CN112124260B - Auxiliary inflating device for tire - Google Patents

Abstract

The application provides a supplementary aerating device of tire belongs to automobile manufacturing technical field. The tire auxiliary inflating device comprises a chuck, a plurality of adsorption pieces and a plurality of actuating mechanisms. The chuck is used for the axial to lean on the rim, and a plurality of absorption pieces distribute along chuck circumference, and the absorption piece is used for adsorbing on the tire. The actuating mechanism is connected to the chuck, the actuating mechanism corresponds to the adsorption piece one by one, and the actuating mechanism is used for driving the corresponding adsorption piece to move relative to the chuck so as to drive the tire to recover deformation and be tightly attached to the rim. The auxiliary tire inflation device adopting the structure can recover the deformed tire to be deformed and tightly fit with the rim through the matching use of the adsorption piece and the actuating mechanism so as to prevent the gas from overflowing from a gap between the tire and the rim in the inflation process of the tire, thereby improving the problem that the inflation effect of the tire is not good because the tire of the vacuum tire cannot be tightly fit with the rim after the large deformation occurs, and the assembly is failed.

Description

Auxiliary inflating device for tire

Technical Field

The application relates to the technical field of automobile manufacturing, in particular to an auxiliary inflating device for a tire.

Background

With the development of the automobile industry, tubeless tires are gradually popularized. The tubeless tyre is commonly called an original tyre or a vacuum tyre and comprises a rim and a tyre, wherein the inner wall of the tyre and an airtight layer of a tyre bead are mainly utilized to ensure good air tightness between the tyre and the rim so as to achieve the effect that an outer tyre also serves as an inner tyre. However, a tire is an automobile component made of rubber, carbon black, sulfur, steel wire, fiber cord, and the like, and due to the viscoelastic characteristics of rubber, an uninflated tire undergoes deformation that cannot be completely recovered after being subjected to a force for a long time. Particularly, in the process of storing the tire, the tire is generally stacked in a flat manner, so that the distance between the beads is too narrow after the tire side is extruded, the fit clearance between the tire and the rim is too large after the tire is assembled on the rim, the pre-sealing is not good, and the problem that the gas leaks from the clearance during inflation, the inflation cannot be finished and the assembly failure is caused.

At present, a high-pressure air cylinder or an annular air cylinder is generally adopted in the market to inflate a deformed tire, so that instant pressure intensity is formed inside the tire, the tire is pushed from inside to outside and is instantly closed to a rim, and then an inflating device is used for inflating an inflating valve of the tire.

Disclosure of Invention

The embodiment of the application provides a supplementary aerating device of tire to improve the tire and can't lead to the problem of assembly failure with the rim closely laminating after taking place deformation.

In a first aspect, an embodiment of the present application provides a tire auxiliary inflating device, which includes a chuck, a plurality of suction members, and a plurality of actuators; the chuck is used for axially abutting against the wheel rim; the plurality of adsorption pieces are distributed along the circumferential direction of the chuck and are used for being adsorbed on the tire; actuating mechanism connect in the chuck, actuating mechanism with adsorb a one-to-one, actuating mechanism is used for the drive to correspond it is relative to adsorb the piece the chuck removes, in order to drive tire recovery deformation and closely laminate in the rim.

In the above technical scheme, supplementary aerating device of tire is provided with the chuck, can support supplementary aerating device of tire axial on the rim through the chuck, circumference has arranged a plurality of absorption pieces on the chuck, can adsorb the side surface of tire through the absorption piece, so that actuating mechanism can drive the tire that warp when the absorption piece that the drive corresponds removes and resume deformation and closely laminate with the rim, thereby can prevent that the tire from spilling over from the clearance between tire and the rim in the in-process gas that carries out gas filling to it through the inflator, and then the tire that has improved the vacuum child can't closely laminate with the rim and cause the tire inflation effect not good after taking place great deformation, so that the problem of assembly failure.

In addition, the tire auxiliary inflating device provided by the embodiment of the application also has the following additional technical characteristics:

further, the chuck includes a base and a plurality of mounting arms; the installation arms are arranged on the base along the circumferential direction of the base circle at intervals, each installation arm is movably arranged on the base along the radial direction of the base circle, and each installation arm is correspondingly provided with one execution mechanism.

