CN213573353U

CN213573353U - Height-adjustable telescopic protective fence

Info

Publication number: CN213573353U
Application number: CN202022066738.1U
Authority: CN
Inventors: 张立锋; 许勇; 谢育; 梁沛坤; 王祖兵; 白春鸿; 易书; 刘志启
Original assignee: Guangdong Zhonggong Project Management Co ltd
Current assignee: Guangdong Zhonggong Project Management Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-29
Anticipated expiration: 2030-09-18

Abstract

A telescopic protective guard with adjustable height comprises a frame, supporting legs and clamping blocks; two upright posts are arranged in the frame in a sliding manner; a protective net is arranged between the upright posts in a sliding way; sliding pieces are arranged on the two transverse sides of the protective net and are in sliding connection with the upright posts through the sliding pieces; a locking piece is arranged below the sliding piece; the upper end of the upright post is provided with an end cap which is connected with the frame in a sliding way; the rack is arranged at the bottom of the frame and is in sliding connection with the supporting legs; the supporting legs are provided with gear boxes; a rotating shaft is rotatably arranged in the gear box; the rotating shaft is provided with a gear and a ratchet wheel, and the gear is meshed with the rack; the fixture block passes through the gear box and is arranged on the ratchet wheel. The utility model can adjust the height of the frame according to the requirement of the construction site; the protection network can be expanded and packed up, can contract after the use, is convenient for remove, and is nimble convenient, and the practicality is strong.

Description

Height-adjustable telescopic protective fence

Technical Field

The utility model relates to a flexible rail guard technical field especially relates to a highly can adjust flexible rail guard.

Background

In some construction sites, to ensure safety, guard rails are often used to enclose the site. By adopting the conventional guard rail, the fixing anchor bolts need to be cut off during construction, and the construction is inconvenient to recover after the construction is finished. And the safety consciousness of part of constructors is low, after the operation is finished, the adjacent side guardrail is not recovered in time, and the potential safety hazard is large.

Meanwhile, the guard rail in the prior art is inconvenient to shrink and is inconvenient to transport; the height of the guard rail in the prior art can not be adjusted at will, and the guard rail is very inconvenient to apply to certain specific occasions. Based on the existing problems, a telescopic guard rail with adjustable height is provided.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to solve the technical problems existing in the background technology, the utility model provides a telescopic protective guard with adjustable height, which can adjust the height of a frame according to the needs of a construction site by arranging a gear, a rack and a ratchet wheel; through setting up protection network and frame, can expand and pack up the protection network, can contract after the use, be convenient for remove, it is nimble convenient, the practicality is strong.

(II) technical scheme

The utility model provides a telescopic protective guard with adjustable height, which comprises a frame, supporting legs, a gear box, a rotating shaft, a gear, a ratchet wheel, a clamping block, a stand column, a locking piece and an end cap;

the supporting legs are of a cylindrical structure; the frame is square, a rack is arranged at the bottom of the frame and positioned in the supporting leg, and first hanging rings are arranged on two transverse sides of the frame; the gear box is arranged on the side surface of the supporting leg and communicated with the supporting leg; the rotating shaft is rotatably arranged on the gear box and penetrates through the gear box; the gear is arranged on the rotating shaft, is positioned in the gear box and is meshed and connected with the rack; the ratchet wheel is arranged on the rotating shaft and is positioned in the gear box; the clamping block penetrates through the gear box and is arranged on the ratchet wheel, the clamping block is connected with the gear box in a sliding mode, a second limiting block is arranged at the upper end of the clamping block, and a pull ring is arranged on the second limiting block; the two upright columns are arranged in the frame in parallel and are connected with the frame in a sliding manner, a plurality of third sliding grooves are uniformly formed in the upright columns around the central axis, and second hanging rings are arranged on the upright columns; the end cap is arranged at the upper end of the upright post and is connected with the frame in a sliding way; the locking piece is of a spring structure, a third hanging ring and a hook are respectively arranged at two ends of the locking piece, the third hanging ring is arranged on the first hanging ring, and the hook is arranged on the second hanging ring; a protective net is arranged between the two stand columns in a sliding manner, the protective net comprises a plurality of metal strips which are hinged, sliding parts are arranged on two transverse sides of the protective net and are connected with the stand columns in a sliding manner, and the sliding parts are positioned in a third sliding groove; the slider bottom is provided with the clamp, and clamp and stand sliding connection are provided with the screw on the clamp, screw and stand sliding connection, and the screw is located the third spout.

Preferably, a cross bar at the bottom of the frame is provided with a first sliding chute; the stand bottom is provided with the sliding block, sliding block and frame sliding connection, and the sliding block is located first spout.

