CN212159656U

CN212159656U - Triple quadrupole rod LC-MS instrument for food detection

Info

Publication number: CN212159656U
Application number: CN202020614744.3U
Authority: CN
Inventors: 王昀
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-15
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a triple quadrupole rod LC-MS for food detection, which belongs to the technical field of food detection and comprises a bottom plate, the utility model is characterized in that a triple quadrupole rod LC-MS body is movably arranged above the bottom plate, a height adjusting device for driving the triple quadrupole rod LC-MS body to move up and down to adjust the height is fixedly arranged above the bottom plate, a stage assembly is arranged inside the triple quadrupole rod LC-MS body, a stage driving assembly for driving the stage assembly to move and rotate is fixedly arranged inside the triple quadrupole rod LC-MS body, the utility model can heat food, thereby maintaining the temperature of the food and improving the detection accuracy, meanwhile, the food can rotate in the detection process, thereby improve detection effect to can adjust the high improvement result of use of triple quadrupole liquid chromatograph-mass spectrometer body at will.

Description

Triple quadrupole rod LC-MS instrument for food detection

Technical Field

The utility model belongs to the technical field of the food detects, concretely relates to food detects uses triple quadrupole pole liquid chromatography-mass spectrometer.

Background

The triple quadrupole mass spectrometer is one of the most widely used mass spectrometers in the LC-MS, and is widely applied to various fields such as food analysis, medical research, environmental analysis, chemical engineering, forensic medicine and the like due to the advantages of high sensitivity, high quantitative accuracy, wide linear range and the like.

At present, triple quadrupole rod LC MS is when examining food etc. because the temperature has certain influence to food temperature reduces when detecting, and then influences and detect the accuracy, and detection effect is not good, and current triple quadrupole rod LC MS does not possess high regulatory function simultaneously, has certain inconvenience when using.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a food detects uses triple quadrupole liquid chromatography-mass spectrometer to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a food detects uses triple quadrupole liquid chromatograph-mass spectrometer, includes the bottom plate, the top activity of bottom plate is provided with triple quadrupole liquid chromatograph-mass spectrometer body, the fixed high adjusting device that is used for driving triple quadrupole liquid chromatograph-mass spectrometer body and reciprocates and carry out height-adjusting that is provided with in top of bottom plate, the inside objective table subassembly that is provided with of triple quadrupole liquid chromatograph-mass spectrometer body, this internal fixed being provided with of triple quadrupole liquid chromatograph-mass spectrometer is used for driving the objective table subassembly and removes and pivoted objective table drive assembly.

The following is the utility model discloses to above-mentioned technical scheme's further optimization:

the height adjusting device comprises a double-shaft motor fixedly installed on the bottom plate, and two output shafts of the double-shaft motor are fixedly connected with one ends, opposite to the two transmission shafts, of the two output shafts respectively.

Further optimization: equal fixedly connected with bevel gear a on the one end that two drive shafts kept away from, bevel gear a meshes with bevel gear b mutually, and the lateral wall of double-screw bolt is fixed to bevel gear b, and the bottom of double-screw bolt is passed through bearing a and is rotated the upper surface of connecting at the bottom plate.

Further optimization: the outer side wall of the stud is in threaded connection with a threaded sleeve, the threaded sleeve is fixedly connected onto the support plate, and the triple quadrupole rod LC-MS body is fixedly mounted on the support plate.

Further optimization: the inboard bottom of triple quadrupole liquid chromatograph-mass spectrometer body has seted up the spout, and sliding connection has the slider in the spout, the lower surface of fly leaf is fixed to the slider, fly leaf sliding connection is in the inboard bottom surface of triple quadrupole liquid chromatograph-mass spectrometer body.

Further optimization: the objective table assembly comprises a rotating shaft arranged above the movable plate, the bottom end of the rotating shaft is rotatably connected with the movable plate through a bearing b, the top end of the rotating shaft is fixedly connected with an objective table, and an object placing plate is placed on the objective table.

Further optimization: objective table drive assembly, including the servo motor of fixed mounting on the fly leaf, fixedly connected with driving gear on servo motor's the output shaft, and driving gear and driven gear mesh mutually, the fixed lateral wall of locating the axis of rotation of driven gear.

Further optimization: the upper surface of fly leaf is fixed and is equipped with the fixed block, and the flexible end fixed connection of fixed block and electric putter, and electric putter fixed mounting is at the inside wall of triple quadrupole rod LC-MS body.

