Novel foot tube dismounting and locking mechanism
Through the design of internal thread and screw matching, combined with inserts and clamping parts, the problem of large packaging space and transportation difficulties of furniture foot pipes is solved, and the convenient disassembly and assembly and transportation of foot pipes is achieved, reducing processing difficulty and extending Service life.
Patent Information
- Application Number
- CN202323620728.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-29
AI Technical Summary
Due to welding and fixing of existing furniture foot pipes, there are problems such as large packaging space, difficulty in transportation and high cost.
The upper and lower foot pipes with internal threads and screws are designed to achieve fixation through screw coupling and internal threads, and inserts and snap-ons are provided in the upper and lower foot pipes to simplify processing and avoid collision damage.
It realizes the convenience of disassembly and assembly of foot pipes, reduces packaging size, and is easy to transport. At the same time, it reduces processing difficulty, ensures the integrity and firmness of foot pipes, and extends the service life.
Smart Images
Figure CN222185343U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of furniture products, and in particular relates to a novel leg disassembly and locking mechanism. Background Art
[0002] The legs of furniture (tables, chairs, etc.) are slender structures. When fixed on the furniture, the leg area is relatively large. In addition, the legs are often welded and cannot be disassembled, resulting in large packing size, difficult transportation and high cost when the furniture is packaged. Utility Model Content
[0003] In order to make up for the deficiencies of the prior art, the utility model provides a novel leg disassembly and locking mechanism, which is designed to disassemble and assemble the leg to solve the problems in the prior art that the leg occupies a large packaging space and is not conducive to transportation.
[0004] The novel leg tube disassembly and locking mechanism comprises an upper leg tube and a lower leg tube, wherein one of the upper leg tube and the lower leg tube is provided with an internal thread and the other is provided with a screw rod, and the upper leg tube and the lower leg tube are fixed by the screw rod being threadedly engaged with the internal thread.
[0005] Furthermore, it also includes a clamping piece, which is sleeved on the screw rod. After installation, the upper leg tube and the lower leg tube are respectively abutted against the end surfaces on both sides of the clamping piece.
[0006] Furthermore, the clamping part includes an annular ring, a through hole in the middle of the annular ring is provided for the screw rod to be sleeved, a convex ring is provided on the outer ring surface of the annular ring, and the side wall of the convex ring away from one end of the annular ring is flush with the outer walls of the upper leg tube and the lower leg tube; the upper and lower end surfaces of the convex ring are respectively abutted against the pipe openings of the upper leg tube and the lower leg tube.
[0007] Furthermore, the lower end of the upper leg tube is threadedly matched with the upper end of the lower leg tube, an internal thread is arranged in the upper leg tube, and a screw rod is arranged in the lower leg tube.
[0008] Furthermore, an embedded component is arranged in the upper leg tube, and the embedded component is fitted and fastened to the inner wall of the lower end tube of the upper leg tube.
[0009] Furthermore, an embedded component is arranged in the lower leg tube, and the embedded component is fitted and fastened to the inner wall of the upper end tube of the lower leg tube.
[0010] Furthermore, the screw rod and the embedded component in the lower leg tube are an integrated structure.
[0011] Furthermore, the embedded component includes a ring plate I, a ring plate II and a connecting tube arranged between ring plates I and II, the inner wall of the connecting tube is provided with an internal thread that cooperates with the screw rod, and the ring plates I and II are sleeved on two ports of the connecting tube; the outer diameters of the ring plates I and II are the same and larger than the outer diameter of the connecting tube.
[0012] Furthermore, the ring plate I and the ring plate II are annular plates with the same structure, and a plurality of notch grooves are arranged at intervals on the outer annular surfaces of the annular plates.
