CN208233276U - The braking oil pipe joint device of bicycle - Google Patents

Abstract

A kind of braking oil pipe joint device of bicycle, include the first connector with the second connector to concatenate connection brake oil pipe, which includes one first outer tube and one first inner tube；Second connector includes one second outer tube and a connecting tube.When providing brake oil pipe separation its junction portion can voluntarily envelope group brake fluid flowing, help to clean maintenance, reach the utility model aim and effect.

Description

The braking oil pipe joint device of bicycle

Technical field

The utility model is the connector about brake oil pipe, is especially applied in the hydraulic brake system of bicycle, tool Have can be used with Rapid Combination and connector separation after can prevent oil pipe occur oil liquid weeping.

Background technique

The brake system configured on bicycle is to provide rider, controls the main of vehicle travel speed and safety traffic Means.Oil pressure braking is mainly the master cylinder and oil-pressure caliper for utilizing the both ends of oil pipe to connect handlebar, and rider withholds Master cylinder is operated, the oil liquid part in master cylinder is squeezed into the oil pocket of brake binder through oil pipe, and makes oil-pressure caliper by oil pocket The disc of wheel side is clipped after pushing and pressing, is even stopped operating so that wheel is reduced, is directly reached by surface of tyre and ground friction To the operation slowed down or stopped.Since brake oil liquid is not easy compression property and possesses excellent operation feel, not by cataclysm weather with And the muddy water in the rugged section of traveling influences operation, be widely used in fierce behaviour drive and the bicycle of the purposes such as road bump on, Therefore hydraulic disc brake configures use extensively.

Although oil pressure braking has the above advantages and effectiveness, in operations such as maintenance cleanings compared to other brakes For system, but seem fairly cumbersome.Such as the replacement of brake fluid, oil pipe or the cleaning of oil-pressure caliper and master cylinder are maintained, Reason is that oil pipe is disposed on cycle frame, needs distinctly to extract brake fluid to brake binder and master cylinder when replacing oil pipe Afterwards, old product being unloaded rapidly and replacing new product oil pipe, the moment of brake binder or master cylinder is otherwise detached from oil pipe, remains on brake clip Permeability or drippage occur for the brake fluid of device or master cylinder on bicycle or ground, often leading to subsequent clean trouble, or even need Important affair is prior to ground tiling newspaper or discarded cloth.Or individually oil-pressure caliper, master cylinder are cleaned in maintenance, equally must also carry out above-mentioned pumping The work of brake fluid is taken, foregoing problems and puzzlement can be also met with.

Utility model content

Technical problem underlying to be solved in the utility model is, overcomes drawbacks described above of the existing technology, and mentions For a kind of braking oil pipe joint device of bicycle, when brake oil pipe separates its junction portion can voluntarily envelope group brake fluid stream It is dynamic, help to clean maintenance.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of braking oil pipe joint device of bicycle includes that one first connector is connected to one second connector to concatenate Brake oil pipe, in which: first connector includes one first outer tube and one first inner tube, and first outer tube is logical with an outer tube Road, the first inner tube group are assigned in the outer tube passage, and first inner tube has an inner tube runner, and first inner tube is in its week Side is equipped with several side openings and is connected to the inner tube runner and the outer tube passage；The first inner tube peripheral side is slidably equipped with a piston group simultaneously Normality envelope group several side openings, and the peripheral side of the piston group is close to be butted on the inner wall of the outer tube passage and distinguish the outer tube to lead to Road is a leading portion channel and a back segment channel, and first inner tube has the pushing end positioned at the leading portion channel；This second connects Head includes one second outer tube and a connecting tube, which is assigned in second outer tube, the connecting tube other end It is then pierced by second outer tube outwardly extending one and fills in section, and there is a connecting passage in the connecting tube and axially penetrate through this and fill in Section, is slidably equipped with a non-return piston group in the connecting passage and normality closes an opening of the connecting passage；The connecting tube is filled in Section penetrates in the leading portion channel, and this is filled in section and supports not-go-end with one and push against the piston group towards back segment channel direction cunning It moves, so that several side openings are not closed by piston group, and the pushing end of first inner tube penetrates the opening of the connecting passage and pushes away It is moved back to the non-return piston group towards the second outer tube direction, so that the connecting passage, several side openings and the inner tube runner are in each other Communicating state.