Further optimization: the equal rigid coupling in four corners departments of support plate upper surface has the sliding sleeve, and four sliding sleeves overlap respectively and locate four slide bars on, and the upper surface of bottom plate is all fixed to the bottom of four slide bars.

Further optimization: the inner side of the bottom of the carrying platform is provided with a heating net, and the heating net is electrically connected with an external power supply.

The utility model adopts the technical proposal, when in use, the box door is opened, the electric push rod is started to push the loading platform to move to the outside of the triple quadrupole liquid mass spectrometer body, food is placed in the object placing plate, the object placing plate is placed on the loading platform, after the placement is finished, the loading platform is taken into the triple quadrupole liquid mass spectrometer body again by the electric push rod, the object placing plate is heated by the heating net, thereby keeping the temperature of the food and improving the detection accuracy, meanwhile, in the detection process, the servo motor is started to work, the output shaft of the servo motor rotates to drive the driving gear to rotate, under the meshing effect of the driving gear and the driven gear, the loading platform is rotated, thereby improving the detection effect, the double-shaft motor works to drive the bevel gear a to rotate through the transmission shaft, under the meshing effect of the bevel gear a and the bevel gear b, thereby rotating the double-screw bolt, because double-screw bolt and swivel nut are in threaded connection state, and then promote the support plate through the swivel nut and remove to adjust the height of triple quadrupole rod LC MS appearance body, improve the result of use.

The utility model adopts the above technical scheme, think about ingenious, rational in infrastructure, through setting up heating network, servo motor, driving gear, driven gear, axis of rotation, bearing b, microscope carrier and object placing plate, place food in object placing plate, place object placing plate on microscope carrier again, utilize the heating network to carry out the heating operation to object placing plate, thereby keep the temperature of food, improve the detection accuracy, simultaneously in the process of detecting, start servo motor work, and then make the microscope carrier rotate, thereby improve the detection effect;

this food detects uses triple quadrupole liquid chromatography-mass spectrometer through setting up double-shaft motor, the transmission shaft, bevel gear a, bevel gear b, the double-screw bolt, bearing a and swivel nut, it is rotatory to utilize double-shaft motor work to drive bevel gear a through the transmission shaft, under bevel gear a and bevel gear b meshing's effect, thereby make the double-screw bolt rotatory, because double-screw bolt and swivel nut are in the threaded connection state, and then promote the support plate through the swivel nut and remove, thereby adjust the height of triple quadrupole liquid chromatography-mass spectrometer body, improve the result of use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the inner structure of the triple quadrupole LC MS in the embodiment of the present invention;

fig. 3 is a schematic top view of a carrier plate according to an embodiment of the present invention;

fig. 4 is a schematic half-sectional view of a carrier in an embodiment of the present invention.

In the figure: 1-a bottom plate; 2-a two-shaft motor; 3, driving a shaft; 4-bevel gear a; 5-bevel gear b; 6-a stud; 7-bearing a; 8-thread sleeve; 9-a carrier plate; 10-triple quadrupole LC MS body; 11-a movable plate; 12-a slide block; 13-a servo motor; 14-a drive gear; 15-a driven gear; 16-a rotating shaft; 17-bearing b; 18-a carrier; 19-placing a tray; 20-heating the net; 21-U-shaped blocks; 22-a fixture block; 23-an electric push rod; 24-fixing blocks; 25-a box door; 26-a slide bar; 27-a sliding sleeve; 28-moving wheel.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Please refer to fig. 1-4, the utility model provides a food detects uses triple quadrupole rod LC MS, including bottom plate 1, the activity of the top of bottom plate 1 is provided with triple quadrupole rod LC MS body 10, the fixed high adjusting device that is used for driving triple quadrupole rod LC MS body 10 and reciprocates and carry out height-adjusting that is provided with in top of bottom plate 1, the inside objective table subassembly that is provided with of triple quadrupole rod LC MS body 10, triple quadrupole rod LC MS body 10 internal fixation is provided with and is used for driving the objective table subassembly and removes and pivoted objective table drive assembly.

The lower surface of the bottom plate 1 is provided with four moving wheels 28, and the four moving wheels 28 are all provided with a self-locking mechanism (see figure 1); the device can be moved around conveniently by arranging the moving wheels 28, and the device is high in mobility.

The height adjusting device comprises a double-shaft motor 2 fixedly installed on the bottom plate 1, and two output shafts of the double-shaft motor 2 are fixedly connected with one ends, opposite to the two transmission shafts 3, respectively.

