Automobile rear middle door plate and testing fixture thereof

Abstract

The utility model provides an automobile rear middle door plate which is integrally of an integrally-formed shell structure, a plurality of assembling holes are formed in the edge of the rear middle door plate, a boss is arranged at the position, close to the center, of the rear middle door plate, and a plurality of reinforcing ribs are arranged between the boss and the rear middle door plate. And a positioning hole is formed in the surface of the boss. According to the utility model, the product can be accepted and detected more accurately and efficiently, and the outgoing quality of the product is improved.

Description

Technical Field

[0001] The utility model belongs to the field of product detection, in particular to an automobile rear middle door plate and a detection tool thereof. Background Art

[0002] The demand for cars is increasing. People not only pay attention to their internal quality and shape, but also have higher and higher requirements for the comfort and quality of car interiors. Among them, the rear middle door panel is one of the important car interior parts. The existing rear middle door panel needs to adapt to different cars to achieve the purpose of convenient loading and unloading and high tightness, so the structure of the rear middle door panel needs to be designed; and at present, the inspection of the rear middle door panel after production is often completed by manual observation. This inspection method has errors and does not strictly control the factory standards. Therefore, a kind of inspection fixture is needed to conduct more strict and standardized inspections to improve the factory quality. Utility Model Content

[0003] In view of this, the utility model aims to provide an automobile rear middle door panel and a checking fixture thereof, which can more accurately and efficiently perform acceptance inspection on products and improve the product's exit quality.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A rear middle door panel of an automobile is an integrally formed shell structure. A plurality of assembly holes are arranged at the edge of the rear middle door panel, a boss is arranged near the center of the rear middle door panel, a plurality of reinforcing ribs are arranged between the boss and the rear middle door panel, and positioning holes are arranged on the surface of the boss.

[0006] Furthermore, the edge of the overall contour of the rear middle door panel is an edge portion, and a plurality of assembly holes are arranged on the edge portion.

[0007] Furthermore, the number of the positioning holes is 2, and a plurality of evenly distributed grooves are provided on the circumferential surface of the positioning hole. The number of the grooves is 6, and the depth of the grooves is less than the depth of the positioning hole.

[0008] A checking fixture comprises a bracket, a base plate, a fixing component, a positioning component, a first detection component and a second detection component;

[0009] The bottom plate is mounted on the bracket, and the fixing assembly, the positioning assembly, the first detection assembly and the second detection assembly are all mounted on the bottom plate;

[0010] The positioning assembly is used to cooperate with the assembly hole of the rear middle door panel;

[0011] The fixing assembly is used to fix the rear middle door panel;

[0012] The first detection component is used to detect the edge of the rear middle door panel;

[0013] The second detection component is used to detect the positioning hole on the boss.

[0014] Furthermore, the fixing component and the positioning component are arranged correspondingly; the positioning component corresponds to the assembly hole;

[0015] The positioning assembly includes a positioning platform and a positioning column, wherein the positioning column is arranged on the positioning platform and fits in the assembly hole;

[0016] The fixing assembly is used to fix the rear middle door panel mounted to the positioning assembly.

[0017] Furthermore, the fixing assembly includes a fixing support, a fixing frame, a hinge rod and a fixing member;

[0018] The fixed support is mounted on the bottom plate, the fixing frame is mounted on the top of the fixed support, the hinged rod is hinged to the fixing frame, and a fixing piece is provided at one end of the hinged rod;

[0019] The fixing member includes a positioning rod and a fixing head, wherein the positioning rod is used to be inserted into an assembly hole of the positioning component, and the fixing head is used to press and fix the rear middle door panel.

[0020] Furthermore, the first detection assembly includes an upper detection seat, a lower detection seat and a detection ejector pin, the upper detection seat is mounted on the upper surface of the bottom plate, and the lower detection seat is mounted on the lower surface of the bottom plate.

[0021] The upper detection seat is provided with an upper detection hole, and the lower detection seat is provided with a lower detection hole, and the upper detection hole and the lower detection hole are coaxially arranged;

[0022] The detection ejector pin is arranged in the upper detection hole, and the end thereof passes through the bottom plate. A spring is arranged between the spring ejector pin and the upper detection hole, so as to realize the reciprocating motion of the detection ejector pin.

[0023] The rear middle door panel is installed on the inspection fixture, and the rear middle door panel can press the inspection ejector pin;

[0024] The lower detection hole is used for inserting a micrometer, and the detection end of the micrometer can contact and detect the end of the detection ejector pin.