Preferably, a cross bar at the upper part of the frame is provided with a second sliding chute; the end cap is provided with a sliding block, the sliding block is connected with the frame in a sliding mode, and the sliding block is located in the second sliding groove.

Preferably, the rack bottom is provided with a first limiting block, the first limiting block is located in the supporting leg, and the first limiting block is of a square block structure or a circular block structure.

Preferably, the bottom plate is arranged at the bottom of the supporting leg and is a metal plate, and the bottom plate is fixedly connected with the ground through a bolt.

Preferably, the upper end of the supporting leg is provided with a limiting part, and the inner peripheral surface of the limiting part is equal to the outer peripheral surface of the rack.

Preferably, a crank is arranged on the rotating shaft and is of a Z-shaped structure.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

the utility model discloses when using, with a plurality of the utility model discloses the cooperation installation, enclose in the construction site outside can, with the couple on the lock piece hang on the second link can, if the staff needs to pass through the utility model discloses or need open the utility model discloses, only need to get off the couple from the second link, then promote the stand of getting off couple one end, promote to the opposite side, the stand drives the end cap and moves on the frame, stand and end cap drive sliding block and slider respectively and slide in first spout and second spout, then hang the couple that takes off on the second link of opposite side can, get off the couple after using again, move the stand to original one side, the stand drives the protection network that contracts and expandes, can realize the protection function; if a higher protective net is needed in a construction site, workers rotate the crank, the crank drives the rotating shaft to rotate, the rotating shaft drives the gear and the ratchet wheel to rotate, the gear drives the rack to slide upwards, the ratchet wheel periodically jacks up the clamping block, the clamping block periodically falls under the action of gravity to clamp the ratchet wheel, the reverse rotation of the clamping block is prevented, and the protective net is lifted; when the protective net needs to be lowered, only the pull ring needs to be pulled, the pull ring drives the clamping block to move upwards, the ratchet wheel is not limited by the clamping block, and the frame falls under the action of gravity; after the use, dismantle each part, pack up the protection network, be convenient for the utility model discloses a remove. The utility model discloses can expand during the use and pack up the protection network, can also adjust the height of frame according to the building site needs, can contract after the use, be convenient for remove, it is nimble convenient, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of a first visual angle of the telescopic guard rail with adjustable height according to the present invention.

Fig. 2 is a schematic structural view of a second viewing angle of the telescopic guard rail with adjustable height according to the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of fig. 2 at B.

Fig. 5 is a partially enlarged view of C in fig. 2.

Fig. 6 is a partial cross-sectional view of a support leg in a height adjustable telescopic guard rail provided by the present invention.

Fig. 7 is a schematic structural diagram of the inside of the gear box in the telescopic guard rail with adjustable height according to the present invention.

Fig. 8 is a schematic structural view of an end cap of a telescopic guard rail with adjustable height according to the present invention.

Reference numerals: 1. a frame; 101. a rack; 102. a first chute; 103. a second chute; 104. a first stopper; 105. a first suspension loop; 2. supporting legs; 201. a base plate; 202. a limiting part; 3. a gear case; 4. a rotating shaft; 401. a crank; 5. a gear; 6. a ratchet wheel; 7. a clamping block; 701. a second limiting block; 702. a pull ring; 8. a column; 801. a third chute; 802. a second suspension loop; 9. a locking member; 901. a third suspension loop; 902. hooking; 10. an end cap; 1001. a slider; 11. a protective net; 12. a slider; 13. and (5) clamping a hoop.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-8, the utility model provides a height-adjustable telescopic guard rail, which comprises a frame 1, a support leg 2, a gear box 3, a rotating shaft 4, a gear 5, a ratchet 6, a clamping block 7, a column 8, a locking piece 9 and an end cap 10;

