CN219770541U - Portable liquid chromatograph - Google Patents

Abstract

The utility model provides a portable liquid chromatograph, which belongs to the technical field of liquid chromatographs and comprises a box body, a cover plate, a liquid chromatograph body, a limiting shaft and a limiting piece. The bottom of box is equipped with four and rolls the wheel, and the top of box is the open end, and the box has adjacent first lateral wall and second lateral wall, is equipped with the take-out hole on the first lateral wall. The closing cap board includes horizontal part and vertical portion, and closing cap board and box follow vertical direction sliding connection, and the downward slip of closing cap board can make the open end of horizontal portion closing cap box, vertical portion closing cap take out the hole. The limiting shaft is vertically arranged and connected with the cover sealing plate. The limiting piece slides to penetrate through the second side wall. The portable liquid chromatograph provided by the utility model can avoid the problem that the liquid chromatograph is inconvenient to transport and the problem that the liquid chromatograph is lack of protection in the process of transporting the liquid chromatograph by a transport vehicle.

Description

Portable liquid chromatograph

Technical Field

The utility model belongs to the technical field of liquid chromatographs, and particularly relates to a portable liquid chromatograph.

Background

The automobile tail gas treatment liquid in the current market is good and bad, and needs to be detected by a liquid chromatograph. When the automobile exhaust treatment fluid is detected on site by a manufacturer, the liquid chromatograph is required to be carried from a laboratory to a transport vehicle, and after the liquid chromatograph reaches the manufacturer, the liquid chromatograph is carried from the transport vehicle to a detection position. Because of the large volume of the liquid chromatograph, handling the liquid chromatograph is inconvenient and there is no protection for the liquid chromatograph during transportation of the liquid chromatograph by a transportation vehicle.

Disclosure of Invention

The utility model aims to provide a portable liquid chromatograph, which aims to solve the problem that the liquid chromatograph is inconvenient to transport and the problem that the liquid chromatograph is lack of protection in the process of transporting the liquid chromatograph by a transport vehicle.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a portable liquid chromatograph is provided, which comprises a box body, a cover plate, a liquid chromatograph body, a limiting shaft and a limiting piece. The bottom of box is equipped with four and rolls the round, four the line between the round of rolling is the rectangle setting, the top of box is the open end, the box has adjacent first lateral wall and second lateral wall, be equipped with the take-out hole on the first lateral wall. The closing cap board is L type structure, including the horizontal part and the vertical portion of vertical setting of level setting, the closing cap board with box is along vertical direction sliding connection, the downward slip of closing cap board can make the horizontal part closing cap the open end of box the vertical portion closing cap take out the hole. The liquid chromatograph body has a transport state located within the housing. The limiting shaft is vertically arranged and connected with the cover plate. The limiting piece slides along the horizontal direction perpendicular to the second side wall to penetrate through the second side wall. When the cover plate slides upwards to enable the limiting shaft to reach the upper side of the limiting piece, the limiting piece slides in the box body to enable the limiting piece to support the limiting shaft, and at the moment, the vertical portion is in a state of opening the taking-out hole.

In one possible implementation, the bottom wall of the limiting member has a protruding portion protruding downward, the protruding portion being located in the case.

In one possible implementation, the portable liquid chromatograph further includes a drop-off prevention shaft. The anti-falling shaft is positioned outside the box body, and is vertically arranged and fixedly arranged on the limiting piece.

In one possible implementation, the portable liquid chromatograph further includes a U-shaped handle. The U-shaped handle is fixedly arranged on the anti-falling shaft and is provided with two pushing parts perpendicular to the second side wall.

In one possible implementation manner, the top surface of the limiting piece is provided with a positioning groove, and when the limiting shaft reaches the upper side of the limiting piece, the sliding of the limiting piece enables the positioning groove to be aligned with the limiting piece, so that the limiting shaft can penetrate into the positioning groove downwards.

In one possible implementation manner, the limiting shaft is rotationally connected with the horizontal portion, an external thread is arranged at the bottom of the limiting shaft, and the portable liquid chromatograph further comprises a locking tube. The locking pipe is located in the box body, the locking pipe is vertically arranged and fixedly arranged on the bottom wall of the box body, and internal threads are arranged in the locking pipe. When the horizontal part covers the opening end of the box body and the vertical part covers the taking-out hole, the bottom of the limiting shaft penetrates through the locking pipe and is in threaded connection with the external thread.

