Z-shaped purline end connecting device
By setting rectangular holes, screws, gaskets and protective boxes at the ends of Z-shaped purlins, the problems of waste and rust in traditional Z-shaped purlin connections are solved, and a tighter and more stable purlin connection is achieved.
Patent Information
- Application Number
- CN202422428994.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-09
AI Technical Summary
The traditional Z-type purlin connection method results in waste of end overlap and rust of bolts, affecting the stability of the connection.
A Z-shaped purlin end connection device is designed. By setting rectangular holes, screws, gaskets, fixing plates and protective boxes at the ends of the purlins, horizontal connection of the purlins is achieved, and the screws are placed inside the protective box to avoid repeated overlap waste and bolt rust.
It effectively avoids repeated waste of purlin connections and bolt rust, and improves the tightness and stability of the connection.
Smart Images
Figure CN223151504U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of end connection of Z-shaped purlins, and specifically to an end connection device for Z-shaped purlins. Background Technique
[0002] The Z-shaped purlin is a building material with a "Z"-shaped cross-section, mainly used for purlins in steel structure buildings, especially suitable for purlins on roofs with large slopes. Its structural design enables the Z-shaped purlin to have high bearing capacity and stability, and can effectively resist external loads. At the same time, the two flanges of the Z-shaped purlin are parallel to each other, which is convenient for connecting with other purlins, support frames, etc., improving the construction efficiency. In addition, the Z-shaped purlin also has excellent mechanical properties and corrosion resistance, and can meet the requirements of various complex building structures, and is widely used in industrial plants, warehouses, large public buildings and other fields.
[0003] The traditional connection method of Z-shaped purlins is to overlap the ends one on top of the other, and then use multiple groups of bolt fastening components to fix the two purlins to the purlin support plate. As a result, the overlapping length of the Z-shaped purlins is wasted, and the bolts are directly exposed on the outside after being fastened, which is prone to rust and affect the stability of the connection of the Z-shaped purlins. Therefore, new technical solutions need to be designed to solve this problem. Content of the Utility Model
[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, adapt to the actual needs, and provide an end connection device for Z-shaped purlins to solve the technical problems that the current connection method of Z-shaped purlins is to overlap the ends one on top of the other, and then use multiple groups of bolt fastening components to fix the two purlins to the purlin support plate, resulting in waste of the overlapping length of the Z-shaped purlins, and the bolts are directly exposed on the outside after being fastened, which is prone to rust and affect the stability of the connection of the Z-shaped purlins.
[0005] To achieve the purpose of the utility model, the technical solution adopted by the utility model is: design an end connection device for Z-shaped purlins, including a first Z-shaped purlin and a second Z-shaped purlin. Rectangular holes are opened at the four corners of one end of the first Z-shaped purlin and the second Z-shaped purlin. A fixing plate is arranged at the connection of the first Z-shaped purlin and the second Z-shaped purlin. Screws are arranged at the four corners of one end of the fixing plate. Nuts are threadedly sleeved on the outside of the four screws. Washers are slidably sleeved on the outside of the four screws. A protective box is arranged at the end far from the fixing plate where the first Z-shaped purlin and the second Z-shaped purlin are connected, and the protective box is sleeved on the outside of the four washers.
[0006] Preferably, plug-in blocks are fixedly connected between the four screws and the fixing plate, and one end of the plug-in block is wedge-shaped.
[0007] Preferably, threaded holes are provided on all four of the said gaskets, and bolts are rotatably penetrated through the four corners of the surface of the protective box. The four bolts respectively correspond to the four threaded holes, and the four bolts are respectively adapted to the four threaded holes.
[0008] Preferably, a sealing gasket is fixedly connected to the bottom of the protective box, and the sealing gasket is elastic.
[0009] Preferably, the size of the gasket is larger than the size of the rectangular hole.
