CN209404198U - A kind of baby dining chair - Google Patents

Abstract

The utility model provides a kind of baby dining chair, including preceding foot lever, rear foot lever and seat, the seat is mounted on the top of the preceding foot lever, baby dining chair further includes connecting rod, the both ends of connecting rod are hinged with the preceding foot lever and the rear foot lever respectively, sliding seat is slidably fitted on preceding foot lever, the top of foot lever and the sliding seat are hinged after described, with respect to foot lever after the expansion of front foot bar or folding when the sliding seat is slided along preceding foot lever, telescopic on the preceding foot lever to be equipped with locking pin, rear foot lever is maintained at unfolded state for locking sliding seat by locking pin.Before locking pin is located at by the utility model in foot lever, compact-sized, volume after folding is small, and storage is convenient；Meanwhile being provided separately control knob and locking mechanism, make turning joint of the control knob far from baby dining chair, to avoid the danger of clamp hand occur when unlock, use is safer.

Description

A kind of baby dining chair

Technical field

The utility model relates to baby dining chairs, more particularly to a kind of foldable baby dining chair.

Background technique

Baby dining chair is to aid in the tool that baby forms correct eating habit, and baby, which is sitting in, to be suitble in the chair of oneself, It will not skew because sitting unstable, both hands, which can free, oneself grasps tableware, while also having tempered baby's hand, eye, brain Cooperation ability.

Existing baby dining chair is not mostly foldable, and storage is inconvenient.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of baby dining chair, can fold, compact-sized, folding Poststack occupies little space.

A kind of baby dining chair, including preceding foot lever, rear foot lever and seat, the seat are mounted on the top of the preceding foot lever, The baby dining chair further include:

Connecting rod, the both ends of the connecting rod are hinged with the preceding foot lever and the rear foot lever respectively；

Sliding seat is slidably connected on the preceding foot lever, and the top of the rear foot lever and the sliding seat are hinged, the sliding With respect to foot lever after the expansion of front foot bar or folding when seat is along the sliding of preceding foot lever；

Rear foot lever is maintained at expansion shape for locking sliding seat by locking pin, telescopic be mounted on the preceding foot lever State.

The preceding foot lever, rear foot lever, connecting rod and sliding seat constitute the deformable support for being used to support the seat.When described When sliding seat is slided at the locking pin along preceding foot lever, the relatively described preceding foot lever of the rear foot lever is angled, at rear foot lever In unfolded state, sliding seat is fixed on the preceding foot lever by locking pin, and bracket shape is fixed.Described in being left when the sliding seat When locking pin, bracket be in can deformed state, as sliding seat is along the sliding of preceding foot lever, preceding foot lever and rear foot bar cramp angle reduce, Until closing up, rear foot lever is in folding state at this time.

Preferably, at least part of the preceding foot lever is the hollow structure with accommodating cavity, in the cavity wall of accommodating cavity Through-hole is offered, the locking pin is located in accommodating cavity, and the extended through-hole of at least part of locking pin and sliding seat cooperate.

By the way that the locking pin to be arranged in the accommodating cavity of the preceding foot lever, the occupied space of locking piece can reduce, Keep dining chair after folding small in size.Locking pin, which stretches out through-hole, can be maintained at unfolded state for rear foot lever.

Preferably, the sliding seat is equipped with pilot hole, sliding seat is set on the preceding foot lever by the pilot hole, It is provided in the inner wall of the pilot hole and matches pin hole with the locking pin.

When foot lever is in unfolded state after described, the locking pin stretches out the through-hole and cooperates in the pin hole.

Preferably, being fixed with locking seat in the accommodating cavity, guide groove is provided in the locking seat, the locking pin is sliding It is dynamic to be mounted in the guide groove；The first elasticity for driving locking pin to stretch out the through-hole is additionally provided between locking seat and locking pin Part.

The position of the guide groove is corresponding with the position of the pin hole, and the guide groove guides the locking pin to stretch out institute Through-hole is stated, when the sliding seat leaves when the locking pin, the first elastic component drives locking pin to stretch out the through-hole, when described When pin hole and the opposite lead to the hole site, locking pin is protruded into pin hole, and sliding seat is fixed.

