CN2293698Y

CN2293698Y - Fast joining device

Info

Publication number: CN2293698Y
Application number: CN 97218244
Authority: CN
Inventors: 吴金堂
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-06-18
Filing date: 1997-06-18
Publication date: 1998-10-07
Anticipated expiration: 2007-06-18

Abstract

The utility model relates to a fast joining device. The bottom of an action body is provided with a contact part and an air inlet part, and the outer edge of the bottom is bulged with a stop block. The lower side of a sliding sleeve body is provided with a hollow fixed body having a center provided with a slot, the left and the right sides of the center of the sliding sleeve body are formed with contact ends, the outer edge of the sliding sleeve body is provided with threads, and the bottom of the sliding sleeve body is provided with a stop washer. The stop washer is accommodated in a stop seat in the inner edge of a connecting body, and the fixed body is fixed to the inner edge of the connecting body. When a main joint is assembled with a secondary joint, a contact part moves down to enter the slot of the fixed body and butts with the top surface of the stop washer to disengage form the contact ends, pressure enter the secondary joint through the air inlets of the outer air inlet end of the stop washer. The utility model obtains the efficiencies of fast assembly and convenient operation.

Description

Quick coupling device

The utility model relates to the improvement structure of rapid pipe joint, refers in particular to a kind of light power and is easy to the quick coupling device of the Null oil-pressure of winding.

Quick coupling device commonly used is at present consulted Fig. 1 and is mainly connected to form by major joint X and time joint Y, and this joint Y is a hollow tube body, the top inner edge is provided with screw thread 100, can be connected with connecting tube A, be arranged with snap groove 110 in the middle of the outside, the bottom is the connecting end 120 of pushing and drawing shape; Major joint X comprises and pushes body 20, accommodating body 300, action body 400, opens and closes body 500 and connecting body 700.Pushing body 200 is provided with ring edge 210, presses sincere groove 220, presses sincere 230 by the top inner edge.Accommodating body 300, the top outer rim is arranged with groove 310, these groove 310 bottoms offer several saturating empty circular holes 320, be provided with steel ball 330 in the circular hole 320, the prominent bead 340 of establishing of its bottom outer rim, the prominent retaining edge 350 of establishing of bottom inner edge, its bottom inner edge is provided with screw thread 360, the collar 370 is sheathed in the groove 310, and spring 380 is sheathed between circular hole 320 and the bead 340.Action body 400 is pipe body shape, the bottom surface is airtight, end face is empty thoroughly, the inner edge top is provided with socket 410 and packing ring 420, the prominent ring bead 430 of establishing of its outer rim, it respectively is provided with the air intake 440 and the packing ring 450 of sky, the sheathed keying body 500 of its outer rim, stop edge 510, packing ring 520 and spring 600 by two bottom sides, the top card of spring 600 is held in ring bead 430 bottoms, and the bottom of spring 600 is fastened in the top that opens and closes body 500; The connecting body 700 top outer rims of hollow shape are provided with screw thread 710, and the bottom outer rim is provided with down screw thread 720, and inner edge is provided with stopping seat 730, and central authorities are provided with slotted eye 740, and the bottom can be communicated with the pneumatic tube B of incoming pressure;

Consult Fig. 2, assembled sectional view for the major joint X of common features, at first spring 380 is sheathed on accommodating body 300 outer rims, and between circular hole 320 and bead 340, mat steel ball 330 and bead 340 compressing springs 380 can't come off it, again the collar 370 is sheathed in the groove 310, after will push body 200 and be inserted in accommodating body 300 top outer rims; Action body 400 after will making up is again inserted by accommodating body 300 bottoms, and connecting body 700 spiral shells are located at accommodating body 300 bottoms, finish being connected of major joint X;

Consult Fig. 3, combination action schematic representation for common features, when pneumatic tube B begins incoming pressure, this powerful pressure general is all entered by the slotted eye 740 of connecting body 700 central authorities, up the percussion action body 400, this moment, this pressure was subjected to moving body 400 bottoms and stop edge 510 backstops in retaining edge 350 times, can't up advance, and

mat packing ring

450 and 520 prevented that this pressure is by leaking between it;

