CN113679978B - Eccentric wheel linkage type lock catch and safety belt device - Google Patents
Eccentric wheel linkage type lock catch and safety belt device Download PDFInfo
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- CN113679978B CN113679978B CN202110970588.3A CN202110970588A CN113679978B CN 113679978 B CN113679978 B CN 113679978B CN 202110970588 A CN202110970588 A CN 202110970588A CN 113679978 B CN113679978 B CN 113679978B
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- lock catch
- eccentric wheel
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- seat
- rope
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0006—Harnesses; Accessories therefor
- A62B35/0025—Details and accessories
- A62B35/0037—Attachments for lifelines and lanyards
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0006—Harnesses; Accessories therefor
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Lowering Means (AREA)
- Lock And Its Accessories (AREA)
Abstract
The application relates to the technical field of safety belts, in particular to an eccentric wheel linkage type lock catch and a safety belt device, wherein the eccentric wheel linkage type lock catch comprises a lock catch seat, an eccentric wheel, a spring, a linkage strip and a rope; the first end of the linkage bar is connected with the first end of the lock catch seat through a spring; the second end of the linkage strip movably penetrates through the second end of the lock catch seat; a limiting piece is arranged at the second end of the linkage strip; the eccentric wheel is eccentrically and rotatably arranged on the lock catch seat through the rotating shaft; the eccentric wheel is connected with the linkage bar; the bottom of the lock catch seat is bent and extended to form a first limiting groove; the fixed end of the rope is connected with the second end of the locking seat; the movable end of the rope penetrates through the first limiting groove from the first end of the locking seat; a pressing gap for pressing the rope is formed between the eccentric wheel and the inner wall of the first limiting groove. The safety belt length adjusting device effectively solves the technical problem that safety belt length adjustment is inconvenient in the prior art.
Description
Technical Field
The application relates to the technical field of safety belts, in particular to an eccentric wheel linkage type lock catch and a safety belt device.
Background
The safety belt is frequently used in ascending operation, and the main force rope of the existing safety belt is generally tied firmly by tying or fastened by using a metal component. The prior art uses a rope knot binding method, and the method needs to be inflexible and inconvenient when the position or the length of a safety belt needs to be adjusted during operation on a rod and can be completed within a certain time, while the method using a metal component for fastening is inflexible and inconvenient to use when the length of the safety belt is adjusted.
Disclosure of Invention
In view of this, the present application aims to provide an eccentric wheel linkage type lock catch and a safety belt device, which effectively solve the technical problem of inconvenience in adjusting the length of a safety belt in the prior art.
In order to achieve the above purpose, the present application provides an eccentric wheel linkage type lock catch, which includes a lock catch seat, an eccentric wheel, a spring, a linkage bar and a rope;
the first end of the linkage strip is connected with the first end of the lock catch seat through the spring;
the second end of the linkage strip movably penetrates through the second end of the lock catch seat;
a limiting piece is arranged at the second end of the linkage strip;
the eccentric wheel is eccentrically and rotatably arranged on the lock catch seat through a rotating shaft;
the eccentric wheel is connected with the linkage bar;
the bottom of the lock catch seat is bent and extended to form a first limiting groove;
the fixed end of the rope is connected with the second end of the lock catch seat;
the movable end of the rope penetrates through the first limiting groove from the first end of the lock catch seat;
and a pressing gap for pressing the rope is formed between the eccentric wheel and the inner wall of the first limiting groove.
Preferably, in the above-mentioned eccentric wheel interlocking type lock catch, there are at least two eccentric wheels;
the eccentric wheels are arranged in parallel along the length direction of the linkage bar.
Preferably, in the above-mentioned eccentric wheel interlocking type lock catch, the rotating shafts of the eccentric wheels are all located on the same straight line.
Preferably, in the above eccentric wheel linkage type lock catch, a mounting piece is fixedly arranged at the second end of the lock catch seat;
the mounting piece is convexly arranged on the surface of the lock catch seat;
the second end of the linkage strip penetrates through the mounting piece.
Preferably, in the above eccentric wheel linkage type lock catch, a fixing piece is fixedly arranged at a first end of the lock catch seat;
the fixing piece is convexly arranged on the surface of the lock catch seat;
the first end of the linkage strip is connected with the fixing piece through the spring.
Preferably, in the above eccentric wheel interlocking type lock catch, the mounting plate is parallel to the fixing plate.
Preferably, in the above-mentioned eccentric wheel coordinated type lock catch, the top of the lock catch seat is bent and extended to form a second limit groove.
Preferably, in the above-mentioned eccentric wheel linkage type lock catch, the eccentric wheel is installed between the linkage bar and the lock catch seat.
