CN217820208U

CN217820208U - Stable sampling device who is difficult for skew

Info

Publication number: CN217820208U
Application number: CN202221811827.7U
Authority: CN
Inventors: 李宝江; 杨文德
Original assignee: Beijing Jiangbo Environmental Technology Co ltd
Current assignee: Beijing Jiangbo Environmental Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-11-15
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a belong to sampling device technical field, specifically be a stable sampling device who is difficult for skew, which comprises a frame, install longitudinal movement mechanism on the lateral wall of frame, all weld portal frame, two above longitudinal movement mechanism's the both sides transverse movement mechanism is installed to transverse movement between the portal frame, elevating system is installed to transverse movement mechanism's movable block front side, elevating system's lower extreme is installed and is used for connecting the solenoid valve mechanism of advancing appearance pipe and vacuum tube, solenoid valve mechanism's gas outlet has the syringe through the luer union coupling, at first can constitute three-dimensional cartesian coordinate system through transverse movement mechanism, longitudinal movement structure and elevating system, can move in proper order through the syringe of automatic control like this and advance appearance operation, and solenoid valve mechanism's setting can the automatic switch over state of syringe, reaches sampling state or evacuation state, and the setting cooperation constant head tank of backup pad and locating piece can restrict the position of appearance bottle tray.

Description

Stable sampling device who is difficult for skew

Technical Field

The utility model relates to a sampling device technical field specifically is a stabilize sampling device who is difficult for squinting.

Background

The sample injection is a method of quantitatively adding a substance to be measured to a chromatographic column for chromatographic analysis. The traditional sample introduction mode is that an operator manually operates a sample bottle for sample introduction, and manually opens the sample bottle for complete manual operation. Air intake is mainly achieved manually. The method has the advantages of low working efficiency, high working strength, low accuracy, easy experimental error and waste of precious time of scientific research personnel.

The automatic gas sample feeding device for gas chromatography at the present stage has the following defects: the sample bottle tray that uses at present needs the corresponding position usually when putting, causes like this to put the time long, and the tray size is unified moreover, can not change the tray of equidimension as required, is unfavorable for the use of different advance kind demands.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stable sampling device who is difficult for skew to the sample bottle tray that provides at present when putting need correspond the position usually in the solution of above-mentioned background art, cause like this to put for a long time, the tray size is unified moreover, can not change the tray of equidimension as required, is unfavorable for the problem that the different demands of advancing were used.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stable sampling device who is difficult for skew, includes the frame, install longitudinal movement mechanism on the lateral wall of frame, all the welding has gantry support, two above longitudinal movement mechanism's the both sides transversely install lateral shifting mechanism between the gantry support, elevating system is installed to lateral movement mechanism's movable block front side, the solenoid valve mechanism who is used for connecting sample inlet pipe and vacuum tube is installed to elevating system's lower extreme, solenoid valve mechanism's gas outlet has a kind needle through the luer union coupling, sample bottle tray has been placed to the platform upside of frame, install the backup pad through the screw on the platform bottom lateral wall of frame, the upside welding of backup pad has the locating piece, the platform of frame all begins the constant head tank that corresponds with the locating piece with the lateral wall of sample bottle tray laminating.

Preferably, the transverse moving mechanism comprises a fixed frame, the fixed frame is in butt joint with the gantry support, a first stepping motor is arranged on the side wall of the gantry support on the right side, the output end of the first stepping motor is connected with a first lead screw through a first coupler, the first lead screw penetrates through the side walls of the gantry support and the fixed frame, a first bearing seat combined with the side wall of the gantry support is connected onto the rod wall of the first lead screw, a first manual wheel is connected to the other end of the first lead screw, and a moving block attached to the inner wall of the fixed frame is arranged on the rod wall of the first lead screw.

Preferably, elevating system includes the mount, the last side wall mounting of mount has the second step motor, the output of second step motor has the second lead screw through second coupling joint, the removal pipe of laminating with fixed frame inner wall is installed in the pole wall outside of second lead screw, and removes the pipe and be connected with solenoid valve mechanism.

Preferably, the longitudinal moving mechanism comprises a third stepping motor, an output end of the third stepping motor is connected with a third coupler, a second bearing seat is arranged on the front side wall of the rack, a third lead screw is connected between the third coupler and the second bearing seat, a second manual wheel is mounted at the other end of the third lead screw, a limiting rod corresponding to the third lead screw is mounted inside the rack, a moving plate is connected between the third lead screw and the limiting rod, and the moving plate is connected with the gantry support.

