CN220666530U - Connecting piece for building expansion joint - Google Patents

Abstract

The utility model discloses a connecting piece for building expansion joints, which comprises a pressing plate, wherein a supporting seat is fixedly connected to the bottom end position of the pressing plate, two first notches are symmetrically formed in the pressing plate, sliding plates are slidably connected to the inner parts of the first notches, supporting plates are fixedly connected to the end positions of the sliding plates, far away from the pressing plate, a plurality of second notches are formed in the side walls, close to the first notches, of the pressing plate, and a baffle is fixedly connected to the bottom end position of the sliding plate. The utility model is provided with the following components by the way of arrangement; notch one, slide, notch two, backup pad, baffle and telescopic link, the displacement that is used for restricting the slide in the inside of clamp plate is offered to two notch one symmetries, and baffle and slide fixed connection structure as an organic whole are "L" type, offset building structure through two spring flexible deformation because of the destructive power of deformation transmission backup pad to improve the stability of clamp plate installation, telescopic link and the synchronous flexible stability that can improve spring work of spring.

Description

Connecting piece for building expansion joint

Technical Field

The utility model relates to the technical field of building expansion joints, in particular to a connecting piece of a building expansion joint.

Background

The expansion joint of the building is a structural joint which is arranged at a proper position along the construction joint direction of the building or the structure in order to prevent the building from generating cracks or damages due to the climate temperature change (thermal expansion and cold contraction). The expansion joint divides building components such as wall, floor and roof (except wood roof) above foundation into two independent parts, so that the building or structure can be horizontally and offset expanded and contracted along the length direction. A connecting piece is usually required to be arranged at the expansion joint position of the building to connect two structures.

The connecting piece of the existing building expansion joint generally comprises a pressing plate and a water stop belt, the water stop belt is made of rubber and plastic materials, the water stop belt is fixed at the bottom end of the pressing plate and used for preventing rainwater from penetrating into the expansion joint, water leakage of a wall body is caused, and the pressing plate is fixedly connected to the surface position of the expansion joint through bolts and used for sealing the expansion joint.

The existing connecting piece of building expansion joint uses the bolt fixed connection in the surface position department of expansion joint generally, when building wall body expend with heat and contract with cold, expansion joint is with wall body expend with heat and contract with cold, probably leads to clamp plate and wall body junction to produce deformation, leads to clamp plate loose damage to influence the life of connecting piece.

Disclosure of Invention

The utility model aims to provide a connecting piece for a building expansion joint, which aims to solve the problems that in the prior art, the existing connecting piece for the building expansion joint is usually fixedly connected to the surface position of the expansion joint by using bolts, and when the building wall expands with heat and contracts with cold, the expansion joint expands with heat and contracts with cold along with the wall, the connecting part of a pressing plate and the wall is possibly deformed, and the pressing plate is loosened and damaged, so that the service life of the connecting piece is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a connecting piece of building expansion joint, includes the clamp plate, the bottom position department fixedly connected with supporting seat of clamp plate, two notch one has been seted up to the inside symmetry of clamp plate, two the inside equal sliding connection of notch one has the slide, the equal fixedly connected with backup pad of tip position department that the clamp plate was kept away from to the slide, a plurality of notch two has all been seted up on the clamp plate is close to the lateral wall of notch one, the bottom position department fixedly connected with baffle of slide, equal fixedly connected with telescopic link on the lateral wall of baffle, the winding of the surface position department of telescopic link has the spring.

Preferably, the pressing plate is made of aluminum alloy and is in a strip shape, so that corrosion resistance of the connecting piece is realized.

Preferably, one end fixedly connected with connecting block one, three hole groove one has been seted up to the surface position department equidistant of connecting block one, makes things convenient for the extension of clamp plate.

Preferably, the end position department fixedly connected with connecting block two of clamp plate keeping away from connecting block one, three hole groove two has been seted up to surface position department of connecting block two, the top size of connecting block two and the bottom size looks adaptation of connecting block one, kong Caoer with the position correspondence of hole groove one, hole groove one with the inside size of hole groove two is the same, has improved the convenience of connecting piece extension.

Preferably, the second notches are symmetrically distributed, the inner dimensions of the second notches are matched with the outer dimensions of the baffle, and sliding limiting of the baffle is facilitated.

