KR20190129699A - Industrial safety locking snap hook - Google Patents

Abstract

The present invention relates to a connection hook for industrial safety. The connection hook for industrial safety is to remarkably improve durability. The connection hook for industrial safety is light by having a compact size. According to the present invention, the connection hook for industrial safety includes: a hook body (2) having an opening (21) on one side; an opening and closing unit (3) installed to cross an upper end and a lower end of the hook body (2) and formed to open and close the opening (21), wherein the opening and closing unit (3) rotates toward the hook body (2) by moving downward in the lower part of the hook body (2) so that the opening (21) is opened; an opening and closing control unit (4) formed in the lower part of the opening and closing unit (3) and the hook body (2) to control opening and closing action of the opening and closing unit (3); and a safety locking unit (5) connected by a support hinge (51) in order for an upper end to freely rotate at the middle of the upper part and the lower part to the outside, wherein one side of the lower part in the safety locking unit (5) is formed to be elastically supported outwards by a coil spring (52) in the lower part of the hook body (2). The other side of the lower part of the safety locking unit (5) is linked to the opening and closing control unit (4) so that the opening and closing unit (3) is not freely opened. Therefore, the connection hook for industrial safety does not one-dimensionally rotate the opening and closing unit (3) opening and closing the opening (21) of the hook body (2) but largely changes an opening and closing structure to rotate the opening and closing unit (3) to be in contact with the inner side of the hook body (2) while two-dimensionally lowering the opening and closing unit (3) downwards. So, the connection hook for industrial safety can provide multiple effects such as rapidly reducing manufacturing costs by having the compact size and light weight.

Description

Industrial safety locking snap hook

The present invention relates to a connection ring for industrial safety, which will be described in more detail when the user is used to secure a safety swing or seat belt worn by a user performing work in various industrial sites, such as a scaffold or a specific fixing member, to be fixed. The present invention relates to a connection ring for industrial safety that prevents falling and improves safety.

In order to prevent the user's fall from the construction site, various industrial sites such as shipyards, report sites such as rock or ice climbing, buildings that clean and repair the exterior, or high-rise fire suppression sites, The other fastening part of the safety connecting ring which is connected to the safety swing, seat belt or safety vest to be worn by the rope connection hole on one side is coupled to the scaffolding pipe or a specific fixing member fixedly fixed to the seat and is connected to the safety swing or safety belt. The situation is to prevent the fall of the user wearing a back.

Conventional industrial safety rings are conventional safety rings (= hook) as published in Republic of Korea Utility Model No. 423197 (announced on August 3, 2006) or Patent Publication No. 6777 (published on January 21, 2011), respectively. ) Has the basic structure that a cover or opening bar is automatically installed to block the inlet opening while the scaffolding pipe is inserted into the hook or hook part. It rotates from the hinge pin to open and close the opening of the hook or the hook.Then, it is introduced into the hook or the hook to insert the scaffolding pipe into the hook or the hook. If the cover or the opening and closing bar is automatically returned to the hook or the tip of the hook part after being introduced, the pipe is hooked. Since the hook or hook should be relatively long and large because it should be deeply inserted into the inner part of the hook or hook, such a conventional safety hook is large and heavy. As it grows larger, there was a limit to transporting a large amount at one time, and it had to be transported several times, thereby having a problem of rising logistics costs.

Accordingly, as disclosed in Republic of Korea Patent Publication No. 665864 (published on June 25, 2007), the stopping lever for opening and closing the opening of the ring body is divided into a first stopping lever and a second stopping lever. The first stopping lever is configured to be guided and slides in the second stopping lever which is connected to the lower end of the main body by means of a shaft pin. In addition to the problem that the lever does not slide smoothly in the second stopper lever, the size and weight of the safety ring are greatly reduced by the slide unfold, and the first stopper lever slides the stopper lever. And the second stopping lever is divided into two parts, and durability is still weak.

KR 20-0423197 Y1 Aug 3, 2006 KR 10-2011-0006777 A January 21, 2011. KR 10-2007-0065864 A 2007. 25.

The present invention has been made to solve the above problems of the prior art as a new technology, the present invention by changing the locking structure of the industrial safety connecting ring to solve the problems of the size and weight and durability weakness of the conventional safety loop The present invention has been completed with the problem to be solved by the present invention in order to provide an industrial safety connection to improve the light and durability in a compact size.

In addition, in the locking structure of the present invention, by opening and closing the opening and closing operation opening for opening and closing the opening of the ring body in a downward rotation, and closed in an upward rotation, opening and closing when the ring body is hooked to or separated from a large member such as a scaffold pipe Even though the operation port is rotated downward, the opening and closing operation mechanism is not caught on the locking member even if it is not made as large as a hook, hook part, and the ring body of the conventional safety ring, and the hook is connected to the locking member even when the opening of the ring body is compact to open and close the opening. And it can be added as a problem to ease the separation to improve the ease of use and operation reliability.

In addition, the present invention can be added to the problem that the production is easy to make the pin coupling by pressing the parts other than the pin and the spring, such as the ring body and opening and closing operation mechanism as needed.

In addition, although not separately described, other objects within the scope that can be inferred in view of the following detailed description, claims and drawings for describing the industrial safety connection of the present invention in detail. It is included in the overall challenge.

In the present invention as a specific means for solving the above problems of the invention constitute a safety hook, the industrial safety hook of the present invention is provided with a hook-shaped ring body with an opening formed on one side, the ring body It is installed so as to be positioned across the top and bottom of the opening is configured to open and close, the opening and closing operation opening is configured to be rotated toward the ring body to open the opening while moving downward from the bottom of the ring body, the lower portion of the ring body and the opening and closing operation opening The opening and closing control means configured to control the opening and closing action of the opening and closing operation is provided, the upper end is coupled to the support hinge so as to rotate freely outward from the upper and lower middle of the ring body, one side of the lower by the coil spring on the lower portion of the ring body It is configured to be elastically supported outward, and the opposite side of the lower part is connected to the opening and closing control means to open and close the operation. It is characterized in that the sphere is provided with a safety lock made of freely open.

The present invention has a hook-shaped ring body having an opening formed at one side, and is installed so as to be positioned across the top and bottom of the ring body so that the opening is opened and closed, the sliding hinge is sliding in the arc-shaped sliding long hole formed up and down at the bottom It is configured to penetrate through the ring body to move downwards from the lower portion of the ring body to be rotated toward the ring body to open the opening, a stopping groove formed in the opening to the ring body in the lower opening and closing openings, and the ring body lower Opening and closing control means consisting of a stopper pin is installed to correspond to the topping groove and stops the opening and closing action of the opening and closing operation mechanism when the opening and closing stops in the stopping groove, and the support hinge so that the upper end is freely rotated outward from the upper and lower middle of the ring body Combination is configured, one side of the lower elasticity outward by the coil spring in the lower portion of the ring body While being supported to be supported, one side of the lower side is coupled to the safety lock which is freely installed on the sliding hinge of the lower opening and closing operation mechanism, and one end is configured to be supported by the support hinge so as to freely rotate toward the opening in the upper and lower middle of the ring body, the opposite end is The connecting support is composed of a variable hinge so as to rotate freely in the middle of the opening and closing operation opening, and both ends are elastically supported at the opening and closing operation opening and the connecting support around the variable hinge, and the opening and closing operation opening and the connecting support are connected by the elastic restoring force. It may be characterized in that the upper torsion spring made to block the opening of the body.

