Waterproof junction box structure for compressor
By designing a waterproof junction box structure, the problem of moisture ingress caused by the lack of sealing in the junction box was solved, achieving efficient waterproofing and sealing effects and enhancing the waterproof performance of the junction box.
Patent Information
- Application Number
- CN202520466335.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-17
AI Technical Summary
The existing compressor junction box lacks a sealing structure for the lead-in ports, allowing moisture to enter the junction box through gaps, causing problems such as short circuits and sparking at the terminals.
A waterproof junction box structure was designed, comprising components such as a mounting shell, junction box body, sealing plug, and sealing cover. The sealing performance is enhanced by plugging, bolting, and snap-fit fixing, and the waterproof effect is improved by using rubber gaskets and isolation plates.
It effectively improves the sealing and waterproofing of the junction box, prevents moisture from entering, prevents terminal corrosion and short circuits, and enhances the practicality of the junction box.
Smart Images

Figure CN223912361U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of junction box, concretely is a waterproof junction box structure for compressor. BACKGROUND
[0002] The compressor in air conditioning device is connected with power supply through wiring post, the wiring post is placed in the junction box and is protected by the junction box cover, the air conditioner outdoor unit where the compressor is located is installed outdoors, and is in the wind and rain environment all the year round, and the air conditioner outdoor unit is not closed, when it rains or the air conditioner condensate water drops in the vicinity of the junction box, if the junction box is not waterproof, water will enter the junction box and then corrosion, insulation reduction, fire and other phenomena occur at the wiring place.
[0003] Through the retrieval, the utility model discloses a kind of waterproof junction box structure for compressor, including shell, metal junction box and resin junction box cover;Metal junction box is fixed in shell, and the wiring post set on shell is placed in metal junction box after passing through shell and metal junction box;Resin junction box cover is installed on metal junction box, and the fixed mode between the two is one of self buckle type fixed mode, clip fixed mode and bolt fixed mode;Resin junction box cover inside is provided with elastic sealing pad for sealing between metal junction box and resin junction box cover. It solves the problem that water droplets can enter the non-waterproof junction box through the gap between the cover and the body of the non-waterproof junction box in the prior art, causing short circuit, fire and other problems in the wiring post in the junction box.
[0004] The above-mentioned junction box structure lacks a sealing structure at the lead-in port during use, which causes water vapor to enter the interior of the junction box through the gap between the wire and the lead-in port during actual use, resulting in short circuit and fire of the wiring post in the junction box. Therefore, a waterproof junction box structure for compressor is needed to improve the above-mentioned problems. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model designs a waterproof junction box structure for compressor, which aims to solve the technical problem of lack of sealing structure at the lead-in port in the prior art, and water vapor entering the interior of the junction box through the gap between the wire and the lead-in port.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] The utility model provides a waterproof junction box structure for compressor, including installation shell, the top of installation shell is installed with the junction post, the top of installation shell and the outside fixed connection of junction post insert the strip, the top of installation shell inserts the junction box main part, the bottom of junction box main part fixedly connected with the installation strip, the top of installation strip is equipped with the installation hole, one side of junction box main part is equipped with the junction hole, the inside of junction hole inserts a pair of sealing plug, the top of junction box main part inserts the sealing cover, both sides of sealing cover all articulate a pair of fixed buckle, the both sides of sealing cover and sealing plug corresponding position all fixedly connected with a group of fixed strip.
[0008] Preferably, the installation strip is bolted to the installation shell through the installation hole, and the bottom of the junction box main part is bonded with a rubber pad.
[0009] Preferably, the bottom of the junction box main part is provided with an insertion slot corresponding to the insertion strip, and the junction box main part is connected to the insertion strip through the insertion slot.
[0010] Preferably, the bottom of the junction box main part is provided with an assembly hole corresponding to the junction post, and the junction box main part is connected to the junction post through the assembly hole.
[0011] Preferably, the sealing plug is designed in a semicircular shape, the outer side of the sealing plug is fixedly connected with a limiting ring, the center of each of the two sealing plugs is provided with a group of arc-shaped clamping grooves, the top sealing plug is fixedly connected with a butt joint strip corresponding to the bottom sealing plug, the bottom sealing plug is provided with a butt joint groove corresponding to the butt joint strip, and the two sealing plugs are connected through the butt joint strip and the butt joint groove.
