Air flow channel concentricity inspection tool

Abstract

The utility model belongs to the technical field of motor production, and discloses an air flow channel concentricity inspection tool, which comprises a fixing assembly installed in an air flow channel, a protection assembly installed on the fixing assembly, an inspection assembly detachably installed on the fixing assembly, and the inspection assembly and the fixing assembly are coaxially arranged. A shaft rod used for being connected with a motor shell is installed at the axis of the inspection assembly. According to the utility model, the concentricity of the matching surface of the air flow channel and the motor housing is detected, the air flow channel detection speed is accelerated, and the efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor production technical field especially is related to a air flow channel concentricity inspection frock. BACKGROUND

[0002] Air flow channel is a kind of channel suitable for the motor shell for guiding and controlling air flow channel, the setting of air flow channel enables motor to discharge the heat generated during operation in time, to protect motor parts from the harm of overheating, avoid the case of overheating damage caused by long-time operation of motor.

[0003] In the process of assembling air flow channel to motor shell, air flow channel and motor shell often exist deviation in concentricity, and need to add adjusting pad, resulting in the condition of difficult installation of motor shell and air flow channel. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of air flow channel concentricity inspection frock, realize the inspection of the concentricity of air flow channel and motor shell mating surface, air flow channel inspection speed is accelerated, efficiency is improved.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a kind of air flow channel concentricity inspection frock, including the fixed component installed in air flow channel, the fixed component is installed with protection component, and the fixed component is detachably installed with inspection component, and the inspection component and the fixed component are coaxially arranged, and the shaft of the inspection component is installed with the shaft for connecting motor shell.

[0006] The following is further optimization of the utility model to the above technical scheme: the fixed component includes coaxially arranged fixed outer ring and connecting inner ring, and the fixed outer ring and the connecting inner ring are fixedly connected by a plurality of equidistantly spaced connecting rods, and the outer wall of the fixed outer ring is pressed on the inner ring wall of air flow channel.

[0007] Further optimization: the inspection component includes disc coaxially arranged with the connecting inner ring, one end of the shaft is fixed to the shaft center of one end surface of disc, and a plurality of equidistantly spaced fixing rods are arranged on the other end surface of disc, one end of each fixing rod is fixed to the disc, and the other end of each fixing rod is provided with a first connecting hole.

[0008] Further optimization: the protection component includes coaxially arranged outer ring protection sleeve and inner ring protection sleeve, the inner and outer diameters of the outer ring protection sleeve are same with the inner and outer diameters of the fixed outer ring, and the inner and outer diameters of the inner ring protection sleeve are same with the inner and outer diameters of the connecting inner ring.

[0009] Further optimization: the outer ring protective sleeve and the inner ring protective sleeve each comprise a side plate arranged in a ring shape, and a ring plate is fixed to one end of the side plate and coaxially arranged with the side plate.

[0010] Further optimization: a plurality of second connecting holes are arranged on the ring plate in a ring shape at equal intervals, and the first connecting hole is matched with the corresponding second connecting hole.

[0011] Further optimization: a plurality of third connecting holes are arranged on the fixed outer ring and the connecting inner ring in a ring shape at equal intervals, and the third connecting hole is matched with the corresponding second connecting hole.

[0012] The utility model discloses the above-mentioned technical scheme has the following beneficial effects: the utility model discloses the above-mentioned technical scheme, clever design, reasonable structure realize the inspection of the concentricity of the cooperation surface of air flow channel and motor shell, on one hand, it is convenient for determining whether the cooperation surface of air flow channel exists deviation, and the quality management department can determine whether air flow channel can be installed with motor shell normally under the existing condition, on the other hand, effectively reduce the time of quality management department inspection air flow channel concentricity, effectively improve the assembly efficiency of motor and finished product quality, and the use of inspection tooling solves the problem of difficult installation of motor shell and air flow channel. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0014] Figure 1 It is a schematic view of the overall structure in the embodiment of the present application.

[0015] Figure 2 It is a schematic view of the overall structure in the embodiment of the present application. Figure 1 It is a schematic view of the overall structure in the embodiment of the present application.

[0016] Figure 3 It is a schematic view of the overall structure in the embodiment of the present application.

[0017] Figure 4 It is a schematic view of the overall structure in the embodiment of the present application. Figure 3

[0018] It is a schematic view of the overall structure in the embodiment of the present application. Figure 5

[0019] It is a schematic view of the overall structure in the embodiment of the present application. Figure 6 It is a schematic view of the overall structure in the embodiment of the present application.

[0020] Figure 7 It is a structure schematic view of the testing assembly in the embodiment of the utility model.

