Rear door hinge tool for positioning and installing clearance fit hinge of automobile rear door

Abstract

The invention discloses a rear door hinge tool used for positioning and installing an automobile rear door clearance fit hinge. The rear door hinge tool comprises a positioning jig, an upper hinge assembling jig and a lower hinge assembling jig. The positioning jig is used for positioning and assembling with a rear door metal plate, the upper hinge assembling jig is used for clamping and positioning an upper hinge to an assembling state, the lower hinge assembling jig is used for clamping and positioning a lower hinge to an assembling state, and the upper hinge and the lower hinge can be simultaneously positioned on an upper hinge mounting part and a lower hinge mounting part of the rear door metal plate; and a worker can quickly mount the upper hinge and the lower hinge on the rear door metal plate, so that the working efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile rear door hinge installation, and in particular to a rear door hinge tool for positioning and installing a clearance-matched hinge of an automobile rear door. Background Art

[0002] In the automobile production process, before the automobile rear door is assembled to the body sheet metal, the rear door upper hinge and the rear door lower hinge need to be assembled to the automobile rear door first. The rear door upper hinge and the rear door lower hinge are clearance fit hinges. In the prior art, the rear door upper hinge and the rear door lower hinge need to be installed separately, and the rear door upper hinge is manually positioned to the upper hinge installation area of ​​the automobile rear door, and then the rear door lower hinge is manually positioned to the lower hinge installation area of ​​the automobile rear door, which is inefficient.

[0003] In view of this, it is necessary to provide a rear door hinge tool for positioning and installing a clearance-matched hinge for a rear door of an automobile. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and to provide a rear door hinge tooling for positioning and installing a clearance-matching hinge for a rear door of an automobile, which can simultaneously position the upper hinge and the lower hinge on the upper hinge mounting portion and the lower hinge mounting portion of the rear door sheet metal, so that the staff can quickly install the upper hinge and the lower hinge on the rear door sheet metal, thereby greatly improving work efficiency.

[0005] The technical solution of the present invention provides a rear door hinge tool for positioning and installing a clearance-matched hinge of a rear door of an automobile, comprising a positioning jig, an upper hinge assembly jig and a lower hinge assembly jig;

[0006] The positioning fixture comprises a main positioning mechanism for positioning with a main positioning hole of the rear door sheet metal and a secondary positioning pin for positioning with a secondary positioning hole of the rear door sheet metal;

[0007] The upper hinge assembly jig is arranged at the upper end of the positioning jig, and the upper hinge assembly jig is used to clamp and position the upper hinge to an assembly state;

[0008] The lower hinge assembly jig is arranged at the lower end of the positioning jig, and the lower hinge assembly jig is used to clamp and position the lower hinge to an assembly state.

[0009] In one of the optional technical solutions, the upper hinge assembly fixture includes a first bracket connected to the positioning fixture and having a first opening, a first base plate connected to the front side of the first bracket and having a first bolt positioning groove and a second bolt positioning groove, a first lug clamping plate connected to the first base plate and located above the first bolt positioning groove, a second lug clamping plate connected to the first base plate and located above the second bolt positioning groove, and a positioning pin mounting arm connected to the first base plate and having an upper hinge bottom plate positioning pin;

[0010] The notches of the first bolt positioning groove and the second bolt positioning groove are respectively oriented toward the first opening at the rear, and are used to position the first bolt and the second bolt of the upper hinge respectively;

[0011] A first lug positioning groove is formed between the first lug clamping plate and the first base plate for positioning the first lug of the upper hinge; a second lug positioning groove is formed between the second lug clamping plate and the first base plate for positioning the second lug of the upper hinge;

[0012] The positioning pin installation arm is located above the first lug clamping plate, and the upper hinge base plate positioning pin extends toward the first opening side to support the upper hinge base plate of the upper hinge.

[0013] In one of the optional technical solutions, the first lug clamp includes a clamp upright plate and a clamp top plate, the clamp upright plate is located at the front side of the first bolt positioning groove and connected to the first base plate, and the clamp top plate is connected to the upper end of the clamp upright plate and extends toward the first opening side;

[0014] The clamping plate vertical plate is provided with a vertical plate opening for avoiding the end of the first lug;

[0015] The clamping plate top plate is provided with a top plate avoidance groove for avoiding the head of the first bolt.

[0016] In one of the optional technical solutions, the upper hinge base plate locating pin is adjustably connected to the locating pin mounting arm, and the upper hinge base plate locating pin can be adjusted along the axial direction.

[0017] In one of the optional technical solutions, the lower hinge assembly jig includes a second bracket connected to the positioning jig and having a second opening, a second base plate connected to the lower part of the second opening and extending forward, an extension arm clamp provided on the second base plate, a locking mechanism connected to the second base plate and used to tighten the extension arm of the lower hinge, and a lower hinge bottom plate positioning pin connected to the second bracket and located above the second opening;

[0018] An extension arm positioning groove is formed between the extension arm clamping plate and the second base plate, for positioning the extension arm;

[0019] The locking mechanism is located below one of the extension arm clamps and is used to tighten the extension arm upwards;

[0020] The lower hinge bottom plate positioning pin extends backwards to support the lower hinge bottom plate of the lower hinge.

[0021] In one of the optional technical solutions, the extension arm clamp is adjustably connected to the second base plate, and the extension arm clamp can adjust the height relative to the second base plate.

[0022] In one of the optional technical solutions, the lower hinge base plate locating pin is adjustably connected to the second bracket, and the lower hinge base plate locating pin can be adjusted along the axial direction.

