Milk mixer circuit board with waterproof structure

Abstract

The utility model discloses a milk mixer circuit board with a waterproof structure, relates to the technical field of circuit boards, and aims to solve the problems that in the prior art, the protection effect is still insufficient, and the circuit is short-circuited and even burnt out due to the fact that scattered water makes contact with the circuit board in the using process, and potential safety hazards are caused. Comprising a milk mixing device base, a bottom shell is connected to the top in the milk mixing device base, and a top shell is arranged above the bottom shell. According to the utility model, by starting the fan, wind power enters the top shell through the air inlet shell so as to be blown to the circuit board body below, and the arranged filter screen can carry out dustproof filtration on air entering the air inlet shell, so that dust accumulation in the bottom shell is reduced in the heat dissipation process, and the heat dissipation efficiency is improved. The air inlet structure of the top shell and the air inlet shell and the waterproof structure of the bottom shell can prevent water stains from entering the bottom shell, the drainage hole of the milk mixer base also facilitates drainage of the water stains, and accumulation of water in the milk mixer base is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a milk mixer circuit board with a waterproof structure. Background Art

[0002] A milk conditioner is also called a milk conditioner. Its original purpose was to warm up boiled water to keep it at a suitable temperature for babies to drink, and to mix milk powder for feeding babies. The basic function of a milk conditioner is to keep the water temperature constant, so it is also called a constant temperature milk conditioner.

[0003] After searching, the patent (application number: 202221869892.5) discloses "a milk mixer circuit board with heat dissipation function". The device is provided with a circuit board mounting seat, a fan frame, an electric shaft, fan blades, locking bolts, a support column and a circuit board body. The electric shaft can drive the fan blades to rotate, and the fan blades can inhale the cold air outside the milk mixer housing into the inside of the milk mixer housing to dissipate the heat of the circuit board body. During the installation of the circuit board body, the circuit board mounting seat is placed on the upper side of the support column, and the fan frame is placed on the upper side of the circuit board mounting seat. At this time, the locking bolts and the support column are used to install the circuit board mounting seat, which is simple to operate, convenient to assemble, and convenient to maintain.

[0004] However, the protective effect of the device is still insufficient. During use, the spilled water may contact the circuit board and cause a short circuit or even burn out, which poses a safety hazard. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a milk mixer circuit board with a waterproof structure, which overcomes the shortcomings of the prior art and effectively solves the problem that the protection effect of the prior art is still insufficient. During use, the spilled water contacts the circuit board, causing the circuit to short-circuit or even burn out, which brings about a safety hazard.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A milk mixer circuit board with a waterproof structure comprises a milk mixer base, the top of the milk mixer base is connected to a bottom shell, and a top shell is arranged above the bottom shell, a mounting shell is fixed to the bottom of the bottom shell, and a circuit board body is embedded in the top of the mounting shell, spring telescopic rods are fixed to both sides of the bottom of the bottom shell, and connecting components are fixed to the tops of the two spring telescopic rods, the connecting components comprise a fixed block, a fixed frame fixed to the outer wall of one side of the fixed block, a ball head rod plugged into one side of the fixed block, and a telescopic spring sleeved on the rod wall of the ball head rod, air inlet shells are plugged into the tops of both sides of the annular outer wall of the top shell, and connecting blocks distributed at equal distances are fixed to the annular inner wall of the top shell, a mounting ring is arranged in the top shell, and a fan is installed on the annular inner wall of the mounting ring.

[0008] By starting the fan, wind enters the top shell through the air inlet shell and is blown toward the circuit board body below. The set filter can filter the air entering the air inlet shell to prevent dust, thereby reducing dust accumulation in the bottom shell during heat dissipation. The air inlet structure of the top shell and the air inlet shell and the waterproof structure of the bottom shell can prevent water stains from entering the bottom shell, and the drainage holes at the base of the milk mixer also facilitate the discharge of water stains to prevent water accumulation in the base of the milk mixer.

[0009] Preferably, a base interface is provided at the bottom of one side of the outer wall of the milk mixer base, and drainage holes are provided at the bottom of both sides of the outer wall of the milk mixer base.

[0010] Drain the water in the milk mixer base through the drain hole.

[0011] Preferably, mounting blocks are fixed to the bottom of both sides of the annular outer wall of the bottom shell, and the mounting blocks are fixed to the bottom of the milk mixer base by bolts.

[0012] The water stains in the milk mixer base are isolated by the provided bottom shell, and the bottom shell is fixed in the milk mixer base by a mounting block.

