating cavity, and a second accommodating cavity capable of accommodating a clamping hook at the rear end part of the ice skate blade is formed in the rear end of the slot; the clamping hook piece is rotatably arranged in the second accommodating cavity and movably clamped with the clamping hook at the rear end part of the ice skate blade; the driving piece is connected to the clamping hook piece and used for driving the clamping hook piece to rotate; the invention provides a locking mechanism which is formed between a bracket shell and a driving piece and used for limiting the state of the driving piece.

Description

Rotary locking structure of ice skate blade

Technical Field

The invention relates to the field of ice and snow sports equipment, in particular to a rotary locking structure of an ice skate blade.

Background

With the refinement of winter olympic games, skating sports are more and more popular, and the skates can be roughly divided into three categories according to the structure and the sports characteristics: speed skating skates, figure skates, ice hockey skates.

As a violent ice-skating movement, the wear of the ice blade, especially the change of the curvature, has a great influence on the skating movement, especially as professional athletes, and the blade of the ice blade is replaced at any time during the competition in order to maintain the adhesion on the ice and the sliding speed, and the worn blade is ground to maintain the curvature of the blade.

The structure is changed to current skating shoe skates, and unable firm assurance skates are installed in sole portion usually, even can firmly install the change structure in sole portion, hardly reach the purpose of tool changing again in the operation fast, are unfavorable for the quick reliable change skates of sportsman in the midcourt to it is very complicated to change the structure for most, also can't popularize and use on the ordinary product sold in the market.

Therefore, a quick, reliable and inexpensive ice skate blade replacing mechanism is needed to solve the above problems.

Disclosure of Invention

The invention aims to provide an ice skate blade rotation locking structure for replacing an ice skate blade, which is rapid, reliable and low in cost.

In order to achieve the purpose, the invention adopts the following scheme:

an ice skate blade rotation locking structure comprising:

the support shell is arranged at the bottom of the shoe and used for fixing the ice skate blade, a slot capable of being inserted into the ice skate blade is formed in the bottom of the support shell, a first accommodating cavity capable of accommodating a clamping hook at the front end part of the ice skate blade is formed in the front end of the slot, a clamping column capable of clamping the clamping hook at the front end part of the ice skate blade is transversely arranged in the first accommodating cavity, and a second accommodating cavity capable of accommodating a clamping hook at the rear end part of the ice skate blade is formed in the rear end of the slot;

the clamping hook piece is rotatably arranged in the second accommodating cavity and movably clamped with the clamping hook at the rear end part of the ice skate blade;

the driving piece is connected to the clamping hook piece and used for driving the clamping hook piece to rotate;

a locking member formed between the bracket housing and the driving member for restricting a state of the driving member.

As a further aspect of the present invention, the hook member includes: be the vertical setting of L shape in the trip of second holding intracavity, this trip is improved level and is fixed to be equipped with a pivot, the pivot both ends run through respectively outside the support casing left and right sides lateral wall face stretches out the support casing, the driving piece connect in the pivot, the locking piece is connected pivot one side.

As a further aspect of the present invention, the driving member includes: the support shell is located on the outer wall surfaces of the left side and the right side of the second containing cavity and is provided with an inner concave first counter bore, the boss is formed in the first counter bore, and the outer side surface of the boss is provided with a strip-shaped groove.

As a further aspect of the present invention, the locking member includes: the rotary shaft is provided with a torsion spring which can keep the hook in a forward state, one end of the torsion spring is fixed on the hook, and the other end of the torsion spring is fixed on the lug.

As a further scheme of the invention, the bottom of the clamping hook is provided with a cambered surface which can facilitate the clamping hook at the rear part of the ice skate blade to be clamped in.

As a preferable aspect of the present invention, an annular third accommodating chamber is provided in the stent shell, the third accommodating chamber is formed in the second accommodating chamber, and one end of the third accommodating chamber is communicated with the second accommodating chamber.

