EP3980304A1 - Coupling arrangement for a hydraulic device, and method for coupling and fluidically connecting a first and second coupling component of the coupling arrangement - Google Patents
Coupling arrangement for a hydraulic device, and method for coupling and fluidically connecting a first and second coupling component of the coupling arrangementInfo
- Publication number
- EP3980304A1 EP3980304A1 EP20720343.1A EP20720343A EP3980304A1 EP 3980304 A1 EP3980304 A1 EP 3980304A1 EP 20720343 A EP20720343 A EP 20720343A EP 3980304 A1 EP3980304 A1 EP 3980304A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupling
- piston
- coupling component
- hydraulic
- sealing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 167
- 238000010168 coupling process Methods 0.000 title claims abstract description 167
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 167
- 238000000034 method Methods 0.000 title claims description 11
- 238000007789 sealing Methods 0.000 claims abstract description 68
- 239000012530 fluid Substances 0.000 claims description 28
- 238000003780 insertion Methods 0.000 claims description 26
- 230000037431 insertion Effects 0.000 claims description 26
- 230000013011 mating Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 abstract 2
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
- B60T17/043—Brake line couplings, air hoses and stopcocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L3/00—Brake-actuating mechanisms; Arrangements thereof
- B62L3/02—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever
- B62L3/023—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever acting on fluid pressure systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L29/00—Joints with fluid cut-off means
- F16L29/04—Joints with fluid cut-off means with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
- F16L37/34—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied at least one of the lift valves being of the sleeve type, i.e. a sleeve is telescoped over an inner cylindrical wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
- F16L37/35—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied at least one of the valves having an axial bore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/28—Valves specially adapted therefor
- B60T11/32—Automatic cut-off valves for defective pipes
- B60T11/323—Automatic cut-off valves for defective pipes in hydraulic systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
Definitions
- the invention relates to a coupling arrangement for a hydraulic device, in particular for a brake hose device of a hydraulic brake of a vehicle.
- the coupling arrangement comprises a first coupling component and a second coupling component, wherein the first coupling component and the second coupling component can be transferred from an uncoupled state to a coupled state.
- the first coupling component has a hydraulic chamber which is pre-filled with a first hydraulic fluid
- the second coupling component has a hydraulic cylinder which is pre-filled with a second hydraulic fluid.
- the hydraulic chamber and the hydraulic cylinder are fluidically connected to one another in the coupled state of the first coupling component and the second coupling component.
- a first flow opening is made in the hydraulic chamber.
- the invention also relates to a method for coupling and fluidic connection of a first and second coupling component of the coupling arrangement.
- a hydraulic bicycle brake with prefilled hydraulic cylinders which are fluidically connected to one another, is for example in the publication US 2016/0200392 A1.
- the document US 2018/0229703 A1 describes a self-sealing hydraulic device for bicycles in which two hydraulic cylinders are screwed together and sealed by means of ring seals.
- the invention is based on the object of providing a coupling arrangement for a hydraulic device, the coupling components of which can be coupled functionally simply and safely to form a flow connection.
- This object is achieved by a coupling arrangement for a hydraulic device with the features of claim 1 and by a method for coupling and fluidic connection of a first coupling component and a second coupling component of a coupling arrangement with the features of claim 10.
- Preferred or advantageous embodiments of the invention emerge from the dependent claims of the following description and / or the attached figures.
- a coupling arrangement for a hydraulic device in particular for a brake hose device of a hydraulic brake of a vehicle, is proposed.
- the vehicle is preferably designed as a small or micro vehicle or as an electric vehicle.
- the vehicle preferably has at least one wheel. With only one wheel, the vehicle can be designed as an electric unicycle, for example as a so-called monowheel or solo wheel. With two or more wheels, the vehicle is preferred as a scooter, in particular as an electric motorcycle, as an electric scooter, as an electric scooter, electric scooter, electric scooter, eg e-scooter, as a Segway, hoverboard, kickboard, skateboard, longboard or the like. educated.
- the vehicle can be designed as a bicycle, in particular as an electric bicycle, for example as a pedelec or as an e-bike.
