Precise sheet metal part connecting and reinforcing structure

Abstract

The utility model discloses a precise sheet metal part connecting and reinforcing structure which comprises a first sheet metal part, a second sheet metal part and a connecting bolt, the second sheet metal part is embedded and inserted in the right side of the first sheet metal part, and the top of the first sheet metal part is embedded and penetrates through the second sheet metal part to be in threaded connection with the connecting bolt; the reinforcing connection structure comprises a first sheet metal part and a second sheet metal part, a connecting groove is formed in the connecting end face of the first sheet metal part, a limiting clamping groove is formed in the inner wall of the connecting groove, and a threaded groove is formed in the bottom end, penetrating through the inner wall of the connecting groove, of the top of the first sheet metal part. The two sheet metal parts are stably limited, fixedly connected and used, the top end faces of the two connected sheet metal parts are smooth and attractive, and certain practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal connection structures, in particular to a precision sheet metal connection reinforcement structure. Background Art

[0002] Precision sheet metal parts are products processed by sheet metal technology. We cannot live without sheet metal parts in our lives. Sheet metal parts are made by filament power winding, laser cutting, heavy processing, metal bonding, metal drawing, plasma cutting, precision welding, roll forming, metal sheet bending, die forging, and water jet cutting. With the increasing application of sheet metal, the design of sheet metal parts has become a very important part of the product development process. The connection reinforcement structure used in the splicing of existing precision sheet metal parts is mostly connected by bolts.

[0003] The above sheet metal connection reinforcement structure does not have a reinforcement connection structure that can improve the mutual limiting and precise connection of the sheet metal parts, and cannot achieve the stable limiting and fixed connection of the two sheet metal parts and cannot ensure that the top end surfaces of the two connected sheet metal parts are flat and beautiful;

[0004] Therefore, it is particularly important to design a precision sheet metal connection reinforcement structure to solve the above-mentioned defects. Utility Model Content

[0005] 1) Technical problems to be solved by the utility model

[0006] In view of the shortcomings of the prior art, the utility model designs a precision sheet metal connection reinforcement structure, which solves the technical problems in the prior art that there is no reinforced connection structure that can improve the mutual limiting and precise connection of sheet metal parts, and that the stable limiting and fixed connection of two sheet metal parts cannot be achieved and the top end surfaces of the two connected sheet metal parts cannot be guaranteed to be flat and beautiful.

[0007] 2) Technical solution

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A precision sheet metal connection reinforcement structure comprises a first sheet metal part, a second sheet metal part and a connecting bolt, wherein the second sheet metal part is embedded and inserted into the right side of the first sheet metal part, and the top of the first sheet metal part is embedded and penetrates the second sheet metal part and is threadedly connected with the connecting bolt;

[0010] The connecting end face of the first sheet metal part is provided with a connecting groove, the inner wall of the connecting groove is provided with a limiting slot, the top of the first sheet metal part passes through the bottom end of the inner wall of the connecting groove and is provided with a threaded groove, the connecting end face of the first sheet metal part is fixedly connected with an insert on the upper and lower sides of the connecting groove, the inner side of the insert close to the connecting groove is embedded with a first telescopic clip, and the outer side of the insert away from the connecting groove is embedded with a second telescopic clip.

[0011] As a preferred solution of the utility model, a connecting protrusion whose size matches the connecting groove is installed on the connecting end surface of the second sheet metal part, and a limiting clamp whose size matches the limiting clamp groove is fixedly installed on the connecting end surface of the connecting protrusion, and a threaded through hole is opened at the top of the connecting protrusion corresponding to the threaded groove.

[0012] As a preferred solution of the utility model, the sizes of the thread groove and the threaded through hole match to install the connecting bolt.

