Relay box

Abstract

The utility model provides a relay box which comprises a box body and a box cover connected with the box body, a sealing seat is embedded in the bottom of the box body, a sealing cover is embedded in the top of the box body, a sealing sleeve is arranged at the bottom of the sealing cover, and a plurality of protruding sealing strips are arranged on the outer side surfaces of the sealing seat, the sealing cover and the sealing sleeve. The sealing strips abut against the inner wall of the box body, installation grooves are formed in the middle of the sealing sleeve and the middle of the sealing cover, relays are installed in the installation grooves, first buckles are arranged on the two sides of the top of the box body, lever type pressing plates are arranged on the two sides of the box cover, second buckles are arranged at one ends of the pressing plates, a back plate is arranged on one side of the box body, and fixing holes are formed in the surface of the back plate. According to the utility model, the sealing seat, the sealing cover and the sealing sleeve are arranged, and the sealing strips are arranged on the sealing seat, the sealing cover and the sealing sleeve, so that the sealing effect of the relay box can be effectively improved, and the back plate is arranged on the box body, so that the relay box is convenient to install and fix.

Description

Technical Field

[0001] The utility model relates to the technical field of relays, and particularly relates to a relay box. Background Art

[0002] Mechanical seal, also known as face seal, is a device used for the shaft seal device of rotating machinery, aiming to prevent fluid leakage. It consists of at least a pair of end faces perpendicular to the axis of rotation. These end faces are kept in contact and relatively sliding under the action of fluid pressure and the elastic force (or magnetic force) of the compensation mechanism, as well as with the cooperation of auxiliary seals. Mechanical seals are widely used in equipment such as centrifugal pumps, centrifuges, reactors, and compressors. Due to advantages such as less leakage and long service life, they have become the main shaft seal method for these devices.

[0003] Chinese Patent Publication No. CN104900448A discloses a special small five-pin waterproof relay socket for automobiles, which is a device for waterproofing and sealing relays in the special compartment of a modern automobile engine, belonging to the field of circuit protection. It includes an upper cover, a double-sided sealing ring, and a socket body. Multiple ones can be orderly linked or disassembled with each other, the installation and disassembly of terminals are convenient, the volume is small, the appearance is compact, and it does not occupy too much space in the automobile, and the sealing is reliable.

[0004] However, the sealing effect of this kind of waterproof relay socket on the relay is not ideal enough, and it is not convenient to install and fix the main body. Therefore, the applicant has made a beneficial design and found a method to solve the above problems. The technical solution to be introduced below is generated under this background. Summary of the Utility Model

[0005] The utility model aims to provide a relay box to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical solutions:

[0007] A relay box includes a box body and a box cover connected to the box body. A sealing seat is embedded and provided at the bottom of the box body, a sealing cover is embedded and provided at the top of the box body. A sealing sleeve is provided at the bottom of the sealing cover. A plurality of protruding sealing strips are provided on the outer surfaces of the sealing seat, the sealing cover, and the sealing sleeve. All the plurality of sealing strips are in contact with the inner wall of the box body. An installation groove is provided in the middle of the sealing sleeve and the sealing cover, and a relay is installed in the installation groove. First buckles are provided on both sides of the top of the box body, pressing plates in the form of levers are provided on both sides of the box cover, second buckles are provided at one end of each pressing plate, a back plate is provided on one side of the box body, and fixing holes are provided on the surface of the back plate.

[0008] Preferably, a plurality of insertion terminals for connecting with the relay are provided at the top of the sealing seat.

[0009] Preferably, limiting buckles are provided on both sides of the opening at the bottom of the box body.

[0010] Preferably, a plurality of wiring holes are provided on the surface of the sealing seat.

[0011] Preferably, a plurality of reinforcing ribs are provided at the connection between the back plate and the box body.

[0012] Advantageous Effects

[0013] One or more of the above technical solutions in a relay box provided by an embodiment of the present invention have at least one of the following technical effects:

[0014] Through the above technical solutions of the present invention, by providing a sealing seat, a sealing cover and a sealing sleeve, and at the same time, sealing strips are provided on the outer surfaces of the sealing seat, the sealing cover and the sealing sleeve, and the plurality of sealing strips are abutted against the inner wall of the box body, so that the sealing effect of the relay box can be effectively improved. And by providing a back plate on the box body and fixing holes on the back plate, it is convenient to install and fix the relay box. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 It is an exploded structure schematic diagram of the present invention;

[0017] Figure 3 It is a schematic diagram of the box body structure of the present invention.

