CN218212224U - Sampling pen for dangerous explosive detector - Google Patents

Abstract

The application discloses a sampling pen for a hazardous explosive detector, which includes a central tube of the sampling pen. Fans are installed on both sides of the internal tube of the sampling pen, and a heating wire is installed in the middle of the internal tube of the sampling pen. One side of the inner tube of the sampling pen is provided with a blocking tube, and one side of the tube of the sampling pen is provided with a nib, and the other side of the tube of the sampling pen is provided with a cap. In this application, the connecting hose is firmly fixed by pulling the tapered sleeve to ensure the sealing of the connection. When sampling under negative pressure, some solid particles that are not fully gasified will pass through the retaining cylinder together and be collected in the filter screen. The filter isolates and falls to the inside of the pen cap on the outside of the blocking barrel, and finally the pen cap can be turned to remove the pen cap, and the residual solid particles inside the pen cap can be poured out and cleaned, which can well avoid the blockage caused by solid particles during the sampling process and affect the sampling. Therefore, the problem of inconvenient handling of incompletely gasified solid particles is solved.

Description

Sampling pen for dangerous explosive detector

technical field

The application relates to the technical field of sampling pens, in particular to a sampling pen for a hazardous explosive detector.

Background technique

When detecting some dangerous explosives, it is often necessary to use a thin-film fluorescence detector. The detection process is to use the sampling pen of the detector to take samples, and then send them to the inside of the thin-film fluorescence detector through a hose, so as to facilitate fluorescence analysis. Instrument gas phase analysis.

Today's sampling pens generally have two fans on both sides of the interior. The fans work to generate negative pressure inside, so that it is easy to absorb steam and solid particles, and then heat in the middle of the sampling pen to create a high temperature environment, thereby The absorbed solid particles are gasified, and finally the steam is sent into the fluorescence analyzer. However, in the process of use, due to negative pressure suction, larger solid particles are often inhaled. Because they are not heated and gasified in time, therefore Some solid particles are brought in, which may cause blockage to the hose.

Utility model content

The purpose of the present application is to provide a sampling pen for a hazardous explosive detector to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the application provides the following technical solutions:

A sampling pen for a hazardous explosive detector, comprising: a middle tube of the sampling pen, fans are installed on both sides inside the middle tube of the sampling pen, and a heating wire is installed at the middle position inside the middle tube of the sampling pen, the sampling pen One side of the inner tube of the pen is equipped with a stopper, and one side of the sampling pen is provided with a nib, the other side of the sampling pen is provided with a cap, and one side of the inner side of the cap is equipped with a filter screen, A connecting port is installed on one side of the pen cap, and a connecting hose is sheathed on the outer wall of the connecting port.

As a further solution of the present application: the outer wall of the connecting hose is slidably connected with a tapered sleeve, and the inner diameter of the connecting hose is larger than the diameter of a part of the outer ring of the connecting port.

As a further solution of the present application: a lower threaded pipe is installed on one side of the middle pipe of the sampling pen, and a lower sealing ring is installed on one side of the outer wall of the lower threaded pipe, and the lower threaded pipe is connected to the pen head through threads.

As a further solution of the present application: an upper threaded pipe is installed on the other side of the middle pipe of the sampling pen, and an upper sealing ring is installed on one side of the outer wall of the upper threaded pipe, and the upper threaded pipe is connected to the pen cap through threads.

As a further solution of the present application: a heat-insulating rubber sleeve is installed at the middle position of the outer wall of the tube in the sampling pen, and the outer wall of the heat-insulating rubber sleeve is evenly provided with anti-slip grooves.

As a further solution of the present application: the minimum diameter of the tapered sleeve is equal to the diameter of the outer ring of the connecting hose, and the maximum diameter of the tapered sleeve is smaller than the maximum diameter of the connection port.

Compared with prior art, the beneficial effect of the present application is:

The sampling pen of the hazardous explosive detector, by putting the connecting hose on the outer wall of the connection port, and pulling the tapered sleeve, the connecting hose is firmly fixed to ensure the sealing of the connection. When performing negative pressure sampling, some parts are not fully The gasified solid particles will pass through the retaining cylinder together, and fall to the inside of the pen cap outside the retaining cylinder through the filtration isolation of the filter screen. Finally, the pen cap can be turned to remove the pen cap, and the residual solid particles inside the pen cap can be poured out Cleaning can well avoid the blockage caused by solid particles during the sampling process and affect sampling, thus solving the problem of inconvenient handling of incompletely gasified solid particles.

