Shutter double-magnetic-valve connecting rod structure

Abstract

The utility model relates to a shutter double-magnetic-valve connecting rod structure which comprises a fixing seat, a magnetic valve base is arranged in the fixing seat, two solenoid cores are installed on the magnetic valve base in a diagonal mode, and a connecting rod body is arranged between two magnet rocking handles for linkage. The connecting rod body, the magnet rocking handles, the upper-layer blade and the lower-layer blade are symmetrically designed, when the shutter acts, the upper-layer blade and the lower-layer blade are driven by resultant force applied to the magnet rocking handles on the two sides, the connecting rod body plays a role in enabling the magnet rocking handles on the two sides to act synchronously, and the magnet rocking handles directly drive the upper-layer blade and the lower-layer blade. As for the shutter, the upper-layer blade and the lower-layer blade act synchronously, the problem that the speed is unequal when the blades on the two sides of a traditional double-magnetic-valve shutter structure act is solved, the connecting rod body comprehensively and averagely distributes power of solenoid cores on the two sides to magnet rocking handles on the two sides, and the shutter structure is more stable compared with the traditional shutter structure.

Description

TECHNICAL FIELD

[0001] The utility model belongs to camera light valve technical field, concretely relates to a shutter double magnetic valve connecting rod structure. BACKGROUND

[0002] Shutter is also called light shutter, light shutter. The important component for controlling exposure time on camera. According to the position in camera, can be divided into mirror front shutter, mirror rear shutter and mirror interval shutter, focal plane shutter four types, common for mirror interval shutter and focal plane shutter, mirror interval shutter bit is in the middle of two lens groups before and after the front lens, is made of multiple extremely thin metal sheet, presents leaf petal.

[0003] The reason that the leaf blade maintains the open state under the open state of the traditional shutter is that there is magnetic force mutual attraction between the magnetic rudder and the iron core, when the shutter is impacted, and the impact force + the gravity of the falling leaf blade is greater than the magnetic force received by the magnetic rudder, the leaf blade will switch state from opening to closing, therefore the ability of the traditional shutter leaf blade to maintain opening mainly depends on the size of the magnetic force received by the magnetic rudder, which leads to the closing of the shutter under the impact of the impact, resulting in the failure of the camera to use normally. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a shutter double magnetic valve connecting rod structure with simple structure and reasonable design.

[0005] The utility model discloses a shutter double magnetic valve connecting rod structure with simple structure and reasonable design.

[0006] A shutter double magnetic valve connecting rod structure, including fixed seat, the fixed seat is provided with magnetic valve base in, diagonal installation is carried out on two solenoid cores of the magnetic valve base, the control assembly for controlling the magnetic pole direction of the solenoid core is set up on the bottom wall of the magnetic valve base, the magnetic rudder is rotatably connected on the bottom of the solenoid core, and the handle of the magnetic rudder extends to the upper side of the magnetic valve base and passes through the magnetic valve base, the connecting rod main part is rotatably connected on the upper surface of the magnetic valve base, the handle of the two magnetic rudders is sleeved on the connecting rod main part respectively, a group of lower layer leaf blades are rotatably connected with the magnetic valve base through connecting pieces on the upper side of the connecting rod main part, the baffle is fixed on the inner wall of the fixed seat on the upper side of the lower layer leaf blade, a group of upper layer leaf blades are rotatably connected with the magnetic valve base through connecting pieces on the upper side of the baffle, the lower layer leaf blade and the upper layer leaf blade are distributed in staggered symmetry, the lower layer leaf blade and the upper layer leaf blade are still set up in the special-shaped hole on the end close to the connecting piece, and the upper layer leaf blade and the special-shaped hole are respectively sleeved on the handle of the two magnetic rudders through the special-shaped hole, and the upper cover for sealing effect is still installed on the top of the fixed seat.

