CN217893983U - Liquid chromatograph waste liquid collection device convenient to maintain - Google Patents

Abstract

The utility model discloses a liquid chromatograph waste liquid collection device convenient to maintain, which belongs to the technical field of liquid chromatographs and aims at solving the problems that a user is inconvenient to maintain and clean the deep part of the inner peripheral surface of a collecting barrel and the liquid chromatograph often have certain height difference, so that the user is inconvenient to add waste liquid generated by the liquid chromatograph into the collecting barrel; the utility model discloses a clean cover can carry out the revolution and self is circular motion around the intermediate position department of motion seat to clean the inner peripheral surface of collecting vessel body, and drive clean cover through the pneumatic cylinder and move in vertical direction, thereby can carry out cleaning action to the depths of collecting vessel body inner peripheral surface, and it possesses better clean effect.

Description

Liquid chromatograph waste liquid collection device convenient to maintain

Technical Field

The utility model belongs to the technical field of the liquid chromatograph, concretely relates to liquid chromatograph waste liquid collection device convenient to maintain.

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 two liquids which are liquid-solid or immiscible, and waste liquid generated when the liquid chromatograph is used needs to be collected by a corresponding waste liquid collecting device in the actual use process.

The liquid chromatograph waste liquid collection device among the prior art realizes the collection work to liquid chromatograph production waste liquid through the corresponding waste liquid collecting vessel of configuration, and at the in-process of long-term use, has following problem:

(1) after using a period, the inner peripheral surface of collecting vessel is attached to the dirt that has the remaining waste liquid of a certain amount to form easily, and the user need maintain cleaning to it, because the waste liquid collecting vessel possesses certain degree of depth to make the user be difficult to carry out cleaning to the inner peripheral surface of collecting vessel depths, have certain inconvenient part, thereby influence the recycle work of waste liquid, be unfavorable for the use.

(2) When the waste liquid collecting vessel collects the waste liquid, sometimes often there is certain difference in height in collecting vessel and liquid chromatograph to the inside of collecting vessel is added to the waste liquid that the user of not being convenient for produced liquid chromatograph.

Therefore, a liquid chromatograph waste liquid collecting device convenient to maintain is needed, and the problem that the user who exists among the prior art is inconvenient to maintain the depths of collecting vessel inner peripheral surface and often has certain difference in height with collecting vessel and liquid chromatograph to inconvenient user adds the waste liquid that liquid chromatograph produced to the inside of collecting vessel is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid chromatograph waste liquid collection device convenient to maintain to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a liquid chromatograph waste liquid collection device convenient to maintain, includes the motion chassis, the top of motion chassis is provided with the collecting vessel body, the top of collecting vessel body is fixed with the support, the pneumatic cylinder is installed at the top of support, the inside of collecting vessel body is provided with the motion seat, the top of motion seat is fixed with the link, the output of pneumatic cylinder passes support and collecting vessel body and is fixed mutually with the surface of link, the position department that motion seat top is located the link bottom installs first motor, the inner peripheral surface of motion seat is fixed with the ring gear, the output of first motor passes the motion seat and extends to motion seat inner chamber position department, the fixed cover that the first motor output extends to motion seat inner chamber portion is equipped with the connecting plate, the intermediate position department of connecting plate bottom is fixed with the connecting seat, one side swing joint of connecting plate bottom has the loose axle, the fixed cover in top of loose axle outer peripheral face is equipped with first gear, the fixed cover in bottom of loose axle outer peripheral face is equipped with the third gear, the bottom of connecting seat is connected with the axis of rotation, the top of axis of rotation is equipped with the second gear, the fixed cover is equipped with clean position department of fixed cover.

What need explain in the scheme is, the surface mounting of motion chassis one side has the second motor, three embedded groove has been seted up on the surface at motion chassis top, one of them the inside swing joint of embedded groove has the threaded rod, one side of threaded rod is passed corresponding position embedded groove and is fixed with the output of second motor, the outer peripheral face threaded connection of threaded rod has two thread bush, the top of thread bush is fixed with the fixed plate.

It is worth further saying that a plurality of clamping seats are fixed at the top of the fixing plate and the bottom of the collecting barrel body, and a support rod is arranged at the middle position of the two clamping seats corresponding to each other.

It should be further noted that a limiting rod is fixed at the middle position of the other two embedded grooves, two limiting sleeves are movably sleeved on the outer peripheral surface of the limiting rod, and the tops of the limiting sleeves penetrate through the embedded grooves at the corresponding positions and are fixed with the surfaces of the fixing plates at the corresponding positions.

