CN102256673A

CN102256673A - Snowboard binding

Info

Publication number: CN102256673A
Application number: CN2009801518994A
Authority: CN
Inventors: 郑圣禄
Original assignee: BUZRUN CO Ltd
Current assignee: BUZRUN CO Ltd
Priority date: 2008-12-23
Filing date: 2009-01-29
Publication date: 2011-11-23
Also published as: US20110254251A1; WO2010074364A1; KR101045992B1; EP2380639A4; JP2012513281A; KR20100073560A; JP5580334B2; EP2380639A1; CA2748210A1

Abstract

The present invention relates to a snowboard binding. The snowboard binding comprises: a base, a high back, a foot cover, a first wire, and a lever. The base comprises a plate attached to the snowboard, and side walls extended vertically from both sides of the plate. The high back is installed to pivot on the side wall in the rear of the base. The foot cover is installed at a distance from the upper front of the base. The first wire connects the high back to the base and foot cover. The lever is installed to pivot on the back of the high back and moves the foot cover as the length of the first wire connecting the lever to the high back varies depending on the pivot direction, wherein the first wire connected to the high back is connected to the side facing the pivot axis. Therefore, the foot cover and high back simultaneously fix the front and rear of boots as a result of the pivoting of the lever in the locking direction, and release of the lever is prevented.

Description

Ski binding

Technical field

The present invention relates to a kind of ski binding, more specifically, relate to a kind of by lever to locking direction rotation, footmuff and high backboard fixedly ski boots front and back, simultaneously can prevent the ski binding that lever is removed arbitrarily.

Background technology

Generally, skis and the winter sports project liked of the same people of being of skiing.Must to possess skis in order skiing more enjoyably, to make foot-propelled make the shoe cover of soft ski boots, connection skis and ski boots.The kind of described shoe cover is divided into soft shoe cover (Soft Binding), is stepped on into formula shoe cover (Step-In Binding) and girdle type shoe cover (Strap-In Binding), and what use at most in the described shoe cover is exactly the band shoe cover.

Described band shoe cover as shown in Figure 1, comprising: substrate 1 is engaged in skis adjustably; Rear heel pad 2, it is incorporated into described substrate 1 adjustably to support the rear heel of described ski boots; High backboard 3, it is installed on described rear heel pad 2, supports ankle.At this moment, a side of described substrate 1 is formed with first securing member 4 and second securing member 5, and described first securing member 4 and second securing member 5 are used for the ankle and the instep of ski boots are fastened on the opposite side of substrate 1, and bracelet (buckle) is installed; First band 6 is installed the opposite side of substrate 1 and second band 7 supplies to insert the bracelet that is installed on first securing member 4 and second securing member 5 respectively.

Described band shoe cover have very close to each other well fixedly ski boots, the impact when skiing can be to the advantage of fixedly bringing any influence of ski boots, but for ski boots is fixed on fixator, each first securing member 4 and second securing member 5 should be installed in first band 6 and second band 7 respectively, therefore there is the problem that can not be fixed on fixator at short notice, and, just can connect because of carrying out identical action repeatedly, this can make troubles to wearing.

Summary of the invention

Therefore, the objective of the invention is in order to solve described existing issue point, and provide a kind of and rotate to locking direction by the lever that will be positioned at high backboard rear, thus footmuff and high backboard can be simultaneously the fixing ski binding of the front and back of ski boots.

Another object of the present invention is to, provide that a kind of first wire rod and second wire rod provide tension force with described lever with respect to locking direction when lever is set in locking, can prevent that thus the locking of lever from setting the ski binding of being removed arbitrarily.

Another object of the present invention is to, provide a kind of because the toe of footmuff and ankle are spurred by first wire rod simultaneously, therefore not only encase the forward part of ski boots, and by spurring first wire rod of described footmuff, the high backboard that is positioned at the heel of ski boots supports the heel of ski boots, thus the firmly fixing ski binding of ski boots.