[0013] As a preferred solution of the utility model, the connecting end surface of the second sheet metal part is provided with two insertion grooves whose sizes match the installation insertion parts, a first clamping hole is opened between the adjacent sides of the two insertion grooves, a sealing pressure hole is opened inside the insertion groove on the side of the top of the second sheet metal part close to the connecting protrusion one, and a second clamping hole is opened inside the insertion groove on the side of the top and bottom of the second sheet metal part away from the connecting protrusion.

[0014] As a preferred solution of the utility model, the size of the first card hole matches the first telescopic card part, and the size of the second card hole matches the second telescopic card part. The first telescopic card part and the second telescopic card part are both composed of a telescopic rod and a card block with a return spring.

[0015] As a preferred solution of the utility model, a sealing pressing piece is clamped inside the sealing pressing hole.

[0016] 3) Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model is designed that the first sheet metal part has a connection groove with a limit card slot and the second sheet metal part is provided with a limit card, which is convenient for the mutual limit connection of the two sheet metal parts, and the two sheet metal parts are tightly locked and assembled by setting a connecting bolt. At the same time, the first sheet metal part has a plug-in part with a first telescopic card and a second telescopic card, and the second sheet metal part is provided with a plug-in slot and has a first clamping hole and a second clamping hole, which is convenient for the plug-in part and the plug-in slot to be plugged into each other. At the same time, the first telescopic card and the second telescopic card on the plug-in part are respectively clamped into the first clamping hole and the second clamping hole, thereby strengthening the stable limit fixed connection of the two sheet metal parts.

[0019] Secondly, the first clamping hole is opened by through-processing the designed sealing pressure hole, and the sealing pressure piece is installed at the sealing pressure hole to ensure the flatness of the top surface of the second sheet metal part;

[0020] In addition, the designed connecting bolts are flush with the top surface of the first sheet metal part and embedded in the assembled first sheet metal part. At the same time, the end surface of the block of the second telescopic clamp is horizontally aligned with the top surface of the second sheet metal part, so that the connection between the two sheet metal parts is precise and the top end surface is flat and beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall connected three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the overall connection internal structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the internal structure of the first sheet metal component and the second sheet metal component of the utility model;

[0024] Figure 4 This is a top view of the first sheet metal component and the second sheet metal component of the utility model.

[0025] In the figure: 1. first sheet metal part; 11. connecting groove; 111. limiting card slot; 112. threaded groove; 12. plug-in part; 13. first telescopic card part; 14. second telescopic card part; 2. second sheet metal part; 21. connecting protrusion; 211. limiting card part; 212. threaded through hole; 22. plug-in slot; 23. first card hole; 24. second card hole; 25. sealing pressure hole; 26. sealing pressure part; 3. connecting bolt. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0027] Example:

[0028] The embodiment of the utility model provides a precision sheet metal connection reinforcement structure, which solves the technical problems that the prior art does not have a reinforcement connection structure that can improve the mutual limiting and precise connection of sheet metal parts, cannot achieve stable limiting and fixed connection of two sheet metal parts, and cannot ensure that the top end surfaces of the two connected sheet metal parts are flat and beautiful;

[0029] See also Figure 1-Figure 4, the utility model provides a technical solution:

[0030] A precision sheet metal connection reinforcement structure comprises a first sheet metal part 1, a second sheet metal part 2 and a connecting bolt 3, wherein the second sheet metal part 2 is embedded and inserted into the right side of the first sheet metal part 1, and the top of the first sheet metal part 1 is embedded and penetrates the second sheet metal part 2 and is threadedly connected with the connecting bolt 3;

[0031] Among them, see Figure 1 , Figure 2 , Figure 3 and Figure 4 In this embodiment, the specific structure of the first sheet metal part 1 is as follows:

[0032] A connecting groove 11 is provided on the connecting end face of the first sheet metal part 1, a limiting groove 111 is provided on the inner wall of the connecting groove 11, a threaded groove 112 is provided on the bottom end of the inner wall of the top of the first sheet metal part 1 that passes through the connecting groove 11, an insert 12 is fixedly connected to the connecting end face of the first sheet metal part 1 and is located on the upper and lower sides of the connecting groove 11, a first telescopic clip 13 is embedded and installed on the inner side of the insert 12 close to the connecting groove 11, and a second telescopic clip 14 is embedded and installed on the outer side of the insert 12 away from the connecting groove 11.

