CN202859951U

CN202859951U - Safety retaining ring

Info

Publication number: CN202859951U
Application number: CN 201220563631
Authority: CN
Inventors: 林郁文
Original assignee: USANG INDUSTRIAL Co Ltd
Current assignee: USANG INDUSTRIAL Co Ltd
Priority date: 2012-10-30
Filing date: 2012-10-30
Publication date: 2013-04-10
Anticipated expiration: 2022-10-30

Abstract

A safety retaining ring comprises a body, a first pivot piece, a valve, a second pivot piece, a trigger piece, a third pivot piece and a start piece. The body comprises a basic portion, a hook portion and a connecting portion. An opening is formed between the basic portion and the hook portion. The valve seals the opening in an ordinary state and comprises a valve middle wall. A penetrating groove is formed in the valve middle wall and a locked face is defined. A press portion is defined by the trigger piece and protrudes to the penetrating groove. In the ordinary state, the press portion abuts against the locked face. A start end portion is defined by the start piece. Under the condition that the press portion receives pressure and is separated from the locked face around the second pivot piece and pivots towards the basic portion, the start end portion can receive the pressure and be close to the basic portion around the third pivot piece, the start piece removes restriction to the valve, the valve can receive stress to pivot around the first pivot piece and enable the opening to be open. According to the safety retaining ring, due to operation of the press portion and the start end portion, the restriction to the valve can be removed and reliability and trustworthiness of products can be improved.

Description

Safety cramp ring

Technical field

The utility model relates to a kind of safety cramp ring, particularly relates to a kind of safety cramp ring that is applicable to the occasion of work high above the ground or hanging lifting.

Background technology

Safety cramp ring is applicable to work high above the ground such as construction place, guarantees staff's safeguard.During the safety cramp ring design, can not open easily because of misoperation in the time of should considering valve closing, and must reach compressive resistance, stretching resistance, side direction loading capacity equal strength standard during valve closes, for example must reach ANSI (American National Standards Institute) standard or OSHA (Occupational Safety and Health Administration) standard.

In No. 1, US Patent No. 6832417B, a kind of safety cramp ring is disclosed, only need remove and trigger part (Trigger) for the locking of valve, just can Open valve.Yet during for the field, the situation that false touch triggers part may occur, cause Open valve, affect what is more staff's personal safety.

Summary of the invention

The purpose of this utility model is to provide a kind of reliability of product and safety cramp ring of reliability of improving.

So the utility model safety cramp ring comprises a body, one first articulated part, a valve, one second articulated part, a triggering part, one the 3rd articulated part, and an activation members.

This body comprises a base portion, a hook part, and the connecting portion of this base portion of connection and this hook part, forms an opening between this base portion and this hook part.This first articulated part is articulated in this base portion.This valve is articulated in this base portion around this first articulated part pivotly, and this opening of sealing under a common state, and comprise a valve midfeather, contiguous this base portion place of this valve midfeather forms a groove of wearing that is communicated with this opening, and definition defines this face of wearing groove and is a lock face away from the part of this base portion.

This second articulated part is articulated in this base portion.This triggering part is articulated in this base portion and extends towards this opening direction around this second articulated part pivotly, definition is a press section away from this second articulated part and for application of force place, this press section convexedly stretches in this and wears groove, at this common state, this press section is resisted against this lock face, to keep out by the application of force of this opening direction to this valve.

The 3rd articulated part is articulated in this connecting portion.This activation members is articulated in this connecting portion around the 3rd articulated part pivotly, definition is a startup end away from the 3rd articulated part and for application of force place, at this press section pressurized and around this second articulated part leave this lock face and the state that pivots towards this base portion under, but this starts the end pressurized around close this base portion of the 3rd articulated part, this activation members is removed the restriction to this valve, and this valve is force-applied to pivot and open this opening around this first articulated part.

Preferably, the 3rd articulated part is articulated in an end of this hook part of vicinity of this connecting portion, and contiguous this base portion in the startup end of this activation members; Under this common state, the base portion of this startup end and this body separately, the press section of this triggering part and the base portion of this body are separately, apply pressure to this startup end, cause this startup end to pivot towards the base portion of this body, apply pressure to this press section, cause this press section to pivot towards the base portion of this body.

Preferably, the base portion of this body forms one first sliding tray, this valve also comprises the two valve fins that extend towards this connecting portion from two opposite sides of this valve midfeather respectively, this activation members comprises that one starts midfeather, reach the two startup fins that extend towards this connecting portion from these two opposite sides that start midfeather respectively, this activation members forms one and runs through this two the second sliding tray that starts fin, and this safety cramp ring also comprises one and is fixed in this two valves fin and is arranged in respectively the limited post of this first sliding tray and this second sliding tray.

Preferably, this first sliding tray has one and usually holds, this second sliding tray has a limiting section that is positioned at the upper end and protrudes out towards this opening direction, under this common state, and this limited post the stretched through common end of this first sliding tray and the limiting section of this second sliding tray.

Preferably, apply pressure to this startup end, cause this startup end to pivot towards the base portion of this body, this second sliding tray and this first sliding tray are mutually stacked, this limited post leaves this limiting section and is positioned at the common end of this first sliding tray, this valve force-applied around this first articulated part pivot and this limited post in this first sliding tray and this second sliding tray slippage, and this opening of opening.

Preferably, this safety cramp ring also comprises the first elastic parts that a perseverance around the installing of this first articulated part provides the elastic force that this valve seals this opening.

Preferably, this first elastic parts comprises that a stage casing, two that is located at the base portion of this body extends from these two ends, stage casing respectively and encompass ring-type and the stretch section that wears for this first articulated part, and two respectively from the terminal latter end that extends and be butted on this valve of this stretch section.

