Flow-adjustable sampling pump

Abstract

The utility model discloses a flow-adjustable sampling pump which comprises a base, movable wheels are arranged at the four corners of the bottom of the base, a pump body is arranged at the center of the top of the base, a suction pipe is fixedly connected to the front end of the pump body, and a liquid discharge pipe is fixedly connected to the rear end of the pump body. A protective mechanism is movably mounted at the top of the base and comprises an outer protective cover, an opening and closing door is hinged to the front face of the outer protective cover through hinges, an observation window is arranged on the surface of the opening and closing door, limiting openings are formed in the two sides of the outer protective cover, and a heating mechanism is arranged at the position, close to the upper portion, of the inner wall of the outer protective cover. The protection mechanism is movably installed outside the base, the pump body is located in the protection mechanism for use, a closed space is formed after the opening and closing door is closed, a good protection effect on the pump body is achieved, the protection mechanism is simple in structure, the connection and assembly mode between the protection mechanism and the base is easy to operate, and people can use the pump conveniently.

Description

Technical Field

[0001] This utility model relates to the field of sampling pump technology, specifically to a sampling pump with adjustable flow rate. Background Technology

[0002] A sampling pump is a small pump used to take or collect gases or liquids. It is usually used for sampling liquids. By continuously sucking and squeezing the pump, continuous sampling of samples can be achieved. When in use, the outlet flow rate can be quickly adjusted by controlling the switch valve or adjusting the pump speed, making it relatively convenient to use.

[0003] In the prior art, sampling pumps are often used in humid environments. Since sampling pumps have no protective facilities, they are easily affected by environmental factors after a period of use, which can cause damage from the outside to the inside, thus reducing the service life of the sampling pump.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in the related technologies, this utility model proposes a sampling pump with adjustable flow rate to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] An adjustable flow sampling pump includes a base with casters at the four corners of the base's bottom and a pump body at the center of the top of the base. A suction pipe is fixedly connected to the front end of the pump body, and a drain pipe is fixedly connected to the rear end of the pump body. A protective mechanism is movably installed on the top of the base, including an outer cover. The front of the outer cover has an opening door hinged to it, and an observation window is provided on the surface of the opening door. Limiting ports are provided on both sides of the outer cover, and a heating mechanism is provided on the upper part of the inner wall of the outer cover.

[0008] Preferably, a docking block is fixedly connected to the bottom edge of the outer cover, and a docking slot is provided at the top edge of the base. By inserting the docking block into the docking slot at the top of the base, the protective mechanism can be quickly connected to the base, making assembly and disassembly convenient.

[0009] Preferably, both the docking block and the docking slot have limit holes on their surfaces. Limit pins are inserted into the limit holes, and magnetic pieces are fixedly connected to the ends of the limit pins and the limit holes located inside the docking slots. After the limit pins are inserted into the limit holes, they can fix the outer cover, ensuring the stability of the connection between the cover and the base after installation. The limit pins are connected by magnetic pieces, ensuring that they are not easy to fall off during use.

[0010] Preferably, there are four sets of limiting pins, which are symmetrically arranged on both sides of the base near the front and rear edges. A protrusion is fixedly connected to the center of the top of the limiting pin. With the protrusion, people can easily pull the limiting pin out of the limiting hole, which simplifies the disassembly of the limiting pin.

[0011] Preferably, the top of the outer cover is fixedly connected with a handle. There are two sets of handles, which are symmetrically arranged near the two side edges on the top of the outer cover. With the two sets of handles, people can lift the outer cover by gripping it, thus making it easy to install and connect it to the base.

[0012] Preferably, the heating mechanism includes a motor, the end of which is provided with a threaded screw, and a guide block is sleeved on the outside of the threaded screw. Multiple sets of warm air fans are movably installed at the bottom of the guide block, and the multiple sets of warm air fans are located directly above the pump body. Through the heating mechanism, the warm air fans move back and forth inside the outer cover under the drive of the motor-driven threaded screw and the movement of the guide block, blowing warm air onto the pump body. When the temperature is low, the temperature inside the protective mechanism is maintained, preventing the pump body from being damaged by the low temperature outside, and providing further protection for the pump body.

