CN206623952U - Separation type hydraulic check device - Google Patents

Abstract

The utility model provides a kind of separation type hydraulic check device, including a connection tube group and a hydraulic assembly.The connection tube group is made up of a body with reference to a joint, and the joint has the footpath hole of axis hole axis hole orthogonal with one, and the axis hole is orthogonal to footpath hole, and the footpath hole keeps being closed as normality.The hydraulic assembly has a cylinder body, and the cylinder body has a hydraulic cavities, an assembly chamber and the through hole of a connection hydraulic cavities and assembly chamber.An elastic component and a valve module are configured in hydraulic cavities, the valve module is driven by elastic component and the through hole of closed cylinder is normality.When the assembly chamber of connection tube group combination cylinder body, the joint produces interactive relationship with valve module, releases the sealing process of footpath hole and valve module, it is allowed to which fluid freely comes in and goes out connection tube group and hydraulic assembly.Even if connection tube group and hydraulic assembly separate, the joint recovers sealing process with valve module, avoids fluid seepage or overflows one of connection tube group and hydraulic assembly.

Description

Separation type hydraulic check device

Technical field

The Hydraulic Field of bicycle is the utility model is related to, is particularly related to a kind of using connection tube group and hydraulic assembly as core The hydraulic system collectively constituted.

Background technology

A kind of hydraulic bicycle system, while apply for China the 105775022nd and the U.S. the 2016/th

The patent publication such as No. 0200392.Briefly, this hydraulic bicycle system utilizes a normally closed port valve, Carry out the connector of sealed hydraulic bicycle system or part.Connector is combined by the end of body, to unlatching port valve, made Hydraulic fluid chambers communicate with tubular body.

Although body detaches the connector of connector, port valve meeting sealed hydraulic bicycle system or part, solves fluid Seepage or it is excessive the problem of.

But body end or joint are but without prevention fluid seepage or excessive construction.As long as leave connector, it is necessary to With lid or fixture closing the mouth of pipe, otherwise the fluid of tubular body will seepage or excessive, not only make dirty user or maintenance people Member clothing, can also pollute arround environmental sanitation.

Therefore, how to allow separation type hydraulic check device to become more to meet environmental requirement, just turn into the utility model urgently The problem of solution.

Utility model content

In consideration of it, the utility model provides new separation type hydraulic check device, its main purpose is：Using automatic close The construction of envelope, the separation of hydraulic bicycle system is efficiently solved, have that fluid for a long time is excessive or a drawback such as seepage.

Because of reaching for above-mentioned purpose, separation type hydraulic check device of the present utility model, including a connection tube group and one Hydraulic assembly.

The connection tube group includes：One body and a joint.The tubular body forms a runner.The joint includes：One is hollow Housing；One moving part, it can axially be moved by housing, and the moving part has the footpath of axis hole axis hole orthogonal with one Hole, the footpath hole are normality by housings close；One connecting piece, housing and body can be combined together, the connecting piece be it is hollow, Runner is set to be communicated with enclosure interior.

The hydraulic assembly includes：One cylinder body, it has a hydraulic cavities and an assembly chamber, and the two is linked together by a through hole； One inserts the elastic component of cylinder body；One inserts the valve module of hydraulic cavities, and it is normality that it, which is driven by elastic component and closed through hole,.

When connection tube group combination hydraulic assembly, the joint inserts assembly chamber, coordinates valve module to produce interactive close with moving part System, the sealing process of footpath hole and housing, valve module and through hole is released, connection tube group is kept unimpeded with hydraulic assembly, for fluid Freely come in and go out.

When connection tube group leaves hydraulic assembly, the joint is to separate with assembly chamber, releases moving part and valve module Interactive relationship, allow footpath hole and housing, valve module and through hole to recover sealing process, avoid fluid seepage or overflow connection tube group and liquid Press one of assembly.

Described separation type hydraulic check device, wherein, the housing has a first end face and a second end face, at the second end Face is absorbed in a room, room is formed at one the recreation room of enclosure interior by a undergauge hole and communicates；

The moving part has an axle and some arc blocks, and described axle has a first end and one second end, and the footpath hole is according to radius side To being located at axle at first end, the second end, and it is formed at by axis hole connection one breach at the end of axle second, some arc block edges Circumferencial direction protrudes from the first end appearance of axle, across a ditch between adjacent two arcs block；

When moving part is assembled in housing, the arc block limits the contracting that the second end of axle passes through housing close to the side in undergauge hole Footpath hole and outside the room, makes footpath hole rest on undergauge hole and produces sealing process；

When connection tube group combination hydraulic assembly, the second end of the axle touches valve module and produces interactive relationship, and related arc block is remote From the side in undergauge hole, the sealing process in undergauge hole is released, footpath hole, ditch is communicated with recreation room.

