CN115070653B - Car door latch assembly positioning tool - Google Patents
Car door latch assembly positioning tool Download PDFInfo
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- CN115070653B CN115070653B CN202210772952.XA CN202210772952A CN115070653B CN 115070653 B CN115070653 B CN 115070653B CN 202210772952 A CN202210772952 A CN 202210772952A CN 115070653 B CN115070653 B CN 115070653B
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- positioning mechanism
- latch
- positioning
- door
- supporting seat
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The application relates to a vehicle door latch assembly positioning tool, which comprises: a main body bracket; the vehicle body positioning mechanism is arranged on the main body bracket and is used for being fixed on a vehicle body; and a latch positioning mechanism mounted on the body support, the latch positioning mechanism for mounting a latch; the latch positioning mechanism may position the latch at a latch fixing area of the vehicle body when the body bracket is fixed to the vehicle body by the vehicle body positioning mechanism. Through setting up automobile body positioning mechanism and hasp positioning mechanism on the main part support, reach the purpose of location door hasp through the frock, shortened the size chain of hasp assembly, guaranteed the mounting position precision of hasp relative car lock, simplified the door hasp adjustment work of whole car on the automobile assembly production line, shortened the adjustment man-hour.
Description
Technical Field
The application relates to the technical field of vehicle accessories, in particular to a vehicle door latch assembly positioning tool.
Background
The latch refers to a device for latching a door or window. In the related art, the door latch of the market vehicle type has two types, one type is provided with two plastic-coated locating pins, and the other type is positioned without plastic-coated locating pins. The latch with the locating pin ensures the matching position degree with the vehicle door by depending on the locating hole precision of the vehicle body side, however, the latch has higher requirements on the locating hole position precision size on the side periphery, matching and die repairing are required in the industrialization stage, the problem that the Z-direction relative position of the repaired vehicle door latch with low matching time is required to match the door locking position still exists in the mass production stage, the cost of the latch is increased due to the fact that the latch part is coated with plastic, and more vehicle type projects adopt the latch without the plastic coating and the locating pin due to the influence of the cost and the factors of part vehicle type mechanism arrangement. However, the latch mechanism lacks positioning during primary assembly of the assembly, so that the position degree of the lock catch relative to the door lock cannot be ensured, and the installation position of the lock catch can be solidified by manually adjusting the position of the lock catch in the assembly process, so that the engagement between the door lock and the latch is ensured.
Therefore, it is necessary to provide a vehicle door latch assembly positioning tool to solve the above-mentioned problems.
Disclosure of Invention
The embodiment of the application provides a vehicle door latch assembly positioning tool, which aims to solve the problems that in the related art, a latch with a positioning pin has higher requirements on the position accuracy and the size of a positioning hole on the side wall, the die repair and repair are required, the cost is higher, the latch without positioning pin positioning lacks positioning, the position degree of a latch relative to a vehicle door lock cannot be ensured, and manual adjustment is required.
In a first aspect, a door latch assembly positioning tooling is provided, comprising: a main body bracket; the vehicle body positioning mechanism is arranged on the main body bracket and is used for being fixed on a vehicle body; and a latch positioning mechanism mounted on the body support, the latch positioning mechanism for mounting a latch; the latch positioning mechanism may position the latch at a latch fixing area of the vehicle body when the body bracket is fixed to the vehicle body by the vehicle body positioning mechanism.
In some embodiments, the body positioning mechanism comprises an upper hinge positioning mechanism and a lower hinge positioning mechanism, which are installed at one side of the main body bracket at intervals; the upper hinge positioning mechanism is used for positioning an upper hinge of a rear door of the vehicle body, and the lower hinge positioning mechanism is used for being fixed on a lower hinge of the rear door of the vehicle body.
In some embodiments, the upper hinge positioning mechanism and the lower hinge positioning mechanism each comprise: the first supporting seat is provided with an upper hinge positioning pin and is used for being fixed on a movable page of the upper hinge of the rear door through the upper hinge positioning pin; the first pressure head is arranged at one side of the first supporting seat at intervals, and when the upper hinge positioning mechanism is arranged on the upper hinge of the rear door, the first pressure head and the first supporting seat are respectively clamped at two opposite sides of the movable page.
