CN220158882U - Fixing structure of perfusion filter - Google Patents

Abstract

The utility model discloses a fixing structure of a perfusion filter, which comprises a fixing piece and a connecting piece, wherein the fixing piece comprises a fixing plate, a fixing belt is arranged on one side surface of the fixing plate, the fixing belt is attached to the other side surface of the fixing plate through a magic tape, the connecting piece comprises a fixing sleeve, movable clamping plates are symmetrically arranged on the inner peripheral surface of the fixing sleeve.

Description

Fixing structure of perfusion filter

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a fixing structure of a perfusion filter.

Background

The blood perfusion device (namely, the disposable blood perfusion device) is an essential key medical instrument for developing blood perfusion. The shell of the perfusion apparatus is made of plastic, filled with treated coated adsorbent, sealed and sterilized. At present, the existing blood perfusion device has no fixed binding structure, and often adopts ropes and masks to temporarily bind the blood perfusion device on a column body or a rod body, and is easy to loosen due to long-time exhaust and swing work, so that the blood perfusion device can be caused to fall down, and the work cannot be effectively performed, the operation is inconvenient and the appearance is not attractive.

For this purpose, a fixation structure of a perfusion filter is proposed.

Disclosure of Invention

The present utility model is directed to a fixing structure of a perfusion filter, so as to solve the problems set forth in the background art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a fixed knot of perfusion filter constructs, includes mounting and connecting piece, the mounting includes the fixed plate, one side surface of fixed plate is equipped with the fixed band, the fixed band is pasted mutually through the magic, the connecting piece sets up on the opposite side surface of fixed plate, the connecting piece includes fixed sleeve, and fixed sleeve's inner peripheral face symmetry is provided with mobilizable centre gripping plate.

According to the technical scheme, the inner peripheral surface symmetry of fixed sleeve is equipped with the arc recess, the centre gripping plate sets up the inside at the arc recess respectively, fixed sleeve's lateral wall corresponds the arc recess and runs through respectively and be equipped with the through-hole, the through-hole internal surface slides and is equipped with the movable rod, the movable rod with centre gripping plate fixed connection, the coaxial ring channel that is provided with of through-hole inner peripheral surface, the inside rotation of ring channel is equipped with the rotation sleeve, the rotation sleeve's inner peripheral surface is equipped with the internal thread with movable rod spiro union, the fixed sleeve is intraductal to be equipped with the rotation groove with the ring channel intercommunication, the outer peripheral surface of rotation sleeve is equipped with the external tooth, the inside rotation of rotation groove is equipped with the crown gear, the crown gear passes through external tooth and rotation sleeve meshing.

According to the technical scheme, the knob is rotationally arranged on the outer peripheral surface of the fixed sleeve, the knob is coaxially connected with the gear, and the gear is meshed with the crown gear.

According to the technical scheme, the movable rod comprises a movable sleeve, the movable sleeve is in threaded connection with the rotary sleeve, a movable cavity is formed in the movable sleeve, a movable block is slidably arranged on the inner surface of the movable cavity, a spring is arranged between the movable block and the movable sleeve, a rod piece is fixedly connected to the surface of the movable block, and the clamping plate piece is fixedly connected with the rod piece.

According to the technical scheme, fixed sleeve's outer peripheral face fixedly connected with spliced pole, the surface fixedly connected with circular plate of fixed plate, the spliced pole with circular plate rotates to be connected, the surface slip of spliced pole is equipped with the expansion ring, be equipped with the elastic component between expansion ring and the spliced pole, the surface of circular plate is equipped with positioning groove, and the surface of expansion ring corresponds positioning groove department and is equipped with the location lug.

