CN217711297U

CN217711297U - Precast concrete superimposed sheet concatenation seam structure

Info

Publication number: CN217711297U
Application number: CN202221569575.1U
Authority: CN
Inventors: 宋祥兵; 夏海洋; 李奎
Original assignee: Dingan Runfeng Smart Building Co ltd
Current assignee: Dingan Runfeng Smart Building Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-11-01
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to a building material technical field specifically is a precast concrete superimposed sheet concatenation seam structure, one side fixedly connected with plugboard of plate body, the inserting groove has been seted up to the opposite side of plate body, the constant head tank has been seted up at the top of plugboard, the preformed hole has been seted up to one side that the plugboard was kept away from at the plate body top, preformed hole and inserting groove intercommunication, sliding connection has the screw bush in the preformed hole, screw bush and constant head tank threaded connection. The utility model discloses a sliding fit between plugboard and the inserting groove, the staff of being convenient for is in the same place two plate body splices, through with the screw bush slide in the preformed hole and with constant head tank threaded connection, realize the locking location to two plate bodies, avoid two plate bodies to take place the dislocation when the pouring and influence holistic pouring quality, make fixture block and arc draw-in groove closely laminate through the cooperation between spring and the torsional spring, accomplish the locking to the screw bush, avoid the screw bush to take place not hard up.

Description

Precast concrete superimposed sheet concatenation seam structure

Technical Field

The utility model relates to a building material technical field specifically is a precast concrete superimposed sheet concatenation seam structure.

Background

The laminated slab is a better structural form combining prefabricated concrete and cast-in-place concrete; the prefabricated prestressed thin plate (5-8 cm in thickness) and the upper cast-in-place concrete layer are combined into a whole and work together. The laminated floor slab has good integrity, the upper surface and the lower surface of the slab are smooth, the decoration of a finish coat is convenient, and the laminated floor slab is suitable for high-rise buildings and large-bay buildings with higher requirement on integral rigidity; at present, the splicing seams of the concrete composite slabs mostly adopt a steel bar framework or a binding steel bar cage which are manufactured independently, are arranged between adjacent concrete composite slabs and then are subjected to concrete pouring.

Through retrieval, the Chinese patent net discloses a concrete superimposed sheet splicing seam additional strengthening (CN 210049465U), which comprises a concrete superimposed sheet, a steel bar truss is fixedly connected to the upper end of the concrete superimposed sheet, reinforced steel plates are embedded into the concrete superimposed sheet along the longitudinal two sides, the reinforced steel plates on the two sides of the concrete superimposed sheet are arranged in a vertically staggered mode, the reinforced steel plate on one side is flush with the concrete superimposed sheet, a connecting steel plate is fixedly connected to the reinforced steel plate, a supporting plate is fixedly connected to the connecting steel plate, the supporting plate and the reinforced steel plate are arranged in parallel, an inserting plate is fixedly connected to one end, far away from the concrete superimposed sheet, of the reinforced steel plate, and the inserting plate is matched with a clamping groove. The utility model discloses a when installation concrete coincide prefabricated plate, the reinforcement steel sheet of adjacent concrete coincide prefabricated plate lateral wall can superpose together, and the joint groove can match each other with the plugboard and peg graft together, makes the concrete interact who strengthens steel sheet and post-pouring and strengthens being connected. However, the equipment lacks a temporary detachable fixing structure after splicing the two laminated plates, so that the two plate bodies are easily dislocated due to external force impact during pouring, and the integral pouring quality is further influenced; accordingly, one skilled in the art provides a precast concrete composite slab splicing seam structure to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a precast concrete superimposed sheet concatenation seam structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a precast concrete superimposed sheet concatenation seam structure, which comprises a plate body, one side fixedly connected with plugboard of plate body, the inserting groove has been seted up to the opposite side of plate body, the constant head tank has been seted up at the top of plugboard, the preformed hole has been seted up to one side that the plugboard was kept away from at the plate body top, preformed hole and inserting groove intercommunication, sliding connection has the screw thread bush in the preformed hole, screw thread bush and constant head tank threaded connection.

