CN220328688U

CN220328688U - Separating funnel cover

Info

Publication number: CN220328688U
Application number: CN202321714119.6U
Authority: CN
Inventors: 蔡鹏娟; 伍琛; 梁丽霞
Original assignee: Centre Testing International Group Co ltd
Current assignee: Centre Testing International Group Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2024-01-12
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a separating funnel cover, which relates to the field of separating funnels and comprises a separating funnel, wherein one end of the separating funnel is fixedly connected with a cover plate, one side of the cover plate is fixedly connected with a chock, the middles of the cover plate and the chock are respectively provided with a notch, two sides of one end of each notch are fixedly connected with a fixed rod, one end of each fixed rod is fixedly connected with a fixed ring, the inside of each fixed ring is movably connected with a rotating rod, one end of each rotating rod is fixedly connected with a rotating disc, the other end of each rotating rod is fixedly connected with a rotating handle, the other end of each notch is provided with a round groove, and two sides of the inside of each rotating disc are respectively provided with a through hole. According to the utility model, the rotating rod can drive the rotating disc to rotate, so that the through hole on the rotating disc is positioned in the notch, and the gas in the separating funnel is conveniently discharged from the notch, so that the separating funnel is convenient to use, the position of the rotating disc can be fixed through the cooperation of the top bead and the clamping groove, and the situation that the through hole is closed due to random rotation of the rotating disc is avoided.

Description

Separating funnel cover

Technical Field

The utility model relates to the field of chemical experimental instruments, in particular to a separating funnel cover.

Background

The separating funnel is a glass instrument for chemical experiments, and is mainly used for separating and transferring liquids with different densities and immiscibility. The main structure of the funnel consists of a funnel body, a discharge spout and a plug. The funnel body is generally conical, the upper opening is large, the lower opening is small, and the plug can be added on the discharge spout for sealing or inserted into the funnel opening for use in a semi-closed state.

The purpose of the separating funnel is to separate two or more different liquids without mixing, with the lighter liquid floating above and the heavier liquid sinking below. The mixed liquid is poured into a funnel, the funnel is shaken to enable the liquid to be fully contacted, the mixed liquid is separated into two layers under the action of dead weight and specific gravity difference, and then the heavy liquid is discharged from the lower surface by opening a discharge spout.

When liquid-liquid extraction is performed using a separating funnel, after two different phases of liquid are poured into the funnel, bubbles may occur in the funnel due to interfacial tension of the two liquids, etc., and these bubbles may cause incomplete separation of the two liquids or error, affecting experimental results, and therefore, when using a separating funnel, it is often necessary to exclude bubbles in the funnel.

When the existing separating funnel needs to be exhausted, the separating funnel cover needs to be opened manually to exhaust the separating funnel, and the separating funnel needs to be covered after the exhaust is completed, so that the method is troublesome in opening or closing of the cover, and the operation efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a separating funnel cover, which solves the technical problem that the separating funnel cover is required to be opened or closed manually when the separating funnel is used for exhausting, so that the operation efficiency is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the separating funnel cover is used for sealing the top opening of the separating funnel and comprises a plug block, wherein the plug block is used for plugging in a neck of the top opening of the separating funnel, a through groove is formed through the plug block, a round groove communicated with the through groove is formed in the plug block, a rotating rod is arranged in the through groove, one end of the rotating rod is fixedly connected with a rotating disc, the rotating disc is positioned in the round groove, a through hole is formed through the rotating disc, and the rotating rod can drive the rotating disc to rotate in the round groove so that the through hole is communicated with or separated from the through groove;

empty slots are formed in two opposite sides of the rotary table, compression springs are fixedly arranged in the empty slots, top beads are fixedly connected to one ends of the compression springs, clamping slots are formed in one sides, close to the rotary table, of the round slots, and the top beads are matched with the clamping slots to limit the positions of the rotary table.

Optionally, the number of the through holes is two, and the two through holes are arranged on two opposite radial sides of the turntable.

Optionally, the number of the clamping grooves is four, and the four clamping grooves are arranged on one side, close to the turntable, of the round groove in a ring-shaped array mode.

