Hidden vehicle door handle, vehicle door and vehicle

Abstract

The invention relates to a hidden vehicle door handle, a vehicle door and a vehicle. The hidden vehicle door handle comprises a door handle body and a hydraulic mechanism. The hydraulic mechanism comprises a hydraulic cylinder and a piston rod; in the hydraulic mechanism, a piston rod reciprocates in the first direction under the action of hydraulic pressure in a hydraulic cylinder, and the first direction is the inside-outside direction of the vehicle door. The piston rod is connected with the door handle so as to drive the door handle to be opened outwards and closed inwards. According to the hidden vehicle door handle, the hydraulic mechanism is adopted as a power source for driving the door handle to be opened and closed, compared with other types of power sources such as a motor and an air cylinder, the hydraulic mechanism can output larger force, and resistance borne by outward opening and inward closing of the door handle can be effectively overcome. In a freezing environment and other low-temperature environments, the door handle can break the freezing environment, and the door handle is normally opened outwards. Moreover, the piston rod is directly connected with the door handle, so that the structure can be simplified, the force output by the hydraulic mechanism can be transmitted to the door handle more efficiently, and the loss in the force transmission link is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicles, and in particular to a hidden door handle, a door and a vehicle. Background Art

[0002] In recent years, with the development and popularization of electric vehicles, more and more electric vehicles and traditional fuel vehicles have begun to use hidden door handles. Hidden door handles have many advantages, the most important of which is that they can reduce the resistance of the vehicle during driving, thereby reducing the consumption of electricity (or energy such as fuel).

[0003] Hidden door handles generally include door handles, transmission mechanisms, and motors. The door handle is set in a cavity on the door; the transmission mechanism and the motor are set inside the door; the transmission mechanism is connected between the door handle and the motor, and is driven by the motor and acts on the door handle to drive the door handle to extend outward and retract inward. When the door needs to be opened, the door handle is driven to extend outward, and when the door is closed, the door handle is driven to retract inward, thereby achieving the effect of hiding the door handle during the driving of the vehicle.

[0004] However, the application of hidden door handles also brings other negative problems. For example, in a low temperature, rainy and snowy environment, after a layer of ice and snow is frozen on the outer surface of the door, the hidden door handle cannot be effectively popped out, and the user cannot open the door, affecting the use of the vehicle. Summary of the invention

[0005] One of the purposes of the present invention is to provide a hidden door handle to solve the problem that the hidden door handle in the prior art cannot effectively pop out in a low temperature environment such as freezing; the second purpose is to provide a door; the third purpose is to provide a vehicle.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0007] A hidden door handle comprises a door handle and a hydraulic mechanism; the hydraulic mechanism comprises a hydraulic cylinder and a piston rod; in the hydraulic mechanism, the piston rod reciprocates along a first direction under the action of the hydraulic pressure in the hydraulic cylinder, and the first direction is the inward and outward direction of the door; the piston rod is connected to the door handle to drive the door handle to open outward and close inward.

[0008] According to the above technical means, a hydraulic mechanism is used as a power source to drive the door handle to open and close. Compared with other types of power sources such as motors and cylinders, the hydraulic mechanism can output a greater force, which acts on the door handle and can effectively overcome the resistance of the door handle to open outward and close inward. In a low-temperature environment such as freezing, even if the outer side of the door handle is frozen, under the action of the hydraulic mechanism, the door handle can break the ice and open outward normally. Moreover, the piston rod of the hydraulic mechanism reciprocates along the first direction, and no other transmission mechanism is required between the piston rod and the door handle to change the direction of force transmission, so that the piston rod can be directly connected to the door handle without setting other transmission mechanisms between the piston rod and the door handle. This can simplify the structure on the one hand, and on the other hand, it can also make the hydraulic pressure of the hydraulic mechanism act directly on the door handle through the connection between the piston rod and the door handle, so that the force output by the hydraulic mechanism is more efficiently transmitted to the door handle, reducing the loss in the force transmission link, and can better ensure the ability of the door handle to break ice in a low-temperature environment such as freezing, and ensure the normal outward opening of the door handle.

[0009] Furthermore, the number of the hydraulic mechanisms is more than two, and the piston rod of each of the hydraulic mechanisms is connected to the door handle, and together drive the door handle to open outward or close inward.

[0010] According to the above technical means, the number of hydraulic mechanisms is set to more than two, for example, three, four or more. Such a setting can further increase the hydraulic pressure that the hydraulic mechanism can apply to the door handle as a whole, enhance the ability of the door handle to overcome resistance in the process of opening outward and closing inward, and better ensure that the door handle can be opened outward and closed inward normally. Moreover, in the case where the number of hydraulic mechanisms is multiple, the piston rods of the multiple hydraulic mechanisms are connected to different positions of the door handle, which helps to ensure that the force on the door handle is uniform and avoid damage to the door handle due to the combined effect of the hydraulic pressure applied by the hydraulic mechanism and external resistance. In addition, in the case where the number of hydraulic mechanisms is more than two, different opening and closing methods of the door handle, such as translational opening, swinging opening, etc., can be achieved by setting the movement stroke states of the piston rods of different hydraulic mechanisms.

[0011] Furthermore, there are two hydraulic mechanisms, which are spaced apart in the front-to-rear direction, and whose piston rods are respectively connected to the front area and the rear area of ​​the door handle.

[0012] According to the above technical means, the number of hydraulic mechanisms is set to two, and the two hydraulic mechanisms can apply hydraulic pressure to the door handle in the front area and the rear area respectively, so as to provide support for the door handle in the front and rear areas respectively, thereby avoiding the door handle from being damaged due to external force in the weak support area (the area far away from the connection between the door handle and the piston rod).