And, another object of the present invention is to, provide a kind of by adjusting the length of described first wire rod respectively in both sides, the ski binding that can adjust according to user's build.

Purpose of the present invention can be reached by ski binding of the present invention, and described skis comprises: base, and it is formed with plate body and sidewall, and described plate body is close to and is incorporated into skis, and described sidewall vertically extends in described plate body both sides; High backboard, its rear portion at described base is arranged at described sidewall rotationally; Footmuff, it is to have certain distance with described base front upper part and to be provided with; First wire rod, it is connected with base described high backboard with footmuff; Lever, it is arranged at the rear portion of described high backboard rotationally; First wire rod by being connected in described high backboard and lever be connected the change of length according to rotation direction, described lever makes described footmuff move; First wire rod that is connected with the end of lever is positioned at the opposite side of the turning cylinder that is connected in described high backboard.

, preferably be inserted with spring at described first wire rod herein, the part that described spring is exposed between described base, footmuff and high backboard is to providing elastic force with described footmuff from the direction that base leaves.

And, preferably be inserted with the pipe of the elasticity distance of dwindling described spring at described first wire rod.

Under the state that the pulling direction is rotated, described first wire rod preferably applies tension force to the direction of the turned position that keeps described lever at lever.

And described base is preferably formed the passage that passes for described first wire rod in the front of described sidewall.

And described high backboard preferably forms the interface channel that passes for first wire rod respectively in central both sides.

Be preferably formed with at described footmuff: first passage, it passes for first wire rod, and first wire rod connects the passage of the both sides sidewall of described footmuff and base; Second channel, it passes for first wire rod, and first wire rod connects the passage of a side sidewall of described base and the opposite side interface channel of footmuff and high backboard; Third channel, it passes for first wire rod, and first wire rod connects the passage of opposite side sidewall of described base and a side interface channel of footmuff and high backboard.

And described lever preferably is provided with the length adjustment means of the length that is used to regulate first wire rod.

Described length adjustment unit is preferably by rotating member and external screw thread and constitute, described rotating member, side is formed with internal thread and rotatably is located at described lever within it, described external screw thread is located at the end of described first wire rod, and being coupled in the internal thread part of described rotating member, described length adjustment means is located at the two ends of first wire rod respectively.

Described length adjustment means preferably includes: moving body, in its both sides described rotating member is set rotatably, and it is concavo-convex to be formed with zigzag first in the opposite flank with described lever, and is formed with slotted hole in the mediad vertical direction; Second is concavo-convex, and it is in the concavo-convex engagement of face that described moving body is set and described moving body; Connecting elements, its slotted hole that passes described moving body is connected lever.

Preferably further comprise: second wire rod, it connects described base, high backboard and lever, prevents that high backboard from retreating at lever under the state that the pulling direction is rotated.

According to the present invention, provide lever to rotate to locking direction by being positioned at high backboard rear, thereby footmuff and high backboard can be simultaneously the fixing ski binding of the front and back of ski boots.

According to the present invention, when being provided at locking setting lever, first wire rod and second wire rod provide tension force with described lever with respect to locking direction, can prevent that thus the locking of lever from setting the ski binding of being removed arbitrarily.

According to the present invention, provide because the toe of footmuff and ankle are spurred by first wire rod simultaneously, therefore not only encase the forward part of ski boots, and by spurring first wire rod of described footmuff, the high backboard that is positioned at the heel of ski boots supports the heel of ski boots, thus the firmly fixing ski binding of ski boots.

And, the ski binding that can adjust according to user's build according to the present invention, is provided by adjusting the length of described first wire rod respectively in both sides.

Description of drawings

Fig. 1 is the perspective view of existing ski binding.

Fig. 2 is the perspective view of ski binding of the present invention.

Fig. 3 is the decomposition diagram of ski binding of the present invention.