In above-mentioned technical scheme, the chuck is provided with base and a plurality of installation arm, through with every installation arm all movably set up in the base to realize the scalable function of chuck, and every installation arm all is connected with an actuating mechanism, thereby make the chuck can adjust according to the actual size of rim, with the not unidimensional rim of adaptation, and then improved the supplementary aerating device's of tire use flexibility.

Further, the chuck further comprises a first locking member; the first locking member is adapted to releasably lock the mounting arm to the base, the mounting arm being movable relative to the base when the first locking member releases the mounting arm to the base.

In the technical scheme, each installation arm is movably arranged on the base, the installation arms can be released or locked through the first locking pieces, so that the installation arms are allowed to stretch or locked when the installation arms are adjusted in place, the phenomenon that the installation arms move relative to the base in the process of deformation recovery of tires by using the tire auxiliary inflating device is avoided, and normal use of the tire auxiliary inflating device is guaranteed.

Further, the chuck also comprises a fixing piece; the fixing piece is connected to the base and used for fixing the chuck on the rim.

In the technical scheme, when the chuck is axially abutted against the rim, the chuck can be fixed on the rim through the fixing piece connected to the base, so that the phenomenon that the chuck is separated from the rim due to unbalanced stress in the use process is avoided.

Further, the actuator comprises a power arm; the power arm is rotatably connected with the chuck, the adsorption piece is connected with the power arm, and the power arm is configured to drive the adsorption piece to move relative to the chuck when the power arm rotates relative to the chuck.

In the technical scheme, the actuating mechanism is provided with the power arm, the adsorption part is connected to the power arm, and the adsorption part can be driven to move relative to the chuck by adopting a structure for rotating the power arm, so that the function of assisting the deformed tire inflation of the tire auxiliary inflation device is realized, and the structure is simple and convenient to realize.

Further, the actuating mechanism further comprises a transmission rod and an elastic piece; one end of the transmission rod is hinged to the power arm, and the other end of the transmission rod is connected to one end of the elastic piece; one end of the elastic part, which is far away from the transmission rod, is connected with the adsorption part.

In the technical scheme, the actuating mechanism is further provided with a transmission rod and an elastic part, the adsorption part is connected with the transmission rod through the elastic part, and the transmission rod is hinged to the power arm, so that the transverse shearing force of the power arm acting on the adsorption part can be eliminated through the matching use of the elastic part and the transmission rod when the power arm rotates relative to the chuck, the adsorption part can move relative to the chuck under the driving of the power arm, and then the deformed tire can be driven to recover to deform and be tightly attached to the rim. In addition, the elastic piece is arranged between the adsorption piece and the transmission rod, so that the adsorption piece can be buffered, the rigid action of the actuating mechanism on the adsorption piece is avoided, and the adsorption piece is prevented from being damaged when the acting force of the actuating mechanism is too large.

Further, a second locking piece is arranged between each power arm and the chuck; the second locking member is adapted to releasably lock the powered arm and the chuck, the powered arm being rotatable relative to the chuck when the second locking member releases the powered arm and the chuck.

In the technical scheme, the corresponding power arm can be locked through the second locking piece arranged between each power arm and the chuck, so that the power arm is prevented from continuously rotating relative to the chuck. After the power arm drives the adsorption part to move and tightly attach the deformed tire to the rim, the auxiliary tire inflation device adopting the structure can lock the power arm on the chuck, so that the tire keeps the state of tightly attaching to the rim, the subsequent inflation is performed through the air nozzle of the tire, the purpose of assembly is reached, the rotation of the power arm relative to the chuck is prevented without manpower, the use is convenient, and the labor is saved.

Further, the second locking member has opposite first and second ends; the first end is hinged to the power arm, and the second end is provided with a limiting part; the chuck is provided with a plurality of clamping grooves corresponding to each actuating mechanism, and the limiting part is used for being selectively clamped in one clamping groove.

