CN213760955U

CN213760955U - Buffer type cloth bag filter

Info

Publication number: CN213760955U
Application number: CN202022635758.6U
Authority: CN
Inventors: 汪利明; 陆伟民
Original assignee: Suzhou Biluo Tianranquan Food And Beverage Co ltd
Current assignee: Suzhou Biluo Tianranquan Food And Beverage Co ltd
Priority date: 2020-11-14
Filing date: 2020-11-14
Publication date: 2021-07-23
Anticipated expiration: 2030-11-14

Abstract

The application relates to a buffer type cloth bag filter, which belongs to the field of filtering equipment and comprises a cylinder body and a cylinder cover arranged above the cylinder body in a covering mode; a filter cavity is formed in the cylinder body, and a filter basket is inserted in the filter cavity; a filter bag is inserted in the filter screen basket; the inner wall of the filtering cavity is fixedly provided with a convex edge; the outer edge of the filter screen basket is fixedly provided with a flange erected on the convex edge; a buffer component is arranged between the convex edge and the flanging; the buffer component comprises two sliding cavities symmetrically arranged in the convex edges; a sliding block is connected in the sliding cavity in a sliding mode; the sliding block is connected with the end part of the sliding cavity through an extension spring; two connecting rods are hinged on the lower end face of the flanging; the end part of the connecting rod is hinged to the upper end surface of the sliding block. This application has and cushions filtration basket and filter bag, prevents the impaired effect of filter bag.

Description

Buffer type cloth bag filter

Technical Field

The application relates to the field of filtration equipment, in particular to a buffer type cloth bag filter.

Background

At present, a bag filter is a novel filtering device, and the working principle of the bag filter is pressure filtration. The liquid to be filtered is injected into the container from the top or the side of the cloth bag filter through the feed pipe and then enters the liquid filter bag, and the liquid is uniformly distributed in the filter bag without the negative effect of turbulent flow; the particles filtered by the cloth bag filter are all trapped in the liquid filter bag, the liquid flows out from the discharge hole, and the filter bag can be continuously used after being replaced.

In the related art, reference is made to the utility model patent with the publication of authority CN209076261U, which discloses a bag filter, comprising a filtering cylinder, a filtering metal net frame and a filtering bag frame, wherein a first movable frame is arranged at the inner side of the filtering cylinder, a second movable frame is arranged at the upper sides of the filtering cylinder and the filtering cylinder, a metal net is movably connected with the first movable frame, and a filtering bag is movably connected with the second movable frame; this structure is at the during operation, and the fixed convenient and fast that filters between barrel, the filtration metal rack and the filtration filter bag frame three connects smoothly.

In view of the above-mentioned related technologies, the applicant has found that the impact force generated when the liquid flows through the filter by flushing is usually relatively large, and the filter is internally lack of a corresponding buffer mechanism, so that the liquid easily directly impacts the filter bag when flowing, and the filter bag is damaged by long-term liquid impact, which affects the filtering effect of the liquid.

SUMMERY OF THE UTILITY MODEL

In order to improve the fragile problem of filter bag in the filter working process, this application provides a buffer type sack filter.

The application provides a buffer type sack filter adopts following technical scheme:

a buffer type cloth bag filter comprises a cylinder body and a cylinder cover arranged above the cylinder body in a covering mode; a filter cavity is formed in the cylinder body, and a filter basket is inserted in the filter cavity; a filter bag is inserted in the filter screen basket; the inner wall of the filtering cavity is fixedly provided with a convex edge; the outer edge of the filter screen basket is fixedly provided with a flange erected on the convex edge; a buffer component is arranged between the convex edge and the flanging; the buffer component comprises two sliding cavities symmetrically arranged in the convex edges; a sliding block is connected in the sliding cavity in a sliding mode; the sliding block is connected with the end part of the sliding cavity through an extension spring; two connecting rods are hinged on the lower end face of the flanging; the end part of the connecting rod is hinged to the upper end surface of the sliding block.

Through adopting above-mentioned technical scheme, will treat filterable liquid and pour into the filter chamber during use, strike filter basket and filter bag when liquid flows, can drive filter basket and filter bag downstream to two connecting rods on the terminal surface rotate under the drive turn-ups, can promote the slider when the connecting rod rotates, and the energy that produces when making extension spring compression deformation absorb the filter basket vibration plays absorbing effect. When the impact force that the filter screen basket received diminishes, extension spring resumes deformation and promotes two sliders to the direction that is close to each other, and the angle between two connecting rods diminishes this moment, and the filter screen basket is to the direction motion that is close to the barrel open-ended. The setting of buffering subassembly makes filter basket and filter bag can rock from top to bottom when filterable, and the impact force of avoiding receiving is comparatively concentrated and leads to filter bag and filter basket impaired.

