Self-locking connection structure of light wallboard for subway equipment housing and light wallboard

Abstract

The utility model provides a kind of self-locking connection structure and light wallboard for light wallboard of subway equipment house, including main connecting part, for first heavy transverse constraint, main connecting part includes the main tenon of being set to the first wallboard one side and the main mortise of being set to the corresponding side of second wallboard, and with the shape complement of main tenon;Nested elastic self-locking part, for second heavy transverse constraint and longitudinal locking, set to main connecting part;Nested elastic self-locking part includes two groups of secondary connection units arranged in upper and lower, secondary connection unit includes the secondary tenon of being set to the outside of main tenon and the secondary recess of being set to the inside of main mortise, and secondary tenon can be inserted;Secondary recess from top to bottom integrally includes open insertion slot, gradually reduced sliding guide groove and fixed connection groove, and the front end of sliding guide groove and fixed connection groove is provided with fence structure, through the synergistic effect of main connecting part and nested elastic self-locking part, anti-vibration, fast assembly, easy to disassemble, realize the comprehensive promotion of connection performance.

Description

Technical Field

[0001] This utility model belongs to the field of subway building component technology, specifically relating to a self-locking connection structure for lightweight wall panels used in subway equipment rooms and the lightweight wall panels themselves. Background Technology

[0002] The internal partitions of subway equipment rooms (such as ventilation rooms, power distribution rooms, and signal equipment rooms) are subjected to periodic vibrations from train operation over long periods of time, with large fluctuations in ambient humidity, and strict standards for dust and moisture prevention. At the same time, the short construction window requires the partition system to be able to be installed quickly; the need for maintenance or replacement of equipment in the future also requires the partition structure to be easy to disassemble and reuse.

[0003] Existing lightweight wall panel connection methods, such as metal connectors, are prone to loosening and corrosion, adhesives are prone to aging and irreversible, and traditional mortise and tenon joints are insufficient in preventing loosening and generally do not consider convenient disassembly functions, making it difficult to meet the full-cycle use needs of the subway environment.

[0004] Therefore, there is an urgent need for a self-locking connection structure for lightweight wall panels used in subway equipment rooms, as well as lightweight wall panels that combine vibration resistance, quick assembly, and easy disassembly. Summary of the Invention

[0005] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a self-locking connection structure and lightweight wall panel for use in subway equipment rooms. This structure, through its unique self-locking mechanism and detachable structure, aims to systematically solve the problems of easy loosening of wall panel connections, low installation efficiency, and difficulty in maintenance in the subway environment from a structural principle perspective.

[0006] To achieve the above objectives, on the one hand, this utility model proposes a self-locking connection structure for lightweight wall panels in subway equipment rooms, used to connect adjacent wall panels, comprising: The main connecting part is used to form the first lateral constraint. The main connecting part includes a main tenon disposed on one side of the first wall panel and a main mortise disposed on the corresponding side of the second wall panel, which is complementary in shape to the main tenon. A nested elastic self-locking part, used to form a second layer of lateral constraint and longitudinal locking, is disposed on the main connecting part; the nested elastic self-locking part includes two sets of secondary connecting units arranged vertically, each secondary connecting unit including a secondary tenon disposed outside the main tenon and a secondary groove disposed inside the main mortise and capable of inserting the secondary tenon; the secondary groove integrally includes an open insertion groove, a tapered sliding guide groove and a fixed connecting groove from top to bottom, and the front end of the sliding guide groove and the fixed connecting groove is provided with a retaining structure.

[0007] Furthermore, the nested elastic self-locking part also includes a locking connection part for forming a second longitudinal locking. The locking connection part is integrally connected to the bottom of the secondary connection unit located at the lower part, including an elastic latch provided at the bottom of the secondary tenon at the lower part and a slot integrally connected to the bottom of the secondary groove at the lower part. When the secondary tenon at the lower part is inserted into the bottom of the secondary groove, the elastic latch engages with the slot.

[0008] Furthermore, the elastic latch is provided with a first guide slope and a locking plane, and the slot is provided with a locking plane that cooperates with the locking plane.

