Filter bottle locking and taking-out device

Abstract

According to the locking and taking-out device of the filter bottle, the filter bottle comprises a bottle body and a cover body, the cover body is detachably fixed to a bottle opening in the top of the bottle body, and a filter element is arranged in the space between the bottle body and the cover body; the filter bottle is detachably fixed in a filter bottle cavity of an adaptive filter body, and the filter is characterized in that the cover body comprises a base and a handle, and the base comprises a base and a cover sleeve; the base is provided with an inwards-concave mounting cavity, unlocking grooves are formed in the two sides of the center shaft respectively, lock tongues are arranged in the unlocking grooves, push shafts are arranged on the lock tongues, elastic pieces are fixed between the inner ends of the lock tongues and the unlocking grooves to enable the lock tongues to be in the outward popping tendency, and base unlocking holes are formed in the corresponding base; the middle plate is provided with the through hole, the two sides of the through hole are each provided with a transverse sliding groove for a push shaft on the spring bolt to penetrate through and slide, a user can conveniently and directly take out the filter bottle from a filter cavity of the filter, and the locking and unlocking mechanism is simple, reliable, convenient to operate and long in service life.

Description

Technical Field

[0001] The invention relates to the field of filtering devices, and in particular to a locking and removing device for a filter element. Background Art

[0002] As a water treatment equipment that requires deep filtration and purification of water quality, water purifiers usually use filter elements to filter water. Filter elements have different service lives due to different structures and materials. During the replacement process of the filter element, it is necessary to prevent the filter element from being contaminated and be able to replace the filter element quickly.

[0003] After investigation, the patent number is CN202410057017.4, which discloses a filter element and a locking and removal device for the filter element, which includes a frame, a locking mechanism and an ejection mechanism. The frame is provided with a filter element cavity, the filter element cavity is provided with an opening, and the filter element cavity is used for allowing the filter element body to be installed along a direction staggered from the length direction of the filter element body, the locking mechanism is used to limit the filter element body from moving out of the filter element cavity, and the ejection mechanism is used to push the filter element body out of the filter element cavity, but the locking and removal structure of the filter element still has room for improvement. Summary of the invention

[0004] The present invention mainly aims to solve the technical problems of the prior art and proposes a locking and removing device for a filter bottle, which is convenient for users to directly remove the filter bottle from the filter chamber of the filter machine, and the locking and unlocking mechanism is simple and reliable, easy to operate and has a long service life.

[0005] The technical solution of the present invention is: a locking and removing device for a filter bottle, the filter bottle comprises a bottle body and a cover body, the cover body is detachably fixed at the bottle mouth on the top of the bottle body, and a filter element is provided in the space between the bottle body and the cover body; the filter bottle is detachably fixed in the filter bottle cavity of the filter machine body,

[0006] The feature is that: the cover body includes a base and a handle, and the base includes a pedestal and a cover sleeve;

[0007] The base has a concave installation cavity, a central axis is provided in the center, an unlocking groove is provided on each side of the central axis, a lock tongue is provided in each unlocking groove, a push shaft is provided on the lock tongue, an elastic member is fixed between the inner end of the lock tongue and the unlocking groove to keep it popping outward, and a base unlocking hole is provided on the corresponding base;

[0008] The middle plate has a through hole in the center for the central shaft to pass through, and a transverse sliding groove is provided on both sides of the through hole for the push shaft on the lock tongue to pass through and slide, and the middle plate is arranged on the mounting cavity of the base;

[0009] The cover sleeve has a center hole in the center, and a cover sleeve unlocking hole is opened on the outer wall of the cover sleeve, which matches the unlocking hole of the base, for the lock tongue to pass through when in a locked state, and the cover sleeve is connected to the base;

[0010] The handle has a central axis hole at the bottom center for the central axis to be inserted and connected. The bottom of the handle is provided with an arc-shaped guide hole for the push shaft of the lock tongue to pass through, which cooperates with the horizontal sliding groove of the middle plate to promote the sliding of the lock tongue in and out.

[0011] In order to facilitate rotation, a further improvement is made in that two fixed shafts are provided on the top of the middle plate, and the fixed shafts penetrate into the arc-shaped guide holes and cooperate with the handles.

[0012] Furthermore, the top sleeves of the fixed shaft and the push shaft are provided with limiting rings to prevent the fixed shaft and the push shaft from escaping from the arc-shaped guide hole.

[0013] Preferably, the number of the arc-shaped guide holes is four, which respectively matches the number of the fixed shaft and the push shaft.

[0014] In order to facilitate disassembly and assembly, a buckle is provided on the inner wall of the cover sleeve, and correspondingly, a slot is provided on the outer wall of the base to achieve snap-on fixation.

[0015] In order to ensure stable and reliable sliding, a limiting block is provided on the inner wall of the unlocking groove, and limiting parts are provided on both sides of the corresponding lock tongue to match them to achieve limiting fixation.

[0016] Furthermore, a spring fixing column is provided at the inner end of the locking tongue, a spring fixing seat is provided at the inner end of the unlocking groove, and a spring is fixed between the spring fixing column and the spring fixing seat.

