CN210918811U

CN210918811U - Novel anti-falling rope

Info

Publication number: CN210918811U
Application number: CN201921066495.2U
Authority: CN
Inventors: 熊英
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-07-03
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a novel prevent weighing down rope, include: the two same fixing heads are used for fixing on the window frame and are respectively fixedly connected to two ends of the steel wire rope; the fixing head comprises an upper block and a lower block which can be combined and fixed together, the upper block and the lower block are symmetrical in structure, at least two symmetrical cross grooves are respectively arranged on opposite surfaces of the upper block and the lower block, and the cross grooves are sequentially connected; the two ends of the steel wire rope are respectively provided with clamping rings which are matched with the cross-shaped grooves in number and matched with the fixing heads, and the steel wire rope and the clamping rings can be arranged in the cross-shaped grooves and matched with the fixing heads to limit the displacement of the steel wire rope and the fixing heads. A technical object of the utility model is to provide a novel prevent weighing down rope.

Description

Novel anti-falling rope

Technical Field

The utility model belongs to the technical field of prevent that door and window from dropping device, especially relate to an anti-falling rope.

Background

The windows are not firmly installed for a long time or during the installation process or accidents caused by other reasons can cause the loose-leaf installed doors and windows to fall off, which is particularly dangerous for pedestrians, vehicles and the like outside the building. In order to prevent such dangerous events, fall protection ropes have been developed, and the reliability of fall protection ropes has become particularly important, so that a new type of fall protection rope has been proposed.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model discloses a technical aim at provides a novel rope that prevents weighing down.

The utility model discloses a following technical scheme realizes:

the utility model discloses a prevent weighing down rope, include:

the two same fixing heads are used for fixing on the window frame and are respectively fixedly connected to two ends of the steel wire rope;

the fixing head comprises an upper block and a lower block which can be combined and fixed together, the upper block and the lower block are symmetrical in structure, at least two symmetrical cross grooves are respectively arranged on opposite surfaces of the upper block and the lower block, and the cross grooves are sequentially connected;

the two ends of the steel wire rope are respectively provided with clamping rings which are matched with the cross-shaped grooves in number and matched with the fixing heads, and the steel wire rope and the clamping rings can be arranged in the cross-shaped grooves and matched with the fixing heads to limit the displacement of the steel wire rope and the fixing heads.

The utility model discloses a prevent weighing down rope, the chucking ring is located the outer loop outside wire rope and 2-5 card lamella of locating between outer loop and the wire rope including the cover, and forms the interference fit structure between card lamella and outer loop and the wire rope.

The utility model discloses a prevent weighing down rope, every goes up the quantity of the cross recess of piece and lower piece and is 4, and the cross recess connects gradually and is the U type and arranges.

The utility model discloses a prevent weighing down the rope, be equipped with a plurality of female anti-skidding teeth on the inside wall of outer loop, female anti-skidding tooth becomes annular structure, the extrados of card lamella be equipped with can with female anti-skidding tooth complex public anti-skidding tooth, the intrados of card lamella is equipped with the bellied card strip of a plurality of perpendicular to card lamella axis direction.

The utility model discloses a prevent weighing down rope, female anti-skidding tooth is arranged in proper order by at least one cross sectional shape for right angled triangle's anti-skidding ring and constitutes, the axial direction along the outer loop of arranging of anti-skidding ring.

The utility model discloses a prevent weighing down rope, the thickness h of card lamella is R- (0.7 ~ 0.9) R, wherein: r is the inner diameter of the outer ring, and R is the radius of the steel wire rope.

The utility model discloses a prevent weighing down rope, upper segment and lower piece pass through the bolt-up cooperation.

Since the technical scheme is used, the beneficial effects of the utility model are that:

can make prevent falling and be connected between rope and the fixed block firm to be convenient for installation and dismantlement, it mainly restricts falling of preventing falling the rope through the chucking ring and drops, and this kind of structure is more firm, uses safelyr.

Drawings

FIG. 1 is a schematic view of the overall structure of the fall-preventing rope;

FIG. 2 is a schematic view of the structure of the fixing head;

fig. 3 is a schematic structural view of the clamp ring.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The novel fall arrest cord, as shown in figures 1 to 3, comprises: the two fixing heads 2 are the same and are used for being fixed on a window frame, the two fixing heads 2 are respectively and fixedly connected to two ends of a steel wire rope 1, the two fixing heads 2 are the same in structure, and 4 are bolt holes;

the fixing head 2 comprises an upper block 21 and a lower block 22 which can be combined and fixed together, the upper block 21 and the lower block 22 are symmetrical in structure, at least two symmetrical cross grooves 211 are respectively arranged on opposite surfaces of the upper block 21 and the lower block 22, and the cross grooves are sequentially connected;

the two ends of the steel wire rope are respectively provided with clamping rings 3 which are matched with the cross-shaped grooves 211 in number and matched with the fixing heads, the steel wire rope and the clamping rings can be arranged in the cross-shaped grooves 211 and matched with the fixing heads 2 to limit the displacement of the steel wire rope and the fixing heads, and then the steel wire rope 1 provided with the clamping rings 3 is arranged between the upper block and the lower block, so that the steel wire rope is firmly arranged with the upper block and the lower block; the upper block 21 and the lower block 22 are tightly fitted by bolts.

