CN109026781A - A kind of hand-held electric fan of secondary fuse - Google Patents

Abstract

The invention discloses a hand-held electric fan with secondary safety, which comprises a handle, a driving body is arranged at the upper end of the handle, a connecting seat is connected to the right side of the upper and lower ends of the driving body, and the middle part of the right side of the connecting seat is inlaid with a mounting end, and the right side of the mounting end is The blade shaft is fixed on the side, the edge of the blade shaft is fixedly connected with the blade, the inner left side of the connection seat is embedded with a drive plate, and the left side of the drive plate is fixed with a connecting shaft, the left side of the installation end is connected with a limit plate, and the limit plate The inner upper end is provided with a first through hole. It solves the problem that in the prior art, the hand-held electric fan drives the blades to rotate after the drive motor is energized. As long as the switch is turned on, the fan will immediately rotate, and the blades of the hand-held electric fan are directly exposed to the air without protective measures. If you accidentally touch the switch, you may be injured by the blades if you are unprepared.

Description

A secondary safety hand-held electric fan

technical field

The invention relates to the field of fans, in particular to a secondary insurance hand-held electric fan.

Background technique

When summer comes, the fan has become an indispensable tool. Hand-held electric fans are widely used because of their lightness and convenience, and can be driven by batteries. , as long as the switch is turned on, the fan will rotate immediately, and the blades of the hand-held electric fan are directly exposed to the air, without protective measures, if you accidentally touch the switch, you may be hit by the blades without any precautions hurt.

Contents of the invention

The purpose of the present invention is to provide a secondary safety hand-held electric fan to solve the problem in the prior art mentioned in the above-mentioned background technology. The hand-held electric fan drives the blades to rotate after the drive motor is energized. As long as the switch is turned on, the fan will immediately rotate. , and the blades of the hand-held electric fan are directly exposed to the air, without protective measures, if you accidentally touch the switch, you may be injured by the blades without any precautions.

In order to achieve the above object, the present invention provides the following technical means: a secondary safety hand-held electric fan, including a handle, the upper end of the handle is provided with a driving body, the upper and lower ends of the driving body are connected to the right side with a connecting seat, and the connecting seat The middle part of the right side of the mounting end is inlaid with a mounting end, the right side of the mounting end is fixed with a blade shaft, the edge of the blade shaft is fixedly connected with a blade, the inner left side of the connecting seat is inlaid with a drive plate, and the left side of the drive plate is fixed There is a connecting shaft, the left side of the installation end is connected to the limiting plate, and the inner upper end of the limiting plate is provided with a first through hole, the first steel ball is installed inside the connecting seat, and the first steel ball is close to the center line of the connecting seat One end of the first turntable is inlaid with the first turntable, the slot is arranged on the inner left side of the first turntable, and the left side of the slot is connected with a second through hole.

Preferably, a pin is provided on the right side of the driving board, the pin is fixedly connected to the driving board, and the length of the pin is equal to the sum of the length of the first through hole and the length of the second through hole.

Preferably, there is a sliding connection between the first steel ball and the connecting seat, and a sliding connection between the first steel ball and the first turntable.

Preferably, the inner wall of the driving plate is inlaid with a second steel ball, and the end of the second steel ball close to the center point of the driving plate is connected to a second turntable, the limiting plate is fixedly connected to the installation end, and the limiting plate The length is equal to the length of the slot.

Preferably, the drive plate is slidably connected to the connecting seat, and the drive plate is rotatably connected to the second turntable through the second steel ball.

Preferably, the protruding end of the driving body is provided with a butt joint, the butt joint is mated with the connecting shaft, the butt joint includes an insertion rod, and three rectangular protrusions are symmetrically arranged on the surface of the insertion rod. The connecting shaft includes a circular ring, and three rectangular grooves are symmetrically arranged in the center of the inner surface of the circular ring, the insertion rod is slidably connected with the circular ring, and the rectangular protrusion is mated with the rectangular groove.

