Shutter flashlight dual-purpose transmission box

Abstract

The present invention discloses a dual-purpose transmission box for blinds, including a transmission box body, wherein the transmission box body includes a front shell and a rear shell, the front shell and the rear shell are detachably connected, and further includes an electric drive system, a manual drive system, a transmission screw, a drive seat, a first travel switch and a second travel switch, the manual drive system includes a knob, a first fixed seat and a push block, the first fixed seat is provided with a first gear, the first gear is threadedly connected to the transmission screw, the front end of the push block is provided with a manual shaft, the knob is connected to the manual shaft, and the electric drive system or the manual drive system drives the drive seat to move up and down along the transmission screw. First, the electric drive system and the manual drive system can respectively drive the transmission screw to rotate, and then the transmission screw drives the drive seat to move up and down along the transmission screw, so that the drive seat drives the blinds to unfold or close, and finally, through the above structural arrangement, the blinds can be opened or closed by the electric drive system and can also be opened or closed by the manual drive system.

Description

Technical Field

[0001] The invention relates to a shutter, in particular to a flashlight dual-purpose transmission box for the shutter. Background Art

[0002] Nowadays, people have a growing demand for privacy in their personal lives. Venetian blinds are becoming increasingly popular due to their ease of operation and affordability. However, current Venetian blinds are typically driven directly by a motor or manually, and cannot be operated both manually and electrically. Therefore, improvements are needed. Summary of the Invention

[0003] The present invention aims to solve the problem that the shutters in the prior art cannot be operated both manually and electrically, and provides a new flashlight dual-purpose transmission box for the shutters.

[0004] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0005] The flashlight dual-purpose transmission box for blinds includes a transmission box body, the transmission box body includes a front shell and a rear shell, the front shell and the rear shell are detachably connected, and also includes an electric drive system, a hand drive system, a transmission screw, a drive seat, a first travel switch and a second travel switch, the drive seat is threadedly connected to the transmission screw, the electric drive system includes a motor, the drive shaft of the motor is connected to the transmission screw, a travel block is provided on the drive seat, and the travel block conflicts with the first travel switch or the second travel switch, the hand drive system includes a knob, a first fixed seat and a push block, the first fixed seat is provided with a first gear, the first gear is threadedly connected to the transmission screw, the front end of the push block is provided with a manual shaft, the knob is connected to the manual shaft, the rear end of the push block is provided with a second gear, the second gear cooperates with the first gear, and the electric drive system or the hand drive system drives the drive seat to move up and down along the transmission screw.

[0006] The present invention first drives the transmission screw to rotate through the electric drive system and the manual drive system respectively, and then the transmission screw drives the drive seat to move up and down along the transmission screw, so that the drive seat drives the blinds to expand or close. Finally, through the above structural settings, the blinds can be opened or closed by the electric drive system and by the manual drive system.

[0007] Preferably, the above-mentioned blinds flashlight dual-purpose transmission box, the electric drive system also includes a first clutch, a second clutch and a second fixed seat, the first clutch and the second clutch are both arranged between the motor and the second fixed seat, the first clutch and the second clutch are engaged or separated with each other, and the diameter of the first clutch is larger than that of the second clutch, the lower end of the transmission box body is also provided with a rotating bearing, the upper end of the transmission screw is connected to the second fixed seat, and the lower end of the transmission screw is connected to the rotating bearing.

[0008] The second fixing seat is used to install the motor and the transmission screw. When the first clutch and the second clutch are separated, the electric drive system cannot work. When the first clutch and the second clutch are engaged, the electric drive system can work.

[0009] Preferably, in the above-mentioned blinds flashlight dual-purpose transmission box, the lower end of the first clutch has slots distributed along the circumference, the upper end of the second clutch is provided with a block at a position corresponding to the slot, and a spring is provided between the upper end of the first clutch and the motor.

[0010] By setting the engaging slot and the engaging block, the first clutch and the second clutch can be engaged or separated, and the spring is used to reset the first clutch.

[0011] Preferably, the above-mentioned blinds flashlight dual-purpose transmission box, the hand-drive system also includes a locking mechanism, the locking mechanism includes a locking plate and a locking screw, one end of the locking plate is connected to the push block, the other end of the locking plate is an open end, the locking screw is arranged on the second fixing seat, and the open end of the locking plate cooperates with the locking screw.

