CN217605634U

CN217605634U - Atomic absorption spectrophotometer

Info

Publication number: CN217605634U
Application number: CN202221252907.3U
Authority: CN
Inventors: 杨庆旺; 彭小平; 李国栋; 臧念社
Original assignee: Shandong Baiheng Quality Inspection Co ltd
Current assignee: Shandong Baiheng Quality Inspection Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-18
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses an atomic absorption spectrophotometer, which comprises a base, the upper surface left side of base is equipped with the box, the inside of box is equipped with the machine main part, the upper surface right side of base is equipped with the box body, it is connected with the two-way screw rod to rotate between the inside left and right sides wall of box body, both sides are equipped with the guide rail respectively, two around the inside of box body respectively sliding connection has two sliders on the guide rail, front and back two fixedly connected with connecting rod between the slider, the right-hand member of two-way screw rod passes the right side wall of box body and is connected with the regulating wheel, the spout has been seted up respectively to both sides around the last side wall of box body, the upside of slider is fixed mounting respectively has the bracing piece, the bracing piece pass its spout that corresponds and with spout sliding connection, correspond from beginning to end fixedly connected with grip block between the bracing piece, the utility model discloses can make two grip blocks mutually close to each other, carry out the centre gripping to the sample bottle fixed, avoid the sample bottle to overturn.

Description

Atomic absorption spectrophotometer

Technical Field

The utility model relates to a detection and analysis instrument technical field, specific field is an atomic absorption spectrophotometer.

Background

Atomic absorption spectrometers, also known as atomic absorption spectrophotometers, perform elemental analysis of metals based on the effect of atomic vapor in the ground state of a substance on the absorption of characteristic radiation. The atomic absorption spectrophotometer can sensitively and reliably measure trace elements or trace elements, and the problem that a sample bottle is easily knocked over exists when the sample bottle is generally placed on a table in the prior art when the atomic absorption spectrophotometer is used for measurement, so that the atomic absorption spectrophotometer is provided

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an atomic absorption spectrophotometer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an atomic absorption spectrophotometer, includes the base, the upper surface left side of base is equipped with the box, the inside of box is equipped with the machine main part, the upper surface right side of base is equipped with the box body, it is connected with two-way screw rod to rotate between the inside left and right sides wall of box body, both sides are equipped with the guide rail respectively around the inside of box body, two sliding connection has two sliders respectively on the guide rail, two that correspond around fixedly connected with connecting rod between the slider, two the connecting rod respectively with the left and right sides threaded connection of two-way screw rod, the right-hand member of two-way screw rod passes the right side wall of box body and is connected with the regulating wheel, the spout has been seted up respectively to both sides around the last side wall of box body, the upside of slider is fixed mounting respectively has the bracing piece, the bracing piece pass its spout that corresponds and with spout sliding connection, correspond around fixedly connected with the grip block between the bracing piece, the inside right side of box is equipped with the sampling mechanism.

Preferably, four corners of the lower surface of the base are respectively provided with a rubber pad.

Preferably, the two clamping plates are arc-shaped plates.

Preferably, the front side wall of the box body is provided with observation glass.

Preferably, advance kind mechanism and include cavity, piston rod, actuating mechanism, sampling tube, sample tube, first check valve and second check valve, cavity fixed mounting is in the right side wall of box, spout slidable mounting is in the inside of cavity, piston rod fixed mounting is in the downside of piston, the lower extreme and the actuating mechanism of piston rod are connected, the upside in the cavity is installed respectively to sampling tube and sample tube, first check valve and second check valve are installed respectively on sampling tube and sample tube, the sampling tube passes the right side wall of box, sample tube and machine body are connected.

Preferably, the driving mechanism comprises a driving motor, a driving rod and a transmission rod, the driving motor is fixedly installed on the lower side wall of the box body, the driving rod is installed at the output end of the driving motor, one end of the transmission rod is hinged to one end, far away from the driving motor, of the driving rod, and the other end of the transmission rod is hinged to the lower end of the piston rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an atomic absorption spectrophotometer is through rotating the regulating wheel, the regulating wheel directly drives two-way screw rod and rotates, the rotation of two-way screw rod directly drives two connecting rods and carries out the not equidirectional removal simultaneously, guide rail and slider play the guide effect to the connecting rod, make the steady operation of connecting rod smooth-going, when two connecting rods are close to each other, the slider that drives both sides is close to each other, the slider of both sides passes through the bracing piece and drives two grip blocks and be close to each other, it is fixed to carry out the centre gripping to the sample bottle, avoid the sample bottle to overturn, then advance the appearance through the introduction mechanism machine body, so that the machine body detects the sample.

Drawings

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

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the box body of the present invention;

FIG. 4 is a schematic top sectional view of the case of the present invention;

fig. 5 is an enlarged schematic view of a in fig. 1.