Compared with the prior art, the utility model has the following beneficial effects: according to the perfusion filter, the fixing plate is arranged, the fixing belt is arranged on one side of the fixing plate, the fixing plate can be fixed on the upright post through the fixing belt, the fixing sleeve is arranged on the fixing plate, the movable clamping plates are symmetrically arranged in the fixing sleeve, and the perfusion filter is clamped through the clamping plates after passing through the fixing sleeve, so that stable fixation is formed on the perfusion filter.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top sectional view of the present utility model;

FIG. 3 is a schematic view of a left-hand cross-sectional structure of the present utility model;

FIG. 4 is a schematic view of a connecting column structure of the present utility model;

in the figure: 1-fixed plate, 2-fixed belt, 3-fixed sleeve, 4-clamping plate, 5-arc-shaped groove, 6-rotary groove, 7-annular groove, 8-rotary sleeve, 9-crown gear, 10-knob, 11-gear, 12-movable sleeve, 13-movable block, 14-rod piece, 15-connecting column, 16-circular plate and 17-movable ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a perfusion filter's fixed knot constructs, includes mounting and connecting piece, as shown in fig. 1, the mounting includes fixed plate 1, one side surface of fixed plate 1 is equipped with fixed band 2, fixed band 2 forms the ring-type through the laminating of magic subsides mutually, and fixed band 2 forms two rings-type from top to bottom through the laminating of magic subsides after, thereby can fix equipment on the shaft firmly, the connecting piece sets up on the opposite side surface of fixed plate 1, the connecting piece includes fixed sleeve 3, and fixed sleeve 3's inner peripheral symmetry is provided with mobilizable centre gripping plate 4, passes fixed sleeve 3 with the perfusion filter after, controls centre gripping plate 4 and removes, presss from both sides the perfusion filter to fix the perfusion filter is stable;

specifically, as shown in fig. 2, the inner peripheral surface of the fixed sleeve 3 is symmetrically provided with arc grooves 5, the clamping plate 4 is respectively arranged inside the arc grooves 5, the side walls of the fixed sleeve 3 are respectively provided with through holes in a penetrating manner corresponding to the arc grooves 5, the inner surfaces of the through holes are slidably provided with movable rods, the extending directions of the movable rods are arranged along the radial directions of the fixed sleeve 3, the movable rods are fixedly connected with the clamping plate 4, as shown in fig. 2, the inner peripheral surface of the through holes is coaxially provided with annular grooves 7, the annular grooves 7 are coaxially arranged with the fixed sleeve 3, the inside of the annular grooves 7 is rotationally provided with rotating sleeve 8, the inner peripheral surface of the rotating sleeve 8 is provided with internal threads in threaded connection with the movable rods, the rotating sleeve 8 is controlled to rotate under the action of the threaded cooperation, the clamping plate 4 is driven to move by the movable rods, the rotating grooves 6 are coaxially arranged with the fixed sleeve 3, the outer peripheral surface of the rotating sleeve 8 is provided with external teeth, and the crown gears 9 are rotationally meshed with the rotating sleeve 8 through the external teeth, so that the rotating sleeve 8 is driven to synchronously move under the synchronous action of driving the rotating sleeve 4;

specifically, the outer peripheral surface of the fixed sleeve 3 is rotatably provided with a knob 10, the knob 10 is coaxially connected with a gear 11, the gear 11 is meshed with the crown gear 9, the gear 11 is driven to rotate by rotating the knob 10, and the crown gear 9 is driven to rotate by the gear 11;

specifically, the movable rod comprises a movable sleeve 12, the movable sleeve 12 is in threaded connection with the rotary sleeve 8, a movable cavity is arranged in the movable sleeve 12, the movable cavity is in a strip shape, the extending direction of the movable cavity and the extending direction of the movable sleeve 12 are in the same direction, a movable block 13 is slidably arranged on the inner surface of the movable cavity, a spring is arranged between the movable block 13 and the movable sleeve 12, a rod piece 14 is fixedly connected to the surface of the movable block 13, a clamping plate 4 is fixedly connected with the rod piece 14, under the action of the spring, the clamping plate 4 generates a trend of moving away from the movable sleeve 12, and when the clamping plate 4 is controlled to move to clamp a perfusion filter, the spring is compressed, so that a buffer effect is achieved, and the perfusion filter is ensured to be damaged while the clamping perfusion filter is ensured;

