CN218847705U - Liquid sampling device - Google Patents

Abstract

The utility model belongs to the technical field of sampling, and discloses a liquid sampling device, which comprises an electric control unit, a guide tube, a connecting block, a transfer piece, a sampling bottle and a balancing weight, wherein the electric control unit comprises a driving piece and a rolling piece, a traction rope is wound on the rolling piece, and the driving piece is used for driving the rolling piece to rotate so as to receive and release the traction rope; the traction rope passes through the guide tube and is connected with the connecting block; the adapter comprises a first adapter part and a second adapter part which are connected, the first adapter part is detachably connected with the connecting block, the second adapter part comprises an adapter ring, and a filter screen is detachably arranged on the adapter ring; the upper end of the sampling bottle is detachably connected with the adapter ring; the balancing weight can be dismantled and connect in the bottom of sampling bottle, and the cross section of balancing weight reduces along the direction of keeping away from the sampling bottle gradually. The liquid sampling device feeds liquid from the upper port of the sampling bottle, so that the resistance is small; the electric control is adopted, and the folding and the unfolding are stable; the sampling bottle and the balancing weight can be disassembled and replaced, and the balancing weight has small resistance and is stable when falling.

Description

Liquid sampling device

Technical Field

The utility model relates to a sample technical field especially relates to a liquid sampling device.

Background

The liquid sampling device is a necessary device for collecting liquid samples, and is generally used in the fields of chemical production detection, environmental protection monitoring, hydraulic engineering management and the like. For example, in the environmental protection field of detecting, need carry out sample detection to liquid such as rivers and lakes, enterprise's effluent, be limited to environmental factor sometimes, be not convenient for sample, adopt the quick sampling device of portable telescopic can ensure the security of sample work greatly and improve the efficiency of sample. For another example, in the field of chemical production, in order to ensure smooth production, samples need to be collected from a reaction kettle and a reaction tank at regular time, the pH value and the temperature are measured, the sample components, the designated ion concentration, the compound components and the like are detected, and sampling is performed from the environments of strong acid and strong base such as the reaction kettle and the like, high temperature, high collection difficulty and the like, so that the state of the sampled product can be truly reflected, the production can be adjusted in time according to actual conditions, the production is performed according to designated standard parameters, and qualified products can be produced.

Patent No. CN207300631U discloses a sewage sampler, including thief rod, sampling bottle, the thief rod includes the reel, crosses the dead lever of line guide eye, connecting wire, retractable line, and the dead lever is flexible dead lever, and the reel setting is in dead lever one side, crosses the line guide eye setting at the dead lever opposite side, and connecting wire one end winding is on the reel and passes cross the line guide eye, the sampling bottle is connected to the connecting wire other end, and the sampling bottle is upper and lower sealed sampling bottle, and the sampling bottle includes go-between, water inlet, upper cover, counter weight, drain pipe, and the top of sampling bottle is equipped with the go-between, and the connecting wire is connected the go-between.

The sampler disclosed in the above patent number, however, has the following disadvantages: 1. the sampling bottle is sealed up and down, small holes are arranged on the side edge of the upper part of the bottle body to feed liquid, and the liquid feeding speed is low and the sampling bottle is easy to be blocked by large impurities; 2. the sampling bottle is lifted manually through a lifting and shrinking fixing rod, a thread passing guide hole, a connecting ring at the top of the sampling bottle and a reel, the phenomenon of blocking is easy to occur, the sampling bottle is not freely folded and unfolded, and the sampling process is not stable; 3. the counter weight device is arranged at the middle lower part of the bottle body, the resistance is large when the sampling bottle falls for sampling, and the sampling bottle is not stable when the sampling bottle falls.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid sampling device, the resistance is little and steady when the sampling bottle whereabouts, receive and releases freely not block, and the feed liquor is fast when just taking a sample to can filter bold impurity.

In order to achieve the purpose, the utility model adopts the following technical proposal:

there is provided a liquid sampling device comprising:

the electric control unit comprises a driving piece and a winding piece, a traction rope is wound on the winding piece, and the driving piece is used for driving the winding piece to rotate so as to wind and unwind the traction rope;

the traction rope passes through the guide tube and can extend out of one end of the guide tube;

the connecting block is connected to the traction rope;

the adapter comprises a first adapter part and a second adapter part which are connected, the first adapter part is detachably connected with the connecting block, the second adapter part comprises an adapter ring, and a filter screen is detachably arranged on the adapter ring;

the upper end of the sampling bottle is detachably connected with the adapter ring;

the balancing weight, the balancing weight can dismantle connect in the bottom of sampling bottle, the cross section of balancing weight is along keeping away from the direction of sampling bottle reduces gradually.

