CN112535920B

CN112535920B - Front vacuum filter

Info

Publication number: CN112535920B
Application number: CN202011436210.7A
Authority: CN
Inventors: 贺盛春; 谢应波; 张庆; 许峰源
Original assignee: SHANGHAI TITAN TECHNOLOGY CO LTD
Current assignee: SHANGHAI TITAN TECHNOLOGY CO LTD
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2022-05-17
Anticipated expiration: 2040-12-07
Also published as: CN112535920A

Abstract

The utility model relates to a leading vacuum filter, the technical field who relates to filtration equipment, it includes the bottle of lid and receiving flask, the lid links to each other with the bottle spiro union, the lid is provided with the intake pipe, the lid is provided with the outlet duct, intake pipe periphery side cover is equipped with the connecting pipe, the even interval of connecting pipe periphery side is provided with the erection column, the erection column slope sets up downwards, the erection column is kept away from connecting pipe one side and is provided with the connecting strip that is used for connecting between the erection column, form installation space between adjacent erection column and the connecting strip, be provided with the filter layer in the installation space, the connecting strip is provided with the slip subassembly, the connecting strip slides in the bottle through the slip subassembly, the lid is provided with and is used for the rotatory drive assembly of drive connecting pipe, the connecting strip is seted up the escape way that is used for collecting liquid towards erection column one side, the connecting strip is seted up and is linked together and runs through downwards with the collecting vat. The present application has the effect of reducing the number of droplets contained within the gas leaving the collection bottle.

Description

Front vacuum filter

Technical Field

The application relates to the technical field of filtering equipment, in particular to a front vacuum filter.

Background

The preposed vacuum filter is a device which leads the gas mixed with liquid drops to pass through the collecting bottle before entering the pump body, so that the liquid drops in the gas are condensed on the bottle wall of the collecting bottle, and the quantity of the liquid drops entering the pump body is reduced.

At present, the Chinese utility model with the publication number of CN208018629U discloses a flow-stopping bottle for a laboratory, which comprises a glass bottle, a bottle cap, a gas passing pipe, a liquid passing pipe, a flow-stopping pipe and a buoy. The bottle cap is arranged at the bottle mouth of the glass bottle, the air passing pipe is arranged on the bottle cap, one end of the two ends of the air passing pipe forms an air inlet, and the other end of the air passing pipe forms an air outlet. The lower part of the air passing pipe is provided with two insertion ports, the insertion port close to the air inlet is provided with a liquid passing pipe, the insertion port close to the air outlet is provided with a cut-off pipe, the two pipes are deep into the glass bottle, and the length of the cut-off pipe is longer than that of the liquid passing pipe. The upper end opening of the intercepting pipe is a conical opening, a circle of air passing holes are uniformly distributed on the upper pipe wall of the intercepting pipe, a float limited by a boss is arranged in the intercepting pipe, and the top end of the float is of a conical structure matched with the conical opening.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the gas entering the collection bottle also comes into contact with the droplets collected in the collection bottle, possibly causing the gas leaving the collection bottle to carry a small amount of droplets.

Disclosure of Invention

To reduce the number of droplets contained within the gas exiting the collection bottle, the present application provides a pre-vacuum filter.

The application provides a front vacuum filter.

The application provides a leading vacuum filter adopts following technical scheme:

a preposed vacuum filter comprises a cover body and a bottle body of a collecting bottle, wherein the cover body is connected with the bottle body in a threaded manner, the middle part of the cover body is provided with an air inlet pipe which can extend into the bottle body, the air inlet pipe is positioned in the bottle body, the cover body is provided with an air outlet pipe close to the edge part, the peripheral side of the air inlet pipe is sleeved with a connecting pipe, the connecting pipe is connected with the air inlet pipe in a rotating manner through a rotating sealing element, the connecting pipe is connected with the cover body in a rotating manner through the rotating sealing element, the peripheral side of the connecting pipe is provided with mounting columns at even intervals, the mounting columns are obliquely and downwards arranged, one side of the mounting columns, which is far away from the connecting pipe, is provided with connecting strips used for connecting the mounting columns, mounting spaces are formed between the adjacent mounting columns and the connecting strips, a filter layer is arranged in the mounting spaces, the connecting strips are provided with sliding assemblies, and slide in the bottle body through the sliding assemblies, the lid is provided with and is used for the rotatory drive assembly of drive connecting pipe, the collecting vat that is used for collecting liquid is offered towards erection column one side to the connecting strip, the drain pan that is linked together and runs through downwards with the collecting vat is offered to the connecting strip.

