CN216669863U

CN216669863U - Portable liquid chromatograph

Info

Publication number: CN216669863U
Application number: CN202123428372.9U
Authority: CN
Inventors: 苏扬; 孟庆芝
Original assignee: Shandong Hi Qual Pharmatech Co ltd
Current assignee: Shandong Hi Qual Pharmatech Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-03
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a portable liquid chromatograph, and belongs to the technical field of liquid chromatograph equipment. A portable liquid chromatograph, comprising a chromatograph body, further comprising: the support frame is fixedly connected to the bottom of the chromatograph main body, and the rotating shaft is fixedly connected with a roller and a guide wheel; a pedal slide plate is connected in the chromatograph main body in a sliding way, and a rack is fixedly connected to the pedal slide plate; a first gear rotatably connected in the chromatograph main body; the power shaft is rotatably connected in the chromatograph main body and is rotatably connected with the guide wheel through a transmission belt; the utility model can press the foot pedal slide plate to drive the roller wheel to rotate clockwise by manual operation, thereby driving the chromatograph main body to move forward, reducing the shaking in the movement of the liquid chromatograph, greatly reducing the labor amount in the movement process, improving the utilization rate of the work done by human motion, completing the movement and transportation of the equipment by only one worker in the process of transporting and moving the heavy small and medium-sized liquid chromatograph, and improving the transportation efficiency.

Description

Portable liquid chromatograph

Technical Field

The utility model relates to the technical field of liquid chromatograph equipment, in particular to a portable liquid chromatograph.

Background

The liquid chromatograph is an instrument which firstly separates a mixture and then analyzes and identifies the mixture by utilizing the difference of the distribution ratio of the mixture between liquid and solid or immiscible two liquids, and is widely used in drug analysis.

The existing liquid chromatographs have various sizes according to use requirements, large-sized liquid chromatographs are mostly moved and transported by mechanical vehicles, and medium-sized and small-sized liquid chromatographs are mostly moved and transported by manual operation. The manual handling has the following disadvantages: (1) the manual handling process does not guarantee that the liquid chromatograph is horizontal all the time, people can produce certain degree rocking more or less in the in-process that moves, and the liquid chromatograph is accurate instrument, and some parts are not hard up or collide with and damage the liquid chromatograph easily in the rocking process, appear various problems when reusing. (2) In the manual moving process, the short-distance moving is enough, the manual moving is too tired when the long-distance moving is carried out, and the user needs to have a rest midway, and if the time is short, the user needs to carry the object in a relay way.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a small and medium-sized liquid chromatograph is difficult to move manually in the prior art, and provides a portable liquid chromatograph.

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

a portable liquid chromatograph, comprising a chromatograph body, further comprising: the support frame is fixedly connected to the bottom of the chromatograph main body, a rotating shaft is rotatably connected to the support frame, and a roller and a guide wheel are fixedly connected to the rotating shaft; the pedal sliding plate is connected in the chromatograph main body in a sliding manner, and a rack is fixedly connected to the pedal sliding plate; a first gear rotatably connected in the chromatograph main body, wherein the first gear is meshed with the rack; the power shaft is rotatably connected in the chromatograph main body, the power shaft is connected with a second gear through a ratchet wheel, the second gear is meshed with the first gear, and the power shaft is rotatably connected with the guide wheel through a transmission belt.

In order to facilitate manual treading, preferably, the two pedal sliding plates are symmetrically arranged.

In order to facilitate resetting of the pedal sliding plate, the chromatograph main body is further provided with a sliding groove, the pedal sliding plate is connected in the sliding groove in a sliding mode, a spring is arranged in the sliding groove, and two ends of the spring are fixedly connected to the sliding groove and the pedal sliding plate respectively.

In order to facilitate the manual treading process, the chromatograph main body is not easy to fall down, furthermore, the chromatograph main body is fixedly connected with a handrail, and the handrail and the pedal sliding plate are positioned on the same side of the chromatograph main body.

In order to facilitate the control of the moving speed or the stop of the moving, preferably, a brake shaft is connected to the chromatograph main body in a threaded manner, the bottom end of the brake shaft is matched with the rotating shaft, a first bevel gear is connected to the brake shaft in a rotating manner, a rotating rod is connected to the chromatograph main body in a rotating manner, one end of the rotating rod extends into the chromatograph main body and is fixedly connected with a second bevel gear, and the second bevel gear is meshed with the first bevel gear.

In order to facilitate the first bevel gear to drive the brake shaft to rotate, furthermore, a limit groove is formed in the brake shaft, and a lug matched with the limit groove is fixedly connected to the first bevel gear.