[0013] Preferably, the bottom of the guide block is provided with an installation groove, and the inside of the installation groove and the bottom of the heater fan are both fixedly connected with Velcro. The sizes of multiple sets of Velcro are matched with each other. Through the Velcro structure, the heater fan can be quickly attached to and detached from the guide block after being pasted together.

[0014] Preferably, a baffle plate is hinged to the surface of the limiting port via a damping hinge. Rubber sealing strips are fixedly connected to the outer wall of the baffle plate and the inner side wall edge of the opening and closing door. Through the baffle plate, the damping hinge flips and covers the inside of the limiting port. Together with the rubber sealing strip, the sealing of the outer cover is ensured, preventing cold air from entering the heating mechanism when it is in use.

[0015] The beneficial effects of this utility model are as follows:

[0016] 1. The protective mechanism is installed on the outside of the base, with the pump body inside. When the door is closed, a sealed space is formed, which provides good protection for the pump body. The protective mechanism has a simple structure and the connection and assembly method between it and the base is simple to operate and convenient for people to use.

[0017] 2. The heating mechanism is built into the protective mechanism. The warm air fan moves back and forth inside the outer cover under the drive of the motor-driven threaded screw and the movement of the guide block, blowing warm air onto the pump body. When the temperature is low, it ensures the temperature inside the protective mechanism and prevents the pump body from being damaged by the low temperature outside. It plays a further protective role for the pump body. When the heating mechanism is in use, the protective mechanism can be completely closed to ensure the airtightness of the outer cover and prevent cold air from entering the interior of the heating mechanism. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure according to an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the overall structure of the protective mechanism according to an embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of the heating mechanism structure according to an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the overall structure of the base according to an embodiment of the present utility model;

[0023] Figure 5 This is an enlarged structural diagram of point A according to an embodiment of the present invention.

[0024] In the diagram: 1. Base; 2. Pump body; 3. Suction pipe; 4. Drain pipe; 5. Protective mechanism; 501. Outer cover; 502. Docking block; 503. Limiting hole; 504. Limiting port; 505. Baffle plate; 506. Opening door; 6. Heating mechanism; 601. Motor; 602. Threaded screw; 603. Guide block; 604. Warm air fan; 605. Mounting groove; 7. Docking groove; 8. Limiting pin; 9. Protrusion; 10. Magnetic suction plate. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] According to an embodiment of the present invention, a sampling pump with adjustable flow rate is provided.

[0027] Example 1;

[0028] like Figure 1-5 As shown, the flow-adjustable sampling pump according to an embodiment of the present invention includes a base 1, with movable wheels at the four corners of the bottom of the base 1, a pump body 2 at the center of the top of the base 1, a suction pipe 3 fixedly connected to the front end of the pump body 2, a drain pipe 4 fixedly connected to the rear end of the pump body 2, a protective mechanism 5 movably installed on the top of the base 1, the protective mechanism 5 including an outer cover 501, an opening and closing door 506 hinged to the front of the outer cover 501, an observation window provided on the surface of the opening and closing door 506, limit ports 504 provided on both sides of the outer cover 501, and a heating mechanism 6 provided on the upper part of the inner wall of the outer cover 501.

[0029] In this embodiment, a docking block 502 is fixedly connected to the bottom edge of the outer cover 501, and a docking slot 7 is provided at the top edge of the base 1. By inserting the docking block 502 into the docking slot 7 at the top of the base 1, the protective mechanism 5 and the base 1 can be quickly connected and easily disassembled.

