Specimen collecting device for hydrogeological test

Abstract

The utility model discloses a specimen collection device for hydrogeological testing. Comprising a collecting barrel, a support arranged at the bottom of the collecting barrel, a drill bit arranged at the lower end of the support, a first cavity, a second cavity, a water inlet formed in the bottom of the collecting barrel, a connecting hole formed in the inner bottom wall of the first cavity and an anti-blocking assembly installed in the second cavity, a groove is formed in the surface of the collecting barrel, a cover plate matched with the groove is arranged in the groove, a specimen barrel is fixedly connected to the inner wall of the cover plate, limiting rods are inserted into the two first insertion holes respectively, second insertion holes are formed in the cover plate, and the limiting rods are inserted into the second insertion holes respectively. The outer side of the drill rod is sleeved with a lantern ring, limiting assemblies are symmetrically arranged on the lantern ring, and grooves are symmetrically formed in the outer side of the drill rod. Compared with the prior art, operation is simpler, more convenient and rapider, time and labor are saved, and the specimen barrel can be rapidly disassembled.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of specimen collection, in particular to a specimen collection device for hydrogeological testing. BACKGROUND

[0002] Hydrogeology is a branch of geology, which refers to the various changes and movements of groundwater in nature. It mainly studies the distribution and formation law of groundwater, the physical properties and chemical composition of groundwater, groundwater resources and their rational utilization, and requires collecting groundwater specimens.

[0003] According to the search, the disclosure (announcement) No. CN218098422U discloses a specimen collection device for hydrogeological testing. The specimen collection device for hydrogeological testing comprises a collecting cylinder, a first cavity and a second cavity are arranged in the collecting cylinder, and the like. The application has the advantages of good collection effect, not easy to affect the collection efficiency, and good use effect. However, when the specimen needs to be taken out for use, a plurality of bolts need to be unscrewed, the operation is relatively cumbersome, a lot of time is wasted, and quick disassembly cannot be achieved.

[0004] In order to solve the above problems, the application provides a specimen collection device for hydrogeological testing. Practical new type content

[0005] One purpose of the application is to provide a specimen collection device for hydrogeological testing, which comprises a collecting cylinder, a support arranged at the bottom of the collecting cylinder, a drill bit arranged at the low end of the support, a first cavity and a second cavity arranged in the collecting cylinder, a water inlet opening arranged at the bottom of the collecting cylinder, a connecting hole arranged in the bottom wall of the first cavity, a anti-blocking assembly installed in the second cavity, a filter screen installed at the bottom of the collecting cylinder and the inner top wall of the second cavity, and a drill rod installed at the top of the collecting cylinder. A groove is formed in the surface of the collecting cylinder, and a matching cover plate is arranged in the groove. The inner wall of the cover plate is fixedly connected with a specimen cylinder. The inside of the specimen cylinder is provided with a plugging assembly and a water level sensor. A through hole is formed in the bottom of the specimen cylinder. A circular plate is inserted into the top of the specimen cylinder. One end of the cover plate and the inner wall of the groove are fixedly connected with a plug plate. The other end of the cover plate and the inner wall of the groove are provided with a plug groove matched with the plug plate. Limiting holes are formed in the plug plate. Two plug holes are symmetrically formed in the top of the collecting cylinder. Limiting rods are respectively inserted into the two plug holes. A plug hole is formed in the cover plate. A sleeve ring is arranged on the outer side of the drill rod. Limiting assemblies are symmetrically arranged on the sleeve ring. Recesses are symmetrically formed in the outer side of the drill rod.

[0006] Further, the limiting assembly comprises a box body fixedly connected to the top of the sleeve ring, a sliding block slidably connected to the inside of the box body, square holes symmetrically formed on the box body, a square rod slidably inserted into the square holes, an insertion hole formed on the inner wall of the box body, and an insertion block arranged in the insertion hole.

[0007] Further, one end of the square rod is fixedly connected with a hand rod, the other end of the square rod is fixedly connected with the sliding block, and the two ends of the spring are fixedly connected with the inner wall of the box body and the sliding block respectively.

[0008] Further, the insertion block is fixedly connected with the sliding block, and one end of the insertion block away from the sliding block extends into the groove.