[0017] Finally, the middle plate is provided with a plurality of fixing holes, and screws pass through the fixing holes and are fixed to the screw columns on the top of the base, so that the middle plate and the base are fixed together.

[0018] Compared with the prior art, the advantages of the present invention are: the locking mechanism has a simple structure, the operation is quick and convenient, the handle can be rotated to complete the unlocking, and the cover can be removed from the bottle body by pulling the handle, which is convenient for replacing the filter element. The lock tongue in the unlocking groove will automatically reset when locked, and the locking is firm and reliable. The whole device is more compact, low in height, stable and reliable, and has a longer service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the three-dimensional structure of the present invention,

[0020] Figure 2 is a side view of the present invention,

[0021] Figure 3 is a top view of the present invention,

[0022] Figure 4 It is a schematic diagram of the partial explosion structure of the present invention,

[0023] Figure 5It is a schematic diagram of the partial explosion structure of the present invention,

[0024] Figure 6 It is a schematic diagram of the explosion structure of the present invention,

[0025] Figure 7 It is a schematic diagram of the explosion structure of the present invention,

[0026] Figure 8 is a cross-sectional view of the locked state of the present invention,

[0027] Fig. 9 This is a cross-sectional view of the present invention in an unlocked state,

[0028] Fig.10 This is a three-dimensional picture of the filter body.

[0029] In the figure, 1, bottle body, 2, cover body, 3, filter element, 4, base, 5, handle, 6, base, 7, cover sleeve, 8, center axis, 9, unlocking groove, 10, lock tongue, 11, push shaft, 12, elastic member, 13, base unlocking hole, 14, middle plate, 15, through hole, 16, horizontal slide groove, 17, center hole, 18, cover sleeve unlocking hole, 19, center axis hole, 20, arc guide hole, 21, limit block, 22, limit part, 23, spring fixing column, 24, elastic fixing seat, 25, fixed axis, 26, limit ring, 27, fixing hole, 28, screw column, 29, buckle,

[0030] 30. Card slot, 31. Body, 32. Filter bottle cavity, 33. Lock hole. DETAILED DESCRIPTION

[0031] The following is a further detailed description of the implementation methods of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The present invention is further described in detail below with reference to the accompanying drawings.

[0034] according to Figures 1 to 10 , a locking and removing device for a filter bottle, the filter bottle comprises a bottle body 1 and a cover body 2, the cover body 2 is detachably fixed at the bottle mouth on the top of the bottle body 1, and a filter element 3 is provided in the space between the bottle body 1 and the cover body 2; the filter bottle can be detachably fixed in the filter bottle cavity 32 of the adapted filter machine body 31, and the focus of its improvement is that: the cover body 2 comprises a base 4 and a handle 5, and the base 4 comprises a base 6 and a cover sleeve 7; the base 6 has a concave mounting cavity, a central axis 8 is provided in the center, and an unlocking groove 9 is provided on each side of the central axis 8, each unlocking groove 9 is provided with a locking tongue 10, and a push shaft 11 is provided on the locking tongue 10, and an elastic member 12 is fixed between the inner end of the locking tongue 10 and the unlocking groove 9 to keep it popping outward, and a base unlocking groove 9 is provided on the corresponding base 6 Lock hole 13; the middle plate 14 has a through hole 15 in the center for the central axis 8 to pass through, and a transverse slide groove 16 is provided on both sides of the through hole 15 for the push shaft 11 on the lock tongue 10 to pass through and slide, and the middle plate 14 is arranged on the mounting cavity of the base 6; a center hole 17 is provided in the center of the cover sleeve 7, and a cover sleeve unlocking hole 18 is provided on the outer wall of the cover sleeve 7, which matches the base unlocking hole 13 and is provided for the lock tongue 10 to pass through when the lock tongue 10 is in the locked state, and the cover sleeve 7 is sleeved on the base 6 and connected together; a center axis hole 19 is provided at the center of the bottom of the handle 5 for the central axis 8 to be inserted and connected, and arc-shaped guide holes 20 are distributed on the bottom of the handle 5 for the push shaft 11 on the lock tongue 10 to pass through, and the lock tongue 10 is promoted to slide inward and outward by cooperating with the transverse slide groove 16 of the middle plate 14.

[0035] A limit block 21 is provided on the inner wall of the unlocking groove 9, and limit parts 22 are provided on both sides of the corresponding lock tongue 10, which are matched to achieve limit fixation to prevent the lock tongue 10 from excessive movement, increase the life of the lock tongue 10 and prevent it from popping out. A spring fixing column 23 is provided at the inner end of the lock tongue 10, and an elastic fixing seat 24 is provided at the inner end of the unlocking groove 9. An elastic member 12 is fixed between the spring fixing column 23 and the elastic fixing seat 24, and an outward thrust is always applied to help the lock tongue 10 to cooperate with the lock port of the fuselage to lock. The elastic member 12 is preferably a spring.