Optionally, a horizontally arranged sliding rod is fixedly arranged in the sliding cavity; the extension spring and the sliding block are sleeved on the sliding rod; the sliding block is connected with the sliding rod in a sliding mode.

Through adopting above-mentioned technical scheme, when the connecting rod rotated and promoted the slider, slider and extension spring can slide along the length direction of slider, prevent the extension spring distortion, have guaranteed the stationarity that the filter screen basket rocked from top to bottom.

Optionally, a movable frame is fixedly arranged at the outer edge of the filter bag; the lower end face of the movable frame is fixedly provided with an embedded plate; the upper end face of the turning edge is provided with an embedded groove clamped with the embedded plate.

Through adopting above-mentioned technical scheme, when the movable frame was set up on the turn-ups, in inserting the gomphosis integrated circuit board into the gomphosis groove, alright fix the filter bag. The filter bag is convenient to install and replace through the matching of the embedded plate and the embedded groove.

Optionally, a fixing assembly is arranged at the opening position of the filter bag; the fixing component comprises a thin rod and a support rod vertically and fixedly provided with two sides of the thin rod; fixing grooves are formed in the two supporting rods; the fixed groove is internally and slidably connected with a pressing rod; the end part of the abutting rod is connected with the bottom of the fixed groove through a buffer spring; the other end of the pressing rod is fixedly provided with an arc-shaped pressing plate; the filter bag is pressed between the pressing plate and the movable frame.

Through adopting above-mentioned technical scheme, after the filter bag was installed in the filter chamber, hold two and support the depression bar and to the direction slip that is close to the pin rod and support the depression bar, when supporting the depression bar and support the pressure plate and stretch into in the filter bag, loosen the effect of exerting on supporting the pressure bar, buffer spring resumes elastic deformation and will support the pressure plate bullet to the filter bag inner wall on this moment to tightly support the filter bag and press between the lateral wall that supports pressure plate and movable frame, prevent that the filter bag from dropping.

Optionally, one end of the pressing plate, which is far away from the pressing rod, is glued with a rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad has certain cushioning effect, prevents to support that the too big filter bag that causes of the extrusion force between clamp plate and the movable frame is impaired.

Optionally, two ends of the thin rod are abutted against the upper end face of the movable frame; the movable frame is connected with a flow guide assembly; the flow guide assembly comprises a flow guide rod which is vertically and fixedly arranged on the thin rod, and the end part of the flow guide rod extends into the filter cavity; and spiral flow deflectors are fixedly arranged on the outer annular surface of the flow guide rod along the length direction of the flow guide rod.

Through adopting above-mentioned technical scheme, after liquid enters into the barrel, at first can fall to on the water conservancy diversion pole, then be the spiral mode along spiral water conservancy diversion piece and flow down, each position on the filter bag can be washed to liquid this moment, prevents that the impact force that the local position of filter bag received is too big to lead to the filter bag impaired.

Optionally, a vertical groove is vertically formed in the inner wall of the filtering cavity above the convex ridge; and the flanging is fixedly provided with a connecting sheet which is connected in the vertical groove in a sliding manner.

Through adopting above-mentioned technical scheme, when the filter screen basket rocked, can drive the connection piece and slide from top to bottom in erecting the inslot, prevent that the filter screen basket from twisting in the liquid punching press emergence.

Optionally, a first sleeve is fixedly arranged on the inner wall of the cylinder body; a rotating arm is rotationally connected in the first sleeve; the rotating arm is bent, and a second sleeve is fixedly arranged at one end, positioned above the cylinder cover, of the rotating arm; a screw is connected with the inner thread of the second sleeve; the screw rod vertically extends downwards and the end part of the screw rod is rotatably connected in the cylinder cover.

