Device for enabling filtrate of centrifugal machine to flow back smoothly

Abstract

The utility model discloses a device for enabling filtrate of a centrifugal machine to flow back smoothly, and relates to the technical field of centrifugal machine equipment. The device for smooth backflow of the filtrate in the centrifugal machine comprises a flow guide assembly used for enabling the centrifugate in the centrifugal machine to be communicated with the outside; the ventilation assembly is connected to the top end of the flow guide assembly in an inserted mode, and the ventilation assembly is used for filtering air flowing through the flow guide assembly; the non-return assembly is inserted into the middle of an inner cavity of the flow guide assembly, and the non-return assembly is used for preventing centrifugal liquid from rushing out of the flow guide assembly; according to the centrifugal machine, it can be guaranteed that centrifugal liquid on the centrifugal machine is communicated with the external atmosphere, so that the centrifugal liquid can flow back smoothly, the centrifugal machine is prevented from jumping and stopping due to the fact that the centrifugal liquid does not flow back in time, meanwhile, the centrifugal liquid is prevented from overflowing, and the service life of the centrifugal machine is prolonged. And environmental sanitation around the equipment is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifuge equipment technical field, concretely is a centrifuge filtrate smooth backflow's device. BACKGROUND

[0002] Centrifuge is a common laboratory and industrial equipment, is used for separating solid particles or liquid component in mixture, it is based on the principle of centrifugal force work, through the rotation movement will be separated according to the density or size of the component in mixture, the working principle of centrifuge is to utilize the generation of centrifugal force, when centrifuge starts, motor will rotate rotor at high speed, due to the special shape and angle of rotor, will make the component of heavier quality be rapidly deposited to the bottom of centrifugal tube or centrifugal bottle under the action of centrifugal force, and the component of lighter quality will be in upper layer.

[0003] But centrifuge in the process of normal operation, due to the centrifugal liquid collection tank located at the bottom of equipment, in the case of excessive flow, it is difficult to flow to centrifugal liquid collection barrel, often because of the centrifugal liquid backflow not in time, and lead to centrifuge fault trip stop, so we put forward a kind of centrifuge filtrate smooth backflow's device to solve the above existing problems. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiency of prior art, the utility model provides a centrifuge filtrate smooth backflow's device, solve the problem that because the centrifugal liquid collection tank located at the bottom of equipment, in the case of excessive flow, it is difficult to flow to centrifugal liquid collection barrel, often because of the centrifugal liquid backflow not in time, and lead to centrifuge fault trip stop.

[0005] To realize above-mentioned purpose, the utility model is realized through following technical scheme: a centrifuge filtrate smooth backflow's device, it includes:

[0006] Flow guide component, the flow guide component is used to make centrifugal liquid in centrifuge communicate with outside world;

[0007] Air permeable component, the air permeable component is inserted in the top end of the flow guide component, and the air permeable component is used to filter the air flowing through the flow guide component;

[0008] Check valve component, the check valve component is inserted in the middle part of the inner cavity of the flow guide component, and the check valve component is used to prevent centrifugal liquid from gushing out of the flow guide component;And

[0009] Filtering component, the filtering component is arranged in the inner cavity of the flow guide component and is close to the top end position, and the bottom surface of the filtering component is attached to the top surface of the check valve component, and the filtering component is used to filter the added centrifugal liquid.

[0010] Preferably, the flow guide assembly comprises a flow guide hopper, and an externally threaded pipe is embeddedly connected to the bottom end of the flow guide hopper.

[0011] A collar is arranged in the inner cavity of the flow guide hopper and close to the top end position, and the collar is used to support the filter assembly.

[0012] Preferably, the air permeable assembly comprises a shielding cover, the shielding cover is inserted into the top end of the flow guide hopper, a plurality of air permeable holes are formed in the middle part of the outer wall of the shielding cover, and the shielding cover is used to allow air to pass through.

[0013] A through hole is formed in each of the two side walls of the shielding cover and close to the bottom end position, and a locking knob is inserted into the inner cavity of each through hole, and one end of the locking knob is rotationally connected to the outer wall of the flow guide hopper.

[0014] Preferably, the air permeable assembly further comprises a filter sponge, the filter sponge is arranged in the inner cavity of the shielding cover and at the top of the shielding cover, and the filter sponge is used to filter the air passing through the shielding cover.