Preferably, this triggering part comprises the triggering fin of two parallel interval, and a vertical connecting wall that connects this two triggerings fin, and this connecting wall protrudes out this press section towards this opening direction.

Preferably, this is worn groove and has a major trough section, reach one from the location division of this court of major trough section away from the side extension of this base portion, this valve midfeather also has two and defines this location division and connect respectively the locking side of two end opposite of this lock face, this press section has one and exposes to the head section that this wears groove, and one connect respectively this section and this connecting wall and width less than the necking section of this section and this connecting wall, and this necking section has the two constriction sides that lay respectively at two opposition sides; Width between two constriction sides of the necking section of this press section is slightly less than two width that lock between sides of this location division of wearing groove, and width is slightly less than the width that this wears the major trough section of groove between two triggering fins of this triggering part.

Preferably, this safety cramp ring also comprises the second elastic parts that a perseverance provides this triggering part to return back to the elastic force of this common state, and this second elastic parts one end is butted on this triggering part and the other end is butted on this base portion.

Preferably, this body formation one is positioned at the mounting groove of this base portion, and the other end of this second elastic parts is butted on the mounting groove of this base portion.

Preferably, this body formation one is positioned at the projection of this base portion, and the other end of this second elastic parts is butted on the projection of this base portion.

Preferably, this body formation one is positioned at the groove of this connecting portion, this safety cramp ring also comprises the 3rd elastic parts that a perseverance provides the elastic force that this activation members returns back to this common state, and the 3rd elastic parts one end is butted on the groove that this activation members and the other end are butted on this connecting portion.

Preferably, this body also comprises a block flange that forms from the tip end projects of this hook part; This valve comprises one from the sunken breach that forms of this valve midfeather upper end emargination, and at this common state, this breach places wherein for the end of this hook part, and this valve midfeather is against this block flange.

Preferably, the base portion of this body forms one first sliding tray, this valve also comprises the two valve fins that extend towards this connecting portion from two opposite sides of this valve midfeather respectively, this activation members comprises that one starts midfeather, reach the two startup fins that extend towards this connecting portion from these two opposite sides that start midfeather respectively, this two startups fin has respectively one and is applied in terminal locating hole, and define the positioning end of a locating hole, this safety cramp ring also comprises one and is fixed in this two valves fin and is arranged in the limited post of this first sliding tray, under this common state, the two ends of this limited post abut against respectively in this two positioning end.

Preferably, apply pressure to this startup end, cause this startup end to pivot towards the connecting portion of this body, this two positioning end is away from the two ends of this limited post, this valve force-applied around this first articulated part pivot and this limited post in this first sliding tray slippage, and open this opening.

Preferably, this body formation one is positioned at the storage tank of this base portion, this safety cramp ring also comprises the first elastic parts that a perseverance provides the elastic force that this valve seals this opening, and this first elastic parts one end is butted on the valve midfeather of this valve and the storage tank that the other end is butted on this base portion.

Preferably, this body forms a groove, and this safety cramp ring also comprises the 3rd elastic parts that a perseverance provides the elastic force that this activation members returns back to this common state, and the 3rd elastic parts one end is butted on this activation members and the other end is butted on this groove.

Preferably, the 3rd articulated part is articulated in an end of this hook part of vicinity of this connecting portion, and contiguous this base portion in the startup end of this activation members; Under this common state, the connecting portion of this startup end and this body separately, the press section of this triggering part and the base portion of this body are separately, apply pressure to this startup end, cause this startup end to pivot towards the base portion of contiguous this body, apply pressure to this press section, cause this press section to pivot towards the base portion of this body.

Preferably, this valve also comprises the two valve fins that extend towards this connecting portion from two opposite sides of this valve midfeather respectively, and two respectively from the two opposite sides of this two valves fin to the oblique valve side arm that protrudes out, this activation members comprises that one starts midfeather, the two startup fins that extend towards this connecting portion from these two opposite sides that start midfeather respectively, and two respectively from this two oblique startup side arm that protrudes out in two opposite sides that starts fin, this two startups side arm has respectively one and is formed on terminal valve to the lock end, this two startups side arm has respectively one and is formed on terminal startup to the lock end, under this common state, the valve of this two valves side arm supports the corresponding startup that is resisted against this two startups side arm of lock end and supports the lock end.

Preferably, apply pressure to this startup end, cause this startup end to pivot towards the base portion of contiguous this body, this two startup that starts side arm is supported the corresponding valve that is away from this two valves side arm of lock end and is supported the lock end, and this valve is force-applied to pivot and open this opening around this first articulated part.

Preferably, this safety cramp ring also comprises the 3rd elastic parts that a perseverance around the 3rd articulated part installing provides the elastic force that this activation members returns back to this common state.

Preferably, the 3rd elastic parts comprises that a stage casing, two that is located at the connecting portion of this body extends from these two ends, stage casing respectively and encompass ring-type and the stretch section that wears for the 3rd articulated part, and two respectively from the terminal latter end that extends and be butted on the medial surface of this activation members of this stretch section.

The beneficial effects of the utility model are: by operation press section and startup end, could remove the restriction to valve, and then relieving opening, therefore be difficult for because of while false touch press section and start the end decontroling opening, and then improve reliability and the reliability of product, and can promote the guarantee of user's personal safety.

