CN212389295U - Mud water extraction device - Google Patents

Abstract

The application provides a muddy water extraction device, which comprises a sleeve and a base connected with one end of the sleeve; the base is provided with an opening; the cover plate is used for covering the opening and the limit stop is used for limiting the rotation angle of the cover plate; the opening is communicated with the sleeve, and the cover plate is hinged on the side surface of the base facing the sleeve. According to the mud-water drilling device, the opening is formed in the base, and when the sleeve extends into the drill hole, mud water at the bottom of the hole pushes the cover plate open under the action of pressure and enters the sleeve from the opening; in the process that the sleeve pipe rises, under the pressure effect of limit stop self gravity and muddy water, can compress tightly the apron on the trompil, realize the covering to the trompil, prevent to leak. The rotation angle of the cover plate can be limited through the limit stop, and the phenomenon that the cover plate cannot reset due to overlarge rotation is avoided. Therefore, the muddy water extraction device can quickly extract the muddy water at the bottom of the hole, so that an operator can comprehensively judge the defects at the bottom of the pile through the camera device conveniently, and the influence degree on the camera device is small.

Description

Mud water extraction device

Technical Field

The application belongs to the technical field of engineering drilling, more specifically says, relates to a muddy water extraction device.

Background

Present water drilling machine is when the core is got in drilling, if meet pile body defect and press from both sides mud or when the layer of holding power of stake is unfavorable situations such as strong morals and manners, the inside muddy water of drilling is more, can block downthehole camera device's sight, makes operating personnel can't see pile body defect clearly, and when especially being close the hole bottom, bottom muddy water makes operating personnel can't the accuracy judge the distance of hole bottom and pile body tip, not only easily causes downthehole camera device's damage, also is difficult to synthesize the judgement to the pile bottom defect.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a muddy water extraction device to muddy water in the drilling that exists among the solution correlation technique blocks camera device's sight, easily causes camera device to damage, is difficult to carry out the problem of comprehensive judgement to the pile bottom defect.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

providing a muddy water extraction device, which comprises a sleeve and a base connected with one end of the sleeve; the base is provided with an opening; the muddy water extraction device also comprises a cover plate used for covering the opening and a limit stop used for limiting the rotation angle of the cover plate; the opening is communicated with the sleeve, the cover plate is hinged to the side face, facing the sleeve, of the base, and the limit stop is installed on the base.

In one embodiment, the muddy water extracting apparatus further comprises a magnet block for adsorbing a metal object, the magnet block being mounted on the base.

In one embodiment, a groove is formed in the side surface of the base facing the sleeve, the opening is formed in the bottom surface of the groove, the cover plate is hinged to the bottom surface of the groove, and the limit stop is installed on the inner side wall of the groove.

In one embodiment, the muddy water extracting apparatus further comprises a filter net installed in the opening.

In one embodiment, a first step portion is arranged on the inner side wall of one end, close to the base, of the sleeve, and a second step portion connected with the first step portion in a matched mode is correspondingly arranged on the base.

In another embodiment, the muddy water extraction device further comprises a connecting pipe sleeved on the sleeve, a first retaining ring and a second retaining ring are convexly arranged on the inner side wall of the connecting pipe, and the first retaining ring and the second retaining ring are arranged at intervals; and a third retaining ring for retaining the first retaining ring or the second retaining ring is arranged on the peripheral surface of the sleeve, and the third retaining ring is arranged between the first retaining ring and the second retaining ring.

In one embodiment, the outer circumferential surface of the sleeve is provided with a positioning groove along the axial direction of the sleeve, and the inner side wall of the connecting pipe is provided with a positioning block extending into the positioning groove.

In one embodiment, the muddy water extraction device comprises at least two connecting pipes which are coaxially sleeved, and the inner side wall of each connecting pipe is convexly provided with the first retaining ring and the second retaining ring; two adjacent connecting pipes: and the outer peripheral surface of the connecting pipe positioned on the inner layer is provided with an anti-falling ring for stopping the first baffle ring or the second baffle ring of the connecting pipe positioned on the outer layer.

In still another embodiment, the muddy water extraction device further comprises an extension pipe sleeved on the sleeve, a first guide groove is formed in the outer side wall of the sleeve along the axial direction of the sleeve, and a guide block extending into the first guide groove is mounted on the inner side wall of the extension pipe; and a second guide groove for the guide block to slide into is further formed in the outer side wall of the sleeve along the circumferential direction of the sleeve, and the first guide groove is communicated with the second guide groove.