- the vehicle can alternatively be designed as a multi-track bicycle, in particular with three or more wheels.
- the vehicle can be a transport or cargo bike, especially a motorized or electrically driven transport or cargo bike, especially a three-wheel or four-wheel pedelec or a rickshaw, especially with or without a roof, or a cabin scooter.
- the coupling arrangement comprises a first coupling component and a second coupling component. The first coupling component and the second coupling component can be converted from an uncoupled state into a coupled state.
- the two coupling components which are referred to below as first and second components, can be coupled to one another to form a coupling unit.
- the two coupled components can again be decoupled from one another without being damaged.
- the two components can be arranged between a vehicle brake arranged on the wheel side and a brake actuation device of the vehicle arranged on the handlebar side, for example a flange lever.
- the first component has a fly hydraulic chamber.
- the hydraulic chamber is preferably cylindrical.
- one axial end of the hydraulic chamber is closed and another opposite end is connected to a first hose section sealed at the end.
- the hydraulic chamber and, optionally, the first hose section is / are prefilled with a first hydraulic fluid. It is particularly preferred that the first component in the uncoupled state is completely sealed off from the outside in a flow-tight manner, so that the hydraulic fluid cannot leak out and / or so that no air can be trapped in the hydraulic chamber.
- the second component has a hydraulic cylinder.
- the hydraulic cylinder is preferably connected at one axial end to a second hose section sealed at the end. At another opposite end, an insertion opening for inserting a section of the hydraulic chamber is preferably provided.
- the hydraulic cylinder and, optionally, the second hose section is / are prefilled with a second hydraulic fluid. It is particularly preferred that the second component, in the uncoupled state, is completely sealed off from the outside in a flow-tight manner so that the hydraulic fluid cannot leak out and / or so that no air can be trapped in the hydraulic cylinder.
- the hydraulic chamber and the hydraulic cylinder are fluidically connected to one another. In particular, both hydraulic fluids can flow from one component into the other component and / or can be mutually exchanged and / or mixed with one another.
- a first flow opening is made in the hydraulic chamber of the first component.
- the first flow opening is preferably provided to enable the flow connection between the two components.
- the first flow opening is an opening that runs radially at least in sections in an outside of the hydraulic chamber.
- the first flow opening is arranged in a region of the hydraulic chamber that adjoins the closed axial end of the hydraulic chamber.
- the second component has a second flow opening.
- the first component comprises a first sealing device.
- the first flow opening is closed in a flow-tight manner by the first sealing device.
- the first sealing device seals the first flow opening to prevent the fluid from flowing out when the components are in the uncoupled state.
- the first sealing device releases the first flow opening, so that a fluidic connection of the two components is ensured and / or formed in the coupled state.
- the first flow opening is uncovered and not closed by the first sealing device. This can advantageously ensure that the first hydraulic fluid through the first flow opening from the Hydraulic chamber can flow out and / or that the second hydraulic fluid can flow through the first flow opening into the hydraulic chamber.
- the first sealing device is ring-shaped, in particular as a sealing ring.
- the first sealing device is preferably seated on the outside of the hydraulic chamber, wherein it is arranged in a first position on the hydraulic chamber, in particular in the uncoupled state.
- the first sealing device encloses the hydraulic chamber in the uncoupled state in the first position.
- the first position is preferably where the first flow opening is introduced into the hydraulic chamber. It is particularly preferred that the first sealing device covers and seals the first flow opening in the first position when the two components are in the uncoupled state.
- the first sealing device sits on the outside of the hydraulic chamber in a second position when the components are in the coupled state.
- the second position is different and spaced from the first position.
- the second position is arranged in an area of the hydraulic chamber that adjoins the axial end on which the first hose section is arranged.
- the first sealing device preferably encloses the hydraulic chamber in the coupled state in the second position.
- the first flow opening is preferably uncovered by the first sealing device when it is in the second position. In particular, the first flow opening is released and thus opened for the hydraulic fluids to flow through when the first sealing device assumes the second position.
- the first component has a first piston.
- the first piston is annular in an axial plan view, the piston preferably having an annular piston surface and a circumferential edge which projects axially from the piston surface and which, together with the piston surface, encloses a receiving space.