Description of drawings

Fig. 1 is a three-dimensional exploded view, and one first preferred embodiment of the utility model safety cramp ring is described;

Fig. 2 is a stereogram, illustrates that this safety cramp ring is at common state;

Fig. 3 is a schematic diagram, illustrates that one triggers the size relationship that part and is worn groove;

Fig. 4 is the side view of a corresponding Fig. 2;

Fig. 5 is a cross-sectional schematic, illustrates that the necking section of a press section is at a lock face;

Fig. 6 is the view of a similar Fig. 4, illustrates that the necking section of this press section leaves this lock face and is positioned at the major trough section of wearing groove;

Fig. 7 is the view of a similar Fig. 5, illustrates that the necking section of this press section leaves this lock face and is positioned at the major trough section that this wears groove;

Fig. 8 is the view of a similar Fig. 4, illustrates that one starts end capacity compression, and makes one second sliding tray and one first sliding tray mutually stacked;

Fig. 9 is the view of a similar Fig. 4, illustrates that valve pivot makes opening fully open;

Figure 10 is the view of a similar Fig. 4, illustrates that one starts end capacity compression, and makes one second sliding tray and one first sliding tray mutually stacked;

Figure 11 is the view of a similar Fig. 4, illustrates that a press section leaves a lock face and be positioned at the major trough section that this wears groove;

Figure 12 is the view of a similar Fig. 4, illustrates that valve pivot makes opening fully open;

Figure 13 is a three-dimensional exploded view, and the second preferred embodiment of the utility model safety cramp ring is described;

Figure 14 is a stereogram, illustrates that this safety cramp ring is at common state;

Figure 15 is the side view of a corresponding Figure 14;

Figure 16 is the view of a similar Figure 15, illustrates that a press section leaves a lock face;

Figure 17 is the view of a similar Figure 15, illustrates that one starts end capacity compression, and makes two two positioning ends that start fin leave the two ends of a limited post;

Figure 18 is the view of a similar Figure 15, illustrates that valve pivot makes opening fully open;

Figure 19 is the view of a similar Figure 15, illustrates that one starts end capacity compression, and makes these two two positioning ends that start fin leave the two ends of this limited post;

Figure 20 is the view of a similar Figure 15, illustrates that a press section leaves a lock face;

Figure 21 is the view of a similar Figure 15, illustrates that valve pivot makes opening fully open;

Figure 22 is a three-dimensional exploded view, and the 3rd preferred embodiment of the utility model safety cramp ring is described;

Figure 23 is a stereogram, illustrates that this safety cramp ring is at common state;

Figure 24 is the side view of a corresponding Figure 23;

Figure 25 is the view of a similar Figure 24, illustrates that a press section leaves a lock face;

Figure 26 is the view of a similar Figure 24, and a startup end capacity compression is described, leaves two valves to locking end and make two startups support lock end correspondence;

Figure 27 is the view of a similar Figure 24, illustrates that valve pivot makes opening fully open;

Figure 28 is the view of a similar Figure 24, and a startup end capacity compression is described, leaves this two valve to locking end and make this two startup support lock end correspondence;

Figure 29 is the view of a similar Figure 24, illustrates that a press section leaves a lock face; And

Figure 30 is the view of a similar Figure 24, illustrates that valve pivot makes opening fully open.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is elaborated.

Before the utility model is described in detail, be noted that in the following description content similarly assembly is to represent with identical numbering.

Consult Fig. 1, Fig. 2 and Fig. 3, the first preferred embodiment of the utility model safety cramp ring is applicable to the occasion that the user needs work high above the ground or hanging lifting.Safety cramp ring comprises a body 1, a valve 2, one first articulated part 20, one first elastic parts 3, a triggering part (Trigger) 4, one second articulated part 40, one second elastic parts 5, an activation members 6, one the 3rd articulated part 60, one the 3rd elastic parts 7, and a limited post 8.

Body 1 comprises that the hook part 12, of a base portion 11, an arc connects the connecting portion 13 of base portion 11 and hook part 12, and one the block flange 14, four that 12 tip end projects forms from the hook part jointly define one for clasp (not shown) or other treat the fixture (not shown) hang into space 15.Base portion 11 has a first end 111 and one second end 112 that is positioned at two end opposite.Define the opening 16 of a connected space 15 between the first end 111 of base portion 11 and the end of hook part 12, the second end 112 of base portion 11 is connected connecting portion 13.Base portion 11 has first pivoted hole 114 that is formed on perforation 113 between first end 111 and the second end 112, a contiguous first end 111, one and these the first pivoted hole 114 concentrics and curved the first sliding tray 115.Perforation 113 can wear for rope (not shown) or fixed band (not shown).The first sliding tray 115 has a common end 1151 and that is positioned at two end opposite and decontrols end 1152, decontrols and holds 1152 contiguous perforations 113.

Valve 2 is installed in the first pivoted hole 114 of base portion 11 by the first articulated part 20, can controlledly pivot around the first articulated part 20 whereby.Valve 2 comprises that the valve fin 22, that a valve midfeather 21, two extends towards this connecting portion 13 from valve midfeather 21 2 opposite sides respectively falls into the outside 24 that the breach 23, that forms is positioned at valve midfeather 21 from valve midfeather 21 upper end emargination, and one away from the outside 24 and be positioned at the inboard 25 of valve fin 22.Specifically, two valve fins 22 also form one to be run through and the first pivoted hole 221 of adjacent medial side 25, and the first pivoted hole 114 of corresponding base portion 11 with base portion 11 sandwicheds of body 1 wherein, and is sequentially worn and finished the pivot dress by the first articulated part 20.

The first elastic parts 3 comprise one be located at body 1 base portion 11 stage casing 31, two respectively from the stage casing 31 two ends extend and encompass ring-type and the stretch section 32 that wears for the first articulated part 20, and two own elasticity section 32 terminal latter ends 33 that extend and be butted on valve 2 respectively.In this preferred embodiment, the first elastic parts 3 is torque spring.