[0010] Preferably, the length of the screw rod is greater than the connection thickness between the first Z-shaped purlin and the gasket.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] 1. Through the combination of structures such as the first Z-shaped purlin, the second Z-shaped purlin, the rectangular hole, the gasket, the screw rod, the nut, and the protective box, the present utility model passes the screw rod through the rectangular holes on the adjacent first Z-shaped purlin and the second Z-shaped purlin, then slews the gasket on the outside of the screw rod, and then turns the nut to cooperate with the fixing plate to horizontally connect the first Z-shaped purlin and the second Z-shaped purlin, avoiding the waste at the overlapping connection. Then, the protective box is sleeved on the outside of the gasket, so that the screw rod used for connection is placed inside the fixing plate and the protective box, thereby effectively preventing the corrosion of the screw rod, and further avoiding the influence of the corrosion of the screw rod on the connection stability of the Z-shaped purlin.
[0013] 2. Through the setting of the insertion block, when connecting the first Z-shaped purlin and the second Z-shaped purlin, when the insertion block is placed in the rectangular hole, the wedge-shaped surface of the insertion block squeezes the first Z-shaped purlin and the first Z-shaped purlin towards each other and gets closer, thereby improving the connection tightness between the first Z-shaped purlin and the second Z-shaped purlin. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic diagram of the connection structure of the first Z-shaped purlin and the second Z-shaped purlin of the present utility model;
[0015] Figure 2 is a schematic diagram of the external connection structure of the protective box and the gasket of the present utility model;
[0016] Figure 3 is a schematic diagram of the connection structure of the fixing plate, the insertion block and the screw rod of the present utility model;
[0017] Figure 4 is a schematic diagram of the inner structure of the protective box of the present utility model.
[0018] In the figure: 1. First Z-shaped purlin; 11. Second Z-shaped purlin; 12. Rectangular hole; 2. Gasket; 21. Threaded hole; 3. Screw; 31. Nut; 32. Fixed plate; 33. Insertion block; 4. Protection box; 41. Bolt; 42. Sealing gasket. Detailed implementation mode
[0019] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments:
[0020] Embodiment 1: A connecting device for the end of a Z-shaped purlin. Refer to Figures 1 to 4 , including a first Z-shaped purlin 1 and a second Z-shaped purlin 11. Rectangular holes 12 are opened at the four corners of one end of the first Z-shaped purlin 1 and the second Z-shaped purlin 11. A fixed plate 32 is arranged at the connection of the first Z-shaped purlin 1 and the second Z-shaped purlin 11. Screws 3 are arranged at the four corners of one end of the fixed plate 32. Nuts 31 are threadedly sleeved on the outer sides of the four screws 3. Gaskets 2 are slidably sleeved on the outer sides of the four screws 3. The size of the gasket 2 is larger than the size of the rectangular hole 12, so as to prevent the gasket 2 from passing through the rectangular hole 12 and affecting the connection. The length of the screw 3 is greater than the connection thickness of the first Z-shaped purlin 1 and the gasket 2, so as to ensure that the nut 31 can be threadedly sleeved on the screw 3. A protection box 4 is arranged at the end of the connection of the first Z-shaped purlin 1 and the second Z-shaped purlin 11 away from the fixed plate 32, and the protection box 4 is sleeved on the outer sides of the four gaskets 2. During work, the screw 3 is passed through the rectangular holes 12 on the adjacent first Z-shaped purlin 1 and second Z-shaped purlin 11, then the gasket 2 is sleeved on the outer side of the screw 3, and then the nut 31 is screwed to cooperate with the fixed plate 32 to horizontally connect the first Z-shaped purlin 1 and the second Z-shaped purlin 11, avoiding waste at the overlapping connection. Then the protection box 4 is sleeved on the outer side of the gasket 2, so that the screw 3 used for connection is placed inside the fixed plate 32 and the protection box 4, thereby effectively preventing the corrosion of the screw 3 and further avoiding the influence of the corrosion of the screw 3 on the connection stability of the Z-shaped purlin.
