Sample introduction device

Abstract

The utility model discloses a sampling device which comprises a rotating wheel, a shell arranged at the top end of the rotating wheel, a base arranged at the top end of the shell, guide rods arranged at two sides of the top end of the base, a lifting mechanism arranged at the top end of the base, a rotating shaft arranged at the top end in a pipe body, a valve plate arranged at the bottom end of the rotating shaft, and a spring arranged at one side of the valve plate. The pipe body is installed on the outer side of the guide pipe, after materials pass through the pipe body, the valve plate can rotate through the rotating shaft, when the materials pass through the pipe body, the materials can burst through the valve plate and can be discharged through the guide pipe, then due to the elasticity of the spring, the spring can drive the valve plate to reset to block the pipe body, and meanwhile the check block can limit the rotating angle of the valve plate. When the material flows back, the valve plate can block the material, so that the material cannot flow back, the material can flow in the guide pipe in a one-way manner, and the aim of conveniently preventing the material from flowing back by the sampling device is fulfilled.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sample feeding device technical field, especially a sample feeding device. BACKGROUND

[0002] A specified method is used to test the specified technical performance index of an object. It is suitable for quality evaluation in various industries, such as civil engineering, water conservancy, food, chemistry, environment, machinery, and machine. When detecting various materials, detection equipment is needed, and there are many types of detection equipment. The detection equipment commonly used in factories has many types. When detecting, the material needs to be fed and sampled, so a sample feeding device is needed to allow the material to enter the internal detection equipment.

[0003] Therefore, the patent number CN205280589U discloses a sample feeding device for atomic fluorescence spectrometer detection, which comprises a peristaltic pump pipe, a hose, one end of the hose being connected with the peristaltic pump pipe, the other end being connected with a hard pipe, the hard pipe having one end connected with the hose and the other end being a free end, and a bushing being arranged outside the hard pipe. This sample feeding device can prevent the hard pipe free end from being inserted too deep into the detected sample container to suck the impurities at the bottom of the container, and can also prevent the hard pipe free end from being inserted too shallow into the detected sample container to cause a suction empty state, making the operation more convenient.

[0004] The above-mentioned sample feeding device can prevent the hard pipe free end from being inserted too deep into the detected sample container to suck the impurities at the bottom of the container, and can also prevent the hard pipe free end from being inserted too shallow into the detected sample container to cause a suction empty state, making the operation more convenient. However, the material may backflow during discharging, affecting the discharging efficiency of the material, and the material backflow may also block the guide rail, making it difficult to discharge the material.

[0005] The device can feed different detection equipment, but the heights of different detection equipment are different, and the device is difficult to adapt to different situations for use. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a sample feeding device to solve the defects of the existing sample feeding device that is difficult to prevent material backflow and difficult to adjust the height of the device.

[0007] In order to solve the above technical problems, the utility model provides the following technical scheme: a sample feeding device, comprising a rotating wheel;

[0008] The top end of the rotating wheel is provided with an outer shell, the top end of the outer shell is provided with a base, the two sides of the top end of the base are provided with guide rods, and the top end of the base is provided with a lifting mechanism;

[0009] The top end of the guide rod is provided with a top plate, one side of the top plate is provided with an extension structure, the top end of the top plate is provided with a box body, one side of the top end of the box body is provided with a feeding port, the bottom end of one side of the box body is provided with a pumping device, one side of the pumping device is provided with a guide pipe, and the outer side of the guide pipe is provided with a valve body structure.

[0010] The valve body structure comprises a pipe body, a rotating shaft, a valve plate, a spring and a stopper, the pipe body is arranged on the outer side of the guide pipe, the bottom end of the inner side of the pipe body is provided with the stopper, the top end of the inner side of the pipe body is provided with the rotating shaft, the bottom end of the rotating shaft is provided with the valve plate, and one side of the valve plate is provided with the spring.