The present invention has a hook-shaped ring body having an opening formed at one side, and is installed so as to be positioned across the top and bottom of the ring body so that the opening is opened and closed, the opening is rotated toward the ring body while moving downward from the bottom of the ring body The opening and closing operation opening and the lower end is configured to be coupled to the drive hinge so as to rotate freely in the lower portion of the ring body, the upper end is configured to be coupled to the rotation hinge so as to freely rotate in the lower portion of the opening and closing operation opening, the opening and closing control formed by the pressing projection to the front Means and the upper end is configured to be coupled to the support hinge so as to freely rotate outward in the upper and lower middle of the ring body, while one side of the lower portion is installed to be elastically supported outward by the coil spring on the lower portion of the ring body, the opposite side of the lower driving hinge Safety lock configured to be in contact with the outside of the, one end toward the opening in the upper and lower middle of the ring body It is configured to be coupled to the support hinge to be freely rotated, the opposite end is connected to the coupling support consisting of a variable hinge so that the free rotation in the middle of the top and bottom of the opening and closing operation, and installed on both ends of the opening and closing operation and the connecting support around the variable hinge, respectively The resilient restoring force is provided so that both ends are elastically supported by the resilient restoring force and the driving hinge, respectively, with the opening and closing hinges connected to the upper torsion spring or the rotating hinge. Opening and closing the opening and closing operation opening may be characterized in that the opening and closing operation opening and the connecting support is made of a lower torsion spring made to block the opening of the ring body.

The present invention has a hook-shaped ring body having an opening formed on one side, and is installed so as to be positioned across the top and bottom of the ring body, the opening is opened and closed, the expansion and contraction operation of the upper and lower rotational operation piece by a variable hinge It is divided and configured to be connected, the expansion and contraction hole is formed up and down at the bottom of the telescopic working piece is configured so that the variable hinge penetrated fixed to the upper portion of the rotary working piece to slide when the telescopic working piece is stretched, at the top of the rotary working piece and the bottom of the telescopic working piece The tension spring is coupled to the upper and lower ends so that the elastic operation piece is extended so that the tension spring is moved downward from the lower part of the ring body and rotated toward the ring body so that the opening is opened, and the lower part is freely rotated at the lower part of the ring body. Composed of a drive hinge, the upper end is freely rotated in the lower portion of the rotary operation piece Composed of a rotating hinge, the opening and closing control means protruding the pressing projection toward the front, and the upper end is composed of a coupling hinge so as to rotate freely outward from the upper and lower middle of the ring body, one side of the lower coil spring in the lower portion of the ring body While being installed to be elastically supported outwardly, one side of the lower side is coupled to the safety lock configured to be in contact with the outside of the driving hinge, and one end is configured to be coupled to the support hinge to freely rotate toward the opening in the upper and lower middle of the ring body, one end of the opposite side is opened and closed It is configured to be freely rotated by a variable hinge penetrated and fixed to the upper part of the rotating operating piece of the operating tool, and the connecting support formed with a curved rotating hole so that the variable hinge is moved to the rotating slide when rotating downwardly around the supporting hinge, and the rotating hinge is centered. Both ends of the rotating operation piece and the driving hinge of the opening and closing The rotating hinge is rotated upward by the elastic restoring force, it may be characterized in that the lower torsion spring made to unfold the rotating operating piece of the opening and closing operation mechanism.

The present invention has a hook-shaped ring body having an opening formed at one side, and is installed so as to be positioned across the top and bottom of the ring body so that the opening is opened and closed, the opening is rotated toward the ring body while moving downward from the bottom of the ring body The opening and closing operation opening and the lower end is configured to be coupled to the drive hinge so as to rotate freely in the lower portion of the ring body, the upper end is configured to be coupled to the rotation hinge so as to freely rotate in the lower portion of the opening and closing operation opening, the opening and closing control formed by the pressing projection to the front Means and the upper end is configured to be coupled to the support hinge so as to freely rotate outward in the upper and lower middle of the ring body, while one side of the lower portion is installed to be elastically supported outward by the coil spring on the lower portion of the ring body, the opposite side of the lower driving hinge Safety lock configured to be in contact with the outside of the upper end of the opening and closing operation opening to one side free It is composed of a coupling hinge so that the support hinge formed in the upper and lower middle of the ring body toward the rear side is slidably coupled to the arc-shaped slide hole formed from the rear of the connecting hinge to the rear end to ride the support hinge during opening and closing operation of the opening and closing operation mechanism A variable connector configured to slide-transfer to an arc shape, and both ends are supported elastically on the opening and closing actuator and the driving hinge around the pivoting hinge. It may be characterized in that the lower torsion spring made to block the opening of the ring body.

In addition, both ends of the sliding hinges and the ring body may be elastically supported at the center of the sliding hinge, respectively, so that the auxiliary torsion springs configured to be unfolded while being rotated by the elastic restoring force may be further provided.

In addition, when the opening of the ring body is opened by the opening / closing opening in the lower front of the safety lock, the hinge hinge groove which is formed to be bent outwardly or bent backward so that the variable hinge coupling the opening and closing opening and the connecting support is inserted in the rear. It is provided, the upper and lower safety locks are respectively provided with a gap retaining piece protruded inwardly so as to protrude inwardly so that the safety lock is not shaken from the outside of the ring body, and the inner side of the safety lock on the outside through the support hinge of the connection support It may be so close that the safety lock is provided with a spacer frame protruding outward so as not to shake from the outside of the connection support.

In addition, the lower side of the opening and closing opening is protruded to the side, when the opening is blocked by the opening and closing opening and closing the operating mechanism is lowered to the lower front of the safety lock, the rotation hinge starting from the drive hinge toward the safety lock is no longer A safety stopper configured to block rotation is provided or protruded laterally under the opening / closing control means, and when the opening is blocked by the opening / closing opening, the safety locking device is elastically supported outward by the coil spring. It is possible to be provided with a movable stopper configured to block the rotating hinge is rotated forward and downward from the driving hinge starting from the lower rear of the safety lock.

According to the specific means for solving the above problems, the industrial safety connecting ring of the present invention is not only to rotate the opening and closing operation opening and closing the opening of the ring body in one dimension, but to lower down two-dimensionally Rotating to contact the inner side of the ring body to significantly reduce the size of the ring body by greatly changing the opening and closing structure so that the top of the opening and closing operation opening lowers considerably to the lower opening, thereby rapidly reducing the manufacturing cost with a compact size and light weight In addition to the reduction effect, the volume and weight of the product from the packaging to significantly reduced, so that it can be transported in large quantities at a time to have a significant effect on the logistics cost.

Connecting ring of the present invention, even if manufactured in a compact size as described above, the opening and closing operation opening, opening and closing control means, the connecting support and the variable connector and the safety lock is installed to be pivotally connected to the ring body made of thick iron plate bending steel plate It is made to be made so that the durability is superior, and each component is made to act immediately and smoothly as a pin coupling and spring latching structure to increase the operation reliability and ease of use has the effect of maximizing the response of the product.

The present invention is a simple invention, the assembly structure of the components as described above is easy to assemble and manufacturability, further reducing the manufacturing cost and can be widely supplied products cheaply, the expected effect is a great invention.

1 is a three-dimensional view showing a first example of the present invention
2 is a cross-sectional view showing a first example of the present invention.
Figure 3 is a bottom perspective view showing a state in which the anti-twist means coupled to the lower ring body in the first example of the present invention
4 is an exemplary view showing a state in which the ring body is made of an aluminum alloy in the first example of the present invention.
5 is a three-dimensional view showing a second example of the present invention
6 is a cross-sectional view showing a second example of the present invention.
7 is a three-dimensional view showing a third example of the present invention
8 is a cross-sectional view showing a third example of the present invention.
9 is a three-dimensional view showing a fourth example of the present invention
10 is a cross-sectional view showing a fourth example of the present invention.
11 is an exemplary view showing the opening and closing action of the opening according to the first embodiment of the present invention.
Figure 12 is an exemplary view showing the opening and closing action of the opening according to a second example of the present invention
Figure 13 is an illustration showing the opening and closing action of the opening according to a third example of the present invention
14 is an exemplary view showing the opening and closing action of the opening according to the fourth embodiment of the present invention.

