Special-shaped fastening bolt
By designing baffles and spring structures for irregularly shaped fastening bolts, the installation process is simplified, solving the problems of complexity and penetration of interlayer walls associated with traditional fastening bolts, and achieving efficient and stable fixing results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG AONAER REFRIGERATION TECH
- Filing Date
- 2025-04-16
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional fastening bolt installation is complex, requires multiple tools and high operational skills, affects stability and safety, and requires breaking through the double-layer structure in sandwich walls.
A special-shaped fastening bolt was designed. Through a combination of baffle and spring, it uses gravity to rotate and fall, which acts as a blocking force, simplifying the installation process. The spring provides fastening force, making it suitable for sandwich walls where the double-layer structure does not need to be penetrated.
It achieves simple installation, saves labor time, improves worker efficiency, has a stable structure, high safety, and is suitable for fixing warehouse doors and partition walls.
Smart Images

Figure CN224107526U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a special-shaped fastening bolt belongs to the field of bolt. BACKGROUND
[0002] In the existing various industrial production and engineering construction, fastening bolt as a commonly used connecting component is widely used in various fields. However, the traditional fastening bolt exposes many problems in the actual use process. For example, the installation process is relatively complex, often needs workers to use various tools, and carries out the tightening operation according to the specific order and torque requirement, which not only consumes a lot of manual time and energy, but also requires higher operating skill of workers. Once improper operation, it may lead to bolt fastening not firm, affect the stability and safety of connection. In addition, from the cost point of view, due to the low efficiency of traditional bolt installation, the labor cost is increased, at the same time, part of the traditional bolt is high in cost in material selection to ensure performance, and needs frequent replacement in the use process due to easy damage, further increases the use cost. Therefore, developing a new type of fastening bolt capable of saving labor and cost has important practical significance. SUMMARY
[0003] According to the problems in the background, the utility model solves the problems that the traditional bolt is complex in installation process, uses many tools and is unstable in structure, affects stability and safety, and solves the problem that it is necessary to punch in the sandwich wall.
[0004] To achieve the above object, the utility model provides the following technical scheme: provide a special-shaped fastening bolt, including bolt main part, connecting rod, connecting blocking plate, tightening nut, spring, baffle side, sliding hole, baffle, rotating shaft and bias plate, the bolt main part is cylindrical style, the bolt main part one end is connected with connecting rod, the connecting rod is provided with screw thread, the connecting rod is provided with connecting blocking plate, the tightening nut is also provided with connecting rod and is located at the side away from the bolt main part of connecting blocking plate, the spring is provided with connecting rod and both ends are connected with bolt main part and connecting blocking plate, the baffle side is located at the other end of bolt main part, and the baffle side is provided with slot in the middle, the sliding hole is provided on the baffle side and penetrates the baffle side, the sliding hole is L-shaped, the baffle is installed in the middle of baffle side through the rotating shaft provided in the middle of baffle, and the bias plate is provided in the lower end blocking part slot of baffle side slot.
[0005] Preferably, the inner hole diameter of the connecting blocking plate is the same as the diameter of the connecting rod.
[0006] Preferably, the thickness of the slot in the middle of the baffle side is the same as the thickness of the baffle.
[0007] Preferably, the length of the offset plate does not exceed the position of the sliding hole.
[0008] Working principle: when installing a sandwich wall or a warehouse door, only need to punch a hole on the side where installation is needed, without penetrating the double-layer structure, then the baffle side of the utility model is deeply inserted into the hole in the upward manner of the offset plate, then rotate 90°, before that, because of the existence of the offset plate, the baffle cannot descend even if it has a big head due to the block of the offset plate, and is still horizontal with the overall structure, after rotating 90°, the offset plate no longer plays a role, the baffle descends through the rotating shaft due to the reason of the big head, the baffle will be parallel to the plate surface, the rotating shaft also loses the highest position in the sliding hole, then the connecting rod is used to pull it tight, the rotating shaft thus slides to the leftmost side of the sliding hole, after being pulled tight, the upper tightening nut is tightened, the connecting baffle thus moves to the side of the bolt body, the spring is pressed, the fastening effect is increased, the gap in the hole can also be filled with foaming agent to complete the filling, finally the connecting baffle and the spring are connected with the one side of the sealant on the drawing, the fastening is strengthened, and the fixing is completed.
[0009] The utility model has the advantages of:
[0010] 1. The overall structure is simple and has high universality.
[0011] 2. The installation process is simple, tools are few, work time is saved, and the work efficiency of workers can be improved.
[0012] 3. The overall structure is simple and stable, and the safety is high through the spring design and the sag of the baffle.