The braking oil pipe joint device of aforementioned bike, wherein first outer tube has an internal screw thread hole section and in communication with this The back segment channel of outer tube passage, and first inner tube has the extended segment being connected and an external thread section, the external thread section spiral shell Together in the internal screw thread hole section, and the extended segment is extended by the back segment channel towards leading portion channel, which is located at the extended segment Side.

The braking oil pipe joint device of aforementioned bike, wherein the piston group is slidedly arranged on the extended segment, and the piston group packet The leak-stopping ring seat mutually assembled and a leak-stopping ring set are included, and is located at built in the leak-stopping ring seat and leak-stopping ring set composition one Several seal rings of slot, the leak-stopping ring set separately have a leak-stopping bullet towards the back segment channel towards the leading portion channel, the leak-stopping ring seat Spring is butted in the leak-stopping ring seat and the external thread section, so that its inner ring surface normality of several seal rings is closed in position on the outside of the side opening It sets.

The braking oil pipe joint device of aforementioned bike, wherein the connecting tube, which has, fills in the connection that section is connected with this Section, it is screwed togather on the outside of the linkage section and is fixed on second outer tube wall.

The braking oil pipe joint device of aforementioned bike, wherein the non-return piston group includes that a non-return sphere and one stop Inverse spring, the non-return sphere was close to should support end stop position, and the non-return spring is butted in the non-return sphere and the linkage section, so that The non-return sphere normality closes the opening of the connecting passage.

The braking oil pipe joint device of aforementioned bike, wherein the pushing end of first inner tube is equipped with the corresponding reverse stopping ball body Pouch in the one of its spherical surface.

The braking oil pipe joint device of aforementioned bike, wherein the opening inner edge of the connecting passage is configured with a guiding lantern ring It is sticked to each other with a non-return lantern ring, and the guiding lantern ring supports end stop position close to this compared with the non-return lantern ring, and this is non-return Sphere normality closes the non-return lantern ring in the connecting passage.

The braking oil pipe joint device of aforementioned bike, wherein the first outer tube peripheral side is slidably equipped with an outer throw-out collar, and One outer tube side is equipped with the several taper holes for being connected to the leading portion channel, and several taper holes respectively configure a positioning ball and by the extrapolation The inner wall of ring pushes against, and be displaced towards the leading portion channel and fasten in this fill in section peripheral side it is circular one position it is recessed.

The braking oil pipe joint device of aforementioned bike, wherein the first outer tube is equipped at intervals with an outer ring protrusion and an outer ring Recess portion is separately fastened on the outer circular rabbet with a c shape button, and the inner ring surface of the outer throw-out collar is equipped with an inner ring protrusion and to be located at this outer Between ring convex portion and the outer circular rabbet, and the inner ring protrusion have opposite one first confined planes and the second confined planes, separately with One extrapolation spring pocket is set on the first outer tube and both ends are resisted against first confined planes of the outer ring protrusion Yu inner ring protrusion respectively, so that Second confined planes normality of the outer throw-out collar is resisted against the c shape button side.

The utility model has the beneficial effects that when brake oil pipe separates its junction portion can voluntarily envelope group brake fluid stream It is dynamic, help to clean maintenance.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the first connector of the utility model and the still unassembled stereoscopic schematic diagram of the second connector.

Fig. 2 is the utility model combination stereoscopic schematic diagram.

Fig. 3 is the first connector of the utility model and the still unassembled diagrammatic cross-section of the second connector.

Fig. 4 is the first connector of the utility model and the second connector engaging process, and moves the diagrammatic cross-section of outer sleeve.

Fig. 5 is the diagrammatic cross-section after the first connector of the utility model is engaged with the second connector.