Through adopting above-mentioned technical scheme, gaseous follow the intake pipe lets in the bottle during use to the outlet duct motion, gaseous through the filter layer in the motion process, the liquid in the gas is intercepted, is filtered by the filter layer this moment. The connecting pipe is driven to rotate by the driving assembly while intercepting and filtering, so that the liquid intercepted and filtered by the filtering layer moves towards the collecting tank under the action of centrifugal force, and the intercepting and filtering capabilities of the filtering layer are kept to a certain extent. The liquid drops under the action of centrifugal force are finally collected by the collecting tank and then drained through the draining tank until the liquid drops are collected at the bottom of the bottle body. The whole process is simple, the liquid drops in the filtered gas are intercepted by the filter layer, and the quantity of the liquid drops in the gas discharged from the gas outlet pipe can be effectively reduced.

Optionally, the driving assembly includes a motor and a driving rack, the driving rack is arranged on the outer periphery side of the protruding cover body part of the connecting pipe along the circumferential direction, the top of the cover body is provided with a mounting frame, the motor is installed on the mounting frame, the motor includes a rotating shaft, the rotating shaft is provided with a rotating gear, and the rotating gear is meshed with the driving rack.

Through adopting above-mentioned technical scheme, the motor drives the running gear rotatory during the use, makes the connecting pipe get into rotation state through the drive rack, is favorable to letting the liquid drop in the filter layer to keeping away from the connecting pipe direction motion under the effect of centrifugal force.

Optionally, the sliding assembly comprises a sliding ball and a spring, the connecting strip is far away from one side of the mounting column and is provided with a containing groove, the sliding ball is contained in the containing groove, the containing groove is close to one side of the mounting column and is communicated with a groove wall of the mounting column and is provided with a spring groove, the spring is installed in the spring groove, one end of the spring is abutted to the sliding ball, the other end of the spring is abutted to the spring groove, the inner wall of the bottle body is provided with an annular sliding groove, and the sliding ball slides in the sliding groove.

Through adopting above-mentioned technical scheme, the smooth ball contracts into the spring groove earlier during the installation, and until smooth ball and spout are punctual relatively, the spring promotes the smooth ball protrusion, is favorable to reducing the installation degree of difficulty.

Optionally, a space is formed between the connecting strip and the inner wall of the bottle body, bristles are arranged on one side, away from the mounting column, of the connecting strip, and the bristles extend into the sliding groove.

Through adopting above-mentioned technical scheme, when gas passes through from the interval between connecting strip and the bottle inner wall, the brush hair intercepts the liquid drop in the gas, is favorable to reducing the quantity of the liquid drop that contains in the gas.

Optionally, a clamping groove is formed in the communication of the side groove wall of the holding groove, a clamping ring is clamped in the clamping groove, and the inner diameter of the clamping ring is smaller than the diameter of the sliding ball.

Through adopting above-mentioned technical scheme, install the sliding ball earlier during the installation, again with snap ring joint in the draw-in groove, be favorable to reducing the installation degree of difficulty of sliding ball.

Optionally, set up along same circumferencial direction the erection column is a set of, the erection column is provided with two sets ofly at the interval from top to bottom, the collection groove has been seted up along the circumferencial direction at the connecting strip top, collection groove bottom and escape canal are linked together.

