CN211945804U - Sheet metal connection structure for elevator that joint strength is good - Google Patents
Sheet metal connection structure for elevator that joint strength is good Download PDFInfo
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- CN211945804U CN211945804U CN202020409464.9U CN202020409464U CN211945804U CN 211945804 U CN211945804 U CN 211945804U CN 202020409464 U CN202020409464 U CN 202020409464U CN 211945804 U CN211945804 U CN 211945804U
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Abstract
The utility model relates to a sheet metal connection structure for elevator that joint strength is good. The existing sheet metal parts are all connected through rivets, and the connection strength is poor. The utility model discloses a first sheet metal component and second sheet metal component are equipped with first flat board portion on the first sheet metal component, are equipped with the flat board portion of second on the second sheet metal component, during the installation, the tight laminating of the flat board portion of first flat board portion and second is through synchronous punching press deformation lock joint assembly to make first sheet metal component and second sheet metal component realize the rigid coupling through lock joint assembly. Realize first sheet metal component and second sheet metal component rigid coupling through implementing synchronous punching press deformation, can promote the anti deformability and the anti fracture performance of lock joint component, can also promote the anti deformability and the anti fracture performance of lock joint component, promote the joint strength between first sheet metal component and second sheet metal component from this, prevent that the elevator from breaking away from and taking place the incident because of the sheet metal component of rigid coupling within a definite time, ensure safe in utilization and life.
Description
Technical Field
The utility model relates to an elevator field, concretely relates to sheet metal connection structure.
Background
Present elevator is with having used more sheet metal component, wear to put the rigid coupling through the rivet between adjacent sheet metal component when using, and this kind of structure has following defect: because the rivet is aluminium finished piece and diameter is less for can take place the condition of pine take off the separation easily because of rivet structural strength is not good enough between adjacent sheet metal component, both have the potential safety hazard, still influence life.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a sheet metal connection structure for elevator that joint strength is good forms lock joint assembly through synchronous punching press, effectively promotes the joint strength between first sheet metal component and second sheet metal component, both ensures safe in utilization, still increase of service life.
The utility model discloses a following mode realizes: the utility model provides a sheet metal connection structure for elevator that joint strength is good, is including first sheet metal component and the second sheet metal component that matches the rigid coupling, be equipped with the first flat board portion on the first sheet metal component, be equipped with the flat board portion of second on the second sheet metal component, during the installation, the tight laminating of the flat board portion of first flat board portion and second is through synchronous punching press deformation lock joint component to make first sheet metal component and second sheet metal component realize the rigid coupling through lock joint component. Synchronous punching press deformation is implemented through the first flat board portion and the second flat board portion to the superpose to this lock joint assembly who forms the first sheet metal component of rigid coupling and second sheet metal component, can utilize the structural strength of sheet metal component self material to promote lock joint assembly's anti deformability and anti fracture performance, can also utilize lock joint assembly's profile structure to promote lock joint assembly's anti deformability and anti fracture performance, promote the joint strength between first sheet metal component and second sheet metal component from this, prevent that the elevator from breaking away from and taking place the incident because of the sheet metal component of rigid coupling, ensure safe in utilization and life.
Preferably, the first flat plate portion and the second flat plate portion are deformed in the same direction to form the fastening assembly, and the fastening assembly comprises a fastening groove and a fastener which are respectively arranged on the first flat plate portion and the second flat plate portion and can be matched with fastening. The first flat plate part and the second flat plate part deform synchronously towards the same direction, so that the fastener is ensured to be tightly inserted into the fastener, and the connection strength of the fastening assembly is improved.
Preferably, the first flat plate portion is recessed toward the side wall surface of the second flat plate portion to form the fastening groove, and the second flat plate portion is raised toward the side wall surface of the first flat plate portion to form the fastening piece, and the fastening piece is tightly inserted into the fastening groove. The notch of catching groove sets up towards the fastener, ensures that first flat board portion closely laminates with the flat board portion of second when the fastener inserts the catching groove, promotes connection stability through increasing area of contact, ensures that relative position is fixed between first sheet metal component and second sheet metal component.
Preferably, the fastener is cylindrical, the outline of the cavity of the fastening groove is matched with the outline of the fastener, and after the fastener is installed in place, the outer wall of the fastener is tightly attached to the groove wall of the fastening groove. The cross section of fastener and catching groove all is circular, both makes things convenient for punching press deformation, still has better anti deformability, guarantees both inseparable lock joints through the deformation range that reduces fastener and catching groove, and then promotes the joint strength between first sheet metal component and second sheet metal component.
Preferably, the catching groove is in a small-opening large-cavity shape, and the periphery of the bottom of the groove cavity of the catching groove is sunken to form a limiting ring groove. The fastener is simultaneously closely attached to the catching groove and the limiting ring groove, and the limiting ring groove is arranged in the catching groove to play a role in preventing the fastener from being separated from the catching groove.
