Anti-shake camera shooting driving device

Abstract

The utility model aims to provide an anti-shake camera shooting driving device. The anti-shake camera shooting driving device comprises a protective shell, a base, a carrier assembly, an elastic sheet, a focusing assembly, an anti-shake assembly and a guide assembly. The guide assembly comprises a first guide piece and a second guide piece, the first guide piece comprises a first guide shaft and a second guide shaft, and the second guide piece comprises a third guide shaft. The utility model relates to the technical field of optical equipment, and a focusing assembly and a guide shaft are arranged on adjacent edges, so that overturning moment of a mover part under posture difference is reduced, electromagnetic force and magnetic attraction force requirements are reduced, space is saved, and design difficulty is reduced. The guide shaft replaces a ball structure, the cost is saved, the process difficulty is reduced, meanwhile, the contact surface of the base adopts a metal plate structure, the problems that a traditional injection molding part is prone to deformation and pits are solved through friction between metal, and reliability and stability are higher. And the three rolling shafts are respectively arranged at three corners of the gap between the focusing carrier and the anti-shake carrier in a connecting mode, so that the stability is ensured, and abnormal impact caused by overturning is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical equipment technical field, concretely is a kind of anti-shake camera driving device. BACKGROUND

[0002] Among the common handheld optical products in the market, such as digital cameras, video cameras, mobile phones and other optical systems, are composed of optical lens groups and camera driving devices. During the shooting process, in order to adapt to various scene shooting, the device is prone to shaking due to external force during focusing or shooting, such as handheld, vehicle driving, and external environmental factors, which can cause unclear imaging or image blur. The existing anti-shake support guide structure usually uses balls, but the assembly process is complex and the cost is high. At the same time, the large weight mover is easy to press out the concave pit of the injection molding part, and the stability is low, which leads to motion lag. SUMMARY

[0003] In view of the shortcomings of the prior art, the utility model provides an anti-shake camera driving device, which solves the problems of complex process, high cost and poor practicability of the existing anti-shake support guide structure.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: an anti-shake camera driving device, comprising:

[0005] A protective shell and a base are mutually buckled into one body to form an accommodation space; the base is provided with a stop table at one angle;

[0006] A carrier assembly is arranged in the accommodation space; the carrier assembly comprises a focusing carrier and an anti-shake carrier, and the anti-shake carrier is sleeved outside the focusing carrier;

[0007] A spring piece is connected to the top of the base, the focusing carrier and the anti-shake carrier, so that the focusing carrier is suspended inside the anti-shake carrier;

[0008] A focusing assembly comprises a first magnet and a focusing coil, and the focusing coil is arranged on the two adjacent sides of the focusing carrier; the first magnet is arranged on the anti-shake carrier and is arranged opposite to the focusing coil;

[0009] An anti-shake assembly comprises an anti-shake coil and a second magnet, and the anti-shake coil is arranged on the base, and the second magnet is arranged on the two adjacent sides of the anti-shake carrier;

[0010] A guide assembly is arranged between the focusing carrier and the anti-shake carrier.

[0011] Preferably, the spring piece comprises:

[0012] The first elastic sheet comprises a first connecting end and a second connecting end, the first connecting end is connected to the stop platform, and the second connecting end is connected to the anti-shake carrier;

[0013] The second elastic sheet comprises a third connecting end and a fourth connecting end, the third connecting end is connected to the anti-shake carrier, and the fourth connecting end is connected to the focusing carrier; the second elastic sheet suspends the focusing carrier inside the anti-shake carrier.

[0014] Preferably, the anti-shake carrier is internally provided with a second metal reinforcing piece, the second metal reinforcing piece is electrically connected to the elastic sheet, the focusing carrier is provided with a focusing induction magnet, the anti-shake carrier is correspondingly provided with a focusing closed-loop controller, the focusing closed-loop controller is electrically connected to the second metal reinforcing piece, and closed-loop control of focusing is completed.

[0015] Preferably, the guide assembly comprises a first guide piece and a second guide piece, the first guide piece and the second guide piece are both cylindrical pieces, and each comprises a connecting portion and a supporting portion, the connecting portion is formed on the circumferential outer wall surface of the cylindrical piece, and the supporting portion is formed on the bottom surface of the cylindrical piece.