By adopting the technical scheme, the screw rod is rotated to drive the barrel cover to ascend, and when the barrel cover is separated from the barrel body, the rotating arm is rotated again to rotate the barrel cover to one side of the barrel body, so that the maintenance operation on the interior of the barrel body is facilitated.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the filter is used, liquid to be filtered is poured into the filter cavity, the filter basket and the filter bag are impacted when the liquid flows, the filter basket and the filter bag can be driven to move downwards, two connecting rods on the end face of the flange are driven to rotate, the sliding block can be pushed when the connecting rods rotate, the tension spring is made to compress and deform to absorb energy generated when the filter basket vibrates, and the shock absorption effect is achieved. When the impact force that the filter screen basket received diminishes, extension spring resumes deformation and promotes two sliders to the direction that is close to each other, and the angle between two connecting rods diminishes this moment, and the filter screen basket is to the direction motion that is close to the barrel open-ended. The arrangement of the buffer assembly enables the filter basket and the filter bag to shake up and down while filtering, so that the filter bag and the filter basket are prevented from being damaged due to concentrated impact force;

2. after the filter bag is arranged in the filter cavity, the two pressing rods are held and slide in the direction close to the thin rod, when the pressing rods and the pressing plates extend into the filter bag, the action of force applied to the pressing rods is released, at the moment, the buffer springs recover elastic deformation to enable the pressing plates to be bounced to the inner wall of the filter bag, the filter bag is tightly pressed between the pressing plates and the side wall of the movable frame, and the filter bag is prevented from falling;

3. after liquid enters the cylinder body, the liquid firstly falls onto the guide rod and then flows down in a spiral mode along the spiral guide piece, and at the moment, the liquid can be flushed to all parts on the filter bag, so that the filter bag is prevented from being damaged due to overlarge impact force on the local position of the filter bag.

Drawings

FIG. 1 is a schematic view of the overall structure of a buffer type cloth bag filter according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a filter according to an embodiment of the present application;

FIG. 3 is a schematic view of a portion of the filter of the embodiment of the present application;

FIG. 4 is a schematic view of the embodiment of the present application highlighting the structure of the securing assembly;

fig. 5 is a partially enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a barrel; 11. a filter chamber; 2. a cylinder cover; 3. a support leg; 4. a feed pipe; 5. a discharge pipe; 6. a first sleeve; 7. a rotating arm; 8. a second sleeve; 9. a screw; 10. rotating the handle; 12. a filter basket; 13. convex edges; 14. flanging; 141. a fitting groove; 142. connecting sheets; 15. a filter bag; 16. a movable frame; 161. a tabling plate; 17. a fixing assembly; 171. a thin rod; 172. a support bar; 1721. fixing grooves; 1722. a buffer spring; 1723. a pressing rod; 173. pressing the plate; 1731. a rubber pad; 18. a flow guide assembly; 181. a guide rod; 182. a spiral flow deflector; 19. a buffer assembly; 191. a slide chamber; 192. a slide bar; 193. a slider; 194. an extension spring; 195. a connecting rod; 20. and (7) mounting the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses buffer type bag filter. Referring to fig. 1, the filter includes a cylindrical barrel 1 and a barrel cover 2 covering the upper part of the barrel 1, the barrel 1 is connected with the barrel cover 2 by flanges, and the lower end of the barrel 1 is fixedly provided with a support leg 3 for supporting the barrel 1. A feeding pipe 4 is fixedly arranged on the side wall of the barrel body 1, and a discharging pipe 5 is fixedly arranged at the lower end of the barrel body. A filter cavity 11 is formed in the barrel body 1, the upper end of the filter cavity 11 is communicated with the feeding pipe 4, and the lower end of the filter cavity is communicated with the discharging pipe 5. Liquid is poured into the barrel body 1 from the feeding pipe 4, filtered and then discharged from the discharging pipe 5.

Referring to fig. 1, a first sleeve 6 is fixedly arranged on the side wall of the barrel 1, and the axis of the first sleeve 6 is parallel to the axis of the barrel 1. An L-shaped rotating arm 7 is rotatably connected in the first sleeve 6, one end of the rotating arm 7 is positioned above the cylinder cover 2, and a second sleeve 8 with an axis parallel to the axis of the first sleeve 6 is fixedly arranged at the end part of the rotating arm 7. The second sleeve 8 is internally threaded with a screw rod 9, the screw rod 9 vertically extends downwards, and the end part of the screw rod is rotatably connected in the end cover. One end of the screw 9 far away from the cylinder cover 2 is fixedly provided with a rotating handle 10.

Referring to fig. 1, when the interior of the cylinder 1 needs to be maintained, the rotating handle 10 is held to rotate the screw 9, and the screw 9 rotates and simultaneously drives the cylinder cover 2 to ascend. When the cover 2 is separated from the cylinder 1, the rotating arm 7 is rotated to rotate the cover 2 to one side of the cylinder 1.

Referring to fig. 2, a filter basket 12 is inserted into the filter cavity 11, a protruding edge 13 is fixedly arranged on the inner wall of the filter cavity 11, and a flange 14 abutting against the protruding edge 13 is fixedly arranged at the opening position of the filter basket 12.

