CN107757259A

CN107757259A - Non-inflatable tyre

Info

Publication number: CN107757259A
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: 2018-03-06
Anticipated expiration: 2037-11-16
Also published as: CN107757259B

Abstract

A kind of non-inflatable tyre, the wheel rim to be cooperated including supporter and with the supporter, the tenon of some fir-tree types is provided with the inside of the supporter, the tenon is provided with along the raised tooth of the supporter circumferential direction, the wheel rim is provided with the tongue-and-groove being engaged with the tenon so that the wheel rim and the supporter interfix in the supporter circumference, the tongue-and-groove be provided with can the teeth groove that cooperates of the 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, can be fitted close supporter and wheel rim, effectively prevent too early thermal deformation from coming off, prevent wheel rim from " chewing " supporter, the setting of fixture can prevent the axially opposing displacement between the supporter and wheel rim, the requirement of each side during so as to meet that 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 technology

Non-inflatable tyre is in the practical application being connected with its wheel rim at present, be broadly divided into integral molding and split type Neck connection, the processing of the non-inflatable tyre of integral molding and manufacturing process are complex, and existing split type neck The non-inflatable tyre of connection is that supporter is connected with wheel rim using conventional mechanical formula connected modes such as spline, dovetail grooves mostly, such a The non-inflatable tyre of connected mode is when running at high speed, because the reasons such as the friction between supporter and wheel rim easily cause local mistake 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 people from this area Member there is an urgent need to.

The content of the invention

The present invention is in view of the above-mentioned problems, a kind of split type connection that can be used under high-speed cruising state of proposition exempts to fill Air filled tyre, to reach above-mentioned purpose, the technical solution adopted by the present invention is：

A kind of non-inflatable tyre, including supporter and the wheel rim with supporter mutual cooperation, the supporter inner side Provided with some wedge-shaped tenons, the tenon is provided with the tooth along supporter circumferential direction projection, is set on the wheel rim There are the tongue-and-groove being engaged with the tenon so that the wheel rim interfixes with the supporter in the supporter circumference, institute Tongue-and-groove is stated provided with the teeth groove that can be cooperated with the tooth to limit the supporter with the wheel rim in the support Being mutually shifted in body circumferential direction.

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

Preferably, the first groove is provided 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 bottom land 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 bottom land project on the tenon median plane is B2, the B1/ B2=0.8-1.2.

Preferably, the tooth close to the distance of the side of the wheel rim to the wheel rim along the tooth tooth root to tooth top Direction gradually increase, the distance of side of the tooth away 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 models It is trapped among between 25 ° -50 °.

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

Preferably, the fixture is is fixed at wheel rim both sides, described to limit for blocking the tongue-and-groove Supporter and the baffle plate of the axially opposing movement of the wheel rim.

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

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

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

Beneficial effect：Due to the structure design of multiple teeth on the tenon and tenon of fir-tree type, supporter and wheel rim can be made Be fitted close, effectively prevent too early thermal deformation from coming 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 both sides or the design of arc direction can effectively be prevented Only wheel rim " chews " supporter, and the setting of wheel rim upper fixing element can effectively prevent the relative position of supporter and the wheel rim axial direction Move, the axial thrust load of junction when tenon can effectively reduce tire running with the inclined angle design of support body axis, so as to Meet the needs that split type non-inflatable tyre is run at high speed.

Brief description of the drawings

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 upward view of the embodiment one of the tenon of wheel rim described in Fig. 3；

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

Fig. 6 is the upward 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：1st, supporter；11st, tenon；111st, tooth；1111st, the first tooth；1112nd, the second tooth；1113rd, the first groove； 2nd, wheel rim；21st, tongue-and-groove；211st, teeth groove；2111st, the first teeth groove；2112nd, the second teeth groove；3rd, fixture；31st, baffle plate；32 bolts.

Embodiment

Below, the present invention is specifically described by exemplary embodiment.It should be appreciated, however, that do not entering one In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment In.

In the description of the invention, it is necessary to which explanation, term " interior ", " outer ", " on ", " under ", "front", "rear" etc. indicate Orientation or position relationship be position relationship shown in based on accompanying drawing 1, be for only for ease of the description present invention and simplify description, and It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore It is not considered as limiting the invention.

