Construction joint isolation device

Abstract

The utility model relates to a construction joint isolation device, which comprises a support framework, an air bag and a pneumatic control valve, the support framework is provided with a support mechanism, the support mechanism comprises a symmetrical screw rod, the symmetrical screw rod is provided with two threaded sections with opposite screwing directions, the two threaded sections are symmetrical to each other, the symmetrical screw rod is arranged in a long strip-shaped cavity, and the air bag is arranged in the long strip-shaped cavity. The two ends are rotationally installed at the plane connecting ends correspondingly. The pair of adjusting screw sleeves are screwed to the threaded sections respectively, limiting seats are arranged at the side ends of the adjusting screw sleeves, and limiting sliding grooves are formed in the side portions of the long-strip-shaped cavities; transmission connecting rods are hinged to the two sides of the pushing plate respectively, and the other ends of the transmission connecting rods are hinged to the limiting bases respectively. The construction joint isolation device is easy to disassemble and assemble, the width of the isolation air bag is adjusted and controlled, and the working efficiency and practicability of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, concretely is construction joint isolation device. BACKGROUND

[0002] In the reinforced concrete structure, the beam-column joint of high-rise building frame structure is more complex, based on the internal force calculation result under different load combinations, often requires the same layer column component concrete strength grade higher than the beam component, which will inevitably lead to the interface (i.e. construction joint) between high-strength concrete column component and low-strength concrete beam component. By setting isolation measures, the mutual penetration of high-strength concrete and low-strength concrete can be effectively avoided, so as to affect the quality of the component.

[0003] The existing device is mainly through a plurality of air bags arranged in the construction joint to form a fence, and the existing technology is similar to the construction joint isolation device, and the structure of the patent number CN219586943U comprises one or more strip-shaped air bags, the air bag end is provided with a closable air hole, the air bag two ends are respectively fixed with a first connecting ring and a second connecting ring, and the first connecting ring is on the same side of the air hole; It also includes a first connecting rope, and the two ends of the first connecting rope are fixed with safety hooks; the safety hook at one end of the first connecting rope is hung on one of the first connecting rings. The utility model can solve the problem that when there are many air bags, the rear air bags are more difficult to insert into the construction joint and are more likely to be damaged, but the device still has room for optimization.

[0004] The existing device is mainly filled with construction joint by inflating the air bag, so that part of the device is difficult to quickly adhere or detach from the inner wall of the construction joint, thereby causing inconvenience in quickly assembling and disassembling the air bag, and part of the device is mainly controlled by the inflation head to control the air intake and exhaust of the air bag, so that part of the device is difficult to adjust the predetermined air pressure inside the air bag according to the width of the construction joint, thereby causing inconvenience in accurately adjusting the width of the isolation air bag, reducing the working efficiency and practicality of the device, therefore, in order to solve the above problems, the construction joint isolation device is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing construction joint isolation device, to solve the problem that the existing device in the prior art mentioned in the above background technology is mainly filled with construction joint by inflating the air bag, so that part of the device is difficult to quickly adhere or detach from the inner wall of the construction joint, thereby causing inconvenience in quickly assembling and disassembling the air bag, and part of the device is mainly controlled by the inflation head to control the air intake and exhaust of the air bag, so that part of the device is difficult to adjust the predetermined air pressure inside the air bag according to the width of the construction joint, thereby causing inconvenience in accurately adjusting the width of the isolation air bag.

[0006] The utility model discloses a construction joint isolation device, including: a support framework, the both ends of support framework are plane connecting end, and the middle part is provided with long strip cavity, a gasbag, the outer ring of support framework is arranged to the gasbag, and the both ends of gasbag are connected to the plane connecting end of support framework, and the controllable inflation cavity is formed between gasbag and plane connecting end, a pneumatic control valve is arranged on one of plane connecting end, is used for the inflation or deflation of inflation cavity, support framework is provided with support mechanism, and support mechanism includes:

[0007] A pair of symmetry screw rods, the symmetry screw rod is provided with two thread sections of opposite rotation, and the two thread sections are symmetrical with each other, and the symmetry screw rod is arranged in the long strip cavity, and the both ends are rotatably installed on the plane connecting end, one end of the symmetry screw rod passes through the plane connecting end, and a screw knob is arranged on the end, which is used for controlling the rotation of the symmetry screw rod.

[0008] A pair of adjusting nuts are respectively screwed on the thread sections, and the side end of the adjusting nut is provided with a limiting seat, the side of the long strip cavity is provided with a limiting sliding groove, the limiting seat passes through the limiting sliding groove and slides in the limiting sliding groove, and the rotation of the adjusting nut is limited.

