Disposable sterile cell filter tube
Technical Field
The utility model relates to a filter tube field, more specifically say, relate to disposable aseptic cell filter tube.
Background
Cells used in animal experiments can cause cell agglomeration when not treated or placed for a long time, so that the cells can directly cause cell death, solid-liquid separation is an important operation unit for sample treatment, and the solid-liquid separation process can be divided into two main types in principle: the first is sedimentation separation and the second is filtration separation.
The safety and the effect of the prior small-dose preparation (such as a water light needle) can be influenced without filtering before use, but the prior filter tube is large, and the small-dose cell is inconvenient to take out after filtration, so that a disposable filter tube for filtering the small-dose cell needs to be developed.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a disposable aseptic cell filter tube, it can realize conveniently filtering the cell sap that needs were stored, and convenient the changing of filter mechanism is with dismantling.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
Disposable aseptic cell filter tube, including the body, the upper end joint of body has sealed lid, fixedly connected with has a plurality of spacing rings on the inner wall of body, the filter screen has been placed on the spacing ring, the inner wall excavation of body has the spring groove, sliding connection has the rubber fixture block in the spring groove, fixedly connected with compression spring between rubber fixture block and the spring bottom of the groove, excavation of body upper end has a pair of draw-in groove, the joint has the net clamp of getting in the draw-in groove, it includes handle end, plane joint end and hook end to get the net clamp, handle end and hook end pass through plane joint end and be connected, excavation has the ring channel with hook end assorted on the inner wall of filter screen, and the convenience is filtered the cell sap that needs to store, and convenient the change of filter agency is with dismantling.
Further, the inner wall top fixedly connected with snap ring of sealed lid, fixedly connected with and filter screen assorted elasticity fixture block on the inner wall of snap ring conveniently accomodate the filter screen.
Furthermore, the spacing ring sets up to four, four the spacing ring is located the coplanar, when making the filter screen fixed and difficult appearance space between the inner wall of body.
Further, handle end, plane joint end and hook end formula structure as an organic whole, get the net and press from both sides and make by elastic plastic, convenience of customers uses and gets the net and press from both sides and take out the filter screen.
Furthermore, the lower end of the sealing cover is fixedly connected with a sealing ring matched with the pipe body, so that the sealing performance of the device is easily improved.
Furthermore, the pipe body is made of transparent plastic, and scale marks are carved on the pipe body, so that a user can conveniently observe the conditions in the pipe body.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) the convenient cell sap that needs to store of this scheme filters, and convenient the change of filter mechanism and dismantlement.
(2) The inner wall top fixedly connected with snap ring of sealed lid, fixedly connected with and filter screen assorted elasticity fixture block on the inner wall of snap ring conveniently accomodate the filter screen.
(3) The spacing ring sets up to four, and four spacing rings are located the coplanar, when making the filter screen fixed and difficult appearance space between the inner wall of body.
(4) Handle end, plane joint end and hook end formula structure as an organic whole, get the net and press from both sides and make by elastic plastic, the person of facilitating the use uses and gets the net clamp and take out the filter screen.
(5) The lower end of the sealing cover is fixedly connected with a sealing ring matched with the pipe body, so that the sealing performance of the device is easily improved.
(6) The pipe body is made of transparent plastic, and scale marks are carved on the pipe body, so that a user can conveniently observe the condition in the pipe body.
Drawings
FIG. 1 is an exploded view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
fig. 4 is a partial cross-sectional view of the rubber fixture block of the present invention.
The reference numbers in the figures illustrate:
the filter screen comprises a pipe body 1, a sealing cover 2, a 201 clamping ring, an elastic clamping block 202, a limiting ring 3, a rubber clamping block 4, a screen taking clamp 5, a handle end 501, a hook end 502, a plane clamping end 503 and a filter screen 6.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
please refer to fig. 1, fig. 3 and fig. 4, the disposable aseptic cell filtration tube comprises a tube body 1, the tube body 1 is made of transparent plastic, scale marks are carved on the tube body 1, the scale marks are used for measuring the amount of cell sap in the tube body 1, a user can conveniently observe the condition in the tube body 1, the volume of the tube body 1 has different specifications, such as 5ml, 10ml, 25ml, 50ml and the like, a sealing cover 2 is clamped at the upper end of the tube body 1, a clamping ring 201 is fixedly connected to the top end of the inner wall of the sealing cover 2, an elastic clamping block 202 matched with a filter screen 6 is fixedly connected to the inner wall of the clamping ring 201, the filter screen 6 is conveniently stored, a sealing ring matched with the tube body 1 is fixedly connected to the lower end of.
Referring to fig. 1 and 2, a plurality of limiting rings 3 are fixedly connected to an inner wall of a pipe body 1, the number of the limiting rings 3 is four, the four limiting rings 3 are located on the same plane, so that a gap is not likely to occur between the fixed filtering net 6 and the inner wall of the pipe body 1, the filtering net 6 is placed on the limiting rings 3, the filtering net 6 in the scheme has different specifications, for example, the aperture is 40 μm, 70 μm, 100 μm and the like, a person skilled in the art can replace the filtering net 6 with a proper aperture as required, the inner wall of the pipe body 1 is provided with a spring groove, a rubber clamping block 4 is slidably connected in the spring groove, a compression spring is fixedly connected between the rubber clamping block 4 and the bottom end of the spring groove, a pair of clamping grooves are formed in the upper end of the pipe body 1, a net taking clamp 5 is clamped in the clamping grooves, the net taking clamp 5 is made of elastic plastic, a user can take, Plane joint end 502 and hook end 503, handle end 501, plane joint end 502 and hook end 503 formula structure as an organic whole, handle end 501 is connected through plane joint end 502 with hook end 503, cut on the inner wall of filter screen 6 have with hook end 503 assorted ring channel, user's accessible hook end 503 catches on the ring channel and upwards pulls up and take out filter screen 6, body 1 is sealed with sealed lid 2 before this device uses, and the inside and outside of body 1 is all by aseptic disinfection.
During the use, the user places filter screen 6 on spacing ring 3, when placing filter screen 6, the user presses filter screen 6, make filter screen 6's frame extrusion rubber fixture block 4, make rubber fixture block 4 get into in the spring groove, filter screen 6 and spacing ring 3 laminating back, a pair of rubber fixture block 4 resets and fixes filter screen 6 under compression spring's effect, the user can add body 1 with cell liquid from the filter screen top this moment, make cell liquid filtered, filter the back, the user can use a pair of net clip 5 of getting to upwards pull-up filter screen 6, with this take out that realizes filter screen 6, can go into the snap ring 201 in the sealed lid 2 with filter screen 6 card when not needing filter screen 6, make filter screen 6 accomodate.
The above is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.