Preferably, in the above eccentric wheel linkage type lock catch, the limiting member is specifically a limiting hook.
The application also provides a safety belt device, which comprises the eccentric wheel linkage type lock catch.
Compared with the prior art, the beneficial effect of this application is:
when the eccentric wheel linkage type lock catch is used, a rope passes through the first limiting groove, the eccentric wheel presses the rope, and when the rope is stressed to the right, the rope cannot move under the elastic limitation of the spring and the compression of the eccentric wheel, so that the effect of safe fixation is achieved; when the length of the rope needs to be adjusted, the linkage strip can be pulled leftwards, the pressure of the rope pressed by the eccentric wheel disappears, the length of the rope can be adjusted at will, the safety rope has the advantages of convenience in operation and flexible adjustment of the length of the rope, and the technical problem that the length of a safety belt is inconvenient to adjust in the prior art is effectively solved.
The application also provides a safety belt device, adopts foretell an eccentric wheel coordinated type hasp, can not only need not tie up, can adjust the length of safety belt in a flexible way again, has safe and reliable, uses nimble advantage.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an eccentric wheel linkage type lock catch provided in an embodiment of the present application.
In the figure:
the locking device comprises a locking seat 1, a first limiting groove 11, a second limiting groove 12, an eccentric wheel 2, a rotating shaft 21, a spring 3, a linkage bar 4, a limiting piece 41, a rope 5, an installation piece 6 and a fixing piece 7.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The safety belt is frequently used in ascending operation, and the main force rope of the existing safety belt is generally tied firmly by tying or fastened by using a metal component. The prior art uses a knot binding method, and the method needs to be inflexible and inconvenient when the position or the length of a safety belt needs to be adjusted during operation on a rod and needs a certain time to finish the operation, while the method using a metal component for fastening is inflexible and inconvenient to use when the length of the safety belt is adjusted. The embodiment provides an eccentric wheel linkage type lock catch, and the technical problem that the length of a safety belt is inconvenient to adjust in the prior art is effectively solved.
Referring to fig. 1, an embodiment of the present application provides an eccentric wheel linkage type lock catch, including a lock catch seat 1, an eccentric wheel 2, a spring 3, a linkage bar 4 and a rope 5; the first end of the linkage strip 4 is connected with the first end of the lock catch seat 1 through the spring 3; the second end of the linkage strip 4 movably penetrates through the second end of the lock catch seat 1; a limiting part 41 is arranged at the second end of the linkage strip 4; the eccentric wheel 2 is eccentrically and rotatably arranged on the lock catch seat 1 through a rotating shaft 21; the eccentric wheel 2 is connected with a linkage bar 4; the bottom of the lock catch seat 1 is bent and extended to form a first limiting groove 11; the fixed end of the rope 5 is connected with the second end of the lock catch seat 1; the movable end of the rope 5 penetrates through the first limiting groove 11 from the first end of the locking seat 1; the eccentric 2 and the inner wall of the first limiting groove 11 together form a pressing gap for pressing the rope 5.
More specifically, the body of the latch holder 1 is a plate-shaped structure, and the bottom edge of the plate-shaped structure is bent and extended to form a first limit groove 11; the rotating shaft 21 is fixedly connected with the locking seat 1, the eccentric wheel 2 is rotatably sleeved on the rotating shaft 21, the rotating shaft 21 is positioned at a non-circle center position of the eccentric wheel 2, and two ends of the spring 3 are respectively and fixedly connected with the first end of the linkage bar 4 and the first end of the locking seat 1; the eccentric wheel 2 is fixedly connected with the linkage bar 4 through a connecting rod, and the axis direction of the connecting rod is parallel to the central line of the eccentric wheel 2.
In the embodiment, referring to fig. 1, when the rope 5 passes through the first limiting groove 11, the eccentric wheel 2 presses the rope 5, and when the rope 5 is forced to the right, the rope 5 cannot move under the elastic limitation of the spring 3 and the compression of the eccentric wheel 2, so as to play a role in safety fixation; when the length of the rope 5 needs to be adjusted, the linkage strip 4 can be pulled leftwards, the pressure of the eccentric wheel 2 pressing the rope 5 disappears, the length of the rope 5 can be adjusted at will, the safety belt adjusting device has the advantages of being convenient to operate and capable of flexibly adjusting the length of the rope 5, and the technical problem that the safety belt is inconvenient to adjust in length in the prior art is effectively solved.