As the utility model provides a liquid sampling device's preferred scheme, liquid sampling device still includes spacing dish, be provided with the draw-in groove on the spacing dish, the tank bottom wall of draw-in groove is provided with the perforation, the tip card of guide tube is located the draw-in groove, the haulage rope can pass the perforation, and with the connecting block is connected, the bottom surface of spacing dish is used for the backstop the connecting block.

As the utility model provides a liquid sampling device's preferred scheme, be provided with binding portion on the connecting block, be provided with the lewis hole on the binding portion, the haulage rope passes the lewis hole with binding portion binding, binding portion can pass the perforation, so that the bottom surface of spacing dish with the top surface butt of connecting block.

As the utility model provides a liquid sampling device's preferred scheme, the outer wall of connecting block is provided with first external screw thread, first switching portion is upper end opening, lower extreme confined drum, the inner wall of drum is provided with first internal thread, first external screw thread with first internal thread spiro union, the lower extreme of drum with the switching ring is connected.

As the utility model provides a liquid sampling device's preferred scheme, second switching portion still includes the mounting bracket, the mounting bracket is including being a plurality of connecting rods that the circumference distributes, every the one end of connecting rod all connect in the switching ring, the other end all upwards extend and connect in the bottom of drum, the filter screen covers to be located on the mounting bracket.

As the utility model provides a liquid sampling device's preferred scheme, the guide tube includes the edge horizontal extension pipe, right angle return bend and the vertical extension pipe that the direction of drawing forth of haulage rope connects gradually, horizontal extension pipe is provided with one section or can dismantle and be provided with the multisection.

As the utility model provides a liquid sampling device's preferred scheme, the support is equipped with the fixed pulley in the right angle return bend, the haulage rope is around locating the fixed pulley, and with the fixed pulley roll cooperation.

As the utility model provides a liquid sampling device's preferred scheme, be provided with the liquid outlet nozzle on the adapter ring.

As the utility model provides a liquid sampling device's preferred scheme, the lower extreme of adapter ring with the upper end threaded connection of sampling bottle.

As the utility model provides a liquid sampling device's preferred scheme, the lower extreme of sample bottle with the upper end threaded connection of balancing weight.

The utility model has the advantages that:

the utility model provides a liquid sampling device when taking a sample, unreels the haulage rope through automatically controlled unit, and the one end that the haulage rope stretches out the guide tube moves down, under the drive of balancing weight, puts in taking a sample inside below the buoyancy that the sample bottle can overcome liquid, and after the sample was accomplished, automatically controlled unit rolling haulage rope to make the sample bottle shift up and retrieve. The traction rope is wound and unwound through the electric control unit, so that the speed of the sampling bottle during downward placement and recovery can be conveniently adjusted, the sampling bottle is enabled to be placed downward or moved upward at a constant speed, the retraction is free, and the stability is high; the counter weight block is arranged at the bottom of the sampling bottle in a conical shape instead of the middle lower part, so that the liquid resistance can be reduced when the sampling bottle is put down, the sampling bottle can be prevented from being inclined and turned over, and the sampling bottle is basically in a vertical state in the sampling process; after the sampling bottle is placed into liquid, the liquid enters the sampling bottle through the filter screen at the upper end of the adapter ring, the size of the liquid inlet is large, the liquid inlet speed is high, the sampling speed is improved, the filter screen can filter large impurities, the quality of a liquid sample is ensured, further, the filter screen can be detachably arranged on the connecting ring, and the filter screen can be selectively installed or not installed according to the type of the liquid or can be conveniently replaced when the filter screen is damaged; the sampling bottle is detachably connected with the adapter ring, and a sampling bottle with a proper volume can be selected to be arranged at the lower end of the adapter ring according to sampling requirements; the balancing weight can be dismantled with the sampling bottle and be connected, can select the balancing weight of suitable weight to install in the bottom of sampling bottle according to the sample demand for whole device equipment is simple, possesses higher flexibility.

Drawings

FIG. 1 is a first view of a liquid sampling device according to an embodiment of the present invention;

FIG. 2 is a second view of a liquid sampling device according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a liquid sampling device provided by an embodiment of the present invention;

FIG. 4 is a schematic view of a connection of a sampling bottle according to an embodiment of the present invention;

fig. 5 is a top view of an adapter according to an embodiment of the present invention.