Described separation type hydraulic check device, wherein, each arc block is towards forming a groove at the second end of axle, it is allowed to One seal is inserted in the groove of each arc block；

When arc block is close to the side in undergauge hole, the seal is in close contact the side in undergauge hole, avoids the stream of recreation room Body penetrates into the footpath hole of axle.

Described separation type hydraulic check device, wherein, the connection tube group also has a rolled-up stock, and the rolled-up stock is incorporated into axle Expose the part of housing, the side in rolled-up stock cooperation undergauge hole inserts the spring generation squeezing action of room, the spring to one Axle is provided and drives active force of the arc block needed for together with seal displacement.

Described separation type hydraulic check device, wherein, the housing has an expanding hole, and the expanding hole is absorbed in the first of housing End face and communicated with recreation room；

The connecting piece has a head and an extension, and the head is structure as a whole with the extension, and the extension has always Hole, to connect a taper hole for being formed at head；

When connecting piece combination housing, the head is combined together by expanding Kong Eryu recreation rooms, is not influenceing moving part Under conditions of housing motion, the runner of extension insertion body is supported, body, connecting piece and housing is communicated with each other.

Described separation type hydraulic check device, wherein, the head maintains the relation that is spirally connected with recreation room.

Described separation type hydraulic check device, wherein, the housing has a projection, the second end of the projection close proximity Face, the diameter of the projection is also smaller than the diameter of housing, so that the adjoiner of housing and projection forms a shoulder, matches somebody with somebody so as to contact one Put the seal in projection；

When connection tube group combination hydraulic assembly, the shoulder promotes seal to press to the wall of assembly chamber, avoids fluid from overflowing cylinder Body or seepage.

Described separation type hydraulic check device, wherein, a circular conical surface is formed at the appearance of the projection, and a limiting groove is formed In the projection and the adjoiner of shoulder, locating effect is produced to the seal for being enclosed on limiting groove.

Described separation type hydraulic check device, wherein, the body is by the centre bore of an engaging member, at the end of centre bore Portion forms a cone wall, to touch a cone wall being formed at around housing first end face, seal is in close contact shoulder and group Fill the wall of room.

Described separation type hydraulic check device, wherein, the valve module has a check-valves and a ring body, and the check-valves is more Angle body, it has a plunger and a groove towards the position of through hole, and the groove is around the root of plunger, it is allowed to which ring body is inserted Groove；

When wall of the check valve configuration on the inside of the hydraulic cavities of cylinder body, each corner cooperation cylinder body, check-valves is limited along liquid The axial movement of chamber is pressed, strengthens the sealing effect of plunger blocking through hole with ring body；

Wall on the inside of connection tube group and hydraulic assembly maintenance unimpeded period, the side of the check-valves and cylinder body is present Gap, it is allowed to which fluid is freely come in and gone out hydraulic cavities by space.

In this way, separation type hydraulic check device of the present utility model, using self-sealing connection tube group and hydraulic assembly, Efficiently solve separation and produce that fluid is excessive or the drawback such as seepage.

Then, related embodiment is described in detail based on schema, illustrates technology, means and the effect used, it is believed that this practicality is new Type above-mentioned purpose, construction and feature, when can by obtain understand deeply and specifically.

Brief description of the drawings

Fig. 1 is the assembled sectional view of the utility model hydraulic non-return equipment first embodiment.

Fig. 2 is the exploded view of joint.

Fig. 3 is the stereogram of junction portion zero (group) part.

Fig. 4 is the assembled sectional view of joint.

Fig. 5 is the local assembled sectional view of hydraulic non-return equipment.

Action diagram when Fig. 6 is hydraulic non-return equipment separation.

Fig. 7 is the local sectional view of hydraulic assembly.

Fig. 8 is the assembled sectional view of connection tube group combination clamp.

Fig. 9 is the schematic diagram that connection tube group separates with clamp.