[0016] Preferably, the first guide piece comprises a first guide shaft and a second guide shaft, the first guide shaft and the second guide shaft are arranged at diagonal positions between the focusing carrier and the anti-shake carrier, and the focusing carrier and the anti-shake carrier are respectively provided with grooves for accommodating the first guide shaft and the second guide shaft;

[0017] The second guide piece comprises a third guide shaft, and the third guide shaft is arranged at an apex angle position between the first guide shaft and the second guide shaft.

[0018] Preferably, the connecting portion of the outer wall surface of the first guide shaft and the second guide shaft is in sliding friction with the focusing carrier and the anti-shake carrier, for ensuring movement of the focusing carrier along the optical axis direction; and the connecting portion of the third guide shaft is fixed to the anti-shake carrier.

[0019] The supporting portions of the bottom portions of the first guide shaft, the second guide shaft and the third guide shaft abut against the base, for supporting and guiding movement of the anti-shake carrier.

[0020] Preferably, a plurality of metal sheets are arranged on the base, and the plurality of metal sheets are arranged in one-to-one correspondence with the first guide shaft, the second guide shaft and the third guide shaft, so that the supporting portions of the bottom portions of the first guide shaft, the second guide shaft and the third guide shaft abut against each metal sheet.

[0021] Preferably, a plurality of avoiding grooves are arranged on the anti-shake coil, and the plurality of avoiding grooves are arranged in one-to-one correspondence with the first guide shaft, the second guide shaft and the third guide shaft, so that the supporting portions of the bottom portions of the first guide shaft, the second guide shaft and the third guide shaft abut against each metal sheet after passing through the avoiding grooves.

[0022] Preferably, the focusing carrier is provided with a first metal reinforcing member, and the base is provided with a magnetic attraction piece, both of which are correspondingly arranged and attracted to each other to provide pre-pressure for the first guide shaft and the second guide shaft.

[0023] Preferably, the base is internally provided with a metal conducting member and a shakeproof closed-loop controller, the shakeproof closed-loop controller is electrically connected with the metal conducting member, and the shakeproof closed-loop controller interacts with the second magnet to complete control of shakeproof.

[0024] By using the anti-shake camera driving device, the following technical effects are achieved:

[0025] 1. The focusing assembly and the guide shaft are arranged at adjacent edges to reduce the inclination moment of the moving part under the posture difference, reduce the requirement of electromagnetic force and magnetic attraction force, save space, and reduce the design difficulty.

[0026] 2. The guide shaft replaces the ball structure to save cost and reduce process difficulty, and the contact surface of the base adopts a metal sheet structure, the friction between metals improves the problems of traditional injection molding parts such as easy deformation and pits, and the reliability and stability are higher.

[0027] 3. The connection mode of the three rollers is arranged at three corners of the gap between the focusing carrier and the anti-shake carrier to ensure stability and prevent abnormal impact caused by overturning. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is an explosion structure schematic view of the utility model;

[0029] Figure 2 It is a position schematic view of the guide shaft between the anti-shake carrier and the focusing carrier of the utility model;

[0030] Figure 3 It is a guide shaft position distribution structure schematic view of the utility model;

[0031] Figure 4 It is a base structure schematic view of the utility model;

[0032] Figure 5 It is a position schematic view of the first magnet and the second magnet on the anti-shake carrier of the utility model;

[0033] Figure 6 It is a position structure schematic view of the focusing coil on the focusing carrier of the utility model;

[0034] Figure 7 It is an anti-shake coil structure schematic view of the utility model;

[0035] Figure 8 It is a focusing carrier inside the anti-shake carrier structure schematic view of the utility model;

[0036] Figure 9 It is base structure schematic view of the utility model;

[0037] Figure 10 It is elastic sheet structure schematic view of the utility model;

[0038] Figure 11 It is the structure schematic view of the utility model elastic sheet connects in anti-shake carrier, focusing carrier and base;

[0039] Figure 12 It is the whole structure schematic view of the utility model.

