Water stop joint structure with self-positioning function

Abstract

The utility model discloses a water stop joint structure with a self-positioning function, belongs to the technical field of water stop joints, and solves the problem that the conventional water stop joint is easy to damage when an aluminum mold is disassembled due to the fact that the conventional water stop joint is fixed on the aluminum mold through a self-tapping screw or a rivet. The device comprises a water stop joint, a positioning pressing plate is arranged above the water stop joint, the positioning pressing plate comprises a pressing plate arranged at the upper end of the water stop joint, and an inner tensioning piece is arranged on the bottom face of the pressing plate; a connecting screw is rotationally arranged in the middle of the inner tensioning piece, one end of the connecting screw penetrates through the pressing plate to be exposed outside, and the other end of the connecting screw penetrates through a through hole in the aluminum mold to be in threaded connection with a nut. According to the utility model, the water stop section is fixed on the aluminum mold in a pressing manner through the positioning pressing plate and the connecting screw rod, so that the water stop section is more convenient to mount and dismount, the water stop section is not damaged, the coaxiality of the water stop section and the connecting stud is ensured through the inner tensioning piece on the positioning pressing plate, and the mounting precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water stop joint technical field, specifically related to a water stop joint structure with self -positioning function. BACKGROUND

[0002] With the progress of the construction industry, aluminum formwork has been widely used in various construction projects. However, in the application of aluminum formwork, the fixing of the junction box of mechanical and electrical installation, the direct-buried water stop joint of the bathroom and other points becomes a technical difficulty. The fixing of the water stop joint needs to meet the conditions of accurate positioning, convenient and fast use, easy disassembly of auxiliary tools, and no damage to the aluminum formwork.

[0003] The existing method of fixing the water stop joint on the aluminum formwork still adopts the fixing method on the wooden formwork. The ring surface of the water stop joint is provided with a ring plate, a plurality of threaded holes are formed in the ring plate, and the water stop joint is fixed on the aluminum formwork by self-tapping screws or rivets through the plurality of threaded holes. Therefore, when the aluminum formwork is disassembled, the ring plate on the water stop joint is easily damaged. UTILITY MODEL CONTENT

[0004] In view of the above problems in the prior art, the utility model provides a water stop joint structure with self-positioning function, which solves the problem that the existing water stop joint is easily damaged when disassembling the aluminum formwork due to being fixed on the aluminum formwork by self-tapping screws or rivets.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A water stop joint structure with self-positioning function is provided, which comprises a water stop joint. The water stop joint is located on an aluminum formwork, and a positioning pressing plate is arranged above the water stop joint. The positioning pressing plate comprises a pressing plate arranged on the upper end of the water stop joint. An inner tensioning piece for centering the center of the water stop joint is arranged on the bottom surface of the pressing plate. A connecting screw is rotatably arranged in the middle of the inner tensioning piece. One end of the connecting screw is exposed outside through the pressing plate, and the other end of the connecting screw is threadedly connected with a nut through a through hole in the aluminum formwork.

[0007] The working principle of the present scheme is as follows: a through hole corresponding to the installation position of the water stop joint is formed on the aluminum formwork according to the design drawing. The water stop joint is placed in the through hole on the aluminum formwork, and the connecting screw on the positioning pressing plate passes through the water stop joint and the aluminum formwork. The inner tensioning piece is used to tension the inside of the water stop joint, so that the axis of the water stop joint coincides with the axis of the connecting screw. Finally, the positioning pressing plate is pressed against the water stop joint on the aluminum formwork by relatively rotating the connecting screw and the nut to achieve installation. When disassembling, the nut is loosened, so that the water stop joint is not damaged during installation and disassembly.

[0008] Further, the inner tensioning member comprises a fixing seat, a connecting column with an inner hollow and open at both ends is arranged in the middle of the fixing seat, the connecting column is fixed on the pressing plate, and the connecting screw rod is rotatably arranged in the opening of the connecting column; a driven gear meshed and connected with the driving gear is arranged on the connecting column, a plurality of arc-shaped grooves and sliding grooves in one-to-one correspondence are respectively and centrally symmetrically arranged on the bottom of the fixing seat, a limiting sliding block and a connecting rod are respectively arranged in each arc-shaped groove and each sliding groove, each limiting sliding block is fixed on the inner end of the corresponding connecting rod, and an arc-shaped plate is arranged on the outer end of each connecting rod; the driving gear is rotatably arranged on the fixing seat, the driving gear drives the driven gear, the driven gear drives the plurality of limiting sliding blocks to move in the plurality of arc-shaped grooves, so that the plurality of connecting rods are unfolded, and the plurality of arc-shaped plates abut against the inner end face of the water stop joint. The connecting column not only plays a role of rotating the driven gear, but also enables the connecting screw rod to pass through the middle of the pressing plate, while ensuring the uniformity of stress of the plurality of arc-shaped plates, the pressing plate and the water stop joint. Through the meshing connection of the driving gear and the driven gear, the driving gear is located on one side of the fixing seat, so that the rotation of the connecting column is not affected.