[0009] A push plate is hinged with a transmission connecting rod on both sides, and the other end of the transmission connecting rod is hinged with the limiting seat, so that the push plate, the transmission connecting rod, the adjusting nut and the symmetry screw rod form a connecting rod transmission structure, and the push plate can move in translation.

[0010] As a preferred, the pneumatic control valve includes an air inlet seat and an air outlet seat, the air inlet seat is a one-way air inlet structure, and is used for inflating the inflation cavity, and the air outlet seat is arranged on one side of the air inlet seat and communicates with the air inlet seat.

[0011] As a preferred, the air outlet seat is internally provided with a piston, a push block, a spring and an adjusting screw rod, the piston is used for closing the communication between the air outlet seat and the air inlet seat, the spring is arranged between the piston and the push block, and exerts an elastic thrust on the piston, the adjusting screw rod is in transmission connection with the push block, and is used for adjusting the push block and adjusting the elastic force of the spring, one side of the air outlet seat is provided with an air outlet hole, and the piston is arranged in the air outlet hole when the piston is away from the communication between the air outlet seat and the air inlet seat.

[0012] As a preferred, a telescopic rod for limiting is arranged between the piston and the push block, and the spring is sleeved on the telescopic rod.

[0013] As a preferred, the adjusting screw rod is screwed on the side end of the air outlet seat, one end of the adjusting screw rod extends out of the side wall of the air outlet seat, and a pressure adjusting knob is arranged on the extending part.

[0014] The utility model discloses a construction joint isolation device, including: a support framework, the both ends of support framework are plane connecting end, and the middle part is provided with long strip cavity, a gasbag, the outer ring of support framework is arranged to the gasbag, and the both ends of gasbag are connected to the plane connecting end of support framework, and the controllable inflation cavity is formed between gasbag and plane connecting end, a pneumatic control valve is arranged on one of plane connecting end, is used for the inflation or deflation of inflation cavity, support framework is provided with support mechanism, and support mechanism includes:

[0015] 1. The utility model discloses a support mechanism in the symmetrical screw rod, screw knob, sealing plug, adjusting screw sleeve, transmission connecting rod and push plate structure, through the clockwise rotation screw knob drives the symmetrical screw rod limited rotation, and the symmetrical screw rod drives adjusting screw sleeve and transmission connecting rod's rear end symmetrical slide, makes the transmission connecting rod's front end drive push plate and slide forward, makes push plate support air bag, realizes the support of air bag, makes part device can through push plate drive air bag's outer wall and the inner wall of construction joint adhesion or separation, convenient quick assembly and disassembly air bag, has promoted the convenience and practicality of device.

[0016] 2. The utility model discloses a adjusting mechanism in the piston, telescopic link, push block, spring, adjusting screw rod, pressure regulating knob and fixed nut structure, through the rotation pressure regulating knob drives adjusting screw rod and limits the rotation in the inner wall of fixed nut, makes adjusting screw rod drive push block and slide left and right, push block telescopic spring and telescopic link, thereby adjust the spring's elastic potential and air bag exhaust's pressure threshold, realized the adjustment of exhaust threshold, made part device can adjust the predetermined air pressure in air bag according to the width of construction joint, convenient accurate control the width of isolation air bag, has promoted the adjustability and practicality of device. DRAWINGS

[0017] The utility model is further described below in connection with the drawings and examples.

[0018] Figure 1 It is the structure front view perspective drawing of the utility model;

[0019] Figure 2 It is the structure front view perspective drawing of the utility model;

[0020] Figure 3 It is the local structure side view perspective drawing of air bag and support mechanism of the utility model;

[0021] Figure 4 It is the local structure front view perspective drawing of exhaust seat and adjusting mechanism of the utility model.

[0022] In the drawing: 11, support framework;111, long bar cavity;112, limit sliding groove;12, air bag;13, air inlet seat;14, one-way air valve;15, exhaust seat;151, exhaust hole;2, support mechanism;21, symmetrical screw rod;22, screw knob;23, sealing plug;24, adjusting screw sleeve;241, limit seat;25, transmission connecting rod;26, push plate;3, adjusting mechanism;31, piston;32, telescopic link;33, push block;34, spring;35, adjusting screw rod;36, pressure regulating knob;37, fixed nut. DETAILED DESCRIPTION

[0023] With reference to the drawings in the embodiments of the present application, the technical solutions in the embodiments of the present application are described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0024] Please refer to Figures 1-4 The present application provides an embodiment: the construction joint isolation device is composed of a support framework 11, an air bag 12 and an air control valve.

[0025] The support framework 11 has a flat connection end at both ends and a long strip-shaped cavity 111 in the middle. The air bag 12 is arranged outside the support framework 11, and the two ends of the air bag 12 are connected to the flat connection ends of the support framework 11. The air bag 12 and the flat connection ends form a controllable inflation cavity. The air control valve is arranged on one of the flat connection ends and is used to inflate or deflate the inflation cavity.

