CN218076731U - Locking mechanism and water purifier - Google Patents

Abstract

The utility model provides a locking mechanism, include: the filter element fixing device comprises a base, wherein a clamping part is arranged on one end face of the base and used for locking the filter element; the movable rod moves linearly on the base, and a matching part is arranged on the movable rod and matched with the clamping part; one end of the U-shaped rod is connected to the base, the other end of the U-shaped rod is matched with the movable rod, and the U-shaped rod is used for positioning the movable rod when the locking mechanism is in a locking state or an unlocking state; and the spring is connected between the movable rod and the base. The utility model discloses a locking mechanism's setting reaches the purpose of locking and unblock filter core to this has realized the quick installation and the dismantlement of filter core, makes the filter core convenient and swift at the dismouting in-process not only, has solved the inconvenient problem of water purifier filter core dismouting well, has also effectively prevented that the filter core from taking place to take off in the use and leading to the condition of leaking, also provides the powerful guarantee for the miniaturized design of water purifier simultaneously.

Description

Locking mechanism and water purifier

Technical Field

The utility model relates to a water purifier technical field, concretely relates to locking mechanism and water purifier.

Background

The water purifier is also called water purifier and water quality purifier, and is water treatment equipment for deeply filtering and purifying water according to the use requirement of water.

At present, the water purifier is often used in daily production and life, and is generally connected in series in a water conveying pipeline through a connecting pipe to play a role in purifying water quality; the water purifying filter elements of the water purifiers generally need to be replaced after the water purifiers are used for a period of time and the purifying capacity is poor; if the filter element is inconvenient to replace, the use experience of a user is influenced, and the purchase intention of the user is influenced.

Therefore, the purification effect of the filter element is reduced after long-time use, so that people are not relieved in the use process, the use requirements of people cannot be met, and the work of people is inconvenient; moreover, replacement of filter elements of some water purifiers on the market even needs professional after-sales personnel to go to the home for service, so that the large-scale popularization of products is not facilitated.

In view of the above, it is necessary to provide a technical solution to the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: the utility model provides a locking mechanism and water purifier, solve the inconvenient problem of changing of above-mentioned water purifier filter core.

In order to realize the purpose, the utility model adopts the following technical scheme:

an object of the utility model is to provide a locking mechanism, include:

the filter element fixing device comprises a base, wherein a clamping part is arranged on one end face of the base and used for locking the filter element;

the movable rod moves linearly on the base, and is provided with a matching part which is matched with the clamping part;

one end of the U-shaped rod is connected to the base, the other end of the U-shaped rod is matched with the movable rod, and the U-shaped rod is used for positioning the movable rod when the locking mechanism is in a locking state or an unlocking state;

and the spring is connected between the movable rod and the base.

As an improvement of the locking mechanism, a square groove and a locking groove are arranged on the side wall of the movable rod, the locking groove is located on the bottom surface of the square groove, and the locking groove is matched with the U-shaped rod in a clamping mode.

As an improvement of the locking mechanism, the locking groove is a closed-loop groove consisting of a plurality of platforms with different depths and two inclined surfaces.

As an improvement of the locking mechanism, long guide ribs are arranged on two opposite side walls of the movable rod, short guide ribs are arranged on the two opposite side walls of the movable rod, and the radial heights of the two short guide ribs are different.

As an improvement of the locking mechanism, the locking mechanism further comprises a fixing ring, wherein the fixing ring is arranged on the base, and the fixing ring is sleeved on the outer side of the U-shaped rod.

A second object of the present invention is to provide a water purifier, which comprises a water purifier main body, a filter element and the locking mechanism, wherein the water purifier main body comprises a first main body and a second main body, the first main body and the second main body are covered, and the first main body has a first accommodating groove and a second accommodating groove; the filter element is arranged in the first accommodating groove and comprises a fixed block; locking mechanism sets up on the second holding tank, locking mechanism with the fixed block cooperation, locking mechanism is used for passing through the fixed block is right the filter core carries on spacingly.

