Navigation equipment

Abstract

The present invention discloses a navigation device, including a shell, a terminal, a driving device, a first screw connection, a second screw connection and a locking member. The shell is provided with a receiving groove for receiving the terminal, and the locking member is used to lock the terminal. The first screw connection is sleeved with the second screw connection, and the driving device drives the first screw connection to rotate. When the first screw connection and the second screw connection rotate relative to each other, the second screw connection performs a telescopic movement relative to the first screw connection, and then the terminal is pushed out of the receiving groove through the locking member. At this time, the first screw connection and the second screw connection rotate relative to each other to the extreme position, and the driving device can drive the first screw connection and the second screw connection to rotate together, and then the terminal is unlocked through the locking member. By adopting the above movement, the terminal can be pushed out of the receiving groove and unlocked by a driving device and a transmission member, and the structure is simple.

Description

Technical Field

[0001] The present invention relates to the field of vehicle-mounted equipment, and in particular to a navigation device. Background Art

[0002] As cars are constantly updated, most cars are equipped with navigation devices. Existing car navigation devices are generally fixed on the dashboard of the car, and some car navigation devices have display devices that can be disassembled. Currently, detachable car navigation devices generally require a more complex transmission mechanism to complete the disassembly of the display terminal, and require multiple drive devices to complete the disassembly work. The structure is more complicated and the manufacturing cost is higher. Summary of the invention

[0003] In view of this, the present invention discloses a navigation device, which can complete the disassembly of the terminal through a relatively simple transmission method.

[0004] The present invention discloses a navigation device, including a shell, a terminal, a driving device, a first screw connection, a second screw connection and a locking member. The shell is provided with a receiving groove for receiving the terminal. The locking member is used to lock the terminal. The first screw connection is sleeved with the second screw connection. The second screw connection and the locking member are fixed to form a transmission member. The driving device drives the first screw connection to rotate. When the first screw connection and the second screw connection rotate relative to each other, the second screw connection performs a telescopic movement relative to the first screw connection. When the first screw connection and the second screw connection rotate to the limit, the driving device drives the first screw connection and the second screw connection to rotate together. The transmission member and / or the first screw connection are connected with a spring. The spring pre-tightens the locking member in the direction in which the locking member pushes out of the terminal.

[0005] Furthermore, the driving device includes a driving motor and a gear, the driving motor drives the first screw connection member to rotate via the gear, and the first screw connection member passes through the gear and can slide relative to the gear.

[0006] Furthermore, the spring is arranged at an end position of the first screw connection member away from the second screw connection member.

[0007] Furthermore, the spring is sleeved with the second screw connection member.

[0008] Furthermore, the transmission member is provided with a first limiting portion, and the housing is provided with a second limiting portion that matches the first limiting portion. When the first limiting portion matches the second limiting portion, the second screw connection member performs telescopic movement relative to the first screw connection member.

[0009] Furthermore, the second screw connection member is sleeved on the first screw connection member.

[0010] Furthermore, the first screw connection member is provided with an external thread, the second screw connection member is provided with an internal thread, and the first screw connection member and the second screw connection member are screwed together.

[0011] Furthermore, the first screw connection member is provided with a positioning shaft, the second screw connection member is provided with a spiral positioning hole corresponding to the positioning shaft, both ends of the spiral positioning hole are closed, the positioning shaft is provided in the spiral positioning hole, and the positioning shaft can move along the spiral positioning hole.

[0012] Furthermore, the first screw connection member is provided with a spiral groove, the second screw connection member is provided with a positioning column matched with the spiral groove, both ends of the spiral groove are closed, the positioning column is arranged in the spiral groove, and the positioning column can move along the spiral groove.

[0013] Furthermore, the locking member is threadedly connected to the terminal.