In yet another embodiment, the mud water extracting apparatus further comprises a piston installed in the sleeve and a push rod connected to the piston.

One or more technical solutions in the embodiments of the present application have at least one of the following technical effects: according to the mud-water drilling device, the opening is formed in the base, and when the sleeve extends into the drill hole, mud water at the bottom of the hole pushes the cover plate open under the action of pressure and enters the sleeve from the opening; in the process that the sleeve pipe rises, under the pressure effect of limit stop self gravity and muddy water, can compress tightly the apron on the trompil, realize the covering to the trompil, prevent to leak. The rotation angle of the cover plate can be limited through the limit stop, and the phenomenon that the cover plate cannot reset due to overlarge rotation is avoided. Therefore, the muddy water extraction device can quickly extract the muddy water at the bottom of the hole, so that an operator can comprehensively judge the defects at the bottom of the pile through the camera device conveniently, and the influence degree on the camera device is small.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a mud water extracting device according to a first embodiment of the present disclosure;

FIG. 2 is an exploded view of a mud water extracting device according to an embodiment of the present disclosure;

FIG. 3 is a top view of the mud water extracting apparatus according to an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of a mud water extracting device according to a first embodiment of the present application;

FIG. 5 is an exploded view of FIG. 4;

FIG. 6 is a schematic cross-sectional view of a front view of the mud water extracting apparatus according to the first embodiment of the present application;

FIG. 7 is a schematic structural view of a mud water extracting device according to a second embodiment of the present application;

FIG. 8 is a schematic sectional view of a front view of a muddy water extracting apparatus provided in the second embodiment of the present application;

fig. 9 is a schematic structural diagram of a bushing provided in the second embodiment of the present application;

FIG. 10 is a cross-sectional view of a connecting tube according to the second embodiment of the present application;

fig. 11 is a top view of a connection tube according to the second embodiment of the present application;

FIG. 12 is a schematic cross-sectional view of a muddy water extraction device provided in the third embodiment of the present application;

fig. 13 is a schematic structural diagram of a bushing provided in the third embodiment of the present application;

FIG. 14 is a cross-sectional view of an extension pipe provided in accordance with a third embodiment of the present application;

fig. 15 is an exploded schematic view of a cross-sectional schematic view of a muddy water extraction device provided in the fourth embodiment of the present application.

Wherein, in the drawings, the reference numerals are mainly as follows:

1-a sleeve; 11-a first step; 12-connecting buckles; 120-a via hole; 13-a third retaining ring; 14-a positioning groove; 15-a first guide groove; 16-a second guide groove;

2-a base; 20-opening pores; 21-a groove; 22-a second step; 23-a spacing step;

3-connecting pipe; 31-a first stop ring; 32-a second baffle ring; 33-positioning blocks;

4-an extension tube; 41-a guide block;

5-cover plate; 6-limit stop block; 7-a magnet block; 8-a filter screen; 9-a piston; 10-push rod.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The first embodiment is as follows:

referring to fig. 2 to 4, a mud water extracting apparatus according to a first embodiment of the present application will now be described. The muddy water extraction device comprises a sleeve 1 with an accommodating cavity and a base 2 connected with one end of the sleeve 1; the base 2 is provided with an opening 20 communicated with the accommodating cavity of the sleeve 1. The muddy water extraction device also comprises a cover plate 5 used for covering the opening 20 and a limit stop 6 used for limiting the rotation angle of the cover plate 5; the cover plate 5 is hinged on the side surface of the base 2 facing the containing cavity of the sleeve 1, and the limit stop 6 is arranged on the base 2. Wherein, sleeve pipe 1 is connected for dismantling with base 2, if through bolted connection, buckle connection etc. is convenient for realize base 2's quick assembly disassembly to and change the drill bit, realize drilling operation, realize muddy water extraction element's multipurpose. According to the structure, the opening 20 is formed in the base 2, and when the sleeve 1 extends into a drill hole, mud water at the bottom of the hole pushes the cover plate 5 open under the action of pressure and enters the sleeve 1 from the opening 20; in the process that the sleeve 1 rises, the cover plate 5 can be pressed on the opening 20 under the action of the self gravity of the limit stop 6 and the pressure of muddy water, so that the opening 20 is covered, and water leakage is prevented. Consequently, can realize drawing the hole bottom muddy water fast through this muddy water extraction device, make things convenient for operating personnel to survey the pile bottom through camera device, little to camera device's influence degree.

