Liftable separating funnel stand capable of adjusting aperture in pull rod manner

Abstract

The utility model relates to a pull rod type aperture-adjustable liftable separating funnel stand which comprises a support, a supporting rod and a base, the support is arranged on the base through the supporting rod, and the support can vertically move on the supporting rod; the bracket is provided with an aperture control mechanism, a notch, a funnel placing hole, a magnetic suction hole, an insertion hole and a limiting groove; the hole diameter control mechanism comprises a limiting handle, a magnetic attraction buckle, a hole diameter adjusting rod, a pin through hole, a pin and a V-shaped spring piece. The inner side of the limiting handle is provided with a magnetic attraction buckle with the magnetism opposite to that of the magnetic attraction hole. The pin through holes which are symmetrical up and down are formed in the hole diameter adjusting rod in the direction away from the limiting handle. The two pins are fixedly connected to the V-shaped spring piece respectively and penetrate through the pin through holes respectively, and the V-shaped spring piece is fixed in the aperture adjusting rod. The device is simple in structure and convenient to disassemble, the hole diameter of the containing hole and the height of the support can be adjusted, and separating funnels of different specifications can be conveniently placed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laboratory apparatus, in particular to a pull rod type adjustable aperture liftable separatory funnel stand. BACKGROUND

[0002] The separatory funnel is a commonly used glass apparatus in laboratories, which is often used for separating liquid substances and is often used for extraction operations in the field of organic analysis. Different specifications of separatory funnels are used for different liquid volumes. During experimental operations, the separatory funnel is usually placed on a separatory funnel stand.

[0003] The existing separatory funnel stand is usually composed of a separatory funnel support plate, a base and a side support plate. The separatory funnel support plate has a placement hole for placing the separatory funnel. The aperture of the placement hole is fixed and only suitable for a single specification of separatory funnel.

[0004] In view of the related technology of the existing separatory funnel stand, the inventor believes that the aperture of the separatory funnel placement hole is fixed, which cannot be used with different specifications of separatory funnels and cannot meet the need of using different specifications of separatory funnels on the same separatory funnel stand. CONTENT OF THE INVENTION

[0005] In view of the problem that the aperture of the existing separatory funnel stand cannot be adjusted and multiple specifications of separatory funnels cannot be used simultaneously, the present application discloses a pull rod type adjustable aperture liftable separatory funnel stand.

[0006] A pull rod type adjustable aperture liftable separatory funnel stand, comprising a support, a support rod and a base, wherein the support is arranged on the base through the support rod and can move vertically on the support rod.

[0007] The support is provided with an aperture control mechanism, a notch, a funnel placement hole, a magnetic attraction hole, a jack and a limiting groove.

[0008] The aperture control mechanism comprises a limiting handle, a magnetic attraction buckle, an aperture adjusting rod, a pin through hole, a pin and a V-shaped spring piece. The inner side of the limiting handle is provided with a magnetic attraction buckle which is magnetically opposite to the magnetic attraction hole. The aperture adjusting rod is provided with an upper and lower symmetric pin through hole in the direction away from the limiting handle. The two pins are respectively fixedly connected to the V-shaped spring piece and respectively pass through the pin through hole. The V-shaped spring piece is fixed in the aperture adjusting rod.

[0009] Further, the aperture control mechanism comprises a cross rod.

[0010] The bottom end of the V-shaped spring piece is tubular and fixedly sleeved on the cross rod. The cross rod is fixed in the aperture adjusting rod.

[0011] Further, the funnel placement hole is provided with three insertion holes, and the three insertion holes are respectively located at the left side, the right side and the opposite side of the notch of the funnel placement hole.

[0012] Further, each of the insertion holes is provided with a magnetic hole on the left and right sides.

[0013] Further, the inner wall of the bracket around the insertion hole is provided with a plurality of limiting grooves.

[0014] Further, the lower surface of the bracket is respectively provided with a connecting side plate at the left and right ends, and a side plate bolt hole is respectively arranged at the front and rear ends of the connecting side plate at the left and right ends.

[0015] Further, the bracket further comprises a bracket through hole, and the supporting rod extends into the bracket through hole.

[0016] Further, the supporting rod is provided with a limiting hole of different height, and the limiting hole is connected with the side plate bolt hole through a bolt one and a nut one.

[0017] Further, the base comprises a base through hole, a fixed clamping plate, a fixed clamping plate bolt hole and a stabilizing leg; the lower surface of the base is respectively provided with a fixed clamping plate at the left and right ends, and the fixed clamping plate bolt hole is arranged at the center of the fixed clamping plate at the left and right ends; the lower surface of the base is provided with a stabilizing leg at the four corners.