[0009] Further, the driven gear and the connecting screw rod are rotatably arranged on the connecting column through bearings.

[0010] Further, the middle of the driving gear is fixedly connected with a rotating shaft, the bottom of the rotating shaft is rotatably connected with the fixing seat through a bearing, and the top of the rotating shaft is exposed outside through the pressing plate.

[0011] Further, a torsional spring is arranged at the bearing connection position of the rotating shaft and the fixing seat. The arrangement of the torsional spring enables the plurality of arc-shaped plates to be automatically in an unfolded state, facilitating workers to adjust the position of the water stop joint during installation.

[0012] Further, knobs are arranged at the ends of the rotating shaft and the connecting screw rod exposed outside the pressing plate. The arrangement of the knobs facilitates workers to rotate the rotating shaft and the connecting screw rod.

[0013] Further, the diameter of the driving gear is smaller than that of the driven gear.

[0014] Further, a reinforcing rib fixedly connected with the connecting rod is arranged on the inner annular face of each arc-shaped plate. The arrangement of the reinforcing rib improves the strength of the arc-shaped plate.

[0015] Further, a limiting protrusion is arranged on the outer end of each connecting rod. The arrangement of the limiting protrusion can limit the movement amount of the connecting rod in the sliding groove, so as to avoid the case that the plurality of arc-shaped plates are excessively folded and the arc-shaped plates are damaged.

[0016] Further, a rubber layer is arranged on the outer annular face of each arc-shaped plate. The arrangement of the rubber layer not only increases the friction force between the arc-shaped plate and the water stop joint, but also reduces the extrusion of the arc-shaped plate on the water stop joint.

[0017] The utility model discloses a water stop joint structure with self -positioning function has the beneficial effects that:

[0018] The utility model discloses a water stop joint is fixed on the aluminum mould through the mode of pressing through positioning pressing plate and connecting screw rod, compared with the mode that the water stop joint is fixed on the aluminum mould through multiple self -tapping screw or multiple rivets, positioning pressing plate and connecting screw rod are more convenient to install and disassemble, and the water stop joint is not damaged at the same time, and the coaxial degree of the water stop joint and connecting screw post is guaranteed through the inner tensioner on positioning pressing plate, and the installation precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is structure schematic drawing of water stop joint structure;

[0020] Figure 2 It is structure schematic drawing of water stop joint structure;

[0021] Figure 3 It is plan view of inner tensioner;

[0022] Figure 4 It is axonometric view of inner tensioner;

[0023] Figure 5 It is Figure 3 It is sectional view of A-A direction;

[0024] Wherein: 1, water stop joint;2, pressing plate;3, inner tensioner;31, connecting column;32, driven gear;33, driving gear;34, arc slot;35, sliding slot;36, connecting rod;361, limit protruding;37, limit sliding block;38, arc plate;381, reinforcing rib;39, rotation shaft;4, connecting screw rod;5, aluminum mould;6, U type support block. DETAILED DESCRIPTION

[0025] The specific embodiment of the utility model is described below, so that the person skilled in the art can understand the utility model, but it should be clear that the utility model is not limited to the scope of the specific embodiment, for the ordinary skilled person in the art, as long as various changes are in the appended claims of the utility model limited and determined spirit and scope, these changes are obvious, all the utility model creations of the utility model concept are in the protection.

[0026] Reference Figure 1 The embodiment provides a water stop joint structure with self-positioning function, comprising a water stop joint 1 and a positioning pressing plate.

[0027] The stopper 1 is located on the aluminum die 5, and the positioning pressing plate includes the pressing plate 2 arranged on the upper end of the stopper 1. Since the stopper 1 has multiple diameters, in order to improve the universality and ensure the coaxiality of the stopper 1 and the connecting stud, the inner tensioning piece 3 for centering the center of the stopper 1 is arranged on the bottom surface of the pressing plate 2.