[0026] The construction joint isolation device is convenient to assemble and disassemble. The device mainly controls the air intake and exhaust of the air bag by connecting an external air source through the air control valve, avoids the difficulty of adjusting the predetermined air pressure in the air bag according to the width of the construction joint, can control the width of the isolation air bag, and improves the working efficiency and practicality of the device.

[0027] Specifically, the support framework 11 is fixedly connected with the air bag 12 outside the support framework 11. The top of the support framework 11 is fixedly connected with the air inlet seat 13. The top of the air inlet seat 13 is fixedly connected with the one-way air valve 14. The outer wall of the air inlet seat 13 is fixedly connected with the air outlet seat 15 on the left side.

[0028] Please refer to Figure 3The inside of the support framework 11 is provided with a supporting mechanism 2, which comprises a symmetrical screw rod 21 having two thread sections 211 with opposite rotation directions, the two thread sections 211 are symmetrical to each other, the symmetrical screw rod 21 is arranged in the long strip-shaped cavity 111, and two ends are rotatably arranged on the plane connecting end, one end penetrates through the plane connecting end, and the end is provided with a screw knob 22 for controlling the rotation of the symmetrical screw rod. Specifically, the bottom end of the symmetrical screw rod 21 is movably connected to the inner wall of the bottom of the support framework 11, the top end of the symmetrical screw rod 21 penetrates through the top of the support framework 11 and is fixedly connected with the screw knob 22, and the outer wall of the symmetrical screw rod 21 is fixedly connected with a sealing plug 23, the outer wall of the sealing plug 23 is movably connected to the inner wall of the top plate of the support framework 11, through the design, the screw knob 22 drives the symmetrical screw rod 21 to limit rotation, and the outer wall of the symmetrical screw rod 21 is rotatably connected with an adjusting sleeve 24 on both sides, the side end of the adjusting sleeve 24 is provided with a limiting seat 241, the side of the long strip-shaped cavity 111 is provided with a limiting sliding groove 112, the limiting seat 241 penetrates out of the limiting sliding groove 112 and slides in the limiting sliding groove 112, and the rotation of the adjusting sleeve 24 is limited.

[0029] The two sides of the pushing plate 26 are respectively hingedly connected with transmission connecting rods 25, the other ends of the transmission connecting rods 25 are respectively hingedly connected to the limiting seats 241, so that the pushing plate 26, the transmission connecting rods 25, the adjusting sleeve 24 and the symmetrical screw rod 21 form a connecting rod transmission structure, and the pushing plate 26 can move translationally, and the front side of the pushing plate 26 is fixedly connected to the inner wall of the front side of the air bag 12, through the design, the symmetrical screw rod 21 drives the adjusting sleeve 24 and one end of the transmission connecting rod 25 to slide symmetrically, so that the transmission connecting rod 25 drives the pushing plate 26 to slide forward and backward.

[0030] Referring to Figure 4 The air control valve comprises an air inlet seat 13 and an air outlet seat 15; the air inlet seat 13 is a one-way air inlet structure and is used for inflating the inside of the expansion cavity; and the air outlet seat 15 is arranged on one side of the air inlet seat 13 and communicates with the air inlet seat 13.

[0031] The inside of the air outlet seat 15 is provided with an adjusting mechanism 3, which comprises a piston 31, a pushing block 33, a spring 34 and an adjusting screw rod 35; the piston 31 is used for closing the communication between the air outlet seat 15 and the air inlet seat 13, the spring 34 is arranged between the piston 31 and the pushing block 33 and applies an elastic pushing force to the piston 31; and the adjusting screw rod 35 is in transmission connection with the pushing block 33 and is used for adjusting the pushing block 33 to adjust the elastic force of the spring 34. One side of the air outlet seat 15 is provided with an air outlet hole 151, and when the piston 31 leaves the communication between the air outlet seat 15 and the air inlet seat 13, air is discharged.

[0032] Specific, the outer wall of the piston 31 is slidingly connected to the right side of the inner wall of the exhaust seat 15, and the piston 31 is provided with a telescopic rod 32 for limiting between the push block 33. The spring 34 is sleeved on the telescopic rod 32, the left end of the telescopic rod 32 is fixedly connected with the push block 33, the outer wall of the push block 33 is slidingly connected to the left side of the inner wall of the exhaust seat 15. Through the design, the piston 31 is limited to slide left and right relative to the push block 33, the left side of the piston 31 is fixedly connected with the spring 34 outside the telescopic rod 32, and the left end of the spring 34 is fixedly connected to the right side of the push block 33. Through the design, the elastic force of the spring 34 is used to balance the air pressure inside the air bag 12, effectively avoiding the air bag 12 inside the pressure is too high, the left side of the push block 33 is movably connected with the adjusting screw 35, the left end of the adjusting screw 35 penetrates through the left side wall of the exhaust seat 15 and is fixedly connected with the pressure adjusting knob 36, and the outer wall of the adjusting screw 35 is threadedly connected with the fixed nut 37. The left side of the fixed nut 37 is fixedly connected to the left side of the exhaust seat 15. Through the design, the pressure adjusting knob 36 drives the adjusting screw 35 to rotate in the fixed nut 37, so that the adjusting screw 35 drives the push block 33 to slide left and right to adjust, which is convenient for controlling the pressure threshold of the air bag 12.