[0023] In one of the optional technical solutions, the locking mechanism includes a handle and a screw connected to the handle, and the screw is threadedly connected to the second substrate.

[0024] In one of the optional technical solutions, the positioning fixture includes a main bracket with a third opening, the third opening is arranged at the upper middle part of the main bracket, and the auxiliary positioning pin is arranged at the rear bottom of the main bracket;

[0025] The main positioning mechanism includes a support seat connected to the front side of the main bracket, a mounting seat connected to the support seat and located at the front side of the main bracket, a slider slidably connected to the mounting seat, a clamping arm assembly connected to the slider and the front side of the mounting seat and passing through the third opening, and a driving part connected to the support seat and used to drive the slider to move forward and backward;

[0026] Under the action of the driving part, the clamping arm assembly can pass through the main positioning hole and can clamp the hole wall of the main positioning hole between the clamping arm assembly and the main bracket.

[0027] In one of the optional technical solutions, two mounting seats are provided on the support seat at intervals along the width direction, and the sliding block is slidably arranged between the two mounting seats;

[0028] The clamp arm assembly comprises two swing clamp arms arranged opposite to each other, the front end of each swing clamp arm is hinged to one of the mounting seats, and the rear end of each swing clamp arm is hinged to the slider via a hinge arm;

[0029] A clamping block extending forward is provided on the outer side of the rear end of each swing clamping arm for pressing the hole wall of the main positioning hole.

[0030] The above technical solution has the following beneficial effects:

[0031] The present invention provides a rear door hinge tool for positioning and installing a clearance-matching hinge for a rear door of an automobile, comprising a positioning jig, an upper hinge assembly jig and a lower hinge assembly jig. The positioning jig is used for positioning and assembling with the rear door sheet metal, the upper hinge assembly jig is used for clamping and positioning the upper hinge to an assembly state, and the lower hinge assembly jig is used for clamping and positioning the lower hinge to an assembly state, which can simultaneously position the upper hinge and the lower hinge on the upper hinge mounting part and the lower hinge mounting part of the rear door sheet metal, so that the staff can quickly install the upper hinge and the lower hinge on the rear door sheet metal, which greatly improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The disclosure of the present invention will become more easily understood with reference to the accompanying drawings. It should be understood that these drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In the drawings:

[0033] Figure 1 A schematic diagram of the structure for installing the hinge part of the rear door sheet metal;

[0034] Figure 2 is a three-dimensional diagram of the upper hinge;

[0035] Figure 3 is a three-dimensional diagram of the lower hinge;

[0036] Figure 4 A three-dimensional diagram of the upper and lower hinges installed on the rear door sheet metal;

[0037] Figure 5 A three-dimensional diagram of a rear door hinge tool provided by an embodiment of the present invention;

[0038] Figure 6 A schematic diagram of a rear door hinge tool clamping an upper hinge and a lower hinge provided by an embodiment of the present invention;

[0039] Figure 7 for Figure 6 Schematic diagram from another perspective;

[0040] Figure 8 A schematic diagram of a rear door hinge tool provided in an embodiment of the present invention positioning an upper hinge and a lower hinge on a rear door sheet metal;

[0041] Fig. 9 for Figure 8 Schematic diagram from another perspective;

[0042] Fig.10 for Fig. 9 A magnified schematic diagram of part A;

[0043] Fig.11A three-dimensional image of the upper hinge assembly jig at one viewing angle;

[0044] Fig.12 A three-dimensional image of the upper hinge assembly jig from another perspective;

[0045] Fig.13 A three-dimensional image of the lower hinge assembly jig at one viewing angle;

[0046] Fig.14 A three-dimensional image of the lower hinge assembly jig from another perspective;

[0047] Fig.15 A three-dimensional image of the positioning fixture at one viewing angle;

[0048] Fig.16 A three-dimensional image of the positioning fixture from another perspective;

[0049] Fig.17 A three-dimensional image of the positioning jig after the main bracket is removed;

[0050] Fig.18 for Fig.17 Top view of the . DETAILED DESCRIPTION

[0051] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. The same components are represented by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0052] like Figure 1-4 As shown, the rear door sheet metal 1 of the automobile includes a main positioning portion 11, a secondary positioning portion 12, an upper hinge mounting portion 13 and a lower hinge mounting portion 14. The main positioning portion 11, the secondary positioning portion 12, the upper hinge mounting portion 13 and the lower hinge mounting portion 14 are generally configured as a flat plate or a platform for positioning and installation. The main positioning portion 11 is close to the edge of the rear door sheet metal 1, and the secondary positioning portion 12 is located on the inner side of the main positioning portion 11, and the two are connected by a structural step. The upper hinge mounting portion 13 is close to the edge of the rear door sheet metal 1 and is located above the main positioning portion 11; the lower hinge mounting portion 14 is close to the edge of the rear door sheet metal 1 and is located below the main positioning portion 11.

[0053] The main positioning portion 11 is provided with a main positioning hole 111, which is a rectangular hole or a waist-shaped hole. The auxiliary positioning portion 12 is provided with two auxiliary positioning holes 121 at intervals for the positioning pin to pass through. The upper hinge mounting portion 13 is provided with a plurality of first connection holes 131, which are used to align with the through holes of the upper hinge bottom plate 21 for bolt connection. The lower hinge mounting portion 14 is provided with a plurality of second connection holes 141, which are used to align with the through holes of the lower hinge bottom plate 31 for bolt connection.

