CN216136832U - Filter element rotating type fixing structure - Google Patents

Abstract

The utility model discloses a filter element rotating type fixing structure, which comprises: a filter element seat; the locking block is slidably arranged on the filter element seat, and the locking block can stretch and move inside and outside the filter element seat; the rotating component is rotationally connected to the filter element seat and connected with the locking block, and the rotating component drives the locking block to transversely move on the filter element seat through rotating motion; the resetting component is arranged in the filter element seat and has the function of pushing the locking block out of the filter element seat; utilize the rotary motion of rotary member to realize the horizontal flexible removal of locking piece, can make the locking piece from the shrink state automatic re-setting to the state of stretching out under the effect of reset member, and keep in the state of stretching out to realize that the filter core carries out fast loading and unloading from the fixing base.

Description

Filter element rotating type fixing structure

Technical Field

The utility model relates to a filter element, in particular to a rotary type fixing structure of the filter element.

Background

Along with the concern of people on water health, household water purifying equipment is increasingly favored by users. Some conventional water purification apparatuses are provided with a single or a plurality of filter elements for filtering water. The filter element is required to be fixed on the fixed seat during assembly, and the filter element mounting structure on the market at present is generally locked by a mounting clamp. When the user is changing the filter core by oneself, need utilize tools such as spanner to take out the filter core from the fixing base, the loading and unloading is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the related art. Therefore, the utility model provides a rotary filter element fixing structure which can be used for quickly assembling and disassembling a filter element.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

according to the filter element rotary type fixing structure of the embodiment of the first aspect of the utility model, the filter element rotary type fixing structure comprises:

a filter element seat;

the locking block is slidably arranged on the filter element seat, and the locking block can stretch and move inside and outside the filter element seat;

the rotating component is rotationally connected to the filter element seat and is connected with the locking block, and the rotating component drives the locking block to transversely move on the filter element seat through rotating motion;

the reset component is arranged in the filter element seat and has the function of pushing the locking block out of the filter element seat.

According to the filter element rotating type fixing structure provided by the embodiment of the utility model, at least the following beneficial effects are achieved: utilize the rotary motion of rotary member to realize the horizontal flexible removal of locking piece, can make the locking piece from the shrink state automatic re-setting to the state of stretching out under the effect of reset member, and keep in the state of stretching out to realize that the filter core carries out fast loading and unloading from the fixing base.

According to some embodiments of the utility model, the rotary member comprises a rotary member rotatably connected to the cartridge holder and a connecting arm hinged between the rotary member and the locking block.

According to some embodiments of the utility model, the rotating element comprises a handle portion and a handle portion, the handle portion is rotatably connected to the filter element seat and connected to the connecting arm, and the handle portion penetrates out of the filter element seat.

According to some embodiments of the utility model, the return member comprises a resilient member that is resiliently deformed in response to rotation of the rotary member.

According to some embodiments of the utility model, the elastic member is a torsion spring provided at a connection of the rotary member and the cartridge holder.

According to some embodiments of the utility model, the resilient member is a spring disposed between the lock block and the cartridge holder, or the spring is disposed between the rotary member and the cartridge holder.

According to some embodiments of the utility model, the rotary filter cartridge fixing structure of claim 1, wherein: the filter element seat is provided with a guide limiting structure, and the guide limiting structure is used for transversely guiding the telescopic movement of the locking block and limiting the movement stroke.

According to some embodiments of the present invention, the guiding and limiting structure includes a limiting post and a guiding rail, the bottom of the locking piece is slidably connected to the guiding rail, a limiting groove is formed on the body of the locking piece, the limiting post penetrates into the limiting groove, and when the locking piece moves laterally, the limiting post slides relatively in the limiting groove.

According to some embodiments of the utility model, the side wall of the filter element seat is provided with a notch, the locking block telescopically moves inside and outside the notch, two sides of the locking block are provided with protrusions, and when the locking block transversely moves towards the outside of the notch, the protrusions abut against the inner wall of the notch to limit the outward extending stroke of the locking block.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

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

FIG. 2 is an exploded schematic view of FIG. 1;

FIG. 3 is an assembled view of the inside of the cartridge holder from above;

FIG. 4 is a schematic view of another embodiment of FIG. 3;

FIG. 5 is a schematic view of another embodiment of FIG. 3;

fig. 6 is a schematic view of another embodiment of fig. 3.

