CN203315593U

CN203315593U - Safety buckle

Info

Publication number: CN203315593U
Application number: CN2013203571301U
Authority: CN
Inventors: 林郁文
Original assignee: USANG INDUSTRIAL Co Ltd
Current assignee: USANG INDUSTRIAL Co Ltd
Priority date: 2013-06-20
Filing date: 2013-06-20
Publication date: 2013-12-04
Anticipated expiration: 2023-06-20

Abstract

A safety buckle comprises a body and a valve unit, wherein the body comprises a body part, a base part, a hook part and an opening; the base part extends from one end of the body part; the hook part extends from one end of the body part, which is opposite to the base part; the opening is formed between the base part and the hook part; the valve unit comprises a starting stopper and a valve; the starting stopper is pivotally connected with the base part; the valve can be pivotally connected with the base part in a displacement manner under the drive of the starting stopper. The body can resist force received by the valve in a normal position so as to enable the valve to be limited to pivotally seal the opening; when pressure is exerted on the starting stopper, the starting stopper can pivotally rotate to the base part under the effect of the force so as to drive the valve to displace. Therefore, the limitation to the valve is relieved by the body, and the valve can pivotally rotate under the effect of the force so as to open the opening.

Description

Safety cramp ring

Technical field

The utility model relates to a kind of clasp, particularly relates to a kind of safety cramp ring with high security.

Background technology

Safety cramp ring is applicable to work high above the ground as the construction place, when safety cramp ring designs, in the time of should considering valve closing, can not open easily because of misoperation, and must reach compressive resistance, stretching resistance and 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.

Summary of the invention

The purpose of this utility model is to provide a kind of safety cramp ring that improves security and steadiness.

The utility model safety cramp ring comprises a body and a valve unit.

This body comprises a body, a base portion extended from this body one end, a hook part that the end in contrast to this base portion extends from this body, and an opening be positioned between this base portion and this hook part.This base portion has a sliding tray, and this sliding tray has a first end away from this hook part, and second end in contrast to this first end.

This valve unit comprises that a startup that is articulated in this base portion pulls, and one can be pulled and drive the valve that is articulated in displacement this base portion by this startup.This startup is pulled and is had first drive-connecting shaft that is articulated in this base portion, and definition is away from this first drive-connecting shaft and be a startup end for application of force place.This valve has one slippingly at this sliding tray slippage and the second drive-connecting shaft of this base portion pivotable relatively, and definition is positioned at pull opposition side and be a triggering end for application of force place of this startup.

When a common position, this second drive-connecting shaft is positioned at this first end, and this body keeps out the application of force to this valve, and makes this valve be limited to seal pivotally this opening.It is stressed around this first drive-connecting shaft and to this base portion pivotable that this starts end, this second drive-connecting shaft is positioned at this second end, this body is removed the restriction to this valve, but this triggers the end pressurized and close this base portion, force-applied this opening of opening around this second drive-connecting shaft pivotable of this valve.

Preferably, this start end section is positioned at this startup pulls above, and this trigger end section is positioned on this valve, this hook part has and deviates from the sheathing section that this base portion protrudes out, this valve also has a section of abutting against away from this base portion, and when this common position, the section of abutting against of this valve abuts against the sheathing section in this hook part; Apply pressure to this startup end, the section of abutting against of this valve is left the sheathing section of this hook part.

Preferably, this valve also has a basal wall, and a lock face that is formed at this basal wall and contiguous this first drive-connecting shaft, and this base portion has a confined planes abutted against separably for the lock face of this basal wall, and when this common position, this lock face abuts against in this confined planes; Apply pressure to this startup end, this lock face leaves this confined planes.

Preferably, this hook part has a bending segment extended to this body direction bending, and this sheathing section protrudes out to deviating from this base portion from the end of this bending segment; This valve also have a free end, one and the hook part of this body hook separably the hook mouth of pulling, this section of abutting against is positioned between this hook mouthful and this free end, the bending segment in this Shi，Gai hook part, common position is extended through this hook mouth, this section of abutting against is engaged in this bending segment; Apply pressure to this triggering end, this hook mouth leaves this hook part.