- the first sealing device is arranged in the receiving space of the piston.
- the piston sits, preferably together with the first sealing device, on the hydraulic chamber and / or surrounds it.
- the piston is preferably arranged axially movably on the hydraulic chamber.
- the first piston is axially displaceable along the hydraulic chamber, the first sealing device accommodated in the receiving space being displaceable in particular together with the piston.
- the first sealing device can thus be transferred from the first position to the second position, which takes place in particular during and / or during the coupling of the two components.
- the first coupling component comprises a sleeve.
- the sleeve is preferably arranged concentrically to the first piston and / or to the hydraulic chamber.
- the sleeve surrounds the first piston at least in sections when the two components are in the uncoupled state and / or when the first sealing device is arranged in the first position. It is particularly preferred within the scope of the invention that the first piston, in the coupled state of the two components, is moved away from and / or out of the sleeve and / or is arranged at a distance from the sleeve.
- the first coupling component comprises a first spring device which e.g. is designed as a helical compression spring.
- the spring device optionally encompasses the hydraulic chamber.
- the first piston is preferably mounted elastically on the first spring device. In particular, in the uncoupled state of the two components, the first piston is pressed into and / or held in the sleeve, at least in sections, under spring force loading.
- the sleeve has an annular or partially annular clip which exerts a radial pressure on the first piston and optionally in addition the first sealing device exerts when the first piston is at least partially surrounded by the sleeve.
- the first sealing device is pressed onto the first flow opening by the radial pressure exerted.
- the first sealing device is thus advantageously secured against loosening from the first flow opening.
- the sleeve serves in particular as a securing device for the first sealing device when the two components are uncoupled. This is of great advantage since the first component is flow-tight and the hydraulic fluid cannot leak out during transport, storage and retrieval, handling and of course during and / or during assembly.
- the first sealing device and the sleeve as a securing device can prevent air from being trapped in the hydraulic chamber before, during and / or during assembly.
- the first coupling component has a cylindrical coupling housing that is open on both axial sides.
- the coupling housing preferably has a receiving section and a coupling section.
- the first spring device, the first piston and the sleeve are completely received in the receiving section.
- the hydraulic chamber is received at least in sections in the receiving section.
- the hydraulic chamber is positively and / or non-positively connected to the receiving section.
- the axial end of the hydraulic chamber, on which the first hose section is arranged protrudes from the receiving section and / or from one side of the coupling housing.
- the coupling section is preferably unoccupied in the uncoupled state of the two components.
- the coupling section has an internal thread, in particular for coupling to the second component.
- the coupling section is occupied by a section of the second component.
- the hydraulic cylinder for this purpose, in sections, in particular largely or completely, inserted into the other side of the coupling housing and / or into the coupling section.
- the hydraulic cylinder of the second component has a coupling mating section.
- the mating coupling section preferably has an external thread for screwing to the internal thread in the coupling section of the first component.
- the internal thread and the external thread are placed against one another for mutual screwing when the hydraulic cylinder is partially, largely or completely inserted into the coupling housing of the first component.
- the hydraulic cylinder is pushed into the sleeve and / or partially pushed through it, so that the sleeve surrounds the hydraulic cylinder in this arrangement.
- the first piston and the first spring device are in particular pushed out of the sleeve.
- the two components can be coupled to a coupling unit by screwing the internal thread and the external thread together.
- the hydraulic chamber and the hydraulic cylinder in the coupling unit are fluidically connected to one another.
- the second component comprises a second piston, a second spring device and a second sealing device.
- the second sealing device is designed as a sealing ring.
- the second spring device is designed as a helical compression spring.
- the second piston is preferably arranged to be axially movable in the hydraulic cylinder. In particular, for this purpose the second piston is elastically supported in the hydraulic cylinder on the second spring device.
- a second flow opening is made in the second piston through which the second hydraulic fluid and optionally additionally, in particular in the coupled state of the two components, the first hydraulic fluid can also flow.
- the insertion opening of the hydraulic cylinder is preferably closed in the uncoupled state by the second piston, for example in a form-fitting manner, wherein for this purpose it is pressed into the insertion opening, in particular with a spring force.