Figure 10 is the sectional view on housing in the utility model hydraulic non-return equipment second embodiment.

Figure 11 is the phantom after the combination of hydraulic non-return equipment second embodiment.

Description of reference numerals：Connection tube group 10；Centre bore 11；Body 12；External screw thread 13A, 13B；Runner 14；Cone wall 15, 21；Engaging member 16；Seal 17；Joint 18；Housing 20；First end face 20A；Second end face 20B；Projection 22,22A；Circular conical surface 22B；Limiting groove 22C；Shoulder 23；Expanding hole 24；Internal thread 25A, 25B, 25C；Recreation room 26；Undergauge hole 27；Room 28；Side 29；Moving part 30；Axle 31；First end 32；Second end 33；Arc block 34；Ditch 35；Groove 36；Axis hole 37；Footpath hole 38A, 38B；Lack Mouth 39；Rolled-up stock 40；Spring 41；Seal 42；Connecting piece 50；Head 51；Extension 52；Expanding end 53；Undergauge end 54；Directly Hole 56；Taper hole 57；Hydraulic assembly 60；Cylinder body 61；Hydraulic cavities 62；Assembly chamber 63；First end 64；Second end 65；Through hole 66；Bullet Property part 67A, 67B；Piston 70；Piston shaft 71；Protecgulum 72；Front seal 73；Circular groove 74；Rear seal 75；Articulation structure 76；Valve Component 80；Check-valves 81；Sealed end 82；The back side 83；Spring post 84；Plunger 85；Groove 86；Ring body 87；Corner 88；Space 89； Hand seat 90；Pivot 91；Fixed pawl 92；Regulating bolt 93；Adjustment portion 94；Axle sleeve 95；Axle block 96；Attachment structure 97；Clamp 100； Access port 101.

Embodiment

It is by a connection tube group 10 and one referring to Fig. 1, illustrating the concrete structure of hydraulic non-return equipment first embodiment Hydraulic assembly 60 collectively constitutes, and can separate and individualism, and can apply in conjunction with each other mountain bike, highway car or other Possess bicycle of the machinery (such as cable, hydraulic pressure, pneumatic) with on-mechanical (such as wired, wireless) drive system.

Wherein, the connection tube group 10 has a body 12, and the body 12 is flexible, and it is internally formed a runner 14, to Connect a joint 18.In addition, an engaging member 16 is configured outside body 12, connection tube group 10 is contributed to be formed with reference to hydraulic assembly 60 Separation type hydraulic check device.

In Fig. 2-Fig. 4, the joint 18 is subdivided into a housing 20, a moving part 30, a spring 41 and a connecting piece 50 etc. Element.

The housing 20 has a first end face 20A and a second end face 20B, and sequentially forms the one of different-diameter along axial direction Expanding hole 24, a recreation room 26, a undergauge hole 27 and a room 28, collectively form hollow housing 20.Wherein, the room 28 is fallen into Enter the second end face 20B of housing 20, it is linked together with the recreation room 26 inside housing 20 by undergauge hole 27, three's phase each other It is logical.Because the diameter in undergauge hole 27 is less than the diameter of recreation room 26 or room 28, the side 29 of the both sides of undergauge hole 27 is served as Recreation room 26 or the wall of the depths of room 28.In addition, the expanding hole 24 is absorbed in the first end face 20A of housing 20, work is had a diameter larger than The diameter of dynamic room 26, the two communicates with each other.The recreation room 26 forms one section of internal thread 25A in the wall close to expanding hole 24.

Cut from the angle of appearance profile, the housing 20 has a cone wall 21 and a projection 22.The cone wall 21 is formed at housing Around 20 first end face 20A, and the diameter for boring wall 21 is more shorter close to first end face 20A, is more cured close to second end face 20B It is long.The diameter of the projection 22 is also smaller than the diameter of housing 20, and it makes housing 20 and the adjoiner of projection 22 close to second end face 20B A shoulder 23 approximately along radial direction extension is formed, to contact seal 17 of the configuration in projection 22 (see Fig. 5, figure 6)。

In the present embodiment, the seal 17 is plastic cement or the integrally formed O-ring of high molecular polymer, and the O shape ring sets exist Outside projection 22, shoulder 23 is but hampered by.