Preferably, two the lateral wall that the clamp plate was kept away from to the backup pad is gone up equal fixedly connected with waterstop, the outside dimension of waterstop is greater than the outside dimension of clamp plate, has realized the waterproof to the expansion joint.

Preferably, a plurality of baffles and the slide plate are fixedly connected into an integrated structure to form an L shape, so that the stability of the movement of the baffles is improved.

Compared with the prior art, the utility model has the beneficial effects that:

firstly, the method comprises the following steps of; the first notch, the slide plate, the second notch, the supporting plate, the baffle and the telescopic rod are symmetrically arranged in the pressing plate to limit the displacement of the slide plate, the baffle and the slide plate are fixedly connected into an integrated structure to form an L shape, the destructive force of the supporting plate, transmitted by deformation, of the building structure is counteracted through the telescopic deformation of the two springs, so that the installation stability of the pressing plate is improved, and the telescopic rod and the springs can synchronously stretch and retract to improve the working stability of the springs; secondly through being provided with connecting block one, hole groove one, connecting block two and hole groove two, connecting block one and connecting block two fixed connection in proper order are in two tip positions departments of clamp plate, and the bottom of connecting block one is laminated mutually with the top of connecting block two, thereby hole groove one and hole groove two's internal dimension are the same and are convenient through two clamp plates of bolt fastening, have improved the convenience of connecting piece extension connection.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic top plan view of the present utility model;

FIG. 3 is a schematic side sectional view of the present utility model;

fig. 4 is a schematic view of an installation cross-section structure of the connecting block of the present utility model.

In the figure: 1. a pressing plate; 2. a support base; 3. a notch I; 4. a slide plate; 5. a notch II; 6. a support plate; 7. a water stop; 8. a baffle; 9. a telescopic rod; 10. a spring; 11. a first connecting block; 12. a first hole groove; 13. a second connecting block; 14. and a hole groove II.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: a connecting piece for building expansion joints comprises a pressing plate 1, wherein the pressing plate 1 is made of aluminum alloy material and has good corrosion resistance, the pressing plate 1 is in a strip shape and is used for closing the expansion joints, a supporting seat 2 is fixedly connected to the bottom end position of the pressing plate 1 through welding, two first notches 3 are symmetrically arranged in the pressing plate 1, sliding plates 4 are slidably connected to the interiors of the first two notches 3, the inner dimensions of the first notches 3 are matched with the outer dimensions of the sliding plates 4, the lateral displacement of the sliding plates 4 can be limited, supporting plates 6 are fixedly connected to the end positions of the sliding plates 4 far away from the pressing plate 1 through welding, bolt holes are formed in the side walls of the supporting plates 6 and are used for conveniently fixing the supporting plates 6 to the side walls of the expansion joints through self-tapping bolts, water stop belts 7 are fixedly connected to the side walls of the two supporting plates 6 far away from the pressing plate 1, the water stop belts 7 are made of rubber and plastic material and have certain elasticity and are convenient to deform in a telescopic mode, the water stop belt 7 has good waterproof performance, rainwater can be prevented from entering the expansion joint, water leakage of a wall body is avoided, the outer dimension of the water stop belt 7 is larger than the outer dimension of the pressing plate 1, a plurality of second notch 5 are formed in the side wall of the pressing plate 1, which is close to the first notch 3, the baffle plate 8 is fixedly connected to the bottom end position of the sliding plate 4, the second notches 5 are symmetrically distributed, the inner dimension of the second notch 5 is matched with the outer dimension of the baffle plate 8, the baffle plate 8 and the sliding plate 4 are fixedly connected into an integrated structure through welding to form an L shape, the expansion rods 9 are fixedly connected to the side wall of the baffle plate 8 through bolts, the other ends of the two expansion rods 9 are fixed to the side wall of the supporting seat 2 through bolts, the springs 10 are wound on the surface position of the expansion rods 9, the supporting seat 2 can play a role of supporting the springs 10, the backup pad 6 transmits effort to slide 4 and baffle 8 in proper order, and baffle 8 is acted on spring 10, offsets building structure and transmits the destructive power of backup pad 6 because of deformation through two spring 10 flexible deformation to improve the stability of clamp plate 1 installation, telescopic link 9 and spring 10 synchronous flexible stability that can improve spring 10 work.