Through adopting above-mentioned technical scheme, the erection column is provided with two sets ofly for gas need pass through two-layer filter layer when moving to the outlet duct, is favorable to promoting the filtration interception effect of liquid drop.

Optionally, an annular drainage plate is arranged at the bottom of the connecting strip, which is far away from the mounting column part.

By adopting the technical scheme, the liquid drops discharged from the discharge groove are drained through the drainage plate, so that the possibility that the liquid drops spread to the part close to the air outlet pipe is favorably reduced.

Optionally, the air inlet pipe is provided with a spiral extending channel, and the extending channel is located in the bottle body.

Through adopting above-mentioned technical scheme, the gas that gets into from the intake pipe is earlier through extending the way, is favorable to making the liquid drop in the gas tentatively condense earlier in extending the way.

In summary, the present application includes at least one of the following benefits:

1. when the filter is used, gas is introduced from the gas inlet pipe and is filtered by the filter layer and then is discharged from the gas outlet pipe, so that the quantity of liquid drops contained in the discharged gas can be effectively reduced. In the using process, the connecting pipe can be driven to rotate by the driving assembly, so that liquid drops in the filtering layer move to the collecting tank under the centrifugal action, are discharged through the discharge tank and are collected at the bottom of the bottle body, and the intercepting and filtering capacity of the filtering layer is kept to a certain degree;

2. be provided with the extension way in the intake pipe, earlier through the extension way when gaseous expert for liquid drop in the gas is tentatively condensed in the extension way, and gathers in the bottle bottom along the extension way, is favorable to reducing the liquid drop quantity in the gas, alleviates the filtration strength of filter layer.

Drawings

FIG. 1 is a schematic diagram of the external structure of an embodiment of the present application;

FIG. 2 is a schematic view showing the internal structure of an intake pipe according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the internal structure of an embodiment of the present application;

FIG. 4 is a schematic view of an internal cross-section of an embodiment of the present application;

FIG. 5 is an enlarged schematic view of section A of FIG. 3;

FIG. 6 is an enlarged schematic view of section B of FIG. 4;

fig. 7 is a schematic view of the internal structure of the connection strip according to the embodiment of the present application.

Reference numerals: 1. a cover body; 2. a bottle body; 3. an air inlet pipe; 4. an air outlet pipe; 5. a connecting pipe; 6. mounting a column; 7. a connecting strip; 8. an installation space; 9. a filter layer; 10. a sliding assembly; 101. a sliding ball; 102. a spring; 11. a drive assembly; 111. a motor; 112. a drive rack; 12. collecting tank; 13. a drain tank; 14. a mounting frame; 15. a rotating shaft; 16. a rotating gear; 17. accommodating grooves; 18. a spring slot; 19. a chute; 20. brushing; 21. a card slot; 22. a snap ring; 23. a collecting groove; 24. a drainage plate; 25. an extension lane; 26. and (5) fixing the column.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Referring to fig. 1, the front vacuum filter according to the embodiment of the present application includes a cover 1 and a bottle body 2 of a collection bottle. Lid 1 is disc-shaped structure, and lid 1 bottom is close to the edge part and separately is equipped with the thread groove that extends along the circumferencial direction, and bottle 2 is inside hollow cylindric structure, and lid 1 passes through the thread groove spiro union in bottle 2 top.

Referring to fig. 1, an air inlet pipe 3 is arranged in the middle of the cover body 1 in a penetrating manner, and the air inlet pipe 3 extends into the bottle body 2 and is used for introducing air. The cover body 1 is provided with an air outlet pipe 4 near the edge part in a penetrating way, the air outlet pipe 4 does not extend into the bottle body 2, the cover body 1 is provided with an air outlet hole, and the air outlet hole is communicated with the bottle body 2 and the air outlet pipe 4 and is used for supplying air to leave the bottle body 2.

