CN2225589Y

CN2225589Y - Automatic locking device for quick-acting joint cam handle

Info

Publication number: CN2225589Y
Application number: CN95213072U
Authority: CN
Inventors: 张庆昌
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-05-24
Filing date: 1995-05-24
Publication date: 1996-04-24
Anticipated expiration: 2005-05-24

Abstract

The utility model relates to an automatic locking device for quick-acting joint cam handles. Two sets of Y-shaped buckle blocks which are mutually linked at the inner side of a cam handle, the Y-shaped buckle blocks can correspondingly form a buckle rod with a quick-acting joint of a shifting piece, the buckle rod can be buckled with the Y-shaped buckle blocks, and the cam handle can naturally cause the Y-shaped buckle blocks to buckle with the buckle rod for locking when the cam handle is pressed down. When users want to release the utility model, the pull ring linked with the shifting piece can be upwardly pulled, with linking the cam handle, the Y-shaped buckle blocks, the shifting piece and the buckle rod are all separated, and then the locking can be released.

Description

Rapid pipe joint cam handle automatic locking apparatus

The utility model relates to a kind of rapid pipe joint cam handle automatic locking apparatus, be mainly a kind of improvement of cam handle device of pipe joint, and this cam handle more is provided with automatic locking apparatus, can need not that good locking and anti-loose effect are promptly arranged under the operation bidirectional step.

Rapid pipe joint on fuel feeding product and the chemical liquid delivery line now, be that tool joint pin is sent in the female joint, utilize that the cam handle of both sides presses down in the female joint, pin and box sub is compressed be combined into, and its pattern as shown in Figure 5, promptly be articulated with cam handle 80 respectively in the both sides of female joint body 70, and cam handle 80 front ends are to be the thick down thin cam kenel that, so can be when cam handle 80 be presented the state of dialling, tool joint pin is inserted in, and when cam handle 80 is pressed status, can utilizes cam curved surface to stretch into and be pressed in the tool joint pin, the groove that forms and closely pressing (figure does not show), to form the good bond state, in addition, more reach and guarantee that cam handle 80 does not produce vibrations in the reason course of conveying and gets loose, so also be connected a chain and latch 90 arranged cam handle side after 80s, behind pressed joint, can be inserted in the locking aperture 71 by latch 90, utilize latch 90 to fasten in cam handle 80 front positions, so that the effect of placing restrictions on to be provided, prevent that cam handle from getting loose.

Though the rapid pipe joint of aforementioned conventional can reach the problem that gets loose of preventing really through the locking of collocation latch 90, yet in practical operation, but comparatively bother, that is no matter unclamp or during crimp contact, all need just can finish by the plug step of latch 90, obviously comparatively inconvenience, and in the time of may forgetting latch 90 insertions because of human negligence, just have no way of reaching firm anti-loosing effect, if during because of the vibrations releasable joint, oil product or chemical liquid are flowed out, cause environmental pollution, thus the operation inconvenience that aforementioned conventional rapid pipe joint is derived, as the necessity that is improved again.

Main purpose of the present utility model is: a kind of rapid pipe joint cam handle automatic locking apparatus is provided, it mainly is cam handle structure appropriate change, that is within it before the side, the Y shape that back position is formed with screens mutually and interlock is respectively detained structures such as piece and plectrum, and the joint body corresponding position is formed with fastening bar or clipping block, can be when cam handle presses down, make Y shape button piece prop up and stir plectrum when fastening bar, after plectrum utilizes the shell fragment return, then make Y shape button piece can block plectrum and handle and fasten bar and fasten the formation locking, the double effects that provides joint to compress and lock, and desire is when discharging locking and releasable joint, the draw ring that only needs to be positioned at the cam handle rear is pulled upwardly, because of draw ring and plectrum binding, this moment, plectrum then was disengaging with Y shape button piece, the pull-up cam handle breaks away from the fastening bar of Y shape button piece and body in the lump simultaneously, unlock and the effect of releasable joint and can reach simultaneously, with this improved device rapid pipe joint is finished in the lump simultaneously in the operation that compresses and lock, and unlock and releasable joint on operation also finish in the lump.