[0054] The upper hinge 2 includes an upper hinge base plate 21 and an upper hinge arm 22. One end of the upper hinge arm 22 is hinged to the upper hinge base plate 21, and the other end thereof is provided with a first lug 23 and a second lug 24. The first lug 23 protrudes and extends toward the front of the upper hinge arm 22, and a first bolt 25 is provided on the first lug 23. The second lug 24 protrudes and extends toward the side of the upper hinge arm 22, and a second bolt 26 is provided on the second lug 24. The first bolt 25 and the second bolt 26 are used for connecting the body sheet metal.

[0055] The front side of the upper hinge arm 22 refers to the surface of the upper hinge arm 22 facing away from the upper hinge base plate 21 when the upper hinge 2 is closed.

[0056] The lower hinge 3 includes a lower hinge bottom plate 31 and a lower hinge arm 32. One end of the lower hinge arm 32 is hinged to the lower hinge bottom plate 31, and the other end is provided with an extension arm 33. The extension arm 33 protrudes and extends toward the front of the lower hinge arm 32. The extension arm 33 is provided with a plurality of connection holes for positioning and mounting with bolts on the body sheet metal.

[0057] The front side of the lower hinge arm 32 refers to the surface of the lower hinge arm 32 facing away from the lower hinge base plate 31 when the lower hinge 3 is closed.

[0058] like Figure 1-10 As shown, a rear door hinge tool for positioning and installing a rear door hinge of an automobile provided by an embodiment of the present invention includes a positioning fixture 4, an upper hinge assembly fixture 5 and a lower hinge assembly fixture 6.

[0059] The positioning fixture 4 includes a main positioning mechanism 42 for positioning with the main positioning hole 111 of the rear door sheet metal 1 and a secondary positioning pin 43 for positioning with the secondary positioning hole 121 of the rear door sheet metal 1 .

[0060] The upper hinge assembly jig 5 is disposed at the upper end of the positioning jig 4 , and the upper hinge assembly jig 5 is used to clamp and position the upper hinge 2 to an assembly state.

[0061] The lower hinge assembly jig 6 is disposed at the lower end of the positioning jig 4 , and the lower hinge assembly jig 6 is used to clamp and position the lower hinge 3 to an assembly state.

[0062] The present invention provides a rear door hinge tool for positioning and installing a rear door hinge of an automobile, comprising a positioning jig 4, an upper hinge assembly jig 5 and a lower hinge assembly jig 6.

[0063] The positioning jig 4 is used for positioning and assembling with the rear door sheet metal 1. The positioning jig 4 includes a main positioning mechanism 42 and a secondary positioning pin 43. The main positioning mechanism 42 is used for positioning and matching with the main positioning hole 111 of the rear door sheet metal 1, and the secondary positioning pin 43 is used for positioning and matching with the secondary positioning hole 121 of the rear door sheet metal 1. The number of the secondary positioning pins 43 is equal to the number of the secondary positioning holes 121, and preferably two secondary positioning pins 43 and secondary positioning holes 121 are used. After the rear door hinge tool is moved into place, the part of the positioning jig 4 with the main positioning mechanism 42 is pressed on the main positioning part 11, and the mounting structure of the secondary positioning pin 43 is pressed on the secondary positioning part 12. Before the rear door hinge tool is moved into place, the secondary positioning pin 43 is first aligned with the secondary positioning hole 121, and then continues to move toward the side of the rear door sheet metal 1. The secondary positioning pin 43 passes through the secondary positioning hole 121 so that the rear door hinge tool can only move along the axis of the secondary positioning hole 121, and cannot move in the radial direction of the secondary positioning hole 121. Then operate the main positioning mechanism 42 so that the claws, clamping arms, etc. of the main positioning mechanism 42 pass through the main positioning hole 111 and clamp the hole wall of the main positioning hole 111 to limit the movement of the door hinge tooling along the axis of the secondary positioning hole 121 so as to assemble the door hinge tooling to the rear door sheet metal 1.

[0064] The upper hinge assembly jig 5 is used to clamp and position the upper hinge 2 to the assembly state. When the upper hinge 2 is in the assembly state, the upper hinge base plate 21 is roughly parallel to the upper hinge arm 22, and the first lug 23 is roughly perpendicular to the upper hinge base plate 21. The first lug 23 and / or the second lug 24 and / or the first bolt 25 and / or the second bolt 26 are clamped by the first part of the upper hinge assembly jig 5, and the upper hinge base plate 21 is supported by the second part of the upper hinge assembly jig 5, so that the upper hinge base plate 21 is attached to the upper hinge mounting portion 13, and then the upper hinge base plate 21 is fixed to the upper hinge mounting portion 13 by bolts. Since the hinge of the upper hinge base plate 21 and the upper hinge arm 22 is hinged with a certain damping, when the second part of the upper hinge assembly jig 5 supports the upper hinge base plate 21, the upper hinge base plate 21 is basically maintained in a specified state.

[0065] The lower hinge assembly jig 6 is used to clamp and position the lower hinge 3 to the assembly state. When the lower hinge 3 is in the assembly state, the lower hinge bottom plate 31 is roughly parallel to the lower hinge arm 32, and the extension arm 33 is roughly perpendicular to the lower hinge bottom plate 31. The extension arm 33 is clamped by the first part of the lower hinge assembly jig 6, and the lower hinge bottom plate 31 is supported by the second part of the lower hinge assembly jig 6, so that the lower hinge bottom plate 31 is attached to the lower hinge mounting portion 14, and then the lower hinge bottom plate 31 is fixed to the lower hinge mounting portion 14 by bolts. Since the hinge of the lower hinge bottom plate 31 and the lower hinge arm 32 is hinged with a certain damping, when the second part of the lower hinge assembly jig 6 supports the lower hinge bottom plate 31, the lower hinge bottom plate 31 is basically maintained in a specified state.