With reference to figure 1, a kind of non-inflatable tyre, including supporter 1 and the wheel rim 2 with the supporter 1 mutual cooperation, it is described The inner side of supporter 1 is provided with some wedge-shaped tenons 11, and the tenon 11 is provided with along the raised tooth of the circumferential direction of supporter 1 Part 111, the wheel rim 2, which is provided with, to be engaged with the tenon 11 so that the wheel rim 2 and the supporter 1 are in the supporter The tongue-and-groove 21 to be interfixed in 1 circumference, the tongue-and-groove 21 be provided with can with the tooth 111 cooperate teeth groove 211 with Limit the supporter 1 with the wheel rim 2 being mutually shifted in the circumferential direction of supporter 1.

Referring to figs. 2 and 3 the supporter 1 includes some wedge-shaped tenons 11, and the preferably tenon 11 is uniform herein The inner side of the supporter 1 is distributed in, the quantity of the tenon 11 can select 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 is preferably 6 shown in figure.The tenon 11 The tooth 111 protruded along the circumferential direction of supporter 1 is provided with, tooth 111 described herein is preferably symmetrically distributed in institute The both sides of the circumferential direction of tenon 11 are stated, number of teeth amount is preferably 2 to the tooth 111 herein, can both meet to prevent the need slipped Will, the requirement of intensity can be met again, while be more conducive to process and assemble, i.e., 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 From the second tooth 1112 of the side of the wheel rim 2.

The tooth 1112 of first tooth 1111 and second can be that stepped tooth can also be arc-shaped gear, herein preferably arc Tooth, fitting is even closer, the first groove 1113 is formed between the tooth 1112 of the first tooth 1111 and second, any perpendicular to institute State on the section on the axial direction of supporter 1, the bottom land 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 Bottom land the distance between the projection of median plane of the tenon 11 radially is B2 again, the ratio of the B1/B2 can basis Speed needs to design, and travel speed is bigger, and ratio is bigger, and B1/B2 ratios are preferably 0.8-1.2 herein, needs to illustrate herein , preferably the bottom land 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 the tooth root of tooth 111 extremely The direction of tooth top gradually increases, and the distance of side of the tooth 111 away 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 it is preferably arc-shaped gear to locate the tooth 111, i.e., 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 away from the wheel rim 2 is located at the tooth 111 close to the side of the wheel rim 2, this Kind of design can effectively prevent the uneven of contact stress in the process of moving, prevent early caused by the uneven type of contact stress Phase fatigue damage.First tooth 1111 excessive angle at the tooth root of the side of wheel rim 2 is C, the transition angle C is 25 °- 50 °, it is even closer that such a design can allow the supporter 1 and wheel rim 2 to be bonded in high speed motions, in such a design Under, the first tooth 1111 shown in Fig. 3 and the thickness of the end of the second tooth 1112 are preferably 2-8mm, are set according to the needs of travel speed Meter, speed is higher, and the thickness of the first tooth 1111 and the end of the second tooth 1112 is bigger.

With reference to figure 4-6, the projection of the tooth top of the tooth 111 in the plane perpendicular to the radial center face of tenon 11 For straightway, or the symmetrical broken line of median plane on the supporter 1 radially, the straightway can be with the branch The longitudinal center line of support body 1 is parallel or in a certain angle, when two kinds of situation difference corresponding diagrams 4 and Fig. 5, Fig. 4 are parallel herein, For Fig. 5 to be in a certain angle, the angle is β, and the angle β is 8 ° -20 °, and the design of oblique line formula can be with 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 Figure 6, can avoid tire completely Run at high speed caused axial force, and the angle β ' of broken line and the longitudinal center line of supporter 1 is also 8 ° -20 ° herein, more just In installation and reduce axial force.

