CN212479165U - Layered water stopping device for hydrogeology drilling - Google Patents

Abstract

The utility model discloses a layered water stop device for hydrogeological drilling, relating to the technical field of hydrogeological exploration; the bottom of the main sleeve is provided with a water inlet, a sealing screw cap is connected in the water inlet through threads, a lower limiting check ring is arranged on the outer lower side of the main sleeve, the outer side of the main sleeve is movably connected with a water stopping rubber ring, the upper end surface of the water stopping rubber ring is connected with an upper supporting plate, a plurality of connecting columns are uniformly connected on the inner edge of the upper supporting plate, the upper ends of the connecting columns are connected with the bottom of an adjusting nut, handles are symmetrically arranged on the outer side wall of the adjusting nut, the adjusting nut is connected with the outer threads of the main sleeve through threads, and one to three long water inlet grooves are formed in the outer lower side wall; the utility model can realize rapid adjustment, has high stability during adjustment, convenient use and simple and convenient operation, and can save time; simple structure can realize being suitable for dive and confined water and draw water, can raise the efficiency.

Description

Layered water stopping device for hydrogeology drilling

Technical Field

The utility model belongs to the technical field of hydrogeological exploration, concretely relates to be used for hydrogeological drilling layering sealing device.

Background

In hydrogeological exploration work, a pumping test is an important means for obtaining hydrogeological parameters and researching the underground water path-supplementing and drainage relation, and can provide basic parameters for water-rich division and underground water resource quantity calculation. With the continuous improvement of the accuracy of the hydrogeological exploration in China, two aquifers of diving and confined water are often involved in one hydrogeological drilling hole, and layered water pumping and layered observation are needed.

The existing layered water stopping device for hydrogeology drilling is inconvenient to install and disassemble, wastes time when being adjusted, and is poor in stability.

Disclosure of Invention

The problems that the existing layered water stopping device for hydrogeology drilling is inconvenient to mount and dismount, time is wasted during adjustment, and stability is poor are solved; an object of the utility model is to provide a be used for hydrogeology drilling layering sealing device.

The utility model discloses a layering water stopping device for hydrogeological drilling, which comprises a main sleeve, a sealing screw cap, a lower limiting retainer ring, a water stopping rubber ring, an upper supporting plate, a connecting column, an adjusting nut and a handle; the inlet opening has been seted up to the bottom of main sleeve pipe, there is sealed spiral shell lid in the inlet opening through threaded connection, spacing retaining ring down is installed to main sheathed tube outer lower side, main sheathed tube outside swing joint has stagnant water rubber circle, the up end of stagnant water rubber circle is connected with the backup pad, even being connected with the several spliced pole on the inward flange of going up the backup pad, the upper end and the adjusting nut's of several spliced pole bottom are connected, the handle is installed to the symmetry on adjusting nut's the lateral wall, adjusting nut passes through screw thread and main sheathed tube external screw thread connection, one to three microscler intake antrum has been seted up on the outer lower lateral wall of main sheathed.

Preferably, the inner hole of the water-stopping rubber ring is provided with a wear-resistant sleeve body.

Preferably, a seal ring body is mounted on the inner ring of the upper support plate.

Preferably, the outer side wall of the handle is provided with an anti-skid groove.

Preferably, the main sleeve, the lower limiting retainer ring, the upper supporting plate, the connecting column, the adjusting screw cap and the handle are all stainless steel.

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

the quick adjustment can be realized, the stability during adjustment is high, the use is convenient, the operation is simple and convenient, and the time can be saved;

secondly, simple structure can realize being suitable for dive and confined water and draw water, can raise the efficiency.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the middle water stop rubber ring and the upper support plate of the utility model;

fig. 3 is a state diagram of the utility model when the pressure-bearing water is pumped.

In the figure: 1-a main bushing; 2-sealing the screw cap; 3-lower limiting retainer ring; 4-water stop rubber ring; 5-an upper support plate; 6-connecting a column; 7-adjusting the screw cap; 8-a handle; 11-a long water inlet tank; 41-wear-resistant sleeve body; 51-seal ring body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

