Quick-release pre-filter with slip sheet mechanism

Abstract

The utility model discloses a quick-release prefilter with a slip sheet mechanism, which comprises a machine head provided with a water inlet pipe and a water outlet pipe, a filter bottle detachably connected with the machine head, a replaceable filter element arranged in the filter bottle, a turning cover arranged on the machine head and used for opening or closing the machine head and the filter bottle, and the slip sheet mechanism used for locking or unlocking the turning cover, the sliding piece mechanism comprises a first locking piece arranged on the machine head, a second locking piece arranged on the turning cover and a lock catch used for locking or unlocking the first locking piece and the second locking piece. According to the utility model, the problem of water leakage caused by separation of the filter bottle and the machine head due to the fact that the flip cover is not provided with a lock catch and is easy to open in the existing quick-release pre-filter is effectively solved, meanwhile, the abrasion caused by frequent movement of the filter bottle and the flip cover due to the action of a water hammer is reduced, the use safety and stability of the pre-filter are improved, and the service life of the pre-filter is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to water purification equipment technical field especially is involved in a kind of quick-release front filter with sliding piece mechanism. BACKGROUND

[0002] Quick-release front filter is widely used in water treatment system, and its working principle is to drive a series of linkage mechanisms by the up-down rotation of the flip cover, realize the pull-down or push-in of filter bottle, so as to carry out filter core replacement and other operations. However, in the actual use process, such front filter exposes some serious problems. Due to the existence of water hammer effect, filter bottle will move up and down frequently. The up-down movement of such filter bottle further drives the rotation of the flip cover, and when the rotation angle of the flip cover exceeds a certain limit, the second rotating shaft on the flip cover will cross the 180° upper stop point. Once this happens, the flip cover will be completely opened, causing the head of the front filter and the filter bottle to be disconnected, ultimately causing water leakage. Not only will it cause damage to the surrounding environment, but it may also cause the entire water treatment system to malfunction. At the same time, due to water hammer, filter bottle and flip cover move continuously, the friction between components intensifies, causing significant wear and tear, greatly reducing the service life of the front filter and increasing maintenance costs. SUMMARY

[0003] The utility model aims at solving the above technical problems, and provides a quick-release front filter with sliding piece mechanism. The utility model effectively solves the problem of water leakage caused by the disconnection of filter bottle and head due to the easy opening of flip cover without lock catch in the existing quick-release front filter, reduces the wear and tear caused by the frequent movement of filter bottle and flip cover due to water hammer effect, improves the use safety and stability of the front filter, and prolongs its service life.

[0004] The utility model discloses a technical scheme that solves the above technical problem is: a quick release type prefilter with a sliding piece mechanism, including the head with water inlet pipe and water outlet pipe, with the detachable connection of filter bottle of head, the replaceable filter core is equipped in filter bottle, the flip cover that opens or covers the head with filter bottle is equipped on the head, the sliding piece mechanism that the flip cover is locked or is unlocked, the first lock piece of sliding piece mechanism is equipped on the head, the second lock piece is equipped on the flip cover, and the lock catch that the first lock piece and the second lock piece lock or open. The first lock piece, the second lock piece and the lock catch in the sliding piece mechanism jointly act, can firmly lock the flip cover when normal use. This effectively avoids the flip cover accidental opening due to water hammer and other external force, and further prevents filter bottle and head from being disconnected, from the root, eliminates the occurrence of water leakage phenomenon, guarantees the safety and dry of prefilter use environment, avoids the property loss and equipment damage risk caused by water leakage. The above technical scheme, through the lock catch, the first lock piece and the second lock piece can be easily unlocked, at this time, the flip cover can be smoothly opened, the user can conveniently detach the filter bottle from the head, and the filter core replacement operation is carried out. This design greatly simplifies the maintenance process and reduces the maintenance difficulty, even if the non-professional personnel can also quickly start the filter core replacement, improves the maintainability of the prefilter, and prolongs the service life of the equipment. The stable locking structure ensures that the filter bottle is always connected with the head tightly in the daily filtering work, and maintains the normal filtering function. The flip cover will not be loose or accidentally opened, which will not interfere with the normal passing of water flow and the filtering process, and ensures that the prefilter can continuously and stably filter water, provides reliable pretreated water quality for subsequent water equipment, and improves the stability and reliability of the entire water system.

