Back cushion with fan function

Abstract

The back cushion with the fan function comprises a shell, the shell is connected to the outer wall of a barrel body through a limiting piece, a fan is rotationally connected into the shell, a ventilation hole is formed in the side, back to the barrel body, of the shell, and air generated after the fan rotates is guided out of the ventilation hole and then blown to the back of an operator. And the heat of the back is quickly dissipated, so that the purpose of improving the comfort level is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heat dissipation equipment field especially, relate to a back pad with fan function. BACKGROUND

[0002] At present, the Chinese patent with the application publication number CN119016226A discloses a sprayer with spray water content adjusting function, relates to atomization device technical field, and the sprayer includes a barrel body, a barrel seat and a handle, the barrel seat is installed below the barrel body, the electric drive mechanism is installed in the barrel seat, the output end of the electric drive mechanism is installed with the transmission pipe, the handle is sleeved on one end of the transmission pipe, the handle is installed with the on-off valve that communicates the transmission pipe, the on-off valve is connected with the spray pipe, the output end of the spray pipe is installed with the nozzle, the electric drive mechanism makes the gas and the liquid medicine mix and spray, and the atomization effect is produced.

[0003] This sprayer is a backpack type, in the hot environment, the operator's back and the outer wall of the barrel body are combined, heat dissipation is difficult, and work comfort is seriously reduced. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a back pad with fan function, the generated wind blows to the operator's back, the airflow velocity of the back is improved, the heat is quickly dissipated, and the work comfort is improved.

[0005] In order to solve the above technical problem, the technical scheme of the utility model is: a back pad with fan function, including the shell, still including the limiting piece, the fan, the limiting piece is used for connecting the shell on the sprayer barrel body, the air duct is equipped in the shell, the ventilation hole is formed in the side of the shell that is opposite to the barrel body, the wind produced by the fan blows into the air duct and is guided out from the ventilation hole.

[0006] The above technical scheme is realized, the shell is contacted with the back, the wind produced by the rotation of the fan blows to the operator's back through the ventilation hole, the airflow velocity of the back is improved, the heat is quickly dissipated, and the purpose that the work comfort is improved is reached.

[0007] As one preferred scheme of the utility model, the ventilation groove is formed in the shell, and the ventilation hole is located in the ventilation groove.

[0008] The above technical scheme is realized, the back is contacted with the outer wall of the shell, so that the ventilation hole is avoided to be blocked, the airflow velocity of the back is further improved, the wind can be conducted along the ventilation groove, is not easy to disperse everywhere, the airflow velocity of the back is further improved, and the comfort is further improved.

[0009] As a preferred scheme of the utility model, the ventilation groove is connected with a wind baffle for resisting the back of the operator, one end of the ventilation groove is communicated with the upper edge of the shell, and the wind led out of the ventilation hole is conducted along the ventilation groove to the upper edge of the shell after being blocked by the wind baffle.

[0010] The above technical scheme is realized, the wind led out of the ventilation hole is conducted along the ventilation groove to the upper edge of the shell after being blocked by the wind baffle, so that the wind can blow to the head, thereby further improving the comfort.

[0011] As a preferred scheme of the utility model, the limiting piece comprises a connecting part and an adjusting part, the connecting part is connected to the upper edge of the shell and connected to the outer wall of the barrel body through the positioning piece, and a plurality of adjusting parts are connected to the lower edge of the shell and connected to the outer wall of the barrel body.

[0012] The above technical scheme is realized, the connecting part is connected to the upper edge of the barrel body, and a plurality of connecting parts are connected to the lower edge of the barrel body, so that the connection between the shell and the barrel body is more stable.

[0013] As a preferred scheme of the utility model, the adjusting part comprises a fixed plate and an adjusting plate, the fixed plate is connected to the shell, the adjusting plate is slidably connected to the fixed plate along the width direction of the shell, and the adjusting plate is connected to the outer wall of the barrel body.

[0014] The above technical scheme is realized, so that the adjusting part can adapt to barrel bodies of different sizes and improve the practicability.

[0015] As a preferred scheme of the utility model, the fixed plate is provided with a communication hole and an adjusting groove, the connecting hole is communicated with the adjusting groove, the adjusting groove extends along the width direction of the shell, the adjusting plate is connected with a fixed block matched with the adjusting groove, the fixed block is connected with an anti-dropping block matched with the communication hole, and the anti-dropping block is slidably connected to the adjusting groove in the fixed block after passing through the communication hole.