In the technical scheme, the first end of the second locking part is hinged to the power arm and is clamped in the clamping groove through the limiting part arranged at the second end, so that the function of locking the power arm on the chuck by the second locking part is realized, and the structure is simple, stable and reliable. In addition, a plurality of clamping grooves are formed in the chuck corresponding to each power arm, the power arms can be locked at different positions by clamping the limiting parts in different clamping grooves, so that the power arms can be locked at different positions according to the deformation of the tire and the width of the tire, the auxiliary tire inflation device can be suitable for tires with different widths, and the use diversity of the auxiliary tire inflation device is improved.

Further, the auxiliary tire inflation device further comprises an air exhaust mechanism; the air exhaust mechanism is used for exhausting the air in the adsorption piece so that the adsorption piece is adsorbed on the tire.

In above-mentioned technical scheme, supplementary aerating device of tire still is provided with air exhaust mechanism, can take away the gas in the absorption piece through air exhaust mechanism to make and form vacuum state between the side surface of absorption piece and tire, thereby make the absorption piece tightly adsorb on the tire, the supplementary aerating device of tire that adopts this kind of structure has improved the stability that the absorption piece adsorbs on the tire, avoids in the use absorption piece to drop in the side surface of tire.

Further, each adsorption piece is communicated with the air exhaust mechanism through an air exhaust pipe; an air valve switch is arranged on the air exhaust pipe.

In the above technical scheme, every suction tube that adsorbs the piece correspondence all is provided with an air valve switch, and every adsorbs the piece by the air valve switch who corresponds and carries out independent control for be not influenced each other between adsorbing the piece, thereby be convenient for the user carries out independent operation to every adsorption piece, adsorb on the tire with every adsorption piece, convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic structural diagram of an auxiliary tire inflation device according to an embodiment of the present disclosure;

FIG. 2 is a partial schematic left side view of the tire auxiliary inflation device shown in FIG. 1;

FIG. 3 is a schematic structural view of a tire inflation aid provided in accordance with an embodiment of the present disclosure (when the chuck is axially abutted against the rim of a tire);

FIG. 4 is an enlarged fragmentary view of the tire auxiliary inflation device shown in FIG. 2 at A;

FIG. 5 is an enlarged fragmentary view of the tire auxiliary inflation device shown in FIG. 1 at B;

fig. 6 is a cross-sectional view of the suction member shown in fig. 1.

Icon: 100-auxiliary tyre inflating device; 10-a chuck; 11-a base; 12-a mounting arm; 121-card slot; 13-base circle; 14-a first locking member; 15-a buffer; 16-a fixing member; 161-hook; 162-a rope; 20-an actuator; 21-a power arm; 211-a first arm; 2111-jack; 212-a second arm; 22-a transmission rod; 23-an elastic member; 24-a booster bar; 30-an adsorbing member; 31-an adsorption tray body; 32-an adsorption pad; 33-an airway tube; 331-a connecting portion; 34-an adsorption cavity; 40-a second locking member; 41-a first end; 42-a second end; 43-a limiting part; 50-air valve switch.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Examples

The embodiment of the application provides a tire auxiliary inflating device 100, which can restore the deformation of a deformed tire and enable the deformed tire to be tightly attached to a rim, so that an auxiliary inflating device completes the assembly work of the tire, and the specific structure of the tire auxiliary inflating device 100 is explained in detail below with reference to the attached drawings.

As shown in fig. 1 and 2, the tire auxiliary inflating device 100 includes a chuck 10, a plurality of actuators 20, and a plurality of suction members 30. The chuck 10 is intended to be axially abutted against a rim. A plurality of suction members 30 are distributed along the circumferential direction of the chuck 10, and the suction members 30 are used for being sucked on the tire. The actuator 20 is connected to the chuck 10, the actuator 20 corresponds to the suction members 30 one by one, and the actuator 20 is configured to drive the corresponding suction members 30 to move relative to the chuck 10, so as to drive the tire to recover and deform and to closely adhere to the rim.

In the in-service use process, can support the supplementary aerating device 100 axial of tire to on the rim through chuck 10, circumference has arranged a plurality of absorption pieces 30 on the chuck 10, then can adsorb the side surface of tire through absorption piece 30, so that actuating mechanism 20 can drive the tire recovery deformation of deformation and closely laminate with the rim when the absorption piece 30 that the drive corresponds removes, thereby can prevent that the tire from spilling over from the clearance between tire and the rim at the in-process gas that carries out its inflation through the inflator, and then the tire that has improved the vacuum child can't closely laminate with the rim and cause the tire inflation effect not good after taking place great deformation, so that the problem of assembly failure.