In one possible implementation manner, the limiting shaft can rotatably penetrate through the horizontal portion, the side wall of the limiting shaft is provided with two limiting portions protruding outwards, and the two limiting portions are attached to the horizontal portion from the upper side and the lower side.

In one possible implementation, the cover plate and the box are connected by a plurality of connection assemblies, the connection assemblies including a fixed tube and a sliding shaft. The fixed pipe is located in the box, the fixed pipe is vertical to be set up and set firmly on the diapire of box. The bottom end of the sliding shaft is arranged in the fixed pipe in a sliding way, and the upper end of the sliding shaft is fixedly connected with the horizontal part.

In one possible implementation manner, the side wall of the bottom end of the sliding shaft is provided with a sliding part protruding outwards, the sliding part is in circumferential sliding fit with the inner side wall of the fixed pipe, and the connecting assembly further comprises a fixed ring. The fixed ring is sleeved outside the sliding shaft in a sliding manner and is fixedly arranged on the top surface of the fixed pipe.

In one possible implementation, the portable liquid chromatograph further includes a stop frame. The limiting frame is horizontally arranged and fixedly arranged on the horizontal part. The liquid chromatograph body is provided with a working state that the bottom of the liquid chromatograph body slides into the limiting frame.

Compared with the prior art, the scheme provided by the embodiment of the utility model has the advantages that before the liquid chromatograph body is transported, the limiting piece is in the state of supporting the limiting shaft, so that the vertical part is kept in the state of opening the taking-out hole, and the liquid chromatograph body is placed into the box body through the taking-out hole, so that the liquid chromatograph body is in the transportation state. Then the locating part slides outside the box for the locating part is located one side of spacing axle, and the apron slides downwards afterwards, makes horizontal portion closing cap the open end of box, vertical portion closing cap take out the hole, thereby forms a inclosed space, can provide the protection to the liquid chromatograph body at the in-process of transportation like this, thereby avoids the in-process of transporting the liquid chromatograph through the transportation vehicle, lacks the problem to the protection of liquid chromatograph. Because the rolling wheels are arranged on the box body, the liquid chromatograph body can be carried by pushing the box body at the moment, so that the problem that carrying the liquid chromatograph is inconvenient is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic cross-sectional view of a portable liquid chromatograph according to an embodiment of the present utility model in a state in which a vertical portion opens a take-out hole;

FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;

fig. 3 is a schematic cross-sectional view of a portable liquid chromatograph according to an embodiment of the present utility model in a state in which a vertical portion closes a take-out hole;

FIG. 4 is an enlarged schematic view of the portion B in FIG. 3;

FIG. 5 is an enlarged schematic view of the portion C in FIG. 3;

fig. 6 is a schematic structural diagram of a limiting member in a portable liquid chromatograph according to an embodiment of the present utility model.

In the figure: 1. a case; 11. a first sidewall; 111. a take-out hole; 12. a second sidewall; 2. a rolling wheel; 3. a cover plate; 31. a horizontal portion; 32. a vertical portion; 4. a liquid chromatograph body; 5. a limiting shaft; 51. a limit part; 6. a limiting piece; 61. a protruding portion; 62. a positioning groove; 7. an anti-drop shaft; 8. a U-shaped handle; 81. a pushing part; 9. a locking tube; 10. a connection assembly; 101. a fixed tube; 102. a sliding shaft; 1021. a sliding part; 103. a fixing ring; 110. a limit frame; 120. a drive shaft.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1, 3, 4 and 5, a portable liquid chromatograph according to the present utility model will be described. The portable liquid chromatograph comprises a box body 1, a cover plate 3, a liquid chromatograph body 4, a limiting shaft 5 and a limiting piece 6. The bottom of box 1 is equipped with four and rolls round 2, and the line between four rolls round 2 is the rectangle setting, and the top of box 1 is the open end, and box 1 has adjacent first lateral wall 11 and second lateral wall 12, is equipped with take-out hole 111 on the first lateral wall 11. The closing plate 3 is L type structure, including the horizontal part 31 that the level set up and the vertical portion 32 of vertical setting, and closing plate 3 and box 1 follow vertical direction sliding connection, and the downward slip of closing plate 3 can make horizontal part 31 closing cap the open end of box 1, vertical portion 32 closing cap take out hole 111. The liquid chromatograph body 4 has a transport state within the cabinet 1. The limiting shaft 5 is vertically arranged and connected with the cover plate 3. The stopper 6 slides through the second side wall 12 in a horizontal direction perpendicular to the second side wall 12. When the cover plate 3 slides upwards to enable the limiting shaft 5 to reach the upper side of the limiting piece 6, the limiting piece 6 slides into the box body 1 to enable the limiting piece 6 to support the limiting shaft 5, and at the moment, the vertical portion 32 is in a state of opening the taking-out hole 111.

