CN213375533U - Needle filter fixing device - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, in particular to a needle filter fixing device, which solves the defects of difficult stable placement and difficult clean and dry keeping existing in the prior art, and comprises a box body, wherein the box body is of a cavity structure, the top of the box body is fixedly provided with a travel switch through screws, the bottom wall of the box body is fixedly provided with a micro blower through bolts, one side of the micro blower is fixedly connected with a pipe joint through screws, one side of the pipe joint is fixedly connected with a bent pipe through screws, and through the arrangement of the structures such as the micro blower, the pipe joint, the bent pipe, the travel switch and the like, when a user rotates a high screw rod to move a cover plate downwards, the cover plate touches the travel switch, so that the micro blower is started to lead dry air to a needle filter through the bent pipe, and the needle filter can be, the utility model is convenient for the relevant personnel to use again.

Description

Needle filter fixing device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a aciculiform filter fixing device.

Background

The needle type filter is widely applied in a laboratory, does not need to change a membrane and clean the filter, saves complex and time-consuming preparation work, and is mainly applied to aspects of pre-filtering a sample, clarifying and removing particles, sterilizing and filtering liquid and gas and the like.

In the prior art, the structure that two ends of a needle type filter are protruded makes the needle type filter difficult to stably place and fix, and for the non-disposable needle type filter, under the condition that the needle type filter is not used after being cleaned, the needle type filter is difficult to simultaneously keep clean and dry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art that the needle filter is difficult to stably place and keep clean and dry, and providing a needle filter fixing device.

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

a fixing device for a needle-shaped filter comprises a box body, wherein the box body is of a cavity structure, a travel switch is fixedly mounted at the top of the box body through screws, a micro air blower is fixedly mounted on the bottom wall of the box body through bolts, the bottom wall of the box body is fixedly connected with a telescopic rod and a guide pillar through countersunk screws in sequence, the side wall of the box body is fixedly connected with a fixing block through hexagon socket head cap screws, and a height screw rod is rotatably arranged in the box body;

a cover plate is sleeved outside the guide pillar, the cover plate is sleeved outside the height screw rod, a trigger rod is welded at the top of the cover plate, the bottom of the cover plate is fixedly connected with a shell through a bolt, the shell is welded with a telescopic rod, a horizontal screw rod is rotatably arranged inside the shell, one end of the horizontal screw rod is connected with a gear through a key, a moving block is sleeved outside the horizontal screw rod, and a pressing block is welded on one side of the moving block;

one side of the fixed block is fixedly connected with a rack through a countersunk screw, and the rack is meshed with the gear;

one side of the micro air blower is fixedly connected with a pipe joint through a screw, and one side of the pipe joint is fixedly connected with an elbow pipe through a screw.

Preferably, rectangle through-hole and square through-hole have been seted up in proper order to one side of box, apron and briquetting pass the inside of rectangle through-hole and square through-hole respectively, the air vent has been seted up at the top of box, the return bend passes the inside of air vent, symmetrical arrangement's first bearing is installed to the inner wall of box, the inside at first bearing is established to high screw rod cover.

Preferably, the lateral wall of casing is installed the second bearing of symmetrical arrangement, horizontal screw rod cover is established in the inside of second bearing, the through-hole has been seted up to one side of casing, through-hole and briquetting sliding connection.

Preferably, a first threaded hole is formed in the moving block, and the horizontal screw is in threaded connection with the first threaded hole.

Preferably, a second threaded hole is formed in the cover plate, the height screw is in threaded connection with the second threaded hole, a guide post hole is formed in the cover plate, and the guide post hole is in sliding connection with the guide post.

Preferably, the travel switch is electrically connected with the micro blower.

The utility model has the advantages that:

1. the utility model discloses in through the setting of box, telescopic link, guide pillar, travel switch, trigger bar isotructure, after the user rotates high screw rod and makes the apron move down, drive the part downstream in the casing, can make the briquetting stretch out simultaneously, compress tightly needle type filter antiskid limit, make it can be by stable placing and fixed.

2. The utility model discloses in through the setting of micro-blower, coupling, return bend, travel switch isotructure, rotate high screw rod when the user and make the apron move down the back, the apron bumps travel switch for micro-blower starts, accesss to needle type filter with dry air by the return bend, makes it also can keep clean and dry when the user state, makes things convenient for relevant personnel to reuse.

