Combined keel three-dimensional adjustable bottom box trepanning-free connecting structure

Abstract

The utility model discloses a combined keel three-dimensional adjustable bottom box trepanning-free connecting structure which comprises a keel column, a bottom box bearing keel beam and a bottom box, the bottom box bearing keel beam comprises a keel body and a beam column clamping piece, the beam column clamping piece is a corner piece, the bottom box is fixed on the bottom box bearing keel beam through a bottom box adjusting piece, and the bottom box adjusting piece is fixed on the keel body. The bottom box adjusting piece comprises a corner support fixed to the lower corner of the bottom box and further comprises an outwards-extending adjusting lug plate, and a bottom box adjusting hole formed in the outwards-extending adjusting lug plate is in horizontal bidirectional adjustable connection with the beam upper adjusting hole through a bottom box connecting bolt. The keel beams and the keel columns are in modulus clamping connection through the beam column clamping pieces, the two kinds of beam column clamping pieces are designed, internal connection clamping and fixing with the ends of the keel beams are achieved, and three-dimensional adjustment of the bottom box is completed. The construction efficiency is high, the construction period is shortened, the construction process is simplified, the difficulty and the error rate are reduced, the decoration quality is improved, the structural stability is enhanced, the applicability is high, and the application scene is wide.

Description

Technical Field

[0001] This utility model belongs to the field of interior decoration engineering, and in particular, it is a three-dimensional adjustable base box connection structure for combined keel without drilling holes. Background Technology

[0002] Switch boxes are important components installed on wall joists. Installing a switch box can protect the switch circuit from moisture, dust or other contaminants on the wall surface, extend the life of the switch, facilitate installation, facilitate later maintenance and replacement, and at the same time provide necessary support and fixation to ensure the stability of the switch during installation and use.

[0003] Existing switch boxes are typically mounted on wall joists. If the installation location is suitable, they can be directly connected to the joists using anchors. If the installation location is unsuitable, an auxiliary mounting frame needs to be made using timber. The timber is first fixed to the joists, and then the switch box is fixed to the timber for an indirect connection to the joists. This fixed installation method clearly suffers from limitations in the switch box's installation location. Once connected to the joists, it cannot be adjusted according to the actual situation. Furthermore, the conduits connecting to the switch boxes need to pass through the wall joists. The common practice is to directly drill wiring holes in the wall joists, but these wiring holes still require determining the vertical installation position of the switch box to lay the wires through the corresponding holes. If the switch box's position needs to be adjusted, the already laid conduits also need to be readjusted, resulting in poor adaptability.

[0004] One improved method involves designing a keel-type base box crossbeam. The two ends of the crossbeam are screwed or snapped to the upright keels on both sides, and then a partition is directly installed on the crossbeam to form the base box. While this method allows adjustment of the vertical installation position of the base box by adjusting the connection between the crossbeam and the upright keels, the horizontal lateral installation position remains fixed because the base box is directly formed from the crossbeam, making adjustment difficult. Furthermore, the horizontal front-back installation position of the crossbeam requires adjustment of its position, which is extremely cumbersome.

[0005] Therefore, there is an urgent need for a base box connection structure that can be adaptively adjusted vertically, horizontally (left and right), and horizontally (front and back). The structure connection does not require drilling, and when the base box is adjusted, the pipelines on the upright keel can also adapt and do not need to be laid again. Utility Model Content

[0006] The purpose of this utility model is to provide a three-dimensional adjustable base box connection structure for combined keel, which eliminates the need for drilling to connect the base box and the keel, makes it impossible to adjust the installation position of the base box in three dimensions, and makes the wiring of the column keel need to be adjusted according to the position of the base box before installation, resulting in poor adaptability.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A three-dimensional adjustable base box connection structure for combined keel structures, without the need for drilling, includes keel columns arranged relatively parallel on both sides, a base box supporting the keel beam, and the base box itself.

[0009] The inner surface of the keel column has keel external connection holes spaced in a row along its length. The keel external connection holes on both sides of the keel column have the same module and the openings are opposite to each other.

