Self-centering pneumatic tire elevator

Abstract

The utility model discloses a self-centering pneumatic tire elevator which comprises a bottom plate and two parallel guide rail sliding rails fixed on the bottom plate, a sliding plate base is arranged on the guide rail sliding rails in a sliding mode, a hollow stand column body is fixed on the sliding plate base, and a vertical sliding groove is formed in the side wall of the hollow stand column body. An air cylinder is fixed to the middle of a cavity of the hollow stand column body, an upper sliding base is arranged above the air cylinder, and a lower sliding base is arranged at the bottom end of a piston shaft of the air cylinder. The upper sliding seat is connected with an upper supporting jig frame, and the lower sliding seat is connected with a lower supporting jig frame; and a spring piece is fixed between the side wall of the hollow stand column body and the end part of the bottom plate. The tire clamping device is reasonable in structural arrangement, the air cylinder is arranged to be matched with the steel wire to achieve synchronous unfolding or clamping of the upper sliding seat and the lower sliding seat, it is guaranteed that the center position of a tire is always located in the middle of the air cylinder during clamping, self-centering is achieved, follow-up translation and assembly operation are facilitated, operation is convenient and fast, and use is stable and reliable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tire lifting technical field, concretely relates to a self-centering pneumatic tire lifter. BACKGROUND

[0002] The automobile tire needs to be lifted when being repaired, and the prior art is mainly manually operated, but the large size and heavy weight of the automobile tire will affect the stability and effectiveness of the lifting, such as the patent CN202323421927.6, a tire lifter, comprising a base, a foot wheel is installed below the base, a lifting mechanism is installed above the base, the lifting mechanism comprises a frame body, a lead screw is installed in the frame body, the lead screw is connected with a driving device, a nut is installed on the lead screw, a load-bearing sliding sleeve is connected with the nut, a sliding groove is formed in the frame body, and the load-bearing sliding sleeve is connected with a lifting roller mechanism arranged outside the frame body through the sliding groove.

[0003] Although it can meet the general use requirements, it is not conducive to positioning the tire, and it cannot effectively realize the centering operation of the tire, which will affect the assembly precision and efficiency, the use convenience is limited, and the applicability is limited. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a self-centering pneumatic tire lifter with reasonable structure and convenient use.

[0005] The technical scheme for realizing the utility model is a self-centering pneumatic tire lifter, which comprises a bottom plate, two parallel guide rails fixed on the bottom plate, a sliding plate base slidably arranged on the guide rail, a hollow column fixed on the sliding plate base, a vertical sliding groove arranged on the side wall of the hollow column, a gas cylinder fixed in the middle of the hollow column, a short bearing and a long bearing arranged in the hollow column, an upper sliding seat arranged above the gas cylinder, and a lower sliding seat arranged at the bottom end of the piston shaft of the gas cylinder.

[0006] The gas cylinder is connected with the upper sliding seat through a steel wire, and the steel wire is arranged on the long bearing and the short bearing.

[0007] The gas cylinder is connected with the upper sliding seat through a steel wire, and the steel wire is arranged on the long bearing and the short bearing.

[0008] The upper sliding seat is connected with an upper tire support, the lower sliding seat is connected with a lower tire support, and the upper tire support and the lower tire support are arranged outside the hollow column.

[0009] The gas cylinder drives the upper sliding seat and the lower sliding seat to link up through the steel wire, and the upper tire support and the lower tire support complete the clamping and positioning of the tire.

[0010] The spring member is fixed between the side wall of the hollow vertical column body and the end of the bottom plate.

[0011] Further preferably, a plurality of guide rods are fixed in the hollow vertical column body.

[0012] The upper slide seat and the lower slide seat are both provided with guide holes.

[0013] The guide rods are arranged in the guide holes.

[0014] Further preferably, the upper tire supporting frame comprises a connecting plate and two parallel and horizontally arranged supporting rods fixed on the connecting plate.

