Air conditioner power supply box capable of fixing vertical circuit board

Abstract

The utility model provides an air conditioner power supply box capable of fixing a vertical circuit board, which comprises a circuit board mounting part, a terminal block fixing part and a rotary fixing piece, the circuit board mounting part is arranged on one side of the terminal block fixing part and comprises a first side wall and a second side wall which are oppositely arranged, the top of the first side wall is provided with a first rotary structure, and the top of the second side wall is provided with a second rotary structure. A second rotating structure is arranged on one side of the rotating fixing piece and rotationally connected with the first rotating structure, a first locking structure is arranged on the top of the second side wall, and a second locking structure locked with the first locking structure is arranged on the other side of the rotating fixing piece. A first fixing structure used for fixing the top of the circuit board is further arranged on the rotary fixing piece, and a second fixing structure used for fixing the bottom of the circuit board is arranged at the bottom of the containing cavity. According to the air conditioner power supply box capable of fixing the vertical circuit board, maintenance can be carried out only by unlocking the rotary fixing piece and then rotating the rotary fixing piece, and the convenience of workers during high-place operation is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air conditioner, especially to a kind of air conditioner power box of vertical circuit board can be fixed. BACKGROUND

[0002] In the air conditioner power box, the circuit board is generally inserted vertically in the power box, and the top is fixed inside the power box by a detachable fixing device. The existing fixing device is generally clamped on the power box by a bayonet, and when the circuit board needs to be repaired, the fixing device can be removed for repair. However, the air conditioner power box is usually located at a high place, and the staff needs to find another place to put the removed fixing device before repairing, which brings great inconvenience to the staff working at a high place. SUMMARY

[0003] The purpose of the present application is to solve the above problems and provide an air conditioner power box with a vertical circuit board that can be fixed. The technical problem of inconvenient repair of the circuit board of the air conditioner power box is solved.

[0004] To achieve the above purpose, the present application provides an air conditioner power box with a vertical circuit board that can be fixed, which comprises a circuit board mounting portion, a terminal block fixing portion and a rotating fixing member. The circuit board mounting portion is provided on one side of the terminal block fixing portion. The circuit board mounting portion is provided with a receiving cavity with a top opening. The receiving cavity comprises a first side wall and a second side wall arranged opposite to each other. The top of the first side wall is provided with a first rotating structure. One side of the rotating fixing member is provided with a second rotating structure. The second rotating structure is rotationally connected with the first rotating structure. The top of the second side wall is provided with a first locking structure. The other side of the rotating fixing member is provided with a second locking structure that is locked with the first locking structure. The bottom of the receiving cavity is provided with a first fixing structure for fixing the bottom of the circuit board. The rotating fixing member is further provided with a second fixing structure for fixing the top of the circuit board.

[0005] Compared with the prior art, the air conditioner power box with a vertical circuit board that can be fixed of the utility model has one end of the rotating fixing member rotationally connected with the circuit board mounting portion and the other end locked with the circuit board mounting portion. When repairing, only the rotating fixing member needs to be unlocked, and then rotated to a specific position for repair. The whole rotating fixing member does not need to be removed, the structure is simple, the operation is convenient, and the convenience of staff working at a high place is improved.

[0006] In one embodiment, the first rotating structure comprises a plurality of arc-shaped portions protruding from the first sidewall, the axes of the arc-shaped portions are in the same line and parallel to the first sidewall and the bottom of the accommodating cavity, the inner wall surface of the arc-shaped portions is arc-shaped surface, the arc-shaped surface forms a clamping groove around the axis thereof, and the second rotating structure comprises a rotating shaft arranged at the edge of the rotating fixing member and extending along the length direction of the accommodating cavity, the rotating shaft is clamped in the clamping groove. By clamping the rotating shaft in the clamping groove, the rotating of the rotating fixing member on the sidewall of the circuit board mounting portion is realized.

[0007] In one embodiment, the arc-shaped portions comprise a first arc-shaped portion, a second arc-shaped portion and a third arc-shaped portion arranged in sequence and at intervals, the first arc-shaped portion and the third arc-shaped portion are arranged above the second arc-shaped portion, the arc-shaped surface of the first arc-shaped portion and the third arc-shaped portion faces the bottom of the accommodating cavity, the arc-shaped surface of the second arc-shaped portion faces the top of the accommodating cavity, the first arc-shaped portion, the second arc-shaped portion and the third arc-shaped portion form a C-shaped clamping groove for clamping the rotating shaft. The C-shaped clamping groove facilitates the clamping of the rotating shaft and improves the assembly efficiency.