Fig. 4 is the decomposition diagram of Fig. 2 " A1 " part.

Fig. 5 is the decomposition diagram of Fig. 2 " A2 " part.

Fig. 6 is the vertical view of ski binding of the present invention.

Fig. 7 is the side view of the lock-out state of expression ski binding of the present invention.

Fig. 8 is the side view of the state that unlocks of the lever of expression ski binding of the present invention.

Fig. 9 is the side view of rotary state of the high backboard of expression ski binding of the present invention.

Figure 10 is the front view of length adjustment means of first wire rod of ski binding of the present invention.

Figure 11 is the side view of Figure 10.

Figure 12 is the effect profile of the first wire rod length adjustment means of ski binding of the present invention.

Among the figure:

110: base, 112a, 112b: sidewall, 114a, 114b: passage, 120: high backboard, 122a, 122b: interface channel, 130: footmuff, 131: first passage, 132: second channel, 133: third channel, 140: the first wire rods, 150: lever, 151: turning cylinder, 152: the first patchholes, 153: the second patchholes, 160: the second wire rods, 170: length adjustment means, 171: moving body, 173: rotary body

The specific embodiment

When describing, in each embodiment, the composed component with identical formation is used identical symbol, be that representative describes with embodiment 1, the formation different with embodiment 1 is described in other embodiments.

Below, with reference to the ski binding of accompanying drawing detailed description according to the embodiment of the invention 1.

Among the figure, Fig. 2 is the perspective view of ski binding of the present invention, and Fig. 3 is the decomposition diagram of ski binding of the present invention, and Fig. 4 is the decomposition diagram of Fig. 2 " A1 " part, Fig. 5 is the decomposition diagram of Fig. 2 " A2 " part, and Fig. 6 is the vertical view of ski binding of the present invention.

As shown in the figure, ski binding of the present invention comprises: base 110, and it is attached to skis; High backboard 120, it is arranged at the rear portion of base 110, and supports the heel of ski boots B; Footmuff 130, it is arranged at the front upper part of described base 110, and supports the instep part of ski boots B; First wire rod 140, it is connected with footmuff 130 described base 110 with high backboard 120; Lever 150, it is arranged at the rear portion of described high backboard 120 rotationally, adjusts the length of described first wire rod 140; Second wire rod 160, it is connected with high backboard 120 described base 110 with lever 150, in the position of lever 150 second wire rod, 160 fixing high backboards 120 when the direction of the described footmuff of pulling is rotated; Length adjustment means 170, the rear portion that it is located at described lever 150 is used for adjusting according to the size of ski boots B the length of described first wire rod 140.

Described base 110 comprises: plate body 111, and it is close to ski boots;

Sidewall

112a, 112b, vertically extend its both sides at described plate body 111; Passage 114a, 114b, it is formed at the front end of described

sidewall

112a, 112b, passes for described first wire rod 140.Cover 115 by assembling, described base 110 forms passage 114a, the 114b that passes

sidewall

112a, 112b, the part of wherein said passage is formed at the lateral plates of

sidewall

112a, 112b, and the remaining part of described passage is formed at covers 115 medial surface, thereby forms

passage

114a, 114b; Perhaps, can also form

passage

114a, 114b at the plate face of described

sidewall

112a, 112b, assembling covers 115 herein then.

Described high backboard 120 is that the hinge axis H by the sidewall 112a that passes described base 110,112b rearward end is set up rotationally, and supports the heel of ski boots B when rotating approximate vertical; Described high backboard 120

forms interface channel

122a, 122b in the both sides of its underpart, passes for first wire rod 140; Connecting

ring

124a, 124b are formed at central both sides, pass for second wire rod 160; Support 126 is formed on central upside, to assemble described lever 150 rotationally.

