CN107757259B

CN107757259B - Non-inflatable tyre

Info

Publication number: CN107757259B
Application number: CN201711135891.1A
Authority: CN
Inventors: 翟明荣; 朱建鹏; 孟照宏; 宋美芹; 于胜红; 史彩霞; 安丰永; 孙远镇; 孙彬; 刘小强
Original assignee: Qingdao Doublestar Tire Industry Co Ltd
Current assignee: Qingdao Doublestar Tire Industry Co Ltd
Priority date: 2017-11-16
Filing date: 2017-11-16
Publication date: 2019-11-19
Anticipated expiration: 2037-11-16
Also published as: CN107757259A

Abstract

A kind of non-inflatable tyre, including supporter and with the mutually matched wheel rim of the supporter, the tenon of several fir-tree types is equipped on the inside of the supporter, the tenon is equipped with the tooth along the supporter circumferential direction protrusion, the wheel rim is equipped with the tongue-and-groove matched with the tenon so that the wheel rim and the supporter are fixed to each other in the supporter circumferential direction, the tongue-and-groove be equipped with can the mutually matched tooth socket of tooth with limit the supporter with the wheel rim being mutually shifted in the supporter circumferential direction.Cooperation using fir-tree type tenon and tongue-and-groove and the design of angle and size to tooth, supporter and wheel rim can be made to be fitted close, it effectively prevent too early thermal deformation to fall off, prevent wheel rim from " chewing " supporter, the setting of fixing piece can prevent the axially opposing displacement between the supporter and wheel rim, to meet the requirement of various aspects when split type non-inflatable tyre runs at high speed.

Description

Non-inflatable tyre

Technical field

The present invention relates in a kind of tire for vehicles more particularly to a kind of non-inflatable tyre.

Background technique

Non-inflatable tyre is in the practical application connecting with its wheel rim at present, be broadly divided into integral molding and split type Card slot connection, the processing of the non-inflatable tyre of integral molding and manufacturing process are complex, and existing split type card slot The non-inflatable tyre of connection is mostly that supporter is connect with wheel rim using conventional mechanicals formula connection types such as spline, dovetail grooves, such The non-inflatable tyre of connection type easily causes local mistake due to friction between supporter and wheel rim etc. when running at high speed Early thermal deformation, phenomena such as slippage, or to lose travel speed as cost, to ensure the safety and reliability of tire.

So a kind of non-inflatable tyre for the split type connection that can be used under high-speed cruising state is current this field people Member there is an urgent need to.

Summary of the invention

The present invention is in view of the above-mentioned problems, propose that a kind of split type connection that can be used under high-speed cruising state exempts to fill Air filled tyre, in order to achieve the above objectives, the technical solution adopted by the present invention are as follows:

A kind of non-inflatable tyre, including supporter and with the mutually matched wheel rim of the supporter, on the inside of the supporter Tenon equipped with several wedge shapes, the tenon are equipped with the tooth along the supporter circumferential direction protrusion, set on the wheel rim There are the tongue-and-groove matched with the tenon so that the wheel rim and the supporter are fixed to each other in the supporter circumferential direction, institute The supporter and the wheel rim can be limited in the support with the mutually matched tooth socket of the tooth by stating tongue-and-groove and being equipped with Being mutually shifted in body circumferential direction.

Preferably, the tooth include close to described wheel rim one end setting the first tooth, and with the first tooth phase Second tooth adjacent, far from the wheel rim side.

Preferably, the first groove is equipped between first tooth and the second tooth, perpendicular to the supporter axial direction side On upward section, the distance that the first tooth tooth top and the first groove slot bottom project on the median plane of the tenon radial direction is The distance that B1, the second tooth top center line and the first groove slot bottom project on the tenon median plane is B2, the B1/ B2=0.8-1.2.

Preferably, the tooth is close to the distance of the side of the wheel rim to the wheel rim along the tooth tooth root to tooth top Direction be gradually increased, the distance of side of the tooth far from the wheel rim to the wheel rim is along the tooth tooth root to tooth top Direction is gradually reduced.

Preferably, transition angle of first tooth at the tooth root of the wheel rim side is C, the transition angle C model It is trapped among between 25 ° -50 °.

Preferably, it is additionally provided on the wheel rim for limiting consolidating for the wheel rim and the axially opposing movement of the supporter Determine part.

Preferably, the fixing piece is to be fixed at wheel rim two sides, described to limit for blocking the tongue-and-groove The baffle of supporter and the axially opposing movement of the wheel rim.