In some embodiments, an upper hinge pressing block is arranged between the first pressing head and the first supporting seat, and a U-shaped groove is arranged on one side of the upper hinge pressing block.
In some embodiments, the body positioning mechanism includes a side-wall rear wheel cover positioning mechanism mounted to one side of the main body bracket, the rear wheel cover positioning mechanism being for positioning a side-wall rear wheel cover of the body.
In some embodiments, the side wall rear wheel housing positioning mechanism includes: the second supporting seat is connected with the main body bracket; the second pressure head is connected with the second supporting seat, and the second pressure head and the second supporting seat are used for respectively clamping the two opposite sides of the side wall rear wheel cover.
In some embodiments, the second support extends along a length direction of the main body support, and the second support forms a Z shape along the length direction thereof.
In some embodiments, the latch positioning mechanism comprises: the third supporting seat is connected with the main body bracket; and the third pressure head is connected with the third supporting seat, and the third pressure head and the third supporting seat are used for respectively clamping the two opposite sides of the lock latch.
In some embodiments, a latch pressing block is arranged between the third supporting seat and the third pressing head, a bump is arranged on one side, close to the third supporting seat, of the latch pressing block, and a groove is arranged on one side, close to the latch pressing block, of the third supporting seat.
In some embodiments, the body positioning mechanism comprises an upper hinge positioning mechanism, a lower hinge positioning mechanism, and a side wall rear wheel cover positioning mechanism;
the main body support is triangular, the upper hinge positioning mechanism and the lower hinge positioning mechanism are mounted on the bottom edge of the main body support, the side wall rear wheel cover positioning mechanism is mounted on the top angle of the main body support, and the latch positioning mechanism is mounted on the main body support and is close to the side wall rear wheel cover positioning mechanism.
The technical scheme provided by the application has the beneficial effects that:
the embodiment of the application provides a vehicle door latch assembly positioning tool, which is characterized in that a vehicle body positioning mechanism and a latch positioning mechanism are arranged on a main body bracket, and the tool is positioned to one or more positions of a vehicle body through the vehicle body positioning mechanism, so that the purpose of positioning a vehicle door latch can be achieved through the tool, a dimension chain of latch assembly is shortened, the mounting position precision of the latch relative to a vehicle door lock is ensured, the vehicle door latch adjustment work of the whole vehicle on a vehicle assembly production line is simplified, and the adjustment working hour is shortened.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a vehicle door latch assembly positioning tool according to an embodiment of the present application;
fig. 2 is a schematic perspective view of another angle of a vehicle door latch assembly positioning tool according to an embodiment of the present application;
fig. 3 is a schematic perspective view of an upper hinge positioning mechanism of a vehicle door latch assembly positioning tool according to an embodiment of the present application;
fig. 4 is a schematic perspective view of a positioning mechanism for a side wall rear wheel cover of a vehicle door latch assembly positioning tool according to an embodiment of the present application;
fig. 5 is a schematic perspective view of a latch positioning mechanism of a vehicle door latch assembly positioning tool according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a structure of a door latch assembly positioning fixture assembled on a vehicle body according to an embodiment of the present application;
fig. 7 is a schematic structural view of an upper hinge positioning mechanism assembled on an upper hinge of a rear door according to an embodiment of the present application;
FIG. 8 is a schematic structural view of a positioning mechanism for a rear wheel cover of a side wall assembled to the rear wheel cover of the side wall according to an embodiment of the present application;
FIG. 9 is a schematic diagram of a latch assembly to a latch positioning mechanism according to an embodiment of the present application;
FIG. 10 is a normal distribution diagram of the out-of-tolerance defect rate of the first scheme of the self-positioning buckle assembly in the related art;
FIG. 11 is a normal distribution diagram of out-of-tolerance defect rates for a second solution of a door latch assembly positioning fixture assembly provided by an embodiment of the present application.
