Anti-cracking sheet metal part structure
By setting up a crack-proof structure between the sheet metal parts with positioning mechanisms, sliding blocks, fixing frames and spring dampers, the collision problem caused by external impacts is solved and the service life is improved.
Patent Information
- Application Number
- CN202420341314.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-23
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-02-23
AI Technical Summary
During use, existing sheet metal parts are prone to collision due to external impact, which in turn cracks appear, affecting their service life.
A crack-proof sheet metal structure is designed, by providing a positioning mechanism, a sliding block, a fixing frame and a spring damper between the first sheet metal and the second sheet metal, these components are used to offset the external impact force to avoid direct collision.
It effectively avoids direct collision between sheet metal parts and prevents cracks from appearing, thereby improving the service life of sheet metal parts.
Smart Images
Figure CN222659933U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of anti-cracking of sheet metal parts, in particular to an anti-cracking sheet metal part structure. Background Art
[0002] Sheet metal is a comprehensive cold processing technology for thin metal plates, including shearing, punching / cutting / combining, folding, welding, riveting, splicing, forming (such as car body), etc. Its notable feature is that the thickness of the same part is consistent. Products processed by sheet metal technology are called sheet metal parts. The sheet metal parts referred to in different industries are generally different, and are mostly used for assembly;
[0003] When the existing sheet metal parts are in use, the sheet metal will inevitably be impacted by the outside world, resulting in collisions between the sheet metal parts. The sheet metal parts are prone to cracks due to the collisions between the sheet metal parts, which affects the normal use of the sheet metal parts and reduces the service life of the sheet metal parts.
[0004] To this end, we propose an anti-cracking sheet metal structure to solve the above problems. Utility Model Content
[0005] The purpose of the utility model is to provide an anti-cracking sheet metal structure to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-cracking sheet metal structure, comprising a first sheet metal and a second sheet metal, a positioning mechanism is arranged on the outside of the first sheet metal and the second sheet metal, the positioning mechanism comprises a bottom plate, two symmetrically distributed U-shaped plates are arranged just above the bottom plate, two symmetrically distributed sliding rods are fixedly arranged at both ends of the U-shaped plate, a fixing column is arranged at one end of the sliding rod away from the U-shaped plate, the sliding rod slides through the fixing column, a spring is arranged on the outside of the sliding rod, two ends of the spring are respectively fixedly installed on the side close to each other of the U-shaped plate and the fixing column, a connecting plate is fixedly arranged at one end of the sliding rod away from the U-shaped plate, and the outer surfaces of the first sheet metal and the second sheet metal are slidably matched with the outer surface of the U-shaped plate;
[0007] Four spring dampers are fixedly disposed at the four corners of the first sheet metal component and the second sheet metal component. Two symmetrically distributed fixing frames are fixedly disposed on the upper surface of the second sheet metal component. Sliding blocks are slidably disposed in the fixing frames.
[0008] Preferably, two symmetrically distributed first grooves are opened in the middle of the bottom plate, and two symmetrically distributed sliding blocks are fixedly provided on the lower surface of the U-shaped plate, and the sliding blocks are slidably arranged in the first grooves.
[0009] Preferably, two symmetrically distributed slide plates are fixedly provided on the lower surface of the connecting plate, four second grooves are opened in the middle of the bottom plate, and the bottoms of the slide plates are slidably arranged in the second grooves.
[0010] Preferably, the outer fixing sleeve of the fixing column is provided with an L-shaped plate, and the lower surface of the L-shaped plate is fixedly mounted to the upper surface of the bottom plate.
[0011] Preferably, four limiting blocks distributed in an array are fixedly provided on the four side walls of the sliding block, and four limiting grooves are opened on the inner wall of the fixed frame, and the limiting blocks are slidably arranged in the limiting grooves.
[0012] Preferably, a second buffer plate is fixedly provided on the inner lower surface of the limiting groove.