The moving part 30 has an axle 31, and the axle 31 has a first end 32 and one second end 33, in axle 31 between first, second Two footpath hole 38A, 38B are formed at end 32,33.These footpath hole 38A, 38B one it is imaginary diametrically, therefore each footpath hole 38A, Walls of the 38B according to radial direction by axle 31, one is orthogonal to axially through the axis hole 37 in the center of axle 31, and then connect two and formed Breach 39 in the end 33 of axle 31 second.Because the diameter of axle 31 is also smaller than the diameter in undergauge hole 27, moving part 30 can pass through Housing 20 and move back and forth.

The moving part 30 also has some arc blocks 34, and these arc blocks 34 are along the circumferential direction protruded from outside the first end 32 of axle 31 Table, across a ditch 35 between adjacent two arcs block 34.When moving part 30 is assembled in 20 displacement of housing, the arc block 34 is close to undergauge hole 27 side 29, the second end 33 of axle 31 is limited by the undergauge hole 27 of housing 20 and outside room 28, makes footpath hole 38A, 38B It is normality to rest on undergauge hole 27 and produce sealing process.

Moving part 30 is allowed to keep the power of closed state, the active force from a spring 41.In the present embodiment, the spring 41 be compression spring, and compression spring is enclosed on axle 31 and inserts room 28, and its one end props up the side 29 in undergauge hole 27, other end top A rolled-up stock 40 for being incorporated into axle 31, there is provided axle 31 drives arc 34 active force needed for together with the displacement of a seal 42 of block.

Rolled-up stock 40 referred to herein, refer to nut or possess internal thread 25B spiro connecting piece.The rolled-up stock 40 is locked in axle 31 surfaces form one section of external screw thread 13B, and it coordinates the common extrusion spring 41 in side 29 in undergauge hole 27.In this way, the spring 41 drives Moving axis 31 is in close contact the side 29 in undergauge hole 27 with respect to the displacement of housing 20, related seal 42, avoids fluid from penetrating into or overflow Recreation room 26, undergauge hole 27 and footpath hole 38A, 38B of axle 31.

Seal 42 referred to herein, can be plastic cement or the integrally formed O-ring of high molecular polymer.The O-ring is put Enter multiple grooves 36 for being formed at arc block 34, each groove 36 is absorbed in arc block 34 towards at the second end 33 of axle 31.Therefore, should Seal 42 can reach the effect of sealing undergauge 27 side 29 of hole, and can is moved back with axle 31 as axle 31 is outside housing 20 Enter recreation room 26 to be partial at expanding hole 24, the unimpeded not raw influence of diameter hole 38A, 38B and recreation room 26.

The connecting piece 50 has an expanding undergauge end 54 of end 53 and one, and a head 51 is formed at expanding end 53, past from head 51 The direction of undergauge end 54 forms an extension 52, and the two is designed to one.It is rough outside the extension 52, in it Portion forms a straight hole 56, to connect a taper hole 57 for being formed at head 51, collectively forms hollow connecting piece 50.Work as extension Portion 52 inserts the runner 14 of body 12, and the housing 20 and body 12 are coupled part 50 (see Fig. 1) and be combined together, and make runner 14 Communicated with the expanding hole 24 inside housing 20.

In figure 6, the engaging member 16 has a centre bore 11, a cone wall 15 is formed in the end of centre bore 11, it is allowed to body 12 pass through the centre bore 11 of engaging member 16, the convenient cone wall 21 bored wall 15 and touch housing 20.As for the work(of these cone walls 15,21 Can, then when being left to the combination hydraulic assembly 60 of connection tube group 10, then it is further described.

Then Fig. 1, Fig. 4, Fig. 5, Fig. 7 are seen, described hydraulic assembly 60 includes：One cylinder body 61, a piston 70 and a valve Component 80.Wherein, described cylinder body 61 has a hydraulic cavities 62 and an assembly chamber 63, defines the end of hydraulic cavities 62 2 as first, second End 64,65, the first end 64 keeps unimpeded by a through hole 66 with assembly chamber 63.Therefore, the hydraulic cavities 62 and assembly chamber 63 that This is communicated.The assembly chamber 63 is hierarchical hole, maximum closer to the opening of cylinder body 61, diameter；More close to through hole 66, diameter is most It is small.But even the diameter of the minimum of assembly chamber 63, the still diameter than through hole 66 are big.

