Hidden clockwise wedge slide fastener type connecting piece for panel furniture
The invisible wedge-shaped sliding connector solves the problems of complex installation and processing errors in panel furniture connectors, achieving a fast, firm, and aesthetically pleasing connection.
Patent Information
- Application Number
- CN202520157794.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Existing panel furniture connectors require complex screw installation, and the machining holes are prone to errors, resulting in weak connections and material waste.
Design an invisible wedge-type fastener, including a main body, a wedge pin, a return spring and a pull rod. It is fastened to the plate hole by the expansion part of the wedge pin, and the elastic deformation hook adapts to the machining error to achieve a fast and firm connection.
It achieves low-cost, rapid installation and disassembly, can adapt to processing errors, has a firm and aesthetically pleasing connection, requires no exposed holes, and reduces material waste.
Smart Images
Figure CN223578445U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to panel furniture technical field especially relates to a hidden wedge slip buckle type connecting piece for panel furniture. BACKGROUND
[0002] Panel furniture (Furniture) is the disassembly and combination type furniture with artificial board as main base material and with plywood and vertical board as basic structure, and the artificial board used includes reed board, plywood, wood-based board, shaving board, medium fiber board etc., the panel furniture is the furniture connected by all surface decorated artificial board and connecting piece, has the basic characteristics of disassembly, changeable modeling, fashionable appearance, not easy to deform, stable quality, affordable price etc., therefore is loved by many people, along with the wide use of panel furniture, the connection between panel furniture becomes more and more important.
[0003] At present, there are many kinds of connecting pieces of panel furniture on the market, which have complex design, need to lock screw when using, are more troublesome to install, and most of the existing connecting pieces are not invisible, have exposed installation holes, are not beautiful, in addition, some installation holes need to be processed in the installation process, the processed installation holes are prone to processing errors, and the existing connecting pieces are also difficult to adapt to these processing errors. SUMMARY
[0004] Therefore, the utility model provides a hidden wedge slip buckle type connecting piece for panel furniture to solve the problem that the existing furniture connecting piece usually needs to lock screw, the installation process is relatively complicated, some installation holes need to be processed in the process of connecting plywood and vertical board, the processed installation holes are prone to processing errors, and the existing connecting piece is also difficult to adapt to these processing errors, causing the waste of panel.
[0005] In order to achieve the above purpose, the utility model provides a hidden wedge slip buckle type connecting piece for panel furniture for connecting plywood and vertical board, and the plywood is provided with an installation hole, and the vertical board is provided with a special-shaped groove, which comprises a main body, a wedge needle, a reset spring, a pull rod and a buckling cover plate.
[0006] The buckling cover plate is buckled on the main body, the bottom end of the main body has an expansion part, and the inside of the main body has a storage space, the bottom end of the wedge needle has a pressing part, the wedge needle and the pull rod are located in the storage space of the main body, the pull rod is located above the wedge needle, and the top end of the pull rod extends out of the main body, the reset spring is sleeved on the wedge needle, the main body is put into the installation hole of the plywood, the exposed part of the pull rod is knocked, the pull rod can push the wedge needle downward against the elastic force of the reset spring, the pressing part of the bottom end of the wedge needle can be clamped into the expansion part of the main body, the expansion part is expanded outward, and the expansion part is tightly abutted in the installation hole of the plywood, so that the main body is tightly fastened in the plywood.
[0007] Preferably, the main body comprises a lower U-shaped plate and an upper U-shaped plate, the outer sides of the two ends of the lower U-shaped plate are provided with planes, the two ends of the upper U-shaped plate extend outward to form protrusions, and a support plate is connected between the lower U-shaped plate and the upper U-shaped plate, and a storage space for placing the wedge pin and the pull rod is formed between the lower U-shaped plate and the upper U-shaped plate.
[0008] The top end of the lower U-shaped plate is fixedly connected with two symmetrical vertical plates, the top of the vertical plate is fixedly connected with an elastically deformed hook, and the expansion part is arranged on the bottom end of the lower U-shaped plate.
[0009] Preferably, the expansion part comprises two inclined plates fixedly connected to the bottom end of the lower U-shaped plate, and the bottom end of the inclined plate is fixedly connected with an expansion tooth.
[0010] Preferably, the wedge pin comprises a guide column, and a return spring is sleeved on the guide column, the extrusion part is a wedge-shaped block, and the wedge-shaped block is fixedly connected to the bottom end of the guide column.
