CN219038938U

CN219038938U - High-efficient sampling device of gas chromatography mass spectrometer

Info

Publication number: CN219038938U
Application number: CN202223352109.0U
Authority: CN
Inventors: 郑美丽; 王俊捷; 吴小燕
Original assignee: Zhejiang Huagui Environmental Testing Co ltd
Current assignee: Zhejiang Huagui Environmental Testing Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-16
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a high-efficiency sampling device of a gas chromatograph-mass spectrometer, which comprises a sampler body, wherein a connecting wire is arranged at the bottom of the sampler body, a sampling tube is placed inside the sampler body, a portable clamping mechanism is arranged outside the sampler body, a wire harness damage prevention component is arranged at the upper end of the connecting wire, and an adaptive sliding block and an empty bin are rectangular, so that the adaptive sliding block synchronously slides in the empty bin to approach, a supporting plate fixedly connected with the upper end of the adaptive sliding block is indirectly driven by the adaptive sliding block to synchronously approach, and a clamping part is driven by the supporting plate to gradually approach and attach to the outer wall of the sampler body, so that the sampler body is firmly clamped and fixed, and then the sampler body is placed on a horizontal plane through a placing chassis below the sampler body, so that the stability of the sampler body in use is ensured, and meanwhile, the sampler body is prevented from sliding off from hands of a user to cause damage.

Description

High-efficient sampling device of gas chromatography mass spectrometer

Technical Field

The utility model relates to the field of gas chromatography-mass spectrometry, in particular to a high-efficiency sampling device of a gas chromatography-mass spectrometry.

Background

The patent publications are currently: CN217688763U, named an automatic sampling device of a gas chromatograph-mass spectrometer, which proposes "the existing automatic sampling device of the gas chromatograph-mass spectrometer, when the conventional portable gas chromatograph-mass spectrometer is used, sampling detection is usually performed through the sampling device, but the conventional sampling device is easy to collide and squeeze in the carrying process, which may cause damage to the sampling main body and affect the practicality of the device", so that the device sets a sliding cover on the sampling main body, the sliding cover is slidably mounted, when the device is carried and placed, the sliding cover can be covered on the surface of the sampling main body, the sampling main body is protected through the sliding cover, the sampling main body is prevented from being damaged by collision, and the sliding cover is taken down when in use, thereby improving the practicability of the device;

the device realizes the safety protection of the sampling device, but has lower convenience in the use process, so that the device is inconvenient for a user to hold the device, and when the user holds the device, the device easily slides down from the hand, so that the whole protection degree of the device is lower, and in addition, the bottom of the device is provided with an external wiring, and the wire harness is easy to break in the use process;

therefore, the utility model provides a high-efficiency sampling device of a gas chromatography-mass spectrometer, which overcomes the defects of the prior art.

Disclosure of Invention

In order to solve the technical problems, the technical scheme provides the high-efficiency sampling device of the gas chromatography-mass spectrometer, which solves the corresponding technical problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the high-efficiency sampling device of the gas chromatography mass spectrometer comprises a sampler body, wherein a connecting wire is arranged at the bottom of the sampler body, a sampling tube is arranged in the sampler body, a portable clamping mechanism is arranged outside the sampler body, and a wire harness damage prevention component is arranged at the upper end of the connecting wire;

the portable clamping mechanism comprises: place chassis, empty storehouse, two-way lead screw, adaptation slider, knob, backup pad, pull rod, clamping part, the below of sampler body is provided with places the chassis, just place the inside of chassis central point put and be vertically offered the empty storehouse, just the two-way lead screw is installed at the center of empty storehouse, the adaptation slider is all installed at the left and right sides both ends of two-way lead screw, the right-hand member end fixedly connected with knob of two-way lead screw, just the upper end fixedly connected with backup pad of knob, and the backup pad upper end is close to the one end fixedly connected with clamping part of sampler body, the outer wall fixedly connected with pull rod of backup pad.