Reference numerals in the drawings:
1. a main body bracket; 2. an upper hinge positioning mechanism; 21. a first support base; 22. an upper hinge locating pin; 23. a first ram; 24. an upper hinge pressing block; 241. a U-shaped groove; 3. a lower hinge positioning mechanism; 4. a side wall rear wheel cover positioning mechanism; 41. a second support base; 42. a second ram; 5. a latch positioning mechanism; 51. a third support base; 511. a groove; 52. a third ram; 53. a latch pressing block; 531. a bump; 6. a latch; 7. a vehicle body; 71. a rear door upper hinge; 711. an active page; 712. a FixedPage; 72. a rear door lower hinge; 73. a side wall rear wheel cover; 74. a latch fixing area.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment of the application provides a vehicle door latch assembly positioning tool, which can solve the problems that in the related art, a latch with a positioning pin has higher requirements on the position accuracy size of a positioning hole on the side wall, the die repair and repair are required, the cost is higher, the latch without positioning pin lacks positioning, the position degree of a latch relative to a vehicle door lock cannot be ensured, and manual adjustment is required.
Referring to fig. 1, fig. 2, and fig. 6, a vehicle door latch assembly positioning tool provided in an embodiment of the present application may include: a main body bracket 1; a body positioning mechanism mounted on the main body bracket 1, the body positioning mechanism being fixed to a body 7; and a latch positioning mechanism 5 mounted on the main body bracket 1, the latch positioning mechanism 5 for mounting a latch 6; the latch positioning mechanism 5 may position the latch 6 at a latch fixing area 74 of the vehicle body 7 when the body bracket 1 is fixed to the vehicle body 7 by the vehicle body positioning mechanism.
In this embodiment, by providing the body positioning mechanism and the latch positioning mechanism 5 on the body bracket 1 and positioning the tooling to one or more positions of the body 7 through the body positioning mechanism, for example, the body positioning mechanism is mounted at a certain pre-calibrated position of the top cover of the body 7, since the relative positions of the body positioning mechanism and the latch positioning mechanism provided on the body bracket 1 are consistent with the relative positions of the top cover calibration point and the latch fixing area 74, when the body bracket 1 is fixed to the body 7 through the body positioning mechanism, the latch positioning mechanism 5 can just correspond to the latch fixing area 74, thereby fixing the latch 6 mounted on the latch fixing area 74 to the latch fixing area 74, therefore, the purpose of positioning the door by the tooling can be achieved, the size chain of the assembly of the latch 6 is shortened, the mounting position precision of the latch 6 relative to the door lock is ensured, the door adjusting work of the whole automobile on the assembly production line is simplified, the adjusting work of the latch is shortened, the tooling can be used for multiple times, and the cost is reduced.
Referring to fig. 6, in some embodiments, the body positioning mechanism may include an upper hinge positioning mechanism 2 and a lower hinge positioning mechanism 3, the upper hinge positioning mechanism 2 and the lower hinge positioning mechanism 3 being installed at a side of the body bracket 1 at a distance; the upper hinge positioning mechanism 2 is for positioning a rear door upper hinge 71 of the vehicle body 7, and the lower hinge positioning mechanism 3 is for fixing a rear door lower hinge 72 of the vehicle body 7.
In this embodiment, since the movable pages 711 of the upper rear door hinge 71 and the lower rear door hinge 72 are used for mounting the vehicle door, in order to shorten the aligned size chain of the latch 6 and the door lock, the hinge is used as a positioning, the tooling is similar to a virtual vehicle door model, one side of the tooling is positioned at the upper rear door hinge 71 and the lower rear door hinge 72, and the other side is positioned at the door lock, so that the latch of the vehicle door is positioned and mounted, thereby shortening the assembled size chain of the latch, and better ensuring the mounting position accuracy of the latch 6 relative to the door lock.