[0018] The supporting rod extends into the base through hole, and the limiting hole is connected with the fixed clamping plate bolt hole through a bolt two and a nut two.

[0019] Further, the number of the funnel placement hole is two.

[0020] Compared with the prior art, the present application provides a pull rod type adjustable aperture lifting and descending funnel rack, which has the following beneficial effects:

[0021] 1. The aperture of the funnel placement hole is adjustable, and the height of the separating funnel is adjustable, so that the separating funnel rack can be suitable for various specifications of separating funnels, and the height of the bracket can be adjusted according to the length of the guide pipe of different separating funnels.

[0022] 2. The aperture adjusting mechanism of the plurality of funnel placement holes is a non-linkage mechanism, which can be independently adjusted to different positions, the actual accommodating aperture of the funnel placement hole is changed to place separating funnels of different specifications, and the same separating funnel rack can be used with separating funnels of different specifications.

[0023] 3. The bracket, the supporting rod and the base are detachably connected, which is convenient for installation, combination, moving and carrying, and reduces the occupation of laboratory space. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0025] The structures, proportions, sizes, etc. shown in the drawings of the present specification are only used to cooperate with the content disclosed in the present specification, so that those skilled in the art can understand and read, and are not used to limit the conditions that can be implemented by the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0026] Figure 1 Structure diagram of the present application;

[0027] Figure 2 Structure diagram of the present application without removable parts;

[0028] Figure 3 Aperture control mechanism diagram of the present application;

[0029] Figure 4 Internal connection diagram of the aperture control mechanism of the present application;

[0030] Figure 5 Structure diagram of the present application without removable parts;

[0031] Figure 6 Front view of the present application.

[0032] Marked in the figure: 1-stand, 11-aperture control mechanism, 111-limit handle, 112-magnetic buckle, 113-aperture adjusting rod, 114-pin hole, 115-pin, 116-V-shaped spring piece, 117-crossbar, 12-notch, 13-hopper placement hole, 14-stand through hole, 15-magnetic hole, 16-socket, 17-limit groove, 18-side plate bolt hole, 19-connection side plate, 2-supporting rod, 21-limiting hole, 22-bolt one, 23-nut one, 24-bolt two, 25-nut two, 3-base, 31-base through hole, 32-fixing clamp plate, 33-fixing clamp plate bolt hole, 34-stable support foot. DETAILED DESCRIPTION

[0033] In order to make those skilled in the art better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application.

[0034] In the description of the present application, it should be understood that the terms such as indicated orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices, elements, modules, systems, platforms or devices referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The following description of the present application is only understood as a description of individual embodiments of the technical solutions of the present application, and other embodiments are not embodied in the following description. However, the technical solutions of the present application are not limited to the specific embodiments described below, and the protection scope of the present application is not limited to only the specific embodiments described below. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor should fall within the scope of protection of the present application.

[0035] It should be noted that if the terms "first", "second" and the like appear in the specification and claims of the present application and the above-mentioned drawings, the description is only for distinguishing similar objects, and does not have to be used to describe a particular order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "comprise" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a system, product or device comprising a series of units or modules or components does not have to be limited to only those units or modules or components clearly listed, but can include other components not clearly listed or inherent to these systems, products or devices.

[0036] The technical solutions of the present application will be further described below in conjunction with the drawings and through specific embodiments.

[0037] In some embodiments, as shown in Figure 1 The present application provides a pull rod type adjustable aperture liftable separation funnel rack, as shown in Figures 1-2 The bracket 1, the base 3 and the four support rods 2 are connected by bolts, the bracket 1 can move vertically on the support rod 2 to adjust the height. The bracket 1 includes an aperture control mechanism 11, a notch 12, a funnel placing hole 13, a bracket through hole 14, a magnetic hole 15, a jack 16, a limiting groove 17, a side plate bolt hole 18, and a connecting side plate 19.

[0038] Four support frame through holes 14 are symmetrically arranged on both sides of the support frame 1 and pass through the support frame 1. Two connecting side plates 19 are arranged on the long side of the support frame 1 near the center of the support frame along the support frame through hole 14 on the lower surface of the support frame 1. The width of the connecting side plate 19 is consistent with the width of the support frame 1. A side plate bolt hole 18 is arranged on the front and rear sections of the two connecting side plates 19. Two funnel placing holes 13 are symmetrically arranged on both sides of the support frame 1. The notch 12 is arranged on the edge of the long side of the support frame 1 and communicates with the funnel placing hole 13. Three insertion holes 16 are arranged on the inner wall of the funnel placing hole 13, which are located on the left side, the right side and the opposite side of the notch 12. A magnetic attraction hole 15 is arranged on both sides of each insertion hole 16. A plurality of limiting grooves 17 are arranged around the insertion hole 16 in the interior of the support frame 1.