the supporting legs 2 are of a cylindrical structure; the frame 1 is square, a rack 101 is arranged at the bottom of the frame 1, the rack 101 is positioned in the support leg 2, and first hanging rings 105 are arranged on two transverse sides of the frame 1; the gear box 3 is arranged on the side surface of the supporting leg 2, and the gear box 3 is communicated with the supporting leg 2; the rotating shaft 4 is rotatably arranged on the gear box 3, and the rotating shaft 4 penetrates through the gear box 3; the gear 5 is arranged on the rotating shaft 4, the gear 5 is positioned in the gear box 3, and the gear 5 is meshed with the rack 101; the ratchet wheel 6 is arranged on the rotating shaft 4, and the ratchet wheel 6 is positioned in the gear box 3; the fixture block 7 penetrates through the gear box 3 and is arranged on the ratchet wheel 6, the fixture block 7 is connected with the gear box 3 in a sliding mode, a second limiting block 701 is arranged at the upper end of the fixture block 7, and a pull ring 702 is arranged on the second limiting block 701; two upright columns 8 are arranged, the two upright columns 8 are arranged in the frame 1 in parallel, the upright columns 8 are connected with the frame 1 in a sliding manner, the upright columns 8 are uniformly provided with a plurality of third sliding grooves 801 around the central axis, and the upright columns 8 are provided with second hanging rings 802; the end cap 10 is arranged at the upper end of the upright post 8, and the end cap 10 is connected with the frame 1 in a sliding way; the locking piece 9 is of a spring structure, a third hanging ring 901 and a hook 902 are respectively arranged at two ends of the locking piece 9, the third hanging ring 901 is arranged on the first hanging ring 105, and the hook 902 is arranged on the second hanging ring 802; a protective net 11 is arranged between the two upright posts 8 in a sliding manner, the protective net 11 comprises a plurality of metal strips which are hinged, sliding pieces 12 are arranged on two transverse sides of the protective net 11, the sliding pieces 12 are connected with the upright posts 8 in a sliding manner, and the sliding pieces 12 are positioned in the third sliding grooves 801; the bottom of the sliding part 12 is provided with a clamp 13, the clamp 13 is connected with the upright post 8 in a sliding manner, the clamp 13 is provided with a screw, the screw is connected with the upright post 8 in a sliding manner, and the screw is located in the third sliding groove 801.

In an alternative embodiment, the cross bar at the bottom of the frame 1 is provided with a first sliding chute 102; the stand 8 bottom is provided with the sliding block, sliding block and frame 1 sliding connection, and the sliding block is located first spout 102, sets up sliding block and first spout 102, the sliding connection of stand 8 and frame 1 of being convenient for.

In an alternative embodiment, a second chute 103 is arranged on the cross bar at the upper part of the frame 1; the end cap 10 is provided with a sliding block 1001, the sliding block 1001 is connected with the frame 1 in a sliding manner, the sliding block 1001 is located in the second sliding groove 103, and the sliding block 1001 and the second sliding groove 103 are arranged to facilitate the sliding connection between the end cap 10 and the frame 1.

In an optional embodiment, a first limiting block 104 is arranged at the bottom of the rack 101, the first limiting block 104 is located inside the supporting leg 2, the first limiting block 104 is a square block structure or a circular block structure, and the first limiting block 104 is arranged to ensure that the rack 101 cannot slide out of the supporting leg 2.

In an optional embodiment, the bottom plate 201 is arranged at the bottom of the supporting leg 2, the bottom plate 201 is a metal plate, the bottom plate 201 is fixedly connected with the ground through a bolt, the bottom plate 201 is arranged, and the stability of the utility model is ensured.

In an alternative embodiment, the upper end of the supporting leg 2 is provided with a limiting part 202, the inner circumferential surface of the limiting part 202 is equal to the outer circumferential surface of the rack 101, and the limiting part 202 is arranged to ensure that the rack 101 cannot slide out of the supporting leg 2.

In an alternative embodiment, the rotating shaft 4 is provided with a crank 401, the crank 401 is in a Z-shaped structure, and the crank 401 is arranged, so that the gear 5 can be rotated by rotating the crank 401, and the use is more labor-saving.

The utility model discloses when using, a plurality of the utility model discloses the cooperation installation, enclose in the construction site outside can, hang couple 902 on the lock piece 9 on second link 802 can, if there is the staff to need to pass through the utility model discloses or need open the utility model discloses, only need take off couple 902 from second link 802, then promote the stand 8 of taking off couple 902 one end, promote to the opposite side, stand 8 drives end cap 10 and moves on frame 1, stand 8 and end cap 10 drive sliding block and slider 1001 slide in first spout 102 and second spout 103 respectively, then hang the couple 902 that takes off on the second link 802 of opposite side can, take off couple 902 after using again, move stand 8 to original one side, stand 8 drives the protection network 11 that contracts and expandes, can realize the safeguard function; if a higher protective net 11 is needed in a construction site, workers rotate the crank 401, the crank 401 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the gear 5 and the ratchet wheel 6 to rotate, the gear 5 drives the rack 101 to slide upwards, the ratchet wheel 6 periodically jacks up the fixture block 7, the fixture block 7 periodically falls under the action of gravity to clamp the ratchet wheel, the ratchet wheel is prevented from reversing, and the protective net 11 is lifted; when the protective net 11 needs to be lowered, only the pull ring 702 needs to be pulled, the pull ring 702 drives the fixture block 7 to move upwards, the ratchet 6 is not limited by the fixture block 7, and the frame 1 falls under the action of gravity; after the use, dismantle each part, pack up protection network 11, be convenient for the utility model discloses a remove. The utility model discloses can expand and pack up protection network 11 during the use, can also adjust frame 1's height according to the building site needs, can contract after the use, be convenient for remove, it is nimble convenient, the practicality is strong.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A telescopic protective guard with adjustable height is characterized by comprising a frame (1), supporting legs (2), a gear box (3), a rotating shaft (4), a gear (5), a ratchet wheel (6), a clamping block (7), an upright post (8), a locking piece (9) and an end cap (10);

