CN215678241U

CN215678241U - Discharge ionization detector with protective structure

Info

Publication number: CN215678241U
Application number: CN202122017590.7U
Authority: CN
Inventors: 王冲; 赵贺; 俞金
Original assignee: Beijing Gao Mai Ke Instrument S & T Co ltd
Current assignee: Beijing Gao Mai Ke Instrument S & T Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-28
Anticipated expiration: 2031-08-25

Abstract

The utility model belongs to the technical field of discharge ionization detectors, in particular to a discharge ionization detector with a protection structure, aiming at the problem that the service life of the conventional discharge ionization detector is easily reduced because dust in the air easily affects the discharge ionization detector when the conventional discharge ionization detector is exposed outside and is not used for a long time, the utility model provides the following scheme. When the discharge ionization detector is not used, the discharge ionization detector body is prevented from being exposed outside through the protective cover, the service life of the discharge ionization detector body is prolonged, the protective cover is convenient to fix, and the use is convenient.

Description

Discharge ionization detector with protective structure

Technical Field

The utility model relates to the technical field of discharge ionization detectors, in particular to a discharge ionization detector with a protection structure.

Background

The discharge ionization detector is an ionization detector utilizing dielectric barrier discharge that is ionized by dielectric barrier discharge plasma, and as detectors used for gas chromatographs, various detectors such as a thermal conductivity detector, an electron capture detector, a flame ionization detector, a flame photometric detector, and a flame thermionic detector have been put into practical use. Among these detectors, discharge ionization detectors are most widely used, particularly for detecting organic substances.

However, the existing discharge ionization detector is usually exposed to the outside and is not used for a long time, and the service life of the discharge ionization detector is easily reduced because dust in the air affects the discharge ionization detector, so we propose a discharge ionization detector with a protective structure to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the service life of a discharge ionization detector is reduced because dust in the air easily affects the discharge ionization detector when the conventional discharge ionization detector is exposed and is not used for a long time, and the discharge ionization detector with a protection structure is provided.

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

the discharge ionization detector with the protection structure comprises a base, wherein the top of the base is provided with a discharge ionization detector body and a protective cover, the discharge ionization detector body is positioned at the inner side of the protective cover, the top of the protective cover is fixedly provided with a handle, the inner side of the handle is connected with a transverse plate in a sliding manner, two sides of the transverse plate extend to the outer side of the handle, the bottom of the protective cover is provided with two vertical grooves, vertical rods are connected in the two vertical grooves in a sliding manner, the top ends of the two vertical rods extend to the upper side of the protective cover and are fixedly connected with the transverse plate, the bottom ends of the two vertical rods are fixedly connected with pull wires, sockets are fixedly arranged in the two vertical grooves, the top of the base is provided with two slots, the two sockets are movably connected in the corresponding slots, the top of the two sockets are provided with connecting grooves, the two pull wires extend to the corresponding connecting grooves and are fixedly connected with trapezoidal blocks, the equal fixedly connected with spring in one side that two trapezoidal pieces kept away from each other, one side fixed connection that two springs kept away from each other all have seted up the fixed slot on the inner wall of one side that two slots are close to each other on the inner wall of corresponding spread groove, and two trapezoidal piece swing joint are in corresponding fixed slot.

Preferably, the side holes are formed in the two sides of the handle, and the transverse plate is connected in the two side holes in a sliding mode.

Preferably, two vertical holes are formed in the top of the protective cover, and the two vertical rods are connected in the corresponding vertical holes in a sliding mode.

Preferably, a limiting rod is fixedly installed in the connecting groove, a limiting plate is arranged at the bottom of the trapezoidal block, and the limiting plate is slidably sleeved on the outer side of the limiting rod.

Preferably, a guide shaft is fixedly installed in the connecting groove, and the pull wire is connected to the guide shaft in a transmission mode.

Preferably, a sliding hole is formed in the inner wall of one side of the connecting groove, and the trapezoidal block is connected in the sliding hole in a sliding mode.

According to the discharge ionization detector with the protection structure, when the discharge ionization detector is not used, the discharge ionization detector body can be prevented from being exposed outside through the protection cover, the service life of the discharge ionization detector body is prolonged, the two trapezoidal blocks can move away from each other and extrude two springs through the common matching of the two vertical rods and the two pull wires by holding the handle and pulling the transverse plate, the two trapezoidal blocks can slide out of the corresponding fixing grooves, the protection cover can be removed, the protection cover can be conveniently removed to operate and use the discharge ionization detector body, and the operation and the use are convenient;

when the discharge ionization detector is not used, the discharge ionization detector body is prevented from being exposed outside through the protective cover, the service life of the discharge ionization detector body is prolonged, the protective cover is convenient to fix, and the use is convenient.

Drawings

Fig. 1 is a schematic perspective view of a discharge ionization detector with a shielding structure according to the present invention;

FIG. 2 is a schematic cross-sectional view of a discharge ionization detector with a shielding structure according to the present invention;

fig. 3 is a schematic structural diagram of a portion a of a discharge ionization detector with a shielding structure according to the present invention.