[0039] The aperture control mechanism has a total of six groups, and each funnel placing hole 13 has three groups. The aperture control mechanism 11 is magnetically connected with the support frame 1 through the insertion hole 16.

[0040] The support rod 2 is provided with limiting holes 21 of different heights and is provided with four first bolts 22 and four first nuts 23 required for connecting the support frame 1, four second bolts 24 and four second nuts 25 required for connecting the base 3.

[0041] In some embodiments, referring to Figures 3-4 , the aperture control mechanism 11 includes a limiting handle 111, a magnetic attraction buckle 112, an aperture adjusting rod 113, a pin hole 114, a pin 115, a V-shaped spring sheet 116, and a crossbar 117. The inner side of the limiting handle 111 is provided with a magnetic attraction buckle 112 which is magnetically opposite to the magnetic attraction hole 15.

[0042] On the side away from the limiting handle 111, the aperture adjusting rod 113 is symmetrically provided with a pin hole 114 upward and downward. Two pins 115 are respectively fixedly connected to the outer side of the top end of the V-shaped spring sheet 116 and can pass through the pin hole 114. The bottom end of the V-shaped spring sheet 116 is tubular and is fixedly sleeved in the middle position of the crossbar 117. The crossbar 117 is fixed in the interior of the aperture adjusting rod 113.

[0043] In some embodiments, referring to Figure 5 , the base 3 includes a base through hole 31, a fixed clamping plate 32, a fixed clamping plate bolt hole 33, and a supporting leg 34. Four base through holes 31 are symmetrically arranged on both sides of the base 3 and pass through the base 3.

[0044] A group of fixed clamping plates 33 is arranged along the long edge of the base through hole 31 below the plane of the base 3. The length of the fixed clamping plate 33 is consistent with the length of the long edge of the base through hole 31. A fixed clamping plate bolt hole 33 is arranged in the center of the fixed clamping plate 32. Stable supporting legs 34 are arranged on the four corners of the lower surface of the base 3.

[0045] In some embodiments, referring to Figure 6The support rod 2 is connected with the bracket 1 and the base 3 by screwing, the support rod 2 passes through the bracket through hole 14 of the bracket 1, the bolt 1 22 passes through the side plate bolt hole 18 and the limiting hole 21 of the support rod, and the connection between the support rod 2 and the bracket 1 is completed after the installation of the nut 1 23. Similarly, the several support rods 2 pass through the base through hole 31, are roughly limited by the fixed clamping plate 32, the bolt 2 24 passes through the fixed clamping plate bolt hole 33 and the limiting hole 21 of the bottommost support rod, and the connection between the support rod 2 and the base 3 is completed after the installation of the nut 2 25.

[0046] The working principle of the embodiment will be described below:

[0047] The bracket 1 can vertically move on the support rod 2, the support rod limiting holes 21 of different heights are used to connect the support rod 2 and the bracket 1, and the vertical height of the separating funnel bracket can be lifted. The specific operation is as follows: the bracket 1 can move up and down on the support rod 2, after the used support rod limiting hole is determined, the bolt is used for limiting, the height can be adjusted in the vertical direction, and the use height of the separating funnel bracket can be adjusted.

[0048] By changing the position of the aperture adjusting mechanism 11 on the bracket, the actual accommodating aperture of the funnel placing hole 13 can be changed, the function of placing separating funnels of different specifications can be realized, and the specific operation is as follows: in the initial position, the column pin 115 in the aperture adjusting rod 113 is clamped into the limiting groove 17, is in the self-locking state, and the limiting handle 111 is magnetically connected with the magnetic suction hole 15 of the bracket 1 by relying on the magnetic suction buckle 112 on the inner side. The column pin 115 is subjected to the resistance of the inner wall of the insertion hole 16, the V-shaped spring piece 116 is compressed, the column pin 115 is received in the aperture adjusting rod 113, the aperture adjusting rod 113 can move outward, is moved to the limiting groove 17 position, the resistance applied to the column pin 115 disappears, the V-shaped spring piece is no longer extruded, the column pin 115 passes through the column pin through hole 114 again, is clamped into the limiting groove 17 again, the self-locking is completed, the aperture adjusting mechanism 11 is moved from the initial position to the next position, after the same action of the other two groups of aperture adjusting mechanisms 11 in the same funnel placing hole 13 is completed, the actual accommodating aperture of the funnel placing hole 13 changes, and the corresponding specification separating funnel can be placed.

