CN216642923U

CN216642923U - Nanometer preparation extrusion buffer

Info

Publication number: CN216642923U
Application number: CN202123315463.1U
Authority: CN
Inventors: 王学智; 冷振寰; 王润伟; 张金萍; 王振刚
Original assignee: Hebei Daoen Pharmaceutical Co ltd
Current assignee: Hebei Daoen Pharmaceutical Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-31
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a nano-preparation extrusion buffering device which comprises an upper shell and a lower shell, wherein an inner membrane is arranged in the lower shell, a protective plate is arranged above the inner membrane, a fixed plate is arranged in the upper shell, the protective plate is connected with the fixed plate through a buffering mechanism, two symmetrically arranged strip-shaped openings are formed in the upper shell, movable rods are fixed in the two strip-shaped openings, clamping blocks are sleeved outside the movable rods, and the clamping blocks are connected with the strip-shaped openings through an extrusion mechanism. According to the utility model, the clamping block, the connecting groove, the sliding rod, the extrusion mechanism and the shifting rod are arranged, the clamping block is clamped in the clamping groove to realize the installation of the upper shell and the lower shell, the shifting rod can shift the clamping block to separate the clamping block from the clamping groove, and then the upper shell rotates relative to the lower shell to realize the separation of the clamping block and the clamping groove.

Description

Nanometer preparation extrusion buffer

Technical Field

The utility model relates to the technical field of pulsation dampers, in particular to a nano-preparation extrusion buffering device.

Background

The pulsation damper is a pressure container for eliminating liquid pressure pulsation or flow pulsation in a pipeline, and can play roles in stabilizing fluid pressure and flow, eliminating pipeline vibration, protecting downstream instruments and equipment, increasing volumetric efficiency of a pump and the like.

In the extrusion process of processing of the nano preparation, because the plunger pump is a single plunger, the pressure generated in the extrusion process is unstable, the difference between high pressure and low pressure is large, therefore, in order to ensure the uniformity of the extrusion quality of the liposome product, the pulsation damper is arranged, the pulsation damper is utilized to keep the pressure applied on the liquid medicine uniform, thereby ensuring the stability of the extrusion pressure of the liquid medicine, the upper half part and the lower half part of the pulsation damper in the prior art are mostly installed through bolts and nuts, is easily affected by vibration caused by extrusion in the actual using process, the bolt and the nut can be loosened due to long-time vibration, thereby lead to the first half to produce the gap with the latter half and influence its regulation pressure function, simultaneously in order to guarantee to link up stably, the bolt and nut's the volume of setting is very big, consequently can be very troublesome at actual installation and dismantlement in-process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a nano-preparation extrusion buffering device.

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

the utility model provides a nanometer preparation extrusion buffer, includes casing and lower casing, the internal inner membrance that is equipped with of inferior valve, the inner membrance top is equipped with the protection shield, go up the inside fixed plate that is equipped with of casing, the protection shield passes through buffer gear and is connected with the fixed plate, upward be equipped with the bar mouth that two symmetries set up on the casing, two all be fixed with the movable rod in the bar mouth, the outside cover of movable rod is equipped with the fixture block, the fixture block passes through extrusion mechanism and is connected with the bar mouth, casing up end is equipped with the linking groove that corresponds with the fixture block down.

Preferably, the buffer mechanism comprises a buffer spring fixedly connected with the bottom wall of the fixing plate, and the end part of the buffer spring is elastically connected with the upper end face of the protection plate.

Preferably, the extrusion mechanism includes the extrusion spring with the fixture block lateral wall, extrusion spring tip and the interior wall elastic connection of bar mouth, the extrusion spring cover is established at the movable rod outside.

Preferably, the upper end face of the upper shell is provided with a movable groove matched with the strip-shaped opening, the inner wall of the movable groove is connected with a shifting lever in a sliding mode, and the end portion of the shifting lever is fixedly connected with the upper end face of the clamping block.

Preferably, a plurality of fixing rods are fixed on the outer wall of the fixing plate, and the end parts of the plurality of fixing rods are fixedly connected with the upper inner wall of the upper shell.

Preferably, a clamping groove corresponding to the clamping block is formed in one end of the joining groove, and an inlet and an outlet matched with the clamping block are formed in the other end of the joining groove.