[0025] Further, the second detection assembly includes a second detection seat, a second detection arm, a second detection head and a limit assembly;

[0026] The No. 2 detection seat is mounted on the bottom plate, the No. 2 detection arm is hinged to the No. 2 detection seat, a No. 2 detection head is provided at the end of the No. 2 detection arm, and a No. 2 detection piece for detecting the positioning hole is provided on the No. 2 detection head;

[0027] The second detection seat is provided with a limit assembly for limiting the second detection arm;

[0028] The limit assembly includes a limit seat and a limit rod, the limit seat is installed on the second detection seat, and the limit rod is installed on the limit seat through a spring;

[0029] When the limit assembly is in a free state, it can limit the second detection arm;

[0030] By pulling the limit rod of the limit assembly, the second detection arm can change its position.

[0031] Furthermore, the No. 2 detection seat has a limiting step, and the limiting step can enable the No. 2 detection arm to rotate between 0°-150°.

[0032] Compared with the prior art, the automobile rear middle door panel described in the utility model has the following advantages:

[0033] (1) The utility model provides a rear middle door panel of an automobile and a checking fixture thereof. The rear middle door panel improves the tightness of installation with the automobile through design and structural layout, thereby avoiding the generation of abnormal noise during driving.

[0034] (2) The utility model provides a rear middle door panel of an automobile and a testing fixture thereof. The testing fixture is designed to correspond to the rear middle door panel, thereby improving the testing quality and speed; and further improving the testing of the edge of the rear middle door to ensure a perfect fit with the automobile installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0036] Figure 1 This is a front view of a rear middle door panel of an automobile according to an embodiment of the utility model;

[0037] Figure 2 This is a schematic diagram of the reverse side of a rear middle door panel of an automobile according to an embodiment of the utility model;

[0038] Figure 3 A schematic diagram of a vehicle rear middle door panel inspection fixture according to an embodiment of the utility model Figure 1 ;

[0039] Figure 4 A schematic diagram of a vehicle rear middle door panel inspection fixture according to an embodiment of the utility model Figure 2 ;

[0040] Figure 5 It is an enlarged schematic diagram of the fixing assembly according to an embodiment of the utility model;

[0041] Figure 6This is an enlarged schematic diagram of a detection component No. 1 according to an embodiment of the utility model;

[0042] Figure 7 It is an enlarged schematic diagram of the second detection component described in the embodiment of the utility model.

[0043] Description of reference numerals:

[0044] 11. Assembly hole; 12. Boss; 13. Positioning hole; 21. Bracket; 22. Bottom plate; 23. Fixing assembly; 231. Fixing support; 232. Fixing frame; 233. Articulated rod; 234. Fixing piece; 2341. Positioning rod; 2342. Fixing head; 24. Positioning assembly; 241. Positioning platform; 242. Positioning column; 25. Detection assembly No. 1; 251. Upper detection seat; 252. Lower detection seat; 253. Detection ejector pin; 254. Micrometer; 26. Detection assembly No. 2; 261. Detection seat No. 2; 262. Detection arm No. 2; 263. Detection head No. 2; 264. Limit assembly; 2641. Limit seat; 2642. Limit rod. DETAILED DESCRIPTION

[0045] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0046] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0047] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0048] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0049] A rear middle door panel of an automobile, such as Figure 1-Figure 2 As shown, the whole is an integrally formed shell structure, a plurality of assembly holes 11 are provided at the edge of the rear middle door panel, a boss 12 is provided near the center of the rear middle door panel, a plurality of reinforcing ribs are provided between the boss 12 and the rear middle door panel; a positioning hole 13 is provided on the surface of the boss 12.

[0050] Preferably, the edge of the overall contour of the rear middle door panel is an edge portion, and a plurality of assembly holes 11 are arranged on the edge portion.

[0051] Preferably, the number of the positioning holes 13 is 2, and a plurality of evenly distributed grooves are provided on the circumferential surface of the positioning hole 13 . The number of the grooves is 6, and the depth of the grooves is less than the depth of the positioning hole 13 .

