CN111214886A

CN111214886A - Opening and closing locking mechanism of front filter

Info

Publication number: CN111214886A
Application number: CN202010172734.3A
Authority: CN
Inventors: 丁建峰; 王贵; 齐玉龙; 朱香玉; 王涛; 汪立伟
Original assignee: Anhui Fuda Electromechanical Technology Co Ltd
Current assignee: Anhui Fuda Electromechanical Technology Co Ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-06-02

Abstract

The invention discloses an opening and closing locking mechanism of a pre-filter, which comprises an upper cover and a water distribution cover, wherein the water distribution cover is arranged in the upper cover, hinged shafts are arranged on two sides of the water distribution cover, the hinged shafts extend out of the upper cover, handle sleeves are rotatably arranged on the hinged shafts, hooks are arranged on two sides below the handle sleeves, a filter cartridge is arranged at the lower position of the water distribution cover, a balance ring is arranged at the upper end of the side wall of the filter cartridge, a clamping block matched with the hooks is arranged on the balance ring, a knob is rotatably arranged at one end of the upper cover, a fixing cap is arranged on the knob, and a plug valve is arranged in the water distribution cover; according to the invention, the hook on the handle sleeve is matched with the clamping block on the balance ring of the filter cylinder, and the handle sleeve is rotated to release the hook and fix the clamping block, so that the filter cylinder can be detached to be withdrawn from the sealing state of the whole filter, and the filter element is convenient to replace.

Description

Opening and closing locking mechanism of front filter

Technical Field

The invention relates to the technical field of filters, in particular to an opening and closing locking mechanism of a front filter.

Background

The filter is an indispensable device on a medium conveying pipeline, is usually arranged at the inlet end of other equipment such as a pressure reducing valve, a pressure release valve, a constant water level valve and the like, and is mainly used for blocking impurities in the conveying medium to achieve the purpose of purification;

in the prior art, a filter cartridge is usually installed by utilizing thread fixing to install a filter cartridge, the replacement is time-consuming, and when the filter cartridge of the conventional filter is replaced, whether a valve is closed or not cannot be determined, and sometimes, water flow is splashed out to cause troubles.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide an opening and closing locking mechanism for a pre-filter, in which a hook on a handle cover is engaged with a fixture block on a balance ring of a filter cartridge, and the handle cover is rotated to release the hook and fix the fixture block, so that the filter cartridge can be removed and withdrawn from the sealing state of the entire filter, thereby facilitating the replacement of a filter element.

In order to realize the purpose of the invention, the invention is realized by the following technical scheme: the utility model provides a locking mechanical system that opens and shuts of leading filter, includes upper shield and the cover that divides water, the inside of upper shield is equipped with the cover that divides water, and the both sides of dividing the cover that all are equipped with the articulated shaft, the articulated shaft extends the upper shield, and rotate on the articulated shaft and install the handle cover, the both sides of handle cover below all are equipped with the couple, the below position department of dividing the cover installs and strains a section of thick bamboo, and the upper end of straining a section of thick bamboo lateral wall is equipped with balanced circle, balanced circle be equipped with the fixture block of couple looks adaptation, the one end of upper shield is rotated and is installed the knob, and is equipped with the locking cap on the knob, it is.

The further improvement lies in that: the plug valve comprises a plug valve cover and a plug valve casing, wherein the plug valve cover is fixed with the water diversion cover through a bolt, the plug valve casing is arranged on one side of the plug valve cover, and a plug valve core is arranged inside the plug valve casing.

The further improvement lies in that: the plug valve core is connected with the fixing cap through the fixing core, and the knob rotates to adjust the plug valve core to control the on-off of the plug valve.

The further improvement lies in that: an interlocking cabin is arranged below one side of the upper cover and is matched with the knob, an interlocking pressing plate is arranged inside the interlocking cabin, and an interlocking buckle is movably arranged on the interlocking pressing plate through a spring.

The further improvement lies in that: the upper end and the lower end of the interlocking cabin are both provided with through holes, and the upper end and the lower end of the interlocking buckle movably penetrate through the through holes.