As a preferable aspect of the present invention, the hook member includes: the arc-shaped clamping hook is arranged in the third accommodating cavity in a sliding mode, and one end of the arc-shaped clamping hook can extend into the second accommodating cavity in a sliding mode to be clamped with the clamping hook at the rear end of the ice skate blade.

As a preferable aspect of the present invention, the driving member includes: the rotating part is sleeved on the middle part of the shaft rod and can drive the arc-shaped clamping hook to slide along the third accommodating cavity.

As a preferable aspect of the present invention, the driving member further includes: bosses A are respectively and fixedly arranged at two end parts of the shaft lever, the outer wall surfaces of the left side and the right side of the bracket shell, which are positioned at the second accommodating cavity, are respectively provided with an inner concave first counter bore A, the bosses A are respectively formed in the first counter bores A, and the outer side surface of the boss A is provided with a strip-shaped groove A.

As a preferable aspect of the present invention, the rotating member includes: the middle section of the shaft lever is provided with a polygonal cylinder, the polygonal cylinder is sleeved with a driving gear, a polygonal hole which can be matched with the polygonal cylinder transversely penetrates through the left side and the right side of the axis of the driving gear, the inner wall of the circumference of the arc-shaped clamping hook is sequentially provided with a plurality of teeth, and the driving gear is meshed with the teeth.

As a preferable aspect of the present invention, the locking member includes: the wrench is hinged to one end of the shaft rod and can be folded, a stop block is fixed to one end, far away from the wrench, of the shaft rod, second counter bores are formed in the outer walls of the left side and the right side of the support shell respectively, the wrench and the stop block are rotatably arranged in the second counter bores respectively, a third counter bore capable of limiting rotation of the wrench when the wrench is folded and attached to the wall surface of the bottom of the second counter bore is communicated with the side of the second counter bore, where the wrench is accommodated on one side of the wrench, and a jacking spring is sleeved between the stop block and the wall surface of the bottom of the second counter bore, where the stop block is accommodated.

As a preferable aspect of the present invention, the locking member includes: the two ends of the U-shaped torsion spring A are fixed on the shaft lever in a penetrating manner, and the middle part of the torsion spring A is fixed on the bracket shell.

As a preferable aspect of the present invention, the shaft rod is eccentrically disposed in the second accommodating chamber with respect to the third accommodating chamber.

In summary, compared with the prior art, the invention has the beneficial effects that:

by adopting the technology, the driving piece with a simple structure can drive the clamping hook piece to rotate, so that the effect of quickly clamping and fixing the clamping hook piece on the conventional ice skate can be realized, the state of the driving piece is locked by the locking piece, the displacement of the clamping hook piece is limited, the unsafe hidden danger caused by the falling of the clamping hook piece and the ice skate hook is prevented, a quick and safe replacing mechanism is provided for a user, the structure is very simple, the production or application is very easy, and a cheap, efficient and safe structure is provided for the production and installation of the common ice skate sold on the market for replacing the ice skate.

Drawings

Fig. 1 is a perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a first embodiment of the present invention.

Fig. 3 is an enlarged view of the invention at a in fig. 2.

Fig. 4 is a perspective view of a second embodiment of the present invention.

FIG. 5 is a cross-sectional exploded view of a second embodiment of the present invention.

FIG. 6 is a schematic cross-sectional view of a second embodiment of the present invention.

Fig. 7 is an exploded view of a third embodiment of the present invention.

Fig. 8 is a partial cross-sectional view of a third embodiment of the present invention.

Fig. 9 is a schematic cross-sectional view of a third embodiment of the present invention.

