Rim width measuring instrument

Abstract

The invention discloses a rim flange width measuring instrument, which belongs to the technical field of measuring equipment, is used for measuring the width of a rim flange and comprises a substrate, a first scribing piece and a second scribing piece are respectively arranged on the substrate in a sliding manner, and one side of the first scribing piece is in contact with one side of the second scribing piece. The first scribing piece and the second scribing piece slide in the first direction and the second direction respectively, and the first direction and the second direction are perpendicular to each other; a measuring piece is further arranged on the substrate, and one side, far away from the first scribing piece, of the second scribing piece abuts against the measuring end of the measuring piece; the substrate is provided with a first positioning point used for abutting against one end of the rim, one side, far away from the second scribing piece, of the first scribing piece is provided with a second positioning point used for abutting against the other end of the rim, and the rim is attached between the first positioning point and the second positioning point during measurement. The rim width is converted into the moving distance of attachment between the first scribing piece and the second scribing piece, and the result of the rim width is measured through the measuring piece.

Description

Technical Field

[0001] The invention relates to the technical field of measuring equipment, and in particular to a wheel rim width measuring instrument. Background Art

[0002] Measuring rim width plays a key role in vehicle maintenance, performance optimization and safety assessment. First, it ensures the compatibility of the tire and wheel, avoiding installation difficulties and driving instability caused by tires that are too wide or too narrow, which is the basis for ensuring driving safety. Through accurate measurement, technicians can ensure that the selected tire matches the rim width, thereby improving the vehicle's handling and stability.

[0003] Prior art, such as Chinese patent publication number CN113776406A, discloses a numerical wheel rim width and wheel flange height combined gauge, comprising a cross bar, two height measuring rods, a fixed block, a guide rail and a measuring slider, wherein the cross bar is arranged transversely, the two height measuring rods are arranged vertically symmetrically at both ends of the cross bar, and the height measuring rods can slide vertically along the cross bar; the fixed block and the measuring slider are symmetrically arranged at both ends of the cross bar, the guide rail is arranged parallel to the cross bar, the fixed block is fixedly connected to the bottom surface of the cross bar and one end of the guide rail respectively, and the measuring slider is slidably matched with the other end of the guide rail; the height measuring rod and the guide rail are respectively provided with scales.

[0004] The above-mentioned measurement of the wheel rim requires manual fixing of both ends of the wheel rim on a gauge from both ends, which has low accuracy and efficiency. Summary of the invention

[0005] The invention provides a wheel rim width measuring instrument, which can accurately and quickly measure the wheel rim width and is easy to operate.

[0006] To achieve this object, the present invention adopts the following technical solutions:

[0007] A wheel rim width measuring instrument is used to measure the wheel rim width of a wheel rim, comprising a substrate, on which a first scribing piece and a second scribing piece are respectively slidably arranged, one side of the first scribing piece is in contact with one side of the second scribing piece, the first scribing piece and the second scribing piece slide in a first direction and a second direction respectively, and the first direction and the second direction are perpendicular to each other; a measuring piece is also arranged on the substrate, and a side of the second scribing piece away from the first scribing piece abuts against a measuring end of the measuring piece; a first positioning point for abutting against one end of the wheel rim is arranged on the substrate, and a second positioning point for abutting against the other end of the wheel rim is arranged on the side of the first scribing piece away from the second scribing piece, and the wheel rim is fitted between the first positioning point and the second positioning point when being measured.

[0008] A preferred technical solution of the present invention is that an elastic abutment is also provided on the substrate, and the elastic abutment includes an elastic member and a fixed block, the fixed block is fixed on the substrate, one end of the elastic member is fixed on the fixed block, and the other end of the elastic member abuts against a side of the first scribe away from the second positioning point.

[0009] The preferred technical solution of the present invention is that a first sliding part for sliding of the first scriber and a second sliding part for sliding of the second scriber are provided on the substrate, the first sliding part and the second sliding part are perpendicular to each other, a measuring groove is also provided on the top of the second sliding part, and the measuring end extends into the measuring groove and abuts against one side of the second scriber.

