CN214850297U

CN214850297U - Special terminal box base of explosion-proof frequency conversion fan

Info

Publication number: CN214850297U
Application number: CN202121633041.6U
Authority: CN
Inventors: 司正辉; 司崇楼
Original assignee: Peixian Haozheng Electromechanical Equipment Co ltd
Current assignee: Peixian Haozheng Electromechanical Equipment Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-11-23
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a special terminal box base of explosion-proof frequency conversion fan, which comprises a fixed base, the inside fixed mounting of fixing base has the fixed block, and the inside of fixing base is provided with the connecting seat, the upper end of fixing base is provided with and is used for sealed sealing member, the sealing member includes first sealing washer, second sealing washer, ring channel and round hole, the position department that the inside of fixing base is close to the fixed block is provided with the fastener. A special terminal box base of explosion-proof frequency conversion fan, belong to the terminal box field, through the sealing member that sets up, the sealing member adopts the concave-convex structure, can enough guarantee sealed effect, can ensure the steadiness after the installation simultaneously, ensured the result of use, adopt the fastener, utilize fixed plate, fastening shell fragment isotructure, both can provide the supporting effect, can provide the fastening effort again, steadiness when can ensure the connection terminal and use, simple structure, simple to operate, the result of use is excellent.

Description

Special terminal box base of explosion-proof frequency conversion fan

Technical Field

The utility model relates to a terminal box field, in particular to special terminal box base of explosion-proof frequency conversion fan.

Background

An explosion-proof variable frequency fan refers to a fan with explosion-proof and variable frequency functions, and in a fan structure, in addition to structures such as a fan cover, fan blades and a motor, a junction box is required for connecting cables. The traditional junction box consists of a junction box base, a junction box cover and a wire holder, wherein when the base is connected with the box cover through a screw, the wire holder is arranged in the junction box base; when using, the existing terminal box base is connected with the base through the screw, the rubber ring is simply adopted as a sealing piece, the sealing effect is general, the situation that the sealing is not in place easily occurs during use, and the wiring seat is fixed on the fixing block inside the base, so that the installation stability is general, and certain limitation exists during use.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a special terminal box base of explosion-proof frequency conversion fan can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a special terminal box base of explosion-proof frequency conversion fan, includes the fixing base, the inside fixed mounting of fixing base has the fixed block, and the inside of fixing base is provided with the connecting seat, the upper end of fixing base is provided with and is used for sealed sealing member, the sealing member includes first sealing washer, second sealing washer, ring channel and round hole, first sealing washer, second sealing washer are connected on the fixing base, the inside position department of being close to the fixed block of fixing base is provided with the fastener, the fastener includes fixed plate, pillar, buffer block, countersunk screw, mounting plate and fastening shell fragment, be connected between pillar and the buffer block, and the pillar is fixed in the lower surface of fixed plate.

Preferably, a clamping groove is formed in the fixing seat, the first sealing ring and the second sealing ring in the sealing element are clamped in the clamping groove in the fixing seat, and a binding post is fixedly mounted on the fixing seat.

Preferably, fixed connection between first sealing washer and the second sealing washer, and integrated into one piece between first sealing washer and the second sealing washer, the second sealing washer sets up between first sealing washer, second sealing washer, the round hole card is located on the second sealing washer, and the round hole is located the ring channel.

Preferably, the fixing plate is connected with the pillar in a welding manner, the pillar is fixedly connected with the buffer block, the fastening plate is fixedly installed on the fixing plate, and the fastening elastic sheet is arranged on the fastening plate.

Preferably, be equipped with the circular slot on the fixed plate, run through on pillar, the buffer block and seted up the through-hole, the upper end of countersunk screw is located the circular slot, and the lower extreme of countersunk screw passes the through-hole, threaded connection between terminal and the fixing base of countersunk screw, the fixed plate passes through pillar, buffer block, countersunk screw and is fixed in on the fixing base.

Compared with the prior art, the utility model discloses following beneficial effect has: this special terminal box base of explosion-proof frequency conversion fan, through the sealing member that sets up, the sealing member adopts the concave-convex structure, can enough guarantee sealed effect, can ensure the steadiness after the installation simultaneously, has ensured the result of use, adopts the fastener, utilizes fixed plate, fastening shell fragment isotructure, both can provide the supporting effect, can provide the fastening effort again, steadiness when can ensure the connection terminal and use, simple structure, simple to operate, the result of use is excellent.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic structural diagram of the sealing member of the present invention;

fig. 4 is a schematic structural view of the fastener of the present invention.

