Fastening mechanism for tire balance detection

Abstract

The utility model discloses a fastening mechanism for tire balance detection. The fastening mechanism comprises a workbench; one end of the rotating mechanism is arranged in the working table, the other end of the rotating mechanism extends out of the working table, and the rotating mechanism is suitable for hanging a tire and driving the tire to rotate; the fastening mechanism is arranged on the rotating mechanism in a sleeving mode and is driven by the rotating mechanism to rotate, the fastening mechanism can be switched to be in an extending state or a contracting state on the rotating mechanism, and when the fastening mechanism is switched to be in the extending state, the fastening mechanism is driven by the rotating mechanism to rotate. And when the fastening mechanism is switched to the contraction state, the fastening mechanism extends out of the outer circumferential surface and abuts against the inner circumferential surface of the tire so that the tire can be kept stable in the detection chamber, and when the fastening mechanism is switched to the contraction state, the fastening mechanism retracts towards the rotating mechanism so that the tire on the rotating mechanism can be taken out.

Description

Technical Field

[0001] The utility model relates to the technical field of tires, in particular to a fastening mechanism for tire balance detection. Background Art

[0002] A balancing machine is an instrument used to measure rotor imbalance. It is a hard-bearing balancing machine with a large pendulum frame rigidity. The measurement results of a dynamic balancing machine are used to correct the rotor imbalance, so that the vibration generated when the rotor rotates or the vibration acting on the bearing is reduced to an allowable range, so as to achieve the purpose of reducing vibration, improving performance and improving product quality.

[0003] The existing tire balancing machine uses a nut at the end of the balancing shaft to rotate and fix the tire so that the tire will not fall or shift during testing. However, after being used for a long time, the nut may slip, making it difficult to fix the tire, and there is a risk of the tire falling during testing. Utility Model Content

[0004] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, one purpose of the utility model is to provide a fastening mechanism for tire balance detection, comprising:

[0005] Workbench;

[0006] A rotating mechanism, one end of which is disposed inside the workbench, and the other end of which extends outside the workbench, and the rotating mechanism is suitable for hanging a tire and driving the tire to rotate;

[0007] The fastening mechanism is sleeved on the rotating mechanism and driven to rotate by the rotating mechanism, and the fastening mechanism can be switched to an extended state or a contracted state on the rotating mechanism. When the fastening mechanism is switched to the extended state, the fastening mechanism extends toward the outer circumference and abuts against the inner circumference of the tire to keep the tire stable in the detection room. When the fastening mechanism is switched to the contracted state, the fastening mechanism retracts toward the rotating mechanism to allow the tire on the rotating mechanism to be removed.

[0008] Preferably, the mechanism is composed of four extension mechanisms, and the four extension mechanisms are arranged around the outer circumference of the rotating mechanism.

[0009] Preferably, a cavity is provided in the workbench.

[0010] Preferably, the rotating mechanism comprises:

[0011] a fixing plate, the fixing plate being arranged in the cavity;

[0012] A positioning hole, which is arranged on a side of the workbench and communicates with the cavity;

[0013] A motor, wherein the motor is arranged on the fixing plate;

[0014] A connecting shaft, one end of which is arranged in the cavity and is drivingly connected to the transmission shaft of the motor, and the other end of which passes through the positioning hole and extends to the outer side surface of the workbench.

[0015] Preferably, a limiting plate is provided at the end of the connecting shaft, and the four extending mechanisms are provided on the outer peripheral surface of the limiting plate.

[0016] Preferably, the extending mechanism comprises:

[0017] A gas rod, the gas rod being arranged on the outer peripheral surface of the limiting plate;

[0018] A positioning ring connected to the transmission end of the gas rod;

[0019] A mounting groove, which is arranged on the positioning ring and passes through the outer peripheral surface of the positioning ring, and the mounting groove is arranged in an arc shape;

[0020] Two springs, the two springs are respectively arranged at two ends of the installation groove opposite to each other;

[0021] The adsorption plate is slidably arranged in the mounting groove, and the adsorption plate is arranged in an arc shape.

[0022] Preferably, the extending mechanism further comprises:

[0023] A plurality of adsorption holes, wherein the plurality of adsorption holes are arranged in the adsorption plate at equal intervals, and the plurality of adsorption holes penetrate the outer peripheral surface of the adsorption plate;

[0024] A through cavity, which is disposed at the bottom of the plurality of adsorption holes and is connected with the plurality of adsorption holes;

[0025] A connecting hole is provided at the bottom of the adsorption plate, one end of the connecting hole is communicated with the through cavity, and the other end of the connecting hole is connected to the outer peripheral surface of the adsorption plate.

[0026] The above solution of the utility model includes at least the following beneficial effects:

[0027] When the tire needs to be inspected, the tire is rotated and fixed to the end of the rotating mechanism, and the inner side of the tire abuts against the fastening mechanism. Then the fastening mechanism switches to an extended state and moves toward the outer peripheral surface of the tire, and abuts against the outer peripheral surface of the tire to fix the tire for a second time. Then the rotating mechanism drives the tire to rotate and perform inspection. After the tire inspection is completed, the fastening mechanism switches to a contracted state and moves toward the direction of the rotating mechanism. Finally, the user can rotate and remove the tire from the rotating mechanism.