[0010] A preferred technical solution of the present invention is that a mounting groove is provided on the top of the first scriber, the first sliding portion is located in the mounting groove, and the first scriber slides on the first sliding portion through the mounting groove.

[0011] A preferred technical solution of the present invention is that corresponding clamping plates are respectively arranged on the outer side of the second scriber, and the clamping plates are rotatably arranged on the outer side of the second scriber through a rotating shaft, and the width of the second scriber is the same as the width of the second sliding portion.

[0012] The preferred technical solution of the present invention is that a sliding bevel is fixed on the top of the first cutting piece, and the sliding bevel is installed on the top of the mounting groove. One side of the sliding bevel is in contact with the second cutting piece, and the other side of the sliding bevel is in contact with the first sliding part; the side of the second cutting piece that is in contact with the sliding bevel is set as an inclined surface.

[0013] The preferred technical solution of the present invention is that the sliding bevel is arranged as a right-angled trapezoid, the second scribing piece includes a connecting portion and a butting portion, the connecting portion is arranged as a rectangle, the two ends of the connecting portion are respectively connected to the second sliding portion, the butting portion is located on one side of the connecting portion and is arranged as a right-angled trapezoid, the inclined surface of the second scribing piece is in contact with the inclined surface of the sliding bevel, and the width of the sliding bevel is the same as the width of the second scribing piece.

[0014] A preferred technical solution of the present invention is that a bevel portion is provided on one side of the first sliding portion, and the bevel portion is matched with the right-angled side of the sliding bevel.

[0015] The preferred technical solution of the present invention is that the measuring piece also includes a fixing sleeve, which is installed on the measuring slot; fixing holes are provided on both sides of the fixing sleeve, and a measuring hole for the measuring end to pass through is provided in the middle of the fixing sleeve, and the two fixing holes are respectively installed on both sides of the notch of the measuring slot.

[0016] A preferred technical solution of the present invention is that a slope for fitting with the rim is provided on the base plate, and is located on a side of the first positioning point away from the second positioning point.

[0017] A preferred technical solution of the present invention is that the angle between the abutment portion and the inclined surface of the sliding inclined sheet is set to 45°.

[0018] A preferred technical solution of the present invention is that the position of the first positioning point of the substrate is set to be an arc, and the radius of the arc is between 5-8 cm.

[0019] A preferred technical solution of the present invention is that a sealing ring for sealing is also provided on the top of the fixing sleeve.

[0020] A preferred technical solution of the present invention is that a positioning hole is further provided on the fixing sleeve, the positioning hole is provided with a screw, and the positioning hole is located on the outer side between the two fixing holes for locating the position of the measuring end.

[0021] The beneficial effects of the present invention are:

[0022] The present invention proposes a wheel rim width measuring instrument, which converts the wheel rim width into the moving distance between the first scribe and the second scribe, and measures the wheel rim width using a measuring piece. By adopting a simple structural combination, the wheel rim width can be accurately measured, which not only improves the measurement efficiency and accuracy, but also greatly reduces costs and safety risks. It avoids errors caused by improper manual operation or insufficient tool accuracy in traditional methods. This direct and accurate measurement method ensures the reliability of wheel rim size data, which is crucial for application scenarios such as vehicle maintenance, track safety assessment, and wheel rim wear monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings, which are incorporated into the specification and constitute a part of the specification, illustrate embodiments of the present invention and are used together with the description to explain the principles of the present invention. In these drawings, similar reference numerals are used to represent similar elements. The drawings described below are some embodiments of the present invention, but not all embodiments. For those of ordinary skill in the art, other drawings can be obtained from these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the overall structure of a wheel rim width measuring instrument provided in a specific embodiment of the present invention;

[0025] Figure 2 It is a side view of the overall structure of the wheel rim width measuring instrument provided in a specific embodiment of the present invention;

[0026] Figure 3 yes Figure 2 Schematic diagram of the use of the cross section of AA;

[0027] Figure 4 It is a schematic diagram of the overall structure of a substrate of a wheel rim flange width measuring instrument provided in a specific embodiment of the present invention;

