CN210546831U

CN210546831U - Screw thread filter

Info

Publication number: CN210546831U
Application number: CN201921123734.3U
Authority: CN
Inventors: 唐杰卡; 方坤才
Original assignee: Shengao Valve Group Co ltd
Current assignee: Shengao Valve Group Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-05-19
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a screw thread filter, concretely relates to filtration equipment technical field, which comprises a housin, the one end of casing is equipped with the water inlet, the other end of casing is equipped with the delivery port, the middle part of casing is equipped with the filter chamber, the filter chamber inboard is equipped with a filter screen section of thick bamboo, the top surface fixed connection of the top of a filter screen section of thick bamboo and filter chamber, the bottom surface fixed connection of the bottom of a filter screen section of thick bamboo and filter chamber, the side sliding connection of filter chamber bottom has the shift ring. The utility model discloses a be equipped with and clean the rectangular block, when filter chamber internal pressure risees, the carriage release ring moves down, and the hosepipe moves the flabellum and rotates, makes to clean the impurity clean up of rectangular block on with the filter screen section of thick bamboo, and the impurity after the clearance is favorable to automatic clearance filter screen section of thick bamboo from the outside of managing the discharge filter outward, does not need the artificial clearance of dismantling, and the clearance is convenient, and the impurity after the clearance can discharge the outside of filter, can not accumulate.

Description

Screw thread filter

Technical Field

The utility model relates to a filtration equipment technical field, more specifically say, the utility model relates to a screw thread filter.

Background

The thread filter is a device used for eliminating impurities in media and protecting normal use of valves and equipment, when fluid enters a filter cylinder of the filter screen, the impurities are blocked, clean filtrate is discharged from a filter outlet, during cleaning, the detachable filter cylinder is taken out, and the filter cylinder is installed again after treatment, so that the thread filter is convenient to use and is an indispensable device on a medium conveying pipeline.

The hole on the filter screen section of thick bamboo can be stopped up to a large amount of impurity to the last a large amount of impurity of filter screen section of thick bamboo when filtering of current screw thread filter, and when the clearance, must artificially dismantle the screw thread filter, takes out the filter screen section of thick bamboo and washs and install again, and this kind of mode consumes the manpower, and the clearance is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a screw thread filter cleans the rectangular piece through being equipped with, when filter chamber internal pressure risees, the shift ring moves down, the hosepipe moves the flabellum and rotates, the messenger cleans the impurity clean up on the rectangular piece is with the filter screen section of thick bamboo, impurity after the clearance is from the outside of external pipe discharge filter, be favorable to automatic clearance filter screen section of thick bamboo, do not need the artificial clearance of dismantling, the clearance is convenient, and the impurity after the clearance can discharge the outside of filter, can not accumulate.

In order to achieve the above object, the utility model provides a following technical scheme: a screw thread filter comprises a shell, wherein a water inlet is formed in one end of the shell, a water outlet is formed in the other end of the shell, a filter cavity is formed in the middle of the shell, a filter screen cylinder is arranged on the inner side of the filter cavity, the top end of the filter screen cylinder is fixedly connected with the top surface of the filter cavity, the bottom end of the filter screen cylinder is fixedly connected with the bottom surface of the filter cavity, a moving ring is slidably connected to the side surface of the bottom end of the filter cavity, a round-angle rectangular block is slidably connected to the middle of the moving ring, a square pipe is rotatably connected to the middle of the round-angle rectangular block, first side cavities are formed in two sides of the round-angle rectangular block, baffle plates are slidably connected to two sides of the square pipe, one end of each baffle plate is located in the inner cavity of the square pipe, a first limiting block is connected to the other end of each baffle plate, one end of the first spring is fixedly connected with the side face of the round-corner rectangular block;

the top of side pipe is connected with the fixed axle, the top of fixed axle is connected with the flabellum, the both sides of flabellum top side all are connected with the connecting pipe, two the one end of connecting pipe all is connected with cleans the rectangular block, clean the rectangular block and include the rectangular block body, a plurality of rectangle mouth has been seted up to one side of rectangular block body, one side and the laminating of filter screen section of thick bamboo of rectangular block body.

