Novel expansion connecting seat
The expansion joint seat, which combines an integrated columnar component with the base, features an internal connection part and a hollow design, solving the problem of connecting thin plates. This achieves a firm connection of thin plates and provides corrosion resistance and torsion prevention, thus improving construction quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-24
AI Technical Summary
Existing expansion joints cannot effectively connect thinner plates, especially thin aluminum plates, making it difficult to guarantee construction quality.
The columnar component, which is integrated with the base, has a built-in connecting part. The columnar component is deformed by a carrier component, and the sheet metal is connected between the deformed part and the base. Combined with ABS material covering and hollow design, it enhances corrosion resistance and torsion resistance.
It achieves a firm connection of boards within the 0.5mm-4mm range, prevents torsion, improves construction progress and board flatness, and enhances corrosion resistance.
Smart Images

Figure CN224032071U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building decoration technical field, in particular to a new expansion connecting seat. BACKGROUND
[0002] The applicant earlier applied for an expansion connecting seat, which is provided with an expansion column with internal threads on a wall surface decoration component, an expansion opening is arranged on the expansion column, the expansion opening is connected with the internal threads of the expansion column through a bolt, the expansion column corresponding to the expansion opening is expanded outward to generate an expansion force, the wall surface decoration component is firmly connected with a plate, a wall surface and other objects, the connection is firm, and the construction quality is improved. The structure is suitable for connecting the plate with a thickness of 8-12mm, but cannot be applied to the connection of relatively thin plates, especially thin aluminum plates.
[0003] In view of this, the applicant provides a new expansion connecting seat for connecting with relatively thin plates. CONTENT OF UTILITY MODEL
[0004] The utility model discloses a kind of new expansion connecting seats, to overcome the deficiencies in the prior art described above.
[0005] To overcome the above technical problems, the technical scheme adopted by the utility model is: columnar component connected with seat body and being integrated with the seat body, the columnar component is internally connected with connecting portion, and the connecting portion is connected with carrier component, so that the columnar component generates deformation portion, and the plate is connected between the deformation portion and the seat body.
[0006] Further, the connecting portion is internally arranged at the top of the columnar component.
[0007] Further, the connecting portion is one of internal thread or round hole.
[0008] Further, the columnar component is externally provided with knurling.
[0009] Further, it further includes hollow part arranged at the external portion of the columnar component.
[0010] Further, the hollow part is arranged at the middle segment of the columnar component.
[0011] Further, the hollow part is evenly arranged at the middle segment of the columnar component.
[0012] Further, deformation portion is further arranged near the middle segment of the columnar component.
[0013] Further, the deformation portion is highlighted at the external portion of the columnar component.
[0014] Further, the top of the internal thread is further provided with top cover.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] I. By presenting an integral structure of the columnar component and the seat body, the on-site construction is facilitated, the freedom between the two is constrained, and torsion between the columnar component and the seat body is prevented.
[0017] II. By coating the inner and outer surfaces of the columnar component with ABS material, rusting of the columnar component due to environmental factors is prevented, and the environmental corrosion resistance is improved.
[0018] III. Under the action of the carrier component, the plate material in the range of 0.5mm-4mm is firmly connected between the seat body and the deformation part through the deformation part, and the construction progress is improved.
[0019] IV. The existence of the hollow part weakens the compression resistance of the columnar component, so that the plate material clamped between the deformation part and the seat body does not deform, and the connection pre-tightening force between the plate material, the deformation part and the base is ensured under the premise of ensuring the flatness of the plate material. BRIEF DESCRIPTION OF DRAWINGS
[0020] The utility model will be further described in detail below in combination with the drawings and specific embodiments, but those skilled in the art will appreciate that these drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be regarded as limiting the scope of the application. In addition, unless specifically indicated, the drawings only schematically show the composition or structure of the described objects and can contain exaggerated displays, and the drawings are not necessarily drawn to scale.
[0021] Figure 1 is a top view of embodiment 1.
[0022] Figure 2 is Figure 1 the sectional view along A-A line shown in the figure.
[0023] Figure 3 is Figure 1 the perspective view of
[0024] Figure 4 is a front view of embodiment 2.