The piston 70 has a piston shaft 71, with piston shaft 71 against through hole 66, allows piston 70 to insert the hydraulic cavities of cylinder body 61 62, it can move back and forth in a startup position with a not actuated position.In order to prevent fluid from overflowing cylinder body 61 or seepage, after one Seal 75 is enclosed on a circular groove 74 for being formed at piston 70, is able to beyond the second end 65 of hydraulic cavities 62, the piston shaft 71 A front seal 73 is inserted, and the free end of piston shaft 71 is covered with a protecgulum 72, prevents front seal 73 from leaving piston shaft 71。

When starting position, the piston 70 is in pressurized state, so as to close to the first end 64 of hydraulic cavities 62.Because first End 64 is separated by a distance shorter with piston 70, reduces so the Fluid Volume of hydraulic cavities 62 is relative.

At not actuated position, the piston 70 is in draw state, and it falls back on the second end 65 of hydraulic cavities 62, makes hydraulic cavities The distance of 62 first end 64 to piston 70 is elongated, the Fluid Volume of relative increase hydraulic cavities 62.

In figure, the valve module 80 is made up of a check-valves 81 and a ring body 87, inserts the hydraulic cavities 62 of cylinder body 61 jointly, with It is normality that valve module 80, which closes through hole 66,.The check-valves 81 is considered as sealed end 82 in face of one end of through hole 66, in sealed end 82 There are a plunger 85 and a groove 86 in centre, and the groove 86 is around the root of plunger 85, it is allowed to which ring body 87 inserts groove 86.A spring post 84 is swelled at the back side 83 of the check-valves 81, with spring post 84 against protecgulum 72 (or piston shaft 71), supports one jointly Insert the elastic component 67A of hydraulic cavities 62.

In the present embodiment, the check-valves 81 is hexagonal body, and diagonal air line distance is slightly less than the diameter of the inner side of cylinder body 61, Therefore each corner 88 coordinates the wall of the inner side of cylinder body 61, axially reciprocating of the limitation check-valves 81 along hydraulic cavities 62, related post The discrepancy through hole 66 of plug 85.Meanwhile the check-valves 81 has the flat side in six faces, each side and the wall of the inner side concave curved of cylinder body 61 have one Just like semi-moon shaped space 89.

In some embodiments, the check-valves 81 can be trigone, square body, Pentagon or other polygonals Body.

In addition, elastic component 67A can be metal spring, reed, compression spring, non-metal elastomers or other tools The structure of standby elastic acting force.

When connection tube group 10 combines hydraulic assembly 60, it is separation type hydraulic check device that the two is charge-coupled.The joint 18 is inserted Assembly chamber 63, coordinate valve module 80 to produce interactive relationship with moving part 30, release footpath hole 38A and housing 20, valve module 80 with leading to The sealing process in hole 66, connection tube group 10 is kept unimpeded with hydraulic assembly 60, for fluid (along Fig. 5 arrow A, B directions) certainly Come in and gone out by ground.

From the point of view of Fig. 2, Fig. 5, the external screw thread 13A on the surface of engaging member 16, lock cylinder body 61 and be arranged in the interior of assembly chamber 63 Screw thread 25C.Under the staggeredly effect of cone wall 15,21, it is (i.e. close that the engaging member 16 promotes housing 20 to enter the depths of assembly chamber 63 Through hole 66), seal 17 is in close contact shoulder 23 and 63 corresponding wall of assembly chamber, prevent fluid from penetrating into or overflowing cylinder body 61 Outside.

Meanwhile the contact plunger 85 of the second end 33 of the axle 31, cause spring 41 to be contended with each other with elastic component 67A, under generation The interactive relationship of row：

At the aspect of connection tube group 10：The axle 31 is retracted into recreation room 26, until arc block 34 is hampered by the head 51 of connecting piece 50 Untill, related footpath hole 38A, 38B are all or part leaves the wall of the inner side of undergauge hole 27.This moment, the spring 41 is pressed part 40 Crimp, savings moving part 30 playback required active force.The seal 42 leaves the side in undergauge hole 27 with arc block 34 simultaneously Side 29, no longer isolate recreation room 26 and undergauge hole 27.

In this way, the connection tube group 10 is unimpeded.Along Fig. 5 arrow A directions, fluid from axis hole 37 via footpath hole 38A, 38B branches to recreation room 26, by the taper hole 57 of the steering head 51 of ditch 35 of each arc block 34, then flows into the straight hole of extension 52 56 with the runner 14 of body 12.