In a preferred embodiment, the bottom end of the shell is connected with a base located below the filter cavity, the square tube penetrates through the base and extends to the position below the base, and the side face of the square tube is connected with a first gear located on the bottom face of the inner cavity of the base.

In a preferred embodiment, the bottom surface of the base inner cavity is rotatably connected with rotating shafts positioned at two sides of the first gear, the outer surface of each rotating shaft is connected with the second gear, the bottom surface of the base inner cavity is also rotatably connected with a gear ring, and the upper surface of the gear ring is connected with an inclined block.

In a preferred embodiment, the teeth of the first gearwheel are in meshing transmission with the teeth of a second gearwheel, which are in meshing transmission with the teeth of the ring gearwheel.

In a preferred embodiment, the second side chamber has been seted up to the side of base inner chamber, one side in second side chamber is connected with the second spring, the one end in second side chamber is connected with the second stopper, the surface of second stopper and the internal surface sliding connection in second side chamber, the bottom surface of second stopper is connected with the pin, the bottom of square pipe is connected with the external pipe.

In a preferred embodiment, the third spring is connected to both sides of the bottom surface of the moving ring, the adjusting block is slidably connected to both sides of the bottom surface of the base, and the top end of the adjusting block is fixedly connected with the bottom surface of the third spring.

In a preferred embodiment, a mounting frame is connected to the bottom surface of the base, a screw rod is rotatably connected to the bottom end of the mounting frame through threads, and a hand wheel is connected to the bottom end of the screw rod.

In a preferred embodiment, a top plate is connected to the top end of the screw rod, and the upper surface of the top plate is fixedly connected with the bottom surface of the third spring.

The utility model discloses a technological effect and advantage:

1. the cleaning long block is arranged, when the pressure in the filter cavity rises, the moving ring moves downwards, the water belt moves the fan blade to rotate, so that the cleaning long block can clean the impurities on the filter screen cylinder, the cleaned impurities are discharged out of the filter from an external pipe, the automatic cleaning of the filter screen cylinder is facilitated, manual disassembly and cleaning are not needed, the cleaning is convenient, and the cleaned impurities can be discharged out of the filter and cannot be accumulated;

2. the utility model discloses a be equipped with the regulating block, rotate the hand wheel, can adjust the pressure of third spring to the shift ring, be favorable to controlling the inside pressure of filter chamber, also be the maximum value of control impurity accumulation volume on a filter screen section of thick bamboo, when exceeding this volume, clean the impurity that the long block began to clear up on the filter screen section of thick bamboo, can clear up a filter screen section of thick bamboo according to impurity accumulation degree, make the structure more reasonable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a structure at a in fig. 1 according to the present invention.

Fig. 3 is an enlarged view of a structure at B in fig. 1 according to the present invention.

Fig. 4 is a schematic structural view of the long block cleaning device of the present invention.

Fig. 5 is an enlarged view of the structure at C in fig. 1 according to the present invention.

Fig. 6 is a partial schematic view of a cross-sectional view of the present invention.

