Hub center hole detection plug gauge

Abstract

The utility model relates to the technical field of aluminum alloy hub manufacturing, and discloses a hub center hole detection plug gauge which comprises a gauge seat, a telescopic gauge block is slidably connected to the gauge seat, the telescopic gauge block is arranged corresponding to a hub center hole and is used for measuring the aperture of the hub center hole, the gauge seat is provided with a sliding hole along the radial direction, and the sliding hole is provided with a through hole. The telescopic gauge block is connected in the sliding hole in a sliding mode through a connecting rod, the gauge seat is provided with a gauge head used for indicating measurement readings, and the gauge head is in transmission connection with the telescopic gauge block. The hub center hole measuring device overcomes the problems that in a traditional hub center hole measuring mode, an inner diameter dial indicator depends on the measuring technique of an operator, specific reading cannot be obtained when a go-no go gauge is used for measuring, and the efficiency is low when a three-coordinate measuring machine is used, the measuring precision is guaranteed, and the measuring efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum alloy wheel hub manufacturing technical field especially relates to a wheel hub center hole detection plug gauge. BACKGROUND

[0002] The manufacturing quality of aluminum alloy wheel hub is directly related to driving safety, thus, the control of each processing size of the wheel hub is extremely strict during the production process. At present, for the measurement of the diameter tolerance precision of the wheel hub center hole, manual detection or three-coordinate detection center is usually used in the field. Among them, the manual detection mode needs the operating personnel to hold the inside diameter dial gauge to measure the wheel hub center hole, the measurement mode is limited by the operation method and work experience of the operator, and it is often difficult to guarantee the measurement accuracy; the detection through the go-no-go gauge cannot obtain the specific value of the diameter deviation of the wheel hub center hole, and thus cannot accurately guide the compensation adjustment of the processing machine tool; and although the detection through the three-coordinate measurement center guarantees the detection precision, the three-coordinate detection operation is tedious and low in efficiency, and the machine tool can only be stopped and waited during the three-coordinate measurement, which restricts the production progress.

[0003] Therefore, developing a wheel hub center hole detection plug gauge applied to the production practice is a current problem to be solved. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at the above problems, and provides a wheel hub center hole detection plug gauge to solve the problems of poor accuracy and low efficiency of the existing wheel hub center hole detection mode.

[0005] To solve the above technical problems, the utility model adopts the technical scheme that:

[0006] A wheel hub center hole detection plug gauge, including the rule seat, the telescopic amount block is slidably connected on the rule seat, the telescopic amount block is provided with the wheel hub center hole, and is used for measuring the aperture of the wheel hub center hole, the rule seat is provided with a sliding hole in the radial direction, the telescopic amount block is slidably connected in the sliding hole through the connecting rod, the rule seat is provided with a table head for indicating the measurement reading, and the table head is in transmission connection with the telescopic amount block.

[0007] Preferably, the table head selects the dial gauge, and the measuring head of the dial gauge is in transmission connection with the connecting rod of the telescopic amount block.

[0008] Preferably, the table head includes a reading pointer, the reading pointer is fixedly connected with a transmission rod, a gear is fixedly arranged on the transmission rod, a transmission rack is arranged on the connecting rod and corresponds to the gear, and the transmission rack is in meshing transmission with the gear.

[0009] Preferably, a spring is arranged in the sliding hole and corresponds to the connecting rod, so as to provide the elastic force for keeping the telescopic amount block to stretch out.

[0010] Preferably, the gauge seat is provided with a positioning seat corresponding to the upper end face of the hub center hole, for fixing the vertical placement angle of the seat.

[0011] Preferably, the telescopic gauge block is provided with a guide structure corresponding to the hub center hole, to facilitate the telescopic gauge block to smoothly extend into the hub center hole, and the guide structure is a wedge-shaped structure opened along the lower edge of the telescopic gauge block.

[0012] Preferably, the gauge seat is connected with a handle, to facilitate the operator to hold the detection.

[0013] The beneficial effect of the utility model lies in: when the utility model is used, the operator can hand the gauge seat to insert the measuring plug gauge into the center hole of the hub to be detected, the telescopic gauge block on the gauge seat is pressed in the hub center hole to make the connecting rod of the telescopic gauge block produce displacement in the sliding hole, thereby driving the dial head to change the reading, and the hole diameter value of the hub center hole is measured. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further described in detail in combination with the drawings and specific embodiments.

[0015] Figure 1 It is the structural schematic diagram of the utility model.

[0016] Figure 2 It is the structural schematic diagram of the utility model Figure 1 in use state.

[0017] Figure 3 It is the structural schematic diagram of the utility model in use state.

[0018] In the drawing: 10 is the gauge seat;11 is the sliding hole;12 is the positioning seat;20 is the telescopic gauge block;21 is the connecting rod;22 is the wedge-shaped structure;30 is the dial head;31 is the reading pointer;32 is the transmission rod;33 is the gear;34 is the rack;35 is the spring;40 is the handle. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination 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.

[0020] As Figures 1-3As shown, a hub center hole detection plug gauge comprises a gauge seat 10, a telescopic gauge block 20 is slidingly connected to the gauge seat 10, the telescopic gauge block 20 is arranged corresponding to the hub center hole and is used for measuring the diameter of the hub center hole. Specifically, the gauge seat 10 is provided with a sliding hole 11 in the radial direction, and the telescopic gauge block 20 is slidingly connected in the sliding hole 11 through a connecting rod 21. The gauge seat 10 is provided with a table head 30 for indicating the measurement reading, and the table head 30 is drivingly connected with the telescopic gauge block 20.