Trigger part 4 and the second elastic parts 5 is convenient to install in order to make, the base portion 11 of body 1 also forms the mounting groove 116 of a contiguous first end 111, and a contiguous mounting groove 116 and away from the second pivoted hole 117 of first end 111.And valve midfeather 21 adjacent base 11 places of valve 2 form one be communicated with this opening 16 wear groove 211, wears groove 211 and have a major trough section 212, and an autonomous slot part 212 is towards the location division 213 away from the side extension of this base portion 11.Valve midfeather 21 definition defines this face of wearing groove 211 and is a lock face 214 away from the part of this base portion 11.That is to say that valve midfeather 21 has and defines location division 213 and away from the lock face 214 of major trough section 212, and two define location division 213 and connect respectively the locking side 215 of two end opposite of lock face 214.

Trigger part 4 and be articulated in the second pivoted hole 117 of base portion 11 by the second articulated part 40, can controlledly pivot around the second articulated part 40 whereby, and extend towards these opening 16 directions.This triggering part 4 comprises that the triggering fin 41, of two parallel interval is vertical and connects this two connecting walls 42 that trigger fin 41, and one from connecting wall 42 towards press section 43 that these opening 16 directions protrude out.Two trigger fins 41 also forms second pivoted hole 411 that runs through, and to the second pivoted hole 117 that should base portion 11, with base portion 11 sandwicheds of body 1 wherein, and press section 43 protrudes out and wears groove 211.Namely defining away from the second articulated part 40 and confession application of force place is press section 43.Press section 43 has one and is curling shape and exposes to the head section 431 of wearing groove 211, reaches a difference connector section 431 and connecting wall 42 and width less than the necking section 432 of head section 431 and connecting wall 42.Necking section 432 has the two constriction sides 433 that lay respectively at two opposition sides.

The second elastic parts 5 one ends are butted on the mounting groove 116 that this triggering part 4 and the other end are butted on this base portion 11, and in this preferred embodiment, the second elastic parts 5 is Compress Spring.

In order to make activation members 6 and the 3rd elastic parts 7 be convenient to install, the connecting portion 13 of body 1 forms one the 3rd pivoted hole 131 near an end of hook part 12, and connecting portion 13 forms a groove 132 near the second end 112 of base portion 11.Activation members 6 is articulated in the 3rd pivoted hole 131 of base portion 11 by the 3rd articulated part 60, can controlledly pivot around the 3rd articulated part 60 whereby.Activation members 6 comprises that one starts midfeather 61, the startup fin 62 that two opposite sides of two difference self-starting midfeathers 61 extend towards connecting portion 13, and definition is one to start end 63, and be positioned at the outside 64 that starts midfeather 61 away from the 3rd articulated part 60 and for application of force place, and one away from the outside 64 and be positioned at the inboard 65 that starts end 63.Two start fin 62 adjacent medial side 65 and form second sliding tray 621 that runs through, and start the second end 112 of end 63 adjacent base 11.

Specifically, two start fins 62 also forms one and runs through and the 3rd pivoted hole 622 of adjacent lateral side 64, the connecting portion 13 of corresponding body 1 and the 3rd pivoted hole 131 of the joining place of hook part 12 with connecting portion 13 sandwicheds of body 1 wherein, and are sequentially worn and are finished the pivot dress by the 3rd articulated part 60.And the second sliding tray 621 is formed at the end away from the 3rd pivoted hole 622 of two startup fins 62.The second sliding tray 621 has a limiting section 623 that is positioned at the upper end and protrudes out towards opening 16 directions, and a relieving end 624 in contrast to limiting section 623.

The 3rd elastic parts 7 one ends are butted on the groove 132 that this activation members 6 and the other end are butted on this connecting portion 13, and in this preferred embodiment, the 3rd elastic parts 7 is Compress Spring.

The inboard 25 of valve 2 covers the inboard 65 of activation members 6, so that limited post 8 is fixed in a spacing hole 222 of two valve fins, 22 formation and is arranged in respectively the first sliding tray 115 and the second sliding tray 621, and the first sliding tray 115 is communicated with in operation with the second sliding tray 621, that is to say, when valve 2 when the first articulated part 20 pivots, limited post 8 can cooperate the path defined at common end 1151 and the limiting section 623 of the second sliding tray 621 and the relieving end 1152 of the first sliding tray 115 and the second sliding tray 621 of the first sliding tray 115 along the first sliding tray 115 with the second sliding tray 621,624 movements.

Consult Fig. 3, trigger part 4 convenient operations for making, and valve 2 has been played spacing and removed spacing function, the width W 1 that two constriction sides of the necking section 432 of press section 43 are 433 is designed to be slightly less than the width W 2 of 215 of the two locking sides of the location division 213 of wearing groove 211, triggers two of part 4 and triggers the width W 4 that 41 width W 3 of fins are designed to be slightly less than the major trough section 212 of wearing groove 211.

Such as Fig. 2, Fig. 4 and common state shown in Figure 5, valve 2 sealing openings 16 (seeing Fig. 1), and breach 23 wears for hook parts 12 ends, and the both sides of the upper-end part of driving of valve midfeather 21 12 ends in the hook part.At this moment, the below at valve midfeather 21 contiguous breach 23 places is butted on block flange 14, makes more firmly closing any opening 16 of valve 2.3 perseverances of the first elastic parts provide the elastic force of valve 2 sealing openings 16.The press section 43 of triggering part 4 and the base portion 11 of body 1 are separately, and be positioned at the location division 213 of wearing groove 211, and the necking section 432 of press section 43 is resisted against lock face 214, and two constriction sides 433 of necking section 432 lay respectively in the two locking sides 215, and played limit method to valve 2, to keep out by the application of force of opening 16 directions to valve 2, the second elastic parts 5 perseverances provide and trigger the elastic force that part 4 returns back to common state.Start the base portion 11 of end 63 and body 1 separately, the limiting section 623 that only starts the second sliding tray 621 of fin 62 is connected with the common end 1151 of the first sliding tray 115, limited post 8 is positioned at the limiting section 623 of the second sliding tray 621 and the common end 1151 of the first sliding tray 115, played the limit method to valve 2, the 3rd elastic parts 7 perseverances provide activation members 6 to return back to the elastic force of common state.By aforementioned two kinds of different limit methods, reach the double protection to valve 2 sealing openings 16, valve 2 is more difficult to be opened easily and make.