Reference numerals: a filter element holder 100; a filter element body 101; a base portion 110; an upper cover portion 120; a column 102; a stopper post 103; a guide rail 104; a notch 105; a convex edge 106; a V-shaped wall 107; a lock block 200; a limiting groove 201; a projection 202; a rotating member 300; a rotating member 310; a connecting arm 320; a handle portion 311; a handle portion 312; a push rod 313; a reset member 400; the elastic member 410.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

The utility model relates to a rotary filter element fixing structure, which is mainly used for quickly assembling and disassembling a filter element from a fixing seat (the fixing seat is a part for fixedly installing a filter element body 101) through a rotary motion.

The filter element rotary type fixing structure comprises a filter element seat 100, a locking block 200, a rotating member 300 and a resetting member 400. Wherein the securing structure is disposed at the top of the cartridge body 101, as shown in fig. 1, in the orientation shown in the drawings. For the convenience of assembly, as shown in fig. 2, the preferred cartridge base 100 can be divided into an upper portion and a lower portion, wherein the lower portion is the base portion 110, and the upper portion is the upper cover portion 120, so that the components mounted inside the cartridge base 100 can be limited in the cartridge base 100 by the upper cover portion 120; the base portion 110 can be integrally formed on top of the cartridge body 101. The filter element holder 100 can be formed by integrally molding the filter element holder 100 and the upper cover part 120, and the formation of the filter element holder 100 is not particularly limited in the present invention.

The number of the locking blocks 200 is determined according to the structure of a fixing base (not shown in the figures) used with the filter cartridge, and the number of the locking blocks 200 is not limited in the present invention. Generally, two or more than two insertion ports are arranged in the fixing seat, and the two insertion ports are matched and inserted with the locking blocks 200, in this embodiment, as shown in fig. 2 and 3, two locking blocks 200 are arranged on the filter element seat 100, and the locking blocks 200 transversely extend and retract inside and outside the filter element seat 100. The rotary member 300 is rotatably coupled to the cartridge holder 100, and the rotary member 300 is coupled to the locking block 200. In this embodiment, the rotation axis of the rotation member 300 is concentric with the center of the filter element seat 100, and when the rotation member 300 rotates counterclockwise, the lock blocks 200 on both sides are driven to synchronously slide laterally toward the inner direction of the filter element seat 100, and the lock blocks 200 are retracted into the filter element seat 100; when the rotating member 300 rotates clockwise, the locking pieces 200 on both sides are driven to slide transversely in the direction synchronously towards the outside of the filter element seat 100, the locking pieces 200 extend out of the filter element seat 100, and the parts of the locking pieces 200 extending out of the filter element seat 100 are inserted into the fixing seat. The resetting member 400 is installed in the filter element seat 100, the resetting member 400 can be directly or indirectly connected with the locking block 200 to realize the linkage relationship between the resetting member and the locking block, and the resetting member 400 has the effect of pushing the locking block 200 out of the filter element seat 100. When the user applies force to rotate the rotating member 300 to drive the locking block 200 to retract into the filter cartridge seat 100, the user releases the rotating member 300, and the reset member 400 is activated to directly or indirectly rotate the rotating member 300 in the reverse direction, so as to push the locking block 200 to extend out of the filter cartridge seat 100 and keep the locking block in the extending state.

According to the filter element rotating type fixing structure, the transverse telescopic movement of the locking block 200 is realized by utilizing the rotating action of the rotating member 300, the locking block 200 can be automatically reset to the extending state from the contraction state under the action of the resetting member 400, and the extending state is kept, so that the filter element can be quickly assembled and disassembled from the fixing seat.