In a preferred embodiment, one side of the first gear is engaged with one side of an inner peripheral surface of the ring gear, and the second gear is engaged with the third gear.

As a preferred embodiment, the top of the supporting rod is rotatably connected to the middle position of the corresponding position clamping seat, and the bottom of the supporting rod is rotatably connected to the middle position of the corresponding position clamping seat.

As a preferred embodiment, the connecting seat is arranged in an L shape, and the connecting frame is arranged in a U shape.

Compared with the prior art, the utility model provides a pair of liquid chromatograph waste liquid collection device convenient to maintain includes following beneficial effect at least:

(1) Through starting up pneumatic cylinder and first motor, make the motion seat take place vertical motion and the circular motion is to the connecting plate, and through the meshing effect between first gear and the ring gear, thereby make the loose axle be circular motion, thereby meshing effect between second gear and third gear, thereby make the clean cover can carry out the revolution around the intermediate position department of motion seat and self be circular motion, thereby clean the inner peripheral surface of collecting vessel body, and drive clean cover through the pneumatic cylinder and move in vertical direction, thereby can carry out cleaning action to the depths of collecting vessel body inner peripheral surface, and it possesses better clean effect, thereby the use convenience of the device has been improved, thereby the practicality of the device has been improved.

(2) Through starting the second motor for the circular motion is to the threaded rod, thereby makes the fixed plate move along the horizontal direction, thereby makes the bracing piece take place the angle change, thereby makes the collecting vessel body can move in vertical direction, thereby can adjust the collecting vessel body to adaptation liquid chromatograph's height, thereby can the person of facilitating the use add the waste liquid that liquid chromatograph produced to the collecting vessel body inside, thereby further improved the device's practicality.

Drawings

Fig. 1 is a schematic perspective view of the overall structure of the present invention;

fig. 2 is a schematic sectional view of the three-dimensional structure of the collecting barrel body of the present invention;

fig. 3 is a schematic sectional view of the three-dimensional structure of the motion base of the present invention;

fig. 4 is a schematic perspective view of the sport chassis of the present invention.

In the figure: 1. a moving chassis; 2. a collecting barrel body; 3. a support; 4. a hydraulic cylinder; 5. a kinematic seat; 6. a connecting frame; 7. a first motor; 8. a connecting plate; 9. a connecting seat; 10. a toothed ring; 11. a movable shaft; 12. a first gear; 13. a rotating shaft; 14. a second gear; 15. a third gear; 16. cleaning the sleeve; 17. a second motor; 18. embedding a groove; 19. a threaded rod; 20. a limiting rod; 21. a threaded sleeve; 22. a fixing plate; 23. a limiting sleeve; 24. a holder; 25. a support rod.

Detailed Description

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

In order to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical scheme of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and based on the described embodiments of the present invention, all other embodiments obtained by the ordinary skilled person in the art on the premise of not needing creative work all belong to the scope of protection of the present invention.

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.

Referring to fig. 1-4, the utility model provides a liquid chromatograph waste liquid collecting device convenient for maintenance, which comprises a moving chassis 1, a collecting barrel body 2 is arranged on the top of the moving chassis 1, a bracket 3 is fixed on the top of the collecting barrel body 2, a hydraulic cylinder 4 is installed on the top of the bracket 3, a moving seat 5 is arranged inside the collecting barrel body 2, a connecting frame 6 is fixed on the top of the moving seat 5, the output end of the hydraulic cylinder 4 passes through the bracket 3 and the collecting barrel body 2 and is fixed with the surface of the connecting frame 6, a first motor 7 is installed on the position of the top of the moving seat 5, which is positioned at the bottom of the connecting frame 6, a toothed ring 10 is fixed on the inner circumferential surface of the moving seat 5, the output end of the first motor 7 passes through the moving seat 5 and extends to the position of the inner cavity of the moving seat 5, and the output end of the first motor 7 extends to a fixed connecting plate 8 on the outer circumferential surface of the inner cavity part of the moving seat 5, a connecting seat 9 is fixed at the middle position of the bottom of the connecting plate 8, a movable shaft 11 is movably connected to one side of the bottom of the connecting plate 8, a first gear 12 is fixedly sleeved at the top of the outer peripheral surface of the movable shaft 11, a third gear 15 is fixedly sleeved at the bottom of the outer peripheral surface of the movable shaft 11, a rotating shaft 13 is movably connected to the bottom of the connecting seat 9, a second gear 14 is fixedly sleeved at the top of the outer peripheral surface of the rotating shaft 13, a cleaning sleeve 16 is fixedly sleeved at the middle position of the outer peripheral surface of the rotating shaft 13, the moving seat 5 is enabled to move in the vertical direction by starting the hydraulic cylinder 4, the height of the contact part of the cleaning sleeve 16 and the inner peripheral surface of the collecting barrel body 2 is enabled to change, the cleaning sleeve 16 revolves around the middle position of the moving seat 5 and does circular motion by starting the first motor 7, and the cleaning sleeve 16 and the inner peripheral surface of the collecting barrel body 2 are enabled to be scratched, thereby performing cleaning and maintenance work on the inner circumferential surface of the collecting bucket body 2.