In this embodiment, and as shown in continued reference to fig. 1 and 2, the chuck 10 includes a base 11 and a plurality of mounting arms 12. The plurality of mounting arms 12 are arranged on the base 11 along the circumferential direction of the base circle 13 at intervals, each mounting arm 12 is movably arranged on the base 11 along the radial direction of the base circle 13, and each mounting arm 12 is correspondingly provided with one actuator 20. Through all movably setting up in base 11 with every installation arm 12 to realize the scalable function of chuck 10, and every installation arm 12 all is connected with an actuating mechanism 20, thereby makes chuck 10 can adjust according to the actual size of rim, with the not unidimensional rim of adaptation, and then improved the use flexibility of supplementary aerating device 100 of tire.

The base 11 is provided with a plurality of holes, the holes correspond to the mounting arms 12 one by one, and each mounting arm 12 is movably inserted into the corresponding hole, so that each mounting arm 12 is movably arranged on the base 11 along the radial direction of the base circle 13.

Illustratively, as shown in fig. 1, the number of the suction members 30, the actuators 20, and the mounting arms 12 is four, the suction members 30 correspond to the actuators 20 one by one, the actuators 20 correspond to the mounting arms 12 one by one, the four mounting arms 12 are circumferentially and uniformly arranged on the base 11 along the base circle 13, and every two adjacent mounting arms 12 are arranged at an included angle of 90 degrees. In other embodiments, the number of suction members 30, actuators 20, and mounting arms 12 may be other, such as two, three, five, six, etc.

Further, as shown in fig. 1 and 2, the chuck 10 further includes a first locking member 14. The first locking member 14 is used to releasably lock the mounting arm 12 and the base 11, and the mounting arm 12 is movable relative to the base 11 when the first locking member 14 releases the mounting arm 12 and the base 11.

Each mounting arm 12 is movably arranged on the base 11, and the mounting arms 12 can be released or locked through the first locking members 14, so that the mounting arms 12 are allowed to stretch or lock the mounting arms 12 when the mounting arms 12 are adjusted in place, and therefore the phenomenon that the mounting arms 12 move relative to the base 11 in the process of deformation recovery of the tire by using the tire auxiliary inflating device 100 is avoided, and normal use of the tire auxiliary inflating device 100 is guaranteed.

Wherein, the first locking member 14 is a bolt, the first locking member 14 is screwed on the base 11, when the first locking member 14 is screwed, the end of the first locking member 14 can abut against the mounting arm 12 to lock the mounting arm 12 in the base 11.

Optionally, as shown in fig. 2 and 3, a buffer 15 for abutting against the rim is further connected to one end of each mounting arm 12 away from the base 11. When the chuck 10 is axially abutted against the rim, the buffer member 15 can be abutted against the rim, thereby playing a role of buffering and skid resistance.

Illustratively, the bumper 15 is a rubber pad attached to the mounting arm 12.

In this embodiment, and as shown in continued reference to fig. 2 and 3, the chuck 10 further includes a securing member 16. A fixing member 16 is attached to the base 11, the fixing member 16 being used to fix the chuck 10 to a rim.

When the chuck 10 is axially abutted against the rim, the chuck 10 can be fixed on the rim by the fixing member 16 connected to the base 11, thereby preventing the chuck 10 from being separated from the rim due to unbalanced force during use.

Further, the fixing member 16 includes a hook 161 and a rope 162, one end of the rope 162 is connected to the base 11, and the hook 161 is connected to the other end of the rope 162. When the chuck 10 is abutted against a rim, the hook 161 is passed through the spokes of the rim, then the cord 162 is wound around the spokes of the rim, and finally the hook 161 is hung on the cord 162 to fix the chuck 10 to the rim.

