阅读说明：本技术 一种轮胎拆装机 (Tire dismouting machine ) 是由 崔有为 于 2021-09-23 设计创作，主要内容包括：本发明涉及汽修设备技术领域,且公开了一种轮胎拆装机,包括机座,所述机座内腔的底部固定安装有电机,所述电机的顶部伸出有转轴。该轮胎拆装机,通过活动轴的上下滑动安装,车轮套装在活动套的外表面,卡杆转动与轮辋的螺孔配合后,活动轴向下移动可以将卡杆深入到轮辋的螺孔内,活动套旋转能够带动这轮旋转,轮辋螺孔部位,刚性大,壁厚,在带动轮毂旋转时,不易变形损坏,轮辋在拆装轮胎后,安装在车上后,不会发生跳动,保证行车安全；同时活动套与转套是上下活动套装,且活动套在弹簧的作用下,位置高于机座上表面一个轮辋宽度,使得车轮在套装固定时,不需要辨别正反面,都能将车轮固定,简化了车轮压胎后的固定操作。(The invention relates to the technical field of automobile repair equipment and discloses a tire dismounting machine which comprises a machine base, wherein a motor is fixedly installed at the bottom of an inner cavity of the machine base, and a rotating shaft extends out of the top of the motor. According to the tire dismounting machine, the movable shaft is mounted in a vertically sliding mode, the wheel is sleeved on the outer surface of the movable sleeve, after the clamping rod rotates to be matched with the screw hole of the rim, the movable shaft moves downwards to enable the clamping rod to penetrate into the screw hole of the rim, the movable sleeve rotates to drive the wheel to rotate, the screw hole of the rim is high in rigidity and thick in wall thickness, when the driving hub rotates, the wheel is not prone to deformation and damage, after the tire is dismounted, the rim cannot jump after being mounted on a vehicle, and driving safety is guaranteed; meanwhile, the movable sleeve and the rotating sleeve are movably sleeved up and down, and the movable sleeve is positioned higher than the upper surface of the machine base by the width of a rim under the action of the spring, so that the wheel can be fixed without distinguishing the front side and the back side when the wheel is sleeved and fixed, and the fixing operation of the wheel after tire pressing is simplified.)

1. A tyre changer, comprising a machine base (1), characterized in that: the motor (2) is fixedly arranged at the bottom of the inner cavity of the machine base (1), a rotating shaft (3) extends out of the top of the motor (2), a rotating sleeve (4) is movably sleeved on the outer surface of the rotating shaft (3), a transmission gear (5) is fixedly sleeved above the rotating shaft (3), the transmission gear (5) is meshed with a gear movably sleeved in the inner cavity of the rotating sleeve (4), the gear movably sleeved in the inner cavity of the rotating sleeve (4) is matched with the inner surface tooth socket of the rotating sleeve (4), a movable sleeve (6) is movably sleeved on the outer surface of the rotating sleeve (4) from top to bottom, a spring (7) is arranged between the bottom surface of the movable sleeve (6) and the upper surface of the machine base (1), a limiting groove (8) is formed in the machine base (1), the bottom surface of the movable sleeve (6) is protruded to be matched with the limiting groove (8), and a movable shaft (9) is slidably arranged on the upper portion of the movable sleeve (6), the upper surface of the end face, matched with the movable sleeve (6), of the movable shaft (9) is provided with a pressure spring (10), and the outer surface of the movable shaft (9) is movably sleeved with a clamping rod (11).

2. A tyre changing machine according to claim 1 in which: frame (1) upper surface's one side axle sleeve is equipped with down arm (12), the top slidable mounting of falling arm (12) has slide bar (13), the one end fixed mounting of slide bar (13) has flexible cover (14), the bottom fixed mounting of loose axle has arc frame (15) in flexible cover (14), spout (16) have been seted up to the lower surface of arc frame (15), the lower surface of arc frame (15) slidable mounting has in spout (16) takes off child pincers (17), draw-in groove (18) have been seted up to one side at pivot (3) top.