Preferably, the wheel rim be equipped with passed through for bolt, the bolt hole for fixing the baffle, the baffle with The wheel rim is bolted to connection.

Preferably, the tooth top of the tooth is projected as straight line on the plane perpendicular to tenon radial center face Section, or about the symmetrical broken line in supporter radial center face.

Preferably, projection of the tooth top of the tooth on the plane perpendicular to the radial center face of the tenon is straight The angle of the center line of line segment and the supporter is β, and the angle β range is between 8 ° -20 °.

The utility model has the advantages that supporter and wheel rim can be made due to the structure design of multiple teeth on the tenon and tenon of fir-tree type Be fitted close, effectively prevent too early thermal deformation to fall off, the first tooth tooth top, the second tooth tooth top respectively with the first bottom portion of groove distance Preferred proportion is adapted to running at high speed for tire, while the inclined-plane of the tooth two sides or the design of arc direction can effectively be prevented Only wheel rim " chews " supporter, and the opposite position of the supporter and wheel rim axial direction can be effectively prevented in the setting of wheel rim upper fixing element It moves, the axial thrust load of junction when tenon and the inclined angle design of support body axis can effectively reduce tire running, thus Meet the needs that split type non-inflatable tyre is run at high speed.

Detailed description of the invention

Fig. 1 is a kind of explosive view of non-inflatable tyre of the present invention；

Fig. 2 is the schematic diagram of the supporter of non-inflatable tyre of the present invention；

Fig. 3 is the schematic diagram of the supporter tenon of non-inflatable tyre of the present invention；

Fig. 4 is the bottom view of the embodiment one of the tenon of wheel rim described in Fig. 3；

Fig. 5 is the bottom view of the embodiment two of the tongue-and-groove of wheel rim described in Fig. 3；

Fig. 6 is the bottom view of the embodiment three of the tongue-and-groove of wheel rim described in Fig. 3；

Fig. 7 is the schematic diagram of the wheel rim of non-inflatable tyre of the present invention；

Fig. 8 is the schematic diagram of the tongue-and-groove of the wheel rim of non-inflatable tyre of the present invention.

In figure: 1, supporter；11, tenon；111, tooth；1111, the first tooth；1112, the second tooth；1113, the first groove； 2, wheel rim；21, tongue-and-groove；211, tooth socket；2111, the first tooth socket；2112, the second tooth socket；3, fixing piece；31, baffle；32 bolts.

Specific embodiment

In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one In the case where step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiments In.

In the description of the present invention, it should be noted that the instruction such as term "inner", "outside", "upper", "lower", "front", "rear" Orientation or positional relationship be based on attached positional relationship shown in FIG. 1, be merely for convenience of description of the present invention and simplification of the description, and It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore It is not considered as limiting the invention.

With reference to Fig. 1, a kind of non-inflatable tyre, including supporter 1 and with the mutually matched wheel rim 2 of the supporter 1, it is described The tenon 11 of several wedge shapes is equipped on the inside of supporter 1, the tenon 11 is equipped with the tooth along 1 circumferential direction of the supporter protrusion Part 111, the wheel rim 2, which is equipped with, to be matched with the tenon 11 so that the wheel rim 2 and the supporter 1 are in the supporter The tongue-and-groove 21 being fixed to each other in 1 circumferential direction, the tongue-and-groove 21 be equipped with can with the mutually matched tooth socket 211 of the tooth 111 with Limit the supporter 1 with the wheel rim 2 being mutually shifted in 1 circumferential direction of supporter.

Referring to figs. 2 and 3, the supporter 1 includes the tenon 11 of several wedge shapes, and the preferably described tenon 11 is uniform herein It is distributed in the inside of the supporter 1, the quantity of the tenon 11 can be selected according to travel speed, and travel speed is higher, if The quantity of fixed tenon 11 is more, can be 6-30, the number of the tenon 11 as shown in the figure is preferably 6.The tenon 11 It is equipped with the tooth 111 protruded along 1 circumferential direction of supporter, tooth 111 described herein is preferably symmetrically distributed in institute The two sides of 11 circumferential direction of tenon are stated, number of teeth amount is preferably 2 to the tooth 111 herein, both can satisfy the need for preventing slipping It wants, and can satisfy the requirement of intensity, while being more conducive to process and assemble, i.e., the described tooth 111 includes being located at the tenon 11 The first tooth 1111 close to one end of the wheel rim 2, and it is adjacent with first tooth 1111, remote positioned at first tooth 1111 Second tooth 1112 of the side from the wheel rim 2.