[0013] Compared with the prior art, the utility model has the following advantages: the application sets the leg tube as an upper leg tube and a lower leg tube connected by internal threads and screws, and the leg tubes can be disassembled and assembled. Its structure is simple and disassembly and assembly are convenient. The packaging size can be reduced during transportation, which is beneficial to the packaging and transportation of the product; in addition, by arranging embedded parts in the upper leg tube and the lower leg tube, and arranging internal threads on the embedded parts to cooperate with the screws, not only the processing difficulty of the upper leg tube and the lower leg tube can be reduced, but also the integrity and firmness of the upper leg tube and the lower leg tube can be ensured; the provision of a clamping part can avoid port damage caused by direct abutment and collision of the upper leg tube and the lower leg tube during screw connection, thereby increasing the service life of the upper leg tube and the lower leg tube. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the utility model;
[0015] Figure 2 It is a schematic diagram of the use of the utility model (chair);
[0016] Figure 3 This is a schematic diagram of the use of the utility model (table).
[0017] In the figure: 1-upper leg tube, 2-lower leg tube, 3-screw, 4-clamping piece, 41-annular ring, 42-through hole, 43-convex ring, 5-embedded part, 51-ring plate I, 52-ring plate II, 53-connecting pipe, 54-notch groove, 6-seat, 7-desktop plate. DETAILED DESCRIPTION
[0018] In order to enable those skilled in the art to more clearly understand the technical solution of the present application, the present invention is further described below in conjunction with the accompanying drawings. Example 1
[0019] like Figure 1As shown, a novel leg tube disassembly and locking mechanism comprises an upper leg tube 1 and a lower leg tube 2, wherein one of the upper leg tube 1 and the lower leg tube 2 is provided with an internal thread, and the other is provided with a screw rod 3, a clamping member 4 is sleeved on the screw rod 3, and the upper leg tube 1 and the lower leg tube 2 are fixed by the screw rod 3 and the internal thread, and the upper leg tube 1 and the lower leg tube 2 are respectively abutted against the end faces on both sides of the clamping member 4. The clamping member 4 comprises an annular ring 41, a through hole 42 in the middle of the annular ring 41 is sleeved for the screw rod 3, a convex ring 43 is provided on the outer ring surface of the annular ring 41, and the side wall of the convex ring 43 away from one end of the annular ring 41 is flush with the outer wall of the upper leg tube 1 and the lower leg tube 2; the upper and lower end faces of the convex ring 43 are respectively abutted against the pipe openings of the upper leg tube 1 and the lower leg tube 2, so as to avoid damage to the pipe openings caused by direct abutment and collision between the upper leg tube 1 and the lower leg tube 2 during screw connection.
[0020] It can be understood that the leg tubes are designed as an upper leg tube 1 and a lower leg tube 2 that are threaded together, so that they can be disassembled and assembled, and the packaging size can be reduced during transportation, which is beneficial to the packaging and transportation of the product.
[0021] In this embodiment, the lower end of the upper leg tube 1 is threadedly connected with the upper end of the lower leg tube 2, an internal thread is provided in the upper leg tube 1, and a screw rod 3 is provided in the lower leg tube 2 (it can also be that the screw rod 3 is provided in the upper leg tube 1 and the internal thread is provided in the lower leg tube 2). An embedded component 5 is provided in both the upper leg tube 1 and the lower leg tube 2. The embedded component 5 in the upper leg tube 1 is fitted and fastened to the inner wall of the lower end tube of the upper leg tube 1, and the embedded component 5 in the lower leg tube 2 is fitted and fastened to the inner wall of the upper end tube of the lower leg tube 2. The embedded component 5 includes a ring plate I 51, a ring plate II 52, and a connecting tube 53 provided between the ring plates I 51 and II 52. The inner wall of the connecting tube 53 is provided with an internal thread that cooperates with the screw rod 3. The ring plates I 51 and II 52 are respectively sleeved on the two ends of the connecting tube 53; the outer diameters of the ring plates I 51 and II 52 are consistent and larger than the outer diameter of the connecting tube 53. Specifically, the ring plate I 51 and the ring plate II 52 are annular plates with the same structure, and the outer annular surface of the annular plate is provided with a plurality of notched grooves 54 at intervals. Preferably, a screw rod 3 is provided in the lower leg tube 2, and the screw rod 3 and the embedded component 5 in the lower leg tube 2 are an integral structure. If a screw rod 3 is provided in the upper leg tube 1, the screw rod 3 and the embedded component 5 in the upper leg tube 1 are an integral structure.
