CN208650831U - Inverted well well-flushing constructing structure - Google Patents

Abstract

The utility model discloses a kind of inverted well well-flushing constructing structures, it applies in inverted well construction field, it solves when wanting quickly to pull upper air bag and lower gasbag, upper air bag and lower gasbag are by downward negative pressure, it is not easy to pull, the technical issues of to which cleaning effect cannot be reached very well, its key points of the technical solution are that including that inverted well inner wall and the vertical chimney filter of nozzle upwards is arranged in, filling is equipped with filter material layer between the chimney filter outer wall and soil layer, it is characterized in that, the chimney filter inner wall is hung with to be hung and the pull rod coaxial with chimney filter by loop wheel machine on ground, the pull rod outer wall is arranged with rubber piston piece, the pull rod outer wall is equipped with the installation part of fixed rubber piston piece, the rubber piston piece is annular and diameter is less than one to three millimeter of chimney filter diameter；What is had has the technical effect that the negative pressure for reducing and being subject to when pull rod is quickly pulled.

Description

Inverted well well-flushing constructing structure

Technical field

The utility model relates to inverted well construction field, in particular to a kind of inverted well well-flushing constructing structure.

Background technique

Currently, the Chinese patent that notification number is CN202596614U discloses further well-flushing in a kind of water source heat pump system Well washing apparatus, it include its include upper air bag, lower gasbag, immersible pump, pump line, frequency-variable controller, inflation sebific duct, water pump electricity Cable, air compressor, the immersible pump are placed between the upper air bag and the lower gasbag, and the upper air bag is equipped with through-hole, The pump line pass through the upper air bag on the through-hole connect with the immersible pump water outlet, the frequency-variable controller with it is described Air compressor is placed in above the upper air bag, and the water pump cable is passed through by the through-hole on the upper air bag, the water One end of pump cable is connect with the immersible pump signal input part, and the signal output end of the other end and the frequency-variable controller connects It connects, the air compressor is connected to by inflating sebific duct with the upper air bag and the lower gasbag.

Although this well washing apparatus can be cleaned further in water source heat pump system, soil, fine sand in the inverted well gravel bed of material Grain and remaining mud, but quick well-flushing is needed when in order to reach better cleaning effect, since upper air bag and lower gasbag are distinguished The inner wall for contacting at filter pipe, when wanting quickly to pull upper air bag and lower gasbag, upper air bag and lower gasbag are born by downward Pressure, is not easy to pull, to cannot reach cleaning effect very well.

Utility model content

The purpose of the utility model is to provide a kind of inverted well well-flushing constructing structures, its advantage is that: it is quick to reduce pull rod The negative pressure being subject to when pulling.

The above-mentioned technical purpose of the utility model technical scheme is that: a kind of inverted well well-flushing construction Structure is filled out between the chimney filter outer wall and the inverted well borehole wall including inverted well inner wall and the vertical chimney filter of nozzle upwards is arranged in It fills and is equipped with filter material layer, the chimney filter inner wall is hung with to be hung and the pull rod coaxial with chimney filter by loop wheel machine on ground, outside the pull rod Wall is arranged with rubber piston piece, and the pull rod outer wall is equipped with the installation part of fixed rubber piston piece；

The rubber piston piece is annular and diameter is less than one to three millimeter of chimney filter diameter.

Through the above technical solutions, pull rod is quickly pulled by loop wheel machine, so that being fixed on the rubber piston on pull rod Piece fast moves, and rubber piston piece, which fast moves, generates biggish pressure change, thus by tiny miscellaneous in filter material layer outside chimney filter Matter is sucked out, and achievees the purpose that well-flushing, because rubber piston piece diameter is less than one to three millimeter of chimney filter diameter not sealing completely Chimney filter is closed, so will not cause not pulling because the downward negative pressure being subject to is too big quickly pulling rubber piston piece, Lead to generate suction because rubber piston piece is not excessive at a distance from chimney filter inner wall again, reaches the requirement of well-flushing, it is real The negative pressure for reducing and being subject to when pull rod is quickly pulled is showed.

The utility model is further arranged to: the installation part includes being fixed on pull rod outer wall and along pull rod circumferential direction The lower mounting circular ring in direction, sliding sleeve is equipped with the upper mounting circular ring for being parallel to lower mounting circular ring on the pull rod outer wall, it is described on Mounting circular ring and lower mounting circular ring clamp rubber piston piece, are threaded between the upper mounting circular ring and lower mounting circular ring Several clamping screws along rod length directional spreding, the clamping screw pass through upper mounting circular ring, rubber piston piece and lower peace Dress annulus rear thread is connected with locking nut.