First tooth 1111 and the second tooth 1112 can may be arc-shaped gear for stepped tooth, herein preferably arc Tooth, fitting is even closer, the first groove 1113 is formed between first tooth 1111 and the second tooth 1112, any perpendicular to institute It states on the section on 1 axial direction of supporter, the slot bottom of the tooth top of first tooth 1111 and the first groove 1113 is in the tenon The distance between projection on first 11 median plane radially is B1, the tooth top of second tooth 1112 and the first groove 1113 Slot bottom again the distance between the projection of median plane of the tenon 11 radially be B2, the ratio of the B1/B2 can basis Speed needs to design, and travel speed is bigger, and ratio is bigger, and B1/B2 ratio is preferably 0.8-1.2 herein, needs to illustrate herein , preferably the slot bottom of the tooth top of the first tooth 1111, the tooth top of the second tooth 1112 and the first groove 1113 is three flat herein Capable straight line.The tooth 111 close to the side of the wheel rim 2 to the wheel rim 2 distance along 111 tooth root of tooth extremely The direction of tooth top is gradually increased, and the distance of side of the tooth 111 far from the wheel rim 2 to the wheel rim is along the tooth tooth root It is gradually reduced to the direction of tooth top, because locating the tooth 111 is preferably arc-shaped gear, i.e., the described tooth 111 is close to described The center of circle of any one section of differential of the arc of the side of wheel rim 2 is located at the side that the tooth 111 deviates from the wheel rim 2, the tooth 111 The center of circle of any one section of differential of the arc of the side far from the wheel rim 2 is located at the tooth 111 close to the side of the wheel rim 2, this Planting design can be effectively prevented uneven, the morning caused by preventing because of the uneven type of contact stress of contact stress in the process of moving Phase fatigue damage.First tooth 1111 at the tooth root of 2 side of wheel rim excessive angle be C, the transition angle C be 25 °- 50 °, it is even closer that such design can allow the supporter 1 and wheel rim 2 to be bonded during high speed exercise, in such design Under, the thickness of the first tooth 1111 and the second tooth 1112 end shown in Fig. 3 is preferably 2-8mm, is set according to the needs of travel speed Meter, speed is higher, and the thickness of 1112 end of the first tooth 1111 and the second tooth is bigger.

With reference to Fig. 4-6, projection of the tooth top of the tooth 111 on the plane perpendicular to the 11 radial center face of tenon For straightway, or the symmetrical broken line of median plane about the supporter 1 radially, the straightway can be with the branch 1 longitudinal center line of support body is parallel or in a certain angle, and two kinds of situations respectively correspond Fig. 4 and Fig. 5 herein, when Fig. 4 is parallel, Fig. 5 be it is in a certain angle, the angle is β, and the angle β is 8 ° -20 °, and the design of oblique line formula can be under the conditions of this angle The axial thrust load of junction when reducing tire high speed rotation, and the design of broken-line type as shown in FIG. 6, can completely avoid tire The axial force generated when running at high speed, the angle β ' of the longitudinal center line of broken line and supporter 1 is also 8 ° -20 ° herein, more just In installation and reduce axial force.

With reference to Fig. 4 and Fig. 5, the wheel rim 2 is equipped with tongue-and-groove 21 corresponding with the tenon 11 on the supporter 1.It is described The number of tongue-and-groove 21 and the number of the tenon 11 match, and the number of tongue-and-groove 21 as shown in Figure 4 is and tenon 11 shown in Fig. 3 Match 6 of number, the tongue-and-groove 21, which is equipped with, cooperates to the tooth socket 211 being fixed to each other with the tooth 111, this Locate tooth socket 211 number be it is identical as the number of the tooth 111, as 2, i.e., the described tooth socket 211 include the first tooth socket 2111 and second tooth socket 2112, first tooth socket 2111, the second tooth socket 2112 respectively with the first tooth 1111,1112 shape of the second tooth Shape is complementary, and is designed using interference, and magnitude of interference is determined according to the hardness of 211 contact position of the tooth 111 and tooth socket, excellent herein Be selected as 0.25-1.5mm, to realize ease of assembly in the case where make the tooth socket 211 and the even closer fitting of tooth 111, institute It states on 2 axial sides face of wheel rim, is equipped with bolt hole in the two sides of the tongue-and-groove 21.