[0011] Preferably, the wedge-shaped block is fixedly connected with two guide blocks, and the guide blocks extend out of the inclined plates, and in the process that the guide column pushes the wedge-shaped block to be clamped in the expansion tooth, the guide blocks can be clamped in the mounting holes of the layer plates, so that the wedge-shaped block can be clamped between the expansion teeth at the bottom end of the main body at all times.
[0012] Preferably, the pull rod comprises a top head and a bottom head, an arc-shaped column is fixedly connected between the top head and the bottom head, a tapered column is fixedly connected to the bottom head, and the top end of the return spring is sleeved on the tapered column, and under the pushing of the return spring, the bottom head abuts against the elastically deformed hook.
[0013] Preferably, the buckle cover plate comprises an upper buckle hook and a lower buckle hook, and an arc-shaped plate is fixedly connected between the upper buckle hook and the lower buckle hook, the bottom end of the upper buckle hook is fixedly connected with a limiting block, the length of the hook groove in the lower buckle hook is matched with the length of the vertical plate, the length of the hook groove in the upper buckle hook is matched with the length of the protrusion on the upper U-shaped plate, and the bottom of the protrusion is in contact with the limiting block.
[0014] Preferably, the top of the upper buckle hook is fixedly connected with a depth column.
[0015] The beneficial effects of the utility model are as follows:
[0016] I. Low manufacturing cost, the main body, the wedge pin, the pull rod and the buckle cover plate are all made of plastic nylon material, the connecting piece is composed of plastic nylon and a small spring (return spring), the structure is simple and the cost is low.
[0017] II. Easy to install: the connector only needs to be inserted into the mounting hole of the layer plate, and the wedge needle can be knocked into the expansion part of the main body by knocking the top of the pull rod with a hammer, so that the connector and the layer plate are firmly connected.
[0018] III. Quick connection: after the connector is fastened to the layer plate, the pull rod head is clamped into the special-shaped groove on the vertical plate, and the layer plate is pushed into place, so that the layer plate and the vertical plate are quickly connected; when a piece of layer plate is missing and the 2-end vertical plate is already installed, the pull rod head of the connector installed on the layer plate can be pressed into the layer plate and clamped into the corresponding part of the layer plate, and then the layer plate is installed between the two vertical plates.
[0019] IV. Eliminate processing errors: the main body is designed with an elastic deformation hook which can be deformed, so that the pull rod can be pulled out by a proper distance to accommodate the processing depth error of the special-shaped groove on the vertical plate and the processing depth error of the mounting hole on the layer plate.
[0020] V. Firm connection: the main body has an expansion part, which can achieve firm connection of the connector and the layer plate.
[0021] VI. Repeated disassembly: the layer plate installed with the connector can be conveniently and quickly disassembled to realize repeated assembly. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only the embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.
[0023] Figure 1 is a structural schematic view of the present application;
[0024] Figure 2 is a structural schematic view of the present application Figure 1 without the buckle cover plate;
[0025] Figure 3 is a structural schematic view of the main body of the present application;
[0026] Figure 4 is a structural schematic view of the wedge needle of the present application;
[0027] Figure 5 is a structural schematic view of the pull rod of the present application;
[0028] Figure 6 is a sectional view of the pull rod of the present application;
[0029] Figure 7 is a structural schematic view of the buckle cover plate of the present application;
[0030] Figure 8 Structure diagram of the main body installed in the layer plate of the utility model;
[0031] Figure 9 Structure diagram of the top head of the pull rod being initially inserted into the special-shaped slot of the vertical plate of the utility model;
[0032] Figure 10 Structure diagram of the main body installed in the layer plate of the utility model Figure 9 Structure diagram of the pull rod being slid to position on the special-shaped slot.
[0033] In the figure: 1, main body; 11, lower U-shaped plate; 12, upper U-shaped plate; 13, vertical plate; 14, elastically deformed hook; 15, inclined plate; 16, expansion tooth; 2, wedge needle; 21, guide column; 22, wedge-shaped block; 23, guide block; 3, return spring; 4, pull rod; 41, top head; 42, bottom head; 43, arc-shaped column; 5, buckling cover plate; 51, upper buckling hook; 52, lower buckling hook; 53, limiting block; 54, depth column; 6, layer plate; 7, vertical plate. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the following will be further explained in detail in combination with specific embodiments and with reference to the drawings.