[0049] The aperture adjusting mechanism 11 can work independently, the aperture adjusting mechanism 11 in the left and right two funnel placing holes 13 is adjusted to different positions respectively, and the same separating funnel bracket can place separating funnels of different specifications at the same time.

[0050] The technical features of the above embodiments can be combined arbitrarily, in order to make the description simple, all possible combinations of the technical features in the above embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that the combinations are within the scope of the present application.

[0051] The above-described embodiments only express several implementation manners of the present application, and are only used to illustrate the technical solutions of the present application, but not limit the same; although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and the modification or replacement does not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solutions of the embodiments of the present application; and those skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. A telescopic adjustable aperture elevatable separatory funnel stand comprising a support (1), characterized in that, It also includes a support rod (2) and a base (3), the bracket (1) is arranged on the base (3) through the support rod (2), and the bracket (1) can move vertically on the support rod (2); The bracket (1) is provided with an aperture control mechanism (11), a notch (12), a funnel placing hole (13), a magnetic suction hole (15), a jack (16) and a limiting groove (17); The aperture control mechanism (11) includes a limiting handle (111), a magnetic suction buckle (112), an aperture adjusting rod (113), a pin through hole (114), a pin (115) and a V-shaped spring piece (116); The inner side of the limiting handle (111) is provided with a magnetic suction buckle (112) which is magnetically opposite to the magnetic suction hole (15); The aperture adjusting rod (113) is provided with the pin through hole (114) which is symmetrical up and down away from the limiting handle (111); The two pins (115) are respectively fixedly connected on the V-shaped spring piece (116) and respectively pass through the pin through hole (114), and the V-shaped spring piece (116) is fixed in the aperture adjusting rod (113).

2. The lifting and adjustable aperture control funnel frame of claim 1, wherein: The aperture control mechanism (11) includes a crossbar (117); The V-shaped spring piece (116) is tubular at the bottom and is fixedly sleeved on the crossbar (117), and the crossbar (117) is fixed in the aperture adjusting rod (113).

3. The lifting and adjustable aperture control funnel frame of claim 1, wherein: The inner wall of the funnel placing hole (13) is provided with three jack holes (16), and the three jack holes (16) are respectively located at the left side of the funnel placing hole (13), the right side of the funnel placing hole (13) and the opposite side of the notch (12).

4. The pull rod type adjustable aperture elevating split funnel stand according to claim 3, characterized in that: Each of the jack holes (16) is provided with a magnetic suction hole (15) on the left and right sides.

5. The lifting and adjustable aperture control funnel frame of claim 1, wherein: A plurality of limiting grooves (17) are formed in the inner wall of the bracket (1) around the jack hole (16).

6. The lifting and adjustable aperture control funnel frame of claim 1, wherein: The lower surface of the bracket (1) is provided with a connecting side plate (19) at the left and right ends respectively, and a side plate bolt hole (18) is arranged at the front end and the rear end of the connecting side plate (19) at the left and right ends respectively.

7. The lifting and adjustable aperture control funnel frame of claim 6, wherein: The bracket (1) further includes a bracket through hole (14), and the support rod (2) extends into the bracket through hole (14).

8. The lifting and adjustable aperture control funnel frame of claim 7, wherein: The support rod (2) is provided with limiting holes (21) of different heights, and the limiting holes (21) are connected with the side plate bolt holes (18) through bolts (22) and nuts (23).

9. The adjustable-aperture raisable separatory funnel stand of claim 8, wherein: the base (3) comprises a base through hole (31), a fixed clamping plate (32), a fixed clamping plate bolt hole (33) and a stabilizing leg (34); the fixed clamping plate (32) is arranged at the left and right ends of the lower surface of the base (3) respectively, and the fixed clamping plate bolt hole (33) is arranged at the center of the fixed clamping plate (32) at the left and right ends; the stabilizing leg (34) is arranged at the four corners of the lower surface of the base (3); the supporting rod (2) extends into the base through hole (31), and the limiting hole (21) is connected to the fixed clamping plate bolt hole (33) through the bolt two (24) and the nut two (25).

10. The adjustable-aperture raisable separatory funnel stand of claim 1, wherein: the number of funnel placing holes (13) is 2.

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