CN2900993Y

CN2900993Y - Quick joint device

Info

Publication number: CN2900993Y
Application number: CN 200520045989
Authority: CN
Inventors: 谢滢峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-27
Filing date: 2005-10-27
Publication date: 2007-05-16
Anticipated expiration: 2015-10-27

Abstract

The utility model discloses a express connecting device which comprises a pipe joint member, a control shaft provided in the pipe joint member, a first resilient element sleeved on one end's outside of the control shaft, a joint body, one end of which is screwed on the pipe joint member, a second resilient element sleeved on the other end of the joint body, and a control sleeve. When the control sleeve is on the pre-travel displacement, the control sleeve and the control shaft engaged with a control steel ball do the corresponding movement of retraction and embossment, the utility model realizes the quick-acting fastening or breaking away from a input pipe member, resolving the weakness that the steadiness of a inserted tube element on the common express connecting device is not strong. The utility model is swifter, easier and steadier on the operation of combining pipe members.

Description

Quick coupling device

Technical field

The utility model relates to the technical field of rapid pipe joint, particularly a kind of piecing devices that are used for socket repeatedly, lock out operation between pipe fitting and pipe fitting.

Background technique

Rapid pipe joint is a kind of lens of being connected between pipe fitting and pipe fitting of being widely used in, its purpose of design is to provide the quick sleeve combined function of joint and pipe fitting, and its basic framework utilizes on usually steel ball blocking mode to realize fixing between joint and pipe fitting, and when separating pipe fitting, can implement fast equally, with convenience and the practicability that realizes that fast quick-detach gets loose between joint and pipe fitting.

As shown in Figure 1, a kind of have a quick sleeve, the rapid pipe joint of locating function, it is by a joint matrix 20, one setting sleeve 21 is formed, 21 of matrix 20 and setting sleeves also are with spring 22, use for setting sleeve 21 compressions and reset, and be provided with slotted eye in the appropriate location of matrix 20 and insert for steel ball 23, then be formed with in setting sleeve 21 relative position inboards and install edge 211, in matrix 20, be provided with a casting die 24 in addition, the lower end of casting die 24 is socketed with a spring 25, utilize this spring 25 can keep the position relation of casting die 24 and matrix 20, further support the outer rim of compeling steel ball 23 outstanding matrixes 20, this moment, the edge 211 that installs of setting sleeve 21 was positioned at slightly lower position of steel ball 23, when pipe fitting 26 inserts, at first contact casting die 24 and with it toward pressing down, the annular groove 261 for the treatment of pipe fitting 26 is during corresponding to steel ball 23 positions, promptly by matrix 20 outer rim springs 22 with upwards jackings of setting sleeve 21, and then the edge 211 pushing and pressing steel balls 23 that install of setting sleeve 21 are fastened in the annular groove 261 of pipe fitting 26, reach automatic positioning function, and desire is when separating pipe fitting 26, then pressing setting sleeve 21 shrinks back and makes it install edge 211 and break away from contact to steel ball 23, these casting die 24 below springs 25 are with up jacking of casting die 24 simultaneously, the power that bounces up by casting die 24 ejects matrix 20 with pipe fitting 26, finishes its lock out operation.

With regard to above-mentioned quick coupling device, it is in the sleeve operation of pipe fitting, directly pushing casting die with pipe fitting cooperates spring jacking setting sleeve and obtains the slotting locating function of cover automatically, provide and to have pressed the convenience that the operation setting sleeve is shunk back, but the steadiness of pipe fitting sleeve is not strong, and in the operation that pipe fitting separates, the direction that its location casing pressure is established different with the pipe fitting detaching direction and cause use inconvenient.

