Embedded latch clamping type wall connecting piece

Abstract

The utility model discloses a pre-embedded latch clamping type wall connecting piece, and belongs to the field of external scaffold wall connecting pieces. The device comprises a fastener for connecting a scaffold wall-connecting steel pipe; a connecting clamping pipe is mounted on the fastener; a cantilever-shaped clamping rack is mounted on one end side of the connecting clamping pipe; a clamping sleeve is detachably mounted on the clamping rack; the clamping and fixing sleeve is used for being arranged on a wall body, and a cavity structure matched with the clamping and fixing rack is arranged in the clamping and fixing sleeve; the utility model effectively solves the problems of complicated operation procedures, higher cost, high safety risk and high leakage risk in the current construction of the wall connecting piece of the external scaffold of the building.

Description

Technical Field

[0001] The utility model relates to the field of external scaffolding wall connecting pieces, which are used for the connection construction between an external scaffolding and a main structure, and in particular relates to a pre-embedded clamping tooth clamping type wall connecting piece. Background Art

[0002] With the rapid development of my country's construction industry, the safety of external scaffolding and the prevention of leakage of external walls are becoming increasingly important. The conventional construction process is to embed short steel pipes on the top of the beam and connect them to the external scaffolding with fasteners. When this method is used, holes need to be left in the external wall during the main construction phase. The risk of leakage caused by the holes being repaired during the decoration phase is high, and there are many processes and high costs. It is urgent to invent new wall connecting parts to solve the above problems. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a pre-embedded tooth clamping wall connection piece to solve the problems of complicated operation procedures, high cost, high safety risk and high leakage risk in the construction of building external scaffolding wall connections.

[0004] In order to solve the above problems, the utility model provides the following technical solutions:

[0005] A pre-buried clamping tooth type wall connection part; it comprises a fastener for connecting a scaffolding wall connection steel pipe; a connecting clamping pipe is installed on the fastener; a cantilevered clamping rack is installed on one end side of the connecting clamping pipe; a clamping sleeve is detachably installed on the clamping rack; the clamping sleeve is used to be arranged on a wall, and a cavity structure matching the clamping rack is arranged inside the clamping sleeve.

[0006] Preferably, the fastener is a pipe clamp structure, and the connecting clamp pipe is arranged at the end position of the clamp facing away from the ear plate.

[0007] Preferably, the connecting clamping tube includes a limit clamping box with an opening on the front side; a limit sliding groove is opened in the inner cavity of the limit clamping box; one end of the clamping rack is installed in the limit clamping box without the limit sliding groove; a turntable is installed on the back of the limit clamping box; one end of the turntable is connected to a rotating rod; a sleeve rod tube is movably sleeved on the outside of the rotating rod; a baffle is also installed on the end surface of the sleeve rod tube facing the limit clamping box; the length of the rotating rod is greater than the length of the sleeve rod tube.

[0008] Furthermore, a limit bar hole is opened on the back of the limit card box; the turntable includes a limit plate and a plate seat; the plate seat is connected to the rotating rod, and the limit plate is arranged between the plate seat and the limit card box; two arc-shaped slide grooves are opened on the limit plate; the two arc-shaped slide grooves are symmetrically arranged with the axis of the limit plate as the center of symmetry; a limit rod is movably installed on the two arc-shaped slide grooves; one end of the limit rod is arranged through the limit bar hole.

[0009] Furthermore, a locking hole is opened on the sleeve tube; a locking card is detachably installed on the locking hole; the circumferential contour of the rotating rod is rectangular, and the side of the locking card inserted into the locking hole is a clamping structure matching the circumferential contour of the rotating rod.

[0010] Preferably, there are two fixing racks; the two fixing racks are respectively installed at different height positions of the upper limit slide groove of the limit card box; the two fixing racks are arranged back to back; and a plurality of step-shaped tooth surfaces are arranged on the front side of the fixing rack.

[0011] Preferably, the clamping sleeve comprises a tube body; a clamping groove having a size matching the clamping rack is opened in the inner cavity of the tube body; an enlarged head and a sleeve baffle are respectively arranged on the front side and the tail of the tube body.