- the second piston assumes a closed position when it is pressed into the insertion opening and / or closes it.
- the insertion opening closed by the second piston is preferably sealed in terms of flow by the second sealing device.
- the second sealing device sits on the second piston and / or surrounds it in a form-fitting manner.
- the second piston is axially displaced out of the closed position in the coupled state of the two components, in particular against the spring force of the second spring device. This releases the insertion opening of the second piston.
- a preferred structural embodiment of the invention provides that, in the coupled state of the two components, a section of the first component is inserted through the insertion opening.
- the area of the hydraulic chamber in which the first flow opening is introduced preferably protrudes through the insertion opening when the two components are in the coupled state.
- the hydraulic cylinder is pushed through the axial opening in the hydraulic chamber, so that it is received at least in sections in the receiving section of the coupling housing.
- the area of the hydraulic chamber in which the first flow opening is introduced is arranged in the hydraulic cylinder if the two components are coupled to one another to form the coupling unit.
- a further subject matter of the invention is a method for coupling and fluidic connection of a first coupling component and a second coupling component of a coupling arrangement according to the previous description and / or according to one of claims 1 to 9.
- the second component is inserted into the first component in sections.
- the first sealing device is moved out of the first position in which it seals the first flow opening, so that it releases the first flow opening to form the fluidic connection.
- the hydraulic cylinder is at least partially inserted into the coupling housing and screwed to it.
- the hydraulic cylinder pushes the first piston with the first sealing device arranged in the receiving space, in particular against the spring force of the first spring device, out of the sleeve and / or axially along the hydraulic chamber.
- the hydraulic cylinder is inserted into the sleeve or partially pushed through it.
- FIG. 1 shows a first coupling component of a coupling arrangement
- FIG. 2 shows a second coupling component of a coupling arrangement
- FIG. 3a shows an axial sectional view of the first coupling component
- Figure 3b is a perspective axial plan view of the first
- FIG. 4 shows an axial sectional view of the second coupling component
- FIGS. 5a-5d process steps for coupling and fluidic
- FIG. 1 a first coupling component 2 of a coupling arrangement 1 is shown in two different perspective views.
- FIG. 2 shows a second coupling component 3 of the coupling arrangement 1, likewise in two different perspective views.
- the coupling arrangement 1, which can be seen in FIGS. 5a to 5d, is designed to be integrated in a flydraulic device.
- the coupling arrangement 1 can form part of the hydraulic device.
- the hydraulic device can be designed, for example, as a brake hose device for a hydraulic brake of a vehicle, for example a two-wheeler, in particular a bicycle, e-scooter, electric scooter or electric scooter, or comprise these.
- the coupling arrangement 1 can be arranged between the hydraulic brake and a brake actuation device, for example a hand lever on a handlebar of the vehicle.
- first and second coupling component 3 which are referred to below as first and second components 2, 3, can be coupled to one another to form a coupling unit 4, which is shown in FIG. 5d.
- components 2, 3 are shown in an uncoupled state U. When they are coupled to one another and form the coupling unit 4, they have a coupled state K.
- the first coupling component 2 comprises a cylindrical coupling housing 5, which is open on both sides, with a receiving section 5a and with a coupling section 5b.
- the first coupling component 2 comprises a cylindrical hydraulic chamber 6, a first hose section 7, a first bolt 8, a first sealing device 9, a sleeve 10 with a clip 11 and a first spring device 12.
- the hydraulic chamber 6 is open at one axial end 13a and closed at another opposite end 13b.
- the first hose section 7 is inserted into the hydraulic chamber 6 through the open end 13a and is thus fluidically connected to it.
- the hydraulic chamber 6 and the first hose section 7 are prefilled with a first hydraulic fluid 14.
- the first hose section 7 is closed at an end, not shown, outside the hydraulic chamber 6, so that the first hydraulic fluid 14 cannot run out through the first hose section 7.
- the hydraulic chamber 6 has a first flow opening 15 in a region which adjoins the closed end 13b.
- the first flow opening is as a partially radially circumferential opening is formed in an outside of the hydraulic chamber 6.