[0011] In use, first, the rotating wheel is a universal wheel, the device can be moved through the rotating wheel, the anti-skid pad can enhance the friction of the handle, the handle can slide in the extension slot, the handle can be recycled in the extension slot when not in use, and the use will not be affected, when the handle needs to be fixed, the fixing screw can be tightened to fix the handle, the box body can be filled through the feeding port, the pumping device can pump out the materials in the box body through the guide pipe, and the pumped-out materials can be discharged through the bottom end of the guide pipe, so that the materials can enter the detection equipment.

[0012] Further, the lifting mechanism comprises a hydraulic cylinder, a hydraulic rod and a push plate, the hydraulic cylinder is arranged at the bottom end of the base, the top end of the hydraulic cylinder is provided with the hydraulic rod, and the top end of the hydraulic rod is provided with the push plate, and the extension of the hydraulic rod can adjust the height of the device.

[0013] Further, the top end of the push plate is provided with a mounting screw, the mounting screw is arranged in a ring shape, and the push plate is fixed to the bottom end of the box body through the mounting screw.

[0014] Further, the spring is in a spiral shape, the spring and the valve plate are elastically connected, and the spring has elasticity.

[0015] Further, the extension structure comprises a handle, an anti-skid pad, an extension slot, a baffle, a protrusion and a fixing screw, the extension slot is arranged in the top plate, the baffle is arranged in the extension slot, the handle is arranged on one side of the extension slot, the anti-skid pad is arranged on the outer side of the handle, the protrusion is arranged on one side of the handle, and the fixing screw is movably connected to the top end of the extension slot, and the handle can slide in the extension slot.

[0016] Further, the outer diameter of the handle is smaller than the inner diameter of the extension slot, and the handle and the extension slot form a sliding structure, and the handle can be extended to adjust the position of the handle.

[0017] Further, the outer side wall of the fixing screw is uniformly provided with external threads, the inner side wall of the top plate is uniformly provided with internal threads matched with the external threads, and the fixing screw is in threaded connection with the top plate, so that the handle can be fixed by tightening the fixing screw.

[0018] The sample feeding device has the advantages that: after the conduit passes through the valve plate, the valve plate prevents the material from flowing back, prevents the conduit from being blocked, and adjusts the height of the device by the extension and retraction of the hydraulic rod driven by the hydraulic cylinder, so that the device can adapt to different situations.

[0019] When the material passes through the pipe body, the valve plate is rotated by the rotating shaft, the material pushes open the valve plate, the material is discharged through the conduit, the spring is reset to block the pipe body, the block limits the rotation angle of the valve plate, the valve plate blocks the material when the material flows back, the material does not flow back, and the material flows in one direction in the conduit, so that the sample feeding device prevents the material from flowing back.

[0020] The hydraulic cylinder is installed in the housing, the hydraulic cylinder works to drive the hydraulic rod to extend and retract, the hydraulic rod drives the push plate at the top end to ascend and descend, the push plate is fixed to the bottom end of the top plate by the mounting screw, the push plate ascends and descends to drive the top plate to ascend and descend, the top plate ascends and descends to drive the box body to ascend and descend, and the box body ascends and descends to adjust the height of the conduit, so that the sample feeding device can feed materials to detection equipment of different heights. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is a front view sectional structure schematic view of the utility model;

[0023] Figure 3 It is a Figure 2 It is a local section enlarged structure schematic view of the utility model;

[0024] Figure 4 It is a valve body structure front view local section structure schematic view of the utility model;

[0025] Figure 5 It is a lifting mechanism front view local section structure schematic view of the utility model.

[0026] The reference signs in the drawing are explained as follows: 1, box body; 2, top plate; 3, base; 4, guide rod; 5, shell; 6, rotating wheel; 7, lifting mechanism; 701, hydraulic cylinder; 702, hydraulic rod; 703, push plate; 704, mounting screw; 8, valve body structure; 801, pipe body; 802, rotating shaft; 803, valve plate; 804, spring; 805, stop block; 9, guide pipe; 10, material pumping pump; 11, material inlet; 12, telescopic structure; 1201, handle; 1202, non-slip pad; 1203, telescopic groove; 1204, baffle; 1205, protrusion; 1206, fixing screw. DETAILED DESCRIPTION

[0027] 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 part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-5 The present application provides an embodiment: a sample feeding device, comprising a rotating wheel 6.