Fig. 6 is the diagrammatic cross-section of the first connector of the utility model and the second connector exploded.

Fig. 7 is the exploded perspective schematic diagram that the utility model stop collar is not combined in the first connector.

Figure label explanation:

1 first connector, 11 first outer tube

111 outer tube passage 111a leading portion channels

112 internal screw thread hole section of 111b back segment channel

113 taper hole, 114 outer ring protrusion

115 outer 12 first inner tubes of circular rabbet

121 inner tube runner, 122 side opening

123 pushing end, 124 extended segment

Pouch in 125 external thread sections 126

2 second connector, 21 second outer tube

22 connecting tubes 221 fill in section

222 connecting passages 223 opening

224 support 225 linkage section of not-go-end

The recessed 23 guiding lantern ring of 226 positioning

24 non-return 3 brake oil pipes of lantern ring

4 piston group, 41 leak-stopping ring seat

42 leak-stopping ring set, 43 built-in slot

44 seal ring, 45 leak-stopping spring

The 5 non-return spheres of non-return piston group 51

The 52 outer throw-out collars of non-return spring 6

61 positioning ball 62c shape buttons

63 inner ring protrusion, 64 first confined planes

65 second confined planes 66 extrapolation spring

7 limit latch closures

Specific embodiment

Shown in please referring to Fig.1 to Fig.3, a kind of braking oil pipe joint device of bicycle is disclosed in figure, includes one first Connector 1 is with one second connector 2 to concatenate connection brake oil pipe 3.

First connector 1 includes one first outer tube 11 and one first inner tube 12, and first outer tube 11 is logical with an outer tube Road 111,12 groups of first inner tube are assigned in the outer tube passage 111, and first inner tube 12 has an inner tube runner 121, and should First inner tube 12 is equipped with several side openings 122 in its side and is connected to the inner tube runner 121 and the outer tube passage 111.

First inner tube, 12 peripheral side is slidably equipped with a piston group 4 and normality envelope group several side openings 122, and the piston group 4 Peripheral side be close to be butted on the outer tube passage 111 inner wall and distinguish the outer tube passage 111 be a leading portion channel 111a and one Back segment channel 111b, and first inner tube 12 has the pushing end 123 positioned at leading portion channel 111a.

Second connector 2 includes one second outer tube 21 and a connecting tube 22, the 22 one end group of connecting tube assigned in this In two outer tubes 21, which is then pierced by second outer tube 21 outwardly extending one and fills in section 221, and the connecting tube There is a connecting passage 222 in 22 and axially penetrate through this and fill in section 221, a non-return piston group 5 is slidably equipped in the connecting passage 222 And normality closes an opening 223 of the connecting passage 222.

The section 221 of filling in of the connecting tube 22 penetrates in the 111a of the leading portion channel, and this is filled in section 221 and supports not-go-end with one 224 and push against the piston group 4 towards the back segment channel direction 111b slide so that several side openings 122 are not by 4 envelope of piston group It closes, and the pushing end 123 of first inner tube 12 penetrates the opening 223 of the connecting passage 222 and pushes against the non-return piston group 5 towards Two outer tubes, 21 direction moves back, so that the connecting passage 222, several side openings 122 are with the inner tube runner 121 in the shape that communicates with each other State.

Please refer to shown in Fig. 3, disclose the utility model before the first connector 1 does not combine with the second connector 2 (that is, It is equal to after the first connector 1 is combined with the second connector 2 and is pulled out separated state).4 normality envelope group number of piston group is disclosed in figure A side opening 122 is simultaneously located at outer 111 position of tube passage, its internal brake fluid of the connected brake oil pipe 3 of such first connector 1 can not Outer 111 position of tube passage is flowed to through side opening 122.And non-return piston group 5 is then the opening 223 that normality closes the connecting passage 222, So that its internal brake fluid of the connected brake oil pipe 3 of the second connector 2 can not flow outward through the opening 223 of connecting passage 222. First connector 1 known to so takes non-dependent 3 internal pressure of brake oil pipe, and forms voluntarily 122 position of envelope group side opening of piston group 4 Technology, and the second connector 2 is then to take to push against non-return 5 envelope group connection flow of piston group using 3 internal pressure normality of brake oil pipe The opening 223 in road 222, so different technological means, which is respectively adopted, with the second connector 2 in the first connector of the utility model 1 prevents The outside flow phenomenon of brake fluid facilitates the hydraulic brake system for cleaning maintenance bicycle, to reach the utility model Purpose and effect.