Referring to fig. 2 and 3, a filter bag 15 for filtering liquid is inserted into the filter basket 12. In order to fix the filter bag 15, an annular movable frame 16 is fixedly arranged at the outer edge of the filter bag 15, a fitting plate 161 is vertically and fixedly arranged on the lower end face of the movable frame 16, and a fitting groove 141 which is clamped with the fitting plate 161 is formed in the upper end face of the flange 14. The filter bag 15 can be mounted by inserting the fitting plate 161 into the fitting groove 141.

Referring to fig. 3 and 4, in order to further ensure the stability of the filter bag 15 during the filtering process, a fixing assembly 17 is connected inside the filter bag 15. The fixing component 17 includes a thin rod 171 erected on the upper end surface of the movable frame 16, and two sides of the thin rod 171 are vertically and fixedly provided with support rods 172. A fixing groove 1721 is formed in the support rod 172 along the length direction thereof, a horizontally arranged buffer spring 1722 is fixedly arranged in the fixing groove 1721, and a pressing rod 1723 slidably connected in the fixing groove 1721 is fixedly arranged at one end of the buffer spring 1722 far away from the thin rod 171. The other end of the pressing rod 1723 is fixedly provided with an arc pressing plate 173 attached to the inner wall of the movable frame 16.

Referring to fig. 3 and 4, after the movable frame 16 abuts against the flange 14, the abutting rod 1723 slides towards the direction of the thin rod 171, so that the two abutting plates 173 move towards the direction of approaching each other. When the thin rod 171 abuts against the upper end surface of the movable frame 16, the buffer spring 1722 springs the abutting plate 173 to the inner surface of the filter bag 15 under the action of the canceling force, so as to fix the filter bag 15 between the abutting plate 173 and the movable frame 16. In order to prevent the filter bag 15 from being damaged by too large extrusion force, a rubber pad 1731 is glued on the side surface of the pressing plate 173.

Referring to fig. 3 and 4, the liquid has a large flow velocity after entering the filter chamber 11, and in order to prevent the filter bag 15 from being damaged due to a large impact force on a part of the filter bag 15, a flow guide assembly 18 is connected in the filter bag 15. The flow guiding assembly 18 comprises a flow guiding rod 181 vertically fixed on the lower end surface of the thin rod 171, the end of the flow guiding rod 181 extends into the filter bag 15, and the outer annular surface is fixedly provided with a spiral flow guiding sheet 182 extending along the length direction of the flow guiding rod 181 and arranged obliquely.

Referring to fig. 3 and 4, after entering the filter bag 15, the liquid falls along the inclined surface of the spiral deflector 182, and then falls to various positions on the filter bag 15, so that the impact force applied to the filter bag 15 is uniform, and the filter bag 15 is prevented from being damaged.

Referring to fig. 2 and 5, in order to further improve the buffering effect on the filter bag 15, a buffering component 19 is arranged between the flanging 14 and the convex edge 13. Protruding stupefied 13 is four along the equidistant distribution of circumference of filter chamber 11, and buffering subassembly 19 is including seting up the smooth chamber 191 on every protruding stupefied 13, and smooth chamber 191 sets up to two and along protruding stupefied 13 width direction symmetric distribution. A horizontally arranged sliding rod 192 is fixedly arranged in the sliding cavity 191, a sliding block 193 is sleeved on the sliding rod 192 in a sliding mode, and an extension spring 194 sleeved on the sliding rod 192 is connected between the sliding block 193 and the end portion of the sliding cavity 191.

Referring to fig. 3 and 5, the lower end face of the turned-over edge 14 is fixedly provided with a mounting plate 20, the mounting plate 20 is hinged with two connecting rods 195 which are arranged in a staggered manner, and the end parts of the connecting rods 195 are hinged with the upper end faces of sliding blocks 193.

Referring to fig. 2 and 5, when the filter basket 12 and the filter bag 15 are impacted by liquid, they slide up and down under the action of pressure, the flange 14 moves to drive the connecting rod 195 to rotate to extrude the extension spring 194, and the extension spring 194 deforms to absorb the energy generated by shaking the filter basket 12, thereby achieving the effect of shock absorption.

Referring to fig. 3, in order to ensure the stability of the upward and downward shaking process of the turned-over edge 14, a vertical groove is formed in the inner wall of the filter chamber 11 above the convex edge 13, and a connecting piece 142 connected to the vertical groove in a sliding manner is fixedly arranged on the turned-over edge 14.