Preferably, the empty bin and the adapting sliding block are rectangular, and the adapting sliding block is slidably connected to the inside of the empty bin.

Preferably, the bidirectional screw rod is connected to the inner wall of the empty bin through a bearing, and the bidirectional screw rod is mutually matched with the adapting sliding block.

Preferably, the surface of one side of the clamping part, which is close to the sampler body, is an arc-shaped surface, and a soft cushion is attached to the surface of the arc-shaped surface, and is made of soft rubber with anti-skid patterns.

Preferably, the harness damage prevention assembly includes: the utility model discloses a connecting wire, including cross axle, protective sheath, laminating portion, the backup pad lower extreme is the equal fixedly connected with cross axle of bilateral symmetry near one side surface of connecting wire, just the one end fixedly connected with protective sheath that the cross axle is close to the connecting wire, and the protective sheath is close to one side surface of connecting wire all and is provided with laminating portion.

Preferably, the protective sleeve is semi-cylindrical, and the attaching part is made of rubber.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The high-efficiency sampling device of the gas chromatograph-mass spectrometer realizes that the adapter slide block and the empty bin are rectangular, so that the adapter slide block slides in opposite directions in the empty bin synchronously, the adapter slide block drives the supporting plate fixedly connected with the upper end of the adapter slide block to synchronously move in opposite directions, the supporting plate drives the clamping part to gradually move close to and attach to the outer wall of the sampler body, so that the sampler body is firmly clamped and fixed, and then the sampler body is placed on a horizontal plane through the placing chassis below the sampler body, thereby ensuring the stability of the sampler body in use, and avoiding the sampler body from being damaged due to the sliding of the hand of a user;

(2) The high-efficiency sampling device of the gas chromatograph-mass spectrometer realizes that two groups of lifting rods are oppositely close when the supporting plates are oppositely close, so that an area which can be held by a user is formed above the sampler body, the portability of the user in the sampling process is improved, and meanwhile, the user can conveniently transport the sampler body by holding the upper ends of the lifting rods;

(3) This high-efficient sampling device of gas chromatograph mass spectrometer has realized utilizing two sets of protective sheath that are semi-cylindrical to form the protection space at the junction of connecting wire and sampler body to under the supplementary laminating effect of laminating portion, promote the compactness of protective sheath laminating connecting wire outer wall on the one hand, and reduce the damage to the connecting wire simultaneously, on the other hand, prevent that the connecting wire is unexpected to drop or lead to the connecting wire impaired because of dragging effectively.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic bottom perspective view of the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional perspective view of the upper surface of the placement chassis of the present utility model;

FIG. 4 is a schematic view of a partial cross-sectional perspective structure of a hollow silo of the present utility model;

FIG. 5 is a partially enlarged perspective view of the structure of FIG. 1A according to the present utility model;

fig. 6 is a partially enlarged perspective view of fig. 2B according to the present utility model.

The reference numerals in the figures are:

1. a sampler body; 11. a connecting wire; 12. a sampling tube;

2. a portable clamping mechanism; 21. placing a chassis; 22. empty bin; 23. a two-way screw rod; 24. an adaptive slider; 25. a knob; 26. a support plate; 27. a lifting rod; 28. a clamping part;

3. a harness damage prevention assembly; 31. a horizontal axis; 32. a protective sleeve; 33. and a bonding part.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 5, a high-efficiency sampling device of a gas chromatograph-mass spectrometer includes a sampler body 1, a connecting wire 11 is installed at the bottom of the sampler body 1, a sampling tube 12 is placed inside the sampler body 1, and a portable clamping mechanism 2 is arranged outside the sampler body 1;