[0028] The middle part of the inner tensioning piece 3 is rotationally provided with a connecting screw rod 4, one end of the connecting screw rod 4 is exposed outside through the pressing plate 2, and the other end of the connecting screw rod 4 is threadedly connected with a nut through a through hole on the aluminum die 5.

[0029] In the embodiment, the through hole can be directly arranged on the aluminum die 5, or a U-shaped support block 6 can be spot-welded on the aluminum die 5, the through hole is arranged on the U-shaped support block 6, and the nut is fixed on the through hole of the support block 6, and the connecting screw rod 4 is threadedly connected with the nut. Referring to Figure 2 , the U-shaped support block 6 spot-welded not only avoids directly arranging the through hole on the aluminum die 5, but also can be knocked off, thereby avoiding damaging the aluminum die 5.

[0030] As a specific structure of the inner tensioning piece 3, referring to Figure 3 and Figure 4 , the inner tensioning piece 3 includes a fixed seat, a connecting column 31 with an internal hollow and open at both ends is arranged in the middle part of the fixed seat, the connecting column 31 is fixed on the pressing plate 2, and the connecting screw rod 4 is rotationally arranged in the opening of the connecting column 31.

[0031] The connecting column 31 is provided with a driven gear 32 meshed and connected with a driving gear 33, and the diameter of the driving gear 33 is smaller than that of the driven gear 32. The driven gear 32 and the connecting screw rod 4 are both rotationally arranged on the connecting column 31 through bearings. The end of the rotating shaft 39 and the connecting screw rod 4 exposed on the pressing plate 2 are both provided with knobs. The knobs are arranged to facilitate workers to rotate the rotating shaft 39 and the connecting screw rod 4. The connecting column 31 not only plays a role in rotating the driven gear 32, but also enables the connecting screw rod 4 to pass through the middle part of the pressing plate 2, while ensuring the uniformity of the force received by the multiple arc-shaped plates 38 and the pressing plate 2 and the stopper 1.

[0032] The driven gear 32 and the bottom of the fixed seat are respectively and centrally symmetrically provided with multiple arc-shaped grooves 34 and sliding grooves 35 in one-to-one correspondence. A limiting sliding block 37 and a connecting rod 36 are respectively arranged in each arc-shaped groove 34 and each sliding groove 35. Each limiting sliding block 37 is fixed on the inner end of the corresponding connecting rod 36. The outer end of each connecting rod 36 is provided with an arc-shaped plate 38.

[0033] The plurality of arc-shaped plates 38 are driven by the connecting column 31 to open and close. Specifically, the inner ring surface of each arc-shaped plate 38 is provided with a reinforcing rib 381 fixedly connected with the connecting rod 36. The reinforcing rib 381 improves the strength of the arc-shaped plate 38. The outer end of each connecting rod 36 is provided with a limiting protrusion 361. The limiting protrusion 361 limits the movement of the connecting rod 36 in the sliding groove 35, avoiding the damage of the arc-shaped plate 38 caused by the excessive closing of the plurality of arc-shaped plates 38. The outer ring surface of each arc-shaped plate 38 is provided with a rubber layer. The rubber layer increases the friction between the arc-shaped plate 38 and the water stop 1 and reduces the extrusion of the arc-shaped plate 38 on the water stop 1.

[0034] The driving gear 33 is rotatably arranged on the fixed seat. The rotation of the driving gear 33 drives the driven gear 32. The driven gear 32 drives the plurality of limiting sliding blocks 37 to move in the plurality of arc-shaped grooves 34, thereby driving the plurality of connecting rods 36 to expand the plurality of arc-shaped plates 38 to abut against the inner end surface of the water stop 1. The meshing connection of the driving gear 33 and the driven gear 32 is achieved by arranging the driving gear 33 on one side of the fixed seat, thereby avoiding affecting the rotation of the connecting column 31.

[0035] In order to facilitate the rotation of the knob, the middle part of the driving gear 33 of the embodiment is fixedly connected with the rotating shaft 39. The bottom part of the rotating shaft 39 is rotatably connected with the fixed seat through a bearing. The top part of the rotating shaft 39 is exposed outside through the pressing plate 2. The bearing connection part of the rotating shaft 39 and the fixed seat is provided with a torsion spring. The torsion spring automatically places the plurality of arc-shaped plates 38 in the open state, thereby facilitating the workers to adjust the position of the water stop 1 during installation.