[0066] To sum up, the rear door hinge tooling provided by the present invention utilizes the positioning jig 4 to position the rear door sheet metal 1, utilizes the upper hinge assembly jig 5 to clamp and position the upper hinge 2, and utilizes the lower hinge assembly jig 6 to clamp and position the lower hinge 3. It can simultaneously position the upper hinge 2 and the lower hinge 3 on the upper hinge mounting portion 13 and the lower hinge mounting portion 14 of the rear door sheet metal 1. The staff can quickly install the upper hinge 2 and the lower hinge 3 on the rear door sheet metal 1, which greatly improves the work efficiency.

[0067] In one embodiment, if Figure 5-7 and Figure 11-12 As shown, the upper hinge assembly fixture 5 includes a first bracket 51 connected to the positioning fixture 4 and having a first opening 511, a first base plate 52 connected to the front side of the first bracket 51 and having a first bolt positioning groove 521 and a second bolt positioning groove 522, a first lug clamping plate 53 connected to the first base plate 52 and located above the first bolt positioning groove 521, a second lug clamping plate 54 connected to the first base plate 52 and located above the second bolt positioning groove 522, and a positioning pin mounting arm 57 connected to the first base plate 52 and having an upper hinge base plate positioning pin 58.

[0068] The notches of the first bolt positioning groove 521 and the second bolt positioning groove 522 face the first opening 511 at the rear, respectively, and are used to position the first bolt 25 and the second bolt 26 of the upper hinge 2, respectively.

[0069] A first lug positioning groove 55 is formed between the first lug clamping plate 53 and the first base plate 52 for positioning the first lug 23 of the upper hinge 2. A second lug positioning groove 56 is formed between the second lug clamping plate 54 and the first base plate 52 for positioning the second lug 24 of the upper hinge 2.

[0070] The positioning pin installation arm 57 is located above the first lug clamping plate 53 , and the upper hinge base plate positioning pin 58 extends toward the first opening 511 side to support the upper hinge base plate 21 of the upper hinge 2 .

[0071] In this embodiment, the upper hinge assembly fixture 5 includes a first bracket 51 , a first base plate 52 , a first lug clamping plate 53 , a second lug clamping plate 54 , a positioning pin installation arm 57 and an upper hinge base plate positioning pin 58 .

[0072] One end of the first bracket 51 is connected to the positioning fixture 4. The first bracket 51 has a first opening 511 for avoiding the upper hinge arm 22, the first lug 23, the second lug 24, the first bolt 25 and the second bolt 26. The opening size of the first opening 511 can be adjusted as needed.

[0073] The first base plate 52 is connected to the front side of the first bracket 51, and the two are arranged roughly vertically. If the first bracket 51 is called a vertical bracket, the first base plate 52 can be called a flat plate. A portion of the first base plate 52 faces the first opening 511, and a first bolt positioning groove 521 and a second bolt positioning groove 522 are provided on the first base plate 52. The notches of the first bolt positioning groove 521 and the second bolt positioning groove 522 are both facing the first opening 511 at the rear side. The first bolt 25 and the second bolt 26 can enter the first bolt positioning groove 521 and the second bolt positioning groove 522 through the first opening 511 for positioning.

[0074] The first lug clamping plate 53 is L-shaped and connected to the first base plate 52. A portion of the first lug clamping plate 53 is located above the first bolt positioning groove 521. A first lug positioning groove 55 is formed between the first lug clamping plate 53 and the first base plate 52. The first lug 23 carries the first bolt 25 through the first opening 511 to the front side of the first bracket, and the first lug 23 is inserted into the first lug positioning groove 55, and the first bolt 25 is inserted into the first bolt positioning groove 521.

[0075] The second lug clamping plate 54 is L-shaped, connected to the first base plate 52 and located at the oblique rear side of the first lug clamping plate 53. A portion of the second lug clamping plate 54 is located above the second bolt positioning groove 522, and a second lug positioning groove 56 is formed between the second lug clamping plate 54 and the first base plate 52. The second lug 24 carries the second bolt 26 through the first opening 511 to the front side of the first bracket, and the second lug 24 is inserted into the second lug positioning groove 56, and the second bolt 26 is inserted into the second bolt positioning groove 522.

[0076] The locating pin mounting arm 57 is L-shaped, with its vertical section connected to the first base plate 52 and its hanging section located above the first lug clamping plate 53. The upper hinge base plate locating pin 58 is connected to the rear side of the hanging section of the locating pin mounting arm 57 and extends toward the first opening 511 at the rear side. Preferably, two upper hinge base plate locating pins 58 are provided at intervals on the hanging section. The upper hinge base plate locating pin 58 is used to press against the upper hinge base plate 21 to keep it at a specified angle or position. The length of the upper hinge base plate locating pin 58 can be pre-adjusted or set as needed.