The two ends of the transmission shafts 3, which are far away from each other, are fixedly connected with bevel gears a4, the bevel gears a4 are meshed with bevel gears b5, the bevel gears b5 are fixedly arranged on the outer side walls of the studs 6, the bottom ends of the studs 6 are rotatably connected in bearings a7, and the bearings a7 are fixedly connected to the upper surface of the bottom plate 1.

The outer side wall of the stud 6 is in threaded connection with a threaded sleeve 8, the threaded sleeve 8 is fixedly connected onto a support plate 9, and the triple quadrupole rod LC-MS body 10 is fixedly mounted on the support plate 9.

Sliding sleeves 27 are fixedly connected to four corners of the upper surface of the support plate 9, the four sliding sleeves 27 are respectively sleeved on the four sliding rods 26, and the bottom ends of the four sliding rods 26 are fixedly arranged on the upper surface of the base plate 1 (see fig. 3).

By such design, sliding sleeve 27 can slide on sliding rod 26, thereby assisting in stabilizing carrier plate 9 and maintaining the high stability of carrier plate 9 during the up-and-down movement.

A box door 25 is arranged on the front surface of the triple quadrupole rod LC-MS body 10, and a handle is mounted on the box door 25 (see FIGS. 1 and 2); the door 25 can open the inside of the triple quadrupole rod LC MS body 10, which is convenient for opening the door 25 to take and place food.

The inboard bottom of triple quadrupole rod LC MS body 10 has seted up the spout, sliding connection has slider 12 in the spout, the fixed lower surface of locating fly leaf 11 of slider 12, fly leaf 11 sliding connection is in the inboard bottom surface of triple quadrupole rod LC MS body 10.

The stage assembly comprises a rotating shaft 16 arranged above the movable plate 11, the bottom end of the rotating shaft 16 is rotatably connected in a bearing b17, the bearing b17 is fixedly connected to the top end of the rotating shaft 16 on the upper surface of the movable plate 11 and fixedly connected with the lower surface of the stage 18, and the object tray 19 is placed on the stage 18.

The objective table driving assembly comprises a servo motor 13 fixedly installed on the upper surface of the movable plate 11, a driving gear 14 is fixedly connected to an output shaft of the servo motor 13, the driving gear 14 is meshed with a driven gear 15, and the driven gear 15 is fixedly arranged on the outer side wall of a rotating shaft 16.

The upper surface of fly leaf 11 is fixed and is equipped with fixed block 24, fixed block 24 and electric putter 23's flexible end fixed connection, electric putter 23 fixed mounting is at the inside wall of triple quadrupole rod LC mass spectrometer body 10.

The double-shaft motor 2, the servo motor 13 and the electric push rod 23 are respectively electrically connected with an external power supply.

A heating net 20 is arranged on the inner side of the bottom of the carrying platform 18, and the heating net 20 is electrically connected with an external power supply (see fig. 4).

By adopting the design, the heating net 20 can be supplied with power by an external power supply, the heating net 20 works to heat, and the heating net 20 can be used for heating the object disc 19, so that the temperature of the food is kept, and the detection accuracy is improved.

The outer side wall of the carrier 18 is fixedly provided with four U-shaped blocks 21, the outer side wall of the storage tray 19 is fixedly provided with four fixture blocks 22, and the four fixture blocks 22 are respectively attached to the four U-shaped blocks 21 (see fig. 2).

With this configuration, the U-shaped block 21 and the latch 22 can restrict the object tray 19, and prevent the object tray 19 from rotating when the stage 18 rotates.

In the above embodiments, it should be further noted that: the two-shaft motor 2, the servo motor 13 and the electric push rod 23 are all the prior art and can be directly purchased from the market, and in the embodiment: the model number adopted by the double-shaft motor 2 is TJ-CHD-750W; the model number adopted by the servo motor 13 is 130 SFT-M040D; the electric push rod 23 is of the type NKLA 4.

When the device is used, the box door 25 is opened, the electric push rod 23 is started to push the carrier 18 to move to the outside of the triple quadrupole liquid chromatograph-mass spectrometer body 10, food is placed in the object placing disc 19, the object placing disc 19 is placed on the carrier 18, after the placement is finished, the carrier 18 is taken into the triple quadrupole liquid chromatograph-mass spectrometer body 10 again by the electric push rod 23, the object placing disc 19 is heated by the heating net 20, so that the temperature of the food is kept, the detection accuracy is improved, meanwhile, in the detection process, the servo motor 13 is started to work, the output shaft of the servo motor 13 rotates to drive the driving gear 14 to rotate, under the meshing action of the driving gear 14 and the driven gear 15, the carrier 18 is further rotated, so that the detection effect is improved, the double-shaft motor 2 works to drive the bevel gear a4 to rotate through the transmission shaft 3, under the meshing action of the bevel gear a4 and the, therefore, the stud 6 rotates, and the stud 6 and the thread insert 8 are in a threaded connection state, so that the support plate 9 is pushed to move through the thread insert 8, the height of the triple quadrupole rod LC MS body 10 is adjusted, and the using effect is improved.