[0005] As preferred, the sliding piece mechanism further includes a rotatable sliding piece provided on the head, and the lock catch is rotatable provided on the sliding piece to lock or open the first lock piece and the second lock piece. The lock catch is controlled by the rotatable sliding piece, so that the user can operate more conveniently when locking or unlocking the flip cover. By rotating the sliding piece, the first lock piece and the second lock piece can be easily locked and opened, which greatly improves the operation efficiency compared with other complex locking methods. The lock catch is arranged on the sliding piece, the overall structure is more compact, the space occupation is reduced, and the connection between the components is more compact, and the stability of the device is enhanced. This design optimizes the internal space layout of the prefilter, and makes the entire device more simple and beautiful.

[0006] As preferred, the head is provided with a sliding arm connected with the cover and rotatable by the cover to switch the filter bottle between the removal position and the connection position, and the sliding arm is connected with the filter bottle. The removal position refers to a position where the filter bottle is separated from the head to take out and replace the filter element in the filter bottle. After the cover is rotated to drive the sliding arm to move downward, the sliding arm drives the filter bottle to move downward to the removal position. The connection position refers to a position where the filter bottle is connected with the head for normal filtration. The linkage design of the sliding arm and the cover enables the user to smoothly switch the filter bottle to the removal position by the sliding arm only by rotating the cover when replacing the filter element, facilitating the user to take out the filter bottle for filter element replacement. After the replacement is completed, the cover is rotated in reverse to easily bring the filter bottle back to the connection position, greatly improving the efficiency of filter element replacement. The presence of the sliding arm ensures the accurate and reliable switching of the filter bottle between the removal position and the connection position. In the connection position, the filter bottle can be tightly connected with the head to ensure normal filtration function. In the removal position, the filter bottle can be stably positioned at a position convenient for operation, facilitating the user to replace the filter element and reducing the risk of inconvenience or insecure installation due to inaccurate position.

[0007] As preferred, the sliding arm is provided with a second connecting hole, and the cover is provided with a second rotating shaft, and the second rotating shaft is inserted into the second connecting hole to connect the sliding arm with the cover to enable the sliding arm to rotate around the second rotating shaft. In normal use, the lock catch is locked with the first and second lock pieces. During use of the quick-release front filter, the filter bottle will have a small up-down movement due to water hammer, and the sliding arm will move up and down with the filter bottle, and the sliding arm will drive the cover to rotate around the first rotating shaft. By locking the lock catch with the first and second lock pieces, the cover will not rotate due to water hammer, and the cover will not open, and the filter bottle and the head will not be disconnected to cause water leakage.

[0008] As preferred, a sliding plate is arranged below the head, a sliding channel is arranged on the sliding plate, a guide block is arranged in the sliding channel, and the lower end of the sliding arm is connected with the guide block by screws or a latch. The sliding channel and the guide block provide accurate guidance for the movement of the sliding arm, ensuring that the sliding arm always maintains straight-line movement during up-down movement and will not deviate or shake. This not only improves the stability of the filter bottle when switching positions, but also reduces the friction between the sliding arm and other components, prolonging the service life of the equipment. The lower end of the sliding arm is connected with the guide block by screws or a latch. This connection method is simple and reliable, facilitating disassembly and assembly during installation and maintenance, reducing maintenance difficulty and cost.

[0009] As preferred, the filter bottle is provided with a clamp, the clamp is provided with a hanging ear, the sliding arm is provided with a first groove, and the hanging ear is clamped with the first groove. The hanging ear of the filter bottle clamp is hung in the first groove of the sliding arm, so that the filter bottle can move up and down synchronously with the first groove. The hanging ear on the clamp is clamped with the first groove on the sliding arm, forming a firm connection method, so that the filter bottle can closely follow the movement of the sliding arm. Under the action of water hammer, the filter bottle can also move stably and synchronously with the sliding arm, without falling off or loosening, ensuring the normal operation of the pre-filter under complex working conditions. This clamping connection method is convenient for adjusting or replacing the filter bottle when needed. If the filter bottle is damaged or needs to be replaced with a different specification, the hanging ear can be easily removed from the first groove, making it easy to operate and improving the maintainability of the equipment.