Preferably, a rib is provided on a wall surface of the first flat plate portion facing away from the second flat plate portion, and an axial projection of the groove wall of the catching groove overlaps with the rib. The strengthening rib forms with the synchronous punching press of fastening components, plays the effect of reinforcing catching groove cell wall structural strength, prevents that the catching groove from leading to the fastener to take place the condition of pine to take off because of the atress deformation. The axial projection of the groove wall of the buckling groove and the reinforcing ribs are mutually overlapped, when the buckling groove is formed, the wall surface of the first flat plate part, which is back to the side of the second flat plate part, is provided with a bulge matched with the buckling groove, and the reinforcing ribs are arranged on the end surface of the bulge to ensure that the buckling groove tightly wraps the fastener.
Preferably, the fastener is provided with a punched hole which is opened back to the first flat plate and is formed by punching, and each region of a wall surface of the punched hole is provided with the same thickness. The second flat plate is stressed laterally and is extruded to form the fastener with the punched hole, so that additional raw materials are not needed, and the processing is convenient.
Preferably, at least two sets of fastening components are arranged between the first flat plate part and the second flat plate part. Set up two or above buckle components, can promote joint strength, still play the rotation limiting effect, prevent to take place the skew between first sheet metal component and second sheet metal component.
Preferably, the first sheet metal part is provided with at least two first flat plates, and the second sheet metal part is provided with at least two second flat plates. Can set up the first flat board portion and the second flat board portion that the multiunit corresponds one by one between first sheet metal component and second sheet metal component, promote connection stability through increasing buckle subassembly quantity. In addition, the first sheet metal part can be fixedly connected with different second sheet metal parts through a plurality of first flat plate parts, so that the plurality of sheet metal parts are fixedly connected.
Preferably, the first sheet metal part is a door head body, and the second sheet metal part is a seal head reinforcing plate; or the first sheet metal part is a top edge flanging of the door panel, and the second sheet metal part is a side edge flanging of the door panel. The sheet metal parts needing to be fixedly connected on the elevator can be fixedly connected through the fastening assembly, so that the production cost is reduced, the processing efficiency is improved, and the service life of parts is prolonged.
The utility model has the advantages that: synchronous punching press deformation is implemented through the first flat board portion and the second flat board portion to the superpose to this lock joint assembly who forms the first sheet metal component of rigid coupling and second sheet metal component, can utilize the structural strength of sheet metal component self material to promote lock joint assembly's anti deformability and anti fracture performance, can also utilize lock joint assembly's profile structure to promote lock joint assembly's anti deformability and anti fracture performance, promote the joint strength between first sheet metal component and second sheet metal component from this, prevent that the elevator from breaking away from and taking place the incident because of the sheet metal component of rigid coupling, ensure safe in utilization and life.
Drawings
FIG. 1 is a schematic cross-sectional view of the fastening assembly;
FIG. 2 is a schematic view of the fastening assembly shown in disassembled configuration;
in the figure: 1. first sheet metal component, 2, second sheet metal component, 3, first flat board portion, 4, the flat board portion of second, 5, catching groove, 6, fastener, 7, spacing annular, 8, strengthening rib, 9, punching press hole.
Detailed Description
The essential features of the invention will be further explained below with reference to the drawings and the detailed description of the invention.
As shown in fig. 1 and 2, the sheet metal connecting structure for the elevator with good connecting strength is composed of a first sheet metal part 1 and a second sheet metal part 2 which are fixedly connected in a matching mode, wherein the first sheet metal part 1 is provided with a first flat plate part 3, the second sheet metal part 2 is provided with a second flat plate part 4, and during installation, the first flat plate part 3 and the second flat plate part 4 are tightly attached to each other and are deformed through synchronous stamping to form a fastening assembly, so that the first sheet metal part 1 and the second sheet metal part 2 are fixedly connected through the fastening assembly. Specifically, with the first flat board portion 3 and the second flat board portion 4 that correspond on first sheet metal component 1 and the second sheet metal component 2 match the laminating and form the lock joint component through the punching press mode, with this realize first sheet metal component 1 and the 2 rigid couplings of second sheet metal component, both effectively utilize first sheet metal component 1 and the anti deformability that the second sheet metal component 2 self material promoted lock joint component, can also promote anti deformability through lock joint component's shape, again can promote anti deformability through the lock joint compactness that promotes lock joint component, promote the relative position between first sheet metal component 1 and the second sheet metal component 2 from this and keep unchangeable, ensure safe in utilization and life.