Described footmuff 130 has certain distance with the front upper part with described base 110 and is provided with, and is formed with: first passage 131, and it passes for first wire rod 140 and two wing passage 114a, the 114b of described base 110 is connected; Second channel 132, it passes for first wire rod 140 and the passage 114a of the sidewall 112a of a side of described base 110 is connected with the opposite side interface channel 122b of described high backboard 120; Third channel 133, it passes for first wire rod 140 and the passage 114b of the sidewall 112b of the opposite side of described base 110 is connected with the interface channel 122a of a side of described high backboard 120.In the described footmuff 130, first passage 131 is formed at the position corresponding to the bottom of instep, promptly is formed at the position corresponding to toe, and described second channel 132 and third channel 133 are formed at the position corresponding to instep with intersecting.

Described first wire rod 140 connects described high backboard 120, base 110, footmuff 130 and lever 150, describes with the example that adopts the metal wire rod that applies in the present embodiment.And, described first wire rod 140 is provided with spirality compression spring 142 and pipe 144, described spirality compression spring 142 is located at the part that is exposed between described base 110 and the footmuff 130 and the part between the high backboard 120, described pipe 144 is used to dwindle the elasticity distance of described spring 142, thus described footmuff 130 is supported to the direction of leaving from base 110 and high backboard 120.

Described lever 150 is assembled in the rear portion of described high backboard 120 rotationally, and described lever 150 is formed with respectively: turning cylinder 151, and it is assembled in the support 126 of described high backboard 120; First patchhole 152 and second patchhole 153, it is located at the position of being left by described turning cylinder 151, inserts described first wire rod 140 and second wire rod 160 respectively.

Described second wire rod 160 is identical with described first wire rod 140, form by coated metal wire rod, the one end is fixed in a side sidewall 112a of described base 110, and the other end is fixed in the sidewall 112b of the opposite side of described base 110 via the connecting ring 124b of the opposite side of the connecting ring 124a of a side of described high backboard 120, second patchhole 153 of lever 150, described high backboard 120.

Described length adjustment means 170 is formed at the position that is communicated with first patchhole 152 of described lever 150 for the length of adjusting first wire rod 140, described length adjustment means 170 comprises: moving body 171, moving body 171 comprises the first jog 171a, and it is formed at the facing sides with described lever 150; Slotted hole 171b, it vertically forms in plate face central authorities; Mounting groove 171c, the both sides that it lays respectively at described slotted hole 171b form perforation; Gathering sill 171d, it is connected to form with mounting groove 171c above described mounting groove 171c; Second jog 172, it is formed at the plate face of described lever 150, and with the first jog 171a of described moving body 171 engagement; Rotating member 173a forms internal thread part 173a in the central, and rotatably is inserted in the mounting groove 171c of described moving body 171; External thread part 174, it is formed at the end of described first wire rod 140, and combines with the internal thread 173a screw thread of described rotating member 173; Connecting elements 175, its slotted hole 171b by described moving body 171 is connected described lever 150, and makes described moving body 171 be fixed on lever 150.

Below, the action of the embodiment 1 of described ski binding is described.

Fig. 7 is the side view of lock-out state of expression ski binding of the present invention, and Fig. 8 is the side view of the state that unlocks of the lever of expression ski binding of the present invention, and Fig. 9 is the side view of rotary state of the high backboard of expression ski binding of the present invention.

As shown in Figure 7, at the high backboard 120 at the sidewall 112a rear portion that is located at base 110 by hinge axis H rotationally when the direction of approximate vertical is stood, described footmuff 130 is spurred to base 110 by first wire rod 140, and lever 150 rotates the restriction that is subjected to second wire rod 160 to unlocking direction, promptly is subjected to the restriction of second wire rod 160 to the rotation of rear side.

The state that is provided with of first wire rod 140 is described, at one end be fixed under the state of a side of lever 150, via a side interface channel 122a of high backboard 120, the third channel 133 of footmuff 130, the opposite side passage 114b of base 110, the first passage 131 of footmuff 130, a wing passage 114a of base 110, the second channel 132 of footmuff 130 and the opposite side interface channel 122b of high backboard 120, be fixed on the opposite side (Fig. 6 reference) of lever 150 once more.