The present invention is used to secure the safety swing or seat belt worn by the user performing work at various locations such as industrial scaffolding pipes to various fixing members such as scaffolding pipes to prevent the user from falling and improving safety. The purpose of the present invention is to provide an industrial safety connecting ring that can improve durability even in a compact size and light weight, which will be described in more detail below with reference to the accompanying drawings. The description is not limited to the examples only for easily explaining the content and scope of the terms used, but the terms used are only for describing the embodiments in detail and should not be construed as being limited to the terms.

The industrial safety connecting ring 1 of the present invention shows the stereoscopic view and the fourth example of FIG. 7 showing the stereoscopic view and the third example of FIG. As shown in the three-dimensional view of FIG. 9, the opening / closing operation mechanism 3 for opening and closing the opening 21 in the hook-shaped ring body 2 opened to one side is downwardly moved by the opening / closing control means 4. It is installed to be rotated while being moved to control the opening and closing operation. At this time, the safety lock (5) is connected to the opening and closing operation opening (3) and the opening and closing control means (4) to open and close the opening and closing operation opening (3) freely. It is configured to not be made.

The present invention will be described in detail according to the above embodiments.

As a first example of the present invention when installing the opening and closing operation mechanism (3) and the opening and closing control means (4) and the safety lock (5) in the hook-shaped ring body (2) as shown in Figures 1 to 3 As the connection support 6 and the upper torsion spring 7 are further installed, the configuration of each part will be described in more detail as follows.

The ring body (2) is formed in the form of a hook so that the opening 21 is formed on one side by shearing forming the iron plate, the locking groove 22 is formed on the top of the opening and closing operation opening (3) is formed A coupling hole 23 through which the end of the connection rope 231 connected to the safety swing or the seat belt is fastened is formed at the bottom.

Along with this, as shown in FIG. 3, the anti-twist means 24 for preventing the twisting of the rope between the coupling hole 23 and the connection rope 231 of the ring body 2 may be configured to be provided. Preventing means 24 is a ring connecting piece (25) through the ring-shaped connecting piece 25 of the "C" shaped upward opening so that the lower end of the ring body (2), and the ring body (2) 25, a ring connecting pin 26 fixed at both ends, a "c" shaped rope connecting piece 27 opened downwardly so that the end of the connecting rope 231 is inserted, and fixed to an end of the connecting rope 231. Rope connecting pin 28 penetrated through the formed round ring and fixed at both ends to the rope connecting piece 27, and is vertically coupled to the upper ring connecting piece 25 and the lower rope connecting piece 27 through the ring connecting piece 25 ) And the rope connecting piece 27 is composed of a rotary connecting rivet 29 configured to rotate freely at a predetermined interval.

If necessary, as shown in FIG. 1, a thin iron sheet may be formed without casting the aluminum sheet to reduce weight while forming a thick sheet as shown in FIG. 4.

The opening and closing operation opening (3) is installed so that the inlet pin 221 fixed to the upper end while being located across the top and bottom of the ring body (2) to be indented in the engaging groove 22 of the ring body (2) (21) is configured to open and close, the sliding hinge 31 is configured to slide through and sliding in the arc-shaped sliding long hole 32 formed up and down in the lower portion, the opening and closing operation opening (3) is the ring body (2) The opening 21 is rotated toward the ring body 2 while moving downward from the bottom of the opening 21. The opening and closing operation opening 3 is formed by bending and bending the metal plate so as to be connected to the connecting piece CP. It is made of a pair of panels (P), if necessary, may be made of one thick panel (P) rather than a pair without a connecting piece (CP).

In the first example, the opening and closing control means (4) is a stopping groove (41) formed inwardly to open toward the ring body (2) in the lower opening and closing operation opening (3), and a stopping groove (41) in the lower ring body (2) ) Is installed corresponding to the stopper pin 42 is configured to stop the opening and closing action of the opening and closing operating mechanism (3) when the inlet catch in the stopper groove 41, the stopping pin 42 is the ring body (2) It may be integrally formed to be inserted into a hole penetrating left and right in the lower front, to be fixedly coupled, or to protrude to both sides of the lower front of the ring body 2.

The safety lock (5) is configured to be coupled to the support hinge 51 so that the upper end is freely rotated outward in the upper and lower middle of the ring body (2), one side of the lower coil spring (52) in the lower portion of the ring body (2) While being elastically supported outwardly by), one side of the lower side is installed to be freely rotated on the sliding hinge 31 under the opening / closing operation port 3.

The lower front of the safety lock (5) is variable to couple the opening and closing operation opening (3) and the connecting support (6) when the opening 21 of the ring body (2) is opened by the opening and closing operation opening (3) The hinge 61 is bent outwardly so that the hinge 61 is inserted rearward or the rearward hinged groove 53 is formed, or the upper and lower portions of the safety lock 5 are respectively close to the inner ring body 2 to secure the lock. Sphere 5 may be formed so as to form a space maintaining piece 54 protruding inward so that the sphere 5 is not shaken from the outside of the ring body (2).

1 to 2 showing a first example of the present invention, while one end is coupled to the support hinge 51 to be freely rotated toward the opening 21 in the upper and lower middle of the ring body 2, the opposite end is opened and closed A connecting support 6 configured by a variable hinge 61 by riveting is provided in the upper and lower middle portions of the operating tool 3, and an outer side through which the supporting hinge 51 of the connecting support 6 passes. In the inner side of the safety lock (5) in close proximity to the inner side of the safety lock (5) is formed so as to protrude outwardly so that the spacer frame (62).

As shown in FIG. 2, the safety lock 5 and the connection support 6, such as the opening and closing operation opening 3, are made of a single thick panel P or are preferably a relatively thin pair connected to the connection piece CP. It may also be made of a panel (P).

In addition, both ends of the variable hinge 61 and the opening and closing operation mechanism 3 and the connecting support 6 are respectively installed to be elastically supported so that the opening and closing operation tool 3 and the connecting support 6 are elastically resilient. The upper torsion spring 7 is further provided to block the opening 21 of the ring body 2, and the upper torsion spring 7 is opened and closed at one end about the variable hinge 61. It is elastically supported inside the connecting piece (CP) of, the opposite end is installed to be elastically latched supported on the connecting piece (CP) of the connecting support (6).

As a second example of the present invention when installing the opening and closing operation mechanism (3) and the opening and closing control means (4) and the safety lock (5) in the hook-shaped ring body (2) as shown in Figures 5 to 6 As the connecting support 6 and the upper torsion spring 7 or the lower torsion spring 8 are further installed, the configuration of each part will be described in more detail as follows.

The ring body (2) is formed in the form of a hook so that the opening 21 is formed on one side by shearing forming the iron plate, the locking groove 22 is formed on the top of the opening and closing operation opening (3) is formed The lower end is formed through the coupling hole 23 is fastened to the end of the connection rope 231 connected to the safety swing or seat belt, etc., this also can be produced as a cast without shearing the steel plate, if necessary, twist prevention means It is also possible to connect the ring body 2 and the connecting rope 231 using the (40).

The opening and closing operation opening (3) is positioned so as to cross the upper and lower ends of the ring body (2) is installed so that the inlet pin 221 fixed to the upper end in the engaging groove 22 of the fixed body is opened 21 It is configured to open and close, and the opening and closing operation opening (3) is made of a pair of panels (P) which are connected to the connecting piece (CP) by bending after bending the metal plate after forming, the connecting piece (CP) if necessary Without a pair may be made of one thick panel (P).