As a further aspect of the present invention: the outer surface of the insertion plate is wrapped with a waterproof felt which is attached to the inner wall of the insertion groove, and a reinforcing rib is fixedly connected to the outer wall of one side of the insertion plate, which is far away from the plate body.

As a further aspect of the present invention: the inner wall of the inserting groove is evenly provided with inserting holes, and the inserting holes are connected with the reinforcing ribs in a sliding mode.

As a further aspect of the present invention: sliding connection has the dwang in the inner chamber of screw bush, the bilateral symmetry rigid coupling of dwang has two connecting pieces, be equipped with elastic component one on the connecting piece, the connecting piece passes through elastic component one and is connected with the fixture block, fixture block and arc draw-in groove laminating, the arc draw-in groove has two, and two arc draw-in groove symmetric distribution are in the both sides of preformed hole, the spacing groove has been seted up to screw bush's inner chamber bottom, the spacing inslot is equipped with elastic component two, the bottom of dwang extends to the laminating of spacing inslot and elastic component two.

As a further aspect of the present invention: the first elastic component comprises a rotating shaft and a torsional spring, the rotating shaft is connected with the connecting piece in a rotating mode, the torsional spring is installed on the connecting piece, the torsional spring is sleeved on the rotating shaft, the clamping block is sleeved with the rotating shaft, openings are formed in the two sides of the threaded bushing, and the clamping block is adaptive to the openings.

As a further aspect of the present invention: the elastic component II comprises a spring fixed at the bottom end of the inner wall of the limiting groove and a limiting block connected with the limiting groove in a sliding mode, the top end of the spring is fixedly connected with the limiting block, and the top of the limiting block is attached to the bottom end of the rotating rod.

Compared with the prior art, the beneficial effects of the utility model are that: through the sliding fit between the insertion plate and the insertion groove, the two plate bodies can be conveniently spliced together by a worker, and the two plate bodies are locked and positioned by sliding the threaded bushing into the reserved hole and being in threaded connection with the positioning groove, so that the phenomenon that the two plate bodies are staggered to influence the integral pouring quality during pouring is avoided; the elastic force that has through the torsional spring drives the epaxial fixture block of pivot and rotates and pop out the opening and slide in the arc draw-in groove, makes the stopper drive dwang upwards slide through the elastic force of spring again, and then makes fixture block and arc draw-in groove closely laminate, accomplishes the locking to the screw bush, and the screw bush takes place not hard up process that influences pouring work when avoiding the plate body to receive external force and assaults.

Drawings

FIG. 1 is a schematic view of an overall structure of a splicing seam structure of a precast concrete composite slab;

FIG. 2 is a schematic diagram of a splicing structure of two plate bodies of a splicing seam structure of a precast concrete composite slab;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is an enlarged schematic view of a portion B in fig. 3.

In the figure: 1. a plate body; 2. a plugboard; 3. reinforcing ribs; 4. inserting grooves; 5. a jack; 6. a waterproof felt; 7. positioning a groove; 8. reserving a hole; 9. a threaded bushing; 10. a spring; 11. a limiting block; 12. an arc-shaped clamping groove; 13. rotating the rod; 14. a limiting groove; 15. a connecting member; 16. a rotating shaft; 17. a torsion spring; 18. and (6) clamping blocks.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a splicing seam structure of a precast concrete composite slab includes a slab body 1, one side of the slab body 1 is fixedly connected with an insertion plate 2, the other side of the slab body 1 is provided with an insertion groove 4, the top of the insertion plate 2 is provided with a positioning groove 7, one side of the top of the slab body 1 away from the insertion plate 2 is provided with a reserved hole 8, the reserved hole 8 is communicated with the insertion groove 4, a threaded bushing 9 is slidably connected in the reserved hole 8, and the threaded bushing 9 is in threaded connection with the positioning groove 7; through the sliding fit between plugboard 2 and inserting groove 4, the staff of being convenient for splices two plate bodys 1 together, through slide into the preformed hole 8 with screw bush 9 and with constant head tank 7 threaded connection, realize the locking location to two plate bodys 1, avoid two plate bodys 1 to take place the dislocation when the pouring and influence holistic pouring quality.