In actual operation, the first flat plate portion 3 and the second flat plate portion 4 are deformed in the same direction to form the fastening assembly, and the fastening assembly comprises a fastening groove 5 and a fastening piece 6 which are respectively arranged on the first flat plate portion 3 and the second flat plate portion 4 and can be matched with fastening. Specifically, first, the first sheet metal part 1 and the second sheet metal part 2 are assembled in a preset posture, so that the corresponding first flat plate part 3 and the corresponding second flat plate part 4 are superposed and attached; thereafter, the first and second flat plate portions 3 and 4, which are stacked, are subjected to a punching operation using a punching apparatus, and a punching force is applied perpendicularly to the first and second flat plate portions 3 and 4, ensuring that the punched snaps 6 can be inserted into the punched catching grooves 5. The number of the buckling assemblies is increased by repeating the steps, and then the connection strength between the first sheet metal part 1 and the second sheet metal part 2 is improved.
In practice, the punching device comprises a punch and a slot, the punch impacts the second plate portion 4 in a vertical direction, so that the second plate portion 4 forms the fastening member 6 by deformation, and at the same time, the raised fastening member 6 abuts on the first plate portion 3, so that the first plate portion 3 forms the slot 5. Because catching groove 5 is formed by the extrusion of fastener 6 for fastener 6 closely laminates with the cell wall of catching groove 5 all the time, ensures closely laminating between catching groove 5 and fastener 6 after accomplishing stamping process, avoids both to take place the deformation through reducing the gap between the two, ensures the rigid coupling effect.
In actual operation, first flat board portion 3 and second flat board portion 4 all have smooth surface, realize both levelly and smoothly amalgamations under the fastening components effect, both promote the relative position between first sheet metal component 1 and second sheet metal component 2 through increasing area of contact, can also provide operating space for punching press fastening components. Specifically, be equipped with the fastening components that at least two sets of components put between first flat board portion 3 and second flat board portion 4, effectively prevent the circumstances that takes place relative rotation between first flat board portion 3 and second flat board portion 4, play the effect that prevents fastening components pine and take off through circumference restriction.
In practical operation, the first sheet metal part 1 is provided with at least two first flat plates 3, and the second sheet metal part 2 is provided with at least two second flat plates 4. Can set up the first flat board portion 3 and the second flat board portion 4 that the multiunit corresponds between first sheet metal component 1 and second sheet metal component 2, for example set up first flat board portion 3 respectively at the head and the tail of first sheet metal component 1, the corresponding second flat board portion 4 rigid coupling on the second sheet metal component 2 of one side ensures both firm connections. In addition, the first sheet metal part 1 can realize the fixed connection with the second flat plate part 4 formed by different second sheet metal parts 2 by arranging a plurality of first flat plate parts 3, and the fixed connection of the plurality of sheet metal parts is ensured in sequence. Specifically, first sheet metal component 1, second sheet metal component 2 do not refer in particular to a sheet metal component for certain elevator, but generally refer to the sheet metal component of arbitrary needs rigid coupling, as long as the rigid coupling is realized to the lock joint subassembly that forms through the punching press between the sheet metal component, all should regard as the utility model discloses a specific embodiment. For example: the first sheet metal part 1 is a door head body, and the second sheet metal part 2 is a seal head reinforcing plate; or, the first sheet metal part 1 is a top edge flanging of the door panel, the second sheet metal part 2 is a side edge flanging of the door panel, the top edge of the door panel is turned downwards to form the top edge flanging, the side edge of the door panel is turned inwards to form the side edge flanging, and the end part of the top edge flanging is fixedly connected with the top part of the side edge flanging through a fastening component formed by stamping.
In practical operation, the first flat plate part 3 is recessed toward the side wall of the second flat plate part 4 to form the buckling groove 5, the second flat plate part 4 is raised toward the side wall of the first flat plate part 3 to form the buckling piece 6, and the buckling piece 6 is tightly inserted into the buckling groove 5. The profile of the cavity of the catching groove 5 is formed by extruding the fastener 6, the profile of the fastener 6 is determined by a punch inserted into the punching hole 9, the acting force on the punch is transmitted to the catching groove in sequence along the sequence of the fastener 6 and the catching groove 5, so that the fastener 6 is tightly attached to the catching groove 5, and the profile of the cavity of the catching groove 5 meets the preset requirement.
In this embodiment, the fastener 6 is provided with a punched hole 9 formed by punching and opened to the back of the first flat plate 3, and the wall surface of the punched hole 9 is provided with an equal thickness in each region. The fastener 6 is cylindrical, the outline of the cavity of the fastening groove 5 is matched with the outline of the fastener 6, and after the fastener is installed in place, the outer wall of the fastener 6 is tightly attached to the groove wall of the fastening groove 5. The punch is circular, so that the punch can be uniformly stressed in four directions, the arrangement of all areas on the wall surface of the punching hole 9 is ensured, and the areas of the fastener 6 are ensured to have balanced deformation resistance.