[0030] In this embodiment, both the docking block 502 and the docking slot 7 have limit holes 503 on their surfaces. Limit pins 8 are inserted into the limit holes 503. The ends of the limit pins 8 and the limit holes 503 located inside the docking slot 7 are fixedly connected to magnetic plates 10. After the limit pins 8 are inserted into the limit holes 503, they can fix the outer cover 501, ensuring the stability of its connection with the base 1 after installation. The limit pins 8 are attracted and connected by the magnetic plates 10, ensuring that they are not easy to fall off during use.

[0031] In this embodiment, there are four sets of limiting pins 8, which are symmetrically arranged on both sides of the base 1 near the front and rear edges. A protrusion 9 is fixedly connected to the center of the top of the limiting pin 8. By using the protrusion 9, people can easily pull the limiting pin 8 out of the limiting hole 503 after grasping it, which simplifies the disassembly of the limiting pin 8.

[0032] In this embodiment, a grip handle is fixedly connected to the top of the outer cover 501. There are two sets of grip handles, which are symmetrically arranged near the two side edges of the top of the outer cover 501. With the two sets of grip handles, people can lift the outer cover 501 after grasping it, so as to facilitate its installation and connection to the base 1.

[0033] In this embodiment, the heating mechanism 6 includes a motor 601, with a threaded screw 602 at the end of the motor 601. A guide block 603 is sleeved on the outside of the threaded screw 602. Multiple sets of warm air fans 604 are movably installed at the bottom of the guide block 603, and the multiple sets of warm air fans 604 are located directly above the pump body 2. Through the heating mechanism 6, the warm air fans 604 move back and forth inside the outer cover 501 under the drive of the motor 601 to move the threaded screw 602 and the guide block 603, blowing warm air onto the pump body 2. When the temperature is low, the temperature inside the protective mechanism 5 is maintained, preventing the pump body 2 from being damaged by the low temperature outside, and providing further protection for the pump body 2.

[0034] In this embodiment, the bottom of the guide block 603 is provided with an installation groove 605. The inside of the installation groove 605 and the bottom of the heater fan 604 are both fixedly connected with Velcro. The sizes of multiple sets of Velcro are matched with each other. Through the Velcro structure, the heater fan 604 can be quickly attached to and detached from the guide block 603 after being pasted together.

[0035] In this embodiment, a baffle plate 505 is hinged to the surface of the limiting port 504 via a damping hinge. Rubber sealing strips are fixedly connected to the outer wall of the baffle plate 505 and the inner side wall edge of the opening and closing door 506. Through the baffle plate 505, the damping hinge flips and covers the inside of the limiting port 504. With the rubber sealing strip, the sealing of the inside of the outer cover 501 is ensured, preventing cold air from entering the heating mechanism 6 when it is in use.

[0036] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0037] In practical application, grasp the handle to lift the outer cover 501, insert the docking block 502 at the bottom of the outer cover 501 into the docking slot 7 at the top of the base 1, and then insert the limiting pin 8 into the limiting insertion hole 503 to limit and fix the outer cover 501. After completing the above operations, pull out the suction tube 3 and the drain tube 4 from the limiting ports 504 on both sides of the outer cover 501 respectively. After the pump body 2 is started, the external liquid enters through the suction tube 3 and then exits through the drain tube 4 into the sampling cylinder to complete the sampling work. Since the entire operation is completed inside the protective mechanism 5, it plays a good protective role in the use of the pump body 2. When the outside temperature is low, during the movement of the pump body 2, the warm air fan 604, driven by the motor 601 and the threaded screw 602, moves the guide block 603 back and forth inside the outer cover 501, blowing warm air onto the pump body 2. This ensures the temperature inside the protective mechanism 5 and prevents the pump body 2 from being damaged by the low outside temperature during transportation, thus providing further protection for the pump body 2. Since the opening and closing door 506 and the baffle 505 are tightly connected to the outer cover 501 through rubber sealing strips, the sealing of the outer cover 501 is ensured, preventing cold air from entering the heating mechanism 6 when it is in use.