Drawings

Fig. 1 is a schematic structural view of a needle filter fixing device according to the present invention;

fig. 2 is a side view of the box body according to the present invention;

fig. 3 is a schematic structural diagram of a needle filter fixing device a according to the present invention.

In the figure: the device comprises a box body 1, an expansion rod 2, a guide post 3, a travel switch 4, a trigger rod 5, a cover plate 6, a screw rod 7 in height, a shell 8, a rack 9, a gear 10, a horizontal screw rod 11, a micro blower 12, a pipe joint 13, a bent pipe 14, a fixed block 15, a movable block 16 and a press block 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, a fixing device for a needle filter comprises a box body 1, wherein the box body 1 is a cavity structure, a travel switch 4 is fixedly installed at the top of the box body 1 through screws, a micro blower 12 is fixedly installed at the bottom wall of the box body 1 through bolts, a telescopic rod 2 and a guide post 3 are fixedly connected to the bottom wall of the box body 1 through countersunk screws in sequence, a fixing block 15 is fixedly connected to the side wall of the box body 1 through hexagon socket head cap screws, a height screw 7 is rotatably installed in the box body 1, a cover plate 6 is sleeved outside the guide post 3, the cover plate 6 is sleeved outside the height screw 7, a trigger rod 5 is welded at the top of the cover plate 6, a shell 8 is fixedly connected to the bottom of the cover plate 6 through bolts, the shell 8 is welded with the telescopic rod 2, a horizontal screw 11, the outside cover of horizontal screw 11 is equipped with movable block 16, and the welding of one side of movable block 16 has briquetting 17, and the countersunk screw fixedly connected with rack 9 is passed through to one side of fixed block 15, and rack 9 is connected with the gear 10 meshing, and screw fixedly connected with coupling 13 is passed through to one side of micro-blower 12, and screw fixedly connected with return bend 14 is passed through to one side of coupling.

Wherein, through box 1, telescopic link 2, guide pillar 3, travel switch 4, the setting of 5 isotructures of trigger lever, it makes apron 6 after moving down to rotate high screw rod 7 as the user, drive the part downstream in the casing 8, can make briquetting 17 stretch out simultaneously, compress tightly needle type filter antiskid limit, make it can be by stable placing and fixing, through micro-blower 12, coupling 13, return bend 14, travel switch 4 isotructure's setting, it makes the apron after moving down to rotate high screw rod as the user, the apron bumps travel switch, make micro-blower 12 start, lead to needle type filter with dry air by return bend 14, make it also can keep clean and dry when the user state, make things convenient for relevant personnel to reuse.

Further, a rectangular through hole and a square through hole are sequentially formed in one side of the box body 1, the cover plate 6 and the press block 17 respectively penetrate through the rectangular through hole and the square through hole, an air vent is formed in the top of the box body 1, the bent pipe 14 penetrates through the inside of the air vent, first bearings which are symmetrically arranged are installed on the inner wall of the box body 1, a height screw 7 is sleeved in the first bearings, second bearings which are symmetrically arranged are installed on the side wall of the shell 8, a horizontal screw 11 is sleeved in the second bearings, a through hole is formed in one side of the shell 8 and is in sliding connection with the press block 17, a first threaded hole is formed in the movable block 16, the horizontal screw 11 is in threaded connection with the first threaded hole, a second threaded hole is formed in the cover plate 6, the height screw 7 is in threaded connection with the second threaded hole, a guide pillar hole, the travel switch 4 is electrically connected with the micro blower 12.