In an embodiment, referring to fig. 2 and 3, as an embodiment of the mud water extracting apparatus provided in the embodiment of the present application, the mud water extracting apparatus further includes a magnet block 7 for adsorbing metal objects, and the magnet block 7 is mounted on the base 2, specifically, on a side surface of the base 2 facing the casing 1. According to the structure, the magnet block 7 can adsorb residual metal residues at the bottom of the hole, so that the follow-up friction and abrasion between the drill bit and the metal residues in the drilling process are avoided, the drilling quality and efficiency can be improved, and the drill bit is effectively protected. The magnets 7 can be distributed in a ring-shaped array along the outer side of the opening 20, thereby improving the adsorption effect on the metal residues. The magnet block 7 can be a neodymium iron boron magnet and has extremely strong adsorption capacity. In other embodiments, the magnet blocks 7 may also be disposed on the inner side wall of the casing 1, and the installation position, type, number, etc. of the magnet blocks 7 may be adjusted according to actual needs, which is not limited herein.

In an embodiment, please refer to fig. 5 and 6, as a specific implementation manner of the muddy water extracting apparatus provided in the embodiment of the present application, a groove 21 is formed on a side surface of the base 2 facing the casing 1, an opening 20 is formed on a bottom surface of the groove 21, the cover plate 5 is hinged on the bottom surface of the groove 21, and the limit stop 6 is mounted on an inner side wall of the groove 21. According to the structure, the limiting step part 23 is formed between the inner side wall of the groove 21 and the opening hole 20, the cross section area of the bottom surface of the groove 21 is larger than that of the opening hole 20, the cross section area of the cover plate 5 is larger than that of the opening hole 20, and the cross section area of the cover plate 5 is smaller than that of the bottom surface of the groove 21. When the cover plate 5 blocks the opening hole 20, the cover plate 5 is located on the position-limiting stepped portion 23, so that the sealing effect on the opening hole 20 can be improved. The cover plate 5 can be hinged with the base 2 through a rotating shaft; the limit stop 6 can be a polygon, such as a triangular prism, a cuboid, a cube, a hexagonal prism, etc., and can limit the rotation angle of the cover plate 5 to be 0-90 degrees, so that the rotation angle of the cover plate 5 is prevented from being larger than 90 degrees, and the self-sealing locking of the opening 20 can not be realized. In other embodiments, the shape, configuration, installation position, type, number, etc. of the limit stoppers 6 can be adjusted according to actual needs, for example, the limit stoppers 6 can also be disposed on the inner side wall of the sleeve 1, etc., and are not limited herein.

In some embodiments, the cover plate 5 may be connected to a driving mechanism, and the driving mechanism drives the cover plate 5 to move laterally, so that the opening 20 is covered by the lateral movement of the cover plate 5. Compared with the cover plate 5 which covers the opening 20 through rotation in the vertical direction, when the muddy water extracting device ascends, part of muddy water still flows out of the opening 20, and the muddy water is extracted repeatedly for many times, so that the muddy water extracting efficiency is affected. Cover the trompil 20 through actuating mechanism drive apron 5 lateral shifting realization, muddy water can not flow out from trompil 20, can improve the extraction efficiency of muddy water. In still other embodiments, the cover plates 5 and the driving mechanisms connected to the cover plates 5 may be respectively disposed at two sides of the opening 20, and the cover plates 5 are moved toward and laterally under the action of the corresponding driving mechanisms to cover the opening 20. In still other embodiments, the driving mechanism can drive the cover plate 5 to rotate in the horizontal plane to cover the opening 20.

In an embodiment, referring to fig. 5, as a specific implementation of the muddy water extracting apparatus provided in the embodiment of the present application, the muddy water extracting apparatus further includes a filter screen 8 installed in the opening 20. This structure can filter the great diameter's such as the great stone of size foreign matter through filter screen 8, avoids the foreign matter to hinder the normal work of apron 5. The size of the filtering holes of the filtering net 8 can be adjusted according to actual needs, and is not limited herein. In some embodiments, the filter screen 8 may be connected to a driving mechanism, and the driving mechanism may be used to move in a horizontal plane, so as to cover and open the opening 20. In some embodiments, the filter screen 8 is rotatably mounted on the base 2 and is rotated by the driving mechanism to cover and uncover the opening 20.

