CN213037792U - Blood vessel imitating flow cavity - Google Patents

Abstract

The patent of the utility model discloses an imitative blood vessel cavity that flows belongs to biomedical technical field. The blood vessel-imitating flow cavity comprises a lower layer body, the top of the lower layer body is detachably connected with an upper layer body, the bottom wall of the upper layer body is connected with an insertion rod, the outer wall of the lower layer body is provided with a slot matched with the insertion rod in a chiseled mode, a first groove is further chiseled in the lower layer body and is communicated with the slot, the inner wall of the first groove is connected with a first elastic element, one end, away from the inner wall of the first groove, of the first elastic element is connected with a positioning block, the bottom of the insertion rod movably abuts against the positioning block, and the outer wall of the insertion rod is provided with a concave hole matched with; the utility model discloses a can realize the quick installation and the dismantlement between the upper strata body and the lower floor body, practice thrift the operating time who carries out a plurality of different condition contrast experiments, and then improve experiment work efficiency.

Description

Blood vessel imitating flow cavity

Technical Field

The patent of the utility model relates to a biomedical technical field especially relates to imitative blood vessel flow chamber.

Background

In biomedical engineering experimental research, comparative research experiments of separation of various cells such as blood cells and the like under the stimulation of fluid force and proliferation culture in the same fluid environment, comparative research experiments of the same cells under the stimulation of different fluid environments and the like all need a different condition contrast experimental design which can ensure the identity of the experiment and simultaneously meet the influence of the continuous fluid force of the simulated blood vessel on the cells. In recent years, each professional laboratory has developed, designed and manufactured a personalized cell hydrodynamics laboratory instrument according to its own experimental characteristics. The flow cavity for the blood vessel fluid experiment is one of the main components for carrying out microscope observation according to different fluid or cell conditions.

In the prior art, chinese patent No. CN201510643982.0 discloses an artificial blood vessel flow lumen, which includes an upper layer body and a lower layer body in a flat cuboid shape, the upper layer body and the lower layer body are connected by bolts, the upper layer body includes an upper observation window, two upper bosses, two sets of flow equalizing pool structures, four fluid pipes, a flow lumen, a driving structure, two glass sealing sheets and bolt holes; the lower layer body comprises a lower layer observation window, a lower layer body accommodating groove and a bolt hole; the beneficial effects of the invention are as follows: the operation and use are flexible and convenient, the universality is stronger, and the device is suitable for being matched with cellular hydrodynamics experimental instruments of different specifications and models, so that the experimental efficiency is improved, and the experimental cost is reduced; but this flow chamber is fixed through a plurality of bolts at the in-process upper strata body that specifically uses and lower floor's body, leads to flow the cavity installation and dismantle extremely inconvenient, influences the improvement of experiment work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a problem that exists in order to solve prior art, and the novel imitative blood vessel flow chamber that proposes.

In order to achieve the above object, the utility model provides a following technical scheme:

imitative blood vessel flow chamber includes the lower floor body, the top of lower floor body can be dismantled and be connected with the upper strata body, the diapire of upper strata body is connected with the inserted bar, lower floor's external wall is opened and is dug and have slot with inserted bar matched with, lower floor's internal first recess that has still dug of lower floor, first recess and slot communicate each other, first recess inner wall is connected with first elastic element, the one end that first elastic element kept away from first recess inner wall is connected with the locating piece, the bottom and the locating piece activity of inserted bar offset, the inserted bar outer wall is opened and is dug and is had the shrinkage pool with locating piece matched with.

The outer wall of the upper body is connected with a moving rod in a sliding mode, the moving rod is movably abutted to the positioning block, a second elastic element is connected between the moving rod and the inner wall of the inserting rod, one end, far away from the second elastic element, of the moving rod is connected with a pressing plate, and a moving groove matched with the pressing plate is formed in the outer wall of the upper body in a chiseled mode.

The upper surface and the lower surface of the concave hole are both provided with inclined planes, and the two inclined planes are movably abutted against the positioning block.