[0025] Figure 5 is Figure 1 the top view of
[0026] Figure 6 is Figure 4 the sectional view along B-B line shown in the figure.
[0027] Figure 7 is Figure 5 the sectional view along C-C line shown in the figure.
[0028] Figure 8 is a front view of Example 3.
[0029] Figure 9 is a top view of Figure 8
[0030] Figure 10 is a sectional view along the line D-D shown in Figure 8
[0031] Figure 11 is a sectional view along the line E-E shown in Figure 9
[0032] Figure 12 is a structural schematic diagram in use of Example 1.
[0033] Figure 13 is a structural schematic diagram in use of Example 2.
[0034] Figure 14 is a structural schematic diagram in use of Example 3.
[0035] Figure 15 is a structural schematic diagram of Example 4.
[0036] Explanation of Reference Signs
[0037] 1 - base, 2 - columnar member, 3 - connecting portion, 4 - knurl, 5 - deformation portion, 6 - hollow portion, 7 - top cover. DETAILED DESCRIPTION
[0038] In order for those skilled in the art to better understand the technical solutions of the present disclosure, the present disclosure will be described in detail, clearly and completely in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present disclosure and do not limit the present disclosure.
[0039] It should be understood by those skilled in the art that in the disclosure of the present application, the orientations or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings. They are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as limiting the present application.
[0040] The technical concept of the present application is that a columnar member connected with the seat body and having an integral structure with the seat body, the columnar member is internally provided with a connecting part, and the connecting part connects the plate between the deformation part of the columnar member and the seat body through the connected carrier member.
[0041] Further, the connecting part is internally provided at the top of the columnar member.
[0042] Further, the connecting part is one of internal thread or circular hole.
[0043] Further, the columnar member is externally provided with knurling.
[0044] Further, it further comprises a hollow part provided at the external part of the columnar member.
[0045] Further, the hollow part is provided at the middle segment of the columnar member.
[0046] Further, the hollow part is uniformly provided at the middle segment of the columnar member.
[0047] Further, the deformation part is provided close to the middle segment of the columnar member.
[0048] Further, the deformation part is highlighted at the external part of the columnar member.
[0049] The technical concept of the present application will be described in detail below in combination with multiple embodiments.
[0050] Embodiment 1
[0051] As one of the more preferred embodiments, as shown in Figures 1-3 and Figure 12 , a new expansion connecting seat is disclosed, which comprises a seat body 1, a columnar member 2, a connecting part 3, knurling 4, and a deformation part 5, wherein the seat body 1 is provided with the columnar member 2 connected with the seat body 1 and having an integral structure with the seat body 1, the columnar member 2 is internally provided with the connecting part 3, as shown in Figure 12 , the connecting part 3 connects the plate between the deformation part 5 of the columnar member 2 and the seat body 1 through the connected carrier member.
[0052] The seat body in the present embodiment has the same structure as the wall surface decoration member in the expansion connecting seat of the first application, and thus will not be described again.
[0053] Further, in this embodiment, the integral structure is realized by injection molding process, the columnar member 2 is arranged in the counterbore of the seat body 1, the seat body 1 is made of ABS, and the columnar member 2 is made of metal. Specifically, the columnar member 2 can be made of a material other than Q235A, 08F, 304 stainless steel, etc. The surface of the columnar member 2 arranged in the counterbore of the seat body 1 is covered by ABS, so that the columnar member 2 and the seat body 1 are integrated. This structure is particularly convenient for on-site construction, so that the freedom between the two is constrained, preventing the columnar member 2 and the seat body 1 from being twisted. In some other embodiments, the inner and outer surfaces of the columnar member 2 are covered with ABS material, so that the columnar member 2 is better integrated with the base, and at the same time, the columnar member 2 can be prevented from rusting due to environmental factors, improving the corrosion resistance to the environment.