[0015] Preferably, the air permeable assembly further comprises a grid frame, the grid frame is arranged in the inner cavity of the shielding cover and located on the bottom surface of the filter sponge, and the grid frame is used to support the filter sponge.

[0016] Preferably, the check valve assembly comprises a positioning pipe, a plurality of first liquid blocking plates are arranged on one side wall in the inner cavity of the positioning pipe, and a plurality of second liquid blocking plates are arranged in the inner cavity of the positioning pipe and opposite to the first liquid blocking plates.

[0017] The first liquid blocking plates and the second liquid blocking plates are arranged in a downward inclined manner, and the plurality of first liquid blocking plates and the plurality of second liquid blocking plates on the same side are arranged in a linear array.

[0018] Preferably, the filter assembly comprises a support ring arranged on the top surface of the collar, and a hollow cover is arranged in the inner cavity of the support ring.

[0019] Preferably, at least one clamping groove is formed in the bottom surface of the support ring on both sides, and a magnet is arranged in the inner cavity of the clamping groove, and the magnet is magnetically connected to the collar.

[0020] Beneficial effects

[0021] The device for smoothly returning the filter liquid of the centrifugal machine provided by the utility model has the following beneficial effects compared with the prior art:

[0022] The device that the centrifuge filtrate backflows smoothly, through the flow guide assembly, can be installed at the oil tank position of the centrifuge, can be inserted and installed to the air permeable assembly, and can make the oil tank communicate with the outside through the flow guide assembly, so that the centrifugal liquid can backflow smoothly, thereby avoiding the centrifuge from stopping due to the centrifugal liquid not backflowing in time, then through the air permeable assembly, the outside air can be communicated with the inner cavity of the flow guide assembly, and the air flowing through can be filtered, so that the dirt in the air can be prevented from entering the oil tank through the flow guide assembly, thereby ensuring the sanitary safety of use;

[0023] Then through the check valve assembly, the flow of the air through the flow guide assembly can be ensured to be smooth, and the centrifugal liquid can be prevented from overflowing, thereby ensuring the environmental hygiene around the equipment, through the filter assembly, the oil tank can be added with the centrifugal liquid through the flow guide assembly after the air permeable assembly is opened by the staff, and the added centrifugal liquid can be filtered, so that the dirt in the added centrifugal liquid can be prevented from entering the oil tank, thereby ensuring the safety of adding the centrifugal liquid. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole structure schematic view of the utility model;

[0025] Figure 2 It is a cross section structure schematic view of the utility model;

[0026] Figure 3 It is a cross section structure schematic view of the flow guide assembly of the utility model;

[0027] Figure 4 It is a bottom structure schematic view of the air permeable assembly of the utility model;

[0028] Figure 5 It is a cross section structure schematic view of the check valve assembly of the utility model;

[0029] Figure 6 It is a structure schematic view of the filter assembly of the utility model.

[0030] In the drawing: 1, flow guide assembly; 11, flow guide hopper; 12, external thread pipe; 13, supporting ring; 2, air permeable assembly; 21, shielding cover; 22, air permeation hole; 23, through hole; 24, locking knob; 25, filter sponge; 26, grating frame; 3, check valve assembly; 31, positioning pipe; 32, first liquid baffle; 33, second liquid baffle; 4, filter assembly; 41, supporting ring; 42, hollow cover; 43, clamping groove; 44, magnet. DETAILED DESCRIPTION

[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0032] Please refer to Figures 1-2 The present application provides a technical solution: a device for smooth backflow of centrifuge filtrate, comprising: a flow guide assembly 1, which is used to connect the centrifugal liquid in the centrifuge with the outside world; an air permeable assembly 2, which is inserted into the top end of the flow guide assembly 1 and is used to filter the air flowing through the flow guide assembly 1; a check valve assembly 3, which is inserted into the middle part of the inner cavity of the flow guide assembly 1 and is used to prevent the centrifugal liquid from flowing out of the flow guide assembly 1; and a filter assembly 4, which is arranged in the inner cavity of the flow guide assembly 1 and is close to the top end position, and the bottom surface of the filter assembly 4 is attached to the top surface of the check valve assembly 3, and the filter assembly 4 is used to filter the added centrifugal liquid.