Preferably, the unlocking mechanism for driving locking pin to retract through-hole is additionally provided in the accommodating cavity, in the preceding foot lever On be equipped with the unlocking mechanism linkage control knob.

Locking pin is driven to retract through-hole by control knob, sliding seat unlock can relatively preceding foot lever sliding.

The control knob may be mounted on preceding foot lever far from manpower when at locking pin, making unlock far from turning joint, from And avoid the occurrence of the danger of clamp hand.

Preferably, the unlocking mechanism includes:

Lock is solved, the solution lock is slidably mounted in the accommodating cavity, solves lock according to different sliding positions, has The unlocked state that active force drives locking pin to retract through-hole is applied to locking pin, and releases the original state of the active force；

Second elastic component, second elastic component acts between locking seat reconciliation lock, for driving solution lock to be replied To original state；

Hauling rope, the hauling rope is connected between control knob reconciliation lock, for driving solution lock to enter unlocked state.

Finger pins control knob and pulls solution lock by hauling rope, makes to solve one side that lock slides to the accommodating cavity, drive Locking pin retracts through-hole, and solution lock is in the unlocked state.After manpower revocation, solution lock returns back under the action of the second elastic component Original state.

Preferably, the hauling rope is in preceding foot lever internal stretch.

Before hauling rope, solution lock, locking seat and locking pin are arranged inside foot lever, not only make dining chair compact-sized, and And can influence to avoid the dust in air to locking and unlocking component, extend dining chair service life.

Preferably, the locking pin be equipped with along the driving section that locking pin radially extends, the solution lock have with The driving section offsets the unlock guide surface of cooperation, pushes driving section by the unlock guide surface when solution lock slides.

When solving lock sliding, the different parts of the unlock guide surface lean with the driving section, are oriented to using unlock The variation of the different parts in face and the through-hole distance realizes that locking pin is moved along the through-hole.

Preferably, the cell wall of the guide groove is equipped with the strip-shaped hole extended along the locking pin direction of motion, the driving section Strip-shaped hole and the unlock guide surface is stretched out to offset cooperation.

When solving lock sliding, the different parts of strip-shaped hole are corresponding with the unlock guide surface, the driving section of locking pin Spatial position is determined by the relative position of strip-shaped hole and the unlock guide surface, moves locking pin along the through-hole.

Preferably, having vacancy section on the solution lock, a part of the vacancy section inner edge is led as the unlock To face.

Preferably, the direction of motion of the locking pin is first direction relative to locking seat, the movement of the solution lock Direction is second direction, and the extending direction of the unlock guide surface is third direction, and three directions are not parallel to each other.

Preferably, the first direction and second direction are mutually perpendicular to, the angle of the third direction and first direction It is 30~60 degree.

Using the above structure, the control knob needed for the pulling force for suitably pulling the hauling rope can be obtained and unlocked Displacement is more convenient unlock laborsaving.

Preferably, the solution lock is equipped with clamp bar that is positioned opposite and being located at locking seat two sides, two equal bands of clamp bar There is the vacancy section, the driving section on the locking pin has at two and each extends over the vacancy section into respective side.

Preferably, the opposite sides of the locking seat is equipped with the sliding slot extended along the solution lock direction of motion, it is described two Clamp bar is slidably fitted in corresponding sliding slot to limit locking seat and solve the relative rotation of lock.

The clamp bar is slided along the sliding slot of respective side, by the way that clamp bar is arranged in solution lock two sides, can be made described The uniform force of driving section, reduces torque, and activity is more smooth.

Preferably, the locking seat has hollow region, fixation is equipped between two clamp bars on the solution lock A part of pin, the fixed pin passes through the hollow region；

Second elastic component is in hollow region, and second elastic component one end offsets with the fixed pin, the other end with The inner wall of hollow region offsets.

Preferably, the bar length direction one of the extending direction of the hollow region and second elastic component and preceding foot lever It causing, the middle part of the fixed pin and one end of the second elastic component offset, and the hollow region is stretched out at the both ends of the fixed pin, point It is not connected on the clamp bar of corresponding side.

Preferably, the control knob is slidably mounted on the top of preceding foot lever.

By control knob along the sliding of preceding foot lever, the hauling rope is driven to pull the solution lock, realizes unlock operation.