Further as shown in fig. 1 and 4, it is worth specifically explaining that a second motor 17 is installed on the surface of one side of the moving chassis 1, three inner caulking grooves 18 are formed on the surface of the top of the moving chassis 1, a threaded rod 19 is movably connected inside one of the inner caulking grooves 18, one side of the threaded rod 19 penetrates through the corresponding position inner caulking groove 18 and is fixed to the output end of the second motor 17, two threaded sleeves 21 are connected to the outer peripheral surface of the threaded rod 19 in a threaded manner, a fixing plate 22 is fixed to the top of each threaded sleeve 21, the threaded rod 19 makes a circular motion by starting the second motor 17, the threaded sleeves 21 are subjected to an interference limiting effect of an inner cavity of the inner caulking grooves 18, and due to the fact that the two ends of the threaded rod 19 are provided with thread structures in opposite directions, the threaded sleeves 21 in the corresponding positions drive the fixing plate 22 to move in directions close to or far away from each other under the matching effect of the thread structures corresponding to the threaded rod 19.

Further as shown in fig. 4, it is worth specifically explaining that, the top of the fixing plate 22 and the bottom of the collecting main body 2 are fixed with two holders 24, the middle positions of the two holders 24 corresponding to the positions are provided with supporting rods 25, the fixing plate 22 moves towards the direction close to or away from each other, so as to drive the corresponding holders 24 to move, and further the supporting rods 25 deform, so that the height of the supporting rods 25 in the vertical direction changes, and further the height of the collecting barrel body 2 changes.

The scheme has the following working processes: in the actual use process, the amount of waste liquid collected by the collecting barrel body 2 should be not higher than the height of the water inlet of the collecting barrel body 2, when a user needs to clean and maintain the inner circumferential surface of the collecting barrel body 2, the first motor 7 is firstly started, so that the output end of the first motor 7 makes a circular motion, the connecting plate 8 is further driven to make a circular motion, the movable shaft 11 and the connecting seat 9 are further driven to make a revolution motion around the output end of the first motor 7, in the process of making a revolution motion, the first gear 12 and the gear ring 10 are meshed, so that the movable shaft 11 makes a circular motion while making a revolution motion, the third gear 15 is driven to make a circular motion, the connecting seat 9 makes a rotation shaft 13 make a revolution motion, in the process of making a revolution motion, the third gear 15 makes a circular motion by itself and is meshed with the second gear 14, thereby making the rotating shaft 13 do revolution motion and do circular motion by itself, and then driving the cleaning sleeve 16 to do corresponding motion, thereby cleaning the inner peripheral surface of the collecting barrel body 2 by the motion track of the cleaning sleeve 16, and by controlling the hydraulic cylinder 4, thereby making the output end of the hydraulic cylinder 4 extend in the vertical direction, thereby changing the height of the cleaning sleeve 16 in the vertical direction, thereby gradually cleaning and maintaining the inner peripheral surface of the collecting barrel body 2, when the user needs to adjust the height of the collecting barrel body 2 to adapt to the height of the liquid chromatograph, by starting the second motor 17, the threaded rod 19 makes circular motion, because the threaded sleeve 21 is impacted by the inner cavity of the inner caulking groove 18, and because the two ends of the threaded rod 19 are provided with thread structures with opposite directions, make the thread bush 21 that corresponds the position drive fixed plate 22 under the mating reaction with the corresponding helicitic texture of threaded rod 19 and can be to the direction motion that is close to each other or keeps away from each other to drive corresponding holder 24 and take place the motion, and then make bracing piece 25 take place deformation, thereby make bracing piece 25 highly change in vertical direction, and then make the high emergence of collecting vessel body 2 change.