[0010] The base box supporting the keel beam includes the keel body and beam-column fasteners. The cross-section of the keel body is a first-type groove with an opening facing downwards. It includes an integrally formed top web plate and side panels. The top web plate has adjustment holes for the beam. The beam-column fasteners are corner pieces, including an integrally formed horizontal beam connecting plate and a vertical column fastener. The horizontal beam connecting plate is inserted into the first-type groove and fixed to the keel body. The vertical column fastener extends out of the keel body and includes a vertical back plate and hook plates formed by vertically bending outwards on both sides of the back plate. The lower half of the hook plate has a hook part that adapts to the external connection hole of the keel and is locked onto the column wall of the keel column. The vertical back plate abuts against the column wall surface of the keel column.

[0011] The base box is fixed to the base box support beam by a base box adjustment component. The base box adjustment component includes a corner bracket fixed to the lower corner of the base box and an extended adjustment ear plate. The base box adjustment hole on the extended adjustment ear plate is horizontally and bidirectionally adjustable to the adjustment hole on the beam by a base box connecting bolt.

[0012] The adjustment holes on the beam are transverse elongated oval holes spaced at intervals along the length of the bottom box supporting the keel beam. The adjustment holes on the beam are either evenly distributed elongated holes or transversely staggered short holes. The overlap between adjacent staggered short holes is not less than half the length of the short hole. The adjustment holes on the bottom box are longitudinal elongated oval holes.

[0013] The horizontal beam connecting plate is a flat plate with clamp connection holes. The clamp connection holes are longitudinal elongated oval holes. The horizontal beam connecting plate is closely attached to the top web plate. The clamp connection holes are aligned with the adjustment holes on the beam and are anchored by clamp connection bolts.

[0014] The bottom end of the side panel forms an inwardly bent first locking protrusion. The cross-section of the horizontal beam connecting plate is a downward-opening second groove. The second groove is adapted to the shape of the first groove, and is engaged with both ends of the keel body. The second groove includes an integrally formed locking web and a locking side panel. The bottom end of the locking side panel forms an inwardly bent second locking protrusion. The outer wall of the second locking protrusion is engaged with the inner wall of the first locking protrusion.

[0015] Each side of the keel column consists of two single columns with an arched cross-section. Each single column includes an integrally formed central convex groove and symmetrically arranged side grooves on both sides. The central convex groove includes a central groove protrusion plate and an inner side plate. The side grooves share the same inner side plate as the central convex groove, which includes an inner side plate, a side groove bottom plate, and an outer side plate. All three side plates of the side groove have keel external connection holes. The ends of the outer side plates are bent inward to form side plates that maintain an installation distance from the central groove protrusion plate.

[0016] The central groove plate has columns of pipeline perforations spaced along its length.

[0017] The two single columns of the keel are arranged horizontally, with the side groove openings facing inward and facing each other. The cavity of the central convex groove forms a pipeline installation cavity. The side plates of the two single columns abut each other, and the two hook plates are engaged with the two external keel connection holes of the side groove bottom plate of the outer single column.

[0018] The two single columns of the keel column are arranged longitudinally with the side groove openings facing inward. The cavity between adjacent single columns forms a pipeline installation cavity. The two hook plates are respectively engaged with the keel external connection holes of the outer side plate of the two single columns.

[0019] The back panel of the bottom box has four bottom box back holes at the four corners. The bottom box back holes are radial oblique elongated holes. The bottom box back holes and the bottom box fixing holes on the corner brackets are fixedly connected by connectors.

[0020] The corner bracket and the extended adjustment ear plate are integrally formed. The corner bracket includes a back support plate and a side support plate. The back support plate is attached to the back plate of the bottom box, and the side support plate is attached to the side plate of the bottom box. The bottom box fixing hole is opened on the back support plate. The extended adjustment ear plate is perpendicular to the side support plate and is fixedly connected.