[0012] Preferably, the sealing cover is clamped to the side surface of the junction box main part through the fixed buckle, and the two sides of the sealing cover are fixedly connected with a group of pull rings.
[0013] Preferably, the bottom of the sealing cover is fixedly connected with a group of isolation plates corresponding to the four sides of the inner wall of the junction box main part, the isolation plate is fixedly connected with a rubber pad two corresponding to the side of the inner wall of the junction box main part, and the isolation plate is provided with a lead hole corresponding to the arc-shaped clamping groove.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] 1. The two sealing plugs are connected through the butt joint strip and the butt joint groove, are sleeved on the outer side of the electric wire, are inserted into the junction hole, the sealing property and the waterproof property of the junction hole are improved, the sealing plugs inserted into the junction hole are fixed on both sides by the fixed strip, and the sealing plugs are prevented from loosening and falling off from the junction hole during use.
[0016] 2, the junction box body is connected with the insertion strip through the insertion slot, and is bolted with the mounting shell through the mounting holes on the mounting strip, so that the junction box body is mounted on the mounting shell, the rubber pad one enhances the tightness of the bottom of the junction box body and the mounting shell, and water vapor is prevented from damaging the terminal post through the gap between the bottom of the junction box body and the mounting shell.
[0017] 3, the sealing cover is connected with the side of the junction box body through the fixed buckle, and is mounted on the top of the junction box body, and the isolation plate is provided with the rubber pad two on one side, which is matched with the inner wall of the junction box body on four sides, so that the sealing property of the sealing cover is effectively improved, and water vapor is effectively prevented from entering. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a schematic view of the overall three-dimensional structure of the waterproof junction box for the compressor.
[0019] Figure 2 It is a schematic view of the bottom structure of the junction box body.
[0020] Figure 3 It is a schematic view of the sealing cover structure.
[0021] Figure 4 It is a schematic view of the mounting structure plane of the waterproof junction box for the compressor.
[0022] Figure 5 It is a schematic view of the back structure of the sealing plug.
[0023] In the drawing: 1, the mounting shell; 101, the terminal post; 102, the insertion strip; 2, the junction box body; 201, the mounting strip; 2011, the mounting hole; 2012, the rubber pad one; 202, the terminal hole; 203, the insertion slot; 204, the assembly hole; 3, the sealing plug; 301, the limiting ring; 302, the arc-shaped clamping groove; 303, the butt insertion strip; 304, the butt groove; 4, the sealing cover; 401, the fixed buckle; 402, the fixed strip; 403, the pull ring; 404, the isolation plate; 4041, the rubber pad two; 4042, the lead hole. DETAILED DESCRIPTION
[0024] The technical scheme 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 part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.
[0025] Embodiment:
[0026] The utility model discloses an anti -water terminal box structure for compressor, and this terminal box is designed to solve the technical problem that the sealing structure is lacked at the lead -in port under the prior art, and the water vapor can enter the inside of the terminal box through the gap between the electric wire and the lead -in port.
[0027] Please refer to Figures 1-5 , the utility model provides an anti -water terminal box structure for compressor, including installation shell 1, the top of installation shell 1 is equipped with terminal post 101, and the top of installation shell 1 is fixedly connected with the outside of terminal post 101 and is connected with the plug -in strip 102.
[0028] In the embodiment, please refer to Figure 1 、 Figure 2 And Figure 4 , the top of installation shell 1 is inserted with terminal box body 2, and the bottom side of terminal box body 2 is fixedly connected with mounting strip 201, and the top of mounting strip 201 is provided with mounting hole 2011, and mounting strip 201 is bolted with installation shell 1 through mounting hole 2011, so that terminal box body 2 is installed on installation shell 1, and the bottom of terminal box body 2 is bonded with rubber pad one 2012, and the rubber pad one 2012 can enhance the tightness of the contact between the bottom of terminal box body 2 and installation shell 1, to avoid that the water vapor damages terminal post 101 through the gap between the bottom of terminal box body 2 and installation shell 1.