The safety cramp ring that present embodiment below will be described can be by two kinds of different modes of operation, remove such as Fig. 2, Fig. 4 and common state shown in Figure 5 to make valve 2 decontrol openings 16.

Wherein a kind of mode is: such as Fig. 6 and shown in Figure 7, first along arrow I pressuring direction in the press section 43, make and trigger part 4 around the second articulated part 40 and towards these base portion 11 pivots, allow the necking section 432 of press section 43 leave lock face 214, two locking sides 215 are left respectively in two constriction sides 433 of necking section 432, and press section 43 is positioned at the major trough section 212 of wearing groove 211, and press section 43 is abutted against at base portion 11.Then, as shown in Figure 8, again along arrow II pressuring direction in starting end 63, cause and start end 63 around base portion 11 pivots of the 3rd articulated part 60 towards body 1, and then startup end 63 abuts against base portion 11, and the second sliding tray 621 and the first sliding tray 115 are mutually stacked and be communicated with, and at this moment, limited post 8 breaks away from the limiting section 623 of the second sliding tray 621 and is positioned at the common end 1151 of the first sliding tray 115.Then, as shown in Figure 9, force in valve 2 along arrow III direction, valve 2 is pivoted and open opening 16 around the first articulated part 20, limited post 8 is in the first sliding tray 115 and 621 slippages of the second sliding tray.Further, continue along the arrow III direction application of force at valve 2, make valve 2 continue to pivot around the first articulated part 20, limited post 8 continues in the first sliding tray 115 and 621 slippages of the second sliding tray, limited post 8 landings are at the relieving end 1152,624 of the first sliding tray 115 and the second sliding tray 621, and the part that triggers part 4 triggers fin 41 and this two connecting wall 42 of part exposes to the major trough section 212 of wearing groove 211, and valve 2 is abutted against at connecting portion 13, and then opening 16 is opened fully.

When letting go, by the elastic force of the first elastic parts 3, the second elastic parts 5 and the 3rd elastic parts 7, safety cramp ring can recover to operate very convenient such as Fig. 4 and common state shown in Figure 5 voluntarily.

Another kind of mode is: as shown in figure 10, first along arrow I pressuring direction in starting end 63, cause and start end 63 around base portion 11 pivots of the 3rd articulated part 60 towards body 1, and then startup end 63 is abutted against in base portion 11, the second sliding tray 621 and the first sliding tray 115 are mutually stacked and be communicated with, at this moment, limited post 8 breaks away from the limiting section 623 of the second sliding tray 621 and is positioned at the common end 1151 of the first sliding tray 115.Then, such as Fig. 7 and shown in Figure 11, again along arrow II pressuring direction in the press section 43, make and trigger part 4 around the second articulated part 40 and towards these base portion 11 pivots, allow the necking section 432 of press section 43 leave lock face 214, two locking sides 215 are left respectively in two constriction sides 433 of necking section 432, and press section 43 is positioned at the major trough section 212 of wearing groove 211, makes the first end 111 of press section 43 more close base portions 11.Then, identical with aforesaid way, as shown in figure 12, force in valve 2 along arrow III direction, make valve 2 decontrol opening 16.When letting go, identical with aforesaid way, safety cramp ring can recover voluntarily such as Fig. 4 and common state shown in Figure 5.

Consult Fig. 4, Fig. 5 and Fig. 9, therefore, make valve 2 decontrol opening 16 removing common state, the necking section 432 of namely removing press section 43 is positioned at the location division 213 of wearing groove 211, and limited post 8 is positioned at 623 two kinds of restrictive conditions to valve 2 of limiting section of the second sliding tray 621.The necking section 432 that the user can select to remove first press section 43 is resisted against the restriction of lock face 214, namely apply pressure to press section 43, or remove first the restriction that limited post 8 is positioned at the limiting section 623 of the second sliding tray 621, and namely apply pressure to and start end 63, allow mode of operation have more elasticity.

On the other hand, two kinds of modes of operation of this preferred embodiment and the condition that makes valve 2 decontrol opening 16 removing common state US Patent No. 6832417B1 number are compared, this preferred embodiment is to need operation press section 43 and start end 63, could remove the restriction to valve 2, trigger part for the locking of valve and only need for US Patent No. 6832417B1 number to remove, this just means, false touch press section 43 of more difficult while of this preferred embodiment and startup end 63, and then improve reliability and the reliability of product, and can promote the guarantee of user's personal safety.

Consult Figure 13, Figure 14 and Figure 15, the second embodiment for the utility model safety cramp ring, roughly identical with the first embodiment, the Main Differences place is that the kenel of body 1, valve 2, the first elastic parts 3 and activation members 6 is different, and activation members 6 is removed the ways to restrain of valve 2 different.

In a second embodiment, kenel and the position of the first sliding tray 115 of the base portion 11 of body 1 change to some extent, and compared to the more close connecting portion 13 of the first sliding tray 115 (seeing Fig. 1) of the first embodiment.Groove 132 positions of this body 1 change and are positioned at base portion 11.This body 1 also forms a storage tank 118 that is positioned at this base portion 11.Valve 2 kenels change to some extent, but its function remains unchanged.The first elastic parts 3 one ends are butted on the valve midfeather 21 of this valve 2 and the storage tank 118 that the other end is butted on this base portion 11.In the present embodiment, the first elastic parts 3 is Compress Spring.Activation members 6 kenels change to some extent, and omit the second sliding tray 621 (seeing Fig. 1) of the first embodiment.Two startup fins 62 have respectively one and are applied in terminal locating hole 625, and define the positioning end 626 of a locating hole 625 and adjacent medial side 65.