[0010] As preferred, the filter bottle is provided with a plurality of first protrusions arranged around the circumference of the filter bottle, the outer side of the filter bottle is provided with a clamp, the clamp is provided with a plurality of second grooves clamped with the first protrusions, the filter bottle is provided with an outer ring, a third groove is formed between the outer ring and the clamp, and the clamp is arranged in the third groove. The first protrusions and the second grooves in the clamp are clamped together, and the clamp is arranged in the third groove, which together enhances the structural stability of the filter bottle. This design can effectively disperse the pressure borne by the filter bottle during use, preventing the filter bottle from breaking or deforming due to excessive pressure, and improving the durability of the filter bottle. The close fit between the clamp and the filter bottle, as well as the interaction between the components, helps to improve the sealing performance of the filter bottle. During the filtering process, water leakage can be better prevented, ensuring the filtering effect of the pre-filter.

[0011] As preferred, the head is provided with a support, the support is provided with a first rotating shaft, the flip cover is provided with a first connecting hole, and the first rotating shaft is inserted into the first connecting hole to connect the flip cover with the support, allowing the flip cover to rotate around the first rotating shaft. The cooperation between the first rotating shaft and the first connecting hole provides reliable rotating support for the flip cover. The flip cover can rotate smoothly around the first rotating shaft, and will not jam or shake during opening and closing, ensuring smooth operation. This connection method allows the flip cover to have a clear rotation center during rotation, enabling accurate control of the position of the flip cover, ensuring that the flip cover and the head are tightly fitted in the locked and unlocked states, improving the overall sealing performance and safety of the pre-filter.

[0012] As preferred, the head is provided with a fixed block, and the sliding arm is provided with a fourth groove that is buckled with the fixed block when the filter bottle is in the connected position and separated from the fixed block when the filter bottle is in the removed position. When the fourth groove on the sliding arm and the fixed block are buckled with each other, the filter bottle is in the connected position, and the cooperation between the fourth groove and the fixed block can generate an upward supporting force to support the filter bottle; when the fourth groove and the fixed block are separated, the filter bottle is separated from the head, and the filter bottle moves to the removed position.

[0013] As preferred, the machine head comprises a shell provided with a support, a valve core arranged in the shell, a water inlet pipe and a water outlet pipe, the valve core is provided with a water inlet and a water outlet, the valve core is rotatable to connect or disconnect the water inlet with the water inlet pipe and the water outlet with the water outlet pipe, and a sliding sheet is arranged on the shell; the valve core is provided with a third rotating shaft, the shell is provided with a through hole, the third rotating shaft passes through the through hole and is connected with a knob, the sliding sheet is arranged below the knob, the sliding sheet is provided with a hoop, and the hoop is clamped around the knob. By rotating the knob to drive the valve core to rotate, the water inlet of the valve core and the water inlet pipe of the pre-filter are staggered, and the water outlet of the valve core and the water outlet pipe of the pre-filter are also staggered, so as to block the water flow in the municipal water supply and the household pipe network, realize the effect of cutting off the water source, and avoid the water leakage phenomenon in the process of replacing the filter core. By rotating the knob, the valve core can be easily rotated to realize the connection or disconnection of the water inlet with the water inlet pipe and the water outlet with the water outlet pipe. When replacing the filter core, the water source can be quickly cut off, the water leakage phenomenon in the operation process is avoided, and the convenience and safety of the filter core replacement operation are greatly improved. The sliding sheet is arranged below the knob and integrated with the control structure of the valve core, so that the operation of the whole device is more concentrated and convenient. When rotating the knob to control the water source, the user can also conveniently operate the sliding sheet to lock or unlock the flip cover, reduce the operation steps, and improve the ease of use of the equipment.

[0014] The utility model has the advantages that: the utility model effectively solves the problem that the filter bottle and the machine head are separated and water leaks due to the fact that the existing quick-release pre-filter is easily opened because the flip cover has no lock catch, reduces the abrasion caused by the frequent movement of the filter bottle and the flip cover due to water hammer, improves the use safety and stability of the pre-filter, and prolongs the service life. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structure diagram of the lock catch in an open state.

[0016] Figure 2 is a structure diagram of the lock catch in a locked state.

[0017] Figure 3 is a structure diagram of the filter bottle in a connected position.

[0018] Figure 4 is Figure 3 is a sectional view along the A-A direction.

[0019] Figure 5 is a structure diagram of the filter bottle in a removed position.

[0020] Figure 6 is Figure 5 is a sectional view along the B-B direction.

[0021] Figure 7 is a structure diagram of the filter bottle.

[0022] Figure 8 is the structure diagram of the valve core and the water inlet pipe and the water outlet pipe in the disconnected state.