[0008] In one embodiment, two first limiting portions protrude from the sidewall of the rotating shaft, and the first limiting portions are respectively arranged on the two sides of the second arc-shaped portion. The first limiting portions are used for limiting the axial movement of the rotating shaft, so that the rotation of the rotating fixing member is more accurate and stable.

[0009] In one embodiment, the end of the second arc-shaped portion extends a circuit isolation portion in the direction close to the bottom of the accommodating cavity. The circuit isolation portion can isolate the circuit of the circuit board and prevent the circuit from being wound on the rotating shaft to affect the rotation.

[0010] In one embodiment, the opening width of the clamping groove is smaller than the diameter of the rotating shaft. The rotating shaft is prevented from being separated from the opening of the clamping groove.

[0011] In one embodiment, the first fixing structure comprises a first strip-shaped groove, the second fixing structure comprises a second strip-shaped groove, and the first strip-shaped groove and the second strip-shaped groove extend along the length direction of the accommodating cavity. The circuit board is limited by the first strip-shaped groove and the second strip-shaped groove, so that the mounting process of the circuit board is more convenient.

[0012] In one embodiment, the accommodating cavity further comprises a third side wall and a fourth side wall oppositely arranged, the third side wall and the fourth side wall are connected to the first side wall and the second side wall respectively, the first side wall, the second side wall, the third side wall, the fourth side wall and the circuit board mounting portion bottom enclose the accommodating cavity; the third side wall and the fourth side wall are respectively provided with a third slot and a fourth slot oppositely arranged, the third slot and the fourth slot extend along the height direction of the accommodating cavity, the first slot, the third slot and the fourth slot form a U-shaped insertion slot for the circuit board. The U-shaped insertion slot provides good stability and support force, ensuring that the circuit board will not loosen or shift after being fixed.

[0013] In one embodiment, the first locking structure comprises a first clamping portion, the first clamping portion protrudes from the second side wall, the second locking structure comprises a second clamping portion, the second clamping portion protrudes from the bottom of the rotating fixing member, the second clamping portion is provided with a bayonet, and the first clamping portion is clamped in the bayonet. By clamping the first clamping portion and the bayonet, the rotating fixing member is conveniently locked on the circuit board mounting portion.

[0014] In one embodiment, the top of the second side wall is provided with a handle portion, and the handle portion is located above the first clamping portion. This facilitates the opening of the rotating fixing member by the staff.

[0015] In order to better understand and implement, the following will be described in detail in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure diagram of the air conditioner power supply box with a fixed vertical circuit board in one embodiment of the present application;

[0017] Figure 2 The structure diagram of the circuit board mounting portion and the terminal table fixing portion in one embodiment of the present application;

[0018] Figure 3 The structure diagram of the circuit board mounting portion and the terminal table fixing portion in one embodiment of the present application from another perspective;

[0019] Figure 4 The structure diagram of the rotating fixing member in one embodiment of the present application;

[0020] Figure 5 The structure diagram of the circuit board mounting portion and the terminal table fixing portion in one embodiment of the present application; Figure 2 The enlarged view of A in the above figure;

[0021] Figure 6 The structure diagram of the circuit board mounting portion and the terminal table fixing portion in one embodiment of the present application;

[0022] Figure 7 Another view of the structure of the rotating fixing member in one embodiment of the present application;

[0023] Figure 8 Another view of the structure of the rotating fixing member in one embodiment of the present application; Figure 3 An enlarged view of B in FIG. 1;

[0024] Figure 9 Another view of the structure of the rotating fixing member in one embodiment of the present application;

[0025] Reference signs in the drawings:

[0026] 1-circuit board mounting portion, 2-terminal table fixing portion, 3-rotating fixing member, 11-housing cavity, 12-first rotating structure, 13-first locking structure, 14-first fixing structure, 15-clamping groove, 16-third slot, 17-fourth slot, 18-handle portion, 31-second rotating structure, 32-second locking structure, 33-second fixing structure, 34-emergency button, 100-circuit board, 111-first side wall, 112-second side wall, 113-third side wall, 114-fourth side wall, 121-first arc-shaped portion, 122-second arc-shaped portion, 123-third arc-shaped portion, 124-circuit isolation portion, 131-first clamping portion, 132-second limiting portion, 141-first slot, 311-rotation shaft, 321-second clamping portion, 322-bayonet, 331-second slot, 1311-first guide inclined surface, 3111-first limiting portion, 3211-second guide inclined surface. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application. It can be understood that the drawings are provided only for reference and illustration, and are not used to limit the present application. The connection relationship shown in the drawings is only for clear description, and does not limit the connection mode.