[0013] Furthermore, the piston rods of the two hydraulic mechanisms are fixedly connected to the door handle; and the piston rods of the two hydraulic mechanisms move synchronously along the first direction, so that the door handle moves horizontally along the first direction under the drive of the two hydraulic mechanisms.

[0014] According to the above technical means, the movement stroke states of the piston rods of the two hydraulic mechanisms are set to be synchronous, so that the door handle can be driven to open and close in a first direction in a translational manner. In addition, during this process, the force on the door handle in the front-rear direction is substantially uniform.

[0015] Furthermore, the piston rods of the two hydraulic mechanisms are hinged to the door handle; the hidden door handle has a deicing opening mode, and in the deicing opening mode, the piston rods of the two hydraulic mechanisms move outwards alternately along the first direction.

[0016] According to the above technical means, the de-icing opening mode of the hidden door handle is aimed at the situation that the hidden door handle may not be opened normally in a freezing low temperature environment in a normal opening mode. Compared with the normal starting mode, that is, the piston rods of the two hydraulic mechanisms move synchronously along the first direction to make the door handle open outward in a translational manner, in the de-icing opening mode, the piston rods of the two hydraulic mechanisms move outward alternately along the first direction, so that for the door handle, it will not move outward in a translational manner, but will move outward in an inclined posture, and its front area or rear area will first move outward and contact with the ice or other coverings covering the outside of the hidden door handle. The contact area is the force-bearing area between the door handle and the ice or other coverings. At this time, the contact area is only a part of the door handle, not the entire area. In this case, the reduction of the contact area (relative to the normal translation opening mode) will cause the pressure of the door handle on the ice or other coverings to increase, which will be able to and easy to break the ice or other coverings on the outside of the hidden door handle, thereby realizing the normal opening of the door handle outward.

[0017] Furthermore, the hydraulic mechanism also includes a hydraulic motor and a reversing valve; the hydraulic cylinder includes a first chamber and a second chamber; the first chamber is located on the outside of the hydraulic cylinder, and the second chamber is located on the inside of the hydraulic cylinder; the piston rod is arranged in the first chamber; the hydraulic motor is connected to the first chamber through a first oil circuit, and is connected to the second chamber through a second oil circuit; the reversing valve is arranged between the hydraulic motor and the first oil circuit and the second oil circuit, and is used to switch the connection state between the hydraulic motor and the first oil circuit and the second oil circuit.

[0018] According to the above technical means, the reversing valve can change the connectivity of the oil circuit in the hydraulic mechanism, specifically, control the on-off of the first oil circuit and the second oil circuit. When the first oil circuit and the second oil circuit are connected, the hydraulic motor can pump hydraulic oil into the first chamber and the second chamber respectively through the first oil circuit and the second oil circuit. When hydraulic oil is injected into the first chamber (accompanied by the hydraulic oil in the second chamber flowing out), the hydraulic oil can push the piston rod to move inward, thereby pushing the door handle inward to close; when hydraulic oil is injected into the second chamber (accompanied by the hydraulic oil in the first chamber flowing outward), the hydraulic oil can push the piston rod to move outward, thereby pushing the door handle to open outward.

[0019] Furthermore, the hydraulic mechanism has a first state, a second state and a third state; in the first state, the hydraulic motor is connected to the first oil circuit, and hydraulic oil is injected into the first chamber through the first oil circuit; in the second state, the hydraulic motor is connected to the second oil circuit, and hydraulic oil is injected into the second chamber through the second oil circuit; the third state is a cut-off state, in which the hydraulic motor is not connected to the first oil circuit or the second oil circuit.

[0020] According to the above technical means, the first state of the hydraulic mechanism corresponds to the inward closing of the door handle 1, and the second state corresponds to the outward opening of the door handle. The third state is special in that the hydraulic motor is not connected to the first oil circuit and the second oil circuit. In this case, no hydraulic oil is injected into the first chamber and the second chamber, but the hydraulic oil in the first chamber and the second chamber is still retained in the first chamber and the second chamber respectively. Since the hydraulic oil is incompressible, the piston rod is in a fixed state at this time, and accordingly, the door handle is also in a fixed state, and will remain in this fixed state even when the door handle is subjected to external force.

[0021] Further, when the door handle is opened outward to the first predetermined position, the reversing valve is triggered to switch the hydraulic mechanism to the third state, and the hydraulic mechanism remains in the third state after the vehicle door is closed.

[0022] According to the above technical means, when the door handle is opened outward to the first predetermined position, the reversing valve triggers the hydraulic mechanism to switch to the third state, thereby fixing the door handle in the first predetermined position, and even after the vehicle is turned off (including when the vehicle is in the driving process and the vehicle is in the stopped state), it remains in the first predetermined position. In other words, the door handle has an exposed normally open mode. In this exposed normally open mode, the door handle is like an ordinary non-hidden door handle. It is not hidden and will not be closed inward to a hidden state. This setting can meet the usage preferences of different users, especially some users who think that it is incomplete and inconvenient to completely hide the door handle. They can set and maintain the door handle 1 in the exposed state.

[0023] Further, the reversing valve is a three-position reversing valve, and the hydraulic motor is a one-way hydraulic motor; or, the reversing valve is a two-position reversing valve, and the hydraulic motor is a two-way hydraulic motor.

[0024] According to the above technical means, when the reversing valve is a three-position reversing valve, it has three states: forward, reverse, and cut-off; when the door handle is controlled to open outward or close inward, the hydraulic motor only needs to pump hydraulic oil in a predetermined direction, and the reversing valve switches the state of the oil circuit, so that the hydraulic motor pumps hydraulic oil into the first chamber or the second chamber respectively. When the reversing valve is a two-position reversing valve, it has two states: flow state and cut-off state; when the door handle is controlled to open outward or close inward, on the basis of the reversing valve switching from the cut-off state to the flow state, the hydraulic motor realizes pumping hydraulic oil into the first chamber and the second chamber by forward or reverse rotation.

