CN213854364U

CN213854364U - Liquid is quantitative proportioning device at uniform velocity

Info

Publication number: CN213854364U
Application number: CN202022557762.5U
Authority: CN
Inventors: 郝春媛; 严俊; 魏敏
Original assignee: Taizhou Fudan Zhangjiang Pharmaceutical Co Ltd
Current assignee: Taizhou Fudan Zhangjiang Pharmaceutical Co Ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-03
Anticipated expiration: 2030-11-06

Abstract

The utility model relates to a liquid medicine ration ratio auxiliary device field just discloses a liquid at uniform velocity ration ratio device, and it includes the support frame, the peristaltic pump has been placed on the top of support frame, be connected with the hose on the peristaltic pump, the one end intercommunication of hose has sour liquid bottle and its other end intercommunication to join in marriage the fluid reservoir, the top of joining in marriage the fluid reservoir is connected with the detachable end cap, activity through connection has the carriage release lever that extends into the fluid reservoir that is located vertical direction and fixes through the dead lever and adds sour pipe on the end cap, add the top and the hose intercommunication of sour pipe, be provided with the drive assembly who is used for driving the carriage release lever at the uniform velocity and goes up and down on the support frame. This practicality is through being provided with drive assembly in the backup pad, under drive assembly's effect, makes the carriage release lever go up and down from top to bottom at the uniform velocity, and the carriage release lever goes up and down at the uniform velocity will drive and add the acid pipe and remove from top to bottom at the uniform velocity, like this, can reduce produced error when manual removal adds the acid pipe to a certain extent.

Description

Liquid is quantitative proportioning device at uniform velocity

Technical Field

The utility model belongs to liquid medicine ration ratio auxiliary device field specifically is a liquid is proportioning device at uniform velocity and ration.

Background

In a laboratory, acid liquor is often required to be used for proportioning the liquid medicine quantitatively so as to enable the liquid medicine to reach a required pH value range, and in the process, a peristaltic pump is required to be connected with a hose for conveying liquid, wherein one end of the hose is used for communicating the acid liquor, and the other end of the hose is used for communicating a liquid preparation tank with an acid adding device.

During delivery, peristaltic pumps pump fluid by alternately squeezing and releasing the flexible delivery hose of the pump. Just like squeezing the hose with two fingers, as the fingers move, negative pressure is formed in the hose, and the liquid flows along with the negative pressure.

The acid adding device on the liquid preparation tank commonly used at present mostly consists of an acid adding pipe and a movable rod, the acid adding pipe and the movable rod are fixed together and are simultaneously inserted into the liquid preparation tank, and a device for manually clamping the movable rod is arranged on the liquid preparation tank, so that the height of the acid adding pipe can be conveniently adjusted according to the amount of the prepared liquid medicine.

Although the height of the acid adding pipe can be adjusted by manually clamping the movable rod, the accuracy of manual adjustment cannot be guaranteed, certain errors can occur in the process of each adjustment, and therefore a liquid constant-speed quantitative proportioning device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: although the mode of adopting manual centre gripping carriage release lever to put forward in solving above-mentioned background can adjust the height that adds the acid pipe, the unable assurance of precision of manual regulation, the problem of certain error can all appear at the in-process of adjusting at every turn, the utility model provides a liquid is proportioning device at uniform velocity ration.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a liquid is proportioning device at uniform velocity ration, includes the support frame, the peristaltic pump has been placed on the top of support frame, be connected with the hose on the peristaltic pump, the one end intercommunication of hose has sour liquid bottle and its other end intercommunication to join in marriage the fluid reservoir, the top of joining in marriage the fluid reservoir is connected with the detachable end cap, activity through connection has the carriage release lever that is located vertical direction and fixes together through the dead lever and adds sour pipe in extending joining in marriage the fluid reservoir on the end cap, the top and the hose intercommunication of adding sour pipe, be provided with the drive assembly who is used for driving the carriage release lever at the uniform velocity and goes up and down on the support frame.

Further, drive assembly is including installing the connecting plate on the carriage release lever top and being located the horizontal direction, gear steering is installed on the top of support frame, be fixed with vertical direction on gear steering's the longitudinal axis and with connecting plate screw thread through connection's lead screw, the epaxial hand wheel that is located the support frame back of installing of gear steering.