[0021] Compared with the prior art, this utility model has the following features and beneficial effects:

[0022] This utility model discloses a three-dimensional adjustable base box connection structure with a combined keel, eliminating the need for drilling holes. The design incorporates an inverted U-shaped keel beam supporting the base box and an integrally molded arch-shaped open keel column. The keel beam and column are modularly connected via beam-column clips, allowing for vertical adjustment of the keel beam and thus adjusting the vertical installation position of the base box. Two types of beam-column clips are designed: one anchors to the keel beam via clip-connecting bolts, while the other features an inverted U-shaped deformation for internal locking to the end of the keel beam, achieving a hole-free connection. Furthermore, the base box is bidirectionally adjustable via elongated holes in the base box adjustment components and elongated holes in the keel beam, allowing for adjustment of the base box's horizontal and vertical installation position relative to the keel beam. The entire system requires only fixing the adjustable base box and its adjustment components to achieve three-dimensional adjustment of the base box.

[0023] This invention offers cost-effectiveness, reduces the types and quantities of materials required, increases construction efficiency, shortens the construction period, simplifies the construction process, and lowers difficulty and error rates. It also improves decorative quality, enhances structural stability, has high applicability, and is suitable for a wide range of applications. Attached Figure Description

[0024] The present invention will now be described in further detail with reference to the accompanying drawings.

[0025] Figure 1 This is a schematic diagram of the structure of a single column arranged horizontally in Embodiment 1 of this utility model.

[0026] Figure 2 yes Figure 1 A magnified schematic diagram of a local structure.

[0027] Figure 3 yes Figure 2 A schematic diagram of the structure viewed from below.

[0028] Figure 4 yes Figure 2 A schematic diagram of the rear view structure.

[0029] Figure 5 This is a schematic diagram of the connection between the beam-column clamps and the keel body in Example 1.

[0030] Figure 6 yes Figure 5 A schematic diagram of the structure viewed from below.

[0031] Figure 7 This is a schematic diagram showing the connection between the beam-column clamps and the keel column.

[0032] Figure 8 This is a schematic diagram of the keel body in Example 1.

[0033] Figure 9 This is a structural schematic diagram of the beam-column clamp in Example 1.

[0034] Figure 10 This is a structural schematic diagram of the bottom box adjustment component.

[0035] Figure 11 This is a schematic diagram of the structure of a single column arranged longitudinally in Embodiment 1 of this utility model.

[0036] Figure 12 This is a schematic diagram of the structure of a single column arranged horizontally in Embodiment 2 of this utility model.

[0037] Figure 13 yes Figure 12 A magnified schematic diagram of a local structure.

[0038] Figure 14 yes Figure 13 A schematic diagram of the structure viewed from below.

[0039] Figure 15 yes Figure 13 A schematic diagram of the rear view structure.

[0040] Figure 16 This is a schematic diagram of the connection between the beam-column clamps and the keel body in Embodiment 2.

[0041] Figure 17 yes Figure 16 A schematic diagram of the structure viewed from below.

[0042] Figure 18 This is a schematic diagram of the keel body in Example 2.

[0043] Figure 19 This is a structural schematic diagram of the beam-column clamp in Example 2.

[0044] Figure label:

[0045] 1 - Keel column, 11 - Central groove, 111 - Central groove protrusion plate, 112 - Inner side plate, 12 - Side groove, 121 - Side groove bottom plate, 122 - Outer side plate, 123 - Side plate, 13 - Pipeline installation cavity, 14 - Installation spacing, 15 - Pipeline perforation on column, 16 - Keel external connection hole

[0046] 2 - Base box supporting the keel beam; 21 - Keel body; 211 - Top web plate; 212 - Side plate; 2121 - First locking protrusion; 213 - Adjustment hole on beam; 21a - Long hole; 21b - Short hole; 22 - Beam-column fastener; 221 - Horizontal beam connecting plate; 2211 - Connecting web plate; 2212 - Connecting side plate; 2213 - Second locking protrusion; 222 - Vertical column fastener; 2221 - Vertical back plate; 2222 - Hook plate; 2223 - Hook part; 223 - Fastener connection hole

[0047] 3 - Base box, 31 - Back panel, 32 - Back hole of base box, 33 - Side panel

[0048] 4 - Base box adjustment component, 41 - Corner bracket, 411 - Base box fixing hole, 412 - Connector, 413 - Back support plate, 414 - Side support plate, 42 - Extending adjustment ear plate, 43 - Base box adjustment hole

[0049] 5 - Base box connecting bolt, 6 - Clip connecting bolt, 7 - Pipeline. Detailed Implementation

[0050] See Example 1 Figure 1-11 As shown, a three-dimensional adjustable base box connection structure for combined keel without drilling includes keel columns 1 arranged relatively parallel on both sides, a base box supporting keel beam 2, and a base box 3.