Preferably, the top of the connecting seat is provided with a strip-shaped through hole, and the top of the driving plate is provided with a cylindrical card slot, and a clamping rod is clamped in the cylindrical card slot, and the clamping rod passes through the bar-shaped through hole , and is slidably connected with the bar-shaped through hole, the top of the clamping rod is provided with a clamping cap, and the clamping cap is fixedly connected with the clamping rod.

Preferably, the handle is provided with a start switch

The beneficial effects of the present invention are: the present invention can directly pass through the first through hole and be inserted into the inside of the second through hole through the bolt, so that the installation end and the limiting plate can be fixed on the first rotating disk, so that the installation end and The connection between the first turntables is tighter, so that the installation end, the drive plate and the first turntable are connected together. In the present invention, the first steel balls are flexibly connected with the connection seat and the first turntable respectively. When the connection seat is fixed on the driving body, the first turntable can rotate in the connection seat by using the first steel ball without Drive the connecting seat to rotate together.

Since the connecting base and the driving body are connected by threads, the rotating connecting base can be disassembled from the driving main body, and the first drill bit is inserted and passed through the left side of the connecting base, so that the limit plate on the left side of the installation end enters into the card slot, push the drive plate, and insert the pin through the first through hole into the second through hole, then fix the installation end and the limit plate on the first turntable, so that the gap between the installation end and the first turntable The connection is tighter, so that the installation end, the drive plate and the first turntable are connected together, which makes installation and disassembly more convenient, and the drive plate can use the bolt to drive the installation end to rotate, and then fix the connection seat to the drive body, and rotate at the same time , the drive shaft in the drive body is in contact with the connecting shaft, which drives the second turntable to rotate. At this time, the pin is not inserted into the second through hole, so the fan will not rotate, so as to prevent the blades from turning when people accidentally touch the start switch. Rotate without precautions, press the connecting seat at this time, so that the connecting seat moves towards the handle, at this time, the pin is inserted into the second through hole, driving the installation end to rotate, and then the blade rotates. When the blade rotates, in order to To prevent the detachment of the latch from the second through hole, the clamping cap is pressed down, and the clamping rod is clamped in the cylindrical clamping groove, so as to achieve the purpose of fixing.

Description of drawings

Fig. 1 is a structure diagram of a hand-held electric fan with secondary safety according to the present invention.

Fig. 2 is a main sectional view of the connecting seat according to the present invention.

Fig. 3 is a left side view of the driving board according to the present invention.

Figure 4 is a left sectional view of the connecting shaft.

Fig. 5 is a partial enlarged view of A in Fig. 2 .

Among them: 01 driving body, 011 butt joint, 0111 insert rod, 0112 rectangular protrusion, 02 connecting seat, 021 strip through hole, 03 mounting end, 05 handle, 06 start switch, 07 blade shaft, 08 blade, 09 drive plate , 091 cylindrical card slot, 092 card rod, 093 card cap, 10 pin, 11 connecting shaft, 111 ring, 112 rectangular groove, 12 limit plate, 13 first through hole, 14 first steel ball, 15 first Turntable, 16 draw-in grooves, 17 second through holes, 18 second steel balls, 19 second turntables.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