[0007] As a further optimization scheme of the utility model, the control assembly includes two control coils installed on the lower surface of the magnetic valve base, two control coils are connected through wires, and one of the control coils is electrically connected with an electrode connection patch.

[0008] As a further optimization scheme of the utility model, an arc-shaped through hole is formed on the magnetic valve base on the side of the solenoid core, the crank of the magnet crank handle penetrates the magnetic valve base through the arc-shaped through hole and can rotate in the arc-shaped through hole.

[0009] As a further optimization scheme of the utility model, the connecting rod body is in L-shaped structure, a connecting hole is formed in the middle section of the connecting rod body, a first connecting shaft is fixedly connected to the upper surface of the magnetic valve base below the connecting hole, and the connecting rod body is sleeved on the first connecting shaft through the connecting hole and can rotate around the first connecting shaft.

[0010] As a further optimization scheme of the utility model, the connecting piece is two second connecting shafts fixedly connected to the upper surface of the magnetic valve base, one end of the upper blade and the lower blade close to the corresponding second connecting shaft is provided with an assembling hole, and the upper blade and the lower blade are sleeved on the second connecting shaft through the assembling hole.

[0011] As a further optimization scheme of the utility model, a rectangular light-transmitting hole is formed in the center of the fixing seat, the magnetic valve base, the partition plate and the upper cover.

[0012] The utility model discloses the beneficial effect lies in: because the connecting rod body is arranged between two magnet crank handles and links, and the connecting rod body, magnet crank handle, upper blade and lower blade are all symmetrical designs, when the shutter moves, the resultant force of two magnet crank handles drives the upper blade and the lower blade, the connecting rod body plays the role of synchronizing the movement of two magnet crank handles, and the magnet crank handle directly drives the upper blade and the lower blade, which is synchronized with the movement of the upper blade and the lower blade, avoiding the problem that the traditional double-magnetic-valve shutter structure has different speeds when the two blades move.

[0013] Figure 1 It is the overall structure explosion map of the utility model;

[0014] Figure 2 It is the overall one side structure schematic view of the utility model;

[0015] Figure 3 It is the overall other side structure schematic view of the utility model;

[0016] Figure 4 It is the back surface structure schematic view of the utility model magnetic valve base.

[0017] Figure 5 is the front structure diagram of the magnetic valve base of the utility model.

[0018] In the figure: 1, fixed seat; 2, magnetic valve base; 3, solenoid core; 4, control coil; 5, electrode connecting patch; 6, magnet crank; 7, connecting rod main body; 8, first connecting shaft; 9, second connecting shaft; 10, lower layer blade; 11, partition; 12, upper layer blade; 13, assembly hole; 14, special-shaped hole; 15, upper cover. DETAILED DESCRIPTION

[0019] The following further describes the present application in detail with reference to the drawings, and it is necessary to point out here that the following detailed description is only used to further illustrate the present application, and cannot be understood as limiting the protection scope of the present application, and the skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.

[0020] EMBODIMENT

[0021] As shown in Figure 1 - Figure 5 A shutter double-magnetic valve connecting rod structure, comprising a fixed seat 1, a magnetic valve base 2 is arranged in the fixed seat 1, two solenoid cores 3 are diagonally installed on the magnetic valve base 2, a control assembly for controlling the magnetic pole direction of the solenoid core 3 is arranged on the bottom wall of the magnetic valve base 2, the control assembly comprises two control coils 4 installed on the lower surface of the magnetic valve base 2, the two control coils 4 are connected by wires, one of the control coils 4 is electrically connected with an electrode connecting patch 5, the electrode connecting patch 5 is used for connecting with an external power supply, the solenoid core 3 is powered to generate a magnetic field force, and the magnetic pole on both sides of the solenoid core 3 can be changed according to the power-on direction of the solenoid core 3;