Compared with the prior art, the utility model provides a portable liquid chromatograph, which has the following beneficial effects:

1. this portable liquid chromatograph steps on the slide through the manual work and drives through first gear, second gear, ratchet, power shaft, drive belt and rotate the pivot rotation to under the condition that can effectively improve artifical work utilization ratio, remove the transportation to liquid chromatograph, have portable effect.

2. This portable liquid chromatograph drives the brake shaft through second bevel gear, first bevel gear and moves down and offsets and lock with the axis of rotation through rotating the rotary rod to can move the gyro wheel and control speed and stop locking, the further removal of being convenient for is transported.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the device can drive the roller to rotate clockwise by manually stepping on the presser foot and the slide plate, so that the chromatograph main body is driven to move forwards, the shaking of the liquid chromatograph during movement can be reduced, the labor amount during the movement process is greatly reduced, the utilization rate of acting of human motion is improved, the device can be moved and transported by only one worker during the transportation and movement of the heavy medium and small-sized liquid chromatograph, and the transportation efficiency is improved.

Drawings

Fig. 1 is a front view of a portable liquid chromatograph according to the present invention;

FIG. 2 is a schematic view of a portion A of the portable liquid chromatograph of FIG. 1 according to the present invention;

fig. 3 is a left side view of a portable liquid chromatograph according to the present invention;

fig. 4 is a top view of a brake shaft of a portable liquid chromatograph according to the present invention.

In the figure: 1. a chromatograph main body; 11. a handrail; 12. a support frame; 13. a roller; 14. a rotating shaft; 15. a guide wheel; 16. a chute; 2. a step-on skateboard; 21. a spring; 22. a rack; 23. a first gear; 24. a second gear; 25. a ratchet wheel; 26. a power shaft; 27. a transmission belt; 3. a brake shaft; 31. a first bevel gear; 32. a second bevel gear; 33. the rod is rotated.

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.

In the description of the present invention, it is to 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 the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1 to 4, a portable liquid chromatograph includes a chromatograph main body 1, and further includes: a support frame 12 fixedly connected to the bottom of the chromatograph main body 1, a rotating shaft 14 rotatably connected to the support frame 12, and a roller 13 and a guide wheel 15 fixedly connected to the rotating shaft 14; a pedal sliding plate 2 which is connected in the chromatograph main body 1 in a sliding way, and a rack 22 is fixedly connected on the pedal sliding plate 2; a first gear 23 rotatably connected in the chromatograph main body 1, wherein the first gear 23 is meshed with the rack 22; a power shaft 26 which is rotatably connected in the chromatograph main body 1, a second gear 24 is connected with the power shaft 26 through a ratchet wheel 25, the second gear 24 is meshed with the first gear 23, and the power shaft 26 is rotatably connected with the guide wheel 15 through a transmission belt 27.

Pedal slide 2 symmetry is equipped with two, has seted up spout 16 on the chromatograph main part 1, and pedal slide 2 sliding connection is equipped with spring 21 in the spout 16, and spring 21 both ends are fixed connection respectively on spout 16 and pedal slide 2, fixedly connected with handrail 11 on the chromatograph main part 1, and handrail 11 lies in chromatograph main part 1 with pedal slide 2 and is on one side.

In the using process of the device, a mobile transporter can assist through the hand handrail 11 to ensure that the mobile transporter cannot fall down, then two feet step on the two pedal sliding plates 2 respectively and do up-and-down reciprocating stepping motion on the two pedal sliding plates 2 respectively, in the downward moving process of any foot-operated pedal sliding plate 2, the rack 22 fixedly connected on the pedal sliding plate 2 can drive the first gear 23 to rotate anticlockwise, the first gear 23 drives the second gear 24 to rotate clockwise, the second gear 24 drives the power shaft 26 to rotate clockwise through the ratchet 25, the power shaft 26 drives the guide wheel 15 to rotate clockwise through the transmission belt 27, so that the rotating shaft 14 drives the roller 13 to rotate clockwise, the chromatograph main body 1 can be driven to move forward under the rotation of the roller 13, and the chromatograph main body 1 is carried and moved, wherein the diameter of the power shaft 26 is far smaller than the diameter of the guide wheel 15, thereby it is guaranteed that the gear change of rack 22 transmission to the epaxial 14 of rotation is speed reduction, torque has been increased, can reduce the power that needs through stepping on the pedal slide 2, and step on the pedal slide 2 in-process through human dead weight and press, compare the manual work and stand and transversely promote subaerial, the utilization ratio of human motion acting can be increased substantially, the amount of labour has been saved, the efficiency of transportation is improved, second gear 24 in two sets of gear trains all is connected with power shaft 26 through ratchet 25, can guarantee that power shaft 26 rotates the in-process and can not reverse drive second gear 24 and rotate, thereby guarantee that pedal slide 2 resets under the spring 21 spring action and rises and can not provide reverse revolving force through gear group to power shaft 26, thereby influence gyro wheel 13 and last clockwise rotation.