[0051] The inner surface of the keel column 1 is provided with keel external connection holes 16 spaced along the length direction. The keel external connection holes 16 on both sides of the keel column 1 have the same module and the openings are opposite to each other.

[0052] The base box supporting the keel beam 2 includes a keel body 21 and a beam-column clamp 22. The cross-section of the keel body is a first U-shaped groove with an opening facing downwards. It includes an integrally formed top web plate 211 and side panels 212. The top web plate 211 has an adjustment hole 213 on the beam. The beam-column clamp 22 is a corner piece, including an integrally formed horizontal beam connecting plate 221 and a vertical column clamping plate 222. The horizontal beam connecting plate 221 is inserted into the first U-shaped groove and fixed to the keel body 21. The vertical column clamping plate 222 extends out of the keel body 21 and includes a vertical back plate 2221 and hook plates 2222 formed by bending vertically outwards on both sides of the back plate. The lower half of the hook plate 2222 has a hook part 2223 that adapts to the keel external connection hole 16 and is clamped on the column wall of the keel column 1. The vertical back plate 22a abuts against the column wall surface of the keel column 1. The keel external connection hole 16 is a vertical rectangular hole or an oblong hole.

[0053] The bottom box 3 is fixed to the bottom box support beam 2 by the bottom box adjustment component 4. The bottom box adjustment component 4 includes a corner bracket 41 fixed to the lower corner of the bottom box 3, and also includes an extended adjustment ear plate 42. The bottom box adjustment hole 43 opened on the extended adjustment ear plate 42 is horizontally and bidirectionally adjustable to the adjustment hole 213 on the beam by the bottom box connecting bolt 5.

[0054] The beam adjustment holes 213 are transverse elongated oval holes spaced at intervals along the length of the bottom box supporting the keel beam 2. The beam adjustment holes 213 are also transversely staggered short holes 21b. The overlap between adjacent staggered short holes 21b is not less than half the length of the short hole 21b. The bottom box adjustment hole 43 is a longitudinally arranged elongated oval hole. The horizontal beam connecting plate 221 is a flat plate with clamp connection holes 223. These clamp connection holes 223 are longitudinally elongated oval holes. The horizontal beam connecting plate 221 is tightly attached to the top web plate 211, and the clamp connection holes 223 are aligned with the beam adjustment holes 213 and anchored by clamp connection bolts 6.

[0055] The back plate 31 of the bottom box 3 has four bottom box back holes 32 at its four corners. The bottom box back holes 32 are radial oblique elongated holes. The bottom box back holes 32 are fixedly connected to the bottom box fixing holes 411 on the corner brackets 41 by connectors 412. The corner brackets 41 and the extended adjustment ears 42 are integrally formed. The corner brackets include a back support plate 413 and a side support plate 414. The back support plate 413 fits against the back plate 31 of the bottom box 3, and the side support plate 414 fits against the side plate 33 of the bottom box 3. The bottom box fixing holes 411 are opened on the back support plate 413. The extended adjustment ears 42 are perpendicular to the side support plate 414 and are fixedly connected.

[0056] See Example 2 Figure 7 , 10As shown in Figures 12-19, unlike Embodiment 1, the adjustment holes 213 on the beam are evenly distributed elongated holes 21a, the bottom end of the side plate 212 forms an inwardly bent first locking protrusion 2121, the cross-section of the horizontal beam connecting plate 221 is a downward-opening second U-shaped groove, the shape of the second U-shaped groove is adapted to the first U-shaped groove, it is engaged with both ends of the keel body 21, and the second U-shaped groove includes an integrally formed locking web plate 2211 and a locking side plate 2212, the bottom end of the locking side plate 2212 forms an inwardly bent second locking protrusion 2213, and the outer wall of the second locking protrusion 2213 is engaged with the inner wall of the first locking protrusion 2121.