[0052] A test fixture, such as Figure 3-Figure 7 As shown, it includes a bracket 21, a bottom plate 22, a fixing assembly 23, a positioning assembly 24, a No. 1 detection assembly 25 and a No. 2 detection assembly 26;

[0053] The bottom plate 22 is mounted on the bracket 21, and the fixing assembly 23, the positioning assembly 24, the first detection assembly 25 and the second detection assembly 26 are all mounted on the bottom plate 22;

[0054] The positioning assembly 24 is used to cooperate with the assembly hole 11 of the rear middle door panel;

[0055] The fixing assembly 23 is used to fix the rear middle door panel;

[0056] The first detection component 25 is used to detect the edge of the rear middle door panel;

[0057] The second detection component 26 is used to detect the positioning hole 13 on the boss 12;

[0058] A plurality of positioning components 24 form a platform on which the rear middle door panel can be placed. When testing, the rear middle door panel is first placed on the platform;

[0059] Preferably, the fixing assembly 23 and the positioning assembly 24 are arranged correspondingly; the positioning assembly 24 corresponds to the assembly hole 11;

[0060] The positioning assembly 24 includes a positioning platform 241 and a positioning column 242. The positioning column 242 is disposed on the positioning platform 241, and the positioning column 242 fits with the assembly hole 11.

[0061] The fixing assembly 23 is used to fix the rear middle door panel mounted to the positioning assembly 24 .

[0062] Preferably, the fixing assembly 23 includes a fixing support 231, a fixing frame 232, a hinge rod 233 and a fixing member 234;

[0063] The fixed support 231 is installed on the bottom plate 22, the fixing frame 232 is installed on the top of the fixed support 231, the hinge rod 233 is hinged to the fixing frame 232, and one end of the hinge rod 233 is provided with a fixing piece 234;

[0064] The fixing member 234 includes a positioning rod 2341 and a fixing head 2342 . The positioning rod 2341 is used to be inserted into the assembly hole 11 of the positioning assembly 24 , and the fixing head 2342 is used to press and fix the rear middle door panel.

[0065] Preferably, the first detection assembly 25 includes an upper detection seat 251, a lower detection seat 252 and a detection ejector pin 253, wherein the upper detection seat 251 is mounted to the upper surface of the bottom plate 22, and the lower detection seat 252 is mounted to the lower surface of the bottom plate 22.

[0066] The upper detection seat 251 is provided with an upper detection hole, and the lower detection seat 252 is provided with a lower detection hole, and the upper detection hole and the lower detection hole are coaxially arranged;

[0067] The detection ejector pin 253 is arranged in the upper detection hole, and the end thereof passes through the bottom plate 22. A spring is arranged between the spring ejector pin and the upper detection hole, so as to realize the reciprocating motion of the detection ejector pin 253.

[0068] The rear middle door panel is installed on the inspection fixture, and the rear middle door panel can press the inspection ejector pin 253;

[0069] The lower detection seat 252 is equivalent to a reference, and the lower detection hole is used to insert the micrometer 254. The detection end of the micrometer 254 can contact the end of the detection pin 253 for detection.

[0070] Preferably, the second detection assembly 26 includes a second detection seat 261, a second detection arm 262, a second detection head 263 and a limit assembly 264;

[0071] The second detection base 261 is installed on the bottom plate 22. The second detection arm 262 is hinged to the second detection base 261. The end of the second detection arm 262 is provided with a second detection head 263, and a second detection component for detecting the positioning hole 13 is provided on the second detection head 263;

[0072] A limiting component 264 is provided on the second detection base 261 for limiting the second detection arm 262;

[0073] The limiting component 264 includes a limiting seat 2641 and a limiting rod 2642. The limiting seat 2641 is installed on the second detection base 261, and the limiting rod 2642 is installed on the limiting seat 2641 through a spring;

[0074] In the free state of the limiting component 264, the second detection arm 262 can be limited;

[0075] Pull the limiting rod 2642 of the limiting component 264, and the position of the second detection arm 262 can be changed. The limiting rod 2642 limits the stroke of the second detection arm 262.

[0076] Preferably, a limiting step is further provided on the second detection base 261, and the limiting step can enable the second detection arm 262 to rotate between 0° and 150°; to avoid damage caused by excessive rotation.

[0077] The second limiting component 264 is used to detect the positioning hole 13 on the boss 12. If it can be inserted therein, it means the detection is qualified.

[0078] During use, first place the rear middle door panel of the product on a plurality of positioning components 24, and then operate the hinge rod 233 of the fixing component 23 to press the rear middle door panel with the fixing head 2342 and insert the positioning rod 2341. On the one hand, it can detect the assembly hole 11, and on the other hand, it can fix the product to avoid shaking. The installed rear middle door panel presses the detection thimble 253 of the first detection component 25. The lower detection hole is used to insert the dial indicator 254, and the detection end of the dial indicator 254 contacts the end of the detection thimble 253 for detection to check whether it is within the standard range;

[0079] The second detection component 26 detects the positioning hole 13 on the boss 12. If the second detection head 263 of the second detection component 26 can be inserted into the positioning hole 13, it meets the detection standard.