[0033] Further, a connecting protrusion 21 whose size matches the connecting groove 11 is installed on the connecting end surface of the second sheet metal part 2, and a limiting clamp 211 whose size matches the limiting clamping groove 111 is fixedly installed on the connecting end surface of the connecting protrusion 21, and a threaded through hole 212 is provided at the top of the connecting protrusion 21 corresponding to the threaded groove 112, and the threaded groove 112 and the threaded through hole 212 are matched in size to install a connecting bolt 3, and the connecting groove 11 with the limiting clamping groove 111 of the first sheet metal part 1 is designed to cooperate with the limiting clamp 21 with the limiting clamp 211 of the second sheet metal part 2, so that the two sheet metal parts are conveniently connected to each other in a limited manner, and the two sheet metal parts are tightly locked and assembled by setting the connecting bolt 3;

[0034] Furthermore, the connecting end surface of the second sheet metal part 2 is provided with two insertion grooves 22 of matching sizes for installing the insertion part 12, a first clamping hole 23 is opened between the adjacent sides of the two insertion grooves 22, a sealing pressure hole 25 is opened in the inside of the insertion groove 22 on the side of the top of the second sheet metal part 2 close to the connecting protrusion 21, and a second clamping hole 24 is opened in the inside of the insertion groove 22 on the top and bottom of the second sheet metal part 2 away from the connecting protrusion 21. At the same time, the insertion part 12 having the first telescopic clamp 14 and the second telescopic clamp 15 on the first sheet metal part 11 cooperates with the insertion groove 22 provided with the first clamping hole 23 and the second clamping hole 24 on the second sheet metal part 2, so that the insertion part 12 and the insertion groove 22 are conveniently inserted into each other, and at the same time, the first telescopic clamp 14 and the second telescopic clamp 15 on the insertion part 12 are respectively clamped into the first clamping hole 23 and the second clamping hole 24, thereby strengthening the stable limiting fixed connection use of the two sheet metal parts;

[0035] Furthermore, the size of the first clamping hole 23 matches the first telescopic clamping part 13, and the size of the second clamping hole 24 matches the second telescopic clamping part 14. The first telescopic clamping part 13 and the second telescopic clamping part 14 are both composed of a telescopic rod and a clamping block with a return spring. The sealing pressure hole 25 is clamped with a sealing pressure part 26 inside. The first clamping hole is opened by through-processing at the designed sealing pressure hole, and the sealing pressure part 26 is installed at the sealing pressure hole 25 to ensure the flatness of the top surface of the second sheet metal part 2. At the same time, the designed connecting bolt 3 is flush with the top surface of the first sheet metal part 1 and embedded in the assembly of the first sheet metal part 1 and the second sheet metal part 2. At the same time, the end face of the clamping block of the second telescopic clamping part 14 is horizontally aligned with the top surface of the second sheet metal part 2, so that the connection between the two sheet metal parts is precise and the top end surface is flat and beautiful.

