CN206187140U

CN206187140U - Tyre fixing device

Info

Publication number: CN206187140U
Application number: CN201621173635.2U
Authority: CN
Inventors: 殷吉华; 王国庆; 韦逸铭
Original assignee: Changshu Tongrun Auto Accessory Co Ltd
Current assignee: Changshu Tongrun Auto Accessory Co Ltd
Priority date: 2016-10-26
Filing date: 2016-10-26
Publication date: 2017-05-24
Anticipated expiration: 2026-10-26

Abstract

The utility model discloses a tyre fixing device for a fixed tire, tyre fixing device includes a driving medium, a stay cord, a support and a tire mounting, the stay cord both ends respectively with the driving medium with tire mounting fixed connection, the driving medium is fixed in the support, the tire buckle in the tire mounting, the driving medium includes a drive shaft, an elastic component, an eccentric wheel and a rotary disk, the drive shaft with the eccentric wheel passes through the elastic component transmission, the eccentric wheel with the rotary disk is fixed, the stay cord twine in the rotary disk outside, the rotary disk rotates and makes the stay cord drives the tire remove until with the support is contradicted will the tire is fixed. The utility model discloses a tire mounting with the support is fixed with the tire, through elastic component transmission, stay cord are twined in the wire reel outside, and messenger's tire moves steadily smooth and easy when going up and down, safe and reliable.

Description

A kind of fixing device of the tire

Technical field

The utility model is related to automobile tire external suspension bracket field, more particularly to a kind of fixing device of the tire.

Background technology

With the improvement of people ' s living standards, kart has become walking-replacing tool common during people live, people The composite indexes such as the comfortableness of configuration, performance and operation to automobile require also more and more higher, spare tyre gradually popularization and application To in auto parts machinery, in case re-type when tire breaks down.

Because tire weight is big, installation site is high, client is relatively difficult with when fixing in dismounting, and current existing tire is consolidated Device is determined typically using runner, chain drive, noise is big in operating process, chain easily blocks main or produces fracture, while when using Between rear chain more long easily get rusty, influence outward appearance and service life, dismounting is inconvenient, and anti-theft is poor.

Utility model content

In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of fixing device of the tire, its energy Solve the problems, such as the Lifting for tyre of existing fixing device of the tire without buffering, applicability be low, anti-theft is poor.

The purpose of this utility model is realized using following technical scheme：

A kind of fixing device of the tire, for fixing a tire, the fixing device of the tire include a driving member, a drawstring, One support and a tyre fitting, the drawstring two ends are fixedly connected with the driving member with the tyre fitting respectively, institute State driving member and be fixed on the support, the tire is snapped in the tyre fitting, and the driving member includes a drive shaft, one Elastic component, an eccentric wheel and a rotating disk, the drive shaft are driven with the eccentric wheel by the elastic component, the eccentric wheel Fixed with the rotating disk, the drawstring is wound in the rotating disk outside, and the rotating disk is rotated makes the drawstring drive institute Tire movement is stated to fix the tire until being contradicted with the support.

Preferably, the elastic component is strip, and two ends are snapped in the drive shaft, and centre is snapped in the bias Wheel.

Preferably, the rotating disk includes a wire spool and a drive gear, the drive gear and the wire spool Internal gear is engaged.

Preferably, the wire spool is provided with a draw-in groove, and the drawstring includes positioning piece and rope body, and the keeper is consolidated Surely the rope body is connected to, the keeper includes a round platform, and the round platform is snapped in the draw-in groove.

Preferably, the wire spool is provided with coiling wire casing and empty avoiding portion, and the keeper of the drawstring is located in empty avoiding portion, The rope body is wound in the coiling wire casing, and the keeper width is more than the coiling wire casing diameter.

Preferably, the fixing device of the tire also includes a guide-localization part, and the guide-localization part includes that one is oriented to Part, the guide is provided with a pilot hole, and the drawstring passes through the pilot hole, and the pilot hole is in arc-shaped, it is to avoid described Drawstring encounters corner angle end to be caused to damage.

Preferably, the guide-localization part also includes a guide pin bushing, and the guide pin bushing is provided with a location hole, the drawstring and institute State positioning interporal lacuna to coordinate, the guide pin bushing material is abrasive rubber.

Preferably, the tyre fitting includes that a pallet, one rotate packing ring, a spring and a retainer, the drawing Rope is fixed on the retainer, and the spring housing is located at the retainer, the both ends of the spring respectively with the rotation packing ring and The retainer is contradicted, and the rotation packing ring is contradicted with the pallet.

Preferably, the pallet inside is spherical, and the rotation packing ring is hemispherical, and the pallet rotates pad with described Circle mating spherical surfaces.