Referring to fig. 3, further, the upper hinge positioning mechanism 2 and the lower hinge positioning mechanism 3 may each include: a first support base 21 provided with an upper hinge positioning pin 22, the first support base 21 being adapted to be fixed to a movable page 711 of the rear door upper hinge 71 by the upper hinge positioning pin 22; the first pressing heads 23 are spaced apart from one side of the first supporting seat 21, and when the upper hinge positioning mechanism 2 is mounted on the rear door upper hinge 71, the first pressing heads 23 and the first supporting seat 21 are respectively clamped at two opposite sides of the movable page 711.
In this embodiment, the movable pages 711 of the upper rear door hinge 71 and the lower rear door hinge 72 are provided with mounting holes for mounting the vehicle door, and the upper hinge positioning pins 22 can be positioned in the mounting holes on the movable pages 711, so that the positioning tool can be accurately positioned to the mounting position of the vehicle door by using the upper hinge positioning mechanism 2, the mounting position accuracy of the latch 6 relative to the vehicle door is further ensured, and the positioning tool can be quickly mounted on the upper rear door hinge 71 and the lower rear door hinge 72 by clamping the movable pages 711 by using the first supporting seat 21 and the first pressure head 23. The first pressure head 23 adopts a quick clamp, has a simple structure, is quick and flexible to clamp, is safe and reliable, and has high working efficiency.
In use, the first supporting seat 21 is aligned with the mounting holes on the movable pages 711 of the upper back door hinge 71 and the lower back door hinge 72 through the upper hinge positioning pin 22, and is mounted on the movable pages 711 of the upper back door hinge 71 and the lower back door hinge 72, then the first pressing head 23 is pressed, the movable pages 711 are clamped, and the upper hinge positioning mechanism 2 and the lower hinge positioning mechanism 3 are mounted on the upper back door hinge 71 and the lower back door hinge 72 respectively.
In other embodiments, the upper hinge positioning mechanism 2 and the lower hinge positioning mechanism 3 may be fixed by other structures, for example, may be a clamping structure, may be mounted by bolts, or may be welded.
As shown in fig. 3 and 7, further, an upper hinge pressing block 24 may be disposed between the first pressing head 23 and the first supporting seat 21, and a U-shaped groove 241 is disposed on one side of the upper hinge pressing block 24.
In this embodiment, when the upper hinge positioning mechanism 2 and the lower hinge positioning mechanism 3 are mounted on the movable page 711, the upper hinge pressing block 24 is disposed between the first pressing head 23 and the first supporting seat 21, the movable page 711 is pressed by the upper hinge pressing block 24, the contact area between the upper hinge pressing block 24 and the movable page 711 is larger, so that the movable page 711 can be clamped more firmly, and loosening is prevented. Wherein, two ends of one side of the first supporting seat 21, which is close to the upper hinge pressing block 24, are respectively provided with an upper hinge positioning pin 22, the length of the upper hinge pressing block 24 is smaller than that of the first supporting seat 21, when the upper hinge pressing block 24 and the first supporting seat 21 clamp the movable page 711 therein, the upper hinge pressing block 24 is positioned between the two upper hinge positioning pins 22, the movable page 711 is connected with the fixed page 712, the fixed page 712 is fixed on the vehicle body 7, when the upper hinge pressing block 24 presses on the movable page 711, the outer side of the fixed page 712 can be just accommodated in a U-shaped groove 241 arranged on the upper hinge pressing block 24, the uniqueness of the positions when the upper hinge positioning mechanism 2 and the lower hinge positioning mechanism 3 are assembled on the vehicle body is ensured, and interference between the fixed page 712 and the upper hinge pressing block 24 can be prevented, so that the upper hinge pressing block 24 can be completely attached on the movable page 711, and errors are avoided; the first support 21 is also provided with a channel of the same length as the U-shaped channel 241 of the upper hinge block 24. When the movable page 711 is clamped between the upper hinge block 24 and the first support 21, the channel on the first support 21 can be aligned with the U-shaped channel 241 of the upper hinge block 24 for being received on opposite sides of the fixed page 712, respectively.