[0014] Compared with the prior art, the navigation device disclosed in the present invention has the following beneficial effects:

[0015] When the driving device drives the first screw connection to rotate, and the first screw connection and the second screw connection rotate relative to each other, the second screw connection can perform telescopic movement relative to the first screw connection, and then the terminal is pushed out of the receiving groove through the locking member. At this time, the first screw connection and the second screw connection rotate to the limit, and the driving mechanism can drive the first screw connection and the second screw connection to rotate together, and then the terminal is unlocked through the locking member. The above movement only requires one driving device and a transmission member to complete the ejection of the terminal from the receiving groove and unlocking, and the structure is relatively simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a navigation device of the present invention;

[0017] Figure 2 A schematic diagram of the internal structure of a navigation device of the present invention and the internal structure of the first embodiment;

[0018] Figure 3 This is a schematic structural diagram of a second embodiment of a navigation device of the present invention when the terminal is locked;

[0019] Figure 4 This is a schematic structural diagram of a second embodiment of a navigation device of the present invention when unlocking a terminal;

[0020] Figure 5This is a schematic structural diagram of a third embodiment of a navigation device of the present invention when the terminal is locked;

[0021] Figure 6 This is a schematic structural diagram of a third embodiment of a navigation device of the present invention when unlocking a terminal;

[0022] Description of the attached drawings

[0023] 100, navigation device; 10, housing; 11, receiving groove; 12, second limiting portion; 20, terminal; 30, driving assembly; 31, driving device; 311, driving motor; 312, worm; 313, first gear; 314, second gear; 32, 32', 32", first screw connection; 321, positioning shaft; 322, spiral groove; 33, 33', 33", second screw connection; 331, spiral positioning hole; 332, positioning column; 34, locking member; 341, first limiting portion; 35, spring; 351, connecting member; DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to another component, or there may be a central component at the same time. Unless otherwise defined, all technical and scientific terms used in this article have the same meaning as those generally understood by technicians in the technical field of the present invention. It should also be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0025] It should also be noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] like Figure 1 and Figure 2As shown, the present invention discloses a navigation device 100, including a housing 10, a terminal 20 and a driving assembly 30, and the navigation device 100 can be installed on a car through the housing 10. The upper surface of the housing 10 is provided with a receiving slot 11 for receiving the terminal 20, and the driving assembly 30 is arranged in the housing 10. The terminal 20 can be a tablet computer or other electronic device. When the terminal 20 is unlocked, the terminal 20 can be connected to the Internet and used alone.

[0027] Specifically, the driving assembly 30 includes a driving device 31, a first screw connection 32, and a second screw connection 33. The first screw connection 32 and the second screw connection 33 are sleeved with each other, and a locking member 34 is fixed to the top of the second screw connection 33. The locking member 34 is used to unlock the terminal 20 to separate the terminal 20 from the receiving groove 11, or to lock the terminal 20 and lock the terminal 20 in the receiving groove 11. Specifically, the locking member 34 can be connected to the terminal 20 by screwing.

[0028] In this embodiment, the locking member 34 can be integrally formed with the second screw member 33, or can be fixed on the second screw member 33 through a fixing structure. The second screw member 33 is fixedly connected with the locking member 34 to form a transmission member. The transmission member is provided with a first limiting portion 341, and a second limiting portion 12 can be provided on the housing 10. The second limiting portion 12 can limit the rotation of the transmission member through the first limiting portion 341. The first limiting portion 341 can be provided on the locking member 34 and / or the second screw member 33. The first limiting portion 341 can be a limiting block and / or a limiting protrusion and / or a limiting groove.

[0029] The driving device 31 can drive the first screw connection 32 to rotate. When the driving device 31 drives the first screw connection 32 to rotate along the first direction, the second limiting portion 12 limits the rotation of the second screw connection 33 through the first limiting portion 341, so that the first screw connection 32 and the second screw connection 33 rotate relative to each other, and the second screw connection 33 can perform telescopic movement relative to the first screw connection 32, and the terminal 20 is pushed out of the receiving groove 11 through the locking member 34.

[0030] When the terminal 20 leaves the receiving groove 11, the first screw connector 32 and the second screw connector 33 rotate to the extreme positions, and at this time, the first limiting portion 341 disengages from the second limiting portion 12, and the driving device 31 continues to drive the first screw connector 32 to rotate along the first direction, so that the second screw connector 33 rotates with the first screw connector 32, and then the terminal 20 is unlocked by the locking member 34.