Preferably, this valve also has fin that a basal wall, two two opposition sides from this basal wall extend to this body direction, away from this hooks mouth and is extended through the 3rd drive-connecting shaft of described fin, and a frizzen that is sheathed on the 3rd drive-connecting shaft, this triggerings end is to be positioned on this valve to be close to the 3rd drive-connecting shaft place.

Preferably, this valve also has the fin that a basal wall, two two opposition sides from this basal wall extend to this body direction, and two end plates that extend in opposite directions from the lower edge bending of described fin respectively, and the base portion of this body is folded between described end plate.

Preferably, this valve unit also comprise one be arranged on that this startup is pulled and this valve between the first elastic component, the permanent application of force of this first elastic component is pulled this startup to push this common position to, and the permanent application of force pushes away this body by this valve.

Preferably, this first elastic component has a stage casing, two that is located at this base portion and extends from these two ends, stage casing respectively and encompass annular and the first stretch section, two of wearing for this first drive-connecting shaft extends and encompasses annular and the second stretch section of wearing for this second drive-connecting shaft from described the first stretch section end respectively, and two extend and be butted on respectively the latter end of this valve from described the second stretch section end.

Preferably, this startup pull there is a startup wall that Gong presses, two sidewalls that extend to this base portion direction from these startup wall two opposition sides, and wear described sidewall with this base portion, make this startup pull can relative this base portion pivotable this first drive-connecting shaft.

Preferably, this valve unit also comprises that one is hubbed at the triggering part of this base portion, this triggering part has two flank walls, and one wear described flank wall and make the 4th drive-connecting shaft that this triggering part can relative this base portion pivotable with this base portion, and be defined on this triggering part away from the 4th drive-connecting shaft and be this triggering end for application of force place, each flank wall is formed with a chute at an end of close this base portion; This valve has the fin that a basal wall, two two opposition sides from this basal wall extend to this body direction, and two are arranged at respectively described fin and, away from the roller bearing of this opening, two roller bearings of this valve are arranged at respectively in this corresponding chute slippingly.

Preferably, each chute has the 3rd end of contiguous this body, and the 4th end in contrast to the 3rd end, applies pressure to this startups end, and described roller bearing is close to the 3rd end; Apply pressure to this triggering end, contiguous the 4th end of described roller bearing.

Preferably, this triggering part has a triggering basal wall protruded out to this base portion direction arc, described flank wall and extends to this base portion direction from two opposition sides of this triggering basal wall respectively, and the 4th drive-connecting shaft wears described flank wall makes this triggering part can relative this base portion pivotable with this base portion.

Preferably, this valve unit also comprises that one is arranged between this base portion and this triggering basal wall and the permanent application of force pushes away this triggering basal wall the second elastic component of this base portion.

Preferably, this valve also has the fin that a basal wall, two two opposition sides from this basal wall extend to this body direction, and two guide plates that extend from the upper limb bending of described fin respectively, and the hook part of this body is folded between described guide plate.

The beneficial effects of the utility model are: by this body, limit this valve pivotable, therefore this valve can firmly seal this opening and be difficult for opening by mistake, and only have when applying pressure to this startup while pulling to drive this valve displacement, cause this body to remove the restriction to this valve, this valve begins stressed pivotable and opens this opening, therefore can improve in operational security.

The accompanying drawing explanation

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 partial side view, and the local structure of a valve of this first preferred embodiment is described;

Fig. 3 is a local enlarged side view, and the lock face of a basal wall of this first preferred embodiment and the situation of confined planes when unassembled of a base portion are described;

Fig. 4 is a stereogram, and this first preferred embodiment is described;

Fig. 5 is a side view, illustrates that a startup of this first preferred embodiment is pulled in a common position;

Fig. 6 is a partial sectional view along V-V line in Fig. 5, illustrates that this lock slots of this first preferred embodiment engages with this stopper slot;

Fig. 7 is a side view, and this startup that this first preferred embodiment is described is pulled and made this valve tip break away from the situation of this hook part at a pressing position;

