Moistureproof high-low voltage explosion-proof wire holder

Abstract

The utility model relates to the technical field of explosion-proof wire holders, in particular to a moisture-proof high-low voltage explosion-proof wire holder, which comprises a fixed seat, an explosion-proof shell is arranged at the top end of the fixed seat, a wire holder is arranged in the explosion-proof shell, a cover plate is arranged at the top end of the explosion-proof shell, and threading pipes are arranged on two sides of the explosion-proof shell. A plurality of elastic clamping pieces are uniformly arranged at one end of the threading pipe, a rubber ring is arranged in the middle of each elastic clamping piece, and a fastening joint is arranged on the surface of the threading pipe; the beneficial effects are that through the arrangement of the threading pipe, the elastic clamping piece and the fastening joint, during use, the rubber ring is sleeved on the surface of a cable, then the cable passes through the threading pipe to be connected with a binding post, and then the fastening joint is tightened to extrude the rubber ring through the elastic clamping piece, so that the rubber ring is tightly attached to the cable and the threading pipe; therefore, the sealing and waterproof effects are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of explosion -proof terminal block, concretely is a moisture -proof high -low voltage explosion -proof terminal block. BACKGROUND

[0002] In high -low voltage electrical system, explosion -proof terminal block is the important part of guaranteeing electrical connection safety. However, the existing explosion -proof terminal block has certain deficiency in moisture -proof performance.

[0003] At present, the moisture -proof measure of common explosion -proof terminal block is limited, and in humid environment, moisture can easily invade the inside of terminal block, resulting in electrical performance decline, even causing short circuit, electric leakage and other safety hazards. This not only affects the normal operation of electrical equipment, but also threatens the production safety. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a moisture -proof high -low voltage explosion -proof terminal block to solve the problem in the above background technology.

[0005] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme:

[0006] A moisture -proof high -low voltage explosion -proof terminal block, comprising:

[0007] The fixed seat is provided with an explosion -proof shell at the top, the inside of the explosion -proof shell is provided with a terminal block, the top of the explosion -proof shell is provided with a cover plate, both sides of the explosion -proof shell are provided with a wire pipe, one end of the wire pipe is uniformly provided with a plurality of elastic clamping pieces, the middle part of the elastic clamping piece is provided with a rubber ring, and the surface of the wire pipe is provided with a fastening joint.

[0008] Preferably, the fixed seat is provided with a fixed groove at the four corners, and the top of the fixed seat is fixedly connected with an explosion -proof shell.

[0009] Preferably, the top of the explosion -proof shell is uniformly provided with a plurality of threaded holes, and the top of the explosion -proof shell is uniformly fixedly connected with a plurality of positioning protrusions.

[0010] Preferably, the inside of the explosion -proof shell is fixedly connected with a terminal block, and the top of the terminal block is uniformly fixedly connected with a plurality of terminal posts.

[0011] Preferably, the surface of the terminal post is sleeved with a gasket, and the surface of the terminal post is threadedly connected with a fastening nut.

[0012] Preferably, the top of the explosion -proof shell is fixedly connected with a cover plate, the edge of the top of the cover plate is uniformly inserted with a plurality of fixed bolts, and the other end of the fixed bolt is threadedly connected in the inside of the threaded hole.

[0013] Preferably, the bottom end of the cover plate is fixedly connected with a sealing ring, the surface of the sealing ring is uniformly provided with a plurality of positioning grooves, and the positioning grooves are connected with the positioning protrusions in a matched mode.

[0014] Preferably, the two sides of the explosion-proof shell are fixedly connected with wire penetrating pipes, and the surface of the wire penetrating pipe is provided with a threaded groove.

[0015] Preferably, the surface of the other end of the wire penetrating pipe is uniformly fixedly connected with a plurality of elastic clamping pieces, and the inside of the other end of the wire penetrating pipe is fixedly connected with a limiting ring.

[0016] Preferably, the inside of the elastic clamping piece is clamped with a rubber ring, and the surface of the threaded groove is threadedly connected with a fastening joint.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] The utility model discloses a wire penetrating pipe, elastic clamping piece and fastening joint are set, wire penetrating pipe fixedly connected at the both sides of explosion -proof shell, wire penetrating pipe other end evenly sets up a plurality of elastic clamping pieces, and the middle part of elastic clamping piece is provided with a rubber ring, and when using, the rubber ring is sleeved on the surface of cable, and then the cable is passed through wire penetrating pipe and is connected with the binding post, then fastening joint is screwed and is extruded rubber ring through elastic clamping piece, makes rubber ring and cable and wire penetrating pipe between closely fit, thereby reaches the effect of sealing waterproof, and the setting of sealing ring, when using, sealing ring fixedly connected between the connecting place of cover plate and explosion -proof shell, thereby greatly improve the sealing effect of cover plate, and then improve the safety of binding post. ACCURACY

[0019] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the explosion -proof shell structure schematic diagram of the utility model;

[0021] Figure 3 It is the binding post structure schematic diagram of the utility model;

[0022] Figure 4 It is the cover plate structure schematic diagram of the utility model;

[0023] Figure 5 It is the explosion -proof shell cross section structure schematic diagram of the utility model.