[0012] The manual drive system cannot be operated when the locking mechanism is locked, and can be operated when the locking mechanism is unlocked.

[0013] Preferably, in the above-mentioned blinds flashlight dual-purpose transmission box, the open end of the locking plate includes a locking portion and an unlocking portion, and the push block drives the locking plate to cooperate with the locking screw.

[0014] When the locking piece is in the unlocking portion, the manual drive system drives the transmission box. When the locking piece is in the locking portion, the manual drive system cannot drive the transmission box.

[0015] Preferably, the above-mentioned blinds flashlight dual-purpose transmission box further includes a shift fork, which is movably connected to the first fixing seat, the upper end of the shift fork abuts against the lower end of the first clutch, and the lower end of the shift fork abuts against the push block.

[0016] When the push block pushes the shift fork forward, the shift fork lifts the first clutch upward, thereby separating the first clutch from the second clutch. At this time, the transmission box can be driven by the manual drive system. When the push block pulls the shift fork backward, the shift fork lowers the first clutch downward, thereby engaging the first clutch and the second clutch with each other. At this time, the transmission box can be driven by the electric drive system.

[0017] Preferably, the above-mentioned blinds flashlight dual-purpose transmission box further has an end cover between the knob and the front shell.

[0018] The end cover can prevent dust or water from entering the transmission box along the manual shaft.

[0019] Preferably, in the above-mentioned blinds flashlight dual-purpose transmission box, the first travel switch and the second travel switch are respectively arranged on the rear shell, and the first travel switch is close to the upper end of the transmission screw, and the second travel switch is close to the lower end of the transmission screw.

[0020] The first travel switch and the second travel switch are respectively arranged at the positions corresponding to the maximum distances that the driving seat can move.

[0021] Preferably, the above-mentioned blinds flashlight dual-purpose transmission box has first arc-shaped grooves on the left and right sides of the front shell, and second arc-shaped grooves on the left and right sides of the rear shell. After the front shell and the rear shell are connected, the first arc-shaped grooves and the second arc-shaped grooves form a movable space.

[0022] The movable space facilitates the up and down movement of the driving seat.

[0023] Preferably, in the above-mentioned dual-purpose transmission box for blinds and flashlights, both ends of the driving seat are provided with fixing rods, and both ends of the fixing rods are respectively located in the corresponding activity spaces.

[0024] The fixing rod is used to connect the blades of the blinds, so that the blades can be driven to open or close. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the transmission box main body of the present invention;

[0026] Figure 2 This is a schematic diagram of the exploded structure of the transmission box body of the present invention;

[0027] Figure 3 It is a three-dimensional structural diagram of the internal structure of the transmission box body of the present invention;

[0028] Figure 4 This is a schematic diagram of the longitudinal structure of the electric drive of the present invention when in use;

[0029] Figure 5This is a schematic diagram of the longitudinal structure of the hand-operated drive of the present invention when in use;

[0030] Figure 6 It is a schematic diagram of the three-dimensional structure of the locking piece of the present invention. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-6 The present invention is further described in detail with specific embodiments, but they are not intended to limit the present invention:

[0032] Example 1

[0033] like Figures 1-6 As shown, the blinds flashlight dual-purpose transmission box includes a transmission box body 1, the transmission box body 1 includes a front shell 11 and a rear shell 12, the front shell 11 and the rear shell 12 are detachably connected, and also includes an electric drive system 2, a hand drive system 3, a transmission screw 4, a drive seat 5, a first travel switch 6 and a second travel switch 7, the drive seat 5 is threadedly connected to the transmission screw 4, the electric drive system 2 includes a motor 21, the drive shaft of the motor 21 is connected to the transmission screw 4, a travel block 51 is provided on the drive seat 5, and the travel block 51 is connected to the first travel switch 6 or The second travel switch 7 conflicts, and the manual drive system 3 includes a knob 31, a first fixed seat 32 and a push block 33. The first fixed seat 32 is provided with a first gear 321, and the first gear 321 is threadedly connected to the transmission screw 4. The front end of the push block 33 is provided with a manual shaft 331, and the knob 31 is connected to the manual shaft 331. The rear end of the push block 33 is provided with a second gear 332, and the second gear 332 cooperates with the first gear 321. The electric drive system 2 or the manual drive system 3 drives the drive seat 5 to move up and down along the transmission screw 4.