[0012] The beneficial effects of the utility model are embodied in the following aspects:

[0013] 1. The clamping sleeve is located in the middle of the wall beam structure and does not penetrate the wall, which can eliminate the risk of leakage;

[0014] 2. Carry out bearing capacity calculation for fixed racks, torsion rods and other rods, and carry out tensile test after assembly to ensure safety;

[0015] 3. During the concrete pouring stage, the clamping rack is inserted into the clamping sleeve to effectively block the concrete leakage and ensure the quality;

[0016] 4. The process is simple. The installation only requires twisting the torsion rod and locking it. The operation is simple and easy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model in an embodiment;

[0018] Figure 2 is an exploded schematic diagram of the connection position of the clamping pipe and the clamping rack in this embodiment;

[0019] Figure 3 is a schematic diagram of the structure of the clamping sleeve in this embodiment;

[0020] Explanation of the accompanying drawings: 1. connecting clamp tube, 11. limiting clamp box, 111. limiting slide groove, 112. limiting bar hole, 12. limiting disk, 13. support rod, 14. disk seat, 15. rotating rod, 16. baffle, 17. locking clamp, 18. sleeve rod tube, 19. locking clamp hole, 2. fixing rack, 3. fastener, 4. fixing sleeve, 41. tube body, 42. fixing groove, 43. enlarging head, 44. sleeve baffle. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments:

[0022] Example:

[0023] Reference Figures 1 to 3 The present embodiment provides a pre-embedded clamping wall connection part; it includes a fastener 3 for connecting a scaffolding wall steel pipe; a connecting clamping pipe 1 is installed on the fastener 3; a cantilevered clamping rack 2 is installed on one end side of the connecting clamping pipe 1; a clamping sleeve 4 is detachably installed on the clamping rack 2; the clamping sleeve 4 is used to be set on the wall, and a cavity structure matching the clamping rack 3 is arranged inside the clamping sleeve 4.

[0024] The fastener 3 is a pipe clamp structure, and the connecting clamp pipe 1 is arranged at the end position of the clamp facing away from the ear plate.

[0025] The connecting clamping tube 1 includes a limit clamping box 11 with an opening on the front side; a limit sliding groove 111 is opened in the inner cavity of the limit clamping box 11; one end of the clamping rack 2 is installed in the limit clamping box 11 without the limit sliding groove 111; a turntable is installed on the back of the limit clamping box 11; one end of the turntable is connected to a rotating rod 15; a sleeve rod tube 18 is movably sleeved on the outside of the rotating rod 15; a baffle 16 is also installed on the end surface of the sleeve rod tube 18 facing the limit clamping box 11; the length of the rotating rod 15 is greater than the length of the sleeve rod tube 18.

[0026] A limit bar hole 112 is also provided on the back of the limit card box 11; the turntable includes a limit plate 12 and a plate seat 14; the plate seat 14 is connected to the rotating rod 15, and the limit plate 12 is arranged between the plate seat 14 and the limit card box 11; two arc-shaped slide grooves are provided on the limit plate 12; the two arc-shaped slide grooves are symmetrically arranged with the axis of the limit plate 12 as the center of symmetry; a limit rod 13 is movably installed on both arc-shaped slide grooves; one end of the limit rod 13 is arranged through the limit bar hole 112.

[0027] A locking hole 19 is formed on the sleeve tube 18 ; a locking clamp 17 is detachably mounted on the locking hole 19 ; the circumferential contour of the rotating rod 15 is rectangular, and the side where the locking clamp 17 is inserted into the locking hole 19 is a clamp structure matching the circumferential contour of the rotating rod 15 .

[0028] There are two fixed racks 2; the two fixed racks 2 are respectively installed at different height positions of the upper limit slide 11 of the limit card box 11; the two fixed racks 2 are arranged back to back; a plurality of stepped tooth surfaces are arranged on the front side of the fixed rack 2.

[0029] The clamping sleeve 4 comprises a tube body 41 ; a clamping groove 42 having a size matching the clamping rack 2 is opened in the inner cavity of the tube body 41 ; an enlarged head 43 and a sleeve baffle 44 are respectively arranged at the front side and the tail of the tube body 41 .

[0030] The working principle of the utility model in this embodiment is: by rotating the torsion rod 15 on the torsion mechanism 1, it drives the disc seat 14 and the limit disc 12 to rotate, and the upper and lower clamping racks 2 are made to engage through the support rod 13, and the convex teeth of the clamping rack 2 are engaged with the corresponding concave teeth in the sleeve body 41 to form a corresponding engagement, thereby fixing the wall connecting member.