[0024] As shown in the figure: 1, fixed seat; 101, fixed groove; 2, explosion-proof shell; 201, threaded hole; 202, positioning protrusion; 3, terminal block; 301, terminal post; 302, gasket; 303, fastening nut; 4, cover plate; 5, fixing bolt; 6, sealing ring; 601, positioning groove; 7, threading pipe; 701, threaded groove; 8, elastic clamping piece; 9, limiting ring; 10, rubber ring; 11, fastening joint. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the overall concept of the utility model, the following will be combined with the drawings in the specification in an exemplary manner to be described in detail.

[0026] Embodiment one:

[0027] Please refer to Figures 1 to 5 , the utility model provides a technical scheme: a damp-proof high-low voltage explosion-proof terminal block, comprising:

[0028] Fixed seat 1, the top of the fixed seat 1 is provided with explosion-proof shell 2, the inside of the explosion-proof shell 2 is provided with terminal block 3, the top of the explosion-proof shell 2 is provided with cover plate 4, both sides of the explosion-proof shell 2 are provided with threading pipe 7, one end of the threading pipe 7 is uniformly provided with a plurality of elastic clamping pieces 8, the middle of the elastic clamping piece 8 is provided with rubber ring 10, the surface of the threading pipe 7 is provided with fastening joint 11.

[0029] Through the setting of threading pipe 7, elastic clamping piece 8 and fastening joint 11, threading pipe 7 is fixedly connected on both sides of explosion-proof shell 2, the other end of threading pipe 7 is uniformly provided with a plurality of elastic clamping pieces 8, and the middle of elastic clamping piece 8 is provided with rubber ring 10, when using, rubber ring 10 is sleeved on the surface of cable, then the cable is threaded through threading pipe 7 and connected with terminal post 301, then fastening joint 11 is tightened, and rubber ring 10 is extruded by elastic clamping piece 8, so that rubber ring 10 is tightly attached between cable and threading pipe 7, thereby achieving the effect of sealing and waterproof.

[0030] Embodiment two:

[0031] As Figures 2 to 3 shown, the damp-proof high-low voltage explosion-proof terminal block disclosed in the utility model embodiment two is basically same with that in embodiment one, and the difference is that:

[0032] The fixed seat 1 is provided with fixed groove 101 at four corners, and the top of the fixed seat 1 is fixedly connected with explosion-proof shell 2.

[0033] The top of the explosion-proof shell 2 is uniformly provided with a plurality of threaded holes 201, and the top of the explosion-proof shell 2 is uniformly fixedly connected with a plurality of positioning protrusions 202.

[0034] The inside of the explosion-proof shell 2 is fixedly connected with a terminal block 3, and the top end of the terminal block 3 is uniformly fixedly connected with a plurality of terminal posts 301.

[0035] The surface of the terminal post 301 is sleeved with a gasket 302, and the surface of the terminal post 301 is threadedly connected with a fastening nut 303.

[0036] Through the arrangement of the terminal post 301, the gasket 302 and the fastening nut 303, the cable is connected with the terminal block 3 through the cooperation of the fastening nut 303 and the gasket 302 during use, so that the convenient and quick installation effect is achieved, and the wiring is more firm.

[0037] Embodiment three:

[0038] As shown in the Figures 4 to 5 Embodiment three of the utility model discloses a moisture-proof high-low voltage explosion-proof terminal block, which has basically the same structure as that of the embodiment two, and the difference lies in that:

[0039] The top end of the explosion-proof shell 2 is fixedly connected with a cover plate 4, the edge of the top end of the cover plate 4 is uniformly inserted with a plurality of fixing bolts 5, and the other end of the fixing bolt 5 is threadedly connected in the inside of the threaded hole 201.

[0040] The bottom end of the cover plate 4 is fixedly connected with a sealing ring 6, the surface of the sealing ring 6 is uniformly provided with a plurality of positioning grooves 601, and the positioning grooves 601 and the positioning protrusions 202 are connected in a matched mode.

[0041] Both sides of the explosion-proof shell 2 are fixedly connected with a wire penetrating pipe 7, and the surface of the wire penetrating pipe 7 is provided with a threaded groove 701.

[0042] The surface of the other end of the wire penetrating pipe 7 is uniformly fixedly connected with a plurality of elastic clamping pieces 8, and the inside of the other end of the wire penetrating pipe 7 is fixedly connected with a limiting ring 9.

[0043] The inside of the elastic clamping piece 8 is clamped with a rubber ring 10, and the surface of the threaded groove 701 is threadedly connected with a fastening joint 11.

[0044] Through the arrangement of the sealing ring 6, the sealing ring 6 is fixedly connected between the cover plate 4 and the explosion-proof shell 2 during use, so that the sealing effect of the cover plate 4 is greatly improved, and the safety of the terminal block 3 is improved.