- the hydraulic chamber 6 and the hose section 7 inserted therein are received in sections in the receiving section 5 a of the coupling housing 5.
- the hydraulic chamber 6 is attached to the coupling housing 5.
- a circumferential projection 16 on the outside of the hydraulic chamber 6 engages in a form-fitting manner in a groove 17 of the coupling housing 5 formed between two circumferential lugs 20a, 20b.
- the first bolt 8, the first sealing device 9, the sleeve 10 and the first spring device 12 are completely received in the receiving section 5 a of the coupling housing 5.
- the first bolt 8 is annular in an axial plan view. It comprises a bolt surface 8a and a circumferential edge 8b which protrudes axially from the bolt surface 8a and with this encloses a receiving space 16.
- the first sealing device 9 is designed as a sealing ring and is received in the receiving space 16.
- the first Bolzano 8 is elastically mounted on the first spring device 12, which is designed as a helical compression spring and which runs around the hydraulic chamber 6.
- the first bolt 8 and the first sealing device 9 sit on the outside of the hydraulic chamber 6 and completely surround it.
- the sleeve 10 is arranged concentrically with the first bolt and surrounds it in sections.
- the clip 11 of the sleeve 10 engages in a receptacle 18 which is introduced on an inside of the coupling housing 5.
- the sleeve 10 is fastened in the coupling housing 5 in a form-fitting manner.
- the first spring device 12 By means of the first spring device 12, the first piston 8 is pushed into the sleeve 10 in sections and held therein.
- the first sealing device 9 is arranged in a first position P1 in which it seals the first flow opening 15. For this purpose, the first sealing device 9 sits on the first flow opening 15 and completely surrounds it.
- the clip 11 of the sleeve 10 presses the first sealing device 9 radially against the first flow opening 15 and thereby secures the flow-tight seal so that the first hydraulic fluid 14 cannot leak and so that no air can penetrate into the hydraulic chamber 6 from the outside and / or into the hydraulic fluid 14 can be included.
- the coupling section 5b of the coupling housing 5 is unoccupied in the uncoupled state U of the two components 2, 3 according to FIGS. 1, 3a and 3b.
- the coupling section 5b has an internal thread 19 for coupling to the second component 3.
- the second component 3 comprises a hydraulic cylinder 21.
- the hydraulic cylinder 21 has an axial insertion opening 22 and an opposite adapter opening 23.
- the hydraulic cylinder 21 has a mating coupling section 24 in which an external thread 25 is arranged.
- Arranged immediately behind the insertion opening 22 are two circumferential ribs 26a, 26b which enclose a receiving groove 27 in the hydraulic cylinder 21 between them.
- a second hydraulic fluid 33 is received in the hydraulic cylinder 21.
- the second component 3 comprises a second piston 28, a second sealing device 29 and a second spring device 30. Furthermore, the second component 3 comprises a second hose section 31.
- the second hose section 31 is fluidically connected to the hydraulic cylinder 21.
- the second hose section 31 is closed at one end (not shown) so that the second hydraulic fluid 33 cannot leak out.
- the second hose section 31 is inserted into the adapter opening 23 via an adapter piece 35 of the second component 3 and is positively connected to the hydraulic cylinder 21 attached.
- a third sealing device 34 of the second component 3 seals the connection between the adapter opening 23 and the adapter piece 35.
- the second piston 28 is circular in an axial plan view.
- a second flow opening 32 is made in the second piston 28.
- the second flow opening 32 is designed as a partially radially circumferential opening in the second piston 28.
- the second piston 28 closes the insertion opening 22 of the hydraulic cylinder in a form-fitting manner and assumes a closed position S. It is elastically supported on the second spring device 30, which is designed as a helical compression spring, in the hydraulic cylinder 21, so that it is pressed into the insertion opening 22 and held in the closed position S.
- the second sealing device 29 additionally seals the insertion opening 22 in a flow-tight manner.
- the components 2, 3 are positioned axially to one another in such a way that the coupling section 5b of the first component 2 and the insertion opening 22 of the second component 3 are directed towards one another.
- the components 2, 3 are then plugged into one another so that the hydraulic cylinder 21 is arranged in sections in the coupling section 5 b of the coupling housing 5.