[0035] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the utility model should be understood as the usual meanings by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the words cover the elements or objects listed after the words and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationship, which can change accordingly when the absolute position of the described object changes.
[0036] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10As shown, a hidden wedge sliding buckle type connector for plate furniture is used for connecting a layer plate 6 and a vertical plate 7, and the layer plate 6 is provided with a mounting hole, and the vertical plate 7 is provided with a special-shaped slot, the special-shaped slot can be opened by a T-shaped cutter, and the connector comprises a main body 1, a wedge needle 2, a reset spring 3, a pull rod 4 and a buckling cover plate 5.
[0037] The buckling cover plate 5 is buckled on the main body 1, the bottom end of the main body 1 is provided with an expansion part, and the inside of the main body 1 is provided with a storage space, the bottom end of the wedge needle 2 is provided with a pressing part, the wedge needle 2 and the pull rod 4 are located in the storage space of the main body 1, the pull rod 4 is located above the wedge needle 2, and the top end of the pull rod 4 extends out of the main body 1, the reset spring 3 is sleeved on the wedge needle 2, the main body 1 is placed into the mounting hole of the layer plate 6, the exposed part of the pull rod 4 is knocked, the pull rod 4 can overcome the elastic force of the reset spring 3 and push the wedge needle 2 to move downward, the pressing part at the bottom end of the wedge needle 2 can be clamped into the expansion part of the main body 1, the expansion part is expanded outward, the expansion part is tightly abutted in the mounting hole of the layer plate 6, so that the main body 1 is tightly fixed in the layer plate 6.
[0038] The main body 1, the wedge needle 2, the reset spring 3, the pull rod 4 and the buckling cover plate 5 are combined into an integral assembly, then the integral assembly is inserted into the mounting hole of the layer plate 6 of the furniture, the pull rod 4 of the integral assembly is hit by a hammer, the pull rod 4 pushes the wedge needle 2 to the expansion part of the main body 1, the integral assembly is clamped in the mounting hole of the layer plate 6, the assembly and the layer plate 6 are firmly connected, then the exposed part of the pull rod of the assembly is aligned with the special-shaped slot of the vertical plate 7, the pull rod head is clamped into the special-shaped slot and is pushed into place, and the plate material connection of the plate furniture is realized.
[0039] In one preferred embodiment of the utility model, the main body 1 includes lower U-shaped plate 11 and upper U-shaped plate 12, the outer side of the both ends of lower U-shaped plate 11 is flat, the both ends of upper U-shaped plate 12 extend outward and form lugs, and the lower U-shaped plate 11 and the upper U-shaped plate 12 are connected with a support plate, and the storage space for placing the wedge needle 2 and the pull rod 4 is formed between the lower U-shaped plate 11 and the upper U-shaped plate 12;
[0040] And two symmetrical vertical plates 13 are fixedly connected on the top end of the lower U-shaped plate 11, the top of the vertical plate 13 is fixedly connected with an elastic deformation hook 14, the expansion part is arranged on the bottom end of the lower U-shaped plate 11, and the expansion part comprises two inclined plates 15, the two inclined plates 15 are fixedly connected on the bottom end of the lower U-shaped plate 11, and the bottom end of the inclined plate 15 is fixedly connected with an expansion tooth 16.
[0041] When the wedge needle 2 moves between the expansion teeth 16, the wedge needle 2 can expand the expansion teeth 16 outward, the expansion teeth 16 are clamped into the hole of the layer plate 6, and the main body 1 and the layer plate 6 are firmly connected.
[0042] And through the setting of the elastic deformation hook 14, when the pull rod 4 is clamped into the special-shaped slot on the vertical plate 7, the elastic deformation hook 14 can be deformed, so that the pull rod 4 can be pulled out by a proper distance, accommodating the special-shaped slot processing depth error of the vertical plate 7, the mounting hole processing depth error of the layer plate 6
[0043] In another preferred embodiment of the utility model, the wedge needle 2 includes a guide column 21, and the reset spring 3 is sleeved on the guide column 21, the extrusion part is wedge block 22, and the wedge block 22 is fixedly connected on the bottom end of the guide column 21, two guide blocks 23 are fixedly connected on the wedge block 22, and the guide block 23 extends outside the inclined plate 15, the material of the guide block 23 can be rubber material, and the bottom of the guide block 23 is inclinedly arranged, which facilitates the movement of the guide block 23 in the mounting hole and clamping in the mounting hole, and in the process that the guide column 21 pushes the wedge block 22 to clamp into the expansion tooth 16, the guide block 23 can be clamped in the mounting hole of the layer plate 6, so that the wedge block 22 can always be clamped between the expansion tooth 16 at the lower end of the main body 1.