[0077] When installing the upper hinge 2 to the upper hinge assembly jig 5, fold the upper hinge base plate 21 to be approximately parallel to the first bracket 51, align the first lug 23 and the second lug 24 with the first lug positioning groove 55 and the second lug positioning groove 56 respectively, and then push the upper hinge base plate 21 so that the first lug 23 and the second lug 24 are respectively inserted into the first lug positioning groove 55 and the second lug positioning groove 56, and at the same time, the first bolt 25 and the second bolt 26 are respectively inserted into the first bolt positioning groove 521 and the second bolt positioning groove 522. Continue to act on the upper hinge base plate 21 until it is supported by the upper hinge base plate positioning pin 58, which indicates that the upper hinge 2 is installed in place on the upper hinge assembly jig 5 and the upper hinge 2 is in a state to be assembled. After the mobile rear door hinge tooling is positioned with the rear door sheet metal 1, the upper hinge base plate 21 can be attached to the upper hinge mounting portion 13 for smooth screw connection.

[0078] In the above embodiment, the first part of the upper hinge assembly fixture 5 includes a first base plate 52 having a first bolt positioning groove 521, a second bolt positioning groove 522, a first lug clamping plate 53 having a first lug positioning groove 55, and a second lug clamping plate 54 having a second bolt positioning groove 522.

[0079] The second part of the upper hinge assembly jig 5 includes a locating pin mounting arm 57 having an upper hinge base plate locating pin 58 .

[0080] In one embodiment, if Figure 5-7 and Figure 11-12 As shown, the first lug clamp 53 includes a clamp upright plate 531 and a clamp top plate 532. The clamp upright plate 531 is located at the front side of the first bolt positioning groove 521 and is connected to the first base plate 52. The clamp top plate 532 is connected to the upper end of the clamp upright plate 531 and extends toward the first opening 511.

[0081] The clamping plate vertical plate 531 is provided with a vertical plate opening 5311 for avoiding the end of the first lug 23 .

[0082] A top plate avoidance groove 5321 for avoiding the head of the first bolt 25 is provided on the clamp top plate 532 .

[0083] In this embodiment, the first lug clamping plate 53 is L-shaped, and includes an integrally formed clamping plate vertical plate 531 and a clamping plate top plate 532. The lower end of the clamping plate vertical plate 531 is connected to the first base plate 52, and the clamping plate vertical plate 531 is located in front of the first bolt positioning groove 521. The clamping plate top plate 532 is connected to the upper end of the clamping plate vertical plate 531 and extends backward, so as to be located above the first bolt positioning groove 521. The first lug positioning groove 55 is formed between the clamping plate top plate 532 and the first base plate 52.

[0084] In order to avoid the end of the first lug 23 , a vertical plate opening 5311 is provided on the clamping plate vertical plate 531 .

[0085] In order to avoid the end or head of the first bolt 25 , a top plate avoidance groove 5321 is provided on the clamp top plate 532 , with the groove facing backwards.

[0086] In one embodiment, the second lug clamping plate 54 adopts a design similar to that of the first lug clamping plate 53, and also includes an integrally formed clamping plate vertical plate and a clamping plate top plate. For the sake of distinction, the clamping plate vertical plate and the clamping plate top plate included in the second lug clamping plate 54 are referred to as the second clamping plate vertical plate and the second clamping plate top plate. The lower end of the second clamping plate vertical plate is connected to the first base plate, and the second clamping plate vertical plate is located in front of the second bolt positioning groove 522. The second clamping plate top plate is connected to the upper end of the second clamping plate vertical plate and extends backward, so as to be located above the second bolt positioning groove 522. The second lug positioning groove 56 is formed between the second clamping plate top plate and the first base plate 52.

[0087] In order to avoid the end of the second lug 24, a second vertical plate opening is provided on the second clamping plate vertical plate.

[0088] In order to avoid the end or head of the second bolt 26, a second top plate avoidance groove is provided on the top plate of the second clamping plate, and the groove faces backwards.

[0089] In one embodiment, if Figure 11-12 As shown, the upper hinge base plate locating pin 58 is adjustably connected to the locating pin mounting arm 57, and the upper hinge base plate locating pin 58 can be adjusted along the axial direction.

[0090] Specifically, the upper hinge bottom plate locating pin 58 is connected to the locating pin mounting arm 57 by threads, an internal thread hole is provided on the hanging section of the locating pin mounting arm 57, and an external thread is provided on the upper hinge bottom plate locating pin 58. The upper hinge bottom plate locating pin 58 passes through the internal thread hole, and the two are threadedly connected, so that the upper hinge bottom plate locating pin 58 can be adjusted along the axial direction to adjust the length against the upper hinge bottom plate 21, thereby adjusting the angle or posture of the upper hinge bottom plate 21 when it is in the assembled state.

[0091] In one embodiment, if Figure 5-7 and Figure 13-14 As shown, the lower hinge assembly fixture 6 includes a second bracket 61 connected to the positioning fixture 4 and having a second opening 611, a second base plate 62 connected to the lower part of the second opening 611 and extending forward, an extension arm clamp 63 arranged on the second base plate 62, a locking mechanism 64 connected to the second base plate 62 and used to tighten the extension arm 33 of the lower hinge 3, and a lower hinge bottom plate positioning pin 65 connected to the second bracket 61 and located above the second opening 611.

[0092] An extension arm positioning groove 66 is formed between the extension arm clamping plate 63 and the second base plate 62 for positioning the extension arm 33 .

[0093] The locking mechanism 64 is located below an extension arm clamping plate 63 and is used to tighten the extension arm 33 upward.

[0094] The lower hinge bottom plate positioning pin 65 extends backwards to support the lower hinge bottom plate 31 of the lower hinge 3 .