The fixing piece 3 is described solid for preventing the supporter 1 from relatively moving in the axial direction with the wheel rim 2 Determining part 3 includes baffle 31 and bolt 32, and the baffle 31 is equipped with through-hole corresponding with the bolt hole, the baffle 31 It is fixed on the wheel rim 2 by bolt 32, the baffle 31 is preferably that radial height matches with 21 depth of tongue-and-groove, axis Identical as the circumferential lengths of the tongue-and-groove 21 to length, axial width is 4-6mm, and the non-inflatable tyre runs at high speed When, the baffle 31 can prevent the effect because of axial lateral force from leading to the relative movement of the tenon 11 and tongue-and-groove 21.

In the present invention, due to the structure design of multiple tooth 111 on the tenon 11 and the tenon 11 of wedge shape, it can make to prop up Support body 1 and wheel rim 2 make have biggish contact area between supporter 1 and wheel rim 2 when fitting snugly in interaction, effectively anti- Only too early thermal deformation falls off, the tooth top of the first tooth 1111,1112 tooth top of the second tooth respectively with 1113 distance from bottom ratio of the first groove The non-inflatable tyre that can preferably make of example adapts to the state that runs at high speed, while the inclined-plane of 111 two sides of the tooth or arc The design of direction can be effectively prevented wheel rim 2 and " chew " supporter 1, and the setting set on 2 upper fixing element 3 of wheel rim can be effective Prevent the relative displacement of the supporter 1 and wheel rim 2 in the axial direction, tenon 2 and the inclined angle design of 1 axis of supporter can be with The axial thrust load of junction when effectively reducing tire running, to meet the needs that split type non-inflatable tyre is run at high speed.

Claims

1. a kind of non-inflatable tyre, including supporter and with the mutually matched wheel rim of the supporter, it is characterised in that: the branch The tenon of several wedge shapes is equipped on the inside of support body, the tenon is equipped with the tooth along the supporter circumferential direction protrusion, described Wheel rim is equipped with and is matched with the tenon so that the wheel rim is fixed to each other in the supporter circumferential direction with the supporter Tongue-and-groove, the tongue-and-groove is equipped with can limit the supporter with the mutually matched tooth socket of the tooth and the wheel rim exists Being mutually shifted in the supporter circumferential direction；The tooth includes the first tooth close to the setting of described wheel rim one end, and Second tooth adjacent with first tooth, far from the wheel rim side；The first groove is equipped between first tooth and the second tooth, On perpendicular to the section on the supporter axial direction, the first tooth tooth top and the first groove slot bottom are in the tenon diameter To median plane on the distance that projects be B1, the second tooth top center line and the first groove slot bottom are on the tenon median plane The distance of projection is B2, the B1/B2=0.8-1.2.

2. non-inflatable tyre according to claim 1, it is characterised in that: the tooth is close to the side of the wheel rim to institute The distance for stating wheel rim is gradually increased along the direction of tooth tooth root to the tooth top, and side of the tooth far from the wheel rim is to described The distance of wheel rim is gradually reduced along the direction of tooth tooth root to the tooth top.

3. non-inflatable tyre according to claim 1, it is characterised in that: tooth of first tooth close to the wheel rim side Transition angle at root is C, and the C range is between 25 ° -50 °.

4. according to claim 1 to non-inflatable tyre described in 3 any one, it is characterised in that: be additionally provided with use on the wheel rim In the fixing piece for limiting the wheel rim and the axially opposing movement of the supporter.

5. non-inflatable tyre according to claim 4, it is characterised in that: the fixing piece is to be fixed at the wheel rim two Side, the baffle that the supporter Yu the axially opposing movement of the wheel rim are limited for blocking the tongue-and-groove.

6. non-inflatable tyre according to claim 5, it is characterised in that: the wheel rim is equipped with and passes through, is used for for bolt The bolt hole of the fixed baffle, the baffle are bolted to connection with the wheel rim.

7. non-inflatable tyre described in -5 any one according to claim 1, it is characterised in that: the tooth top of the tooth is vertical It is symmetrical in the straightway that is projected as in the plane in tenon radial center face, or about supporter radial center face Broken line.

8. non-inflatable tyre according to claim 7, it is characterised in that: the tooth top of the tooth is perpendicular to the tenon Radial center face plane on the straightway of projection and the angle of center line of the supporter be β, the angle β range Between 8 ° -20 °.