[0023] Figure 9 is the structure diagram of the head and the support.

[0024] Figure 10 is the structure diagram of the sliding arm and the sliding plate.

[0025] Figure 11 is the structure diagram of the flip cover.

[0026] Figure 12 is the structure diagram of the filter bottle.

[0027] Figure 13 is the structure diagram of the clamp.

[0028] Figure 14 is the structure diagram of the filter bottle and the clamp.

[0029] In the figure: 1, head, 11, water inlet pipe, 12, water outlet pipe, 13, fixed block, 14, shell, 141, through hole, 142, first locking piece, 15, valve core, 151, water inlet, 152, water outlet, 153, third rotating shaft, 16, sliding piece, 161, hoop, 17, lock catch, 2, filter bottle, 21, first protruding part, 22, outer ring, 23, third groove, 24, fifth groove, 3, filter core, 31, upper cover, 311, supporting piece, 32, lower cover, 321, second protruding part, 4, flip cover, 41, second rotating shaft, 42, first connecting hole, 43, second locking piece, 5, sliding arm, 51, second connecting hole, 52, first groove, 53, fourth groove, 6, sliding plate, 61, sliding way, 7, guide block, 8, clamp, 81, hanging ear, 9, clamp, 91, second groove, 10, support, 101, first rotating shaft, 100, knob. DETAILED DESCRIPTION

[0030] The utility model will be further explained in connection with the drawings and embodiments.

[0031] As Figures 1-14 shown, the utility model discloses a quick-release type front filter with sliding piece mechanism, including the head 1 with water inlet pipe 11 and water outlet pipe 12, the filter bottle 2 of detachable connection with head 1, be equipped with the replaceable filter core 3 in filter bottle 2, be equipped with the flip cover 4 of opening or covering head 1 and filter bottle 2 on head 1, the sliding piece mechanism of locking or unlocking of flip cover 4, the sliding piece mechanism includes the first locking piece 142 of being arranged on head 1, the second locking piece 43 of being arranged on flip cover 4, the lock catch 17 of locking or opening of first locking piece 142 and second locking piece 43.

[0032] The slide mechanism further comprises a slide 16 rotatably arranged on the head 1, and a lock 17 rotatably arranged on the slide 16 to lock or open the first lock piece 142 and the second lock piece 43.

[0033] The head 1 is provided with a slide arm 5 connected with the cover 4 and rotatable with the cover 4 to drive the filter bottle 2 to switch between the removal position and the connection position, and the slide arm 5 is connected with the filter bottle 2.

[0034] The slide arm 5 is provided with a second connecting hole 51, and the cover 4 is provided with a second rotating shaft 41, the second rotating shaft 41 is inserted into the second connecting hole 51 to connect the slide arm 5 with the cover 4, so that the slide arm 5 rotates around the second rotating shaft 41.

[0035] The head 1 is provided with a slide plate 6 below, the slide plate 6 is provided with a slide way 61, the slide way 61 is provided with a guide block 7, and the lower end of the slide arm 5 is connected with the guide block 7 by screws or a latch.

[0036] The filter bottle 2 is provided with a clamp 8, the clamp 8 is provided with a hanging ear 81, the slide arm 5 is provided with a first recess 52, and the hanging ear 81 is clamped with the first recess 52.

[0037] The filter bottle 2 is provided with a plurality of first protruding parts 21 arranged around the circumference of the filter bottle 2, the filter bottle 2 is provided with a clamp 9 outside, the clamp 9 is provided with a plurality of second recesses 91 clamped with the first protruding parts 21, the filter bottle 2 is provided with an outer ring 22, a third recess 23 is formed between the outer ring 22 and the clamp 9, and the clamp 8 is arranged in the third recess 23.

[0038] The head 1 is provided with a support 10, the support 10 is provided with a first rotating shaft 101, the cover 4 is provided with a first connecting hole 42, the first rotating shaft 101 is inserted into the first connecting hole 42 to connect the cover 4 with the support 10, so that the cover 4 rotates around the first rotating shaft 101.

[0039] The head 1 is provided with a fixed block 13, and the slide arm 5 is provided with a fourth recess 53, the filter bottle 2 is clamped with the fixed block 13 in the connection position, and the filter bottle 2 is separated from the fixed block 13 in the removal position.