[0013] Preferably, the ball head rod and the fixing frame are plugged into each other, and a limiting ring is sleeved and fixed on the rod wall of the ball head rod, and the telescopic spring is located between the limiting ring and the fixing frame.

[0014] Through the elastic expansion and contraction of the expansion spring, the ball head rod is always kept in the plugged state without being affected by external forces.

[0015] Preferably, an opening is formed at one end of the bottom of the air inlet housing, and a filter is fixed at the opening.

[0016] The air entering the air inlet housing can be dust-proof filtered by the provided filter.

[0017] Preferably, a socket is provided on one side outer wall of the connection block, and the socket is plug-fitted with the ball head rod.

[0018] The insertion hole and the ball head rod are plugged into each other, so that the ball head rod and the connecting block are plugged and fixed, thereby completing the connection and fixation between the connecting component and the connecting block.

[0019] Preferably, the outer diameter of the mounting ring is matched with the inner diameter of the top shell, and the outer wall of the mounting ring is provided with grooves distributed at equal distances, and the grooves are plug-fitted with the connecting block.

[0020] The installation ring is inserted into the top shell, inserted along the connecting block through the groove and then rotated so that the bottom of the installation ring abuts against the top of the connecting block, thereby completing the insertion and placement of the installation ring.

[0021] The beneficial effects of the utility model are:

[0022] By starting the fan, wind enters the top shell through the air inlet shell and is blown toward the circuit board body below. The filter net provided can perform dust filtering on the air entering the air inlet shell, thereby reducing dust accumulation in the bottom shell during heat dissipation. The air inlet structure of the top shell and the air inlet shell and the waterproof structure of the bottom shell can prevent water stains from entering the bottom shell, and the drainage holes at the base of the milk mixer are also convenient for the drainage of water stains to prevent water accumulation in the base of the milk mixer, effectively solving the problem that the protection effect in the prior art is still insufficient. During use, the spilled water contacts the circuit board, causing a short circuit or even burning of the circuit, which brings about a safety hazard. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of a circuit board of a milk mixer with a waterproof structure proposed by the utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of the bottom shell of a milk mixer circuit board with a waterproof structure proposed by the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of a connection assembly of a milk mixer circuit board with a waterproof structure proposed by the utility model;

[0026] Figure 4 The utility model is a schematic diagram of the internal structure of the top shell of a milk mixer circuit board with a waterproof structure.

[0027] In the figure: 1. milk mixer base; 2. base interface; 3. drainage hole; 4. bottom shell; 5. top shell; 6. mounting block; 7. mounting shell; 8. circuit board body; 9. spring telescopic rod; 10. connecting assembly; 11. fixing block; 12. fixing bracket; 13. ball head rod; 14. telescopic spring; 15. air inlet shell; 16. filter screen; 17. connecting block; 18. mounting ring; 19. fan. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Example:

[0030] Reference Figure 1-4A milk mixer circuit board with a waterproof structure comprises a milk mixer base 1, a bottom shell 4 is connected to the top of the milk mixer base 1, a top shell 5 is arranged above the bottom shell 4, a mounting shell 7 is fixed to the bottom of the bottom shell 4, a circuit board body 8 is embedded in the top of the mounting shell 7, spring telescopic rods 9 are fixed to both sides of the bottom of the bottom shell 4, and a connecting assembly 10 is fixed to the tops of the two spring telescopic rods 9, the connecting assembly 10 comprises a fixing block 11, a fixing frame 12 fixed to the outer wall of one side of the fixing block 11, a ball head rod 13 plugged into one side of the fixing block 11, and a telescopic spring 14 sleeved on the rod wall of the ball head rod 13, air inlet shells 15 are plugged into the tops of both sides of the annular outer wall of the top shell 5, and connecting blocks 17 distributed at equal distances are fixed to the annular inner wall of the top shell 5, a mounting ring 18 is arranged in the top shell 5, and a fan 19 is installed on the annular inner wall of the mounting ring 18;

[0031] A base interface 2 is provided at the bottom of one side of the outer wall of the milk mixer base 1. Drain holes 3 are provided at the bottom of both sides of the outer wall of the milk mixer base 1. Water in the milk mixer base 1 is discharged outward through the provided drainage holes 3. Mounting blocks 6 are fixed to the bottom of both sides of the annular outer wall of the bottom shell 4. The mounting blocks 6 are fixed to the bottom of the milk mixer base 1 by bolts. The water stains in the milk mixer base 1 are isolated by the bottom shell 4 provided. The bottom shell 4 is fixed in the milk mixer base 1 through the mounting blocks 6. The ball head rod 13 and the fixing frame 12 are plugged into each other, and a limiting ring is fixedly sleeved on the rod wall of the ball head rod 13. The telescopic spring 14 is located between the limiting ring and the fixing frame 12. The ball head rod 13 is always kept in a plugged-in state without being affected by external forces through the elastic expansion and contraction of the telescopic spring 14.