The technical solution of the utility model is to provide a kind of rapid pipe joint cam handle automatic locking apparatus, is the device that is articulated mutually by joint body and cam handle, it is characterized in that:

The cam handle inner bottom surface forms grooving in two, being inserted in shell fragment respectively enters, the cam handle both sides form the side opening that can supply the pivot post to stretch through, the cam handle rear end forms breach, promptly insert a button piece and the stock shape plectrum that a front end is formed with catching groove respectively corresponding to each shell fragment below, button piece and plectrum waist stretch through with the pivot post and are articulated on the cam handle, and the plectrum end passes breach and is and exposes kenel

Even being formed with one, the position that joint body is corresponding with it supply cam handle to press down the fastening bar that the button piece slips into locking automatically.

Aforesaid rapid pipe joint cam handle automatic locking apparatus is characterized in that: this button piece can form a cross section and be Y font body, and front end forms the V-arrangement catching groove, and the rear end is a flat segments, and the plectrum leading portion can recline and clip with flat segments.

Aforesaid rapid pipe joint cam handle automatic locking apparatus is characterized in that: the front end of this button piece is formed with the long-armed and galianconism of evagination respectively.

Aforesaid rapid pipe joint cam handle automatic locking apparatus is characterized in that: each shell fragment can be a cross section and is  font body.

Aforesaid rapid pipe joint cam handle automatic locking apparatus is characterized in that: this plectrum rear end is combined with draw ring and supplies to insert the bolt device of joint body.

Aforesaid rapid pipe joint cam handle automatic locking apparatus is characterized in that: this fastening bar is combined between the projection of two moulding of joint body.

Aforesaid rapid pipe joint cam handle automatic locking apparatus is characterized in that: the fastening bar of this joint body also can be a clipping block and replaces.

Effect of the present utility model is, can provide cam handle when pressing down, and have concurrently simultaneously and automatically lock effect, and when discharging locking, it is also quite convenient to operate, and is the handle automatic locking apparatus of a tool novelty and practicability.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is sectional perspective system decomposition figure of the present utility model.

Fig. 2 A～2F is the action sectional drawing that cam handle of the present utility model presses down.

Fig. 3 A～3B is the action sectional drawing that cam handle of the present utility model unlocks.

Fig. 4 is an enforcement illustration of the present utility model.

Fig. 5 is the partial exploded view of traditional rapid pipe joint.

As shown in Figure 1, the utility model also is to adopt the relative configurations that is same as existing rapid pipe joint, even also the upper and lower of joint body 10 forms respectively and can supply to insert loop bar 15 so that cam handle 20 articulates and be formed with the structures such as jack 12 of confession latch 54 insertions with it, and cam handle 20 also be by press down and on the mode of drawing operate but of the present utility model being characterised in that:

These cam handle 20 bottom surfaces are defined with two lateral plates 22 and are formed an inner space, form the side opening 23 that supplies the pivot column sleeve to go at two lateral plates, 22 front and back positions, 24, the also integrally formed all right one way or the other confession of the inner bottom surface of cam handle 20 is inserted in the cross section respectively and is 

font shell fragment

31,32 enter, and can be corresponding to this two

shell fragment

31,32 belows are inserted in Y shape button piece 40 respectively and a plectrum 50 enters, and with individual other pivot post respectively through the side opening 23 of

lateral plate

22,24 pass the perforation 41 of Y shape button piece 40 and

plectrum

50,51 and make its location and be before and after the mutual state that abuts against of screens, and on these Y shape button piece 40 front ends, form long down respectively,

galianconism

44,43, and form a V-arrangement catching groove 42 betwixt, the back segment of Y shape button piece 40 is a planar, and plectrum 50 front ends are for forming the inner end 52 of prominent shape, the rear end is a longitudinal bodies, and can pass the formed arc notch 25 in cam handle 20 rear ends, and the rearward end that this plectrum 50 exposes, so that follow-up stirred when desiring to unlock (appearance aftermentioned), in addition, be sheathed with draw ring commonly used 53 at these plectrum 50 ends, chain and latch 54 also remain with existing latch locking device.

Then be formed with aforementioned cam handle 20 inboard two corresponding projections 13 on joint body 10 and stretch through at the structures such as fastening bar 14 of 13 of two projections, this fastens bar 14 is to utilize relative configurations to fasten with it after confession cam handle 20 presses down and automatically lock.