Preferably, the upper casing diapire is equipped with the sealing ring, the lower casing up end is equipped with the joint groove that corresponds with the sealing ring, the sealing ring is circular with some cross-sections in joint groove.

The utility model has the beneficial effects that:

1. through setting up fixture block, linking up groove, slide bar, extrusion mechanism and driving lever, utilize the fixture block card to go into the installation that realizes casing and lower casing in the draw-in groove, can stir the fixture block through the driving lever and make it separate with the draw-in groove, the casing can realize the separation of the two again for lower casing rotation goes up the casing, and this setting makes pulsation damper's dismantlement installation become more convenient, avoids using bolt and nut can avoid not hard up the emergence to break away from the accident.

2. Through setting up fixed plate, protection shield and buffer gear, when the membrane was pressed greatly to the drum trend great, the protection shield can be touched to the inner membrance, through protection shield extrusion buffer spring, can play the buffering guard action under the elastic potential energy effect that buffer spring provided, avoids the inner membrance to take place to break.

3. Through setting up sealing ring and joint groove, when last casing and casing accomplish the installation down, the sealing ring also gets into the joint inslot by the extrusion simultaneously, can guarantee the seal.

Drawings

FIG. 1 is a schematic diagram of an internal structure of a nano-formulation extrusion buffering device according to the present invention;

FIG. 2 is a schematic top view of a lower housing of a nano-formulation extrusion buffering device according to the present invention;

fig. 3 is a schematic bottom view of an upper housing of a nano-formulation extrusion buffering device according to the present invention.

In the figure: the device comprises an upper shell 1, a lower shell 2, an inner membrane 3, a clamping block 4, a driving lever 5, a sealing ring 6, a clamping groove 7, a fixing plate 8, a protection plate 9, a buffer spring 10, a connecting groove 11, a strip-shaped opening 12, a movable rod 13 and an extrusion spring 14.

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.

Referring to fig. 1-3, a nanometer preparation extrusion buffer device, including last casing 1 and lower casing 2, be equipped with interior membrane 3 in the casing 2 down, interior membrane 3 top is equipped with protection shield 9, the inside fixed plate 8 that is equipped with of last casing 1, protection shield 9 is connected with fixed plate 8 through buffer gear, buffer gear includes buffer spring 10 with 8 diapire fixed connection of fixed plate, buffer spring 10 tip and protection shield 9 up end elastic connection, after last casing 1 is connected with lower casing 2, interior membrane 3 pressurized can have the trend of upwards bulging, when its trend is too big and can take place the breakage, interior membrane 3 can touch protection shield 9, extrude buffer spring 10 through protection shield 9, can play the buffering guard action under the elastic potential energy effect that buffer spring 10 provided, avoid interior membrane 3 excessively to go up the drum and take place the fracture.

The upper shell body 1 is provided with two symmetrically-arranged bar-shaped openings 12, movable rods 13 are fixed in the two bar-shaped openings 12, a clamping block 4 is sleeved outside the movable rods 13, the upper end face of the lower shell body 2 is provided with a connecting groove 11 corresponding to the clamping block 4, one end of the connecting groove 11 is provided with a clamping groove corresponding to the clamping block 4, the other end of the connecting groove 11 is provided with an inlet and an outlet matched with the clamping block 4, the clamping block 4 is connected with the bar-shaped openings 12 through an extrusion mechanism, the extrusion mechanism comprises an extrusion spring 14 on the side wall of the clamping block 4, the end part of the extrusion spring 14 is elastically connected with the inner wall of the bar-shaped opening 12, the extrusion spring 14 is sleeved outside the movable rods 13, the clamping block 4 finally enters the clamping groove along the connecting groove 11, and at the moment, the clamping block 4 is pushed to enter the clamping groove under the action of elastic potential energy of the extrusion spring 14 to complete connection of the upper shell body 1 and the lower shell body 2.

Go up the casing 1 up end and be equipped with the activity groove with bar mouth 12 complex, activity inslot wall sliding connection has driving

lever

5, 5 tip of driving lever and fixture block 4 up end fixed connection, and fixture block 4 can be stirred to driving lever 5, makes it and draw-in groove separation, can remove the connection of last casing 1 and lower casing 2.

The outer wall of the fixing plate 8 is fixed with a plurality of fixing rods, the end parts of the plurality of fixing rods are fixedly connected with the upper inner wall of the upper shell 1, and the fixing plate 8 is fixedly connected with the inner wall of the upper shell 1 through the plurality of fixing rods.