The outer surface of the insertion plate 2 is wrapped with a waterproof felt 6, the waterproof felt 6 is attached to the inner wall of the insertion groove 4, and the outer wall of one side of the insertion plate 2, which is far away from the plate body 1, is fixedly connected with a reinforcing rib 3; the waterproof felt 6 wrapped on the outer surface of the insertion plate 2 can effectively ensure the waterproof performance of the splicing part of the two plate bodies 1, and water is prevented from leaking through the gap of the two plate bodies 1.

The inner wall of the inserting groove 4 is uniformly provided with inserting holes 5, and the inserting holes 5 are in sliding connection with the reinforcing ribs 3; through the sliding fit between the reinforcing ribs 3 and the jacks 5, the compressive strength of the two plate bodies 1 after splicing and installation is greatly improved, and the overall performance of the plate bodies 1 is enhanced.

A rotating rod 13 is connected in an inner cavity of the threaded bushing 9 in a sliding manner, two connecting pieces 15 are symmetrically and fixedly connected to two sides of the rotating rod 13, a first elastic assembly is arranged on each connecting piece 15, each connecting piece 15 is connected with a clamping block 18 through the first elastic assembly, the clamping blocks 18 are attached to two arc-shaped clamping grooves 12, the two arc-shaped clamping grooves 12 are symmetrically distributed on two sides of the reserved hole 8, a limiting groove 14 is formed in the bottom of the inner cavity of the threaded bushing 9, a second elastic assembly is arranged in each limiting groove 14, and the bottom end of the rotating rod 13 extends into each limiting groove 14 and is attached to the second elastic assembly; accomplish threaded bush 9's installation back, it makes elastic component two receive the compression to slide dwang 13 down, rotatory dwang 13 makes fixture block 18 correspond with the opening, elastic action through elastic component one makes fixture block 18 pop out among the opening slides into arc draw-in groove 12, elastic action through elastic component two makes dwang 13 drive fixture block 18 and upwards slides and closely laminate with arc draw-in groove 12 again, the completion is to threaded bush 9's locking, threaded bush 9 takes place not hard up the process that influences pouring work when avoiding plate body 1 to receive external force to strike.

The first elastic component comprises a rotating shaft 16 rotatably connected with the connecting piece 15 and a torsion spring 17 arranged on the connecting piece 15, the torsion spring 17 is sleeved on the rotating shaft 16, a clamping block 18 is sleeved with the rotating shaft 16, openings are formed in two sides of the threaded bushing 9, and the clamping block 18 is adapted to the openings; when the block 18 corresponds to the opening, the block 18 on the rotating shaft 16 is driven to rotate to pop out of the opening to slide into the arc-shaped slot 12 under the elastic force of the torsion spring 17.

The elastic assembly II comprises a spring 10 fixed at the bottom end of the inner wall of the limit groove 14 and a limit block 11 in sliding connection with the limit groove 14, the top end of the spring 10 is fixedly connected with the limit block 11, and the top of the limit block 11 is attached to the bottom end of the rotating rod 13; the elastic force of the spring 10 enables the limiting block 11 to drive the rotating rod 13 to slide upwards, so that the clamping block 18 is tightly attached to the arc-shaped clamping groove 12, and the limiting of the threaded bushing 9 is completed.