[0009] Furthermore, it also includes a seal for pressing during assembly, which is fixedly disposed on the inner wall of the main mortise.

[0010] Furthermore, the main tenon and the main mortise have mutually compatible trapezoidal cross sections.

[0011] Furthermore, the width of the open insertion groove is greater than the width of the sliding guide groove, the width of the sliding guide groove is greater than the width of the fixed connection groove, and the width of the fixed connection groove is adapted to the maximum width of the secondary tenon so that the secondary tenon can be tightly inserted.

[0012] Furthermore, the secondary tenon has a T-shaped cross-section; the open insertion groove and the fixed connection groove are both rectangular; and the sliding guide groove has a trumpet-shaped cross-section that is larger at the top and smaller at the bottom.

[0013] On the other hand, this utility model proposes a lightweight wall panel, including a wall panel body and the aforementioned self-locking connection structure, wherein the self-locking connection structure is fixedly disposed on the side of the wall panel body.

[0014] Furthermore, the wall panel body is provided with a disassembly operation channel, which is used to insert an unlocking tool to disengage the elastic latch from the slot.

[0015] Furthermore, the wall panel body includes a polystyrene particle core layer, a fiber-reinforced mesh layer wrapped around the polystyrene particle core layer, and a calcium silicate board surface layer wrapped around the fiber-reinforced mesh layer.

[0016] Compared with the prior art, the advantages of this utility model are as follows: This utility model embodiment achieves a comprehensive improvement in connection performance through the synergistic effect of the main connecting part and the nested elastic self-locking part, which provides vibration resistance, quick assembly, and easy disassembly.

[0017] The nested elastic self-locking part of this utility model embodiment has two-point positioning, which ensures precise installation. Through the joint action of the upper and lower secondary units, it prevents the wall panel from twisting, and the sliding guide groove automatically calibrates the angle.

[0018] This utility model embodiment achieves double self-locking by forming horizontal and vertical bidirectional constraints through the main connecting part and the nested elastic self-locking part, effectively resisting multi-directional vibration.

[0019] This utility model embodiment has a sealing element fixed on the inner wall of the main mortise. The sealing element is pressed simultaneously during assembly, which prevents dust and moisture and has an excellent sealing effect.

[0020] This utility model embodiment allows for quick release of the locking mechanism by pre-setting an operating channel on the wall panel body, facilitating maintenance.

[0021] The wall panel of this utility model embodiment has a strong and tough main structure, and the three-layer composite structure of the matching wall panel is lightweight and high-strength. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the lightweight wall panel according to an embodiment of the present utility model; Figure 2 This is a cross-sectional view of the multi-layer composite structure of the lightweight wall panel according to an embodiment of the present utility model; Figure 3 This is a front view schematic diagram of a lightweight wall panel according to an embodiment of this utility model; Figure 4 yes Figure 3 Cross-sectional view at point A; Figure 5 This is a schematic diagram of the cross-section after two wall panels are connected; Figure 6 This is a side view of a lightweight wall panel according to an embodiment of the present utility model; Figure 7 yes Figure 1 Enlarged view of a section at point I; Figure 8 This is a partial view of a lightweight wall panel according to an embodiment of the present utility model; Figure 9 This is the working state of the elastic latch of this utility model. Figure 1 (Unlocked state under pressure and contraction); Figure 10 This is the working state of the elastic latch of this utility model. Figure 2 (The locked state that automatically pops up after being in position); Figure 11 This is the working state of the elastic latch of this utility model. Figure 3 (Unlocked state, pressed down by tools during disassembly).