Go up 1 diapire of casing and be equipped with sealing

ring

6, 2 up ends of lower casing are equipped with the joint groove 7 that corresponds with sealing ring 6, and sealing ring 6 is circular with some cross-sections in joint groove 7, and some cross-sections can make in sealing ring 6 gets into joint groove 7 for circular design and extrude to fill in, can guarantee to connect seal and stability between the two.

When the sealing device is used, the upper shell 1 and the lower shell 2 are assembled together, the upper shell 1 is placed on the lower shell 2 during installation, the clamping block 4 is located at the position of an inlet and an outlet of the connecting groove 11, the clamping block 4 is moved by the deflector rod 5, the clamping block 4 slides on the outer wall of the movable rod 13 and compresses the extrusion spring 14, the clamping block 4 enters the connecting groove 11 from the inlet and the outlet, the upper shell 1 rotates relative to the lower shell 2, the clamping block 4 finally enters the clamping groove along the connecting groove 11 and corresponds to the clamping groove, the clamping block 4 is pushed into the clamping groove under the action of elastic potential energy of the extrusion spring 14 to complete connection of the upper shell 1 and the lower shell 2, and meanwhile, the sealing ring 6 is also extruded into the clamping groove 7, so that the sealing performance can be guaranteed;

after the upper shell 1 is connected with the lower shell 2, the inner membrane 3 is pressed to have a tendency of upward bulging, when the tendency is too large and the inner membrane is likely to be broken, the inner membrane 3 touches the protection plate 9, the protection plate 9 extrudes the buffer spring 10, and the buffer protection effect can be achieved under the action of elastic potential energy provided by the buffer spring 10, so that the inner membrane 3 is prevented from being broken due to excessive upward bulging.

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. The utility model provides a nanometer preparation extrusion buffer, includes casing (1) and casing (2) down, its characterized in that, be equipped with inner membrance (3) down in casing (2), inner membrance (3) top is equipped with protection shield (9), it is equipped with fixed plate (8) to go up casing (1) inside, protection shield (9) are connected with fixed plate (8) through buffer gear, it is equipped with bar mouth (12) that two symmetries set up, two to go up casing (1) all be fixed with movable rod (13) in bar mouth (12), the outside cover of movable rod (13) is equipped with fixture block (4), fixture block (4) are connected with bar mouth (12) through extrusion mechanism, casing (2) up end is equipped with and links up groove (11) that correspond with fixture block (4) down.

2. The nano-formulation extrusion buffering device as claimed in claim 1, wherein the buffering mechanism comprises a buffering spring (10) fixedly connected with the bottom wall of the fixing plate (8), and the end of the buffering spring (10) is elastically connected with the upper end surface of the protection plate (9).

3. The nano-preparation extrusion buffering device as claimed in claim 1, wherein the extrusion mechanism comprises an extrusion spring (14) connected with the side wall of the fixture block (4), the end of the extrusion spring (14) is elastically connected with the inner wall of the strip-shaped opening (12), and the extrusion spring (14) is sleeved outside the movable rod (13).

4. The nano-preparation extrusion buffering device as claimed in claim 1, wherein the upper end face of the upper shell (1) is provided with a movable groove matched with the bar-shaped opening (12), the inner wall of the movable groove is slidably connected with a driving lever (5), and the end of the driving lever (5) is fixedly connected with the upper end face of the fixture block (4).

5. The nano-formulation extrusion buffering device as claimed in claim 1, wherein a plurality of fixing rods are fixed on the outer wall of the fixing plate (8), and the ends of the plurality of fixing rods are fixedly connected with the upper inner wall of the upper shell (1).

6. The nano-formulation extrusion buffering device according to claim 1, wherein one end of the engaging groove (11) is provided with a clamping groove corresponding to the fixture block (4), and the other end of the engaging groove (11) is provided with an inlet and an outlet matched with the fixture block (4).

7. The nano-preparation extrusion buffering device as claimed in claim 1, wherein a sealing ring (6) is arranged on the bottom wall of the upper shell (1), a clamping groove (7) corresponding to the sealing ring (6) is arranged on the upper end surface of the lower shell (2), and the cross sections of the sealing ring (6) and a part of the clamping groove (7) are circular.