[0095] In this embodiment, the lower hinge assembly fixture 6 includes a second bracket 61 , a second base plate 62 , an extension arm clamp 63 , a locking mechanism 64 and a lower hinge bottom plate positioning pin 65 .

[0096] One end of the second bracket 61 is connected to the positioning fixture 4. The second bracket 61 has a second opening 611 for avoiding the lower hinge arm 32 and the extension arm 33. The opening size of the second opening 611 can be adjusted as needed.

[0097] The second substrate 62 is connected to the lower edge of the second opening 611 and extends toward the front side of the second bracket 61. The second substrate 62 is arranged substantially vertically with the second bracket 61. If the second bracket 61 is called a vertical bracket, the second substrate 62 can be called a flat plate.

[0098] The extension arm clamping plate 63 is an inverted U-shaped structure, which is connected to the top of the second base plate 62, so that an extension arm positioning groove 66 is formed between the extension arm clamping plate 63 and the second base plate 62. The extension arm 33 can reach the front side of the second bracket 61 through the second opening 611 and be inserted into the extension arm positioning groove 66.

[0099] The locking mechanism 64 is disposed at the bottom of the second base plate 62 , and its pressing portion is located in the extension arm positioning groove 66 and aligned with an extension arm clamp 63 , and the extension arm 33 is pressed against by the pressing portion, thereby positioning the extension arm 33 in the extension arm positioning groove 66 .

[0100] The lower hinge bottom plate positioning pin 65 is disposed at the rear side of the upper edge of the second opening 611 and extends backward to support the lower hinge bottom plate 31. Preferably, two lower hinge bottom plate positioning pins 65 are disposed at intervals at the upper edge of the second opening 611.

[0101] When installing the lower hinge 3 to the lower hinge assembly jig 6, fold the lower hinge base plate 31 to be approximately parallel to the second bracket 61, align the extension arm 33 with the extension arm positioning groove 66, and then push the lower hinge base plate 31 so that the extension arm 33 is inserted into the extension arm positioning groove 66, and then operate the locking mechanism 64 to lock the extension arm 33. Continue to act on the lower hinge base plate 31 until it is supported by the lower hinge base plate positioning pin 65, indicating that the lower hinge 3 is installed in place on the lower hinge assembly jig 6 and the lower hinge 3 is ready for assembly. After the mobile rear door hinge fixture is positioned with the rear door sheet metal 1, the lower hinge base plate 31 can be attached to the lower hinge mounting portion 14 for smooth screw connection.

[0102] In the above embodiment, the first part of the lower hinge assembly fixture 6 includes a second base plate 62 having an extension arm clamp 63 and a locking mechanism 64 .

[0103] The second part of the lower hinge assembly jig 6 includes an upper hinge base plate locating pin 58 .

[0104] In one embodiment, if Figure 13-14 As shown, the extension arm clamping plate 63 is adjustably connected to the second base plate 62 , and the extension arm clamping plate 63 can be adjusted in height relative to the second base plate 62 to adapt to the extension arms 33 of different thicknesses.

[0105] Specifically, the extension arm 33 is connected to the second base plate 62 through an adjusting bolt. After the height of the extension arm 33 is adjusted, a spacer may be used to fill the gap between the extension arm 33 and the second base plate 62 .

[0106] In one embodiment, if Figure 13-14 As shown, the lower hinge base plate positioning pin 65 is adjustably connected to the second bracket 61, and the lower hinge base plate positioning pin 65 can be adjusted along the axial direction.

[0107] Specifically, the lower hinge bottom plate locating pin 65 is connected to the second bracket 61 by threads, an internal thread hole is provided on the second bracket 61, and an external thread is provided on the lower hinge bottom plate locating pin 65. The lower hinge bottom plate locating pin 65 passes through the internal thread hole, and the two are threadedly connected, so that the lower hinge bottom plate locating pin 65 can be adjusted along the axial direction to adjust the length against the lower hinge bottom plate 31, thereby adjusting the angle or posture of the lower hinge bottom plate 31 when it is in the assembled state.

[0108] In one embodiment, if Figure 13-14 As shown, the locking mechanism 64 includes a handle 641 and a screw rod 642 connected to the handle 641 , and the screw rod 642 is threadedly connected to the second base plate 62 .

[0109] In this embodiment, the locking mechanism 64 adopts a locking bolt structure, which includes a handle 641 and a screw rod 642. An internal threaded hole is provided on the second base plate 62, which is located below an extension arm clamp plate 63. The handle 641 is located below the second base plate 62, and the screw rod 642 passes through the internal threaded hole and extends into the extension arm positioning groove 66, so as to tighten or loosen the extension arm 33 in the extension arm positioning groove 66.

[0110] In one embodiment, if Figure 5-10 and Figure 15-18 As shown, the positioning fixture 4 includes a main bracket 41 having a third opening 411 , the third opening 411 is disposed at the middle and upper portion of the main bracket 41 , and the auxiliary positioning pin 43 is disposed at the rear bottom of the main bracket 41 .

[0111] The main positioning mechanism 42 includes a support seat 421 connected to the front side of the main bracket 41, a mounting seat 422 connected to the support seat 421 and located on the front side of the main bracket 41, a slider 423 slidably connected to the mounting seat 422, a clamping arm assembly 424 connected to the slider 423 and the front side of the mounting seat 422 and passing through the third opening 411, and a driving part 425 connected to the support seat 421 and used to drive the slider 423 to move forward and backward.