[0032] An opening is provided at one end of the bottom of the air inlet housing 15, and a filter screen 16 is fixed at the opening. The filter screen 16 can be used to filter the air entering the air inlet housing 15 to prevent dust. A socket is provided on the outer wall of one side of the connecting block 17, and the socket is plugged into the ball head rod 13. The socket and the ball head rod 13 are plugged into each other, so that the ball head rod 13 and the connecting block 17 are plugged and fixed, thereby completing the connection and fixation between the connecting component 10 and the connecting block 17. The outer diameter of the mounting ring 18 is matched with the inner diameter specification of the top shell 5. The outer wall of the mounting ring 18 is provided with grooves distributed at equal distances, and the grooves are plugged into the connecting block 17. The mounting ring 18 is inserted into the top shell 5, and is inserted along the connecting block 17 through the grooves and then rotated, so that the bottom of the mounting ring 18 abuts against the top of the connecting block 17, and the insertion and placement of the mounting ring 18 is completed.

[0033] Working principle:

[0034] During operation, by starting the fan 19, wind enters the top shell 5 through the air inlet shell 15 and is blown toward the circuit board body 8 below. The filter 16 provided can perform dust filtering on the air entering the air inlet shell 15, thereby reducing dust accumulation in the bottom shell 4 during heat dissipation. The air inlet structure of the top shell 5 and the air inlet shell 15 and the waterproof structure of the bottom shell 4 can prevent water stains from entering the bottom shell 4, and the drainage hole of the milk mixer base 1 also facilitates the discharge of water stains to prevent water accumulation in the milk mixer base 1.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A milk mixer circuit board with a waterproof structure, comprising a milk mixer base (1), characterized in that: The top of the milk mixer base (1) is connected to a bottom shell (4), and a top shell (5) is arranged above the bottom shell (4). A mounting shell (7) is fixed to the bottom of the bottom shell (4), and a circuit board body (8) is embedded on the top of the mounting shell (7). Spring telescopic rods (9) are fixed to both sides of the bottom of the bottom shell (4), and a connecting assembly (10) is fixed to the top of the two spring telescopic rods (9). The connecting assembly (10) comprises a fixing block (11), a fixing member (11) fixed to the fixing member (11), and a fixing member (11) fixed to the fixing member (11). A fixing frame (12) is provided on the outer wall of one side of the fixing block (11), a ball head rod (13) is inserted into one side of the fixing block (11), and a telescopic spring (14) is sleeved on the rod wall of the ball head rod (13); air inlet shells (15) are inserted into the tops of both sides of the annular outer wall of the top shell (5), and connecting blocks (17) are fixed to the annular inner wall of the top shell (5) at equal distances; a mounting ring (18) is provided inside the top shell (5), and a fan (19) is installed on the annular inner wall of the mounting ring (18).

2. The circuit board of a milk mixer with a waterproof structure according to claim 1, characterized in that: A base interface (2) is provided at the bottom of one side of the outer wall of the milk mixer base (1), and drainage holes (3) are provided at the bottom of both sides of the outer wall of the milk mixer base (1).

3. The circuit board of a milk mixer with a waterproof structure according to claim 1, characterized in that: Mounting blocks (6) are fixed to the bottoms of both sides of the annular outer wall of the bottom shell (4), and the mounting blocks (6) are fixed to the bottom of the milk mixer base (1) by bolts.

4. The circuit board of a milk mixer with a waterproof structure according to claim 1, characterized in that: The ball head rod (13) and the fixing frame (12) are plugged into each other, and a limiting ring is sleeved and fixed on the rod wall of the ball head rod (13), and the telescopic spring (14) is located between the limiting ring and the fixing frame (12).

5. The circuit board of a milk mixer with a waterproof structure according to claim 1, characterized in that: An opening is formed at one end of the bottom of the air inlet housing (15), and a filter screen (16) is fixed at the opening.

6. The circuit board of a milk mixer with a waterproof structure according to claim 1, characterized in that: A plug hole is provided on one side outer wall of the connection block (17), and the plug hole is plug-fitted with the ball head rod (13).

7. The circuit board of a milk mixer with a waterproof structure according to claim 1, characterized in that: The outer diameter of the mounting ring (18) is matched with the inner diameter of the top shell (5), and the outer wall of the mounting ring (18) is provided with grooves distributed at equal distances, and the grooves are plug-fitted with the connecting block (17).

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