[0044] In another preferred embodiment of the utility model, the pull rod 4 includes a top head 41 and a bottom head 42, and an arc column 43 is fixedly connected between the top head 41 and the bottom head 42, so that the whole can be normally used when the assembly position is not correct, the arc column 43 can be a plate structure, an arc surface is formed on the side surface of the plate structure close to the end, a tapered column is fixedly connected on the bottom head 42, and the top end of the reset spring 3 is sleeved on the tapered column, so as to clamp the reset spring 3 and prevent it from being deviated, under the pushing of the reset spring 3, the bottom head 42 abuts against the elastic deformation hook 14, a special-shaped guide slot is formed on the top head 41 and matched with the special-shaped slot on the vertical plate 7, so that when the main body 1 is tightly mounted on the layer plate 6, the top head 41 can be clamped into the special-shaped guide slot on the vertical plate 7, thereby realizing the connection of the layer plate 6 and the vertical plate 7.
[0045] When the layer plate 6 and the vertical plate 7 need to be connected, the main body 1 is put into the mounting hole of the layer plate 6, the top head 41 is knocked, the arc column 43 drives the bottom head 42 to push the guide column 21 to move downward against the elastic force of the reset spring 3, the wedge block 22 at the bottom end of the guide column 21 can be clamped into the expansion tooth 16 on the main body 1, the expansion tooth 16 is expanded outward, the expansion tooth 16 is tightly abutted against the mounting hole of the layer plate 6, thereby realizing that the main body 1 is tightly mounted in the mounting hole of the layer plate 6, and since the guide block 23 is made of rubber material and has a certain elasticity and the bottom is inclinedly arranged, the guide block 23 can be clamped in the mounting hole of the layer plate 6, so that the wedge block 22 can always be clamped between the expansion tooth 16 at the lower end of the main body 1, thereby improving the fastening effect of the expansion tooth 16.
[0046] Subsequently under the action of reset spring 3 elastic force, can pull rod 4 back to the original position, then the pull rod 4 top head 41 aligns with the special-shaped slot on the stand plate 7, and the top head 41 is clamped into the special-shaped slot, and is pushed into position, to realize the connection of the layer plate 6 and the stand plate 7.
[0047] Need to explain, buckle cover plate 5 includes upper buckle hook 51 and lower buckle hook 52, and the arc-shaped plate is fixedly connected between the upper buckle hook 51 and the lower buckle hook 52, and the bottom end of the upper buckle hook 51 is fixedly connected with the limiting block 53, the length of the hook groove in the lower buckle hook 52 is matched with the length of the vertical plate 13, and the lower buckle hook 52 is buckled on the vertical plate 13; and the length of the hook groove in the upper buckle hook 51 is matched with the length of the protrusion on the upper U-shaped plate 12, and the bottom of the protrusion is in contact with the limiting block 53, so that the upper buckle hook 51 is buckled on the protrusion, and the limiting block 53 plays a limiting role on the upper buckle hook 51, and the top of the upper buckle hook 51 is fixedly connected with the depth column 54.
[0048] When the main body 1 is inserted into the layer plate 6 mounting hole, the depth column 54 top surface and the mounting hole outer mouth are flush, indicating that the mounting hole depth processing is qualified.
[0049] Those skilled in the art should understand that the discussion of the above any embodiment is only exemplary, and is not intended to imply that the scope of the utility model is limited to these examples; under the idea of the utility model, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in details for the sake of simplicity.