[0033] Through the flow guide assembly 1, it can be installed in the oil tank position of the centrifuge, and the air permeable assembly 2 can be inserted and installed, and the oil tank can be connected with the outside world through the flow guide assembly 1, so that the centrifugal liquid can flow back smoothly, thereby avoiding the centrifuge from stopping due to the delayed backflow of the centrifugal liquid. Then, through the air permeable assembly 2, the air outside can be connected with the inner cavity of the flow guide assembly 1, and the air flowing through can be filtered, thereby preventing the dirt in the air from entering the oil tank through the flow guide assembly 1, and ensuring the sanitary safety of use. Then, through the check valve assembly 3, the flow of air through the flow guide assembly 1 can be smooth, and the centrifugal liquid can be prevented from overflowing, thereby ensuring the environmental hygiene around the equipment. Through the filter assembly 4, the centrifugal liquid can be added to the oil tank through the flow guide assembly 1 after the air permeable assembly 2 is opened by the staff, and the added centrifugal liquid can be filtered, thereby preventing the dirt in the added centrifugal liquid from entering the oil tank, and ensuring the safety of adding the centrifugal liquid.

[0034] Please refer to Figure 2 , Figure 3 The flow guide assembly 1 comprises a flow guide hopper 11, and an external thread pipe 12 is embeddedly connected to the bottom end of the flow guide hopper 11; a retainer ring 13 is arranged in the inner cavity of the flow guide hopper 11 and is close to the top end position, and the retainer ring 13 is used to support the filter assembly 4.

[0035] Through the external thread pipe 12 in the flow guide assembly 1, the oil tank position of the centrifugal machine can be installed and the flow guide hopper 11 can be installed, and through the flow guide hopper 11, the filter assembly 4 can be installed by the support ring 13, and the air permeable assembly 2 and the check valve assembly 3 can be inserted and installed.

[0036] Referring to Figures 2-4 , the air permeable assembly 2 comprises a shielding cover 21 which is inserted into the top end of the flow guide hopper 11, a plurality of air permeable holes 22 are formed in the middle part of the outer wall of the shielding cover 21, a through hole 23 is formed in the side wall of the shielding cover 21 near the bottom end, and a locking knob 24 is inserted into the inner cavity of each through hole 23, one end of the locking knob 24 is rotatably connected to the outer wall of the flow guide hopper 11, the air permeable assembly 2 further comprises a filter sponge 25 which is arranged in the inner cavity of the shielding cover 21 at the top, the filter sponge 25 is used for filtering the air flowing through the shielding cover 21, and the air permeable assembly 2 further comprises a grid frame 26 which is arranged in the inner cavity of the shielding cover 21 and located at the bottom surface of the filter sponge 25, the grid frame 26 is used for supporting the filter sponge 25;

[0037] Through the shielding cover 21 in the air permeable assembly 2, the shielding cover 21 can be inserted into the open end of the flow guide hopper 11, a plurality of air permeable holes 22 can be provided with a space, and through the plurality of air permeable holes 22, external air can enter the shielding cover 21, so that the flow guide hopper 11 is in communication with the outside, and then through the filter sponge 25, the air flowing through can be filtered, so that the external impurities can be prevented from entering the flow guide hopper 11, and the cleanliness of the air entering the flow guide hopper 11 is ensured, through the grid frame 26, the grid frame 26 can be installed in the inner cavity of the shielding cover 21 and support the filter sponge 25, so that the stability of the use of the filter sponge 25 is improved, and through the rotation of the locking knob 24 on the through hole 23, one end of the locking knob 24 can be rotatably inserted into the flow guide hopper 11, so that the shielding cover 21 can be stably inserted into the flow guide hopper 11, so that the stability of the use of the shielding cover 21 can be improved.

[0038] Referring to Figure 3 , Figure 5 The check valve assembly 3 comprises a positioning pipe 31, a plurality of first liquid blocking plates 32 are arranged on one side wall in the inner cavity of the positioning pipe 31, and a plurality of second liquid blocking plates 33 are arranged on the opposite side of the first liquid blocking plates 32 in the inner cavity of the positioning pipe 31; the first liquid blocking plates 32 and the second liquid blocking plates 33 are distributed in a downward inclined manner, and the plurality of first liquid blocking plates 32 and the plurality of second liquid blocking plates 33 on the same side are linearly arrayed;

[0039] The positioning pipe 31 in the check valve assembly 3 can be inserted into the inner cavity of the flow guide hopper 11 and can install the plurality of first liquid blocking plates 32 and the plurality of second liquid blocking plates 33. Since the first liquid blocking plates 32 and the second liquid blocking plates 33 are arranged in a downward inclined manner and the plurality of first liquid blocking plates 32 and the plurality of second liquid blocking plates 33 on the same side are arranged in a linear array, the flow of the air flow guide assembly 1 can be smooth, and the centrifugal liquid overflow can be avoided, thereby ensuring the environmental hygiene around the equipment.