Optionally, the cross section of the through groove is in a waist hole shape, two opposite clamping grooves in the four clamping grooves are located on an extension line of the through groove in the long-diameter direction, and the other two opposite clamping grooves in the four clamping grooves are located on an extension line of the through groove in the short-diameter direction.

Optionally, a fixing rod is fixedly connected in the through groove along the radial direction, one end of the fixing rod is fixedly connected with a fixing ring, and the rotating rod rotatably penetrates through the fixing ring.

Optionally, the separating funnel cover further includes a cover plate, the cover plate is covered on the top opening of the separating funnel, the chock is fixedly connected to one side of the cover plate, which is close to the top opening, the through groove penetrates through the cover plate and the chock, and the force application end of the rotating rod is exposed at the top of the cover plate through the through groove.

Optionally, the outside fixedly connected with sealing washer of chock, the sealing washer with separating funnel open-top's mouth neck inner wall laminating is connected.

Optionally, the force application end of the rotating rod is fixedly connected with a rotating handle.

The beneficial effect of separating funnel lid that this application provided lies in: compared with the prior art, the separating funnel cover can drive the rotary table to rotate through the rotary rod, so that the through holes on the rotary table are communicated with the through grooves, gas in the separating funnel is conveniently discharged through the through grooves, the positions of the rotary table can be limited through elastic fit of the top beads and the clamping grooves, and the situation that the through holes are closed due to random rotation of the rotary table is avoided, and the exhaust of the separating funnel is influenced; after the exhaust operation is finished, the rotary table is driven to rotate by the rotary rod, so that the through holes on the rotary table are separated from the through grooves, and the separating funnel is sealed. Can realize separating funnel's exhaust under the condition that need not open whole lid through separating funnel lid of this application, convenient operation is swift, can effectively improve experimental operation efficiency.

Drawings

FIG. 1 is a schematic view of a front view of a separating funnel cover according to the present utility model;

FIG. 2 is a schematic view of the cross-sectional structure of FIG. 1 along the vertical direction;

FIG. 3 is a schematic top cross-sectional view of a chock structure provided by the present utility model;

fig. 4 is a schematic top view of a cover structure according to the present utility model.

In the figure: 1. a separating funnel; 2. a cover plate; 3. a chock; 4. a through groove; 5. a fixed rod; 6. a fixing ring; 7. a rotating rod; 8. a turntable; 9. a rotating handle; 10. a circular groove; 11. a through hole; 12. a hollow groove; 13. a compression spring; 14. top bead; 15. a clamping groove; 16. and (3) sealing rings.

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.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 to 4, the separating funnel cover provided in the present application is used for sealing the top opening of the separating funnel 1, and in combination with fig. 2, the separating funnel cover includes a plug 3, the plug 3 is used for plugging in the neck of the top opening of the separating funnel 1, a through groove 4 is formed through the plug 3, a round groove 10 communicated with the through groove 4 is formed in the plug 3, a rotating rod 7 is arranged in the through groove 4, one end of the rotating rod 7 is fixedly connected with a rotating disc 8, the rotating disc 8 is located in the round groove 10, in combination with fig. 2 and 3, a through hole 11 is formed through the rotating disc 8, and the rotating rod 7 can drive the rotating disc 8 to rotate in the round groove 10, so that the through hole 11 is communicated with or separated from the through groove 4; when the rotating rod 7 drives the rotating disc 8 to rotate so that the through hole 11 on the rotating disc 8 is communicated with the through groove 4, the rotating disc 8 is at an exhaust position, and gas in the separating funnel 1 can be exhausted through the through groove 4; when the rotating rod 7 drives the rotating disc 8 to rotate so that the through hole 11 on the rotating disc 8 is separated from the through groove 4, the rotating disc 8 is at a sealing position, and the separating funnel cover seals the separating funnel 1, so that the normal use of the separating funnel 1 is ensured.

In combination with fig. 3, in order to enable the turntable 8 to stay in the exhaust position or the sealing position relatively stably, the opposite sides of the turntable 8 are provided with empty slots 12, compression springs 13 are fixedly arranged in the empty slots 12, one ends of the compression springs 13 are fixedly connected with top beads 14, clamping grooves 15 are formed in one sides, close to the turntable 8, of the round slots 10, the top beads 14 are matched with the clamping grooves 15 to limit the positions of the turntable 8, so that the turntable 8 is prevented from rotating randomly to close the through holes 11, and normal exhaust of the separating funnel 1 is affected.