A secondary safety hand-held electric fan, including a handle 05, the upper end of the handle 05 is provided with a driving body 01, the upper and lower ends of the driving body 01 are connected to the right side of the connecting seat 02, and the middle part of the right side of the connecting seat 02 is inlaid with The installation end 03, the blade shaft 07 is fixed on the right side of the installation end 03, the edge of the blade shaft 07 is fixedly connected with the blade 08, the inner left side of the connection seat 02 is embedded with a drive plate 09, and the drive plate 09 The left side is fixed with a connecting shaft 11, the left side of the mounting end 03 is connected to a limiting plate 12, and the inner upper end of the limiting plate 12 is provided with a first through hole 13, and the inside of the connecting seat 02 is installed with a first steel ball 14, and the end of the first steel ball 14 close to the center line of the connecting seat 02 is inlaid with the first turntable 15, the card slot 16 is arranged on the inner left side of the first turntable 15, and the left side of the card slot 16 is connected with the second pass hole 17, the right side of the drive plate 09 is provided with a pin 10, which is fixedly connected between the pin 10 and the drive plate 09, and the length of the pin 10 is equal to the length of the first through hole 13 and the length of the second through hole 17. The sum of the lengths, the sliding connection between the first steel ball 14 and the connecting seat 02, and the sliding connection between the first steel ball 14 and the first turntable 15, the inner wall of the driving plate 09 is inlaid with the second steel ball 18, And the end of the second steel ball 18 close to the center point of the driving plate 09 is connected with the second turntable 19, the limiting plate 12 is fixedly connected with the installation end 03, and the length of the limiting plate 12 is equal to the length of the slot 16 , the drive plate 19 is slidably connected to the connecting seat 02 , and the drive plate 19 is rotationally connected to the second turntable 09 through the second steel ball 18 . Since the connecting base 02 and the driving body 01 are threadedly connected, the rotating connecting base 02 can be disassembled from the driving main body 01, and the first drill bit 04 is inserted and passed through the left side of the connecting base 02, so that the mounting end 03 The limiting plate 12 on the left side enters the card slot 16, and after pushing the drive plate 09, the latch 10 is inserted into the second through hole 17 through the first through hole 13, and the mounting end 03 and the limiting plate 12 are fixed. On the first turntable 15, the connection between the installation end 03 and the first turntable 15 is made closer, so that the installation end 03, the drive plate 09 and the first turntable 15 are connected together, making installation and removal more convenient, and the drive plate 09 can use the bolt 10 to drive the installation end 03 to rotate, and then fix the connecting seat 02 to the driving body 01.

The protruding end of the driving body 01 is provided with a butt joint 011, and the butt joint 011 is mated with the connecting shaft 11. The butt joint 011 includes an insertion rod 0111, and the surface center of the insertion rod 0111 is symmetrically provided with three rectangular protrusions. Starting from 0112, the connecting shaft 11 includes a circular ring 111, three rectangular grooves 112 are arranged symmetrically in the center of the inner surface of the circular ring 111, the insertion rod 0111 is slidingly connected with the circular ring 111, and the rectangular protrusion 0112 is connected with The groove 112 is matched and connected, the top of the connecting seat 02 is provided with a strip-shaped through hole 021, the top of the driving plate 09 is provided with a cylindrical clamping groove 091, and a clamping rod 092 is clamped inside the cylindrical clamping groove 091, so that The locking rod 092 passes through the strip-shaped through hole 021 and is slidably connected with the strip-shaped through hole 021 . The top of the locking rod 092 is provided with a locking cap 093 , and the locking cap 093 is fixedly connected with the locking rod 092 . Through the cooperation of the rectangular groove 112 and the rectangular protrusion 0112 , it is ensured that the blade 08 can rotate synchronously and rapidly, and the handle 05 is provided with a start switch 06 . The start switch 06 is electrically connected with the driving body 01 .