As an improvement of the water purifier, the filter element further includes:

the water inlet pipe and the water outlet pipe are arranged in parallel along the radial direction of the first cover plate;

the filter cartridge is connected with the first cover plate, and a first cavity is formed between the filter cartridge and the first cover plate;

the filter material is arranged in the first cavity and communicated with the water outlet pipe;

the first transmission head is communicated with the water outlet pipe, and the fixed block is connected to the first transmission head;

and the second transmission head is communicated with the water inlet pipe.

As an improvement of the water purifier, a water storage cavity is formed between the filter material and the inner wall of the filter cylinder, and the water inlet pipe is communicated with the water storage cavity.

As an improvement of the water purifier, the first transmission head and the second transmission head are both provided with bulges and are perpendicular to the bulges.

As an improvement of the water purifier, the water inlet pipe and the water outlet pipe are both provided with openings, and the openings are in clamping fit with the bulges.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1) The utility model discloses a locking mechanism's setting reaches the purpose of a key locking and unblock filter core to this has realized the quick installation and the dismantlement of filter core, makes the filter core not only convenient but also swift at the dismouting in-process, has solved the inconvenient problem of water purifier filter core dismouting well, has also prevented effectively that the filter core from taking place the pine to take off in the use and leading to the condition of leaking, also provides the powerful guarantee for the miniaturized design of water purifier simultaneously.

Drawings

Fig. 1 is an exploded view of a locking mechanism provided by the present invention.

Fig. 2 is the utility model provides a pair of locking mechanism's unblock state structure sketch map.

Fig. 3 is a cross-sectional view of a locking mechanism provided by the present invention.

Fig. 4 is one of the schematic structural diagrams of the second cover plate of the locking mechanism according to the present invention.

Fig. 5 is a second schematic structural diagram of a second cover plate of the locking mechanism according to the present invention.

Fig. 6 is a schematic view of a base structure of a locking mechanism provided by the present invention.

Fig. 7 is a schematic view of a movable rod structure of a locking mechanism provided by the present invention.

Fig. 8 is a side view of a movable rod of a locking mechanism provided by the present invention.

Fig. 9 is a schematic view of a local structure of a movable rod of a locking mechanism provided by the present invention.

Fig. 10 is a schematic structural diagram of a water purifier according to the present invention.

Fig. 11 is a schematic view of a partial structure of a water purifier according to the present invention.

Fig. 12 is an exploded view of the filter element of the water purifier according to the present invention.

Fig. 13 is a cross-sectional view of a filter element of a water purifier provided by the present invention.

Fig. 14 is a schematic view of a first transmission head structure of a water purifier according to the present invention.

Fig. 15 is a schematic diagram of a second transmission head structure of a water purifier according to the present invention.

In the figure: 1-base, 1001-clamping part, 1002-guide groove, 1003-mounting groove, 1004-positioning column, 1005-cylindrical boss, 2-movable rod, 201-matching part, 202-button, 203-long guide rib, 204-short guide rib, 3-U-shaped rod, 4-spring, 5-second cover plate, 51-flange surface, 52-semicircular hole, 53-square groove, 54-boss, 55-reinforcing rib, 6-locking groove, 7-square groove, 8-fixing ring, 9-water purifier body, 91-first body, 92-second body, 10-filter element, 101-fixing block, 102-first cover plate, 103-filter cartridge, 104-filter material, 105-first transmission head, 106-second transmission head, 107-water storage cavity, 108-bulge.