[0040] Referring to Figure 2 , Figure 6 The filter assembly 4 comprises a supporting ring 41 arranged on the top surface of the retainer ring 13. The inner cavity of the supporting ring 41 is provided with a hollow cover 42. At least one clamping groove 43 is arranged on the bottom surface of the supporting ring 41, and the inner cavity of the clamping groove 43 is provided with a magnet 44. The magnet 44 is magnetically connected with the retainer ring 13.

[0041] The supporting ring 41 in the filter assembly 4 can be installed on the retainer ring 13 and can hold the hollow cover 42. The hollow cover 42 can filter the added centrifugal liquid, thereby preventing the dirt in the added centrifugal liquid from entering the oil tank. The magnet 44 can be installed on the supporting ring 41 through the clamping groove 43. Since the magnet 44 is magnetically connected with the retainer ring 13, the stability of the installation of the supporting ring 41 can be improved, thereby improving the stability of the use of the hollow cover 42.

[0042] In operation, the air flow guide assembly 1 can be installed on the oil tank of the centrifugal machine and can be inserted and installed with the air permeable assembly 2. The oil tank is connected with the outside through the air flow guide assembly 1, thereby enabling the centrifugal liquid to flow back smoothly, thereby avoiding the centrifugal machine from stopping due to the delayed backflow of the centrifugal liquid. The air permeable assembly 2 can ensure the connection between the outside air and the inner cavity of the air flow guide assembly 1 and can filter the air flowing through, thereby preventing the dirt in the air from entering the oil tank through the air flow guide assembly 1, thereby ensuring the sanitary safety in use. The air flow guide assembly 1 can ensure the smoothness and avoid the centrifugal liquid from overflowing, thereby ensuring the environmental hygiene around the equipment. The filter assembly 4 can add the centrifugal liquid to the oil tank through the air flow guide assembly 1 after the air permeable assembly 2 is opened by the worker and can filter the added centrifugal liquid, thereby preventing the dirt in the added centrifugal liquid from entering the oil tank, thereby ensuring the safety of the addition of the centrifugal liquid.

[0043] The external thread pipe 12 in the air flow guide assembly 1 can be rotatably installed on the oil tank of the centrifugal machine and can install the flow guide hopper 11. The flow guide hopper 11 can hold and install the filter assembly 4 through the retainer ring 13 and can insert and install the air permeable assembly 2 and the check valve assembly 3.

[0044] Through the shielding cover 21 in the air permeable assembly 2, it can be inserted in the open end of the flow guide hopper 11, and can provide space for a plurality of air permeable holes 22, and through the plurality of air permeable holes 22, the outside air can be conveniently introduced into the shielding cover 21, thereby enabling the flow guide hopper 11 to communicate with the outside, and then through the filtering sponge 25, the flowing air can be filtered, thereby preventing the outside dirt from entering the flow guide hopper 11, ensuring the cleanliness of the air entering the flow guide hopper 11, through the grid frame 26, it can be installed in the inner cavity of the shielding cover 21, and can hold up the filtering sponge 25, thereby improving the stability of the use of the filtering sponge 25, through the rotating locking button 24 on the through hole 23, thereby enabling one end to be rotatably inserted in the flow guide hopper 11, thereby enabling the shielding cover 21 to be stably inserted in the flow guide hopper 11, so as to improve the stability of the use of the shielding cover 21.

[0045] Through the positioning pipe 31 in the non-return assembly 3, it can be inserted in the inner cavity of the flow guide hopper 11, and can install a plurality of first liquid blocking plates 32 and a plurality of second liquid blocking plates 33, since the first liquid blocking plates 32 and the second liquid blocking plates 33 are distributed in a downward inclined manner, and the plurality of first liquid blocking plates 32 and the plurality of second liquid blocking plates 33 on the same side are linearly arrayed, so that this way can ensure the smoothness of air flow through the flow guide assembly 1, and can avoid the overflow of centrifugal liquid, thereby ensuring the environmental hygiene around the equipment.