When major joint X uses with time joint Y winding, the connecting end 120 of inferior joint Y bottom inserts in the accommodating body 300, owing to be equipped with action body 400 in the accommodating body 300, when connecting end 120 toward pressing down when sincere, pressing sincere socket 410 will move body down moves, owing to open and close the backstop that body 500 bottom peripheral edge are subjected to connecting body 700 this moment, the top is subjected to the restriction of spring 600, this opens and closes body 500 and keeps motionless, can make action body 400 be subjected to pressing sincere down start, air intake 440 will break away from the backstop that opens and closes body 500, and the pressure of being imported by pneumatic tube B is entered in the action body 400 by air intake 440, enter in time joint Y, packing ring 420 prevents loss of pressure again; Press movings when the connecting end 120 of inferior joint Y and make body 400 down during start, steel ball 330 will move toward interior, and press sincere groove 220 will break away from steel ball 330 this moment, make that to push body up mobile, this moment, steel ball 330 was placed in the snap groove 110, and time joint Y is combined with accommodating body 300.

Though the operating process of above-mentioned common features can reach the effect in conjunction with action, but because this joint construction is the process that reaches operation with the crunch of Null oil-pressure, therefore its internal structure must be born powerful air pressure, when inferior joint Y combines action with major joint X, serve as the action emphasis with this action body 400 fully, that is when time joint Y toward pressing down when sincere, its point of application of force must by steel ball 330 through spring 380 between action body 400 bottoms apart from length, the operator must be via this distance, overcome steel ball, spring and whole drags that produce of moving are impacted, often because of influenced by this crunch, misoperation and cause puzzlement.

The purpose of this utility model is to provide a kind of action certain, easy to operate, can reach the improvement structure of the rapid pipe joint of utilization benefit again.

The purpose of this utility model is achieved in that

A kind of quick coupling device, comprise by push major joint that body, accommodating body, action body, slip body form and with the inferior joint of major joint winding, and the connecting body that is positioned at the major joint bottom, it is characterized in that, the bottom center of this action body is the contacting part of plane sealing, the outside of this action body become the inclined-plane and about offer the air inlet portion of suction port, it is provided with the stop block of groove and evagination by the bottom; Be provided with the fixed body that is the hollow sleeve shape below the slip body, this fixed body inner edge is provided with groove, and its bottom surface is pushing and drawing shape, its central left and right sides forms contact jaw, its outer periphery are provided with screw thread, are provided with the backstop pad below this fixed body, and the outer periphery of this backstop pad are provided with air inlet end.

Be provided with packing ring in the described groove.

The guiding seat top of described action body inner edge is to the upper process guiding body, the sheathed stop tab of the outer periphery of this guiding body.

Major advantage of the present utility model is to have quick winding and rapid operation effect easily.

Describe in detail below in conjunction with preferred embodiment and accompanying drawing:

Fig. 1 is the common features three-dimensional exploded view;

Fig. 2 is the common features assembled sectional view;

Fig. 3 is common features action schematic representation;

Fig. 4 is a three-dimensional exploded view of the present utility model;

Fig. 5 is an assembled sectional view of the present utility model;

Fig. 6 is the assembled sectional view before the utility model does not move;

Fig. 7 is an action schematic representation of the present utility model;

Fig. 8 is the center plan view of Fig. 5.