The braking oil pipe joint device of the utility model bicycle further comprises having following technical characteristic and please cooperating ginseng It reads shown in fig. 4 to fig. 6.First outer tube 11 has an internal screw thread hole section 112 and in communication with the back segment channel of the outer tube passage 111 111b, and there is first inner tube 12 extended segment 124 being connected and an external thread section 125, the external thread section 125 to be screwed together in The internal screw thread hole section 112, and the extended segment 124 is extended by the back segment channel 111b towards leading portion channel 111a, several side openings 122 Positioned at 124 side of extended segment.

The piston group 4 is slidedly arranged on the extended segment 124, and the piston group 4 include the leak-stopping ring seat 41 that mutually assembles with One leak-stopping ring set 42, and several seal rings 44 of a built-in slot 43 are formed positioned at the leak-stopping ring seat 41 and the leak-stopping ring set 42, The leak-stopping ring set 42 separately has a leak-stopping spring towards back segment channel 111b towards leading portion channel 111a, the leak-stopping ring seat 41 45 is butted in the leak-stopping ring seat 41 and the external thread section 125, so that its inner ring surface normality of several seal rings 44 is closed in the side 122 outer fix of hole.

The connecting tube 22, which has, fills in the linkage section 225 that section 221 is connected with this, and the outside of the linkage section 225 screws togather together Due to 21 inner wall of the second outer tube.

The non-return piston group 5 includes that a non-return sphere 51 and a non-return spring 52, the non-return sphere 51 are supported close to this 224 position of not-go-end, and the non-return spring 52 is butted in the non-return sphere 51 and the linkage section 225, so that the non-return sphere 51 is often State closes the opening 223 of the connecting passage 222.The pushing end 123 of first inner tube 12 is equipped with corresponding its ball of the reverse stopping ball body 51 Pouch 126 in the one of face.

It is pasted each other configured with a guiding lantern ring 23 with a non-return lantern ring 24 223 inner edge of opening of the connecting passage 222 It supports, and the guiding lantern ring 23 supports 224 position of not-go-end close to this compared with the non-return lantern ring 24, and non-return 51 normality of the sphere closing should Non-return lantern ring 24 in connecting passage 222.

First outer tube, 11 peripheral side is slidably equipped with an outer throw-out collar 6, and 11 side of the first outer tube is equipped with and is connected to the leading portion channel Several taper holes 113 of 111a, and several taper holes 113 respectively configure a positioning ball 61 and are pushed against by the inner wall of the outer throw-out collar 6, And it is displaced and fastens towards leading portion channel 111a and fill in the circular positioning recessed 226 in 221 peripheral side of section in this.First outer tube 11 It is equipped at intervals with an outer ring protrusion 114 and an outer circular rabbet 115, the outer circular rabbet 115 is separately fastened on a c shape button 62, and is somebody's turn to do The inner ring surface of outer throw-out collar 6 is equipped with an inner ring protrusion 63 and between the outer ring protrusion 114 and the outer circular rabbet 115, and The inner ring protrusion 63 has opposite one first confined planes 64 and the second confined planes 65, is separately sheathed on first with an extrapolation spring 66 Outer tube 11 and both ends are resisted against first confined planes 64 of the outer ring protrusion 114 Yu inner ring protrusion 63 respectively, so that the outer throw-out collar 6 Second confined planes, 65 normality is resisted against 62 side of c shape button.