[0021] In use, the gauge seat 10 is held by hand and the plug gauge is inserted into the center hole of the hub to be detected, the telescopic gauge block 20 on the gauge seat 10 is pressed in the inner diameter of the hub center hole to make the connecting rod 21 of the telescopic gauge block 20 displace in the sliding hole 11, thereby driving the table head 30 to change the reading, and the diameter value of the hub center hole is measured. The embodiment overcomes the problems in the conventional hub center hole measurement mode, such as the dependence on the measurement method of the operator using the inside diameter dial gauge, the inability to obtain specific readings using the go-no-go gauge, and the low efficiency of using the three-coordinate measuring machine, thereby ensuring the measurement accuracy and improving the measurement efficiency.

[0022] Preferably, the table head 30 can be a conventional dial gauge, and the measuring head of the dial gauge is drivingly connected with the connecting rod 21 of the telescopic gauge block 20.

[0023] As another embodiment, the table head 30 comprises a reading pointer 31, the reading pointer 31 is fixedly connected with a transmission rod 32, the transmission rod 32 is fixedly provided with a gear 33, the connecting rod 21 is provided with a transmission rack 34 corresponding to the gear 33, and the transmission rack 34 is in meshing transmission with the gear 33. In detection, the telescopic gauge block 20 and the connecting rod 21 are synchronously retracted, the rack 34 provided on the transmission rod 32 drives the gear 33 to rotate, thereby making the reading pointer 31 produce angular deviation, and the measurement of the diameter of the hub center hole is realized.

[0024] Preferably, a spring 35 is arranged in the sliding hole 11 corresponding to the connecting rod 21 to provide the elastic force for keeping the telescopic gauge block 20 to extend outward. In detection, the telescopic gauge block 20 is retracted and the spring 35 is compressed through the connecting rod 21; after the detection is completed, the spring 35 drives the connecting rod 21 to pop out and drives the telescopic gauge block to reset.

[0025] Preferably, the gauge seat 10 is provided with a positioning seat 12 corresponding to the upper end surface of the hub center hole, which is used for positioning the vertical placement angle of the fixed seat. In use, the lower end surface of the positioning seat 12 is closely attached to the upper end surface of the hub center hole to ensure the vertical state of the gauge seat 10 relative to the hub center hole, thereby ensuring the measurement accuracy.

[0026] Preferably, the telescopic gauge block 20 is provided with a guide structure corresponding to the hub center hole, so as to facilitate the telescopic gauge block 20 to smoothly extend into the hub center hole. The guide structure is a wedge-shaped structure 22 opened on the lower edge of the telescopic gauge block 20. In use, the wedge-shaped structure 22 is slidably connected to the upper edge of the hub center hole, so as to facilitate the telescopic gauge block 20 to smoothly extend into the hub center hole.

[0027] Preferably, the gauge seat 10 is connected with a handle 40, so as to facilitate the operator to hold and detect.

[0028] The above disclosure is only a specific embodiment of the present application, but the present application is not limited to this. For those skilled in the art, any modification made without departing from the principle of the present application shall be deemed to belong to the protection of the present application.

Claims

1. A plug gauge for inspecting the center hole of a wheel hub, characterized in that: The application relates to a gauge seat (10) which is slidably connected with a telescopic gauge block (20), the telescopic gauge block (20) is arranged corresponding to a wheel hub center hole and is used for measuring the aperture of the wheel hub center hole, the gauge seat (10) is provided with a sliding hole (11) along the radial direction, the telescopic gauge block (20) is slidably connected in the sliding hole (11) through a connecting rod (21), the gauge seat (10) is provided with a table head (30) for indicating the measurement reading, and the table head (30) is drivingly connected with the telescopic gauge block (20).

2. A wheel hub bore gage according to claim 1, wherein: The table head (30) is a dial indicator, and the measuring head of the dial indicator is drivingly connected with the connecting rod (21) of the telescopic gauge block (20).

3. A wheel hub bore gage according to claim 1, wherein: The table head (30) comprises a reading pointer (31), the reading pointer (31) is fixedly connected with a transmission rod (32), the transmission rod (32) is fixedly provided with a gear (33), the connecting rod (21) is provided with a transmission rack (34) corresponding to the gear (33), and the transmission rack (34) is in meshing transmission with the gear (33).

4. A wheel hub bore gage according to claim 3, wherein: The sliding hole (11) is provided with a spring (35) corresponding to the connecting rod (21) so as to provide the telescopic gauge block (20) with elastic force for keeping outward extension.

5. A wheel hub bore gage as defined in claim 1 wherein: The gauge seat (10) is provided with a positioning seat (12) corresponding to the upper end surface of the wheel hub center hole, so as to fix the vertical placement angle of the gauge seat.

6. A wheel hub bore gage according to claim 1 wherein: The telescopic gauge block (20) is provided with a guide structure corresponding to the wheel hub center hole, so as to smoothly extend the telescopic gauge block (20) into the wheel hub center hole, and the guide structure is a wedge-shaped structure (22) arranged on the lower side of the telescopic gauge block (20).

7. A wheel hub bore gage according to claim 1 wherein: The gauge seat (10) is connected with a handle (40), so as to facilitate the operator to hold and detect.

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