The safety cramp ring of the second embodiment common state as shown in figure 15, safety cramp ring common state as shown in Figure 4 with the first embodiment, difference abuts against respectively in this two positioning end 626 of two startup fins 62 for the two ends of this limited post 8, and has played the limit function to valve 2.

The safety cramp ring of the second embodiment is removed common state as shown in figure 15 and is made valve 2 decontrol opening 16 modes of operation, roughly the safety cramp ring with the first embodiment is identical, for example to make flowing mode constant in press section 43, also can operate by two kinds of different modes, below the difference place will be described.

Wherein a kind of mode is: as shown in figure 16, first along arrow I pressuring direction in the press section 43, make and trigger part 4 under the state that the second articulated part 40 pivots and pivots towards this base portion 11, allow the necking section 432 of press section 43 leave lock face 214.Then, as shown in figure 17, again along arrow II pressuring direction in starting end 63, cause to start end 63 around base portion 11 pivots of the 3rd articulated part 60 towards body 1, start end 63 and abut against this base portion 11, and make two these two positioning ends 626 that start fin 62 leave respectively the two ends of limited post 8.Then, as shown in figure 18, force in valve 2 along arrow III direction, valve 2 is pivoted and open opening 16 around the first articulated part 20, limited post 8 is in 115 slippages of the first sliding tray.Further, continue along the arrow III direction application of force at valve 2, make valve 2 continue to pivot around the first articulated part 20, limited post 8 continues in 115 slippages of the first sliding tray, limited post 8 landings are at the relieving end 1152 of the first sliding tray 115, valve 2 is abutted against at connecting portion 13, and then opening 16 is opened fully.

When letting go, by the elastic force of the first elastic parts 3, the second elastic parts 5 and the 3rd elastic parts 7, safety cramp ring can recover common state as shown in figure 15 voluntarily, operates very convenient.

Another kind of mode is: as shown in figure 19, first along arrow I pressuring direction in starting end 63, cause to start end 63 around base portion 11 pivots of the 3rd articulated part 60 towards body 1, and make two these positioning ends 626 that start fin 62 leave respectively limited post 8.Then, as shown in figure 20, again along arrow II pressuring direction in the press section 43, make and trigger part 4 and pivot around the second articulated part 40 and towards this base portion 11, allow the necking section 432 of press section 43 leave lock face 214.Then, identical with aforesaid way, as shown in figure 21, force in valve 2 along arrow III direction, make valve 2 decontrol opening 16.When letting go, identical with aforesaid way, safety cramp ring can recover common state as shown in figure 15 voluntarily.

Consult Figure 22, Figure 23 and Figure 24, the 3rd embodiment for the utility model safety cramp ring, roughly identical with the first embodiment, the Main Differences place is that the kenel of body 1, valve 2, activation members 6 and the 3rd elastic parts 7 is different slightly to some extent, and activation members 6 is removed the ways to restrain of valve 2 different, and omitted the limited post 8 (seeing Fig. 1) of the first embodiment, valve fin 22 is also without corresponding spacing hole 222 (seeing Fig. 1).

The body 1 of the 3rd embodiment has omitted the first sliding tray 115 (seeing Fig. 1) of the first embodiment, body 1 formation one is positioned at the projection 119 of base portion 11, and having replaced the setting position of the mounting groove 116 (seeing Fig. 1) of the first embodiment, the other end of this second elastic parts 5 is butted on the projection 119 of this base portion 11.

The kenel of valve 2 changes to some extent, also comprises two respectively from the oblique valve side arm 26 that protrudes out in the two opposite sides (namely inboard 25) of two valve fins 22, and the two valve end plates 27 that extend in opposite directions from the lower edge bending of two valve fins 22 respectively.Two valve side arms 26 have respectively one and are formed on terminal valve to lock end 261.Body 1 is folded in 27 of two valve end plates, by the contiguous breach 23 place's reduced width in the upper end of valve end plate 27 and valve midfeather 21, and makes two valve fins 22 more firmly be positioned body 1, is difficult for significantly rolling.

The kenel of activation members 6 changes to some extent, omit the second sliding tray 621 (seeing Fig. 1) of the first embodiment, also comprise the two startup end plates 67 that extend in opposite directions from the upper limbs bending of two startup fins 62 respectively from the two oblique startup side arms 66, two that protrude out in two opposite sides (namely inboard 65) that start fin 62 respectively, and two bend the location-plates 68 that inside contract from the lower ends of two startup fins 62 respectively.Two startup side arms 66 have respectively one and are formed on terminal startup to lock end 661.Body 1 is folded in two and starts

end plates

67 and 68 of location-plates, and makes two to start fins 62 and more firmly be positioned body 1, difficultly significantly rolls.

The 3rd elastic parts 7 comprises that a stage casing 71, two that is located at the connecting portion 13 of this body 1 extends from this 71 two ends, stage casing respectively and encompass ring-type and the stretch section 72 that wears for the 3rd articulated part 60, and two respectively from these stretch section 72 terminal latter ends 73 that extend and be butted on this activation members 6.In the present embodiment, the 3rd elastic parts 7 is torque springs.

The safety cramp ring of the 3rd embodiment common state as shown in figure 24, safety cramp ring common state as shown in Figure 4 with the first embodiment, difference for connecting portion 13 intervals that start end 63 and body 1 apart, the valve of this two valves side arm 26 supports lock end 261 correspondences and is resisted against this two startup that starts side arm 66 to lock end 661, and has played the limit function to valve 2.

The safety cramp ring of the 3rd embodiment is removed such as the common state of Figure 24 and is made valve 2 decontrol opening 16 modes of operation, roughly the safety cramp ring with the first embodiment is identical, for example press section 43 to make flowing mode constant, also can operate by two kinds of different modes, below the difference place will be described.