[0034] Preferably, the electric drive system 2 also includes a first clutch 22, a second clutch 23 and a second fixed seat 24. The first clutch 22 and the second clutch 23 are both arranged between the motor 21 and the second fixed seat 24. The first clutch 22 and the second clutch 23 are engaged or separated with each other, and the diameter of the first clutch 22 is larger than that of the second clutch 23. The lower end of the transmission box body 1 is also provided with a rotating bearing 13, the upper end of the transmission screw 4 is connected to the second fixed seat 24, and the lower end of the transmission screw 4 is connected to the rotating bearing 13.

[0035] Preferably, the lower end of the first clutch 22 has slots 221 distributed along the circumference, the upper end of the second clutch 23 has a block 231 at a position corresponding to the slots 221 , and a spring 25 is provided between the upper end of the first clutch 22 and the motor 21 .

[0036] Preferably, the hand-drive system 3 also includes a locking mechanism 34, which includes a locking plate 341 and a locking screw 342. One end of the locking plate 341 is connected to the push block 33, and the other end of the locking plate 341 is an open end 35. The locking screw 342 is arranged on the second fixing seat 24, and the open end 35 of the locking plate 341 cooperates with the locking screw 342.

[0037] Preferably, the open end 35 of the locking piece 341 includes a locking portion 351 and an unlocking portion 352 , and the pushing block 33 drives the locking piece 341 to cooperate with the locking screw 342 .

[0038] Preferably, a shift fork 8 is further included, which is movably connected to the first fixing seat 32 , the upper end of the shift fork 8 abuts against the lower end of the first clutch 22 , and the lower end of the shift fork 8 abuts against the push block 33 .

[0039] Preferably, an end cover 9 is further provided between the knob 31 and the front shell 11 .

[0040] Preferably, the first travel switch 6 and the second travel switch 7 are respectively arranged on the rear housing 12 , and the first travel switch 6 is close to the upper end of the transmission screw 4 , and the second travel switch 7 is close to the lower end of the transmission screw 4 .

[0041] Preferably, the left and right sides of the front shell 11 are respectively provided with a first arc groove 111, and the left and right sides of the rear shell 12 are respectively provided with a second arc groove 121. After the front shell 11 and the rear shell 12 are connected, the first arc groove 111 and the second arc groove 121 form an activity space 10.

[0042] Preferably, both ends of the driving seat 5 are provided with fixing rods 52 , and both ends of the fixing rod 52 are respectively located in the corresponding activity space 10 .

[0043] Specifically, when the present invention is in use, the shutter needs to be connected to the fixed rod 52 of the drive seat 5. When the shutter is electrically driven, the first clutch 22 and the second clutch 23 are engaged through the clamping groove 221 and the clamping block 231. At this time, the motor 21 can drive the transmission screw 4 to rotate, so that the transmission screw 4 drives the drive seat 5 to move up and down along the transmission screw 4, thereby driving the shutter to be opened or closed.

[0044] When the shutter is manually driven, the knob 31 is first pushed inward, driving the pushing block 33 to move inward synchronously, and the pushing block 33 will drive the lower end of the shift fork 8 to move inward, and the upper end of the shift fork 8 will move the first clutch 22 upward, thereby disengaging the first clutch 22 and the second clutch 23, and when the pushing block 33 is pushed inward, the locking plate 341 will move from the locking portion 351 to the unlocking portion 352, at this time, the second gear 332 at the rear end of the pushing block 33 will mesh with the first gear 321 on the first fixed seat 32, so that when the knob 31 is turned, the knob 31 will drive the second gear 332 to rotate, and the second gear 332 will drive the transmission screw 4 to rotate, and then the transmission screw 4 will drive the driving seat 5 to move up and down along the transmission screw 4, so as to drive the shutter to be expanded or closed; finally, through the above structural arrangement, the shutter can be opened or closed by electric power or manually.