In the figure:

1. an electronic control unit; 2. a guide tube; 3. connecting blocks; 4. an adapter; 5. sampling a bottle; 6. a balancing weight; 7. a limiting disc; 8. a filter screen;

11. a hauling rope;

21. a horizontally extending tube; 22. a right-angle bent pipe; 23. a vertically extending tube; 221. a fixed pulley;

31. binding parts; 311. hoisting holes;

41. a first transition portion; 42. a second transfer part;

421. a transfer ring; 422. a mounting frame; 4211. a liquid outlet nozzle;

71. a clamping groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; 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 invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

As shown in fig. 1, 2 and 3, the present embodiment provides a liquid sampling device, which is applied to chemical production to sample liquid in a reaction vessel such as a reaction kettle or a reaction tank. The liquid sampling device comprises an electric control unit 1, a guide tube 2, a connecting block 3, an adapter 4, a sampling bottle 5 and a balancing weight 6.

The electric control unit 1 comprises a driving part and a winding part, a traction rope 11 is wound on the winding part, and the driving part is used for driving the winding part to rotate so as to wind and unwind the traction rope 11. Exemplarily, the electronic control unit 1 further includes a housing, and a driving member and a winding member are disposed inside the housing, the driving member is preferably a rotating motor, and the winding member is preferably a winding roller, which is in transmission connection with an output shaft of the rotating motor. Further, the rotating motor is a variable frequency motor, and the winding and unwinding speed of the traction rope 11 can be adjusted.

Referring to fig. 1, the upper end of the guide tube 2 is connected to the housing of the electronic control unit 1, the free end of the traction rope 11 is led out from one end of the housing and penetrates into the guide tube 2, and the free end of the traction rope 11 can extend out from the lower end of the guide tube 2; the connecting block 3 is connected to the free end of the traction rope 11; the adapter 4 comprises a first adapter part 41 and a second adapter part 42 which are connected, the first adapter part 41 is detachably connected with the connecting block 3, the second adapter part 42 comprises an adapter ring 421, and the adapter ring 421 is detachably provided with a filter screen 8; the upper end of the sampling bottle 5 is detachably connected with the adapter ring 421; balancing weight 6 can dismantle the bottom of connecting in sampling bottle 5, and the cross section of balancing weight 6 reduces along the direction of keeping away from sampling bottle 5 gradually.

The liquid sampling device that this embodiment provided unreels haulage rope 11 through electrical control unit 1 when the sample, and the one end that haulage rope 11 stretches out guide tube 2 moves down, and under the drive of balancing weight 6, sample bottle 5 can overcome below the buoyancy of liquid put in liquid inside and take a sample, and the back is accomplished in the sample, 1 rolling haulage rope 11 of electrical control unit to make sample bottle 5 move up and retrieve. Because the traction rope 11 is wound and unwound through the electric control unit 1, the speed of the sampling bottle 5 during the downward placement and the recovery can be conveniently adjusted, the sampling bottle 5 is enabled to be placed or moved upwards at a constant speed, the collection and the release are free, and the stability is high. The balancing weight 6 is arranged at the bottom of the sampling bottle 5 in a conical shape instead of the middle lower part, so that the liquid resistance can be reduced when the sampling bottle 5 is placed down, the sampling bottle 5 can be prevented from tilting and overturning, and the sampling bottle 5 is basically in a vertical state in the sampling process. Sample bottle 5 transfers back to liquid in, inside liquid got into sample bottle 5 via filter screen 8 of switching ring 421 upper end, the inlet size is great, the inlet fluid speed is very fast, sampling rate has been improved, and filter screen 8 can filter bold impurity, guarantee liquid appearance quality, furtherly, filter screen 8 can be dismantled and set up on the go-between, can install or do not install filter screen 8 according to liquid type selectivity, perhaps, can conveniently change when filter screen 8 damages. The sampling bottle 5 is detachably connected with the adapter ring 421, and the sampling bottle 5 with a proper volume can be selected to be arranged at the lower end of the adapter ring 421 according to the sampling requirement; balancing weight 6 can be dismantled with sampling bottle 5 and be connected, can select balancing weight 6 of suitable weight to install in sampling bottle 5's bottom according to the sample demand for whole device equipment is simple, possesses higher flexibility.