specifically, the outer peripheral surface of the fixed sleeve 3 is fixedly connected with a connecting column 15, the outer surface of the fixed plate 1 is fixedly connected with a circular plate 16, the connecting column 15 is rotationally connected with the circular plate 16, the connecting column 15 is coaxially arranged with the circular plate 16, a movable ring 17 is slidably arranged on the outer surface of the connecting column 15, an elastic piece is arranged between the movable ring 17 and the connecting column 15, the elastic piece can be a spring, under the action of the spring, the movable ring 17 is close to and clings to the circular plate 16, a positioning groove is arranged on the surface of the circular plate 16, a positioning lug is arranged at the position of the outer surface of the movable ring 17 corresponding to the positioning groove, and under the action of the spring, the positioning lug is positioned in the positioning groove to position the relative angle between the fixed plate 1 and the fixed sleeve 3, so that the fixed plate 1 can be fixed on a transverse rod piece, the relative angle between the fixed sleeve 3 and the fixed plate 1 can be changed through rotation, and the applicability of the device is increased;

when the perfusion filter is used, the fixing plate 1 is fixed on a rod piece through the fixing belt 2, the perfusion filter passes through the fixing sleeve 3, the knob 10 is rotated, the knob 10 drives the gear 11 to rotate, the gear 11 drives the crown gear 9 to rotate, the crown gear 9 drives the rotating sleeve 8 to synchronously rotate, the movable rod is driven to move under the action of screw thread matching, the movable rod drives the clamping plate 4 to move, and the perfusion filter is fixed through the clamping plate 4.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides a fixed knot of perfusion filter constructs, includes mounting and connecting piece, its characterized in that: the fixing piece comprises a fixing plate (1), a fixing belt (2) is arranged on one side surface of the fixing plate (1), the fixing belt (2) is attached to each other through a magic tape, the connecting piece is arranged on the other side surface of the fixing plate (1), the connecting piece comprises a fixing sleeve (3), and movable clamping plate pieces (4) are symmetrically arranged on the inner peripheral surface of the fixing sleeve (3).

2. The fixation structure of a perfusion filter according to claim 1, wherein: the inner peripheral surface symmetry of fixed bolster (3) is equipped with arc recess (5), centre gripping plate (4) set up respectively in the inside of arc recess (5), the lateral wall of fixed bolster (3) corresponds arc recess (5) punishment and runs through and be equipped with the through-hole, the through-hole internal surface slides and is equipped with movable rod, movable rod with centre gripping plate (4) fixed connection, the coaxial ring channel (7) that is provided with of through-hole inner peripheral surface, the inside rotation of ring channel (7) is equipped with rotation sleeve (8), the inner peripheral surface of rotation sleeve (8) is equipped with the internal thread with movable rod spiro union, be equipped with in fixed bolster (3) with rotation groove (6) of ring channel (7) intercommunication, the outer peripheral surface of rotation sleeve (8) is equipped with the external tooth, the inside rotation of rotation groove (6) is equipped with crown gear (9), crown gear (9) are through external tooth and rotation sleeve (8) meshing.

3. The fixation structure of a perfusion filter according to claim 2, wherein: the outer peripheral surface of the fixed sleeve (3) is rotationally provided with a knob (10), the knob (10) is coaxially connected with a gear (11), and the gear (11) is meshed with the crown gear (9).

4. A perfusion filter fixing structure according to claim 3, wherein: the movable rod comprises a movable sleeve (12), the movable sleeve (12) is in threaded connection with the rotary sleeve (8), a movable cavity is formed in the movable sleeve (12), a movable block (13) is slidably arranged on the inner surface of the movable cavity, a spring is arranged between the movable block (13) and the movable sleeve (12), a rod piece (14) is fixedly connected to the surface of the movable block (13), and the clamping plate (4) is fixedly connected with the rod piece (14).

5. The fixation structure of a perfusion filter according to claim 4, wherein: the outer peripheral surface fixedly connected with spliced pole (15) of fixed sleeve (3), the surface fixedly connected with circular plate (16) of fixed plate (1), spliced pole (15) with circular plate (16) rotate and are connected, the surface of spliced pole (15) slides and is equipped with expansion ring (17), be equipped with the elastic component between expansion ring (17) and spliced pole (15), the surface of circular plate (16) is equipped with positioning groove, and the surface of expansion ring (17) corresponds positioning groove department and is equipped with positioning bump.