[0029] The top end of the rotating wheel 6 is provided with a shell 5, the top end of the shell 5 is provided with a base 3, the two sides of the top end of the base 3 are provided with guide rods 4, the top end of the base 3 is provided with a lifting mechanism 7, the lifting mechanism 7 comprises a hydraulic cylinder 701, a hydraulic rod 702 and a push plate 703, the hydraulic cylinder 701 is installed at the bottom end of the base 3, the top end of the hydraulic cylinder 701 is provided with the hydraulic rod 702, and the top end of the hydraulic rod 702 is provided with the push plate 703, the top end of the push plate 703 is provided with mounting screws 704, and the mounting screws 704 are arranged in a ring shape.

[0030] Referring to the drawings Figures 1-2 and the drawings Figure 5 It is shown that the hydraulic cylinder 701 works to drive the hydraulic rod 702 to extend and retract, the hydraulic rod 702 extends and retracts to drive the push plate 703 at the top end to lift, the push plate 703 is fixed to the bottom end of the top plate 2 through the mounting screws 704, the push plate 703 lifts to drive the top plate 2 to lift, the top plate 2 lifts to drive the box body 1 to lift, and the box body 1 also lifts to adjust the height of the guide pipe 9, so that the guide pipe 9 can feed materials to detection equipment of different heights.

[0031] The top end of the guide rod 4 is provided with a top plate 2, one side of the top plate 2 is provided with a telescopic structure 12, the telescopic structure 12 comprises a handle 1201, an anti-skid pad 1202, a telescopic slot 1203, a baffle 1204, a protrusion 1205 and a fixing screw 1206, the telescopic slot 1203 is arranged in the inside of the top plate 2, the inside of the telescopic slot 1203 is provided with the baffle 1204, one side of the telescopic slot 1203 is provided with the handle 1201, the outer diameter of the handle 1201 is smaller than the inner diameter of the telescopic slot 1203, and the handle 1201 and the telescopic slot 1203 constitute a sliding structure.

[0032] The outer side of the handle 1201 is provided with the anti-skid pad 1202, one side of the handle 1201 is provided with the protrusion 1205, the top end of the telescopic slot 1203 is movably connected with the fixing screw 1206, the outer side wall of the fixing screw 1206 is uniformly provided with external threads, the inner side wall of the top plate 2 is uniformly provided with internal threads matched with the external threads, and the fixing screw 1206 is in threaded connection with the top plate 2.

[0033] Referring to FIGS. 1-4, Figures 1-3 As shown in the drawings, the rotating wheel 6 is a universal wheel, the device can be moved through the rotating wheel 6, the handle 1201 can be held to push the device to move, the anti-skid pad 1202 can enhance the friction of the handle 1201, the handle 1201 can slide in the telescopic slot 1203, the handle 1201 can be recycled into the telescopic slot 1203 when not in use, which does not affect use, the handle 1201 can be fixed by tightening the fixing screw 1206 when it is necessary to be fixed, the baffle 1204 can block the protrusion 1205, and the handle 1201 can not fall off, the device can be loaded into the box body 1 through the feeding port 11, the material in the box body 1 can be pumped out through the conduit 9, and the pumped-out material can be discharged through the bottom end of the conduit 9, so that the material can enter the detection equipment.

[0034] The top end of the top plate 2 is provided with the box body 1, one side of the top end of the box body 1 is provided with the feeding port 11, the bottom end of one side of the box body 1 is provided with the material pumping pump 10, one side of the material pumping pump 10 is provided with the conduit 9, and the outer side of the conduit 9 is provided with the valve body structure 8.

