Lock device and automobile

Abstract

The utility model provides a lock device. The lock device comprises a lock tongue; the motor unit outputs a rotation action through an output shaft; the transmission part receives the rotation action output by the output shaft; the nut block is in transmission connection with the transmission part, and the rotation action output by the transmission part is converted into linear action so as to be at least used for driving the spring bolt, so that the spring bolt executes a locking function; the transmission part comprises a transmission gear and a transmission screw, the transmission gear is meshed with the output shaft, the first end of the transmission screw is fixedly connected with the center of the transmission gear, and the transmission screw is sleeved with the nut block so as to be in transmission connection with the nut block; a first switch and a second switch are arranged in the axis direction of the transmission screw rod, when the nut block is located at a first position on the transmission screw rod, the first switch is triggered, and when the nut block is located at a second position on the transmission screw rod, the second switch is triggered; a trigger signal generated when the second switch is triggered indicates that the spring bolt reaches the full-lock position. The utility model further provides an automobile.

Description

Technical Field

[0001] The present disclosure relates to the technical field of automobile locks, and in particular to a lock device and an automobile. Background Art

[0002] With the development of vehicle technology, the overall performance requirements for door components are constantly increasing.

[0003] The structure of vehicle locks in the prior art, such as car door locks, needs to be continuously optimized and improved.

[0004] The locking device described in the applicant's prior patent application CN2020112756138 uses a neutral switch to indicate the position of the nut block. When the lock tongue reaches the fully locked position / fully open position, it is necessary to rely on the signal of the ratchet switch or the lock tongue switch to reverse the motor to drive the nut block to reset. That is, in some working conditions, the position of the nut block needs to be indicated by the state of the ratchet switch or the lock tongue switch. The accuracy and reliability of this method need to be further improved. Utility Model Content

[0005] The present disclosure provides a lock device and a car.

[0006] According to one aspect of the present disclosure, there is provided a lock device, comprising:

[0007] Lock tongue;

[0008] A motor unit, wherein the motor unit outputs a rotational motion through an output shaft;

[0009] a transmission part, the transmission part receiving the rotational motion output by the output shaft;

[0010] A nut block, the nut block is in driving connection with the transmission part, converting the rotational motion output by the transmission part into a linear motion to at least drive the lock tongue so that the lock tongue performs a locking function;

[0011] The transmission part comprises a transmission gear and a transmission screw, the transmission gear is meshed with the output shaft, the first end of the transmission screw is fixedly connected to the center of the transmission gear, and the nut block is sleeved on the transmission screw to be transmission-connected with the transmission screw;

[0012] Wherein, a first switch and a second switch are arranged in the axial direction of the transmission screw, when the nut block is in the first position on the transmission screw, the first switch is triggered, and when the nut block is in the second position on the transmission screw, the second switch is triggered;

[0013] The trigger signal generated when the second switch is triggered indicates that the lock tongue reaches the fully locked position.

[0014] According to the lock device of at least one embodiment of the present disclosure, the first switch is closer to the first end of the transmission screw than the second switch.

[0015] According to the lock device of at least one embodiment of the present disclosure, when the second switch is triggered to generate a trigger signal, the motor unit is reversed to cause the nut block to move in the opposite direction to leave the trigger position of the second switch.

[0016] According to the locking device of at least one embodiment of the present disclosure, when the nut block moves in the reverse direction to escape from the triggering position of the second switch and triggers the first switch again, the motor unit stops outputting the rotational motion.

[0017] According to at least one embodiment of the present disclosure, the lock device further includes:

[0018] A third switch, wherein the third switch is arranged between the first end of the transmission screw and the first switch, and when the nut block is driven to disengage from the triggering position of the first switch and then reach the triggering position of the third switch, the motor unit is reversed to make the nut block move in the opposite direction to disengage from the triggering position of the third switch.