In an embodiment, please refer to fig. 5, as a specific implementation manner of the muddy water extracting device provided in the first embodiment of the present application, a first step portion 11 is disposed on an inner side wall of one end of the sleeve 1 close to the base 2, and a second step portion 22 connected to the first step portion 11 is correspondingly disposed on the base 2. With the structure, the quick positioning and installation of the sleeve 1 and the base 2 can be realized through the first step part 11 and the second step part 22, and the connection reliability of the sleeve 1 and the base 2 is improved. In some embodiments, a clamping groove is formed at one end of the casing 1 facing the base 2, and an inserting plate extending into the clamping groove is correspondingly arranged on the base 2, so that the casing 1 and the base 2 can be quickly and fixedly assembled and disassembled.

In an embodiment, please refer to fig. 1 and fig. 6, as a specific implementation of the muddy water extracting apparatus provided in the embodiment of the present application, the muddy water extracting apparatus further includes a connecting buckle 12 for connecting the casing 1 with an external device, and the connecting buckle 12 is installed at an end of the casing 1 away from the base 2. This structure can conveniently be connected sleeve pipe 1 and outside hoisting device through connector link 12, realizes the lift control to sleeve pipe 1. Wherein, the connecting buckle 12 is provided with a through hole 120 for the steel strand to pass through. The quantity of connector link 12 is two, and two connector links 12 are the symmetric distribution with the axis of sleeve pipe 1, improve the equilibrium that sleeve pipe 1 goes up and down. In other embodiments, the number, installation position, etc. of the connecting buckles 12 can be adjusted according to actual needs, and are not limited herein.

Example two:

referring to fig. 7, 9 and 10, a mud water extracting apparatus according to a second embodiment of the present application will now be described. The muddy water extraction device that this application embodiment two provided differs with the muddy water extraction device that above-mentioned embodiment one provided: the muddy water extraction device also comprises a connecting pipe 3 sleeved on the sleeve 1, the inner side wall of the connecting pipe 3 is respectively provided with a first retaining ring 31 and a second retaining ring 32 in a protruding way towards the direction of the sleeve 1, and the first retaining ring 31 and the second retaining ring 32 are arranged at intervals; the outer peripheral surface of the sleeve 1 is provided with a third retaining ring 13 which is used for being matched with the first retaining ring 31 or the second retaining ring 32 for retaining so as to limit the moving stroke of the connecting pipe 3, and the third retaining ring 13 is arranged between the first retaining ring 31 and the second retaining ring 32. This structure, through establish connecting pipe 3 on sleeve pipe 1, can increase muddy water extraction device's whole diameter to can adapt to the drilling of different size. Moreover, when the mud water extraction device extends into the drill hole, the connecting pipe 3 at the outer side can be attached to the inner side wall of the drill hole, so that the influence of mud on the inner side wall of the drill hole on the mud water extraction of the mud water extraction device on the hole bottom can be prevented; the sleeve 1 can move up and down on the connecting pipe 3, and the connecting pipe 3 plays a role of directionally guiding the sleeve 1, so that the reliability of up-and-down movement of the sleeve 1 is improved. The third retaining ring 13 may be disposed at the top end of the sleeve 1, the first retaining ring 31 and the second retaining ring 32 may be disposed at two ends of the connecting pipe 3, respectively, and the third retaining ring 13 may be respectively engaged with the first retaining ring 31 and the second retaining ring 32, so as to prevent the connecting pipe 3 from being separated from the sleeve 1.

In some embodiments, at least two connecting pipes 3 may be sequentially and coaxially sleeved on the casing 1, that is, the connecting pipe 3 is sleeved on the casing 1, and the connecting pipe 3 is sleeved on the connecting pipe 3. A first retaining ring 31 and a second retaining ring 32 are convexly arranged on the inner side wall of each connecting pipe 3; in two adjacent connecting tubes 3: the outer circumferential surface of the inner connecting pipe 3 is provided with a first retaining ring 31 or a second retaining ring 32 (not shown) for retaining the outer connecting pipe 3. This structure, through a plurality of connecting pipes 3 of suit, can further realize the extension of sleeve pipe 1, and then the adaptation in the drilling of different size of a dimension and degree of depth, improves muddy water extraction element's adaptability.