In some embodiments of the present invention, the rotating member 300 includes a rotating part 310 and a connecting arm 320, and in this embodiment, as shown in fig. 2, the rotating part 310 is mainly composed of two parts, namely a handle part 311 and a handle part 312. A post 102 is disposed at the center of the base portion 110 of the cartridge holder 100, and the handle portion 311 is rotatably sleeved on the post 102. The handle part 312 can be coaxially connected with the rotation center of the rotary handle part 311, and the rotary handle part 311 can be rotated by rotating the handle part 312 around the central axis of the upright post 102; the handle part 312 can also be connected to the eccentric position of the handle part 311, and the handle part 311 is shifted around the center of the base, so that the handle part 311 can be driven to rotate around the upright post 102. The connection between the handle 311 and the handle 312 may be integrally formed, or may be formed by two separate parts fixedly connected to each other. The rotary connection structure of the rotary member 310 and the cartridge holder 100 may further include a plug shaft (not shown in the drawings) at the handle 311, and the plug shaft is vertically inserted into the cartridge holder 100 to be rotatably connected thereto, and the rotary connection structure of the rotary member 310 and the cartridge holder 100 is not limited to the above structure. In this embodiment, the connecting arm 320 is arc-shaped or straight rod-shaped, and has one end hinged to the handle portion 311 and the other end hinged to the lock block 200. When the handle 311 is rotated, the connecting arm 320 drives the lock block 200 to move laterally.

In some embodiments of the present invention, the reset member 400 includes an elastic element 410, and when the rotating member 300 rotates, the elastic element 410 is elastically deformed, and the elastic element 410 is reset by the elastic element 410 to drive the rotating member 300 to rotate reversely, so as to control the lock block 200 to automatically extend out of the filter cartridge holder 100.

The reset member 400 may be directly or indirectly connected to the lock block 200. In this embodiment, as shown in fig. 2 and 3, a V-shaped wall 107 is disposed on the base around the upright post 102, the elastic member 410 is a torsion spring, the torsion spring is sleeved on the upright post 102, the extending end of the torsion spring abuts against the V-shaped wall 107, the rotary member 310 is rotatably inserted into the upright post 102, the bottom of the rotary member 310 extends downward to form a push rod 313, and the push rod 313 abuts against one of the extending ends of the torsion spring. When the rotating member 310 rotates counterclockwise, the push rod 313 is used to synchronously rotate the torsion spring counterclockwise around the axis for compressing, and the connecting arm 320 drives the locking block 200 to retract into the filter element seat 100; after the rotating member 300 is loosened, the torsion spring is elastically reset, the rotating member 310 is pushed to rotate clockwise, and the locking block 200 is driven to extend out of the filter element holder 100 by the connecting arm 320, wherein the installation structure of the torsion spring is one of the embodiments of indirect connection between the resetting member 400 and the locking block 200.

In the second embodiment, as shown in fig. 5, the elastic member 410 is a spring, one end of the spring abuts against the locking block 200, and the other end abuts against the inside of the filter cartridge seat 100, when the locking block 200 is retracted into the filter cartridge seat 100, the spring is compressed, after the rotating member 300 is released, the spring elastically resets to push the locking block 200 out of the filter cartridge seat 100, and the connecting arm 320 drives the rotating member 310 to rotate and reset, and the installation structure of the spring is one of the embodiments of the direct connection between the resetting member 400 and the locking block 200. In the third embodiment, as shown in fig. 4, the elastic member 410 is a spring, one end of the spring abuts against the sidewall of the rotary member 310, and the other end abuts against the inside of the cartridge holder 100, the rotary member 310 elastically compresses or stretches the spring when rotating, and the elastic return of the spring drives the rotary member 310 to rotate and return when releasing the rotary member 310, and the installation structure of the spring is one of the embodiments of the indirect connection between the return member 400 and the lock block 200. In other embodiments, as shown in fig. 6, the elastic member 410 may also be a V-shaped elastic plate, and the elastic structure of the elastic member 410 is not limited to the above-described embodiments.

In order to ensure the stability of the locking block 200 when the locking block moves transversely in the filter element seat 100 in a telescopic manner, a guide limiting structure is arranged on the filter element seat 100, the guide limiting structure is used for guiding the transverse movement of the locking block 200 and limiting the movement stroke of the locking block 200.