In the figure: 1. a fixed seat; 2. a fixed block; 3. a seal member; 301. a first seal ring; 302. a second seal ring; 303. an annular groove; 304. a circular hole; 4. a connecting seat; 5. a fastener; 501. a fixing plate; 502. a pillar; 503. a buffer block; 504. countersunk head screws; 505. a fastening plate; 506. fastening the elastic sheet; 6. and (4) binding posts.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a special terminal box base of explosion-proof frequency conversion fan, including fixing base 1, the inside fixed mounting of fixing base 1 has fixed block 2, and the inside of fixing base 1 is provided with connecting seat 4, the upper end of fixing base 1 is provided with and is used for sealed sealing member 3, sealing member 3 includes first sealing washer 301, second sealing washer 302, annular groove 303 and round hole 304, first sealing washer 301, second sealing washer 302 is connected on fixing base 1, the inside of fixing base 1 is provided with fastener 5 near the position department of fixed block 2, fastener 5 includes fixed plate 501, pillar 502, buffer block 503, countersunk screw 504, mounting plate 505 and fastening shell fragment 506, be connected between pillar 502 and buffer block 503, and pillar 502 is fixed in the lower surface of fixed plate 501.

Through the above embodiment, be provided with the draw-in groove on the fixing base 1, first sealing washer 301 in the sealing member 3, second sealing washer 302 card is located in the draw-in groove on the fixing base 1, fixed mounting has terminal 6 on the fixing base 1, fixed connection between first sealing washer 301 and the second sealing washer 302, and integrated into one piece between first sealing washer 301 and the second sealing washer 302, second sealing washer 302 sets up in first sealing washer 301, between the second sealing washer 302, round hole 304 card is located on the second sealing washer 302, and round hole 304 is located ring channel 303, sealing member 3 through setting up, sealing member 3 adopts the concave-convex structure, can enough guarantee sealed effect, can ensure the steadiness after the installation simultaneously, use effect has been ensured.

Through the above embodiment, the connection mode between the fixing plate 501 and the supporting column 502 is welding, fixed connection between the supporting column 502 and the buffer block 503, the fastening plate 505 is fixedly installed on the fixing plate 501, the fastening elastic sheet 506 is arranged on the fastening plate 505, a circular groove is arranged on the fixing plate 501, the supporting column 502 and the buffer block 503 are provided with through holes in a penetrating manner, the upper end of the countersunk head screw 504 is located in the circular groove, the lower end of the countersunk head screw 504 penetrates through the through holes, the tail end of the countersunk head screw 504 is in threaded connection with the fixing base 1, the fixing plate 501 is fixed on the fixing base 1 through the supporting column 502, the buffer block 503 and the countersunk head screw 504, the fastening piece 5 is adopted, the fixing plate 501 and the fastening elastic sheet 506 are utilized, the supporting effect can be provided, the fastening acting force can be provided, the stability of the wiring base during use can be guaranteed, the structure is simple, the installation is convenient, and the using effect is excellent.