[0040] Figure symbol explanation

[0041] 1, protective shell, 2, elastic sheet, 21, first elastic sheet, 22, second elastic sheet, 3, anti-shake carrier, 4, guide shaft, 41, first guide shaft, 42, second guide shaft, 43, third guide shaft, 5, focusing carrier, 6, anti-shake coil, 7, base, 8, metal sheet, 9, metal conducting piece, 10, first magnet, 11, second magnet, 12, focusing coil, 13, avoiding groove, 14, focusing closed-loop controller, 15, focusing induction magnet, 16, recess, 17, anti-shake closed-loop controller, 18, magnetic attraction sheet. DETAILED DESCRIPTION

[0042] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. As long as the effect of the utility model can be played, various changes can be made to the implementation scheme.

[0043] Through the personnel in the art, the parts in the case are connected in turn, and the specific connection and operation sequence should be referred to the following working principle, and the detailed connection means is the public technical knowledge in the art, and the following mainly introduces the working principle and process.

[0044] Reference Figures 1-12 The anti-shake camera driving device of the embodiment is described.

[0045] As Figure 1 Shown, including protective shell 1 and base 7, also including carrier assembly, elastic sheet 2, focusing assembly, anti-shake assembly and guide assembly. Protective shell 1 and base 7 are mutually buckled into an entity, form accommodating space;Base 7 is provided with a stop table at one angle, and the stop table is a convex column, and the top end is provided with a convex.

[0046] Specifically, the carrier assembly is arranged in the accommodating space;The carrier assembly includes focusing carrier 5 and anti-shake carrier 3, and the anti-shake carrier 3 is sleeved outside the focusing carrier 5.

[0047] As Figure 8 shown, the anti-shake carrier 3 is internally provided with a second metal reinforcing member (not shown in the figure), which is electrically connected with the elastic sheet 2. The focusing carrier 5 is provided with a focusing inductive magnet 15, and the anti-shake carrier 3 is correspondingly provided with a focusing closed-loop controller 14, which is electrically connected with the second metal reinforcing member, to complete the closed-loop control of focusing.

[0048] It needs to be specifically explained that, under the projection of the top view, the anti-shake carrier 3 and the focusing carrier 5 have a rectangular connecting gap therebetween, and the four corners of the gap are respectively a first corner, a second corner, a third corner and a fourth corner. The focusing closed-loop controller 14 and the focusing inductive magnet 15 are arranged at the first corner position and correspondingly arranged above and below.

[0049] As Figure 5 and Figure 6 shown, the focusing assembly includes the first magnet 10 and the focusing coil 12, and the focusing coil 12 is arranged on the two adjacent side edges of the focusing carrier 5. The first magnet 10 is arranged on the two adjacent side edges of the anti-shake carrier 3 and is oppositely arranged with the focusing coil 12.

[0050] As Figure 1 and Figure 5 shown, the anti-shake assembly includes the anti-shake coil 6 and the second magnet 11, and the anti-shake coil 6 is arranged on the base 7, and the second magnet 11 is arranged on the two adjacent side edges of the anti-shake carrier 3 and is oppositely arranged with the first magnet 10.

[0051] As Figure 4 shown, the base 7 is internally provided with a metal conducting member 9, wherein part of the metal conducting member 9 extends out of the base 7 to form an electrical connection end. As Figure 9 shown, the base 7 is provided with an anti-shake closed-loop controller 17 on the bottom surface, and the anti-shake closed-loop controller 17 is electrically connected with the metal conducting member 9. The anti-shake closed-loop controller 17 interacts with the second magnet 11 to complete the control of anti-shake.

[0052] As Figure 10 and Figure 11 shown, the elastic sheet 2 is connected at the top of the base 7, the focusing carrier 5 and the anti-shake carrier 3, so that the focusing carrier 5 is suspended inside the anti-shake carrier 3. The top surfaces of the focusing carrier 5 and the anti-shake carrier 3 are also provided with protrusions. When connected, the elastic sheet 2 is respectively connected to the protrusions on the top of the retaining table of the base 7 and the protrusions on the top surfaces of the focusing carrier 5 and the anti-shake carrier 3.