Through the above technical solutions, the cooperation of clamping screw and locking nut is so that movable upper mounting circular ring is limited originally It is fixed, so that fixing clamp handles rubber piston piece.

The utility model is further arranged to: the lower mounting circular ring side wall is circumferentially with several compactings along pull rod in one week Bar, the pressing rod extend to the edge of rubber piston piece downside far from one end of lower mounting circular ring.

Through the above technical solutions, pressing rod can be further reduced rubber piston piece because quickly when pulling pull rod Mobile and deformation by negative pressure generation, to increase cleaning effect.

The utility model is further arranged to: the pressing rod is equipped with circular arc chamfering far from one end of lower mounting circular ring.

Through the above technical solutions, when rubber piston piece is forced on pressing rod by negative pressure, circular arc chamfering can be with Reduce the injury that rubber piston piece is subject to.

The utility model is further arranged to: the installation part includes being fixed on pull rod outer wall and along pull rod circumferential direction The fixed installation annulus in direction, the fixed installation annulus upper side are equipped with several hemisphere juts, the rubber piston piece downside Face offers the accommodating chamber for hemisphere jut insertion, and the accommodating chamber volume is less than the volume of hemisphere jut.

Through the above technical solutions, rubber piston when the hemisphere jut and accommodating chamber of interference fit ensure that normal use Piece is not fallen out, while rubber piston piece is mainly subject to downward force when well-flushing, and annulus is fixedly mounted and has just stopped rubber work The movement tendency of patch.

The utility model is further arranged to: the fixed installation annulus upper side edge is equipped with several into rubber piston The restriction bar of piece.

It is defined when transverse shifting occurs for rubber piston piece through the above technical solutions, limiting bar from bar is limited to pull rod Between rubber piston piece displacement.

The utility model is further arranged to: it is 2 millis that the rubber piston piece upper side, which is 4~8 diameters equipped with quantity, The through-hole of rice.

Through the above technical solutions, through-hole increases flexibility of the rubber piston piece when quickly being pulled simultaneously and will not Influence the negative-pressure adsorption effect that rubber piston piece generates.

The utility model is further arranged to: be threaded under the pull rod with the consistent secondary bar of pull rod shape, it is described Installation part and rubber piston piece are arranged in secondary bar outer wall.

Through the above technical solutions, two groups of installations by the gap between rubber piston piece can preferably generate absorption it is miscellaneous The negative pressure space of matter.

The utility model is further arranged to: the chimney filter nozzle is removably connected with hollow out cover board by demounting bolt, The vertical sleeve covered in pull rod outer wall is equipped among the hollow out cover board.

Through the above technical solutions, vertical sleeve can limit pull rod direction of displacement can only vertical shift, to subtract The few movement of pull rod horizontally, reduces the abrasion of rubber piston piece and chimney filter inner wall.

The utility model is further arranged to: the sleeve lining is equipped with the ball for contacting at pull rod outer wall.

Through the above technical solutions, the sliding friction between pull rod and sleeve is converted rolling friction by ball, reduce Nocuousness friction.

In conclusion the utility model has the following beneficial effects:

1. to pull rubber piston by setting 1~3mm for the distance between rubber piston piece and chimney filter inner wall Piece will not cause not pulling because the downward negative pressure being subject to is too big, while again because of rubber piston piece and chimney filter inner wall Distance is not excessive and leads to generate biggish suction, realizes the negative pressure for reducing and being subject to when pull rod is quickly pulled；

2. limiting the moving direction of pull rod by the sleeve being arranged, reduce because rubber is living caused by pull rod is swung The abrasion of patch and chimney filter inner wall.

Detailed description of the invention

Fig. 1 is the overall structure diagram of embodiment 1；

Fig. 2 is the schematic diagram of 1 rubber piston piece of embodiment；

Fig. 3 is the structural schematic diagram of secondary bar in embodiment 1；

Fig. 4 is the structural schematic diagram of 1 installation part of embodiment；

Fig. 5 is the structural schematic diagram of sleeve vertical in embodiment 1；

Fig. 6 is the structural schematic diagram of ball in embodiment 1；

Fig. 7 is the structural schematic diagram of installation part in embodiment 2.