[0009] Further, the top end of each of the two limiting rods is fixedly connected with the bottom end face of the sleeve ring, and a positioning groove is formed in the inner bottom wall of the insertion slot.

[0010] Further, two semicircular grooves are formed on the outer side of the collecting cylinder, and a semicircular block matched with the semicircular grooves is arranged in the semicircular grooves, and the semicircular block is fixedly connected with the cover plate.

[0011] Further, a handle is fixedly connected to the outer side of the cover plate, and an anti-skid sleeve is sleeved on the outer side of the handle.

[0012] The beneficial effects of the present application are:

[0013] The present application only needs to pull the two hand rods outward, so that the insertion block moves out of the groove, thereby releasing the limiting of the sleeve ring, and then the sleeve ring is moved upward on the outer side of the drill rod by holding the two hand rods, so that the two limiting rods are moved upward, and the limiting rods move out of the limiting holes and the insertion holes, thereby releasing the limiting of the insertion plate and the cover plate, the insertion plate can be removed from the insertion slot, the cover plate can be removed by holding the handle, and the specimen cylinder can be taken out of the first cavity, and then the circular plate is removed, so that the specimen can be used. In summary, compared with the prior art, the operation is more convenient and fast, time and labor are saved, and the specimen cylinder can be quickly disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation of the present application.

[0015] In the drawings:

[0016] Figure 1 is a schematic diagram of the overall structure of the present application;

[0017] Figure 2 is a schematic diagram of part of the structure of the present application;

[0018] Figure 3 The cover plate and specimen tube of the present application are shown in the diagram.

[0019] Figure 4 The box body and drill rod of the present application are shown in the diagram.

[0020] Explanation of the diagram:

[0021] 1, collection tube; 2, drill bit; 3, support; 4, connecting hole; 5, slot; 6, semi-annular groove; 7, insertion plate; 8, insertion groove; 9, limiting hole; 10, positioning groove; 11, drill rod; 12, box body; 13, collar; 14, square rod; 15, first cavity; 16, second cavity; 17, specimen tube; 18, semi-annular block; 19, cover plate; 20, round plate; 21, spring; 22, sliding block; 23, recess; 24, insertion block; 25, limiting rod; 26, insertion hole two. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments in the present application shall fall within the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] Please refer to Figure 1 , Figure 2 ,Figure 3 and Figure 4 The embodiment of the application discloses a specimen collecting device for hydrogeological testing, which comprises a collecting cylinder 1, a support 3 arranged at the bottom of the collecting cylinder 1, a drill bit 2 arranged at the low end of the support 3, a first cavity 15 and a second cavity 16 arranged in the collecting cylinder 1, a water inlet arranged at the bottom of the collecting cylinder 1, a connecting hole 4 arranged in the bottom wall of the first cavity 15, an anti-blocking assembly installed in the second cavity 16, a filter screen installed at the bottom of the collecting cylinder 1 and corresponding to the water inlet and the top wall of the second cavity 16 and corresponding to the connecting hole 4, and a drill rod 11 installed at the top of the collecting cylinder 1, wherein the surface of the collecting cylinder 1 is provided with a groove 5, the inside of the groove 5 is provided with a matched cover plate 19, the height of the cover plate 19 is equal to the depth of the first cavity 15, the outer side of the cover plate 19 is fixedly connected with a handle, the outer side of the handle is provided with an anti-skid sleeve.

[0027] The inner wall of the cover plate 19 is fixedly connected with a specimen cylinder 17, the inside of the specimen cylinder 17 is provided with a plugging assembly and a water level sensor, the plugging assembly and the anti-blocking assembly of the application belong to the prior art, the structure and working principle thereof are referred to the specimen collecting device for hydrogeological testing with the publication (announcement) number CN218098422U, and the application will not be described in detail herein; the bottom of the specimen cylinder 17 is provided with a through hole, water enters the inside of the specimen cylinder 17 through the through hole, the through hole corresponds to the connecting hole 4, the plugging assembly is used for plugging the through hole, the top of the specimen cylinder 17 is inserted with a circular plate 20, the outer wall of the circular plate 20 is provided with a groove, when the circular plate 20 is taken out, a tool can be inserted into the inside of the groove and then drive the circular plate 20 to move upwards so as to take off the circular plate 20, a plurality of circular grooves are annularly arranged at the top of the cover plate 19, the bottom end surface of the circular plate 20 is fixedly connected with a plurality of circular rods matched with the circular grooves, and the circular plate 20 is inserted in the inside of the circular grooves through the circular rods so as to be installed at the top of the cover plate 19.