Fig. 8 is a partial sectional view along VII-VII line in Fig. 7, illustrates that this lock slots of this first preferred embodiment and this stopper slot are separated;

Fig. 9 is a side view, and this startup that this first preferred embodiment is described is pulled in this pressing position and this valve pivotable and the situation of an open opening;

Figure 10 is a three-dimensional exploded view, and one second preferred embodiment of the utility model safety cramp ring is described;

Figure 11 is a stereogram, and this second preferred embodiment is described;

Figure 12 is a side view, illustrates that a startup of this second preferred embodiment is pulled in a common position;

Figure 13 is a side view, and this startup that this second preferred embodiment is described is pulled and made a valve tip break away from the situation of this hook part at a pressing position; And

Figure 14 is a side view, and this startup that this second preferred embodiment is described is pulled in this pressing position and this valve pivotable and the situation of open this opening.

The specific embodiment

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

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

Consult Fig. 1 to Fig. 4, one first preferred embodiment of the utility model safety cramp ring comprises a body 2 and a valve unit 3.

This body 2 comprises a curved body 21, a base portion extended from these body 21 1 ends 22, a hook part 23 that the end in contrast to this base portion 22 extends from this body 21, and an opening 20 that is positioned at 23 of this base portion 22 and this hook parts.This body 21, this base portion 22 and this hook part 23 threes jointly define one with this opening 20, be connected and for a clasp (not shown) or treat the fixture (not shown) hang into accommodation space.

This base portion 22 has one and wears and tie up that stopper slot 222, that solid perforation 221, is arranged at an end that is communicated with this opening 20 is established this stopper slot 222 of what and near the confined planes 2221 (as shown in Figure 3) of this body 21 for a rope (not shown) or a fixed band (not shown), and a sliding tray 223 be arranged in this base portion 22.This sliding tray 223 has a first end away from this hook part 23 2231, and second end 2232 in contrast to this first end 2231.

This hook part 23 has one extends and is the bending segment 231 of overhead kick shape to the 21 directions bendings of this body, and an end from this bending segment 231 is to the sheathing section 232 that deviates from these base portion 22 directions and protrude out.232 of this bending segment 231 and this sheathing sections define a groove 233.

This valve unit 3 comprises a startup pull 31, one valve 32 and one first elastic component 33.

This startup is pulled and 31 is articulated in this base portion 22.This startup is pulled and 31 is had a startup wall that can Gong press 311, two sidewalls 312 that extend to these base portion 22 directions from 311 liang of opposition sides of this startup wall, and one be articulated in the first drive-connecting shaft 313 of this base portion 22, and define this startup and pull on 31 away from this first drive-connecting shaft 313 and be a startup end A for application of force place.This first drive-connecting shaft 313 is arranged in this two sidewall 312 and this base portion 22, this startup pull 31 can be controlled ground around this first drive-connecting shaft 313 and with respect to this base portion 22 in a common position away from this base portion 22, and one near pivotable between the pressing position of this base portion 22.

This valve 32 can be articulated in this base portion 22 with displacement by this startup 31 drives of pulling.This valve 32 have fin that a basal wall 321, two two opposition sides from this basal wall 321 extend to these body 21 directions 322, can be in this sliding tray 223 slippage and the second drive-connecting shaft 323 of these base portion 22 pivotables relatively, the second drive-connecting shaft 323 is extended through the 3rd drive-connecting shaft 324 that this fin 322, one is extended through this two fin 322, one is sheathed on the frizzen 325 of the 3rd drive-connecting shaft 324, and two end plates 326 that extend in opposite directions from the bending of the lower edge of this two fin 322 respectively, and define on this valve 32 contiguous the 3rd drive-connecting shaft 324 and be a triggering end B for application of force place.