[0016] The above technical scheme is realized, the anti-dropping block passes through the communication hole, then the adjusting plate is moved along the length direction of the adjusting groove, at the same time, the fixed block slides into the adjusting groove along with the adjusting plate, at this time, the anti-dropping block corresponds to the adjusting groove, and the adjusting plate and the barrel body are connected, so that the adjusting plate and the fixed plate cannot be separated, and the installation is convenient.

[0017] As a preferred scheme of the utility model, the fan comprises a fan blade and a motor, the fan blade is fixed on the power shaft of the motor, the outer wall of the shell is provided with a mounting hole, and the mounting hole is connected with a wiring port for electrically connecting with the motor.

[0018] The power line is connected to the wiring port, the fan blade rotates after the motor is started, and the motor can be started for a long time due to the external power supply, so that the operator can maintain good comfort for a long time.

[0019] As a preferred scheme of the utility model, the shell is connected with a controller for electrically connecting with the motor, the controller is connected with an adjusting knob, and the adjusting knob is located outside the shell.

[0020] The adjusting knob is rotated to control the rotating speed of the fan blade by sending an electric signal to the motor, so as to adapt to the needs of different operators.

[0021] As a preferred scheme of the utility model, the shell comprises a first mounting part and a second mounting part, and the first mounting part and the second mounting part are connected through buckling.

[0022] The above technical scheme is implemented to facilitate the installation of the fan in the shell, and also facilitates the mold opening of the shell.

[0023] In summary, the utility model has the following beneficial effects:

[0024] 1. The motor is started, the fan blade rotates, the generated wind enters the ventilation groove from the ventilation hole, part of the wind directly blows to the back of the operator, and part of the wind blows to the baffle along the ventilation groove and then blows to the upper edge of the shell along the ventilation groove to blow to the head of the operator, so that the back and the head can both feel cool;

[0025] 2. The adjusting plate is moved along the width direction of the shell, and then the adjusting plate is fixed to the barrel, so that the spray can be adapted to different sizes and models, and good practicability is achieved.

[0026] 3. The shell is formed by connecting the first mounting part and the second mounting part through buckling, so that the mold opening is convenient, the assembly is simple, and the production cost is low. DRAWINGS

[0027] Figure 1 It is an external structure schematic view of the utility model;

[0028] Figure 2 It is a position schematic view of the adjusting knob;

[0029] Figure 3 It is a back structure schematic view of the shell;

[0030] Figure 4 It is a position schematic view of the controller;

[0031] Figure 5 It is a structure schematic view of the first mounting part;

[0032] Figure 6 Figure 1 is a schematic view of the connection structure of the shell and the barrel body.

[0033] Reference signs: 1, shell; 10, air duct; 101, upper edge of the shell; 102, lower edge of the shell; 11, first mounting part; 12, second mounting part; 121, heat dissipation hole; 13, elastic clamping plate; 14, clamping groove; 2, fan; 21, fan blade; 22, motor; 23, mounting hole; 231, dustproof plug; 24, wiring port; 25, controller; 26, adjusting knob; 3, ventilation hole; 31, ventilation groove; 4, wind shield; 5, limiting part; 51, connecting part; 52, adjusting part; 521, fixed plate; 522, adjusting plate; 61, communication hole; 62, adjusting groove; 63, fixed block; 64, anti-dropping block; 100, barrel body. DETAILED DESCRIPTION

[0034] The specific embodiments of the present application are further described in detail below with reference to the accompanying drawings, so that the technical scheme of the present application is easier to understand and master.

[0035] A back cushion with a fan function comprises a shell 1 with an air duct 10 inside, and the shell 1 comprises a first mounting part 11 and a second mounting part 12. The first mounting part 11 and the second mounting part 12 are connected by buckling. The first mounting part 11 is located above the second mounting part 12, and after the first mounting part 11 and the second mounting part 12 are connected, a cavity is formed in the shell 1. An elastic clamping plate is integrally connected to the upper edge of the second mounting part 12, and a clamping groove is integrally connected to the lower edge of the first mounting part 11. The elastic clamping plate is embedded in the clamping groove, thereby achieving the splicing and fixing of the shell 1.

[0036] A fan 2 is fixedly connected inside the shell 1, and the fan 2 comprises a fan blade 21 and a motor 22. The fan blade 21 is fixed to the power shaft of the motor 22. A mounting hole 23 is formed in the outer wall of the shell 1, and a wiring port 24 for electrical connection with the motor 22 is fixedly connected to the mounting hole 23. The wiring port 24 is located inside the shell 1. The wiring port 24 is located at the right end of the second mounting part 12, and the motor 22 is located at the left end of the second mounting part 12. A heat dissipation hole 121 for heat dissipation of the motor 22 is formed in the second mounting part 12. The motor 22 is a high-speed direct-current brushless motor 22. A dustproof plug 231 is connected to the mounting hole 23.