Description of drawings

Fig. 1 is a schematic diagram of the exploded structure of the present application.

FIG. 2 is a schematic diagram of the three-dimensional structure of the present application.

Fig. 3 is a schematic diagram of the three-dimensional structure of the pen cap of the present application.

Fig. 4 is a front view sectional structure diagram of the tube in the sampling pen of the present application.

Fig. 5 is a schematic diagram of the three-dimensional structure of the blocking cylinder of the present application.

In the figure: 1. Connecting hose; 2. Filter screen; 3. Pen cap; 4. Upper threaded tube; 5. Middle tube of sampling pen; 6. Pen head; 7. Lower threaded tube; Anti-skid groove; 10, retaining cylinder; 11, tapered sleeve; 12, connection port; 13, upper sealing ring; 14, fan; 15, heating wire; 16, lower sealing ring.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

As shown in Fig. 1-5, a kind of sampling pen of hazardous explosive detector in the present embodiment comprises: tube 5 in the sampling pen, fans 14 are installed on both sides of the tube 5 in the sampling pen, and tube 5 in the sampling pen A heating wire 15 is installed at the middle position of the inside, a stopper tube 10 is installed on one side inside the tube 5 of the sampling pen, and a nib 6 is provided on one side of the tube 5 in the sampling pen, and the other side of the tube 5 in the sampling pen A pen cap 3 is provided, and a filter screen 2 is installed on one side of the pen cap 3 , and a connecting port 12 is installed on one side of the pen cap 3 , and a connecting hose 1 is provided on the outer wall of the connecting port 12 .

As shown in FIG. 1 , FIG. 2 and FIG. 3 , in this embodiment, the outer wall of the connecting hose 1 is slidably connected with a tapered sleeve 11 , and the inner diameter of the connecting hose 1 is larger than the diameter of part of the outer ring of the connecting port 12 .

It should be noted that, since the inner diameter of the connecting hose 1 is larger than the diameter of part of the outer circle of the connecting port 12 , it is convenient to sleeve the connecting hose 1 on the connecting port 12 with a certain deformation.

As shown in Fig. 1, Fig. 2 and Fig. 4, in the present embodiment, a lower threaded pipe 7 is installed on one side of the pipe 5 in the sampling pen, and a lower sealing ring 16 is installed on one side of the outer wall of the lower threaded pipe 7, and the lower threaded pipe 7 is connected with nib 6 by screw thread.

It should be noted that the nib 6 is installed on the lower threaded pipe 7 by rotating it, and sealed by the lower sealing ring 16, which facilitates the sealing installation of the nib 6 and facilitates disassembly.

As shown in Fig. 1, Fig. 2 and Fig. 4, in the present embodiment, an upper threaded pipe 4 is installed on the other side of the pipe 5 in the sampling pen, and an upper sealing ring 13 is installed on one side of the outer wall of the upper threaded pipe 4, and the upper thread Pipe 4 is connected with pen cap 3 by thread.

It should be noted that the pen cap 3 is installed on the upper threaded pipe 4 by turning, and sealed by the upper sealing ring 13, which facilitates the sealing installation of the pen cap 3 and facilitates disassembly at the same time.

As shown in Fig. 1, Fig. 2 and Fig. 4, in this embodiment, a heat-insulating rubber sleeve 8 is installed at the middle position of the outer wall of the pipe 5 in the sampling pen, and the outer wall of the heat-insulating rubber sleeve 8 is evenly provided with anti-slip grooves 9.

It should be noted that heat is isolated to a certain extent through the heat-insulating rubber sleeve 8, and the anti-skid performance of the hand is improved through the setting of the anti-skid groove 9, making the use more comfortable.

As shown in FIG. 1 and FIG. 3 , in this embodiment, the minimum diameter of the tapered sleeve 11 is equal to the diameter of the outer ring of the connecting hose 1 , and the maximum diameter of the tapered sleeve 11 is smaller than the maximum diameter of the connection port 12 .

