Automobile instrument assembly testing fixture

Abstract

The utility model discloses a testing fixture for an automobile instrument assembly. The testing fixture comprises a testing fixture base, an instrument assembly upper edge bracket, an instrument assembly lower edge bracket, an upper pressing plate, a lower pressing plate, a linkage frame and a cam pressing rod, the instrument assembly upper edge bracket and the instrument assembly lower edge bracket are fixed at the two ends of the testing fixture base; the upper pressing plate and the instrument assembly upper edge bracket can clamp the upper edge of the instrument assembly; the lower pressing plate and the instrument assembly lower edge bracket can clamp the lower edge of the instrument assembly; the cam pressing rod is connected with the upper pressing plate and the lower pressing plate through a linkage frame; the upper pressing plate and the lower pressing plate can be separated from the clamping state by pulling a handle on the cam pressing rod. After instrument assembly flat cables are connected, the instrument assembly is placed on the instrument assembly upper edge bracket and the instrument assembly lower edge bracket; the bolt holes in the instrument assembly correspond to the positioning pins on the instrument assembly upper edge bracket and the instrument assembly lower edge bracket in position; various functions of the instrument assembly are detected according to the instrument testing instrument; the instrument assembly is in a suspended state, so that friction and damage to a test cable are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle accessories production, and in particular relates to an automobile instrument assembly inspection tool. Background Art

[0002] Gauges are simple tools used by industrial manufacturers to control various dimensions of products (such as aperture, space dimensions, etc.), improve production efficiency and control quality, and are suitable for mass-produced products such as auto parts to replace professional measuring tools such as smooth plug gauges, threaded plug gauges, and outer diameter calipers. The instrument assembly is mainly composed of a circuit board, an instrument cover, and a bottom shell.

[0003] The existing instrument assembly is directly placed on the workbench during the final assembly, and the instrument assembly is prone to collision with the fixed structure of the inspection fixture, which will cause damage to the instrument assembly, and then leave scratches on the surface of the instrument assembly, causing damage to the product. During the connection test of the instrument assembly, the instrument assembly is pressed on the connection point, which is easy to damage the test line and increase production costs. Summary of the invention

[0004] The purpose of the present invention is to solve the above-mentioned problem and to provide an automobile instrument assembly inspection fixture.

[0005] A vehicle instrument assembly inspection fixture, comprising: an inspection fixture base 1, an instrument assembly upper bracket 2, an instrument assembly lower bracket 3, an upper pressure plate 4, a lower pressure plate 5, a linkage frame 6, and a cam pressure rod 7; the instrument assembly upper bracket 2 and the instrument assembly lower bracket 3 are arranged on the upper end surface of the inspection fixture base 1; the middle of the outer edge of the upper pressure plate 4 is axially connected to the instrument assembly upper bracket 2; the middle of the outer edge of the lower pressure plate 5 is provided with a lower outer edge pressure rod 51, and the lower outer edge pressure rod 51 is axially connected to the instrument assembly lower bracket 3; the inspection fixture base 1 is provided with a lifting slide bar 11 and a shaft rod Seat 12; the shaft seat 12 is arranged on one side of the bracket 3 near the lower edge of the instrument assembly; the linkage frame 6 is sleeved on the lifting slide bar 11; the cam pressure rod 7 includes; an eccentric cam 71, a cam connecting rod 72, and a handle 73; there are two eccentric cams 71, and the two eccentric cams 71 are fixed at both ends of the cam connecting rod 72; the cam connecting rod 72 is axially connected to the shaft seat 12; the eccentric cams 71 at both ends are provided with threaded holes 711; the tail end of the handle 73 is locked in the threaded hole 711; the outer edge of the eccentric cam 71 contacts the upper end surface of the linkage frame 6.

[0006] The upper bracket 2 of the instrument assembly is provided with a first locating pin 21; the upper bracket 2 of the instrument assembly is provided with a first axial connection portion 22; the lower bracket 3 of the instrument assembly is provided with a second locating pin 31; the lower bracket 3 of the instrument assembly is provided with a second axial connection portion 32; the first locating pin 21 and the second locating pin 31 correspond to the bolt holes provided on the instrument assembly.