[0038] In summary, with the help of the above-mentioned technical solution of this utility model, the protective mechanism 5 is movably installed on the outside of the base 1, and the pump body 2 is located inside it. After the opening and closing door 506 is closed, a sealed space is formed, which provides a good protective effect for the pump body 2. The protective mechanism 5 has a simple structure and the connection and assembly method between it and the base 1 is simple to operate and convenient for people to use. The heating mechanism 6 is built into the protective mechanism 5. The warm air fan 604 moves back and forth inside the outer cover 501 under the drive of the motor 601, which drives the threaded screw 602 to move the guide block 603, blowing warm air to the pump body 2. When the temperature is low, the temperature inside the protective mechanism 5 is maintained, and the pump body 2 is prevented from being damaged by the low temperature outside, which provides further protection for the pump body 2. When the heating mechanism 6 is in use, the protective mechanism 5 can be completely closed, ensuring the airtightness of the outer cover 501 and preventing cold air from entering the interior of the heating mechanism 6.

[0039] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A flow-regulatable sampling pump comprising a base (1), characterized in that, The bottom of the base (1) is provided with movable wheels, the top center of the base (1) is provided with a pump body (2), the front end of the pump body (2) is fixedly connected with a suction pipe (3), the rear end of the pump body (2) is fixedly connected with a liquid discharge pipe (4), the top of the base (1) is movably installed with a protection mechanism (5), the protection mechanism (5) comprises an outer cover (501), the front surface of the outer cover (501) is hingedly connected with an opening and closing door (506), the surface of the opening and closing door (506) is provided with an observation window, the two sides of the outer cover (501) are both provided with a limiting opening (504), and the inner wall of the outer cover (501) is provided with a heating mechanism (6) at the upper position.

2. The flow-regulated sampling pump of claim 1, wherein, The bottom edge of the outer cover (501) is fixedly connected with a butt joint clamping block (502), and the top edge of the base (1) is provided with a butt joint clamping groove (7).

3. A flow-regulated sampling pump according to claim 2, wherein, The surface of the butt joint clamping block (502) and the butt joint clamping groove (7) is provided with a limiting jack (503), the limiting jack (503) is inserted with a limiting pin (8), and the end of the limiting pin (8) is fixedly connected with a magnetic piece (10) inside the limiting jack (503) in the butt joint clamping groove (7).

4. The flow-regulated sampling pump of claim 3, wherein, The number of the limiting pin (8) is four groups, which are symmetrically arranged near the front and rear edges on the two sides of the base (1), and the top center of the limiting pin (8) is fixedly connected with a protruding block (9).

5. The flow-regulated sampling pump of claim 1, wherein, The top of the outer cover (501) is fixedly connected with a holding handle, the number of the holding handle is two groups, and the holding handle is symmetrically arranged near the two side edges on the top of the outer cover (501).

6. The flow-regulated sampling pump of claim 1, wherein, The heating mechanism (6) comprises a motor (601), the end of the motor (601) is provided with a threaded screw rod (602), the outer portion of the threaded screw rod (602) is sleeved with a guide block (603), the bottom of the guide block (603) is movably installed with a plurality of warm air fans (604), and the plurality of warm air fans (604) are located directly above the pump body (2).

7. A flow-regulated sampling pump according to claim 6, wherein, The bottom of the guide block (603) is provided with a mounting groove (605), the inside of the mounting groove (605) and the bottom of the warm air fan (604) are both fixedly connected with a magic tape, and the sizes of the plurality of magic tapes are matched with each other.

8. The flow-regulated sampling pump of claim 1, wherein, The surface of the limiting opening (504) is hingedly connected with a shielding plate (505) through a damping hinge, and the outer wall of the shielding plate (505) and the inner side wall edge of the opening and closing door (506) are both fixedly connected with a rubber sealing strip.

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