Power line sealing structure of power supply box and air conditioner

Abstract

The utility model relates to a power source box power line sealing structure and an air conditioner. A power source box comprises a power source box body and a power source box cover. The edge of the top of the power supply box body is sunken downwards to form a power supply through hole, the side wall of the power supply box body is provided with an inserting groove below the power supply through hole, the sealing structure comprises a rubber sealing piece, the rubber sealing piece comprises an inserting part and a power supply sleeve, the power supply sleeve is arranged on the inserting part in a penetrating mode, and the two ends of the power supply sleeve stretch out of the inserting part in the axial direction. The plugging part is plugged in the plugging groove in a matched mode, the power supply box cover is arranged on the plugging part in an attached and covering mode, the end, extending into the power supply box body, of the power supply sleeve abuts against the power supply through hole in an attached mode, and the inner diameter of a port of the end, extending into the power supply box body, of the power supply sleeve is smaller than the outer diameter of the power line. According to the power line sealing structure of the power supply box, external air is difficult to enter the power supply box from the power supply through hole, and the sealing effect of the power supply box is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner technical field especially is a kind of power box power cord sealing structure and air conditioner. BACKGROUND

[0002] The power supply device of electric equipment such as air conditioner, generally needs to configure power box body and power box cover, power box cover and power box body are generally connected and fixed between the two by screw device. Common power supply device is generally directly opened on power box body, to facilitate the threading of power cord, but using this open type open structure, external gas is easy to enter into power box body, so that the sealing effect of power box is poor. UTILITY MODEL CONTENTS

[0003] Therefore, the utility model discloses a kind of power box power cord sealing structure and air conditioner, external gas is difficult to enter into power box from power supply through-hole, effectively improve the sealing effect of power box according to the power box power cord sealing structure and air conditioner of the utility model embodiment.

[0004] In order to achieve the above-mentioned purpose, the utility model embodiment first aspect provides a kind of power box power cord sealing structure, the power box includes power box body, power box cover, the detachable sealing cover of power box cover is established on the power box body;The top edge of the power box body is concave and forms power supply through-hole downwards, the sidewall of the power box body is located below the power supply through-hole and is provided with plug-in slot, the sealing structure includes rubber sealing element, the rubber sealing element includes plug-in part, power sleeve, the power sleeve is threaded on the plug-in part, and the both ends of the power sleeve respectively extend the plug-in part along axial direction, the plug-in part is cooperated and is inserted in the plug-in slot, and the plug-in part is established on the plug-in part by the power box cover, the end of the power sleeve that extends into the power box body is attached and is abutted on the power supply through-hole, and the port inner diameter of the end of the power sleeve that extends into the power box is less than the outer diameter of power cord.

[0005] Thus, the power box power cord sealing structure according to the embodiment of the utility model, through the downward recess of the top edge of the power box body forms the power through hole, and the side wall of the power box body is provided with the plug-in slot, so as to facilitate the rubber sealing piece cooperation sealing plug-in on the plug-in slot, and the plug-in part of the rubber sealing piece is pressed tightly through the power box cover, the one end of the power sleeve that extends into the power box body is abutted in the power through hole, so that the sealing property of the power through hole is greatly improved, and the external gas is effectively prevented from entering the inside of the power box body, and the port inner diameter of the one end of the power sleeve that extends into the inside of the power box body is designed to be less than the outer diameter of the power cord, so that the power cord can form interference fit with the port of the power sleeve that extends into the inside of the power box body when passing through the power sleeve, and the sealing property of the power sleeve is further improved, that is to say, the embodiment of the utility model is sealed by the rubber sealing piece, the power box body, the power box cover and the power cord, which can not only facilitate the wiring of the power cord, but also improve the sealing effect of the power through hole of the power box.

[0006] As an implementation form, the plug-in slot is a slot structure with an open upper end, a guide plug is arranged in the middle of the plug-in slot, and the guide plug divides the plug-in slot into two chambers; an avoiding opening that matches the guide plug is arranged in the bottom of the plug-in part, and the parts on both sides of the avoiding opening of the plug-in part are inserted into the two chambers of the plug-in slot respectively.