[0046] Through the support ring 41 in the filtering assembly 4, it can be installed on the supporting ring 13, and can hold up the hollow cover 42, and then through the hollow cover 42, the added centrifugal liquid can be filtered, thereby preventing the dirt in the added centrifugal liquid from entering the oil tank, and then through the clamping groove 43, the magnet 44 can be installed on the support ring 41, since the magnet 44 is magnetically connected with the supporting ring 13, thereby improving the stability of the installation of the support ring 41, and thereby improving the stability of the use of the hollow cover 42.

[0047] In summary, the device can ensure that the centrifugal liquid on the centrifugal machine communicates with the external atmosphere, thereby enabling the centrifugal liquid to smoothly return, avoiding the centrifugal machine from stopping due to the delayed return of the centrifugal liquid, and also avoiding the overflow of the centrifugal liquid, ensuring the environmental hygiene around the equipment.

[0048] Meanwhile, the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.

Claims

1. A device for smooth return of centrifuge filtrate, characterized in that: Include: Flow guide assembly (1) for centrifuge liquid communication with the outside world; Air permeable component (2) is inserted in the top of the flow guide assembly (1), the air permeable component (2) for filtering the air through the flow guide assembly (1); Check valve assembly (3) is inserted in the middle of the flow guide assembly (1) cavity, the check valve assembly (3) for preventing the centrifugal liquid gushing flow guide assembly (1); And Filter assembly (4) is arranged in the flow guide assembly (1) cavity and close to the top position, and the bottom surface of the filter assembly (4) is attached to the top surface of the check valve assembly (3), the filter assembly (4) is used for filtering treatment of the added centrifugal liquid.

2. A device for smooth return of filtrate from a centrifuge according to claim 1, characterized in that: The flow guide assembly (1) comprises a flow guide hopper (11), the bottom end of the flow guide hopper (11) is embedded with an external thread pipe (12); The flow guide hopper (11) is provided with a support ring (13) in the inner cavity and close to the top position, and the support ring (13) is used for supporting the filter assembly (4).

3. A device for smooth return of filtrate from a centrifuge according to claim 2, characterized in that: The air permeable component (2) comprises a shielding cover (21), the shielding cover (21) is inserted in the top of the flow guide hopper (11), a plurality of air permeable holes (22) are formed in the middle of the outer wall of the shielding cover (21). The two side walls of the shielding cover (21) and close to the bottom end position are provided with through holes (23), and the inner cavity of each through hole (23) is inserted with a locking knob (24), one end of the locking knob (24) is rotatably connected with the outer wall of the flow guide hopper (11).

4. A device for smooth return of filtrate from a centrifuge according to claim 3, characterized in that: The air permeable component (2) further comprises a filter sponge (25), the filter sponge (25) is arranged in the inner cavity of the shielding cover (21) top, the filter sponge (25) is used for filtering the air through the shielding cover (21).

5. A device for smooth return of filtrate from a centrifuge according to claim 4, characterized in that: The air permeable component (2) further comprises a grid frame (26), the grid frame (26) is arranged in the inner cavity of the shielding cover (21), and is located on the bottom surface of the filter sponge (25), the grid frame (26) is used for supporting the filter sponge (25).

6. A device for smooth return of filtrate from a centrifuge according to claim 1, characterized in that: The check valve assembly (3) comprises a positioning pipe (31), a plurality of first liquid stop plates (32) are arranged on one side wall of the inner cavity of the positioning pipe (31), a plurality of second liquid stop plates (33) are arranged in the inner cavity of the positioning pipe (31) and opposite to the first liquid stop plate (32). The first liquid stop plate (32) and the second liquid stop plate (33) are distributed in a downward inclined manner, and a plurality of first liquid stop plates (32) and a plurality of second liquid stop plates (33) on the same side are linearly arrayed.

7. A device for smooth return of filtrate from a centrifuge according to claim 2, characterized in that: The filter assembly (4) comprises a support ring (41) arranged on the top surface of the support ring (13), and the inner cavity of the support ring (41) is provided with a hollow cover (42).

8. A device for smooth return of filtrate from a centrifuge according to claim 7, characterized in that: At least one clamping groove (43) is formed on both sides of the bottom surface of the support ring (41), and a magnet (44) is arranged in the inner cavity of the clamping groove (43), and the magnet (44) is magnetically connected with the support ring (13).

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