A brake shaft 3 is connected with the chromatograph main body 1 through a thread, the bottom end of the brake shaft 3 is matched with the rotating shaft 14, a first bevel gear 31 is connected with the brake shaft 3 in a rotating way, a rotating rod 33 is connected with the chromatograph main body 1 in a rotating way, one end of the rotating rod 33 extends into the chromatograph main body 1 and is fixedly connected with a second bevel gear 32, the second bevel gear 32 is meshed with the first bevel gear 31, a limiting groove is arranged on the brake shaft 3, a lug matched with the limiting groove is fixedly connected with the first bevel gear 31, when the chromatograph main body 1 is moved and transported by stepping on the sliding plate 2, when the chromatograph main body is moved to a proper position or inclined downhill, the rotating rod 33 needs to be rotated, the rotating rod 33 drives the first bevel gear 31 to rotate through the second bevel gear 32, the first bevel gear 31 can drive the brake shaft 3 to move downwards in the rotating process so that the bottom end of the brake shaft 3 is abutted against the surface of the rotating shaft 14, therefore, the rotating shaft 14 is decelerated and stopped, so that the moving speed is controlled or the moving is stopped in the transportation process, a lug matched with a limiting groove on the brake shaft 3 is fixedly connected to the first bevel gear 31, the first bevel gear 31 can be ensured to drive the brake shaft 3 to rotate and move downwards under the condition of being in threaded connection with the chromatograph main body 1, and the first bevel gear 31 is always in a meshed state with the second bevel gear 32.

This device can step on the slide 2 through the manual work and drive gyro wheel 13 clockwise rotation to drive chromatograph main part 1 and move forward, can reduce by a wide margin and remove the in-process amount of labour, improved the utilization ratio of human motion acting, remove comparatively heavy middle-size and small-size liquid chromatograph in-process in the transportation, only need a workman can accomplish the removal transportation to equipment, improved conveying efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A portable liquid chromatograph includes a chromatograph main body (1), and is characterized by further including:

the device comprises a support frame (12) fixedly connected to the bottom of a chromatograph main body (1), a rotating shaft (14) is rotatably connected to the support frame (12), and a roller (13) and a guide wheel (15) are fixedly connected to the rotating shaft (14);

the pedal sliding plate (2) is connected in the chromatograph main body (1) in a sliding manner, and a rack (22) is fixedly connected to the pedal sliding plate (2);

a first gear (23) rotatably connected in the chromatograph main body (1), wherein the first gear (23) is meshed with a rack (22);

the power shaft (26) is rotatably connected in the chromatograph main body (1), the power shaft (26) is connected with a second gear (24) through a ratchet wheel (25), the second gear (24) is meshed with the first gear (23), and the power shaft (26) is rotatably connected with the guide wheel (15) through a transmission belt (27).

2. A portable liquid chromatograph according to claim 1, characterized in that said foot-operated slides (2) are symmetrically provided in two.

3. The portable liquid chromatograph according to claim 2, wherein the chromatograph body (1) has a chute (16), the pedal slider (2) is slidably connected in the chute (16), a spring (21) is disposed in the chute (16), and two ends of the spring (21) are respectively and fixedly connected to the chute (16) and the pedal slider (2).

4. A portable liquid chromatograph according to claim 3, characterized in that said chromatograph body (1) has an armrest (11) fixedly attached thereto, said armrest (11) being located on the same side of said chromatograph body (1) as said foot slide (2).

5. The portable liquid chromatograph according to claim 1, wherein a brake shaft (3) is screwed into the chromatograph body (1), a bottom end of the brake shaft (3) is engaged with the rotating shaft (14), a first bevel gear (31) is rotatably connected to the brake shaft (3), a rotating rod (33) is rotatably connected to the chromatograph body (1), one end of the rotating rod (33) extends into the chromatograph body (1) to fixedly connect a second bevel gear (32), and the second bevel gear (32) is engaged with the first bevel gear (31).

6. The portable liquid chromatograph according to claim 5, wherein the brake shaft (3) is provided with a limiting groove, and the first bevel gear (31) is fixedly connected with a projection matched with the limiting groove.