On the manner of execution after the utility model combination, can cooperate referring to shown in Fig. 2 A～2F figure, earlier with Fig. 2 A, 2B in regular turn with cam handle 20 when pressing down, this Y shape button piece 40 and plectrum 50 are subjected to top shell fragment 31 respectively, 32 to the down spring effect, Y shape button piece 40 is towards left side, and plectrum 50 (is level in cam handle 20) for deflection clockwise abuts against its rear end on the stop block below the breach 25 of cam handle 20, in Fig. 2 B, because the galianconism 43 of Y shape button piece 40 front end lower positions just can be crossed the fastening bar 14 of joint body 10, so showing the front end catching groove 42 of this Y shape button piece 40 in Fig. 2 C moves in the fastening bar 14, and at Fig. 2 D, 2E, the continuing again of 2F makes under the state that cam handle 20 presses down, make in regular turn and fasten long-armed 44 of bar 14 pushing and pressing Y shape button pieces 40, and make it towards deflection clockwise, slip over the incline position of plectrum 50 front ends more simultaneously with the end of Y shape button piece 40, also make plectrum 50 be counterclockwise deflection (as Fig. 2 D) in the lump thereupon, after plectrum 50 front ends are crossed in the rear end of Y shape button piece 40 (as Fig. 2 E), can utilize the back stretch of the shell fragment 31 that is positioned at Y shape button piece 40 tops, and change into shown in Fig. 2 F, make Y shape button piece 40 change level into, this moment, the catching groove 42 of Y shape button piece 40 front ends just fastened with fastening bar 14, the planar surface portion of Y shape button piece 40 rear ends then is resisted against plectrum 50 preceding bottom positions, and because plectrum 50 rear ends are subjected to the backstop of cam handle 20 rear end breach 25 material below, so Y shape button piece 40 and plectrum 50 present the mutual clip of a level, just pining down mutually down at aforementioned every structure like this, give the anti-loose effect that cam handle 20 1 automatically locks, therefore, when pressing down in regular turn by aforementioned cam handle 20 at Fig. 2 A～2F, can form smooth-goingly and automatically lock, by contrast, a kind of lock in place effect that need not operation bidirectional promptly is provided, obviously easy and have more practical effect by the rapid pipe joint of inserting the latch mode than traditional need.

And desire is when removing above-mentioned automatically locking, more need not extra operating procedure, the draw ring 53 that draws cam handle 20 to be positioned at the rear on only needing can be finished, that is as shown in Figure 3A, when desiring to unlock, only need draw ring 53 to draw this plectrum 50 that is positioned at cam handle 20 ends on the hand or to link, so that being counterclockwise deflection, plectrum 50 breaks away from when the clip to Y shape button piece 40 ends, even also Y shape button piece 40 is free state, so only need the mode shown in Fig. 3 B, direct pull-up cam handle 20, and the galianconism 43 of Y shape button piece 40 is subjected to joint body 10 to fasten bars 14 to set aside and be counterclockwise deflection, galianconism 43 is moved apart fasten bar 14 positions, can take advantage of a situation unlocks cam handle 20 and returns to opening state shown in Fig. 2 A.

In addition, the aforementioned structure that 13 grafting of two projections fasten bar 14 that passes through that is positioned at joint body 10 more can be changed into as shown in Figure 4, and directly the clipping block 60 of likeness in form taper also can reach identical automatic fastening locking effect on joint body 10.

Claims

1 one kinds of rapid pipe joint cam handle automatic locking apparatus are the devices that articulated mutually by joint body and cam handle, it is characterized in that:

2 rapid pipe joint cam handle automatic locking apparatus according to claim 1 is characterized in that: this button piece forms a cross section and is Y font body, and front end forms the V-arrangement catching groove, and the rear end is a flat segments, described plectrum leading portion and this flat segments reclines and clip.

3 rapid pipe joint cam handle automatic locking apparatus according to claim 1 and 2, it is characterized in that: the front end of this button piece is formed with the long-armed and galianconism of evagination respectively.

4 rapid pipe joint cam handle automatic locking apparatus according to claim 1 is characterized in that: each shell fragment is that a cross section is  font body.

5 rapid pipe joint cam handle automatic locking apparatus according to claim 1 is characterized in that: this plectrum rear end is combined with draw ring and supplies to insert the bolt device of joint body.

6 rapid pipe joint cam handle automatic locking apparatus according to claim 1 is characterized in that: this fastening bar is combined between the projection of two moulding of joint body.

7 rapid pipe joint cam handle automatic locking apparatus according to claim 1, it is characterized in that: the fastening bar of this joint body is a clipping block.