[0025] Furthermore, the hidden door handle also includes a hydraulic controller, which is used to receive a control signal input by a user and set the opening amplitude of the door handle corresponding to the first predetermined position according to the control signal.

[0026] According to the above technical means, through the hydraulic controller, the user can set the first predetermined position, for example, set the first predetermined position to 50% of the maximum opening of the door handle, or set the first predetermined position to 30% of the maximum opening of the door handle, or set the first predetermined position to 100% of the maximum opening of the door handle 1, etc. The hydraulic controller can be specifically manifested as a physical control component inside the vehicle, or it can also be integrated into the vehicle system and operated through a touch screen installed inside the vehicle. For example, when integrated into the vehicle system, the hydraulic controller can be manifested as a slider under the relevant operation interface, and the user can adjust the first predetermined position by performing touch operations on the slider.

[0027] Furthermore, the hidden door handle also includes a position sensor, and the position sensor is used to detect the opening range of the door handle.

[0028] According to the above technical means, by setting a position sensor, the opening position of the door handle can be detected, so that it is convenient to operate and control the hydraulic mechanism on this basis to achieve the state adjustment of the door handle.

[0029] Further, the position sensor includes: a first position sensor, which is a photosensitive sensor or a distance detection sensor, and is arranged on the door handle or the hydraulic cylinder; and / or, a second position sensor, which is a position detection sensor; the position detection sensor includes a sensor and multiple receivers, and the sensor is arranged on the piston rod, and the multiple receivers are fixedly arranged on the periphery of the piston rod at intervals along the moving path of the piston rod; or, the position detection sensor includes multiple sensors and a receiver, and the multiple sensors are arranged on the piston rod at intervals, and the receivers are arranged on the periphery of the piston rod; and / or, a third position sensor, which is a piston stroke sensor; the third position sensor is arranged on the piston rod, and the third position sensor is used to detect the moving stroke of the piston rod.

[0030] According to the above technical means, the type, quantity and setting position of the position sensor can be determined according to different actual needs and trade-offs.

[0031] A vehicle door comprises the above-mentioned hidden door handle.

[0032] A vehicle comprises the above-mentioned vehicle door.

[0033] Furthermore, the vehicle includes a control system, and when the vehicle collides, the control system sends a signal to the hidden door handle to control the hydraulic mechanism of the hidden door handle to drive the door handle to open outwards.

[0034] According to the above technical means, when a vehicle collides, the hydraulic mechanism of the hidden door handle drives the door handle to open outward, so that the door can be opened from the outside, thereby facilitating people outside the vehicle to rescue the driver and passengers inside the vehicle.

[0035] Beneficial effects of the present invention:

[0036] The hidden door handle provided by the present invention adopts a hydraulic mechanism as a power source for driving the door handle to open and close. Compared with other types of power sources such as motors and cylinders, the hydraulic mechanism can output a greater force, which acts on the door handle and can effectively overcome the resistance of the door handle to open outward and close inward. In a low-temperature environment such as freezing, even if the outer side of the door handle is frozen, under the action of the hydraulic mechanism, the door handle can break the ice and open outward normally. Moreover, the piston rod of the hydraulic mechanism reciprocates along the first direction, and no other transmission mechanism is required between the piston rod and the door handle to change the direction of force transmission, so that the piston rod can be directly connected to the door handle without setting other transmission mechanisms between the piston rod and the door handle. This can simplify the structure on the one hand, and on the other hand, it can also make the hydraulic pressure of the hydraulic mechanism directly act on the door handle through the connection between the piston rod and the door handle, and more efficiently transmit the force output by the hydraulic mechanism to the door handle, reducing the loss in the force transmission link, and can better ensure the ability of the door handle to break the ice in a low-temperature environment such as freezing, and ensure the normal outward opening of the door handle.

[0037] The vehicle door and vehicle provided by the present invention, which include the above-mentioned hidden door handle, naturally have the same beneficial effects as the above-mentioned hidden door handle, which will not be described in detail. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 Schematic diagram of the structure of a hidden door handle in an embodiment of the present invention;

[0039] Figure 2 A schematic diagram of a hydraulic motor connected to a first chamber in one embodiment of the present invention;

[0040] Figure 3 A schematic diagram of the connection between the hydraulic motor and the second chamber in one embodiment of the present invention;

[0041] Figure 4 Schematic diagram of a reversing valve in a cut-off state in one embodiment of the present invention.

[0042] Figure 5 It is a schematic diagram of a hydraulic motor connected to the second chamber and the first chamber through forward rotation and reverse rotation in another embodiment of the present invention;

[0043] Figure 6 It is a schematic diagram of a reversing valve in a cut-off state in another embodiment of the present invention.

[0044] in:

[0045] 1-Door handle;

[0046] 2-Hydraulic mechanism;

[0047] 21- hydraulic cylinder; 211- first chamber; 212- second chamber;

[0048] 22-piston rod;

[0049] 23-Hydraulic motor;

[0050] 24- reversing valve;

[0051] 251-first oil circuit; 252-second oil circuit;

[0052] 26- Position sensor. DETAILED DESCRIPTION

[0053] The following will describe the embodiments of the present invention with reference to the accompanying drawings and preferred embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be understood that the preferred embodiments are only for illustrating the present invention, not for limiting the scope of protection of the present invention.

