Hub measuring instrument

Abstract

The utility model relates to a hub measuring instrument, and relates to the field of machining. The hub measuring instrument is used for measuring hub machining precision and comprises a depth gauge, a gap bridge ruler and a locking device. The depth gauge and the gap bridge ruler are fastened and connected through a locking device; the depth gauge comprises a main ruler and a vernier frame, and the main ruler is slidably connected with the vernier frame; the vernier frame is fastened on the gap bridge ruler through a locking device; the vernier frame comprises a sliding groove and an abutting portion which are connected with each other, the sliding groove is arranged on the main ruler in a sliding and sleeving mode, and the abutting portion is fastened on the gap bridge ruler through a locking device. The main ruler is perpendicular to the gap bridge ruler. The main ruler is perpendicular to the abutting part. The device is durable, high precision is kept, and the machining precision of hubs of different specifications is measured through the depth gauge.

Description

Technical Field

[0001] The utility model belongs to the field of machining, and particularly relates to a wheel hub measuring instrument. Background Art

[0002] A wheel hub is a cylindrical metal part that supports the tire inside the tire profile and is centered on the shaft. It is also called a rim, a steel rim, a wheel, or a tire bell. After machining the wheel hub, the size monitoring needs to be carried out by using a dedicated detection template and a cross bridge ruler to detect whether the machined inclined surface is accurately machined. With the increasing variety of wheel hub products and the continuous increase of various size specifications, in order to meet the detection requirements, various different specifications of templates need to be made. The large number of template productions makes management cumbersome, and it is time-consuming and laborious to find them during use, and the production cost is also high.

[0003] Therefore, designing a wheel hub measuring instrument that is durable, has high precision, and can well adapt to measuring the machining precision of different specifications of wheel hubs is an urgent problem to be solved at present. Summary of the Utility Model

[0004] Based on this, the utility model aims to overcome the defects of the prior art and provides a wheel hub measuring instrument. The depth gauge and the cross bridge ruler are fastened by a locking device. With the cooperation of the depth gauge and the cross bridge ruler, it can take into account the durability of the cross bridge ruler, maintain high precision, and measure the machining precision of different specifications of wheel hubs through the depth gauge.

[0005] The first technical solution provided by the utility model:

[0006] A wheel hub measuring instrument for measuring the machining precision of a wheel hub, comprising a depth gauge, a cross bridge ruler, and a locking device; the depth gauge and the cross bridge ruler are fixedly connected by the locking device;

[0007] The depth gauge includes a main scale and a vernier frame, and the main scale and the vernier frame are slidably connected; the vernier frame is fixedly fastened to the cross bridge ruler by a locking device;

[0008] The vernier frame includes a sliding groove and a holding part connected to each other. The sliding groove is slidably sleeved on the main scale, and the holding part is fixedly fastened to the cross bridge ruler by a locking device;

[0009] The main scale is perpendicular to the cross bridge ruler; the main scale is perpendicular to the holding part.

[0010] Further, the locking device includes a first pressing block and a second pressing block. The first pressing block and the second pressing block are detachably connected and can be fixedly connected to hold the part.

[0011] Further, a groove is opened at one end of the cross bridge ruler, and the second pressing block is detachably connected to the groove.

[0012] Further, the first pressing block is provided with a V-shaped groove, and one end of the holding part abuts against the V-shaped groove.

[0013] Furthermore, the holding portion is provided with a V-shaped protrusion, and the V-shaped protrusion abuts against the V-shaped groove.

[0014] Furthermore, one end of the main scale is provided with an inclined surface for contacting the machining surface of the hub.

[0015] The beneficial effects of the present utility model are as follows:

[0016] The depth gauge and the cross bridge gauge are fastened by a locking device. The V-shaped protrusion on the holding portion of the cross bridge gauge cooperates with and abuts against the V-shaped groove of the first pressing block of the locking device. The main scale of the depth gauge slides through the cursor support. The machining surface of the hub is measured by contacting the inclined surface on the main scale. With the cooperation of the depth gauge and the cross bridge gauge, it can take into account the durability of the cross bridge gauge and maintain high precision. The machining precision of different specifications of hubs is measured by the depth gauge. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of a hub measuring instrument according to an embodiment of the present utility model;

[0018] Figure 2 It is a partial schematic diagram of a hub measuring instrument according to an embodiment of the present utility model.

[0019] Description of the Reference Numerals:

[0020] 1. Depth gauge; 11. Main scale; 111. Inclined surface; 12. Cursor support; 121. Sliding groove; 122. Holding portion; 1221. V-shaped protrusion; 2. Cross bridge gauge; 21. Groove; 3. Locking device; 31. First pressing block; 311. V-shaped groove; 32. Second pressing block. Detailed Embodiments

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. The components of the embodiments of the present application described and illustrated herein can be arranged and designed in various different configurations.

[0022] Therefore, the detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application that is claimed, but is merely representative of the selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts fall within the scope of protection of the present application.

[0023] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0024] In the description of the embodiments of the present application, it should be understood that the orientation or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, or the orientation or positional relationships in which the products of this application are customarily placed during use, or the orientation or positional relationships commonly understood by those skilled in the art. These are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.

[0025] In the description of the embodiments of the present application, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", and "coupled" 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 directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0026] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0027] Next, the technical solutions in the present application will be described with reference to the drawings.