3. A tyre changing machine according to claim 2 in which: the length of the arc frame (15) exceeds a half circle, the length of the sliding groove (16) is equal to a half circle, and the clamping groove (18) is L-shaped.

4. A tyre changing machine according to claim 1 in which: the height of the movable sleeve (6) from the upper surface of the machine base (1) is larger than the width of the wheel rim.

5. A tyre changing machine according to claim 1 in which: the movable shaft (9) is installed inside the movable sleeve (6) in a vertically sliding mode, and the distance between the bottom face of the clamping rod (11) and the bottom plate of the movable sleeve (6) is larger than the thickness of the rim connecting frame, namely the length of a rim screw hole.

Technical Field

The invention relates to the technical field of automobile repair equipment, in particular to a tire mounting and dismounting machine.

Background

A tire changer, also called a tire changer and a tire changer, for mounting and demounting tires, which can change tires for various vehicles such as automobiles, heavy trucks, motorcycles, and the like, includes a tire supporting mechanism for locking a rim of a wheel and rotating the rim of the wheel, and a tire changer for detaching or mounting a corresponding tire from or to the rim.

The existing tire dismounting machine firstly utilizes the tire pressing shovel to extrude the tire to deform, is separated from a rim, places the rim on a supporting mechanism, utilizes a clamping jaw to fix the rim, utilizes the tire dismounting pliers to be matched with the rim to leave a gap after returning the inverted arm, recycles a pry bar to go deep into the tire, is matched with the tire dismounting pliers, takes a matching point as a fulcrum, upwards dials the tire, then utilizes a rotating mechanism to drive the clamping jaw to rotate, and when the rim rotates, the pry bar can rotate for a circle to separate the tire from the rim.

The existing four clamping jaws are in contact with the rim and fixed in four different directions, and need to move simultaneously, so that the structural design is complex; meanwhile, the thickness of the tire mounting position of the automobile hub is small, and under the expansion clamping action of the existing clamping mechanism, the wall of the hub is easy to deform, so that the roundness of the hub is poor, the tire is mounted, and then the tire rotates to jump, so that the driving danger is caused.

Disclosure of Invention

The invention provides a tire dismounting machine which has the advantages of simple structure for fixing and mounting a wheel, no deformation during rim fixing and higher dismounting speed, and solves the problems that the structure for fixing and mounting the wheel is complex, and the wheel is easy to deform to cause wheel jumping when the rim is expanded, supported and fixed.

The invention provides the following technical scheme: the utility model provides a tire dismouting machine, includes the frame, the bottom fixed mounting of frame inner chamber has the motor, the top of motor is stretched out there is the pivot, the surface movable sleeve of pivot is equipped with changes the cover, the fixed cover in top of pivot is equipped with the driving gear, the driving gear meshes with the tooth that changes the movable sleeve of cover inner chamber, the tooth that changes the movable sleeve of cover inner chamber and the cooperation of the internal surface tooth's socket of commentaries on classics cover, movable sleeve is equipped with the movable sleeve about changeing the surface of cover, install the spring between the bottom surface of movable sleeve and the frame upper surface, the spacing groove has been seted up to the inside of frame, the bottom surface protrusion and the spacing groove cooperation of movable sleeve, the top slidable mounting of movable sleeve has the loose axle, surface mounting has the pressure spring with movable sleeve complex terminal surface, the surface movable sleeve of loose axle is equipped with the kelly.

Preferably, a reversing arm is arranged on one side of the upper surface of the machine base in a shaft sleeve mode, a sliding rod is slidably mounted at the top of the reversing arm, a telescopic sleeve is fixedly mounted at one end of the sliding rod, an arc frame is fixedly mounted at the bottom of a movable shaft in the telescopic sleeve, a sliding groove is formed in the lower surface of the arc frame, tire removing pliers are slidably mounted on the lower surface of the arc frame in the sliding groove, and a clamping groove is formed in one side of the top of the rotating shaft.

Preferably, the length of the arc frame exceeds a half circle, the length of the sliding groove is equal to a half circle, and the clamping groove is L-shaped.