In this embodiment, when the user rotates the height screw 7, the cover plate 6 is driven to move downwards, because the housing 8 and the cover plate 6 are fixedly connected, the housing 8 also moves downwards, the telescopic rod 2 is cooperatively shortened, because the rack 9 is fixedly connected with the box body 1 through the fixing block 15, the rack 9 is not moved, during the downward movement of the housing 8, only the gear 10 rotates, the gear 10 drives the horizontal screw 11 to rotate, the rotation of the horizontal screw 11 causes the moving block 16 to move towards the middle, the moving block 16 drives the pressing block 17 to move towards the middle, and simultaneously, the height slowly descends, when the pressing block 17 presses the anti-skid edge of the needle-type filter, the mechanism stops moving, so that the needle-type filter with two convex ends can also be stably placed, when the height screw 7 is reversely rotated, the cover plate 6 is driven to move upwards, because the housing 8 and the cover plate 6 are fixedly connected, the, the telescopic link 2 cooperates the extension, because rack 9 passes through fixed block 15 and box 1 fixed connection, therefore rack 9 is motionless, in the process that casing 8 shifts up, can only gear 10 rotates, gear 10 drives horizontal screw 11 and rotates, horizontal screw 11's rotation makes movable block 16 move to the outside, movable block 16 drives briquetting 17 and moves to the outside, simultaneously along with high slowly rising, briquetting 17 loosens the filter, when movable block 16 touched 8 edges of casing, then the mechanism stops, the user can take out the needle type filter.

Further, when the user rotates high screw 7, drive apron 6 downstream, make trigger bar 5 downstream, when briquetting 17 compresses tightly the needle type filter, trigger bar 5 touches travel switch 4, open micro-blower 12, dry clean air blows to the filter tip of filter through coupling 13 and return bend 14, and make inside air flow, make under the condition that does not use the needle type filter, also can keep clean and dry, convenient next use, when user's high screw 7 of reverse rotation, briquetting 17 loosens the needle type filter, make trigger bar 5 leave travel switch 4 simultaneously, then micro-blower 12 closes, the user takes out the filter use can.

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 fixing device for the needle-shaped filter comprises a box body (1), and is characterized in that the box body (1) is of a cavity structure, a travel switch (4) is fixedly mounted at the top of the box body (1) through a screw, a micro air blower (12) is fixedly mounted on the bottom wall of the box body (1) through a bolt, the bottom wall of the box body (1) is fixedly connected with a telescopic rod (2) and a guide pillar (3) through a countersunk screw in sequence, the side wall of the box body (1) is fixedly connected with a fixing block (15) through an inner hexagon screw, and a height screw (7) is rotatably arranged in the box body (1);

a cover plate (6) is sleeved outside the guide pillar (3), the cover plate (6) is sleeved outside the height screw (7), a trigger rod (5) is welded at the top of the cover plate (6), the bottom of the cover plate (6) is fixedly connected with a shell (8) through a bolt, the shell (8) is welded with the telescopic rod (2), a horizontal screw (11) is rotatably arranged inside the shell (8), one end of the horizontal screw (11) is connected with a gear (10) through a key, a moving block (16) is sleeved outside the horizontal screw (11), and a pressing block (17) is welded on one side of the moving block (16);

one side of the fixed block (15) is fixedly connected with a rack (9) through a sunk screw, and the rack (9) is meshed with the gear (10);

one side of the micro air blower (12) is fixedly connected with a pipe joint (13) through a screw, and one side of the pipe joint is fixedly connected with an elbow pipe (14) through a screw.

2. A needle filter fixture as claimed in claim 1 wherein one side of the box (1) is sequentially provided with a rectangular through hole and a square through hole, the cover plate (6) and the pressing block (17) pass through the rectangular through hole and the square through hole, respectively, the top of the box (1) is provided with a vent hole, the bent tube (14) passes through the vent hole, the inner wall of the box (1) is provided with symmetrically arranged first bearings, and the height screw (7) is sleeved inside the first bearings.

3. A needle filter fixture as claimed in claim 1 wherein the housing (8) is provided with a second bearing on the side wall, the second bearing being symmetrically arranged, the horizontal screw (11) is fitted around the second bearing, and a through hole is provided on one side of the housing (8) and slidably connected to the press block (17).

4. A needle filter fixture as claimed in claim 1 wherein the movable block (16) has a first threaded bore formed therein, the horizontal screw (11) being threadedly engaged with the first threaded bore.

5. A needle filter fixture as claimed in claim 1 wherein the cover plate (6) has a second threaded bore formed therein, the height screw (7) is threadedly engaged with the second threaded bore, and the cover plate (6) has a guide post bore formed therein, the guide post bore being slidably engaged with the guide post (3).

6. A needle filter fixture as claimed in claim 1 wherein the travel switch (4) is electrically connected to the micro blower (12).

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