In the figure: 1-base, 2-box, 3-machine body, 4-box, 5-two-way screw, 6-guide rail, 7-slide block, 8-connecting rod, 9-chute, 10-supporting rod, 11-clamping plate, 12-regulating wheel, 13-sample introduction mechanism, 1301-cavity, 1302-piston, 1303-piston rod, 1304-sampling tube, 1305-sample introduction tube, 1306-first one-way valve, 1307-second one-way valve, 1308-driving motor, 1309-driving rod, 1310-driving rod, 14-rubber pad and 15-observation glass.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-5, the present invention provides a technical solution: an atomic absorption spectrophotometer comprises a base 1, wherein a box body 2 is arranged on the left side of the upper surface of the base 1, a machine main body 3 is arranged inside the box body 2, a box body 4 is arranged on the right side of the upper surface of the base 1, a bidirectional screw 5 is rotatably connected between the left side wall and the right side wall inside the box body 4, guide rails 6 are respectively arranged on the front side and the rear side of the inside of the box body 4, two slide blocks 7 are respectively connected onto the two guide rails 6 in a sliding manner, a connecting rod 8 is fixedly connected between the two slide blocks 7 which correspond to the front side and the rear side, the two connecting rods 8 are respectively in threaded connection with the left side and the right side of the bidirectional screw 5, the right end of the bidirectional screw 5 penetrates through the right side wall of the box body 4 and is connected with an adjusting wheel 12, anti-slip corrugations are arranged on the side of the adjusting wheel 12, friction force between hands and the adjusting wheel 12 can be increased by setting the anti-slip corrugations, so that twisting of the adjusting wheel 12 is more convenient, the practicability is strong, sliding grooves 9 are respectively formed in the front side and the rear side of the upper side wall of the box body 4, supporting rods 10 are respectively fixedly mounted on the upper sides of the sliding blocks 7, the supporting rods 10 penetrate through the corresponding sliding grooves 9 and are in sliding connection with the sliding grooves 9, clamping plates 11 are fixedly connected between the supporting rods 10 corresponding to the front side and the rear side, a transmission adjusting wheel 12 is arranged, the adjusting wheel 12 directly drives the two-way screw 5 to rotate, the two connecting rods 8 are directly driven to move in different directions simultaneously by the rotation of the two-way screw 5, the guide rail 6 and the sliding blocks 7 play a role in guiding the connecting rods 8, so that the connecting rods 8 run stably and smoothly, when the two connecting rods 8 approach each other, the sliding blocks 7 on the two sides are driven to approach each other, the sliding blocks 7 on the two sides drive the two clamping plates 11 to approach each other through the supporting rods 10, the sample bottles are clamped and fixed, and when the two connecting rods 8 are far away from each other, two connecting rods 8 drive the slider 7 of its both sides respectively and keep away from each other, and the slider 7 of both sides drives two grip blocks 11 through bracing piece 10 and keeps away from each other, and the cancellation is fixed to the sample bottle, the inside right side of box 2 is equipped with sampling mechanism 13, and sampling mechanism 13 is used for advancing kind to machine body 3 detects the sample.

Specifically, rubber pads 14 are respectively arranged at four corners of the lower surface of the base 1, and the friction force between the device and the contact surface is effectively increased by setting the rubber pads 14, so that the device is more stable.

Particularly, two grip block 11 is the arc, and the curved design can guarantee two grip blocks 11 better with the lateral wall contact of sample bottle, guarantees to the fixed effect of sample bottle, avoids the sample bottle to overturn.

Particularly, the preceding lateral wall of box 2 is equipped with observation glass 15, and observation glass 15 is convenient for observe the inside condition of box 2, and the design hommization is reasonable.

Specifically, the sample introduction mechanism 13 includes a cavity 1301, a piston 1302, a piston rod 1303, a driving mechanism, a sampling tube 1304, a sample introduction tube 1305, a first check valve 1306, and a second check valve 1307, the cavity 1301 is fixedly installed on the right side wall of the box 2, the piston 1302 is slidably installed inside the cavity 1301, the piston rod 1303 is fixedly installed on the lower side of the piston 1302, the lower end of the piston rod 1303 is connected with the driving mechanism, the sampling tube 1304 and the sample introduction tube 1305 are respectively installed on the upper side of the cavity 1301, the first check valve 1306 and the second check valve 1307 are respectively installed on the sampling tube 1304 and the sample introduction tube 1305, the sampling tube 1304 penetrates through the right side wall of the box 2, the sample introduction tube 1305 is connected with the machine body 3, the driving mechanism drives the piston rod 1303 to move up and down, the piston rod 1303 directly moves up and down to reciprocate the piston, when the piston moves down 1302, negative pressure is formed inside the cavity 1301, the second check valve 1307 is closed, the first check valve 1306 is opened, a sample in a sample bottle 1306 is sucked into the cavity of the cavity 1304 through the inner portion 1304, when the piston 1301 is moved up, the sample introduction valve 1302 is closed, the sample introduction tube 1302 is detected, and the sample introduction valve 1304 is conveyed to the sample introduction machine body 1304.