[0029] In the embodiment, please refer to Figure 2 And Figure 4 , one side of terminal box body 2 is provided with terminal hole 202, and the bottom of terminal box body 2 is provided with plug -in slot 203 corresponding to plug -in strip 102, and terminal box body 2 is connected with plug -in strip 102 through plug -in slot 203, so that terminal box body 2 is quickly connected with terminal post 101, and the bottom of terminal box body 2 is provided with assembly hole 204 corresponding to terminal post 101, and terminal box body 2 is connected with terminal post 101 through assembly hole 204.
[0030] In the embodiment, please refer to Figure 1 、 Figure 2 、 Figure 4 And Figure 5 , a pair of sealing plugs 3 are inserted in the inside of terminal hole 202, and the sealing plug 3 is designed as semicircular structure, and the outside of sealing plug 3 is fixedly connected with limiting ring 301, and a group of arc clamping grooves 302 are formed in the center of the two groups of sealing plugs 3, and the corresponding position of top sealing plug 3 and bottom sealing plug 3 is fixedly connected with butt joint strip 303, and the corresponding position of bottom sealing plug 3 and butt joint strip 303 is provided with butt joint slot 304, and the two groups of sealing plugs 3 are connected with butt joint slot 304 through butt joint strip 303, so that they are sleeved on the outside of electric wire and inserted into terminal hole 202, to improve the sealing property and waterproof property of terminal hole 202.
[0031] In the embodiment, referring to Figure 1 , Figure 2 and Figure 4 , the top of the terminal box body 2 is inserted with a sealing cover 4, a pair of fixed buckles 401 are hinged on the two sides of the sealing cover 4, the sealing cover 4 is clamped with the side surface of the terminal box body 2 through the fixed buckles 401, so that it is installed on the top of the terminal box body 2, a group of fixed strips 402 are fixedly connected with the sealing cover 4 at positions corresponding to the two sides of the sealing plug 3, the fixed strips 402 limit and fix the two sides of the sealing plug 3 embedded in the terminal hole 202, so that the sealing plug 3 is prevented from loosening and falling off from the terminal hole 202 in use, a group of pull rings 403 are fixedly connected with the two sides of the sealing cover 4, the pull rings 403 facilitate the installation and dismounting of the sealing cover 4, a group of isolation plates 404 are fixedly connected with the bottom of the sealing cover 4 and positions corresponding to the four sides of the inner wall of the terminal box body 2, the isolation plate 404 is fixedly connected with the rubber pad two 4041 at a side corresponding to the inner wall of the terminal box body 2, the side of the isolation plate 404 provided with the rubber pad two 4041 is in close contact with the four sides of the inner wall of the terminal box body 2, so that the sealing property of the sealing cover 4 is effectively improved, and water vapor is effectively prevented from entering, the isolation plate 404 is provided with a lead hole 4042 at a position corresponding to the arc-shaped clamping groove 302, and the isolation plate 404 avoids the electric wire at the terminal hole 202 through the lead hole 4042.
[0032] In addition, according to the above-mentioned embodiment, it is necessary to supplement that the terminal post 101 is a prior art, and the internal working principle and operation process thereof will not be described in detail here.
[0033] The working process of the utility model is as follows: firstly, the terminal box body 2 is connected with the insertion strip 102 through the insertion slot 203, so that the terminal box body 2 is quickly connected and installed with the terminal post 101 through the assembly hole 204, the installation strip 201 is bolted with the installation shell 1 through the installation hole 2011, so that the terminal box body 2 is installed on the installation shell 1, the rubber pad one 2012 can enhance the tightness of the bottom of the terminal box body 2 and the installation shell 1, so that the terminal post 101 is prevented from being damaged by water vapor through the gap between the bottom of the terminal box body 2 and the installation shell 1, the two groups of sealing plugs 3 are connected with the butt joint slot 304 through the butt joint insertion strip 303, so that they are sleeved on the outer side of the electric wire and inserted into the terminal hole 202, so that the sealing property and waterproof property of the terminal hole 202 are improved, after the electric wire is connected with the terminal post 101, the sealing cover 4 is clamped with the side surface of the terminal box body 2 through the fixed buckles 401, so that it is installed on the top of the terminal box body 2, the fixed strips 402 limit and fix the two sides of the sealing plug 3 embedded in the terminal hole 202, so that the sealing plug 3 is prevented from loosening and falling off from the terminal hole 202 in use, the side of the isolation plate 404 provided with the rubber pad two 4041 is in close contact with the four sides of the inner wall of the terminal box body 2, so that the sealing property of the sealing cover 4 is effectively improved, and water vapor is effectively prevented from entering.