[0022] A magnet crank 6 is rotatably connected to the bottom of the solenoid core 3, an arc-shaped through hole is formed in the magnetic valve base 2 on the side of the solenoid core 3, the handle of the magnet crank 6 penetrates through the magnetic valve base 2 through the arc-shaped through hole and can rotate in the arc-shaped through hole, when the magnetic pole of the solenoid core 3 changes, the magnet crank 6 can be driven to rotate by the magnetic field force, and the rotation direction of the magnet crank 6 can be changed according to the change of the magnetic pole on both sides of the solenoid core 3;

[0023] A connecting rod main body 7 is rotatably connected to the upper surface of the magnetic valve base 2, the connecting rod main body 7 has an L-shaped structure, a connecting hole is formed in the middle segment of the connecting rod main body 7, a first connecting shaft 8 is fixedly connected to the upper surface of the magnetic valve base 2 below the connecting hole, the connecting rod main body 7 is sleeved on the first connecting shaft 8 through the connecting hole and can rotate around the first connecting shaft 8, the connecting rod main body 7 is sleeved on the handle of the two magnet cranks 6 at both ends, when one of the magnet cranks 6 rotates, the other magnet crank 6 can be driven to rotate in the opposite direction by the connecting rod main body 7.

[0024] A group of lower vanes 10 are arranged above the connecting rod body 7, one end of which is rotatably connected to the magnetic valve base 2 through a connecting piece. A baffle plate 11 is arranged above the lower vanes 10, the periphery of which is fixed to the inner wall of the fixed seat 1. A group of upper vanes 12 are arranged above the baffle plate 11, one end of which is rotatably connected to the magnetic valve base 2 through a connecting piece. The lower vanes 10 and the upper vanes 12 are distributed in staggered symmetry. The connecting piece is two second connecting shafts 9 fixedly connected to the upper surface of the magnetic valve base 2. The end of the upper vanes 12 and the lower vanes 10 close to the corresponding second connecting shaft 9 is provided with an assembly hole 13. The upper vanes 12 and the lower vanes 10 are sleeved on the second connecting shaft 9 through the assembly hole 13, so that the upper vanes 12 and the lower vanes 10 can rotate around the second connecting shaft 9;

[0025] The end of the lower vanes 10 and the upper vanes 12 close to the connecting piece is also provided with a special-shaped hole 14. The upper vanes 12 and the special-shaped hole 14 are respectively sleeved on the handles of the two magnetic rock handles 6 through the special-shaped hole 14. When the handle of the magnetic rock handle 6 rotates, it can drive the upper vanes 12 and the lower vanes 10 to rotate through the special-shaped hole 14 arranged on the upper vanes 12 and the lower vanes 10, so that the upper vanes 12 and the lower vanes 10 are synchronously unfolded or folded, thereby realizing the synchronous opening and closing of the upper vanes 12 and the lower vanes 10.

[0026] The fixed seat 1 is also provided with an upper cover 15 for sealing. The center of the fixed seat 1, the magnetic valve base 2, the baffle plate 11 and the upper cover 15 is provided with a rectangular light transmission hole. When the upper vanes 12 and the lower vanes 10 are unfolded, the frame line can pass through the rectangular light transmission hole. When the upper vanes 10 and the lower vanes 12 are folded, the rectangular light transmission hole can be sealed and shaded.

[0027] It should be noted that the shutter double magnetic valve connecting rod structure, in use, the whole shutter double magnetic valve structure is installed on the camera device, when the camera device falls and causes a lateral impact force on the shutter electromagnetic valve structure, at this time the upper blade 12 located in the upper part will be impacted by the downward F1, when F1 is greater than the resistance generated by the magnet handle 6 connected with the upper blade 12, the upper blade 12 will form an unfolding trend, and at this time the lower blade 10 located in the lower part is impacted by the F2 in the same direction as F1, since the two magnet handles 6 are connected through the connecting rod body 7, the impact force of the falling upper blade 12 can be converted into the upward force F3 on the lower blade 10 through the linkage of the connecting rod body 7, and the upward force F3 of the connecting rod body 7 driving the lower blade 10 is the same as the downward F1 impact force of the upper blade 12, according to the force analysis, it can be concluded that the impact force F2 of the lower blade 10 minus the magnetic field force between the two magnet handles 6 and the solenoid core 3 is equal to the upward force F3 of the lower blade 10 driven by the connecting rod body 7, therefore it can be deduced that F2 is greater than F3, therefore the lower blade 10 will not be closed when being impacted laterally, and the problem that the light-shielding blade of the traditional shutter structure is easily closed due to impact under a large lateral impact, causing the camera to be unable to be normally used is avoided.