[0013] Preferably, first protective plates are fixedly provided on both sides of the first sheet metal component, and second protective plates are fixedly provided on both sides of the second sheet metal component.
[0014] Preferably, a first buffer plate is fixedly provided on the inner lower surface of the fixing frame.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] By providing a positioning mechanism, a sliding block, a fixed frame, and a spring damper, the external impact force on the first sheet metal component and the second sheet metal component is offset, thereby avoiding a direct collision between the first sheet metal component and the second sheet metal component, preventing cracks from occurring between the first sheet metal component and the second sheet metal component due to the collision, and improving the service life of the first sheet metal component and the second sheet metal component. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 It is a schematic diagram of the structure of the utility model.
[0019] Figure 2 It is a schematic diagram of the positioning mechanism structure in the utility model.
[0020] Figure 3 It is a structural schematic diagram of the spring damper in the utility model.
[0021] Figure 4 It is a schematic diagram of the structure after the fixed frame in the utility model is disassembled.
[0022] Figure 5 It is a schematic diagram of the structure of the first protective plate and the second protective plate in the utility model.
[0023] Figure 6 For this utility model Figure 2 Enlarged view of point A in the middle.
[0024] In the figure: 1. first sheet metal; 11. first protective plate; 2. second sheet metal; 21. second protective plate; 3. positioning mechanism; 31. bottom plate; 32. U-shaped plate; 33. slide bar; 34. spring; 35. fixed column; 36. connecting plate; 310. slider; 320. first groove; 330. slide plate; 340. second groove; 350. L-shaped plate; 4. spring damper; 5. fixed frame; 51. sliding block; 510. limiting block; 520. limiting groove; 530. first buffer plate; 540. second buffer plate. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] Example: Figure 1-6As shown, the utility model provides an anti-crack sheet metal structure, including a first sheet metal part 1 and a second sheet metal part 2, a positioning mechanism 3 is arranged outside the first sheet metal part 1 and the second sheet metal part 2, the positioning mechanism 3 includes a bottom plate 31, two symmetrically distributed U-shaped plates 32 are arranged just above the bottom plate 31, two symmetrically distributed sliding rods 33 are fixedly arranged at both ends of the U-shaped plate 32, a fixed column 35 is arranged at one end of the sliding rod 33 away from the U-shaped plate 32, the sliding rod 33 slides through the fixed column 35, a spring 34 is arranged outside the sliding rod 33, and the two ends of the spring 34 are respectively connected to the U-shaped plate 32 and the fixed column 35. The fixed columns 35 are fixedly installed on one side close to each other, and a connecting plate 36 is fixedly arranged at one end of the slide rod 33 away from the U-shaped plate 32. The outer surfaces of the first sheet metal part 1 and the second sheet metal part 2 are slidably matched with the outer surface of the U-shaped plate 32. Four spring dampers 4 are fixedly arranged at the four corners of the first sheet metal part 1 and the second sheet metal part 2. Two symmetrically distributed fixed frames 5 are fixedly arranged on the upper surface of the second sheet metal part 2, and a sliding block 51 is slidably arranged in the fixed frame 5. First, place the first sheet metal part 1 and the second sheet metal part 2 in the two U-shaped plates 32, and place the first sheet metal part 1 and the second sheet metal part 2 on the first sheet metal part 1 and the second sheet metal part 2. When the two U-shaped plates 32 are placed in the two U-shaped plates 32, the two U-shaped plates 32 move in the opposite direction, and the two U-shaped plates 32 drive the two sets of slide bars 33 to move in the opposite direction. During the process of the two sets of slide bars 33 moving in the opposite direction, the spring 34 contracts. Under the action of the elastic force of the spring 34, the two U-shaped plates 32 are tightly fitted with the first sheet metal part 1 and the second sheet metal part 2, so as to connect and position the first sheet metal part 1 and the second sheet metal part 2. When the first sheet metal part 1 and the second sheet metal part 2 are subjected to external impact force, the sliding block 51 slides in the fixed frame 5, and is used in conjunction with the spring damper 4. , thereby offsetting the external impact force on the first sheet metal part 1 and the second sheet metal part 2, avoiding a direct collision between the first sheet metal part 1 and the second sheet metal part 2; by setting the positioning mechanism 3, the sliding block 51, the fixed frame 5, and the spring damper 4, the external impact force on the first sheet metal part 1 and the second sheet metal part 2 is offset, avoiding a direct collision between the first sheet metal part 1 and the second sheet metal part 2, preventing cracks from occurring between the first sheet metal part 1 and the second sheet metal part 2 due to the collision, and improving the service life of the first sheet metal part 1 and the second sheet metal part 2.