[0023] In the above figures: 1. Main tenon; 2. Main mortise; 3. Secondary tenon; 4. Secondary groove; 41. Open insertion groove; 42. Sliding guide groove; 43. Fixed connection groove; 44. Enclosure structure; 5. Elastic latch; 51. First guide slope; 52. Locking plane; 6. Locking groove; 61. Second guide slope; 62. Locking plane; 7. Sealing element; 8. Disassembly operation channel; 9. Wall panel body; 91. Polystyrene particle core layer; 92. Fiber reinforced mesh layer; 93. Calcium silicate board surface layer. Detailed Implementation

[0024] To facilitate understanding of this utility model by those skilled in the art, the specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0025] To make it easier to understand, let's elaborate on the basic structure of lightweight wall panels, such as... Figure 1 As shown, the lightweight wall panel includes a wall panel body, and a self-locking connection structure is fixedly installed on the side of the wall panel body. For example... Figure 2 As shown, the wall panel body 9 includes a polystyrene particle core material layer 91, a fiber reinforced mesh layer 92 wrapped around the polystyrene particle core material layer 91, and a calcium silicate board surface layer 93 wrapped around the fiber reinforced mesh layer 92.

[0026] To facilitate the disassembly of the self-locking connection structure, a disassembly operation channel 8 is provided on the wall panel body. (See [reference]) Figure 1 The disassembly operation channel 8 is used to insert the unlocking tool so that the elastic latch 5 disengages from the slot 6.

[0027] like Figure 3 , 4 As shown, this utility model proposes a self-locking connection structure for lightweight wall panels in subway equipment rooms, used to connect adjacent wall panels, including a main connecting part, a nested elastic self-locking part and a sealing element 7, to achieve a comprehensive improvement in connection performance.

[0028] Specifically, the main connecting part forms the first layer of lateral constraint, and includes a main tenon 1 disposed on one side of the first wall panel and a main mortise 2 disposed on the corresponding side of the second wall panel, which is complementary in shape to the main tenon 1. In this embodiment, the main tenon 1 and the main mortise 2 have mutually adaptable trapezoidal cross sections. In this way, the main connecting part provides a reliable first layer of lateral constraint through the self-locking of the inclined surface of the trapezoidal tenon and mortise.

[0029] The sealing element 7 is used to press the main tenon 1 and the main mortise 2 together during assembly. The sealing element 7 is fixedly embedded in the inner wall of the main mortise 2. Specifically, in this embodiment, the sealing element 7 is fixedly embedded in the trapezoidal waist wall of the main mortise 2, and the sealing element 7 is an elastic sealing strip. In this way, through the cooperation between the elastic sealing strip pre-embedded in the main mortise 2 and the main tenon 1, a continuous sealing barrier is formed simultaneously when the structure is closed.

[0030] The nested elastic self-locking part is used to form a second layer of lateral constraint and a first layer of longitudinal locking, and it is fixedly mounted on the main connecting part. Specifically, the nested elastic self-locking part includes two sets of secondary connecting units arranged vertically. The secondary connecting unit includes a secondary tenon 3 located outside the main tenon 1 and a secondary groove 4 located inside the main mortise 2, which allows the secondary tenon 3 to be inserted. The secondary groove 4 integrally includes an open insertion groove 41, a tapered sliding guide groove 42, and a fixed connecting groove 43 from top to bottom. The front end of the fixed connecting groove 43 is provided with a retaining structure 44. In this way, the upper and lower secondary grooves 4 each have a three-section structure of "open joint area - sliding guide groove 42 - enclosure-type fixing cavity", which precisely complements the contour of the corresponding secondary tenon 3. The secondary tenon 3 is inserted into the secondary groove 4. During the insertion process, the secondary tenon 3 moves downward in the secondary groove 4 by gravity and becomes tighter and tighter. The structural enclosure achieves the limit, thereby providing a second layer of lateral constraint and a first layer of longitudinal locking.

[0031] Furthermore, the width of the open insertion groove 41 is greater than the width of the sliding guide groove 42, the width of the sliding guide groove 42 is greater than the width of the fixed connection groove 43, and the width of the fixed connection groove 43 is adapted to the maximum width of the secondary tenon 3 so that the secondary tenon 3 can be tightly inserted. Furthermore, the cross-section of the secondary tenon 3 is T-shaped; the open insertion groove 41 and the fixed connection groove 43 are both rectangular, and the cross-section of the sliding guide groove 42 is trumpet-shaped, wider at the top and narrower at the bottom. In this way, through the combined action of the upper and lower secondary units, the wall panel is prevented from twisting, and the sliding guide groove 42 can automatically adjust its angle.