Description of reference numerals: 10. a bracket housing; 11. grooving; 12. a first cavity; 13. a second accommodating cavity; 1. the front end part is clamped with a hook; 2. the rear end part is clamped with a hook; 121. clamping the column; 30. a hook member; 40. a drive member; 50. a locking member; 32. a rotating shaft; 41. a boss; 42. a first counterbore; 43. a strip-shaped groove; 51. a bump; 52. a torsion spring; 31. a hook is clamped; 20. a third accommodating cavity; 301. an arc-shaped clamping hook; 311. teeth; 411. a shaft lever; 50a, a rotating member; 4111. a polygonal cylinder; 511. a drive gear; 5111. a polygonal hole; 501. a wrench; 502. a stopper; 60. a second counterbore; 61. a third counterbore; 503. pressing the spring; 201. a long groove; 202. a guide groove; 5011. notching; 41a, a boss A; 42a, a first counterbore A; 43a, a strip groove A; 52. a torsion spring Aa.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numerals, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing the relationship of one element(s) or feature(s) to another element(s) or feature(s) in the drawings and may encompass different orientations of the device in use or operation and the orientation depicted in the drawings. The devices may be turned to different orientations (rotated 90 degrees or at other orientations) and the spatially relative descriptors used therein should be interpreted accordingly and are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings: referring to fig. 1 to 9, an ice blade rotation locking structure according to a first embodiment of the present invention is shown in fig. 1 to 3, including: the support shell 10 is mounted on the sole part and used for fixing a skate, a slot 11 capable of being inserted into the skate is formed in the bottom of the support shell 10, a first containing cavity 12 capable of containing a trip 1 at the front end part of the skate is formed in the front end of the slot 11, the first containing cavity 12 is arranged at the position, corresponding to the front sole, of the sole of the support shell 10, a trip 1 at the front end part and a trip 2 at the rear end part are respectively arranged at the top of the skate, a clamping column 121 capable of clamping the trip 1 at the front end part of the skate is transversely arranged in the first containing cavity 12, a second containing cavity 13 capable of containing the trip 2 at the rear end part of the skate is formed in the rear end of the slot 11, and the second containing cavity 13 is arranged at the position, corresponding to the heel part, of the sole; the clamping hook piece 30 is rotatably arranged in the second accommodating cavity 13, and movably clamped with the clamping hook 2 at the rear end part of the ice skate blade; the driving element 40 is connected to the hook element 30, and is used for driving the hook element 30 to rotate; a locking member 50, the locking member 50 being formed between the stand housing 10 and the driving member 40 for restricting the state of the driving member 40.

As shown in fig. 2 and 3, the hook 30 includes: be the vertical setting in of L shape trip 31 in the second holding chamber 13, the hook body part of trip 31 is backward state, and this trip 31 is improved level and is fixed and be equipped with a pivot 32, and pivot 32 is located trip 31 and leans on the third department, and a segment projecting part 3 that makes progress is left to the top of pivot 32, the both ends that pivot 32 is located the outside are run through respectively outside support shell 10 left and right sides lateral wall face stretches out support shell 10, driving piece 40 then including: fix the boss 41 of pivot 32 tip support housing 10 is located the outer wall of the left and right sides of second holding chamber 13 department is equipped with the first counter bore 42 of interior concavity respectively, two boss 41 is formed at the correspondence respectively in the first counter bore 42, 41 lateral surfaces of boss are equipped with bar groove 43, and the width in this bar groove 43 is greater than skates thickness, can use the direct card of skates to go into and rotate in this bar groove 43, thereby makes pivot 32 drives trip 31 upset backward, releases the skates rear end trip 2 of trip 31 block, so just can take out the skates from fluting 11, reaches the purpose of quick dismantlement skates.

In this embodiment, the locking member 50 includes: the torsion spring 52 capable of keeping the forward state of the hook 31 is arranged on the rotating shaft 32, the torsion spring 52 is inverted U-shaped, the middle part of the inverted U-shaped torsion spring 52 is sleeved on the upward protruding part 3 of the rotating shaft 32 towards the heel direction and serves as an anchor point, two ends of the inverted U-shaped torsion spring 52 bypass one side of the rotating shaft 32 towards the direction of the first accommodating cavity 12, the anchor point is fixed on the surface of the convex block 51 towards the heel direction, and the convex block 51 and the hook 31 are arranged on the same horizontal vertical plane.