[0028] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0030] Figure 1 It is a structural schematic diagram of a fastening mechanism for tire balance detection provided in an embodiment of the utility model;

[0031] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure of AA;

[0032] Figure 3 It is a structural schematic diagram of a fastening mechanism provided in an embodiment of the utility model;

[0033] Figure 4 yes Figure 3 Schematic diagram of the cross-sectional structure of BB.

[0034] Description of Figure Numbers:

[0035] 1. Workbench, 2. Rotating mechanism, 3. Fastening mechanism;

[0036] 101. Cavity;

[0037] 201, fixing plate, 202, positioning hole, 203, motor, 204, connecting shaft, 205, limiting plate;

[0038] 301. gas rod, 302. positioning ring, 303. mounting groove, 304. spring, 305. adsorption plate, 306. adsorption hole, 307. through cavity, 308. connecting hole.

[0039] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0040] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0041] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0045] The fastening mechanism for tire balance detection according to an embodiment of the utility model will be described in detail below with reference to the accompanying drawings.

[0046] See also Figures 1 to 4 In this embodiment, it includes: a workbench 1; a rotating mechanism 2, one end of the rotating mechanism 2 is arranged in the workbench 1, and the other end of the rotating mechanism 2 extends outside the workbench 1, and the rotating mechanism 2 is suitable for hanging a tire and driving the tire to rotate; a fastening mechanism 3, the fastening mechanism 3 is sleeved on the rotating mechanism 2, and is driven by the rotating mechanism 2 to rotate, and the fastening mechanism 3 on the rotating mechanism 2 can be switched to an extended state or a contracted state. When the fastening mechanism 3 is switched to the extended state, the fastening mechanism 3 extends toward the outer circumference and abuts against the inner circumference of the tire to keep the tire stable in the inspection room. When the fastening mechanism 3 is switched to the extended state, the fastening mechanism 3 extends toward the outer circumference and abuts against the inner circumference of the tire to keep the tire stable in the inspection room. When switched to the contracted state, the fastening mechanism 3 retracts toward the rotating mechanism 2 so that the tire on the rotating mechanism 2 can be removed; when the tire needs to be inspected, the tire is rotated and fixed to the end of the rotating mechanism 2, and the inner side of the tire abuts against the fastening mechanism 3, and then the fastening mechanism 3 switches to the extended state and moves toward the outer peripheral surface of the tire, and abuts against the outer peripheral surface of the tire to fix the tire for a second time, and then the rotating mechanism 2 drives the tire to rotate and perform inspection. After the tire inspection is completed, the fastening mechanism 3 switches to the contracted state and moves toward the direction of the rotating mechanism 2, and finally the user can rotate and remove the tire from the rotating mechanism 2.

[0047] In this embodiment, the mechanism is composed of four extension mechanisms, and the four extension mechanisms are arranged around the outer circumference of the rotating mechanism 2; the four extension mechanisms can be switched to an extended state or a contracted state so as to be fixed against the tire on the rotating mechanism 2, and the four extension mechanisms rotate with the rotating mechanism 2, and the tire is fixed for a second time through the four extension mechanisms to prevent the tire from falling or shifting during detection.

[0048] In this embodiment, a cavity 101 is provided in the workbench 1; the rotating mechanism 2 is provided in the cavity 101, and the end of the rotating mechanism 2 extends to the outside of the workbench 1. The rotating mechanism 2 extending to the outside of the workbench 1 is suitable for placing a tire, and the fastening mechanism 3 is also provided on the rotating mechanism 2 extending to the outside of the workbench 1.

[0049] In this embodiment, the rotating mechanism 2 includes: a fixed plate 201, which is arranged in the cavity 101; a positioning hole 202, which is arranged on the side of the workbench 1 and is connected to the cavity 101; a motor 203, which is arranged on the fixed plate 201; a connecting shaft 204, one end of which is arranged in the cavity 101 and is connected to the transmission shaft of the motor 203, and the other end extends to the outer side surface of the workbench 1 through the positioning hole 202, and a nut is connected to the end of the connecting shaft 204 extending to the outer side surface of the workbench 1, and the nut is connected and fixed with a threaded rotation suitable for being connected to the tire to be tested; during testing, the motor 203 drives the connecting shaft 204 to rotate, and the connecting shaft 204 drives the tire to rotate and test, and in the process of testing.

[0050] In this embodiment, a limiting plate 205 is provided at the end of the connecting shaft 204, and four extending mechanisms are provided on the outer circumferential surface of the limiting plate 205; when the tire is fixed on the connecting shaft 204, the limiting plate 205 abuts against the inner side surface of the tire, and then the four extending mechanisms switch to an extended state and move toward the inner circumferential surface of the tire until they abut against the inner circumferential surface of the tire. When the detection is completed, the four extending mechanisms switch to a contracted state and move toward the direction of the limiting plate 205 to allow the tire to be removed.