[0015] The connecting plate is fixed on the upper slide seat by screws.

[0016] Further preferably, the lower tire supporting frame has the same structure as the upper tire supporting frame, and the two supporting rods of the upper tire supporting frame are parallel to the two supporting rods of the lower tire supporting frame.

[0017] Further preferably, a hand plate valve connected with the air cylinder is arranged on the outer wall of the hollow vertical column body.

[0018] Further preferably, a plurality of tool hanging handles are fixed on the outer wall of the hollow vertical column body.

[0019] Further preferably, an inspection passage is arranged on the side of the hollow vertical column body, and a cover is fixed on the inspection passage by screws.

[0020] Further preferably, an oil atomizer is fixed on the end of the bottom plate by a support.

[0021] Further preferably, a sliding block set is arranged on the bottom surface of the slide plate base, and the sliding block set is arranged on the guide rail sliding rail in a sliding mode.

[0022] Further preferably, an installation slope plate is arranged on the side of the bottom plate.

[0023] Further preferably, an air cylinder pin shaft is arranged on the side of the hollow vertical column body.

[0024] The utility model has the positive effect: the structure of the utility model is reasonable, and the upper slide seat and the lower slide seat can be expanded or clamped synchronously through the air cylinder, so that when the tire is arranged on the lower tire supporting frame, the center position of the tire can be ensured to be always in the middle position of the air cylinder when the air cylinder is clamped, self-centering is realized, subsequent translation and assembly operations are facilitated, operation is convenient and stable and reliable in use, and the applicability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the drawings, the utility model is further described in detail, wherein,

[0026] Fig. 1 It is the structure schematic diagram of the utility model;

[0027] Fig. 2 It is the structure schematic diagram when the utility model lower tire support frame is split;

[0028] Fig. 3 It is the structure schematic diagram when the utility model is exploded.

[0029] Reference signs: bottom plate 1, guide rail slide rail 2, slide plate base 3, hollow vertical column body 4, air cylinder 5, upper slide base 6, lower slide base 7, short bearing 8, upper tire support frame 9, connecting plate 91, support rod 92, long bearing 10, lower tire support frame 11, spring piece 12, guide rod 13, hand plate valve 14, tool hanging handle 15, face cover 16, oil atomizer 17, slide block set 18, installation slope plate 19, air cylinder pin shaft 20. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] EMBODIMENT

[0032] See Figs. 1 to 3 As shown in the figure, a self-centering pneumatic tire lifter includes a bottom plate 1, two guide rail slide rails 2 fixed on the bottom plate and parallel, a slide plate base 3 is slidably arranged on the guide rail slide rail, a hollow vertical column body 4 is fixed on the slide plate base, and a vertical sliding groove is arranged on the side wall of the hollow vertical column body. In the embodiment, the bottom plate, the guide rail slide rail and the slide plate base are all conventional structures of prior art, the slide plate base can translate on the guide rail slide rail, the translation operation of the hollow vertical column body is realized, that is, the translation operation of the tire is realized, and the subsequent assembly operation is facilitated under the condition of ensuring the center of the tire.

[0033] In this embodiment, the middle part of the cavity of the hollow column body is fixed with a cylinder 5, the inside of the hollow column is provided with a short bearing 8 and a long bearing 10, the upper part of the cylinder is provided with an upper sliding seat 6, the cylinder is connected with the upper sliding seat through a steel wire, and the steel wire is arranged on the long bearing and the short bearing; the bottom end of the piston shaft of the cylinder is provided with a lower sliding seat 7; the cylinder is a conventional structure of the prior art, which is only simply applied; the short bearing and the long bearing are arranged on both sides of the cylinder, so that the upper sliding seat and the lower sliding seat move in opposite directions when the cylinder is stretched and contracted, and the opening or clamping is completed.