[0032] The nested elastic self-locking part also includes a locking connection part, which forms a second layer of longitudinal locking. The locking connection part is integrally connected to the bottom of the lower secondary connecting unit, including an elastic latch 5 located at the bottom of the lower secondary protrusion 3 and a locking groove 6 integrally connected to the bottom of the lower secondary groove 4. When the lower secondary protrusion 3 is inserted into the bottom of the secondary groove 4, the elastic latch 5 engages with the locking groove 6. Thus, by integrating an integral elastic latch 5 and locking groove 6 only at the bottom of the lower secondary protrusion 3 and secondary groove 4, a second layer of longitudinal locking, i.e., the final locking, is achieved. The upper secondary groove 4 mainly serves a guiding and anti-torsion function, while the lower secondary groove 4 completes the locking based on the guiding function.

[0033] Specifically, the elastic latch 5 is provided with a first guide slope 51 and a locking plane 52, and the slot 6 is provided with a corresponding second guide slope 61 and a locking plane 62. This arrangement allows the elastic latch 5 to smoothly engage with the slot 6 and achieve a stable engagement state.

[0034] like Figures 5-10 As shown, the installation process of the lightweight wall panel with self-locking connection structure is as follows: 1. Fixing the reference plate: Use the first wall panel as the reference plate and fix it vertically to the ground or structure according to the design position.

[0035] 2. Lifting and Alignment: The worker vertically lifts the second wall panel off the ground and aligns the upper and lower secondary tenons 3 with the corresponding upper and lower secondary grooves 4 on the first wall panel on the horizontal plane. Continue lifting the second wall panel vertically until the bottom of its lower secondary tenon 3 is higher than the bottom of the open insertion groove 41 at the top of the lower secondary groove 4.

[0036] 3. Horizontal embedding: Move the second wall panel horizontally so that the insertion ends of the upper secondary tenon 3 and the lower secondary tenon 3 are fully embedded into the corresponding upper secondary groove 4 and lower secondary groove 4 open insertion slot 41, respectively.

[0037] 4. Free Fall and Locking: Release the second wall panel, allowing it to fall naturally under its own weight. The middle sliding section of the secondary tenon 3 slides downward along the corresponding sliding guide groove 42. During this process, the first guide slope 51 at the front end of the elastic latch 5 at the bottom of the lower secondary tenon 3 contacts the groove wall, forcing the latch to bend elastically. The gradual width of the sliding guide groove 42 will forcibly correct the bottom height of the second wall panel. At the same time, the main tenon 1 with a trapezoidal cross-section fully enters the main mortise 2 with a trapezoidal cross-section, and self-locks due to the trapezoidal slope, forming the first layer of lateral constraint.

[0038] 5. Final Locking and Sealing: When the end limiting sections of both the upper and lower secondary tenons 3 slide into their respective fixing grooves 43, the top of the elastic latch 5 of the lower secondary tenon 3 passes over the edge of the groove 6 and quickly springs back under its own elastic restoring force, causing the locking plane 52 to fit tightly against the locking plane 62 of the groove 6, forming a second longitudinal lock, usually accompanied by a "click" sound. During this process, the main tenon 1 has simultaneously pressed the elastic sealing strips on both sides of the main mortise 2, achieving joint sealing.

[0039] like Figure 1 , 11 As shown, the disassembly process of the lightweight wall panel with a self-locking connection structure is as follows: 1. Positioning and Preparation: Locate the pre-installed disassembly channel 8 at the bottom of the wall panel. Insert a special disassembly tool (such as a flat pry bar) into the channel, with its front end against the operating ramp at the tail of the elastic latch 5.

[0040] 2. Unlock: See Figure 11 In the figure, F indicates the direction of the force of the disassembly tool. Press the disassembly tool diagonally downwards and transmit the force to the elastic latch 5 through the operation of the inclined surface, forcing it to compress and deform, thereby causing the locking part of the elastic latch 5 to disengage from the slot 6.