In this embodiment, the bottom of the hook 31 is provided with an arc surface which can facilitate clamping of the rear end of the ice skate blade by the hook 2, the hook 1 at the front end of the ice skate blade is clamped into the clamping column 121 in advance, the hook 2 at the rear end of the ice skate blade is extruded upwards to enter the groove 11, the hook 31 at the bottom of the arc surface is extruded and displaced by the hook 2 at the rear end of the ice skate blade, and after the tip of the hook 2 at the rear end of the ice skate blade crosses the tip of the hook 31, the hook 31 can be reset by the torsion spring 52, so that the hook 2 at the rear end of the ice skate blade is locked, and the purpose of quick installation is achieved.

Still alternatively, as shown in fig. 4 to 6, a second embodiment of the present invention includes: the support shell 10 is installed on a sole part and used for fixing a skates, the bottom of the support shell 10 is provided with a slot 11 capable of being inserted into the skates, the front end of the slot 11 is provided with a first containing cavity 12 capable of containing a trip of the front end part of the skates, the first containing cavity 12 is arranged at the position of the support shell 10 corresponding to the front sole of the sole, the top of the skates is respectively provided with a trip 1 of the front end part and a trip 2 of the rear end part, a clamping column 121 capable of clamping the trip 1 of the front end part of the skates is transversely arranged in the first containing cavity 12, the installation is realized in a way that the trip 1 of the front end part of the skates is firstly clamped on the clamping column 121, then the trip 2 of the rear end part of the skates is inserted into the rear end part of the slot 11, at the moment, the rear end of the slot 11 is provided with a second containing cavity 13 capable of containing the trip 2 of the rear end part of the skates, and the second; a clamping hook piece 30 is further rotatably arranged in the second accommodating cavity 13, and the clamping hook piece 30 is movably clamped with the clamping hook 2 at the rear end part of the ice skate blade; the driving element 40 is connected to the hook element 30, and is used for driving the hook element 30 to rotate; a locking member 50, the locking member 50 being formed between the stand housing 10 and the driving member 40 for restricting the state of the driving member 40.

Wherein, be provided with in the support casing 10: and an annular third accommodating cavity 20, wherein the third accommodating cavity 20 is formed in the second accommodating cavity 13, one end of the left side of the third accommodating cavity 20 is communicated with the second accommodating cavity 13, and the inner circumferential wall of the inner ring of the third accommodating cavity 20 is provided with an open elongated slot 201 for communicating the inside of the third accommodating cavity 20 with the outside.

In this embodiment, the hook 30 includes: semicircular arc trip 301, this arc trip 301 slides and locates in the third holding chamber 20, and one end can slide and stretch into in the second holding chamber 13 with the mutual block of skates rear end portion trip 2, the wall still is equipped with the guide way 202 with third holding chamber 20 concentric respectively about in the third holding chamber 20, be equipped with the trip point that can block in the guide way 202 on the wall about arc trip 301 left and right sides, the arc trip 301 of being convenient for can not break away from established orbit after removing out in the third holding chamber 20.

In this embodiment, the driving member 40 includes: the rotating member 50a is sleeved on the middle portion of the shaft rod 411 and can drive the arc-shaped hook 301 to slide along the third accommodating cavity 20, and one side of the rotating member 50a contacts with the inner circular wall surface of the arc-shaped hook 301 through a long groove 201 formed in the inner circumferential wall of the inner ring of the third accommodating cavity 20, so as to drive the arc-shaped hook 301 to move.