Preferably, the baby dining chair further includes acting between rear foot lever and preceding foot lever for rear foot lever to be maintained at The locking mechanism of folding state.

The locking mechanism can be fixed on preceding foot lever or be fixed on rear foot lever, when after foot lever and preceding foot lever close up When, locking mechanism connects preceding foot lever and rear foot lever simultaneously.

Preferably, the locking mechanism includes:

The fixing sleeve being mounted on the rear foot lever；

The flexible collar being connected with the fixing sleeve for foot lever before accommodating.

When current foot lever and rear foot lever will close up, flexible collar occurs elastic deformation under the action of preceding foot lever and opens It opens, after current foot lever enters flexible collar, flexible collar restPoses, and preceding foot lever is maintained in flexible collar.

The utility model provides a kind of baby dining chair, the realization baby free to slide after locking pin is left by sliding seat The folding of dining chair, before locking pin is located in foot lever, compact-sized, volume after folding is small, and storage is convenient.Meanwhile by control knob and The position of locking pin is provided separately, and makes moving part of the control knob far from baby dining chair, to avoid clamp hand occur when unlock Danger, use are safer.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of baby dining chair；

Fig. 2 is the partial sectional view of baby dining chair in the deployed state；

Fig. 3 is the structural schematic diagram of baby dining chair in a folded configuration；

Fig. 4 is the partial sectional view of baby dining chair in a folded configuration；

Fig. 5 is the structural schematic diagram of flexible collar；

Fig. 6 is the partial schematic diagram of baby dining chair sliding seat in the deployed state；

Fig. 7 is locking pin and the explosive view of unlocking mechanism at accommodating cavity；

Fig. 8 is locking pin and the structural schematic diagram of unlocking mechanism under lock state；

Fig. 9 is the area Tu4Zhong A enlarged structure schematic diagram；

Figure 10 is preceding foot lever and control knob partial schematic diagram.

The reference numerals are as follows in figure: 1, preceding foot lever；11, through-hole；12, accommodating cavity；2, rear foot lever；3, sliding seat；31, Pilot hole；32, pin hole；33, ear slot；4, connecting rod；5, seat；51, seat plate；52, backrest；53, handrail；54, footrest；61, it locks Seat；611, the second elastic component；612, the first elastic component；613, hollow region；621, driving section；622, locking pin；63, it is oriented to Slot；64, strip-shaped hole；65, lock is solved；651, clamp bar；66, vacancy section；661, guide surface is unlocked；67, sliding slot；68, connecting hole； 69, fixed pin；7, control knob；71, towing pad；72, hauling rope；8, flexible collar；81, fixing sleeve；82, flexible collar；83, slot Mouthful；84, it is flared edge；9, plate；91, traction grooved；10, sliding pin.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It should be noted that when component be referred to as with another component " connection " when, it can directly with another component It connects or there may also be components placed in the middle.When a component is considered as " being set to " another component, it be can be directly It connects and is arranged on another component or may be simultaneously present component placed in the middle.

As shown in Figure 1 and Figure 2, a kind of baby dining chair, including preceding foot lever 1, rear foot lever 2 and seat 5, seat 5 are mounted on front foot The top of bar 1.Baby dining chair further includes connecting rod 4, and the both ends of connecting rod 4 are hinged with preceding foot lever 1 and rear foot lever 2 respectively.On preceding foot lever 1 Be slidably fitted with sliding seat 3, the top of rear foot lever 2 and the sliding seat 3 are hinged, when which slides along preceding foot lever 1 relatively before Foot lever 2 after the expansion of foot lever 1 or folding.Telescopic on preceding foot lever 1 to be equipped with locking pin 622, locking pin 622 is for locking sliding Rear foot lever 2 is maintained at unfolded state by seat 3.