[0018] The corresponding relationship between the reference numerals and the component names in the drawings is as follows:

[0019] 1. Box body; 2. Box cover; 3. Sealing seat; 4. Sealing cover; 5. Sealing sleeve; 6. Sealing strip; 7. Installation groove; 8. Relay; 9. First buckle; 10. Pressure plate; 11. Second buckle; 12. Back plate; 13. Fixing hole; 14. Plug-in terminal; 15. Limiting buckle; 16. Wiring hole; 17. Reinforcing rib. Detailed Embodiments

[0020] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0022] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] As Figures 1-3 shown, it is a schematic structural diagram of a relay box according to a preferred embodiment of the present utility model;

[0024] In this embodiment, it includes a box body 1 and a box cover 2 connected to the box body 1. A sealing seat 3 is snap-fitted and provided at the bottom of the box body 1, a sealing cover 4 is snap-fitted and provided at the top of the box body 1. A sealing sleeve 5 is provided at the bottom of the sealing cover 4. A plurality of protruding sealing strips 6 are provided on the outer surfaces of the sealing seat 3, the sealing cover 4 and the sealing sleeve 5. All the plurality of sealing strips 6 are abutted against the inner wall of the box body 1, so as to effectively improve the sealing effect of the relay box. An installation groove 7 is provided in the middle of the sealing sleeve 5 and the sealing cover 4, and a relay 8 is installed in the installation groove 7. First buckles 9 are provided on both sides of the top of the box body 1, and lever-type pressing plates 10 are provided on both sides of the box cover 2. Second buckles 11 are provided at one end of each pressing plate 10. The first buckle is snap-fitted with the second buckle 11 to realize the connection between the box body 1 and the box cover 2 and is convenient for disassembly. A back plate 12 is provided on one side of the box body 1, and fixing holes 13 are provided on the surface of the back plate 12. The box body 1 can be fixed at a specified position by using screws through the back plate 12 and the fixing holes 13, so as to facilitate the installation and fixation of the relay box.

[0025] In this embodiment, a plurality of plug-in terminals 14 for connecting with the relay 8 are provided on the top of the sealing seat 3, and the relay 8 is connected to an external electrical appliance through the plurality of plug-in terminals 14.

[0026] In this embodiment, limit buckles 14 are provided on both sides of the opening at the bottom of the box body 1 to limit the sealing seat 3 and prevent the sealing seat 3 from falling out of the box body 1.

[0027] In this embodiment, a plurality of wiring holes 15 are provided on the surface of the sealing seat 3, and connecting wires are inserted through the plurality of wiring holes 15 for connection with the plug terminals 14.

[0028] In this embodiment, a plurality of reinforcing ribs 16 are provided at the connection between the back plate 12 and the box body 1, and the connection strength between the back plate 12 and the box body 1 is enhanced through the plurality of reinforcing ribs 16.

[0029] For a relay box of the present utility model, its installation method, connection method or setting method are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented.

[0030] The technologies not described in detail in the present utility model are all well-known technologies. Those skilled in the art can easily implement the present utility model on the basis of understanding this specification, and the content shown in the drawings is a part of this specification.

[0031] The above content further elaborates on the present utility model in combination with specific embodiments. It cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the present utility model belongs, without departing from the concept of the present utility model, several simple deductions or substitutions can still be made, and all should be regarded as belonging to the protection scope determined by the claims submitted for the present utility model.

Claims

1. A relay box, comprising a box body (1) and a box cover (2) connected to the box body (1), characterized in that: A sealing seat (3) is snap-fitted at the bottom of the box body (1), a sealing cover (4) is snap-fitted at the top of the box body (1), a sealing sleeve (5) is provided at the bottom of the sealing cover (4), a plurality of raised sealing strips (6) are provided on the outer surfaces of the sealing seat (3), the sealing cover (4) and the sealing sleeve (5), and the plurality of sealing strips (6) are all in contact with the inner wall of the box body (1). An installation groove (7) is provided in the middle of the sealing sleeve (5) and the sealing cover (4), and a relay (8) is installed in the installation groove (7). First buckles (9) are provided on both sides of the top of the box body (1), lever-type pressing plates (10) are provided on both sides of the box cover (2), second buckles (11) are provided at one end of each pressing plate (10), a back plate (12) is provided on one side of the box body (1), and fixing holes (13) are provided on the surface of the back plate (12).

2. The relay box according to claim 1, characterized in that: A plurality of insertion terminals (14) for connecting with the relay (8) are provided at the top of the sealing seat (3).

3. A relay box according to claim 1, characterized in that: Limit buckles (15) are provided on both sides of the opening at the bottom of the box body (1).

4. A relay box according to claim 1, wherein: A plurality of wiring holes (16) are provided on the surface of the sealing seat (3).

5. A relay box according to claim 1, characterized in that: A plurality of reinforcing ribs (17) are provided at the connection between the back plate (12) and the box body (1).

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