In this embodiment, the rotating member 50a includes: a polygonal column 4111 is arranged at the middle section of the shaft 411, a driving gear 511 is movably sleeved on the polygonal column 4111, a polygonal hole 5111 which can be engaged with the polygonal column 4111 transversely penetrates left and right at the axis of the driving gear 511, the polygonal column 4111 can move left and right relative to the driving gear 511, a plurality of teeth 311 are sequentially arranged on the circumferential inner wall of the arc-shaped hook 301, the driving gear 511 penetrates an open long groove arranged on the circumferential inner wall of the inner ring of the third accommodating cavity 20 to be engaged with the teeth 311, the driving gear 511 is rotated to drive the arc-shaped hook 301 to slide along the third accommodating cavity 20, and at this time, the arc-shaped hook 301 extends out from the opening at the left end of the third accommodating cavity 20 and is engaged with the hook 2 at the rear end of the ice skate so as to fix the ice skate in the slot 11 at the bottom of the bracket shell 10, otherwise, the hook 2 at the rear end of the ice skate is released to achieve the purpose of quickly disassembling and assembling the ice skate.

Wherein, at the in-process of dismouting skates, locking piece 50 then can guarantee the polygon cylinder 4111 that axostylus axostyle 411 middle section set up can not rotate, and then the skates that the locking was adorned can not drop, and the constitution of locking piece 50 is including: a foldable wrench 501 hinged to one end of the shaft 411, the wrench 501 is a strip-shaped block (see fig. 4) in a shape of a sheet, one end of the wrench 501 is provided with a slot 5011 having a width larger than the diameter of the shaft 411, one end of the shaft 411 is hinged to the upper middle position in the slot 5011, one end of the shaft 411 far away from the wrench 501 is fixed with a stopper 502, the outer walls of the left and right sides of the bracket shell 10 are respectively provided with a second counter bore 60, the wrench 501 and the stopper 502 are respectively rotatably arranged in the second counter bore 60, a third counter bore 61 capable of limiting the rotation of the wrench 501 when the wrench 501 is folded and attached to the bottom wall surface of the second counter bore 60 is communicated beside the second counter bore 60 accommodating one side of the wrench 501, the width shape of the third counter bore 61 is the same as the shape of the hinged point of the wrench 501 and is slightly larger than the wrench 501, a jacking spring 503 is sleeved at one end of the shaft 411 between the stopper 502 and the bottom wall surface of the second counterbore 60 for accommodating the stopper 502, when the wider surface of the strip-shaped wrench 501 is in a state of being attached to the bottom wall surface of the second counterbore 60, the shaft 411 moves towards one side of the stopper 502 under the action of the jacking spring 503, at this time, the wrench 501 cannot turn over due to one side surface of the wrench being attached to the bottom wall surface of the second counterbore 60, and the third counterbore 61 can just accommodate a part of the wrench 501 away from the hinged end in a state of being attached to the bottom wall surface of the second counterbore 60, so that the rotation of the shaft 411 and the driving gear 511 can be limited, and the position of the arc-shaped hook 301 can be limited, otherwise, when the wrench 501 is turned over to the same horizontal state as the shaft 411, the wrench 501 drives the shaft 411 to generate horizontal displacement relative to the driving gear 511, after the wrench 501 is separated from the limit of the third counterbore 61, the shaft 411 can be rotated by rotating the wrench 501, so that the driving gear 511 movably sleeved on the polygonal column 4111 is rotated, the arc-shaped hook 301 slides along the third accommodating cavity 20, and the hook 2 at the rear end of the ice skate is released or locked.

In addition, as shown in fig. 7 to 9, a third embodiment of the present invention is shown, which is different from the second embodiment of the present invention, except that the driving member 40 and the locking member 50 are different, and another embodiment of the driving member 40 may further include: bosses a41a respectively and fixedly disposed at two end portions of the shaft 411, outer wall surfaces of left and right sides of the bracket housing 10 at the second accommodating cavity 13 are respectively provided with an inner concave first counter bore a42a, the bosses a41a are respectively formed in the first counter bore a42a, an outer side surface of the boss a41a is provided with a strip-shaped groove a43a, a width of the strip-shaped groove a43a is greater than a thickness of the ice skate, the ice skate can be directly clamped into the strip-shaped groove a43a to rotate, so that the shaft 411 drives the driving gear 511 movably sleeved on the polygonal column 4111 to rotate, and the rear end portion clamping hook 2 of the ice skate is released or locked, so that the ice skate can be pulled out of the open groove 11, and the purpose of quickly detaching the ice skate is achieved.