[0040] The head 1 comprises a housing 14 provided with the support 10, a valve core 15 arranged in the housing 14, a water inlet pipe 11 and a water outlet pipe 12, the valve core 15 is provided with a water inlet 151 and a water outlet 152, the valve core 15 is rotatable to connect or disconnect the water inlet 151 with the water inlet pipe 11 and the water outlet 152 with the water outlet pipe 12, and the slide 16 is arranged on the housing 14; the valve core 15 is provided with a third rotating shaft 153, the housing 14 is provided with a through hole 141, the third rotating shaft 153 passes through the through hole 141 and is connected with a knob 100, the slide 16 is arranged below the knob 100, the slide 16 is provided with a hoop 161, and the hoop 161 is clamped around the knob 100.

[0041] The second connecting hole 51 and the second rotating shaft 41 form a rotation limit, the second rotating shaft 41 is a flat shaft, and the second connecting hole 51 is a C-shaped hole.

[0042] The filter cartridge 3 is provided with an upper cover 31 and a lower cover 32, the upper cover 31 is provided with a support sheet 311 arranged around the circumference of the upper cover 31, the lower cover 32 is provided with a second protruding part 321, the bottom of the filter bottle 2 is provided with a fifth groove 24, and the second protruding part 321 is inserted into the fifth groove 24.

[0043] A method for replacing a filter cartridge of a pre-filter, comprising the following contents:

[0044] The knob 100 is rotated to drive the valve core 15 to rotate synchronously by a corresponding angle, so that the water inlet 151 of the valve core 15 and the water inlet pipe 11 of the pre-filter are staggered, and at the same time, the water outlet 152 of the valve core 15 and the water outlet pipe 12 of the pre-filter are also staggered, thereby blocking the municipal water and the water flow in the household pipe network;

[0045] The rotation of the knob 100 drives the sliding sheet 16 to rotate, the sliding sheet 16 is rotated to open the lock catch 17, the flap 4 is opened upward, the flap 4 is rotated upward around the first rotating shaft 101, in this process, the second rotating shaft 41 is rotated backward and downward, due to the restriction of the guide block 7 at the lower end of the sliding arm 5, the lower end of the sliding arm 5 can only move downward, thereby making the whole sliding arm 5 move backward and downward, the fourth groove 53 on the sliding arm 5 is separated from the fixed block 13, and the first groove 52 of the sliding arm 5 drives the hanging ear 81 of the filter bottle 2 clamp 8, so that the filter bottle 2 moves downward;

[0046] After the filter bottle 2 moves a stroke, the flap 4 cannot continue to rotate upward, at this time, the filter bottle 2 moves to a removal position, the bottle mouth of the filter bottle 2 is separated from the head 1, and the bottle mouth of the filter bottle 2 is lower than the lower end surface of the head 1, the filter cartridge 3 moves downward together with the filter bottle 2, the upper surfaces of the filter bottle 2 and the filter cartridge 3 are lower than the lower surface of the head 1, at this time, the user can directly take out the filter bottle 2 from the U-shaped groove by hand;

[0047] The old filter cartridge 3 in the filter bottle 2 is taken out and discarded, and a new filter cartridge 3 is placed in the filter bottle 2, the filter bottle 2 with the new filter cartridge 3 is placed into the first groove 52 of the sliding arm 5, the flap 4 is pressed downward, the flap 4 moves downward around the first rotating shaft 101, the second rotating shaft 41 moves forward and upward, the lower end of the sliding arm 5 moves upward and forward under the action of the guide block 7, the filter bottle 2 enters the head 1, the filter cartridge 3 is inserted into the valve core 15, the flap 4 continues to rotate downward, the filter bottle 2 and the filter cartridge 3 continue to move upward, until the flap 4 cannot rotate, at this time, the filter bottle 2 and the head 1 are matched in place, and the filter bottle 2 returns to the connection position;

[0048] The knob 100 is turned back to the initial state, the knob 100 drives the slide 16 to rotate, the slide 16 rotates to lock the lock catch 17 and the first locking piece 142 and the second locking piece 43, the knob 100 drives the valve core 15 to rotate, the water inlet 151 of the valve core 15 and the water inlet pipe 11 of the pre-filter are aligned, at the same time, the water outlet 152 of the valve core 15 and the water outlet pipe 12 of the pre-filter are also aligned, the municipal water and the water flow in the household pipe network are conducted, and the pre-filter starts to work normally.

[0049] It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

[0050] It should be noted that when an element is referred to as being "fixed" or "attached" to another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.