[0028] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it should not be understood as limiting the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.

Claims

1. A shutter dual magnetic valve linkage structure, comprising a fixed base (1), wherein a magnetic valve base (2) is disposed within the fixed base (1), and two solenoid cores (3) are diagonally mounted on the magnetic valve base (2), and a control component for controlling the magnetic pole direction of the solenoid cores (3) is disposed on the bottom wall of the magnetic valve base (2), characterized in that: The solenoid core (3) bottom rotationally connected with the magnet handle (6), the handle of the magnet handle (6) penetrates the magnetic valve base (2) and extends above the magnetic valve base (2), the upper surface of the magnetic valve base (2) is rotationally connected with the connecting rod body (7), the connecting rod body (7) is sleeved on the handle of the two magnet handles (6) respectively, a group of lower blades (10) are arranged above the connecting rod body (7), one end of the lower blades (10) is rotationally connected with the magnetic valve base (2) through the connecting piece, the side of the lower blades (10) is fixedly connected with the inner wall of the fixed seat (1), a group of upper blades (12) are arranged above the lower blades (10), one end of the upper blades (12) is rotationally connected with the magnetic valve base (2) through the connecting piece, the lower blades (10) and the upper blades (12) are distributed in staggered symmetry, the end of the lower blades (10) and the upper blades (12) close to the connecting piece is also provided with a special-shaped hole (14), the upper blades (12) and the special-shaped hole (14) are sleeved on the handle of the two magnet handles (6) through the special-shaped hole (14), and the top of the fixed seat (1) is also provided with an upper cover (15) for sealing.

2. A shuttered double magnetic valve connecting rod structure according to claim 1, characterized in that: The control assembly comprises two control coils (4) mounted on the lower surface of the magnetic valve base (2), and the two control coils (4) are connected by wires, and one of the control coils (4) is electrically connected with an electrode connection patch (5).

3. The shuttered dual magnetic valve link structure of claim 1, wherein: The solenoid core (3) is provided with an arc-shaped through hole on the side of the magnetic valve base (2), and the handle of the magnet handle (6) penetrates the magnetic valve base (2) and can rotate in the arc-shaped through hole.

4. The shuttered dual magnetic valve link structure of claim 1, wherein: The connecting rod body (7) is in L-shaped structure, a connecting hole is formed in the middle section of the connecting rod body (7), a first connecting shaft (8) is fixedly connected to the upper surface of the magnetic valve base (2) below the connecting hole, and the connecting rod body (7) is sleeved on the first connecting shaft (8) through the connecting hole and can rotate around the first connecting shaft (8).

5. The shuttered dual magnetic valve link structure of claim 1, wherein: The connecting piece is two second connecting shafts (9) fixedly connected to the upper surface of the magnetic valve base (2), one end of the upper blades (12) and the lower blades (10) close to the corresponding second connecting shaft (9) is provided with an assembly hole (13), and the upper blades (12) and the lower blades (10) are sleeved on the second connecting shaft (9) through the assembly hole (13).

6. The shuttered dual magnetic valve link structure of claim 1, wherein: The fixed seat (1), the magnetic valve base (2), the partition plate (11) and the upper cover (15) are all provided with a rectangular light-transmitting hole in the center.

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