The opening and closing control means (4) is the most important component to reduce the compact size in the problem of the present invention, the lower end of the opening and closing control means (4) by the riveting to be freely rotated under the ring body (2) Combination is composed of a drive hinge 43, the upper end of the opening and closing control means (4) is composed of a coupling hinge 44 by the riveting to be freely rotated to the lower portion of the opening and closing operating port (3), opening and closing control means (4) At the front of the) is a pressing projection 45 is formed to protrude forward than the opening and closing operation port (3) to press down.

The safety lock 5 is composed of a support hinge 51 by the riveting so that the upper end is freely rotated outward from the upper and lower middle of the ring body (2), the lower side of the safety lock (5) is the ring body While being installed outwardly elastically supported by the coil spring 52 at the bottom of (2), one side of the lower opposite side of the safety lock (5) is configured to contact the outside of the drive hinge 43 described above.

1 to 2 show a preferred example of the present invention, one end is coupled to the support hinge 51 to be freely rotated toward the opening 21 in the upper and lower middle of the ring body 2, the opposite end is opened and closed operation A connecting support 6 composed of a variable hinge 61 by riveting to freely rotate in the upper and lower middle of the sphere 3 is provided, and the opening and closing control means 4 and the safety as the opening and closing operation opening 3 are provided. The locking device 5 and the connecting support 6 may consist of a single thick panel P or, preferably, a pair of relatively thin panels P connected by a connecting piece CP.

At this time, in the example of the present invention, one end is elastically supported inside the connecting piece (CP) of the opening and closing operation opening (3) around the variable hinge 61, the other end is connected to the connecting piece (CP) of the connecting support (6) The upper torsion spring 7 which is elastically latched and supported is installed, and the upper torsion spring 7 is opened and closed by the opening and closing operation tool 3 and the connection support 6 by the elastic restoring force thereof. 21) automatically shut off at all times.

One side of the upper torsion spring 7 also opens and closes about the variable hinge 61 as described above between one side panel P of the opening and closing operation tool 3 and one side panel P of the connecting support 6. Both ends of the sphere 3 and the connecting support 6 are implemented to be elastically supported, and also between the panel P on the opposite side of the opening / closing operation tool 3 opposite to the panel P on the opposite side of the connecting support 6. A pair of upper torsion springs 7 on both sides are connected to each other by a connecting rod CR such that both ends of the opening and closing operation tool 3 and the connecting support 6 are elastically supported, as shown in FIG. It can be configured to work smoothly.

Instead of the upper torsion spring (7), the lower torsion spring (8) having both ends elastically supported on the opening and closing operation mechanism (3) and the driving hinge (43) around the rotating hinge 44 is installed, such a lower torsion spring ( 8) the opening hinge (3) is opened by the rotational hinge 44 is rotated upward by its elastic restoring force, the opening and closing operation opening (3) and the connecting support (6) is the opening (21) of the ring body (2) ) Is made to shut off automatically, and the upper torsion spring 7 and the lower torsion spring 8 may be installed at the same time.

As a third example of the present invention when installing the opening and closing operation mechanism 3, the opening and closing control means (4) and the safety lock (5) in the hook-shaped ring body (2) as shown in Figure 7 to 8 The lower torsion spring 8 is installed instead of the upper torsion spring 7 while varying the opening / closing operation tool 3, and the configuration of each part will be described in more detail as follows.

The third example of the present invention is the same as the ring body (2) and the opening and closing control means 4 and the safety lock (5) of the second embodiment of the present invention, the opening and closing operation opening (3) is divided into the connection The upper torsion spring (7) is replaced by the lower torsion spring (8) as the support structure (6) and the connection structure are changed, and the partition member and the opening and closing control means (4) and the safety lock of the opening and closing operation mechanism (3). (5) and the connecting support 6 may be made of a single panel (P) thick or a pair of panels (P) bent in a thin metal plate to be connected to the connecting piece (CP) can also be said to be the same.

In the third example, the opening and closing operation opening (3) is positioned across the top and bottom of the ring body (2) so that the opening 21 is opened and closed, the stretching operation piece 33 of the upper and the rotating operation piece of the lower Is divided into (34) is configured by the variable hinge 61, the variable hinge 61 is fixed through the upper portion of the rotary operation piece 34 is stretched in the longitudinal direction formed in the lower portion of the stretch operation piece 33 When coupled to the long hole (35) when the elastic operation piece 33 is stretched in the rotation operation piece 34, the variable hinge 61 is configured to slide along the expansion long hole 35 as shown in Figure 13, wherein the rotation Tension springs 36 fixed to the upper end of the operating piece 34 and the lower end of the elastic operation piece 33 are provided, and both ends of the tension spring 36 are the upper end and the expansion operation piece of the rotation operation piece 34. Rotating operation piece 34 is fixed by the engaging hole formed through the fixing piece 37 bent inward to the lower end of the (33), respectively Standing elastic operating part 33 is made to be the kidney.

In the third embodiment of the present invention, the opening and closing control means 4 is coupled to the rotation hinge 44 so as to freely rotate below the rotation operation piece 34 of the opening and closing operation mechanism 3, one end of the ring body (2) One end of the opposite side of the connecting support 6, which is coupled to the support hinge 51 so as to be freely rotated toward the opening 21 in the upper and lower middle portions thereof, is fixed through the upper part of the rotation operation piece 34 of the opening and closing operation tool 3. It is configured to be freely rotated by the variable hinge 61, wherein the connecting support 6 to which the variable hinge 61 is coupled is variable when the connecting support 6 is rotated about the support hinge 51 downward A rotating pivot hole 63 curved in an arc shape is formed such that the hinge 61 is pivotally moved.

As described above, in the third example of the present invention, both ends are elastically supported on the pivoting operation piece 34 and the driving hinge 43 of the opening and closing actuating mechanism 3 around the pivoting hinge 44 instead of the upper torsion spring 7. The lower torsion spring 8 is installed so that the rotation hinge 44 of the opening and closing operation tool 3 is unfolded while the rotation hinge 44 is rotated upward by the elastic restoring force.

As a fourth example of the present invention when installing the opening and closing operating mechanism (3) and the opening and closing control means (4) and the safety lock (5) in the hook-shaped ring body (2) as shown in Figure 9 to 10 As the variable connector 9 and the lower torsion spring 8 are further installed, the configuration of each part will be described in more detail as follows.

The fourth example of the present invention is the same as the second example of the present invention and the ring body (2) and the opening and closing control means 4 and the safety lock (5), a part of the opening and closing operation opening (3) is changed While the connection support (6) and the upper torsion spring (7) to replace the variable connector (9) and the lower torsion spring (8), the opening and closing operation mechanism (3) and the opening and closing control means (4) and the safety lock The sphere 5 and the variable connector 9 may be made of a single panel P or a pair of panels P bent in a thin metal plate to be connected to the connecting piece CP.

In the fourth example, the opening and closing operation mechanism 3 is installed to be positioned across the top and bottom of the ring body 2 is rotated so that the opening and closing control means 4 is freely rotated in the configuration and the opening 21 is opened and closed. The hinge 44 is configured to be the same, but the upper end of the opening and closing operating mechanism (3) to one side in front of the variable connector 9 in Figs. 9 and 10 to replace the connecting support 6 of Figs. It is to have a different structure in the part constituted by the connecting hinge 91 by riveting so as to freely rotate.