[0034] The whole operation process is simple and convenient, and compared with the existing junction box, the junction box has the advantages of enhanced sealing of the junction hole, further improved waterproofness, and enhanced overall practicability.
[0035] The above embodiment is a preferred implementation scheme of the utility model, and in addition thereto, the utility model can be implemented in other modes, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.
Claims
1. A waterproof terminal box structure for a compressor comprising a mounting case (1), characterized in that: The top of the mounting shell (1) is provided with a terminal post (101), the top of the mounting shell (1) is fixedly connected with a plug-in strip (102) outside the terminal post (101), the top of the mounting shell (1) is plugged with a terminal box body (2), the bottom of the terminal box body (2) is fixedly connected with a mounting strip (201), the top of the mounting strip (201) is provided with a mounting hole (2011), one side of the terminal box body (2) is provided with a terminal hole (202), the terminal hole (202) is plugged with a pair of sealing plugs (3), the top of the terminal box body (2) is plugged with a sealing cover (4), both sides of the sealing cover (4) are hingedly connected with a pair of fixed buckles (401), and the sealing cover (4) and the sealing plug (3) are fixedly connected with a group of fixed strips (402) corresponding to the positions on both sides.
2. The waterproof junction box structure for a compressor according to claim 1, characterized in that: The mounting strip (201) is bolted with the mounting shell (1) through the mounting hole (2011), and the bottom of the terminal box body (2) is bonded with a rubber pad (2012).
3. The waterproof junction box structure for a compressor according to claim 1, characterized in that: The bottom of the terminal box body (2) is provided with a plug-in groove (203) corresponding to the plug-in strip (102), and the terminal box body (2) is plug-connected with the plug-in strip (102) through the plug-in groove (203).
4. The waterproof junction box structure for a compressor according to claim 1, characterized in that: The bottom of the terminal box body (2) is provided with an assembly hole (204) corresponding to the terminal post (101), and the terminal box body (2) is plug-connected with the terminal post (101) through the assembly hole (204).
5. The waterproof junction box structure for a compressor according to claim 1, characterized in that: The sealing plug (3) is designed in a semicircular structure, the outer side of the sealing plug (3) is fixedly connected with a limiting ring (301), a group of arc clamping grooves (302) are formed in the centers of the two groups of sealing plugs (3), the top sealing plug (3) is fixedly connected with a butt plug-in strip (303) corresponding to the bottom sealing plug (3), the bottom sealing plug (3) is provided with a butt groove (304) corresponding to the butt plug-in strip (303), and the two groups of sealing plugs (3) are plug-connected through the butt plug-in strip (303) and the butt groove (304).
6. The waterproof junction box structure for a compressor according to claim 1, characterized in that: The sealing cover (4) is clamped with the side surface of the terminal box body (2) through the fixed buckle (401), and a group of pull rings (403) are fixedly connected to the two sides of the sealing cover (4).
7. The waterproof junction box structure for a compressor according to claim 5, characterized in that: A group of isolation plates (404) are fixedly connected to the bottom of the sealing cover (4) and corresponding positions of the four sides of the inner wall of the terminal box body (2), a rubber pad (4041) is fixedly connected to the corresponding side of the isolation plate (404) and the inner wall of the terminal box body (2), and a lead hole (4042) is formed in the isolation plate (404) corresponding to the arc clamping groove (302).
Citation Information
Patent Citations
Waterproof junction box structure for compressor
CN221202070U