The implementation principle of the buffer type cloth bag filter in the embodiment of the application is as follows: first, the movable frame 16 is placed on the flange 14, and the fitting plate 161 is inserted into the fitting groove 141. Then, the pressing rod 1723 is pressed towards the direction close to the center of the thin rod 171, when the thin rod 171 is erected on the movable frame 16, the force applied on the pressing rod 1723 is removed, and the buffer spring 1722 ejects the pressing plate 173 to the inner wall of the filter bag 15 to fix the filter bag 15. Finally, liquid is added into the filter cavity 11 from the feeding pipe 4, the liquid flows to each position of the filter bag 15 along the inclined surface of the spiral flow deflector 182, meanwhile, the flanging 14 slides to drive the connecting rod 195 to rotate, and the impact on the filter screen basket 12 is buffered by the action of the extension spring 194. The liquid is filtered by the filter basket 12 and the filter bag 15 and then discharged from the discharge pipe 5.

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. A buffer type cloth bag filter comprises a cylinder body (1) and a cylinder cover (2) which is arranged above the cylinder body (1); a filter cavity (11) is formed in the cylinder body (1), and a filter basket (12) is inserted into the filter cavity (11); a filter bag (15) is inserted in the filter basket (12); the method is characterized in that: the inner wall of the filter cavity (11) is fixedly provided with a convex edge (13); a flange (14) erected on the convex edge (13) is fixedly arranged at the outer edge of the filter basket (12); a buffer component (19) is arranged between the convex edge (13) and the flanging (14); the buffer component (19) comprises two sliding cavities (191) symmetrically arranged in the convex edge (13); a sliding block (193) is connected in the sliding cavity (191) in a sliding mode; the sliding block (193) is connected with the end part of the sliding cavity (191) through an extension spring (194); two connecting rods (195) are hinged on the lower end face of the flanging (14); the end part of the connecting rod (195) is hinged on the upper end surface of the sliding block (193).

2. A buffer type cloth bag filter according to claim 1, wherein: a sliding rod (192) which is horizontally arranged is fixedly arranged in the sliding cavity (191); the extension spring (194) and the sliding block (193) are sleeved on the sliding rod (192); the sliding block (193) is connected with the sliding rod (192) in a sliding mode.

3. A buffer type cloth bag filter according to claim 1, wherein: a movable frame (16) is fixedly arranged at the outer edge of the filter bag (15); the lower end face of the movable frame (16) is fixedly provided with an embedded plate (161); the upper end face of the flanging (14) is provided with a tabling groove (141) which is in tabling connection with the tabling plate (161).

4. A buffer type cloth bag filter according to claim 3, wherein: a fixing component (17) is arranged at the opening position of the filter bag (15); the fixing component (17) comprises a thin rod (171) and supporting rods (172) which are vertically and fixedly provided with two sides of the thin rod (171); fixing grooves (1721) are formed in the two supporting rods (172); a pressing rod (1723) is connected in the fixing groove (1721) in a sliding manner; the end part of the abutting rod (1723) is connected with the bottom of the fixed groove (1721) through a buffer spring (1722); the other end of the pressure lever (1723) is fixedly provided with an arc-shaped pressure lever (173); the filter bag (15) is pressed between the pressing plate (173) and the movable frame (16).

5. A buffer type cloth bag filter according to claim 4, wherein: and a rubber pad (1731) is glued at one end of the pressing plate (173) far away from the pressing rod (1723).

6. A buffer type cloth bag filter according to claim 4, wherein: two ends of the thin rod (171) are abutted against the upper end face of the movable frame (16); the movable frame (16) is connected with a flow guide assembly (18); the flow guide assembly (18) comprises a flow guide rod (181) which is vertically and fixedly arranged on the thin rod (171) and the end part of which extends into the filter cavity (11); spiral guide vanes (182) are fixedly arranged on the outer annular surface of the guide rod (181) along the length direction of the guide rod.

7. A buffer type cloth bag filter according to claim 1, wherein: a vertical groove is vertically formed in the inner wall of the filter cavity (11) above the convex edge (13); and a connecting piece (142) which is connected in the vertical groove in a sliding manner is fixedly arranged on the flanging (14).

8. A buffer type cloth bag filter according to claim 1, wherein: a first sleeve (6) is fixedly arranged on the inner wall of the barrel body (1); a rotating arm (7) is rotationally connected in the first sleeve (6); the rotating arm (7) is bent, and a second sleeve (8) is fixedly arranged at one end above the cylinder cover (2); a screw rod (9) is connected with the inner thread of the second sleeve (8); the screw rod (9) vertically extends downwards, and the end part of the screw rod is rotatably connected into the cylinder cover (2).