The internal second recess and the third recess of having dug of lower floor, second recess inner wall is connected with the atress piece, third recess inner wall is connected with the closing plate, the both ends of atress piece offset with inserted bar and closing plate activity respectively, upper body outer wall is dug and is had the seal groove with closing plate matched with.

The outer wall of the lower layer body is connected with a sealing gasket.

The inserted bar is provided with two sets, and every group is provided with two, two sets of the inserted bar is connected respectively at the both sides outer wall of upper strata body.

Compared with the prior art, the utility model provides an imitative blood vessel flow chamber possesses following advantage:

1. the blood vessel imitating flow cavity enables the upper layer body and the lower layer body to be mutually jointed by inserting the inserted rod into the slot; the inserted rod is fixed and limited through the positioning block, so that the upper layer body and the lower layer body are quickly installed; make through pushing down the pressure board and drive the carriage release lever and move down and extrude the locating piece, make the locating piece shift out the slot, shift up the upper strata body, realize the dismantlement between upper strata body and the lower floor body, practice thrift the operating time who carries out a plurality of different condition contrast experiments, and then improve experiment work efficiency.

2. This imitative blood vessel flow chamber makes the locating piece extrude to shrinkage pool department by the carriage release lever through setting up the inclined plane in the upper and lower two sides of shrinkage pool, upwards moves the upper strata body, makes the shrinkage pool along with the in-process inclined plane that the upper strata body shifts up offset and the extrusion locating piece with the locating piece, and the locating piece thoroughly separates with the inserted bar, improves the smoothness nature between the structure.

3. This imitative blood vessel flow chamber moves down the in-process through the inserted bar and offsets with the atress piece, makes the atress piece extrude the closing plate, and the closing plate shifts up and gets into in the seal groove of upper strata body bottom, shelters from the gap between upper strata body and the lower floor body, improves the sealed effect of device.

Drawings

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

fig. 2 is a schematic structural view of the lower layer body of the present invention;

fig. 3 is a schematic sectional view of the lower layer body of the present invention;

FIG. 4 is a schematic structural diagram of part A in FIG. 3 according to the present invention

Fig. 5 is a schematic structural view of the insert rod and the moving rod of the present invention.

In the figure: 1. an upper layer body; 2. a lower layer body; 3. inserting a rod; 301. concave holes; 4. a slot; 5. a first groove; 501. a first elastic element; 502. positioning blocks; 6. a travel bar; 601. a second elastic element; 602. a pressing plate; 7. a movable groove; 8. a second groove; 801. a stress block; 9. a third groove; 901. a sealing plate; 10. a sealing groove; 11. and a gasket.

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; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; 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:

referring to fig. 1-5, a vascular-simulated flow lumen comprises a lower body 2, an upper body 1 detachably connected to the top of the lower body 2, an insertion rod 3 connected to the bottom wall of the upper body 1, a slot 4 formed in the outer wall of the lower body 2 and engaged with the insertion rod 3, a first groove 5 formed in the lower body 2 and communicated with the slot 4, a first elastic member 501 connected to the inner wall of the first groove 5, a positioning block 502 connected to the end of the first elastic member 501 away from the inner wall of the first groove 5, a positioning block 502 movably abutting against the bottom of the insertion rod 3, a concave hole 301 engaged with the positioning block 502 formed in the outer wall of the insertion rod 3, a movable rod 6 slidably connected to the outer wall of the upper body 1, a second elastic member 601 movably abutting against the positioning block 502, a pressing plate 602 connected to the end of the movable rod 6 away from the second elastic member 601, the outer wall of the upper body 1 is provided with a movable groove 7 matched with the pressing plate 602, two groups of the inserting rods 3 are arranged, each group is provided with two, and the two groups of the inserting rods 3 are respectively connected with the outer walls of the two sides of the upper body 1.

During the specific use, insert the inserted bar 3 in the slot 4, make upper strata body 1 and lower floor's body 2 laminate each other, fix spacingly through locating piece 502 to inserted bar 3, thereby realize the quick installation between upper strata body 1 and lower floor's body 2, press the clamp plate 602 through pushing down, make press the clamp plate 602 to drive the carriage release lever 6 and move down and extrude locating piece 502, first elastic element 501 and the shrink of second elastic element 601, make locating piece 502 shift out slot 4, shift up upper strata body 1, the realization is to the dismantlement between upper strata body 1 and the lower floor's body 2, the save the operating time who carries out a plurality of different condition contrast experiments, and then improve experiment work efficiency.