[0028] Please refer to Figures 1 to 2 , an embodiment of the present application provides a wheel hub measuring instrument for measuring the machining accuracy of a wheel hub, including a depth gauge 1, a cross bridge gauge 2, and a locking device 3. The cross bridge gauge 2 is placed on the wheel hub. The cross bridge gauge 2 has the characteristics of good straightness, high precision, and high hardness, and can be repeatedly used many times without deformation and loss of precision. The depth gauge 1 adopts national standard, which also ensures the measurement accuracy and convenient standard reading, and is adapted to the conventional wheel hub machining accuracy. The depth gauge 1 can be easily modified and profiled according to the needs of measuring special wheel hubs, and the modification and profiling are inexpensive to ensure the accuracy of the measurement contact surface.

[0029] The depth gauge 1 and the cross bridge gauge 2 are fixedly connected through the locking device 3; the depth gauge 1 includes a main scale 11 and a vernier frame 12, and the main scale 11 and the vernier frame 12 are slidably connected; the vernier frame 12 is fixedly connected to the cross bridge gauge 2 through the locking device 3; the vernier frame 12 includes a sliding groove 121 and a holding part 122 connected to each other. The sliding groove 121 is slidably sleeved on the main scale 11, and the holding part 122 is fixedly connected to the cross bridge gauge 2 through the locking device 3. The main scale 11 is perpendicular to the cross bridge gauge 2, and the main scale 11 is perpendicular to the holding part 122. The main scale 11 has precise graduations, and the main scale 11 can be conveniently read by sliding through the sliding groove 121.

[0030] The locking device 3 includes a first pressing block 31 and a second pressing block 32. The first pressing block 31 is detachably connected to the second pressing block 32 and can be tightly connected to abut against the abutting portion 122. The first pressing block 31 and the second pressing block 32 can be connected by bolts.

[0031] One end of the cross bridge ruler 2 is provided with a groove 21, and the second pressing block 32 is detachably connected to the groove 21. The depth and width of the groove 21 are not specifically limited and can be designed according to the size of the abutting portion 122. The second pressing block 32 and the groove 21 can be connected by bolts.

[0032] The first pressing block 31 is provided with a V-shaped groove 311, and one end of the abutting portion 122 abuts against the V-shaped groove 311. The abutting portion 122 is provided with a V-shaped protrusion 1221, and the V-shaped protrusion 1221 abuts against the V-shaped groove 311. It can be understood that the V-shaped groove 311 matches the V-shaped protrusion 1221, and the V-shaped groove 311 and the V-shaped protrusion 1221 can also be other shapes of matching, the purpose is to better fasten and cooperate the abutting portion 122 and the locking device 3 together.

[0033] One end of the main ruler 11 is provided with an inclined surface 111, and the inclined surface 111 is used to contact the hub machining surface. To adapt to the conventional hub machining accuracy, the inclined surface 111 is conveniently and cheaply machined according to the needs of measuring special hubs to ensure the accuracy of the measuring contact surface.

[0034] The working principle of the hub measuring instrument provided in this embodiment is introduced as follows:

[0035] Place the cross bridge ruler 2 on the hub, fasten the depth ruler 1 and the cross bridge ruler 2 through the locking device 3. The V-shaped protrusion 1221 on the abutting portion 122 of the cross bridge ruler 2 cooperates with and abuts against the V-shaped groove 311 of the first pressing block 31 of the locking device 3. The main ruler 11 of the depth ruler 1 slides through the cursor support 12, and measures by contacting the hub machining surface through the inclined surface 111 on the main ruler 11, so as to measure the machining accuracy size of the hub.

[0036] In summary, for the embodiment provided by the present utility model, its main effective effects are:

[0037] Fasten the depth ruler and the cross bridge ruler through the locking device. The V-shaped protrusion on the abutting portion of the cross bridge ruler cooperates with and abuts against the V-shaped groove of the first pressing block of the locking device. The main ruler of the depth ruler slides through the cursor support, and measures by contacting the hub machining surface through the inclined surface on the main ruler. With the cooperation of the depth ruler and the cross bridge ruler, it can take into account the durability of the cross bridge ruler, maintain a high precision, and measure the machining accuracy of different specifications of hubs through the depth ruler.

[0038] The technical features of the above embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0039] The above embodiments only express several implementation manners of the present utility model, and the description is relatively specific and detailed, but it cannot be understood as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.

Claims

1. A wheel hub measuring device for measuring wheel hub machining accuracy, characterized in that: It comprises a depth gauge, a bridge gauge and a locking device; the depth gauge and the bridge gauge are fastened and connected via the locking device; The depth gauge comprises a main scale and a vernier frame, wherein the main scale and the vernier frame are slidably connected; the vernier frame is fastened to the bridge scale by the locking device; The vernier frame comprises a slide groove and a supporting part which are connected to each other, the slide groove can be slidably sleeved on the main scale, and the supporting part is fastened to the bridge scale through the locking device; The main ruler is perpendicular to the bridge ruler; the main ruler is perpendicular to the supporting portion.

2. The wheel hub measuring device according to claim 1, characterized in that: The locking device comprises a first pressing block and a second pressing block, wherein the first pressing block and the second pressing block are detachably connected and can be fastened to the abutting portion.

3. The wheel hub measuring device according to claim 2, characterized in that: A groove is formed at one end of the bridge ruler, and the second pressing block is detachably connected to the groove.

4. The wheel hub measuring device according to claim 2, characterized in that: The first pressing block is provided with a V-shaped groove, and one end of the abutting portion abuts against the V-shaped groove.

5. The wheel hub measuring device according to claim 4, characterized in that: The supporting portion is provided with a V-shaped protrusion, and the V-shaped protrusion is supported by the V-shaped groove.

6. The wheel hub measuring device according to claim 1, characterized in that: One end of the main scale is provided with an inclined surface, and the inclined surface is used to contact the processing surface of the wheel hub.

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