[0053] The spring 2 includes a first spring 21 and a second spring 22. The first spring 21 includes a first connecting end and a second connecting end. The first connecting end is connected to a protrusion on the stop, and the second connecting end is connected to a protrusion on the image stabilization carrier 3. The second spring 22 includes a third connecting end and a fourth connecting end. The third connecting end is connected to a protrusion on the image stabilization carrier 3, and the fourth connecting end is connected to a protrusion on the focusing carrier 5. After connection, the second spring 22 suspends the focusing carrier 5 inside the image stabilization carrier 3.

[0054] The guiding assembly is disposed between the focusing carrier 5 and the image stabilization carrier 3. It includes a first guide member and a second guide member, both of which are cylindrical members, including a connecting part and a supporting part. The connecting part is formed on the circumferential outer wall surface of the cylindrical member, and the supporting part is formed on the bottom surface of the cylindrical member.

[0055] The first guide member includes a first guide shaft 41 and a second guide shaft 42, which are located at diagonal positions between the focusing carrier 5 and the image stabilizing carrier 3, specifically at the second and fourth corners of the gap. The focusing carrier 5 and the image stabilizing carrier 3 are respectively provided with grooves 16 for accommodating the first guide shaft 41 and the second guide shaft 42. The second guide member includes a third guide shaft 43, which is located at the apex corner between the first guide shaft 41 and the second guide shaft 42, specifically at the third corner of the gap.

[0056] In specific implementation, the connecting part of the outer wall of the first guide shaft 41 and the second guide shaft 42 slides and rubs against the focusing carrier 5 and the image stabilizing carrier 3 to ensure that the focusing carrier 5 moves along the optical axis; the connecting part of the third guide shaft 43 is fixed to the image stabilizing carrier 3; the support part at the bottom of the first guide shaft 41, the second guide shaft 42 and the third guide shaft 43 abuts against the base 7 to support and guide the movement of the image stabilizing carrier 3.

[0057] It should be further explained that one side of the first guide shaft 41 and the third guide shaft 43, as well as one side of the second guide shaft 42 and the third guide shaft 43, correspond to the two sides of the first magnet 10 and the two sides of the focusing coil 12, respectively. The purpose is to reduce the overturning torque of the mover part under the attitude difference and reduce the requirements for electromagnetic force and magnetic attraction force.

[0058] like Figure 4 As shown, the base 7 is provided with multiple metal plates 8, which are arranged one-to-one with the first guide shaft 41, the second guide shaft 42, and the third guide shaft 43, so that the support parts at the bottom of the first guide shaft 41, the second guide shaft 42, and the third guide shaft 43 abut against each metal plate 8. The metal plates 8 improve the base 7 from being an injection molded part, which is prone to deformation and dents.

[0059] like Figure 7As shown, the anti-vibration coil 6 is provided with a plurality of avoiding grooves 13, the plurality of avoiding grooves 13 are provided in one-to-one correspondence with the first guide shaft 41, the second guide shaft 42 and the third guide shaft 43, and the support portions at the bottom of the first guide shaft 41, the second guide shaft 42 and the third guide shaft 43 abut on each metal sheet 8 after passing through the avoiding grooves 13.

[0060] As shown, Figure 9 As shown, the focusing carrier 5 is provided with a first metal reinforcing piece (not shown in the figure), the base 7 is provided with a magnetic attraction piece 18 at the bottom, the two are provided in correspondence and attract each other, and provide pre-pressure for the first guide shaft 41 and the second guide shaft 42.

[0061] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An anti-shake camera driving device, characterized in that, The utility model relates to a kind of camera lens, including: Protective shell (1) and base (7), which are mutually buckled into an entity, form containing space;The base (7) is provided with a pair of angle and is arranged with stop table; Carrier assembly, set in the containing space;The carrier assembly includes focusing carrier (5) and anti-shake carrier (3), the anti-shake carrier (3) is set on the outside of focusing carrier (5); Spring piece (2), connected in the top of base (7), focusing carrier (5) and anti-shake carrier (3), make focusing carrier (5) hang in the inside of anti-shake carrier (3); Focusing assembly, including first magnet (10) and focusing coil (12), the focusing coil (12) is arranged on the two sides of focusing carrier (5) adjacent;The first magnet (10) is arranged on the anti-shake carrier (3), and is oppositely arranged with the focusing coil (12); Anti-shake assembly, including anti-shake coil (6) and second magnet (11), the anti-shake coil (6) is arranged on the base (7), and the second magnet (11) is arranged on the two sides of anti-shake carrier (3) adjacent; Guide assembly, arranged between focusing carrier (5) and anti-shake carrier (3).