[0054] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0055] For ease of description, spatial relative terms may be used in the text to describe the relative position or movement of an element or feature as shown in the figure relative to another element or feature, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure undergoes a position flip or a change in posture or a change in motion state, then these directional indications will also change accordingly, for example: an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." can include both upper and lower orientations. The device can be oriented otherwise (rotated 90 degrees or in other directions) and the spatial relative descriptors used in the text are interpreted accordingly.

[0056] In one embodiment of the hidden door handle provided by the present invention, Figure 1 As shown, the hidden door handle includes a door handle 1 and a hydraulic mechanism 2; the hydraulic mechanism 2 includes a hydraulic cylinder 21 and a piston rod 22; in the hydraulic mechanism 2, the piston rod 22 reciprocates along a first direction under the action of the liquid pressure in the hydraulic cylinder 21, and the first direction is the inward and outward direction of the door; the piston rod 22 is connected to the door handle 1 to drive the door handle 1 to open outward and close inward.

[0057] In this embodiment, the first direction is the inner and outer direction of the door, wherein the inner direction refers to the direction of the door toward the inside of the vehicle in which the door is used, and the outer direction refers to the direction of the door toward the outside of the vehicle. Taking the vehicle in which the door is used as a reference, it can generally be understood as the left and right direction of the vehicle (corresponding to the state when the door is closed).

[0058] The piston rod 22 is connected to the door handle 1, which means that the two are directly connected, excluding the case where the two are indirectly connected. That is, the movement of the piston rod 22 along the first direction directly acts on the door handle 1, and drives the door handle 1 to reciprocate along the first direction, thereby forming the door handle 1 to open outward and close inward along the first direction.

[0059] In this embodiment, the hydraulic mechanism 2 is used as the power source for driving the door handle 1 to open and close. Compared with other types of power sources such as motors and cylinders, the hydraulic mechanism 2 can output a greater force, which acts on the door handle 1 and can effectively overcome the resistance of the door handle 1 to open outward and close inward. In a low temperature environment such as freezing, even if the outer side of the door handle 1 is frozen, under the action of the hydraulic mechanism 2, the door handle 1 can break the ice and open outward normally.

[0060] Moreover, in this embodiment, the piston rod 22 of the hydraulic mechanism 2 reciprocates along the first direction, and no other transmission mechanism is required between the piston rod 22 and the door handle 1 to change the force transmission direction, so that the piston rod 22 can be directly connected to the door handle 1 without setting other transmission mechanisms between the piston rod 22 and the door handle 1. This can simplify the structure on the one hand, and on the other hand, it can also make the hydraulic pressure of the hydraulic mechanism 2 directly act on the door handle 1 through the connection between the piston rod 22 and the door handle 1, so as to more efficiently transmit the force output by the hydraulic mechanism 2 to the door handle 1, reduce the loss in the force transmission link, and better ensure the ability of the door handle 1 to break ice in low-temperature environments such as freezing, and ensure the normal outward opening of the door handle 1.

[0061] In one embodiment of the present invention, the number of the hydraulic mechanisms 2 is more than two, and the piston rod 22 of each of the hydraulic mechanisms 2 is connected to the door handle 1, and together drive the door handle 1 to open outward or close inward.

[0062] In this embodiment, the number of hydraulic mechanisms 2 is set to more than two, for example, three, four or more. This setting can further increase the hydraulic pressure that the hydraulic mechanism 2 can apply to the door handle 1 as a whole, enhance the ability of the door handle 1 to overcome resistance in the process of opening outward and closing inward, and better ensure that the door handle 1 can be opened normally outward and closed normally inward. Moreover, in the case where the number of hydraulic mechanisms 2 is more than one, the piston rods 22 of the multiple hydraulic mechanisms 2 are connected to different positions of the door handle 1, which helps to ensure that the force on the door handle 1 is uniform and avoids damage to the door handle 1 under the combined action of the hydraulic pressure applied by the hydraulic mechanism 2 and the external resistance. In addition, in the case where the number of hydraulic mechanisms 2 is more than two, different opening and closing modes of the door handle 1, such as translation opening and swing opening, can be achieved by setting the movement stroke states of the piston rods 22 of different hydraulic mechanisms 2.

[0063] Specifically, there are two hydraulic mechanisms 2 , which are spaced apart in the front-to-back direction, and the piston rods 22 thereof are connected to the front region and the rear region of the door handle 1 , respectively.

[0064] In this specific embodiment, the number of hydraulic mechanisms 2 is set to two, and the two hydraulic mechanisms 2 can apply hydraulic pressure to the door handle 1 in the front area and the rear area respectively, and can provide support for the door handle 1 in the front and rear areas respectively, thereby avoiding the door handle 1 from being damaged by external force in the weak support area (the area far away from the connection between the door handle 1 and the piston rod 22).

[0065] Furthermore, the piston rods 22 of the two hydraulic mechanisms 2 are fixedly connected to the door handle 1 ; and the piston rods 22 of the two hydraulic mechanisms 2 move synchronously along the first direction, so that the door handle 1 moves horizontally along the first direction under the drive of the two hydraulic mechanisms 2 .

[0066] In this embodiment, the movement stroke states of the piston rods 22 of the two hydraulic mechanisms 2 are set to be synchronous, so that the door handle 1 can be driven to open and close in a first direction in translation. In addition, during this process, the force on the door handle 1 in the front-rear direction is substantially uniform.

[0067] Furthermore, the piston rods 22 of the two hydraulic mechanisms 2 are hinged to the door handle 1; the hidden door handle has a deicing opening mode, and in the deicing opening mode, the piston rods 22 of the two hydraulic mechanisms 2 move outwards alternately along the first direction.

