Automobile engine cover positioning and mounting device and mounting method

Abstract

The invention relates to the technical field of automobile manufacturing, in particular to an automobile engine cover positioning and mounting device and a mounting method.The automobile engine cover positioning and mounting device comprises a support (1); a first positioning structure and a second positioning structure are respectively arranged on the bracket (1); the first positioning structure is connected with a vehicle body (3); the second positioning structure is connected with the engine cover (2); the first positioning structure can realize stable fixation of the bracket and the vehicle body; the support and the engine cover can be stably fixed through the second positioning structure; when the engine cover is installed on a vehicle body, the uniformity and the stability of gaps and surface differences between the engine cover and a fender and between the engine cover and a side wall can be guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile manufacturing, and in particular to a positioning and mounting device and a mounting method for an automobile engine cover. Background Art

[0002] At present, in the process of automobile assembly, the assembly of the four doors and two covers of the car body has always been a difficult point and the key point. The matching state of the gap surface difference between the four doors and two covers and the car body directly affects the aesthetic coordination of the whole vehicle appearance. At the same time, the matching accuracy affects the car's wind noise, door closing performance and consumers' driving experience. Therefore, the gap surface difference in the manufacturing process is also an important indicator for evaluating the refinement level of the whole vehicle.

[0003] Currently, during the assembly process, the gap and surface difference between the bonnet and the body side are usually adjusted manually; due to the lack of certain auxiliary positioning, the relative position of the bonnet and the body is difficult to control, which often causes uneven gaps between the bonnet and the left and right fenders, and the left and right side panels, or the surface difference cannot meet the requirements, seriously affecting the loading efficiency.

[0004] After searching, the applicant found that the Chinese patent document with publication number 213269381U disclosed a hood lock installation device, a hood lock device, an engine hood and a vehicle on May 25, 2021. The hood lock installation device of the engine hood includes: a hood lock base plate; a mounting beam, the hood lock base plate is connected to the mounting beam; a buffer assembly, the buffer assembly is connected between the hood lock base plate and the mounting beam, and when subjected to external impact, the hood lock base plate generates a corresponding buffer stroke in the up and down directions through the buffer assembly; this device also cannot solve the above-mentioned technical problems.

[0005] Therefore, in order to improve or solve at least one of the above problems, it is necessary to optimize the existing automobile engine hood mounting device. Summary of the invention

[0006] The object of the present invention is to provide a positioning and installation device and an installation method for an automobile engine hood which can improve the qualified rate of matching clearance, surface difference and alignment during assembly of the engine hood.

[0007] In order to solve the above technical problems, the technical solution adopted by the present invention is: a car engine hood positioning and installation device, including a bracket; the bracket is respectively provided with a first positioning structure and a second positioning structure; the first positioning structure is connected to the vehicle body; the second positioning structure is connected to the engine hood.

[0008] The bracket includes an inclined plate and a bottom plate; one end of the inclined plate is connected to the bottom plate; a support plate is provided between the other end of the inclined plate and the bottom plate; the first positioning structure is provided on the bottom plate; and the second positioning structure is provided on the inclined plate.

[0009] The first positioning structure comprises a vehicle body positioning pin; the vehicle body positioning pin is connected to the bottom of the base plate; and a first rib and a second rib are respectively provided at both ends of the base plate.

[0010] A first mounting plate is provided between the bottom plate and the support plate; the first rib is mounted on the first mounting plate; a second mounting plate is provided between the bottom plate and the inclined plate; the second rib is mounted on the second mounting plate; and a slot is provided on both the first rib and the second rib.

[0011] The bottom plate is provided with a first support block and a second support block respectively; the first support block and the second support block are respectively provided at two ends of the bottom plate.

[0012] The second positioning structure comprises a cover plate positioning pin; the cover plate positioning pin is arranged at the end of the inclined plate close to the support plate; a support block is arranged on the inclined plate; the support blocks are respectively arranged at both ends of the inclined plate.

[0013] The cover plate locating pin includes a locating pin sleeve and a pin head; a limiting slide groove is provided on the side wall of the locating pin sleeve; the pin head is installed in the locating pin sleeve and is connected with a handle; the handle is arranged in the limiting slide groove and is connected to the end of the pin head; a limiting slot is provided on the support block; the limiting slide groove includes an upper limiting slot and a lower limiting slot.