As shown in fig. 1 and 3, the following technical solutions are adopted in the present embodiment: the water-stop rubber sealing device comprises a main sleeve 1, a sealing screw cap 2, a lower limiting retainer ring 3, a water-stop rubber ring 4, an upper supporting plate 5, a connecting column 6, an adjusting screw cap 7 and a handle 8; inlet opening 3 has been seted up to main sleeve pipe 1's bottom, there is sealed spiral shell lid 2 through threaded connection in the inlet opening 3, spacing retaining ring 3 down is installed to main sleeve pipe 1's outer below, main sleeve pipe 1's outside swing joint has stagnant water rubber circle 4, the up end of stagnant water rubber circle 4 is connected with backup pad 5, even being connected with several spliced pole 6 on going up backup pad 5's the inward flange, the upper end and the bottom of adjusting nut 7 of several spliced pole 6 are connected, install handle 8 of symmetry on adjusting nut 7's the lateral wall, adjusting nut 7 passes through the external screw thread connection of screw thread with main sleeve pipe 1, the rotation of adjusting nut 7 can drive rising and the decline of stagnant water rubber circle 4, one to three microscler intake antrum 11 has been seted up on main sleeve pipe 1's the outer.

As shown in fig. 2, further, a wear-resistant sleeve body 41 is mounted on the inner hole of the water-stop rubber ring 4.

As shown in fig. 2, a seal ring body 51 is further mounted on the inner ring of the upper support plate 5, and the seal ring 51 can achieve sealing, thereby improving the sealing property between the upper support plate 5 and the main sleeve 1.

Furthermore, an anti-slip groove is arranged on the outer side wall of the handle 8.

Furthermore, the main sleeve 1, the lower limiting retainer ring 3, the upper support plate 5, the connecting column 6, the adjusting screw cap 7 and the handle 8 are all stainless steel.

The working principle of the specific embodiment is as follows: when the confined water is extracted, the adjusting nut is rotated to enable the water stop rubber ring 4 to be in contact with the lower limiting check ring 3, the sealing screw cap 2 is disassembled, a confined water level observation pipe for observing the confined water level at the lower part penetrates through the strip-shaped water inlet hole in the middle of the main sleeve 1, an external thread pipe is installed at the pipe head of the confined water level observation pipe, a raw material belt is wound outside the thread and is connected with the water inlet hole 11, the top of the main sleeve 1 is connected with a pump pipe, the main sleeve is hoisted by a drilling machine or a crane and slowly descends into the drill hole section by section to form a water outlet pipe of the pump pipe, the confined water level observation pipe and the submersible water level observation pipe simultaneously descend and are bound outside the pump pipe, and meanwhile the device needs to be matched.

When the equipment is put into a preset position in the drill hole, a certain weight is applied to the upper part, and the water-stopping rubber ring 4 is tightly attached to the hole wall, so that the effects of layered water pumping and layered observation are achieved.

As shown in fig. 3, when the equipment is put into a preset position in the drill hole, the position of the water-stopping rubber ring 4 is adjusted by rotating the adjusting screw cap 7, and when the water-stopping rubber ring is tightly attached to the hole wall, the effects of layered water pumping and layered observation are achieved; meanwhile, the pressure-bearing water level observation pipe and the diving level observation pipe can be matched for use, the existing water stopper needs to be matched, after the water pumping test is finished, the water stopper is disassembled, and layered water pumping and layered observation work is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a be used for hydrogeology drilling layering sealing device which characterized in that: comprises a main sleeve, a sealing screw cap, a lower limiting retainer ring, a water stop rubber ring, an upper supporting plate, a connecting column, an adjusting screw cap and a handle; the inlet opening has been seted up to the bottom of main sleeve pipe, there is sealed spiral shell lid in the inlet opening through threaded connection, spacing retaining ring down is installed to main sheathed tube outer lower side, main sheathed tube outside swing joint has stagnant water rubber circle, the up end of stagnant water rubber circle is connected with the backup pad, even being connected with the several spliced pole on the inward flange of going up the backup pad, the upper end and the adjusting nut's of several spliced pole bottom are connected, the handle is installed to the symmetry on adjusting nut's the lateral wall, adjusting nut passes through screw thread and main sheathed tube external screw thread connection, one to three microscler intake antrum has been seted up on the outer lower lateral wall of main sheathed.

2. The layered water stopping device for hydrogeological drilling according to claim 1, characterized in that: and an inner hole of the water stopping rubber ring is provided with a wear-resistant sleeve body.

3. The layered water stopping device for hydrogeological drilling according to claim 1, characterized in that: and a sealing ring body is arranged on the inner ring of the upper supporting plate.

4. The layered water stopping device for hydrogeological drilling according to claim 1, characterized in that: and the outer side wall of the handle is provided with an anti-skid groove.

5. The layered water stopping device for hydrogeological drilling according to claim 1, characterized in that: the main sleeve, the lower limiting retainer ring, the upper supporting plate, the connecting column, the adjusting nut and the handle are all stainless steel.

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