Referring to fig. 6, in some embodiments, the body positioning mechanism may include a side-frame rear wheel cover positioning mechanism 4, the side-frame rear wheel cover positioning mechanism 4 being mounted to one side of the main body bracket 1, the side-frame rear wheel cover positioning mechanism 4 being configured to position a side-frame rear wheel cover 73 of the body 7.
In this embodiment, since the upper hinge positioning mechanism 2 and the lower hinge positioning mechanism 3 are mounted on the movable pages 711 of the upper rear door hinge 71 and the lower rear door hinge 72, the door latch can be positioned in the Z direction (the vehicle height direction), but the movable pages 711 can also rotate around the hinge shaft body and drive the assembly positioning tool to rotate, the assembly positioning tool cannot accurately position the door latch in the Y direction (the vehicle width direction), therefore, the assembly positioning tool can be attached to the outer side wall of the vehicle body 7 by fixing the side wall rear wheel cover positioning mechanism 4 on the side wall rear wheel cover 73 of the vehicle body 7, so that the door latch can be positioned in the Y direction, the door latch can be positioned in the Z direction by matching with the upper hinge positioning mechanism 2 and the lower hinge positioning mechanism 3, the purpose of accurately positioning the mounting position of the door latch can be achieved, the mounting position accuracy of the door latch 6 relative to the door lock is ensured, and the adjustment work of the door latch on the vehicle assembly production line of the whole vehicle is simplified.
In other embodiments, the body positioning mechanism positioning may also be a mechanism positioned at other locations of the body 7, for example, a front wheel cover, a front door hinge, or a front door latch.
Referring to fig. 4, further, the side wall rear wheel cover positioning mechanism 4 may include: a second support base 41 connected to the main body bracket 1; the second pressure head 42 is connected with the second supporting seat 41, and the second pressure head 42 and the second supporting seat 41 are used for clamping two opposite sides of the side wall rear wheel cover 73 respectively.
In this embodiment, through utilizing second supporting seat 41 and second pressure head 42 centre gripping with side wall rear wheel casing 73, can be fast with side wall rear wheel casing positioning mechanism 4 location on side wall rear wheel casing 73, second pressure head 42 adopts quick clamp, simple structure, the clamping is quick nimble, safe and reliable, work efficiency is high.
In other embodiments, the side wall rear wheel cover positioning mechanism 4 may be fixed by other structures, for example, may be a clamping structure, may be mounted by bolts, or may be welded.
As shown in fig. 4 and 8, further, the second support seat 41 may extend along the length direction of the main body bracket 1, and the second support seat 41 may form a Z shape along the length direction thereof.
In this embodiment, since the wheel arch of the side wall rear wheel cover 73 is slightly recessed toward the inner side of the vehicle body 7, the second support seat 41 is provided in a Z shape, and the inner side of the Z shape is used to fit the outer side of the wheel arch, so that the shape of the side wall rear wheel cover 73 can be adapted, and the error can be reduced. When the automobile door lock is used, the second supporting seat 41 and the second pressure head 42 are respectively clamped on the outer side and the inner side of the side wall rear wheel cover 73, positioning points of the second supporting seat 41 and the second pressure head are located on the wheel arch, the second supporting seat 41 is attached to the outer side of the wheel arch, therefore, the Y-direction distance size from the lock bolt 6 to the side wall appearance surface can be ensured, and after the lock bolt 6 is assembled and the automobile door is assembled and closed, the automobile door can be just flush with the side wall surface.
Referring to fig. 5, further, the latch positioning mechanism 5 may include: a third support base 51 connected to the main body bracket 1; and a third pressing head 52 connected to the third supporting seat 51, where the third pressing head 52 and the third supporting seat 51 are used to clamp the two opposite sides of the latch 6 respectively.
In this embodiment, the latch 6 may be quickly positioned in the latch fixing area 74 by clamping the latch 6 with the third supporting seat 51 and the third pressure head 52, and the third pressure head 52 adopts a quick clamp, which has a simple structure, quick and flexible clamping, safety, reliability, and high working efficiency.