[0022] It can be understood that by providing an embedded component and providing an internal thread on the embedded component to cooperate with the screw, not only the processing difficulty of the upper leg tube 1 and the lower leg tube 2 can be reduced (there is no need to directly turn the internal thread into the upper leg tube 1 and the lower leg tube 2), but also the integrity and firmness of the upper leg tube 1 and the lower leg tube 2 can be ensured. Example 2
[0023] like Figure 2 The armchair shown comprises a seat 6 and a leg tube arranged below the seat 6 , wherein the leg tube has the structure in Embodiment 1, wherein an upper leg tube 1 is integrated with the seat 6 , and a lower leg tube 2 is detachably threadedly connected to the upper leg tube 1 . Example 3
[0024] like Figure 3 The table shown in the figure includes a table top 7 and legs arranged below the table top 7. The legs are of the structure in Example 1, wherein an upper leg 1 is integrated with the table top 7, and a lower leg 2 is detachably threadedly connected to the upper leg 1.
[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.
Claims
1. A novel leg disassembly and locking mechanism, characterized in that: The invention comprises an upper leg tube (1) and a lower leg tube (2), wherein one of the upper leg tube (1) and the lower leg tube (2) is provided with an internal thread, and the other is provided with a screw rod (3), and the upper leg tube (1) and the lower leg tube (2) are fixed by screwing the screw rod (3) and the internal thread.
2. A novel leg disassembly and locking mechanism according to claim 1, characterized in that: It also comprises a clamping piece (4), which is sleeved on the screw rod (3). After installation, the upper leg tube (1) and the lower leg tube (2) are respectively in contact with the end surfaces on both sides of the clamping piece (4).
3. A novel leg disassembly and locking mechanism according to claim 2, characterized in that: The clamping member (4) comprises an annular ring (41), a through hole (42) in the middle of the annular ring (41) being provided for the screw rod (3) to be sleeved thereon, a convex ring (43) being provided on the outer ring surface of the annular ring (41), the side wall of the convex ring (43) away from one end of the annular ring (41) being flush with the outer walls of the upper leg tube (1) and the lower leg tube (2); the upper and lower end surfaces of the convex ring (43) are respectively in contact with the tube openings of the upper leg tube (1) and the lower leg tube (2).
4. A novel leg disassembly and locking mechanism according to claim 3, characterized in that: The lower end of the upper leg tube (1) is threadedly engaged with the upper end of the lower leg tube (2); an internal thread is provided in the upper leg tube (1), and a screw rod (3) is provided in the lower leg tube (2).
5. A new leg disassembly and locking mechanism according to claim 4, characterized in that: An embedded component (5) is arranged inside the upper leg tube (1), and the embedded component (5) is fitted and fastened to the inner wall of the lower end tube of the upper leg tube (1).
6. A novel leg disassembly and locking mechanism according to claim 4, characterized in that: An embedded component (5) is arranged in the lower leg tube (2), and the embedded component (5) is fitted and fastened to the inner wall of the upper end tube of the lower leg tube (2).
7. A new leg disassembly and locking mechanism according to claim 6, characterized in that: The screw rod (3) and the embedded component (5) in the lower leg tube (2) are an integral structure.
8. A new leg disassembly and locking mechanism according to claim 5 or 6, characterized in that: The embedded component (5) comprises a ring plate I (51), a ring plate II (52) and a connecting pipe (53) arranged between the ring plate I (51) and the ring plate II (52); the inner wall of the connecting pipe (53) is provided with an internal thread that matches the screw rod (3); the ring plate I (51) and the ring plate II (52) are sleeved on two ends of the connecting pipe (53); the outer diameters of the ring plate I (51) and the ring plate II (52) are consistent and larger than the outer diameter of the connecting pipe (53).
9. A novel leg disassembly and locking mechanism according to claim 8, characterized in that: The ring plate I (51) and the ring plate II (52) are annular plates with the same structure, and a plurality of notch grooves (54) are arranged at intervals on the outer annular surfaces of the annular plates.