Foot lever 1 was base in the past, is rocking bar with connecting rod 4, is sliding block with sliding seat 3, may be constructed slider-rocker mechanism, real The folding and expansion of foot lever 2 after now.When foot lever 2 is unfolded afterwards, preceding foot lever 1 and rear foot lever 2 form angle, support seat 5；Foot lever afterwards When 2 folding, preceding foot lever 1 and rear foot lever 2, which close up, to recline, and occupied space is reduced, convenient for storage.Locking pin 622 by with sliding seat 3 Local phase separation, the sliding of limit slippage seat 3, so that rear foot lever 2 is maintained at unfolded state.When folding, locked by mobile Rationed marketing 622, sliding seat 3 no longer can be free to slide by the restriction effect of locking pin 622, and foot lever is swung rear foot lever 2 forward, real Existing folding.

In other embodiments, as shown in Fig. 2, foot lever 1 is fixing piece in the past, sliding seat 3 can glide on relatively preceding foot lever 1 It is dynamic, connecting rod 4 can relatively before foot lever 1 swing up and down, 3 size of sliding seat is smaller, makes baby dining chair upon deployment, preceding foot lever 1, the rear foot Bar 2 and ground form stable triangular support structure.When folding, 3 upward sliding of sliding seat；4 left end of connecting rod is fixed on front foot On bar 1, right end is swung up；Foot lever 1 closes up foot lever 2 forward after simultaneously.

In other embodiments, as shown in figs. 4 and 6, at least part of preceding foot lever 1 is with the hollow of accommodating cavity 12 Structure offers through-hole 11 in the cavity wall of accommodating cavity 12, and locking pin 622 is located in accommodating cavity 12, and at least the one of locking pin 622 The extended through-hole 11 in part cooperates with sliding seat 3.Sliding seat 3 is equipped with pilot hole 31, and sliding seat 3 is arranged by the pilot hole 31 On preceding foot lever 1, it is provided in the inner wall of pilot hole 31 and matches pin hole 32 with locking pin 622.In a preferred embodiment, One end of pilot hole 31 is additionally provided with the ear slot 33 that pilot hole 31 is slid into for locking pin 622.Under folding state, the one of locking pin 622 Through-hole 11 is stretched out in part, and during the expansion of rear foot lever 2, sliding seat 3 slides to locking pin 622, and locking pin 622 is in ear slot 33 It is compressed under effect into through-hole 11, so that the process for making locking pin 622 enter pilot hole 31 is more smooth.

In other embodiments, as shown in Fig. 4, Fig. 6, Fig. 7, locking seat 61 is fixed in accommodating cavity 12, the locking seat 61 On be provided with guide groove 63, locking pin 622 is slidably mounted in the guide groove 63；Between locking seat 61 and locking pin 622 also Equipped with the first elastic component 612 for driving locking pin 622 to stretch out through-hole 11.

Be additionally provided in accommodating cavity 12 drive locking pin 622 retract through-hole 11 unlocking mechanism, be equipped on preceding foot lever 1 with The control knob 7 of unlocking mechanism linkage.In one embodiment, the top of foot lever 1 before control knob 7 is slidably mounted on.The unlock Mechanism includes the solution lock 65 being slidably mounted in accommodating cavity 12, and solution lock 65 has according to different sliding positions to locking Pin 622 applies the unlocked state that active force drives locking pin 622 to retract through-hole 11, and releases the original state of active force.Lock The second elastic component 611 for being equipped between lock 65 and solution lock 65 being driven to return back to original state is conciliate in reservation 61.Control knob 7 is conciliate There is the hauling rope 72 for driving solution lock 65 to enter unlocked state between lock 65.Hauling rope 72 prolongs in the inside of preceding foot lever 1 It stretches.

In other embodiments, as shown in Figure 7, Figure 8, locking pin 622 is equipped with the transmission radially extended along locking pin 622 Portion 621, solves the unlock guide surface 661 with the cooperation that offsets with driving section 621 on lock 65, and solution lock 65 passes through the solution when sliding It locks guide surface 661 and pushes driving section 621.The cell wall of guide groove 63 is equipped with the strip-shaped hole 64 extended along 622 direction of motion of locking pin, Strip-shaped hole 64 is stretched out in driving section 621 and unlock guide surface 661 offsets cooperation.Lock 65 will be solved along preceding by unlock guide surface 661 The axial movement of foot lever 1 is converted to locking pin 622 along the radial movement of preceding foot lever 1.