In the figure: 1. a base; 2. a discharge ionization detector body; 3. a protective cover; 4. a grip; 5. a transverse plate; 6. a side hole; 7. a vertical slot; 8. a vertical rod; 9. a pull wire; 10. a socket; 11. a slot; 12. connecting grooves; 13. a guide shaft; 14. a trapezoidal block; 15. a spring; 16. a slide hole; 17. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of this patent does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Referring to fig. 1-3, the discharge ionization detector with a protection structure comprises a base 1, a discharge ionization detector body 2 and a protective cover 3 are arranged at the top of the base 1, the discharge ionization detector body 2 is positioned at the inner side of the protective cover 3, a handle 4 is fixedly arranged at the top of the protective cover 3, a transverse plate 5 is slidably connected at the inner side of the handle 4, both sides of the transverse plate 5 extend to the outer side of the handle 4, two vertical grooves 7 are arranged at the bottom of the protective cover 3, vertical rods 8 are slidably connected in the two vertical grooves 7, the top ends of the two vertical rods 8 extend to the upper side of the protective cover 3 and are fixedly connected with the transverse plate 5, pull wires 9 are fixedly connected at the bottom ends of the two vertical rods 8, sockets 10 are fixedly arranged in the two vertical grooves 7, two slots 11 are arranged at the top of the base 1, the two sockets 10 are movably connected in the corresponding slots 11, and connecting slots 12 are arranged at the top of the two sockets 10, two act as go-between 9 extend to corresponding spread groove 12 in and fixedly connected with trapezoidal piece 14, the equal fixedly connected with spring 15 in one side that two trapezoidal pieces 14 kept away from each other, one side fixed connection that two springs 15 kept away from each other on the inner wall of corresponding spread groove 12, fixed slot 17 has all been seted up on the one side inner wall that two slots 11 are close to each other, two trapezoidal pieces 14 swing joint are in corresponding fixed slot 17.

In the utility model, the two sides of the handle 4 are both provided with the side holes 6, and the transverse plate 5 is slidably connected in the two side holes 6, so that the transverse plate 5 can be conveniently extended out of the handle 4.

In the utility model, two vertical holes are formed in the top of the protective cover 3, and the two vertical rods 8 are slidably connected in the corresponding vertical holes, so that the two vertical rods 8 can be conveniently and slidably connected.

In the utility model, a limiting rod is fixedly arranged in the connecting groove 12, a limiting plate is arranged at the bottom of the trapezoidal block 14, and the limiting plate is sleeved outside the limiting rod in a sliding manner to limit the trapezoidal block 14.

In the utility model, a guide shaft 13 is fixedly arranged in the connecting groove 12, and the stay wire 9 is connected to the guide shaft 13 in a transmission way and plays a role in guiding the stay wire 9.

In the utility model, the inner wall of one side of the connecting groove 12 is provided with the sliding hole 16, and the trapezoidal block 14 is connected in the sliding hole 16 in a sliding way, so that the trapezoidal block 14 can be conveniently extended into the fixing groove 17.

In the utility model, when the discharge ionization detector is used, the handle 4 is only needed to be held by hand and the transverse plate 5 is pulled to move upwards, the two trapezoidal blocks 14 can be pulled to move away from each other and extrude the two springs 15 through the two vertical rods 8 and the two pull wires 9, then the two trapezoidal blocks 14 can slide out of the corresponding fixing grooves 17, the protection cover 3 can be released from being fixed, and then the protection cover 3 can be taken down through the handle 4 to operate and use the discharge ionization detector body 2.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Discharge ionization detector with protective structure, including base (1), its characterized in that, the top of base (1) is equipped with discharge ionization detector body (2) and protection casing (3), discharge ionization detector body (2) are located the inboard of protection casing (3), the top fixed mounting of protection casing (3) has handle (4), the inboard sliding connection of handle (4) has diaphragm (5), the both sides of diaphragm (5) all extend to the outside of handle (4), two vertical slots (7) have been seted up to the bottom of protection casing (3), and equal sliding connection has montant (8) in two vertical slots (7), and the top of two montants (8) all extends to the top of protection casing (3) and with diaphragm (5) fixed connection, the equal fixedly connected with in bottom of two montants (8) acts as go-between (9), equal fixed mounting has socket (10) in two perpendicular grooves (7), two slot (11) have been seted up at the top of base (1), two socket (10) swing joint are in corresponding slot (11), spread groove (12) have all been seted up at the top of two socket (10), two stay wires (9) extend to in corresponding spread groove (12) and fixedly connected with trapezoidal piece (14), the equal fixedly connected with spring (15) in one side that two trapezoidal pieces (14) kept away from each other, one side fixed connection that two springs (15) kept away from each other is on the inner wall of corresponding spread groove (12), fixed slot (17) have all been seted up on the one side inner wall that two slots (11) are close to each other, two trapezoidal piece (14) swing joint are in corresponding fixed slot (17).

2. The detector of claim 1, wherein side holes (6) are opened on both sides of the handle (4), and the horizontal plate (5) is slidably connected in the two side holes (6).

3. The discharge ionization detector with the protection structure according to claim 1, wherein the top of the protection cover (3) is provided with two vertical holes, and the two vertical rods (8) are slidably connected in the corresponding vertical holes.

4. The detector of claim 1, wherein a limiting rod is fixedly installed in the connecting groove (12), and a limiting plate is disposed at the bottom of the trapezoidal block (14) and slidably sleeved outside the limiting rod.

5. The discharge ionization detector with the protective structure according to claim 1, wherein a guide shaft (13) is fixedly installed in the connecting groove (12), and the pull wire (9) is in transmission connection with the guide shaft (13).

6. The discharge ionization detector with the protective structure according to claim 1, wherein a slide hole (16) is opened on one side inner wall of the connecting groove (12), and the trapezoidal block (14) is slidably connected in the slide hole (16).