The further improvement lies in that: the handle is arranged below one end of the handle sleeve, a clamping groove is formed in the top of the handle, and the clamping groove is matched with the lower end of the interlocking buckle.

The invention has the beneficial effects that: according to the invention, the hook on the handle sleeve is matched with the clamping block on the balance ring of the filter cylinder, the handle sleeve is rotated to release the hook and fix the clamping block, so that the filter cylinder can be detached to exit from the sealing state of the whole filter, the filter element is convenient to replace, and through the arrangement of the interlocking cabin, when the knob is rotated downwards, the plug valve is opened due to the connection of the fixing cap and the plug valve core of the plug valve, the knob compresses the interlocking cabin, the interlocking buckle is clamped into the clamping groove, the handle is locked, the handle sleeve cannot be rotated to detach the filter cylinder at this time, when the knob is rotated upwards, the plug valve is closed through rotating the plug valve core, the interlocking buckle is reset upwards under the action of the spring at this time, the locking of the clamping groove is removed, at this time, the handle sleeve can be rotated to replace.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic illustration of the present invention in broken away form;

FIG. 3 is a schematic view of the attachment of the stationary core of the present invention;

FIG. 4 is a schematic view of the upper housing of the present invention;

FIG. 5 is a schematic view of an interlocking buckle of the present invention;

fig. 6 is a schematic view of a card slot of the present invention.

Wherein: 1. an upper cover; 2. a water diversion cover; 3. hinging a shaft; 4. a handle cover; 5. hooking; 6. a filter cartridge; 7. a balance ring; 8. a clamping block; 9. a knob; 10. a fixing cap; 11. a cock valve cover; 12. a plug valve housing; 13. fixing the core; 14. an interlock bin; 15. interlocking the press plates; 16. a spring; 17. interlocking buckles; 18. a handle; 19. a clamping groove.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

According to fig. 1, 2, 3, 4, 5, and 6, the embodiment provides an opening and closing locking mechanism for a pre-filter, which includes an upper cover 1 and a water diversion cover 2, the water diversion cover 2 is disposed inside the upper cover 1, two sides of the water diversion cover 2 are both provided with a hinge shaft 3, the hinge shaft 3 extends out of the upper cover 1, the hinge shaft 3 is rotatably provided with a handle sleeve 4, two sides of the lower part of the handle sleeve 4 are both provided with hooks 5, a filter cartridge 6 is mounted at the lower part of the water diversion cover 2, the upper end of the side wall of the filter cartridge 6 is provided with a balance ring 7, the balance ring 7 is provided with a fixture block 8 adapted to the hooks 5, the hooks 5 on the handle sleeve 4 are matched with the fixture block 8 on the balance ring 7 of the filter cartridge 6, the handle sleeve 4 is rotated to release the hooks 5 and fix the fixture block 8, so that the filter cartridge 6 can be detached to exit from the sealing state, the convenient renew cartridge, the one end of upper shield 1 is rotated and is installed knob 9, and is equipped with locking cap 10 on the knob 9, be equipped with the plug valve in the cover 2 that divides water.

The plug valve comprises a plug valve cover 11 and a plug valve casing 12, wherein the plug valve cover 11 is fixed with the water diversion cover 2 through a bolt, the plug valve casing 12 is arranged on one side of the plug valve cover 11, and a plug valve core is arranged inside the plug valve casing 12.

The plug valve core is connected with the fixing cap 10 through a fixing core 13, and the knob 9 rotates to adjust the plug valve core to control the opening and closing of the plug valve.

An interlocking cabin 14 is arranged below one side of the upper cover 1, the interlocking cabin 14 is matched with the knob 9, an interlocking pressing plate 15 is arranged inside the interlocking cabin 14, and an interlocking buckle 17 is movably arranged on the interlocking pressing plate 15 through a spring 16.

The upper end and the lower end of the interlocking bin 14 are both provided with through holes, and the upper end and the lower end of the interlocking buckle 17 movably penetrate through the through holes.