Further, in the present embodiment, there are at least two eccentrics 2; the eccentric wheels 2 are arranged in parallel along the length direction of the linkage bar 4. The rope 5 can be further pressed tightly through the arrangement of the eccentric wheel 2, the rope 5 is prevented from being pulled out of the first limiting groove 11 rightwards, and the rope pressing device has the advantages of safety and reliability.
More specifically, the present embodiment preferably employs two eccentrics 2, which both have a good pressing effect on the rope 5 and can relatively easily control the simultaneous movement of the two eccentrics 2 simultaneously via the linkage bar 4, an excessive number of eccentrics 2 being difficult to achieve in-phase movement on the contrary; two adjacent eccentric wheels 2 are separated by a certain distance, so that the eccentric wheels 2 can be effectively prevented from being clamped.
Further, in the present embodiment, the rotating shafts 21 of the respective eccentrics 2 are located on the same straight line. The arrangement can ensure that the eccentric wheels 2 can synchronously rotate, so that the eccentric wheels 2 simultaneously press the rope 5 or simultaneously loosen the rope 5, and the requirement for flexibly adjusting the rope 5 is met.
Further, in the present embodiment, the second end of the locking seat 1 is fixedly provided with the mounting piece 6; the mounting piece 6 is arranged on the surface of the lock catch base 1 in a protruding mode; the second end of the linkage strip 4 penetrates through the mounting piece 6. The installation piece 6 can provide a position for movably installing the linkage bar 4 on the lock catch base 1, and the installation piece 6 is convexly arranged on the surface of the lock catch base 1, so that a proper space is left between the linkage bar 4 and the lock catch base 1, and the eccentric wheel 2 can be installed.
Further, in the present embodiment, a fixing piece 7 is fixedly arranged at a first end of the locking seat 1; the fixing piece 7 is convexly arranged on the surface of the lock catch base 1; the first end of the linkage strip 4 is connected with the fixing plate 7 through the spring 3. The spring 3 and the lock catch seat 1 can be provided with a fixed connection position through the fixing piece 7, and the fixing piece 7 is convexly arranged on the surface of the lock catch seat 1, so that a proper space is left between the linkage strip 4 and the lock catch seat 1, and the spring 3 can stretch and move and the eccentric wheel 2 can be installed.
Further, in the present embodiment, the attachment piece 6 is provided in parallel with the fixing piece 7. Through parallel arrangement's installation piece 6 and stationary blade 7 for linkage strip 4 can be parallel with the surface of hasp seat 1, thereby makes the distance between linkage strip 4 and the hasp seat 1 be invariable, thereby can restrict eccentric wheel 2 and carry out steady motion along the length direction of linkage strip 4 all the time, guarantees the safe and reliable of hasp.
Further, in the present embodiment, the top of the latch base 1 is bent and extended to form the second limiting groove 12. The body of the lock catch seat 1 is of a plate-shaped structure, the top edge of the plate-shaped structure is bent and extended to form a second limiting groove 12, the second limiting groove 12 is combined with a first limiting groove 11, the effect of limiting the motion direction of the top and the bottom of the eccentric wheel 2 can be achieved, the situation that the eccentric wheel 2 deviates up and down in the motion process is avoided, and the safety and the reliability of the lock catch are guaranteed.
Further, in the present embodiment, the eccentric 2 is installed between the linkage bar 4 and the latch base 1. The arrangement can utilize the common clamping of the linkage strip 4 and the lock catch seat 1 to limit the rolling of the eccentric wheel 2, is favorable for guiding the eccentric wheel 2 to roll along the linear direction, and ensures that the length of the rope 5 can be flexibly adjusted.
Further, in the present embodiment, the limiting member 41 is specifically a limiting hook. Setting up through spacing hook both can carry on spacingly to linkage 4, avoids eccentric wheel 2 to be pulled by pulling force right, guarantees eccentric wheel 2 to the effect that compresses tightly of rope 5, can regard as the position that the staff gripped linkage 4 again to the staff pulling linkage 4, makes eccentric wheel 2 press the pressure of rope 5 to disappear, can adjust the length of rope 5 at will.