The reference signs are: 1 shell, 11 water inlet, 12 water outlet, 13 filter cavity, 2 filter screen cylinder, 3 moving ring, 4 round corner rectangular block, 41 first side cavity, 42 baffle, 43 first limit block, 44 first spring, 5 square tube, 6 fixed shaft, 61 fan blade, 7 connecting tube, 8 cleaning long block, 81 long block, 82 rectangular opening, 9 first gear, 91 rotating shaft, 92 second gear, 93 gear ring, 94 inclined block, 100 second side cavity, 101 second spring, 102 second limit block, 103 stop lever, 110 external connecting tube, 120 third spring, 121 adjusting block, 130 mounting frame, 140 screw rod, 141 hand wheel, 150 top plate, 160 base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a screw thread filter, which comprises a shell 1, wherein one end of the shell 1 is provided with a water inlet 11, the other end of the shell 1 is provided with a water outlet 12, the middle part of the shell 1 is provided with a filter cavity 13, the inner side of the filter cavity 13 is provided with a filter screen cylinder 2, the top end of the filter screen cylinder 2 is fixedly connected with the top surface of the filter cavity 13, the bottom end of the filter screen cylinder 2 is fixedly connected with the bottom surface of the filter cavity 13, the side surface of the bottom end of the filter cavity 13 is slidably connected with a movable ring 3, the middle part of the movable ring 3 is slidably connected with a round-angle rectangular block 4, the middle part of the round-angle rectangular block 4 is rotatably connected with a square pipe 5, the two sides of the round-angle rectangular block 4 are both provided with first side cavities 41, the two sides of the square pipe 5 are both slidably connected with a baffle plate 42, one end, the first limiting block 43 is located inside the first side cavity 41, one side of the first limiting block 43 is connected with a first spring 44, one end of the first spring 44 is fixedly connected with the side surface of the round-corner rectangular block 4, the top end of the square tube 5 is connected with a fixing shaft 6, the top end of the fixing shaft 6 is connected with a fan blade 61, two sides of the top side surface of the fan blade 61 are both connected with connecting tubes 7, one end of each of the two connecting tubes 7 is connected with a cleaning long block 8, the cleaning long block 8 comprises a long block body 81, one side of the long block body 81 is provided with a plurality of rectangular openings 82, one side of the long block body 81 is attached to the filter screen cylinder 2, the bottom end of the shell 1 is connected with a base 160 located below the filter cavity 13, the square tube 5 penetrates through the base 160 and extends to the lower side of the base 160, and the side surface of the square, the bottom surface of the inner cavity of the base 160 is rotatably connected with a rotating shaft 91 positioned at two sides of the first gear 9, the outer surface of the rotating shaft 91 is connected with a second gear 92, the bottom surface of the inner cavity of the base 160 is further rotatably connected with a gear ring 93, the upper surface of the gear ring 93 is connected with an inclined block 94, the gear teeth of the first gear 9 are in meshing transmission with the gear teeth of the second gear 92, the gear teeth of the second gear 92 are in meshing transmission with the gear teeth of the gear ring 93, the side surface of the inner cavity of the base 160 is provided with a second side cavity 100, one side of the second side cavity 100 is connected with a second spring 101, one end of the second side cavity 100 is connected with a second limiting block 102, the outer surface of the second limiting block 102 is in sliding connection with the inner surface of the second side cavity 100, the bottom surface of the second limiting block 102 is connected with a stop lever 103, the bottom end of the square tube, two sides of the bottom surface of the base 160 are slidably connected with adjusting blocks 121, and the top ends of the adjusting blocks 121 are fixedly connected with the bottom surface of the third spring 120.

As shown in fig. 1 to 6, the embodiment specifically is as follows: the water injected from the water inlet 11 is filtered by the filter screen cylinder 2 and then flows out from the water outlet 12, the filtered impurities are left in the filter screen cylinder 2, when the initial position is reached, the round-angle rectangular block 4 is positioned at the inner side of the movable ring 3, so the round-angle rectangular block 4 and the square pipe 5 can not rotate, when the internal pressure of the filter cavity 13 is increased to a preset value, the water extrudes the movable ring 3 to move downwards, when the movable ring 3 moves to the bottom of the second limit block 102 and is fixed by the second limit block 102, the first limit block 43 drives the baffle plate 42 to move towards two sides under the action of the elastic force of the first spring 44, so that the internal part of the square pipe 5 is communicated with the external environment, the round-angle rectangular block 4 is also separated from the movable ring 3, so that the round-angle rectangular block 4 and the square pipe 5 can rotate, at the moment, the flowing of the water drives the fan blades 61 and the fixed shaft 6 to, cleaning the long block 8 to clean the impurities on the surface of the filter screen cylinder 2, the cleaned impurities flow into the square tube 5 through the rectangular opening 82 and the connecting pipe 7, and then flow into the local environment through the square tube 5, when the square tube 5 rotates, the square tube 5 drives the second gear 92 to rotate, so that the second gear 92 drives the gear ring 93 to rotate and the inclined block 94 to rotate, after the inclined block 94 rotates to one side of the stop lever 103, the stop lever 103 is pushed, so that the stop lever 103 drives the second limit block 102 to move towards the inner side of the second side cavity 100, so that the moving ring 3 is separated from the second limit block 102, and because the square tube 5 rotates, the cleaning long block 8 cleans the impurities on the surface of the filter screen cylinder 2, the internal pressure of the filter cavity 13 drops, due to the elastic force of the third spring 120, the moving ring 3 is pushed to move upwards, the moving ring 3 pushes the first limit block 43 to move towards the middle, so that the baffle 42 blocks the interior of the square tube 5, and fillet rectangle piece 4 gets into the inboard of shift ring 3, makes square pipe 5 can not rotate, accomplishes whole clearance process promptly, is favorable to automatic clearance filter screen section of thick bamboo 2, does not need artificial dismantlement clearance, and the clearance is convenient, and the impurity after the clearance can discharge the outside of filter, can not accumulate.