[0019] According to the locking device of at least one embodiment of the present disclosure, when the nut block moves in the reverse direction to escape from the triggering position of the third switch and triggers the first switch again, the motor unit stops outputting the rotational motion.

[0020] According to at least one embodiment of the present disclosure, the lock device further includes:

[0021] The self-priming mechanism comprises a self-priming driving rod and a self-priming executing rod. The nut block pushes the self-priming executing rod, and the self-priming executing rod drives the self-priming driving rod to drive the locking tongue so that the locking tongue reaches the fully locked position.

[0022] According to at least one embodiment of the present disclosure, the lock device further includes:

[0023] An unlocking rod and a pawl, wherein the nut block pushes the unlocking rod, and the unlocking rod pushes the pawl, so that the pawl can release the lock of the lock tongue in the fully locked position.

[0024] According to the locking device of at least one embodiment of the present disclosure, the nut block includes a nut block boss portion, and the nut block triggers the first switch, the second switch, and the third switch via the nut block boss portion.

[0025] According to another aspect of the present disclosure, a vehicle is provided, comprising the lock device according to any one embodiment of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description serve to explain the principles of the present disclosure. These drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification.

[0027] Figures 1 to 4 It is a schematic structural diagram of a lock device according to an embodiment of the present disclosure during the process of performing a self-priming function.

[0028] Figure 5 and Figure 6 It is a schematic structural diagram of a lock device according to an embodiment of the present disclosure during an unlocking process.

[0029] Figure 7 It is a partial structural schematic diagram of a lock device according to another embodiment of the present disclosure.

[0030] Description of Reference Numerals

[0031] 102 Pawl

[0032] 103 Lock tongue

[0033] 104 Release lever

[0034] 105 Self-priming mechanism

[0035] 202 Motor unit

[0036] 203 Deadbolt switch

[0037] 204 Ratchet switch

[0038] 206 Transmission

[0039] 207 Nut Block

[0040] 2021 Output shaft

[0041] 1031 Suction and bite part

[0042] 1051 Self-priming drive rod

[0043] 1052 Self-priming actuator

[0044] 2021 Output shaft

[0045] 2051 First Switch

[0046] 2052 Second switch

[0047] 2053 Third switch

[0048] 2061 Transmission gear

[0049] 2062 Screw

[0050] 2063 Bearing

[0051] 2071 nut block boss. DETAILED DESCRIPTION

[0052] The present disclosure is further described in detail below in conjunction with the accompanying drawings and implementations. It is understood that the specific implementations described herein are only used to explain the relevant content, rather than to limit the present disclosure. It should also be noted that, for ease of description, only the parts related to the present disclosure are shown in the accompanying drawings.

[0053] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in the present disclosure can be combined with each other. The technical solution of the present disclosure will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0054] Unless otherwise specified, the exemplary embodiments / embodiments shown will be understood as providing exemplary features of various details of some ways in which the technical concept of the present disclosure can be implemented in practice. Therefore, unless otherwise specified, the features of the various embodiments / embodiments can be combined, separated, interchanged and / or rearranged without departing from the technical concept of the present disclosure.

[0055] The use of cross-hatching and / or shading in the accompanying drawings is generally used to make the boundaries between adjacent components clear. As such, unless otherwise specified, the presence or absence of cross-hatching or shading does not convey or indicate any preference or requirement for the specific materials, material properties, dimensions, proportions, commonalities between the components shown, and / or any other characteristics, attributes, properties, etc. of the components. In addition, in the accompanying drawings, the sizes and relative sizes of the components may be exaggerated for clarity and / or descriptive purposes. When the exemplary embodiments can be implemented differently, the specific process sequence can be performed in a different order than described. For example, two successively described processes can be performed substantially simultaneously or in an order opposite to the described order. In addition, the same figure numbers represent the same components.