[0028] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component, or a middle component can exist at the same time. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. It should also be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected, or it can be the communication between two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The terms used in the description of the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the present application.

[0029] It should also be noted that in the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] Please refer to Figures 1 to 4 The embodiment provides an air conditioner power box capable of fixing a vertical circuit board. Specifically, the air conditioner power box comprises a circuit board mounting portion 1, a terminal table fixing portion 2 and a rotating fixing piece 3. The circuit board mounting portion 1 is arranged on one side of the terminal table fixing portion 2. The circuit board mounting portion 1 is provided with a receiving cavity 11 with an open top. The receiving cavity 11 comprises a first side wall 111 and a second side wall 112 arranged oppositely. The top of the first side wall 111 is provided with a first rotating structure 12. One side of the rotating fixing piece 3 is provided with a second rotating structure 31. The second rotating structure 31 is rotationally connected with the first rotating structure 12. The top of the second side wall 112 is provided with a first locking structure 13. The other side of the rotating fixing piece 3 is provided with a second locking structure 32 which is locked with the first locking structure 13. The bottom of the receiving cavity 11 is provided with a first fixing structure 14 for fixing the bottom of the circuit board 100. The rotating fixing piece 3 is further provided with a second fixing structure 33 for fixing the top of the circuit board 100.

[0031] The terminal base fixing part 2 and the circuit board mounting part 1 are integrally formed, which facilitates assembly and improves the structural strength of the power box. In another embodiment, the terminal base fixing part 2 and the circuit board mounting part 1 can also be detachably connected. Specifically, the bottom end of the terminal base fixing part 2 is connected to the top end of the circuit board mounting part 1, and the first side wall 111 is located on the side close to the terminal base fixing part 2. When the rotating fixing part 3 is unlocked, the side wall of the terminal base fixing part 2 can provide support for the rotating fixing part 3. In another embodiment, the first side wall 111 can also be located on the side away from the terminal base fixing part 2.

[0032] The first rotating structure 12 includes a plurality of arc-shaped parts protruding from the first side wall 111, the axes of the arc-shaped parts are in the same straight line and parallel to the first side wall 111 and the bottom of the accommodation cavity 11, the inner wall surface of the arc-shaped part is an arc surface, the arc surface forms a clamping groove 15 around its axis, and the second rotating structure 31 includes a rotating shaft 311 provided at the edge of the rotating fixing part 3 and extending along the length direction of the accommodation cavity 11, and the rotating shaft 311 is clamped in the clamping groove 15. By clamping the rotating shaft 311 in the clamping groove 15, the rotating fixing part 3 is rotated on the side wall of the circuit board mounting part 1.

[0033] Please refer to Figures 5 to 6 The arc-shaped part includes a first arc-shaped part 121, a second arc-shaped part 122 and a third arc-shaped part 123 arranged in sequence and spaced apart, the first arc-shaped part 121 and the third arc-shaped part 123 are arranged above the second arc-shaped part 122, the arc surfaces of the first arc-shaped part 121 and the third arc-shaped part 123 face the bottom of the accommodation cavity 11, the arc surface of the second arc-shaped part 122 faces the top of the accommodation cavity 11, the first arc-shaped part 121, the second arc-shaped part 122 and the third arc-shaped part 123 form the C-shaped clamping groove 15, and the rotating shaft 311 is clamped therein. The C-shaped clamping groove 15 not only has a compact structure, but also can easily clamp the rotating shaft 311 in the clamping groove 15 during installation without complex operations or tools. At the same time, when the rotating fixing part 3 needs to be maintained or replaced, it can also be easily taken out of the clamping groove 15, improving the maintainability of the product. In another embodiment, the number of arc-shaped parts can also be two, four or other numbers.

[0034] The opening width of the clamping groove 15 is smaller than the diameter of the rotating shaft 311, preventing the rotating shaft 311 from escaping from the opening of the clamping groove 15. The arc-shaped part is made of elastic material, and the rotating shaft 311 is clamped in the clamping groove 15 by interference fit with the opening of the clamping groove 15. Specifically, the opening of the clamping groove 15 is provided with a guide slope, facilitating the clamping of the rotating shaft 311 along the guide slope and the clamping groove 15.