- the hydraulic cylinder 21 is pushed further and further into the coupling housing 5.
- the two components 2, 3 are screwed to one another by means of the internal thread 19 and the external thread 25 and are thereby releasably fastened to one another.
- the hydraulic cylinder 21 pushed through the sleeve 10 and thereby presses the first piston 8 together with the first sealing device 9 out of the sleeve 10 against the spring force of the first spring device 12.
- the first sealing device 9 is moved out of the first position P1 so that it releases the first flow opening 15.
- the first sealing device 9 is now arranged in the second position P2.
- the hydraulic chamber 6 While the hydraulic cylinder 21 is being pushed through the sleeve 10, the hydraulic chamber 6 penetrates with its closed axial end 13 first through the insertion opening 22 into the hydraulic cylinder 21 and thereby pushes the second piston 28 against the spring force of the second spring device 30 from the closed position S in the Insertion opening 22 out and further into the hydraulic cylinder 21.
- the hydraulic chamber 6 is thereby arranged in the hydraulic cylinder 21 with the closed axial end 13b and with the region in which the first flow opening 15 is introduced.
- the coupling unit 4 When the two components are completely screwed together, the coupling unit 4 is formed. Because the first flow opening 15 is arranged together with the second flow opening 32 in the hydraulic cylinder 21, the flow connection between the hydraulic chamber 6 and the hydraulic cylinder 21 is formed. The coupling unit 4 and / or the flow connection is sealed to the outside by the three sealing devices 9, 29 and 34.
- the coupling unit 4 is unscrewed, e.g. for maintenance purposes, and the two components 2, 3 are thereby decoupled, the first piston 8 is pushed back axially along the hydraulic chamber under spring force so that the first sealing device 9 is again arranged in the first position P1 and the first flow opening 15 seals again.
- the second piston 28 is pushed back again axially in the hydraulic cylinder 21 under a spring force and arranged again in the insertion opening 22, so that it is closed by the second piston 28 and sealed by the second sealing device 29.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019115109 | 2019-06-05 | ||
DE102019116439.7A DE102019116439A1 (en) | 2019-06-05 | 2019-06-18 | Coupling arrangement for a hydraulic device and method for coupling and fluidic connection of a first and second coupling component of the coupling arrangement |
PCT/DE2020/100271 WO2020244698A1 (en) | 2019-06-05 | 2020-04-01 | Coupling arrangement for a hydraulic device, and method for coupling and fluidically connecting a first and second coupling component of the coupling arrangement |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3980304A1 true EP3980304A1 (en) | 2022-04-13 |
Family
ID=73460242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20720343.1A Withdrawn EP3980304A1 (en) | 2019-06-05 | 2020-04-01 | Coupling arrangement for a hydraulic device, and method for coupling and fluidically connecting a first and second coupling component of the coupling arrangement |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220227347A1 (en) |
EP (1) | EP3980304A1 (en) |
CN (1) | CN113966291A (en) |
DE (1) | DE102019116439A1 (en) |
WO (1) | WO2020244698A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022207379A1 (en) * | 2022-07-19 | 2024-01-25 | Gustav Magenwirth Gmbh & Co. Kg | Transmitter device for a hydraulic brake for handlebar-driven vehicles and hydraulic brake for a handlebar-driven vehicle |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2854258A (en) * | 1955-01-26 | 1958-09-30 | Harbisson Fischer Mfg Company | Self-sealing coupling |
GB909561A (en) * | 1958-12-10 | 1962-10-31 | Atomic Energy Authority Uk | Improvements in or relating to self-sealing couplings for fluid flow circuits |
