CN210925861U - Outdoor totally enclosed type seals utmost point post admittedly - Google Patents

Abstract

The utility model discloses an outdoor full-sealing type solid-sealed polar pole, which belongs to the technical field of solid-sealed polar poles, and comprises a solid-sealed polar pole, wherein a vacuum arc extinguish chamber is arranged in the inner cavity of the solid-sealed polar pole, an epoxy resin casting body is cast at the top of the inner cavity of the vacuum arc extinguish chamber, a moving contact screw rod is arranged at the bottom of the epoxy resin casting body, a contact spring is arranged at the bottom of the inner cavity of the vacuum arc extinguish chamber, and a special-shaped silica gel cover is sleeved on the outer wall of the contact spring, the vacuum arc extinguish chamber is cast in the solid-sealed polar pole, the top of a vacuum tube passes through a cylinder body to be connected with a moving contact, an outgoing line conductor is cast in the solid-sealed polar pole, an insulating pull rod component is connected with the moving contact screw rod of the arc extinguish chamber, and the arc extinguish chamber and the outgoing line conductor are, and the full sealing is realized.

Description

Outdoor totally enclosed type seals utmost point post admittedly

Technical Field

The utility model relates to an gu seal utmost point post technical field specifically is an outdoor totally enclosed type gu seals utmost point post.

Background

Along with the development of the economy of our country, it is especially important in the aspect of mine illumination, at present, the circuit breaker that low pressure feed switch used is mostly direct fixed mode, circuit breaker input/output is cable junction, imbed the relevant conductive part of vacuum interrupter and circuit breaker in the epoxy simultaneously and constitute utmost point post, make whole circuit breaker utmost point post become an holistic part, make simple structure, can dismantle the part few, the reliability is high, has high insulator spindle ability, it becomes volume insulation with surface insulation, compare air insulation, the influence of environment has been reduced, the dielectric strength has been improved greatly. However, in the long-time use process, looseness and falling easily appear to the connector, lead to sealed effect to descend, so in order to solve this problem, mostly adopt to have the sealed cover nested at the junction to carry out further protection, but in the long-time use process, still can appear the ageing scheduling problem of sealed cover, so need improve the protection of junction, improve the protection effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outdoor totally enclosed type seals utmost point post admittedly to what put forward in the solution above-mentioned background art how to avoid the inboard of wiring mouth to appear rocking the problem that leads to sealed effect to descend.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an outdoor totally enclosed type seals utmost point post admittedly, includes and seals utmost point post admittedly, just vacuum interrupter has been seted up in the inner chamber of sealing utmost point post admittedly, the pouring of the inner chamber top of vacuum interrupter has epoxy resin pouring body, epoxy resin pouring body's bottom is equipped with the moving contact screw rod, the contact spring is installed to vacuum interrupter's inner chamber bottom, just the heterotypic silica gel cover has been cup jointed on the outer wall of contact spring, the top integrated into one piece of contact spring has the insulating pull rod subassembly, the insulating pull rod subassembly is connected with the moving contact screw rod, the conductor of being qualified for the next round of competitions is installed on the right side of moving contact screw rod, and pours on the outer wall of the conductor of being qualified for the next round of competitions and has the vacuum pouring extension, the bottom nestification of.

Preferably, an annular interface is integrally formed at the bottom of the vacuum casting extension part, and the sealing ring is sleeved on the annular interface.

Preferably, the outer wall of the vacuum casting extension part is provided with a reinforcing hoop, and the sealing ring is positioned in an inner ring of the reinforcing hoop.

Preferably, the angle between the vacuum casting extension and the housing is 90 ° or 0 °.

Preferably, the movable contact screw rod is connected with the outgoing line conductor through a pin shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the utility model realizes the full-insulation and full-sealing effect by pouring the vacuum arc extinguish chamber in the solid-sealed polar pole, connecting the top of the vacuum tube with the moving contact through the cylinder, pouring the outgoing conductor in the solid-sealed polar pole, connecting the insulating pull rod component with the moving contact screw rod of the arc extinguish chamber, and pouring the arc extinguish chamber and the outgoing conductor with the epoxy resin in vacuum, and realizes the full-insulation and full-sealing by pouring the movable end of the insulating pull rod with the special-shaped silica gel cover;

2) the utility model discloses on the basis of the omniseal, adopted the sealing washer to receive often that to be qualified for the next round of competitions the conductor that drags further sealed to externally be equipped with extra pouring layer, improve the fixed to the sealing washer, thereby avoid dragging the problem that the in-process leads to sealed effect to descend and take place.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises a vacuum arc extinguish chamber 1, an epoxy resin casting body 2, a moving contact screw rod 3, an insulating pull rod assembly 4, a contact spring 5, a special-shaped silica gel cover 6, an outgoing line conductor 7, a vacuum casting extension part 8, a sealing ring 9 and a shell 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides an outdoor totally enclosed type seals utmost point post admittedly, is including sealing utmost point post admittedly, just set up vacuum interrupter 1 in sealing utmost point post's the inner chamber admittedly, the pouring of vacuum interrupter 1's inner chamber top has epoxy resin pouring body 2, epoxy resin pouring body 2's bottom is equipped with moving contact screw rod 3, contact spring 5 is installed to vacuum interrupter 1's inner chamber bottom, just abnormal shape silica gel cover 6 has been cup jointed on contact spring 5's the outer wall, contact spring 5's top integrated into one piece has insulating pull rod subassembly 4, insulating pull rod subassembly 4 is connected with moving contact screw rod 3, accomplishes the normal processing design that seals utmost point post admittedly, realizes the totally enclosed protection to the internals.