Compared with the prior art, the portable liquid chromatograph provided by the utility model has the advantages that before the liquid chromatograph body 4 is transported, the limiting piece 6 is in the state of supporting the limiting shaft 5, so that the vertical part 32 is kept in the state of opening the taking-out hole 111, and the liquid chromatograph body 4 is placed in the box body 1 through the taking-out hole 111, so that the liquid chromatograph body is in the transportation state. Then the locating part 6 slides outward to box 1 for locating part 6 is located one side of spacing axle 5, and then the blanking plate 3 slides downwards, makes horizontal part 31 blanking cover the open end of box 1, vertical part 32 blanking cover take-out hole 111 to form a inclosed space, can provide the protection to liquid chromatograph body 4 in the in-process of transportation like this, thereby avoid the problem that lacks the protection to liquid chromatograph in the in-process of transportation liquid chromatograph through the transportation vehicle. Because the rolling wheel 2 is arranged on the box body 1, the liquid chromatograph body 4 can be carried by pushing the box body 1 at the moment, so that the problem that the liquid chromatograph is inconvenient to carry is avoided.

When the detection position is reached, the cover plate 3 is driven to slide upwards, when the limiting shaft 5 reaches the upper side of the limiting piece 6, the limiting piece 6 is driven to slide into the box body 1, so that the limiting piece 6 supports the limiting shaft 5, the cover plate 3 is further limited to slide downwards, the vertical portion 32 is in a state of opening the taking-out hole 111, and the liquid phase spectrometer body is taken out of the box body 1 through the taking-out hole 111 and is placed on the horizontal portion 31 for use.

In this embodiment, some of the test instruments associated with the liquid chromatograph body 4 may be placed into the case 1 from the open end of the case 1.

Further, the take-out hole 111 may extend downward to the bottom wall of the case 1. When the liquid chromatograph body 4 is taken out from the box body 1, the liquid chromatograph body 4 can be driven to slide out of the box body 1 through the taking-out hole 111, so that the labor is saved. When the liquid chromatograph is placed in the case 1, one end of the liquid chromatograph may be first overlapped on the bottom wall of the case 1 through the take-out hole 111, and then the liquid chromatograph body 4 may be pushed into the case 1.

In some embodiments, the feature-limiter 6 may be configured as shown in fig. 1 and 6. Referring to fig. 1 and 6, the bottom wall of the stopper 6 has a protruding portion 61 protruding downward, and the protruding portion 61 is located in the case 1. The stopper 6 is restricted from sliding out of the case 1 by the projection 61 and is separated from the second side wall 12.

In some embodiments, the portable liquid chromatograph further comprises a drop-off prevention shaft 7. The anti-falling shaft 7 is positioned outside the box body 1, and the anti-falling shaft 7 is vertically arranged and fixedly arranged on the limiting piece 6. The limiting member 6 is prevented from sliding away from the second side wall 12 toward the case 1 by the limiting shaft 5.

In some embodiments, referring to fig. 1, the portable liquid chromatograph further includes a U-shaped handle 8. The U-shaped handle 8 is fixedly arranged on the anti-falling shaft 7, and the U-shaped handle 8 is provided with two pushing parts 81 perpendicular to the second side wall 12. The operator can hold the two pushing parts 81 to push the limiting member 6 to slide and move the case 1.

Further, referring to fig. 3, when the limiting member 6 slides out of the case 1 to enable the protruding portion 61 to be attached to the second side wall 12, the protruding portion 61 is located between the second side wall 12 and the limiting shaft 5, and at this time, the limiting shaft 5 and the second side wall 12 can be enabled to limit the protruding portion 61 from two sides by sliding the sealing cover 3 downward, so that the limiting member 6 is limited to slide.