[0035] For further reference, Figure 7 The side wall of the rotating shaft 311 protrudes two first limiting parts 3111, which are respectively located on both sides of the second arc-shaped part 122. The first limiting part 3111 is used to limit the axial movement of the rotating shaft 311, making the rotation of the rotating fixing part 3 more accurate and stable. Preferably, the first limiting part 3111 is respectively arranged at the gap between the first arc-shaped part 121 and the second arc-shaped part 122, and the gap between the second arc-shaped part 122 and the third arc-shaped part 123, avoiding the interference of the first limiting part 3111 with the first arc-shaped part 121 and the third arc-shaped part 123 during rotation. In another embodiment, the first limiting part 3111 can also be respectively arranged on the side of the first arc-shaped part 121 away from the second arc-shaped part 122, and on the side of the third arc-shaped part 123 away from the second arc-shaped part 122; or, on both sides of the first arc-shaped part 121; or, on both sides of the third arc-shaped part 123.

[0036] The end of the second arc-shaped part 122 extends a circuit isolation part 124 in the direction close to the bottom of the accommodating cavity 11. The circuit isolation part 124 can isolate the circuit of the circuit board 100, preventing the circuit from winding around the rotating shaft 311 and affecting the rotation.

[0037] For further reference, Figure 8The first locking structure 13 comprises a first clamping portion 131 protruding from the second side wall 112, and the second locking structure 32 comprises a second clamping portion 321 protruding from the bottom of the rotating fixing piece 3, and the second clamping portion 321 is provided with a clamping hole 322, and the first clamping portion 131 is clamped in the clamping hole 322. Through the clamping of the first clamping portion 131 and the clamping hole 322, the rotating fixing piece 3 is conveniently locked on the circuit board mounting portion 1. Specifically, the clamping hole 322 is a U-shaped clamping hole 322 penetrating the top end of the second clamping portion 321, which leaves a gap to facilitate the worker to insert his fingers to exert force to disassemble while not affecting the clamping effect. The first locking structure 13 further comprises a second limiting portion 132 protruding from the second side wall 112, and the second limiting portion 132 is arranged on both sides of the first clamping portion 131, and the second clamping portion 321 is located between the second limiting portion 132 and the first clamping portion 131. The second limiting portion 132 facilitates the accurate clamping of the clamping hole 322 on the first clamping portion 131, and also limits the shaking of the second clamping portion 321. The top end of the first clamping portion 131 is provided with a first guide inclined surface 1311, and the top of the second clamping portion 321 is provided with a second guide inclined surface 3211 matched with the first guide inclined surface 1311, which facilitates the clamping of the first clamping portion 131 and the clamping hole 322. In another embodiment, the first locking structure 13 can also be a clamping hole, and the second locking structure 32 is a clamping portion protruding from one side of the rotating fixing piece 3 along the width direction of the accommodating cavity 11. In another embodiment, the first locking structure 13 and the second locking structure 32 can also be a screw connection structure or other locking structure.

[0038] Please refer to Figure 9 The first fixing structure 14 comprises a first strip-shaped groove 141, and the second fixing structure 33 comprises a second strip-shaped groove 331, and the first strip-shaped groove 141 and the second strip-shaped groove 331 extend along the length direction of the accommodating cavity 11. Through the limiting of the first strip-shaped groove 141 and the second strip-shaped groove 331, the installation process of the circuit board 100 is more convenient. Further, the first strip-shaped groove 141 and the second strip-shaped groove 331 are provided with guide portions to facilitate the insertion with the circuit board 100.

[0039] The accommodating cavity 11 further comprises a third side wall 113 and a fourth side wall 114 oppositely arranged, the third side wall 113 and the fourth side wall 114 are connected with the first side wall 111 and the second side wall 112 respectively, and the first side wall 111, the second side wall 112, the third side wall 113, the fourth side wall 114 and the bottom of the circuit board mounting part 1 enclose the accommodating cavity 11; the third side wall 113 and the fourth side wall 114 are respectively provided with a third slot 16 and a fourth slot 17 oppositely arranged, the third slot 16 and the fourth slot 17 extend along the height direction of the accommodating cavity 11, and the first slot 141, the third slot 16 and the fourth slot 17 form a U-shaped insertion slot for inserting the circuit board 100. The U-shaped insertion slot provides good stability and support, ensures that the circuit board 100 will not be loose or displaced after being fixed, and helps to reduce circuit failure or damage caused by vibration or movement of the circuit board 100.

[0040] The top of the second side wall 112 is provided with a handle part 18 above the first clamping part 131. When the rotating fixing part 3 is unlocked, the staff can hold the handle part 18 and apply force along the width direction of the accommodating cavity 11 to deform the second side wall 112, the first clamping part 131 is separated from the socket 322, and then the rotating fixing part 3 is rotated to be unlocked, which is simple and fast, and is beneficial to the staff's high-altitude operation. Specifically, the handle part 18 extends upward from the top edge of the second side wall 112, fully utilizes the vertical space, and makes the structure of the circuit board mounting part 1 more compact. In another embodiment, the handle part 18 can also extend away from the second side wall 112 from the top edge of the second side wall 112.