[0068] In this embodiment, the de-icing opening mode of the hidden door handle is aimed at the situation that the hidden door handle may not be opened normally in a freezing low temperature environment in a normal opening mode. Compared with the normal starting mode, that is, the piston rods 22 of the two hydraulic mechanisms 2 move synchronously along the first direction to make the door handle 1 open outward in a translational manner, in the de-icing opening mode, the piston rods 22 of the two hydraulic mechanisms 2 move outward in the first direction alternately, so that for the door handle 1, it will not move outward in a translational manner, but will move outward in an inclined posture, and its front area or rear area will first move outward and contact with ice or other coverings covering the outside of the hidden door handle. The contact area is the force-bearing area between the door handle 1 and the ice or other coverings. At this time, the contact area is only a part of the door handle 1, not the entire area. In this case, the reduction of the contact area (relative to the normal translational opening method) will cause the pressure of the door handle 1 on the ice and other coverings to increase, which will make it possible and easy to break the ice and other coverings on the outside of the hidden door handle, thereby achieving the normal outward opening of the door handle 1.

[0069] In one embodiment of the present invention, see Figure 2 to Figure 6 The hydraulic mechanism 2 also includes a hydraulic motor 23 and a reversing valve 24; the hydraulic cylinder 21 includes a first chamber 211 and a second chamber 212; the first chamber 211 is located on the outside of the hydraulic cylinder 21, and the second chamber 212 is located on the inside of the hydraulic cylinder 21; the piston rod 22 is arranged in the first chamber 211; the hydraulic motor 23 is connected to the first chamber 211 through a first oil circuit 251, and is connected to the second chamber 212 through a second oil circuit 252; the reversing valve 24 is arranged between the hydraulic motor 23 and the first oil circuit 251 and the second oil circuit 252, and is used to switch the connection state between the hydraulic motor and the first oil circuit 251 and the second oil circuit 252.

[0070] In this embodiment, the reversing valve 24 can change the connection state of the oil circuit in the hydraulic mechanism, specifically, control the opening and closing of the first oil circuit 251 and the second oil circuit 252. When the first oil circuit 251 and the second oil circuit 252 are connected, the hydraulic motor 23 can pump hydraulic oil into the first chamber 211 and the second chamber 212 through the first oil circuit 251 and the second oil circuit 252. When the hydraulic oil is injected into the first chamber 211 (accompanied by the hydraulic oil in the second chamber 212 flowing out), the hydraulic oil can push the piston rod 22 to move inward, thereby pushing the door handle 1 to close inward; when the hydraulic oil is injected into the second chamber 212 (accompanied by the hydraulic oil in the first chamber 211 flowing outward), the hydraulic oil can push the piston rod 22 to move outward, thereby pushing the door handle 1 to open outward.

[0071] In one embodiment of the present invention, the hydraulic mechanism 2 has a first state, a second state and a third state. In the first state, the hydraulic motor 23 is connected to the first oil circuit 251, and hydraulic oil is injected into the first chamber 211 through the first oil circuit 251; in the second state, the hydraulic motor 23 is connected to the second oil circuit 252, and hydraulic oil is injected into the second chamber 212 through the second oil circuit 252; the third state is a cut-off state, in which the hydraulic motor 23 is not connected to the first oil circuit 251 or the second oil circuit 252.

[0072] In this embodiment, the first state of the hydraulic mechanism 2 corresponds to the inward closing of the door handle 1, and the second state corresponds to the outward opening of the door handle 1. The third state is special in that the hydraulic motor 23 is not connected to the first oil circuit 251 and the second oil circuit 252. In this case, no hydraulic oil is injected into the first chamber 211 and the second chamber 212, but the hydraulic oil in the first chamber 211 and the second chamber 212 is still retained in the first chamber 211 and the second chamber 212. Since the hydraulic oil is incompressible, the piston rod 22 is in a fixed state at this time, and accordingly, the door handle 1 is also in a fixed state, and will remain in this fixed state even when the door handle 1 is subjected to external force.

[0073] In this embodiment, the fixed state of the door handle 1 can be in a fully closed state, a fully open state, or a semi-open state. The semi-open state of the door handle 1 means that the outward opening of the door handle 1 is less than the maximum opening, but greater than 0 (i.e., the fully closed state).

[0074] In the actual implementation process, the hydraulic mechanism 2 is controlled in the first state to close the door handle 1 inwards. When the door handle 1 is fully closed inwards, the hydraulic mechanism 2 is switched to the third state, and the door handle 1 can be fixed to the fully closed state, thereby realizing the hiding of the door handle 1. And by controlling the hydraulic mechanism 2 in the second state to open the door handle 1 outwards, when the door handle 1 is opened outwards to be fully opened (or the opening degree set by the user), the hydraulic mechanism 2 is switched to the third state, and the door handle 1 can be fixed to the fully opened state (or the opening degree set by the user), so that the user can hold it to open the door.

[0075] In one embodiment of the present invention, when the door handle 1 is opened outward to the first predetermined position, the reversing valve 24 is triggered to switch the hydraulic mechanism 2 to the third state, and the hydraulic mechanism 2 remains in the third state after the vehicle door is closed.

[0076] In this embodiment, when the door handle 1 is opened outward to the first predetermined position, the reversing valve 24 triggers the hydraulic mechanism 2 to switch to the third state, thereby fixing the door handle 1 in the first predetermined position, and even after the vehicle is closed (including when the vehicle is in the driving process and the vehicle is in the stopped state), it remains in the first predetermined position. In other words, the door handle 1 has an exposed normally open mode. In this exposed normally open mode, the door handle 1 is like an ordinary non-hidden door handle. It is not hidden and will not be closed inward to a hidden state. This setting can meet the usage preferences of different users, especially some users who think that it is incomplete and inconvenient to completely hide the door handle 1. They can set and keep the door handle 1 in the exposed state.