[0028] Figure 5 It is a schematic diagram of the overall structure of a first scribing blade and a sliding bevel blade of a wheel rim flange width measuring instrument provided in a specific embodiment of the present invention;

[0029] Figure 6 It is a schematic diagram of the overall structure of the second scribing sheet and the clamping sheet of the wheel rim width measuring instrument provided in a specific embodiment of the present invention;

[0030] Figure 7 It is a schematic diagram of the overall structure of a fixing sleeve and a sealing ring of a wheel rim width measuring instrument provided in a specific embodiment of the present invention;

[0031] In the figure:

[0032] 1. Rim; 2. Flange; 3. Base plate; 4. First scribe; 401. Mounting groove; 5. Second scribe; 501. Connecting part; 502. Abutting part; 6. Measuring piece; 601. Measuring end; 7. First positioning point; 8. Second positioning point; 9. Elastic piece; 10. Fixed block; 11. First sliding part; 12. Second sliding part; 1201. Measuring groove; 13. Clamping piece; 14. Rotating shaft; 15. Sliding inclined piece; 16. Inclined piece part; 17. Fixed sleeve; 1701. Fixed hole; 1702. Measuring hole; 1703. Positioning hole; 1704. Screw; 18. Slope; 19. Sealing ring. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. It should be noted that the embodiments in this application and the features in the embodiments can be combined with each other arbitrarily without conflict.

[0034] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0035] like Figure 1-7As shown, a rim 1 and flange 2 width measuring instrument provided by the present invention includes a substrate 3, on which a slidable first scribing piece 4 and a second scribing piece 5 are provided, the first scribing piece 4 is in contact with one side of the second scribing piece 5, and the first scribing piece 4 and the second scribing piece 5 slide in a first direction and a second direction of the substrate 3 respectively, and the first direction is perpendicular to the second direction, so that when the first scribing piece 4 slides, it can drive the second scribing piece 5 to slide in the second direction perpendicular to the first direction.

[0036] A measuring piece 6 is also provided on the substrate 3. The measuring piece 6 can be set as a digital dial indicator. The measuring end 601 of the measuring piece 6 is against the second scriber 5. When the first scriber 4 pushes the second scriber 5 to move, the value on the measuring piece 6 will also change, and measurement can be performed at this time.

[0037] In order to better place the rim 1 and the flange 2 for measurement, a first positioning point 7 is provided on the substrate 3, which is used to abut against the outer side of the end of the rim 2 close to the rim 1, and a second positioning point 8 is provided on the side of the first scriber 4 close to the first positioning point 7, which is used to abut against the other end of the rim 2. During measurement, the rim 2 is located between the first positioning point 7 and the second positioning point 8. When the rim 2 is placed and positioned, the width of the rim 2 is read out by the measuring piece 6.

[0038] In order to make the measurement result more accurate, an elastic abutment is also provided on the substrate 3, and the elastic abutment includes an elastic member 9 and a fixed block 10. The fixed block 10 is fixed on the substrate 3. The elastic member 9 can be set as a spring, one end of the spring is fixed in the fixed block 10, and the other end abuts against the side of the first scriber 4 away from the second positioning point 8. When the first scriber 4 slides, the elastic member 9 will give the first scriber 4 a force in the opposite direction, so as to clamp the rim 2 tighter, so that the measured data is more accurate.

[0039] A first sliding portion 11 and a second sliding portion 12 are provided on the substrate 3, which are used for the sliding of the first scriber 4 and the second scriber 5 respectively. The first scriber 4 is clamped on the first sliding portion 11, and the top of the first scriber 4 fits with the bottom of the second scriber 5. The two sides of the second scriber 5 slide on the second sliding portion 12. The top of the second scriber 5 abuts against the measuring piece 6, and the position abutting against the measuring piece 6 is set to be a plane, so that the measurement result is more accurate.

[0040] Clamping pieces 13 are respectively arranged on the two outer sides of the second scriber 5 . The clamping pieces 13 are connected by a rotating shaft 14 . The clamping pieces 13 are in contact with the second sliding portion 12 , so that the sliding of the second scriber 5 is more stable.