[0007] An upper outer edge pressure rod 41 is provided at the middle part of the outer edge of the upper pressure plate 4, and the outer edge pressure rod 41 is axially connected to the first axis connection part 22 through a first axis rod 42; a first torsion spring 43 is provided on the first axis rod 42; a first positioning through hole 44 is provided on the upper pressure plate 4; the first positioning through hole 44 corresponds to the position of the first positioning pin 21; the upper pressure plate 4 is clamped with the upper edge bracket 2 of the instrument assembly through the first torsion spring 43; a lower outer edge pressure rod 51 is provided at the middle part of the outer edge of the lower pressure plate 5, and the lower outer edge pressure rod 51 is axially connected to the second axis connection part 32 through a second axis rod 52; a second torsion spring 53 is provided on the second axis rod 52; a second positioning through hole 54 is provided on the lower pressure plate 5; the second positioning through hole 54 corresponds to the position of the second positioning pin 31; the lower pressure plate 5 is clamped with the lower edge bracket 3 of the instrument assembly through the second torsion spring 53.

[0008] The technical solution provides an automobile instrument assembly inspection fixture, which includes: an inspection fixture base 1, an instrument assembly upper bracket 2, an instrument assembly lower bracket 3, an upper pressure plate 4, a lower pressure plate 5, a linkage frame 6, and a cam pressure rod 7; the instrument assembly upper bracket 2 and the instrument assembly lower bracket 3 are relatively arranged on the upper end surface of the inspection fixture base 1; the upper pressure plate 4 and the instrument assembly upper bracket 2 can clamp the instrument assembly upper edge; the lower pressure plate 5 and the instrument assembly lower bracket 3 can clamp the instrument assembly lower edge; the cam pressure rod 7 connects the upper pressure plate 4 and the lower pressure plate through the linkage frame 6 Plate 5; a handle 73 is provided on the cam pressure rod 7, and the upper pressure plate 4 and the lower pressure plate 5 can be released from the clamping state by pulling the handle; after the instrument assembly 8 is connected to the wiring, the instrument assembly 8 is placed on the upper bracket 2 of the instrument assembly and the lower bracket 3 of the instrument assembly; the bolt holes on the instrument assembly 8 correspond to the positions of the locating pins on the upper bracket 2 of the instrument assembly and the lower bracket 3 of the instrument assembly; various functions of the instrument assembly 8 are tested according to the instrument test instrument; the main body of the instrument assembly 8 is in a suspended state to reduce friction and damage to the test cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the use status of an automobile instrument assembly inspection fixture of the utility model;

[0010] Figure 2 This is a schematic diagram of the state of the instrument assembly before clamping of an automobile instrument assembly inspection fixture of the utility model;

[0011] Figure 3 It is an overall schematic diagram of an automobile instrument assembly inspection fixture of the utility model;

[0012] Figure 4 This is a schematic diagram of the structure of a check fixture base of an automobile instrument assembly check fixture of the utility model;

[0013] Figure 5 This is a schematic diagram of the structure of a linkage frame of an automobile instrument assembly inspection fixture of the utility model;

[0014] In the figure: 1, the inspection fixture base, 11, the lifting slide bar, 12, the shaft rod seat, 13, the rectangular through hole, 14, the wire groove, 2, the upper edge bracket of the instrument assembly, 21, the first positioning pin, 22, the first shaft connection part, 3, the lower edge bracket of the instrument assembly, 31, the second positioning pin, 32, the second shaft connection part, 4, the upper pressure plate, 41, the upper outer edge pressure rod, 42, the first shaft rod, 43, the first torsion spring, 44, the first positioning through hole, 5, the lower pressure plate, 51, the lower outer edge pressure rod, 52, the second shaft rod, 53, the second torsion spring, 54, the second positioning through hole, 6, the linkage frame, 61, the slide rod through hole, 62, the upper linkage pressure rod, 63, the lower linkage pressure rod, 7, the cam pressure rod, 71, the eccentric cam, 711, the threaded hole, 72, the cam connecting rod, 73, the handle. DETAILED DESCRIPTION