In the embodiment of the guiding and limiting structure, specifically, a notch 105 is formed in a side wall of the filter element seat 100, and the locking block 200 is retractable inside and outside the notch 105. A guide rail 104 is disposed in the cartridge holder 100 at a position corresponding to the slot 105, and a bottom of the lock block 200 is slidably overlapped on the guide rail 104, and the guide rail 104 is oriented to be a moving path of the lock block 200, and the lock block 200 slides along the guide rail 104. A limiting column 103 is arranged in the filter element seat 100 at the position corresponding to the notch 105, the limiting column 103 can be vertical upwards, a limiting groove 201 is formed in the body of the locking block 200, the limiting groove 201 can be a waist-shaped hole, and the limiting column 103 penetrates into the limiting groove 201. When the lock block 200 moves, the limiting groove 201 and the limiting column 103 move relatively. The length of the limiting groove 201 is controlled, and two ends of the limiting groove 201 are abutted to the limiting column 103 in the moving process, so that the moving stroke of the lock block 200 is limited.

Further, the locking block 200 is provided with protrusions 202 at both sides thereof, and the filter element holder 100 is provided with protruding edges 106 at both sides thereof, which are located outside the groove opening 105. When the lock block 200 extends outward, the front side of the protrusion 202 abuts against the inner sidewall of the ledge 106, thereby limiting the lock block 200 from extending outward. Under the combined action of the protrusion 202, the limiting groove 201, the limiting column 103 and the guide rail 104, the lock block 200 can stably move transversely on the filter element seat 100.

In the description herein, references to the description of a particular embodiment or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. The utility model provides a filter core commentaries on classics formula fixed knot constructs which characterized in that includes:

a filter element seat (100);

the locking block (200) is slidably mounted on the filter element seat (100), and the locking block (200) can stretch and move inside and outside the filter element seat (100);

the rotating member (300) is rotatably connected to the filter element seat (100) and is connected with the locking block (200), and the rotating member (300) drives the locking block (200) to transversely move on the filter element seat (100) through rotating motion;

and the resetting component (400) is installed in the filter element seat (100), and the resetting component (400) has the function of pushing the locking block (200) out of the filter element seat (100) for the locking block (200).

2. The rotary filter cartridge retaining structure of claim 1, wherein: the rotating member (300) comprises a rotating piece (310) and a connecting arm (320), the rotating piece (310) is rotatably connected to the filter element seat (100), and the connecting arm (320) is hinged between the rotating piece (310) and the locking block (200).

3. The rotary filter cartridge retaining structure of claim 2, wherein: the rotating piece (310) comprises a rotating handle part (311) and a handle part (312), the rotating handle part (311) is rotatably connected to the filter element seat (100) and connected with the connecting arm (320), and the handle part (312) penetrates out of the filter element seat (100).

4. A rotary filter cartridge retaining structure according to claim 1, 2 or 3, wherein: the reset member (400) comprises an elastic piece (410), and the elastic piece (410) is elastically deformed along with the rotation of the rotating member (300).

5. The rotary filter cartridge retaining structure of claim 4, wherein: the elastic piece (410) is a torsion spring which is arranged at the joint of the rotating component (300) and the filter element seat (100).

6. The rotary filter cartridge retaining structure of claim 4, wherein: the elastic piece (410) is a spring, and the spring is arranged between the lock block (200) and the filter element seat (100) or between the rotating component (300) and the filter element seat (100).

7. The rotary filter cartridge retaining structure of claim 1, wherein: the filter element seat (100) is provided with a guide limiting structure, and the guide limiting structure is used for transversely guiding the telescopic movement of the locking block (200) and limiting the movement stroke.

8. The rotary filter cartridge retaining structure of claim 7, wherein: the direction limit structure includes spacing post (103) and guided way (104), locking piece (200) bottom sliding connection be in on guided way (104), be equipped with spacing groove (201) on the body of locking piece (200), spacing post (103) penetrate in spacing groove (201), work as locking piece (200) lateral shifting, spacing post (103) are in relative slip in spacing groove (201).

9. A rotary filter cartridge retaining structure according to claim 7 or 8, wherein: notch (105) have been seted up to filter element seat (100) lateral wall, locking piece (200) flexible move in the inside and outside of notch (105), locking piece (200) both sides are equipped with bulge (202), work as locking piece (200) orientation notch (105) outside lateral shifting, bulge (202) butt is in notch (105) inner wall is in order to restrict the outside stroke that stretches out of locking piece (200).

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