[0036] Two fixed shafts 25 are also provided on the top of the middle plate 14. The fixed shafts 25 are inserted into the arc-shaped guide holes 20. By cooperating with the handle 5, the handle 5 can be rotated more stably and lightly. The tops of the fixed shafts 25 and the push shaft 11 are sleeved with limit rings 26 to prevent the fixed shafts 25 and the push shaft 11 from coming out of the arc-shaped guide holes 20. The middle plate 14 is provided with a plurality of fixing holes 27, preferably four fixing holes 27. The screws pass through the fixing holes 27 and are fixed to the screw columns 28 on the top of the base 6, so that the middle plate 14 and the base 6 are fixed together to increase firmness.

[0037] There are preferably four arc-shaped guide holes 20 at the bottom of the handle 5, and the radius of the arc-shaped guide holes 20 along the inner side from the center of the handle is gradually changed, respectively matching the number of fixed shafts 25 and push shafts 11. The fixed shafts 25 and push shafts 11 are preferably two each, arranged at intervals from each other, so as to realize the connection and pushing function between the handle 5 and the base 4. A buckle 29 is provided on the inner wall of the cover sleeve 7, and a corresponding card slot 30 is provided on the outer wall of the base to realize the card connection and fixation.

[0038] When the user uses this product, he only needs to rotate the handle 5 on the top of the bottle body 1. During the rotation of the handle 5, the arc-shaped guide hole 20 drives the push shaft 11 to move along the horizontal slide groove 16, so that the lock tongue 10 moves inward, and the lock tongue 10 moves away from the fixed part on the body, such as the lock hole 33, passes through the base unlocking hole 13 and the cover unlocking hole 18, and then retracts into the unlocking groove 9. Then, the bottle body 1 is pulled out from the filter bottle cavity of the filter body through the handle 5, and after replacing the new filter element 3, the bottle body 1 is pushed into the filter bottle cavity. The lock tongue 10 passes through the base unlocking hole 13 and the cover unlocking hole 18 with the force applied by the elastic member 12, and is fixed to the fixed part on the body, such as the lock hole, thereby realizing the locked state.

Claims

1. A locking and removing device for a filter bottle, the filter bottle comprises a bottle body and a cover body, the cover body is detachably fixed at the bottle mouth on the top of the bottle body, and a filter element is provided in the space between the bottle body and the cover body; the filter bottle is detachably fixed in the filter bottle cavity of the filter machine body, Features: The cover body includes a base and a handle, and the base includes a pedestal and a cover sleeve; The base has a concave installation cavity, a central axis is provided in the center, an unlocking groove is provided on each side of the central axis, a lock tongue is provided in each unlocking groove, a push shaft is provided on the lock tongue, an elastic member is fixed between the inner end of the lock tongue and the unlocking groove to keep it popping outward, and a base unlocking hole is provided on the corresponding base; The middle plate has a through hole in the center for the central shaft to pass through, and a transverse sliding groove is provided on both sides of the through hole for the push shaft on the lock tongue to pass through and slide, and the middle plate is arranged on the mounting cavity of the base; The cover sleeve has a center hole in the center, and a cover sleeve unlocking hole is opened on the outer wall of the cover sleeve, which matches the unlocking hole of the base, for the lock tongue to pass through when in a locked state, and the cover sleeve is connected to the base; The handle has a central axis hole at the bottom center for the central axis to be inserted and connected. The bottom of the handle is provided with an arc-shaped guide hole for the push shaft of the lock tongue to pass through, which cooperates with the horizontal sliding groove of the middle plate to promote the sliding of the lock tongue in and out.

2. A filter element locking and removal device according to claim 1, characterized in that The top of the middle plate is provided with two fixed shafts, which penetrate into the arc-shaped guide holes and cooperate with the handles.

3. A filter element locking and removal device according to claim 2, characterized in that The top sleeves of the fixed shaft and the push shaft are provided with limiting rings to prevent the fixed shaft and the push shaft from falling out of the arc-shaped guide hole.

4. A filter element locking and removal device according to claim 3, characterized in that The number of the arc-shaped guide holes is four, which respectively matches the number of the fixed shaft and the push shaft.

5. A filter element locking and removal device according to claim 1, characterized in that The inner wall of the cover sleeve is provided with a buckle, and correspondingly, the outer wall of the base is provided with a slot to achieve snap connection and fixation.

6. A filter element locking and removal device according to claim 1, characterized in that A limiting block is arranged on the inner wall of the unlocking groove, and limiting parts are arranged on both sides of the corresponding lock tongue to match with each other to realize limiting fixation.

7. A filter element locking and removal device according to claim 1, characterized in that The inner end of the lock tongue is provided with a spring fixing column, the inner end of the unlocking groove is provided with a spring fixing seat, and a spring is fixed between the spring fixing column and the spring fixing seat.

8. A filter element locking and removal device according to claim 1, characterized in that The middle plate is provided with a plurality of fixing holes, and screws pass through the fixing holes and are fixed to the screw columns on the top of the base, so that the middle plate and the base are fixed together.

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