Wherein a kind of mode is: as shown in figure 25, first along arrow I pressuring direction in the press section 43, make and trigger part 4 and pivot around the second articulated part 40 and towards this base portion 11, allow the necking section 432 of press section 43 leave lock face 214.Then, as shown in figure 26, again along arrow II pressuring direction in starting end 63, cause to start end 63 around base portion 11 pivots of the 3rd articulated part 60 towards adjacent body 1, starting end 63 abuts against connecting portion 13, two and starts and support lock end 661 correspondences and leave two valves and support lock end 261.Then, as shown in figure 27, force in valve 2 along arrow III direction, valve 2 is pivoted and open opening 16 around the first articulated part 20.Further, continue along the arrow III direction application of force at valve 2, make valve 2 continue to pivot around the first articulated part 20, valve 2 is abutted against at connecting portion 13, then opening 16 is opened fully.

When letting go, by the elastic force of the first elastic parts 3, the second elastic parts 5 and the 3rd elastic parts 7, safety cramp ring can recover common state as shown in figure 24 voluntarily, operates very convenient.

The another kind mode is: as shown in figure 28, first along arrow I pressuring direction in starting end 63, cause to start end 63 around base portion 11 pivots of the 3rd articulated part 60 towards adjacent body 1, two startups are supported lock end 661 correspondences and are left two valves to locking end 261.Then, as shown in figure 29, again along arrow II pressuring direction in the press section 43, make and trigger part 4 and pivot around the second articulated part 40 and towards this base portion 11, allow the necking section 432 of press section 43 leave lock face 214.Then, identical with aforesaid way, as shown in figure 30, force in valve 2 along arrow III direction, make valve 2 decontrol opening 16.When letting go, safety cramp ring can recover common state as shown in figure 24 voluntarily.

In sum, the utility model safety cramp ring, by operation press section 43 and startup end 63, could remove the restriction to valve 2, and then decontrol opening 16, therefore be difficult for because of while false touch press section 43 and start end 63 decontroling opening 16, and then reliability and the reliability of raising product, and can promote the guarantee of user's personal safety, so really can reach the purpose of the utility model.

Claims

1. safety cramp ring, it is characterized in that: this safety cramp ring comprises

One body comprises a base portion, a hook part, and the connecting portion of this base portion of connection and this hook part, forms an opening between this base portion and this hook part;

One first articulated part is articulated in this base portion;

One valve, be articulated in this base portion around this first articulated part pivotly, and this opening of sealing under a common state, and comprise a valve midfeather, contiguous this base portion place of this valve midfeather forms a groove of wearing that is communicated with this opening, and definition defines this face of wearing groove and is a lock face away from the part of this base portion;

One second articulated part is articulated in this base portion;

One triggers part, be articulated in this base portion around this second articulated part pivotly, and towards this opening direction extension, definition is a press section away from this second articulated part and for application of force place, this press section convexedly stretches in this and wears groove, at this common state, this press section is resisted against this lock face, to keep out by the application of force of this opening direction to this valve;

One the 3rd articulated part is articulated in this connecting portion; And

One activation members, be articulated in this connecting portion around the 3rd articulated part pivotly, definition is a startup end away from the 3rd articulated part and for application of force place, the state that leaves this lock face and pivot towards this base portion at this press section pressurized and around this second articulated part, this start end capacity compression and around the 3rd articulated part near this base portion, this activation members is removed the restriction to this valve, and this valve is force-applied to pivot and open this opening around this first articulated part.

2. described safety cramp ring according to claim 1, it is characterized in that: the 3rd articulated part is articulated in an end of this hook part of vicinity of this connecting portion, and contiguous this base portion in the startup end of this activation members; Under this common state, the base portion of this startup end and this body separately, the press section of this triggering part and the base portion of this body are separately, apply pressure to this startup end, cause this startup end to pivot towards the base portion of this body, apply pressure to this press section, cause this press section to pivot towards the base portion of this body.

3. described safety cramp ring according to claim 2, it is characterized in that: the base portion of this body forms one first sliding tray, this valve also comprises the two valve fins that extend towards this connecting portion from two opposite sides of this valve midfeather respectively, this activation members comprises that one starts midfeather, reach the two startup fins that extend towards this connecting portion from these two opposite sides that start midfeather respectively, this activation members forms one and runs through this two the second sliding tray that starts fin, and this safety cramp ring also comprises one and is fixed in this two valves fin and is arranged in respectively the limited post of this first sliding tray and this second sliding tray.

4. described safety cramp ring according to claim 3, it is characterized in that: this first sliding tray has one and usually holds, this second sliding tray has a limiting section that is positioned at the upper end and protrudes out towards this opening direction, under this common state, this limited post the stretched through common end of this first sliding tray and the limiting section of this second sliding tray.

5. described safety cramp ring according to claim 4, it is characterized in that: apply pressure to this startup end, cause this startup end to pivot towards the base portion of this body, this second sliding tray and this first sliding tray are mutually stacked, this limited post leaves this limiting section and is positioned at the common end of this first sliding tray, this valve force-applied around this first articulated part pivot and this limited post in this first sliding tray and this second sliding tray slippage, and this opening of opening.

6. described safety cramp ring according to claim 1 is characterized in that: this safety cramp ring also comprises the first elastic parts that a perseverance around this first articulated part installing provides the elastic force that this valve seals this opening.

7. described safety cramp ring according to claim 6, it is characterized in that: this first elastic parts comprises that a stage casing, two that is located at the base portion of this body extends from these two ends, stage casing respectively and encompass ring-type and the stretch section that wears for this first articulated part, and two respectively from the terminal latter end that extends and be butted on this valve of this stretch section.