Specific working principle and steps: Since the connecting seat 02 and the driving body 01 are threadedly connected, the rotating connecting seat 02 can be disassembled from the driving body 01, and the first drill bit 04 is inserted from the left side of the connecting seat 02 and passed through. In the past, the limit plate 12 on the left side of the installation end 03 was inserted into the card slot 16, and the drive plate 09 was pushed to insert the latch 10 through the first through hole 13 into the second through hole 17, and the installation end 03 was inserted into the second through hole 17. Fixed on the first turntable 15 with the limit plate 12, so that the connection between the installation end 03 and the first turntable 15 is tighter, and the installation end 03, the drive plate 09 and the first turntable 15 are connected together, so that the installation and disassembly It is more convenient, and the drive plate 09 can use the bolt 10 to drive the installation end 03 to rotate, and then fix the connecting seat 02 to the drive main body 01 . After the start switch 06 is activated, the driving body 01 rotates. While rotating, the drive shaft in the driving body 01 contacts the connecting shaft 11, driving the second turntable 19 to rotate. At this time, the latch 10 is not inserted into the second through hole 17, so The fan will not rotate to prevent the blades 08 from rotating unpreparedly when people accidentally touch the start switch 06. At this time, press the connecting seat 02 to move the connecting seat 02 to the direction of the handle 05. At this time, the latch 10 is inserted into the second through hole 17, which drives the installation end 02 to rotate, and then the blade 08 rotates. When the blade 08 rotates, in order to prevent the latch 10 from being separated from the second through hole 17, press the clamp cap 093 to lock the lever 092 is clamped in the cylindrical slot 091 for fixing purpose.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. a kind of secondary fuse holds electric fan, which is characterized in that including handle (05), handle (05) upper end is equipped with driving The upper and lower side right side of main body (01), driving main body (01) is connected with attachment base (02), and the right side central of attachment base (02) It is inlaid with installation end (03), is fixed with blade rotor (07) on the right side of the installation end (03), blade rotor (07) edge It is fixedly connected with blade (08), the inside left of the attachment base (02) is inlaid with driving plate (09), and a left side for driving plate (09) Side is fixed with connecting shaft (11), is connected with limit plate (12) on the left of the installation end (03), and on the inside of limit plate (12) End is mounted with first through hole (13), and the inside of the attachment base (02) is equipped with the first steel ball (14), and the first steel ball (14) leans on One end of nearly attachment base (02) center line is inlaid with the first turntable (15), and the card slot (16) is set to the interior of the first turntable (15) On the left of portion, and the second through-hole (17) are connected on the left of card slot (16).

2. a kind of secondary fuse according to claim 1 holds electric fan, which is characterized in that the right side of the driving plate (09) Side is provided with bolt (10), is fixedly connected between the bolt (10) and driving plate (09), and the length of bolt (10) is equal to The length of first through hole (13) and the sum of the length of the second through-hole (17).

3. a kind of secondary fuse according to claim 1 holds electric fan, which is characterized in that first steel ball (14) with It to be slidably connected between attachment base (02), and is to be slidably connected between the first steel ball (14) and the first turntable (15).

4. a kind of secondary fuse according to claim 1 holds electric fan, which is characterized in that the driving plate (09) it is interior Wall is inlaid with the second steel ball (18), and the second steel ball (18) is connected with the second turntable close to one end of driving plate (09) central point (19), to be fixedly connected between the limit plate (12) and installation end (03), and the length of limit plate (12) and card slot (16) Equal length.

5. a kind of secondary fuse according to claim 4 holds electric fan, which is characterized in that the driving plate (19) and company Joint chair (02) is slidably connected, and driving plate (19) and the second turntable (09) are rotatablely connected by the second steel ball (18).

6. a kind of secondary fuse according to claim 1 holds electric fan, which is characterized in that driving main body (01) Extension end is equipped with butt joint (011), and the butt joint (011) and connecting shaft (11) are cooperatively connected, and the butt joint (011) includes Inserted link (0111), inserted link (0111) centre of surface are symmetrically arranged with three rectangular preiections (0112), connecting shaft (11) packet Include annulus (111), annulus (111) the inner surface central symmetry is set there are three rectangular recess (112), the inserted link (0111) with Annulus (111) is slidably connected, and the rectangular preiection (0112) and rectangular recess (112) are cooperatively connected.

7. a kind of secondary fuse according to claim 1 holds electric fan, which is characterized in that at the top of the attachment base (02) Cylindrical card slot (091) is equipped with equipped with strip through-hole (021), at the top of the driving plate (09), the cylinder card slot (091) is interior It is connected with kelly (092), the kelly (092) passes through strip through-hole (021), and is slidably connected with strip through-hole (021), described It is equipped with card cap (093) at the top of kelly (092), the card cap (093) is fixedly connected with kelly (092).

8. a kind of secondary fuse according to claim 1 holds electric fan, which is characterized in that the handle (05) is equipped with Start switch (06).