Furthermore, the bottom end of the acid adding pipe is communicated with a liquid outlet head positioned in the liquid distribution tank, one end of the liquid outlet head, which is far away from the acid adding pipe, is closed, and a plurality of through holes which are distributed in an annular array and used for discharging liquid are arranged on the liquid outlet head in a penetrating way.

Furthermore, the fixed rod between the movable rod and the acid adding pipe is positioned in the liquid distribution tank, and the movable rod and the acid adding pipe movably penetrate through the two connecting holes in the plug and are not in contact with each other.

Furthermore, the diameter of the bottom end of the plug is the same as the inner diameter of the opening of the liquid preparation tank, the diameter of the bottom end of the plug is smaller than that of the top end of the plug, and the diameter of the top end of the plug is larger than the outer diameter of the opening of the liquid preparation tank.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a be provided with drive assembly in the backup pad, under drive assembly's effect, make the carriage release lever go up and down at the uniform velocity from top to bottom, the carriage release lever at the uniform velocity goes up and down and will drive and add the acid pipe at the uniform velocity from top to bottom and remove, to sum up, through such setting, can reduce produced error when manual movement adds the acid pipe to a certain extent.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

in the figure: 1. a support frame; 2. a peristaltic pump; 3. a hose; 4. acid solution bottles; 5. preparing a liquid tank; 6. a plug; 7. a travel bar; 8. adding an acid pipe; 9. a drive assembly; 91. a connecting plate; 92. a gear diverter; 93. a screw rod; 10. and a through hole.

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 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.

In the idle place of the device, all the electric devices and the drivers matched with the electric devices are arranged, and all the driving parts, which refer to the power element, the electric devices and the adaptive power supply, are connected through the conducting wires by the person skilled in the art, and specific connecting means refer to the following expressions that the electric connection is completed among the electric devices in sequence, and the detailed connecting means are well known in the art.

The liquid constant-speed quantitative proportioning device provided by the specific embodiment, as shown in fig. 1 and fig. 2, comprises a support frame 1, the support frame 1 is a manual scissor-fork type lifting frame, a peristaltic pump 2 is placed on the top end of the support frame 1, a hose 3 is connected on the peristaltic pump 2, one end of the hose 3 is communicated with an acid liquid bottle 4, the other end of the hose is communicated with a liquid preparation tank 5, the top end of the liquid preparation tank 5 is connected with a detachable plug 6, the plug 6 is movably connected with a movable rod 7 and an acid adding pipe 8 which extend into the liquid preparation tank 5 and are positioned in the vertical direction and fixed together through a fixed rod, the top ends of the acid adding pipe 8 and the movable rod 7 are both positioned above the plug 6, the top end of the acid adding pipe 8 is communicated with the hose 3 (namely, the end of the hose 3 far away from the acid liquid bottle 4 is communicated with the acid adding pipe 8), in addition, a driving assembly 9 for driving the movable rod 7 to lift at a constant speed is arranged on the support frame 1, under the effect of drive assembly 9, make movable rod 7 lift from top to bottom at the uniform velocity, the even going up and down of movable rod 7 will drive the acid adding pipe 8 at the uniform velocity and move from top to bottom, through such setting, error that produces when can reduce manual removal acid adding pipe 8 to a certain extent.

The specific operation of the driving assembly 9 is as shown in fig. 2, the driving assembly 9 includes a connecting plate 91 installed on the top end of the moving rod 7 and located in the horizontal direction, a gear steering gear 92 is installed on the top end of the support frame 1, a screw rod 93 which is in the vertical direction and is in threaded through connection with the connecting plate 91 is fixed on the longitudinal axis of the gear steering gear 92, and a hand wheel located on the back of the support frame 1 is installed on the transverse axis of the gear steering gear 92, when the gear steering gear 92 is rotated, the screw rod 93 moves up and down to drive the connecting plate 91 and the moving rod 7 connected with the bottom end thereof to move up and down, because the moving rod 7 and the acid adding pipe 8 both movably penetrate the plug 6 and the plug 6 is connected to the solution preparation tank 5, the plug 6, the moving rod 7 and the acid adding pipe 8 can be seen as playing a relatively fixed role on the connecting plate 91, so that the connecting plate 91 can only move but can not rotate, in addition, the distance that the connecting plate 91 moves is fixed every time the screw 93 rotates, so the arrangement can realize the uniform movement of the connecting plate 91.