[0112] Under the action of the driving part 425 , the clamping arm assembly 424 can pass through the main positioning hole 111 and can clamp the hole wall of the main positioning hole 111 between the clamping arm assembly 424 and the main bracket 41 .

[0113] In this embodiment, the positioning fixture 4 includes a main bracket 41 having a third opening 411, and the main positioning mechanism 42 and the auxiliary positioning pin 43 are respectively connected to the main bracket 41. The third opening 411 is provided at the middle and upper part of the main bracket 41, and the auxiliary positioning pin 43 is provided at the rear bottom of the main bracket 41. The main body of the main positioning mechanism 42 is provided at the front side of the main bracket 41.

[0114] The main positioning mechanism 42 includes a support seat 421, a mounting seat 422, a slider 423, a clamping arm assembly 424 and a driving unit 425. The support seat 421 is connected to the front side of the main bracket 41, and the two are arranged roughly vertically. If the main bracket 41 is called a vertical bracket, the support seat 421 is a horizontal support seat. A mounting seat 422 is provided at one end of the support seat 421 close to the main bracket 41, and the mounting seat 422 has a guide notch. The slider 423 is slidably arranged in the guide notch, and the clamping arm assembly 424 is connected to the rear end of the slider 423. The driving unit 425 is installed on the support seat 421 and connected to the front end of the slider 423. The driving unit 425 can adopt a linear driving mechanism such as a piston, a motor screw, etc., which is used to drive the slider 423 to reciprocate along the front and rear directions. The clamping arm assembly 424 can shrink and expand, and it passes through the third opening 411. The clamp arm assembly 424 in the retracted state can pass through the main positioning hole 111. After the clamp arm assembly 424 partially passes through the main positioning hole 111, the clamp arm assembly 424 is put into the expanded state, thereby cooperating with the main bracket 41 to clamp the hole wall of the main positioning hole 111.

[0115] In normal state, the clamp arm assembly 424 is in an open state.

[0116] When the slider 423 is driven forward by the driving portion 425 , the clamping arm assembly 424 is in a retracted state.

[0117] When the driving part 425 drives the sliding block 423 to return to the rear, the clamping arm assembly 424 is in the expanded state.

[0118] When positioning the positioning fixture 4 on the rear door sheet metal 1, the slider 423 is pulled forward by operating the driving unit 425, so that the clamping arm assembly 424 is in a retracted state, thereby passing through the main positioning hole 111, and then the slider 423 is moved backward and reset by the driving unit 425, so that the clamping arm assembly 424 is in an open state, thereby clamping the hole wall of the main positioning hole 111 between the clamping arm assembly 424 and the main bracket 41, limiting the forward and backward movement of the positioning fixture 4.

[0119] In one embodiment, if Figure 15-18 As shown, two mounting seats 422 are provided on the support seat 421 at intervals along the width direction, and the slider 423 is slidably disposed between the two mounting seats 422 .

[0120] The clamp arm assembly 424 includes two oppositely arranged swing clamp arms 4241 , the front end of each swing clamp arm 4241 is hinged to a mounting seat 422 , and the rear end of each swing clamp arm 4241 is hinged to a slider 423 via a hinged arm 4242 .

[0121] A clamping block 4242 a extending forward is provided on the outer side of the rear end of each swing clamping arm 4241 for pressing the hole wall of the main positioning hole 111 .

[0122] In this embodiment, two mounting seats 422 are provided on the support seat 421 at intervals along the width direction, where the width direction refers to the direction from the lower hinge assembly fixture 6 to the upper hinge assembly fixture 5 , and a guide notch is formed between the two support seats 421 .

[0123] The clamp arm assembly 424 includes two swing clamp arms 4241 and two hinged arms 4242. The two swing clamp arms 4241 and the two hinged arms 4242 are respectively divided into two groups and arranged oppositely. The swing clamp arm 4241 is roughly T-shaped, and its T-shaped end is located at the rear end of the swing clamp arm 4241. The T-shaped end includes an inner convex portion protruding toward the inner side of the swing clamp arm 4241 and an outer convex portion protruding toward the outer side of the swing clamp arm 4241. The front end of each swing clamp arm 4241 is hinged to the mounting seat 422 on the corresponding side, the front ends of the two hinged arms 4242 are respectively hinged to the slider 423, and the rear ends of the two hinged arms 4242 are respectively hinged to the rear ends of the two swing clamp arms 4241. Preferably, the rear end of the hinged arm 4242 is connected to the inner convex portion of the T-shaped end.

[0124] A clamp block 4242a extending forward is provided on the outer side of the rear end of the swing clamp arm 4241 to press the hole wall of the main positioning hole 111 or the sheet metal around the main positioning hole 111. Preferably, the clamp block 4242a is provided on the outer convex part of the T-shaped end.

[0125] When the slider 423 slides forward, the two hinged arms 4242 respectively drive the two swing clamping arms 4241 to swing inwards, thereby reducing the distance between the two clamping blocks 4242 a, so that the swing clamping arms 4241 can pass through the main positioning hole 111 .

[0126] When the slider 423 slides backward to reset, the two hinged arms 4242 respectively drive the two swing clamping arms 4241 to swing outward to reset, thereby increasing the distance between the two clamping blocks 4242a, so that the swing clamping arms 4241 cannot pass through the main positioning hole 111, thereby pressing the hole wall of the main positioning hole 111 or pressing on the sheet metal around the main positioning hole 111.