The variable connector 9 is configured to be coupled to the hinge 91 so that the upper end of the opening and closing operation mechanism (3) to the front one side freely rotated, the upper and lower middle of the ring body (2) to the rear one side of the variable connector (9) When the support hinge 51 formed by the riveting is slidably coupled to the arc-shaped slide hole 92 formed at the rear end of the connecting hinge 91 to open and close the opening 21 of the opening / closing operation tool 3. The support hinge 51 is made to slide-transfer along the slide slot 92, wherein the inlet pin 221 that is indented in the locking groove 22 of the ring body 2 is fixed to the tip of the variable connector 9 do.

It is formed in the upper end of the ring body (2) without the engaging groove 22, and accordingly the inlet pin 221 or fixed in the upper end of the opening and closing operation port 3 in Figures 5 and 6 or in Figures 9 and 10 It is formed without the inlet pin 221 fixed to the end of the variable connector (9) so that the upper end of the ring body (2) and the upper end of the opening or closing operation port (3) or the end of the variable connector (9) directly contact the ring body (2) It is also possible to close the opening 21 of).

At this time, in the fourth example of the present invention, one end is elastically supported inside the connecting piece CP of the opening and closing operation tool 3 around the pivoting hinge 44, and one end of the opening and closing control means 4 is the ring body ( 2) the lower torsion spring 8 is fixed to the driving hinge 43, which is coupled to be freely rotated to be freely rotated and elastically supported, and the lower torsion spring 8 is pivoted by its elastic restoring force. As the 44 is pivoted upward with respect to the driving hinge 43, the opening and closing operation tool 3 and the variable connector 9 are always made to automatically block the opening 21 of the ring body (2).

The lower torsion spring 8 is also opened and closed about one side of the panel P of the opening and closing operation tool 3 and the one side panel P of the opening and closing control means 4 as described above. Both ends of the sphere 3 and the driving hinge 43 are elastically supported, and between the panel P on the opposite side of the opening / closing operation tool 3 and the panel P on the opposite side of the opening / closing control means 4, respectively. A pair of lower torsion springs 8 on both sides are connected to each other by a connecting rod CR such that both ends of the opening hinge 3 and the driving hinge 43 are elastically supported. It can work smoothly.

In addition, in the second example of FIGS. 5 and 6 or the third example of FIGS. 7 and 8 or the fourth example of FIGS. 9 and 10, a safety stopper protruding to the side of the opening / closing operation tool 3 from the side surface thereof. 10 is provided and when the opening 21 is blocked by the opening and closing operation opening (3), the lower portion of the opening and closing operating opening (3) is engaged with the lower front of the safety lock (5) from the driving hinge 43 starting point The pivoting hinge 44 is configured to block further rotation toward the safety lock 5.

In addition, a movable stopper 20 protruding laterally under the opening / closing control means 4 is provided so that the opening 21 is blocked by the opening / closing opening 3 so that the safety lock 5 is coil spring 52. When the outward elastic support is supported by), the lower portion of the opening / closing control means 4 is locked to the lower rear side of the safety lock 5 so that the rotational hinge 44 can be prevented from rotating forward and downward from the driving hinge 43. It is composed.

The industrial safety connecting ring 1 of the present invention configured as described above is connected to the safety lock 5 and the opening and closing control means 4 in the ring body 2 as shown in FIGS. 11 to 14. The connection support connected to the opening / closing operation mechanism 3 which is closed by the hand opening and closing the opening and closing operation mechanism 3 which is blocking the opening 21 of the ring body 2 by moving downward and moving toward the ring body 2 is connected thereto. 6) Or by sliding the variable connector (9) downward or sliding arc-shaped to the inlet and outlet of the fixing member 30 to the opening 21 of the ring body 2, the industrial safety connecting ring of the present invention (1) to be connected to or detached from the fixing member 30, the connection rope connected to the safety swing or seat belt (not normally shown separately) in the lower coupling hole 23 of the ring body (2) (231) to be combined.

According to the first example of the present invention shown in Figures 1 to 3 of the industrial safety connection ring 1 of the present invention by the elastic restoring force of the upper torsion spring 7 as usual in Figure 11 (a) Opening and closing operation opening (3) is opened on the basis of the variable hinge (61), the inlet pin (221) of the top of the opening and closing opening (3) is interlocked in the locking groove 22 of the upper end of the ring body (2) opening and closing operation opening The opening 21 is closed by the connecting support 6 and the 3,

As shown in (b) of FIG. 11, when the safety lock 5 is urged from the rear to the front, the lower portion of the safety lock 5, which is elastically supported by the coil spring 52, is supported by the lower side of the hinge 51. While rotating upward, the lower front of the safety lock (5) is pushed forward by sliding the sliding hinge 31 coupled to the sliding hole 32 in the lower opening and closing operation opening (3) to open and close the variable hinge (61) from the starting point Push the lower end of the operating port (3) to the front, at this time the stopper groove (41) formed in the lower rear of the opening and closing operation opening (3) is separated from the stopper pin 42 formed in the lower front of the ring body (2),

In this case, as shown in (c) of FIG. 11, when the opening / closing operation mechanism 3 is moved downward, the stopper pin 42 embedded in the stopping groove 41 is separated, and the opening and closing operation mechanism 3 is a stopping pin ( 42, the connecting support 6 is rotated downward with respect to the support hinge 51 while being moved to the lower side without being caught, and the opening and closing operation tool 3 rotates with the downward movement toward the ring body 2,

As a result, as shown in (d) of FIG. 11, the lower portion of the ring body 2 has a safety lock (5) in the rear, and the connecting support (6) and the opening and closing operation opening (3) in front is folded (摺)綴) When the opening 21 is opened, the scaffolding pipe or the fixing rope, which is the fixing member 30, is allowed to be inserted therein, and then the front opening / closing operation tool 3 and the safety locking device 5 are released. The opening and closing operating mechanism 3 and the connecting support 6 are extended to the front and the upper side by the upper torsion spring 7 installed on the 61, and the safety lock 5 is also rearward by the coil spring 52. Unfolded and restored to its original state as shown in FIG. 11A, the opening 21 of the ring body 2 is closed again by the opening / closing operation tool 3 and the connecting support 6.

At this time, even if the external force acts from the front to the rear opening and closing operation opening (3), the upper portion of the opening and closing operation opening (3) is supported by the insertion pin 221 is inserted into the hook groove (2) of the upper end of the ring body (2). , The middle part is supported by the ring body 2 by the connecting support 6, the lower part is supported by the stopping pin 42 of the lower end of the ring body 2 in the stopper groove 41, the durability is remarkably high. If the safety locking portion 5 is not pushed forward, the stopper pin 42 is caught in the sputtering groove 41 so that the opening / closing operation port 3 does not move downward, so the opening 21 is not opened arbitrarily. The safety can be significantly increased.