The bottom surface of the base 160 is connected with an installation frame 130, the bottom end of the installation frame 130 is rotatably connected with a screw rod 140 through threads, the bottom end of the screw rod 140 is connected with a hand wheel 141, the top end of the screw rod 140 is connected with a top plate 150, and the upper surface of the top plate 150 is fixedly connected with the bottom surface of the third spring 120;

as shown in fig. 1 and fig. 6, the embodiment specifically includes: when the pressure between the third spring 120 and the moving ring 3 is adjusted, the hand wheel 141 is rotated clockwise or counterclockwise, the hand wheel 141 drives the screw rod 140 to rotate, the screw rod 140 drives the top plate 150 and the adjusting block 121 to move upwards or downwards, so as to adjust the pressure of the third spring 120 on the moving ring 3, the pressure in the filter cavity 13 rises to a preset value, the moving ring 3 moves downwards, the inner surface of the filter screen cylinder 2 starts to be cleaned, namely the maximum value of the accumulated amount of impurities accumulated on the filter screen cylinder 2 is controlled, after the impurities block the meshes of the filter screen cylinder 2, the pressure in the filter cavity 13 rises under the condition that the flow is not changed, when the impurities are excessive, the pressure reaches the preset value, the cleaning long block 8 starts to clean the impurities on the filter screen cylinder 2, namely, the filter screen cylinder 2 can be cleaned according to the accumulated amount of the impurities, and the structure is more reasonable.

The utility model discloses the theory of operation:

referring to the attached drawings 1-6 of the specification, after water injected from a water inlet 11 is filtered by a filter screen cylinder 2, the water flows out from a water outlet 12, and the filtered impurities are left in the filter screen cylinder 2, when the initial position is reached, because a round-corner rectangular block 4 is positioned at the inner side of a movable ring 3, the round-corner rectangular block 4 and a square pipe 5 cannot rotate, when the internal pressure of a filter cavity 13 is increased to a preset value, the movable ring 3 is extruded by the water to move downwards, when a second limit block 102 is fixed, a first limit block 43 drives a baffle plate 42 to move towards two sides under the action of the elastic force of a first spring 44, so that the internal part of the square pipe 5 is communicated with the external environment, and the round-corner rectangular block 4 is also separated from the movable ring 3, so that the round-corner rectangular block 4 and the square pipe 5 can rotate, at the moment, the flow of the water drives a fan blade 61 and the fixed, the cleaned impurities flow into the local environment through the square pipe 5 through the rectangular opening 82 and the connecting pipe 7, the square pipe 5 rotates to enable the second gear 92, the gear ring 93 and the inclined block 94 to rotate, the inclined block 94 pushes the stop lever 103 after rotating to one side of the stop lever 103 to enable the second stop block 102 to move towards the inner side of the second side cavity 100, the moving ring 3 is separated from the second stop block 102, the cleaning long block 8 cleans the impurities on the surface of the filter screen cylinder 2 in the rotating process of the square pipe 5, the pressure in the filter cavity 13 is reduced, the moving ring 3 is pushed to move upwards under the action of the elastic force of the third spring 120, the moving ring 3 pushes the first stop block 43 to move towards the middle, the baffle 42 blocks the inner part of the square pipe 5, and the fillet rectangular block 4 enters the inner side of the moving ring 3 to enable the square pipe 5 not to rotate, and the whole cleaning process is completed;