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

the utility model discloses simple structure, at first through lateral shifting mechanism, three-dimensional cartesian coordinate system can be constituteed to longitudinal movement structure and elevating system, can the automatic control advance the syringe and remove in proper order and advance kind operation like this, solenoid valve mechanism's setting can automatic switch over the state of syringe, reach and advance kind state or evacuation state, the position that sample bottle tray can be restricted to the cooperation constant head tank that sets up of backup pad and locating piece, can restrict sample bottle tray like this and remove, reach spacing effect, also can be used for fixing the sample bottle tray of other sizes simultaneously, with this effect that can reach quick location and put, and also can fix a position the sample bottle tray of equidimension not according to different needs, the flexibility of using has been improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a sectional view of the structure of the side part of the present invention;

fig. 3 is a top view of the present invention.

In the figure: the automatic sample feeding device comprises a rack 1, a gantry support 2, a transverse moving mechanism 3, a fixed frame 31, a first stepping motor 32, a first coupler 33, a first screw rod 34, a first bearing seat 35, a first manual wheel 36, a lifting mechanism 4, a fixed frame 41, a second stepping motor 42, a second coupler 43, a second screw rod 44, a longitudinal moving mechanism 5, a third stepping motor 51, a third coupler 52, a second bearing seat 53, a third screw rod 54, a second manual wheel 55, a moving plate 56, a limiting rod 57, a sample bottle tray 6, an electromagnetic valve mechanism 7, a sample feeding needle 8, a supporting plate 9, a positioning block 10 and a positioning groove 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The embodiment is as follows:

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a stable sampling device who is difficult for skew, includes frame 1, install longitudinal movement mechanism 5 on the lateral wall of frame 1, can accomplish the operation of longitudinal back-and-forth movement, all weld portal frame 2, two above longitudinal movement mechanism 5's the both sides gantry frame 2 transversely installs lateral shifting mechanism 3 between the portal frame 2, can accomplish the operation that transversely controls left and right sides, elevating system 4 is installed to lateral shifting mechanism 3's movable block front side, can accomplish the operation that reciprocates, solenoid valve mechanism 7 that is used for connecting sample tube and vacuum tube is installed to elevating system 4's lower extreme, can automatic control switching state, makes it can switch over the intercommunication state of sample tube and vacuum tube, can carry out the auto-switch to in the operation of advancing after the evacuation to the sample bottle like this, solenoid valve mechanism 7's gas outlet has a kind needle 8 through the luer union coupling, sample bottle tray 6 has been placed to the platform upside of frame 1, install backup pad 9 through the screw on the platform bottom lateral wall of frame 1, the upside welding of backup pad 9 has locating piece 10, the locating piece 10 that the platform of frame 1 and the lateral wall of sample bottle tray 6 all begin to have the locating piece that corresponds with locating piece 11 that the locating piece laminating, can combine the locating piece 11 of restriction sample bottle.

Wherein, the transverse moving mechanism 3 includes a fixed frame 31, and the fixed frame 31 is butted with the gantry support 2, a first step motor 32 is installed on the sidewall of the gantry support 2 positioned at the right side, the output end of the first step motor 32 is connected with a first lead screw 34 through a first coupling 33, and the first lead screw 34 penetrates the sidewalls of the gantry support 2 and the fixed frame 31, a first bearing seat 35 combined with the sidewall of the gantry support 2 is connected on the rod wall of the first lead screw 34, the other end of the first lead screw 34 is connected with a first hand-operated wheel 36, a moving block fitted with the inner wall of the fixed frame 31 is installed on the rod wall of the first lead screw 34, the first lead screw 34 can be rotated under the operation of the first step motor 32, so that the connected moving block can be transversely moved left and right under the restriction of the fixed frame 31, the lifting mechanism 4 includes a fixed frame 41, a second step motor 42 is installed on the upper sidewall of the fixed frame 41, the output end of the second step motor 42 is connected with a second lead screw 44 through a second coupling 43, a moving pipe fitted with the inner wall of the fixed frame 44, and a moving pipe 7 is connected with a third step motor 52 capable of moving up and down the third step motor 5, the third step motor 52 is installed on the front side wall of the third lead screw 52, the third step motor 52 is connected with a third step motor 52 capable of limiting support 52 capable of limiting the third lead screw 52 and limiting the third step motor 5, a moving plate 56 is connected between the third screw 54 and the limiting rod 57, the moving plate 56 is connected with the gantry support 2, the third screw 54 can be rotated through the operation of the third stepping motor 51, and thus the connected moving plate 56 can move back and forth under the limitation of the limiting rod 57.

