CN202267436U

CN202267436U - Hole depth testing tool for hub pilot hole

Info

Publication number: CN202267436U
Application number: CN2011204265910U
Authority: CN
Inventors: 龚大胜
Original assignee: CHONGQING JADE ALUMINIUM WHEEL Co Ltd
Current assignee: CHONGQING JADE ALUMINIUM WHEEL Co Ltd
Priority date: 2011-11-01
Filing date: 2011-11-01
Publication date: 2012-06-06
Anticipated expiration: 2021-11-01

Abstract

The utility model relates to a hole depth testing tool for a hub pilot hole, which relates to the testing tool for testing the depth of a pilot hole of a hub and is easy to operate. The hole depth testing tool for the hub pilot hole comprises a plug gauge which is in a shape of a stepped shaft, one end face of the plug gauge with a large size abuts aganist the bottom of a big hole of the pilot hole, the other end of the plug guage is connected with a handle, an end face of the plug guage with a small size is arranged to be a ladder face, the distance from a higher portion of the ladder face to the end face of the plug guage with the large size coincides to a higher limit value of the small hole depth, the distance from a lower portion of the ladder face to the end face of the plug guage with the large size portion is coincided to a lower limit value of the small hole depth. The hole depth testing tool can judge whether the small hole depth is qualified or not by inserting the handle into the plug guage and observing the positional relation between the pilot hole surface and the end face of the plug guage with the small size only, is extremely convenient to use, greatly improves detection efficiency, and also saves the cost of testing equipment.

Description

The hole depth testing tool of wheel hub pilot hole

Technical field

The utility model relates to wheel hub production, also relates to a kind of testing tool, specifically is exactly the testing tool that detects the degree of depth of the pilot hole on the wheel hub.

Background technology

As shown in Figure 1, wheel all is to connect on driving shafts all through the pilot hole that wheel hub upper edge wheel drive shaft periphery is uniformly distributed with.Therefore the pilot hole position on the wheel hub and the quality of dimensional accuracy have very big influence to the installation of wheel and the security of use, and therefore inspection control is comparatively strict.Since pilot hole by the macropore that is positioned at the wheel hub outside be positioned at inboard aperture and constitute, macropore and aperture coaxial arrangement, between the transition portion of taper is arranged, it is comparatively difficult therefore to cause this aperture depth H to be measured, and error is bigger.Yet ensure the size of pilot hole, ensure that wheel mounting stability and security again must the strict degree of depth that detects aperture.So demand urgently developing a kind of easy to use, and can accurately detect the specific purpose tool that the aperture depth dimensions of pilot hole detects.

Summary of the invention

The purpose of the utility model provides a kind of hole depth testing tool of wheel hub pilot hole of easy operating.

For realizing above-mentioned purpose; The utility model has adopted following technical scheme: a kind of hole depth testing tool of wheel hub pilot hole; It is characterized in that: comprise feeler gauge; Feeler gauge is the multidiameter shape; Large scale part one end of feeler gauge against the macropore bottom surface of pilot hole, the other end connects handle, the end face of the small size part of feeler gauge is set to cascaded surface, the higher part of cascaded surface assigns to that the distance of the end face of feeler gauge large scale part is coincide with the higher limit of little hole depth, the distance of assigning to the end face of feeler gauge large scale part than lower curtate of cascaded surface is coincide with the lower limit of little hole depth.

In technique scheme; When utilizing feeler gauge to detect the aperture degree of depth of pilot hole; As long as feeler gauge is inserted pilot hole; The end face of large scale part is resisted against the macropore bottom, and the small size part just stretches in aperture then, just can know whether little hole depth is qualified as long as observe between the high and low the two parts whether position of the hub surface of aperture side be in cascaded surface.

Concern with the position of observing surface and feeler gauge small size end face around the pilot hole and can judge whether the aperture depth dimensions is qualified as long as the utility model utilizes handle to insert feeler gauge; Also its instrument use is extremely convenient accurately and reliably for testing result; Improve detection efficiency greatly, also saved the cost of checkout equipment.