further, referring to fig. 1 and fig. 6 of the specification, when the pressure between the third spring 120 and the moving ring 3 is adjusted, the hand wheel 141 is rotated clockwise or counterclockwise, so that the screw 140 drives the top plate 150 and the adjusting block 121 to move upward or downward, so as to adjust the pressure of the third spring 120 on the moving ring 3, when the internal pressure of the filter chamber 13 rises to a predetermined value, the moving ring 3 moves downward, and starts to clean the inner surface of the filter cylinder 2, that is, the maximum value of the accumulated amount of impurities accumulated on the filter cylinder 2 is controlled, after the impurities block the meshes of the filter cylinder 2, the internal pressure of the filter chamber 13 rises under the condition that the flow rate is not changed, and when the impurities are excessive, the pressure reaches the predetermined value, and the cleaning long block 8 starts to clean the impurities on the filter cylinder 2.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a screw thread filter, includes casing (1), the one end of casing (1) is equipped with water inlet (11), the other end of casing (1) is equipped with delivery port (12), the middle part of casing (1) is equipped with filter chamber (13), its characterized in that: the filter screen is characterized in that a filter screen cylinder (2) is arranged on the inner side of the filter cavity (13), the top end of the filter screen cylinder (2) is fixedly connected with the top surface of the filter cavity (13), the bottom end of the filter screen cylinder (2) is fixedly connected with the bottom surface of the filter cavity (13), the side surface of the bottom end of the filter cavity (13) is slidably connected with a moving ring (3), the middle part of the moving ring (3) is slidably connected with a round-corner rectangular block (4), the middle part of the round-corner rectangular block (4) is rotatably connected with a square pipe (5), first side cavities (41) are respectively arranged on the two sides of the round-corner rectangular block (4), baffles (42) are respectively slidably connected with the two sides of the square pipe (5), one end of each baffle (42) is positioned in the inner cavity of the square pipe (5), the other end of each baffle (42) is connected with a first limiting block (43), and the, one side of the first limiting block (43) is connected with a first spring (44), and one end of the first spring (44) is fixedly connected with the side face of the round-corner rectangular block (4);

the top of side pipe (5) is connected with fixed axle (6), the top of fixed axle (6) is connected with flabellum (61), the both sides of flabellum (61) top side all are connected with connecting pipe (7), two the one end of connecting pipe (7) all is connected with cleans long piece (8), clean long piece (8) including long piece body (81), a plurality of rectangle mouth (82) have been seted up to one side of long piece body (81), one side and the laminating of filter screen section of thick bamboo (2) of long piece body (81).

2. A threaded filter according to claim 1 wherein: the bottom of casing (1) is connected with base (160) that are located filter chamber (13) below, square pipe (5) run through base (160) and extend to the below of base (160), the side of square pipe (5) is connected with first gear (9) that are located base (160) inner chamber bottom surface.

3. A threaded filter according to claim 2 wherein: the bottom surface of base (160) inner chamber is rotated and is connected with pivot (91) that are located first gear (9) both sides, my surface of pivot (91) is connected with second gear (92), the bottom surface of base (160) inner chamber still rotates and is connected with ring gear (93), the last expression of ring gear (93) is connected with sloping block (94).

4. A threaded filter according to claim 3 wherein: the gear teeth of the first gear (9) are in meshing transmission with the gear teeth of the second gear (92), and the gear teeth of the second gear (92) are in meshing transmission with the gear teeth of the gear ring (93).

5. A threaded filter according to claim 2 wherein: second side chamber (100) have been seted up to the side of base (160) inner chamber, one side in second side chamber (100) is connected with second spring (101), the one end in second side chamber (100) is connected with second stopper (102), the surface of second stopper (102) and the internal surface sliding connection in second side chamber (100), the bottom surface of second stopper (102) is connected with pin (103), the bottom of square pipe (5) is connected with outer takeover (110).

6. A threaded filter according to claim 2 wherein: the both sides of removal ring (3) bottom surface all are connected with third spring (120), the both sides sliding connection of base (160) bottom surface has regulating block (121), the top of regulating block (121) and the bottom surface fixed connection of third spring (120).

7. A threaded filter according to claim 2 wherein: the bottom surface of base (160) is connected with installing frame (130), the bottom of installing frame (130) is connected with screw rod (140) through the screw thread rotation, the bottom of screw rod (140) is connected with hand wheel (141).

8. A threaded filter according to claim 7 wherein: the top end of the screw rod (140) is connected with a top plate (150), and the upper surface of the top plate (150) is fixedly connected with the bottom surface of the third spring (120).