the portable clamping mechanism 2 includes: place chassis 21, the blank 22, two-way lead screw 23, the adaptation slider 24, knob 25, backup pad 26, the lifting rod 27, clamping part 28, the below of sampler body 1 is provided with places chassis 21, and the inside of placing chassis 21 central point put is vertically offered blank 22, and the center of blank 22 installs two-way lead screw 23, two-way lead screw 23's both ends all install adaptation slider 24 about, blank 22, adaptation slider 24 all are the rectangle, and adaptation slider 24 sliding connection is in the inside of blank 22, two-way lead screw 23 passes through the bearing and connects in the inner wall of blank 22, two-way lead screw 23 and the mutual adaptation of adaptation slider 24, the right-hand member end fixedly connected with knob 25 of two-way lead screw 23, and the upper end fixedly connected with backup pad 26 of knob 25, and the one end fixedly connected with clamping part 28 of backup pad 26 upper end near sampler body 1, the one side surface that clamping part 28 is close to sampler body 1 is the arc face, and the surface laminating of arc face has the cushion, this cushion is the soft rubber material with anti-skidding line, the outer wall fixedly connected with pole 27 of backup pad 26.

Working principle: when in use, when the supporting plate 26 is oppositely approaching, the transverse shaft 31 and the protecting sleeve 32 are driven to gradually approach the outer wall of the connecting wire 11, so that the two groups of semi-cylindrical protecting sleeves 32 are utilized to form a protecting space at the connecting part of the connecting wire 11 and the sampler body 1, and under the auxiliary attaching effect of the attaching part 33, the compactness of the protecting sleeve 32 attached to the outer wall of the connecting wire 11 is improved, the damage to the connecting wire 11 is reduced, and on the other hand, the connecting wire 11 is effectively prevented from accidentally falling off or being damaged due to pulling

Example two

Referring to fig. 6, a harness damage prevention assembly 3 is provided at an upper end of a connection wire 11, and the harness damage prevention assembly 3 includes: the cross shaft 31, the protective sheath 32, laminating portion 33, the lateral surface that backup pad 26 lower extreme is close to connecting wire 11 is bilateral symmetry all fixedly connected with cross shaft 31, and the one end fixedly connected with protective sheath 32 that cross shaft 31 is close to connecting wire 11, and protective sheath 32 is semi-cylindrical, and laminating portion 33 is rubber material and protective sheath 32 is close to connecting wire 11's one side surface all is provided with laminating portion 33.

Working principle: when backup pad 26 is facing to when being close to, still can drive cross axle 31 and protective sheath 32 and be close to gradually to the outer wall of connecting wire 11 to utilize two sets of protective sheath 32 that are semi-cylindrical to form the protection space at the junction of connecting wire 11 and sampler body 1, and under the supplementary laminating effect of laminating portion 33, promote the compactness of protective sheath 32 laminating connecting wire 11 outer wall on the one hand, and reduce the damage to connecting wire 11 simultaneously, on the other hand, prevent effectively that connecting wire 11 is unexpected to drop or lead to connecting wire 11 to be impaired because of pulling.

The complete working principle of the above embodiment is as follows:

firstly, when a user uses the device for the first time, the user can place the upper end part of the sampler body 1 between two groups of clamping parts 28 according to the example shown in fig. 1, then the user holds the knob 25 and rotates the knob 25 to drive the supporting plate 26 in the empty chamber 22 to rotate, along with the rotation of the supporting plate 26, the adaptive sliding blocks 24 arranged at the left end and the right end of the supporting plate 26 slide along the track of the supporting plate 26, and as the adaptive sliding blocks 24 and the empty chamber 22 are rectangular, the adaptive sliding blocks 24 synchronously slide in the empty chamber 22 and synchronously approach each other, the adaptive sliding blocks 24 drive the supporting plate 26 fixedly connected with the upper end of the adaptive sliding blocks, and then the supporting plate 26 drives the clamping parts 28 to gradually approach and adhere to the outer wall of the sampler body 1, so that the sampler body 1 is firmly clamped and fixed, and then the positioning chassis 21 below the sampler body 1 is placed on a horizontal plane, so that the stability of the sampler body 1 in use is ensured, and meanwhile, the sampler body 1 is prevented from being damaged due to the fact that the hands of the user slide down from the sampler body 1 is synchronously moved in the empty chamber;