Detailed Description

In order to make the technical solutions and advantages of the present invention clearer, the present invention and its advantages will be described in further detail below with reference to specific embodiments and drawings of the specification, but the embodiments of the present invention are not limited thereto.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

As shown in fig. 1 to 15, a locking mechanism includes a base 1, a movable rod 2, a U-shaped rod 3 and a spring 4, wherein a clamping portion 1001 is disposed on one end surface of the base 1, and the clamping portion 1001 is used for locking a filter element 10; the movable rod 2 moves linearly on the base 1, a matching part 201 is arranged on the movable rod 2, and the matching part 201 is matched with the clamping part 1001; one end of the U-shaped rod 3 is connected to the base 1, the other end of the U-shaped rod is matched with the movable rod 2, and the U-shaped rod 3 is used for positioning the movable rod 2 when the locking mechanism is in a locking state or an unlocking state; the spring 4 is connected between the movable rod 2 and the base 1. The movable rod 2 is connected with the base 1 in a sliding mode, the matching portion 201 is in a conical shape, the upper portion of the movable rod 2 is connected with the second cover plate 5 in a sliding mode, and the movable rod 2 penetrates through the second cover plate 5. The utility model discloses a locking mechanism's setting is locked and is unblock to filter core 10 to this has realized quick installation and the dismantlement of filter core 10, makes filter core 10 convenient and swift at the dismouting in-process, has solved the inconvenient problem of water purifier filter core 10 dismouting well, has also effectively prevented that filter core 10 from taking place to take off in the use and leading to the condition of leaking, also provides the powerful guarantee for the miniaturized design of water purifier simultaneously.

The spring 4 is a conventional pressure spring 4, and the spring 4 can provide upward moving power for the movable rod 2 during the unlocking process of the locking mechanism.

More preferably, the side wall of the movable rod 2 is provided with a square groove 7 and a locking groove 6, the locking groove 6 is positioned on the bottom surface of the square groove 7, and the locking groove 6 is in clamping fit with the U-shaped rod 3.

More preferably, the locking groove 6 is a closed loop groove consisting of a plurality of platforms with different depths and two inclined planes.

Specifically, as shown in fig. 9, the locking groove 6 divides the groove bottom of the square groove 7 into three parts, and the bottom of the locking groove 6 is designed with six platforms (1), (2), (3), (4), (5) and (6); the depth contrast between the groove bottom plane of the square groove 7 and each platform is as follows: (1) (2) < (3) < (4) < (5) > (6) < (1); from these depth relationships it can be seen that going from (1) to (2) is from low to high, so in order to make it easier and smoother to move the U-shaped bar 3 from (1) to (2), an inclined surface is provided between the two platforms (1) and (2) to connect them together; similarly, an inclined plane is also arranged between the two platforms (5) and (6) to connect the two platforms together. In order to change the locking mechanism from the unlocking state to the locking state, the movable rod 2 and the U-shaped rod 3 are pressed down by hands: (1) the motion of the tracks of → (2) → (3) → (4), after the U-shaped rod 3 is pressed to the bottom and hands are released, the U-shaped rod is automatically hung at the lower concave position of the platform (4), the locking state can be changed, and the spring 445 is compressed for a certain distance; when wanting locking mechanism to change from the locking state to the unblock state, as long as press movable rod 2 again and release one's hand behind the bottom, movable rod 2 just plays from bottom to top under the effect of spring 4 resilience force, and U-shaped pole 3 just presses: (4) and (3) moving along a track of → 5 → 6 → 1, and finally automatically hanging and buckling at the lower concave position of the platform (1) to realize unlocking. Therefore, the user only needs to lightly press the movable rod 2 to lock the filter element 10 or unlock the filter element 10, and the one-key operation mode is very convenient and fast.

More preferably, the two opposite side walls of the movable rod 2 are provided with long guide ribs 203, the other two opposite side walls are provided with short guide ribs 204, and the two short guide ribs 204 have different radial heights. Long direction muscle 203 sets up in the left and right sides of 2 lower part outer walls of movable rod, short direction muscle 204 sets up in the front and back both sides of 2 lower part outer walls of movable rod, the radial height of the short direction muscle 204 of fore-and-aft direction differs, the misloading direction when can effectively preventing staff's equipment movable rod 2, so movable rod 2 can cooperate with base 1 only one direction, after the cooperation of base 1 inner wall on direction muscle and the base 1 inner wall, can play the effect of direction for the activity of movable rod 2.