[0036] In summary, the working principle of the embodiment is as follows:

[0037] According to the design drawing, the through hole corresponding to the installation position of the water stop 1 is formed on the aluminum mold 5. The water stop 1 is placed in the through hole on the aluminum mold 5. The connecting screw rod 4 on the positioning pressing plate passes through the water stop 1 and the aluminum mold 5. The internal tensioning piece 3 is used to tension the inside of the water stop 1, so that the axis of the water stop 1 coincides with the axis of the connecting screw rod 4. Finally, the relative rotation of the connecting screw rod 4 and the nut is used to press the water stop 1 on the aluminum mold 5 by the positioning pressing plate to achieve installation. When disassembling, the nut is loosened, so that the water stop 1 is not damaged during installation and disassembly.

[0038] Although the specific embodiments of the utility model are described in detail in combination with the drawings, it should not be understood as limiting the protection scope of the patent. Various modifications and variations made by those skilled in the art within the scope described in the claims are still within the protection scope of the patent.

Claims

1. A water stop joint structure having a self-positioning function, characterized by, The utility model provides a centering device for aluminum mould, including water stop section (1), water stop section (1) is located on aluminum mould (5), and the top of water stop section (1) is provided with locating pressing plate, the locating pressing plate includes the pressing plate (2) of setting on the upper end of water stop section (1), the bottom of pressing plate (2) is provided with the inner tensioning piece (3) for the center of water stop section (1) circle center is set, The middle part of the inner tensioning piece (3) is rotatably provided with a connecting screw (4), one end of the connecting screw (4) is exposed outside through the pressing plate (2), and the other end of the connecting screw (4) is threadedly connected with a nut through a through hole on the aluminum mould (5).

2. The water stop joint structure with self-positioning function according to claim 1, characterized in that, The inner tensioning piece (3) comprises a fixed seat, the middle part of the fixed seat is provided with a connecting column (31) which is hollow and open at both ends, the connecting column (31) is fixed on the pressing plate (2), and the connecting screw (4) is rotatably arranged in the opening of the connecting column (31). The connecting column (31) is provided with a driven gear (32) engaged with a driving gear (33), a plurality of arc-shaped grooves (34) and sliding grooves (35) are symmetrically formed in the bottom of the fixed seat and the driven gear (32) respectively, each arc-shaped groove (34) and each sliding groove (35) are respectively provided with a limiting sliding block (37) and a connecting rod (36), each limiting sliding block (37) is fixed on the inner end of the corresponding connecting rod (36), and the outer end of each connecting rod (36) is provided with an arc-shaped plate (38). The driving gear (33) is rotatably arranged on the fixed seat, rotating the driving gear (33) drives the driven gear (32), the driven gear (32) drives a plurality of limiting sliding blocks (37) to move in a plurality of arc-shaped grooves (34) to drive a plurality of connecting rods (36) to expand a plurality of arc-shaped plates (38) to abut against the inner end face of the water stop section (1).

3. The water stop joint structure with self-positioning function according to claim 2, characterized in that, The driven gear (32) and the connecting screw (4) are rotatably arranged on the connecting column (31) through bearings.

4. The water stop joint structure with self-positioning function according to claim 2, characterized in that, The middle part of the driving gear (33) is fixedly connected with a rotating shaft (39), the bottom of the rotating shaft (39) is rotatably connected with the fixed seat through a bearing, and the top of the rotating shaft (39) is exposed outside through the pressing plate (2).

5. The water stop joint structure with self-positioning function according to claim 4, characterized in that, A torsional spring is arranged at the bearing connection between the rotating shaft (39) and the fixed seat.

6. The water stop joint structure with self-positioning function according to claim 4, characterized in that, Knobs are arranged at the ends of the rotating shaft (39) and the connecting screw (4) which are exposed outside the pressing plate (2).

7. The water stop joint structure with self-positioning function according to claim 2, characterized in that, The diameter of the driving gear (33) is smaller than that of the driven gear (32).

8. The water stop joint structure with self-positioning function according to claim 2, characterized in that, A reinforcing rib (381) is arranged on the inner annular surface of each arc-shaped plate (38) and fixedly connected with the connecting rod (36).

9. The water stop joint structure with self-positioning function according to claim 2, characterized in that, A limiting protrusion (361) is arranged on the outer end of each connecting rod (36).

10. The water stop joint structure with self-positioning function according to claim 2, characterized in that, A rubber layer is arranged on the outer annular surface of each arc-shaped plate (38).

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