It should be noted that, the utility model relates to a special terminal box base for explosion-proof variable frequency fan, when using, the fixing base 1 is welded on the fan cover, and the sealing element 3 and the fastening element 5 are installed respectively, when installing the sealing element 3, the rubber sealing structure composed of the first sealing ring 301 and the second sealing ring 302 is clamped into the clamping groove on the fixing base 1, it is ensured that the round hole 304 in the annular groove 303 is aligned with the mounting hole on the fixing base 1, the fastening element 5 is installed after the sealing element 3 is installed, the worker places the fixing plate 501 and other structures in the fastening element 5 into the fixing base 1, the fixing plate 501 and the fastening plate 505 are supported through the pillar 502 and the buffer block 503, and simultaneously it is ensured that the through hole on the pillar 502 and the buffer block 503 is aligned with the threaded hole on the fixing base 1, the countersunk head screw 504 is inserted into the through hole, so that the end of the countersunk head screw 504 is contacted with the threaded hole, the countersunk head screw 504 is rotated by a tool, the lower end of the countersunk head screw 504 is screwed into the threaded hole until the fixing plate 501 and other structures are installed inside the fixing seat 1, at the moment, the upper end of the countersunk head screw 504 sinks into the circular groove, the wire holder is installed and fixed after the installation of the fastener 5 is finished, the wire holder is placed on the fixing block 2, the wire holder is supported by the fixing block 2 and the fixing plate 501, at the moment, the hole on the wire holder is aligned with the threaded hole on the fixing block 2, the wire holder can be installed and fixed by utilizing a plurality of screw wire holders, at the moment, the fastening elastic sheet 506 on the fastening plate 505 is in a squeezed state, the fastening elastic sheet 506 can provide certain elasticity, the stability of the wire holder after installation is further ensured, the using effect is ensured, the cable passes through the wiring terminal 6 after the installation of the wire holder, and the relevant cable is connected with the wire holder, then install the junction box lid, during the installation, directly cover the junction box lid on fixing base 1, make the recess card on the lid to sealing member 3, utilize mounting screw to fix the lid, whole junction box erection joint begins to use after finishing, during the use, sealing member 3 can provide excellent sealed effect, sealed effect when guaranteeing to use, sealing member 3 through setting up, sealing member 3 adopts the concave-convex structure, can enough guarantee sealed effect, can ensure the steadiness after the installation simultaneously, the result of use has been ensured, adopt fastener 5, utilize fixed plate 501, fastening shell fragment 506 isotructure, both can provide the supporting effect, can provide fastening effort again, steadiness when can ensure the junction box use, moreover, the steam generator is simple in structure, high durability and convenient installation, excellent in use effect.

The foregoing has described the principles of use, features and advantages of the present invention. The above embodiments and the description describe the basic principles and features of the present invention, and the present invention can be modified in various ways according to the principles of the present invention, and all such modifications are intended to fall within the scope of the present invention as claimed.

Claims

1. The utility model provides a special terminal box base of explosion-proof frequency conversion fan, includes fixing base (1), the inside fixed mounting of fixing base (1) has fixed block (2), and the inside of fixing base (1) is provided with connecting seat (4), its characterized in that: the upper end of fixing base (1) is provided with and is used for sealed sealing member (3), sealing member (3) are including first sealing washer (301), second sealing washer (302), ring channel (303) and round hole (304), first sealing washer (301), second sealing washer (302) are connected on fixing base (1), the inside position department of being close to fixed block (2) of fixing base (1) is provided with fastener (5), fastener (5) are including fixed plate (501), pillar (502), buffer block (503), countersunk screw (504), mounting plate (505) and fastening shell fragment (506), be connected between pillar (502) and buffer block (503), and pillar (502) are fixed in the lower surface of fixed plate (501).

2. The special terminal box base for the explosion-proof variable frequency fan according to claim 1, characterized in that: the sealing device is characterized in that a clamping groove is formed in the fixing seat (1), a first sealing ring (301) and a second sealing ring (302) in the sealing element (3) are clamped in the clamping groove in the fixing seat (1), and a binding post (6) is fixedly mounted on the fixing seat (1).

3. The special terminal box base for the explosion-proof variable frequency fan according to claim 2, characterized in that: fixed connection between first sealing washer (301) and second sealing washer (302), and integrated into one piece between first sealing washer (301) and second sealing washer (302), second sealing washer (302) set up between first sealing washer (301), second sealing washer (302), round hole (304) card is located on second sealing washer (302), and round hole (304) are located ring channel (303).

4. The special terminal box base for the explosion-proof variable frequency fan according to claim 3, characterized in that: the fixing plate (501) is connected with the support column (502) in a welding mode, the support column (502) is fixedly connected with the buffer block (503), the fastening plate (505) is fixedly installed on the fixing plate (501), and the fastening elastic sheet (506) is arranged on the fastening plate (505).

5. The special terminal box base for the explosion-proof variable frequency fan according to claim 4, wherein: be equipped with the circular slot on fixed plate (501), run through on pillar (502), buffer block (503) and seted up the through-hole, the upper end of countersunk screw (504) is located the circular slot, and the lower extreme of countersunk screw (504) passes the through-hole, threaded connection between the end of countersunk screw (504) and fixing base (1), fixed plate (501) are fixed in on fixing base (1) through pillar (502), buffer block (503), countersunk screw (504).