[0051] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application, and do not indicate that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0052] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating relative importance or indicating the number of technical features. In the description of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

Claims

1. A quick-release pre-filter equipped with a sliding vane mechanism, characterized in that: The machine head (1) includes an inlet pipe (11) and an outlet pipe (12), a filter bottle (2) detachably connected to the machine head (1), a replaceable filter element (3) is provided inside the filter bottle (2), a flip cover (4) is provided on the machine head (1) to open or close the machine head (1) and the filter bottle (2), and a sliding mechanism to lock or unlock the flip cover (4). The sliding mechanism includes a first locking piece (142) provided on the machine head (1), a second locking piece (43) provided on the flip cover (4), and a latch (17) to lock or open the first locking piece (142) and the second locking piece (43).

2. The quick-release pre-filter with a sliding vane mechanism according to claim 1, characterized in that: The sliding mechanism also includes a rotatable sliding plate (16) on the machine head (1), and a latch (17) on the sliding plate (16) that can be rotatably locked or unlocked by the first locking plate (142) and the second locking plate (43).

3. The quick-release pre-filter with a sliding vane mechanism according to claim 1 or 2, characterized in that: The machine head (1) is provided with a sliding arm (5) that is connected to the flip cover (4) and can be rotated by the flip cover (4) to switch the filter bottle (2) between the removal position and the connection position. The sliding arm (5) is connected to the filter bottle (2).

4. The quick-release pre-filter with a sliding vane mechanism according to claim 3, characterized in that: The sliding arm (5) is provided with a second connecting hole (51), and the flip cover (4) is provided with a second rotating shaft (41). The second rotating shaft (41) is inserted into the second connecting hole (51) to connect the sliding arm (5) and the flip cover (4) so ​​that the sliding arm (5) rotates around the second rotating shaft (41).

5. The quick-release pre-filter with a sliding vane mechanism according to claim 4, characterized in that: A slide plate (6) is provided below the machine head (1), a slide rail (61) is provided on the slide plate (6), a guide block (7) is provided in the slide rail (61), and the lower end of the slide arm (5) and the guide block (7) are connected by screws or pins.

6. The quick-release pre-filter with a sliding vane mechanism according to claim 3, characterized in that: The filter bottle (2) is provided with a clamp (8), the clamp (8) is provided with a hanging ear (81), the sliding arm (5) is provided with a first groove (52), and the hanging ear (81) is engaged with the first groove (52).

7. The quick-release pre-filter with a sliding vane mechanism according to claim 6, characterized in that: The filter bottle (2) is provided with several first protrusions (21) arranged around the circumference of the filter bottle (2). The filter bottle (2) is provided with a clamp (9) on the outside. The clamp (9) is provided with several second grooves (91) that engage with the first protrusions (21). The filter bottle (2) is provided with an outer ring (22). A third groove (23) is formed between the outer ring (22) and the clamp (9). The clamp (8) is provided in the third groove (23).

8. The quick-release pre-filter with a sliding vane mechanism according to claim 1, characterized in that: The machine head (1) is provided with a bracket (10), the bracket (10) is provided with a first rotating shaft (101), the flip cover (4) is provided with a first connecting hole (42), the first rotating shaft (101) is inserted into the first connecting hole (42) to connect the flip cover (4) and the bracket (10) so that the flip cover (4) rotates around the first rotating shaft (101).

9. The quick-release pre-filter with a sliding vane mechanism according to claim 3, characterized in that: The machine head (1) is provided with a fixing block (13), and the slide arm (5) is provided with a fourth groove (53) where the filter bottle (2) is engaged with the fixing block (13) at the connection position and separated from the fixing block (13) at the removal position.

10. The quick-release pre-filter with a sliding vane mechanism according to claim 8, characterized in that: The machine head (1) includes a housing (14) with a bracket (10), a valve core (15) inside the housing (14), an inlet pipe (11), and an outlet pipe (12). The valve core (15) has an inlet (151) and an outlet (152). The valve core (15) can rotate to connect or disconnect the inlet (151) with the inlet pipe (11) and the outlet (152) with the outlet pipe (12). A slide (16) is provided on the housing (14). A third rotating shaft (153) is provided on the valve core (15). A through hole (141) is provided on the housing (14). The third rotating shaft (153) passes through the through hole (141) and connects to the knob (100). The slide (16) is located below the knob (100). A hoop (161) is provided on the slide (16). The hoop (161) surrounds the knob (100) and is locked in place.

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