According to the second example of the present invention shown in FIGS. 5 and 6 of the industrial safety connecting ring (1) of the present invention by the elastic restoring force of the upper torsion spring (7) as usual in FIG. Opening and closing operation opening (3) is opened on the basis of the variable hinge (61), the inlet pin (221) of the top of the opening and closing opening (3) is interlocked in the locking groove 22 of the upper end of the ring body (2) opening and closing operation opening The opening 21 is closed by the connecting support 6 and the 3,

As shown in (b) of FIG. 12, when the safety lock 5 is urged from the rear to the front, the lower portion of the safety lock 5, which is elastically supported by the coil spring 52, is supported by the lower side of the hinge 51. While rotating upward, the lower front of the safety lock 5 pushes the pivoting hinge 44 (when the safety stopper 10 is not formed), or the safety protruding laterally to the lower part of the opening and closing operation tool 3. Push the stopper 10 forward to rotate the pivoting hinge 44 to the drive hinge 43 so as to protrude forward from the line segment (SL) connected between the hinge 43 and the inlet pin 221. Will be

At this time, when pressing the pressing projection 45 of the rotary movable opening 4 downward as shown in (c) of Figure 12, the rotating hinge 44 is rotated downward from the driving hinge 43 starting and closing operation opening (3) Is pulled downward, and the lower portion of the opening and closing operating mechanism (3) is coupled to the rotating hinge 44, the variable hinge 61 at the top of the opening and closing operating opening (3) is rotated downwardly at the end of the connecting support (6) The connection support 6 is rotated downward from the support hinge 51 while moving downward in the 63,

As a result, as shown in (d) of FIG. 12, the safety lock 5 is rearward in the lower part of the ring body 2, and the connecting support 6 and the opening and closing operation port 3 and the opening and closing control means in the front. (4) is folded and the opening 21 is opened, the scaffolding pipe or fixing rope, etc., which is the fixing member 30 is allowed to enter, and then the front opening / closing operation tool 3 and the safety lock ( 5), the opening and closing operating mechanism (3) and the connecting support (6) by the upper torsion spring (7) installed on the variable hinge (61) or the lower torsion spring (8) installed on the pivoting hinge (44) and As the rotary movable opening 4 extends forward, the safety lock 5 is also extended backward by the coil spring 52, and restored to its original state as shown in FIG. 12A, so that the opening 21 of the ring body 2 is opened. Is closed by the opening and closing operation opening (3) and the connecting support (6) again.

At this time, even if an external force acts from the front to the rear opening and closing operation mechanism (3), the safety hinge lock coupled to the locking ring (55) that the rotating hinge 44 or the safety stopper 10 is caught on the driving hinge 43 The opening 21 is blocked by the opening 5, and the movable stopper 20 protruding from the side of the opening and closing control means 4 is secured even if an external force downward acts on the opening and closing control means 4. The locking member 30 is connected to the lower portion of the sphere 5 so that the pivoting hinge 44 stops rotation forward and downward from the driving hinge 43 so that the opening 21 is not opened. In (1), it does not go away on its own and can significantly increase safety.

According to the third example of the present invention shown in Figs. 7 and 8 of the industrial safety connecting ring (1) of the present invention by the elastic restoring force of the lower torsion spring (8) as usual in Fig. 13 (a) From the pivoting hinge 44, the pivoting operation piece 34 of the opening and closing operation opening 3 is opened so that the inlet pin 221 at the upper end of the telescopic operation piece 33 of the opening and closing operation opening 3 is the ring body 2. The opening 21 is closed by the expansion and closing operation piece 33 and the rotation operation piece 34 and the connecting support 6 of the opening / closing operation tool 3 and the internal locking of the upper locking groove 22.

As shown in (b) of FIG. 13, when the safety lock 5 is urged from the rear to the front, the lower portion of the safety lock 5, which was elastically supported by the coil spring 52, is supported by the lower side of the hinge 51. While rotating upward, the lower front of the safety lock 5 pushes the pivoting hinge 44 (when the safety stopper 10 is not formed), or the safety protruding laterally to the lower part of the opening and closing operation tool 3. Push the stopper 10 forward to rotate the pivoting hinge 44 to the drive hinge 43 so as to protrude forward from the line segment (SL) connected between the hinge 43 and the inlet pin 221. Will be

At this time, as shown in (c) of FIG. 13, when the expansion / retraction operation piece 33 slides downward from the rotation operation piece 34 while pressing the pressing projection 45 of the opening / closing control means 4 downwardly, the rotation hinge 44 Is rotated downward from the driving hinge 43 as the pulling pull the rotary operating piece 34 of the opening and closing operating mechanism (3) to the bottom, the stretching operation piece 33 in the rotary operating piece 34 is further lowered Since the opening 21 is quickly opened, the lower portion of the rotational operation piece 34 of the opening and closing operation tool 3 is coupled to the rotational hinge 44 and rotated downward, thereby expanding and contracting the operation piece 33. When the variable sliding 61 of the upper portion of the pivoting operation piece 34 is upwardly transported through the pivoting hole 63 at the tip of the connecting support 6, the connecting support 6 supports the hinge 51. Rotate down to the starting point,

Accordingly, as shown in (d) of FIG. 13, the safety lock 5 is rearward in the lower part of the loop body 2, and the connecting support 6 and the opening and closing operation port 3 and the opening and closing control means in the front. (4) is folded and the sliding operation piece 33 in the rotational operation piece 34 of the opening and closing operation opening (3) sliding downwards so that the opening 21 is opened more quickly and the rotational operation piece (34) Even if it is not in close contact with the ring body 2, the telescopic operation piece 33 slides downward to reduce the length of the opening and closing operation port 3, so that the scaffold pipe or the fixing rope, which is the fixing member 30, is easily incorporated.

Later, when the front opening and closing operation opening (3) and the rear safety lock (5) is placed, the rotating operation piece of the opening and closing operation opening (3) by the lower torsion spring (8) installed on the rotating hinge ( 34 and the connecting support 6 and the opening and closing control means 4 are extended to the front, the safety lock 5 is also extended to the rear by the coil spring 52, by the tension spring (36) 34, the telescopic working piece 33 slides upward so that the inlet pin 221 on the upper portion of the telescopic working piece 33 is inserted into the locking groove 22 of the ring body 2, and as shown in (a) of FIG. Is restored to the opening 21 of the ring body 2 is to be closed again by the expansion and closing operation piece 33 and the rotation operation piece 34 and the connecting support 6 of the opening and closing operation tool (3).

This also secures the safety lock coupled to the locking hinge portion 55 that the rotating hinge 44 or the safety stopper 10 is engaged with the driving hinge 43 even if the external force acts from the front to the rear opening and closing operation mechanism (3) The opening 21 is not blocked due to the opening 5, and the movable stopper 20 protruding from the side of the opening and closing control means 4 is safe even if an external force downward acts on the opening and closing control means 4. The locking member 5 is connected to the lower portion of the lock 5 so that the pivoting hinge 44 stops rotation forward and downward from the driving hinge 43 so that the opening 21 is not opened. Will not spontaneously escape from the ring (1) is to significantly increase the safety.

According to the fourth example of the present invention shown in FIGS. 9 and 10 of the industrial safety connecting ring 1 of the present invention, as shown in (a) of FIG. 14, the hinge is rotated by the elastic restoring force of the lower torsion spring 8. Opening and closing the operating opening (3) starting from (44), the opening pin (221) of the front of the variable connector (9) coupled by the connecting hinge 91 on the top of the opening and closing operating opening (3) is the ring body (2) The opening 21 is closed by the opening and closing operation opening 3 and the variable connector 9 inwardly locked in the locking groove 22 of the upper end,

As shown in (b) of FIG. 14, when the safety lock 5 is urged from the rear to the front, the lower portion of the safety lock 5, which is elastically supported by the coil spring 52, is supported by the lower side of the hinge 51. While rotating upward, the lower front of the safety lock (5) pushes the pivoting hinge 44, or pushes the safety stopper 10 formed in the lower portion of the opening and closing operation opening 3 forward to drive the pivoting hinge (44) The hinge 43 and the inlet pin 221 is rotated to drive the starting point 43 to protrude forward from the line segment (SL) connecting the starting point,

Here, as shown in (c) of FIG. 14, when the pressing protrusion 45 of the opening / closing control means 4 is pressed downward, the rotation hinge 44 is rotated downward from the driving hinge 43 as a starting and closing operation tool 3. ) Is pulled downward, and the lower portion of the opening and closing operating mechanism (3) is coupled to the rotation hinge (44) and downwardly down the variable connector (9) coupled with the opening and closing operation opening (3) upper portion is connected to the connecting hinge (91). The rear side is pulled backward, whereby the variable connector 9 is slid rearward upward so that the support hinge 51 penetrated at the rear end of the arc-shaped slide slot 92 is slid to the front end of the slide slot 92.