[0045] The specific scheme is: first, the surface of the high-voltage cable and the low-voltage cable is sleeved with a rubber ring 10, then the cable is threaded through the threading pipe 7 and the rubber ring 10 is clamped in the middle of the elastic clamping piece 8, then the cable is fixedly connected with the terminal post 301 through the fastening nut 303, through the setting of the terminal post 301, the gasket 302 and the fastening nut 303, the cable is connected with the terminal 3 through the cooperation of the fastening nut 303 and the gasket 302 during use, so that the effect of convenient and fast installation is achieved, and the effect of more firm connection is also achieved, then the fastening joint 11 is tightened, through the setting of the threading pipe 7, the elastic clamping piece 8 and the fastening joint 11, the threading pipe 7 is fixedly connected on both sides of the explosion-proof shell 2, a plurality of elastic clamping pieces 8 are uniformly arranged on the other end of the threading pipe 7, and the middle of the elastic clamping piece 8 is provided with a rubber ring 10, the rubber ring 10 is sleeved on the surface of the cable during use, then the cable is connected with the terminal post 301 through the threading pipe 7, then the fastening joint 11 is tightened to extrude the rubber ring 10 through the elastic clamping piece 8, so that the rubber ring 10 is tightly attached between the cable and the threading pipe 7, thereby achieving the effect of sealing and waterproof, finally the cover plate 4 is fixed on the top end of the explosion-proof shell 2 through the fixing bolt 5, through the setting of the sealing ring 6, the sealing ring 6 is fixedly connected between the cover plate 4 and the explosion-proof shell 2 during use, thereby greatly improving the sealing effect of the cover plate 4, and the safety of the terminal 3 is improved.

[0046] Those skilled in the art will understand that the discussion of any of the above embodiments is merely exemplary and is not intended to limit the scope of the present application (including claims) to these examples; under the thought of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in detail for the sake of brevity.

[0047] The present application is intended to cover all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, alternatives, variations and equivalents that fall within the spirit and scope of the present application are included in the present application.

Claims

1. A moisture-proof high-low voltage explosion-proof terminal block, characterized in that, The utility model relates to a fixed seat (1), the top of fixed seat (1) is provided with explosion -proof housing (2), the inside of explosion -proof housing (2) is provided with wiring holder (3), the top of explosion -proof housing (2) is provided with cover plate (4), both sides of explosion -proof housing (2) are provided with threading pipe (7), one end of threading pipe (7) is evenly provided with a plurality of elastic clamping pieces (8), the middle part of elastic clamping piece (8) is provided with rubber ring (10), the surface of threading pipe (7) is provided with fastening joint (11). The fixed seat (1) is provided with a fixed groove (101) at each corner, and the top of the fixed seat (1) is fixedly connected with an explosion-proof housing (2).

2. The moisture-proof high-low voltage explosion-proof terminal block according to claim 1, characterized in that, The top of the explosion-proof housing (2) is evenly provided with a plurality of threaded holes (201), and the top of the explosion-proof housing (2) is fixedly connected with a plurality of positioning protrusions (202).

3. The moisture-proof high-low voltage explosion-proof terminal block according to claim 2, characterized in that, The inside of the explosion-proof housing (2) is fixedly connected with a wiring holder (3), and the top of the wiring holder (3) is fixedly connected with a plurality of wiring posts (301).

4. The moisture-proof high-low voltage explosion-proof terminal block according to claim 3, characterized in that, The surface of the wiring post (301) is sleeved with a gasket (302), and the surface of the wiring post (301) is threadedly connected with a fastening nut (303).

5. The moisture-proof high-low voltage explosion-proof terminal block according to claim 4, characterized in that, The top of the explosion-proof housing (2) is fixedly connected with a cover plate (4), and the edge of the top of the cover plate (4) is evenly inserted with a plurality of fixing bolts (5), and the other end of the fixing bolt (5) is threadedly connected in the inside of the threaded hole (201).

6. The moisture-proof high-low voltage explosion-proof terminal block according to claim 5, characterized in that, The bottom of the cover plate (4) is fixedly connected with a sealing ring (6), and the surface of the sealing ring (6) is evenly provided with a plurality of positioning grooves (601), and the positioning grooves (601) and the positioning protrusions (202) are connected with each other.

7. The moisture-proof high-low voltage explosion-proof terminal block according to claim 6, characterized in that, Both sides of the explosion-proof housing (2) are fixedly connected with a threading pipe (7), and the surface of the threading pipe (7) is provided with a threaded groove (701).

8. The moisture-proof high-low voltage explosion-proof terminal block according to claim 7, characterized in that, The surface of the other end of the threading pipe (7) is fixedly connected with a plurality of elastic clamping pieces (8), and the inside of the other end of the threading pipe (7) is fixedly connected with a limiting ring (9).

9. The moisture-proof high-low voltage explosion-proof terminal block of claim 8, wherein, The inside of the elastic clamping piece (8) is clamped with a rubber ring (10), and the surface of the threaded groove (701) is threadedly connected with a fastening joint (11).

10. The moisture-proof high-low voltage explosion-proof terminal block of claim 9, wherein, ​

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