[0054] In this embodiment, preferably, a plate in the range of 2mm-4mm is used, and of course it can also be used for a plate in the range of 0.5mm-2mm. Referring to Figure 3 It can be seen that the connecting part 3 is arranged at the top of the columnar member 2. The columnar member 2 is provided with knurls 4, and in this embodiment, the knurls 4 are arranged at the middle section of the columnar member 2. The connecting part 3 is internally threaded. When the connecting part 3 is connected to the carrier member, the carrier member in this embodiment can be a tool with external threads, such as a rivet gun, a rivet gun, etc. Under the action of the carrier member, please refer to Figure 12 It can be seen that the connecting part 3 is arranged at the top of the columnar member 2. The columnar member 2 is provided with knurls 4, and in this embodiment, the knurls 4 are arranged at the middle section of the columnar member 2. The connecting part 3 is internally threaded. When the connecting part 3 is connected to the carrier member, the carrier member in this embodiment can be a tool with external threads, such as a rivet gun, a rivet gun, etc. Under the action of the carrier member, please refer to
[0055] Embodiment 2
[0056] As a more preferred second embodiment, this embodiment is a further extension based on embodiment 1. As Figures 4-7 It can be seen that the connecting part 3 is arranged at the top of the columnar member 2. The columnar member 2 is provided with knurls 4, and in this embodiment, the knurls 4 are arranged at the middle section of the columnar member 2. The connecting part 3 is internally threaded. When the connecting part 3 is connected to the carrier member, the carrier member in this embodiment can be a tool with external threads, such as a rivet gun, a rivet gun, etc. Under the action of the carrier member, please refer to
[0057] In this embodiment, the integral structure is realized by injection molding process, the inner and outer surfaces of the columnar member 2 are covered with ABS material.
[0058] In this embodiment, the connecting part 3 is embedded in the top of the columnar member 2, the hollow part 6 is arranged outside the columnar member 2, and the connecting part 3 is a round hole. The hollow part 6 is arranged at the middle section of the columnar member 2.
[0059] In this embodiment, the hollow part 6 is arranged at the middle section of the columnar member 2, and three hollow parts 6 are arranged in this embodiment. The existence of the hollow part 6 weakens the compression resistance of the columnar member 2, so when the carrier member arranged in the connecting part 3 is a structure such as a self-plugging rivet, as shown in Figure 7 and Figure 13 , the head of the self-plugging rivet is in interference fit with the connecting part 3 which is a round hole. The interference fit changes the connecting part 3. As shown in Figure 13 , the head of the self-plugging rivet is pressed in the connecting part 3 which is a round hole. At this time, the existence of the hollow part 6 weakens the compression resistance of the columnar member 2, so that the columnar member 2 generates a deformation part 5, and the deformation part 5 connects the plate between the deformation part 5 and the base 1. When the deformation part 5 and the columnar member 2 reach the pre-tightening force between the plates, the shaft of the carrier member such as the self-plugging rivet breaks, so that the shaft is separated from the head of the self-plugging rivet, and the clamping connection of the plate is realized. This embodiment discloses a new type of expansion connecting seat, which is particularly suitable for the use of aluminum plates and aluminum alloy plates in the range of 0.5mm-2mm. Firstly, the existence of the hollow part 6 weakens the compression resistance of the columnar member 2, so that the plate clamped between the deformation part 5 and the base 1 does not deform, ensuring the flatness of the plate, and ensuring the connection pre-tightening force between the plate, the deformation part 5 and the base 1, tightly contacting the plate, preventing the plate from twisting, and improving the construction progress.
[0060] In addition, in some other embodiments, the knurl 4 is arranged outside the columnar member 2, which is used to better realize the connection between the plate, the deformation part 5 and the base, increase the contact friction force, realize the self-locking of the knurl 4 at the deformation part 5, and prevent the plate from twisting.
[0061] Embodiment 3
[0062] As a more preferred third embodiment, as shown in Figures 8-11 , it includes a base 1, a columnar member 2, a connecting part 3, a knurl 4, a deformation part 5, and a hollow part 6 arranged outside the columnar member 2. The base 1 is provided with the columnar member 2 which is connected with the base 1 and has an integral structure with the base 1. The connecting part 3 is embedded in the columnar member 2, and the deformation part 5 generated by the columnar member 2 through the connecting carrier member connects the plate between the deformation part 5 and the base 1.