[0077] In this embodiment, the first predetermined position is set by the user, and may be a maximum opening, or any other opening, such as an opening of 50%, 70%, etc.

[0078] In one embodiment of the present invention, Figure 2 to Figure 4 As shown, the reversing valve 24 is a three-position reversing valve, and the hydraulic motor 23 is a one-way hydraulic motor.

[0079] In this embodiment, the reversing valve 24 is a three-position reversing valve, which has three states, namely, forward, reverse, and cut-off. The three states correspond to the first state to the third state of the hydraulic mechanism 2 in the aforementioned embodiment. When the reversing valve 24 is in the forward state, the hydraulic motor 23 drives the hydraulic oil to be injected into the second chamber 212, thereby driving the piston rod 22 to move outward and driving the door handle 1 to open outward; when the reversing valve 24 is in the reverse state, the hydraulic motor 23 drives the hydraulic oil to be injected into the first chamber 211, thereby driving the piston rod 22 to move inward and driving the door handle 1 to close inward; when the reversing valve 24 is in the cut-off state, the hydraulic motor 23 does not drive the hydraulic oil to flow, and no hydraulic oil is injected into the first chamber 211 and the second chamber 212, but the hydraulic oil inside the two chambers is also maintained inside them, and the hydraulic mechanism 2 is in the third state in the aforementioned embodiment, and the position of the door handle 1 is fixed.

[0080] In an alternative embodiment of the present invention, Figure 5 and Figure 6 As shown, the reversing valve 24 is a two-position reversing valve, and the hydraulic motor 23 is a bidirectional hydraulic motor.

[0081] In this embodiment, the reversing valve 24 is a two-position reversing valve, which has two states, namely, a flow state and a cut-off state; the hydraulic motor 23 is a bidirectional hydraulic motor, which can be in two states of forward rotation and reverse rotation. Figure 5 In the state shown, the reversing valve 24 is in the flow state. Figure 6In the state, the reversing valve 24 is in the cut-off state. When the door handle 1 needs to be controlled to open outward, the reversing valve 24 is switched from the cut-off state to the flow state, and the hydraulic motor 23 is set in the forward state, so that the hydraulic motor 23 can inject hydraulic oil into the second chamber 212 and discharge the hydraulic oil in the first chamber 211 outward, thereby driving the piston rod 22 to move outward and drive the door handle 1 to open outward; when the door handle 1 needs to be controlled to close inward, the reversing valve 24 is switched from the cut-off state to the flow state, but the hydraulic motor 23 is set in the reverse state, so that the hydraulic motor 23 can inject hydraulic oil into the first chamber 211 and discharge the hydraulic oil in the second chamber 212 outward, thereby driving the piston rod 22 to move inward and drive the door handle 1 to close inward; when the reversing valve 24 is in the cut-off state, no hydraulic oil is injected into the first chamber 211 and the second chamber 212, but the hydraulic oil inside them is also kept inside, and the hydraulic mechanism 2 is in the third state in the aforementioned embodiment, and the position of the door handle 1 is fixed.

[0082] In one embodiment of the present invention, the hidden door handle also includes a hydraulic controller (not shown in the figure), which is used to receive a control signal input by a user and set the opening amplitude of the door handle 1 corresponding to the first predetermined position according to the control signal.

[0083] In this embodiment, through the hydraulic controller, the user can set the first predetermined position, for example, setting the first predetermined position to 50% of the maximum opening of the door handle 1, or setting the first predetermined position to 30% of the maximum opening of the door handle 1, or setting the first predetermined position to 100% of the maximum opening of the door handle 1, etc.

[0084] Specifically, in actual implementation, the hydraulic controller may be a physical control component inside the vehicle, or may be integrated into the vehicle system and operated through a touch screen installed inside the vehicle. For example, when integrated into the vehicle system, the hydraulic controller may be a slide bar under a related operation interface, and the user may adjust the first predetermined position by performing a touch operation on the slide bar.

[0085] In one embodiment of the present invention, the hidden door handle further includes a position sensor 26 , and the position sensor 26 is used to detect the opening range of the door handle 1 .

[0086] In this embodiment, by providing a position sensor 26 , the opening position of the door handle 1 can be detected, so that the hydraulic mechanism 2 can be operated and controlled on this basis to achieve state adjustment of the door handle 1 .

[0087] Specifically, the scenario of adjusting the state of the door handle 1 according to the opening position of the door handle 1 detected and obtained by the position sensor 26 may include:

[0088] When the door handle 1 is set to the exposed normally open mode, if the position sensor 26 detects that the door handle 1 is in the open state (and in the first predetermined position; if not, it is adjusted to the first predetermined position accordingly, which will not be repeated), the hydraulic mechanism 2 does not work and remains in the third state; if the position sensor detects that the door handle 1 is in the closed state, the reversing valve 24 in the hydraulic mechanism 2 switches to the non-cut-off state, and the hydraulic motor 23 starts working, injecting hydraulic oil into the second chamber 212, driving the piston rod 22 to move outward, so that the door handle 1 opens outward to the first predetermined position, and after reaching the first predetermined position, the hydraulic mechanism 2 switches to the third state.

[0089] When the door handle 1 is set to the normal hidden mode and the vehicle door is in the unlocked state, if the position sensor 26 detects that the door handle 1 is in the open state, the hydraulic mechanism 2 does not work and remains in the third state; if the position sensor detects that the door handle 1 is in the closed state, the reversing valve 24 in the hydraulic mechanism 2 switches to the non-cut-off state, and the hydraulic motor 23 starts working, injecting hydraulic oil into the second chamber 212, driving the piston rod 22 to move outward, so that the door handle 1 opens outward to the first predetermined position, and after reaching the first predetermined position, the hydraulic mechanism 2 switches to the third state.