[0037] A controller 25 is fixedly connected to the right end of the second mounting part 12, and the controller 25 is electrically connected with the motor 22. An adjusting knob 26 is connected to the controller 25. The adjusting knob 26 is located outside the second mounting part 12, and the controller 25 is located inside the second mounting part 12. The controller 25 is a potentiometer.

[0038] Ventilation holes 3 are formed on the shell 1, and each of the ventilation holes 3 has a plurality of waist-shaped cross sections.

[0039] Ventilation grooves 31 are formed on the outer wall of the shell 1, and the length direction of the ventilation grooves 31 is parallel to the length direction of the shell 1.

[0040] A baffle 4 is fixedly connected to the bottom end of the ventilation groove 31 and used for abutting against the back.

[0041] The shell 1 is fixedly connected to the barrel 100 of the sprayer through a limiting member 5.

[0042] The adjusting plate 522 is slidably connected to the fixed plate 521 along the width direction of the shell 1 and is connected to the outer wall of the barrel 100.

[0043] The fixed plate 521 is connected to the shell 1 and extends along the length direction of the shell 1.

[0044] The fixed plate 521 is connected to the shell 1 and extends along the length direction of the shell 1.

[0045] The adjusting plate 522 is fixed to the barrel 100.

[0046] Of course, the above is only a typical example of the present application, and the present application can have other various specific implementation manners, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.

Claims

1. A back pad with a fan function, comprising a housing (1), characterized in that: It also includes a limiting member (5) and a fan (2). The limiting member (5) is used to connect the housing (1) to the sprayer barrel (100). The housing (1) is provided with an air duct (10). The housing (1) has a ventilation hole (3) on the side facing away from the barrel (100). The air generated by the fan (2) is blown into the air duct (10) and out through the ventilation hole (3).

2. A back cushion with a fan function according to claim 1, characterized in that: The housing (1) is provided with a ventilation groove (31), and the ventilation hole (3) is located in the ventilation groove (31).

3. A back cushion with a fan function according to claim 2, characterized in that: The ventilation groove (31) is connected to a baffle plate (4) for contacting the back of the operator. One end of the ventilation groove (31) is connected to the upper edge (101) of the housing. The air vented from the ventilation hole (3) is blocked by the baffle plate (4) and then conducted along the ventilation groove (31) to the upper edge (101) of the housing.

4. A back pad with a fan function according to claim 1, characterized in that: The limiting member (5) includes a connecting part (51) and an adjusting part (52). The connecting part (51) is connected to the upper edge (101) of the shell and is connected to the outer wall of the barrel body (100) through a positioning member. The adjusting part (52) is connected to the lower edge (102) of the shell and is connected to the outer wall of the barrel body (100).

5. A back pad with a fan function according to claim 4, characterized in that: The adjustment part (52) includes a fixed plate (521) and an adjustment plate (522). The fixed plate (521) is connected to the shell (1). The adjustment plate (522) is slidably connected to the fixed plate (521) along the width direction of the shell (1). The adjustment plate (522) is connected to the outer wall of the barrel body (100).

6. A back pad with a fan function according to claim 5, characterized in that: The fixing plate (521) is provided with a connecting hole (61) and an adjusting groove (62). The connecting hole (61) communicates with the adjusting groove (62). The adjusting groove (62) extends along the width direction of the housing (1). The adjusting plate (522) is connected to a fixing block (63) for cooperating with the adjusting groove (62). The fixing block (63) is connected to an anti-detachment block (64) for cooperating with the connecting hole (61). After the anti-detachment block (64) passes through the connecting hole (61), it slides the fixing block (63) into the adjusting groove (62).

7. A back pad with a fan function according to any one of claims 1-6, characterized in that: The fan is installed inside the air duct.

8. A back pad with a fan function according to claim 7, characterized in that: The fan (2) includes a fan blade (21) and a motor (22). The fan blade (21) is fixed on the power shaft of the motor (22). The outer wall of the housing (1) is provided with a mounting hole (23). The mounting hole (23) is connected to a wiring port (24) for electrical connection with the motor (22).

9. A back pad with a fan function according to claim 8, characterized in that: The housing (1) is connected to a controller (25) for electrical connection with a motor (22), and the controller (25) is connected to an adjustment knob (26), which is located outside the housing (1).

10. A back pad with a fan function according to claim 8, characterized in that: The housing (1) includes a first mounting part (11) and a second mounting part (12), which are connected by a snap-fit.

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