[0014] A handle is arranged on the side of the bracket; a fender is arranged on the body; the fenders are arranged on both sides of the body respectively; and a hinge is arranged between the engine cover and the body.

[0015] A method for installing the automobile engine hood positioning and installation device, the method comprising the following steps:

[0016] 1) Installing the bracket on the vehicle body; clamping the card slot on the fender; installing the vehicle body locating pin in the mounting hole of the vehicle body;

[0017] 2) Install the engine cover on the top of the bracket; clamp the edge of the engine cover in the limit slot; install the pin head in the positioning hole of the engine cover;

[0018] 3) connecting the engine cover and the vehicle body with the hinge bolts respectively;

[0019] 4) Remove the pin head from the positioning hole of the engine cover, lift the engine cover from the bracket; and remove the bracket from the vehicle body.

[0020] The step 2) comprises:

[0021] 21) placing the handle in the upper limit groove, the pin head extending from the positioning pin sleeve and inserted into the positioning hole of the engine cover;

[0022] The step 4) comprises:

[0023] The handle is placed in the lower limiting groove, the pin head is retracted into the positioning pin sleeve, and is removed from the positioning hole of the engine cover.

[0024] The beneficial effects of this application are:

[0025] 1. The present application utilizes relatively stable features such as mounting holes and material edges on the vehicle body, and uses vehicle body locating pins, a first retaining edge, a second retaining edge, a first support block and a second support block for positioning, thereby achieving fixation of the bracket to the vehicle body; at the same time, the application utilizes relatively stable features such as locating holes and material edges on the engine cover, and uses cover plate locating pins and support blocks for positioning, thereby achieving fixation of the bracket to the engine cover; at this time, the hinge connecting the vehicle body and the engine cover is tightened by bolts according to a certain torque; thereby, the uniformity and stability of the gap between the engine cover and the vehicle body fender and side panel can be ensured, the qualified rate of the surface difference and alignment can be effectively improved, and the adjustment amount can be greatly reduced.

[0026] 2. The present application provides the brackets symmetrically on both sides of the vehicle body and the engine hood; the positioning and mounting device of the automobile engine hood is designed and used separately, which greatly reduces the overall weight, is easy to operate, and is convenient for handheld use.

[0027] 3. The automobile engine hood positioning and installation device of the present application has a simple structure and low manufacturing cost; it is highly applicable and does not require the use of power, compressed air and other media, thus saving energy; it is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings, wherein:

[0029] Figure 1 This is a structural schematic diagram of the automobile engine hood positioning and installation device.

[0030] Figure 2 This is a schematic diagram of the structure of the bracket of the automobile engine hood positioning and installation device.

[0031] Figure 3 This is a structural schematic diagram of the cover plate positioning pin of the automobile engine cover positioning and installation device.

[0032] Figure 4 This is a schematic diagram of the installation state of the automobile engine hood positioning and installation device.

[0033] The marks in the above figure are:

[0034] The markings in the figure are:

[0035] 1. Bracket,

[0036] 2. Engine hood,

[0037] 3. Body, 301, fender,

[0038] 4. Inclined plate, 401, support block, 402, limit slot,

[0039] 5. Bottom plate, 501. First mounting plate, 502. Second mounting plate,

[0040] 6. Support plate,

[0041] 7. Car body positioning pin,

[0042] 8. First rib, 801, second rib, 802, slot,

[0043] 9. First support block, 901. Second support block,

[0044] 10. Cover plate positioning pin, 101. Positioning pin sleeve, 102. Pin head, 103. Limiting slide groove, 104. Handle, 105. Upper limit groove, 106. Lower limit groove,

[0045] 11. Handle. DETAILED DESCRIPTION

[0046] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.

[0047] Figure 1 The automobile engine hood positioning and installation device shown comprises a bracket 1 ; the bracket 1 is provided with a first positioning structure and a second positioning structure respectively; the first positioning structure is connected to the vehicle body 3 ; the second positioning structure is connected to the engine hood 2 .

[0048] The first positioning structure can achieve stable fixation of the bracket 1 and the vehicle body 3; the second positioning structure can achieve stable fixation of the bracket 1 and the engine hood 2; when the engine hood 2 is installed on the vehicle body 3, the uniformity and stability of the gap and surface difference between the engine hood 2 and the fender 301 and the side panel can be guaranteed.