[0036] The working process of the utility model: when using sheet metal parts with a connection reinforcement structure for connection, firstly, the connection groove 11 with a limiting card groove 111 of the first sheet metal part 1 is designed to cooperate with the second sheet metal part 2 to set a limiting card part 21 with a limiting card part 211, so as to facilitate the mutual limiting connection of the two sheet metal parts, and the two sheet metal parts are tightly locked and assembled by setting a connecting bolt 3, and then the first sheet metal part 11 has a plug-in part 12 with a first telescopic card part 14 and a second telescopic card part 15 to cooperate with the second sheet metal part 2 to set an insertion groove 22 with a first clamping hole 23 and a second clamping hole 24, so as to facilitate the mutual insertion of the plug-in part 12 and the insertion groove 22, and at the same time, the first telescopic card part 14 and the second telescopic card part 15 on the plug-in part 12 are respectively clamped into the first clamping hole 23 and the second clamping hole 2 4, thereby strengthening the stable limiting fixed connection of the two sheet metal parts, and by setting a sealing pressure piece 26 installed at the sealing pressure hole 25, it is convenient to ensure the flatness of the top surface of the second sheet metal part 2, and at the same time, the designed connecting bolt 3 is flush with the top surface of the first sheet metal part 1 and embedded in the assembly of the first sheet metal part 1 and the second sheet metal part 2, and at the same time, the block end face of the second telescopic clamp 14 is horizontally aligned with the top surface of the second sheet metal part 2, so that the connection between the two sheet metal parts is precise and the top end faces are smooth and beautiful, and the whole operation process is simple and convenient. Compared with the existing sheet metal connection structure, the utility model can improve the mutual limiting and precise connection of the sheet metal parts through the design of the reinforced connection structure, realize the stable limiting fixed connection of the two sheet metal parts, and the top end faces of the two connected sheet metal parts are smooth and beautiful, which has certain practicality.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precision sheet metal connection reinforcement structure, comprising a first sheet metal part (1), a second sheet metal part (2) and a connecting bolt (3), characterized in that: A second sheet metal part (2) is embedded and inserted into the right side of the first sheet metal part (1), and a connecting bolt (3) is embedded in the top of the first sheet metal part (1) and penetrates through the second sheet metal part (2) and is threadedly connected; The connecting end surface of the first sheet metal part (1) is provided with a connecting groove (11), the inner wall of the connecting groove (11) is provided with a limiting groove (111), the top of the first sheet metal part (1) passes through the bottom end of the inner wall of the connecting groove (11) and is provided with a threaded groove (112), the connecting end surface of the first sheet metal part (1) is fixedly connected with an insert (12) at the upper and lower sides of the connecting groove (11), the inner side of the insert (12) close to the connecting groove (11) is embedded with a first telescopic clamp (13), and the outer side of the insert (12) away from the connecting groove (11) is embedded with a second telescopic clamp (14).

2. The precision sheet metal connection reinforcement structure according to claim 1, characterized in that: A connecting protrusion (21) whose size matches the connecting groove (11) is installed on the connecting end surface of the second sheet metal part (2); a limiting clamp (211) whose size matches the limiting clamp groove (111) is fixedly installed on the connecting end surface of the connecting protrusion (21); and a threaded through hole (212) is provided at the top of the connecting protrusion (21) corresponding to the threaded groove (112).

3. The precision sheet metal connection reinforcement structure according to claim 2, characterized in that: The sizes of the thread groove (112) and the threaded through hole (212) match each other to install the connecting bolt (3).

4. The precision sheet metal connection reinforcement structure according to claim 2, characterized in that: The connecting end surface of the second sheet metal component (2) is provided with two insertion grooves (22) whose sizes match those of the mounting insert (12); a first clamping hole (23) is provided between adjacent sides of the two insertion grooves (22); a sealing pressure hole (25) is provided through the insertion groove (22) on the top side of the second sheet metal component (2) close to the connecting protrusion (21); and a second clamping hole (24) is provided through the insertion groove (22) on the top and bottom side of the second sheet metal component (2) away from the connecting protrusion (21).

5. The precision sheet metal connection reinforcement structure according to claim 4, characterized in that: The size of the first clamping hole (23) matches the size of the first telescopic clamping member (13), and the size of the second clamping hole (24) matches the size of the second telescopic clamping member (14). Both the first telescopic clamping member (13) and the second telescopic clamping member (14) are composed of a telescopic rod and a clamping block on which a return spring is sleeved.

6. The precision sheet metal connection reinforcement structure according to claim 4, characterized in that: A sealing pressing piece (26) is clamped inside the sealing pressing hole (25).

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