CN211133224U

CN211133224U - Outer cover of folding type front filter element

Info

Publication number: CN211133224U
Application number: CN201921998760.0U
Authority: CN
Inventors: 莫学刚; 任宏昌; 史国军; 储丽丽
Original assignee: Zhenjiang Qinyuan Power Equipment Co ltd
Current assignee: Zhenjiang Qinyuan Power Equipment Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-31
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses an outer cover of foldable leading filter core, including the shroud and the cover body, the shroud cup joints the cover body through helicitic texture, inlet tube and outlet pipe are cup jointed respectively at the shroud both ends, the shroud inner chamber is opened there are water inlet and delivery port, the shroud inner chamber of delivery port department is opened there is the ladder groove, ladder inslot joint filter core seat of honour, the filter core seat of honour is opened has the intercommunication mouth of intercommunication delivery port, filter core seat of honour bottom joint lamination filter core, the bottom joint filter core base of lamination filter core, install a plurality of springs between the bottom of cover body bottom inner wall and filter core base, install the lock sleeve between the outer wall of the cover body and the shroud. The cover body and the shroud pass through threaded connection for the cover body can with cover body separation, be convenient for change the lamination filter core, the lamination filter core carries out location joint through filter core seat of honour and filter core base, ensures that the filter core changes the back mounted position accurate, carries out spacing locking through the locking cover between the cover body and the shroud, ensures that the screw thread structure between the cover body and the shroud can not take place not hard up, guarantees the leakproofness of filter.

Description

Outer cover of folding type front filter element

Technical Field

The utility model relates to a leading filter technical field specifically is a cover of foldable leading filter core.

Background

One of the prefilters in the pleated prefilter is a thin specific plastic lamination with a large number of micron-sized grooves engraved on both sides, when a string of equivalent mode laminations are pressed on a specially designed inner support and are tightly pressed by a spring and liquid pressure, the grooves between the laminations are crossed to form a series of filter units of about 100 microns, the outer cover of the pleated prefilter is usually sealed and is not provided with a sewage discharge port, and the filter element is backwashed by controlling water flow through a control valve to remove impurities on the laminations, but the impurities are generally not thoroughly washed, but the outer cover of the current pleated filter is difficult to disassemble, so that the filter element is difficult to replace, and a new prefilter needs to be replaced after a period of use, so we propose an outer cover of the pleated prefilter filter element to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an dustcoat of foldable leading filter core to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cover of foldable leading filter core, includes shroud and the cover body, the shroud cup joints the open end outer wall at the cover body through helicitic texture, the shroud both ends are fixed respectively and cup joint inlet tube and outlet pipe, open the shroud inner chamber outside has the water inlet, open at the inner chamber middle part of shroud has the delivery port, water inlet and delivery port communicate inlet tube and outlet pipe respectively, the shroud inner chamber of delivery port department is opened has the ladder groove, the inseparable joint filter core upper bracket in the ladder groove, open at filter core upper bracket middle part has the intercommunication mouth that communicates the delivery port, the inseparable joint lamination filter core's in filter core upper bracket bottom top, the inseparable joint filter core base in bottom of lamination filter core, the fixed section of thick bamboo of inner chamber bottom fixed mounting of the cover body, slide guide block in the fixed section of thick bamboo joint, guide block top fixed connection filter core base, install a plurality of springs between the cover, and a locking sleeve is arranged between the outer wall of the cover body and the cover cap.

Preferably, the water inlet is opposite to a cavity between the outer wall of the laminated filter element and the inner wall of the cover body, the axes of the filter element upper seat, the laminated filter element and the filter element base are coincided with the axis of the cover body, and the communication port is opposite to the inner cavity of the laminated filter element.

Preferably, the top of filter core seat of honour is the echelonment cylinder structure in laminating ladder groove, and the fixed embedded a plurality of O type sealing washer of having of top outer wall of filter core seat of honour, the inner wall in the ladder groove is closely laminated to O type sealing washer, the bottom outer wall of filter core seat of honour is big-end-up's round platform column structure.

Preferably, the spring is evenly distributed along the circumferencial direction of the inner chamber bottom of the cover body, and the equal fixed mounting in bottom outer wall of filter core base and the inner chamber bottom of the cover body has the fixed block, and the fixed cup joint in both ends of spring is on the fixed block.