According to the separating funnel cover, the rotating disc 8 can be driven to rotate through the rotating rod 7, the through holes 11 in the rotating disc 8 are communicated with the through grooves 4, so that gas in the separating funnel 1 can be conveniently discharged through the through grooves 4, the position of the rotating disc 8 can be limited through elastic fit of the top beads 14 and the clamping grooves 15, and the situation that the through holes 11 are closed due to random rotation of the rotating disc 8 is avoided, and the exhaust of the separating funnel 1 is influenced; after the exhaust operation is finished, the rotary table 8 is driven to rotate by the rotary rod 7, so that the through holes 11 on the rotary table 8 are separated from the through grooves 4, and the separating funnel 1 is sealed. Can realize separating funnel 1's exhaust under the condition that need not open whole lid through separating funnel lid of this application, convenient operation is swift, can effectively improve experimental operation efficiency.

In another embodiment of the present application, with reference to fig. 3, the number of through holes 11 is two, and two through holes 11 are formed on two diametrically opposite sides of the turntable 8. Through two through holes 11, realize the quick exhaust to separating funnel 1, of course, in other embodiments, the quantity of through holes 11 also can be a plurality of, needs the arrangement of a plurality of through holes 11 of rational arrangement this moment, ensures that carousel 8 is in the sealed position, and all through holes 11 can all cut off with logical groove 4.

In another embodiment of the present application, referring to fig. 3 and 4, the number of the clamping grooves 15 is four, and the four clamping grooves 15 are arranged in an annular array on one side of the circular groove 10 near the turntable 8. By providing four clamping grooves 15, stable limiting of the turntable 8 can be achieved.

In another embodiment of the present application, referring to fig. 4, the cross section of the through slot 4 is in a shape of a waist hole, two opposite clamping slots 15 of the four clamping slots 15 are located on an extension line of the through slot 4 in the long diameter direction, and another two opposite clamping slots 15 of the four clamping slots 15 are located on an extension line of the through slot 4 in the short diameter direction. Through the position cooperation of the through groove 4 with the cross section in the shape of a waist hole and the four clamping grooves 15, the through holes 11 on the turntable 8 are rapidly communicated with or separated from the through groove 4.

In another embodiment of the present application, referring to fig. 2 and fig. 4, a fixing rod 5 is fixedly connected in the through groove 4 along the radial direction, one end of the fixing rod 5 is fixedly connected with a fixing ring 6, and the rotating rod 7 rotatably penetrates through the fixing ring 6. The fixed ring 6 can limit the rotating rod 7, so that the rotating rod 7 is prevented from shaking in the using process to influence the use of the rotating rod 7. The fixing rod 5 is fixedly connected in the through groove 4 along the radial direction, one end of the fixing rod 5 is fixedly connected with the fixing ring 6, specifically, the fixing ring 6 is positioned at the center of the through groove 4, one end of the fixing rod 5 is connected with the inner wall of the through groove 4, and the other end is connected with the outer side of the annular wall of the fixing ring 6. In other embodiments, the number of the fixing rods 5 may be plural, and the plural fixing rods 5 are uniformly arranged around the outer side of the annular wall of the fixing ring 6 to form a strong supporting and fixing effect on the fixing ring 6.

In another embodiment of the present application, referring to fig. 1, fig. 2 and fig. 4, the separating funnel cover further includes a cover plate 2, the cover plate 2 is covered on the top opening of the separating funnel 1, the plug 3 is fixedly connected to one side of the cover plate 2 close to the top opening, the through groove 4 penetrates through the cover plate 2 and the plug 3, and the force application end of the rotating rod 7 is exposed at the top of the cover plate 2 through the through groove 4. Through setting up apron 2, can be convenient for plug 3 extract from separating funnel 1 open-top's mouth neck in, carry out spacingly to the position that plug 3 plugged into separating funnel 1 open-top mouth neck simultaneously.