[0041] In order for the measuring end 601 of the measuring piece 6 to contact the second scriber 5 , a measuring groove 1201 is provided at the top of the second sliding portion 12 . The measuring end 601 extends into the measuring groove 1201 and abuts against the second scriber 5 . The measuring piece 6 is fixed on the top of the second sliding portion 12 .

[0042] The measuring piece 6 includes a fixing sleeve 17, and fixing holes 1701 are provided on both sides of the fixing sleeve 17 for installation on the notch of the measuring slot 1201. A positioning hole 1703 is also provided between the two fixing holes 1701. The positioning hole 1703 is opened at the middle position of the outer side of the fixing sleeve 17. The positioning hole 1703 is provided with a screw 1704. The screw 1704 is locked in the positioning hole 1703 to press against the measuring end 601 of the measuring piece 6, so that the measuring piece 6 is more stable and the measurement result is more accurate. A measuring hole 1702 is provided in the middle of the fixing sleeve 17 for the measuring end 601 to pass through. The measuring piece 6 is better fixed on the substrate 3, so that the measuring piece 6 remains stable during measurement and the result is accurate.

[0043] A sealing ring 19 is also provided on the top of the fixing sleeve 17 to prevent dust from entering the fixing hole 1701 or the measuring hole 1702 and affecting the accuracy of the measuring member 6 .

[0044] A mounting groove 401 is provided on the top of the first scriber 4, and the first sliding portion 11 is located in the mounting groove 401. The first scriber 4 slides on the first sliding portion 11 through the mounting groove 401. A sliding bevel 15 is fixed in the mounting groove 401, and the sliding bevel 15 is attached to the second scriber 5. When the first scriber 4 slides on the first sliding portion 11, the sliding bevel 15 pushes the second scriber 5 to slide on the second sliding portion 12.

[0045] The sliding bevel 15 is set to a right-angled trapezoid, and the side of the second scribing blade 5 that contacts the sliding bevel 15 is set to an inclined surface, and the angle between the inclined surface of the sliding bevel 15 and the inclined surface of the second scribing blade 5 is 45°, so that the fit is tighter. A bevel portion 16 is set on one side of the first sliding portion 11, and the bevel portion 16 is adapted to the right-angle side of the sliding bevel 15 to increase the range of motion of the first scribing blade 4.

[0046] In order to prevent sliding deviation, the width of the second scriber 5 is the same as that of the second sliding portion 12, and the width of the sliding bevel 15 is the same as that of the second scriber 5, so that they fit more closely and can slide together better for measurement.

[0047] To prevent the rim 1 from mismatching during measurement, the bottom of the base plate 3 is also provided with a slope 18 for fitting with the rim 1, so that during measurement, the two ends of the rim 2 are respectively stuck between the first positioning point 7 and the second positioning point 8, and the rim 1 fits on the slope 18. The base plate 3 located at the first positioning point 7 is set to an arc shape, which can better fit with the rim 2, and the radius of the arc is between 5-8 cm, preferably 7 cm.