simultaneously, when the supporting plates 26 are oppositely approached, the two groups of lifting rods 27 are oppositely approached, so that an area for a user to hold is formed above the sampler body 1, the portability of the user in the sampling process is improved, and meanwhile, the user can conveniently transport the sampler body 1 through the upper ends of the handheld lifting rods 27;

in addition, when backup pad 26 subtending is close to, still can drive cross axle 31 and protective sheath 32 and be close to the outer wall of connecting wire 11 gradually to utilize two sets of protective sheath 32 that are semi-cylindrical to form the protection space at the junction of connecting wire 11 and sampler body 1, and under the supplementary laminating effect of laminating portion 33, promote the compactness of protective sheath 32 laminating connecting wire 11 outer wall on the one hand, and reduce the damage to connecting wire 11 simultaneously, on the other hand, prevent effectively that connecting wire 11 is unexpected to drop or lead to connecting wire 11 to be impaired because of pulling.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient sampling device of gas chromatography mass spectrometer, includes sampler body (1), its characterized in that: the portable sampler comprises a sampler body (1), and is characterized in that a connecting wire (11) is arranged at the bottom of the sampler body (1), a sampling tube (12) is arranged in the sampler body (1), a portable clamping mechanism (2) is arranged outside the sampler body (1), and a wire harness damage prevention assembly (3) is arranged at the upper end of the connecting wire (11);

the portable clamping mechanism (2) comprises: place chassis (21), empty storehouse (22), two-way lead screw (23), adaptation slider (24), knob (25), backup pad (26), lifting lever (27), clamping part (28), the below of sampler body (1) is provided with places chassis (21), just the inside of placing chassis (21) central point put is vertically offered empty storehouse (22), and two-way lead screw (23) are installed at the center of empty storehouse (22), adaptation slider (24) are all installed at the left and right sides both ends of two-way lead screw (23), the right-hand member end fixedly connected with knob (25) of two-way lead screw (23), just the upper end fixedly connected with backup pad (26) of knob (25), and the one end fixedly connected with clamping part (28) that is close to sampler body (1) on backup pad (26), the outer wall fixedly connected with lifting lever (27) of backup pad (26).

2. The high-efficiency sampling device of the gas chromatography-mass spectrometer, according to claim 1, wherein: the empty bin (22) and the adapting sliding block (24) are rectangular, and the adapting sliding block (24) is connected inside the empty bin (22) in a sliding mode.

3. The high-efficiency sampling device of the gas chromatography-mass spectrometer, according to claim 1, wherein: the bidirectional screw rod (23) is connected to the inner wall of the empty bin (22) through a bearing, and the bidirectional screw rod (23) is mutually matched with the adapting sliding block (24).

4. The high-efficiency sampling device of the gas chromatography-mass spectrometer, according to claim 1, wherein: the surface of one side of the clamping part (28) close to the sampler body (1) is an arc-shaped surface, and the surface of the arc-shaped surface is attached with a soft cushion.

5. The high-efficiency sampling device of the gas chromatography-mass spectrometer, according to claim 1, wherein: the harness damage prevention assembly (3) includes: the utility model discloses a connecting wire, including cross axle (31), protective sheath (32), laminating portion (33), the side surface that backup pad (26) lower extreme is close to connecting wire (11) is bilateral symmetry all fixedly connected with cross axle (31), just one end fixedly connected with protective sheath (32) that cross axle (31) are close to connecting wire (11), and one side surface that protective sheath (32) are close to connecting wire (11) all is provided with laminating portion (33).

6. The high-efficiency sampling device of the gas chromatography-mass spectrometer of claim 5, wherein: the protective sleeve (32) is semi-cylindrical, and the attaching part (33) is made of rubber.