CN211448189U

CN211448189U - Nut plate for mounting lock pin and vehicle door lock pin mounting structure

Info

Publication number: CN211448189U
Application number: CN201921967258.3U
Authority: CN
Inventors: 吴春广; 王建军; 段晓艳
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-09-08
Anticipated expiration: 2029-11-14

Abstract

The utility model relates to a nut plate and door lockpin mounting structure for lockpin installation, including floating nut plate and limiting plate. The floating nut plate is movably arranged on the limiting plate, and the position of the floating nut plate is limited by the matching of the limiting structure on the limiting plate and the limiting structure on the floating nut plate; the limiting plate is welded on a hinge installation reinforcing part on the automobile upright post, the lock pin penetrates through the floating nut and the lock pin through hole on the limiting plate through a countersunk head screw, and the lock washer assembly is used for installation. The lock pin mounting structure has high tolerance, the floating nut plate is limited in the floating nut plate limiting plate and can float freely, the position of the lock pin can be quickly adjusted according to the actual position of the engaging opening of the vehicle door lock to be matched with the engaging opening, and the problems of difficult assembly, poor assembly and the like caused by insufficient sheet metal manufacturing precision can be effectively avoided.

Description

Nut plate for mounting lock pin and vehicle door lock pin mounting structure

Technical Field

The utility model relates to an installation technique of car door lock, concretely relates to door lockpin mounting structure.

Background

The car door lock pin mounting nut plate is used as a mounting carrier for correctly engaging a car door lock with parts such as a lock pin and the like, is a key structure for realizing the opening and closing of a car door, generally comprises a nut plate, a T-shaped nut and the like, is usually fixed on a car door upright column reinforcing plate by spot welding, and realizes the mounting of the lock pin through the T-shaped nut on a bracket.

The matching relationship of a vehicle door lock pin mounting nut plate and a lock pin which are widely used at present is shown in figure 1, taking a vehicle B column as an example, a lock pin 01 passes through a side wall outer plate 02, a B column reinforcing member 03 and a B column upper hinge mounting reinforcing member 04 by an assembly of two inner hexagonal countersunk head screws and a conical locking washer, then passes through a lock pin nut plate 05 and finally is screwed into a thread of a T-shaped nut 06 to realize fastening. In the actual assembly process, the requirement on the matching precision of the lock pin 01 and the lock pin nut plate 05 is high, the matching size can only slightly float, however, the door lock meshing port is likely to deviate from the theoretical position in the final assembly process, so that the meshing accuracy of the door lock and the lock pin is influenced, and the opening and closing of a vehicle door are influenced.

Disclosure of Invention

An object of the utility model is to provide a nut plate and door lockpin mounting structure for lockpin installation, design nut plate are restricted can free floating in the nut plate restriction board, and this structure welded fastening can effectively satisfy the door lock and correctly mesh in the lockpin on B post hinge installation reinforcement body, more is favorable to the assembly of lockpin and the welding of lockpin nut plate.

The technical scheme of the utility model as follows:

a nut plate for lockpin installation, including floating nut plate and limiting plate.

The floating nut plate is movably arranged on the limiting plate, and the position of the floating nut plate is limited by the matching of the limiting structure on the limiting plate and the limiting structure on the floating nut plate; the limiting plate of the floating nut plate is provided with a lock pin through hole for a lock pin to pass through, the lock pin through hole on the limiting plate is larger than the lock pin mounting hole on the floating nut plate, and the larger part is the movable amount of the floating nut plate.

Preferably, the limiting structures arranged on the limiting plate are hook-shaped limiting structures, and the hook-shaped limiting structures are arranged oppositely up and down or left and right, and are at least two pairs; the limiting structures arranged on the floating nut plate are limiting surfaces, and the limiting surfaces are arranged oppositely up and down or left and right, and are at least two pairs; when the hook-type limiting structures on the limiting plate are arranged up and down oppositely, one pair of limiting surfaces on the floating nut plate is arranged on the left side of one pair of hook-type limiting structures, the other pair of limiting surfaces is arranged on the right side of the other pair of hook-type limiting structures, and the movable amount of the floating nut plate is reserved between the two limiting surfaces; when the hook-type limiting structures on the limiting plate are oppositely arranged left and right, one pair of limiting surfaces on the floating nut plate is arranged on the upper sides of the hook-type limiting structures, the other pair of limiting surfaces is arranged on the lower sides of the other pair of hook-type limiting structures, and the movable amount of the floating nut plate is reserved between the two limiting surfaces.

Preferably, the hook-shaped limiting structure is an openable and closable structure.