In an embodiment, referring to fig. 9 and 10, as a specific implementation of the muddy water extracting device provided in the second embodiment of the present application, a positioning groove 14 is formed on the outer circumferential surface of the sleeve 1 along the axial direction of the sleeve 1, and a positioning block 33 extending into the positioning groove 14 is installed on the inner side wall of the connecting pipe 3. With the structure, the positioning block 33 and the positioning groove 14 can realize the directional movement between the connecting pipe 3 and the sleeve 1, and prevent the relative rotation between the connecting pipe 3 and the sleeve 1. In some embodiments, the positioning block 33 is disposed on the first retaining ring 31 for easy manufacturing.

Other structures of the muddy water extraction device provided by the second embodiment of the present application are the same as the corresponding structures of the muddy water extraction device provided by the first embodiment, and are not repeated here.

Example three:

referring to fig. 12 to 14, a mud water extracting apparatus provided in a third embodiment of the present application will now be described. The muddy water extraction device that this application embodiment third provided lies in with the muddy water extraction device that the above-mentioned embodiment first provided's difference: the muddy water extraction device also comprises an extension pipe 4 sleeved on the sleeve 1, a first guide groove 15 is formed in the outer side wall of the sleeve 1 along the axial direction of the sleeve 1, and a guide block 41 extending into the first guide groove 15 is correspondingly installed on the inner side wall of the extension pipe 4; the outer side wall of the sleeve 1 is further provided with a second guide groove 16 along the circumferential direction of the sleeve 1 for the guide block 41 to slide in, and the first guide groove 15 is communicated with the second guide groove 16. With this structure, the extension pipe 4 can move up and down along the casing 1 along the first guide groove 15; when the extension pipe 4 is rotated to slide the guide block 41 into the second guide groove 16, the sleeve 1 can be fixed in the vertical direction, so that the overall length of the mud and water extraction device can be changed through the extension pipe 4, and the mud and water extraction device can be suitable for drilling holes with different depths; moreover, the total amount of the one-time muddy water extraction of the muddy water extraction device can be increased, the subsequent repeated muddy water extraction is reduced, and the efficiency is improved. In some embodiments, a plurality of extension pipes 4 may be sequentially sleeved on the casing 1, that is, the extension pipe 4 is sleeved on the casing 1, and the extension pipe 4 is sleeved on the extension pipe 4. The guide block 41 is mounted on the inner side wall of each extension pipe 4 between the sleeve 1 and the extension pipe 4 on the outermost side, the first guide groove 15 and the second guide groove 16 are respectively arranged on the outer side wall along the axial direction and the circumferential direction, and the guide block 41 is mounted only on the inner side wall of the extension pipe 4 on the outermost side. Establish a plurality of extension pipes 4 through the cover, can adapt to the drilling that the degree of depth is bigger, improve muddy water extraction element adaptability.

In some embodiments, the extension pipe 4 provided in the third embodiment of the present application can be used in combination with the connection pipe 3 provided in the second embodiment. The following three combination modes are provided:

1. the sleeve pipe 1 is sleeved with a connecting pipe 3, and the connecting pipe 3 is sleeved with an extension pipe 4. At this time, the top end of the outer side wall of the sleeve 1 is provided with a third retaining ring 13, and two ends of the inner side wall of the connecting pipe 3 are respectively provided with a first retaining ring 31 and a second retaining ring 32; further, the outer side wall of the connection pipe 3 is provided with a first guide groove 15 along the axial direction thereof and a second guide groove 16 along the circumferential direction thereof, and the inner side wall of the extension pipe 4 is provided with a guide block 41. With this structure, the connection pipe 3 can slide on the sleeve 1, the extension pipe 4 can slide on the sleeve 1, and locking with the connection pipe 3 can be achieved at a certain height.

2. The sleeve pipe 1 is sleeved with an extension pipe 4, and the extension pipe 4 is sleeved with a connecting pipe 3. At this time, the outer side wall of the sleeve 1 is provided with the first guide groove 15 and the second guide groove 16, respectively, and the inner side wall of the extension pipe 4 is provided with the guide block 41; the top end of the outer side wall of the extension pipe 4 is provided with a third retaining ring 13, and the inner side wall of the connection pipe 3 is provided with a first retaining ring 31 and a second retaining ring 32.