[0021] In the drawing: 1, air flow channel; 2, fixed assembly; 21, fixed outer ring; 22, connecting inner ring; 23, connecting rod; 24, third connecting hole; 3, protection assembly; 31, outer ring protection sleeve; 32, inner ring protection sleeve; 33, side plate; 34, ring plate; 35, second connecting hole; 4, testing assembly; 41, shaft; 42, disc; 43, fixed rod; 44, first connecting hole. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] As Figures 1-7 As shown in the drawings, a kind of air flow channel concentricity testing tool, including fixed assembly 2 installed in air flow channel 1, fixed assembly 2 is equipped with protection assembly 3, fixed assembly 2 is equipped with testing assembly 4, testing assembly 4 and fixed assembly 2 are coaxial arrangement, shaft 41 is installed at the axis of testing assembly 4.

[0024] In the embodiment, fixed assembly 2 is clamped into air flow channel 1, and the concentricity of air flow channel is tested using testing assembly 4.

[0025] If the air flow channel 1 of testing assembly 4 is completely attached with the side wall of testing tool, then it indicates that the concentricity of air flow channel 1 and motor shell is not deviated.

[0026] If the side wall of testing tool cannot be attached with the air flow channel 1, then it indicates that there is deviation between air flow channel 1 and motor shell.

[0027] In the embodiment, the existence of testing tool facilitates to determine whether the concentricity between the matching surface of air flow channel 1 and motor shell is deviated, so as to facilitate quality management department to quickly determine whether air flow channel 1 can be normally installed with motor shell under existing conditions.

[0028] In the embodiment, the testing operation of testing tool is simple and convenient, so as to greatly reduce the time used by quality management department for testing the concentricity of air flow channel 1, and further improve the efficiency.

[0029] As Figures 1-5As shown, the fixing component 2 includes a fixed outer ring 21 and a connecting inner ring 22 arranged coaxially. The fixed outer ring 21 and the connecting inner ring 22 are fixedly connected by a number of connecting rods 23 arranged at equal intervals. The outer wall of the fixed outer ring 21 presses against the inner ring wall of the air flow channel 1.

[0030] In this embodiment, the fixing component 2 serves to fix and determine the reference.

[0031] In this embodiment, the optimal number of connecting rods 23 is 8.

[0032] In this embodiment, the spaced connecting rods 23 effectively reduce the weight of the inspection tooling.

[0033] In this embodiment, with Figure 3 For example, one end of the connecting rod 23 is fixed to the inner end face of the fixed outer ring 21, and the other end of the connecting rod 23 is fixed to the outer end face of the connecting inner ring 22.

[0034] like Figure 7 As shown, the inspection component 4 includes a disk 42 coaxially arranged with the inner ring 22. One end of the shaft 41 is fixed to the center of the shaft on one end face of the disk 42. Several fixing rods 43 are arranged at equal intervals on the other end face of the disk 42. One end of each fixing rod 43 is fixed to the disk 42, and the other end of each fixing rod 43 is provided with a first connecting hole 44.

[0035] In this embodiment, the optimal number of fixing rods 43 is 8.

[0036] In this embodiment, the number of fixing rods 43 is the same as the number of connecting rods 23.

[0037] In this embodiment, the fixing rod 43 and the disk 42 form a structure similar to an internal support.

[0038] In this embodiment, a slot (not shown in the figure) is provided on the shaft 41.

[0039] like Figures 1-3 and Figure 5 As shown, the protective component 3 includes an outer ring protective sleeve 31 and an inner ring protective sleeve 32 arranged coaxially. The inner and outer diameters of the outer ring protective sleeve 31 are the same as the inner and outer diameters of the fixed outer ring 21, and the inner and outer diameters of the inner ring protective sleeve 32 are the same as the inner and outer diameters of the connecting inner ring 22.

[0040] Since the airflow channels 1 of different structures are of different sizes, the inspection fixture can be made of materials with lower density and have a hollow structure to reduce the overall weight of the fixture.

[0041] Therefore, both the fixing component 2 and the inspection component 4 are made of low-density materials (such as aluminum, magnesium alloys, etc.).

[0042] However, since the low-density material has the problem of low mechanical strength, deformation and damage may occur due to bumping and the like during use.

[0043] In the embodiment, the outer ring protective sleeve 31 and the inner ring protective sleeve 32 are used to protect the fixed outer ring 21 and the connecting inner ring 22, so that the inspection accuracy will not decrease due to the use material, bumping and the like during long-term use.

[0044] The outer ring protective sleeve 31 and the inner ring protective sleeve 32 each include a side plate 33 arranged in a ring shape, and an annular plate 34 is fixed to one end of the side plate 33, and the annular plate 34 is coaxially arranged with the side plate 33.