As a result, as shown in (d) of FIG. 14, the lower part of the ring body 2 has a safety lock 5 at the rear, and a front end and an opening / closing operation port 3 of the variable connector 9 at the front, and opening / closing control. The opening 4 of the ring body 2 is folded and the opening 21 is opened, and the rear end of the variable connector 9 slides on the upper portion of the ring body 2 to protrude toward the opening 21. By pushing forward the scaffolding pipe, which is the fixing member 30 incorporated through 21, to allow the pipe to be separated smoothly through the opening 21, it has the effect of improving the operation reliability and the convenience of use.

This also releases the hand holding the opening and closing operating mechanism (3) and the safety lock (5) in Figure 14 (D), by the lower torsion spring (8) installed on the pivoting hinge (44) opening and closing operation opening (3) ) And the variable connector (9) and the opening and closing control means (4) is extended to the front, the safety lock (5) is also extended to the rear by the coil spring (52) to restore the original state as shown in Fig. 14 (a) The opening 21 of the main body 2 is closed by the opening and closing operation tool 3 and the variable connector 9 again.

Here too, even if the external force is applied to the opening and closing operation opening (3) from the front and rear rotation hinge 44 or the safety stopper 10 is coupled to the locking hook 55 which is locked to the driving hinge 43 is fixed and secured The opening 21 is not blocked due to the opening 5, and the movable stopper 20 protruding from the side of the opening and closing control means 4 is safe even if an external force downward acts on the opening and closing control means 4. The locking member 5 is connected to the lower portion of the lock 5 so that the pivoting hinge 44 stops rotation forward and downward from the driving hinge 43 so that the opening 21 is not opened. Will not spontaneously escape from the ring (1) is to significantly increase the safety.

11 (d), 12 (d), 13 (d), and 14 (d), the opening and closing operation opening 3 and the safety lock opening in the lower part of the ring body 2 5), the connecting support 6 and the variable connector 9, the opening and closing control means (4), the pivoting hinge 44, the variable hinge 61, the connecting hinge 91 and the like entered into the corresponding position when folded By varying the shape, such as the hinge indentation groove 53 to be folded as close as possible to the ring body (2) to reduce the size to the maximum, and to reduce the size to the maximum, several slides in front of the opening and closing operation opening (3) Forming a projection (38) to facilitate the opening and closing of the opening and closing operation opening (3) after the release by the safety lock (5) to facilitate the opening is made smoothly, at a predetermined interval behind the safety lock (5) Forming the protruding gripping protrusions 56 so that between the thumb and the index finger of the user with a large hand in contact with the gripping protrusions 56, the safety lock (5) quickly and easily Grip to be pushed forward, but in the case of a user with a small hand so that the thumb and forefinger in contact with the portion other than the gripping protrusion 56 to hold the safety lock (5) to fit the size of the user's hand. It is to have the effect that the gripping (1) to hold.

According to this, the first to fourth examples, by pressing the safety lock (5) to release the primary lock by the opening and closing control means (4) and then open and close the opening and closing operation opening (3) by opening and closing the operating opening (3) and the connecting support (6) or the variable connector (9) is folded down to the ring body (2) by opening the opening 21 in the ring body (2) is made from the lower than the conventional safety ring Since the body 2 can be greatly reduced in size, it can supply a compact sized product, while being light and durable, thereby providing an effect of improving the response of the product and reducing the manufacturing cost.

As described above in the detailed description of the present invention has been described with respect to the most preferred embodiment of the present invention, various modifications may be made within the scope not departing from the technical scope of the present invention, the protection scope of the present invention is therefore Not limited to the examples, the scope of protection from the description of the claims and the equivalent technical means to those described below will be recognized.

1: link
Reference Signs List 2: ring body 21: opening 22: locking groove 221: inlet pin 23: coupling hole 231: connecting rope 24: twist prevention means 25: ring connecting piece 26: ring connecting pin 27: rope connecting piece 28: rope connecting pin 29: rotary connection Rivet
DESCRIPTION OF SYMBOLS 3 Opening / closing opening 31: Sliding hinge 32: Sliding long 33: Telescopic working piece 34: Rotating working piece 35: Telescopic working length 36: Tension spring 37: Fixed piece 38: Slide protrusion
DESCRIPTION OF SYMBOLS 4 Opening / closing control means 41: Stopping groove 42: Stopping pin 43: Drive hinge 44: Rotation hinge 45: Pressure projection
5: Safety fastener 51: Support hinge 52: Coil spring 53: Hinge interstitial groove 54: Spacing maintenance 55: Hook hook 56: Gripping protrusion
6: connecting support 61: variable hinge 62: spacing frame 63: rotating tool
7: Upper torsion spring
8: lower torsion spring
9: Variable connector 91: Connecting hinge 92: Slide hole
10: Safety stopper
20: movable stopper
30: fixing member
P: Panel CP: Connecting piece CR: Connecting rod SL: Line segment

Claims (9)