2. The anti-shake camera driving device according to claim 1, characterized in that: The spring piece (2) includes: First spring piece (21), including first connecting end and second connecting end, the first connecting end is connected on stop table, and the second connecting end is connected on anti-shake carrier (3); Second spring piece (22), including third connecting end and fourth connecting end, the third connecting end is connected on anti-shake carrier (3), and the fourth connecting end is connected on focusing carrier (5);The second spring piece (22) makes focusing carrier (5) hang in the inside of anti-shake carrier (3).

3. The anti-shake camera driving device according to claim 1, characterized in that: The inside of anti-shake carrier (3) is equipped with second metal reinforcing part, and the second metal reinforcing part is electrically connected with spring piece (2), and focusing induction magnet (15) is arranged on focusing carrier (5), and focusing closed-loop controller (14) is correspondingly arranged on anti-shake carrier (3), and the focusing closed-loop controller (14) is electrically connected with the second metal reinforcing part, to complete the closed-loop control of focusing.

4. The anti-shake camera driving device according to claim 1, characterized in that: The guide assembly includes first guide and second guide, and the first guide and the second guide are both cylindrical pieces, including connecting portion and support portion, the connecting portion is formed on the circumferential outer wall surface of cylindrical piece, and the support portion is formed on the bottom surface of cylindrical piece.

5. The anti-shake camera driving device according to claim 4, characterized in that: The first guide includes first guide shaft (41) and second guide shaft (42), the first guide shaft (41) and the second guide shaft (42) are arranged at diagonal position between focusing carrier (5) and anti-shake carrier (3), and recess (16) for accommodating first guide shaft (41) and second guide shaft (42) is respectively arranged on focusing carrier (5) and anti-shake carrier (3); The second guide includes third guide shaft (43), and the third guide shaft (43) is arranged at top corner position between first guide shaft (41) and second guide shaft (42).

6. The anti-shake camera driving device according to claim 5, characterized in that: The connecting part of the outer wall surface of the first guide shaft (41) and the second guide shaft (42) slides with the focusing carrier (5) and the anti-shake carrier (3), for ensuring the movement of the focusing carrier (5) along the optical axis direction; the connecting part of the third guide shaft (43) is fixed with the anti-shake carrier (3); The supporting part of the bottom of the first guide shaft (41), the second guide shaft (42) and the third guide shaft (43) is in contact with the base (7), for supporting and guiding the movement of the anti-shake carrier (3).

7. The anti-shake camera driving device according to claim 6, characterized in that: A plurality of metal sheets (8) are arranged on the base (7), and the first guide shaft (41), the second guide shaft (42) and the third guide shaft (43) are arranged one by one with the metal sheets (8), so that the supporting part of the bottom of the first guide shaft (41), the second guide shaft (42) and the third guide shaft (43) is in contact with each metal sheet (8).

8. The anti-shake camera driving device according to claim 6, characterized in that: A plurality of avoiding grooves (13) are arranged on the anti-shake coil (6), and the first guide shaft (41), the second guide shaft (42) and the third guide shaft (43) are arranged one by one with the avoiding grooves (13), so that the supporting part of the bottom of the first guide shaft (41), the second guide shaft (42) and the third guide shaft (43) is in contact with each metal sheet (8) after passing through the avoiding grooves (13).

9. The anti-shake camera driving device according to claim 5, characterized in that: The focusing carrier (5) is provided with a first metal reinforcing part, and the base (7) is provided with a magnetic sheet (18), which are arranged correspondingly and attract each other, for providing pre-pressure for the first guide shaft (41) and the second guide shaft (42).

10. The anti-shake camera driving device according to claim 1, characterized in that: The base (7) is provided with a metal conducting part (9) and an anti-shake closed-loop controller (17), the anti-shake closed-loop controller (17) is electrically connected with the metal conducting part (9), and the anti-shake closed-loop controller (17) interacts with the second magnet (11) to complete the control of the anti-shake.

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