Appended drawing reference: 1, the inverted well borehole wall；11, chimney filter；12, filter material layer；13, loop wheel machine；14, pull rod；15, rubber piston Piece；2, installation part；21, lower mounting circular ring；22, upper mounting circular ring；23, clamping screw；24, locking nut；25, circle is fixedly mounted Ring；26, hemisphere jut；27, accommodating chamber；31, pressing rod；32, circular arc chamfering；33, bar is limited；34, through-hole；35, secondary bar；36, Hollow out cover board；37, sleeve；38, ball；39, demounting bolt；41, connecting rod.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment 1:

A kind of inverted well well-flushing constructing structure, with reference to Fig. 1 and Fig. 2, the vertical chimney filter 11 including inverted well inner wall is arranged in, Chimney filter 11 is consistent with inverted well inner wall shape and nozzle upward and extends ground, between 11 outer wall of chimney filter and the inverted well borehole wall 1 Filling is equipped with filter material layer 12, is hung with the pull rod 14 coaxial with chimney filter 11 in chimney filter 11.Pull rod 14 extends 11 nozzle of chimney filter One end is hung by the loop wheel machine 13 on ground, and 14 outer wall of pull rod is arranged with rubber piston piece 15, and pull rod 14 is by being arranged in pull rod 14 The installation part 2 of outer wall is fixed (such as Fig. 4) by rubber piston piece 15.Rubber piston piece 15 is consistent with 14 diameter of section of pull rod in internal diameter Annular, the outer diameter of rubber piston piece 15 is less than one to three millimeter of 11 diameter of chimney filter, and rubber piston piece 15 is outer in embodiment 1 Diameter is less than two millimeters of 11 diameter of chimney filter.

In work progress, operator pulls pull rod 14 by loop wheel machine 13, and pull rod 14 is quickly pulled, and is fixed to drive Rubber piston piece 15 outside pull rod 14 is quickly pulled, due between rubber piston piece 15 and chimney filter 11 there are gap rather than It is fully sealed, so the negative pressure of 15 lower section of rubber piston piece will not arrive greatly so that rubber piston piece during quick pull 15 can not move, while cause to generate larger because rubber piston piece 15 is not excessive at a distance from 11 inner wall of chimney filter again Suction, suction by the outer filter material layer 12 of chimney filter 11 fine impurities be sucked out, achieve the purpose that well-flushing, increase the saturating of inverted well Water efficiency realizes the negative pressure for reducing and being subject to when pull rod 14 is quickly pulled.

With reference to Fig. 4, installation part 2 includes being fixed at mounting circular ring 22 on 14 outer wall of pull rod, and lower mounting circular ring 21 is horizontal And be distributed along 14 circumferential direction of pull rod, sliding sleeve is equipped with the upper mounting circular ring for being parallel to lower mounting circular ring 21 on 14 outer wall of pull rod 22, upper mounting circular ring 22 and lower 21 cross section of mounting circular ring are in the same size.The downside of upper mounting circular ring 22 and lower mounting circular ring 21 upper side clamps rubber piston piece 15, is threaded with clamping screw between upper mounting circular ring 22 and lower mounting circular ring 21 23, clamping screw 23 is distributed along 14 length direction of pull rod and sequentially passes through upper mounting circular ring 22, rubber piston piece 15 and lower installation 21 rear thread of annulus is connected with locking nut 24, locking nut 24 contact at lower mounting circular ring 21 downside,

In installation process, rubber piston piece 15 on 14 outer wall of pull rod, is then put 15 sets of rubber piston piece by operator It sets on fixed lower mounting circular ring 21, later by 22 sets of upper mounting circular ring on 14 outer wall of pull rod, clamping screw 23 is worn later Cross mounting circular ring 22, rubber piston piece 15 and the connection of lower 21 rear thread of mounting circular ring and locking nut 24, this mode is simple, Reliably, easy to maintain.

With reference to Fig. 4, in order to reduce rubber piston piece 15 when being pulled upwardly because shape is occurred by downward negative pressure Become, to influence cleaning effect, was circumferentially with several pressing rods 31, pressing rod along pull rod 14 at lower 21 side wall of mounting circular ring one week 31 one end far from lower mounting circular ring 21 extend to the edge of 15 downside of rubber piston piece.

In operating process, rubber piston piece 15 when pull rod 14 is quickly pulled still to will receive some downward negative pressure, thus Deformation occurs, and the distance between rubber piston piece 15 and chimney filter 11 is caused to become larger, to reduce cleaning effect, pressing rod 31 can be with Occur to prevent partial deformation before downward deformation in rubber piston piece 15, to increase cleaning effect.