When base 110 is connected with footmuff 130, high backboard 120 and lever 150 by first wire rod 140, when lever 150 overlaps 130 direction rotation to transporting persons or goods by cart, promptly as shown in Figure 7 when locking direction rotates, first wire rod 140 that the interface channel 122a by high backboard 120 inserts first patchhole 152 of lever 150 is tightened up; At this moment, the result that lever 150 rotates is exactly that first wire rod 140 that connects between footmuff 130 and the high backboard 120 is pulled in the direction of lever 150, with the rear end side of footmuff 130 towards high backboard 120 pullings, then connect first wire rod 140 between footmuff 130 and the base 110 with the front of footmuff 130 towards base 110 pullings.

As mentioned above, because the rotation of footmuff 130 by lever 150 is pulled to high backboard 120 and base 110 sides, the therefore toe and the instep of fastening ski boots between described base 110, high backboard 120 and footmuff 130.

In addition, first patchhole 152 of the interface channel 122a of described high backboard 120 and lever 150 is that benchmark is formed at the opposite side of lever 150 to the direction of locking direction rotation with the turning cylinder 151 of lever 150.Therefore, under the state that locking direction rotates, first steel wire 140 that connects described high backboard 120 and lever 150 spurs described lever 150 to locking direction, prevent that thus lever 150 from rotating arbitrarily to the latch-release direction at described lever 150.

And, described footmuff 130 is connected under the state of base 110 and high backboard 120 and lever 150 by first wire rod 140, pipe 144 by being inserted in first wire rod, 140 outsides that are exposed between footmuff 130 and high backboard 120 and the base 110 and spring 142 keep leaving from base 110 state of predetermined space, keep by the state of elastic compression at the described spring 142 of this state.

Then, the state that second wire rod 160 is set is described, described second wire rod 160, the one end is fixed on a side sidewall 112a of base 110, via the connecting ring 124b of the opposite side of second patchhole 153 of the connecting ring 124a of a side of high backboard 120 and lever 150 and high backboard 120, be fixed in the opposite side sidewall 112b (with reference to Fig. 6) of base 110.

And, identical with described first wire rod 140, the direction that second patchhole 153 of the connecting ring 124a of described high backboard 120 and lever 150 rotates to the direction that unlocks with respect to lever 150 is that benchmark is positioned at opposite side with the turning cylinder 151 of lever 150, therefore, at described lever 150 under the state that locking direction rotates, second wire rod 160 that connects second patchhole 153 of the connecting ring 124a of described high backboard 120 and lever 150 keeps the state that is tightened up, locking direction for described lever 150 provides tension force, prevents that therefore lever 150 from random rotating to the direction that unlocks.And,, therefore prevent that described high backboard 120 from rotating backward because second wire rod 160 between base 110 and the high backboard 120 is tightened up

The unlocking of ski binding of the present invention that locked setting as mentioned above below is described then is as follows.

As shown in Figure 8, the lever 150 that is assembled in the support 126 of high backboard 120 by turning cylinder 151 rotationally rotates to the direction that unlocks (direction of arrow), then can as shorten shown in " L2 " among Fig. 8 with the distance between the interface channel 122a of first patchhole 152 of lever 150 of " L1 " expression and high backboard 120 among Fig. 7, therefore releasing is by the pulling force of the footmuff 130 of first wire rod 140.

As mentioned above, when first wire rod 140 is relaxed, reverted to original state in spring 142 elasticity of the exposed portions serve of first wire rod 140, described footmuff 130 is left from base 110 and high backboard 120 by elastic compression.