The embodiment also provides a safety belt device which comprises the eccentric wheel linkage type lock catch, so that a rope knot does not need to be tied, the length of the safety belt can be flexibly adjusted, and the safety belt device has the advantages of safety, reliability and flexible use.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. An eccentric wheel linkage type lock catch is characterized by comprising a lock catch seat, an eccentric wheel, a spring, a linkage strip and a rope;
the first end of the linkage strip is connected with the first end of the lock catch seat through the spring;
the second end of the linkage strip movably penetrates through the second end of the lock catch seat;
a limiting piece is arranged at the second end of the linkage strip;
the eccentric wheel is eccentrically and rotatably arranged on the lock catch seat through a rotating shaft;
the eccentric wheel is connected with the linkage bar;
the bottom of the lock catch seat is bent and extended to form a first limiting groove;
the fixed end of the rope is connected with the second end of the lock catch seat;
the movable end of the rope penetrates through the first limiting groove from the first end of the lock catch seat;
a pressing gap for pressing the rope is formed between the eccentric wheel and the inner wall of the first limiting groove;
a first end of the lock catch seat is fixedly provided with a fixing piece, the fixing piece is convexly arranged on the surface of the lock catch seat, and a first end of the linkage strip is connected with the fixing piece through the spring; the second end of the lock catch seat is fixedly provided with an installation piece, the installation piece is convexly arranged on the surface of the lock catch seat, and the second end of the linkage strip penetrates through the installation piece; the installation sheet is parallel to the fixing sheet, and the linkage strip is parallel to the surface of the lock catch seat; the eccentric wheel is arranged between the linkage bar and the lock catch seat.
2. The eccentric wheel linkage type lock catch according to claim 1, wherein the number of the eccentric wheels is at least two;
the eccentric wheels are arranged in parallel along the length direction of the linkage bar.
3. The eccentric wheel linkage type lock catch according to claim 2, wherein the rotating shafts of the eccentric wheels are all located on the same straight line.
4. The eccentric wheel linkage type lock catch according to claim 1, wherein the top of the lock catch seat is bent and extended to form a second limiting groove.
5. The eccentric wheel linkage type lock catch according to claim 1, wherein the limiting member is a limiting hook.
6. A safety belt device comprising an eccentric-linked lock catch according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110970588.3A CN113679978B (en) | 2021-08-23 | 2021-08-23 | Eccentric wheel linkage type lock catch and safety belt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110970588.3A CN113679978B (en) | 2021-08-23 | 2021-08-23 | Eccentric wheel linkage type lock catch and safety belt device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113679978A CN113679978A (en) | 2021-11-23 |
| CN113679978B true CN113679978B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110970588.3A Active CN113679978B (en) | 2021-08-23 | 2021-08-23 | Eccentric wheel linkage type lock catch and safety belt device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114404832B (en) * | 2021-11-29 | 2022-10-21 | 宁波正宇紧固件有限公司 | Elastic locking device for operation of 5G signal tower |
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| CH58646A (en) * | 1912-01-19 | 1913-03-17 | A Rosenberger | Eccentric lock for double guided clotheslines |
| EP0226829B1 (en) * | 1985-12-20 | 1989-08-30 | Paul-Heinrich Steinacker | Climbing device |
| FR2757774B1 (en) * | 1996-12-27 | 1999-03-19 | Komet | FALL APPARATUS ON VERTICAL CABLE |
| CN2318206Y (en) * | 1997-11-09 | 1999-05-12 | 陈东 | Auto-locking pulley |
| CN2336820Y (en) * | 1998-06-17 | 1999-09-08 | 王涛 | Rope-drawing locking device |
| CN2703748Y (en) * | 2004-04-06 | 2005-06-08 | 胡钰新 | Rigging gear |
| CN201326270Y (en) * | 2008-12-22 | 2009-10-14 | 张功元 | Eccentric wheel type centrifugal safety lock |
| CN201510663U (en) * | 2009-10-16 | 2010-06-23 | 浙江省电力设备总厂 | Double-brake type safety catch |
| CN202078663U (en) * | 2011-03-26 | 2011-12-21 | 台州学院 | High-building fast escape apparatus |
| GB2517675A (en) * | 2013-05-29 | 2015-03-04 | Heightec Group Ltd | Fall arrest device and a restraining device therefor |
| CN204199921U (en) * | 2014-11-03 | 2015-03-11 | 河北金后盾塑胶有限公司 | A kind of safety lock of casing |
| CN206355468U (en) * | 2017-01-05 | 2017-07-28 | 国网冀北电力有限公司唐山供电公司 | A kind of anti-fall rope Locking device structure of the upper and lower tower of transmission line of electricity |
| CN208877756U (en) * | 2018-09-20 | 2019-05-21 | 云南华盾安全技术有限公司 | A kind of quick mounting type fall arrest device |
| CN209596441U (en) * | 2018-10-29 | 2019-11-08 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of safety rope self-locking device |
| CN210302103U (en) * | 2019-06-19 | 2020-04-14 | 国家电网有限公司 | Shaft tower safety arrangement |
| CN210659462U (en) * | 2019-07-27 | 2020-06-02 | 扬州大学 | Anti-falling eccentric wheel clamping device |
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2021
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