[0051] In this embodiment, the extension mechanism includes: a gas rod 301, which is arranged on the outer circumference of the limit plate 205; a positioning ring 302, which is connected to the transmission end of the gas rod 301; a mounting groove 303, which is arranged on the positioning ring 302 and passes through the outer circumference of the positioning ring 302, and the mounting groove 303 is arranged in an arc shape; two springs 304, which are respectively arranged at two ends of the mounting groove 303; an adsorption plate 305, which is slidably arranged in the mounting groove 303, and the adsorption plate 305 is set in an arc shape; when switched to the extended state, the air rod 301 pushes the positioning ring 302 to move toward the inner circumference of the tire, so that the adsorption plate 305 is adsorbed on the inner circumference of the tire, so that the tire is fixed for a second time through the adsorption plate 305 to avoid the tire from falling or shifting during detection; when switched to the contracted state, the air rod 301 drives the positioning ring 302 to contract and reset, so that the adsorption plate 305 is away from the tire, so that the tire can be removed.

[0052] In this embodiment, the extension mechanism also includes: a plurality of adsorption holes 306, which are arranged at equal intervals in the adsorption plate 305, and the plurality of adsorption holes 306 pass through the outer peripheral surface of the adsorption plate 305; a through cavity 307, which passes through the bottom of the plurality of adsorption holes 306 and is connected to the plurality of adsorption holes 306; a connecting hole 308, which is arranged at the bottom of the adsorption plate 305, and one end of the connecting hole 308 is connected to the through cavity 307, and the other end passes through the outer peripheral surface of the adsorption plate 305; the connecting hole 308 can be connected to an air pipe, and the air pipe is connected to a vacuum pump. During detection, when the adsorption plate 305 is against the inner peripheral surface of the tire, the vacuum pump evacuates the plurality of adsorption holes 306 through the air pipe, so that the adsorption plate 305 can be adsorbed on the outer peripheral surface of the tire, so as to facilitate the fixing of the tire. After the detection is completed, the vacuum pump supplies air to the through cavity 307, so that the air rod 301 can drive the adsorption plate 305 to move.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0054] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A fastening mechanism for tire balance detection, characterized in that: include: Workbench; A rotating mechanism, one end of which is disposed inside the workbench, and the other end of which extends outside the workbench, and the rotating mechanism is suitable for hanging a tire and driving the tire to rotate; The fastening mechanism is sleeved on the rotating mechanism and driven to rotate by the rotating mechanism, and the fastening mechanism can be switched to an extended state or a contracted state on the rotating mechanism. When the fastening mechanism is switched to the extended state, the fastening mechanism extends toward the outer circumference and abuts against the inner circumference of the tire to keep the tire stable in the detection room. When the fastening mechanism is switched to the contracted state, the fastening mechanism retracts toward the rotating mechanism to allow the tire on the rotating mechanism to be removed.

2. The fastening mechanism for tire balance detection according to claim 1, characterized in that: The mechanism is composed of four extension mechanisms, and the four extension mechanisms are arranged around the outer circumference of the rotating mechanism.

3. The fastening mechanism for tire balance detection according to claim 2, characterized in that: A cavity is arranged in the workbench.

4. The fastening mechanism for tire balance detection according to claim 3, characterized in that: The rotating mechanism comprises: a fixing plate, the fixing plate being arranged in the cavity; A positioning hole, which is arranged on a side of the workbench and communicates with the cavity; A motor, wherein the motor is arranged on the fixing plate; A connecting shaft, one end of which is arranged in the cavity and is drivingly connected to the transmission shaft of the motor, and the other end of which passes through the positioning hole and extends to the outer side surface of the workbench.

5. The fastening mechanism for tire balance detection according to claim 4, characterized in that: A limiting plate is provided at the end of the connecting shaft, and the four extending mechanisms are arranged on the outer peripheral surface of the limiting plate.

6. The fastening mechanism for tire balance detection according to claim 5, characterized in that: The extension mechanism comprises: A gas rod, the gas rod being arranged on the outer peripheral surface of the limiting plate; A positioning ring connected to the transmission end of the gas rod; A mounting groove, which is arranged on the positioning ring and passes through the outer peripheral surface of the positioning ring, and the mounting groove is arranged in an arc shape; Two springs, the two springs are respectively arranged at two ends of the installation groove opposite to each other; The adsorption plate is slidably arranged in the mounting groove, and the adsorption plate is arranged in an arc shape.

7. The fastening mechanism for tire balance detection according to claim 6, characterized in that: The extension mechanism also includes: A plurality of adsorption holes, wherein the plurality of adsorption holes are arranged in the adsorption plate at equal intervals, and the plurality of adsorption holes penetrate the outer peripheral surface of the adsorption plate; A through cavity, which is disposed at the bottom of the plurality of adsorption holes and is connected with the plurality of adsorption holes; A connecting hole is provided at the bottom of the adsorption plate, one end of the connecting hole is communicated with the through cavity, and the other end of the connecting hole is connected to the outer peripheral surface of the adsorption plate.

Images