[0050] The embodiments of the utility model are intended to cover all such alternatives, modifications and variations falling within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A concealed wedge-type sliding fastener for panel furniture, used to connect shelves and uprights, wherein the shelves have mounting holes and the uprights have irregularly shaped grooves, characterized in that... The utility model relates to a wedge needle fixing device for floorboard, which comprises a main body (1), a wedge needle (2), a reset spring (3), a pull rod (4) and a buckling cover plate (5). The buckling cover plate (5) is buckled on the main body (1), the bottom end of the main body (1) is provided with an expansion part, the inside of the main body (1) is provided with a storage space, the bottom end of the wedge needle (2) is provided with a pressing part, the wedge needle (2) and the pull rod (4) are located in the storage space of the main body (1), the pull rod (4) is located above the wedge needle (2), the top end of the pull rod (4) extends outside the main body (1), the reset spring (3) is sleeved on the wedge needle (2), the main body (1) is put into the mounting hole of the floorboard, the exposed part of the pull rod (4) is knocked, the pull rod (4) can overcome the elastic force of the reset spring (3) and push the wedge needle (2) to move downwards, the pressing part of the bottom end of the wedge needle (2) can be clamped into the expansion part of the main body (1), the expansion part is expanded outward, the expansion part is tightly abutted in the mounting hole of the floorboard, so that the main body (1) is tightly fixed in the floorboard.
2. A concealed dovetail slide and snap connector for panel furniture according to claim 1, characterized in that The main body (1) comprises a lower U-shaped plate (11) and an upper U-shaped plate (12), the outer sides of the two ends of the lower U-shaped plate (11) are provided with planes, the two ends of the upper U-shaped plate (12) extend outward to form protrusions, and a supporting plate is connected between the lower U-shaped plate (11) and the upper U-shaped plate (12), a storage space for placing the wedge needle (2) and the pull rod (4) is formed between the lower U-shaped plate (11) and the upper U-shaped plate (12). The top end of the lower U-shaped plate (11) is fixedly connected with two symmetrical vertical plates (13), the top of the vertical plate (13) is fixedly connected with an elastically deformed hook (14), and the expansion part is arranged on the bottom end of the lower U-shaped plate (11).
3. A concealed dovetail slide and snap connector for panel furniture according to claim 2, characterized in that The expansion part comprises two inclined plates (15), and the two inclined plates (15) are fixedly connected to the bottom end of the lower U-shaped plate (11), and the bottom end of the inclined plate (15) is fixedly connected with an expansion tooth (16).
4. A concealed dovetail slide and snap connector for panel furniture according to claim 3, characterized in that The wedge needle (2) comprises a guide column (21), and the reset spring (3) is sleeved on the guide column (21), the pressing part is a wedge-shaped block (22), and the wedge-shaped block (22) is fixedly connected to the bottom end of the guide column (21).
5. A concealed dovetail slide and snap connector for panel furniture according to claim 4, characterized in that The wedge-shaped block (22) is fixedly connected with two guide blocks (23), the guide blocks (23) extend outside the inclined plates (15), and in the process that the guide column (21) pushes the wedge-shaped block (22) to be clamped into the expansion tooth (16), the guide blocks (23) can be clamped into the mounting hole of the floorboard, so that the wedge-shaped block (22) can be clamped between the expansion teeth (16) at the lower end of the main body (1) at all times.
6. A concealed dovetail slide and snap connector for panel furniture according to claim 2, wherein The pull rod (4) comprises a top head (41) and a bottom head (42), an arc-shaped column (43) is fixedly connected between the top head (41) and the bottom head (42), a tapered column is fixedly connected to the bottom head (42), and the top end of the reset spring (3) is sleeved on the tapered column, and under the pushing of the reset spring (3), the bottom head (42) abuts against the elastically deformed hook (14).
7. A concealed dovetail slide and snap connector for panel furniture according to claim 6, characterized in that The top head (41) is provided with a special-shaped guide slot matched with the special-shaped slot of the vertical plate, so that when the main body (1) is tightly installed on the layer plate, the top head (41) can be clamped into the special-shaped guide slot of the vertical plate, thereby realizing the connection of the layer plate and the vertical plate.
8. A concealed dovetail slide and snap connector for panel furniture according to claim 1, characterized in that, The buckle cover plate (5) comprises an upper buckle hook (51) and a lower buckle hook (52), and an arc-shaped plate is fixedly connected between the upper buckle hook (51) and the lower buckle hook (52), and the bottom end of the upper buckle hook (51) is fixedly connected with a limiting block (53), the length of the hook groove in the lower buckle hook (52) is matched with the length of the vertical plate (13), and the length of the hook groove in the upper buckle hook (51) is matched with the length of the protrusion on the upper U-shaped plate (12), and the bottom of the protrusion is in contact with the limiting block (53).
9. A concealed dovetail slide and snap connector for panel furniture according to claim 8, characterized in that The top of the upper buckle hook (51) is fixedly connected with a depth column (54).