[0045] In short, the above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A transmission box for blinds and flashlights, comprising a transmission box body (1), wherein the transmission box body (1) comprises a front shell (11) and a rear shell (12), wherein the front shell (11) and the rear shell (12) are detachably connected, and wherein: The invention also includes an electric drive system (2), a manual drive system (3), a transmission screw (4), a drive seat (5), a first travel switch (6) and a second travel switch (7), wherein the drive seat (5) is threadedly connected to the transmission screw (4), the electric drive system (2) includes a motor (21), a drive shaft of the motor (21) is connected to the transmission screw (4), a travel block (51) is provided on the drive seat (5), and the travel block (51) conflicts with the first travel switch (6) or the second travel switch (7), the manual drive system (3) includes a knob (31), a first fixing seat (32) and a push block (33), the first fixing seat (32) is provided with a first gear (321), the first gear (321) is threadedly connected to the transmission screw (4), the front end of the push block (33) is provided with a manual shaft (331), the knob (31) is connected to the manual shaft (331), the rear end of the push block (33) is provided with a second gear (332), the second gear (332) cooperates with the first gear (321), the electric drive system (2) or the manual drive system (3) drives the drive seat (5) to move up and down along the transmission screw (4), and the electric drive system (2) also includes a first clutch (22), a second clutch (23) and a second fixed seat (24) The first clutch (22) and the second clutch (23) are both arranged between the motor (21) and the second fixed seat (24), the first clutch (22) and the second clutch (23) are engaged with or separated from each other, and the diameter of the first clutch (22) is larger than the diameter of the second clutch (23), the lower end of the transmission box body (1) is also provided with a rotating bearing (13), the upper end of the transmission screw (4) is connected to the second fixed seat (24), and the lower end of the transmission screw (4) is connected to the rotating bearing (13), the hand drive system (3) also includes a locking mechanism (34), and the locking mechanism (34) includes a locking plate (34 1) and a locking screw (342), one end of the locking piece (341) is connected to the pushing block (33), the other end of the locking piece (341) is an open end (35), the locking screw (342) is arranged on the second fixing seat (24), the open end (35) of the locking piece (341) cooperates with the locking screw (342), the open end (35) of the locking piece (341) includes a locking portion (351) and an unlocking portion (352), the pushing block (33) drives the locking piece (341) to cooperate with the locking screw (342), and the transmission screw (4) moves up and down to drive the blinds to be opened or closed.

2. The blinds flashlight dual-purpose transmission box according to claim 1, characterized in that: The lower end of the first clutch (22) is provided with a clamping groove (221) distributed along the circumference, the upper end of the second clutch (23) is provided with a clamping block (231) at a position corresponding to the clamping groove (221), and a spring (25) is provided between the upper end of the first clutch (22) and the motor (21).

3. The blinds flashlight dual-purpose transmission box according to claim 1, characterized in that: It also includes a shift fork (8), which is movably connected to the first fixed seat (32), the upper end of the shift fork (8) abuts against the lower end of the first clutch (22), and the lower end of the shift fork (8) abuts against the push block (33).

4. The blinds flashlight dual-purpose transmission box according to claim 1, characterized in that: An end cover (9) is further provided between the knob (31) and the front shell (11).

5. The blinds flashlight dual-purpose transmission box according to claim 1, characterized in that: The first travel switch (6) and the second travel switch (7) are respectively arranged on the rear housing (12), and the first travel switch (6) is close to the upper end of the transmission screw (4), and the second travel switch (7) is close to the lower end of the transmission screw (4).

6. The blinds flashlight dual-purpose transmission box according to claim 1, characterized in that: The left and right sides of the front shell (11) are respectively provided with first arc grooves (111), and the left and right sides of the rear shell (12) are respectively provided with second arc grooves (121). When the front shell (11) and the rear shell (12) are connected, the first arc groove (111) and the second arc groove (121) form an activity space (10).

7. The blinds flashlight dual-purpose transmission box according to claim 6, characterized in that: Both ends of the driving seat (5) are provided with fixing rods (52), and both ends of the fixing rod (52) are respectively located in the corresponding activity space (10).

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