The base portion 22 of this body 2 is folded in 326 of these end plates, by these end plates 326, makes this two fin 322 more firmly be positioned the base portion 22 of this body 2, is difficult for significantly rolling.This valve 32 also has two guide plates 3221 that extend from the upper limb bending of these fins 322 respectively, the hook part 23 of this body 2 is folded in 3221 of these guide plates, and these guide plates 3221 are for for stably guiding this valve 32, with this hook part 23, hooking and pull and separate mutually.This second drive-connecting shaft 323 is extended through this startup pull this two sidewall 312 and this base portion 22 of 31, and pulled by this startup, this two sidewall 312 of 31 drives and in

first end

2231 and 2232 slips of the second end of this sliding tray 223, this valve 32 can be around this second drive-connecting shaft 323 and this base portion 22 pivotables relatively.

The basal wall 321 of this valve 32 has a free end away from this base portion 22 3211, one hooks the hook mouth 320 of pulling separably with the hook part 23 of this body 2, one is positioned at the top margin 3201 of this

hook mouthfuls

320 and 3211 of this free ends and away from the section of abutting against 3212 (as shown in Figure 2) of this base portion 22, one is formed at this basal wall 321 and away from the lock slots 3213 of this section of abutting against 3212, one is formed at the lock face 3214 (as shown in Figure 3) of inboard and contiguous this first drive-connecting shaft 313 of this basal wall 321, and two opposition sides of two ends by these basal wall 321 contiguous these base portions 22 are to the lockplate 3215 (as shown in Figure 2) of these base portion 22 extensions.

The 3rd drive-connecting shaft 324 is positioned at two end opposite of this valve 32 away from this hook mouthfuls 320 and with this hooks mouth 320.The lock slots 3213 of this basal wall 321 is engaged in the stopper slot 222 of this base portion 22 separably, and the lock face 3214 of this basal wall 321 abuts against the confined planes 2221 in this base portion 22 separably.When this lock face 3214 abuts against this confined planes 2221, this confined planes 2221 is available for keeping out to the application of force of this valve 32 and limits this valve 32 pivotables.

This first elastic component 33 is torque springs, is arranged on this startup and pulls 31 and 32, this valve.This first elastic component 33 has a stage casing 331, two that is located at this base portion 22 and extends from these 331 two ends, stage casing respectively and encompass annular and the first stretch section 332, two of wearing for this first drive-connecting shaft 313 extends and encompasses annular and the second stretch section 333 of wearing for this second drive-connecting shaft 323 from these the first stretch section 332 ends respectively, and two extend and be butted on respectively the latter end 334 of basal wall 321 internal faces of this valve 32 from these the second stretch section 333 ends.The permanent application of force of this first elastic component 33 is pulled this startup 31 from this pressing position, to push this common position to, and the permanent application of force pushes away this body 21 to seal this opening 20 by this valve 32.

Consult Fig. 5 and Fig. 6, in this first preferred embodiment, when this startup pulls 31 during in this common position, this second drive-connecting shaft 323 is positioned at the first end 2231 of this sliding tray 223, the lock slots 3213 of this basal wall 321 is engaged in the stopper slot 222 (as shown in Figure 6) of this base portion 22, the lock face 3214 of this basal wall 321 abuts against the confined planes 2221 in this base portion 22, and these lockplates 3215 are located in two opposition sides of this base portion 22.In addition, the bending segment 231 of this hook part 23 is extended through this hook mouth 320, the section of abutting against 3212 of the basal wall 321 of this valve 32 is engaged in this bending segment 231, and this section of abutting against 3212 abuts against in this hook part 23 sheathing section 232 and is limited in this groove 233, and now this valve 32 is limited to seal this opening 20 around these the second drive-connecting shaft 323 pivotables.Keep out the limit method to the application of force of this valve 32 by above-mentioned this body 2 that utilizes, reach the protection to valve 32 sealing openings 20, and make valve 32 more be difficult for being unlocked.

The user can be hold by one hand safety cramp ring, consult Fig. 7 and Fig. 8, first along arrow I pressuring direction, in this, start end A, it is force-applied around this first drive-connecting shaft 313 and to these base portion 22 pivotables that this starts end A, and being pulled, this startup 31 moves to this pressing position from this common position, this second drive-connecting shaft 323 is slid onto the second end 2232 of this sliding tray 223 by interlock, now the section of abutting against 3212 of the basal wall 321 of this valve 32 is left sheathing section 232 and this groove 233 of this hook part 23, the lock slots 3213 of this basal wall 321 leaves the stopper slot 222 of this base portion 22, and the lock face 3214 of this basal wall 321 leaves the confined planes 2221 (as shown in Figure 8) of this base portion 22, therefore the restriction that makes this body 2 remove this valve 23.