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 food detects uses triple quadrupole liquid chromatography-mass spectrometry appearance, includes bottom plate (1), its characterized in that: the utility model discloses a high regulation device that adjusts height that moves about is provided with triple quadrupole rod LC MS (liquid chromatograph) appearance body (10) in the top activity of bottom plate (1), the fixed high regulation device that is used for driving triple quadrupole rod LC MS appearance body (10) and reciprocates in the top of bottom plate (1), triple quadrupole rod LC MS appearance body (10) inside is provided with the objective table subassembly, triple quadrupole rod LC MS appearance body (10) internal fixation is provided with and is used for driving the objective table subassembly and remove and pivoted objective table drive assembly.

2. The triple quadrupole liquid chromatograph-mass spectrometer for food detection according to claim 1, wherein: the height adjusting device comprises a double-shaft motor (2) fixedly mounted on the bottom plate (1), and two output shafts of the double-shaft motor (2) are fixedly connected with one ends, opposite to the two transmission shafts (3), respectively.

3. The triple quadrupole liquid chromatograph-mass spectrometer for food detection according to claim 2, wherein: equal fixedly connected with bevel gear a (4) on the one end that two transmission shaft (3) kept away from mutually, bevel gear a (4) and bevel gear b (5) mesh mutually, and the lateral wall of double-screw bolt (6) is fixed to bevel gear b (5), and the upper surface at bottom plate (1) is connected in the rotation of bearing a (7) is passed through to the bottom of double-screw bolt (6).

4. The triple quadrupole liquid chromatograph-mass spectrometer for food detection according to claim 3, wherein: the outer side wall of the stud (6) is in threaded connection with a threaded sleeve (8), the threaded sleeve (8) is fixedly connected onto a support plate (9), and a triple quadrupole rod LC-MS body (10) is fixedly mounted on the support plate (9).

5. The triple quadrupole liquid chromatograph-mass spectrometer for food detection according to claim 4, wherein: the inboard bottom of triple quadrupole liquid chromatography mass spectrometer body (10) has seted up the spout, and sliding connection has slider (12) in the spout, the lower surface of fly leaf (11) is fixed to slider (12), fly leaf (11) sliding connection is in the inboard bottom surface of triple quadrupole liquid chromatography mass spectrometer body (10).

6. The triple quadrupole liquid chromatograph-mass spectrometer for food detection according to claim 5, wherein: the objective table assembly comprises a rotating shaft (16) arranged above the movable plate (11), the bottom end of the rotating shaft (16) is rotatably connected with the movable plate (11) through a bearing b (17), an objective table (18) is fixedly connected to the top end of the rotating shaft (16), and an object placing disc (19) is placed on the objective table (18).

7. The triple quadrupole liquid chromatograph-mass spectrometer for food detection according to claim 6, wherein: objective table drive assembly, including servo motor (13) of fixed mounting on fly leaf (11), fixedly connected with driving gear (14) on the output shaft of servo motor (13), and driving gear (14) and driven gear (15) mesh mutually, the lateral wall of axis of rotation (16) is fixed to driven gear (15).

8. The triple quadrupole liquid chromatograph-mass spectrometer for food detection according to claim 7, wherein: the upper surface of fly leaf (11) is fixed and is equipped with fixed block (24), and the flexible end fixed connection of fixed block (24) and electric putter (23), and electric putter (23) fixed mounting is at the inside wall of triple quadrupole rod LC MS body (10).

9. The triple quadrupole liquid chromatograph-mass spectrometer for food detection according to claim 8, wherein: the equal rigid coupling in four corners department of support plate (9) upper surface has sliding sleeve (27), and four sliding sleeve (27) overlap respectively and locate four slide bar (26), and the upper surface of bottom plate (1) is all fixed to the bottom of four slide bar (26).

10. The triple quadrupole liquid chromatograph-mass spectrometer for food detection according to claim 9, wherein: the inner side of the bottom of the carrying platform (18) is provided with a heating net (20), and the heating net (20) is electrically connected with an external power supply.