Preferably, the bottom of the balancing weight 6 forms a conical tip, which effectively reduces the liquid resistance borne by the sampling bottle 5 when the sampling bottle is lowered.

Referring to fig. 1 and 3, the guiding tube 2 includes a horizontal extension tube 21, a right-angle elbow 22, and a vertical extension tube 23 connected in sequence along the leading direction of the hauling cable 11, and the horizontal extension tube 21 is provided with one segment or detachably provided with multiple segments. When the device is used, a certain number of horizontal extension pipes 21 can be horizontally connected according to sampling requirements, and then the horizontal extension pipes are connected with a vertical extension pipe 23 through a straight angle bent pipe 22. The pull-cord 11 is wound onto the winding member and its free end is led out of the housing of the electronic control unit 1 and into the horizontal extension tube 21. Further, referring to fig. 3, a fixed pulley 221 is supported in the right-angle elbow 22, and the traction rope 11 is wound around the fixed pulley 221 and is in rolling engagement with the fixed pulley 221. After the haulage rope 11 stretched out horizontal extension pipe 21, walked around during the vertical extension pipe 23 of fixed pulley 221 reentrant, haulage rope 11 is transferring or retrieve the in-process and fixed pulley 221 roll cooperation, and frictional resistance when can effectively reducing transfer and retrieving takes place the jamming when avoiding sampling bottle 5 to transfer and retrieve.

Referring to fig. 3 and 4, the liquid sampling device further comprises a limiting disc 7, a clamping groove 71 is formed in the limiting disc 7, a through hole is formed in the bottom wall of the clamping groove 71, the end portion of the guide tube 2 is clamped in the clamping groove 71, the traction rope 11 can penetrate through the through hole and is connected with the connecting block 3, and the bottom surface of the limiting disc 7 is used for stopping the connecting block 3. Specifically, the lower extreme card of vertical extension 23 is in draw-in groove 71 to make its lower extreme seal through spacing dish 7, the perforation that is used for wearing to establish haulage rope 11 that sets up on the spacing dish 7 can provide limiting displacement for haulage rope 11, avoids haulage rope 11 level to rock. Illustratively, the lower end of the vertical extension pipe 23 is threadedly coupled to the inner wall of the catching groove 71.

Referring to fig. 3 and 4, the binding portion 31 is provided at the upper end of the connecting block 3, a lifting hole 311 is provided on the binding portion 31, and the traction rope 11 passes through the lifting hole 311 to be bound with the binding portion 31, thereby facilitating the stable connection of the traction rope 11 and the connecting block 3. Further, the binding portion 31 can pass through the through hole to abut the bottom surface of the stopper plate 7 against the top surface of the connection block 3. On the protruding top surface of locating connecting block 3 of portion of tying up 31, after the sample was accomplished, 1 rolling haulage rope 11 of electrical unit, the portion of tying up 31 moves up along with haulage rope 11, and until passing the perforation on spacing dish 7, when the top surface of treating connecting block 3 and the bottom surface butt of spacing dish 7, electrical unit 1 no longer rolls haulage rope 11, limits the position of 11 free ends of haulage rope to it is excessive to avoid 11 rolling of haulage rope.

Referring to fig. 4, the outer wall of the connection block 3 is provided with a first external thread, the first adaptor 41 is a cylinder with an open upper end and a closed lower end, the inner wall of the cylinder is provided with a first internal thread, the first external thread is screwed with the first internal thread, and the lower end of the cylinder is connected with the adaptor ring 421. Threaded connection is convenient and reliable, is difficult for breaking away for the equipment of connecting block 3 and adaptor 4 is more convenient. Further, second switching portion 42 still includes mounting bracket 422, and the lower extreme and the switching ring 421 of drum pass through mounting bracket 422 to be connected, specifically, see fig. 1 and 5, and mounting bracket 422 includes a plurality of connecting rods that are the circumference and distribute, and the one end of every connecting rod is all connected in switching ring 421, and the other end all upwards extends and is connected in the bottom of drum, and the axis slope setting of the relative switching ring 421 of connecting rod to make whole mounting bracket 422 be a reverse triangle structure. The filter screen 8 covers the mounting rack 422, and because the mounting rack 422 is in an inverted triangle shape, the covering area of the filter screen 8 can be increased, and the liquid inlet flow rate is further increased.