[0127] When the swing clamp arm 4241 is in the expanded state, the swing clamp arm 4241 is roughly perpendicular to the main bracket 41, and the side clamp block 4242a is roughly parallel to the main bracket 41, so that a larger area of ​​the end of the clamp block 4242a presses on the hole wall of the main positioning hole 111 or on the sheet metal around the main positioning hole 111.

[0128] As needed, the above technical solutions can be combined to achieve the best technical effect.

[0129] The above are only the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, several other modifications can be made based on the principles of the present invention, which should also be considered as the protection scope of the present invention.

Claims

1. A rear door hinge tool for positioning and installing a clearance-fitted hinge for a rear door of an automobile, characterized in that: It includes a positioning jig, an upper hinge assembly jig and a lower hinge assembly jig; The positioning fixture comprises a main positioning mechanism for positioning with a main positioning hole of the rear door sheet metal and a secondary positioning pin for positioning with a secondary positioning hole of the rear door sheet metal; The upper hinge assembly jig is arranged at the upper end of the positioning jig, and the upper hinge assembly jig is used to clamp and position the upper hinge to an assembly state; The lower hinge assembly jig is arranged at the lower end of the positioning jig, and the lower hinge assembly jig is used to clamp and position the lower hinge to an assembly state.

2. The rear door hinge tooling according to claim 1, characterized in that: The upper hinge assembly jig includes a first bracket connected to the positioning jig and having a first opening, a first base plate connected to the front side of the first bracket and having a first bolt positioning groove and a second bolt positioning groove, a first lug clamping plate connected to the first base plate and located above the first bolt positioning groove, a second lug clamping plate connected to the first base plate and located above the second bolt positioning groove, and a positioning pin mounting arm connected to the first base plate and having an upper hinge bottom plate positioning pin; The notches of the first bolt positioning groove and the second bolt positioning groove are respectively oriented toward the first opening at the rear, and are used to position the first bolt and the second bolt of the upper hinge respectively; A first lug positioning groove is formed between the first lug clamping plate and the first base plate for positioning the first lug of the upper hinge; a second lug positioning groove is formed between the second lug clamping plate and the first base plate for positioning the second lug of the upper hinge; The positioning pin installation arm is located above the first lug clamping plate, and the upper hinge base plate positioning pin extends toward the first opening side to support the upper hinge base plate of the upper hinge.

3. The rear door hinge tooling according to claim 2, characterized in that: The first lug clamping plate comprises a clamping plate vertical plate and a clamping plate top plate, wherein the clamping plate vertical plate is located at the front side of the first bolt positioning groove and connected to the first base plate, and the clamping plate top plate is connected to the upper end of the clamping plate vertical plate and extends toward the first opening side; The clamping plate vertical plate is provided with a vertical plate opening for avoiding the end of the first lug; The clamping plate top plate is provided with a top plate avoidance groove for avoiding the head of the first bolt.

4. The rear door hinge tooling according to claim 2, characterized in that: The upper hinge base plate locating pin is adjustably connected to the locating pin mounting arm, and the upper hinge base plate locating pin can be adjusted along the axial direction.

5. The rear door hinge tooling according to claim 1, characterized in that: The lower hinge assembly jig includes a second bracket connected to the positioning jig and having a second opening, a second base plate connected to the lower part of the second opening and extending forward, an extension arm clamp plate provided on the second base plate, a locking mechanism connected to the second base plate and used to tighten the extension arm of the lower hinge, and a lower hinge bottom plate positioning pin connected to the second bracket and located above the second opening; An extension arm positioning groove is formed between the extension arm clamping plate and the second base plate, for positioning the extension arm; The locking mechanism is located below one of the extension arm clamps and is used to tighten the extension arm upwards; The lower hinge bottom plate positioning pin extends backwards to support the lower hinge bottom plate of the lower hinge.

6. The rear door hinge tooling according to claim 5, characterized in that: The extension arm clamp is adjustably connected to the second base plate, and the extension arm clamp can adjust the height relative to the second base plate.

7. The rear door hinge tooling according to claim 5, characterized in that: The lower hinge base plate locating pin is adjustably connected to the second bracket, and the lower hinge base plate locating pin can be adjusted along the axial direction.

8. The rear door hinge tooling according to claim 5, characterized in that: The locking mechanism comprises a handle and a screw connected to the handle, and the screw is threadedly connected to the second substrate.

9. The rear door hinge tooling according to claim 1, characterized in that: The positioning fixture comprises a main bracket with a third opening, the third opening is arranged at the middle and upper part of the main bracket, and the auxiliary positioning pin is arranged at the rear bottom of the main bracket; The main positioning mechanism includes a support seat connected to the front side of the main bracket, a mounting seat connected to the support seat and located at the front side of the main bracket, a slider slidably connected to the mounting seat, a clamping arm assembly connected to the slider and the front side of the mounting seat and passing through the third opening, and a driving part connected to the support seat and used to drive the slider to move forward and backward; Under the action of the driving part, the clamping arm assembly can pass through the main positioning hole and can clamp the hole wall of the main positioning hole between the clamping arm assembly and the main bracket.

10. The rear door hinge tooling according to claim 9, characterized in that: The support seat is provided with two mounting seats spaced apart along the width direction, and the slider is slidably arranged between the two mounting seats; The clamp arm assembly comprises two swing clamp arms arranged opposite to each other, the front end of each swing clamp arm is hinged to one of the mounting seats, and the rear end of each swing clamp arm is hinged to the slider via a hinge arm; A clamping block extending forward is provided on the outer side of the rear end of each swing clamping arm for pressing the hole wall of the main positioning hole.

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