[0057] In both embodiments, each side of the keel column 1 consists of two single columns with an arched cross-section. Each single column includes an integrally formed central convex groove 11 and symmetrically arranged side grooves 12. The plates of the central convex groove 11 and the side grooves 12 are all bent vertically, forming an arc at the bend. The central convex groove 11 includes a central groove protrusion plate 111 and an inner side plate 112. The side grooves 12 share the inner side plate 112 with the central convex groove 11, which includes the inner side plate 112, the side groove bottom plate 121, and the outer side plate 122. The three side plates of the side groove 12 are all provided with keel external connection holes 16. The end of the outer side plate is bent inward to form a side plate 123 that maintains an installation distance 14 from the central groove protrusion plate 111.

[0058] Two single columns of the keel column 1 are arranged horizontally, with the openings of the side grooves 12 facing inwards and facing each other. The cavity of the central convex groove 11 forms a pipeline installation cavity 13. The side plates 123 of the two single columns abut against each other, and the two hook plates 2222 are engaged with the two external keel connection holes 16 of the side groove bottom plate 121 of the outer single column. The pipeline 7 is laid in the pipeline installation cavity 13.

[0059] When the two single columns of the keel column 1 are arranged longitudinally, the openings of the side grooves 12 are arranged facing inwards and opposite each other. The cavity between the adjacent single columns forms the pipeline installation cavity 13. The two hook plates 2222 are respectively hooked into the keel external connection holes 16 of the outer side plates 122 of the two single columns.

[0060] In other embodiments, column pipeline perforations 15 may also be arranged in rows along the length direction on the central groove protrusion plate 111, so that auxiliary pipelines can pass through the keel column 1.

[0061] The installation method for this combination keel three-dimensional adjustable base box hole-free connection structure is as follows:

[0062] Step 1: Perform measurement and layout, locate the position of each component, and select the setting direction of the two single columns in keel column 1;

[0063] Step 2: Connect the horizontal beam connecting plate 221 of the beam-column clamp 22 to the keel body 21;

[0064] Step 3: According to the vertical design position of the bottom box 3, connect the vertical column plate 222 of the beam and column clip 22 to the keel column 1.

[0065] Step 4: Align the bottom box with the adjustment hole 43 on the beam at the designed position via the extended adjustment ear plate 42 on the bottom box adjustment piece 4, and then precisely adjust the bottom box to the designed position in both directions.

[0066] Step 5: Tighten the bottom box connecting bolt 5 to complete the installation.

Claims

1. A hole-free connection structure for a combined keel three-dimensional adjustable base box, characterized in that: It includes keel columns (1) arranged relatively parallel on both sides, a bottom box supporting the keel beam (2) and a bottom box (3). The inner surface of the keel column (1) is provided with keel external connection holes (16) spaced apart along the length direction. The keel external connection holes (16) of the two keel columns (1) have the same module and the openings are opposite to each other. The bottom box supporting the keel beam (2) includes the keel body (21) and the beam-column clamp (22). The cross-section of the keel body is a first U-shaped groove with an opening facing downwards. It includes an integrally formed top web plate (211) and side panels (212). The top web plate (211) has beam adjustment holes (213). The beam-column clamp (22) is a corner piece, including an integrally formed horizontal beam connecting plate (221) and vertical column clamp (222). The horizontal beam connecting plate (221) Inserted into the first U-shaped groove and fixed to the keel body (21), the vertical column clamping plate (222) extends out of the keel body (21), including a vertical back plate (2221) and a hook plate (2222) formed by bending vertically outward on both sides of the back plate. The lower half of the hook plate (2222) is provided with a hook part (2223) that is adapted to the keel external connection hole (16) and is clamped on the column wall of the keel column (1). The vertical back plate (2221) abuts against the column wall surface of the keel column (1). The bottom box (3) is fixed to the bottom box support beam (2) by the bottom box adjustment component (4). The bottom box adjustment component (4) includes a corner bracket (41) fixed to the lower corner of the bottom box (3) and an extended adjustment ear plate (42). The bottom box adjustment hole (43) on the extended adjustment ear plate (42) and the adjustment hole (213) on the beam are horizontally and bidirectionally adjustable by the bottom box connecting bolt (5).