[0034] And when assembling, the upper sliding seat is connected with an upper tire support frame 9, the lower sliding seat is connected with a lower tire support frame 11, the cylinder drives the upper sliding seat and the lower sliding seat through the steel wire, and the upper tire support frame and the lower tire support frame complete the clamping positioning of the tire.

[0035] The upper tire support frame and the lower tire support frame are both outside the hollow column body; through the above structure, the upper sliding seat drives the upper tire support frame to rise and fall in the vertical sliding groove, and at the same time, the lower sliding seat drives the lower tire support frame to rise and fall in the vertical sliding groove, and in this embodiment, the end part between the side wall and the bottom plate of the hollow column body is fixed with a spring piece 12. The spring piece is mainly used for translation reset operation, which improves the stability and effectiveness of use.

[0036] In this embodiment, a plurality of guide rods 13 are fixed in the hollow column body; guide holes are arranged on the upper sliding seat and the lower sliding seat; and the guide rods are arranged in the guide holes. The guide rods cooperate with the guide holes to ensure the stability and smoothness of lifting, prevent tilting or shaking, and the guide rods are two or four, which are limited by two or four points to ensure the effectiveness of translation.

[0037] In this embodiment, the upper tire support frame includes a connecting plate 91 and two parallel and horizontal support rods 92 fixed on the connecting plate; and the connecting plate is fixed on the upper sliding seat through screws. At the same time, the lower tire support frame has the same structure as the upper tire support frame, and the two support rod connecting lines of the upper tire support frame are parallel to the two support rod connecting lines of the lower tire support frame. When in use, the tire is between the two support rods of the upper tire support frame and the two support rods of the lower tire support frame, which can prevent the tire from loosening or falling off, and improve the stability and reliability of tire lifting. When in use, the cylinder is stretched and contracted to drive the upper tire support frame and the lower tire support frame to open outward or clamp towards the center at the same time. When opening outward at the same time, it is convenient to put in the tire, and when clamping towards the center at the same time, it can clamp and position the tire, and can ensure that the center positions of the tires are the same, that is, the middle positions of the connecting lines of the upper tire support frame and the lower tire support frame.

[0038] When clamping, the four support rods of the upper tire support frame and the lower tire support frame complete four-point positioning of the tire, so as to ensure the stable and reliable position of the tire.

[0039] In the embodiment, a hand plate valve 14 is arranged on the outer wall of the hollow column body and connected with the air cylinder. A plurality of tool hanging handles 15 are fixed on the outer wall of the hollow column body, which facilitates control operation and hanging of corresponding tools.

[0040] In the embodiment, a maintenance channel is arranged on the side of the hollow column body, and a cover 16 is fixed on the maintenance channel by screws, which facilitates disassembly and maintenance operation.

[0041] In the embodiment, an oil atomizer 17 is fixed on the end of the bottom plate by a support. The oil atomizer is a conventional structure of the prior art, and thus is not described in detail, but only applied.

[0042] In the embodiment, in order to improve the stability and effectiveness of sliding, a sliding block set 18 is arranged on the bottom surface of the sliding plate base, and the sliding block set is arranged on the guide rail in a sliding mode.

[0043] In order to facilitate the entry of the tire, a mounting slope plate 19 is arranged on the side of the bottom plate. In use, the tire can be rolled on the lower tire support frame from the mounting slope plate. In order to facilitate the entry of the tire, the lower tire support frame can be lowered to the top surface of the bottom plate and be in the same plane as the top point of the mounting slope plate, so that the tire can be directly rolled into the lower tire support frame, and then be lifted by the air cylinder. At this time, the lower tire support frame is lifted, and the upper tire support frame is lowered synchronously by the steel wire, and the tire is clamped by the lower tire support frame. Since the upper tire support frame and the lower tire support frame are synchronously and oppositely clamped, the center positions of the two are fixed.

[0044] In the embodiment, in order to ensure the stability of the position and improve the installation, an air cylinder pin shaft 20 is arranged on the side of the hollow column body. The air cylinder pin shaft is a conventional structure of the prior art and can prevent falling.