[0035] The valve body structure 8 comprises a pipe body 801, a rotating shaft 802, a valve plate 803, a spring 804 and a stop block 805, the pipe body 801 is arranged on the outer side of the conduit 9, the bottom end of the inside of the pipe body 801 is provided with the stop block 805, the top end of the inside of the pipe body 801 is provided with the rotating shaft 802, the bottom end of the rotating shaft 802 is provided with the valve plate 803, one side of the valve plate 803 is provided with the spring 804, the spring 804 is in the shape of a spiral, and the spring 804 and the valve plate 803 are in elastic connection.

[0036] Referring to FIGS. 1-4, Figures 1-2 and FIGS. 1-4, Figure 4As shown, when the material passes through the pipe body 801, the valve plate 803 can be rotated through the rotating shaft 802, when the material passes through the pipe body 801, the material will rush open the valve plate 803, the material can be discharged through the conduit 9, and then due to the elasticity of the spring 804, the spring 804 will drive the valve plate 803 to reset and block the pipe body 801, and the stop block 805 will limit the angle of rotation of the valve plate 803, so that when the material backflows, the valve plate 803 will block the material, so that the material cannot backflow, so that the material can flow unidirectionally in the conduit 9.

[0037] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sample introduction device, comprising a rotary wheel (6); Its features are: The top of the rotating wheel (6) is fitted with a housing (5), the top of the housing (5) is fitted with a base (3), guide rods (4) are fitted on both sides of the top of the base (3), and a lifting mechanism (7) is fitted on the top of the base (3). The top of the guide rod (4) is fitted with a top plate (2), and a telescopic structure (12) is fitted on one side of the top plate (2). The top of the top plate (2) is fitted with a box (1), and a feed inlet (11) is fitted on one side of the top of the box (1). A pump (10) is fitted on the bottom of one side of the box (1), and a conduit (9) is fitted on one side of the pump (10). A valve body structure (8) is fitted on the outside of the conduit (9). The valve body structure (8) includes a pipe body (801), a rotating shaft (802), a valve plate (803), a spring (804), and a stop block (805). The pipe body (801) is installed on the outside of the guide tube (9). A stop block (805) is installed at the bottom of the inside of the pipe body (801). A rotating shaft (802) is installed at the top of the inside of the pipe body (801). A valve plate (803) is installed at the bottom of the rotating shaft (802). A spring (804) is installed on one side of the valve plate (803).

2. The sample introduction device according to claim 1, characterized in that: The lifting mechanism (7) includes a hydraulic cylinder (701), a hydraulic rod (702) and a push plate (703). The hydraulic cylinder (701) is installed at the bottom end of the base (3). The top end of the hydraulic cylinder (701) is equipped with a hydraulic rod (702), and the top end of the hydraulic rod (702) is equipped with a push plate (703).

3. The sample introduction device according to claim 2, characterized in that: The top of the push plate (703) is fitted with mounting screws (704), which are arranged in a ring.

4. The sample introduction device according to claim 1, characterized in that: The spring (804) is helical in shape, and the spring (804) and the valve plate (803) form an elastic connection.

5. The sample introduction device according to claim 1, characterized in that: The telescopic structure (12) includes a handle (1201), an anti-slip pad (1202), a telescopic groove (1203), a baffle (1204), a protrusion (1205), and a fixing screw (1206). The telescopic groove (1203) is located inside the top plate (2). A baffle (1204) is installed inside the telescopic groove (1203). A handle (1201) is installed on one side of the telescopic groove (1203). An anti-slip pad (1202) is installed on the outside of the handle (1201). A protrusion (1205) is provided on one side of the handle (1201). A fixing screw (1206) is movably connected to the top of the telescopic groove (1203).

6. The sample introduction device according to claim 5, characterized in that: The outer diameter of the handle (1201) is smaller than the inner diameter of the telescopic groove (1203), and the handle (1201) and the telescopic groove (1203) constitute a sliding structure.

7. The sample introduction device according to claim 5, characterized in that: The outer side wall of the fixing screw (1206) is uniformly provided with external threads, and the inner side wall of the top plate (2) is uniformly provided with internal threads that cooperate with the external threads. The fixing screw (1206) and the top plate (2) are connected by threads.

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