[0063] Further, the cylindrical member 2 is externally provided with knurls 4, and the hollow portions 6 are arranged at the middle section of the cylindrical member 2. The hollow portions 6 are evenly arranged at the middle section of the cylindrical member 2. In this embodiment, there are four hollow portions, and the connecting portion 3 is internally threaded. A deformation portion 5 is arranged near the middle section of the cylindrical member 2, and the deformation portion 5 protrudes from the outside of the cylindrical member 2. The difference between this embodiment and the above-described embodiments is that the deformation portion 5 is preformed, and the purpose is to connect with a plate of a specified thickness. For this purpose, the deformation portion 5 is arranged at the middle section of the cylindrical member 2 according to the thickness of the plate.
[0064] When the connecting portion 3 connects the carrier member, the carrier member in this embodiment can be a tool with external threads, such as a rivet gun, a rivet gun, etc. Under the action of the carrier member, please refer to Figure 14 , the cylindrical member 2 and the knurls 4 thereof deform together along the preformed deformation portion 5, forming another deformation portion 5, which is Figure 14 the deformation portion 5 marked by the double-dotted line. As can be seen, the deformation portion 5 obtained by the action of the carrier member connects the plate of a specified thickness between the seat 1 and the deformation portion 5. At this time, the knurls 4 have been firmly combined with the surface of the plate. Especially when the plate is an aluminum plate or an aluminum alloy plate, the plate is firmly contacted by the knurls 4, so that it does not twist and the construction progress is improved. Similarly, due to the existence of the hollow portion 6, the compression resistance of the cylindrical member 2 is weakened, which is particularly suitable for plates of different thicknesses in the range of 0.5mm-4mm. The plate clamped between the deformation portion 5 and the seat 1 does not deform, ensuring the flatness of the plate. Under the premise of ensuring the flatness of the plate, the connection pre-tightening force between the plate, the deformation portion 5 and the seat 1 can also be ensured. The one-piece structure in this embodiment is realized by injection molding process. The inner and outer surfaces of the cylindrical member 2 are coated with ABS material.
[0065] In addition, in some other embodiments, the cylindrical member 2 can not be externally provided with knurls 4, and the connection between the plate, the deformation portion 5 and the seat 1 can still be ensured. This implementation is more common in wooden plates and nylon plates.
[0066] Embodiment 4
[0067] As a more preferred fourth embodiment, a new type of expansion connection seat is provided, which is further evolved on the basis of embodiment 1 and embodiment 3, as shown in Figure 15 , further comprising a top cover 7 arranged at the top of the internally threaded connecting portion 3. The top cover 7 can be a one-piece structure formed with the cylindrical member 2, or a split structure formed with the cylindrical member 2. When it is a split structure, the top cover 7 is connected with the internally threaded connecting portion 3 through the externally threaded connection, thereby increasing the waterproof effect of the cylindrical member 2.
[0068] The present application is not limited to the precise construction which has been described above and shown in the accompanying drawings, and various changes and modifications can be effected therein by one skilled in the art without departing from the scope of the application. The scope of the application should be limited only by the appended claims.
Claims
1. A novel expansion connector, characterized in that: A columnar member (2) is connected to the base (1) and has an integral structure with the base (1). The columnar member (2) has a built-in connecting part (3). The connecting part (3) connects the plate between the deformable part (5) and the base through the deformable part (5) generated by the columnar member (2) via the connected carrier member.
2. The novel expansion connector according to claim 1, characterized in that: The connecting part (3) is built into the top of the columnar member (2).
3. The novel expansion connector according to claim 2, characterized in that: The connecting part (3) is either an internal thread or a round hole.
4. The novel expansion connector according to claim 2, characterized in that: The columnar member (2) is provided with knurling (4) on the outside.
5. A novel expansion connector according to claim 4, characterized in that: It also includes a hollowed-out portion (6) disposed outside the columnar member (2).
6. A novel expansion connector according to claim 5, characterized in that: The hollowed-out portion (6) is located in the middle section of the columnar member (2).
7. A novel expansion connector according to claim 6, characterized in that: The hollowed-out portions (6) are evenly distributed in the middle section of the columnar member (2).
8. A novel expansion connector according to claim 7, characterized in that: A deformable section (5) is also provided near the middle section of the columnar member (2).
9. A novel expansion connector according to claim 8, characterized in that: The deformable part (5) protrudes from the outside of the columnar member (2).
10. A novel expansion connector according to claim 3, characterized in that: A top cover (7) is also provided at the top of the internal thread.