CN215136824U

CN215136824U - Openable cable sliding pulley

Info

Publication number: CN215136824U
Application number: CN202121402596.XU
Authority: CN
Inventors: 蒋锋华
Original assignee: Zhejiang Bingfeng Outdoor Products Co ltd
Current assignee: Zhejiang Bingfeng Outdoor Products Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-12-14
Anticipated expiration: 2031-06-23

Abstract

The utility model relates to an openable cable-sliding pulley, which comprises a pulley bracket, wherein the pulley bracket is provided with a rope loading port, the pulley bracket is slidably provided with a connecting hook, a reset spring is arranged between the connecting hook and the pulley bracket, the connecting hook is provided with an opening corresponding to the rope loading port, the opening position of the connecting hook is hinged with an opening latch hook, and the pulley bracket is provided with a driving device connected with the opening latch hook; when the connecting hook is in a stressed state in use, the connecting hook integrally moves downwards, the rope loading opening is in a closed state, and meanwhile, the opening locking hook rotates by 90 degrees to close the connecting hook opening, so that the rope loading opening and the connecting hook opening are both in a closed state in the whole process; when the connecting hook is in a non-stressed state, the opening locking hook is driven by the driving device to rotate to open the opening of the connecting hook, the connecting hook resets under the action of the reset spring to move upwards, and the rope loading opening is opened.

Description

Openable cable sliding pulley

Technical Field

The utility model belongs to mountain-climbing, cable fall, rescue and outdoor exercises articles for use field, specifically speaking relates to a cable-sliding pulley can open.

Background

The rope-sliding pulley is a common apparatus in the processes of climbing, rope descending, rescuing and outdoor sports, and the rope-sliding pulley needs to be unfolded and then hung on a rope when in use, and then rope-sliding operation is carried out. At present, the general pulley support and the connecting hook of the used sliding rope pulley are of an integrated structure, an opening is formed in the position of the pulley, a lock hook with a reset spring is arranged at the opening, the lock hook can be manually opened in the using process or the non-using process, and therefore when the pulley is overturned or has other unexpected conditions, an operator can easily generate misoperation and safety risks occur.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem existing in the prior art, the utility model provides an openable cable-sliding pulley.

The pulley comprises a pulley bracket, wherein a plurality of pulleys are arranged on the pulley bracket; the pulley support is provided with a rope loading opening, a connecting hook is slidably arranged on the pulley support, a return spring is arranged between the connecting hook and the pulley support, the connecting hook is provided with an opening corresponding to the rope loading opening, the opening position of the connecting hook is hinged with an opening lock hook, and a driving device connected with the opening lock hook is arranged on the pulley support; when the connecting hook is in a stressed state in use, the opening locking hook rotates by 90 degrees to close the opening of the connecting hook, and the rope loading port is in a closed state; when the connecting hook is in a non-stressed state, the opening locking hook can be driven by the driving device to rotate to open the opening of the connecting hook, the connecting hook resets under the action of the reset spring, and the rope loading port is in an open state.

Furthermore, the driving device comprises a driving sliding block and a driving head, the driving sliding block is slidably arranged on the pulley bracket and fixedly connected with the driving head, and the driving sliding block is in transmission connection with the opening locking hook through a connecting spring.

Furthermore, the driving sliding block is arranged on the fixing block in a sliding mode, and the fixing block is fixed on the pulley support through a pin shaft.

Furthermore, the driving slider is provided with a limiting raised head, and when the rope loading port of the connecting hook is in a closed state in a stressed state, the limiting raised head is clamped at the opening position of the connecting hook, so that the connecting hook is prevented from moving in position in the using process.

Drawings

FIG. 1 is a schematic structural view of the openable rope pulley of the present invention in an opened state;

FIG. 2 is a schematic structural view of the openable rope-sliding pulley in a closed state;

FIG. 3 is a schematic view of the structure of the openable locking hook and the hook of the openable rope-sliding pulley of the present invention;

FIG. 4 is a schematic view of the structure of the openable locking hook and the hook of the openable rope-sliding pulley in a closed state;

fig. 5 is a schematic side view of the structure of the openable cable pulley with the hook and the openable locking hook in a closed state.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The following description is of the preferred embodiment of the present invention, and is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the invention. The protection scope of the present invention is subject to the limitations defined by the appended claims.

The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the present invention.

Examples

As shown in fig. 1-5, an openable cable pulley comprises a pulley bracket 1, wherein a plurality of pulleys 2 are arranged on the pulley bracket 1; the pulley support 1 is provided with a rope loading opening 1a, the pulley support 1 is slidably provided with a connecting hook 3, a reset spring 6 is arranged between the connecting hook 3 and the pulley support 1, the connecting hook 3 is provided with an opening corresponding to the rope loading opening 1a, the opening position of the connecting hook 3 is hinged with an opening lock hook 4, and the pulley support 1 is provided with a driving device 5 connected with the opening lock hook 4; when the connecting hook 3 is in a stressed state in use, the opening locking hook 4 rotates by 90 degrees to close the opening of the connecting hook 3, and the rope inlet 1a is in a closed state; when the connecting hook 3 is in an unstressed state, the opening locking hook 4 is driven to rotate to open the opening of the connecting hook 3 through the driving device 5, the connecting hook 3 resets under the action of the reset spring 6, and the rope loading port 1a is in an opened state.