[0080] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rear middle door panel of an automobile, characterized in that: The whole is an integrally formed shell structure, a plurality of assembly holes are arranged at the edge of the rear middle door panel, a boss is arranged near the center of the rear middle door panel, a plurality of reinforcing ribs are arranged between the boss and the rear middle door panel; positioning holes are arranged on the surface of the boss.

2. The rear middle door panel of an automobile according to claim 1, characterized in that: The edge of the overall contour of the rear middle door panel is an edge portion, and a plurality of assembly holes are arranged on the edge portion.

3. The rear middle door panel of an automobile according to claim 1, characterized in that: The number of the positioning holes is 2, and a plurality of evenly distributed card grooves are arranged on the circumferential surface of the positioning hole. The number of the card grooves is 6, and the depth of the card grooves is less than the depth of the positioning hole.

4. A checking fixture, applied to a rear middle door panel of an automobile according to any one of claims 1 to 3, characterized in that: It includes a bracket, a base plate, a fixing component, a positioning component, a No. 1 detection component and a No. 2 detection component; The bottom plate is mounted on the bracket, and the fixing assembly, the positioning assembly, the first detection assembly and the second detection assembly are all mounted on the bottom plate; The positioning assembly is used to cooperate with the assembly hole of the rear middle door panel; The fixing assembly is used to fix the rear middle door panel; The first detection component is used to detect the edge of the rear middle door panel; The second detection component is used to detect the positioning hole on the boss.

5. A gauge according to claim 4, characterized in that: The fixing component and the positioning component are arranged correspondingly; the positioning component corresponds to the assembly hole; The positioning assembly includes a positioning platform and a positioning column, wherein the positioning column is arranged on the positioning platform and fits in the assembly hole; The fixing assembly is used to fix the rear middle door panel mounted to the positioning assembly.

6. A gauge according to claim 5, characterized in that: The fixing assembly comprises a fixing support, a fixing frame, a hinged rod and a fixing piece; The fixed support is mounted on the bottom plate, the fixing frame is mounted on the top of the fixed support, the hinged rod is hinged to the fixing frame, and a fixing piece is provided at one end of the hinged rod; The fixing member includes a positioning rod and a fixing head, wherein the positioning rod is used to be inserted into an assembly hole of the positioning component, and the fixing head is used to press and fix the rear middle door panel.

7. A gauge according to claim 4, characterized in that: The first detection assembly includes an upper detection seat, a lower detection seat and a detection ejector pin, wherein the upper detection seat is mounted on the upper surface of the bottom plate, and the lower detection seat is mounted on the lower surface of the bottom plate. The upper detection seat is provided with an upper detection hole, and the lower detection seat is provided with a lower detection hole, and the upper detection hole and the lower detection hole are coaxially arranged; The detection ejector pin is arranged in the upper detection hole, and the end portion thereof passes through the bottom plate, and the detection ejector pin can realize reciprocating motion relative to the bottom plate; The rear middle door panel is installed on the inspection fixture, and the rear middle door panel can press the inspection ejector pin; The lower detection hole is used for inserting a micrometer, and the detection end of the micrometer can contact and detect the end of the detection ejector pin.

8. A gauge according to claim 4, characterized in that: The second detection assembly includes a second detection seat, a second detection arm, a second detection head and a limit assembly; The No. 2 detection seat is mounted on the bottom plate, the No. 2 detection arm is hinged to the No. 2 detection seat, a No. 2 detection head is provided at the end of the No. 2 detection arm, and a No. 2 detection piece for detecting the positioning hole is provided on the No. 2 detection head; The second detection seat is provided with a limit assembly for limiting the second detection arm; The limit assembly includes a limit seat and a limit rod, the limit seat is installed on the second detection seat, and the limit rod is installed on the limit seat through a spring; When the limit assembly is in a free state, it can limit the second detection arm; By pulling the limit rod of the limit assembly, the second detection arm can change its position.

9. A gauge according to claim 8, characterized in that: The No. 2 detection seat also has a limiting step, and the limiting step can enable the No. 2 detection arm to rotate between 0°-150°.

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