Device for measuring large-diameter size of counter bore of case

Abstract

The utility model belongs to the counter bore dimension measurement technology, and discloses a case counter bore major diameter dimension measurement device, the measurement device comprises a pedestal, a connection assembly and a measurement assembly, the pedestal is arranged on a measurement platform, one end of the connection assembly is fixed on the pedestal, and the other end clamps the measurement assembly; the measuring assembly comprises a dial indicator, a telescopic rod and a taper measuring head, one end of the telescopic rod is connected with an inner gear of the dial indicator, and the other end of the telescopic rod is connected with the taper measuring head. The counter bore large diameter measuring device is simple in structure and convenient to operate, the diameter of the large end of the counter bore can be accurately measured, the misjudgment rate of the counter bore in the testing link is reduced, and the accuracy of the testing link is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to counterbore size measurement technology, concretely relates to a machine case counterbore large diameter size measuring device. BACKGROUND

[0002] There are more screw mounting counterbores on the aviation computer machine case, and the hole diameter of the counterbores needs to be measured in the production and manufacturing process. At present, the large end diameter size of the counterbores cannot be accurately measured by using ordinary measuring tools, and when the machine case circulates to the assembly link, the machine case product reliability can be affected due to the fact that the large end diameter size of the counterbores cannot be controlled in place or cannot be normally assembled. UTILITY MODEL CONTENTS

[0003] In order to accurately measure the large end diameter size of the counterbores on the machine case, and to avoid the fact that the machine case product reliability is affected due to the fact that the assembly is not in place or cannot be normally assembled in the subsequent assembly link, the utility model discloses a machine case counterbore large diameter size measuring device, the measuring device includes a base, a connecting assembly and a measuring assembly, the base is arranged on a measuring platform, one end of the connecting assembly is fixed on the base, and the other end clamps the measuring assembly; the measuring assembly includes a dial indicator, a telescopic rod and a taper probe, one end of the telescopic rod is connected with the inner gear of the dial indicator, and the other end is connected with the taper probe.

[0004] Further, the base is a magnetic base, a knob is arranged on the magnetic base, the measuring platform is a magnetic platform, and the base is fixed on the measuring platform through the knob.

[0005] Further, the connecting assembly includes a vertical sliding rod, a horizontal sliding rod and a clamping structure, the lower end of the vertical sliding rod is fixed on the base, and the two ends of the horizontal sliding rod are clamped and fixed on the vertical sliding rod and the telescopic rod through the clamping structure.

[0006] Still further, the clamping structure includes a clamping block with one end being open, screw holes for fixing the horizontal sliding rod are arranged on the side wall of the clamping block, and the open end of the clamping block is fixed on the vertical sliding rod or the telescopic rod through a screw nut assembly.

[0007] Further, the taper probe is made of GCr15 material, and the maximum diameter of the taper probe is greater than the diameter of the maximum position on the measured counterbore.

[0008] Further, the relationship between the diameter of the measured counterbore and the dial indicator reading is Wherein B is the large end diameter of the measured counterbore, R is the taper angle of the taper probe, and A is the reading of the dial indicator.

[0009] Further, a handle is arranged on the dial indicator.

[0010] Compared with the prior art, the sink hole large diameter size measuring device has the advantages that the sink hole large diameter size measuring device is simple in structure and convenient to operate, can accurately measure the diameter of the large end of the sink hole, reduces the misjudgment rate of the sink hole in the testing link, and improves the accuracy of the testing link. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0012] Figure 1 A perspective view of the sink hole large diameter size measuring device of the case is disclosed in the embodiments of the present application.

[0013] Figure 2 A front view of the sink hole large diameter size measuring device of the case is disclosed in the embodiments of the present application.

[0014] 1, base; 2, connecting assembly; 3, measuring assembly; 4, measuring platform; 5, dial indicator; 6, telescopic rod; 7, taper probe; 8, handle; 11, knob; 21, vertical sliding rod; 22, horizontal sliding rod; 23, clamping structure; 231, clamping block; 232, screw nut assembly. DETAILED DESCRIPTION

[0015] The advantages and characteristics of the present application will be more apparent with the description, and the person skilled in the art can easily understand the other advantages and effects of the present application from the content disclosed in the present specification. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. The present application can also be implemented or applied by other different specific embodiments, and each detail in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features of the embodiments can be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor are within the scope of protection of the present application.

[0016] In the description of the present embodiment, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0017] Furthermore, the terms "first", "second", "third", etc. are used herein for descriptive purposes only and should not be construed as indicating or implying relative importance or an indicated number of technical features. Thus, features defined with "first", "second" etc. can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0018] It should also be noted that the drawings provided in the following embodiments only schematically illustrate the basic concept of the present disclosure, and only show the components related to the present disclosure in the drawings, not the number, shape and size of the components when actually implemented. The actual implementation of each component can be a random change, and the component layout pattern can be more complex.

[0019] The utility model discloses a kind of machine case counterbore large diameter size measuring devices, referring to Figure 1 And Figure 2 As shown, the measuring device includes base 1, connecting assembly 2 and measuring assembly 3, the base 1 is arranged on measuring platform 4, one end of the connecting assembly 2 is fixed on the base 1, and the other end clamps the measuring assembly 3;The measuring assembly 3 includes dial gauge 5, telescopic rod 6 and taper probe 7, one end of the telescopic rod 6 is connected with the inner gear of the dial gauge 5, and the other end is connected with the taper probe 7.In specific implementation, the upper portion of taper probe 7 is provided with a threaded hole, the lower end of telescopic rod 6 is provided with external thread, and telescopic rod 6 is fixed into the threaded hole of taper probe 7 by threaded connection.