The handle sleeve 4 is provided with a handle 18 at one end, a clamping groove 19 is formed in the top of the handle 18, and the clamping groove 19 is matched with the lower end of the interlocking buckle 17. When the knob 9 rotates downwards, the fixing cap 10 drives the plug valve which is rotated by the plug valve core to be opened, the knob 9 compresses the interlocking bin 14, the interlocking buckle 17 is clamped into the clamping groove 19 to lock the handle 18, the handle sleeve 4 cannot be rotated to disassemble the filter cartridge 6 at this time, when the knob 9 rotates upwards, the plug valve is closed, the interlocking buckle 17 resets upwards under the action of the spring 16 at this time, the locking of the clamping groove 19 is relieved, and the filter cartridge 6 can be replaced by rotating the handle sleeve 4 through the handle 18 at this time.

The opening and closing locking mechanism of the pre-filter is matched with a clamping block 8 on a balance ring 7 of a filter cartridge 6 through a hook 5 on a handle sleeve 4, the handle sleeve 4 is rotated to release the hook 5 and fix the clamping block 8, so that the filter cartridge 6 can be detached to be withdrawn from the sealing state of the whole filter, the filter cartridge is convenient to replace, through the arrangement of an interlocking bin 14, when a knob 9 is rotated downwards, a plug valve is opened due to the connection of a fixing cap 10 and the plug valve core of the plug valve, the knob 9 compresses the interlocking bin 14, an interlocking buckle 17 is clamped into a clamping groove 19 and locks a handle 18, the filter cartridge 6 cannot be detached through the handle sleeve 4, when the knob 9 is rotated upwards, the plug valve is closed through rotating the plug valve core of the plug valve, the interlocking buckle 17 is reset upwards by the action of a spring 16 at this time, the locking of the clamping groove 19 is released, and the filter cartridge 6 can be replaced through, no unnecessary trouble is caused.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a locking mechanical system that opens and shuts of leading filter, includes upper shield (1) and divides water cover (2), its characterized in that: the inside of upper shield (1) is equipped with the cover of dividing water (2), and the both sides of dividing water cover (2) all are equipped with articulated shaft (3), articulated shaft (3) extend upper shield (1), and rotate on articulated shaft (3) and install handle cover (4), the both sides of handle cover (4) below all are equipped with couple (5), the below position department of dividing water cover (2) installs and strains a section of thick bamboo (6), and the upper end of straining a section of thick bamboo (6) lateral wall is equipped with balance ring (7), be equipped with on balance ring (7) with fixture block (8) of couple (5) looks adaptation, the one end of upper shield (1) is rotated and is installed knob (9), and is equipped with locking cap (10) on knob (9), be equipped with the plug valve in the cover of dividing water (2).

2. A pre-filter opening and closing lock mechanism according to claim 1, wherein: the plug valve comprises a plug valve cover (11) and a plug valve shell (12), wherein the plug valve cover (11) is fixed with the water diversion cover (2) through a bolt, the plug valve shell (12) is arranged on one side of the plug valve cover (11), and a plug valve core is arranged inside the plug valve shell (12).

3. A pre-filter opening and closing lock mechanism according to claim 2, wherein: the plug valve core is connected with the fixing cap (10) through a fixing core (13), and the knob (9) rotates to adjust the plug valve core to control the opening and closing of the plug valve.

4. A pre-filter opening and closing lock mechanism according to claim 1, wherein: the interlocking device is characterized in that an interlocking bin (14) is arranged below one side of the upper cover (1), the interlocking bin (14) is matched with the knob (9), an interlocking pressing plate (15) is arranged inside the interlocking bin (14), and an interlocking buckle (17) is movably arranged on the interlocking pressing plate (15) through a spring (16).

5. The opening and closing lock mechanism of a pre-filter as set forth in claim 4, wherein: the upper end and the lower end of the interlocking bin (14) are both provided with through holes, and the upper end and the lower end of the interlocking buckle (17) movably penetrate through the through holes.

6. The opening and closing lock mechanism of a pre-filter as set forth in claim 4, wherein: the handle is characterized in that a handle (18) is arranged below one end of the handle sleeve (4), a clamping groove (19) is formed in the top of the handle (18), and the clamping groove (19) is matched with the lower end of the interlocking buckle (17).