Referring to fig. 4 and 5, the adapter ring 421 is provided with a liquid outlet 4211, and after the sampling bottle 5 is recovered, the liquid sample collected in the sampling bottle 5 can be poured out through the liquid outlet 4211.

In this embodiment, optionally, in order to detachably connect the sampling bottle 5 and the adapter ring 421, a second external thread is disposed at the lower end of the adapter ring 421, a second internal thread is disposed at the upper end of the sampling bottle 5, the second external thread is screwed with the second internal thread, and the upper end of the sampling bottle 5 is screwed to the lower end of the adapter ring 421 during connection. Similarly, for realizing the connection of dismantling between balancing weight 6 and the sample bottle 5, be provided with the third external screw thread at the lower extreme of sample bottle 5, set up the third internal thread in the upper end of balancing weight 6, third external screw thread and third internal thread spiro union, it can to twist soon the upper end screw thread of balancing weight 6 in the lower extreme of sample bottle 5 when connecting.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A liquid sampling device, comprising:

the electric control unit (1) comprises a driving part and a winding part, a traction rope (11) is wound on the winding part, and the driving part is used for driving the winding part to rotate so as to wind and unwind the traction rope (11);

the traction rope (11) penetrates through the guide tube (2) and can extend out of one end of the guide tube (2);

the connecting block (3), the connecting block (3) is connected to the traction rope (11);

the adapter (4) comprises a first adapter part (41) and a second adapter part (42) which are connected, the first adapter part (41) is detachably connected with the connecting block (3), the second adapter part (42) comprises an adapter ring (421), and a filter screen (8) is detachably arranged on the adapter ring (421);

the upper end of the sampling bottle (5) is detachably connected with the adapter ring (421);

balancing weight (6), balancing weight (6) can dismantle connect in the bottom of sampling bottle (5), the cross section of balancing weight (6) is along keeping away from the direction of sampling bottle (5) reduces gradually.

2. The liquid sampling device according to claim 1, characterized in that the liquid sampling device further comprises a limiting disc (7), a clamping groove (71) is arranged on the limiting disc (7), a through hole is arranged on the bottom wall of the clamping groove (71), the end of the guide tube (2) is clamped in the clamping groove (71), the traction rope (11) can pass through the through hole and is connected with the connecting block (3), and the bottom surface of the limiting disc (7) is used for stopping the connecting block (3).

3. The liquid sampling device according to claim 2, characterized in that the connecting block (3) is provided with a binding portion (31), the binding portion (31) is provided with a hanging hole (311), the hauling cable (11) passes through the hanging hole (311) to be bound with the binding portion (31), and the binding portion (31) can pass through the through hole to enable the bottom surface of the limiting disc (7) to be abutted against the top surface of the connecting block (3).

4. The liquid sampling device according to claim 1, wherein the outer wall of the connecting block (3) is provided with a first external thread, the first adapter (41) is a cylinder with an open upper end and a closed lower end, the inner wall of the cylinder is provided with a first internal thread, the first external thread is in threaded connection with the first internal thread, and the lower end of the cylinder is connected with the adapter ring (421).

5. The liquid sampling device of claim 4, wherein the second adaptor portion (42) further comprises a mounting bracket (422), the mounting bracket (422) comprises a plurality of connecting rods distributed circumferentially, one end of each connecting rod is connected to the adaptor ring (421), the other end of each connecting rod extends upward and is connected to the bottom of the cylinder, and the filter screen (8) is arranged on the mounting bracket (422).

6. The liquid sampling device according to claim 1, characterized in that the guide tube (2) comprises a horizontal extension tube (21), a right-angle elbow (22) and a vertical extension tube (23) which are connected in sequence along the leading-out direction of the pulling rope (11), and the horizontal extension tube (21) is provided with one section or is detachably provided with multiple sections.

7. The liquid sampling device of claim 6, wherein a fixed pulley (221) is supported in the right-angle elbow (22), and the pulling rope (11) is wound around the fixed pulley (221) and is in rolling fit with the fixed pulley (221).

8. Liquid sampling device according to any one of claims 1 to 7, characterized in that the adapter ring (421) is provided with a tapping spout (4211).

9. Liquid sampling device according to any of claims 1 to 7, characterized in that the lower end of the adapter ring (421) is screwed to the upper end of the sampling bottle (5).

10. A liquid sampling device according to any one of claims 1 to 7, wherein the lower end of the sampling bottle (5) is threadedly connected to the upper end of the counterweight (6).

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