Preferably, the limiting plate and the hook-shaped limiting structure thereon are integrally formed by stamping and are integrally stamped parts.

Preferably, the stop surfaces on the floating-nut plate are formed by upward or downward protrusions at the left and right ends of the upper and lower edges of the floating-nut plate, or by leftward or rightward protrusions at the upper and lower ends of the left and right edges of the floating-nut plate.

Preferably, the floating nut plate and the limiting surface thereon are integrally formed by stamping and are integrally stamped parts.

The utility model provides a door lockpin mounting structure, it has lockpin and the foretell nut plate that is used for the lockpin installation, the limiting plate welds on the hinge mount reinforcement on the car stand, the lockpin passes floating nut and limiting plate through countersunk screw and locks the pinhole, installs by the lock washer sub-assembly.

Structural design from above can see, lockpin mounting structure itself have great tolerance nature, the spacing face of design is mutually supported and is matchd on the crotch type shape limit structure that its floating nut board limited plate went up the design and the floating nut board, floating nut board is restricted and can freely float in floating nut board limited plate, realizes that lockpin allen flower countersunk screw and toper lock washer sub-assembly can easily carry out pre-installation when the assembly, and can match with the engagement mouth according to the actual position of door lock meshing mouth adjusts the lockpin position rapidly. Whole structure assembly easy dismounting, the cooperation is spacing firm, can effectively avoid because of the not enough production of the assembly difficulty that causes of panel beating manufacturing accuracy, poor scheduling problem of assembly.

Additionally, the utility model relates to a part is sheet metal punching press or cuts the part, and structure, preparation simple process only need two parts, unsteady nut plate and limiting plate promptly, low cost.

Drawings

FIG. 1 is a schematic view of a conventional lock pin mounting nut plate and lock pin assembly;

FIG. 2 is a schematic view of the floating nut plate and floating nut plate limiting plate assembly of the present invention;

FIG. 3 is a schematic view of the floating nut plate limiting plate of the present invention;

FIG. 4 is a schematic view of the floating nut plate of the present invention;

fig. 5 is a schematic diagram of the structure of the floating nut plate assembly welded to the B-pillar hinge mounting stiffener;

fig. 6 is a schematic cross-sectional view a-a of fig. 5 according to the present invention;

in fig. 1: 01-a locking pin; 02-side outer plate; 03-B pillar reinforcement; a reinforcing part is hinged on the 04-B upright post; 05-a lockpin nut plate; a 06-T shaped nut;

in fig. 2-6: 1-a floating nut plate; 2-a limiting plate; 3-B column hinge mounting reinforcing plate indicating plate; 4-a lock pin; 5-hexagon socket countersunk flat head screw; 21-upper left hook type limit, 22-upper right hook type limit, 23-lower right hook type limit, 24-lower left hook type limit, 25-lock pin via hole on the limit plate, 11-upper left limit face, 12-upper right limit face, 13-lower right limit face, 14-lower left limit face, and 15-lock pin hole on the nut plate.

Detailed Description

The structure of the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 2, the nut plate structure for lockpin installation according to the present invention is composed of two parts, a floating nut plate 1 and a limiting plate 2.

Referring to fig. 3, the upper and lower edge positions of the limiting plate 2 are integrally formed with an upper left hook-shaped limiting structure 21, an upper right hook-shaped limiting structure 22, a lower right hook-shaped limiting structure 23, and a lower left hook-shaped limiting structure 24, which are opposite to each other in the upper and lower positions. The hook-type limiting structures are all openable structures, namely the hook-type limiting structures can be opened when the floating nut plate is assembled and then closed after being assembled. The limiting plate and the hook-shaped limiting structure on the limiting plate are integrally formed by stamping and are an integral stamping part.

Referring to fig. 4, the left and right ends of the upper and lower edges of the floating nut plate 1 are respectively provided with an upward or downward convex portion to form an upper left limiting surface 11, an upper right limiting surface 12, a lower right limiting surface 13, and a lower left limiting surface 14. The floating nut plate and the limiting surface on the floating nut plate are also integrally formed by stamping and are integral stamping parts.