Consult Fig. 9, when this startup pulls 31 during at this pressing position, then, further force in this triggering end B and make it near this base portion 22 along arrow II direction, this valve 32 is therefore force-applied opens this opening 20 around these the second drive-connecting shaft 323 pivotables, and now the hook mouth 320 of this basal wall 321 leaves the bending segment 231 of this hook part 23.And, in the time will returning back to common position, only need to decontrol in order this triggering end B and this startup end A, and, by the elastic force of the first elastic component 33, this valve 32 can seal this opening 20 again, therefore quite convenient for operability.

Consult Figure 10 and Figure 11, one second preferred embodiment and this first preferred embodiment of the utility model safety cramp ring have similar structure, both difference are: in this second preferred embodiment, it is short that the width of the valve 32 of this valve unit 3 ' comes compared to the valve 32 (seeing Fig. 5) of the first preferred embodiment, and do not there is the 3rd drive-connecting shaft 324, this frizzen 325 and this two end plate 326, and this valve 32 has two fins 322 ' that are different from the tool person of this first preferred embodiment institute, and two be arranged at respectively these fins 322 ' and away from the roller bearing 327 of this opening 20.In addition, the kenel of the triggering end B (seeing Fig. 5) of the triggering end B of this second preferred embodiment and this first preferred embodiment is different.This valve unit 3 ' also comprises a triggering part 34 and one second elastic component 35, and this base portion 22 also has a mounting groove 224 of installing for this second elastic component 35.

This triggering part 34 is hubbed at the base portion 22 of this body 2, and is positioned at this base portion 22 in contrast to a pull end of 31 of this startup.This triggering part 34 has the flank wall 342 that a triggering basal wall protruded out to these base portion 22 direction arcs 341, two extends to these base portion 22 directions from two opposition sides of this triggering basal wall 341 respectively, and one wear this two flanks wall 342 and make the 4th drive-connecting shaft 343 that this triggering part 34 can relative these base portion 22 pivotables with this base portion 22, and to define on this triggering part 34 be a triggering end B away from the 4th drive-connecting shaft 343 and confession application of force place.

Each flank wall 342 of this triggering part 34 is formed with a chute 344 at the end near this base portion 22.Each chute 344 has the 3rd end 3441 of contiguous this body 21, and the 4th end 3442 in contrast to the 3rd end 3441.These roller bearings 327 of this valve 32 are arranged at respectively in this corresponding chute 344 slippingly, and can be in

first end

3441 and 3442 slippages of the second end of these chutes 344.This second elastic component 35 is Compress Springs, and two ends are arranged at respectively 341 of the mounting groove 224 of this base portion 22 and this triggering basal walls, and the permanent application of force pushes away this base portion 22 by this triggering basal wall 341.

Consult Figure 12, it is 31 identical with this first preferred embodiment with the start principle of valve 32 that the startup of this second preferred embodiment is pulled, and is all to pull and 31 drive this valve 32 displacements by this startup.When this startup pulls 31 during in this common position, this second drive-connecting shaft 323 is positioned at the first end 2231 of this sliding tray 223, the lock slots 3213 of this basal wall 321 is engaged in the stopper slot 222 (as shown in Figure 6) of this base portion 22, and the lock face 3214 of this basal wall 321 abuts against the confined planes 2221 in this base portion 22.The bending segment 231 of this hook part 23 is extended through this hook mouth 320, the section of abutting against 3212 of the basal wall 321 of this valve 32 is engaged in this bending segment 231, and this section of abutting against 3212 abuts against in this hook part 23 sheathing section 232 and is limited in this groove 233, and now this valve 32 is limited to seal this opening 20 around these the second drive-connecting shaft 323 pivotables.