Compared to existing technology, the beneficial effects of the utility model are：By by tire buckle and the tyre fitting, The drawstring drives the tire movement until fixing the tire with support conflict, is driven by the elastic component, It is driven Lifting for tyre soft, smooth, stationarity is good.

Brief description of the drawings

Fig. 1 is the stereogram of a preferred embodiment of the utility model fixing device of the tire.

Fig. 2 is the explosive view of the driving member in fixing device of the tire shown in Fig. 1.

Fig. 3 is the explosive view of the rotating disk in fixing device of the tire shown in Fig. 1.

Fig. 4 is the explosive view of the rotating disk in fixing device of the tire shown in Fig. 1 and positioning piece.

Fig. 5 is the wire spool and the stereogram of a drawstring in fixing device of the tire shown in Fig. 1.

Fig. 6 is the sectional view of fixing device of the tire shown in Fig. 1.

Fig. 7 is the sectional view of the guide pin bushing in fixing device of the tire shown in Fig. 1.

Fig. 8 is the wire spool and the stereogram of a drawstring in fixing device of the tire shown in Fig. 1.

In figure：1st, driving member；11st, cover plate；12nd, drive shaft；13rd, elastic component；14th, eccentric wheel；15th, rotating disk；151st, around Drum；1511st, draw-in groove；1512nd, coiling wire casing；152nd, drive gear；16th, base；2nd, guide-localization part；21st, guide；211、 Pilot hole；22nd, guide pin bushing；221st, location hole；3rd, drawstring；31st, rope body；32nd, keeper；321st, round platform；4th, tyre fitting；41、 Split washer；42nd, pallet；43rd, packing ring is rotated；44th, spring；45th, retainer；5th, support.

Specific embodiment

Below, with reference to accompanying drawing and specific embodiment, the utility model is described further：

It is as shown in Figure 1 a preferred embodiment of the utility model fixing device of the tire, the fixing device of the tire includes One driving member 1, a guide-localization part 2, a drawstring 3, a tyre fitting 4 and a support 5.

As shown in Fig. 2 the driving member 1 includes a cover plate 11, a drive shaft 12, an elastic component 13, an eccentric wheel 14, The base 16 of rotating disk 15 and.The drive shaft 12 is driven with the eccentric wheel 14 by the elastic component 13, the elastic component 13 is strip, and two ends are snapped in the drive shaft 12, and centre is snapped in the eccentric wheel 14, the eccentric wheel 14 and the rotation Rotating disk 15 is fixed, and the drawstring 3 is wound in the rotating disk 15.Power between the drive shaft 12 and the eccentric wheel 14 is Transmitted by the elastic component 13, because the elastic component 13 has certain elastic and anti-shearing characteristic, make the elastic component 13 effects with transmitting torque and buffering moment torsion, make the fixing device of the tire softer, suitable when tire is lifted Freely, the comfortableness of operation is increased.

As in Figure 3-5, the rotating disk 15 include a wire spool 151 and drive gear 152, the wire spool 151 with The inboard gear of the drive gear 152 is engaged.The wire spool 151 is provided with a draw-in groove 1511, the empty avoiding of coiling wire casing 1512 and Portion, the coiling wire casing 1512 is located at the outside of the wire spool 151.The drawstring 3 is wound in the coiling wire casing 1512, described Drawstring 3 includes rope body 31 and a positioning piece 32, and the keeper 32 is located in the empty avoiding portion and is fixed with the rope body 31 Connection, more than the coiling wire casing diameter of the wire spool 15, the keeper 32 cannot be from described for the width of the keeper 32 Wire casing is passed through, and the keeper 32 is provided with a round platform 321, and the round platform 321 of the keeper 32 inserts the card of the wire spool 151 In groove 1511, one end of the drawstring 3 is set to be fixed on the rotating disk 15.

As shown in fig. 6, the guide-localization part 2 includes a guide 21 and a guide pin bushing 22.The guide 21 is provided with one Pilot hole 211, the pilot hole 211 is in arc-shaped, protects the drawstring 3 to pass through, it is to avoid the occlusion normal work of influence of the drawstring 3 Make.

As shown in fig. 7, the guide pin bushing 22 is provided with a location hole 221, the drawstring 3 coordinates with the gap of the location hole 221, The material of the guide pin bushing 22 is abrasive rubber, it is to avoid dust is entered inside the fixing device of the tire by the location hole 221, shadow Ring using effect.