In this embodiment, the catching groove 5 is a small-mouth large-cavity shape, and the bottom periphery of the catching groove 5 cavity forms a limiting ring groove 7 through a recess. The tip diameter of fastener 6 is greater than the root diameter for fastener 6 closely fills in catching groove 5, utilizes the anti deformability of catching groove 5 notch to play the effect that the staple bolt pressed from both sides tight fastener 6, prevents that fastener 6 from taking place to break away from the condition of catching groove 5.
In this embodiment, a rib 8 is provided on a wall surface of the first flat plate 3 facing away from the second flat plate 4, and an axial projection of a groove wall of the catching groove 5 overlaps with the rib 8. The first flat plate part 3 is driven to be pressed to form the reinforcing rib 8 by arranging the prefabricated groove on the punching groove, so that the processing is convenient, and the deformation resistance of the buckling groove 5 is effectively improved.
Claims (10)
1. The utility model provides a sheet metal connection structure for elevator that joint strength is good, is including first sheet metal component (1) and second sheet metal component (2) that match the rigid coupling, its characterized in that, be equipped with first flat board (3) on first sheet metal component (1), be equipped with flat board (4) of second on second sheet metal component (2), during the installation, closely laminate and through synchronous punching press deformation lock joint component first flat board (3) and second flat board (4) to make first sheet metal component (1) and second sheet metal component (2) realize the rigid coupling through lock joint component.
2. The metal plate connecting structure with good connection strength for the elevator according to claim 1, wherein the first flat plate portion (3) and the second flat plate portion (4) are deformed in the same direction to form the fastening component, and the fastening component comprises a fastening groove (5) and a fastening piece (6) which are respectively arranged on the first flat plate portion (3) and the second flat plate portion (4) and can be matched with each other for fastening.
3. The metal plate connecting structure with good connecting strength for the elevator according to claim 2, wherein the first flat plate part (3) is recessed towards the side wall surface of the second flat plate part (4) to form the buckle groove (5), the second flat plate part (4) is raised towards the side wall of the first flat plate part (3) to form the fastener (6), and the fastener (6) is tightly inserted in the buckle groove (5).
4. The metal plate connecting structure with good connection strength for the elevator as recited in claim 2, wherein the fastener (6) is cylindrical, the contour of the cavity of the fastening groove (5) is matched with the contour of the fastener (6), and after the metal plate connecting structure is installed in place, the outer wall of the fastener (6) is tightly attached to the groove wall of the fastening groove (5).
5. The metal plate connecting structure with good connecting strength for the elevator according to claim 4, wherein the buckling groove (5) is in a small-mouth large-cavity shape, and a limiting ring groove (7) is formed by sinking the periphery of the bottom of the groove cavity of the buckling groove (5).
6. The metal plate connecting structure with good connecting strength for the elevator as recited in claim 2, wherein the wall surface of the first flat plate part (3) facing away from the second flat plate part (4) is provided with a reinforcing rib (8), and the axial projection of the groove wall of the catching groove (5) and the reinforcing rib (8) are mutually overlapped.
7. The metal plate connecting structure with good connecting strength for the elevator according to claim 2, wherein a stamping hole (9) which is formed by stamping and is back to the first flat plate part (3) is arranged in the fastener (6), and all areas of the wall surface of the stamping hole (9) are arranged in the same thickness.
8. The metal plate connecting structure for the elevator with good connecting strength according to any one of claims 1 to 7, wherein at least two sets of fastening components are arranged between the first flat plate part (3) and the second flat plate part (4).
9. The metal plate connecting structure with good connecting strength for the elevator according to claim 8, wherein the first metal plate part (1) is provided with at least two first flat plate parts (3); or at least two second flat plate parts (4) are arranged on the second sheet metal part (2).
10. The sheet metal connecting structure with good connecting strength for the elevator according to claim 8, wherein the first sheet metal part (1) is a door head body, and the second sheet metal part (2) is a seal head reinforcing plate; or the first sheet metal part (1) is a flanging of the top edge of the door panel, and the second sheet metal part (2) is a flanging of the side edge of the door panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020409464.9U CN211945804U (en) | 2020-03-26 | 2020-03-26 | Sheet metal connection structure for elevator that joint strength is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020409464.9U CN211945804U (en) | 2020-03-26 | 2020-03-26 | Sheet metal connection structure for elevator that joint strength is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211945804U true CN211945804U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020409464.9U Active CN211945804U (en) | 2020-03-26 | 2020-03-26 | Sheet metal connection structure for elevator that joint strength is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211945804U (en) |
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2020
- 2020-03-26 CN CN202020409464.9U patent/CN211945804U/en active Active
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