As shown in fig. 4, in the design, the opening latch hook 4 is hinged to the lower hook body 3a of the opening of the connecting hook 3, and when the connecting hook 3 is moved downward in the stressed state, the upper hook body 3b of the opening of the connecting hook 3 makes the rope inlet 1a in the closed state, and simultaneously the opening latch hook 4 rotates 90 degrees to close the opening of the connecting hook 3. Meanwhile, an open groove can be formed in the upper hook body 3b of the opening of the connecting hook 3, the opening locking hook 4 is clamped into the open groove of the upper hook body 3b after the opening locking hook 4 is rotated for 90 degrees and closed, and the opening locking hook 4 and the connecting hook 3 are guaranteed to be smooth and have no convex part integrally.

Preferably, the driving device 5 comprises a driving slider 5a and a driving head 5b, the driving slider 5a is slidably disposed on the pulley bracket 1 and is fixedly connected with the driving head 5b, and the driving slider 5a is in transmission connection with the open latch hook 4 through a connecting spring 5 c.

The using process and the state change are as follows:

when in use, the pulley bracket 1 is hung on a rope hovering at high altitude through the rope loading port 1a, and the rope is tightly contacted with the pulleys 2.

As shown in figure 1, an operator is connected with a connecting hook hole 3c of a connecting hook 3 through a safety hook, at the moment, the connecting hook 3 is driven to move downwards by the gravity of a human body, a rope loading port 1a is covered by an upper hook body 3b of an opening of the connecting hook 3 and is in a closed state, meanwhile, an opening locking hook 4 hinged to a lower hook body 3a of the opening of the connecting hook 3 rotates for 90 degrees to close the opening of the connecting hook 3, so that the rope loading port 1a and the opening of the connecting hook 3 are in a closed state in the whole using process, and the rope loading port 1a and the opening of the connecting hook 3 cannot be opened in the whole using process, so that the practical safety of the sliding rope pulley is ensured.

As shown in fig. 2, when the operator arrives at the safe place and the openable cable pulley is in a loose and unstressed state, the driving head 5b of the driving device 5 can be shifted to move towards the rear side of the cable inlet 1a, at this time, the driving head 5b drives the driving slider 5a to move, simultaneously, the connecting spring 5c pulls the opening locking hook 4 to rotate and open the opening of the connecting hook 3, the connecting hook 3 is reset to move upwards under the action of the reset spring, and the cable inlet 1a is opened as shown in fig. 1.

More preferably, the driving slider 5a is slidably disposed on the fixing block 1b, and the fixing block 1b is fixed on the pulley bracket 1 by a pin 1b 1.

More preferably, the driving slider 5a is provided with a limiting protrusion 5a1, and when the rope inlet 1a of the connecting hook 3 is in a closed state under a stress state, the limiting protrusion 5a1 is clamped at the opening position of the connecting hook 3 to prevent the connecting hook 3 from moving in position during use.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. An openable cable sliding pulley comprises a pulley bracket (1), wherein a plurality of pulleys (2) are arranged on the pulley bracket (1); the method is characterized in that: the pulley support (1) is provided with a rope loading opening (1a), the pulley support (1) is provided with a connecting hook (3) in a sliding mode, a reset spring (6) is arranged between the connecting hook (3) and the pulley support (1), the connecting hook (3) is provided with an opening corresponding to the rope loading opening (1a), an opening locking hook (4) is hinged to the opening of the connecting hook (3), and the pulley support (1) is provided with a driving device (5) connected with the opening locking hook (4); when the connecting hook (3) is in a stressed state in use, the opening locking hook (4) rotates by 90 degrees to close the opening of the connecting hook (3), and the rope loading port (1a) is in a closed state; when the connecting hook (3) is in a non-stressed state, the opening of the connecting hook (3) can be opened by driving the opening locking hook (4) to rotate through the driving device (5), the connecting hook (3) resets under the action of the reset spring (6), and the rope loading port (1a) is in an opened state.

2. An openable cable sheave according to claim 1, characterized in that: the driving device (5) comprises a driving sliding block (5a) and a driving head (5b), the driving sliding block (5a) is slidably arranged on the pulley support (1) and is fixedly connected with the driving head (5b), and the driving sliding block (5a) is in transmission connection with the opening locking hook (4) through a connecting spring (5 c).

3. An openable cable sheave according to claim 2, characterized in that: the driving sliding block (5a) is arranged on the fixed block (1b) in a sliding mode, and the fixed block (1b) is fixed on the pulley support (1) through a pin shaft (1b 1).

4. An openable cable sheave according to claim 2 or 3, characterized in that: the driving slider (5a) is provided with a limiting raised head (5a1), when the rope loading port (1a) of the connecting hook (3) is in a closed state in a stressed state, the limiting raised head (5a1) is clamped at the opening position of the connecting hook (3), and the connecting hook (3) is prevented from moving in position in the using process.