IT957974B (en) * | 1971-05-27 | 1973-10-20 | Visscher P De | IMPROVEMENT IN FITTINGS OR JOINTS FOR THE CONNECTION OF ENVIRONMENTS |
US4768551A (en) * | 1987-07-09 | 1988-09-06 | Aeroquip Corporation | Connect-under-pressure coupling |
DE10061953C1 (en) * | 2000-12-08 | 2002-07-25 | Marquart Ingeborg | Coupling device for the transmission of fluid pressure |
US6675841B2 (en) * | 2000-12-12 | 2004-01-13 | Snap-Tite Technologies, Inc. | Fuel storage tank coupling with vapor recovery |
NO331898B1 (en) * | 2003-09-09 | 2012-04-30 | Fmc Kongsberg Subsea As | Hydraulic coupling device |
JP4499553B2 (en) * | 2004-12-28 | 2010-07-07 | 日東工器株式会社 | Fitting member for pipe fitting |
JP3181246U (en) * | 2012-11-13 | 2013-01-31 | 錫寅 謝 | Pressure pipe joint structure |
US9827968B2 (en) * | 2015-01-12 | 2017-11-28 | Sram, Llc | Hydraulic bicycle system |
CA2986844A1 (en) * | 2015-06-10 | 2016-12-15 | Stucchi S.P.A. | Anti-unscrewing quick coupling fitting |
TWM542607U (en) | 2017-02-14 | 2017-06-01 | Lee Chi Entpr Co Ltd | Separate type hydraulic non-return device |
-
2019
- 2019-06-18 DE DE102019116439.7A patent/DE102019116439A1/en not_active Withdrawn
-
2020
- 2020-04-01 WO PCT/DE2020/100271 patent/WO2020244698A1/en unknown
- 2020-04-01 EP EP20720343.1A patent/EP3980304A1/en not_active Withdrawn
- 2020-04-01 US US17/615,619 patent/US20220227347A1/en active Pending
- 2020-04-01 CN CN202080041423.1A patent/CN113966291A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2020244698A1 (en) | 2020-12-10 |
US20220227347A1 (en) | 2022-07-21 |
CN113966291A (en) | 2022-01-21 |
DE102019116439A1 (en) | 2020-12-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60209834T2 (en) | Disc brake caliper | |
DE4141175C2 (en) | Pressure oil line connection | |
DE19581660C2 (en) | Method and device for sealing the outer surface of a fluid line | |
DE69301185T2 (en) | Brake actuation device secured against external interference | |
EP3756961B1 (en) | Hydraulic line clutch, in particular for a hydraulic brake or clutch of handle bars-guided vehicles | |
DE3712734A1 (en) | BICYCLE BRAKE | |
DE2510036C2 (en) | Floating caliper disc brake | |
DE202010016054U1 (en) | Actuation device for a brake calliper and brake system | |
WO2020244698A1 (en) | Coupling arrangement for a hydraulic device, and method for coupling and fluidically connecting a first and second coupling component of the coupling arrangement | |
DE4035453C2 (en) | Quick-release coupling for hydraulic brake systems, in particular trailer couplings | |
DE19718612A1 (en) | Operating unit for hydraulic brakes of two=wheelers and suchlike | |
DE2008508B2 (en) | Brake system for the wheels of a transport trolley | |
DE3129522A1 (en) | PLUG-IN COUPLING FOR GAS PIPES | |
DE602004001133T2 (en) | DEVICE FOR CONNECTING A FLUID CIRCULATION LINE WITH A FIRE-RESISTANT ELEMENT | |
DE1032985B (en) | Pipe or hose coupling | |
DE69001352T2 (en) | Sealing shut-off valve. | |
DE2259429A1 (en) | COUPLING FOR DETACHABLE CONNECTION OF A NESTING DOUBLE HOSE SYSTEM TO A CLOSED CONTAINMENT | |
DE19537038A1 (en) | Master cylinder for hydraulic actuator of motor vehicle | |
DE69619351T3 (en) | Actuating cylinder of a hydraulic clutch of a vehicle | |
DE2148808A1 (en) | Hydraulic turbo brake, especially as a motor vehicle brake | |
DE19722684C2 (en) | Hydraulic brake device for a vehicle | |
DE102019129137A1 (en) | Braking device for a vehicle and a vehicle with the braking device | |
DE19722686B4 (en) | Hydraulic brake device for a vehicle | |
DE102022100881A1 (en) | Hydraulic transmitter assembly for a vehicle and vehicle with the hydraulic transmitter assembly | |
DE3614797C2 (en) | Pressure control device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20220105 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230523 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20231101 |