A ring-shaped ring body 2 having an opening 21 formed at one side thereof;
It is installed to be positioned across the top and bottom of the ring body (2) is configured to open and close the opening 21, while moving downward toward the ring body (2) while moving downward from the bottom of the ring body (2) opening 21 An opening and closing operation mechanism 3 configured to be opened;
Opening and closing control means (4) configured to control the opening and closing action of the opening and closing operation opening (3) in the lower part of the ring body (2) and the opening and closing operation opening (3);
The upper end is coupled to the support hinge 51 so as to freely rotate outward from the upper and lower middle of the ring body 2, one side of the lower portion is configured to be outwardly elastically supported by the coil spring 52 in the lower portion of the ring body (2) Being, one side of the lower side is connected to the opening and closing control means (4), the safety lock (5) made to open and close the opening and closing operation opening (3) freely;
Industrial safety connection, characterized in that it is included.
A ring-shaped ring body 2 having an opening 21 formed at one side thereof;
It is installed to be positioned across the top and bottom of the ring body (2) is configured to open and close the opening 21, the sliding hinge 31 slides through the sliding arc hole (32) of the arc-shaped sliding long formed in the upper and lower long An opening and closing operation mechanism 3 configured to rotate so as to move downward from the lower portion of the ring body 2 so as to rotate toward the ring body 2 so that the opening 21 is opened;
The stopper groove 41 is formed in the lower opening and closing operation opening (3) to be opened toward the ring body (2), and the stopper groove 41 is installed to correspond to the stopping groove 41 in the lower ring body (2) Opening and closing control means (4) consisting of a stopping pin (42) configured to stop the opening and closing action of the opening and closing operation mechanism (3) when the interlocking stop;
The upper end is coupled to the support hinge 51 to be freely rotated outward in the upper and lower middle of the ring body (2), one side of the lower portion is installed to be elastically supported outward by the coil spring 52 on the lower portion of the ring body (2) On the other hand, the opposite side of the lower safety lock (5) installed to be freely rotated on the sliding hinge 31 of the lower opening and closing operation opening (3);
One end is coupled to the support hinge 51 to be freely rotated toward the opening 21 in the upper and lower middle of the ring body 2, the variable hinge 61 so that the other end is freely rotated in the middle of the upper and lower opening and closing operation mechanism (3) A connecting support 6 configured as a coupling;
Both ends of the variable hinge 61 are installed on the opening / closing operation tool 3 and the connecting support 6 so as to be elastically supported, so that the opening and closing operation tool 3 and the connecting support 6 are connected to each other by elastic restoring force. An upper torsion spring 7 configured to block the opening 21 in (2);
Industrial safety hook, characterized in that the.
A ring-shaped ring body 2 having an opening 21 formed at one side thereof;
It is installed to be positioned across the top and bottom of the ring body (2) is configured to open and close the opening 21, while moving downward toward the ring body (2) while moving downward from the bottom of the ring body (2) opening 21 An opening and closing operation mechanism 3 configured to be opened;
The lower end is coupled to the drive hinge 43 to be freely rotated in the lower portion of the ring body (2), the upper end is coupled to the rotating hinge 44 to be freely rotated to the lower portion of the opening and closing operating mechanism (3), pressurized forward Opening and closing control means 4 in which the protrusions 45 protrude;
The upper end is coupled to the support hinge 51 to be freely rotated outward in the upper and lower middle of the ring body (2), one side of the lower portion is installed to be elastically supported outward by the coil spring 52 on the lower portion of the ring body (2) At the same time, the opposite side of the lower safety lock (5) configured to contact the outside of the drive hinge 43;
One end is coupled to the support hinge 51 to be freely rotated toward the opening 21 in the upper and lower middle of the ring body 2, the variable hinge 61 so that the other end is freely rotated in the middle of the upper and lower opening and closing operation mechanism (3) A connecting support 6 configured as a coupling;
Both ends of the variable hinge 61 are installed on the opening / closing operation tool 3 and the connecting support 6 so as to be elastically supported. An upper torsion spring 7 configured to block the opening 21 in (2); Alternatively, both ends of the opening and closing operation tool 3 and the driving hinge 43 are installed to be elastically supported with respect to the rotating hinge 44, respectively, and the opening and closing operation tool 3 is rotated while the rotating hinge 44 is rotated upward by the elastic restoring force. A lower torsion spring 8 formed to open and close the opening and closing operation tool 3 and the connecting support 6 to block the opening 21 of the ring body 2;
Industrial safety hook, characterized in that the.
A ring-shaped ring body 2 having an opening 21 formed at one side thereof;
Installed so as to be positioned across the top and bottom of the ring body (2) is configured to open and close the opening 21, the expansion and contraction operation piece 33 of the upper and the rotational operation piece 34 of the lower to the variable hinge (61). The variable hinge is configured to be connected by, and the expansion and contraction hole 35 is formed up and down in the lower portion of the expansion operation piece 33, the expansion hinge fixed to the upper part of the rotation operation piece 34 when the expansion operation of the expansion operation piece (33). (61) is configured to slide, the upper and lower ends are fixed to the upper end of the rotary operation piece 34 and the lower end of the elastic operation piece 33, respectively, the tension spring 36 is coupled to extend the expansion operation piece 33 It is configured to move downward from the lower portion of the ring body (2) is rotated toward the ring body (2) opening and closing operation opening (3) made to open the opening 21;
The lower end is coupled to the drive hinge 43 to be freely rotated in the lower portion of the ring body (2), the upper end is coupled to the pivoting hinge (44) to be freely rotated below the rotational operation piece (34) of the opening and closing operation opening (3) It is configured, the opening and closing control means 4 protruding the pressing projection 45 forward;
The upper end is coupled to the support hinge 51 to be freely rotated outward in the upper and lower middle of the ring body (2), one side of the lower portion is installed to be elastically supported outward by the coil spring 52 on the lower portion of the ring body (2) At the same time, the opposite side of the lower safety lock (5) configured to contact the outside of the drive hinge 43;
One end is coupled to the support hinge 51 so as to be freely rotated toward the opening 21 in the upper and lower middle of the ring body (2), the opposite end is fixed through the upper portion of the rotation operation piece 34 of the opening and closing operation opening (3) The coupling support 6 is configured to be freely rotated by the variable hinge (61), the curved hinge hole (63) is formed so that the variable hinge (61) is rotated and transported when the variable hinge (61) rotates downwardly around the support hinge (51). );
Both ends are installed on the rotating operating piece 34 and the driving hinge 43 of the opening and closing operation tool 3 so as to be elastically supported, respectively, so that the rotating hinge 44 is rotated upward by the elastic restoring force. A lower torsion spring 8 configured to unfold the rotational operation piece 34 of the operating tool 3;
Industrial safety hook, characterized in that the.
A ring-shaped ring body 2 having an opening 21 formed at one side thereof;
It is installed to be positioned across the top and bottom of the ring body (2) is configured to open and close the opening 21, while moving downward toward the ring body (2) while moving downward from the bottom of the ring body (2) opening 21 An opening and closing operation mechanism 3 configured to be opened;
The lower end is coupled to the drive hinge 43 to be freely rotated in the lower portion of the ring body (2), the upper end is coupled to the rotating hinge 44 to be freely rotated to the lower portion of the opening and closing operating mechanism (3), pressurized forward Opening and closing control means 4 in which the protrusions 45 protrude;
The upper end is coupled to the support hinge 51 so as to freely rotate outward from the upper and lower middle of the ring body 2, while the lower one side is installed to be elastically supported outward by the coil spring 52 on the lower portion of the ring body (2) A lower side of the safety lock 5 configured to be in contact with the outside of the driving hinge 43;
The upper and lower ends of the opening and closing operating mechanism (3) is coupled to one side to be freely rotated to one side of the front, the support hinge 51 formed in the upper and lower middle of the ring body 2 to the rear one side of the connecting hinge (91) The variable connector 9 is configured to be slidably coupled to the arc-shaped slide slot 92 formed from the rear end to slide the conveying to the arc shape by the support hinge 51 during opening and closing operation of the opening 21 of the opening and closing operation mechanism (3). ;
Both ends of the opening hinge 3 and the driving hinge 43 are respectively elastically supported around the pivoting hinge 44 so that the pivoting hinge 44 is rotated upward by the elastic restoring force to open and close the opening and closing actuator 3. A lower torsion spring 8 which is opened and closed such that the opening and closing operation tool 3 and the variable connector 9 block the opening 21 of the ring body 2;
Industrial safety hook, characterized in that the.
The method according to any one of claims 2 to 4;
Spaced between the upper and lower portions of the safety lock (5) close to the inner ring body (2) protruding inwardly so that the safety lock (5) does not shake out of the ring body (2);
Industrial safety connection characterized in that it further comprises.
The method according to any one of claims 2 to 4;
It is formed so as to protrude outward so that the safety lock 5 is not shaken from the outside of the connection support 6 close to the inner side of the safety lock 5 to the outside through which the support hinge 51 of the connection support 6 passes. A spacing frame 62;
Industrial safety connection characterized in that it further comprises.
The method according to any one of claims 3 to 5;
It is formed to protrude to the lower side of the opening and closing operation opening (3), when the opening 21 is blocked by the opening and closing operation opening (3) the lower opening and closing operation opening (3) is caught in the lower front of the safety lock (5). A safety stopper 10 configured to block rotation of the pivoting hinge 44 further toward the safety lock 5 based on the driving hinge 43;
Industrial safety connection characterized in that it further comprises.
The method according to any one of claims 3 to 5;
It is formed to protrude to the lower side of the opening and closing control means 4, the opening and closing 21 is blocked by the opening and closing operation opening (3) when the safety lock (5) is elastically supported outwardly by the coil spring (52) A movable stopper 20 configured to block the lower portion of the control means 4 from being engaged with the lower rear side of the safety lock 5 so as to prevent the pivoting hinge 44 from rotating forward and downward from the driving hinge 43;
Industrial safety connection characterized in that it further comprises.

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