The user can be hold by one hand safety cramp ring, consult Figure 13, first along arrow I pressuring direction, in this, start end A, it is force-applied around this first drive-connecting shaft 313 and to these base portion 22 pivotables that this starts end A, and being pulled, this startup 31 moves to this pressing position from this common position, this second drive-connecting shaft 323 is slid onto the second end 2232 of this sliding tray 223 by interlock, now the section of abutting against 3212 of the basal wall 321 of this valve 32 is left sheathing section 232 and this groove 233 of this hook part 23, the lock slots 3213 of this basal wall 321 leaves the stopper slot 222 of this base portion 22, the lock face 3214 of this basal wall 321 leaves the confined planes 2221 (as shown in Figure 8) of this base portion 22, and the 3rd end 3441 of these roller bearing 327 contiguous these chutes 344, therefore the restriction that makes this body 2 remove this valve 23.

Consult Figure 14, in this second preferred embodiment, when this startup pulls 31 during at this pressing position, then, further force in this triggering end B along arrow II direction, therefore this triggers end B pressurized and around the 4th drive-connecting shaft 343 pivotables can be near this base portion 22, this triggering part 34 can drive stressed this opening 20 of opening around these the second drive-connecting shaft 323 pivotables of this valve 32 by this, now the hook mouth 320 of this basal wall 321 leaves the bending segment 231 of this hook part 23, and the 4th end 3442 of these roller bearing 327 contiguous these chutes 344.While letting go, by the elastic force of the first elastic component 33 and the second elastic component 35, safety cramp ring can recover common position as shown in figure 12 voluntarily.

In sum, the hook mouth 320 by this basal wall 321 hooks mutually to pull with the bending segment 231 of this hook part 23 and limits this valve 32 pivotables, so this valve 32 can firmly seal this opening 20; Again by this startup pull 31 with the mutual interlock of this valve 32, therefore only have when applying pressure to this startup and pull 31 while driving this valve 32 displacement, this valve 32 begins to have an opportunity stressed pivotable and opens this opening 20, thereby not only firm and be difficult for mistake and open in operation, so really can reach the purpose of this utility model.

Only as described above, it is only preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, the simple equivalence of generally doing according to the utility model claim and patent specification content changes and modifies, and all still belongs in the scope that the utility model patent contains.

Claims

1. a safety cramp ring is characterized in that:

This safety cramp ring comprises:

A body, comprise a body, a base portion extended from this body one end, a hook part that the end in contrast to this base portion extends from this body, an and opening be positioned between this base portion and this hook part, this base portion has a sliding tray, this sliding tray has a first end away from this hook part, and second end in contrast to this first end; And

A valve unit, comprise that a startup that is articulated in this base portion pulls, reaching one can be pulled and drive the valve that is articulated in displacement this base portion by this startup, this startup is pulled and is had first drive-connecting shaft that is articulated in this base portion, and definition is a startup end away from this first drive-connecting shaft and confession application of force place, this valve has one slippingly at this sliding tray slippage and the second drive-connecting shaft of this base portion pivotable relatively, and definition is positioned at pull opposition side and be for application of force place and trigger end of this startup;

When a common position, this second drive-connecting shaft is positioned at this first end, and this body is kept out the application of force to this valve, and make this valve be limited to seal pivotally this opening, it is stressed around this first drive-connecting shaft and, to this base portion pivotable, this second drive-connecting shaft is positioned at this second end that this starts end, and this body is removed the restriction to this valve, but this triggers the end pressurized and close this base portion, force-applied this opening of opening around this second drive-connecting shaft pivotable of this valve.

2. safety cramp ring according to claim 1, it is characterized in that: this start end section is positioned on this startup pulls, this trigger end section is positioned on this valve, this hook part has one and deviates from the sheathing section that this base portion protrudes out, this valve also has a section of abutting against away from this base portion, when this common position, the section of abutting against of this valve abuts against the sheathing section in this hook part; Apply pressure to this startup end, the section of abutting against of this valve is left the sheathing section of this hook part.

3. safety cramp ring according to claim 1, it is characterized in that: this valve also has a basal wall, an and lock face that is formed at this basal wall and contiguous this first drive-connecting shaft, this base portion has the confined planes that the lock face of this basal wall of confession abuts against separably, when this common position, this lock face abuts against in this confined planes; Apply pressure to this startup end, this lock face leaves this confined planes.