In another embodiment of the present application, referring to fig. 2, a sealing ring 16 is fixedly connected to the outer side of the plug 3, and the sealing ring 16 is attached to the inner wall of the neck of the top opening of the separating funnel 1. The sealing ring 16 can increase the friction between the plug 3 and the separating funnel 1, prevent the separating funnel cover from falling off from the separating funnel 1, and ensure the tightness of the separating funnel 1.

In another embodiment of the present application, in conjunction with fig. 2, the force application end of the rotating rod 7 is fixedly connected with a rotating handle 9. The force application end of the rotating rod 7 can be conveniently applied through the rotating handle 9, and further the rotating rod 7 can be conveniently rotated.

The working principle of the utility model is as follows: when the separating funnel 1 needs to be deflated, the rotary handle 9 is stirred, the rotary handle 9 drives the rotary table 8 to rotate through the rotary rod 7, the through hole 11 on the rotary table 8 is communicated with the through groove 4, and therefore gas in the separating funnel 1 is discharged from the through groove 4 through the through hole 11, and the separating funnel 1 is used conveniently.

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 to the foregoing embodiments, but modifications, equivalents, improvements and etc. of the technical solutions described in the foregoing embodiments may be made by those skilled in the art, and all modifications, equivalents, improvements and modifications are included in the scope of the present utility model within the spirit and principle of the present utility model.

Claims

1. A separating funnel cover for closing the top opening of a separating funnel (1), characterized in that: the separating funnel cover comprises a plug block (3), the plug block (3) is used for plugging in a neck of an opening at the top of the separating funnel (1), a through groove (4) is formed through the plug block (3), a round groove (10) communicated with the through groove (4) is formed in the plug block (3), a rotating rod (7) is arranged in the through groove (4), one end of the rotating rod (7) is fixedly connected with a rotary disc (8), the rotary disc (8) is located in the round groove (10), a through hole (11) is formed through the rotary disc (8), and the rotating rod (7) can drive the rotary disc (8) to rotate in the round groove (10) so that the through hole (11) is communicated with or separated from the through groove (4);

empty slots (12) are formed in two opposite sides of the rotary table (8), compression springs (13) are fixedly arranged in the empty slots (12), top beads (14) are fixedly connected to one ends of the compression springs (13), clamping slots (15) are formed in one sides, close to the rotary table (8), of the round slots (10), and the top beads (14) are matched with the clamping slots (15) to limit the positions of the rotary table (8).

2. A separating funnel cover according to claim 1, wherein: the number of the through holes (11) is two, and the two through holes (11) are arranged on two opposite radial sides of the turntable (8).

3. A separating funnel cover according to claim 1, wherein: the number of the clamping grooves (15) is four, and the four clamping grooves (15) are distributed on one side, close to the turntable (8), of the round groove (10) in a ring-shaped array mode.

4. A separating funnel cap according to claim 3, wherein: the cross section of the through groove (4) is in a waist hole shape, two opposite clamping grooves (15) in the four clamping grooves (15) are positioned on an extension line of the through groove (4) in the long-diameter direction, and the other two opposite clamping grooves (15) in the four clamping grooves (15) are positioned on an extension line of the through groove (4) in the short-diameter direction.

5. A separating funnel cover according to claim 1, wherein: the fixing device is characterized in that a fixing rod (5) is fixedly connected in the through groove (4) along the radial direction, one end of the fixing rod (5) is fixedly connected with a fixing ring (6), and the rotating rod (7) rotatably penetrates through the fixing ring (6).

6. A separating funnel cover according to claim 1, wherein: the separating funnel cover further comprises a cover plate (2), the cover plate (2) is arranged on the top opening of the separating funnel (1) in a covering mode, the plug block (3) is fixedly connected to one side, close to the top opening, of the cover plate (2), the through groove (4) penetrates through the cover plate (2) and the plug block (3), and the force application end of the rotating rod (7) is exposed out of the top of the cover plate (2) through the through groove (4).

7. A separating funnel cover according to any one of claims 1 to 6, wherein: the outside fixedly connected with sealing washer (16) of chock (3), sealing washer (16) with separating funnel (1) open-top mouth neck inner wall laminating is connected.

8. The separating funnel cover according to claim 6, wherein: the force application end of the rotating rod (7) is fixedly connected with a rotating handle (9).