[0015] The following will further describe the technical solution clearly and completely in conjunction with the accompanying drawings of the technical solution. The described embodiments are only part of the technical solution, not all of the embodiments. Based on the technical solution, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figures 1 to 3 As shown, a vehicle instrument assembly inspection fixture comprises: an inspection fixture base 1, an instrument assembly upper bracket 2, an instrument assembly lower bracket 3, an upper pressure plate 4, a lower pressure plate 5, a linkage frame 6, and a cam pressure rod 7;

[0017] The inspection fixture base 1 comprises: a lifting slide bar 11 and a shaft rod seat 12;

[0018] The four corners of the inspection fixture base 1 are provided with lifting slide bars 11; two shaft rod seats 12 are provided, and the two shaft rod seats 12 are arranged on one side of the bracket 3 near the lower edge of the instrument assembly;

[0019] A rectangular through hole 13 is provided in the middle of the inspection fixture base 1; wire grooves 14 are provided on both sides of the rectangular through hole.

[0020] The upper bracket 2 of the instrument assembly and the lower bracket 3 of the instrument assembly are arranged on the gauge base 1 relatively; the upper bracket 2 of the instrument assembly is provided with a first positioning pin 21; the upper bracket 2 of the instrument assembly is provided with a first shaft connection portion 22; the lower bracket 3 of the instrument assembly is provided with a second positioning pin 31; the lower bracket 3 of the instrument assembly is provided with a second shaft connection portion 32; the first positioning pin 21 and the second positioning pin 31 correspond to the bolt holes provided on the instrument assembly;

[0021] An upper outer edge pressure rod 41 is provided at the middle of the outer edge of the upper pressure plate 4, and the outer edge pressure rod 41 is axially connected to the first axial connection portion 22 through a first shaft rod 42; a first torsion spring 43 is provided on the first shaft rod 42; a first positioning through hole 44 is provided on the upper pressure plate 4; the first positioning through hole 44 corresponds to the position of the first positioning pin 21; the upper pressure plate 4 is clamped with the upper bracket 2 of the instrument assembly through the first torsion spring 43;

[0022] A lower outer edge pressure rod 51 is provided in the middle part of the outer edge of the lower pressure plate 5, and the lower outer edge pressure rod 51 is axially connected to the second axial connection part 32 through a second shaft rod 52; a second torsion spring 53 is provided on the second shaft rod 52; a second positioning through hole 54 is provided on the lower pressure plate 5; the second positioning through hole 54 corresponds to the position of the second positioning pin 31; the lower pressure plate 5 is clamped with the lower edge bracket 3 of the instrument assembly through the second torsion spring 53.

[0023] The linkage frame 6 is a frame structure, and is provided with four slide rod through holes 61, which are respectively provided at the corners of the linkage frame 6; the slide rod through holes 61 are sleeved on the lifting slide rod 11;

[0024] An upper linkage pressure rod 62 and a lower linkage pressure rod 63 are respectively provided on both sides of the linkage frame 6; the upper linkage pressure rod 62 is slidably connected to the upper outer edge pressure rod 41 through an upper connecting rod; the lower linkage pressure rod 63 is slidably connected to the lower outer edge pressure rod 51 through a lower connecting rod.

[0025] The cam lever 7 comprises an eccentric cam 71, a cam connecting rod 72 and a handle 73. Two eccentric cams 71 are provided, and the two eccentric cams 71 are fixed at both ends of the cam connecting rod 72. The cam connecting rod 72 is axially connected to the shaft rod seat 12. The eccentric cams 71 at both ends are provided with threaded holes 711. The tail end of the handle 73 is locked in the threaded hole 711.

[0026] The outer edge of the eccentric cam 71 contacts the upper end surface of the linkage frame 6 .

[0027] Directions:

[0028] In a vehicle instrument assembly inspection fixture, an upper pressure plate 4 and an upper bracket 2 of the instrument assembly can clamp the upper edge of the instrument assembly; a lower pressure plate 5 and a lower bracket 3 of the instrument assembly can clamp the lower edge of the instrument assembly; a lifting slide bar 11 and a shaft rod seat 12 are provided on a inspection fixture base 1; the shaft rod seat 12 is provided on one side of the bracket 3 near the lower edge of the instrument assembly; a linkage frame 6 is sleeved on the lifting slide bar 11; a cam pressure rod 7 is provided with an eccentric cam 71, and a handle 73 is provided on the eccentric cam 71; the outer edge of the eccentric cam 71 contacts the upper end surface of the linkage frame 6. Pull the handle 73, the eccentric cam 71 presses down the upper pressure plate 4 and the lower pressure plate 5 of the linkage frame 6; pull the handle 73, the eccentric cam 71 presses down the linkage frame 6, and the linkage frame 6 drives the upper pressure plate 4 and the lower pressure plate 5 to leave the clamping state; after the instrument assembly 8 is connected, the instrument assembly 8 is placed on the upper bracket 2 of the instrument assembly and the lower bracket 3 of the instrument assembly; the bolt holes on the instrument assembly 8 correspond to the positions of the locating pins on the upper bracket 2 of the instrument assembly and the lower bracket 3 of the instrument assembly; the various functions of the instrument assembly 8 are tested according to the instrument test instrument; the main body of the instrument assembly 8 is in a suspended state to reduce friction and damage to the test cable.

Claims

1. An automobile instrument assembly inspection fixture, characterized in that The apparatus comprises: a gauge base (1), an upper bracket (2) of an instrument assembly, a lower bracket (3) of an instrument assembly, an upper pressure plate (4), a lower pressure plate (5), a linkage frame (6), and a cam pressure rod (7); the upper bracket (2) of the instrument assembly and the lower bracket (3) of the instrument assembly are arranged on the upper end surface of the gauge base (1) in a relative manner; the middle part of the outer edge of the upper pressure plate (4) is axially connected to the upper bracket (2) of the instrument assembly; the middle part of the outer edge of the lower pressure plate (5) is axially connected to the lower bracket (3) of the instrument assembly; a lifting slide bar (11) is provided on the gauge base (1) ) and an axle seat (12); the axle seat (12) is arranged on one side of the bracket (3) near the lower edge of the instrument assembly; the linkage frame (6) is sleeved on the lifting slide bar (11); the cam pressure rod (7) includes an eccentric cam (71) and a handle (73); the cam connecting rod ((72)) is axially connected to the axle seat (12); the eccentric cams (71) at both ends are provided with threaded holes (711); the tail end of the handle (73) is locked in the threaded hole (711); the outer edge of the eccentric cam (71) contacts the upper end surface of the linkage frame (6).

2. The automobile instrument assembly inspection fixture according to claim 1, characterized in that: The upper bracket (2) of the instrument assembly is provided with a first positioning pin (21); the upper bracket (2) of the instrument assembly is provided with a first shaft connection portion (22); the lower bracket (3) of the instrument assembly is provided with a second positioning pin (31); the lower bracket (3) of the instrument assembly is provided with a second shaft connection portion (32); the first positioning pin (21) and the second positioning pin (31) correspond to the bolt holes provided on the instrument assembly.

3. The automobile instrument assembly inspection fixture according to claim 2, characterized in that: An upper outer edge pressure rod (41) is provided at the middle of the outer edge of the upper pressure plate (4), and the upper outer edge pressure rod (41) is axially connected to the first axial connection portion (22) through a first axial rod (42); a first torsion spring (43) is provided on the first axial rod (42); a first positioning through hole (44) is provided on the upper pressure plate (4); the first positioning through hole (44) corresponds to the position of the first positioning pin (21); the upper pressure plate (4) is clamped with the upper edge bracket (2) of the instrument assembly through the first torsion spring (43). The lower pressure plate (5) is provided with a lower outer edge pressure rod (51) at the middle of the outer edge of the lower pressure plate (5), and the lower outer edge pressure rod (51) is axially connected to the second axial connection part (32) through a second axial rod (52); a second torsion spring (53) is provided on the second axial rod (52); a second positioning through hole (54) is provided on the lower pressure plate (5); the second positioning through hole (54) corresponds to the position of the second positioning pin (31); the lower pressure plate (5) is clamped with the lower edge bracket (3) of the instrument assembly through the second torsion spring (53).

4. The automobile instrument assembly inspection fixture according to claim 2, characterized in that: The cam pressure rod (7) is also provided with a cam connecting rod (72), and two eccentric cams (71) are provided. The two eccentric cams (71) are fixed at both ends of the cam connecting rod (72).

Images