[0049] The bracket 1 includes an inclined plate 4 and a bottom plate 5; one end of the inclined plate 4 is connected to the bottom plate 5; a support plate 6 is provided between the other end of the inclined plate 4 and the bottom plate 5; a first positioning structure is provided on the bottom plate 5; and a second positioning structure is provided on the inclined plate 4.

[0050] The bracket 1 is made of aluminum alloy, which is easy to operate and convenient for employees to hold and use; the bracket 1 is a triangular structure as a whole; the bottom plate 5 is fixedly connected to the vehicle body 3 through a first positioning structure; the inclined plate 4 is fixedly connected to the engine cover 2 through a second positioning structure.

[0051] The first positioning structure includes a vehicle body positioning pin 7 ; the vehicle body positioning pin 7 is connected to the bottom of the bottom plate 5 ; and a first rib 8 and a second rib 801 are respectively provided at both ends of the bottom plate 5 .

[0052] The body locating pin 7 is connected to the middle section of the base plate 5 by bolts through an L-shaped plate, and extends to the side of the base plate 5 away from the inclined plate 4; the body locating pin 7 is inserted into the mounting hole of the body 3, thereby achieving positioning and facilitating the installation operation of the bracket 1 on the body 3; the first guard edge 8 and the second guard edge 801 are both made of nylon NC to avoid scratching the sheet metal during use.

[0053] A first mounting plate 501 is provided between the bottom plate 5 and the support plate 6; the first rib 8 is installed on the first mounting plate 501; a second mounting plate 502 is provided between the bottom plate 5 and the inclined plate 4; the second rib 801 is installed on the second mounting plate 502; and a slot 802 is provided on both the first rib 8 and the second rib 801.

[0054] The first flange 8 and the second flange 801 are both square blocks, and the cross-section of the slot 802 is triangular; the first flange 8 and the second flange 801 are both connected to the bracket 1 through an L-shaped plate and bolts; the first flange 8 and the second flange 801 are respectively arranged at both ends of the base plate 5, and the edge of the vehicle body 3 is clamped in the slot 802, and one side of the slot 802 is fitted with the sheet metal of the fender 301.

[0055] A first support block 9 and a second support block 901 are respectively provided on the bottom plate 5 ; the first support block 9 and the second support block 901 are respectively provided at two ends of the bottom plate 5 .

[0056] The first support block 9 and the second support block 901 are both L-shaped structures. The first support block 9 and the second support block 901 are respectively connected with L-shaped blocks, and the L-shaped blocks are connected to the side bolts of the base plate 5; the first support block 9 and the second support block 901 are respectively connected to the bottom surface of the L-shaped blocks; the right-angle grooves of the first support block 9 and the second support block 901 are clamped on the vehicle body 3, which can achieve stable fixation of the bracket 1.

[0057] The second positioning structure includes a cover plate positioning pin 10 ; the cover plate positioning pin 10 is arranged at the end of the inclined plate 4 close to the support plate 6 ; a support block 401 is arranged on the inclined plate 4 ; the support blocks 401 are respectively arranged at both ends of the inclined plate 4 .

[0058] The cover plate locating pin 10 is fixedly connected to the end face of the inclined plate 4 and extends toward the side of the inclined plate 4 away from the bottom plate 5; the cover plate locating pin 10 is inserted into the locating hole of the engine cover 2, thereby facilitating the positioning and fixation of the bracket 1 on the engine cover 2, and facilitating the installation and fixation operation of the engine cover 2 on the bracket 1; the support block 401 is bolted to the two ends of the inclined plate 4 through an L-shaped plate.

[0059] The cover plate locating pin 10 includes a locating pin sleeve 101 and a pin head 102; a limiting slide groove 103 is provided on the side wall of the locating pin sleeve 101; the pin head 102 is installed in the locating pin sleeve 101 and is connected with a handle 104; the handle 104 is arranged in the limiting slide groove 103 and is connected to the end of the pin head 102; a limiting slot 402 is provided on the support block 401; the limiting slide groove 103 includes an upper limiting slot 105 and a lower limiting slot 106.