Preferably, the height of the movable sleeve from the upper surface of the base is larger than the width of the wheel rim.

Preferably, the movable shaft is installed inside the movable sleeve in a vertically sliding mode, and the height from the bottom surface of the clamping rod to the bottom plate of the movable sleeve is larger than the thickness of the rim connecting frame, namely the length of a rim screw hole.

The invention has the following beneficial effects:

1. according to the tire dismounting machine, the movable shaft is mounted in a vertically sliding mode, the wheel is sleeved on the outer surface of the movable sleeve, after the clamping rod rotates to be matched with the screw hole of the rim, the movable shaft moves downwards to enable the clamping rod to penetrate into the screw hole of the rim, the movable sleeve rotates to drive the wheel to rotate, the screw hole of the rim is high in rigidity and thick in wall thickness, when the driving hub rotates, the wheel is not prone to deformation and damage, after the tire is dismounted, the rim cannot jump after being mounted on a vehicle, and driving safety is guaranteed; meanwhile, the movable sleeve and the rotating sleeve are movably sleeved up and down, and the movable sleeve is positioned higher than the upper surface of the machine base by the width of a rim under the action of the spring, so that the wheel can be fixed without distinguishing the front side and the back side when the wheel is sleeved and fixed, and the fixing operation of the wheel after tire pressing is simplified.

2. This tire dismouting machine, length through the arc frame exceeds the half circle, the length of spout equals the half circle, and the draw-in groove is "L" form, cooperate with the pinch bar, make the pinch bar insert behind the tire with take off the child pincers cooperation, use taking off the child pincers as the fulcrum, the other end and draw-in groove cooperation, can block the pinch bar, under the rotation of pivot, can drive the pinch bar rotation, rotatory pinch bar drives takes off the child pincers and slides in the spout, the movable sleeve drives rim direction of rotation and pinch bar direction of rotation opposite, make the rim only need rotate one hundred eighty degrees, just can be with rim and tire dismouting, equipment work effect is higher.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic bottom view of the arc frame of the present invention.

In the figure: 1. a machine base; 2. a motor; 3. a rotating shaft; 4. rotating the sleeve; 5. a transmission gear; 6. a movable sleeve; 7. a spring; 8. a limiting groove; 9. a movable shaft; 10. a pressure spring; 11. a clamping rod; 12. arm reversing; 13. a slide bar; 14. a telescopic sleeve; 15. an arc frame; 16. a chute; 17. taking off the fetus pincers; 18. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