Specifically, the driving mechanism includes a driving motor 1308, a driving rod 1309 and a transmission rod 1310, the driving motor 1308 is fixedly installed on the lower side wall of the box 2, the driving rod 1309 is installed at an output end of the driving motor 1308, one end of the transmission rod 1310 is hinged to one end of the driving rod 1309 far away from the driving motor 1308, the other end of the transmission rod 1310 is hinged to the lower end of the piston rod 1303, the driving motor 1308 is started, the output end of the driving motor 1308 directly drives the driving rod 1309 to rotate, the driving rod 1309 drives the lower end of the transmission rod 1310 to perform circular motion, the transmission rod is in transmission, the upper end of the transmission rod 1310 drives the piston rod 1303 to perform up-and-down reciprocating motion, and further, the driving of the piston rod 1303 is achieved.

The working principle is as follows: the utility model discloses during the use, place the upper surface at box body 4 with the sample bottle, then rotate regulating wheel 12, regulating wheel 12 directly drives two-way screw rod 5 and rotates, two connecting rod 8 of direct drive of rotation of two-way screw rod 5 carry out equidirectional removal simultaneously, guide rail 6 and slider 7 play the guide effect to connecting rod 8, make connecting rod 8 smooth-going, when two connecting rod 8 are close to each other, the slider 7 that drives both sides is close to each other, the slider 7 of both sides drives two grip blocks 11 through bracing piece 10 and is close to each other, it is fixed to carry out the centre gripping to the sample bottle, then advance kind through advancing sampling mechanism 13 entering machine body 3, so that machine body 3 detects the sample.

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. An atomic absorption spectrophotometer comprising a base (1), characterized in that: the upper surface left side of base (1) is equipped with box (2), the inside of box (2) is equipped with machine main part (3), the upper surface right side of base (1) is equipped with box body (4), it is connected with two-way screw rod (5) to rotate between the inside left and right sides wall of box body (4), both sides are equipped with guide rail (6) respectively around the inside of box body (4), two sliding connection has two slider (7) respectively on guide rail (6), two that correspond before and after fixed connection has connecting rod (8), two between slider (7) connecting rod (8) respectively with the left and right sides threaded connection of two-way screw rod (5), the right-hand member of two-way screw rod (5) passes the right side wall of box body (4) and is connected with regulating wheel (12), spout (9) have been seted up respectively to both sides around the last side wall of box body (4), the upside of slider (7) is fixed mounting respectively has bracing piece (10), bracing piece (10) pass its spout (9) that corresponds and with spout (9) sliding connection, correspond around the right side fixedly connected with grip block (11), the inside sampling mechanism (13) of box body (2) is equipped with right side.

2. An atomic absorption spectrophotometer according to claim 1, wherein: rubber pads (14) are respectively arranged at four corners of the lower surface of the base (1).

3. An atomic absorption spectrophotometer according to claim 1, wherein: the two clamping plates (11) are arc-shaped plates.

4. An atomic absorption spectrophotometer according to claim 1, wherein: and observation glass (15) is arranged on the front side wall of the box body (2).

5. An atomic absorption spectrophotometer according to claim 1, wherein: the sampling mechanism (13) comprises a cavity (1301), a piston (1302), a piston rod (1303), a driving mechanism, a sampling tube (1304), a sampling tube (1305), a first check valve (1306) and a second check valve (1307), the cavity (1301) is fixedly installed on the right side wall of the box body (2), the piston (1302) is installed in the cavity (1301) in a sliding mode, the piston rod (1303) is fixedly installed on the lower side of the piston (1302), the lower end of the piston rod (1303) is connected with the driving mechanism, the sampling tube (1304) and the sampling tube (1305) are installed on the upper side of the cavity (1301) respectively, the first check valve (1306) and the second check valve (1307) are installed on the sampling tube (1304) and the sampling tube (1305) respectively, the sampling tube (1304) penetrates through the right side wall of the box body (2), and the sampling tube (1305) is connected with the machine body (3).

6. An atomic absorption spectrophotometer according to claim 5, wherein: the driving mechanism comprises a driving motor (1308), a driving rod (1309) and a transmission rod (1310), the driving motor (1308) is fixedly installed on the lower side wall of the box body (2), the driving rod (1309) is installed at the output end of the driving motor (1308), one end of the transmission rod (1310) is hinged to one end, away from the driving motor (1308), of the driving rod (1309), and the other end of the transmission rod (1310) is hinged to the lower end of the piston rod (1303).