[0056] When a component is referred to as being "on" or "over," "connected to," or "coupled to" another component, the component may be directly on, directly connected to, or directly coupled to the other component, or intervening components may be present. However, when a component is referred to as being "directly on," "directly connected to," or "directly coupled to" another component, there are no intervening components. For this purpose, the term "connected" may refer to a physical connection, an electrical connection, etc., with or without intervening components.

[0057] For descriptive purposes, the present disclosure may use spatially relative terms such as "under," "beneath," "under," "down," "over," "upper," "above," "higher," and "side (e.g., in a "sidewall")," to describe the relationship of one component to another (other) component as shown in the accompanying drawings. The spatially relative terms are intended to encompass different orientations of the device in use, operation, and / or manufacture in addition to the orientation depicted in the accompanying drawings. For example, if the device in the accompanying drawings is turned over, components described as "under" or "beneath" other components or features would subsequently be positioned "over" the other components or features. Thus, the exemplary term "under" can encompass both the "above" and "below" orientations. Furthermore, the device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein should be interpreted accordingly.

[0058] The terms used here are for the purpose of describing specific embodiments, and are not intended to be restrictive. As used here, unless the context clearly indicates otherwise, the singular forms "one (kind, person)" and "said (the)" are also intended to include plural forms. In addition, when the terms "comprise" and / or "include" and their variations are used in this specification, it is explained that there are stated features, integral bodies, steps, operations, parts, assemblies and / or their groups, but it is not excluded that there are or add one or more other features, integral bodies, steps, operations, parts, assemblies and / or their groups. It should also be noted that, as used here, the terms "substantially", "approximately" and other similar terms are used as approximate terms and not as degree terms, so that they are used to explain the inherent deviations of the measured values, calculated values ​​and / or the values ​​provided that will be recognized by those of ordinary skill in the art.

[0059] Figures 1 to 6 The structure diagram of the lock device of the present invention in different states is shown.

[0060] Combined with the following Figures 1 to 6 The lock device of the present disclosure is described in detail.

[0061] It should be noted that the locking device disclosed in the present invention is a further optimized design of the structure of the locking device of the applicant's prior patent application CN2020112756138, and its related technical content is cited in the present disclosure.

[0062] refer to Figures 1 to 6 The motor unit 202 of the lock device disclosed in the present invention outputs a rotational motion through an output shaft, and a gear matched with the output shaft receives the rotational motion of the output shaft, and reduces the speed and reverses the rotational motion output by the output shaft.

[0063] The output shaft 2021 may be a worm gear.

[0064] The transmission part 206 has a transmission gear 2061 and a screw 2062. The worm of the motor unit 202 meshes with the transmission gear 2061 of the transmission part 206 to transmit the rotation of the motor unit 202 to the transmission part 206. The screw 2062 meshes with the nut block 207 to convert the rotation of the transmission part 206 into the reciprocating motion of the nut block 207.

[0065] The rotation of the nut block 207 can be restricted by structures such as the housing of the locking device, so that the nut block 207 does not rotate.

[0066] The nut block 207 is provided with an internal threaded hole, through which the nut block 207 can be sleeved on the screw rod 2062 . The internal thread of the internal threaded hole of the nut block 207 cooperates with the external thread of the screw rod 2062 to convert the rotational motion of the screw rod 2062 into the linear motion of the nut block 207 .

[0067] In some embodiments of the present disclosure, the screw rod 2062 of the transmission part 206 is integrally formed with or fixedly connected to the transmission gear 2061 , which all fall within the protection scope of the present disclosure.

[0068] In some embodiments of the present disclosure, Figure 1 As shown, the nut block 207 has a nut block boss portion 2071 , and the position of the nut block 207 is indicated by the cooperation between the nut block boss portion 2071 and the first switch 2051 and the second switch 2052 .

[0069] In some embodiments of the present disclosure, reference Figure 1 A bearing 2063 is provided at one axial end of the transmission part 206 to improve the bearing capacity of the transmission part 206 .

[0070] refer to Figure 1 In some embodiments of the present disclosure, the lock body mechanism includes a pawl 102 , a lock tongue 103 , and a self-priming mechanism 105 .

