CN208950950U - A kind of mining flame-proof type submersible sand discharging electric pump male mechanical sealing base - Google Patents

Abstract

The utility model discloses a kind of mining flame-proof type submersible sand discharging electric pump male mechanical sealing bases, including mounting cylinder, inner cylinder and fixed cylinder, the inside of mounting cylinder is interspersed to be equipped with electric pump drinking-water pipe, the side of mounting cylinder is fixed with fixed cylinder, the inside of fixed cylinder is equipped with inner cylinder, the outer wall of inner cylinder is fixed with several the first sealing blocks, successively rabbet there are two arc snap-gauge the side of inner cylinder, the side of fixed cylinder is fixed with closed-loop, a kind of mining flame-proof type submersible sand discharging electric pump male mechanical sealing base of the utility model, arc snap-gauge and sand-proof net are used cooperatively, it can prevent silt from entering in mounting cylinder, silt is filtered, it can flexibly dismantle simultaneously and sand-proof net is cleared up；The inner cylinder being equipped with inside fixed cylinder, can be further improved the leakproofness to electric pump drinking-water pipe.

Description

A kind of mining flame-proof type submersible sand discharging electric pump male mechanical sealing base

Technical field

The utility model relates to a kind of mechanical sealing base, in particular to a kind of mining flame-proof type submersible sand discharging electric pump male machine Tool seal receptacle.

Background technique

Mining flame-proof type submersible sand discharging electric pump is coal mine down-hole tunnel, bottom hole, local ponding puddle and coal preparation plant row The occasions such as water, engineering drainage use, and are a kind of advanced reliable draining tools, and mining flame-proof type submersible sand discharging electric pump is particularly suitable Contain the place of methane or coal-dust explosion admixture of gas in coal mine down-hole tunnel and getting working face and other working environments, Discharge underground water and containing the water polluting matter for there are the solid particles such as suspension coal dust, landwaste, coal grain, sandstone, silt on a small quantity.

In order to guarantee the normal work of electric pump, stringent sealing, traditional seal receptacle are carried out at the drinking-water pipe of electric pump Structure is simple, and when being sealed, silt still has the possibility of entrance, and such sand enters electric pump, will cause the damage of electric pump Bad and traditional sealing device cannot be buffered effectively when electric pump works, so that gap can be generated by shaking, lead to leakproofness Decline.

Utility model content

The purpose of this utility model is to provide a kind of mining flame-proof type submersible sand discharging electric pump male mechanical sealing bases, with solution Seal receptacle sealing performance certainly mentioned above in the background art can decline with working condition, be easily accessible sand and leakproofness is bad The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of mining flame-proof type submersible sand discharging electric pump Male mechanical sealing base, including mounting cylinder, inner cylinder and fixed cylinder, the inside of the mounting cylinder is interspersed to be equipped with electric pump drinking-water pipe, institute The side for stating mounting cylinder is fixed with fixed cylinder, and the inside of the fixed cylinder is equipped with inner cylinder, and the outer wall of the inner cylinder is fixed with Several first sealing blocks, the side of the inner cylinder are successively rabbeted there are two arc snap-gauge, and the side fixation of the fixed cylinder is set There is closed-loop.

As a kind of optimal technical scheme of the utility model, two avris of the oil storage tank offer oil filler point, institute The avris for stating mounting cylinder is fixed with mounting ring.

As a kind of optimal technical scheme of the utility model, the side of the arc snap-gauge is fixed with sand-proof net.

As a kind of optimal technical scheme of the utility model, elastic shock attenuation is fixed between the fixed cylinder and inner cylinder Cylinder.

As a kind of optimal technical scheme of the utility model, the side of first sealing block is fixed with by spring Second sealing block, second sealing block and fixed cylinder inner wall are rabbeted.

Compared with prior art, the utility model has the beneficial effects that a kind of mining flame-proof type submersible row of the utility model Being used cooperatively for husky electric pump male mechanical sealing base, arc snap-gauge and sand-proof net, can prevent silt from entering in mounting cylinder, to mud Sand is filtered, while can flexibly be dismantled and be cleared up sand-proof net；The inner cylinder being equipped with inside fixed cylinder, can further mention Leakproofness of the height to electric pump drinking-water pipe, the design that the first sealing block side is fixedly connected by spring with the second sealing block, spring Elastic force, can make inner cylinder closely with electric pump drinking-water pipe connect, improve sealing performance；Elastic shock attenuation cylinder can be to electric pump The vibration generated when work is sufficiently buffered, and vibration is avoided to generate gap, guarantees the sealability under different working condition.

Detailed description of the invention

Fig. 1 is the schematic diagram of the section structure of the utility model；

Fig. 2 is the inner tube structure schematic diagram of the utility model；

Fig. 3 is the sand-proof net structural schematic diagram of the utility model.