[0021] Specifically, refer to Figure 3 , fixed connection blocks 33 are arranged between the four screws 3 and the fixed plate 32. One end of the insertion block 33 is wedge-shaped. When connecting the first Z-shaped purlin 1 and the second Z-shaped purlin 11, when the insertion block 33 is placed in the rectangular hole 12, the wedge surface of the insertion block 33 squeezes the first Z-shaped purlin 1 and the first Z-shaped purlin 1 towards each other and approaches, thereby improving the connection tightness of the first Z-shaped purlin 1 and the second Z-shaped purlin 11.
[0022] Further, refer to Figure 1 and Figure 4, threaded holes 21 are formed in all four of the gaskets 2. Bolts 41 rotatably penetrate through the four corners of the surface of the protective box 4. The four bolts 41 correspond to the four threaded holes 21 respectively, and the four bolts 41 are respectively adapted to the four threaded holes 21. When the protective box 4 is sleeved outside the gasket 2, by screwing the bolts 41 to connect with the threaded holes 21, not only the connection stability of the protective box 4 is improved, but also the gaskets 2 on the first Z-shaped purlin 1 and the second Z-shaped purlin 11 can be combined into a whole, thereby improving the connection firmness of the first Z-shaped purlin 1 and the second Z-shaped purlin 11.
[0023] It should be noted that, referring to Figure 4 , a sealing gasket 42 is fixedly connected to the bottom of the protective box 4, and the sealing gasket 42 has elasticity. Through the arrangement of the sealing gasket 42, the sealing performance of the protective box 4 connected to the first Z-shaped purlin 1 and the second Z-shaped purlin 11 can be increased, and further improve the protection effect of the bolts 41.
[0024] In addition, the components designed in the present utility model are all common standard components or components known to those skilled in the art. Their structures and principles can all be learned by those skilled in the art through technical manuals or obtained through conventional experimental methods. Those skilled in the art can fully implement them without further elaboration. The content protected by the present utility model does not involve improvements to the internal structure and method.
[0025] The embodiments disclosed in the present utility model are preferred embodiments, but not limited thereto. Those of ordinary skill in the art can easily understand the spirit of the present utility model according to the above embodiments and make different extensions and changes. As long as they do not depart from the spirit of the present utility model, they are all within the protection scope of the present utility model.
Claims
1. A Z-shaped purlin end connection device, comprising a first Z-shaped purlin (1) and a second Z-shaped purlin (11), characterized in that, Rectangular holes (12) are provided at the four corners of one end of the first Z-shaped purlin (1) and the second Z-shaped purlin (11). A fixing plate (32) is arranged at the connection of the first Z-shaped purlin (1) and the second Z-shaped purlin (11). Screws (3) are arranged at the four corners of one end of the fixing plate (32). Nuts (31) are threadedly sleeved on the outer sides of the four screws (3). Washers (2) are slidably sleeved on the outer sides of the four screws (3). A protective box (4) is arranged at the end of the connection of the first Z-shaped purlin (1) and the second Z-shaped purlin (11) far away from the fixing plate (32), and the protective box (4) is sleeved on the outer sides of the four washers (2).
2. The Z-shaped purlin end connection device according to claim 1, characterized in that, Insertion blocks (33) are fixedly connected between the four screws (3) and the fixing plate (32), and one end of the insertion block (33) is wedge-shaped.
3. The Z-shaped purlin end connection device according to claim 1, wherein Threaded holes (21) are provided on the four washers (2). Bolts (41) are rotatably penetrated through the four corners of the surface of the protective box (4). The four bolts (41) correspond to the four threaded holes (21) respectively, and the four bolts (41) are respectively adapted to the four threaded holes (21).
4. A Z-shaped purlin end connection device according to claim 1, characterized in that, A sealing gasket (42) is fixedly connected to the bottom of the protective box (4), and the sealing gasket (42) is elastic.
5. The Z-shaped purlin end connection device according to claim 1, characterized in that, The size of the washer (2) is larger than the size of the rectangular hole (12).
6. The Z-shaped purlin end connection device according to claim 1, characterized in that, The length of the screw (3) is greater than the connection thickness between the first Z-shaped purlin (1) and the washer (2).