[0041] The rotating fixing part 3 is further provided with an emergency button 34, and the air conditioner can be started and stopped by pressing the emergency button 34, which is convenient for the staff to start and stop the air conditioner in real time during maintenance to observe the maintenance situation.

[0042] The above specific examples further illustrate the purpose, technical solutions and beneficial effects of the present application. It should be understood that the above description is only a specific embodiment of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An air conditioner power supply box for fixing a vertically mounted circuit board, characterized in that: The utility model provides a circuit board mounting part, terminal table fixed part and rotation fixed spare, the circuit board mounting part is located one side of the terminal table fixed part, the circuit board mounting part is equipped with the accommodation cavity of top opening, the accommodation cavity includes first side wall and second side wall opposite, the top of first side wall is equipped with first rotation structure, one side of rotation fixed spare is equipped with second rotation structure, second rotation structure and first rotation structure rotation connection, the top of second side wall is equipped with first locking structure, the other side of rotation fixed spare is equipped with the second locking structure of first locking structure locking, the bottom of accommodation cavity is equipped with first fixed structure for fixing circuit board bottom, rotation fixed spare still is equipped with second fixed structure for fixing circuit board top.

2. The air conditioner power pack with a securable standing circuit board according to claim 1, wherein: The first rotation structure includes a plurality of arc-shaped portions protruding from the first side wall, the axes of the arc-shaped portions are on the same straight line and parallel to the first side wall and the bottom of the accommodation cavity, the inner wall surface of the arc-shaped portions is arc-shaped, the arc-shaped surface forms a clamping groove around its axis, and the second rotation structure includes a rotating shaft, the rotating shaft is arranged at the edge of the rotation fixed part and extends along the length direction of the accommodation cavity, and the rotating shaft is clamped in the clamping groove.

3. The air conditioner power pack with securable upright circuit board of claim 2, wherein: The arc-shaped portions include a first arc-shaped portion, a second arc-shaped portion and a third arc-shaped portion arranged in sequence and spaced apart, the first arc-shaped portion and the third arc-shaped portion are arranged above the second arc-shaped portion, the arc-shaped surfaces of the first arc-shaped portion and the third arc-shaped portion face the bottom of the accommodation cavity, the arc-shaped surface of the second arc-shaped portion faces the top of the accommodation cavity, the first arc-shaped portion, the second arc-shaped portion and the third arc-shaped portion form a C-shaped clamping groove clamped with the rotating shaft.

4. The air conditioner power pack with securable upright circuit board of claim 3, wherein: Two first limiting portions protrude from the side wall of the rotating shaft, and the first limiting portions are respectively located on the two sides of the second arc-shaped portion.

5. The settable upright circuit board of the air conditioner power supply box according to claim 3, characterized in that: The end of the second arc-shaped portion extends a circuit isolation portion in the direction close to the bottom of the accommodation cavity.

6. The settable upright circuit board of the air conditioner power supply box according to claim 3, characterized in that: The opening width of the clamping groove is smaller than the diameter of the rotating shaft.

7. The air conditioner power pack with securable upright circuit board according to any one of claims 1-6, wherein: The first fixed structure includes a first strip-shaped groove, the second fixed structure includes a second strip-shaped groove, and the first strip-shaped groove and the second strip-shaped groove extend along the length direction of the accommodation cavity.

8. The settable upright circuit board of the air conditioner power supply box according to claim 7, characterized in that: The accommodation cavity further includes a third side wall and a fourth side wall arranged opposite to each other, the third side wall and the fourth side wall are connected to the first side wall and the second side wall respectively, and the first side wall, the second side wall, the third side wall, the fourth side wall and the bottom of the circuit board mounting part enclose the accommodation cavity. The third side wall and the fourth side wall are respectively provided with a third strip-shaped groove and a fourth strip-shaped groove arranged opposite to each other, the third strip-shaped groove and the fourth strip-shaped groove extend along the height direction of the accommodation cavity, and the first strip-shaped groove, the third strip-shaped groove and the fourth strip-shaped groove form a U-shaped plug-in groove for plugging in the circuit board.

9. The air conditioner power pack with securable upright circuit board according to any one of claims 1-6, wherein: The first locking structure comprises a first clamping part protruding from the second side wall, and the second locking structure comprises a second clamping part protruding from the bottom of the rotation fixing part, and a socket is arranged on the second clamping part, and the first clamping part is clamped in the socket.

10. The settable upright circuit board of the air conditioner power supply box according to claim 9, characterized in that: A handle part is arranged on the top of the second side wall and located above the first clamping part.

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