[0090] When the door handle 1 is set to the normal hidden mode and the vehicle door is in the locked state, if the position sensor 26 detects that the door handle 1 is in the closed hidden state, the hydraulic mechanism 2 does not work and remains in the third state; if the position sensor 26 detects that the door handle 1 is in the open state, the reversing valve 24 in the hydraulic mechanism 2 switches to the non-cut-off state, and the hydraulic motor 23 starts working, injecting hydraulic oil into the first chamber 211, driving the piston rod 22 to move inward, so that the door handle 1 moves inward to the completely hidden closed state, and thereafter the hydraulic mechanism 2 is switched to the third state.

[0091] When the user sends a door unlocking command to the vehicle's onboard system through wireless communication such as Bluetooth, if the door handle 1 is set to the exposed normally open mode, the hydraulic mechanism 2 does not work and remains in the third state. If the door handle 1 is set to the normal hidden state mode, when the position sensor 26 detects that the door handle 1 is in the outward open state, the hydraulic mechanism 2 does not work and remains in the third state; when the position sensor 26 detects that the door handle 1 is in the closed hidden state, the reversing valve 24 in the hydraulic mechanism 2 switches to the non-cut-off state, and the hydraulic motor 23 starts to work, injecting hydraulic oil into the second chamber 212, driving the piston rod 22 to move outward, so that the door handle 1 opens outward to the first predetermined position, and after reaching the first predetermined position, the hydraulic mechanism 2 switches to the third state.

[0092] When the user sends a door lock command to the vehicle's onboard system through wireless communication such as Bluetooth, if the door handle 1 is set to the exposed normally open mode, the hydraulic mechanism 2 does not work and remains in the third state. If the door handle 1 is set to the normal hidden state mode, when the position sensor 26 detects that the door handle 1 is in a closed hidden state, the hydraulic mechanism 2 does not work and remains in the third state; and when the position sensor 26 detects that the door handle 1 is in an outwardly open state, the reversing valve 24 in the hydraulic mechanism 2 switches to a non-cut-off state, and the hydraulic motor 23 starts to work, injecting hydraulic oil into the first chamber 211, driving the piston rod 22 to move inward, so that the door handle 1 moves inward to a fully closed state. After the door handle 1 is completely hidden, the hydraulic mechanism 2 switches to the third state.

[0093] In one embodiment of the present invention, the position sensor 26 includes a first position sensor, which is a photosensitive sensor or a distance detection sensor, and the first position sensor is disposed on the door handle 1 or the hydraulic cylinder 2 .

[0094] In an alternative embodiment of the present invention, the position sensor 26 includes a second position sensor, which is a position detection sensor; the position detection sensor includes a sensor and a plurality of receivers, the sensor is arranged on the piston rod, and the plurality of receivers are fixedly arranged on the periphery of the piston rod 22 at intervals along the moving path of the piston rod 22. Alternatively, the position detection sensor includes a plurality of sensors and a receiver, the plurality of sensors are arranged on the piston rod 22 at intervals, and the receivers are arranged on the periphery of the piston rod 22.

[0095] In an alternative embodiment of the present invention, the position sensor 26 includes a third position sensor, which is a piston stroke sensor; the third position sensor is disposed on the piston rod 22 , and the third position sensor is used to detect the movement stroke of the piston rod 22 .

[0096] In other embodiments of the present invention, the position sensor 26 may also include two or all of the first position sensor, the second position sensor and the third position sensor.

[0097] In summary, the hidden door handle provided by the above embodiment of the present invention adopts a hydraulic mechanism 2 as a power source to drive the door handle 1 to open and close. Compared with other types of power sources such as motors and cylinders, the hydraulic mechanism 2 can output a greater force, which acts on the door handle 1 and can effectively overcome the resistance encountered by the door handle 1 when opening outward and closing inward. In a low-temperature environment such as freezing, even if the outer side of the door handle 1 is frozen, under the action of the hydraulic mechanism 2, the door handle 1 can break the ice and open outward normally. Moreover, the piston rod 22 of the hydraulic mechanism 2 reciprocates along the first direction, and no other transmission mechanism is required between the piston rod 22 and the door handle 1 to change the direction of force transmission, so that the piston rod 22 can be directly connected to the door handle 1 without setting other transmission mechanisms between the piston rod 22 and the door handle 1. On the one hand, this can simplify the structure, and on the other hand, it can also allow the hydraulic pressure of the hydraulic mechanism 2 to act directly on the door handle 1 through the connection between the piston rod 22 and the door handle 1, thereby more efficiently transmitting the force output by the hydraulic mechanism 2 to the door handle 1 and reducing the loss in the force transmission link. This can also better ensure the door handle 1's ability to break ice in low-temperature environments such as freezing, thereby ensuring the normal outward opening of the door handle 1.

[0098] In an embodiment of the vehicle door provided by the present invention, the vehicle door includes the hidden door handle described in the above embodiment of the present invention.

[0099] The vehicle door in the embodiment of the present invention includes the hidden door handle described in the above embodiment of the present invention, which of course has the same beneficial effects as the hidden door handle described in the above embodiment, and will not be described in detail.

[0100] In an embodiment of the vehicle provided by the present invention, the vehicle includes the vehicle door described in the above embodiment of the present invention.

[0101] The vehicle in the embodiment of the present invention includes the vehicle door described in the above embodiment of the present invention, and of course has the same beneficial effects as the vehicle door described in the above embodiment, which will not be described in detail.