The clamping ring 3 comprises an outer ring 31 sleeved outside the steel wire rope 1 and 2-5 clamping petals 32 arranged between the outer ring 31 and the steel wire rope 1, and an interference fit structure is formed among the clamping petals 32, the outer ring 31 and the steel wire rope, so that the outer ring, the clamping ring and the steel wire rope can be prevented from sliding.

The number of the cross grooves 211 of each of the upper block 21 and the lower block 22 is 4, the cross grooves 211 are sequentially connected and arranged in a U shape, so that the possibility of the steel wire slipping can be further reduced, the connection between the cross grooves 211 can pass through the wire rope groove 213, and the wire rope groove 213 can be understood as a groove for installing the steel wire rope except the cross grooves 211 and is not limited to the U-shaped portion in the drawings.

The inner side wall of the outer ring 31 is provided with a plurality of female anti-slip teeth 311, the female anti-slip teeth 311 form a ring structure, the outer arc surface of the clamping flap 32 is provided with male anti-slip teeth 321 capable of being matched with the female anti-slip teeth 311, and the inner arc surface of the clamping flap 32 is provided with a plurality of protruding clamping strips 322 perpendicular to the axial direction of the clamping flap 32, so that the friction force between the clamping flap 32 and the steel wire rope is increased.

The female anti-slip teeth 311 are formed by sequentially arranging at least one anti-slip ring with a right-angled triangle cross section, and the anti-slip rings 312 are arranged along the axial direction of the outer ring 31, so that the possibility of relative slip between the anti-slip teeth can be avoided or reduced.

The thickness h of the snap ring 32 is R- (0.7-0.9) R, wherein: r is the inner diameter of the outer ring 31, R is the radius of the steel wire rope, wherein the coefficient between (0.7-0.9) is selected according to the diameter of the steel wire rope, if R is smaller, the coefficient can be larger, and if R is larger, the coefficient can be smaller; typically, h ═ R-0.8R.

It should be noted that the installation among the clamping flap, the steel wire rope and the outer ring is installed together in a pressing mode, and the installation is not disassembled after the installation, wherein, the arrangement of the male and female anti-skid teeth is that the direction of the anti-skid teeth perpendicular to the outer ring and the surface a of the clamping flap is consistent with the direction b of the relative movement trend of the steel wire rope when the window drops, and the direction of the clamping flap 32 installed in the outer ring is consistent with the direction b, so that the installation of the clamping flap 32 and the installation of the outer ring 31 are more stable, the steel wire rope can be prevented from moving to the greatest extent, and the overall reliability of the anti-falling rope is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. The utility model provides a novel prevent weighing down rope which characterized in that includes: the two same fixing heads (2) are used for being fixed on the window frame, and the two fixing heads (2) are respectively and fixedly connected to two ends of the steel wire rope (1);

the fixing head (2) comprises an upper block (21) and a lower block (22) which can be combined and fixed together, the upper block (21) and the lower block (22) are symmetrical in structure, at least two symmetrical cross grooves (211) are respectively arranged on opposite surfaces of the upper block (21) and the lower block (22), and the cross grooves are sequentially connected;

the two ends of the steel wire rope are respectively provided with clamping rings (3) which are matched with the cross grooves (211) in number and matched with the fixing heads, and the steel wire rope and the clamping rings can be installed in the cross grooves (211) to be matched with the fixing heads (2) to limit the displacement of the steel wire rope and the fixing heads.

2. The novel anti-falling rope is characterized in that the clamping ring (3) comprises an outer ring (31) sleeved outside the steel wire rope (1) and 2-5 clamping flaps (32) arranged between the outer ring (31) and the steel wire rope (1), and interference fit structures are formed among the clamping flaps (32), the outer ring (31) and the steel wire rope.

3. The novel fall-preventing rope according to claim 1, characterized in that the number of the cross grooves (211) of each of the upper block (21) and the lower block (22) is 4, and the cross grooves (211) are connected in sequence and arranged in a U-shape.

4. The novel anti-falling rope is characterized in that a plurality of female anti-sliding teeth (311) are arranged on the inner side wall of the outer ring (31), male anti-sliding teeth (321) capable of being matched with the female anti-sliding teeth (311) are arranged on the outer arc surface of the clamping flap (32), and a plurality of raised clamping strips (322) perpendicular to the axial direction of the clamping flap (32) are arranged on the inner arc surface of the clamping flap (32).

5. Novel anti-fall rope according to claim 4, characterized in that said female anti-slip teeth (311) are composed of at least one anti-slip ring with a right triangle cross section arranged in sequence, the arrangement of the anti-slip ring (312) being along the axial direction of the outer ring (31).

6. The novel fall protection rope according to claim 4, wherein the thickness h of the snap flaps (32) is R- (0.7-0.9) R, wherein: r is the inner diameter of the outer ring (31), and R is the radius of the steel wire rope.

7. A new fall arrest rope according to claims 1 or 2 or 3 or 4, characterized in that the upper block (21) and the lower block (22) are tightly fitted by means of bolts.