[0027] Two symmetrically distributed first grooves 320 are opened in the middle of the bottom plate 31, and two symmetrically distributed sliders 310 are fixedly provided on the lower surface of the U-shaped plate 32, and the sliders 310 are slidably set in the first grooves 320; by setting the sliders 310 and the first grooves 320, the effect of limiting the U-shaped plate 32 is achieved, so that the U-shaped plate 32 can move stably, and the connection and positioning between the first sheet metal part 1 and the second sheet metal part 2 can be better performed.
[0028] Two symmetrically distributed slides 330 are fixedly provided on the lower surface of the connecting plate 36, and four second grooves 340 are opened in the middle of the bottom plate 31, and the bottom of the slide 330 is slidably set in the second groove 340; by setting the slide 330 and the second groove 340, the effect of limiting the slide rod 33 and the connecting plate 36 is achieved, so that the connecting plate 36 can drive the two slide rods 33 to move synchronously and stably.
[0029] The outer fixing sleeve of the fixing column 35 is provided with an L-shaped plate 350 , and the lower surface of the L-shaped plate 350 is fixedly installed with the upper surface of the bottom plate 31 ; by providing the L-shaped plate 350 , the effect of fixing and supporting the fixing column 35 is achieved.
[0030] Four limit blocks 510 distributed in an array are fixedly provided on the four side walls of the sliding block 51, and four limit grooves 520 are opened on the inner wall of the fixed frame 5, and the limit blocks 510 are slidably set in the limit grooves 520; by setting the limit blocks 510 and the limit grooves 520, the effect of limiting the sliding block 51 is achieved, so that the sliding block 51 can be stably raised and lowered in the fixed frame 5.
[0031] A second buffer plate 540 is fixedly disposed on the inner lower surface of the limiting groove 520 . The second buffer plate 540 is provided to prevent the limiting block 510 from colliding with the inner wall of the limiting groove 520 to generate vibration.
[0032] A first protective plate 11 is fixedly provided on both sides of the first sheet metal part 1, and a second protective plate 21 is fixedly provided on both sides of the second sheet metal part 2; by providing the first protective plate 11 and the second protective plate 21, the effect of protecting the two side walls of the first sheet metal part 1 and the second sheet metal part 2 is achieved.
[0033] A first buffer plate 530 is fixedly disposed on the inner lower surface of the fixed frame 5 . The first buffer plate 530 is disposed to prevent the sliding block 51 from colliding with the inner wall of the fixed frame 5 and generating vibration.