[0007] As an implementation form, the power box cover is provided with a pressing part above the plug-in slot, and the pressing part is tightly pressed on the outer sidewall of the plug-in part.

[0008] As an implementation form, the plug-in part is a square block structure, the pressing part is a reverse U-shaped structure, and the pressing part is tightly pressed on the top of the plug-in part and the upper end parts on both sides of the plug-in part.

[0009] As an implementation form, the plug-in part and the power sleeve are an integral forming structure, the one end of the power sleeve that extends into the inside of the power box body is a necked structure, and the inner diameter of the port of the one end of the power sleeve that extends into the inside of the power box body is the smallest.

[0010] As an implementation form, the port of the one end of the power sleeve that extends out of the power box body in the axial direction is an expanded structure.

[0011] As an implementation form, the power through hole is an arc-shaped through hole, and the peripheral wall of the arc-shaped through hole is connected with the outer sidewall of the one end of the power sleeve that extends into the inside of the power box body.

[0012] As an implementation form, a first stud with an upper end opening is arranged on the outer side of the power box body, a second stud coaxially matched with the first stud is arranged on the power box cover, the second stud is a structure with both ends open, and the second stud is detachably fixed on the first stud through a screw rod.

[0013] The utility model embodiment second aspect provides a kind of air conditioner, it includes the power box power cord sealing structure described in any one embodiment above.According to the air conditioner of the utility model embodiment, external gas is difficult to enter into power box from power supply through hole, effectively improve the sealing effect of power box.

[0014] For better understanding and implementation, the utility model is described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural diagram of the power box power cord sealing structure of the utility model embodiment;

[0016] Figure 2 It is Figure 1 It is the enlarged diagram of A part shown in figure 2;

[0017] Figure 3 It is the exploded schematic view of the power box power cord sealing structure of the utility model embodiment;

[0018] Figure 4 It is the connection schematic view of the power box body and rubber sealing element of the utility model embodiment;

[0019] Figure 5 It is the exploded schematic view of the power box body and rubber sealing element of the utility model embodiment;

[0020] Figure 6 It is Figure 5 It is the enlarged diagram of B part shown in figure 3;

[0021] Figure 7 It is the structural diagram of the rubber sealing element of the utility model embodiment.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 10, power box body;11, power supply through hole;12, plug-in slot;13, guide plug;14, first stud;20, power box cover;21, compression part;22, second stud;30, rubber sealing element;31, plug-in part;32, power sleeve;33, avoiding mouth;34, flared structure. DETAILED DESCRIPTION

[0024] To further illustrate the embodiments, the utility model provides has the drawing. These drawings are part of the utility model disclosure, which is mainly used to illustrate the embodiments, and can be combined with the related description of the specification to explain the operating principle of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementations and the advantages of the utility model.

[0025] In the related art, the power supply device of the electric equipment such as air conditioner generally needs to be configured with power box body and power box cover, and the power box cover and the power box body are generally connected and fixed between them through screw device. The common power supply device generally opens directly on the power box body to facilitate the threading of the power cord; but using this open type opening structure, external gas is easy to enter into the power box body, so that the sealing effect of the power box is poor.

[0026] Therefore, the utility model embodiment provides a kind of power box power cord sealing structure and air conditioner, according to the power box power cord sealing structure and air conditioner of the utility model embodiment, external gas is difficult to enter into power box from power through-hole, effectively improve the sealing effect of power box.

[0027] Please refer to Figures 1 to 7 ; the utility model embodiment first aspect provides a kind of power box power cord sealing structure, the power box includes power box body 10, power box cover 20, the detachable sealing cover of power box cover 20 is arranged on power box body 10;The top edge of power box body 10 is formed power through-hole 11 by being concave downwards, the sidewall of power box body 10 is provided with plug-in slot 12 below power through-hole 11, the sealing structure includes rubber sealing element 30, the rubber sealing element 30 includes plug-in part 31, power sleeve 32, power sleeve 32 is threaded on plug-in part 31, and the two ends of power sleeve 32 respectively extend the plug-in part 31 along axial direction, plug-in part 31 is cooperated and is inserted in plug-in slot 12, and power box cover 20 is attached and covers plug-in part 31, the end of power sleeve 32 that extends into power box body 10 is attached and is abutted on power through-hole 11, and the port inner diameter of the end of power sleeve 32 that extends into power box body 10 is less than the outer diameter of power cord.