Preferably, the locking cover is including solid fixed ring and the cover body, solid fixed ring is cup jointed to the lower part outer wall of the cover body, the cover body is cup jointed in the slip of the cover body outside, just gu the inner wall of the cover body of the outer wall of solid fixed ring closely laminating, cup joint the pressure spring on the cover body at solid fixed ring top, and the solid fixed ring top of one end fixed connection of pressure spring, the bottom of the other end fixed connection clamp ring of pressure spring, the inner wall fixed mounting slip ring of the cover body, the top of clamp ring is rotated and is cup jointed a plurality of balls, the ball closely presses on the slip ring, the cover body outer wall fixed mounting on slip ring upper portion has the locking lever, the outer wall of the cover body is opened there is the guide way, the locking lever slip joint is in the guide way, set body.

preferably, the pressure spring is in a compression state all the time, the guide groove is of an inverted L-shaped structure, and the clamping groove is of a U-shaped structure.

compared with the prior art, the utility model has the beneficial effects that the cover body and the shroud are connected through screw thread, thereby the cover body can be separated from the cover body, the filter element is convenient to replace, the lamination filter element is positioned and clamped through the upper filter element seat and the filter element base, the accurate installation position after the filter element is replaced is ensured, the filter element is convenient to replace, the lower pull-down sleeve body enables the stop rod to slide to the horizontal end of the guide groove, the sleeve body is rotated, the sliding ring rotates through the ball, the locking rod slides into the L-shaped horizontal end of the guide groove, the sleeve body is fixed at the lower part of the cover body, then the open end of the cover body is exposed, the connection or separation of the cover body and the shroud is convenient, the filter element is convenient to replace, after the filter element is replaced, the sleeve body is rotated to enable the stop rod to slide to the vertical end from the horizontal end of the guide groove, the sleeve body is loosened, the elasticity of the pressure spring pushes the sleeve.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the sheath body of the present invention;

Fig. 4 is a schematic view of the structure of the filter element upper seat of the present invention.

In the figure: the filter element comprises a cover cap 1, a cover body 2, a water inlet pipe 3, a water outlet pipe 4, a locking sleeve 5, a fixing ring 51, a sleeve body 52, a pressure spring 53, a compression ring 54, a ball 55, a sliding ring 56, a stop rod 57, a guide groove 58, a water inlet 6, a water outlet 7, a stepped groove 8, a filter element upper seat 9, a communication port 10, a laminated filter element 11, a filter element base 12, a guide block 13, a fixing barrel 14, a spring 15 and a clamping groove 16.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a cover of a folding type pre-filter element comprises a cover cap 1 and a cover body 2, the cover cap 1 is sleeved on the outer wall of an opening end of the cover body 2 through a thread structure, two ends of the cover cap 1 are respectively fixedly sleeved with a water inlet pipe 3 and a water outlet pipe 4, the outer side of an inner cavity of the cover cap 1 is provided with a water inlet 6, the middle part of the inner cavity of the cover cap 1 is provided with a water outlet 7, the water inlet 6 and the water outlet 7 are respectively communicated with the water inlet pipe 3 and the water outlet pipe 4, the inner cavity of the cover cap 1 at the position of the water outlet 7 is provided with a step groove 8, a filter element upper seat 9 is tightly clamped in the step groove 8, the middle part of the filter element upper seat 9 is provided with a communication port 10 communicated with the water outlet 7, the bottom of the filter element upper seat 9 is tightly clamped at the top of a laminated filter element 11, a plurality of springs 15 are arranged between the inner wall of the cover body 2 outside the fixed sleeve 14 and the bottom of the filter element base 12, and a locking sleeve 5 is arranged between the outer wall of the cover body 2 and the cover cap 1. The cover body 2 and shroud 1 pass through threaded connection, thereby make the cover body 2 can separate with shroud 1, be convenient for change new lamination filter core 11, and lamination filter core 11 carries out the joint through filter core base 12 and filter core seat of honour 9 and fixes, ensure that the mounted position of lamination filter core 11 is accurate, and 9 joint ladder grooves 8 of filter core seat of honour, and communicate the delivery port through intercommunication mouth 10, thereby be convenient for the rivers circulation, cover body 2 and shroud 1 carry out spacing locking through locking collar 5 within a definite time, the screw thread structure between the cover body 2 and shroud 1 can not take place to become flexible when guaranteeing the filter to use, ensure the leakproofness between the cover body 2 and shroud 1.