[0028] One end of the cover plate 19 and the inner wall of the groove 5 are fixedly connected with an insertion plate 7, the other end of the cover plate 19 and the inner wall of the groove 5 are provided with an insertion slot 8 matched with the insertion plate 7, the insertion plate 7 is provided with a limiting hole 9, the top of the collecting cylinder 1 is symmetrically provided with two insertion holes one, the insertion hole one close to the insertion slot 8 is communicated with the insertion slot 8, the depth of the insertion hole one close to the insertion slot 8 is greater than that of the insertion hole one close to the insertion plate 7, the inside of the two insertion holes one is respectively inserted with a limiting rod 25, the limiting rod 25 close to the left side of the collecting cylinder 1 penetrates through the limiting hole 9 and extends into the positioning groove 10, the limiting rod 25 close to the right side of the collecting cylinder 1 penetrates through the insertion hole two 26 and the limiting hole 9 and extends into the positioning groove 10, the cover plate 19 is provided with the insertion hole two 26, the outer side of the drill rod 11 is sleeved with a sleeve ring 13, the sleeve ring 13 is symmetrically provided with a limiting assembly, and the outer side of the drill rod 11 is symmetrically provided with a groove 23.

[0029] Please refer to Figure 2 andFigure 4 The limiting assembly comprises a box body 12 fixedly connected at the top of the collar 13, a sliding block 22 slidably connected inside the box body 12, a square hole symmetrically formed on the box body 12, a square rod 14 slidably inserted into the square hole, an insertion hole formed on the inner wall of the box body 12, an insertion block 24 arranged inside the insertion hole, a spring 21 arranged outside the square rod 14, and a hand-held rod fixedly connected to one end of the square rod 14;

[0030] When the hand-held rod is pulled outward, the hand-held rod moves to drive the square rod 14 to move, the square rod 14 moves to drive the sliding block 22 to move, the sliding block 22 moves to press the spring 21, the spring 21 is contracted under the pressing, and the insertion block 24 is moved under the sliding block 22 to move out of the recess 23, so that the limiting of the collar 13 is released. Then, the two hand-held rods drive the collar 13 to move upward outside the drill rod 11, so that the two limiting rods 25 are moved upward to move out of the limiting hole 9 and the insertion hole two 26, so that the limiting of the insertion plate 7 and the cover plate 19 is released, the insertion plate 7 is removed from the insertion slot 8, the cover plate 19 is removed, and the specimen barrel 17 can be taken out of the first cavity 15. The other end of the square rod 14 is fixedly connected with the sliding block 22, the two ends of the spring 21 are fixedly connected with the inner wall of the box body 12 and the sliding block 22 respectively, the insertion block 24 is fixedly connected with the sliding block 22, and the end of the insertion block 24 away from the sliding block 22 extends into the recess 23.

[0031] Please refer to Figure 2 and Figure 3 The top ends of the two limiting rods 25 are fixedly connected with the bottom end face of the collar 13, and the inner bottom wall of the insertion slot 8 is provided with a positioning groove 10, and the lower end of the limiting rod 25 is inserted into the positioning groove 10, so as to further improve the stability of the connection between the cover plate 19 and the collection barrel 1.

[0032] Please refer to Figure 2 and Figure 3 The outer side of the collection barrel 1 is provided with two semi-annular grooves 6, and the semi-annular grooves 6 are provided with semi-annular blocks 18 matched therewith. The semi-annular blocks 18 are fixedly connected with the cover plate 19, the two end faces and the inner wall of the semi-annular blocks 18 are fixedly connected with sealing gaskets one, and the cover plate 19 and the collection barrel 1 are provided with a sealing gasket two fixedly connected with the cover plate 19. The sealing gaskets one and two have a sealing effect, so as to ensure the sealing between the cover plate 19 and the collection barrel 1.