The eight limit structures and surfaces can realize the position floating of the floating nut plate 1 in the floating nut plate limit plate 2, as shown in fig. 2, the upper left limit surface 11 and the upper right limit surface 12 of the floating nut plate 1 are respectively arranged on the left side and the right side of the upper left hook-type limit 21 and the upper right hook-type limit 22 of the limit plate 2, the lower right limit surface 13 and the lower left limit surface 14 of the floating nut plate 1 are respectively arranged on the left side and the right side of the lower right hook-type limit 23 and the lower left hook-type limit 24 of the limit plate 2, the movable amount (namely the free floating amount) of the floating nut plate is left between the hook-type limit structures and the limit surfaces, the floating boundaries are the upper left limit surface 11, the upper right limit surface 12, the lower right limit surface 13 and the lower left limit surface 14 in the floating nut plate 1, the upper left hook-type limit 21, the upper right hook-type limit 22, the lower right hook-type limit 23 and the lower hook-type limit 23 in the floating nut plate limit plate 2, The lower left hook type limiting 24 and other structures realize the position adjustment of the lock pin 4, and the adjustable range is obtained according to the position of the door lock meshing port.

The nut plate 1 and the limiting plate 2 are respectively provided with a lock pin through hole for a lock pin to pass through, the lock pin through hole 25 on the limiting plate is larger than the lock pin hole 15 on the floating nut plate, and the larger part is the movable amount of the floating nut plate.

Referring to fig. 2, when installing the floating nut plate 1, first, the upper left hook type stopper 21 and the upper right hook type stopper 22 in the stopper plate 2 are pulled outward to make the floating nut plate 1 fit with the lower left hook type stopper 24 and the lower right hook type stopper 23 in the stopper plate 2 and the upper left stopper face 11, the upper right stopper face 12, the lower right stopper face 13 and the lower left stopper face 14 of the floating nut plate 1, then the upper left hook type stopper 21 and the upper right hook type stopper 22 in the stopper plate 2 are closed inward to prevent the floating nut plate 1 from falling out and can float freely, finally, the stopper plate 2 is spot-welded to the B-pillar hinge installation reinforcing plate 3 of the automobile with the help of a tooling fixture to be fixed, the lock pin 4 passes through the upper lock pin hole of the floating nut plate 1 and the stopper plate 2 by the inner hexagon countersunk head screw 5, and is installed by the lock washer assembly, see fig. 5 and 6.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.

Claims

1. A nut plate for a locking pin installation comprising a floating nut plate and a limit plate, the floating nut plate movably mounted on the limit plate and having its position of movement limited by a limit feature on the limit plate cooperating with a limit feature on the floating nut plate; the limiting plate is provided with a lock pin through hole capable of allowing a lock pin to penetrate through, the lock pin through hole is larger than a lock pin mounting hole in the floating nut plate, and the larger part is the movable amount of the floating nut plate.

2. A nut plate as defined in claim 1, being characterized in that said limiting structures provided on the limiting plate are hook-type limiting structures, which are provided in opposite up-down or left-right pairs, at least two pairs; the limiting structures arranged on the floating nut plate are limiting surfaces, and the limiting surfaces are arranged oppositely up and down or left and right, and are at least two pairs; when the hook-shaped limiting structures on the limiting plate are arranged up and down oppositely, one pair of limiting surfaces on the floating nut plate is arranged on the left side of one pair of hook-shaped limiting structures, the other pair of limiting surfaces is arranged on the right side of the other pair of hook-shaped limiting structures, and the movable amount of the floating nut plate is reserved between the two limiting surfaces; when the hook-type limiting structures on the limiting plate are oppositely arranged left and right, one pair of limiting surfaces on the floating nut plate is arranged on the upper sides of the hook-type limiting structures, the other pair of limiting surfaces is arranged on the lower sides of the other pair of hook-type limiting structures, and the movable amount of the floating nut plate is reserved between the two limiting surfaces.

3. A nut plate as defined in claim 2, being characterized in that said hook-type retention structure is an openable and closable structure.

4. A nut plate as defined in claim 3, being characterized in that said limiting plate and said hook-type limiting structure thereon are integrally formed by stamping as a one-piece stamping.

5. A nut plate as defined in claim 1 or 2, being characterized in that the stop surfaces on the floating nut plate are formed by upward or downward protrusions from the left and right ends of the upper and lower edges of the floating nut plate, or by leftward or rightward protrusions from the upper and lower ends of the left and right edges of the floating nut plate.

6. A nut plate as defined in claim 5, being characterized in that said floating nut plate and the stop surface thereon are integrally formed as a one-piece stamping by stamping.

7. A vehicle door latch pin mounting structure having a latch pin and a nut plate for latch pin mounting as claimed in claims 1 to 6, said limit plate being welded to a hinge mounting reinforcement on a vehicle pillar, said latch pin being mounted by a lock washer assembly through a floating nut and a latch pin through hole in the limit plate by means of a countersunk screw.