As shown in Figure 2, another known quick coupling device, it is the patent of the previous application of this creator, notification number is the structure improvement of 379797 rapid pipe joint, mainly be to cooperate a gland by a joint matrix, a member cover group such as setting sleeve forms, wherein this joint matrix has the three-stage type pipeline section of different size diameter, be with a spring and gland at the epimere pipeline section, and be buckled in matrix by a C type clasp and form gland spacing, to prevent that gland breaks away from, then can keep the cover group relation of gland and matrix by this spring, in addition, being equipped with a plurality of slotted eyes at matrix stage casing pipeline section can insert for steel ball, and this stage casing pipeline section also is arranged with spring, both ends of the spring is against respectively between the outer ring edge and setting sleeve inner edge ring edge of gland, make this setting sleeve be subjected to the interlock that presses of gland appropriateness, and the ring edge of setting sleeve and be formed with suitable tilted conical surface, can be when gland presses setting sleeve, by this tilted conical surface ejection steel ball of taking advantage of a situation, draw the setting sleeve of pulling then can break away from pushing and pressing to steel ball, constitute setting sleeve direction of operating and pipe fitting in view of the above and break away from the identical structure of direction, can make its socket and lock out operation more simple and easy and smoothly.

Though above-mentioned quick coupling device has the convenience in the use, but it is when socket, must make the convex ring edge 911 of pipe fitting 91 compress gland 92, the cover group that just can reach joint is fixed, thus its can socket pipe fitting just be restricted, promptly pipe fitting must have convex ring edge, just can compress gland, and when if the pipe fitting of socket does not have convex ring edge, joint just can't be fixed, and therefore is necessary it is done further improvement.

In view of this, this creator is according to the research and development of being engaged in relevant industries for many years and manufacturing experience, carry out deep discussion at the above-mentioned problem that quick coupling device faced, and actively seek solution according to aforementioned need, pass through long term studies and study, finally Cheng Gong the device of creating the utility model rapid pipe joint is to improve the defective of above-mentioned prior art.

Summary of the invention

The purpose of this utility model is to overcome the defective of above-mentioned prior art, and a kind of quick coupling device is provided.

The purpose of this utility model is achieved through the following technical solutions:

A kind of quick coupling device, it comprises that a pipe connector, one are located at Control Shaft in this pipe connector, one and are nested with joint body that the first bullet spare in this Control Shaft one end outside, an end and this pipe connector be spirally connected, one and are nested with in the second bullet spare and a control of this joint body the other end and overlap.

Wherein, the inner hollow of this Control Shaft, its end that is connected to this first bullet spare is provided with a plurality of outlets, and cover is covered with one and ends close liner, and its other end inside is plugged with an input pipe fitting.

Wherein, the other end of this joint body is provided with a plurality of hole of beads along its ring side face, and its outside is with two spacing linings, first coil and one second coil.

Wherein, an end of the inner wall of this control cover is a circular groove, and the other end is a pushing tow face, and the stage casing is a bevel phase.

Wherein, this pipe connector one end and the socket of an output body.

Wherein, the shaft rod upper sleeve of this Control Shaft is provided with a plurality of cushion rubbers, and respectively this outlet is to form in respectively between this cushion rubber.

Positive progressive effect of the present utility model is: the utility model is in the displacement of control interplanting predetermined stroke, the control cover cooperates the respective action that contracts or protrude in the control steel ball work with Control Shaft, realize fixing fast or breaking away from the input pipe fitting, overcome the common not strong shortcoming of quick coupling device sleeve pipe fitting steadiness, more rapid, easy and firm aspect the operation of group sleeve part.

Description of drawings

Fig. 1 is the perspective view of first kind of common quick coupling device.

Fig. 2 is the cross-sectional view of second kind of common quick coupling device.

Fig. 3 is a three-dimensional schematic representation of the present utility model.

Fig. 4 is a three-dimensional decomposition texture schematic representation of the present utility model.

Fig. 5 is a cross-sectional view of the present utility model.

Fig. 6 is with the cross-sectional view of input pipe fitting for the utility model.

Embodiment

Provide preferred embodiment of the present utility model below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail:

As Fig. 3-shown in Figure 6, a kind of quick coupling device, it comprises: pipe connector 30, Control Shaft 40, joint body 50, a control cover 60, and one first bullet spare 71, one second bullet spare 72, two spacing linings 73, wherein:

This pipe connector 30 is that screw rod use in a switching, its inner hollow, and one end and this are exported the socket of body (not shown), the other end this joint body 50 that then is spirally connected.

This Control Shaft 40 is a hollow axostyle, one end can end close liner 74 and this first bullet spare 71 is nested with for one than axial region 41 outer rims of path, and appropriate location offer the outlet 411, make this end an end of close liner 74 sheathed cushion rubbers 75, and group is placed in the relative pipe of this pipe connector 30, these Control Shaft 40 the other end inner edges are larger-diameter rooms 42, for an end group cover of the fixing input pipe fitting 76 of cover group.