[0013] 4. The utility model is suitable for warehouse doors and sandwich walls, and fixing can be realized without punching. DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is a motion view of the utility model;
[0016] Figure 3 It is a motion view of the utility model;
[0017] In the drawing: 1 is a bolt body; 2 is a connecting rod; 3 is a connecting baffle; 4 is a tightening nut; 5 is a spring; 6 is a baffle side; 7 is a sliding hole; 8 is a baffle; 9 is a rotating shaft; and 10 is an offset plate. CONCRETE IMPLEMENTING METHOD
[0018] The embodiments of the utility model will be further described in combination with the drawings:
[0019] Embodiment 1
[0020] The utility model provides a special fastening bolt, including bolt main body 1, connecting rod 2, connecting blocking plate 3, upper nut 4, spring 5, baffle side 6, sliding hole 7, baffle 8, rotation axis 9 and bias plate 10, bolt main body 1 is cylindrical style, and the one end of bolt main body 1 is connected with connecting rod 2, and connecting rod 2 has the thread, and connecting rod 2 is sleeved with connecting blocking plate 3, and upper nut 4 is also sleeved on connecting rod 2 and is located the side, away from bolt main body 1, of connecting blocking plate 3, and spring 5 is sleeved on connecting rod 2 and is connected bolt main body 1 and connecting blocking plate 3 respectively at both ends, and baffle side 6 is located the other end of bolt main body 1, and the middle of baffle side 6 is equipped with slot, and sliding hole 7 is set up on baffle side 6 and penetrates baffle side 6, and sliding hole 7 is L type, and baffle 8 is installed in the middle of baffle side 6 through the rotation axis 9 of the eccentricity of the middle of baffle 8, and bias plate 10 is equipped in the lower end blocking part slot of baffle side 6 slot.
[0021] The L type slot of sliding hole 7 can play the role of deviation and compress spring 5 after tightening;
[0022] The inner hole diameter of connecting blocking plate 3 is same with the diameter of connecting rod 2.
[0023] The middle slot thickness of baffle side 6 is same with the thickness of baffle 8.
[0024] The length of bias plate 10 does not exceed the position of sliding hole 7, so that when bias plate 10 is above, it can ensure that baffle 8 will not fall, and after rotating 90 degrees, it will not affect the vertical falling of baffle 8.
[0025] Working principle: when sandwich wall or installation warehouse door, only need to punch in the side that needs to be installed, do not need to penetrate double layer structure, then the one side of baffle 8 of the utility model goes into the hole with the upward bias plate 10, then rotates 90 degrees, because of the existence of bias plate 10, baffle 8 cannot fall even if it has a big head, still horizontal with the overall structure, after rotating 90 degrees, bias plate 10 no longer plays a role, baffle 8 falls through rotation axis 9 because of the big head, baffle 8 will be parallel to the plate, rotation axis 9 also loses the highest position in sliding hole 7, then through connecting rod 2, it is pulled tight, rotation axis 9 thus slides to the leftmost side of sliding hole 7, after being pulled tight, upper nut 4 is tightened, connecting blocking plate 3 thus moves to the side of bolt main body 1, spring 5 is pressed, increases the fastening effect, in which, the hole can also be filled with foaming agent to fill the gap, finally, connecting blocking plate 3 and spring 5 are connected with the one side of the sealant on the drawing, strengthen the fastening, complete the fixation.
Claims
1. A profiled fastening bolt, characterized in that The utility model provides a bolt body (1), connecting rod (2), connecting barrier (3), tightening nut (4), spring (5), baffle side (6), sliding hole (7), baffle (8), rotating shaft (9) and bias plate (10) are included, the bolt body (1) is cylindrical style, the bolt body (1) one end is connected with connecting rod (2), and connecting rod (2) has the thread, and connecting rod (2) is sleeved with connecting barrier (3), and tightening nut (4) is also sleeved on connecting rod (2) and is located the side, away from the bolt body (1) of connecting barrier (3), spring (5) is sleeved on connecting rod (2) and both ends are connected bolt body (1) and connecting barrier (3) respectively, baffle side (6) is located the other end of bolt body (1), and baffle side (6) middle is equipped with the slot, sliding hole (7) is set up on baffle side (6) and penetrates baffle side (6), and sliding hole (7) is L type, baffle (8) is installed in baffle side (6) middle through the rotating shaft (9) of being equipped with in baffle (8) middle bias, and bias plate (10) is equipped in baffle side (6) slot lower end blocking part slot.
2. The profiled fastening bolt according to claim 1, wherein The inner hole diameter of the connecting barrier (3) is the same as the diameter of the connecting rod (2).
3. The profiled fastening bolt according to claim 1, wherein The thickness of the slot in the middle of the baffle side (6) is the same as the thickness of the baffle (8).
4. The profiled fastening bolt according to claim 1, wherein The length of the bias plate (10) does not exceed the position of the sliding hole (7).