One end fixedly connected with connecting block one 11 of clamp plate 1, three hole groove one 12 have been offered to the surface position department of connecting block one 11 equidistant, the tip position department fixedly connected with connecting block two 13 of connecting block one 11 are kept away from to clamp plate 1, three hole groove two 14 have been offered to the surface position department of connecting block two 13, clamp plate 1, connecting block one 11 and connecting block two 13 are integrated into one piece structure, the top size of connecting block two 13 and the bottom size looks adaptation of connecting block one 11, two connecting pieces overlap joint together conveniently, two waterstops 7 are together through hot melt fixed connection again, improve the leakproofness that waterstop 7 connects, hole groove two 14 correspond with the position of hole groove one 12, thereby hole groove one 12 is the same with the internal size of hole groove two 14, thereby the convenience of connecting piece extension has been improved with the inside of bolt threaded connection hole groove one 12 and hole groove two 14.

Working principle: when the connecting piece for the expansion joint of the building is used, an operator firstly fixes the water stop belt 7 on the side walls of the two support plates 6 through bolts, the water stop belt 7 is made of rubber and plastic materials, has good elasticity and waterproofness, and can prevent rainwater from entering the expansion joint, so that water leakage of a wall body is avoided, the two support plates 6 are sequentially fixed on the two side walls of the expansion joint of the building through self-tapping bolts by the operator, the connecting piece is installed, when the temperature rises, the building wall body expands, the expansion joint is reduced, the two support plates 6 are extruded, pressure acting on the support plates 6 is sequentially transmitted to the sliding plate 4 and the baffle plate 8, the baffle plate 8 extrudes the spring 10 to rebound and shrink, the sliding plate 4 is shrunk into the notch I3, and therefore the damage of the building due to thermal expansion to the extrusion of the pressing plate 1 is reduced.

Secondly, when the temperature is reduced, the building wall body contracts and deforms, so that an expansion joint becomes larger, the two support plates 6 are stretched, the tensile force acting on the support plates 6 is sequentially transmitted to the sliding plate 4 and the baffle plate 8, and the baffle plate 8 stretches out the spring 10, so that the sliding plate 4 stretches out of the notch I3, and the damage of the building to the stretching of the pressing plate 1 caused by cold contraction is reduced, and the working stability of the connecting piece is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a connecting piece of building expansion joint, includes clamp plate (1), its characterized in that: the utility model discloses a clamp plate, including clamp plate (1), bottom position department fixedly connected with supporting seat (2), two notch one (3) have been seted up to the inside symmetry of clamp plate (1), two equal sliding connection in inside of notch one (3) has slide (4), the equal fixedly connected with backup pad (6) of tip position department that clamp plate (1) were kept away from to slide (4), a plurality of notch two (5) have all been seted up on clamp plate (1) are close to the lateral wall of notch one (3), bottom position department fixedly connected with baffle (8) of slide (4), equal fixedly connected with telescopic link (9) on the lateral wall of baffle (8), the surface position department winding of telescopic link (9) has spring (10).

2. The connecting piece for building expansion joints according to claim 1, wherein: the pressing plate (1) is made of aluminum alloy and is in a strip shape.

3. The connecting piece for building expansion joints according to claim 2, wherein: one end of the pressing plate (1) is fixedly connected with a first connecting block (11), and three first hole grooves (12) are formed in the surface position of the first connecting block (11) at equal intervals.

4. A building expansion joint connector according to claim 3, wherein: the clamp plate (1) is kept away from tip position department fixedly connected with connecting block two (13) of connecting block one (11), three hole groove two (14) have been seted up to the surface position department of connecting block two (13), the top size of connecting block two (13) and the bottom size looks adaptation of connecting block one (11), hole groove two (14) with the position of hole groove one (12) corresponds, hole groove one (12) with the inside size of hole groove two (14) is the same.

5. The connecting piece for building expansion joints according to claim 1, wherein: the second notches (5) are symmetrically distributed, and the inner size of the second notches (5) is matched with the outer size of the baffle (8).

6. The connecting piece for building expansion joints according to claim 1, wherein: two the lateral walls of the supporting plates (6) far away from the pressing plate (1) are fixedly connected with water stops (7), and the outer dimensions of the water stops (7) are larger than those of the pressing plate (1).