Referring to fig. 1-3, a tire mounting and dismounting machine comprises a base 1, a motor 2 is fixedly mounted at the bottom of an inner cavity of the base 1, a rotating shaft 3 extends out of the top of the motor 2, a rotating sleeve 4 is movably sleeved on the outer surface of the rotating shaft 3, a transmission gear 5 is fixedly sleeved above the rotating shaft 3, the transmission gear 5 is engaged with a gear movably sleeved in the inner cavity of the rotating sleeve 4, the gear movably sleeved in the inner cavity of the rotating sleeve 4 is matched with a gear groove on the inner surface of the rotating sleeve 4, so that the rotating direction of the rotating shaft 3 is opposite to that of the rotating sleeve 4, the rotating sleeve 4 drives a movable sleeve 6 to rotate so as to drive a rim to rotate, the rotating shaft 3 drives a pry bar clamped in a clamping groove 18 to rotate so that the separation efficiency between a tire and the rim is faster, the movable sleeve 6 is movably sleeved on the upper and lower surfaces of the outer surface of the rotating sleeve 4, a spring 7 is mounted between the bottom surface of the movable sleeve 6 and the upper surface of the base 1, a limiting groove 8 is formed in the base 1, the bottom surface of the movable sleeve 6 protrudes to be matched with the limiting groove 8, the height of the movable sleeve 6 from the upper surface of the machine base 1 is larger than the width of a rim, after the front and back surfaces of the rim are matched with the movable sleeve 6 in a sleeved mode, the clamping rod 11 can be matched with a screw hole of the rim, the movable sleeve 6 can drive the rim to rotate after rotating, the rim and a tire are disassembled and assembled, the movable shaft 9 is slidably installed at the upper portion of the movable sleeve 6, the pressure spring 10 is installed on the upper surface of the end surface, matched with the movable sleeve 6, of the movable shaft 9, the clamping rod 11 is movably sleeved on the outer surface of the movable shaft 9, the movable shaft 9 is slidably installed in the movable sleeve 6 up and down, the height of the bottom surface of the clamping rod 11 from the bottom plate of the movable sleeve 6 is larger than the thickness of the rim connecting frame, namely, the height of the clamping rod 11 is larger than the length of the screw hole of the rim, the rim can be rotated out to be matched with the screw hole of the rim after being sleeved on the outer surface of the movable sleeve 6, and can move downwards under the action of the pressure spring 10, the clamping rod 11 can go deep into a screw hole of a rim, the rim can be driven to rotate after the movable sleeve 6 rotates, disassembly and assembly can be carried out, the inverted arm 12 is sleeved on one side of the upper surface of the machine base 1 in a shaft mode, the slide rod 13 is slidably mounted at the top of the inverted arm 12, the telescopic sleeve 14 is fixedly mounted at one end of the slide rod 13, the arc frame 15 is fixedly mounted at the bottom of the movable shaft in the telescopic sleeve 14, the sliding groove 16 is formed in the lower surface of the arc frame 15, the tire removing pliers 17 are slidably mounted on the lower surface of the arc frame 15 in the sliding groove 16, the clamping groove 18 is formed in one side of the top of the rotating shaft 3, the length of the arc frame 15 exceeds a half circle, the length of the sliding groove 16 is equal to a half circle, the clamping groove 18 is L-shaped, the prying rod is matched with the tire removing pliers 17 after being inserted into a tire, the other end of the prying rod can be clamped with the clamping groove 18, the prying rod can be driven to rotate under the rotation of the rotating shaft 3, rotatory pinch bar drives takes off child pincers 17 and slides in spout 16, and movable sleeve 6 drives rim direction of rotation and pinch bar direction of rotation opposite for the rim only need rotate one hundred eighty degrees, just can be with rim and tire dismouting, and equipment work effect is higher.

The working principle of the tire changer of the present invention is as follows:

firstly, the wheel after pressing the tire is sleeved with the movable sleeve 6, when the wheel is normally installed, the movable sleeve 6 is sleeved in a straight hole of a rim and then is matched with a shaft hole of a rim connecting frame, the movable sleeve 6 is compressed and has small downward moving amount, then the clamping rod 11 is pulled out and is aligned with an installation screw hole of the rim, under the action of the pressure spring 10, the clamping rod 11 can move downward and penetrate into the installation screw hole of the rim to fix the wheel and can rotate along with the rotation of the movable sleeve 6, when the wheel is reversely installed, the movable sleeve 6 is directly matched with the shaft hole of the rim connecting frame, the movable sleeve 6 is pressed to the lowest part, meanwhile, a protrusion at the bottom of the movable sleeve 6 is matched with the limiting groove 8 to slide, the clamping rod 11 is pulled out, the steps are repeated, the rim can be driven by the movable sleeve 6 to rotate, the prying rod is inserted into the tire and is matched with the tire-removing pliers 17, the prying rod is used as a fulcrum, the other end of the prying rod is matched with the clamping groove 18, the motor 2 works to drive the rotating shaft 3 to rotate through the transmission teeth 5, the rotating direction of the rotating sleeve 4 is opposite to that of the rotating shaft 3, the rotating shaft 3 can drive a prying bar clamped in the clamping groove 18 to rotate, the prying bar can drive the tire removing pliers 17 to slide along the sliding groove 16 in a rotating mode, the prying bar can disassemble and assemble the rim and the tire, and only the movable sleeve 6 is needed to drive the wheel to rotate by one hundred eighty degrees.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.