It should be noted that, in other embodiments, the fixing element 16 may have other structures, for example, the fixing element 16 is a resilient cord ring, the resilient cord ring is connected to the base 11, and when the chuck 10 abuts against the rim, the resilient cord ring is wound around the spokes of the rim and then sleeved on the first locking element 14, so that the chuck 10 abuts against the rim tightly under the elastic force of the resilient cord ring to fix the chuck 10 on the rim.

In this embodiment, as shown in fig. 2, the actuator 20 includes a power arm 21. The power arm 21 is rotatably connected to the corresponding mounting arm 12, the suction member 30 is connected to the power arm 21, and the power arm 21 is configured to drive the suction member 30 to move relative to the chuck 10 when it rotates relative to the mounting arm 12. The adsorption piece 30 can be driven to move relative to the chuck 10 by adopting the structure of the rotary power arm 21, so that the function of assisting the deformed tire inflation of the tire auxiliary inflation device 100 is realized, and the structure is simple and convenient to realize.

The power arm 21 includes a first arm 211 and a second arm 212, the first arm 211 is rotatably connected to the corresponding mounting arm 12, one end of the second arm 212 is fixedly connected to the first arm 211, and the other end of the second arm 212 is used for connecting the suction member 30, so that the range of movement of the suction member 30 relative to the mounting arm 12 can be enlarged by this structure.

Further, as shown in fig. 2 and 4, the actuator 20 further includes a transmission rod 22 and an elastic member 23. One end of the transmission rod 22 is hinged to the second arm 212, and the other end of the transmission rod 22 is connected to one end of the elastic member 23. The end of the elastic member 23 remote from the driving rod 22 is connected to the suction member 30.

The adsorption piece 30 is connected with the transmission rod 22 through the elastic piece 23, and the transmission rod 22 is hinged to the second arm body 212, so that when the power arm 21 rotates relative to the mounting arm 12, the transverse shearing force of the power arm 21 acting on the adsorption piece 30 can be eliminated through the matching use of the elastic piece 23 and the transmission rod 22, the adsorption piece 30 can move relative to the chuck 10 under the driving of the power arm 21, and then the deformed tire can be driven to recover to deform and be tightly attached to a rim. In addition, the elastic element 23 arranged between the adsorption element 30 and the transmission rod 22 can play a role of buffering the adsorption element 30, and the actuator 20 is prevented from acting on the adsorption element 30 rigidly, so that the adsorption element 30 is prevented from being damaged when the acting force of the actuator 20 is too large.

Illustratively, the elastic member 23 is a spring, and both ends of the spring are respectively connected to the transmission rod 22 and the suction member 30. In other embodiments, the elastic member 23 may also be a spring plate.

Optionally, as shown in fig. 2, fig. 3 and fig. 5, the actuator 20 is further provided with a power-assisted rod 24, and the first arm 211 is provided with an insertion hole 2111 into which the power-assisted rod 24 is inserted. In practical use, the power-assisted rod 24 is inserted into the insertion hole 2111 of the first arm 211, so that when the power-assisted rod 24 is pulled, the power arm 21 can be driven to rotate relative to the mounting arm 12, and the suction element 30 can be driven to move relative to the chuck 10.

In this embodiment, as shown in fig. 2 and 5, a second locking member 40 is further disposed between each power arm 21 and the corresponding mounting arm 12. The second locking member 40 is adapted to releasably lock the powered arm 21 and the mounting arm 12, and the powered arm 21 is able to rotate relative to the mounting arm 12 when the second locking member 40 releases the powered arm 21 and the mounting arm 12.

The corresponding power arm 21 can be locked by a second lock 40 disposed between each power arm 21 and the corresponding mounting arm 12 to prevent further rotation of the power arm 21 relative to the mounting arm 12. After the power arm 21 drives the adsorption piece 30 to move and the deformed tire is tightly attached to the rim, the auxiliary tire inflation device 100 adopting the structure can lock the power arm 21 on the corresponding mounting arm 12, so that the tire is kept in a state of being tightly attached to the rim, and is convenient to inflate through an air nozzle of the tire subsequently, so that the purpose of assembly is achieved, and further the power arm 21 is prevented from rotating relative to the mounting arm 12 through manpower, so that the auxiliary tire inflation device is convenient to use and labor-saving.