The right side of the moving contact screw rod 3 is provided with an outgoing conductor 7, a vacuum pouring extension part 8 is poured on the outer wall of the outgoing conductor 7, a sealing ring 9 is nested at the bottom of the vacuum pouring extension part 8, a shell 10 is poured at the bottom of the vacuum pouring extension part 8, the sealing ring 9 is located in an inner ring of the shell 10, the outgoing conductor is provided with the vacuum pouring extension part, the outgoing conductor 7 is completely wrapped and protected, and two sections of protective shells are arranged, so that the influence of the outgoing conductor 7 affected by the outer side on a sealing part is effectively improved, the fixed support of the outgoing conductor 7 is improved, and the problem that the overall sealing performance is reduced due to the movement of the outgoing conductor 7 is solved.

The bottom of the vacuum casting extension part 8 is integrally formed with an annular interface, the sealing ring 9 is sleeved on the annular interface, the sealing ring 9 is sealed inside the outlet conductor 7, then a shell is installed by casting, the protection effect of the outlet is improved, damage of a sealing position is reduced, the sealing protection effect is improved, a reinforcing hoop is installed on the outer wall of the vacuum casting extension part 8, the sealing ring 9 is located in an inner ring of the reinforcing hoop, the reinforcing protection effect is improved, an included angle between the vacuum casting extension part 8 and the shell 10 is 90 degrees or 0 degree, fixed clamping of a corner is achieved, reinforcing support or connection use is facilitated, the movable contact screw rod 3 is connected with the outlet conductor 7 through a pin shaft, and normal movement of the outlet conductor 7 is guaranteed.

The working principle is as follows: the utility model discloses a with the pouring of vacuum interrupter 1 in solid utmost point post that seals, the top of vacuum tube is passed the cylinder and is connected with the moving contact, will be qualified for the next round of competitions the pouring of conductor 7 in solid utmost point post that seals, insulating pull rod subassembly 4 is connected with vacuum interrupter 1's moving contact screw rod 3 to vacuum interrupter 1 reaches conductor 7 and the pouring of being qualified for the next round of competitions and epoxy vacuum, realizes the totally enclosed effect of complete insulation, and insulating pull rod moves the end and pours with heterotypic silica gel cover 6, has realized the complete sealing. On the basis of full-sealing, the sealing ring 9 is adopted to further seal the outgoing line conductor 7 which is frequently dragged, an additional pouring layer is arranged outside, the fixation of the sealing ring 9 is improved, and the problem that the sealing effect is reduced in the dragging process is avoided.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an outdoor totally enclosed type seals utmost point post admittedly, is including sealing utmost point post admittedly, just vacuum interrupter (1) has been seted up in the inner chamber of sealing utmost point post admittedly, the inner chamber top pouring of vacuum interrupter (1) has epoxy resin pouring body (2), the bottom of epoxy resin pouring body (2) is equipped with moving contact screw rod (3), contact spring (5) are installed to the inner chamber bottom of vacuum interrupter (1), just heterotypic silica gel cover (6) have been cup jointed on the outer wall of contact spring (5), the top integrated into one piece of contact spring (5) has insulating pull rod subassembly (4), insulating pull rod subassembly (4) are connected its characterized in that with moving contact screw rod (3): the right side of the moving contact screw rod (3) is provided with an outgoing conductor (7), the outer wall of the outgoing conductor (7) is poured with a vacuum pouring extension part (8), the bottom of the vacuum pouring extension part (8) is nested with a sealing ring (9), the bottom of the vacuum pouring extension part (8) is poured with a shell (10), and the sealing ring (9) is located in an inner ring of the shell (10).

2. The outdoor fully-sealed type embedded pole according to claim 1, characterized in that: the bottom of the vacuum casting extension part (8) is integrally formed with an annular interface, and the sealing ring (9) is sleeved on the annular interface.

3. The outdoor fully-sealed type embedded pole according to claim 1, characterized in that: and the outer wall of the vacuum casting extension part (8) is provided with a reinforcing hoop, and the sealing ring (9) is positioned in an inner ring of the reinforcing hoop.

4. The outdoor fully-sealed type embedded pole according to claim 1, characterized in that: the included angle between the vacuum casting extension part (8) and the shell (10) is 90 degrees or 0 degrees.

5. The outdoor fully-sealed type embedded pole according to claim 1, characterized in that: the moving contact screw rod (3) is connected with the outgoing line conductor (7) through a pin shaft.

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