As shown in fig. 8 and 9, it is clear that the locking member 50 in the present embodiment includes: the two ends of the torsion spring A52a are fixed on the shaft 411 in a penetrating way, the middle part of the torsion spring A52a is fixed on the bracket shell 10 to form an anchor point, when the shaft 411 rotates, because the two ends of the torsion spring A52a are fixed on the shaft 411 in a penetrating way, and the other anchor point is fixed on the bracket shell 10, the torsion spring A52a deforms, when the boss A41a is loosened, the stress of the torsion spring A52a disappears, the torsion spring A52a can enable the shaft 411 to rotate and reset, and therefore the arc-shaped clamping hook 301 can be clamped into the clamping hook 2 at the rear end part of the ice skate through the synchronous rotation of the driving gear 511, and the state is kept.

Based on the second and third embodiments described above, the shaft 411 may be eccentrically disposed in the second receiving cavity 13 relative to the third receiving cavity 20, so as to reduce the size of the driving gear 511, and is more friendly to the holder of the ice skate blade for small skating shoes, and the shaft 411 may be coaxial with the third receiving cavity 20, so that the volume of the driving gear 511 is increased, but the driving gear 511 does not affect the driving of the arc-shaped hook 301, and only an open groove is required to be formed in the inner circle of the third receiving cavity 20 to allow the teeth of the arc-shaped hook 301 to leak out.

The technical scheme of the invention is simple and reliable in structure, can be widely used on the market-sold skates to a great extent, and can provide a quick, safe and reliable ice skate blade replacement structure for athletes in professional sports.

While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An ice skate blade rotation locking structure, comprising:

the support is characterized by comprising a support shell (10) which is arranged at the bottom of a shoe and used for fixing a skate, wherein a notch (11) capable of being inserted into the skate is formed in the bottom of the support shell (10), a first accommodating cavity (12) capable of accommodating a clamping hook at the front end of the skate is formed in the front end of the notch (11), a clamping column (121) capable of clamping the clamping hook at the front end of the skate is transversely arranged in the first accommodating cavity (12), and a second accommodating cavity (13) capable of accommodating a clamping hook at the rear end of the skate is formed in the rear end of the notch (11);

the clamping hook piece (30) is rotationally arranged in the second accommodating cavity (13) and movably clamped with a clamping hook at the rear end part of the ice skate blade;

the driving piece (40), the driving piece (40) is connected to the hook piece (30) and is used for driving the hook piece (30) to rotate;

a locking member (50), the locking member (50) being formed between the stand housing (10) and the driving member (40) for restricting a state of the driving member (40).

2. The ice blade rotation locking structure as claimed in claim 1, wherein the hooking member (30) comprises: be the vertical setting in of L shape trip (31) in second holding chamber (13), this trip (31) are gone up the level and are fixed and be equipped with a pivot (32), pivot (32) both ends are run through respectively outside both sides wall face and the support casing (10) of stretching out about support casing (10), driving piece (40) connect in on pivot (32), locking piece (50) are connected pivot (32) one side.

3. An ice skate blade rotation lock structure as defined in claim 2 wherein said drive member (40) comprises: fix boss (41) of pivot (32) tip support casing (10) are located the left and right sides outer wall face of second holding chamber (13) department is equipped with first counter bore (42) of interior concavity respectively, boss (41) form in first counter bore (42), boss (41) lateral surface is equipped with strip groove (43).