Referring to fig. 1 and 2, a fixing post 26 is disposed in the air inlet tube 3, the fixing post 26 is fixedly connected to the spiral extending channel 25 between the air inlet tube 3 and the fixing post 26, and the extending channel 25 is located in the bottle body 2. The gas flows along the extending channel 25 after entering the gas inlet pipe 3, and at the moment, the gas contacts with the extending channel 25, the gas inlet pipe 3 and the fixed column 26, so that liquid drops in the gas are condensed and flow downwards under the push of gravity and the gas until the liquid drops are gathered at the bottom of the bottle body 2.

Referring to fig. 3, the cover of intake pipe 3 periphery side is equipped with connecting pipe 5, and connecting pipe 5 is located bottle 2, through rotary seal spare swivelling joint between connecting pipe 5 and the intake pipe 3, through rotary seal spare swivelling joint between connecting pipe 5 and the lid 1, reduces the possibility of gas leakage when realizing connecting pipe 5 pivoted.

Referring to fig. 3, two sets of mounting posts 6 are symmetrically disposed on the outer periphery of the connecting pipe 5, and each set of mounting posts 6 is provided with a plurality of mounting posts 6 and is fixed on the outer periphery of the connecting pipe 5 at regular intervals along the circumferential direction. The mounting column 6 is arranged obliquely downwards, the top of the mounting column 6 is fixed on the connecting pipe 5, and the bottom of the mounting column is close to the inner wall of the bottle body 2.

Referring to fig. 3, one side of the mounting posts 6 away from the connecting pipe 5 is fixedly connected with an annular connecting strip 7, and the mounting posts 6 in the same group are fixedly connected through the connecting strip 7. An installation space 8 is formed between the adjacent installation columns 6 and the connecting strips 7, and a filter layer 9 is fixedly installed in the installation space 8 and used for further intercepting and filtering liquid drops in the gas. The filter layer 9 can be made of sponge materials, and the filter layer 9, the mounting column 6 and the connecting strip 7 can be fixedly bonded through glue.

Referring to fig. 4 and 5, the connecting bar 7 is provided with a slide assembly 10, and the slide assembly 10 includes a slide ball 101 and a spring 102. Holding tank 17 has been seted up to connecting strip 7 one side of keeping away from erection column 6, and smooth ball 101 holds in holding tank 17. The accommodating groove 17 is provided with a spring groove 18 at one side close to the mounting column 6, and the sliding ball 101 slides in the spring groove 18. The spring 102 is mounted in the spring groove 18, one end of the spring 102 abuts against the sliding ball 101, and the other end abuts against a groove wall of the spring groove 18 on the side close to the mounting post 6. When the sliding ball 101 is contacted with the inner wall of the bottle body 2, the sliding ball 101 is pushed to contract into the spring groove 18, and the spring 102 enters a contraction state. An annular sliding groove 19 is formed in the inner wall of the bottle body 2 along the circumferential direction, and the sliding ball 101 slides in the sliding groove 19. When the cover 1 is screwed to the bottle body 2, the sliding ball 101 is aligned with the sliding groove 19, and the spring 102 is elastically released to push the sliding ball 101 to slide into the sliding groove 19, which is beneficial to reducing the installation difficulty.

Referring to fig. 5, when the sliding ball 101 slides into the sliding groove 19, a certain distance is formed between the connecting bar 7 and the inner wall of the bottle body 2, which is beneficial to reducing the contact area between the connecting bar 7 and the inner wall of the bottle body 2 and reducing the friction force encountered when the connecting bar 7 slides.

Referring to fig. 4 and 6, a space is formed between one side of the connecting strip 7 away from the mounting post 6 and the inner wall of the bottle body 2, bristles 20 are uniformly arranged at intervals on one side of the connecting strip 7 away from the mounting post 6, and the bristles 20 extend into the sliding groove 19. When gas passes through the space between the connection bar 7 and the inner wall of the bottle body 2, the gas passes through the bristles 20 so that liquid droplets in the gas are condensed to the bristles 20.

