Liftable balcony door and window guardrail

Abstract

The utility model relates to the technical field of door and window guardrails, and provides a liftable balcony door and window guardrail which comprises two sets of main bodies, sliding grooves are formed in the inner sides of the two sets of main bodies, first guide rods are fixedly arranged in inner cavities of the sliding grooves, and moving plates are slidably arranged on the surfaces of the first guide rods. By means of the layered guide design, during use, along with rotation of the threaded rod, the movable plate can be driven to slide along the sliding groove and the first guide rod in a guiding mode and compress the first spring, and the movable plate is driven to move along the sliding groove and the first guide rod in a guiding mode. The moving plate drives the guide block and the stop block to guide and lift along the sliding cavity through the first handrail and the mounting plate, the moving plate, the first handrail and the mounting plate can stably lift under the dual guide limiting action of the first guide rod and the guide block, and the lifting device is simple in structure, convenient to operate, low in cost, convenient to operate and use and suitable for large-scale popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to door and window guardrail technical field especially relates to a kind of extendable balcony door and window guardrails. BACKGROUND

[0002] At present, residential building balcony mostly adopts floor window, so the guardrail in balcony becomes necessary facility to guarantee the safety of the occupants and prevent personnel from falling.

[0003] For example, the balcony door and window guardrail disclosed in CN211899338U includes two parallel columns, two brackets are slidably installed on the side of the two columns, a handrail is fixedly arranged on the top of the two brackets, an upper cross beam and a lower cross beam below the upper cross beam are fixedly connected between the two brackets, a plurality of fixing rods are fixedly connected between the upper cross beam and the lower cross beam, a vertical rod is movably sleeved on the lower part of the fixing rod, and the bottom end of the vertical rod is movably penetrated below the lower cross beam. The balcony door and window guardrail can be conveniently and quickly lifted by manual operation, avoiding the drawbacks of the prior art that the balcony door and window guardrail needs to be set with a telescopic cylinder, which makes it difficult for ordinary families to promote. The balcony door and window guardrail does not need to be set with a telescopic cylinder for driving, and can be lifted by manual operation, which is simple to operate and conducive to popularization and use.

[0004] However, in the prior art, the lifting mechanism of the guardrail is not reasonably designed, which may cause the guardrail to shake during lifting, affecting stability and safety, and the lifting operation of the guardrail is complex, which is not convenient for users in daily use, thereby limiting the practicality of the device to a certain extent. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems of unreasonable design of the lifting mechanism of the guardrail in the prior art, which may cause the guardrail to shake during lifting, affecting stability and safety, and the lifting operation of the guardrail is complex, which is not convenient for users in daily use.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a balcony door and window guardrail that can be extended and lowered includes two groups of main bodies, a sliding groove is formed in the inner side of each group of main bodies, a first guide rod is fixedly arranged in the inner cavity of the sliding groove, a moving plate is slidably arranged on the surface of the first guide rod, the upper surface of the moving plate is fixedly connected to the inner top wall of the sliding groove through a first spring, a plurality of first railings are fixedly arranged on the upper surface of the moving plate away from the first spring, an installation plate is fixedly arranged at the top end of each first railing, guide blocks are symmetrically fixedly arranged at the two ends of the lower surface of the installation plate, a stop block is fixedly arranged at the bottom end of each guide block, a sliding cavity is formed in the upper surface of each group of main bodies for sliding with the guide blocks and the stop blocks, and a mounting seat is fixedly arranged at the bottom end of each group of main bodies.

[0007] As a preferred implementation, the upper part of the two groups of the inner side of the main body is fixedly provided with an upper fixed plate, and the lower part of the two groups of the inner side of the main body is fixedly provided with a lower fixed plate.

[0008] As a preferred implementation, the lower fixed plate is fixedly connected with the second rail through the upper fixed plate, and the second rail is staggered with the first rail, and the first rail is movably connected with the upper fixed plate.

[0009] As a preferred implementation, a threaded rod is arranged at the center of the lower fixed plate and the second rail, the bottom end of the threaded rod extends to the lower part of the lower fixed plate, and a knob is arranged in transmission, and the lower surface of the knob is fixedly provided with a handle.

[0010] As a preferred implementation, the lower surface of the lower fixed plate is provided with a locking mechanism, the locking mechanism comprises an opening in the lower surface of the lower fixed plate close to one end of the moving groove, and the inner cavity of the moving groove is fixedly provided with a second guide rod.

[0011] As a preferred implementation, the surface of the second guide rod is slidably provided with a moving block, and the outer side of the moving block is fixedly connected with the inner side wall of the moving groove through a second spring.

[0012] As a preferred implementation, the lower surface of the moving block is fixedly provided with a push block, and the side of the moving block is fixedly provided with a positioning block, and the positioning block is clamped with the knob.