In other embodiments, the latch positioning mechanism 5 may be secured by other structures, such as a snap-fit structure, a bolt-fit, or a weld.
Referring to fig. 5 and 9, further, a latch pressing block 53 is disposed between the third supporting seat 51 and the third pressing head 52, a bump 531 is disposed on a side of the latch pressing block 53 close to the third supporting seat 51, and a groove 511 is disposed on a side of the third supporting seat 51 close to the latch pressing block 53.
In this embodiment, when the latch 6 is mounted between the latch pressing block 53 and the third supporting seat 51, the protrusion 531 on the latch pressing block 53 and the groove 511 of the third supporting seat 51 can position the front portion of the latch 6, so that the front portion of the latch 6 is just accommodated in the groove 511, which ensures the uniqueness of the position of the latch 6 when being assembled on the vehicle body, and avoids shaking.
Referring to fig. 1 and 2, in some embodiments, the body positioning mechanism may include an upper hinge positioning mechanism 2, a lower hinge positioning mechanism 3, and a side fascia rear wheel housing positioning mechanism 4; the main body support 1 is triangular, the upper hinge positioning mechanism 2 and the lower hinge positioning mechanism 3 are arranged on the bottom edge of the main body support 1, the side wall rear wheel cover positioning mechanism 4 is arranged on the top angle of the main body support 1, and the lock latch positioning mechanism 5 is arranged on the main body support 1 and is close to the side wall rear wheel cover positioning mechanism 4.
In this embodiment, go up hinge positioning mechanism 2 and lower hinge positioning mechanism 3 and set up in the same side of main part support 1, side wall rear wheel casing positioning mechanism 4 sets up in main part support 1 and keeps away from the one side of going up hinge positioning mechanism 2 and lower hinge positioning mechanism 3, because main part support 1 needs to stride across rear door installation region and rear wheel casing region on automobile body 7, main part support 1 is triangle-shaped and can reach under the prerequisite of guaranteeing the positioning effect, reduces main part support 1 volume, prevents to produce the interference with other positions of automobile body 7, and maintain the stability of whole assembly positioning frock.
In other embodiments, the main body support 1 may have other shapes, for example, may be rectangular, may be L-shaped, or may be T-shaped.
During installation, the upper hinge locating pin 22 of the first supporting seat 21 is aligned with the movable page 711 of the upper and lower hinges of the vehicle door, the first pressure head 23 is clamped, the front part of the tool is fixed on the upper and lower hinges of the vehicle door, then the tool rotates along with the hinge shaft, the second supporting seat 41 is attached to the side wall rear wheel cover 73, the second pressure head 42 is clamped, and the tool is positioned and assembled on the vehicle body. And opening the third pressure head 52, placing the hook part of the lock bolt 6 on the groove 511 of the third supporting seat 51, pressing the third pressure head 52, fixing the position of the lock bolt 6, and finally tightening the lock bolt 6 and the side wall of the vehicle door to finish assembly.
Table 1 shows the size chain of the engagement of the self-locating shackle with the door lock, and table 2 shows the engagement of the shackle with the door lock using tooling to improve assembly.