According to the working process, the following steps are known: drive link 6 highly change and the clean cover 16 limits of first motor 7 drive of link 6 in vertical direction through pneumatic cylinder 4 and do revolution motion limit self and be circular motion, thereby it carries out clean maintenance work to collecting vessel body 2 to obtain the inner peripheral surface, thereby can carry out cleaning action to the depths of the inner peripheral surface of collecting vessel body 2, and it possesses better clean effect, thereby the use convenience of the device has been improved, circular motion is done through second motor 17 drive threaded rod 19, thereby make bracing piece 25 take place angular variation, thereby can adjust collecting vessel body 2 to the height of adaptation liquid chromatograph, thereby can the person of facilitating the use add the waste liquid that liquid chromatograph produced to collecting vessel body 2 inside.

Further as shown in fig. 4, it is worth specifically explaining that a limiting rod 20 is fixed at the middle position of the other two embedded grooves 18, two limiting sleeves 23 are movably sleeved on the outer peripheral surface of the limiting rod 20, the top of each limiting sleeve 23 penetrates through the corresponding position embedded groove 18 and is fixed with the surface of the corresponding position fixing plate 22, and the fixing plate 22 moves along the horizontal direction to drive the corresponding position limiting sleeve 23 to slide along the outer peripheral surface of the limiting rod 20 along the track of the inner cavity of the corresponding position embedded groove 18, so that a certain limiting effect can be exerted on the movement track of the fixing plate 22, and the fixing plate 22 can move more stably along the horizontal direction.

As further shown in fig. 2 and 3, it is worth concretely explaining that one side of the first gear 12 is meshed with one side of the inner circumferential surface of the toothed ring 10, the second gear 14 is meshed with the third gear 15, and since the first gear 12 is meshed with the toothed ring 10, the movable shaft 11 performs a self-rotation motion during the circular motion of the movable shaft 11, and the third gear 15 performs a circular motion and meshes with the second gear 14, so that the rotating shaft 13 performs a circular motion.

Further as shown in fig. 4, it is worth specifically describing that the top of the supporting rod 25 is rotatably connected to the middle position of the corresponding position holder 24, the bottom of the supporting rod 25 is rotatably connected to the middle position of the corresponding position holder 24, and the supporting rod 25 is connected to the middle position of the corresponding position holder 24, so that when the position of the fixing plate 22 changes, the supporting rod 25 can change the angle, and the height of the supporting rod 25 in the vertical direction changes.

As further shown in fig. 2 and 3, it is worth specifically describing that the connecting base 9 is disposed in an L shape, and the connecting frame 6 is disposed in a U shape, so that the corresponding first motor 7 and the first gear 12 can be installed at corresponding positions due to the shape arrangement of the connecting base 9 and the connecting frame 6.

To sum up: when a user needs to clean and maintain the inner circumferential surface of the collecting barrel body 2, the first motor 7 is firstly started, so that the output end of the first motor 7 makes circular motion, the connecting plate 8 is further driven to make circular motion, the movable shaft 11 and the connecting seat 9 are further driven to make revolution motion around the output end of the first motor 7, in the process of making revolution motion, the first gear 12 and the gear ring 10 are engaged, so that the movable shaft 11 makes circular motion while making revolution motion, the third gear 15 is driven to make circular motion, the connecting seat 9 makes revolution motion, the rotating shaft 13 is driven to make motion, in the process of making revolution motion of the rotating shaft 13, the third gear 15 makes circular motion by itself and is engaged with the second gear 14, so that the rotating shaft 13 makes circular motion while making revolution motion, and then drive clean cover 16 and do corresponding motion, thereby carry out cleaning work to the inner peripheral surface of collecting vessel body 2 through the motion track of clean cover 16, and through control pneumatic cylinder 4, thereby make the output of pneumatic cylinder 4 extend in vertical direction, thereby change the height of clean cover 16 in vertical direction, thereby can progressively carry out clean maintenance effect to the inner peripheral surface of collecting vessel body 2, when the user need adjust the height that collecting vessel body 2 located in order to adapt to liquid chromatograph's height, through starting second motor 17, make threaded rod 19 be circular motion, because threaded sleeve 21 receives the spacing effect of conflict of interior caulking groove 18 inner chamber, and because the both ends of threaded rod 19 are provided with opposite direction's helicitic texture, make the corresponding position's threaded sleeve 21 drive fixed plate 22 under the mating reaction with the corresponding helicitic texture of threaded rod 19 and can lean on each other to fixed plate 22 Nearly or the direction motion of keeping away from each other, move along the horizontal direction through fixed plate 22, the outer peripheral face that gag lever post 20 is being pasted along the orbit of the interior caulking groove 18 inner chamber of corresponding position to the stop collar 23 that drives corresponding position, thereby can play certain limited action to the movement track of fixed plate 22, thereby can be more steady when making fixed plate 22 move along the horizontal direction, thereby drive corresponding holder 24 and take place the motion, and then make bracing piece 25 take place deformation, thereby make bracing piece 25 highly change at vertical direction, and then make the highly change of collecting vessel body 2.