[0041] 3. Separating the wall panel: While maintaining pressure on the disassembly tool, lift the second wall panel vertically upwards, so that the lower secondary tenon 3 exits from the lower secondary groove 4, and the upper secondary tenon 3 exits from the upper secondary groove 4 simultaneously, and then the wall panel can be moved horizontally apart.

[0042] 4. Removing the wall panel: Once the connecting structure is completely separated, the wall panel can be removed. The elastic sealing strip will return to its original shape after the pressure is released.

[0043] The embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. A self-locking connection structure for lightweight wall panels in subway equipment rooms, used to connect adjacent wall panels, characterized in that, include: The main connecting part is used to form the first lateral constraint. The main connecting part includes a main tenon (1) disposed on one side of the first wall panel and a main mortise (2) disposed on the corresponding side of the second wall panel and whose shape is complementary to that of the main tenon (1). A nested elastic self-locking part is used to form a second layer of lateral constraint and longitudinal locking, and is set on the main connecting part; the nested elastic self-locking part includes two sets of secondary connecting units arranged vertically, the secondary connecting unit includes a secondary tenon (3) set outside the main tenon (1) and a secondary groove (4) set inside the main mortise (2) and allowing the secondary tenon (3) to be inserted; the secondary groove (4) integrally includes an open insertion groove (41), a tapered sliding guide groove (42) and a fixed connecting groove (43) from top to bottom, and a retaining structure (44) is provided at the front end of the sliding guide groove (42) and the fixed connecting groove (43).

2. The self-locking connection structure according to claim 1, characterized in that, The nested elastic self-locking part also includes a locking connection part for forming a second longitudinal locking. The locking connection part is integrally connected to the bottom of the secondary connection unit located at the lower part, including an elastic latch (5) provided at the bottom of the secondary protrusion (3) at the lower part and a slot (6) integrally connected to the bottom of the secondary groove (4) at the lower part. When the secondary protrusion (3) at the lower part is inserted into the bottom of the secondary groove (4), the elastic latch (5) and the slot (6) are locked together.

3. The self-locking connection structure according to claim 2, characterized in that, The elastic latch (5) is provided with a first guide slope (51) and a locking plane (52), and the slot (6) is provided with a locking plane (62) that cooperates with the locking plane (52).

4. The self-locking connection structure according to claim 1 or 2, characterized in that, It also includes a seal (7) for pressing during assembly, which is fixedly disposed on the inner wall of the main mortise (2).

5. The self-locking connection structure according to claim 1, characterized in that, The main tenon (1) and main mortise (2) have cross-sections that are mutually compatible trapezoidal.

6. The self-locking connection structure according to claim 1, characterized in that, The width of the open insertion groove (41) is greater than the width of the sliding guide groove (42), the width of the sliding guide groove (42) is greater than the width of the fixed connection groove (43), and the width of the fixed connection groove (43) is adapted to the maximum width of the secondary tenon (3) so that the secondary tenon (3) can be tightly inserted.

7. The self-locking connection structure according to claim 1, characterized in that, The secondary tenon (3) has a T-shaped cross section; the open insertion groove (41) and the fixed connection groove (43) are both rectangular, and the sliding guide groove (42) has a trumpet-shaped cross section that is larger at the top and smaller at the bottom.

8. A lightweight wall panel, characterized in that, The wall panel body (9) includes a self-locking connection structure as described in any one of claims 2 to 7, wherein the self-locking connection structure is fixedly disposed on the side of the wall panel body.

9. The lightweight wall panel as described in claim 8, characterized in that, The wall panel body is provided with a disassembly operation channel (8), which is used to insert an unlocking tool to disengage the elastic latch (5) from the slot (6).

10. The lightweight wall panel as described in claim 8, characterized in that, The wall panel body (9) includes a polystyrene particle core material layer (91), the polystyrene particle core material layer (91) is wrapped with a fiber reinforced mesh layer (92), and the fiber reinforced mesh layer (92) is wrapped with a calcium silicate board surface layer (93).

Images