TABLE 1
| Chain ring name | IT | |
| 1 | Degree of position at the point of engagement of the door latch | 0.60 |
| 2 | Positioning hole position degree of side wall upper door latch | 0.60 |
| 3 | Z-directional positioning hole position degree of door assembly hinge | 0.60 |
| 4 | Z-direction dimensional accuracy of door hinge locating pin | 0.60 |
| 5 | Z-direction dimensional accuracy of door lock positioning assembly hole on car door | 0.60 |
| 6 | Z-direction dimensional accuracy of meshing part under door lock assembly reference | 0.60 |
TABLE 2
| Chain ring name | IT | |
| 1 | Degree of position at the point of engagement of the door latch | 0.00 |
| 2 | Positioning hole position degree of side wall upper door latch | 0.00 |
| 3 | Z-directional positioning hole position degree of door assembly hinge | 0.00 |
| 4 | Z-direction dimensional accuracy of door hinge locating pin | 0.00 |
| 5 | Z-direction dimensional accuracy of door lock positioning assembly hole on car door | 0.60 |
| 6 | Z-direction dimensional accuracy of meshing part under door lock assembly reference | 0.60 |
Where IT refers to the tolerance of each link size, which is a manufacturing accuracy requirement for these sizes. Comparing the two schemes, taking Z-direction dimensional position accuracy requirement of the meshing position of the lock and the lock catch + -0.3 mm as an accepted standard (the problem of shaking and abnormal sound of the padlock cannot occur when the vehicle door is closed in the range), referring to normal distribution diagrams shown in fig. 10 and 11, the horizontal axis represents tolerance, the vertical axis represents probability of different tolerance sample distribution in the assembly process, and the figure shows that the out-of-tolerance defect rate of the scheme I assembled by using the self-positioning lock catch is 26.77%, the out-of-tolerance defect rate of the scheme II assembled by using the tool is 3.42%, compared with the scheme of the self-positioning lock catch, the defect rate is remarkably reduced, and the assembly position accuracy of the lock catch is effectively improved. Considering a white shift of 8 hours and a takt of 60JPH, the number of cars to be adjusted is reduced from about 130 to 17 in 480, so that the number of people (typically 5 people, 1 person in front of, 1 person in back of, 2 person in side of, 1 person in whole of taking care of, counting defect cards, statistics) can be reduced from 3 to 3 in the adjustment personnel who complete the line repair station.
The principle of the vehicle door latch assembly positioning tool provided by the embodiment of the application is as follows:
the tool is positioned and installed on the hinged car body 7 after the car door is disassembled through the upper hinge positioning mechanism 2 and the lower hinge positioning mechanism 3, the rear side wall rear wheel cover positioning mechanism 4 is positioned in the side wall rear wheel cover 73 area, the matching area of the latch 6 meshed with the car door lock is positioned through the latch positioning mechanism 5, on the premise of adopting the latch without a positioning pin, the problem of the position accuracy of the assembly of the latch 6 on the car body is solved, the cost of the latch 6 is reduced, the assembly adjustment workload of the latch 6 is reduced, the original left and right car door latch adjustment work which is specially performed by 2 persons is changed to be checking and adjusting by the front and rear adjusting personnel, compared with the self-positioned latch, the position matching size chain of the latch 6 and the door lock is shortened from +/-0.74 mm to +/-0.43 mm, the quality requirements of the opening and closing of the car door are met, the workload of secondary adjustment is greatly reduced,
in the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a door hasp assembly location frock which characterized in that, it includes:
a main body bracket (1);
a body positioning mechanism mounted on the main body bracket (1), the body positioning mechanism being for fixing to a body (7); the automobile body positioning mechanism comprises an upper hinge positioning mechanism (2) and a lower hinge positioning mechanism (3), wherein the upper hinge positioning mechanism (2) and the lower hinge positioning mechanism (3) are installed on one side of the main body support (1) at intervals, the upper hinge positioning mechanism (2) is used for positioning an upper rear door hinge (71) of the automobile body (7), and the lower hinge positioning mechanism (3) is used for being fixed on a lower rear door hinge (72) of the automobile body (7); the upper hinge positioning mechanism (2) and the lower hinge positioning mechanism (3) both comprise:
a first support base (21) provided with an upper hinge positioning pin (22), wherein the first support base (21) is used for being fixed on a movable page (711) of the upper rear door hinge (71) through the upper hinge positioning pin (22);
the first pressure heads (23) are arranged at one side of the first supporting seat (21) at intervals, and when the upper hinge positioning mechanism (2) is installed on the upper hinge (71) of the rear door, the first pressure heads (23) and the first supporting seat (21) are respectively clamped at two opposite sides of the movable page (711);
and a latch positioning mechanism (5) mounted on the main body bracket (1), the latch positioning mechanism (5) being for mounting a latch (6);
the latch positioning mechanism (5) can position the latch (6) at a latch fixing area (74) of the vehicle body (7) when the main body bracket (1) is fixed to the vehicle body (7) by the vehicle body positioning mechanism.