[0102] In one embodiment of the present invention, the vehicle includes a control system, and when the vehicle collides, the control system sends a signal to the hidden door handle to control the hydraulic mechanism 2 of the hidden door handle to drive the door handle 1 to open outwards.

[0103] In this embodiment, the so-called vehicle collision may be specifically the detection result of the corresponding sensor on the vehicle, or may be based on the deployment of the airbag configured inside the vehicle. In the event of a vehicle collision and the deployment of the airbag, the driver and passengers inside the vehicle may be injured or in danger, and it may be difficult for them to get out of the vehicle alone. If people outside the vehicle want to rescue the driver and passengers inside the vehicle, they also need to open the door first. In this case, the vehicle in this embodiment drives the door handle 1 to open outwards through the hydraulic mechanism 2 of the hidden door handle, so as to facilitate opening the door from the outside and facilitate the rescue of the driver and passengers inside the vehicle.

[0104] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0105] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0106] The foregoing is merely a specific embodiment of the present invention, which enables those skilled in the art to understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A hidden door handle, characterized in that: The hidden door handle includes a door handle and a hydraulic mechanism; the hydraulic mechanism includes a hydraulic cylinder and a piston rod; in the hydraulic mechanism, the piston rod reciprocates along a first direction under the action of the liquid pressure in the hydraulic cylinder, and the first direction is the inward and outward direction of the door; the piston rod is connected to the door handle to drive the door handle to open outward and close inward.

2. The hidden door handle according to claim 1, characterized in that: The number of the hydraulic mechanisms is more than two, and the piston rod of each hydraulic mechanism is connected to the door handle, and together drive the door handle to open outward or close inward.

3. The hidden door handle according to claim 2, characterized in that: There are two hydraulic mechanisms, which are spaced apart in the front-to-back direction, and whose piston rods are respectively connected to the front area and the rear area of ​​the door handle.

4. The hidden door handle according to claim 3, characterized in that: The piston rods of the two hydraulic mechanisms are fixedly connected to the door handle; and the piston rods of the two hydraulic mechanisms move synchronously along the first direction, so that the door handle moves horizontally along the first direction under the drive of the two hydraulic mechanisms.

5. The hidden door handle according to claim 4, characterized in that: The piston rods of the two hydraulic mechanisms are hinged to the door handle; the hidden door handle has a deicing opening mode, in which the piston rods of the two hydraulic mechanisms move outwards alternately along a first direction.

6. The hidden door handle according to claim 1, characterized in that: The hydraulic mechanism also includes a hydraulic motor and a reversing valve; The hydraulic cylinder comprises a first chamber and a second chamber; the first chamber is located outside the hydraulic cylinder, and the second chamber is located inside the hydraulic cylinder; the piston rod is arranged in the first chamber; The hydraulic motor is connected to the first chamber via a first oil circuit, and is connected to the second chamber via a second oil circuit; The reversing valve is disposed between the hydraulic motor and the first oil circuit and the second oil circuit, and is used to switch the communication state between the hydraulic motor and the first oil circuit and the second oil circuit.

7. The hidden door handle according to claim 6, characterized in that: The hydraulic mechanism has a first state, a second state and a third state; In the first state, the hydraulic motor is connected to the first oil circuit, and hydraulic oil is injected into the first chamber through the first oil circuit; In the second state, the hydraulic motor is connected to the second oil circuit, and hydraulic oil is injected into the second chamber through the second oil circuit; The third state is a cut-off state, in which the hydraulic motor is not connected to the first oil passage or the second oil passage.

8. The hidden door handle according to claim 7, characterized in that: When the door handle is opened outward to a first predetermined position, the reversing valve is triggered to switch the hydraulic mechanism to the third state, and the hydraulic mechanism is maintained in the third state after the vehicle door is closed.

9. The hidden door handle according to claim 8, characterized in that: The reversing valve is a three-position reversing valve, and the hydraulic motor is a one-way hydraulic motor; or The reversing valve is a two-position reversing valve, and the hydraulic motor is a bidirectional hydraulic motor.

10. The hidden door handle according to claim 8 or 9, characterized in that: The hidden door handle further includes a hydraulic controller, which is used to receive a control signal input by a user and set the opening amplitude of the door handle corresponding to the first predetermined position according to the control signal.

11. The hidden door handle according to claim 1, characterized in that: The hidden door handle further comprises a position sensor, and the position sensor is used to detect the opening range of the door handle.

12. The hidden door handle according to claim 11, characterized in that: The position sensor comprises: A first position sensor, wherein the first position sensor is a photosensitive sensor or a distance detection sensor, and the first position sensor is disposed on the door handle or the hydraulic cylinder; and / or a second position sensor, the second position sensor is a position detection sensor; the position detection sensor comprises a sensor and a plurality of receivers, the sensor is arranged on the piston rod, and the plurality of receivers are fixedly arranged on the periphery of the piston rod at intervals along the moving path of the piston rod; or, the position detection sensor comprises a plurality of sensors and a receiver, the plurality of sensors are arranged on the piston rod at intervals, and the receivers are arranged on the periphery of the piston rod; and / or The third position sensor is a piston stroke sensor; the third position sensor is arranged on the piston rod, and the third position sensor is used to detect the movement stroke of the piston rod.

13. A vehicle door, characterized in that: The vehicle door comprises the hidden door handle according to any one of claims 1 to 12.

14. A vehicle, characterized in that: The vehicle comprises the door of claim 13.

15. The vehicle according to claim 14, characterized in that The vehicle includes a control system, and when the vehicle collides, the control system sends a signal to the hidden door handle to control the hydraulic mechanism of the hidden door handle to drive the door handle to open outwards.

Images