With reference to Fig. 4, an end margin of the pressing rod 31 far from lower mounting disc is hurt in rubber piston 15 deformation of piece in order to prevent Evil arrives the downside of rubber piston piece 15, circular arc chamfering 32 is equipped with far from one end of lower mounting circular ring 21 in pressing rod 31, in rubber Glue piston sheet 15 is when deformation occurs, circular arc chamfering 32 make it is round and smooth between rubber piston piece 15 and pressing rod 31 contact, to subtract Injury of the pressing rod 31 for rubber piston piece 15 is lacked.

With reference to Fig. 4 and Fig. 7, it is contemplated that the distance between rubber piston piece 15 and 11 inner wall of chimney filter are smaller, when occur because For 11 inner wall of chimney filter is rough and to when causing the distance between the rubber piston piece 15 and 11 inner wall of chimney filter to change, rubber is living The negative pressure that patch 15 is subject to increases, and in order to cope with such case, being equipped with quantity in 15 upper side of rubber piston piece is 4~8 straight The through-hole 34 that diameter is 2 millimeters, is equipped with 6 through-holes 34 in embodiment 1, and through-hole 34 penetrates through the downside of rubber piston piece 15.

In the course of work, the gap between 11 inner wall of rubber piston piece 15 and chimney filter reduces, and is capable of the logical of circulation airflow Hole 34 allows rubber piston piece 15 to continue quickly to be pulled, to play higher cleaning effect.

With reference to Fig. 3, although the change pressure that single rubber piston piece 15 plays the role of can play preferable cleaning effect Fruit, but in order to enhance cleaning effect, be threaded with and draw in the threaded hole that 14 lower end of pull rod is located at 14 therein of pull rod 14 shape of bar consistent secondary bar 35 equally has in secondary bar 35 with installation part 2 consistent on pull rod 14 and fixed with mounted piece 2 Rubber piston piece 15.

In the course of work, during pulling pull rod 14, secondary bar 35 is also moved, so that two rubber piston pieces 15 are same When be pulled, the gap between two rubber piston pieces 15 for the impurity in inswept 11 inner wall of chimney filter have stronger absorption Power, to increase cleaning effect.

It is being filtered with reference to Fig. 5 in order to limit the shaking of pull rod 14 in the horizontal direction during pull rod 14 moves up 11 upper end tube nozzle position of pipe is provided with the hollow out cover board 36 of annular, and hollow out cover board 36 is threadedly coupled by demounting bolt 39, dismantles spiral shell The edge rear thread that bolt 39 passes through 36 upper side of hollow out cover board is connected to 11 nozzle upper side of chimney filter, and 36 inner wall of hollow out cover board passes through Connecting rod 41 is equipped with vertical sleeve 37, and vertical 37 sets of sleeve in 14 outer wall of pull rod.

In the course of work, pull rod 14 is limited the direction of displacement of pull rod 14 by vertical sleeve 37 in vertical sleeve 37 Can only vertical shift, to reduce the shaking of pull rod 14 horizontally, to reduce rubber piston piece 15 and 11 inner wall of chimney filter Abrasion.

With reference to Fig. 6, sliding friction when friction mode between 37 inner wall of 14 outer wall of pull rod and sleeve, 14 long-time of pull rod exists 37 inner wall of sleeve can be worn when mobile because of prolonged friction, in order to reduce this abrasion.It is equipped with and supports in 37 inner wall of sleeve The ball 38 of touching and 14 outer wall of pull rod, the sliding friction between pull rod 14 and sleeve 37 are converted into rolling friction, reduce nocuousness Friction.

Embodiment 2:

A kind of inverted well well-flushing constructing structure, with reference to Fig. 7, difference from Example 1 is that installation part 2 includes that fixation is set It sets on 14 outer wall of pull rod and along the fixed installation annulus 25 of 14 circumferential direction of pull rod, 25 level of annulus and cross section is fixedly mounted For circle, hemisphere jut 26 there are six setting, rubber are fixedly mounted along the circumferencial direction of 25 upper side of annulus edge fixed installation annulus 25 15 downside of glue piston sheet is equipped with 26 meaning of hemisphere jut shape and spherical male to the accommodating chamber 27 of drink, inside accommodating chamber 27 Rise 26 shape it is consistent and accommodating chamber 27 is embedded in for hemisphere jut 26.

In the course of work, flexible rubber piston piece 15 is placed into and is fixedly mounted on annulus 25 by operator, will hold Chamber 27 of receiving is corresponding with hemisphere jut 26, by pressing rubber piston piece 15, so that hemisphere jut 26 enters accommodating chamber 27, holds at this time Chamber 27 of receiving includes more than half hemisphere jut 26, when the hemisphere jut 26 and accommodating chamber 27 of interference fit ensure that normal use Rubber piston piece 15 is not fallen out, while rubber piston piece 15 is main subject to downward force when well-flushing, and annulus 25 is fixedly mounted With regard to having stopped the movement tendency of rubber piston piece 15.