[0045] The utility model has the positive effect that: the structure of the utility model is reasonable, the upper sliding seat and the lower sliding seat can be synchronously unfolded or clamped by arranging the air cylinder, so that when the tire is arranged on the lower tire support frame, the center position of the tire can be ensured to be always in the middle position of the air cylinder when the air cylinder is clamped, self-centering is realized, subsequent translation and assembly operations are facilitated, operation is convenient, use is stable and reliable, and the applicability is strong.

[0046] In the embodiment, standard parts can be directly purchased from the market, and non-standard structural parts according to the description can also be directly processed according to existing technical knowledge without doubt. Meanwhile, the connection mode of each part adopts a mature conventional means in the prior art, and the machinery, parts and equipment adopt conventional models in the prior art, so that specific description is not made here.

[0047] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the implementation modes. The obvious changes or variations extended from the essential spirit of the present application still belong to the protection scope of the present application.

Claims

1. A self-centering pneumatic tire lift comprising a base plate, two parallel guide rails fixed on the base plate, and a slide plate base slidably arranged on the guide rails, characterized in that: The hollow vertical column body is fixed on the skateboard base, and a vertical sliding groove is arranged on the side wall of the hollow vertical column body; A gas cylinder is fixed in the middle of the cavity of the hollow vertical column body, and a short bearing and a long bearing are arranged in the hollow vertical column body, an upper sliding seat is arranged above the gas cylinder, and a lower sliding seat is arranged at the bottom end of the piston shaft of the gas cylinder; The gas cylinder is connected with the upper sliding seat through a steel wire, and the steel wire is arranged on the long bearing and the short bearing; The upper sliding seat is connected with an upper tire supporting frame, and the lower sliding seat is connected with a lower tire supporting frame, and the upper tire supporting frame and the lower tire supporting frame are arranged outside the hollow vertical column body; The gas cylinder drives the upper sliding seat and the lower sliding seat to link together through the steel wire, and the upper tire supporting frame and the lower tire supporting frame complete clamping and positioning of the tire; A spring piece is fixed between the side wall of the hollow vertical column body and the end of the bottom plate.

2. A self-centering pneumatic tire lift as defined in claim 1, wherein: A plurality of guide rods are fixed in the hollow vertical column body; Guide holes are arranged on the upper sliding seat and the lower sliding seat; The guide rods are arranged in the guide holes.

3. A self-centering pneumatic tire lift as defined in claim 1, wherein: The upper tire supporting frame comprises a connecting plate and two parallel supporting rods fixed on the connecting plate and arranged on the same horizontal plane; The connecting plate is fixed on the upper sliding seat through screws.

4. A self-centering pneumatic tire lift as defined in claim 3, wherein: The lower tire supporting frame has the same structure as the upper tire supporting frame, and the connecting line of the two supporting rods of the upper tire supporting frame is parallel to the connecting line of the two supporting rods of the lower tire supporting frame.

5. A self-centering pneumatic tire lift as defined in claim 1, wherein: A hand valve connected with the gas cylinder is arranged on the outer wall of the hollow vertical column body.

6. A self-centering pneumatic tire lift as defined in claim 1, wherein: A plurality of tool hanging handles are fixed on the outer wall of the hollow vertical column body.

7. A self-centering pneumatic tire lift as defined in claim 1, wherein: An inspection channel is arranged on the side of the hollow vertical column body, and a cover is fixed on the inspection channel through screws.

8. A self-centering pneumatic tire lift as defined in claim 1, wherein: An oil sprayer is fixed on the end of the bottom plate through a support.

9. A self-centering pneumatic tire lift as defined in claim 1, wherein: A mounting slope is arranged on the side of the bottom plate.

10. A self-centering pneumatic tire lift as defined in claim 1, wherein: A gas cylinder pin shaft is arranged on the side of the hollow vertical column body.

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