This joint body 50 is for being the hollow pipe fitting of convex substantially, one end hexagon head inner edge is formed with the internal thread of establishing with this pipe connector 30 spiral shells, the other end near-end edge place then is formed with a plurality of hole of beads 51 along its ring side face, steel ball 77 for a plurality of location usefulness is ccontaining, simultaneously should end outer rim can be sheathed for these two spacing linings 73, and this second bullet spare 72 is placed on 73 of these two spacing linings, form groove 52 in these joint body 50 outer rim appropriate locations again, sheathed for one first coil 78, further that spacing lining 73 limits of an end are solid, spacing lining 73 positions of the other end are then by these control cover 60 restrictions.

This control cover 60 is a hollow sleeve, just can overlap and overlay on the outer rim of this joint body 50 than path one end, its inner rim wall two ends are formed with a circular groove 61 and a pushing tow face 62, an and bevel phase 63 that in the stage casing appropriate location forms, contracts, this circular groove 61 is to be provided with for one second coil 79, in order to limit the position of another spacing lining 73, and this pushing tow face 62 and this bevel phase 63 are adjacent settings, in these control cover 60 slippings, control these steel balls 77 and contract in doing or protrude the respective action in the hole of bead 51.

Therefore, when input pipe fitting 76 when cover is not organized in joint, this Control Shaft 40 is subjected to this first bullet spare, 71 pushing tows, and make the protruding liter of its room 42 1 ends in suitable place, 51 positions, the hole of bead of this joint body 50, keep out these steel ball 77 protruding joint body 50 inner edges that place by its outer edge surface, these protrude from the outer steel balls 77 in the hole of bead 51 and fasten with the bevel phase 63 of these control cover 60 inner edges and contact with season, the pushing tow face 62 that further makes this control cover 60 is to stroke of outer displacement, and the while is also compressed this second bullet spare 72 (as shown in Figure 5)

Secondly, when these input pipe fitting 76 1 end covers are organized in joint, the one end is to fasten in the room 42 of this Control Shaft 40, further pass stroke of these Control Shaft 40 displacements, in the time of these Control Shaft 40 displacements, these steel balls 77 promptly move to the hole of bead 51 convexes, and then fasten positioning ring groove 761 places in these input pipe fitting 76 correspondences, contract in the cover of this control simultaneously 60 invar pearls 77 and break away from the relation that fastens with its bevel phase 63, and the resiliency urged that is subjected to this first bullet spare 71, make it do answering of stroke and move, make these pushing tow face 62 retainings support these steel balls 77 and outwards protrude, reach the purpose of fixing this input pipe fitting 76.

In sum, control cover 60 of the present utility model drives in these steel ball 77 sliding motion processes, is set in this second bullet spare, 72 two ends by these two spacing linings 73, makes stirring of control cover 60 more smooth and easy, firm.

Claims

1, a kind of quick coupling device is characterized in that: it comprises that a pipe connector, one are located at Control Shaft in this pipe connector, one and are nested with joint body that the first bullet spare in this Control Shaft one end outside, an end and this pipe connector be spirally connected, one and are nested with in the second bullet spare and a control of this joint body the other end and overlap.

2, quick coupling device according to claim 1 is characterized in that: the inner hollow of this Control Shaft, and its end that is connected to this first bullet spare is provided with a plurality of outlets, and cover is covered with one and ends close liner, and its other end inside is plugged with an input pipe fitting.

3, quick coupling device according to claim 1 is characterized in that: the other end of this joint body is provided with a plurality of hole of beads along its ring side face, and its outside is with two spacing linings, first coil and one second coil.

4, quick coupling device according to claim 1 is characterized in that: an end of the inner wall of this control cover is a circular groove, and the other end is a pushing tow face, and the stage casing is a bevel phase.

5, quick coupling device according to claim 1 is characterized in that: this pipe connector one end and the socket of an output body.

6, quick coupling device according to claim 2 is characterized in that: the shaft rod upper sleeve of this Control Shaft is provided with a plurality of cushion rubbers, and respectively this outlet is to form in respectively between this cushion rubber.