The working principle is as follows: firstly, the first lead screw 34 can be rotated under the coordination of the first coupler 33 and the first bearing seat 35 by the operation of the first stepping motor 32, so that the moving block can be transversely moved left and right under the limitation of the fixing frame 31, thereby the position of the sample injection needle 8 can be adjusted left and right, then the third lead screw 54 can be rotated under the coordination of the third coupler 52 and the second bearing seat 53 by the operation of the third stepping motor 51, so that the moving plate 56 can be moved back and forth under the limitation of the limiting rod 57, thereby the gantry support 2 can be driven to move, so that the sample injection needle 8 can be moved back and forth, finally, the second coupler 43 can be driven to rotate the second lead screw 44 by the operation of the second stepping motor 42, so that the moving pipe arranged at the outer side can be moved down under the limitation of the fixing frame 41, thereby the sample injection needle 8 can be moved down, the sample injection operation can be completed by the coordination of the three, the setting of the electromagnetic valve mechanism 7 can automatically control the state of the sample injection needle 8, the unified switching operation of the sample injection needle 8 can be completed, the unified switching operation of the positioning block 10 supported by the supporting plate 9 and the positioning of the sample bottle tray 6 can be ensured, the positioning position of the positioning tray can be corrected, and the positioning tray 6 can be used in the positioning step can be improved, thereby the positioning tray can be improved.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention 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 invention 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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

Claims

1. The utility model provides a stable sampling device who is difficult for squinting, includes frame (1), its characterized in that: install longitudinal movement mechanism (5) on the lateral wall of frame (1), all welded portal frame (2) above the both sides of longitudinal movement mechanism (5), two transversely install lateral shifting mechanism (3) between portal frame (2), elevating system (4) are installed to the movable block front side of lateral shifting mechanism (3), solenoid valve mechanism (7) that are used for connecting into appearance pipe and vacuum tube are installed to the lower extreme of elevating system (4), the gas outlet of solenoid valve mechanism (7) is connected with through the luer pipe and advances kind needle (8), sample bottle tray (6) have been placed to the platform upside of frame (1), install backup pad (9) through the screw on the platform bottom lateral wall of frame (1), the upside welding of backup pad (9) has locating piece (10), the platform of frame (1) and the lateral wall of sample bottle tray (6) laminating all begin to have constant head tank (11) that correspond with locating piece (10).

2. The stable and non-shifting sample introduction device according to claim 1, wherein: the transverse moving mechanism (3) comprises a fixed frame (31), the fixed frame (31) is in butt joint with the gantry support (2) and is located on the right side, a first stepping motor (32) is installed on the side wall of the gantry support (2), the output end of the first stepping motor (32) is connected with a first lead screw (34) through a first coupler (33), the first lead screw (34) penetrates through the side walls of the gantry support (2) and the fixed frame (31), a first bearing seat (35) combined with the side wall of the gantry support (2) is connected onto the rod wall of the first lead screw (34), the other end of the first lead screw (34) is connected with a first manual wheel (36), and a moving block attached to the inner wall of the fixed frame (31) is installed on the rod wall of the first lead screw (34).

3. The stable and non-shifting sample introduction device according to claim 1, wherein: elevating system (4) are including mount (41), the last side wall mounting of mount (41) has second step motor (42), the output of second step motor (42) is connected with second lead screw (44) through second shaft coupling (43), the removal pipe of laminating with fixed frame inner wall is installed in the pole wall outside of second lead screw (44), and removes the pipe and is connected with solenoid valve mechanism (7).

4. The stable and non-shifting sample injection device according to claim 1, wherein: the longitudinal moving mechanism (5) comprises a third stepping motor (51), the output end of the third stepping motor (51) is connected with a third coupling (52), a second bearing seat (53) is arranged on the front side wall of the rack (1), a third lead screw (54) is connected between the third coupling (52) and the second bearing seat (53), a second manual wheel (55) is installed at the other end of the third lead screw (54), a limiting rod (57) corresponding to the third lead screw (54) is installed inside the rack (1), a moving plate (56) is connected between the third lead screw (54) and the limiting rod (57), and the moving plate (56) is connected with the gantry support (2).