With reference to Fig. 7, the flat displacement of unboiled water and fold are issued in order to reduce rubber piston piece 15 in lower section suction function, solid Determine the restriction bar 33 that 25 upper side edge of mounting circular ring enters rubber piston piece 15 equipped with the six roots of sensation, the six roots of sensation limits bar 33 and pacifies fixed Dress 25 upper side of annulus forms the circle with fixed installation 25 concentric of annulus.

In the course of work, limits bar 33 and defined when transverse shifting occurs for rubber piston piece 15 from bar 33 is limited to pull rod Rubber piston piece 15 between 14, so that only 15 edge of rubber piston piece is to the rubber piston limited between the circle that surrounds of bar 33 Piece 15 can be subjected to displacement.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (10)

1. a kind of inverted well well-flushing constructing structure, including inverted well inner wall and the vertical chimney filter (11) of nozzle upwards is arranged in, Filling is equipped with filter material layer (12) between chimney filter (11) outer wall and the inverted well borehole wall (1), which is characterized in that the chimney filter (11) Inner wall is hung with to be hung and the pull rod (14) coaxial with chimney filter (11), pull rod (14) outer wall are arranged with rubber by loop wheel machine (13) Piston sheet (15), pull rod (14) outer wall are equipped with the installation part (2) of fixed rubber piston piece (15)；

The rubber piston piece (15) is annular and diameter is less than one to three millimeter of diameter of chimney filter (11).

2. inverted well well-flushing constructing structure according to claim 1, which is characterized in that the installation part (2) includes fixing It is arranged on pull rod (14) outer wall and sliding along the lower mounting circular ring (21) of pull rod (14) circumferential direction, pull rod (14) outer wall It is dynamic to be arranged the upper mounting circular ring (22) for being parallel to lower mounting circular ring (21), the upper mounting circular ring (22) and lower mounting circular ring (21) it clamps rubber piston piece (15), is threaded between the upper mounting circular ring (22) and lower mounting circular ring (21) several Along the clamping screw (23) of pull rod (14) length direction distribution, the clamping screw (23) passes through upper mounting circular ring (22), rubber Piston sheet (15) and lower mounting circular ring (21) rear thread are connected with locking nut (24).

3. inverted well well-flushing constructing structure according to claim 2, which is characterized in that lower mounting circular ring (21) side wall It is circumferentially with several pressing rods (31) along pull rod (14) within one week, the pressing rod (31) is prolonged far from the one end of lower mounting circular ring (21) Extend to the edge of rubber piston piece (15) downside.

4. inverted well well-flushing constructing structure according to claim 3, which is characterized in that the pressing rod (31) is far from lower peace The one end for filling annulus (21) is equipped with circular arc chamfering (32).

5. inverted well well-flushing constructing structure according to claim 1, which is characterized in that the installation part (2) includes fixing It is arranged on pull rod (14) outer wall and along the fixed installation annulus (25) of pull rod (14) circumferential direction, the fixed installation annulus (25) upper side is equipped with several hemisphere juts (26), and rubber piston piece (15) downside offers embedding for hemisphere jut (26) The accommodating chamber (27) entered, accommodating chamber (27) volume are less than the volume of hemisphere jut (26).

6. inverted well well-flushing constructing structure according to claim 5, which is characterized in that on the fixed installation annulus (25) Lateral edge is equipped with several restriction bars (33) for entering rubber piston piece (15).

7. inverted well well-flushing constructing structure according to claim 6, which is characterized in that on the upside of the rubber piston piece (15) It is the through-hole (34) that 4~8 diameters are 2 millimeters that face, which is equipped with quantity,.

8. inverted well well-flushing constructing structure according to claim 1, which is characterized in that be threadedly coupled under the pull rod (14) Have with the consistent secondary bar of pull rod (14) shape (35), the installation part (2) and rubber piston piece (15) be arranged secondary bar (35) outside Wall.

9. inverted well well-flushing constructing structure according to claim 1, which is characterized in that chimney filter (11) nozzle is by tearing open It unloads bolt (39) to be removably connected with hollow out cover board (36), is equipped with to cover among the hollow out cover board (36) and be erected in pull rod (14) outer wall Straight sleeve (37).

10. inverted well well-flushing constructing structure according to claim 9, which is characterized in that sleeve (37) inner wall is equipped with Contact at the ball (38) of pull rod (14) outer wall.