The tyre fitting 4 includes that a split washer 41, a pallet 42, rotate packing ring 43, a spring 44 and and protect Hold frame 45.The drawstring 3 is fixed on the retainer 45, and fixed position is located at the spring inner ring, described with anti-theft function Spring 44 is sheathed on the retainer 45, and the two ends of the spring 3 contradict with the rotation packing ring 43 and the retainer 45 respectively, The rotation packing ring 43 is contradicted with the pallet 42.The pallet 42 be located at the split washer 41 and the retainer 45 it Between, the split washer 41 is snapped in the draw-in groove of the retainer 45 makes the pallet 42, rotation packing ring 43 and the bullet Spring 44 is fixed；The inside of the bearing support 42 is hemispherical, and the rotation packing ring 43 is hemispherical, the bearing support 42 and institute The rotation mating spherical surfaces of packing ring 43 are stated, the aspherical one end of the rotation packing ring 43 contradicts with the spring 44, and the spring 44 is another End contradicts with the retainer 45.

When assembling the fixing device of the tire, the driving member 1 and the guide-localization part 2 are fixed on the support 5, institute State the one end of drawstring 3 and be fixed on the driving member 1, the other end passes through guide-localization part 2, is connected with the tyre fitting 4, described Tire is snapped in the tyre fitting 4, the driving member 1 drawstring 3 is driven the tire movement until with the branch Frame 5 is contradicted fixes the tire.

When lifting the tire (not shown), the tire is snapped in the pallet 42 of the tyre fitting 4, the driving Axle 12 drives the eccentric wheel 14 and the rotating disk 15 to operate, and is threaded in or out the drawstring 3, drives the drawstring 3 by institute State tire to draw high or decline, stable drive is safe and reliable.

As shown in figure 8, during the fixed tire, the tire is clamped by the pallet 42 with the support 5, now due to The drive shaft 12 is driven with the eccentric wheel 14 by the elastic component 13, and the elastic component 13 recovers deformation makes the bias 14 antiports are taken turns, rotating 10 ° -50 ° around the round platform 321 of the keeper 32 makes the keeper 32 be snapped in the base 16 inner sides, so as to play " ratchet " function, simple structure, spacing reliability.

When tire is needed to use, the bearing support of the tyre fitting 4 is rotated, it is convenient through the centre bore of wheel hub Fast.

It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of the utility model claim Within the scope of.

Claims

1. a kind of fixing device of the tire, for fixing a tire, the fixing device of the tire includes a driving member, a drawstring, one Support and a tyre fitting, the drawstring two ends are fixedly connected with the driving member with the tyre fitting respectively, described Driving member is fixed on the support, and the tire is snapped in the tyre fitting, it is characterised in that：The driving member includes one Drive shaft, an elastic component, an eccentric wheel and a rotating disk, the drive shaft are driven with the eccentric wheel by the elastic component, The eccentric wheel is fixed with the rotating disk, and the drawstring is wound in the rotating disk outside, and the rotating disk rotation makes described Drawstring drives the tire movement to fix the tire until being contradicted with the support.

2. fixing device of the tire as claimed in claim 1, it is characterised in that：The elastic component is strip, and two ends are snapped in The drive shaft, centre is snapped in the eccentric wheel.

3. fixing device of the tire as claimed in claim 1, it is characterised in that：The rotating disk includes a wire spool and a driving Gear, the drive gear is engaged with the wire spool internal gear.

4. fixing device of the tire as claimed in claim 3, it is characterised in that：The wire spool is provided with a draw-in groove, the drawstring Including positioning piece and rope body, the keeper is fixedly connected on the rope body, and the keeper includes a round platform, the round platform It is snapped in the draw-in groove.

5. fixing device of the tire as claimed in claim 4, it is characterised in that：The wire spool is provided with coiling wire casing and empty avoiding Portion, the keeper of the drawstring is located in empty avoiding portion, and the rope body is wound in the coiling wire casing, and the keeper width is big In the coiling wire casing diameter.

6. fixing device of the tire as claimed in claim 1, it is characterised in that：The fixing device of the tire also includes that a guiding is fixed Position part, the guide-localization part includes a guide, and the guide is provided with a pilot hole, and the drawstring passes through the guiding Hole, the pilot hole is in arc-shaped, it is to avoid the drawstring encounters corner angle end to be caused to damage.

7. fixing device of the tire as claimed in claim 6, it is characterised in that：The guide-localization part also includes a guide pin bushing, institute State guide pin bushing and be provided with a location hole, the drawstring coordinates with the positioning interporal lacuna, and the guide pin bushing material is abrasive rubber.

8. fixing device of the tire as claimed in claim 1, it is characterised in that：The tyre fitting include a pallet, one turn Washer, a spring and a retainer, the drawstring are fixed on the retainer, and the spring housing is located at the retainer, institute State both ends of the spring to be contradicted with the rotation packing ring and the retainer respectively, the rotation packing ring is contradicted with the pallet.

9. fixing device of the tire as claimed in claim 8, it is characterised in that：The pallet inside is spherical, and described rotation is padded Enclose as hemispherical, the pallet and the rotation packing ring mating spherical surfaces.