3. The extension pipe 4 and the connecting pipe 3 are sequentially sleeved on the sleeve 1, the structure can be combined according to the scheme, the number of the extension pipes 4 and the number of the connecting pipes 3 can be adjusted according to actual needs, and the details are not repeated.

Other structures of the muddy water extraction device provided by the third embodiment of the present application are the same as the corresponding structures of the muddy water extraction device provided by the first embodiment, and are not repeated here.

Example four:

referring to fig. 15, a mud water extracting apparatus according to the fourth embodiment of the present application will now be described. The muddy water extraction device that this application embodiment four provided differs with the muddy water extraction device that above-mentioned embodiment one provided: the muddy water extracting apparatus further comprises a piston 9 installed in the casing 1 and a push rod 10 connected to the piston 9. In the structure, the push rod 10 can be connected with an external power mechanism and can drive the piston 9 to move up and down in the sleeve 1, so that negative pressure can be formed inside the sleeve 1, and the muddy water can be conveniently extracted. In some embodiments, the piston 9 and the push rod 10 provided by the present application can also be applied to the muddy water extracting device provided by the second embodiment, and can also be applied to the muddy water extracting device provided by the third embodiment.

Other structures of the muddy water extraction device provided by the fourth embodiment of the present application are the same as the corresponding structures of the muddy water extraction device provided by the first embodiment, and are not repeated here.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. Muddy water extraction element, its characterized in that: comprises a sleeve and a base connected with one end of the sleeve; the base is provided with an opening; the muddy water extraction device also comprises a cover plate used for covering the opening and a limit stop used for limiting the rotation angle of the cover plate; the opening is communicated with the sleeve, the cover plate is hinged to the side face, facing the sleeve, of the base, and the limit stop is installed on the base.

2. The mud water extraction device as set forth in claim 1, wherein: the muddy water extraction device also comprises a magnet block for adsorbing metal objects, and the magnet block is arranged on the base.

3. The mud water extraction device as set forth in claim 1, wherein: the side surface of the base facing the sleeve is provided with a groove, the bottom surface of the groove is provided with the opening, the cover plate is hinged to the bottom surface of the groove, and the limit stop is installed on the inner side wall of the groove.

4. The mud water extraction device as set forth in claim 1, wherein: the muddy water extraction device further comprises a filter screen arranged in the open hole.

5. The mud water extraction device as set forth in claim 1, wherein: the sleeve pipe is close to be equipped with first step portion on the inside wall of base one end, correspond on the base be equipped with the second step portion that first step portion cooperation is connected.

6. The muddy water extracting apparatus as set forth in any one of claims 1 to 5, wherein: the muddy water extraction device further comprises a connecting pipe sleeved on the sleeve, a first retaining ring and a second retaining ring are arranged on the inner side wall of the connecting pipe in a protruding mode, and the first retaining ring and the second retaining ring are arranged at intervals; and a third retaining ring for retaining the first retaining ring or the second retaining ring is arranged on the peripheral surface of the sleeve, and the third retaining ring is arranged between the first retaining ring and the second retaining ring.

7. The mud water extraction device as set forth in claim 6, wherein: the outer peripheral surface of the sleeve is provided with a positioning groove along the axial direction of the sleeve, and the inner side wall of the connecting pipe is provided with a positioning block extending into the positioning groove.

8. The mud water extraction device as set forth in claim 6, wherein: the muddy water extraction device comprises at least two connecting pipes which are coaxially sleeved, and the inner side wall of each connecting pipe is convexly provided with the first retaining ring and the second retaining ring; two adjacent connecting pipes: and the outer peripheral surface of the connecting pipe positioned on the inner layer is provided with an anti-falling ring for stopping the first baffle ring or the second baffle ring of the connecting pipe positioned on the outer layer.

9. The muddy water extracting apparatus as set forth in any one of claims 1 to 5, wherein: the muddy water extraction device further comprises an extension pipe sleeved on the sleeve, a first guide groove is formed in the outer side wall of the sleeve along the axial direction of the sleeve, and a guide block extending into the first guide groove is mounted on the inner side wall of the extension pipe; and a second guide groove for the guide block to slide into is further formed in the outer side wall of the sleeve along the circumferential direction of the sleeve, and the first guide groove is communicated with the second guide groove.

10. The muddy water extracting apparatus as set forth in any one of claims 1 to 5, wherein: the muddy water extraction device also comprises a piston arranged in the sleeve and a push rod connected with the piston.

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