[0060] The limiting slide groove 103 is a U-shaped groove; when the handle 104 moves to the upper limiting groove 105 of the limiting slide groove 103, the pin head 102 is pushed out of the positioning pin sleeve 101 by the handle 104, so that the pin head 102 is inserted into the positioning hole of the engine cover 2, realizing the positioning and fixing operation of the bracket 1 and the engine cover 2; when the handle 104 moves to the lower limiting groove 106 of the limiting slide groove 103, the pin head 102 is pulled into the positioning pin sleeve 101 by the handle 104, so that the pin head 102 is inserted into the positioning hole of the engine cover 2 and removed; the cover plate positioning pin 10 adopts a movable positioning pin, which is convenient for removing the bracket 1 from the vehicle body 3 after assembly is completed; the cross-section of the limiting slot 402 is triangular; the edge of the engine cover 2 is clamped in the limiting slot 402, so that the support block 401 realizes the fixation and support of the engine cover 2.

[0061] A handle 11 is provided on the side of the bracket 1 ; a fender 301 is provided on the vehicle body 3 ; the fenders 301 are respectively provided on both sides of the vehicle body 3 ; a hinge is provided between the engine cover 2 and the vehicle body 3 .

[0062] Two handles 11 are fixedly connected to the side of the bracket 1; the handles 11 can facilitate the installation and disassembly operations of the staff, and are easy to repeatedly use and move the bracket 1, effectively improving work efficiency; the bracket 1 is symmetrical on both sides of the vehicle body 3 and the engine cover 2, and is used by two employees, which solves the problem of heavy weight and difficult operation of the integral auxiliary tool.

[0063] A method for installing a positioning and installing device for an automobile engine cover, the method comprising the following steps:

[0064] 1) Install the bracket 1 on the vehicle body 3; snap the card slot 802 onto the fender 301; install the vehicle body locating pin 7 into the mounting hole of the vehicle body 3;

[0065] 2) Install the engine cover 2 on the top of the bracket 1; clamp the edge of the engine cover 2 into the limit slot 402; install the pin head 102 into the positioning hole of the engine cover 2;

[0066] 3) Connect the engine cover 2 and the vehicle body 3 with hinge bolts respectively;

[0067] 4) Remove the pin head 102 from the positioning hole of the engine cover 2, lift the engine cover 2 from the bracket 1; and remove the bracket 1 from the vehicle body 3.

[0068] Step 1) can achieve stable installation of the bracket 1 on the vehicle body 3; step 2) can achieve stable connection of the engine hood 2 on the bracket 1; step 3) connect the engine hood 2 with the adjusted installation position to the vehicle body 3 through a hinge; step 4) first remove the engine hood 2 from the bracket 1, and then remove the bracket 1 from the vehicle body 3 to complete the installation operation.

[0069] Step 2) includes:

[0070] 21) Place the handle 104 in the upper limit slot 105, and the pin head 102 extends from the positioning pin sleeve 101 and is inserted into the positioning hole of the engine cover 2;

[0071] Step 4) includes:

[0072] 41) The handle 104 is placed in the lower limit groove 106 , the pin head 102 is retracted into the positioning pin sleeve 101 , and is removed from the positioning hole of the engine cover 2 .

[0073] Step 21) When the engine hood 2 is installed on the bracket 1, the pin head 102 is extended and inserted into the positioning hole of the engine hood 2 to achieve the fixing operation of the engine hood 2; Step 41) When the engine hood 2 is removed from the bracket 1, the pin head 102 is removed from the positioning hole of the engine hood 2 to achieve the unlocking of the engine hood 2.

[0074] The specific workflow of the present invention is as follows:

[0075] The bracket 1 is mounted on the vehicle body 3; the card slot 802 is clamped on the fender 301; the vehicle body positioning pin 7 is installed in the mounting hole of the vehicle body 3;

[0076] Install the engine cover 2 on the top of the bracket 1; clamp the edge of the engine cover 2 in the limit slot 402; install the pin head 102 in the positioning hole of the engine cover 2;

[0077] Connect the engine cover 2 and the vehicle body 3 with hinge bolts respectively;

[0078] Remove the pin head 102 from the positioning hole of the engine cover 2 , lift the engine cover 2 from the bracket 1 ; and remove the bracket 1 from the vehicle body 3 .