Example 2:

referring to fig. 3-5, the blood vessel-imitating flow cavity is substantially the same as that of embodiment 1, and further, the upper and lower surfaces of the concave hole 301 are provided with inclined surfaces, and the two inclined surfaces are movably abutted against the positioning block 502; the positioning block 502 is pressed to the concave hole 301 by the moving rod 6, the upper body 1 is moved upwards, the inclined plane of the concave hole 301 abuts against the positioning block 502 and presses the positioning block 502 in the process of moving upwards along with the upper body 1, the positioning block 502 is thoroughly separated from the inserted rod 3, and the fluency between structures is improved.

A second groove 8 and a third groove 9 are further drilled in the lower body 2, the inner wall of the second groove 8 is connected with a stress block 801, the inner wall of the third groove 9 is connected with a sealing plate 901, two ends of the stress block 801 respectively movably abut against the inserted link 3 and the sealing plate 901, and a sealing groove 10 matched with the sealing plate 901 is drilled in the outer wall of the upper body 1; the inserted rod 3 is pressed against the stress block 801 in the downward moving process, so that the stress block 801 extrudes the sealing plate 901, the sealing plate 901 moves upwards to enter the sealing groove 10 at the bottom of the upper body 1, a gap between the upper body 1 and the lower body 2 is shielded, and the sealing effect of the device is improved.

The outer wall of the lower body 2 is connected with a sealing gasket 11; the sealing property between the upper layer 1 and the lower layer 2 is further improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides an imitative blood vessel flow chamber, includes lower body (2), the top of lower body (2) can be dismantled and be connected with upper body (1), a serial communication port, the diapire of upper body (1) is connected with inserted bar (3), lower body (2) outer wall is opened and is dug and has slot (4) with inserted bar (3) matched with, still open in lower body (2) and chisel and have first recess (5), first recess (5) and slot (4) communicate each other, first recess (5) inner wall is connected with first elastic element (501), the one end that first recess (5) inner wall was kept away from in first elastic element (501) is connected with locating piece (502), the bottom and locating piece (502) activity of inserted bar (3) offset, inserted bar (3) outer wall is opened and is dug shrinkage pool (301) with locating piece (502) matched with.

2. The biomimetic vascular flow lumen of claim 1, wherein: the outer wall of the upper body (1) is connected with a moving rod (6) in a sliding mode, the moving rod (6) is movably abutted to a positioning block (502), a second elastic element (601) is connected between the moving rod (6) and the inner wall of the inserting rod (3), one end, away from the second elastic element (601), of the moving rod (6) is connected with a pressing plate (602), and a movable groove (7) matched with the pressing plate (602) is formed in the outer wall of the upper body (1).

3. The biomimetic vascular flow lumen of claim 2, wherein: the upper surface and the lower surface of the concave hole (301) are both provided with inclined planes, and the inclined planes are movably abutted against the positioning block (502).

4. The biomimetic vascular flow lumen of claim 3, wherein: a second groove (8) and a third groove (9) are further formed in the lower body (2) in a chiseled mode, the inner wall of the second groove (8) is connected with a stress block (801), the inner wall of the third groove (9) is connected with a sealing plate (901), two ends of the stress block (801) are respectively movably abutted against the inserted bar (3) and the sealing plate (901), and a sealing groove (10) matched with the sealing plate (901) is formed in the outer wall of the upper body (1) in a chiseled mode.

5. The biomimetic vascular flow lumen of claim 4, wherein: the outer wall of the lower body (2) is connected with a sealing gasket (11).

6. The biomimetic vascular flow lumen of claim 1, wherein: the inserted bar (3) is provided with two sets, and every group is provided with two, two sets of inserted bar (3) are connected respectively at the both sides outer wall of upper strata body (1).

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