Please refer to shown in Fig. 4 and Fig. 5, outer 6 normality of throw-out collar is pushed away by extrapolation spring 66 for operation about outer throw-out collar 6 It supports, and c shape button 62 supports the second confined planes 65 and outer throw-out collar 6 is prevented to be detached from from the first outer tube 11, so that inner ring protrusion 63 limits Positioning ball 61 can not be moved arbitrarily in taper hole 113.

And when carrying out the combination of the first connector 1 and the second connector 2, the outer throw-out collar 6 of operation is from the second connector 2 toward the first connector 1 Direction is mobile, and the first confined planes 64 compression extrapolation spring 66 in ring convex portion 63 in addition within, inner ring protrusion 63 is partially disengaged taper hole The movement of positioning ball 61 is then no longer limited on the outside of 113, the section 221 of filling in of connecting tube 22 penetrates in the 111a of the leading portion channel, So that the not-go-end 224 that supports of connecting tube 22 pushes against the leak-stopping ring set 42 of the piston group 4 and slides towards the back segment channel direction 111b, And leak-stopping spring 45 is compressed by the leak-stopping ring seat 41, so that several 122 outside nose ends of side opening are no longer by the seal ring of piston group 4 44 envelope group, at the same the pushing end 123 of first inner tube 12 penetrate the connecting passage 222 opening 223 (sequentially pass through guiding set Ring 23 and non-return lantern ring 24) and push against the non-return sphere 51 of the non-return piston group 5 and move back and compressed only towards 21 direction of the second outer tube Inverse spring 52, so making the connecting passage 222, several side openings 122 and the inner tube runner 121 is in the state that communicates with each other, so as to Constituting brake oil pipe 3 is the kenel that can be communicated again that is connected, and provides brake oil liquid steady flow.

In addition, the external force for operating outer throw-out collar 6 is removed, so that extrapolation spring 66 is able to be upheld simultaneously by compressive state in nature The pushing tow outer throw-out collar 6 resets, so as to allowing the inner ring protrusion 63 of outer throw-out collar 6 to limit positioning ball 61 again in the outside of taper hole 113 Hole end position, and the spherical surface of positioning ball 61 supports and terminates in its positioning recessed 226 for filling in 221 peripheral side of section of connecting tube 22, so may be used It is unexpected from the disengaging of outer tube passage 111 to enter section 221 to prevent detent plug.

It is noted that the utility model further comprises having a limit latch closure 7 and being hubbed at first outer tube 11 Side, and 7 pivot of limit latch closure pendulum is in the unlocked position in outside, and towards the latched position of outer 6 one end of throw-out collar, and aforementioned institute Positioning is set opposite first outer tube 11 of the outer throw-out collar 66 of limitation and is slided.So the spherical surface of auxiliary positioning sphere 61 supports and terminates in connecting tube indirectly It is unexpected from the disengaging of outer tube passage 111 to fill in section 221 so as to auxiliary for 22 its positioning recessed 226 for filling in 221 peripheral side of section.

The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model Limitation, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations with Modification, is still within the scope of the technical solutions of the present invention.

Claims (10)

1. a kind of braking oil pipe joint device of bicycle, which is characterized in that include that one first connector and one second connector are used Brake oil pipe is connected to concatenation, in which:

First connector includes one first outer tube and one first inner tube, which has an outer tube passage, this is in first Pipe group is assigned in the outer tube passage, and first inner tube has an inner tube runner, and first inner tube be equipped in its side it is several Side opening is simultaneously connected to the inner tube runner and the outer tube passage；

The first inner tube peripheral side is slidably equipped with a piston group and normality envelope group several side openings, and the peripheral side of the piston group is close to Being butted on the inner wall of the outer tube passage and distinguishing the outer tube passage is a leading portion channel and a back segment channel, and first inner tube has There is the pushing end positioned at the leading portion channel；

Second connector includes one second outer tube and a connecting tube, which is somebody's turn to do assigned in second outer tube The connecting tube other end is then pierced by second outer tube outwardly extending one and fills in section, and has a connecting passage and axis in the connecting tube To section is filled in through this, it is slidably equipped with a non-return piston group in the connecting passage and normality closes an opening of the connecting passage；

The section of filling in of the connecting tube penetrates in the leading portion channel, and this is filled in section and supports not-go-end with one and push against the piston group direction Back segment channel direction sliding, so that several side openings are not closed by piston group, and the pushing end of first inner tube penetrates the company Connect the opening of runner and push against the non-return piston group and moved back towards the second outer tube direction so that the connecting passage, several side openings with The inner tube runner is in the state that communicates with each other.