Consult shown in Figure 4ly, the utility model comprises major joint 1, inferior joint Y and connecting body 7, and this major joint 1 comprises: be the pressing body 200 of hollow cap shell-like, and the outstanding ring of inner edge edge 210, ring edge top forms presses sincere groove 220, and sincere 230 of outstanding pressure formed on ring edge bottom; The accommodating body 300 that is the hollow cylinder shape, the groove 310 that the top outer rim is arranged with, the bottom offers several saturating empty circular holes 320, be provided with steel ball 330 in the circular hole, the prominent bead 340 of establishing of circular hole bottom outer rim of accommodating body 300, the collar 370 is sheathed in the groove 310, and spring 380 is sheathed between circular hole 320 and the bead 340.Inferior joint Y is hollow tube body, and the top inner edge is provided with screw thread 100, can be connected with connecting tube A, is arranged with snap groove 110 in the middle of the outside, and the bottom is the connecting end 120 of pushing and drawing shape, and said structure is identical with usual means.Improvement structure of the present utility model comprises the action body 3 in the major joint 1, the hollow tube shape that is sky for end face, central authorities are provided with conduit 31, the inner edge top is provided with guiding seat 32, guiding seat 32 tops are to upper process guiding body 321, the sheathed stop tab 33 of outer rim, the prominent ring bead 34 of establishing of action body 3 outer rims, the bottom is set as pushing and drawing shape, central authorities are the contacting part 35 and the outside air inlet portion 351 in the slope on plane, contacting part 35 is airtight, air inlet portion 351 is in each side offering suction port 36, action body 3 is concaved with groove 37 by the bottom, packing ring 371, stop block 38, the sheathed slip body 39 that is hollow shape of action body 3 outer rims, the bottom outer rim is established bead 391 to evagination, packing ring 392, spring 4 is located in action body 3 outer rims, spring 4 top card are held in ring bead 34 bottoms of action body 3, and the bottom of spring 4 is fastened in slip body 39 tops, but makes slip body 39 mat springs uphold start up and down; The end face and the bottom surface that are the fixed body 5 of hollow sleeve shape are permeable type, and central authorities offer conduit 51, and the inner edge of fixed body 5 is concaved with groove 52, in be provided with packing ring 53, fixed body 5 bottom surfaces are pushing and drawing shape, and each side form contact jaw 54 in central authorities, and outer rim is provided with screw thread 55; The bottom is provided with backstop pad 6, and backstop pad 6 is square shape, and each limit is an air inlet end 61, is set as the arc toroidal between each limit and the limit; The connecting body 7 top outer rims that are hollow shape are provided with screw thread 71, and the bottom outer rim is provided with down screw thread 72, and the connecting body inner edge is provided with stopping seat 73, and central authorities are provided with slotted eye 74, and inner edge is provided with internal thread 75, and connecting body 7 bottoms are communicated with the pneumatic tube B of incoming pressure;

Consult Fig. 5, assembled sectional view of the present utility model, at first spring 380 is sheathed on accommodating body 300 outer rims between circular hole 320 and bead 340, again the collar 370 is set in the groove 310, pressing body 200 is inserted in accommodating body top outer rim, slip body 39 is sheathed on action body 3 outer rims, be located in the external edge of action with spring 4, these spring 4 top card are held in ring bead 34 bottoms of action body 3, the bottom of spring 4 is fastened in slip body 39 tops, but make slip body 39 mat springs 4 do to uphold up and down action in action body 3 outer rims, form the structure of action body 3, the body 3 that will move again is located in accommodating body 300 inside from lower to upper; After backstop pad 6 is placed on the stopping seat 73 of connecting body 7 inner edges, the internal thread 75 that the more set screw thread 55 of its outer periphery of fixed body 5 mats is bolted in connecting body 7 inner edges reaches fixing; Connecting body 7 spiral shells are located at accommodating body 300 bottoms finish composite construction of the present utility model;

When pressing body 200 is arranged in accommodating body 300 top outer rims, but mat is sheathed on the spring 380 of accommodating body 300 outer rims and produces flexible up and down start, when pushing this spring 380 of body 200 mats toward lower compression, sincere 230 compressing spring 380 of pressure that mat is pushed body 200 inner edges makes down and contracts, when slip body 39 is sheathed on the bottom outer rim of action body 3, but also mat spring 4 makes slip body 39 do up and down extension action in the outer rim of action body 3; When the utility model not during operating state, because action body 3 is contained in the accommodating body 200, and bead 391 backstops are in keeping off edge 350 times, action body 3 can't up be advanced, the top outer rim of body 3 of moving this moment is positioned at saturating empty circular hole 320 places of accommodating body 300 inner edges, steel ball 330 can be propped up outward, but push steel ball 330 stoppers that body 200 mats prop up outward in it presses sincere groove 220, make and push body 200 maintenances toward pressing down sincere state, pushing body 200 mats presses sincere 230 backstop on bead 340, can't down drop, the bottom of making kinetoplast 3 is positioned on fixed body 5 tops, after the utility model combination, the following screw thread 72 of connecting body 7 bottoms connects energy with the pneumatic tube B of incoming pressure, begins to bear powerful pressure and is armed state;

Consult Fig. 6, when pneumatic tube B begins incoming pressure, powerful pressure is all entered by connecting body 7 central slotted eyes 74, up impact backstop pad 6, when backstop pad 6 is up mobile, backstop pad 6 end faces will contact at contact jaw 54, the screw thread 55 of fixed body 5 is bolted in the internal thread 75 of connecting body 7 and fixes at this moment, fixed body 5 central conduits 51 bottoms are closed, this powerful pressure concentrates on the bottom of fixed body 5 and backstop pad 6, the purpose that fixed body 5 bottoms are set as pushing and drawing shape is to utilize the formed contact jaw 54 in the left and right sides closely to conflict with the end face of backstop pad 6, reaches the effect that confining pressure enters.