In other embodiments, as shown in fig. 7, having vacancy section 66, a part of 66 inner edge of vacancy section on solution lock 65 As unlock guide surface 661.Relative to locking seat 61, the direction of motion of locking pin 622 is first direction, solves the movement of lock 65 Direction is second direction, and the extending direction of unlock guide surface 661 is third direction, and three directions are not parallel to each other.First direction and Second direction is mutually perpendicular to, and the angle of third direction and first direction is 30~60 degree.

In other embodiments, as shown in fig. 7, solution lock 65 is equipped with folder that is positioned opposite and being located at 61 two sides of locking seat Item 651, two clamp bars 651 have vacancy section 66, and the driving section 621 on locking pin 622 has at two and each extends over into correspondence The vacancy section 66 of side.The opposite sides of locking seat 61 is equipped with the sliding slot 67 extended along solution 65 direction of motion of lock, two clamp bars 651 It is slidably fitted in corresponding sliding slot 67 to limit locking seat 61 and solve the relative rotation of lock 65.Locking seat 61 has hollow area Domain 613 solves and is equipped with fixed pin 69 between two clamp bars 651 on lock 65, and a part of the fixed pin 69 passes through hollow area Domain 613.Second elastic component 611 is in hollow region 613, and 611 one end of the second elastic component offsets with fixed pin 69, the other end with The inner wall of hollow region 613 offsets.

In other embodiments, the first elastic component 612 and the second elastic component 611 are spring.

In order to be able to maintain baby dining chair in folded state, as shown in figure 1, figure 2, figure 3, figure 4 and figure 5, baby dining chair is also wrapped It includes and acts between rear foot lever 2 and preceding foot lever 1 for rear foot lever 2 to be maintained to the locking mechanism of folding state.Locking mechanism packet The flexible collar 82 for including the fixing sleeve 81 being mounted on rear foot lever 2 and being connected with fixing sleeve 81 for foot lever 1 before accommodating.

Under the unfolded state of baby dining chair, flexible collar 8 is far from preceding foot lever 1；Under the folded state of baby dining chair, bullet Property clip 8 is close to preceding foot lever 1, and by 2 clamping of preceding foot lever 1 and rear foot lever.

In other embodiments, as shown in figure 5, flexible collar 8 includes fixing end 81 and bayonet end 82.Fixing end 81 be with The adaptable tubular of 2 cross sectional shape of foot lever afterwards, flexible collar 8 are fixed on rear foot lever 2 by fixing end 81.Bayonet end 82 is cut Face shape be it is arc-shaped, form notch 83, do not slid out of bayonet end 82 notch 83 for foot lever 1 before making, arc length is more than Semicircle.Notch 83 is slid into for convenience of preceding foot lever 1, the opening at bayonet end 82, which is equipped with, will be open the flaring extended out along 84.

In other embodiments, as shown in Figure 9, Figure 10, it is fixed with plate 9 in the inner hole of preceding 1 upper end of foot lever, along plate 9 Equipped with traction grooved 91.Control knob 7 is equipped with towing pad 71 corresponding with 91 position of traction grooved, is combined with sliding in towing pad 71 Pin 10, sliding pin 10 are slided along traction grooved 91, and sliding pin 10 is fixedly connected with hauling rope.When unlock, finger presses control knob 7, Sliding pin 10 is driven to slide along traction grooved 91, sliding pin 10 pulls hauling rope, and hauling rope drives solution lock 65 far from locking seat 61.

In other embodiments, as shown in Figure 1, seat 5 includes the seat plate 51 of foot lever upper end before being fixed on, on seat plate 51 after Side is fixed with backrest 52, and handrail 53 is fixed in front of seat plate 51, footrest 54 is fixed with below seat plate 51.

Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance Shield all should be considered as described in this specification.

Above embodiments are only to illustrate the technical solution of the utility model rather than are limited, without departing substantially from this reality In the case where novel spirit and its essence, those skilled in the art are various corresponding when that can be made according to the utility model Change and modification, but these corresponding changes and modifications all should belong to the protection model of the utility model the attached claims It encloses.