[0048] like Figure 1As shown, the substrate 3 is provided with a first sliding part 11, which is a horizontal plate, and a slope 18 and a first positioning point 7 are provided on one side of the first sliding part 11. The first scriber 4 is slidably connected to the first sliding part 11, and there is a certain distance between the first scriber 4 and the first positioning point 7. The second positioning point 8 is provided on the side of the first scriber 4 close to the first positioning point 7, so that the two ends of the rim 2 can respectively abut against the first positioning point 7 and the second positioning point 8. The elastic member 9 abuts against the side of the first scriber 4 away from the second positioning point 8, providing a force to squeeze the rim 2, so that the rim 2 can be tightly fixed between the first positioning point 7 and the second positioning point 8. The first scribing piece 4 is provided with a mounting groove 401, through which the first sliding part 11 slides, and a sliding bevel 15 is fixed on the top of the mounting groove 401. The sliding bevel 15 is set to a right-angled trapezoid, and the inclined surface of the sliding bevel 15 fits the second scribing piece 5, and the width of the sliding bevel 15 is adapted to the second scribing piece 5 to prevent separation when sliding against each other. Since the width of the first scribing piece 4 is greater than the width of the sliding bevel 15, the sliding bevel 15 can move more stably and push the second scribing piece 5 to slide more accurately, so that it is convenient for the measuring end 601 to sense the distance moved by the second scribing piece 5 for measurement. The second sliding part 12 is located at both ends of the first sliding part 11 and is perpendicular to the first sliding part 11. Both ends of the second scriber 5 slide on the second sliding part 12, and the second scriber 5 includes a connecting part 501 and an abutting part 502. The connecting part 501 is set as a rectangle for better sliding on the second sliding part 12, and the abutting part 502 is set as a right-angled trapezoid. The inclined surface fits the inclined surface of the sliding inclined plate 15 on the first scriber 4. The inclined surface angle is preferably 45°, and the fit is tighter. In order to make the second scriber 5 slide more stably and thus measure the value more accurately, the two outer sides of the second scriber 5 are also provided with clamping pieces 13. The clamping pieces 13 are connected by a rotating shaft 14, and the clamping pieces 13 are in contact with the second sliding part 12. When the second scriber 5 moves, the clamping piece 13 provides a certain resistance, so that the second scriber 5 moves more stably. A measuring groove 1201 is provided on the top of the second sliding part 12, and the measuring end 601 passes through the measuring groove 1201 to abut against the second scriber 5 sliding on the second sliding part 12. The measuring member 6 can be better fixed on the measuring groove 1201. The measuring member 6 also includes a fixing sleeve 17. The fixing holes 1701 for fixing are respectively provided on both sides of the fixing sleeve 17. The fixing holes 1701 are respectively located on the notches on both sides of the measuring groove 1201. A measuring hole 1702 is provided in the middle of the fixing sleeve 17, so that the measuring end 601 passes through the measuring hole 1702 and abuts against the second scriber 5. A sealing ring 19 is also provided on the top of the fixing sleeve 17 to prevent dust and other debris from entering the interior through the fixing hole 1701 or the measuring hole 1702 to affect the reading. A slope 18 is also provided on the substrate 3, which is located on the other side of the first positioning point 7 and is used to fit the conical surface of the bead seat of the rim 1, so that the width of the rim 2 can be measured more accurately.

[0049] During measurement, first move the first scriber 4 away from the first positioning point 7, then clamp the wheel rim 2 between the first positioning point 7 and the second positioning point 8. At this time, the conical surface of the bead seat of the rim 1 fits with the slope 18, and then the first scriber 4 is pushed in the opposite direction by the elastic member 9. At this time, the wheel rim 2 is completely fixed between the first positioning point 7 and the second positioning point 8. The measuring end 601 is pushed to move by the second scriber 5. At this time, the value displayed on the measuring member 6 plus 20 is the width of the wheel rim 2.

[0050] The above embodiments are only used to illustrate the technical solution of the present invention and are not intended to limit the present invention. The present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention, and should be included in the scope of the claims of the present invention.

Claims

1. A wheel rim width measuring instrument for measuring the width of a wheel rim (2) of a wheel rim (1), characterized in that: The invention comprises a substrate (3), on which a first scribing blade (4) and a second scribing blade (5) are respectively slidably arranged, one side of the first scribing blade (4) is in contact with one side of the second scribing blade (5), the first scribing blade (4) and the second scribing blade (5) respectively slide in a first direction and a second direction, and the first direction and the second direction are perpendicular to each other; A measuring piece (6) is also provided on the substrate (3), and a side of the second scribing piece (5) away from the first scribing piece (4) abuts against a measuring end (601) of the measuring piece (6); The substrate (3) is provided with a first positioning point (7) for abutting against one end of the wheel rim (2); a second positioning point (8) for abutting against the other end of the wheel rim (2) is provided on a side of the first scriber (4) away from the second scriber (5); and the wheel rim (2) is fitted between the first positioning point (7) and the second positioning point (8) during measurement.