[0031] The transmission member and / or the first screw member 32 are provided with a spring 35, and the spring 35 pre-tightens the locking member 34 in the direction in which the locking member 34 pushes out the terminal 20. When the terminal 20 needs to be locked, the terminal 20 is aligned with the locking member 34, and the terminal 20 is pressed down to overcome the elastic force of the spring 35, so that the first limiting portion 341 moves to the position of the second limiting portion 12. At this time, the terminal 20 is rotated relative to the locking member 34, so that the terminal 20 is locked on the locking member 34, and the driving device 31 drives the first screw member 32 to rotate in the second direction, and the second screw member 33 rotates relative to the first screw member 32, and then the second screw member 33 moves downward, so that the terminal 20 is accommodated in the accommodation groove 11, and the locking of the terminal 20 is completed.

[0032] In one embodiment, the spring 35 is sleeved on the second screw member 33, one end of which is connected to the housing 10, and the other end of which is connected to the locking member 34; in another embodiment, the end of the first screw member 32 away from the second screw member 33 is connected to the spring 35 via a connecting member 351, and the first screw member 32 is rotatably connected to the connecting member 351.

[0033] The driving device 31 includes a driving motor 311, a worm 312, a first gear 313 and a second gear 314. The driving motor 311 drives the first gear 313 to rotate through the worm 312. The first gear 313 is meshed with the second gear 314 and drives the first screw connection 32 to rotate through the second gear 314. The first screw connection 32 passes through the center position of the second gear 314, and the first screw connection 32 can slide within a certain range relative to the second gear 314.

[0034] The first screw connection member 32 and the second screw connection member 33 can be realized in the following manner.

[0035] First embodiment:

[0036] like Figure 2As shown, a positioning shaft 321 is provided on the first screw connector 32, and a spiral positioning hole 331 corresponding to the positioning shaft 321 is provided on the second screw connector 33. The driving device 31 drives the first screw connector 32 to rotate along the first direction, and the second limiting portion 12 limits the rotation of the second screw connector 33 through the first limiting portion 341, so that the first screw connector 32 and the second screw connector 33 rotate relative to each other, and the positioning shaft 321 moves along the spiral positioning hole 331, and the second screw connector 33 performs telescopic movement, and the terminal 20 is pushed out of the receiving groove 11 through the locking member 34. At this time, the positioning shaft 321 moves to the end position of the spiral positioning hole 331, the second screw connection 33 cannot continue to rotate relative to the first screw connection 32, and the first limiting portion 341 leaves the second limiting portion 12, and the first screw connection 32 and the second screw connection 33 can be driven to rotate together by the driving device 31, and then the terminal 20 is unlocked by the locking member 34; when the terminal 20 is locked, pressure is applied to the locking member 34 by the terminal 20, so that the first limiting portion 341 The first screw connection 32 is connected to the second screw connection 34 by the drive device 31, and the second screw connection 33 is connected to the first screw connection 32. The second screw connection 33 is connected to the first screw connection 32, and the second screw connection 33 is connected to the first screw connection 32. The positioning shaft 321 moves along the spiral positioning hole 331, and the second screw connection 33 moves downward relative to the first screw connection 32, and the terminal 20 is moved to the receiving groove 11 through the locking member 34.

[0037] Second implementation method:

[0038] like Figure 3 and Figure 4As shown, in this embodiment, the first screw connection member 32' is a screw rod, the second screw connection member 33' is a screw rod sleeve, and the first screw connection member 32' and the second screw connection member 33' are screwed together. When the driving device 31 drives the first screw connection member 32' to rotate along the first direction, because the second limiting portion 12 limits the rotation of the transmission member through the first limiting portion 341, the second screw connection member 33' performs telescopic movement relative to the first screw connection member 32', and the second screw connection member 33' pushes the terminal 20 out of the receiving groove 11 through the locking member 34. The thread in the second screw connection member 33' moves to the edge of the thread of the first screw connection member 32', and the first screw connection member 32' and the second screw connection member 33' cannot continue to rotate relative to each other, and at this time, the first limiting portion 341 is separated from the second limiting portion 12, and the driving device 31 can drive the first screw connection member 32' and the second screw connection member 33' to rotate together along the first direction, and then unlock the terminal 20 through the locking member 34. When locking the terminal 20, pressure is applied to the locking member 34 so that the first limiting portion 341 partially extends into the second limiting portion 12. At this time, the terminal 20 is rotated so that the terminal 20 is screwed to the locking member 34 for locking. After the locking is completed, the driving device 31 drives the first screw member 32' to rotate in the second direction, and the second screw member 33' moves downward relative to the first screw member 32', and the terminal 20 is moved to the receiving groove 11 through the locking member 34.