[0033] The implementation principle of the embodiment of the present application is that the hand-held rods are pulled outward, the hand-held rods move to drive the square rods 14 to move, the square rods 14 move to drive the sliding blocks 22 to move, the sliding blocks 22 move to extrude the springs 21, the springs 21 are extruded to shrink, and when the sliding blocks 22 move, the insertion blocks 24 are moved, so that the insertion blocks 24 move out of the interiors of the grooves 23, thereby releasing the limiting of the collars 13, then the two hand-held rods move the collars 13 upward outside the drill rods 11, thereby driving the two limiting rods 25 to move upward, so that the limiting rods 25 move out of the interiors of the limiting holes 9 and the insertion holes two 26, thereby releasing the limiting of the insertion plates 7 and the cover plates 19, that is, the insertion plates 7 can be removed from the interiors of the insertion grooves 8, that is, the cover plates 19 can be removed by hand-holding the grips, so that the specimen barrels 17 can be taken out of the interiors of the first cavities 15, then the round plates 20 are removed, and the specimens can be used.

[0034] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A sample collecting device for hydrogeological testing, comprising a collecting cylinder (1), a support (3) arranged at the bottom of the collecting cylinder (1), a drill bit (2) arranged at the lower end of the support (3), a first cavity (15) and a second cavity (16) arranged in the collecting cylinder (1), a water inlet arranged at the bottom of the collecting cylinder (1), a connecting hole (4) arranged in the bottom wall of the first cavity (15), an anti-blocking assembly installed in the second cavity (16), a filter screen installed at the bottom of the collecting cylinder (1) and the top wall of the second cavity (16), and a drill rod (11) installed at the top of the collecting cylinder (1), characterized in that, The surface of the collecting cylinder (1) is provided with a slot (5), the inside of the slot (5) is provided with a matched cover plate (19), the inner wall of the cover plate (19) is fixedly connected with a specimen cylinder (17), the inside of the specimen cylinder (17) is provided with a plugging assembly and a water level sensor, the bottom of the specimen cylinder (17) is provided with a through hole, the top of the specimen cylinder (17) is inserted with a circular plate (20), one end of the cover plate (19) and the inner wall of the slot (5) are fixedly connected with an insertion plate (7), the other end of the cover plate (19) and the inner wall of the slot (5) are provided with an insertion groove (8) matched with the insertion plate (7), the insertion plate (7) is provided with a limiting hole (9), the top of the collecting cylinder (1) is symmetrically provided with two insertion holes I, the inside of the two insertion holes I is respectively inserted with a limiting rod (25), the cover plate (19) is provided with an insertion hole II (26), the outside of the drill rod (11) is provided with a sleeve ring (13), the sleeve ring (13) is symmetrically provided with a limiting assembly, and the outside of the drill rod (11) is symmetrically provided with a groove (23).

2. The sample collection device for hydrogeological testing according to claim 1, characterized in that, The limiting assembly comprises a box body (12) fixedly connected to the top of the sleeve ring (13), a sliding block (22) slidably connected in the box body (12), a square hole symmetrically provided on the box body (12), a square rod (14) slidably inserted in the square hole, and an insertion hole provided in the inner wall of the box body (12), wherein the insertion hole is provided with an insertion block (24).

3. The sample collection device for hydrogeological testing according to claim 2, characterized in that, One end of the square rod (14) is fixedly connected with a hand rod, the other end of the square rod (14) is fixedly connected with the sliding block (22), and the two ends of the spring (21) are fixedly connected with the inner wall of the box body (12) and the sliding block (22) respectively.

4. The sample collection device for hydrogeological testing according to claim 2, wherein The insertion block (24) is fixedly connected with the sliding block (22), and the end of the insertion block (24) away from the sliding block (22) extends into the groove (23).

5. The sample collection device for hydrogeological testing according to claim 1, wherein The top end of each of the two limiting rods (25) is fixedly connected with the bottom end face of the sleeve ring (13), and the inner bottom wall of the insertion groove (8) is provided with a positioning groove (10).

6. The sample collection device for hydrogeological testing according to claim 1, wherein The outside of the collecting cylinder (1) is provided with two semicircular grooves (6), the inside of the semicircular groove (6) is provided with a matched semicircular block (18), and the semicircular block (18) is fixedly connected with the cover plate (19).

7. The sample collection device for hydrogeological testing according to claim 1, wherein The outside of the cover plate (19) is fixedly connected with a handle, and the outside of the handle is provided with an anti-skid sleeve.

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