4. safety cramp ring according to claim 2 is characterized in that: this hook part has a bending segment extended to this body direction bending, and this sheathing section is that the end from this bending segment protrudes out to deviating from this base portion; This valve also has a free end, a hook part with this body hooks the hook mouth of pulling separably, this section of abutting against is to be positioned between this hook mouth and this free end, bending segment in this Shi，Gai hook part, common position is extended through this hook mouthful, and this section of abutting against is engaged in this bending segment; Apply pressure to this triggering end, this hook mouth leaves this hook part.

5. safety cramp ring according to claim 4, it is characterized in that: this valve also has fin that a basal wall, two two opposition sides from this basal wall extend to this body direction, one away from this hooks mouth and is extended through the 3rd drive-connecting shaft of described fin, and a frizzen that is sheathed on the 3rd drive-connecting shaft, this triggering end is to be positioned at contiguous the 3rd drive-connecting shaft place on this valve.

6. safety cramp ring according to claim 1, it is characterized in that: this valve also has a basal wall, two fins that two opposition sides from this basal wall extend to this body direction, and two end plates that extend in opposite directions from the lower edge bending of described fin respectively, the base portion of this body is folded between described end plate.

7. safety cramp ring according to claim 1, it is characterized in that: this valve unit also comprise one be arranged on that this startup is pulled and this valve between the first elastic component, the permanent application of force of this first elastic component is pulled this startup to push this common position to, and the permanent application of force pushes away this body by this valve.

8. safety cramp ring according to claim 7, it is characterized in that: this first elastic component has a stage casing that is located at this base portion, two and extends from these two ends, stage casing respectively and encompass annular and the first stretch section of wearing for this first drive-connecting shaft, two extend and encompass annular and the second stretch section of wearing for this second drive-connecting shaft from described the first stretch section end respectively, and two latter ends that extend and be butted on respectively this valve from described the second stretch section end.

9. safety cramp ring according to claim 1, it is characterized in that: this startup pull there is a startup wall that the confession presses, sidewall that two are extended to this base portion direction from these startup wall two opposition sides, and wear described sidewall with this base portion, make this startup pull can relative this base portion pivotable this first drive-connecting shaft.

10. safety cramp ring according to claim 1, it is characterized in that: this valve unit also comprises a triggering part that is hubbed at this base portion, this triggering part has two flank walls, and one wear described flank wall and make the 4th drive-connecting shaft that this triggering part can relative this base portion pivotable with this base portion, and be defined on this triggering part away from the 4th drive-connecting shaft and be this triggering end for application of force place, each flank wall is formed with a chute at an end of close this base portion; This valve has a basal wall, two fins that two opposition sides from this basal wall extend to this body direction, and two be arranged at respectively described fin and, away from the roller bearing of this opening, two roller bearings of this valve are arranged at respectively in this corresponding chute slippingly.

11. safety cramp ring according to claim 10 is characterized in that: each chute has the 3rd end of this body of vicinity, and the 4th end in contrast to the 3rd end, applies pressure to this startups end, and described roller bearing is close to the 3rd end; Apply pressure to this triggering end, contiguous the 4th end of described roller bearing.

12. safety cramp ring according to claim 10, it is characterized in that: this triggering part has a triggering basal wall protruded out to this base portion direction arc, two opposition sides that described flank wall triggers basal wall from this respectively extend to this base portion direction, and the 4th drive-connecting shaft wears described flank wall makes this triggering part can relative this base portion pivotable with this base portion.

13. safety cramp ring according to claim 12 is characterized in that: this valve unit also comprises that one is arranged between this base portion and this triggering basal wall and the permanent application of force pushes away this triggering basal wall the second elastic component of this base portion.

14. safety cramp ring according to claim 1, it is characterized in that: this valve also has a basal wall, two fins that two opposition sides from this basal wall extend to this body direction, and two guide plates that extend from the upper limb bending of described fin respectively, the hook part of this body is folded between described guide plate.