It should be noted that since the minimum diameter of the tapered sleeve 11 is equal to the diameter of the outer ring of the connecting hose 1, and the maximum diameter of the tapered sleeve 11 is smaller than the maximum diameter of the connecting port 12, it is convenient to pull the tapered sleeve 11 to connect the hose. 1 Firmly fixed to ensure the sealing of the connection.

It can be understood that the sampling pen of the hazardous explosive detector can stably install the connecting hose 1 to ensure the sealing of the connection of the sampling pen. When sampling, it can isolate and clean the incompletely gasified solid particles to avoid cause pipe blockage.

The working principle of the above-mentioned embodiment is:

When in use, first place the fluorescence analysis detector on the workbench, then put the connection hose 1 on one side of the fluorescence analysis detector on the outer wall of the connection port 12, and pull the conical sleeve 11 to firmly fix the connection hose 1 At this time, the heating wire 15 is controlled to heat the high-temperature area, the heat is isolated to a certain extent by the heat-insulating rubber sleeve 8, and the anti-skid performance of the hand is improved through the setting of the anti-skid groove 9, and the fan 14 is started to work to manufacture the inside of the sampling pen middle tube 5 Negative pressure, so that it is convenient to inhale the steam and solid particles on the surface of the object to be detected, and gasify at high temperature, and at the same time, some solid particles that are not completely gasified pass through the blocking cylinder 10, and finally are filtered and isolated by the filter screen 2. Fall to the inside of the pen cap 3, so that the steam enters the interior of the fluorescence analysis detector through the connecting hose 1 for detection. After the detection is completed, the pen cap 3 can be turned to disassemble the pen cap 3, and the residual solid particles inside the pen cap 3 can be poured out and cleaned.

In this application, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, unless otherwise clearly specified and limited. , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Among them, there are many ways of detachable installation, for example, the way of plugging and buckling can be used, and for example, the way of bolt connection and so on.

It will be apparent to those skilled in the art that the present application is not limited to the details of the exemplary embodiments described above, but that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and not restrictive in all points of view, and the scope of the application is defined by the appended claims rather than the foregoing description, and it is intended that the scope of the present application be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in this application. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (5)

1. A hazardous explosives detector sampling pen, comprising: middle pipe (5) of sample pen, its characterized in that: the sampling pen is characterized in that fans (14) are mounted on two sides of the interior of the sampling pen middle tube (5), a heating wire (15) is mounted in the middle of the interior of the sampling pen middle tube (5), a material blocking tube (10) is mounted on one side of the interior of the sampling pen middle tube (5), a pen point (6) is arranged on one side of the sampling pen middle tube (5), a pen cap (3) is arranged on the other side of the sampling pen middle tube (5), a filter screen (2) is mounted on one side of the interior of the pen cap (3), a connecting port (12) is mounted on one side of the pen cap (3), and a connecting hose (1) is sleeved on the outer wall of the connecting port (12);

the outer wall of the connecting hose (1) is connected with a conical sleeve (11) in a sliding mode, and the inner diameter of the connecting hose (1) is larger than the diameter of a part of the outer ring of the connecting port (12).

2. The sampling pen of a dangerous explosive detector according to claim 1, characterized in that: lower screwed pipe (7) is installed to one side of well pipe (5) in the sample pen, and lower sealing washer (16) is installed to one side of lower screwed pipe (7) outer wall, lower screwed pipe (7) link to each other with nib (6) through the screw thread.

3. The sampling pen of a hazardous explosive detector according to claim 1, wherein: the utility model discloses a pen cap, including the sample pen well pipe (5), the opposite side of pipe (5) is installed and is gone up screwed pipe (4), and goes up screwed pipe (4) and install sealing washer (13) on one side of screwed pipe (4) outer wall, it links to each other with pen cap (3) through the screw thread to go up screwed pipe (4).

4. The sampling pen of a hazardous explosive detector according to claim 1, wherein: the middle position department of well pipe (5) outer wall installs thermal-insulated rubber sleeve (8) in the sample pen, and anti-skidding groove (9) have evenly been seted up to the outer wall of thermal-insulated rubber sleeve (8).

5. The sampling pen of a dangerous explosive detector according to claim 1, characterized in that: the minimum diameter of the conical sleeve (11) is equal to the diameter of the outer ring of the connecting hose (1), and the maximum diameter of the conical sleeve (11) is smaller than the maximum diameter of the connecting port (12).

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