[0045] In the embodiment, the annular plate 34 of the outer ring protective sleeve 31 is pressed against the end surface of the fixed outer ring 21, and the side plate 33 is pressed against the outer circular surface of the fixed outer ring 21.

[0046] When the fixing assembly 2 is clamped into the air flow channel 1, the annular plate 34 of the outer ring protective sleeve 31 is pressed against the inner wall of the air flow channel 1.

[0047] In the embodiment, the annular plate 34 of the inner ring protective sleeve 32 is pressed against the end surface of the connecting inner ring 22, and the side plate 33 is pressed against the outer circular surface of the connecting inner ring 22.

[0048] Moreover, a plurality of second connecting holes 35 are arranged in a ring shape on the annular plate 34 at equal intervals, and the first connecting holes 44 are matched with the corresponding second connecting holes 35.

[0049] In the embodiment, the number of the second connecting holes 35 on the outer ring protective sleeve 31 is the same as the number of the second connecting holes 35 on the inner ring protective sleeve 32.

[0050] As shown in the drawings, Figures 1-6 As shown in the drawings, a plurality of third connecting holes 24 are arranged in a ring shape on the fixed outer ring 21 and the connecting inner ring 22 at equal intervals, and the third connecting holes 24 are matched with the corresponding second connecting holes 35.

[0051] In the embodiment, the number of the second connecting holes 35 on the inner ring protective sleeve 32 is the sum of the number of the third connecting holes 24 and the number of the first connecting holes 44 on the connecting inner ring 22.

[0052] In the embodiment, the third connecting holes 24 on the connecting inner ring 22 and the second connecting holes 35 on the inner ring protective sleeve 32 are jointly screwed with a fastening bolt, so as to realize the dismounting and mounting of the connecting inner ring 22 and the inner ring protective sleeve 32.

[0053] In the embodiment, the first connecting hole 44 and the third connecting hole 24 on the connecting inner ring 22 are jointly screwed with a fastening bolt, so as to realize the dismounting and mounting of the inner ring protective sleeve 32 and the fixing rod 43.

[0054] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air flow passage concentricity inspection tool characterized by, The utility model provides a kind of air flow channel protection device, including the fixed assembly (2) installed in air flow channel (1), the protective assembly (3) is installed on the fixed assembly (2), and the verification assembly (4) is detachably installed on the fixed assembly (2), the verification assembly (4) is coaxially arranged with the fixed assembly (2), and the shaft rod (41) is installed at the axis of the verification assembly (4).

2. An air flow passage concentricity inspection tool according to claim 1, wherein, The fixed assembly (2) includes coaxially arranged fixed outer ring (21) and connecting inner ring (22), and the fixed outer ring (21) and the connecting inner ring (22) are fixedly connected by a plurality of equidistantly spaced connecting rods (23). The outer wall of the fixed outer ring (21) is pressed against the inner ring wall of the air flow channel (1).

3. An air flow passage concentricity inspection tool according to claim 2, wherein, The verification assembly (4) includes a disc (42) coaxially arranged with the connecting inner ring (22). One end of the shaft rod (41) is fixed to the axis of one end surface of the disc (42). The disc (42) has a plurality of equidistantly spaced fixing rods (43) arranged on the other end surface. One end of each fixing rod (43) is fixed to the disc (42), and the other end of each fixing rod (43) is provided with a first connecting hole (44).

4. An air flow passage concentricity inspection tool according to claim 3, wherein, The protective assembly (3) includes coaxially arranged outer ring protective sleeve (31) and inner ring protective sleeve (32). The inner and outer diameters of the outer ring protective sleeve (31) are the same as those of the fixed outer ring (21), and the inner and outer diameters of the inner ring protective sleeve (32) are the same as those of the connecting inner ring (22).

5. An air flow passage concentricity verification tool according to claim 4, wherein, The outer ring protective sleeve (31) and the inner ring protective sleeve (32) each include a side plate (33) arranged in a ring shape. One end of the side plate (33) is fixed with a ring plate (34), and the ring plate (34) is coaxially arranged with the side plate (33).

6. An air flow passage concentricity inspection tool according to claim 5, wherein, The ring plate (34) has a plurality of equidistantly spaced second connecting holes (35) arranged in a ring shape. The first connecting hole (44) is adapted to the corresponding second connecting hole (35).

7. An air flow passage concentricity inspection tool according to claim 6, wherein, The fixed outer ring (21) and the connecting inner ring (22) each have a plurality of equidistantly spaced third connecting holes (24) arranged in a ring shape. The third connecting hole (24) is adapted to the corresponding second connecting hole (35).

Images