Claims (10)

1. a kind of baby dining chair, including preceding foot lever, rear foot lever and seat, which is characterized in that the seat is mounted on the front foot The top of bar, the baby dining chair further include:

Connecting rod, the both ends of the connecting rod are hinged with the preceding foot lever and the rear foot lever respectively；

Sliding seat is slidably connected on the preceding foot lever, and the top of the rear foot lever and the sliding seat are hinged, the sliding seat edge With respect to foot lever after the expansion of front foot bar or folding when preceding foot lever slides；

Rear foot lever is maintained at unfolded state for locking sliding seat by locking pin, telescopic be mounted on the preceding foot lever.

2. baby dining chair as described in claim 1, which is characterized in that at least part of the preceding foot lever is with accommodating cavity Hollow structure, offer through-hole in the cavity wall of accommodating cavity, the locking pin is located in accommodating cavity, and at least one of locking pin Extended through-hole and sliding seat is divided to cooperate.

3. baby dining chair as described in claim 1, which is characterized in that the sliding seat is equipped with pilot hole, and sliding seat passes through The pilot hole is set on the preceding foot lever, is provided in the inner wall of the pilot hole and is matched pin hole with the locking pin.

4. baby dining chair as claimed in claim 2, which is characterized in that be fixed with locking seat in the accommodating cavity, the locking seat On be provided with guide groove, the locking pin is slidably mounted in the guide groove；It is additionally provided with and drives between locking seat and locking pin Locking pin stretches out the first elastic component of the through-hole, and the solution lock machine for driving locking pin to retract through-hole is additionally provided in the accommodating cavity Structure, is equipped with the control knob with unlocking mechanism linkage on the preceding foot lever, and the control knob is slidably mounted on preceding foot lever Top.

5. baby dining chair as claimed in claim 4, which is characterized in that the unlocking mechanism includes:

Lock is solved, the solution lock is slidably mounted in the accommodating cavity, and solution lock has according to different sliding positions to lock Rationed marketing applies the unlocked state that active force drives locking pin to retract through-hole, and releases the original state of the active force；

Second elastic component, second elastic component acts between locking seat reconciliation lock, for driving solution lock to return back to just Beginning state；

Hauling rope, the hauling rope is connected between control knob reconciliation lock, described for driving solution lock to enter unlocked state Hauling rope is in preceding foot lever internal stretch.

6. baby dining chair as claimed in claim 5, which is characterized in that the locking pin is equipped with and radially extends along locking pin Driving section, the unlock guide surface solved with the cooperation that offsets with the driving section on lock, the solution lock pass through when sliding The unlock guide surface pushes driving section, and the cell wall of the guide groove is equipped with the strip-shaped hole extended along the locking pin direction of motion, described Driving section stretches out strip-shaped hole and the unlock guide surface and offsets cooperation.

7. baby dining chair as claimed in claim 6, which is characterized in that have vacancy section, the vacancy section on the solution lock A part of inner edge is as the unlock guide surface, and relative to locking seat, the direction of motion of the locking pin is first direction, institute The direction of motion for stating solution lock is second direction, and the extending direction of the unlock guide surface is third direction, and three directions are mutually not In parallel, the first direction and second direction are mutually perpendicular to, and the angle of the third direction and first direction is 30~60 degree.

8. baby dining chair as claimed in claim 7, which is characterized in that the solution lock is equipped with positioned opposite and is located at locking The clamp bar of seat two sides, two clamp bars have a vacancy section, the driving section on the locking pin have at two and each extend over into The vacancy section of respective side.

9. baby dining chair as claimed in claim 8, which is characterized in that the opposite sides of the locking seat is equipped with along solution lock fortune The sliding slot that dynamic direction extends, described two clamp bars are slidably fitted in corresponding sliding slot to limit locking seat and solve the opposite of lock Rotation, the locking seat have hollow region, are equipped with fixed pin between two clamp bars on the solution lock, the fixed pin A part passes through the hollow region；Second elastic component is in hollow region, second elastic component one end and the fixation Pin offsets, and the inner wall of the other end and hollow region offsets.

10. baby dining chair as described in claim 1, which is characterized in that the baby dining chair further include act on rear foot lever and For rear foot lever to be maintained to the locking mechanism of folding state between preceding foot lever, the locking mechanism includes:

The fixing sleeve being mounted on the rear foot lever；

The flexible collar being connected with the fixing sleeve for foot lever before accommodating.