Description of drawings

Fig. 1 is the sectional structure synoptic diagram of wheel hub;

Fig. 2 is the structural representation of the utility model;

Fig. 3 is the user mode reference diagram of the utility model;

Fig. 4 is the partial enlarged drawing of A portion among Fig. 3.

Embodiment

The hole depth testing tool of a kind of wheel hub pilot hole shown in Fig. 1 to 4; Comprise feeler gauge 20; Feeler gauge 20 is the multidiameter shape; Large scale part 22 1 ends of feeler gauge 20 against macropore 12 bottom surfaces of pilot hole, the other end connects handle 30, for example shown in Figure 2 being threaded of connected mode of handle 30 and feeler gauge 20 also can be that interference is pegged graft or welded or the like mode.The end face of the small size part 21 of feeler gauge 20 is set to cascaded surface, and is as shown in Figure 4: the higher part 21` of cascaded surface to the distance of the end face of feeler gauge 20 large scale parts 22 and the higher limit of aperture 11 degree of depth coincide, cascaded surface identical with the lower limit of aperture 11 degree of depth than lower part 21`` to the distance of the end face of feeler gauge 20 large scale parts 22.Described upper limit value and lower limit value is the upper lower limit value of the design error of aperture 11 depth H just.State when such testing tool uses such as Fig. 3,4 described; So as long as the position relation of the wheel hub 10 table rice and flour of the end face of the small size part 21 of observation feeler gauge 20 and pilot hole periphery can judge whether aperture 11 degree of depth are qualified, and it is qualified that state as shown in Figure 4 is.Such testing tool structure is extremely simple, uses also very convenient.

Further; The diameter of described feeler gauge 20 small size parts 21 and the aperture of aperture 11 coincide; Transition frustum portion 23 is set between the large and small size of feeler gauge 20, and tapering transition zone 13 shapes between the shape of transition frustum portion 23 and macropore 12 and the aperture 11 are coincide; The end face of described feeler gauge 20 small size parts 21 is cut apart by the vertical plane in centre position and is constituted cascaded surface.

Small size part 21 is coincide with aperture 11 sizes can be so that feeler gauge 20 insertion back position stabilities be easy to use; Crossing that frustum portion 23 and tapering transition zone 13 shapes coincide is that to be convenient to plug-in position stable on the one hand, also is simultaneously to concentrate for the large scale part 22 that reduces feeler gauge 20 and the stress of small size part 21 junctions, improves the serviceable life of feeler gauge 20.Described vertical plane by the centre position is cut apart the higher part 21` that constitutes on the end face that cascaded surface that is to say small size part 21 and is homalographic ground symmetry division than lower part 21``; This divisional plane is through the axle core of feeler gauge 20; Like this can be so that the use of feeler gauge 20 further is convenient in observation.

Claims

1. the hole depth testing tool of a wheel hub pilot hole; It is characterized in that: comprise feeler gauge (20); Feeler gauge (20) is the multidiameter shape; Large scale part one end of feeler gauge (20) connects handle (30) against macropore (12) bottom surface, the other end of pilot hole; The end face of the small size of feeler gauge (20) part is set to cascaded surface, and the higher part of cascaded surface assigns to that the distance of the end face of feeler gauge (20) large scale part is coincide with the higher limit of aperture (11) degree of depth, the distance of assigning to the end face of feeler gauge (20) large scale part than lower curtate of cascaded surface is coincide with the lower limit of aperture (11) degree of depth.

2. the hole depth testing tool of wheel hub pilot hole according to claim 1; It is characterized in that: the diameter of described feeler gauge (20) small size part and the aperture of aperture (11) coincide; Transition frustum portion is set between the large and small size of feeler gauge (20), and the tapering transition zone shape between the shape of transition frustum portion and macropore (12) and the aperture (11) is coincide; The end face of described feeler gauge (20) small size part is cut apart by the vertical plane in centre position and is constituted cascaded surface.