4. A skate blade rotation lock structure as defined in claim 3 wherein said locking member (50) comprises: the rotary shaft (32) is provided with a torsion spring (52) capable of keeping the forward state of the hook (31), one end anchor point of the torsion spring (52) is fixed on the hook (31), and the other end anchor point of the torsion spring (52) is fixed on the lug (51).

5. The ice skate blade rotation locking structure as claimed in any one of claims 2 to 4 characterized in that the bottom of the hook (31) is provided with an arc surface for the hook at the rear of the ice skate blade to be conveniently clamped.

6. The ice skate blade rotation locking structure as claimed in claim 1 characterized in that a third annular receiving chamber (20) is provided in said housing (10), said third receiving chamber (20) being formed in said second receiving chamber (13) and having one end communicating with said second receiving chamber (13).

7. The ice blade rotation locking structure as claimed in claim 6, wherein the hooking member (30) comprises: the semicircular arc-shaped clamping hook (301) is arranged in the third accommodating cavity (20) in a sliding mode, and one end of the arc-shaped clamping hook (301) can extend into the second accommodating cavity (13) in a sliding mode to be clamped with the clamping hook at the rear end of the ice skate.

8. An ice skate blade rotation lock structure as defined in claim 7 wherein said drive member (40) comprises: the shaft rod (411) is transversely arranged at the center of the third accommodating cavity (20), and the rotating piece (50 a) is sleeved on the middle part of the shaft rod (411) and can drive the arc-shaped clamping hook (301) to slide along the third accommodating cavity (20).

9. An ice skate blade rotation lock structure as defined in claim 8 wherein said drive member (40) further comprises: bosses A (41 a) are respectively and fixedly arranged at two end parts of the shaft lever (411), inner concave first counter bores A (42 a) are respectively arranged on the outer wall surfaces of the left side and the right side of the bracket shell (10) at the position of the second accommodating cavity (13), the bosses A (41 a) are respectively formed in the first counter bores A (42 a), and strip-shaped grooves A (43 a) are arranged on the outer side surfaces of the bosses A (41 a).

10. An ice skate blade rotation lock structure as defined in claim 8 or 9 wherein said rotary member (50 a) comprises: the gear rack is characterized in that a polygonal column body (4111) is arranged at the middle section of the shaft lever (411), a driving gear (511) is sleeved on the polygonal column body (4111), a polygonal hole (5111) which can be matched with the polygonal column body (4111) transversely penetrates through the axis of the driving gear (511) from left to right, a plurality of teeth (311) are sequentially arranged on the inner wall of the circumference of the arc-shaped clamping hook (301), and the driving gear (511) is meshed with the teeth (311).

11. An ice skate blade rotational locking structure as defined in claim 10 wherein said locking member (50) comprises: the wrench (501) is hinged to one end of the shaft rod (411) and can be folded, a stop block (502) is fixed to one end, far away from the wrench (501), of the shaft rod (411), second counter bores (60) are respectively arranged on the outer walls of the left side and the right side of the support shell (10), the wrench (501) and the stop block (502) are respectively rotatably arranged in the second counter bores (60), a third counter bore (61) capable of limiting rotation of the wrench (501) when the wrench (501) is folded and attached to the wall surface of the bottom of the second counter bore (60) is communicated with the side of the second counter bore (60) on one side of the wrench (501), and a jacking spring (503) is sleeved between one end of the shaft rod (411) and the wall surface of the bottom of the second counter bore (60) on which the stop block (502) is contained.

12. An ice skate blade rotational locking structure as defined in claim 10 wherein said locking member (50) comprises: and the two ends of the U-shaped torsion spring A (52 a) are fixed on the shaft lever (411) in a penetrating manner, and the middle part of the torsion spring A (52 a) is fixed on the bracket shell (10).

13. An ice skate blade rotation locking structure as claimed in any one of claims 6 to 8 characterized in that said shaft (411) is eccentrically arranged in said second housing chamber (13) with respect to said third housing chamber (20).