[0028] Wherein, the plug-in part 31 of the utility model embodiment and the power sleeve 32 are integrally formed structure, the end of power sleeve 32 that extends into power box body 10 is the structure of necking, and the inner diameter of the port of the end of power sleeve 32 that extends into power box body 10 is minimum. In addition, the power through-hole 11 is arc-shaped through-hole, and the circumferential wall of the arc-shaped through-hole is attached and connected with the outer side wall of the end of power sleeve 32 that extends into power box body 10.

[0029] Thus, the power box power cord sealing structure according to the embodiment of the utility model, through the downward recess of the top edge of the power box body 10 forms the power through hole 11, and the side wall of the power box body 10 is provided with the plug-in slot 12, so as to facilitate the rubber sealing element 30 to be sealed and plugged in the plug-in slot 12, and the plug-in part 31 of the rubber sealing element 30 is pressed tightly by the power box cover 20, one end of the power sleeve 32 that extends into the power box body 10 abuts in the power through hole 11, so that the sealing property of the power through hole 11 is greatly improved, and the external gas is effectively prevented from entering the inside of the power box body 10, and the port inner diameter of the one end of the power sleeve 32 that extends into the inside of the power box body 10 is designed to be less than the outer diameter of the power cord, so that the power cord can be in interference fit with the port of the power sleeve 32 that extends into the inside of the power box body 10 when the power cord passes through the power sleeve 32, further improving the sealing property of the power sleeve 32, that is, the embodiment of the utility model improves the sealing effect of the power through hole 11 of the power box by the sealing cooperation of the rubber sealing element 30, the power box body 10, the power box cover 20 and the power cord, which facilitates the wiring of the power cord and improves the sealing effect of the power through hole 11 of the power box.

[0030] Specifically, in the embodiment of the utility model, the plug-in slot 12 is a slot structure with an open upper end, a guide plug 13 is arranged in the middle of the plug-in slot 12, and the plug-in slot 12 is divided into two chambers by the guide plug 13; an avoiding opening 33 that is matched with the guide plug 13 is arranged in the bottom of the plug-in part 31, and the portions of the plug-in part 31 on both sides of the avoiding opening 33 are inserted into the two chambers of the plug-in slot 12 respectively. In addition, the power box cover 20 arranged above the plug-in slot 12 is provided with a pressing part 21, and the pressing part 21 is tightly pressed on the outer sidewall of the plug-in part 31; wherein the plug-in part 31 is a square block structure, the pressing part 21 is a reverse U-shaped structure, and the pressing part 21 is tightly pressed on the top of the plug-in part 31 and the upper end portions on both sides thereof. It can be understood that the plug-in part 31 of the embodiment of the utility model is an installation structure of the rubber sealing element 30, which is fixed in the plug-in slot 12 of the power box body 10 by plugging, and is fixed by the pressing part 21 of the power box cover 20, and the plug-in part 31 can shield the power through hole 11 to prevent external gas from entering the inside of the power box body 10; at the same time, the abutment between the power sleeve 32 and the power through hole 11 makes the connection between the power sleeve 32 and the power through hole 11 more close, further improving the sealing property of the power through hole 11.

[0031] In order to facilitate the threading of the power cord, in the embodiment of the utility model, the port of the power sleeve 32 extending out of one end of the power box body 10 in the axial direction is a flared structure 34. It can be understood that the power cord is inserted from the flared structure 34 of the power sleeve 32 and threaded out from the other end of the power sleeve 32. By utilizing the characteristic that the inner diameter of the port of the power sleeve 32 is smaller than the outer diameter of the power cord and the elasticity of the rubber sealing element 30 itself, when the power cord is threaded through the power sleeve 32 and extends into the interior of the power box body 10, the power cord and the inner wall of the port of the power sleeve 32 form an interference fit, so as to prevent external gas from entering the power box body 10 from the power sleeve 32.