Referring to fig. 5, a groove 21 is formed in the groove wall of the circumferential side of the receiving groove 17, a snap ring 22 is clamped in the groove 21, and the inner diameter of the snap ring 22 is smaller than the diameter of the sliding ball 101. When the sliding ball 101 is installed in the accommodating groove 17, the snap ring 22 is clamped in the clamping groove 21 to limit the sliding ball 101, and the spring 102 pushes the sliding ball 101 to protrude out of the snap ring 22, so that the installation difficulty of the sliding ball 101 is reduced.

Referring to fig. 3, the cover 1 is provided with a driving assembly 11 for driving the connection pipe 5 to rotate. The driving assembly 11 includes a motor 111 and a driving rack 112, the top of the cover 1 is fixedly connected with the mounting frame 14, the motor 111 is fixedly connected to the mounting frame 14, the motor 111 includes a rotating shaft 15, and the rotating shaft 15 faces downward vertically. The driving rack 112 is fixed to the outer peripheral side of the connecting tube 5 in the circumferential direction, and the driving rack 112 is located outside the bottle body 2. The part of the rotating shaft 15 away from the motor 111 is fixedly connected with a rotating gear 16, and the rotating gear 16 is meshed with a driving rack 112. After the motor 111 is started, the rotating gear 16 is driven to rotate, the rotating gear 16 drives the connecting pipe 5 to rotate through the driving rack 112, and at the moment, the liquid filtered in the filtering layer 9 flows in the direction far away from the connecting pipe 5 under the action of centrifugal force, so that the capability of the filtering layer 9 for intercepting liquid drops in gas is improved.

Referring to fig. 4 and 5, a plurality of collecting grooves 12 are uniformly spaced along the circumferential direction on the side of the connecting bar 7 close to the mounting post 6, and are used for collecting liquid drops flowing in the filter layer 9 towards the connecting bar 7.

Referring to fig. 7, a drain groove 13 is formed in the connecting strip 7, the drain groove 13 penetrates the connecting strip 7 downwards to the outside, and the drain groove 13 is communicated with the collecting groove 12. The droplets collected by the collection gutter 12 drain downwards through a drain gutter 13.

Referring to fig. 6 and 7, the bottom of the connecting bar 7 near the edge is fixedly connected with a flow guide plate 24, the flow guide plate 24 is arranged obliquely downwards, and the flow guide plate 24 extends along the circumferential direction. The liquid drops discharged from the discharging groove 13 flow to the drainage plate 24, are drained by the drainage plate 24, are thrown to the inner wall of the bottle body 2 under the action of centrifugal force, and then flow downwards along the inner wall of the bottle body 2. When the liquid drops flow to the connecting strip 7 positioned below, the top of the connecting strip 7 is provided with a collecting groove 23 along the circumferential direction, the bottom of the collecting groove 23 is communicated with the drainage groove 13, at the moment, part of the liquid drops are collected by the collecting groove 23 and continuously drained downwards, and the rest of the liquid drops flow downwards through a gap between the connecting strip 7 and the inner wall of the bottle body 2. The finally collected liquid drops are collected at the bottom of the bottle body 2.

The implementation principle of the front vacuum filter in the embodiment of the application is as follows:

when the gas-liquid separator is used, gas is introduced from the gas inlet pipe 3 and then introduced into the bottle body 2 after passing through the extension channel 25, and at the moment, liquid in the gas is firstly condensed in the extension channel 25 and flows to the bottom of the bottle body 2 along the extension channel 25. The gas entering the bottle body 2 moves towards the gas outlet pipe 4 and is filtered by the filter layer 9 in the moving process. Meanwhile, the motor 111 is started to drive the connecting pipe 5 to rotate, liquid drops intercepted and filtered in the filter layer 9 move towards the collecting tank 12, and are drained through the drain tank 13, so that the intercepting and filtering capacity of the filter layer 9 is kept to a certain degree. The whole using process is simple, and the quantity of liquid drops contained in the gas discharged from the gas outlet pipe 4 can be effectively reduced by intercepting and filtering the liquid drops in the gas through the extension passage 25 and the filter layer 9.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a leading vacuum filter, bottle (2) including lid (1) and receiving flask, lid (1) and bottle (2) spiro union link to each other, its characterized in that: the novel bottle cap is characterized in that an air inlet pipe (3) capable of extending into the bottle body (2) is arranged in the middle of the cap body (1), the air inlet pipe (3) is located in the bottle body (2), an air outlet pipe (4) is arranged at the position, close to the edge portion, of the cap body (1), a connecting pipe (5) is sleeved on the outer peripheral side of the air inlet pipe (3), the connecting pipe (5) is connected with the air inlet pipe (3) in a rotating mode through a rotating sealing element in a rotating mode, the connecting pipe (5) is connected to the cap body (1) in a rotating mode through the rotating sealing element, mounting columns (6) are arranged on the outer peripheral side of the connecting pipe (5) at even intervals, the mounting columns (6) are arranged obliquely downwards, connecting strips (7) used for connection between the mounting columns (6) are arranged on one side, away from the connecting pipes (5), and mounting spaces (8) are formed between the mounting columns (6) and the connecting strips (7), a filter layer (9) is arranged in the mounting space (8), the connecting strip (7) is provided with a sliding assembly (10), the connecting strip (7) slides in the bottle body (2) through the sliding assembly (10), the cover body (1) is provided with a driving assembly (11) for driving the connecting pipe (5) to rotate, one side, facing the mounting column (6), of the connecting strip (7) is provided with a collecting tank (12) for collecting liquid, and the connecting strip (7) is provided with a drainage groove (13) communicated with the collecting tank (12) and penetrating downwards; the sliding assembly (10) comprises a sliding ball (101) and a spring (102), an accommodating groove (17) is formed in one side, away from the mounting column (6), of the connecting strip (7), the sliding ball (101) is accommodated in the accommodating groove (17), a spring groove (18) is formed in one side, close to the mounting column (6), of the accommodating groove (17) in a communicated mode, the spring (102) is installed in the spring groove (18), one end of the spring (102) abuts against the sliding ball (101), the other end of the spring (102) abuts against the spring groove (18), an annular sliding groove (19) is formed in the inner wall of the bottle body (2), and the sliding ball (101) slides in the sliding groove (19); the connecting strip (7) and the inner wall of the bottle body (2) are spaced, bristles (20) are arranged on one side, away from the mounting column (6), of the connecting strip (7), and the bristles (20) extend into the sliding groove (19).

2. A pre-vacuum filter as set forth in claim 1, wherein: the driving assembly (11) comprises a motor (111) and a driving rack (112), the driving rack (112) is arranged on the outer periphery side of the part, protruding out of the cover body (1), of the connecting pipe (5) along the circumferential direction, a mounting frame (14) is arranged at the top of the cover body (1), the motor (111) is mounted on the mounting frame (14), the motor (111) comprises a rotating shaft (15), the rotating shaft (15) is provided with a rotating gear (16), and the rotating gear (16) is meshed with the driving rack (112).

3. A pre-vacuum filter as set forth in claim 1, wherein: clamping groove (21) have been seted up in all sides of holding tank (17) cell wall intercommunication, clamping groove (21) joint has snap ring (22), snap ring (22) internal diameter is less than slide ball (101) diameter.

4. A pre-vacuum filter as set forth in claim 1, wherein: set up along same circumferencial direction erection column (6) are a set of, erection column (6) interval is provided with two sets ofly from top to bottom, collection groove (23) have been seted up along the circumferencial direction at connecting strip (7) top, collection groove (23) bottom is linked together with escape canal (13).

5. A pre-vacuum filter according to claim 4, wherein: and an annular drainage plate (24) is arranged at the part of the bottom of the connecting bar (7) far away from the mounting column (6).

6. A pre-vacuum filter as set forth in claim 1, wherein: the air inlet pipe (3) is provided with a spiral extending channel (25), and the extending channel (25) is positioned in the bottle body (2).