2. the braking oil pipe joint device of bicycle according to claim 1, which is characterized in that first outer tube has One internal screw thread hole section and back segment channel in communication with the outer tube passage, and first inner tube has the extended segment and one being connected External thread section, which is screwed together in the internal screw thread hole section, and the extended segment is extended by the back segment channel towards leading portion channel, should Several side openings are located at the extended segment side.

3. the braking oil pipe joint device of bicycle according to claim 2, which is characterized in that the piston group is slidedly arranged on The extended segment, and the piston group includes the leak-stopping ring seat mutually assembled and a leak-stopping ring set, and is located at the leak-stopping ring seat Several seal rings of a built-in slot are formed with the leak-stopping ring set, the leak-stopping ring set is towards the leading portion channel, the leak-stopping ring seat direction The back segment channel separately has a leak-stopping spring butted in the leak-stopping ring seat and the external thread section, so that its inner ring of several seal rings Face normality is closed in the side opening outer fix.

4. the braking oil pipe joint device of bicycle according to claim 3, which is characterized in that the connecting tube have with This fills in the connected linkage section of section, screws togather on the outside of the linkage section and is fixed on second outer tube wall.

5. the braking oil pipe joint device of bicycle according to claim 4, which is characterized in that the non-return piston group packet A non-return sphere and a non-return spring are included, the non-return sphere is close should to support end stop position, and the non-return spring is butted in this Non-return sphere and the linkage section, so that the non-return sphere normality closes the opening of the connecting passage.

6. the braking oil pipe joint device of bicycle according to claim 5, which is characterized in that the top of first inner tube It pushes away end and is equipped with pouch in the one of corresponding its spherical surface of the reverse stopping ball body.

7. the braking oil pipe joint device of bicycle according to claim 6, which is characterized in that the connecting passage is opened Mouthful inner edge is sticked to configured with a guiding lantern ring with a non-return lantern ring each other, and the guiding lantern ring compared with the non-return lantern ring close to End stop position should be supported, and the non-return sphere normality closes the non-return lantern ring in the connecting passage.

8. according to claim 1 to the braking oil pipe joint device of bicycle described in any one of 7, which is characterized in that institute It states the first outer tube peripheral side and is slidably equipped with an outer throw-out collar, and the first outer tube side is equipped with the several taper holes for being connected to the leading portion channel, and Several taper holes respectively configure a positioning ball and are pushed against by the inner wall of the outer throw-out collar, and are displaced and fasten towards the leading portion channel In this fill in section peripheral side it is circular one positioning it is recessed.

9. the braking oil pipe joint device of bicycle according to claim 8, which is characterized in that first outer tube interval Equipped with an outer ring protrusion and an outer circular rabbet, the outer circular rabbet is separately fastened on a c shape button, and the inner ring face ring of the outer throw-out collar Equipped with an inner ring protrusion and between the outer ring protrusion and the outer circular rabbet, and the inner ring protrusion has opposite one first Confined planes and the second confined planes, separately with an extrapolation spring pocket be set to the first outer tube and both ends be resisted against respectively the outer ring protrusion with it is interior First confined planes in ring convex portion, so that the second confined planes normality of the outer throw-out collar is resisted against the c shape button side.

10. the braking oil pipe joint device of bicycle according to claim 9, which is characterized in that further comprise having one Limit latch closure is simultaneously hubbed at the side of first outer tube, and limit latch closure pivot pendulum is in the unlocked position in outside, and towards outer The latched position of throw-out collar one end, and aforementioned position is set the outer throw-out collar of limitation and is slided with respect to the first outer tube.