At the aspect of hydraulic assembly 60：Because moving part 30 is no longer shunk back, plunger 85 is released by the second end 33 of axle 31 Through hole 66, check-valves 81 is driven to be retracted into hydraulic cavities 62.The ring body 87 together with check-valves 81 sealed end 82 away from hydraulic cavities 62 First end 64, through hole 66 and hydraulic cavities 62 will not be separated.

Therefore, the hydraulic assembly 60 is also unimpeded.Along Fig. 5 arrow B directions, fluid is from axis hole 37 via breach 39 Each space 89 (see Fig. 7) is diverted to, is able to the hydraulic cavities 62 that freely come in and go out.

As shown in Fig. 2, Fig. 6, when hydraulic non-return equipment separates, the connection tube group 10 leaves hydraulic assembly 60.The joint 18 with assembly chamber 63 be to separate, and releases the interactive relationship of moving part 30 and valve module 80, allow footpath hole 38A, 38B and housing 20, Valve module 80 recovers sealing process with through hole 66, avoids fluid seepage or overflows one of connection tube group 10 and hydraulic assembly 60.

At the aspect of connection tube group 10：The engaging member 16 unscrews, and releases the external screw thread 13A and internal thread 25C pass that is spirally connected System.The joint 18 leaves the assembly chamber 63 of cylinder body 61 with body 12.The rolled-up stock 40 is pushed away the second of housing 20 by spring 41 End face 20B, housing 20 is set mutually to be moved with moving part 30, untill the two offsets and not reoperated.The arc block 34 is close to undergauge The side 29 in hole 27, the side 29 in the seal 42 contact undergauge hole 27, and then isolate recreation room 26 and undergauge hole 27.This moment, The footpath hole 38A, 38B enter in undergauge hole 27, are closed as normality by housing 20 again.

In this way, the end of the connection tube group 10 is closed.Fluid passes through the straight of extension 52 from the runner 14 of body 12 Hole 56 flows to recreation room 26, can not but be flowed out via footpath hole 38A, 38B outside axis hole 37.

At the aspect of hydraulic assembly 60：Elastic component 67A loses contending with for joint 18 (i.e. moving part 30), can promote check-valves 81 towards the displacement of assembly chamber 63, untill plunger 85 inserts through hole 66.Check-valves 81 sealed end 82 close to hydraulic cavities 62 First end 64 when, the ring body 87 contact first end 64 wall and separate through hole 66 and hydraulic cavities 62, with valve module 80 closing lead to Hole 66 is normality.

Therefore, the hydraulic assembly 60 is also closed.Fluid can only be stored in the hydraulic cavities 62 of cylinder body 61, but can not be from group Room 63 is filled to flow out outside cylinder body 61.

In Fig. 1, the hydraulic assembly 60 is configured on a bicycle (schema is not painted).Specifically, described bicycle Leader's seat 90 is configured, the handle base 90 has a fixed pawl 92 and an attachment structure 97.The attachment structure 97 can be fixture, use Handle base 90 is fixed on the vehicle frame of bicycle, for example handle or other can control the operating parts of direction of traffic.

The fixed pawl 92 is connected on handle base 90 by a pivot 91, and an axle block 96 can be driven to be justified around pivot 91 Zhou Yundong.Around axle block 96, the two is installed on fixed pawl 92 and can rotated one axle sleeve 95.One regulating bolt 93 has two ends, One end maintains an articulation structure 76 by the second end 65 of hydraulic cavities 62, and with piston 70.The other end of regulating bolt 93 is formed One adjustment portion 94, with adjustment portion 94 by axle sleeve 95 and axle block 96, receive the moment of torsion of an instrument (figure is not painted), change joint knot Structure 76 to axle block 96 distance.Therefore, the fixed pawl 92 possesses continuous action relation with piston 70.

From the point of view of Fig. 8, Fig. 9, hydraulic assembly 60A is easy, is made up of cylinder body 61, valve module 80 and elastic component 67B, It can be converted on a fluid pressure type clamp 100 of bicycle.In the present embodiment, the cylinder body 61 is single, can combine clamp 100 An access port 101, make hydraulic cavities 62 with being communicated inside clamp 100.Although elastic component 67B equally inserts cylinder body 61 Hydraulic cavities 62, but between the wall and check-valves 81 of cylinder body 61, still provide work of the plunger needed for together with ring body closing through hole 66 Firmly.