[0071] The structure of the lock body mechanism of the present disclosure may adopt the structure of the lock body mechanism in the applicant's prior Chinese patent CN112227851A, which will not be described in detail in the present disclosure.

[0072] like Figures 1 to 4 , which is a schematic diagram of the self-priming process (i.e., locking process) of the locking device disclosed in the present invention.

[0073] Figure 1 The lock device is shown in the fully open position. The bolt switch 203 is not triggered, the pawl switch 204 is triggered, and the first switch 2051 is triggered. The state signals of these three switches can indicate that the lock device is in the fully open position.

[0074] When the lock tongue 103 is pushed until the lock tongue switch 203 is triggered, the motor unit 202 can output a rotation action such as forward rotation based on the trigger signal of the lock tongue switch 203, so that the transmission part 206 rotates forward, and the rotation of the transmission part 206 drives the nut block 207 to move to the right, such as Figure 2 As shown, the first switch 2051 is released, and at the same time, the nut block 207 pushes the self-priming actuator rod 1052 of the self-priming mechanism 105, so that the first end of the self-priming drive rod 1051 of the self-priming mechanism 105 bites the suction bite portion 1031 on the lock tongue 103, as shown in FIG. Figure 2 shown.

[0075] As the nut block 207 continues to move to the right, the self-priming driving rod 1051 of the self-priming mechanism 105 will gradually push the lock tongue 103 to the fully locked position. Figure 3 As shown, at this time, the pawl 102 will lock into the lock tongue 103 to keep the lock tongue 103 in the fully locked position, while releasing the pawl switch 204. At the same time, the second switch 2052 is triggered by the nut block 207.

[0076] By configuring the second switch 2052 , the present disclosure can more accurately indicate the movement position of the nut block 207 , thereby more accurately indicating the full lock position of the lock tongue 103 , and generate a reverse power-on signal for the motor unit 202 based on the trigger signal of the second switch 2052 .

[0077] The motor unit 202 is reversely energized based on the trigger signal of the second switch 2052, outputs a reverse rotation action, and drives the nut block 207 to move leftward through the transmission part 206, such as Figure 4 As shown, until the first switch 2051 is triggered again, the nut block 207 releases the self-priming mechanism 105, and the self-priming mechanism 105 returns to the initial position under the action of the reset spring, as shown in FIG. Figure 4 As shown, the whole suction process is completed.

[0078] Figure 5 and Figure 6 The unlocking process of the lock device of the present disclosure is shown.

[0079] like Figure 5 As shown, when the vehicle control system receives the unlocking signal, the motor unit 202 is energized (eg, the motor reverses), and the nut block 207 is driven to move leftward through the transmission part 206, so that the first switch 2051 is released, and at the same time the nut block 207 pushes the unlocking rod 104 to rotate.

[0080] The unlocking lever 104 pushes the pawl 102 to the unlocking position and triggers the pawl switch 204. Figure 5 As shown, at this time, the lock tongue 103 will rotate to the fully open position ( Figure 5The counterclockwise direction in the figure can be realized based on a reset spring with a preload force, which will not be described in detail). When the lock tongue 103 triggers the lock tongue switch 203, the motor unit 202 will be energized in the reverse direction (for example, the motor rotates forward), and the nut block 207 is driven to move to the right through the transmission part 206 until the first switch 2051 is triggered. Figure 6 As shown, the entire unlocking process is completed.

[0081] Figure 7 It is a partial structural schematic diagram of a locking device of an embodiment of the present invention. In this embodiment, three nut block trigger switches can be configured, namely the first switch 2051, the second switch 2052 and the third switch 2053. When the second switch 2052 is triggered, it is used to indicate that the nut block 207 has driven the lock tongue 103 to the fully locked position. When the third switch 2053 is triggered, it is used to indicate that the nut block 207 has driven the pawl 102 to the unlocked position, thereby releasing the lock on the lock tongue 103. The lock tongue 103 will rotate counterclockwise to the fully open position under the action of the preload spring (not shown).