The hydraulic cylinder 4, the first motor 7 and the second motor 17 are commercially available, and the hydraulic cylinder 4, the first motor 7 and the second motor 17 are provided with power supplies, which belong to the mature technology in the field and are fully disclosed, so repeated description is omitted in the specification.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art, and the use of the term "including" or "comprising" in the present application shall mean that the element or item preceding the term covers the element or item listed after the term and its equivalents, but does not exclude other elements or items, and the term "connected" or "connected" is not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. merely indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may be changed accordingly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (7)

1. The utility model provides a liquid chromatograph waste liquid collection device convenient to maintain, includes motion chassis (1), its characterized in that, the top of motion chassis (1) is provided with collecting vessel body (2), the top of collecting vessel body (2) is fixed with support (3), pneumatic cylinder (4) are installed at the top of support (3), the inside of collecting vessel body (2) is provided with motion seat (5), the top of motion seat (5) is fixed with link (6), the output of pneumatic cylinder (4) passes support (3) and collecting vessel body (2) and is fixed with the surface of link (6), motion seat (5) top is located the position department of link (6) bottom and installs first motor (7), the inner peripheral surface of motion seat (5) is fixed with ring gear (10), the output of first motor (7) passes motion seat (5) and extends to motion seat (5) inner chamber position department, the output of first motor (7) extends to the motion seat (5) inner chamber position department, the middle peripheral face that the motion seat (5) inner chamber portion extends to be equipped with connecting plate (8), the fixed sleeve position department of middle part of first motor (7) is equipped with connecting plate (8) movable shaft (11), fixed sleeve (11) top position department of connecting sleeve (8) is connected with connecting seat (11), fixed connecting sleeve (8) top of connecting seat (11), the fixed cover in bottom of loose axle (11) outer peripheral face is equipped with third gear (15), the bottom swing joint of connecting seat (9) has axis of rotation (13), the fixed cover in top of axis of rotation (13) outer peripheral face is equipped with second gear (14), the fixed cover in intermediate position department of axis of rotation (13) outer peripheral face is equipped with clean cover (16).

2. The liquid chromatograph waste liquid collecting device convenient to maintain of claim 1, wherein: the surface mounting of motion chassis (1) one side has second motor (17), three embedded groove (18), one of them have been seted up on the surface at motion chassis (1) top the inside swing joint of embedded groove (18) has threaded rod (19), one side of threaded rod (19) is passed corresponding position embedded groove (18) and is fixed mutually with the output of second motor (17), the outer peripheral face threaded connection of threaded rod (19) has two thread bush (21), the top of thread bush (21) is fixed with fixed plate (22).

3. The liquid chromatograph waste liquid collecting device convenient to maintain of claim 2, wherein: the top of fixed plate (22) and the bottom of collecting vessel body (2) are fixed with a plurality of holders (24), two corresponding positions the intermediate position department of holder (24) is provided with bracing piece (25).

4. The liquid chromatograph waste liquid collecting device convenient to maintain of claim 2, wherein: the middle position department of other two embedded groove (18) is fixed with gag lever post (20), the outer peripheral face activity cover of gag lever post (20) is equipped with two stop collars (23), the top of stop collar (23) passes corresponding position embedded groove (18) and is fixed mutually with the surface of corresponding position fixed plate (22).

5. The liquid chromatograph waste liquid collecting device convenient to maintain of claim 1, wherein: one side of the first gear (12) is meshed with one side of the inner circumferential surface of the gear ring (10), and the second gear (14) is meshed with the third gear (15).

6. The liquid chromatograph waste liquid collecting device convenient to maintain of claim 3, wherein: the top of the supporting rod (25) is rotatably connected with the middle position of the corresponding position clamping seat (24), and the bottom of the supporting rod (25) is rotatably connected with the middle position of the corresponding position clamping seat (24).

7. The liquid chromatograph waste liquid collecting device convenient to maintain of claim 1, wherein: the connecting seat (9) is arranged in an L shape, and the connecting frame (6) is arranged in a U shape.

Images