[0032] In addition, the first stud 14 with an open upper end is arranged on the outer side of the power box body 10 in the embodiment of the utility model, the second stud 22 coaxially matched with the first stud 14 is arranged on the power box cover 20, the second stud 22 is of an open structure at both ends, and the second stud 22 is detachably fixed on the first stud 14 through a screw rod. The number of the first stud 14 and the second stud 22 can be two sets, so that the connection between the power box body 10 and the power box cover 20 is more firm and reliable.

[0033] That is to say, when the utility model embodiment is applied to an air conditioner, since the air conditioner adopts flammable and explosive refrigerants such as R290, the power box has the risk of flammable gas entering the interior. The embodiment of the utility model increases the rubber sealing element 30 at the power through hole 11 of the power box body 10 and cooperates with the power box cover 20 for sealing, so that the power through hole 11 of the power box has good sealing performance on the basis of not affecting the threading of the power cord, and it is ensured that gaseous refrigerant is also difficult to enter the interior of the power box when the refrigerant leaks, effectively ensuring the safety performance of the power box.

[0034] The utility model embodiment provides an air conditioner in the second aspect, it includes the power cord sealing structure of power box of any one embodiment above. According to the air conditioner of the utility model embodiment, external gas is difficult to enter the power box from the power through hole 11, effectively improves the sealing effect of the power box.

[0035] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not 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 a limitation on the utility model.

[0036] The above-described embodiments only express several implementation manners of the power supply box power cord sealing structure and the air conditioner of the present application, and the description is relatively specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims

1. A power cord sealing structure of a power box, characterized in that: the power box comprises a power box body and a power box cover, the power box cover is detachably sealed on the power box body; a top edge of the power box body is recessed downward to form a power hole, a side wall of the power box body is provided with a plug-in groove below the power hole, the sealing structure comprises a rubber sealing element, the rubber sealing element comprises a plug-in part and a power sleeve, the power sleeve is arranged on the plug-in part, and two ends of the power sleeve respectively extend out of the plug-in part along an axial direction, the plug-in part is fitted in the plug-in groove, the power box cover is tightly arranged on the plug-in part, one end of the power sleeve extending into the power box body is tightly abutted on the power hole, and a port of the end of the power sleeve extending into the power box body has an inner diameter smaller than an outer diameter of the power cord.

2. The power cord sealing structure of the power box according to claim 1, characterized in that: the plug-in groove is a groove structure with an open upper end, a guide plug is arranged in a middle part of the plug-in groove, and the guide plug divides the plug-in groove into two cavities; an avoidance opening is arranged in a bottom part of the plug-in part and matched with the guide plug, and parts of the plug-in part on both sides of the avoidance opening are respectively inserted into the two cavities of the plug-in groove.

3. The power cord sealing structure of the power box according to claim 2, characterized in that: a pressing part is arranged above the plug-in groove of the power box cover, and the pressing part is tightly pressed on an outer side wall of the plug-in part.

4. The power cord sealing structure of the power box according to claim 3, characterized in that: the plug-in part is a square block structure, the pressing part is a reverse U-shaped structure, and the pressing part is tightly pressed on a top part and upper end parts on both sides of the plug-in part.

5. The power cord sealing structure of the power box according to claim 1, characterized in that: the plug-in part and the power sleeve are an integral forming structure, one end of the power sleeve extending into the power box body is a necked opening structure, and the port of the end of the power sleeve extending into the power box body has the smallest inner diameter.

6. The power cord sealing structure of the power box according to claim 1, characterized in that: a port of one end of the power sleeve extending out of the power box body is an expanded opening structure.

7. The power cord sealing structure of the power box according to claim 1, characterized in that: the power hole is an arc-shaped hole, and a peripheral wall of the arc-shaped hole is tightly connected with an outer side wall of the end of the power sleeve extending into the power box body.

8. The power cord sealing structure of the power box according to claim 1, characterized in that: a first stud with an open upper end is arranged on an outer side of the power box body, a second stud coaxially matched with the first stud is arranged on the power box cover, the second stud is a structure with open ends, and the second stud is detachably fixed on the first stud through a screw rod.

9. An air conditioner, characterized in that: the air conditioner comprises the power cord sealing structure of the power box according to any one of claims 1 to 8. ​ ​ ​ ​ ​ ​ ​ ​ ​

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