In some embodiments, the feature-limiter 6 may be configured as shown in fig. 1 and 6. Referring to fig. 1 and 6, the top surface of the limiting member 6 is provided with a positioning groove 62, when the limiting shaft 5 reaches the upper side of the limiting member 6, the sliding of the limiting member 6 enables the positioning groove 62 to be aligned with the limiting member 6, so that the limiting shaft 5 can penetrate into the positioning groove 62 downwards, and the limiting shaft 5 can limit the sliding of the limiting member 6, so that the limiting member 6 keeps the state of supporting the limiting shaft 5.

In this embodiment, when the stopper 6 slides into the case 1 to make the anti-falling shaft 7 abut against the second side wall 12, the positioning groove 62 is aligned with the limiting shaft 5, so that the positioning groove 62 can be aligned with the limiting shaft 5 relatively easily when the stopper 6 is driven to slide.

In some embodiments, referring to fig. 3, the limiting shaft 5 is rotatably connected to the horizontal portion 31, the bottom of the limiting shaft 5 is provided with external threads, and the portable liquid chromatograph further includes a locking tube 9. The locking pipe 9 is located in the box 1, the locking pipe 9 is vertically arranged and fixedly arranged on the bottom wall of the box 1, and internal threads are arranged in the locking pipe 9. When the horizontal portion 31 covers the opening end of the case 1 and the vertical portion 32 covers the removal hole 111, the bottom of the limiting shaft 5 is inserted into the locking tube 9 and the external thread is in threaded connection with the internal thread. In the process of moving the closure plate 3 downward, by driving the limit shaft 5 to rotate so that the external screw thread is screwed into the internal screw thread, the closure plate 3 can be limited to slide, so that the horizontal portion 31 holds the open end of the closure case 1 and the vertical portion 32 holds the closure take-out hole 111.

In some embodiments, referring to fig. 5, the limiting shaft 5 may rotatably penetrate the horizontal portion 31, and the side wall of the limiting shaft 5 has two limiting portions 51 protruding outwards, and the two limiting portions 51 are attached to the horizontal portion 31 from upper and lower sides. The two limiting parts 51 can limit the relative movement of the limiting shaft 5 and the horizontal part 31 along the axial direction of the limiting shaft 5, so that the rotating connection of the limiting shaft 5 and the horizontal part 31 is realized.

Further, a driving shaft 120 perpendicular to the limiting shaft 5 is fixedly arranged at the top of the limiting shaft 5, and the limiting shaft 5 can be driven to rotate and the cover plate 3 can be driven to lift through the driving shaft 120.

In some embodiments, referring to fig. 1 and 2, the cover plate 3 is connected with the case 1 by a plurality of connection assemblies 10, and the connection assemblies 10 include a fixed pipe 101 and a sliding shaft 102. The fixed pipe 101 is located in the case 1, and the fixed pipe 101 is vertically arranged and fixedly arranged on the bottom wall of the case 1. The bottom end of the sliding shaft 102 is slidably disposed in the fixed tube 101, and the upper end is fixedly connected with the horizontal portion 31. The sliding connection of the closure plate 3 to the housing 1 is achieved by a sliding engagement of the sliding shaft 102 with the fixed tube 101.

In this embodiment, the horizontal portion 31 is required to support the liquid chromatograph body 4 for operation, and the plurality of sliding shafts 102 fixedly connected to the horizontal portion 31 can prevent the horizontal portion 31 from being deformed.

In some embodiments, referring to fig. 2, the side wall of the bottom end of the sliding shaft 102 has a sliding portion 1021 protruding outwards, the sliding portion 1021 is circumferentially slidably fitted with the inner side wall of the fixed tube 101, and the connection assembly 10 further includes a fixing ring 103. The fixed ring 103 is slidably sleeved outside the sliding shaft 102 and fixedly arranged on the top surface of the fixed pipe 101. The sliding shaft 102 is prevented from sliding upward off the fixed tube 101 by the restriction of the sliding portion 1021 by the fixing ring 103.