The water inlet 6 is just to the outer wall of lamination filter core 11 and the cavity between the cover body 2 inner wall, filter core upper seat 9, the axis of lamination filter core 11 and filter core base 12 all coincides with the axis of the cover body 2, the intercommunication mouth 10 is just to the inner chamber of lamination filter core 11, then rivers flow in the outer wall of lamination filter core 11 and the cavity between the cover body 2 inner wall through inlet tube 3 and water inlet 6, water pressure and spring 15 make filter core base 12 compress tightly lamination filter core 11, rivers filter through the outer wall flow direction inner chamber of lamination filter core 11, then flow in outlet pipe 4 through intercommunication mouth 10 and delivery port 7.

The top of filter core upper seat 9 is the echelonment cylinder structure of laminating ladder groove 8, and the fixed embedded a plurality of O type sealing washer of top outer wall of filter core upper seat 9, the inner wall of O type sealing washer closely laminating ladder groove 8, then make the inseparable joint of filter core upper seat 9 and ladder groove 8 through O type sealing washer, ensure the leakproofness, make rivers can only follow the outer wall flow direction inner chamber of lamination filter core 11, the bottom outer wall of filter core upper seat 9 is big-end-up's round platform column structure, then when 9 joint lamination filter cores 11 of filter core upper seat, the round platform column outer wall of filter core upper seat 9 can not block water inlet 6, the rivers of being convenient for flow in.

Spring 15 is along the circumferencial direction evenly distributed of the inner chamber bottom of the cover body 2, and the equal fixed mounting in bottom outer wall of filter core base 12 and the inner chamber bottom of the cover body 2 has the fixed block, and the fixed cup joint in both ends of spring 15 is on the fixed block.

the locking sleeve 5 comprises a fixing ring 51 and a sleeve body 52, the lower outer wall of the cover body 2 is fixedly sleeved with the fixing ring 51, the outer side of the cover body 2 is slidably sleeved with the sleeve body 52, the outer wall of the fixing ring 51 is tightly attached to the inner wall of the sleeve body 52, the pressure spring 53 is sleeved on the cover body 2 at the top of the fixing ring 51, one end of the pressure spring 53 is fixedly connected to the top of the fixing ring 51, the other end of the pressure spring 53 is fixedly connected to the bottom of the pressure ring 54, the inner wall of the sleeve body 52 is fixedly provided with a sliding ring 56, the top of the pressure ring 54 is rotatably sleeved with a plurality of balls 55, the balls 55 are tightly pressed on the sliding ring 56, the outer wall of the cover body 2 at the upper part of the sliding ring 56 is fixedly provided with a stop rod 57, the outer wall of the sleeve body 52 is provided with a guide groove L, the stop rod 57 is slidably clamped in the guide groove L, the two sides of the top of the sleeve body 52 are provided with a clamping groove 16, the clamping groove 16 is tightly clamped with a water inlet pipe 3 and a water outlet pipe 4, the locking rod 53 is always in a compressed state, the guide groove L, the locking rod cover body is fixedly connected to the cover body 2, the filter can not be replaced by the cover 2, the cover body 2, the filter, the cover 2, the cover body 2, the filter.