the supporting leg (2) is of a cylindrical structure; the frame (1) is square, a rack (101) is arranged at the bottom of the frame (1), the rack (101) is positioned in the support leg (2), and first hanging rings (105) are arranged on two transverse sides of the frame (1); the gear box (3) is arranged on the side surface of the supporting leg (2), and the gear box (3) is communicated with the supporting leg (2); the rotating shaft (4) is rotatably arranged on the gear box (3), and the rotating shaft (4) penetrates through the gear box (3); the gear (5) is arranged on the rotating shaft (4), the gear (5) is positioned in the gear box (3), and the gear (5) is meshed and connected with the rack (101); the ratchet wheel (6) is arranged on the rotating shaft (4), and the ratchet wheel (6) is positioned in the gear box (3); the clamping block (7) penetrates through the gear box (3) and is arranged on the ratchet wheel (6), the clamping block (7) is connected with the gear box (3) in a sliding mode, a second limiting block (701) is arranged at the upper end of the clamping block (7), and a pull ring (702) is arranged on the second limiting block (701); two upright posts (8) are arranged, the two upright posts (8) are arranged in the frame (1) in parallel, the upright posts (8) are connected with the frame (1) in a sliding manner, a plurality of third sliding grooves (801) are uniformly formed in the upright posts (8) around the central axis, and second hanging rings (802) are arranged on the upright posts (8); the end cap (10) is arranged at the upper end of the upright post (8), and the end cap (10) is connected with the frame (1) in a sliding way; the locking piece (9) is of a spring structure, a third hanging ring (901) and a hook (902) are respectively arranged at two ends of the locking piece (9), the third hanging ring (901) is arranged on the first hanging ring (105), and the hook (902) is arranged on the second hanging ring (802); a protective net (11) is arranged between the two upright posts (8) in a sliding manner, the protective net (11) comprises a plurality of metal strips which are hinged, sliding pieces (12) are arranged on two transverse sides of the protective net (11), the sliding pieces (12) are connected with the upright posts (8) in a sliding manner, and the sliding pieces (12) are located in a third sliding groove (801); the bottom of the sliding part (12) is provided with a clamp (13), the clamp (13) is in sliding connection with the upright post (8), the clamp (13) is provided with a screw, the screw is in sliding connection with the upright post (8), and the screw is located in the third sliding groove (801).

2. A telescopic rail guard with adjustable height according to claim 1 characterized in that the cross bar at the bottom of the frame (1) is provided with a first chute (102); the bottom of the upright post (8) is provided with a sliding block, the sliding block is connected with the frame (1) in a sliding way, and the sliding block is positioned in the first sliding groove (102).

3. A telescopic guard rail with adjustable height according to claim 1, characterized in that the cross bar on the upper part of the frame (1) is provided with a second chute (103); the end cap (10) is provided with a sliding block (1001), the sliding block (1001) is connected with the frame (1) in a sliding mode, and the sliding block (1001) is located in the second sliding groove (103).

4. The telescopic guard rail with the adjustable height as claimed in claim 1, wherein a first limit block (104) is arranged at the bottom of the rack (101), the first limit block (104) is positioned in the supporting leg (2), and the first limit block (104) is of a square block structure or a circular block structure.

5. A height-adjustable telescopic guard rail according to claim 4, characterized in that a bottom plate (201) is arranged at the bottom of the supporting leg (2), the bottom plate (201) is a metal plate, and the bottom plate (201) is fixedly connected with the ground through a bolt.

6. A height adjustable telescopic guard rail according to claim 5, characterized in that the upper end of the supporting leg (2) is provided with a limiting part (202), and the inner circumference of the limiting part (202) is equal to the outer circumference of the rack (101).

7. A telescopic guard rail with adjustable height according to claim 1, characterized in that the rotating shaft (4) is provided with a crank (401), and the crank (401) is of a Z-shaped structure.