The other end of body 12 configuration identical engaging member 16 and joint 18, can also be formed such as foregoing connection tube group 10.Therefore, the connection tube group 10 combines hydraulic assembly 60A, and the joint 18 is interactive with valve module 80 and releases sealing process, makes rank Adapter group 10 communicates with hydraulic assembly 60A, is freely come in and gone out for fluid.

Even if connection tube group 10 leaves hydraulic assembly 60A, the valve module 80 can still close through hole 66, avoid fluid overflow or Penetrate into the access port 101 of clamp 100.

Figure 10, Figure 11 are the second embodiments of hydraulic non-return equipment, and its structure is roughly the same with the first implementation, and difference is in In：First, a circular conical surface 22B is formed at projection 22A appearance.Handed in the cone wall 21 of the cone wall 15 and housing 20 of engaging member 16 Under mistake promotes, circular conical surface 22B is abreast close to 63 corresponding wall of assembly chamber.

Secondly, a limiting groove 22C is formed at projection 22A and shoulder 23 adjoiner, the sealing to being enclosed on limiting groove 22C Body 17 produces locating effect.In walls of the circular conical surface 22B close to assembly chamber 63, the seal 17 is squeezed by housing 20 and cylinder body 61 Compressive strain, hydraulic assembly 60 can be equally allowed to obtain the guarantee that prevention fluid penetrates into or overflowed.

Claims (10)

1. A kind of 1. separation type hydraulic check device, it is characterised in that including：

   One connection tube group (10), including：One body (12), it is internally formed a runner (14)；One joint (18), it includes one again Hollow housing (20) and a moving part (30), the moving part (30) can axially be moved by housing (20), the gearing Part (30) has the footpath hole (38A) of an axis hole (37) axis hole (37) orthogonal with one, and the footpath hole (38A) is closed as often by housing (20) State；One connecting piece (50), housing (20) and body (12) can be combined together, the connecting piece (50) is hollow, makes stream Road (14) inside housing (20) with communicating；

   One hydraulic assembly (60), including：One cylinder body (61), it has a hydraulic cavities (62) and an assembly chamber (63), the hydraulic cavities (62) linked together with the assembly chamber (63) by a through hole (66)；One inserts the elastic component of cylinder body (61)；One inserts hydraulic cavities (62) valve module (80), it is normality that it, which is driven by elastic component and closed through hole (66),；

   When connection tube group (10) combines hydraulic assembly (60), the joint (18) inserts assembly chamber (63), is coordinated with moving part (30) Valve module (80) produces interactive relationship, releases footpath hole (38A) and housing (20), the closing of valve module (80) and through hole (66) are made With making connection tube group (10) and hydraulic assembly (60) keep unimpeded, freely come in and gone out for fluid；

   When connection tube group (10) leaves hydraulic assembly (60), the joint (18) and assembly chamber (63) are to separate, and release and interlock The interactive relationship of part (30) and valve module (80), footpath hole (38A) and housing (20), valve module (80) is allowed to recover to seal with through hole (66) The effect of closing, avoid fluid seepage or overflow one of connection tube group (10) and hydraulic assembly (60).
2. 2. separation type hydraulic check device according to claim 1, it is characterised in that the housing (20) has a first end face (20A) and second end face (20B), is absorbed in a room (28) in second end face (20B), makes room by a undergauge hole (27) (28) the internal recreation room (26) of housing (20) is formed at one to communicate；

   The moving part (30) has an axle (31) and some arc blocks (34), and described axle (31) has a first end (32) and one second end (33), the footpath hole (38A) is located at axle (31) between first end (32), the second end (33) place according to radial direction, and passes through axis hole (37) connection one is formed at the breach (39) at the end (33) of axle (31) second, and some arc blocks (34) along the circumferential direction protrude from axle (31) first end (32) appearance, across a ditch (35) between adjacent two arcs block (34)；

   When moving part (30) is assembled in housing (20), the arc block (34) is close to the side (29) in undergauge hole (27), limitation axle (31) The second end (33) by the undergauge hole (27) of housing (20) and beyond room (28) outside, footpath hole (38A) is rested on undergauge hole (27) sealing process is produced；