In some embodiments, referring to fig. 1, the portable liquid chromatograph further includes a stop frame 110. The limiting frame 110 is horizontally disposed and fixed on the horizontal portion 31. The liquid chromatograph body 4 has an operating state in which the bottom portion slides into the limit frame 110. At the detection site, the liquid chromatograph body 4 is in a working state that the bottom slides into the limit frame 110. The limiting frame 110 can limit the movement of the liquid chromatograph body 4 in the horizontal direction, thereby preventing the liquid chromatograph body 4 from falling from the horizontal portion 31.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A portable liquid chromatograph, comprising:

the box body is provided with four rolling wheels at the bottom, connecting lines among the four rolling wheels are rectangular, the top end of the box body is an open end, the box body is provided with a first side wall and a second side wall which are adjacent, and the first side wall is provided with a taking-out hole;

the cover plate is in an L-shaped structure and comprises a horizontal part and a vertical part, wherein the horizontal part is horizontally arranged, the vertical part is vertically arranged, the cover plate is in sliding connection with the box body along the vertical direction, and the downward sliding of the cover plate can enable the horizontal part to cover the opening end of the box body and the vertical part to cover the taking-out hole;

a liquid chromatograph body having a transport state within the housing;

the limiting shaft is vertically arranged and connected with the cover plate;

the limiting piece slides along the horizontal direction perpendicular to the second side wall to penetrate through the second side wall;

when the cover plate slides upwards to enable the limiting shaft to reach the upper side of the limiting piece, the limiting piece slides in the box body to enable the limiting piece to support the limiting shaft, and at the moment, the vertical portion is in a state of opening the taking-out hole.

2. The portable liquid chromatograph of claim 1, wherein the bottom wall of the stop member has a downwardly projecting projection, the projection being located within the housing.

3. A portable liquid chromatograph as set forth in claim 2, further comprising:

the anti-falling shaft is positioned outside the box body, and is vertically arranged and fixedly arranged on the limiting piece.

4. A portable liquid chromatograph according to claim 3, further comprising:

the U-shaped handle is fixedly arranged on the anti-falling shaft and is provided with two pushing parts perpendicular to the second side wall.

5. A portable liquid chromatograph according to claim 3 wherein the top surface of the spacing member is provided with a locating slot, and when the spacing shaft reaches above the spacing member, the sliding of the spacing member aligns the locating slot with the spacing member so that the spacing shaft can penetrate downwardly into the locating slot.

6. The portable liquid chromatograph according to claim 1, wherein the limiting shaft is rotatably connected to the horizontal portion, and the bottom of the limiting shaft is provided with an external thread, and the portable liquid chromatograph further comprises:

the locking pipe is positioned in the box body, is vertically arranged and fixedly arranged on the bottom wall of the box body, and is internally provided with internal threads;

when the horizontal part covers the opening end of the box body and the vertical part covers the taking-out hole, the bottom of the limiting shaft penetrates through the locking pipe and is in threaded connection with the external thread.

7. The portable liquid chromatograph according to claim 6, wherein the limit shaft is rotatably penetrating the horizontal portion, and the side wall of the limit shaft has two limit portions protruding outward, and the two limit portions are attached to the horizontal portion from the upper and lower sides.

8. The portable liquid chromatograph of claim 1, wherein the cover plate is coupled to the housing by a plurality of coupling assemblies, the coupling assemblies comprising:

the fixed pipe is positioned in the box body, is vertically arranged and is fixedly arranged on the bottom wall of the box body;

the bottom end of the sliding shaft is slidably arranged in the fixed pipe in a penetrating manner, and the upper end of the sliding shaft is fixedly connected with the horizontal part.

9. The portable liquid chromatograph of claim 8, wherein the side wall of the bottom end of the sliding shaft has an outwardly protruding sliding portion, and the sliding portion is circumferentially slidably attached to the inner side wall of the fixed tube, and the connecting assembly further comprises:

and the fixed ring is sleeved outside the sliding shaft in a sliding manner and is fixedly arranged on the top surface of the fixed pipe.

10. The portable liquid chromatograph of claim 1, further comprising:

the limiting frame is horizontally arranged and fixedly arranged on the horizontal part;

the liquid chromatograph body is provided with a working state that the bottom of the liquid chromatograph body slides into the limiting frame.