And, connect base 110, high backboard 120 and lever 150 and second wire rod 160 of the latched position of fixing high backboard 120 also shortens along with the distance of second patchhole 153 of the connecting ring 124a of high backboard 120 and lever 150 and becomes slack, high backboard 120 is that rotate freely at the center with hinge axis H.

As shown in Figure 9, under high backboard 120 rotating states, high backboard 120 is rotated fully backward, thereby separate the interval between high backboard 120 and the footmuff 130.Under this state,, therefore can carry out the insertion and the disengaging of ski boots easily because described high backboard 120 does not hinder the heel of ski boots.

The order of the locking process of aforesaid ski binding of the present invention is the reverse order of unlocking, as shown in Figure 9, and the front of base 110 is left the footmuff 130 of configuration and insert under the state of ski boots in the space be located at rotationally between the high backboard 120 of rear end side of base 110, as shown in Figure 8, high backboard 120 is rotated with after the heel that supports ski boots, as shown in Figure 7, the lever 150 at high backboard 120 rears is rotated to locking direction, when then first wire rod 140 is drawn tightly, once can form the toe and the ankle of tight ski boots forward part with described footmuff 130, and, when second wire rod 160 is drawn tightly, the latched position of described high backboard 120 is fixed.

Therefore, the present invention is by user's operating lever 150, and once therefore the fixing high backboard 160 of the footmuff 130 of ski boots forward part and ski boots s heel portion or remove this and fix, has not only and can promptly carry out dismounting, and the convenient advantage of using.

Among the figure, Figure 10 is the front view of the first wire rod length adjustment means of ski binding of the present invention, and Figure 11 is the side cross-sectional view of Figure 10, and Figure 12 is the action section figure of length adjustment means of first wire rod of the ski binding of the present invention of Figure 10.

As shown in figure 10, rotatably insert under the state of rotating member 173 at the mounting groove 171c of the moving body 171 that is disposed at lever 150 rear end side, the end that first patchhole 152 by described lever 150 is inserted in first wire rod 140 of lever 150 inboards is inserted in described rotating member 173.

At this moment, external screw thread 174 screw threads that are formed on the end of described first wire rod 140 are incorporated into the internal thread part 173a of described rotating member 173, and adjust the length of described first wire rod 140 by the direction of rotation of described rotating member 173.Described rotating member 173 is located at the both end sides of first wire rod 140 respectively and can be adjusted length, therefore can adjust the both sides of first wire rod 140 according to user's build respectively.

As shown in figure 11, described moving body 171 is fixed on lever 150 by the connecting elements 175 that passes slotted hole 171b, at this moment, the first jog 171a that is formed on the medial surface of described moving body 171 is engaged in second jog 172 of the back that is formed on lever 150, limits moving of direction up and down simultaneously.

Under this state, as shown in figure 12, make connecting elements 175 remove the constraint of moving body 171 to removing the direction rotation, then under the state that the first jog 171a of moving body 171 breaks away from from second jog 172 of lever 150, moving body 171 carries out moving of above-below direction in the scope of the slotted hole 171b of moving body 171.At this moment, two ends are limited to the mobile adjustment length of first wire rod 140 of described moving body 171 by the above-below direction of described moving body 171.

As mentioned above, first wire rod 140 of moving body 171 is fixed at two ends, when moving body 171 above-below directions move, once can adjust two ends length, when rotating member 173 rotation that makes the both sides that are arranged at moving body 171 respectively, when can adjust first wire rod 140 of both sides respectively, as mentioned above, above-below direction by moving body 171 move and the rotation of rotating member 173 can be dual adjustment length the time, can enlarge the scope of adjusting the length of first wire rod 140 in narrow region.

Interest field of the present invention is not limited to described embodiment, can embody by the embodiment with various forms in the claim scope.In not breaking away from the thought that claim scope of the present invention asked, belong to the person skilled in the art of the present invention and can be understood as deformable various scope and all belong to claim scope of the present invention.