   When connection tube group (10) combines hydraulic assembly (60), the second end (33) of the axle (31) touches valve module (80) and produces interaction Relation, side (29) of the related arc block (34) away from undergauge hole (27), releases the sealing process of undergauge hole (27), makes footpath hole (38A), ditch (35) communicate with recreation room (26).
3. 3. separation type hydraulic check device according to claim 2, it is characterised in that each arc block (34) is towards axle (31) The second end (33) place formed a groove (36), it is allowed to a seal (42) is inserted in the groove (36) of each arc block (34)；

   When arc block (34) is close to side (29) in undergauge hole (27), the seal (42) is in close contact the side of undergauge hole (27) (29) fluid of recreation room (26), is avoided to penetrate into the footpath hole (38A) of axle (31).
4. 4. separation type hydraulic check device according to claim 3, it is characterised in that the connection tube group (10) also has a pressure Product (40), the rolled-up stock (40) are incorporated into the part that axle (31) exposes housing (20), and the rolled-up stock (40) coordinates undergauge hole (27) spring (41) that side (29) inserts room (28) to one produces squeezing action, and the spring (41) provides axle (31) and driven Active force of the arc block (34) needed for together with seal (42) displacement.
5. 5. separation type hydraulic check device according to claim 2, it is characterised in that the housing (20) has an expanding hole (24), the expanding hole (24) is absorbed in the first end face (20A) of housing (20) and communicated with recreation room (26)；

   The connecting piece (50) has a head (51) and an extension (52), and the head (51) is integrated knot with the extension (52) Structure, the extension (52) have a straight hole (56), to connect a taper hole (57) for being formed at head (51)；

   When connecting piece (50) combines housing (20), the head (51) is incorporated in one by expanding hole (24) with recreation room (26) Rise, under conditions of moving part (30) is not influenceed with respect to housing (20) motion, support the stream of extension (52) insertion body (12) Road (14), body (12), connecting piece (50) and housing (20) is set to communicate with each other.
6. 6. separation type hydraulic check device according to claim 5, it is characterised in that the head (51) and recreation room (26) Maintenance is spirally connected relation.
7. 7. separation type hydraulic check device according to claim 2, it is characterised in that the housing (20) has a projection (22), the second end face (20B) of projection (22) close proximity (20), the diameter of the projection (22) than housing (20) diameter also It is small, so that the adjoiner of housing (20) and projection (22) forms a shoulder (23), so as to contact a configuration in the close of projection (22) Seal body (17)；

   When connection tube group (10) combines hydraulic assembly (60), the shoulder (23) promotes seal (17) to press to assembly chamber (63) Wall, fluid is avoided to overflow cylinder body (61) or seepage.
8. 8. separation type hydraulic check device according to claim 7 a, it is characterised in that circular conical surface (22B) is formed at this The appearance of projection (22A), a limiting groove (22C) is formed at the adjoiner of the projection (22A) and shoulder (23), to being enclosed on limiting groove The seal (17) of (22C) produces locating effect.
9. 9. separation type hydraulic check device according to claim 7, it is characterised in that the body (12) passes through an engaging member (16) centre bore (11), a cone wall (15) is formed in the end of centre bore (11), housing (20) the is formed to touch one Cone wall (21) around end face (20A), seal (17) is set to be in close contact shoulder (23) and the wall of assembly chamber (63).
10. 10. separation type hydraulic check device according to claim 1, it is characterised in that the valve module (80) has a non-return Valve (81) and a ring body (87), the check-valves (81) is polygonal body, its towards the position of through hole (66) have a plunger (85) and One groove (86), the groove (86) is around the root of plunger (85), it is allowed to which ring body (87) inserts groove (86)；

    When hydraulic cavities (62) of check-valves (81) configuration in cylinder body (61), each corner (88) coordinates the wall on the inside of cylinder body (61), Axial movement of the check-valves (81) along hydraulic cavities (62) is limited, strengthens the envelope of plunger (85) blocking through hole (66) with ring body (87) Close effect；

    On the inside of connection tube group (10) and hydraulic assembly (60) maintenance unimpeded period, the side of the check-valves (81) and cylinder body (61) There are a space (89) in wall, it is allowed to which fluid is freely come in and gone out hydraulic cavities (62) by space (89).