[0013] Compared with the prior art, the advantages and positive effects of the utility model lie in:

[0014] The utility model discloses a hierarchical guide design, when using, the rotation of threaded rod will drive the moving plate along the sliding groove, the first guide rod guide sliding and compress the first spring, and the moving plate drives the guide block, the baffle along the sliding cavity guide lifting through the first rail, the mounting plate, under the double guide limiting action of the first guide rod and the guide block, make the moving plate, the first rail and the mounting plate can carry out stable lifting, simple structure, convenient operation, low in cost, convenient operation uses, be applicable to large -scale popularization.

[0015] The utility model discloses a locking mechanism, when adjusting the height of the door and window guardrail, first, push the push block to the outer wall, and the push block is guided to slide in the second guide rod through the positioning block and compresses the second spring, so that the positioning block and the knob are separated, when the door and window guardrail is adjusted to the appropriate height, the push block is loosened, the second spring is quickly rebounded and drives the positioning block to limit the knob through the moving block, avoids the threaded rod from being loose and causes the door and window guardrail to shake, improves the safety and practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the balcony door and window guardrail provided by the utility model;

[0017] Figure 2 A whole structure front view schematic diagram of the balcony door and window guardrail provided by the utility model;

[0018] Figure 3 A three-dimensional structure schematic diagram of the balcony door and window guardrail provided by the utility model; Figure 2 An enlarged schematic diagram of structure A;

[0019] Figure 4 An enlarged schematic diagram of structure B of the balcony door and window guardrail provided by the utility model; Figure 2 An enlarged schematic diagram of structure B;

[0020] LEGEND:

[0021] 1, main body; 2, mounting seat; 3, sliding groove; 4, first guide rod; 5, first spring; 6, moving plate; 7, first guardrail; 8, mounting plate; 9, guide block; 10, stop block; 11, sliding cavity; 12, lower fixed plate; 13, second guardrail; 14, upper fixed plate; 15, threaded rod; 16, knob; 17, handle; 18, moving groove; 19, second guide rod; 20, second spring; 21, moving block; 22, positioning block; 23, push block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4The utility model provides a technical scheme: a balcony door and window guardrail can extend, including two groups of main body 1, the inner side of two groups of main body 1 is all seted up with the sliding slot 3, the inner chamber of sliding slot 3 is fixed with first guide rod 4, the surface of first guide rod 4 is slid with moving plate 6, and the upper surface of moving plate 6 is fixedly connected with the inner top wall of sliding slot 3 through first spring 5, and the upper surface of moving plate 6 is fixedly set with a plurality of first rail 7 at the position away from first spring 5, and the top of first rail 7 is fixed with mounting plate 8, and the lower surface of mounting plate 8 is fixedly set with guide block 9 in two ends symmetry, and the bottom of guide block 9 is fixed with baffle 10, and the upper surface of two groups of main body 1 is all seted up with the sliding cavity 11 for with guide block 9, baffle 10 matched sliding, and the bottom of two groups of main body 1 is fixed with mounting seat 2, adopts the layered guide design, when using, with the rotation of threaded rod 15, moving plate 6 will drive along with sliding slot 3, first guide rod 4 guide sliding and compress first spring 5, and moving plate 6 drives guide block 9, baffle 10 along with sliding cavity 11 guide lifting through first rail 7, mounting plate 8, under the double guide limiting action of first guide rod 4 and guide block 9, make moving plate 6, first rail 7 and mounting plate 8 can carry out stable lifting.

[0024] As Figures 1-4 The upper position of the inner side of two groups of main body 1 is fixed with upper fixed plate 14, and the lower position of the inner side of two groups of main body 1 is fixed with lower fixed plate 12, and the lower fixed plate 12 is fixedly connected with second rail 13 through a plurality of upper fixed plates 14, and the second rail 13 is mutually staggered with first rail 7, and the first rail 7 is movably connected with upper fixed plate 14, and moving plate 6 drives first rail 7 to slide along upper fixed plate 14 with mounting plate 8, to reach the purpose of height adjustment of door and window guardrail.

[0025] As Figures 1-4As shown, the lower fixed plate 12 is provided with a threaded rod 15 at the center of the second railing 13, the bottom end of the threaded rod 15 extends to the lower position of the lower fixed plate 12, and is provided with a knob 16, the lower surface of the knob 16 is fixedly provided with a handle 17, the lower surface of the lower fixed plate 12 is provided with a locking mechanism, the locking mechanism includes an opening in the lower surface of the lower fixed plate 12 close to one end of the moving groove 18, the inner cavity of the moving groove 18 is fixedly provided with a second guide rod 19, the surface of the second guide rod 19 is slidably provided with a moving block 21, the outer side of the moving block 21 is fixedly connected with the inner side wall of the moving groove 18 through the second spring 20, the lower surface of the moving block 21 is fixedly provided with a push block 23, one side of the moving block 21 is fixedly provided with a positioning block 22, and the positioning block 22 is clamped with the knob 16, when adjusting the height of the door and window guardrail, first push the push block 23 outward, the push block 23 is guided to slide in the second guide rod 19 through the positioning block 22 and compresses the second spring 20, so that the positioning block 22 is separated from the knob 16, when the door and window guardrail is adjusted to the appropriate height, the push block 23 is loosened, the second spring 20 quickly rebounds and drives the positioning block 22 to limit the knob 16 through the moving block 21, avoiding the loosening of the threaded rod 15 to cause the shaking of the door and window guardrail, ensuring the stable lifting of the door and window guardrail.