The utility model discloses a theory of operation is: when two plate bodies 1 are installed, the plug board 2 on one plate body 1 slides into the plug groove 4 on the other plate body 1, positioning splicing is completed, when the plug board 2 is attached to the plug groove 4, the reinforcing ribs 3 on the plug board 2 slide into the plug holes 5, the reinforcing ribs 3 penetrate into the plate bodies 1, the installation strength of the two plate bodies 1 after splicing can be improved, after preliminary splicing is completed, a worker slides the threaded bushing 9 into the reserved hole 8 correspondingly and screws the threaded bushing into the positioning groove 7, locking of the two plate bodies 1 is realized, dislocation of the two plate bodies 1 during pouring is avoided, the overall quality of pouring is influenced, after the threaded bushing 9 is screwed into the positioning groove 7, the bottom end of the rotating rod 13 slides into the limiting groove 14 to extrude the limiting block 11 through the rotating rod 13 sliding downwards, and the rotating rod 13 is rotated until the clamping block 18 corresponds to the position of an opening, the elasticity through torsional spring 17 drives pivot 16 rotatory, make fixture block 18 pop out the opening and slide into arc draw-in groove 12 in, it is ejecting upwards with dwang 13 to drive stopper 11 simultaneously through the elasticity of spring 10, make fixture block 18 and arc draw-in groove 12 closely laminate, avoided effectively because plate body 1 receives the external force impact to lead to the not hard up condition of threaded bush 9, fixed effect has been improved, the staff is after accomplishing preliminary pouring, accessible slides down dwang 13 makes fixture block 18 and arc draw-in groove 12 contract after the extrusion relatively and get into the inner chamber of threaded bush 9, rotatory dwang 13 drives fixture block 18 and opening dislocation again, be convenient for the staff with threaded bush 9 from constant head tank 7 internal rotation, and then be convenient for the staff to pour in preformed hole 8 and the constant head tank 7, accomplish the installation of two plate bodies 1 and fix.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a precast concrete superimposed sheet concatenation seam structure, includes plate body (1), its characterized in that, one side fixedly connected with plugboard (2) of plate body (1), inserting groove (4) have been seted up to the opposite side of plate body (1), constant head tank (7) have been seted up at the top of plugboard (2), preformed hole (8) have been seted up to one side that plugboard (2) were kept away from at plate body (1) top, preformed hole (8) and inserting groove (4) intercommunication, sliding connection has threaded bush (9) in preformed hole (8), threaded bush (9) and constant head tank (7) threaded connection.

2. The splicing seam structure of the precast concrete composite slab according to claim 1, wherein the outer surface of the insertion plate (2) is wrapped with a waterproof felt (6), the waterproof felt (6) is attached to the inner wall of the insertion groove (4), and a reinforcing rib (3) is fixedly connected to the outer wall of the insertion plate (2) on the side away from the slab body (1).

3. The splicing seam structure of a precast concrete composite slab as recited in claim 2, wherein the inner wall of the splicing groove (4) is uniformly provided with insertion holes (5), and the insertion holes (5) are slidably connected with the reinforcing ribs (3).

4. The precast concrete superimposed sheet splicing seam structure of claim 3, characterized in that, sliding connection has dwang (13) in the inner chamber of screw bush (9), the bilateral symmetry rigid coupling of dwang (13) has two connecting pieces (15), be equipped with elastic component one on connecting piece (15), connecting piece (15) are connected with fixture block (18) through elastic component one, fixture block (18) and arc draw-in groove (12) laminating, arc draw-in groove (12) have two, and two arc draw-in grooves (12) symmetric distribution are in the both sides of preformed hole (8), spacing groove (14) have been seted up to the inner chamber bottom of screw bush (9), be equipped with elastic component two in spacing groove (14), the bottom of dwang (13) extends to and laminates with elastic component two in spacing groove (14).

5. The precast concrete superimposed slab splicing seam structure according to claim 4, wherein the first elastic component comprises a rotating shaft (16) rotatably connected with the connecting piece (15) and a torsion spring (17) installed on the connecting piece (15), the torsion spring (17) is sleeved on the rotating shaft (16), the clamping block (18) is sleeved with the rotating shaft (16), openings are arranged on two sides of the threaded bushing (9), and the clamping block (18) is adapted to the openings.

6. The precast concrete composite slab splicing seam structure according to claim 5, wherein the second elastic component comprises a spring (10) fixed at the bottom end of the inner wall of the limiting groove (14) and a limiting block (11) slidably connected with the limiting groove (14), the top end of the spring (10) is fixedly connected with the limiting block (11), and the top of the limiting block (11) is attached to the bottom end of the rotating rod (13).