2. The vehicle door latch assembly positioning tooling of claim 1, wherein:
an upper hinge pressing block (24) is arranged between the first pressing head (23) and the first supporting seat (21), and a U-shaped groove (241) is formed in one side of the upper hinge pressing block (24).
3. The vehicle door latch assembly positioning tooling of claim 1, wherein:
the automobile body positioning mechanism comprises a side wall rear wheel cover positioning mechanism (4), the side wall rear wheel cover positioning mechanism (4) is arranged on one side of the main body support (1), and the side wall rear wheel cover positioning mechanism (4) is used for positioning a side wall rear wheel cover (73) of the automobile body (7).
4. The door latch assembly positioning tooling of claim 3, wherein the side wall rear wheel housing positioning mechanism (4) comprises:
a second support base (41) connected to the main body bracket (1);
the second pressure head (42) is connected with the second supporting seat (41), and the second pressure head (42) and the second supporting seat (41) are used for respectively clamping two opposite sides of the side wall rear wheel cover (73).
5. The door latch assembly positioning tooling of claim 4, wherein:
the second supporting seat (41) extends along the length direction of the main body support (1), and the second supporting seat (41) forms a Z shape along the length direction.
6. The vehicle door latch assembly positioning tooling according to claim 1, wherein the latch positioning mechanism (5) comprises:
a third support base (51) connected to the main body bracket (1);
and the third pressing head (52) is connected with the third supporting seat (51), and the third pressing head (52) and the third supporting seat (51) are used for respectively clamping two opposite sides of the lock bolt (6).
7. The door latch assembly positioning tooling of claim 6, wherein:
a latch pressing block (53) is arranged between the third supporting seat (51) and the third pressing head (52), a bump (531) is arranged on one side, close to the third supporting seat (51), of the latch pressing block (53), and a groove (511) is arranged on one side, close to the latch pressing block (53), of the third supporting seat (51).
8. The vehicle door latch assembly positioning tooling of claim 1, wherein:
the vehicle body positioning mechanism comprises a side wall rear wheel cover positioning mechanism (4);
the main body support (1) is triangular, the upper hinge positioning mechanism (2) and the lower hinge positioning mechanism (3) are installed on the bottom edge of the main body support (1), the side wall rear wheel cover positioning mechanism (4) is installed on the top angle of the main body support (1), and the lock latch positioning mechanism (5) is installed on the main body support (1) and is close to the position of the side wall rear wheel cover positioning mechanism (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210772952.XA CN115070653B (en) | 2022-06-30 | 2022-06-30 | Car door latch assembly positioning tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210772952.XA CN115070653B (en) | 2022-06-30 | 2022-06-30 | Car door latch assembly positioning tool |
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| CN115070653A CN115070653A (en) | 2022-09-20 |
| CN115070653B true CN115070653B (en) | 2023-08-29 |
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| CN202210772952.XA Active CN115070653B (en) | 2022-06-30 | 2022-06-30 | Car door latch assembly positioning tool |
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| DE102020132617A1 (en) * | 2020-12-08 | 2022-06-09 | Andreas Maier Gmbh & Co. Kg | clamping device |
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| GB0111121D0 (en) * | 2001-05-05 | 2001-06-27 | Meritor Light Vehicle Sys Ltd | Vehicle, hinge and latching arrangement adjustment method |
| US10988963B2 (en) * | 2017-10-30 | 2021-04-27 | Bauer Products, Inc. | Door latch assembly |
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| EP1281470A2 (en) * | 2001-07-31 | 2003-02-05 | Uniport S.A.S. | Method and assisting device for mounting a door on a vehicle |
| KR20120030737A (en) * | 2010-09-20 | 2012-03-29 | 르노삼성자동차 주식회사 | Jig apparatus for assembling trunk striker |
| CN204019418U (en) * | 2014-09-10 | 2014-12-17 | 神龙汽车有限公司 | Trinity combined type car door assembling and positioning tool structure |
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| CN115070653A (en) | 2022-09-20 |
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