8. described safety cramp ring according to claim 1, it is characterized in that: this triggering part comprises the triggering fin of two parallel interval, and vertical this two connecting wall that triggers fin that connects, this connecting wall protrudes out this press section towards this opening direction.

9. described safety cramp ring according to claim 8, it is characterized in that: this is worn groove and has a major trough section, reach one from the location division of this court of major trough section away from the side extension of this base portion, this valve midfeather also has two and defines this location division and connect respectively the locking side of two end opposite of this lock face, this press section has one and exposes to the head section that this wears groove, and one connect respectively this section and this connecting wall and width less than the necking section of this section and this connecting wall, and this necking section has the two constriction sides that lay respectively at two opposition sides; Width between two constriction sides of the necking section of this press section is slightly less than two width that lock between sides of this location division of wearing groove, and width is slightly less than the width that this wears the major trough section of groove between two triggering fins of this triggering part.

10. described safety cramp ring according to claim 1, it is characterized in that: this safety cramp ring also comprises the second elastic parts that a perseverance provides this triggering part to return back to the elastic force of this common state, and this second elastic parts one end is butted on this triggering part and the other end is butted on this base portion.

11. described safety cramp ring according to claim 10 is characterized in that: this body forms a mounting groove that is positioned at this base portion, and the other end of this second elastic parts is butted on the mounting groove of this base portion.

12. described safety cramp ring according to claim 10 is characterized in that: this body forms a projection that is positioned at this base portion, and the other end of this second elastic parts is butted on the projection of this base portion.

13. described safety cramp ring according to claim 1, it is characterized in that: this body formation one is positioned at the groove of this connecting portion, this safety cramp ring also comprises the 3rd elastic parts that a perseverance provides the elastic force that this activation members returns back to this common state, and the 3rd elastic parts one end is butted on the groove that this activation members and the other end are butted on this connecting portion.

14. described safety cramp ring according to claim 1 is characterized in that: this body also comprises a block flange that forms from the tip end projects of this hook part; This valve comprises one from the sunken breach that forms of this valve midfeather upper end emargination, and at this common state, this breach places wherein for the end of this hook part, and this valve midfeather is against this block flange.

15. described safety cramp ring according to claim 2, it is characterized in that: the base portion of this body forms one first sliding tray, this valve also comprises the two valve fins that extend towards this connecting portion from two opposite sides of this valve midfeather respectively, this activation members comprises that one starts midfeather, reach the two startup fins that extend towards this connecting portion from these two opposite sides that start midfeather respectively, this two startups fin has respectively one and is applied in terminal locating hole, and define the positioning end of a locating hole, this safety cramp ring also comprises one and is fixed in this two valves fin and is arranged in the limited post of this first sliding tray, under this common state, the two ends of this limited post abut against respectively in this two positioning end.

16. described safety cramp ring according to claim 15, it is characterized in that: apply pressure to this startup end, cause this startup end to pivot towards the base portion of this body, this two positioning end is away from the two ends of this limited post, this valve force-applied around this first articulated part pivot and this limited post in this first sliding tray slippage, and open this opening.

17. described safety cramp ring according to claim 1, it is characterized in that: this body formation one is positioned at the storage tank of this base portion, this safety cramp ring also comprises the first elastic parts that a perseverance provides the elastic force that this valve seals this opening, and this first elastic parts one end is butted on the valve midfeather of this valve and the storage tank that the other end is butted on this base portion.

18. described safety cramp ring according to claim 1, it is characterized in that: this body forms a groove, this safety cramp ring also comprises the 3rd elastic parts that a perseverance provides the elastic force that this activation members returns back to this common state, and the 3rd elastic parts one end is butted on this activation members and the other end is butted on this groove.

19. described safety cramp ring according to claim 1, it is characterized in that: the 3rd articulated part is articulated in an end of this hook part of vicinity of this connecting portion, and contiguous this base portion in the startup end of this activation members; Under this common state, the connecting portion of this startup end and this body separately, the press section of this triggering part and the base portion of this body are separately, apply pressure to this startup end, cause this startup end to pivot towards the base portion of contiguous this body, apply pressure to this press section, cause this press section to pivot towards the base portion of this body.

20. described safety cramp ring according to claim 19, it is characterized in that: this valve also comprises the two valve fins that extend towards this connecting portion from two opposite sides of this valve midfeather respectively, and two respectively from the two opposite sides of this two valves fin to the oblique valve side arm that protrudes out, this activation members comprises that one starts midfeather, the two startup fins that extend towards this connecting portion from these two opposite sides that start midfeather respectively, and two respectively from this two oblique startup side arm that protrudes out in two opposite sides that starts fin, this two startups side arm has respectively one and is formed on terminal valve to the lock end, this two startups side arm has respectively one and is formed on terminal startup to the lock end, under this common state, the valve of this two valves side arm supports the corresponding startup that is resisted against this two startups side arm of lock end and supports the lock end.

21. described safety cramp ring according to claim 20, it is characterized in that: apply pressure to this startup end, cause this startup end to pivot towards the base portion of contiguous this body, this two startup that starts side arm is supported the corresponding valve that is away from this two valves side arm of lock end and is supported the lock end, and this valve is force-applied to pivot and open this opening around this first articulated part.

22. described safety cramp ring according to claim 1 is characterized in that: this safety cramp ring also comprises the 3rd elastic parts that a perseverance around the installing of the 3rd articulated part provides the elastic force that this activation members returns back to this common state.

23. described safety cramp ring according to claim 21, it is characterized in that: the 3rd elastic parts comprises that a stage casing, two that is located at the connecting portion of this body extends from these two ends, stage casing respectively and encompass ring-type and the stretch section that wears for the 3rd articulated part, and two respectively from the terminal latter end that extends and be butted on the medial surface of this activation members of this stretch section.