[0026] Working principle: in use, first install the main body 1 in the specified position of the balcony door and window through the expansion bolt, when adjusting the height of the door and window guardrail, push the push block 23 outward, the push block 23 is guided to slide in the second guide rod 19 through the positioning block 22 and compresses the second spring 20, so that the positioning block 22 is separated from the knob 16, hold and rotate the handle 17 at this time, the handle 17 drives the knob 16 and the threaded rod 15 to rotate, the rotation of the threaded rod 15 drives the moving plate 6 to guide and slide along the sliding groove 3 and the first guide rod 4 and compresses the first spring 5, and the moving plate 6 drives the guide block 9 and the stop block 10 to guide and lift along the sliding cavity 11 through the first railing 7 and the mounting plate 8, under the double guide limiting action of the first guide rod 4 and the guide block 9, the moving plate 6, the first railing 7 and the mounting plate 8 can stably lift, when the door and window guardrail is adjusted to the appropriate height, the push block 23 is loosened, the second spring 20 quickly rebounds and drives the positioning block 22 to limit the knob 16 through the moving block 21, avoiding the loosening of the threaded rod 15 to cause the shaking of the door and window guardrail height, ensuring the stable operation of the height adjustment of the door and window guardrail, the whole structure is simple, easy to operate, and suitable for large-scale promotion.

[0027] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A retractable balcony door and window guard comprising two groups of bodies (1), characterized in that: The inner side of the two groups of bodies (1) is provided with a sliding groove (3), the inner cavity of the sliding groove (3) is fixedly provided with a first guide rod (4), the surface of the first guide rod (4) is slidably provided with a moving plate (6), the upper surface of the moving plate (6) is fixedly connected with the inner top wall of the sliding groove (3) through a first spring (5), a plurality of first railings (7) are fixedly arranged on the upper surface of the moving plate (6) away from the first spring (5), the top end of the first railing (7) is fixedly provided with a mounting plate (8), the lower surface of the mounting plate (8) is symmetrically fixedly provided with a guide block (9), the bottom end of the guide block (9) is fixedly provided with a stop block (10), the upper surface of the two groups of bodies (1) is provided with a sliding cavity (11) for sliding with the guide block (9) and the stop block (10), and the bottom end of the two groups of bodies (1) is fixedly provided with a mounting seat (2).

2. A retractable balustrade for doors and windows of a balcony according to claim 1, characterized in that: The upper side of the inner side of the two groups of bodies (1) is fixedly provided with an upper fixed plate (14), and the lower side of the inner side of the two groups of bodies (1) is fixedly provided with a lower fixed plate (12).

3. A retractable balustrade for doors and windows of a balcony according to claim 2, characterized in that: The lower fixed plate (12) and the second railing (13) are fixedly connected through a plurality of upper fixed plates (14), and the second railing (13) and the first railing (7) are mutually staggered, and the first railing (7) and the upper fixed plate (14) are movably connected.

4. A retractable balustrade for doors and windows of a balcony according to claim 2, characterized in that: The lower fixed plate (12) and the second railing (13) are drivingly provided with a threaded rod (15) at the center, the bottom end of the threaded rod (15) extends to the lower position of the lower fixed plate (12), and is drivingly provided with a knob (16), and the lower surface of the knob (16) is fixedly provided with a handle (17).

5. A retractable balustrade for doors and windows of a balcony according to claim 2, characterized in that: The lower surface of the lower fixed plate (12) is provided with a locking mechanism, the locking mechanism comprises an opening in the lower surface of the lower fixed plate (12) close to one end of the moving groove (18), and the inner cavity of the moving groove (18) is fixedly provided with a second guide rod (19).

6. A retractable balustrade for doors and windows of a balcony according to claim 5, characterized in that: The surface of the second guide rod (19) is slidably provided with a moving block (21), and the outer side of the moving block (21) is fixedly connected with the inner side wall of the moving groove (18) through a second spring (20).

7. A retractable balustrade for doors and windows of a balcony according to claim 6, characterized in that: The lower surface of the moving block (21) is fixedly provided with a push block (23), one side of the moving block (21) is fixedly provided with a positioning block (22), and the positioning block (22) is clamped with the knob (16).

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