In figure: 1, mounting cylinder；2, mounting ring；3, the first sealing block；4, spring；5, the second sealing block；6, closed-loop；7, interior Cylinder；8, arc snap-gauge；9, sand-proof net；10, fixed cylinder；11, elastic shock attenuation cylinder.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of mining flame-proof type submersible sand discharging electric pump male mechanical sealing base, Including mounting cylinder 1, inner cylinder 7 and fixed cylinder 10, the inside of mounting cylinder 1 is interspersed to be equipped with electric pump drinking-water pipe, and the side of mounting cylinder 1 is fixed Equipped with fixed cylinder 10, the inside of fixed cylinder 10 is equipped with inner cylinder 7, and the outer wall of inner cylinder 7 is fixed with several the first sealing blocks 3, interior Cylinder 7 side successively rabbet there are two arc snap-gauge 8, the side of fixed cylinder 10 is fixed with closed-loop 6.

Preferably, an avris of mounting cylinder 1 is fixed with mounting ring 2, can be by sealing device and electricity using mounting ring 2 Pump case is fixedly connected.

Preferably, the side of arc snap-gauge 8 is fixed with sand-proof net 9, and sand-proof net 9 can carry out the silt of entrance Filter stops, and sand is avoided to enter inside electric pump.

Preferably, elastic shock attenuation cylinder 11 is fixed between fixed cylinder 10 and inner cylinder 7, elastic shock attenuation cylinder 11 can be to electric pump The vibration generated when work is sufficiently buffered, and vibration is avoided to generate gap, guarantees the sealing performance under different working condition.

Preferably, the side of the first sealing block 3 is fixed with the second sealing block 5 by spring 4, the second sealing block 5 with it is solid The interlocking of 10 inner wall of safety barrel, the elastic force of spring 4 can make inner cylinder 7 sufficiently compress with electric pump drinking-water pipe, guarantee seal degree.

When specifically used, a kind of mining flame-proof type submersible sand discharging electric pump male mechanical sealing base of the utility model, operator It can use mounting ring 2 to be fixedly connected seal receptacle and electric machine casing；In use, if once silt enters inner cylinder 7, Sand-proof net 9 can stop the sand in silt, and silt is avoided to enter in mounting cylinder 1, while can be flexibly by two arcs Snap-gauge 8 is extracted out, so that sand-proof net 9 be disassembled, is cleared up sand-proof net 9；Be equipped with inside fixed cylinder 10 several Two sealing blocks 5, one side pass through the first sealing block 3 that is fixed with of spring 4, can compress inner cylinder 7, thus improve inner cylinder 7 with The connectivity of electric pump drinking-water pipe avoids seeping water；The elastic shock attenuation plate 11 being equipped between inner cylinder 7 and fixed cylinder 10, can be in electric pump When work, abundant damping, buffering avoids generating gap because of vibration, guarantees the sealability under different working condition；Electric pump draws water When pipe rotates, the rotation of inner cylinder 7 will drive, so that several second sealing blocks 5 can be in the sliding slot of 10 inner wall of fixed cylinder Portion is slidably connected, the elastic force of spring 4, and the leakproofness of the second sealing block 5 and fixed cylinder 10 can be improved.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of mining flame-proof type submersible sand discharging electric pump male mechanical sealing base, including mounting cylinder (1), inner cylinder (7) and fixed cylinder (10), which is characterized in that the inside of the mounting cylinder (1) is interspersed to be equipped with electric pump drinking-water pipe, and the side of the mounting cylinder (1) is fixed Equipped with fixed cylinder (10), the inside of the fixed cylinder (10) is equipped with inner cylinder (7), and the outer wall of the inner cylinder (7) is fixed with several A first sealing block (3), the side of the inner cylinder (7) are successively rabbeted there are two arc snap-gauge (8), and the one of the fixed cylinder (10) Side is fixed with closed-loop (6).

2. a kind of mining flame-proof type submersible sand discharging electric pump male mechanical sealing base according to claim 1, it is characterised in that: One avris of the mounting cylinder (1) is fixed with mounting ring (2).

3. a kind of mining flame-proof type submersible sand discharging electric pump male mechanical sealing base according to claim 1, it is characterised in that: The side of the arc snap-gauge (8) is fixed with sand-proof net (9).

4. a kind of mining flame-proof type submersible sand discharging electric pump male mechanical sealing base according to claim 1, it is characterised in that: Elastic shock attenuation cylinder (11) are fixed between the fixed cylinder (10) and inner cylinder (7).

5. a kind of mining flame-proof type submersible sand discharging electric pump male mechanical sealing base according to claim 1, it is characterised in that: The side of first sealing block (3) is fixed with the second sealing block (5) by spring (4), second sealing block (5) and solid The interlocking of safety barrel (10) inner wall.