In order to make the acid adding pipe 8 discharge liquid uniformly, as shown in fig. 3, the bottom end of the acid adding pipe 8 is communicated with a liquid discharge head located in the liquid distribution tank 5, one end of the liquid discharge head far away from the acid adding pipe 8 is closed, and a plurality of through holes 10 distributed in an annular array and used for discharging liquid are arranged on the liquid discharge head in a penetrating manner.

As shown in fig. 2, the fixed rod between the moving rod 7 and the acid adding pipe 8 is located in the liquid preparation tank 5, and the moving rod 7 and the acid adding pipe 8 movably penetrate through the two connecting holes on the plug 6 without contacting with each other, so that the moving rod 7 and the acid adding pipe 8 cannot accidentally slide out of the plug 6.

In order to facilitate the installation and the disassembly of the plug 6, as shown in fig. 2, the diameter of the bottom end of the plug 6 is the same as the inner diameter of the opening of the liquid preparation tank 5, so that the bottom end of the plug 6 can be plugged into the opening of the liquid preparation tank 5, the diameter of the bottom end of the plug 6 is smaller than that of the top end of the plug, and the diameter of the top end of the plug 6 is larger than the outer diameter of the opening of the liquid preparation tank 5, so that the plug 6 cannot completely enter the opening of the liquid preparation tank 5, and the part of the plug which is left outside can facilitate the plug 6 to be pulled out.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liquid ration proportioning device at uniform velocity, includes support frame (1), its characterized in that, peristaltic pump (2) have been placed on the top of support frame (1), be connected with hose (3) on peristaltic pump (2), the one end intercommunication of hose (3) has sour liquid bottle (4) and its other end intercommunication to join in marriage fluid reservoir (5), the top of joining in marriage fluid reservoir (5) is connected with detachable end cap (6), movable through connection has the removal pole (7) that are located vertical direction and fix together through the dead lever that extend into in joining in marriage fluid reservoir (5) and adds acid tube (8) on end cap (6), the top and hose (3) intercommunication of adding acid tube (8), be provided with on support frame (1) and be used for driving removal pole (7) drive assembly (9) that the uniform velocity goes up and down.

2. The liquid constant-speed proportioning device according to claim 1, wherein the driving assembly (9) comprises a connecting plate (91) which is installed at the top end of the moving rod (7) and located in the horizontal direction, a gear steering gear (92) is installed at the top end of the support frame (1), a screw rod (93) which is in the vertical direction and is in threaded through connection with the connecting plate (91) is fixed on a longitudinal shaft of the gear steering gear (92), and a hand wheel which is located at the back of the support frame (1) is installed on a transverse shaft of the gear steering gear (92).

3. The liquid uniform-speed quantitative proportioning device according to claim 1, wherein a liquid outlet head located in the liquid distribution tank (5) is communicated with the bottom end of the acid adding pipe (8), one end of the liquid outlet head far away from the acid adding pipe (8) is closed, and a plurality of through holes (10) distributed in an annular array and used for liquid outlet are arranged on the liquid outlet head in a penetrating manner.

4. The liquid constant-speed quantitative proportioning device according to claim 1, wherein a fixed rod between the moving rod (7) and the acid adding pipe (8) is positioned in the liquid proportioning tank (5), and the moving rod (7) and the acid adding pipe (8) movably penetrate through two connecting holes on the plug (6) and are not in contact with each other.

5. The liquid constant-speed quantitative proportioning device according to claim 1, wherein the diameter of the bottom end of the plug (6) is the same as the inner diameter of the mouth of the liquid preparation tank (5), the diameter of the bottom end of the plug (6) is smaller than the diameter of the top end of the plug, and the diameter of the top end of the plug (6) is larger than the outer diameter of the mouth of the liquid preparation tank (5).