[0033] In the embodiment, the telescopic rod 32 is a rod body that is sleeved and slidable, and is located on the push block 33 and the piston 31 respectively.

[0034] Working principle: when the air bag 12 needs to be supported, first rotate the screw knob 22 clockwise, the screw knob 22 drives the symmetrical screw rod 21 to rotate, the symmetrical screw rod 21 drives the adjusting sleeve 24 to slide symmetrically, the adjusting sleeve 24 drives the rear end of the transmission connecting rod 25 to slide away symmetrically, so that the front end of the transmission connecting rod 25 drives the push plate 26 to slide forward, so that the push plate 26 supports the air bag 12, and the supporting operation of the air bag 12 is realized.

[0035] When the exhaust threshold needs to be adjusted, first rotate the pressure adjusting knob 36, the pressure adjusting knob 36 drives the adjusting screw 35 to rotate in the inner wall of the fixed nut 37, so that the adjusting screw 35 drives the push block 33 to slide left and right, the push block 33 telescopic spring 34 and telescopic rod 32, so as to adjust the elastic potential of the spring 34 and the pressure threshold of the air bag 12, realize the adjustment operation of the exhaust threshold, and the operation ends here.

[0036] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can implement the present application according to the drawings and the above; however, any equivalent changes, modifications and evolution of the above disclosed technical content without departing from the technical scheme of the present application can be made by any skilled person in the art, and all of them are equivalent embodiments of the present application; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A construction joint isolation device, comprising: A supporting frame, with planar connecting ends at both ends and an elongated cavity in the middle; an airbag, disposed on the outer ring of the supporting frame, with its two ends respectively connected to the planar connecting ends of the supporting frame, forming a controllable expansion cavity between the airbag and the planar connecting ends; and a pneumatic control valve, disposed on one of the planar connecting ends, for inflating or deflating the expansion cavity; characterized in that: the supporting frame is provided with a supporting mechanism, the supporting mechanism comprising: A symmetrical screw has two threaded sections with opposite directions of rotation. The two threaded sections are symmetrical to each other. The symmetrical screw is set in a long strip-shaped cavity, and its two ends are rotatably installed on the planar connection end. One end of the screw passes through the planar connection end and is equipped with a screw knob to control the rotation of the symmetrical screw. A pair of adjusting screw sleeves are screwed onto the threaded section respectively. The side end of the adjusting screw sleeve is provided with a limiting seat. The side of the elongated cavity is provided with a limiting groove. The limiting seat passes through the limiting groove and slides in the limiting groove, and restricts the rotation of the adjusting screw sleeve. A push plate is provided, with transmission links hinged to both sides of the push plate. The other end of the transmission links is hinged to the limit seat, so that the push plate, transmission links, adjusting sleeve and symmetrical screw form a linkage transmission structure, and the push plate can move in translation.

2. The construction joint isolation device according to claim 1, characterized in that: The pneumatic control valve includes an air inlet seat and an air outlet seat; the air inlet seat is a one-way air inlet structure that inflates the interior of the expansion cavity; the air outlet seat is located on one side of the air inlet seat and is connected to the air inlet seat.

3. The construction joint isolation device according to claim 2, characterized in that: The exhaust seat is internally equipped with a piston, a pusher block, a spring, and an adjusting screw. The piston is used to close the connection between the exhaust seat and the intake seat. The spring is located between the piston and the pusher block and applies an elastic thrust to the piston. The adjusting screw is driven by the pusher block and is used to adjust the pusher block and adjust the elastic force of the spring. An exhaust hole is provided on one side of the exhaust seat. When the piston leaves the connection between the exhaust seat and the intake seat, exhaust is performed.

4. The construction joint isolation device according to claim 3, characterized in that: A telescopic rod for limiting the position is provided between the piston and the push block, and the spring is sleeved on the telescopic rod.

5. A construction joint isolation device according to claim 4, characterized in that: The adjusting screw is screwed to the end of the exhaust seat, with one end extending out of the side wall of the exhaust seat. The extended part is equipped with a pressure adjusting knob.

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