[0034] Working principle: First, place the first sheet metal part 1 and the second sheet metal part 2 in the two U-shaped plates 32. When the first sheet metal part 1 and the second sheet metal part 2 are placed in the two U-shaped plates 32, the two U-shaped plates 32 move in the opposite direction, and the two U-shaped plates 32 drive the two sets of slide bars 33 to move in the opposite direction. During the process of the two sets of slide bars 33 moving in the opposite direction, the spring 34 contracts. Under the action of the elastic force of the spring 34, the two U-shaped plates 32 are tightly fitted with the first sheet metal part 1 and the second sheet metal part 2, so as to connect and position the first sheet metal part 1 and the second sheet metal part 2. When the first sheet metal part 1 and the second sheet metal part 2 are subjected to external impact force, the sliding block 5 The first sheet metal part 1 and the second sheet metal part 2 slide in the fixing frame 5, and are used in conjunction with the spring damper 4 to offset the external impact force on the first sheet metal part 1 and the second sheet metal part 2, thereby avoiding a direct collision between the first sheet metal part 1 and the second sheet metal part 2; the positioning mechanism 3, the sliding block 51, the fixing frame 5, and the spring damper 4 are provided to offset the external impact force on the first sheet metal part 1 and the second sheet metal part 2, thereby avoiding a direct collision between the first sheet metal part 1 and the second sheet metal part 2, preventing cracks from occurring between the first sheet metal part 1 and the second sheet metal part 2 due to the collision, and improving the service life of the first sheet metal part 1 and the second sheet metal part 2.
[0035] 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. An anti-crack sheet metal structure, comprising a first sheet metal part (1) and a second sheet metal part (2), characterized in that: A positioning mechanism (3) is provided on the outside of the first sheet metal part (1) and the second sheet metal part (2), and the positioning mechanism (3) includes a bottom plate (31), and two symmetrically distributed U-shaped plates (32) are provided just above the bottom plate (31), and two symmetrically distributed sliding rods (33) are fixedly provided at both ends of the U-shaped plate (32), and a fixing column (35) is provided at one end of the sliding rod (33) away from the U-shaped plate (32), and the sliding rod (33) slides through the fixing column (35), and a spring (34) is provided on the outside of the sliding rod (33), and the two ends of the spring (34) are respectively fixedly installed on the side close to the U-shaped plate (32) and the fixing column (35), and a connecting plate (36) is fixedly provided at one end of the sliding rod (33) away from the U-shaped plate (32), and the outer surface of the first sheet metal part (1) and the second sheet metal part (2) is slidably matched with the outer surface of the U-shaped plate (32); Four spring dampers (4) are fixedly provided at the four corners of the first sheet metal part (1) and the second sheet metal part (2); two symmetrically distributed fixing frames (5) are fixedly provided on the upper surface of the second sheet metal part (2); and a sliding block (51) is slidably provided in the fixing frame (5).
2. The anti-cracking sheet metal structure according to claim 1, characterized in that: Two symmetrically distributed first grooves (320) are provided in the middle of the bottom plate (31), and two symmetrically distributed sliding blocks (310) are fixedly provided on the lower surface of the U-shaped plate (32), wherein the sliding blocks (310) are slidably arranged in the first grooves (320).
3. The anti-cracking sheet metal structure according to claim 1, characterized in that: Two symmetrically distributed slide plates (330) are fixedly provided on the lower surface of the connecting plate (36), four second grooves (340) are opened in the middle of the bottom plate (31), and the bottoms of the slide plates (330) are slidably arranged in the second grooves (340).
4. The anti-cracking sheet metal structure according to claim 1, characterized in that: The outer fixing sleeve of the fixing column (35) is provided with an L-shaped plate (350), and the lower surface of the L-shaped plate (350) is fixedly mounted on the upper surface of the bottom plate (31).
5. The anti-cracking sheet metal structure according to claim 2, characterized in that: Four limiting blocks (510) distributed in an array are fixedly arranged on the four side walls of the sliding block (51), and four limiting grooves (520) are opened on the inner wall of the fixed frame (5), and the limiting blocks (510) are slidably arranged in the limiting grooves (520).
6. The anti-cracking sheet metal structure according to claim 5, characterized in that: A second buffer plate (540) is fixedly provided on the inner lower surface of the limiting groove (520).
7. The anti-cracking sheet metal structure according to claim 1, characterized in that: First protective plates (11) are fixedly provided on both sides of the first sheet metal component (1), and second protective plates (21) are fixedly provided on both sides of the second sheet metal component (2).
8. The anti-cracking sheet metal structure according to claim 1, characterized in that: A first buffer plate (530) is fixedly provided on the inner lower surface of the fixing frame (5).