the working principle of the utility model is that, when the utility model is used, the cover body 52 is pulled down, the pressure spring 53 is further compressed, the clamping groove 16 is separated from the water inlet pipe 3 and the water outlet pipe 4, the locking rod 57 slides to the horizontal end from the vertical end of the guide groove 58 at the moment, the cover body 52 is rotated at the moment, the sliding ring 56 rotates through the ball 55, the locking rod 57 slides into the L-shaped horizontal end of the guide groove 58, thereby the cover body 52 is fixed at the lower part of the cover body 2, the cover body 2 can be rotated to be detached from the cover cap 1 at the moment, the laminated filter element 11 is separated from the upper filter seat 9, the old laminated filter element 11 is taken down, the new laminated filter element 11 is clamped into the filter element base 12 to be positioned, the cover body 2 and the cover cap 1 are screwed up with the screw thread, the top of the laminated filter element is clamped on the upper seat 9 to complete the filter element replacement, then the cover body 52 is rotated to make the locking rod 57 slide to the vertical end from the guide groove 58, the cover body 52 is loosened, the elasticity of the pressure spring 53 pushes the cover body 52 to slide, the cover body 52, the clamping groove 16 is clamped on the water inlet pipe 3 and the water inlet pipe 4, then the cover body 2 can not rotate relatively, the cover body 2 and the cover body can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A housing for a pleated pre-filter cartridge comprising a cover (1) and a housing body (2), characterized in that: shroud (1) cup joints the open end outer wall at the cover body (2) through helicitic texture, shroud (1) both ends are fixed cup joint inlet tube (3) and outlet pipe (4) respectively, shroud (1) inner chamber outside is opened there is water inlet (6), open at the inner chamber middle part of shroud (1) has delivery port (7), water inlet (6) and delivery port (7) communicate inlet tube (3) and outlet pipe (4) respectively, open shroud (1) inner chamber of delivery port (7) department has ladder groove (8), inseparable joint filter core upper bracket (9) in ladder groove (8), open at filter core upper bracket (9) middle part has intercommunication mouth (10) of intercommunication delivery port (7), the top of inseparable joint lamination filter core (11) in filter core upper bracket (9) bottom, the inseparable joint filter core base (12) in bottom of lamination filter core (11), the inner chamber bottom fixed mounting of the cover body (2) fixes a section of thick bamboo (14), slip joint guide block (13) in fixed cylinder (14), guide block (13) top fixed connection filter core base (12), install a plurality of springs (15) between the bottom of the cover body (2) inner wall in the fixed cylinder (14) outside and filter core base (12), installation locking cover (5) between the outer wall of the cover body (2) and shroud (1).

2. A housing for a pleated pre-filter cartridge as defined in claim 1, wherein: the water inlet (6) is just to the cavity between the outer wall of the lamination filter element (11) and the inner wall of the cover body (2), the axes of the filter element upper seat (9), the lamination filter element (11) and the filter element base (12) are all coincided with the axis of the cover body (2), and the communication port (10) is just to the inner cavity of the lamination filter element (11).

3. A housing for a pleated pre-filter cartridge as defined in claim 1, wherein: the top of filter core seat of honour (9) is the echelonment cylinder structure of laminating ladder groove (8), and the fixed embedded a plurality of O type sealing washers that have of top outer wall of filter core seat of honour (9), the inner wall of ladder groove (8) is closely laminated to O type sealing washer, the bottom outer wall of filter core seat of honour (9) is big-end-up's round platform column structure.

4. A housing for a pleated pre-filter cartridge as defined in claim 1, wherein: spring (15) are along the circumferencial direction evenly distributed of the inner chamber bottom of the cover body (2), and the equal fixed mounting in bottom outer wall of filter core base (12) and the inner chamber bottom of the cover body (2) has the fixed block, and the both ends of spring (15) are fixed the cup joint on the fixed block.

5. A housing for a pleated pre-filter cartridge as defined in claim 1, wherein: the locking sleeve (5) comprises a fixing ring (51) and a sleeve body (52), the lower outer wall of the sleeve body (2) is fixedly sleeved with the fixing ring (51), the outer side of the sleeve body (2) slides to be sleeved with the sleeve body (52), the outer wall of the fixing ring (51) is tightly attached to the inner wall of the sleeve body (52), the sleeve body (2) at the top of the fixing ring (51) is sleeved with a pressure spring (53), the top of the one end of the pressure spring (53) is fixedly connected with a fixing ring (51), the bottom of the other end of the pressure spring (53) is fixedly connected with a compression ring (54), the inner wall of the sleeve body (52) is fixedly provided with a sliding ring (56), the top of the compression ring (54) is rotated to be sleeved with a plurality of balls (55), the balls (55) are tightly pressed on the sliding ring (56), a stop rod (57) is fixedly arranged on the outer wall of the sleeve body (2) at the upper, stop lever (57) slip joint is in guide way (58), cover body (52) top both sides are opened has draw-in groove (16), inlet tube (3) and outlet pipe (4) are closely blocked in draw-in groove (16).

6. A housing for a collapsible pre-filter cartridge as claimed in claim 5, characterised in that the compression spring (53) is always in compression, the guide slot (58) is of inverted L configuration and the catch (16) is of U configuration.