With reference to figure 4 and Fig. 5, the wheel rim 2 is provided 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 the tenon 11 shown in Fig. 3 Match 6 of number, the tongue-and-groove 21 is provided with cooperates to the teeth groove 211 that interfixes with the tooth 111, this The number for locating teeth groove 211 is identical with the number of the tooth 111, and as 2, i.e., described teeth groove 211 includes the first teeth groove 2111 and second teeth groove 2112, first teeth groove 2111, the second teeth groove 2112 respectively with the first tooth 1111, the shape of the second tooth 1112 Shape is complementary, and is designed using interference, and the magnitude of interference determines according to the tooth 111 and the hardness of the contact position of teeth groove 211, excellent herein Elect 0.25-1.5mm as, to realize ease of assembly in the case of make the teeth groove 211 and the even closer fitting of tooth 111, institute State on 2 axial two sides of wheel rim, bolt hole is provided with the both sides of the tongue-and-groove 21.

The fixture 3 is used to prevent the supporter 1 from relatively moving in the axial direction with the wheel rim 2, described solid Determining part 3 includes baffle plate 31 and bolt 32, and the baffle plate 31 is provided with the through hole corresponding with the bolt hole, the baffle plate 31 It is fixed on by bolt 32 on the wheel rim 2, the baffle plate 31 is preferably that radial height matches with the depth of tongue-and-groove 21, axle Identical with 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 plate 31 can be prevented because the effect of axial side force causes 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, branch can be made Support body 1 and wheel rim 2, which fit snugly in, makes have larger contact area between supporter 1 and wheel rim 2 during interaction, effectively anti- Only too early thermal deformation comes off, the tooth top of the first tooth 1111, the tooth top of the second tooth 1112 respectively with the distance from bottom ratio of the first groove 1113 The non-inflatable tyre that can preferably make of example adapts to the state that runs at high speed, while the inclined-plane of the both sides of the tooth 111 or arc The design of direction can effectively prevent wheel rim 2 from " chewing " supporter 1, and the setting located at the upper fixing element 3 of wheel rim 2 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 the axis of supporter 1 can be with The axial thrust load of junction when effectively reducing tire running, so as to meet needs that split type non-inflatable tyre is run at high speed.

Claims

1. a kind of non-inflatable tyre, including supporter and the wheel rim with supporter mutual cooperation, it is characterised in that：The branch Some wedge-shaped tenons are provided with the inside of support body, the tenon is provided with along the raised tooth of the supporter circumferential direction, described Wheel rim is provided with and is engaged with the tenon so that the wheel rim interfixes with the supporter in the supporter circumference Tongue-and-groove, the tongue-and-groove is provided with the teeth groove that can be cooperated with the tooth and be existed with limiting the supporter and the wheel rim Being mutually shifted in the supporter circumferential direction.

2. non-inflatable tyre according to claim 1, it is characterised in that：The tooth includes setting close to described wheel rim one end The first tooth put, and the second tooth adjacent with first tooth, away from the wheel rim side.

3. non-inflatable tyre according to claim 2, it is characterised in that：First is provided between first tooth and the second tooth Groove, on the section on the supporter axial direction, the first tooth tooth top and the first groove bottom land are described The distance projected on the median plane of tenon radial direction is B1, and the second tooth top center line and the first groove bottom land are in the tenon The distance projected on heart face is B2, the B1/B2=0.8-1.2.

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

5. non-inflatable tyre according to claim 4, it is characterised in that：Tooth of first tooth close to the wheel rim side Transition angle at root is C, and the C scopes of crossing are between 25 ° -50 °.

6. according to the non-inflatable tyre described in any one of claim 1 to 5, it is characterised in that：Use is additionally provided with the wheel rim In the fixture for limiting the wheel rim and the axially opposing movement of the supporter.

7. non-inflatable tyre according to claim 6, it is characterised in that：The fixture is to be fixed at the wheel rim two Side, for blocking the tongue-and-groove to limit the baffle plate of the supporter and the axially opposing movement of the wheel rim.

8. non-inflatable tyre according to claim 7, it is characterised in that：The wheel rim is provided with and passes through, is used for for bolt The bolt hole of the fixed baffle plate, the baffle plate are bolted to connection with the wheel rim.

9. according to the non-inflatable tyre described in any one of claim 1-5, 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 the tenon radial center face, or on the supporter radial center face Broken line.

10. non-inflatable tyre according to claim 9, it is characterised in that：The tooth top of the tooth is perpendicular to the tenon The angle of the straightway of projection in the plane in the radial center face of head and the center line of the supporter is β, the angle β models Enclose between 8 ° -20 °.