[0031] When using the utility model device in this embodiment, the following process can be referred to:

[0032] 1. Tie up the steel bars of the building structure wall beams and carry out formwork processing and installation;

[0033] 2. Draw the exact position of the wall connection piece on the template and make a hole, insert the clamping sleeve 4 into the hole of the template, and then firmly fix the clamping sleeve and the steel stirrup of the wall;

[0034] 3. Insert the clamping rack 2 into the clamp sleeve 4 from the outside of the template, and then rotate the rotating rod 15 to make the baffle 16 close to the template;

[0035] 4. Pour concrete, take out the clamping rack 2 after the setting period is reached, and then remove the formwork;

[0036] 5. Insert the clamping ruler 2 again and rotate it to a certain angle; then make the baffle close to the concrete surface, tighten the rotating rod 15, and insert the locking card into the locking card hole to prevent the rotating rod 15 from rotating under external interference;

[0037] 6. Set up the external scaffolding and fasten the fastener 3 to the wall connecting steel pipe to form a wall connecting piece;

[0038] 7. After the work is completed, remove the wall connecting parts in sequence, and take out the locking card 17, the fixing sleeve 4 and the fixing rack one by one.

Claims

1. A pre-embedded tooth clamping wall connection, characterized in that: The invention comprises a fastener (3) for connecting a scaffolding wall steel pipe; a connecting clamping pipe (1) is installed on the fastener (3); a cantilevered clamping rack (2) is installed on one end side of the connecting clamping pipe (1); a clamping sleeve (4) is detachably installed on the clamping rack (2); the clamping sleeve (4) is used to be arranged on a wall, and a cavity structure matching the clamping rack (2) is arranged inside the clamping sleeve (4).

2. The pre-embedded tooth clamping wall connection member according to claim 1, characterized in that: The fastener (3) is a pipe clamp structure, and the connecting clamp pipe (1) is arranged at an end position of the pipe clamp structure that is away from the ear plate.

3. The pre-embedded tooth clamping wall connection member according to claim 1, characterized in that: The connecting clamp tube (1) comprises a limit clamp box (11) with a front opening; a limit slide groove (111) is provided in the inner cavity of the limit clamp box (11); one end of the clamping rack (2) is installed in the limit clamp box (11) without the limit slide groove (111); a rotating disk is installed on the back of the limit clamp box (11); one end of the rotating disk is connected to a rotating rod (15); a sleeve rod tube (18) is movably sleeved on the outside of the rotating rod (15); a baffle (16) is also installed on the end surface of the sleeve rod tube (18) facing the limit clamp box (11); the length of the rotating rod (15) is greater than the length of the sleeve rod tube (18).

4. The pre-embedded tooth clamping wall connection member according to claim 3, characterized in that: A limit bar hole (112) is also provided on the back of the limit card box (11); the turntable comprises a limit plate (12) and a plate seat (14); the plate seat (14) is connected to the rotating rod (15), and the limit plate (12) is arranged between the plate seat (14) and the limit card box (11); two arc-shaped slide grooves are provided on the limit plate (12); the two arc-shaped slide grooves are symmetrically arranged with the axis of the limit plate (12) as the symmetry axis; a limit rod (13) is movably installed on the two arc-shaped slide grooves; one end of the limit rod (13) passes through the limit bar hole (112) and is arranged.

5. The pre-embedded tooth clamping wall connection member according to claim 3, characterized in that: A locking hole (19) is formed on the sleeve rod tube (18); a locking clamp (17) is detachably mounted on the locking hole (19); the circumferential contour of the rotating rod (15) is rectangular, and a side of the locking clamp (17) inserted into the locking hole (19) is a clamp structure matching the circumferential contour of the rotating rod (15).

6. The pre-embedded tooth clamping wall connection member according to claim 1, characterized in that: There are two fixed racks (2); the two fixed racks (2) are respectively mounted at different height positions of the limiting slide groove (111) on the limiting card box (11); the two fixed racks (2) are arranged back to back; and a plurality of stepped tooth surfaces are arranged on the front of the fixed rack (2).

7. The pre-embedded tooth clamping wall connection member according to claim 1, characterized in that: The clamping sleeve (4) comprises a tube body (41); a clamping groove (42) having a size matching that of the clamping rack (2) is provided in the inner cavity of the tube body (41); and an enlarged head (43) and a sleeve baffle (44) are provided at the front side and the rear end of the tube body (41), respectively.

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