Consult Fig. 7, when major joint 1 carries out winding with time joint Y, inferior joint Y bottom connecting end 120 inserts in the accommodating body 300, owing to be equipped with action body 3 in the accommodating body 300, when connecting end 120 toward pressing down when sincere, make the set guiding seat 32 of body 3 inner edges with pressing moving, action body 3 down moves, because slip body 39 bottom peripheral edge are subjected to the backstop of connecting body 7 inner edges, it is sincere that the top is subjected to the pressure of spring 4, slip body 39 keeps motionless, when action body 3 is subjected to pressing sincere and down action, the contacting part 35 of action body 3 bottoms will move down and enter in the fixed body 5 central conduits 51, continue again by conduit 51 through contacting at backstop pad 6 end faces, make backstop pad 6 end faces break away from the contact jaw 54 of fixed body 5 bottoms, the prominent stop block of establishing 38 of mat action body 3 bottom outer rims, backstop is in fixed body 5 end faces, action body 3 can't be moved down again, make between central slotted eye 74 end faces in backstop pad 6 bottom surfaces and the connecting body 7 and leave some spans, pressure is entered in the action body 3 by the suction port 36 of the air inlet end 61 on four limits of backstop pad 6, enters in time joint Y again; Packing ring 53 prevents that pressure is by fixed body 5 inner edges and the 3 outer intermarginal losses of action body; The packing ring 371 of action body 3 bottoms and slip body 39 bottom gasket 392 prevent that pressure is by leaking therebetween, and the guiding body 321 in the action body 3 are when being connected with inferior joint Y, the effect of propping up and do not produce and rock, the stop tab 33 of guiding body 321 outer rims has the pressure leakage of preventing effect; When the connecting end 120 of inferior joint Y presses movings to make body 3 it is down moved, steel ball 330 moves toward interior, the sincere groove 220 of pressure of pushing body 200 breaks away from steel ball, make and push body 200 and up move, and steel ball 330 is moved toward interior, steel ball 330 will be placed in the snap groove 110 of time joint Y, and time joint Y is combined with accommodating body 300.

Consult Fig. 8, this backstop pad 6 is located in connecting body 7 inner edges, its four limit is provided with air inlet end 61, when action body 3 is subjected to pressing sincere when down moving, the contacting part 35 of action body 3 bottoms moves down and enters in the fixed body 5 central conduits 51, continues to contact at backstop pad 6 end faces again, and backstop pad 6 is down pressed, make the contact jaw 54 of end face disengaging fixed body 5 bottoms of backstop pad 6, pressure is entered in the action body 3 by air inlet end 61 suction ports 36 on backstop pad 6 four limits.

In sum, structural feature of the present utility model can provide a kind of structure-improved of snap joint, Have Quick connecting, laborsaving, easy operating, winding stable, do not produce and the advantage such as rock.

Claims

1. quick coupling device, comprise by push major joint that body, accommodating body, action body, slip body form and with the inferior joint of major joint winding, and the connecting body that is positioned at the major joint bottom, it is characterized in that, the bottom center of this action body is the contacting part of plane sealing, the outside of this action body become the inclined-plane and about offer the air inlet portion of suction port, it is provided with the stop block of groove and evagination by the bottom; Be provided with the fixed body that is the hollow sleeve shape below the slip body, this fixed body inner edge is provided with groove, and its bottom surface is pushing and drawing shape, its central left and right sides forms contact jaw, its outer periphery are provided with screw thread, are provided with the backstop pad below this fixed body, and the outer periphery of this backstop pad are provided with air inlet end.

2. quick coupling device as claimed in claim 1 is characterized in that being provided with packing ring in the described groove.

3. quick coupling device as claimed in claim 1, the guiding seat top that it is characterized in that described action body inner edge be to the upper process guiding body, the sheathed stop tab of the outer periphery of this guiding body.