Wherein second locking member 40 has opposite first and second ends 41 and 42, as shown in fig. 5. The first end 41 is hinged to the first arm 211, and the second end 42 is provided with a limiting part 43. A plurality of clamping grooves 121 are formed in the mounting arm 12 corresponding to each power arm 21, the plurality of clamping grooves 121 are arranged at intervals and uniformly along the extending direction of the mounting arm 12, and the limiting portion 43 is used for being selectively clamped in one clamping groove 121. The limiting part 43 arranged on the second end 42 is clamped in the clamping groove 121, so that the second locking part 40 has the function of locking the power arm 21 on the corresponding mounting arm 12, and the structure is simple, stable and reliable. In addition, a plurality of clamping grooves 121 are formed in the mounting arm 12 corresponding to each power arm 21, and the power arms 21 can be locked at different positions by clamping the limiting parts 43 in different clamping grooves 121, so that the power arms 21 can be locked at different positions according to the deformation of the tire and the width of the tire, the tire auxiliary inflating device 100 can be suitable for tires with different widths, and the use diversity of the tire auxiliary inflating device 100 is improved.

It should be noted that in other embodiments, the second locking member 40 can have other structures, for example, the first end 41 of the second locking member 40 is connected to the mounting arm 12 via a universal shaft, and the second end 42 of the second locking member 40 is provided with a hanging portion. A plurality of inserting holes for inserting the inserting parts are formed in the first arm body 211 of the power arm 21 corresponding to each mounting arm 12, the inserting holes are arranged at intervals and uniformly along the extending direction of the first arm body 211, and the hanging parts of the second locking parts 40 can be selectively inserted into different inserting holes so as to lock the power arm 21 on the corresponding mounting arm 12.

In this embodiment, the tire auxiliary inflating device 100 further includes an air exhausting mechanism. The air suction mechanism is used for sucking the air in the adsorbing member 30 so as to make the adsorbing member 30 adsorbed on the tire. The air in the adsorbing member 30 can be pumped away by the air pumping mechanism, so that a vacuum state is formed between the side surface of the tire and the adsorbing member 30, the adsorbing member 30 is tightly adsorbed on the tire, the tire auxiliary inflating device 100 adopting the structure improves the stability of the adsorbing member 30 adsorbed on the tire, and the adsorbing member 30 is prevented from falling off from the side surface of the tire in the using process.

Wherein, as shown in fig. 2 and 4, each adsorption member 30 is communicated with the air suction mechanism through an air suction pipe. Every suction tube that adsorbs 30 correspondence all is provided with an air valve switch 50, and air valve switch 50 installs on transfer line 22, and every adsorbs 30 by the air valve switch 50 that corresponds and carry out independent control for not influenced each other between adsorbing 30, thereby be convenient for the user of service carries out independent operation to every adsorbing 30, with every adsorbing 30 adsorb on the tire, convenient to use.

Illustratively, the air exhaust tube is a plastic hose, one end of which is communicated with the air exhaust mechanism, and the other end of which is communicated with the adsorption member 30.

In this embodiment, as shown in fig. 6, the adsorbing member 30 is an adsorbing disc, and the adsorbing member 30 includes an adsorbing disc body 31, an adsorbing pad 32, and an air duct 33. The adsorption pad 32 is connected to the adsorption disc body 31, and the adsorption pad 32 and the adsorption disc body 31 jointly define an adsorption cavity 34 for adsorbing a tire. The air duct 33 is connected to the adsorption disc body 31, one end of the air duct 33 is communicated with the adsorption cavity 34, and the other end of the air duct 33 is used for being connected with the air extraction pipe. The end of the air duct 33 away from the adsorption disk body 31 is further provided with a connecting portion 331 for connecting with the elastic member 23. When the absorbing member 30 is attached to the side surface of the tire, the air in the absorbing cavity 34 can be pumped away by the air pumping mechanism, so that the absorbing member 30 is tightly attached to the tire.

Illustratively, the material of the adsorption pad 32 is a soft rubber material, and the material of the adsorption disk body 31 is a hard rubber material.

Illustratively, the gas-guide tube 33 is a metal tube.