[0082] use Figure 7 The structure shown, Figures 1 to 6 The bolt switch 203 and the pawl switch 204 shown in the figure can be eliminated, simplifying the structure of the lock device of the present disclosure.

[0083] Based on the above description, the present disclosure may provide a lock device with the following technical solution.

[0084] Technical solution 1:

[0085] The lock device comprises: a lock tongue 103; a motor unit 202, the motor unit 202 outputs a rotational motion through an output shaft 2021; a transmission part 206, the transmission part 206 receives the rotational motion output by the output shaft 2021; and a nut block 207, the nut block 207 is transmission-connected with the transmission part 206, converts the rotational motion output by the transmission part 206 into a linear motion to at least drive the lock tongue 103, so that the lock tongue 103 performs a locking function; the transmission part 206 comprises a transmission gear 2061 and a transmission screw 2062, the transmission gear 2061 is meshed with the output shaft 2021, and the transmission screw 2062 is meshed with the output shaft 2021. The first end of 62 is fixedly connected to the center of the transmission gear 2061, and the nut block 207 is sleeved on the transmission screw 2062 to be transmission-connected to the transmission screw 2062; wherein, a first switch 2051 and a second switch 2052 are arranged in the axial direction of the transmission screw 2062, when the nut block 207 is in the first position on the transmission screw 2062, the first switch 2051 is triggered, and when the nut block 207 is in the second position on the transmission screw 2062, the second switch 2052 is triggered; the trigger signal generated when the second switch 2052 is triggered indicates that the lock tongue 103 has reached the fully locked position.

[0086] Technical solution 2:

[0087] According to the locking device of technical solution 1, the first switch 2051 is closer to the first end of the transmission screw 2062 than the second switch 2052.

[0088] Technical solution 3:

[0089] According to the locking device of technical solution 1 or 2, when the second switch 2052 is triggered to generate a trigger signal, the motor unit 202 is reversed to cause the nut block 207 to move in the opposite direction to disengage from the trigger position of the second switch 2052.

[0090] Technical solution 4:

[0091] According to the locking device of technical solution 3, when the nut block 207 moves in the reverse direction to disengage from the triggering position of the second switch 2052 and triggers the first switch 2051 again, the motor unit 202 stops outputting the rotation action.

[0092] Technical solution 5:

[0093] The locking device according to technical solution 4 also includes:

[0094] The third switch is configured between the first end of the transmission screw 2062 and the first switch 2051. When the nut block 207 is driven to disengage from the trigger position of the first switch 2051 and then reach the trigger position of the third switch, the motor unit 202 is reversed to make the nut block 207 move in the opposite direction to disengage from the trigger position of the third switch.

[0095] Technical solution 6:

[0096] According to the locking device of technical solution 5, when the nut block 207 moves in the reverse direction to disengage from the triggering position of the third switch 2053 and triggers the first switch 2051 again, the motor unit 202 stops outputting the rotation action.

[0097] Technical solution 7:

[0098] The locking device of technical solution 6 further includes:

[0099] The self-priming mechanism includes a self-priming driving rod 1051 and a self-priming executing rod 1052. The nut block 207 pushes the self-priming executing rod 1052, and the self-priming executing rod 1052 drives the self-priming driving rod 1051 to drive the lock tongue 103, so that the lock tongue 103 reaches the fully locked position.

[0100] Technical solution 8:

[0101] The locking device according to technical solution 7 also includes:

[0102] The unlocking rod 104 and the pawl 102, the nut block 207 pushes the unlocking rod 104, and the unlocking rod 104 pushes the pawl 102, so that the pawl 102 can release the lock of the lock tongue 103 located in the fully locked position.