[0020] Further, referring to Figure 1 And Figure 2 As shown, the base 1 is a magnetic base, the magnetic base is provided with knob 11, the measuring platform 4 is a magnetic platform, and the base 1 is adsorbed and fixed on the measuring platform 4 through the knob 11.

[0021] Further, referring to Figure 1 And Figure 2 As shown, the connecting assembly 2 includes vertical sliding rod 21, horizontal sliding rod 22 and clamping structure 23, the lower end of the vertical sliding rod 21 is fixed on the base 1, and the two ends of the horizontal sliding rod 22 are clamped and fixed on the vertical sliding rod 21 and the telescopic rod 6 through the clamping structure 23 respectively.

[0022] In an improved embodiment, the horizontal sliding rod 22 is provided with a level.

[0023] Further, referring to Figure 1 And Figure 2As shown, the clamping structure 23 comprises an open-end clamping block 231, the sidewall of the clamping block 231 is provided with a threaded hole for fixing the transverse sliding rod 22, and the open end of the clamping block 231 is fixed on the vertical sliding rod 21 or the telescopic rod 6 through a screw nut assembly 232. In specific implementation, the clamping block 231 is provided with a hole through which the vertical sliding rod 21 or the telescopic rod 6 passes, and one side of the hole forms the open end of the clamping block 231, and the conical probe 7 can be lowered into the counterbore or separated from the conical probe 7 by changing the position of the clamping block 231 on the vertical sliding rod 21 or the telescopic rod 6.

[0024] Further, referring to Figure 1 and Figure 2 As shown, the conical probe 7 is made of GCr15 material, and the maximum diameter of the conical probe is greater than the diameter of the maximum position on the measured counterbore. In specific implementation, the conical angle of the conical probe 7 can be set to 126°52', and the hardness is HRC58-65.

[0025] Further, when measuring the large-end diameter of the measured counterbore, the tip of the conical probe 7 is in contact with the large-end diameter surface of the measured part counterbore, and then the measured part is moved to insert the conical probe 7 into the measured part counterbore, and the insertion depth value is measured by the dial gauge 5, and the four times of the insertion depth value is the large-end diameter of the measured part counterbore (that is, the relationship between the measured counterbore diameter and the dial gauge 5 reading is B = 4R + A). Wherein, B is the large-end diameter of the measured counterbore, R is the conical angle of the conical probe, and A is the reading of the dial gauge.

[0026] Further, referring to Figure 1 and Figure 2 As shown, the dial gauge 5 is provided with a handle 8.

[0027] The counterbore large-diameter size measuring device has simple structure and convenient operation, reduces the misjudgment rate of the test link counterbore, and improves the accuracy of the test link.

[0028] The above only describes the preferred embodiments of the present application, and does not limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0029] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A device for measuring the major diameter of a chassis counterbore, characterized by, The utility model provides a kind of magnetic platform taper measuring device, including base (1), connecting assembly (2) and measuring assembly (3), the base (1) is arranged on measuring platform (4), one end of the connecting assembly (2) is fixed on the base (1), and the other end clamps the measuring assembly (3);The measuring assembly (3) includes dial gauge (5), telescopic rod (6) and taper probe (7), one end of the telescopic rod (6) is connected with the internal gear of the dial gauge (5), and the other end is connected with the taper probe (7).

2. The chassis counter bore major diameter measuring device of claim 1, wherein, The base (1) is magnetic base, the magnetic base is equipped with knob (11), the measuring platform (4) is magnetic platform, the base (1) is adsorbed and fixed on the measuring platform (4) by the knob (11).

3. The chassis counter bore major diameter measuring device of claim 1, wherein, The connecting assembly (2) includes vertical sliding rod (21), horizontal sliding rod (22) and clamping structure (23), the lower end of the vertical sliding rod (21) is fixed on the base (1), and the two ends of the horizontal sliding rod (22) are clamped and fixed on the vertical sliding rod (21) and the telescopic rod (6) by the clamping structure (23) respectively.

4. The chassis counter bore major diameter measuring device of claim 3, wherein, The clamping structure (23) includes the clamping block (231) of one end opening, the clamping block (231) side wall is equipped with the threaded hole of the horizontal sliding rod (22) fixed, and the opening end of the clamping block (231) is fixed on the vertical sliding rod (21) or the telescopic rod (6) by screw nut assembly (232).

5. The chassis counter bore major diameter measuring device of claim 1 wherein, The taper probe (7) is GCr15 taper probe, and the maximum diameter of the taper probe (7) is greater than the diameter of the maximum position on the measured counterbore.

6. The chassis counter bore major diameter measuring device of claim 1, wherein, The relationship between the diameter of the measured counterbore and the reading of the dial gauge (5) is where B is the major diameter of the measured counterbore, R is the taper angle of the taper probe, and A is the reading of the dial gauge.

7. The chassis counter bore major diameter measuring device of claim 1 wherein, The dial gauge (5) is equipped with handle (8).

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