The industrial utilization possibility

The present invention has following advantage: promptly, rotate to locking direction by the lever that will be positioned at high backboard rear, thereby footmuff and high backboard can be simultaneously the fixing front and back of ski boots.

When lever was set in locking, first wire rod and second wire rod provided tension force with described lever with respect to locking direction, can prevent that thus the locking setting of lever from being removed arbitrarily.

Because the toe of footmuff and ankle are spurred by first wire rod simultaneously, therefore not only encase the forward part of ski boots, and first wire rod by the described footmuff of pulling, the high backboard that is positioned at the heel of ski boots supports the heel of ski boots, thus firmly fixing ski boots.

And,, can adjust according to user's build by adjust the length of described first wire rod respectively in both sides.

Claims

1. ski binding is characterized in that comprising:

Base, it is formed with plate body and sidewall, and described plate body is close to and is incorporated into skis, and described sidewall vertically extends in described plate body both sides;

High backboard, its rear portion at described base is arranged at described sidewall rotationally;

Footmuff, it is to have certain distance with described base front upper part and to be provided with;

First wire rod, it is connected with base described high backboard with footmuff;

Lever, it is arranged at the rear portion of described high backboard rotationally; First wire rod by being connected in described high backboard and lever be connected the change of length according to rotation direction, described lever makes described footmuff move; First wire rod that is connected with the end of lever is positioned at the opposite side of the turning cylinder that is connected in described high backboard.

2. ski binding according to claim 1 is characterized in that:

Be inserted with spring at described first wire rod, the zone that described spring is exposed between described base, footmuff and high backboard, described spring is to providing elastic force with described footmuff from the direction that base leaves.

3. ski binding according to claim 2 is characterized in that:

Be inserted with pipe at described first wire rod, to shorten the elasticity distance of described spring.

4. ski binding according to claim 3 is characterized in that:

Under the state that the pulling direction is rotated, described first wire rod applies tension force to the direction of the turned position that keeps described lever at lever.

5. according to each described ski binding in the claim 1 to 4, it is characterized in that:

Described base is formed with the passage that passes for described first wire rod in the front portion of described sidewall.

6. ski binding according to claim 5 is characterized in that:

Described high backboard is formed with the interface channel that passes for first wire rod respectively in central both sides.

7. ski binding according to claim 6 is characterized in that:

Be formed with at described footmuff:

First passage, it passes for first wire rod, makes first wire rod connect the both sides sidewall passage of described footmuff and base;

Second channel, it passes for first wire rod, makes first wire rod connect the passage of a side sidewall of described base and the opposite side interface channel of footmuff and high backboard;

Third channel, it passes for first wire rod, makes first wire rod connect the passage of opposite side sidewall of described base and a side interface channel of footmuff and high backboard.

8. ski binding according to claim 7 is characterized in that:

Described lever is provided with length adjustment means, is used to regulate the length of first wire rod.

9. ski binding according to claim 8 is characterized in that:

Described length adjustment unit comprises rotating member and external screw thread; Described rotating member, side is formed with internal thread within it, and described rotating member rotatably is located at described lever; Described external screw thread is formed at the end of described first wire rod, and is coupled in the internal thread part of described rotating member; Described length adjustment means is located at the two ends of first wire rod respectively.

10. ski binding according to claim 9 is characterized in that:

Described length adjustment means further comprises:

Moving body; Described moving body comprises: rotating member, and it rotatably is arranged at the both sides of described moving body; Zigzag first is concavo-convex, and it is formed at the facing sides with described lever; Slotted hole, its central authorities in described length adjustment means vertically form;

Second is concavo-convex, and it is first concavo-convex be meshed of the set face of described moving body with described moving body; And

Connecting elements, its slotted hole that passes described moving body is connected in described lever.

11. ski binding according to claim 10 is characterized in that further comprising: second wire rod, it is connected with described high backboard described base with lever, prevent that described high backboard from retreating at lever when the pulling direction is rotated.