2. The wheel rim width measuring instrument according to claim 1, characterized in that: The substrate (3) is also provided with an elastic abutment, the elastic abutment comprising an elastic member (9) and a fixed block (10), the fixed block (10) being fixed on the substrate (3), one end of the elastic member (9) being fixed on the fixed block (10), and the other end of the elastic member (9) being abutted against a side of the first scriber (4) away from the second positioning point (8).

3. The wheel rim width measuring instrument according to claim 1, characterized in that: The substrate (3) is provided with a first sliding portion (11) for sliding the first scriber (4) and a second sliding portion (12) for sliding the second scriber (5); the first sliding portion (11) and the second sliding portion (12) are perpendicular to each other; a measuring groove (1201) is also provided on the top of the second sliding portion (12); the measuring end (601) extends into the measuring groove (1201) and abuts against one side of the second scriber (5).

4. The wheel rim width measuring instrument according to claim 3, characterized in that: A mounting groove (401) is provided on the top of the first scriber (4), the first sliding portion (11) is located in the mounting groove (401), and the first scriber (4) slides on the first sliding portion (11) through the mounting groove (401).

5. The wheel rim width measuring instrument according to claim 3, characterized in that: The outer sides of the second scriber (5) are respectively provided with clamping sheets (13) at corresponding positions. The clamping sheets (13) are rotatably arranged on the outer sides of the second scriber (5) via a rotating shaft (14). The width of the second scriber (5) is the same as the width of the second sliding portion (12).

6. The wheel rim width measuring instrument according to claim 4, characterized in that: A sliding bevel (15) is fixed on the top of the first scribing sheet (4), and the sliding bevel (15) is installed on the top of the mounting groove (401), one side of the sliding bevel (15) is in contact with the second scribing sheet (5), and the other side of the sliding bevel (15) is in contact with the first sliding portion (11); The side of the second scriber (5) that is in contact with the oblique sliding sheet (15) is arranged as an inclined surface, and the width of the oblique sliding sheet (15) is the same as the width of the second scriber (5).

7. The wheel rim width measuring instrument according to claim 6, characterized in that: The sliding bevel (15) is configured as a right-angled trapezoid; the second scribing piece (5) comprises a connecting portion (501) and an abutting portion (502); the connecting portion (501) is configured as a rectangle; two ends of the connecting portion (501) are respectively connected to the second sliding portion (12); the abutting portion (502) is located on one side of the connecting portion (501) and is configured as a right-angled trapezoid; the inclined surface of the second scribing piece (5) is in contact with the inclined surface of the sliding bevel (15).

8. The wheel rim width measuring instrument according to claim 7, characterized in that: A bevel portion (16) is provided on one side of the first sliding portion (11), and the bevel portion (16) is adapted to the right-angled side of the sliding bevel (15).

9. The wheel rim width measuring instrument according to claim 3, characterized in that: The measuring member (6) further comprises a fixing sleeve (17), wherein the fixing sleeve (17) is mounted on the measuring groove (1201); The fixing sleeve (17) is provided with fixing holes (1701) on both sides, and the middle of the fixing sleeve (17) is provided with a measuring hole (1702) for the measuring end (601) to pass through, and the two fixing holes (1701) are respectively installed on both sides of the notch of the measuring slot (1201).

10. The wheel rim width measuring instrument according to claim 3, characterized in that: The base plate (3) is provided with a slope (18) for fitting with the rim (1), and is located on a side of the first positioning point (7) away from the second positioning point (8).

11. The wheel rim width measuring instrument according to claim 7, characterized in that: The included angle between the abutment portion (502) and the inclined surface of the sliding inclined sheet (15) is set to 45°.

12. The wheel rim width measuring instrument according to claim 1, characterized in that: The position of the first positioning point (7) of the substrate (3) is set to be an arc, and the radius of the arc is between 5-8 cm.

13. The wheel rim width measuring instrument according to claim 9, characterized in that: A sealing ring (19) for sealing is also provided on the top of the fixing sleeve (17).

14. The wheel rim width measuring instrument according to claim 9, characterized in that: The fixing sleeve (17) is also provided with a positioning hole, the positioning hole is provided with a screw, and the positioning hole is located on the outer side between the two fixing holes and is used to locate the position of the measuring end.

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