[0039] Third embodiment:

[0040] like Figure 5 and Figure 6As shown, the first screw connection member 32" is provided with a spiral groove 322, and the second screw connection member 33" is provided with a positioning column 332 corresponding to the spiral groove 322. The driving device 31 drives the first screw connection member 32" to rotate, and the second limiting portion 12 limits the rotation of the second screw connection member 33" through the first limiting portion 341, so that the first screw connection member 32" and the second screw connection member 33" rotate relative to each other, and the positioning column 332 moves along the spiral groove 322, and the second screw connection member 33" performs telescopic movement relative to the first screw connection member 32", and the terminal 20 can be pushed out of the receiving groove 11 through the locking member 34. At this time, the positioning column 332 moves to the end position of the spiral groove 322, the second screw member 33" can no longer rotate relative to the first screw member 32", and the first limiting portion 341 leaves the second limiting portion 12, and the first screw member 32" and the second screw member 33" can be driven by the driving device 31 to rotate together in the first direction, and then the terminal 20 is unlocked by the locking member 34; when the terminal 20 is unlocked, pressure is applied to the locking member 34 so that part of the first limiting portion 341 is Extend into the second limiting portion 12. At this time, rotate the terminal 20 so that the terminal 20 is screwed with the locking member 34 for locking. After locking is completed, the driving device 31 drives the first screw member 32" to rotate along the second direction, the second screw member 33" rotates relative to the first screw member 32", the positioning column 332 moves along the spiral groove 322, and the second screw member 33" moves downward relative to the first screw member 32", and the terminal 20 is moved to the receiving groove 11 through the locking member 34.

[0041] The present invention can be implemented in various forms and modifications without departing from the broad spirit and scope of the present invention. The above-described embodiments are intended to illustrate the invention, but are not intended to limit the scope of the present invention.

Claims

1. A navigation device, comprising a housing, a terminal, a driving device, a first screw connector, a second screw connector and a locking member, wherein the housing is provided with a receiving groove for receiving the terminal, the locking member is used to lock the terminal, the first screw connector is sleeved with the second screw connector, It is characterized in that The second screw connection member and the locking member are fixed to form a transmission member, and the driving device drives the first screw connection member to rotate. When the first screw connection member and the second screw connection member rotate relative to each other, the second screw connection member performs telescopic movement relative to the first screw connection member. When the first screw connection member and the second screw connection member rotate to the limit, the driving device drives the first screw connection member and the second screw connection member to rotate together. The transmission member and / or the first screw connection member is connected to a spring, and the spring pre-tightens the locking member in the direction in which the locking member pushes out of the terminal. The transmission member is provided with a first limiting portion, and the housing is provided with a second limiting portion matched with the first limiting portion. When the first limiting portion and the second limiting portion are matched, the second screw connection member performs telescopic movement relative to the first screw connection member. The first screw connection member is provided with a positioning shaft, the second screw connection member is provided with a spiral positioning hole corresponding to the positioning shaft, both ends of the spiral positioning hole are closed, the positioning shaft is arranged in the spiral positioning hole, and the positioning shaft can move along the spiral positioning hole; The first screw connection member is provided with a spiral groove, the second screw connection member is provided with a positioning column matched with the spiral groove, both ends of the spiral groove are closed, the positioning column is arranged in the spiral groove, and the positioning column can move along the spiral groove.

2. A navigation device as claimed in claim 1, It is characterized in that The driving device comprises a driving motor and a gear. The driving motor drives the first screw connection member to rotate via the gear. The first screw connection member passes through the gear and can slide relative to the gear.

3. A navigation device as claimed in claim 1, It is characterized in that The spring is arranged at an end position of the first screw connection member away from the second screw connection member.

4. A navigation device as claimed in claim 1, It is characterized in that The spring is sleeved with the second screw connection member.

5. A navigation device as claimed in claim 1, It is characterized in that The second screw connection member is sleeved on the first screw connection member.

6. A navigation device as claimed in claim 5, It is characterized in that The first screw connection member is provided with an external thread, the second screw connection member is provided with an internal thread, and the first screw connection member and the second screw connection member are screwed together.

7. A navigation device according to any one of claims 1 to 6, It is characterized in that The locking member is threadedly connected to the terminal.

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