2. The three-dimensional adjustable base box hole-free connection structure of the combined keel according to claim 1, characterized in that: The beam adjustment hole (213) is a transverse elongated hole spaced along the length of the bottom box supporting the keel beam (2). The beam adjustment hole (213) is a uniformly distributed elongated hole (21a) or a transversely staggered short hole (21b). The overlapping part between adjacent staggered short holes (21b) is not less than half the length of the short hole (21b). The bottom box adjustment hole (43) is a longitudinally arranged elongated hole.

3. The three-dimensional adjustable base box hole-free connection structure of the combined keel according to claim 1, characterized in that: The horizontal beam connecting plate (221) is a flat plate. The horizontal beam connecting plate (221) is provided with a clamping connection hole (223). The clamping connection hole (223) is a longitudinal elongated oval hole. The horizontal beam connecting plate (221) is closely attached to the top web plate (211). The clamping connection hole (223) is aligned with the adjustment hole (213) on the beam and anchored by the clamping connection bolt (6).

4. The three-dimensional adjustable base box connection structure for combined keel according to claim 1, characterized in that: The bottom end of the side panel (212) forms an inwardly bent first latching protrusion (2121). The cross-section of the horizontal beam connecting plate (221) is a downward-opening second U-shaped groove. The second U-shaped groove is adapted to the shape of the first U-shaped groove, and is engaged with both ends of the keel body (21). The second U-shaped groove includes an integrally formed latching web plate (2211) and a latching side plate (2212). The bottom end of the latching side plate (2212) forms an inwardly bent second latching protrusion (2213). The outer wall of the second latching protrusion (2213) is engaged with the inner wall of the first latching protrusion (2121).

5. The three-dimensional adjustable base box hole-free connection structure of the combined keel according to claim 1, characterized in that: Each side of the keel column (1) consists of two single columns with an arch-shaped opening structure in cross section. The single column includes an integrally formed central convex groove (11) and side grooves (12) with symmetrical structures on both sides. The central convex groove (11) includes a central groove convex plate (111) and an inner side plate (112). The side groove (12) shares the inner side plate (112) with the central convex groove (11), including the inner side plate (112), the side groove bottom plate (121), and the outer side plate (122). The three side plates of the side groove (12) are all opened with keel external connection holes (16). The end of the outer side plate is bent inward to form a side plate (123) that maintains the installation distance (14) with the central groove convex plate (111).

6. The three-dimensional adjustable base box hole-free connection structure of the combined keel according to claim 5, characterized in that: The central groove protrusion plate (111) has column pipeline perforations (15) spaced along the length direction.

7. The three-dimensional adjustable base box hole-free connection structure of the combined keel according to claim 5, characterized in that: The two single columns of the keel column (1) are arranged horizontally, with the side groove (12) opening inward and facing each other. The cavity of the central convex groove (11) forms the pipeline installation cavity (13). The side plates (123) of the two single columns abut against each other, and the two hook plates (2222) are correspondingly engaged with the two keel external connection holes (16) of the side groove bottom plate (121) of the outer single column.

8. The three-dimensional adjustable base box hole-free connection structure of the combined keel according to claim 5, characterized in that: The two single columns of the keel column (1) are arranged longitudinally, and the side groove (12) is set facing inward. The cavity between the adjacent single columns forms the pipeline installation cavity (13). The two hook plates (2222) are respectively hooked to the keel external connection hole (16) of the outer side plate (122) of the two single columns.

9. The three-dimensional adjustable base box hole-free connection structure of the combined keel according to claim 1, characterized in that: The back plate (31) of the bottom box (3) has four bottom box back holes (32) at the four corners. The bottom box back holes (32) are radial oblique elongated holes. The bottom box back holes (32) and the bottom box fixing holes (411) on the corner bracket (41) are fixedly connected by connectors (412).

10. The three-dimensional adjustable base box hole-free connection structure of the combined keel according to claim 9, characterized in that: The corner bracket (41) and the extended adjustment ear plate (42) are integrally formed. The corner bracket includes a back support plate (413) and a side support plate (414). The back support plate (413) fits against the back plate (31) of the bottom box (3), and the side support plate (414) fits against the side plate (33) of the bottom box (3). The bottom box fixing hole (411) is opened on the back support plate (413). The extended adjustment ear plate (42) is perpendicular to the side support plate (414) and fixedly connected.

Images