[0079] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A positioning and installation device for an automobile engine cover, characterized in that: It comprises a bracket (1); the bracket (1) is provided with a first positioning structure and a second positioning structure respectively; the first positioning structure is connected to the vehicle body (3); and the second positioning structure is connected to the engine cover (2).

2. A vehicle engine hood positioning and installation device according to claim 1, characterized in that: The bracket (1) comprises an inclined plate (4) and a bottom plate (5); one end of the inclined plate (4) is connected to the bottom plate (5); a support plate (6) is provided between the other end of the inclined plate (4) and the bottom plate (5); the first positioning structure is provided on the bottom plate (5); and the second positioning structure is provided on the inclined plate (4).

3. A positioning and installation device for an automobile engine cover according to claim 2, characterized in that: The first positioning structure comprises a vehicle body positioning pin (7); the vehicle body positioning pin (7) is connected to the bottom of the base plate (5); and the two ends of the base plate (5) are respectively provided with a first retaining edge (8) and a second retaining edge (801).

4. A positioning and mounting device for an automobile engine cover according to claim 3, characterized in that: A first mounting plate (501) is provided between the base plate (5) and the support plate (6); the first retaining edge (8) is mounted on the first mounting plate (501); a second mounting plate (502) is provided between the base plate (5) and the inclined plate (4); the second retaining edge (801) is mounted on the second mounting plate (502); and a clamping groove (802) is provided on both the first retaining edge (8) and the second retaining edge (801).

5. A positioning and mounting device for an automobile engine hood according to any one of claims 3 to 4, characterized in that: A first support block (9) and a second support block (901) are respectively provided on the bottom plate (5); the first support block (9) and the second support block (901) are respectively provided at two ends of the bottom plate (5).

6. A positioning and mounting device for an automobile engine cover according to claim 5, characterized in that: The second positioning structure comprises a cover plate positioning pin (10); the cover plate positioning pin (10) is arranged at the end of the inclined plate (4) close to the support plate (6); a support block (401) is provided on the inclined plate (4); the support blocks (401) are respectively arranged at both ends of the inclined plate (4).

7. A positioning and mounting device for an automobile engine cover according to claim 6, characterized in that: The cover plate locating pin (10) comprises a locating pin sleeve (101) and a pin head (102); a limiting slide groove (103) is provided on the side wall of the locating pin sleeve (101); the pin head (102) is installed in the locating pin sleeve (101) and is connected to a handle (104); the handle (104) is arranged in the limiting slide groove (103) and is connected to the end of the pin head (102); a limiting slot (402) is provided on the support block (401); the limiting slide groove (103) comprises an upper limiting slot (105) and a lower limiting slot (106).

8. A vehicle engine hood positioning and installation device according to any one of claims 6-7, characterized in that: A handle (11) is provided on the side of the bracket (1); a fender (301) is provided on the vehicle body (3); the fenders (301) are respectively provided on both sides of the vehicle body (3); and a hinge is provided between the engine cover (2) and the vehicle body (3).

9. A method for installing the automobile engine hood positioning and installation device according to any one of claims 1 to 8, characterized in that: The installation method comprises the following steps: 1) installing the bracket (1) on the vehicle body (3); clamping the clamping slot (802) on the fender (301); installing the vehicle body positioning pin (7) in the mounting hole of the vehicle body (3); 2) installing the engine cover (2) on the top of the bracket (1); snapping the edge of the engine cover (2) into the limit slot (402); installing the pin head (102) into the positioning hole of the engine cover (2); 3) connecting the engine cover (2) and the vehicle body (3) with the hinge bolts respectively; 4) removing the pin head (102) from the positioning hole of the engine cover (2), lifting the engine cover (2) from the bracket (1); and removing the bracket (1) from the vehicle body (3).

10. The installation method according to claim 9, characterized in that: The step 2) comprises: 21) placing the handle (104) in the upper limit groove (105), the pin head (102) extending from the positioning pin sleeve (101) and inserted into the positioning hole of the engine cover (2); The step 4) comprises: 41) The handle (104) is placed in the lower limit groove (106), and the pin head (102) is retracted into the positioning pin sleeve (101) and removed from the positioning hole of the engine cover (2).

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