[0103] Technical solution 9:

[0104] According to the locking device of technical solution 8, the nut block 207 includes a nut block boss portion 2071 , and the nut block 207 triggers the first switch, the second switch and the third switch via the nut block boss portion 2071 .

[0105] Technical solution 10:

[0106] A car, comprising the locking device of any one of technical solutions 1 to 9.

[0107] The lock device disclosed in the present invention can be used as a self-priming back door lock of an automobile. The lock device disclosed in the present invention can also be used as an electric self-priming tail door lock of an automobile.

[0108] In the description of this specification, the description with reference to the terms "one embodiment / method", "some embodiments / methods", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment / method or example are included in at least one embodiment / method or example of the present disclosure. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment / method or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments / methods or examples. In addition, those skilled in the art may combine and combine the different embodiments / methods or examples described in this specification and the features of the different embodiments / methods or examples, unless they are contradictory.

[0109] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present disclosure, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0110] Those skilled in the art should understand that the above embodiments are only for the purpose of clearly illustrating the present disclosure, and are not intended to limit the scope of the present disclosure. For those skilled in the art, other changes or modifications may be made based on the above disclosure, and these changes or modifications are still within the scope of the present disclosure.

Claims

1. A locking device, characterized in that: include: Lock tongue; A motor unit, wherein the motor unit outputs a rotational motion through an output shaft; a transmission part, the transmission part receiving the rotational motion output by the output shaft; as well as A nut block, the nut block is in driving connection with the transmission part, converting the rotational motion output by the transmission part into a linear motion to at least drive the lock tongue so that the lock tongue performs a locking function; The transmission part comprises a transmission gear and a transmission screw, the transmission gear is meshed with the output shaft, the first end of the transmission screw is fixedly connected to the center of the transmission gear, and the nut block is sleeved on the transmission screw to be transmission-connected with the transmission screw; Wherein, a first switch and a second switch are arranged in the axial direction of the transmission screw, when the nut block is in the first position on the transmission screw, the first switch is triggered, and when the nut block is in the second position on the transmission screw, the second switch is triggered; The trigger signal generated when the second switch is triggered indicates that the lock tongue reaches the fully locked position.

2. The lock device according to claim 1, characterized in that: The first switch is closer to the first end of the drive screw than the second switch.

3. The lock device according to claim 1 or 2, characterized in that: When the second switch is triggered to generate a trigger signal, the motor unit is reversed to make the nut block move in the opposite direction to leave the trigger position of the second switch.

4. The lock device according to claim 3, characterized in that: When the nut block moves in the reverse direction to leave the triggering position of the second switch and triggers the first switch again, the motor unit stops outputting the rotation action.

5. The lock device according to claim 4, characterized in that: Also includes: A third switch, wherein the third switch is arranged between the first end of the transmission screw and the first switch, and when the nut block is driven to disengage from the triggering position of the first switch and then reach the triggering position of the third switch, the motor unit is reversed to make the nut block move in the opposite direction to disengage from the triggering position of the third switch.

6. The lock device according to claim 5, characterized in that: When the nut block moves in the reverse direction to leave the triggering position of the third switch and triggers the first switch again, the motor unit stops outputting the rotation action.

7. The lock device according to claim 6, characterized in that: Also includes: The self-priming mechanism comprises a self-priming driving rod and a self-priming executing rod. The nut block pushes the self-priming executing rod, and the self-priming executing rod drives the self-priming driving rod to drive the locking tongue so that the locking tongue reaches the fully locked position.

8. The lock device according to claim 7, characterized in that: Also includes: An unlocking rod and a pawl, wherein the nut block pushes the unlocking rod, and the unlocking rod pushes the pawl, so that the pawl can release the lock of the lock tongue in the fully locked position.

9. The lock device according to claim 8, characterized in that: The nut block includes a nut block boss portion, and the nut block triggers the first switch, the second switch, and the third switch via the nut block boss portion.

10. An automobile, characterized in that: A lock device comprising the lock device according to any one of claims 1 to 9.

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