In summary, the usage process of the tire auxiliary inflating device 100 is as follows: each mounting arm 12 is first telescopically adjusted according to the size of the rim of the tire, and the mounting arm 12 is locked by the first locking member 14 after the adjustment of the mounting arm 12 is completed. The chuck 10 is then axially abutted against the rim of the tire and the chuck 10 is secured to the rim by the fasteners 16, preventing the chuck 10 from separating from the rim during operation. After the chuck 10 is fixed to the rim, the suction members 30 are first attached to the side surface of the tire, and then the air valve switch 50 on the suction pipe corresponding to each suction member 30 is sequentially opened to tightly suck each suction member 30 to the tire by the air suction mechanism. After the suction members 30 are tightly attached to the side surfaces of the tire, the power-assisted rod 24 is inserted into the insertion hole 2111 of the power arm 21 and the power arm 21 is rotated by the power-assisted rod 24 to drive the corresponding suction member 30 to move relative to the mounting arm 12, so that the deformed tire is pulled to recover the deformation and the tire is tightly attached to the rim, and then the power arm 21 is locked on the mounting arm 12 by the second locking member 40 to prevent the power arm 21 from rotating relative to the mounting arm 12. Finally, the same operation is performed in turn on each power arm 21 to bring the whole tyre into close contact with the rim, facilitating the subsequent inflation assembly work.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A tire auxiliary inflating device, the tire includes the rim and the cover locates the tire outside the rim, its characterized in that includes:

a chuck for axial abutment against the rim;

a plurality of suction members distributed along a circumferential direction of the chuck, the suction members being adapted to be sucked onto the tire, the suction members being capable of sucking a side surface of the tire; and

a plurality of actuating mechanism, actuating mechanism connect in the chuck, actuating mechanism with adsorb the piece one-to-one, actuating mechanism is used for the drive to correspond it is relative to adsorb the piece the chuck removes, in order to drive tire recovery deformation and closely laminate in the rim.

2. The tire auxiliary inflator of claim 1 wherein the chuck includes a base and a plurality of mounting arms;

the installation arms are arranged on the base along the circumferential direction of the base circle at intervals, each installation arm is movably arranged on the base along the radial direction of the base circle, and each installation arm is correspondingly provided with one execution mechanism.

3. The tire auxiliary inflator of claim 2 wherein the chuck further comprises a first locking member;

the first locking member is adapted to releasably lock the mounting arm to the base, the mounting arm being movable relative to the base when the first locking member releases the mounting arm to the base.

4. The tire auxiliary inflating device of claim 2, wherein the chuck further comprises a fixing member;

the fixing piece is connected to the base and used for fixing the chuck on the rim.

5. The tire auxiliary inflator according to any one of claims 1 to 4, wherein the actuator includes a power arm;

the power arm is rotatably connected with the chuck, the adsorption piece is connected with the power arm, and the power arm is configured to drive the adsorption piece to move relative to the chuck when the power arm rotates relative to the chuck.

6. The tire auxiliary inflating device of claim 5, wherein the actuator further comprises a transmission rod and an elastic member;

one end of the transmission rod is hinged to the power arm, and the other end of the transmission rod is connected to one end of the elastic piece;

one end of the elastic part, which is far away from the transmission rod, is connected with the adsorption part.

7. The tire auxiliary inflating device of claim 5, wherein a second lock is further provided between each power arm and the chuck;

the second locking member is adapted to releasably lock the powered arm and the chuck, the powered arm being rotatable relative to the chuck when the second locking member releases the powered arm and the chuck.

8. The tire auxiliary inflation apparatus of claim 7, wherein the second retaining member has first and second opposing ends;

the first end is hinged to the power arm, and the second end is provided with a limiting part;

the chuck is provided with a plurality of clamping grooves corresponding to each actuating mechanism, and the limiting part is used for being selectively clamped in one clamping groove.

9. The tire auxiliary inflating device of claim 1, further comprising a suction mechanism;

the air exhaust mechanism is used for exhausting the air in the adsorption piece so that the adsorption piece is adsorbed on the tire.

10. The tire auxiliary inflating device of claim 9, wherein each of the suction members is communicated with the air extracting mechanism through an air extracting tube;

an air valve switch is arranged on the air exhaust pipe.

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