More preferably, the device further comprises a fixing ring 8, wherein the fixing ring 8 is arranged on the base 1, and the fixing ring 8 is sleeved outside the U-shaped rod 3. The fixing ring 8 is a cylindrical spring 4 with certain elasticity and 2-3 turns produced by a wire similar to the spring 4 and a processing mode. It is used for binding the U-shaped rod 3 on the base 1; because solid fixed ring 8 and U-shaped pole 3 all have certain elasticity, so the U-shaped pole 3 that the ligature is good has fine elasticity, does benefit to very much that locking mechanical system U-shaped pole 3 slides in the movable rod 2 locking groove 6 that the depth differs.

A water purifier comprises a water purifier main body 9, a filter element 10 and the locking mechanism, wherein the water purifier main body 9 comprises a first main body 91 and a second main body 92, the first main body 91 and the second main body 92 are covered, and the first main body 91 is provided with a first accommodating groove and a second accommodating groove; the filter element 10 is arranged in the first accommodating groove, and the filter element 10 comprises a fixing block 101; locking mechanism sets up on the second holding tank, and locking mechanism and fixed block 101 cooperation, locking mechanism are used for spacing filter core 10 through fixed block 101. Specifically, first holding tank is three, the second holding tank is located the axle center position of first main part 91, three first holding tank encircles and sets up in the circumference of second holding tank, and the interval between the first holding tank is even, block fixed block 101 through locking mechanism, fixed block 101 is blockked the back and can not the rebound, consequently filter core 10 also can not the rebound, thereby reach the mesh to filter core 10 locking, when needing to the unblock of filter core 10, control locking mechanism not blockking fixed block 101 can.

Through the cooperation of locking mechanism and fixed block 101, reach the purpose of a key locking and unblock filter core 10, realized the quick replacement of filter core 10 for filter core 10 is not only convenient but also swift at the dismouting in-process, has solved the inconvenient problem of water purifier filter core 10 dismouting well, provides the guarantee for the miniaturized design of water purifier.

More preferably, the filter element 10 further includes a first cover plate 102, a filter cartridge 103, a filter material 104, a first transmission head 105 and a second transmission head 106, the first cover plate 102 is provided with a water outlet pipe and a water inlet pipe, and the water outlet pipe and the water inlet pipe are arranged in parallel along the radial direction of the first cover plate 102; the filter cartridge 103 is connected with the first cover plate 102, and a first cavity is formed between the filter cartridge 103 and the first cover plate 102; the filter material 104 is arranged in the first cavity, and the filter material 104 is communicated with the water outlet pipe; the first transmission head 105 is communicated with the water outlet pipe, and the fixed block 101 is connected to the first transmission head 105; the second transfer head 106 is in communication with the inlet conduit. Specifically, the fixing block 101 is connected to the middle of the outer wall of the water outlet end of the first transmission head 105, the first cover plate 102 is connected to the filter cartridge 103 in a threaded or ultrasonic welding manner, the filter material 104 is a rod-shaped filter material 104, the upper portion of the first cover plate 102 is cylindrical, the water outlet pipe and the water inlet pipe are both connected to the cylindrical portion of the first cover plate 102, the water outlet pipe and the water inlet pipe are distributed in a vertical parallel manner, a handle is rotatably arranged on the first cover plate 102, the filter cartridge 10 can be taken by the handle, both ends of the first transmission head 105 and the second transmission head 106 are communicated, both ends of the first transmission head 105 and the second transmission head 106 are provided with sealing ring grooves, after the sealing rings are mounted at the sealing ring grooves, the first transmission head 105 can be connected to the inner wall of the water outlet pipe in a sealing manner, the second transmission head 106 is connected to the water inlet pipe in a sealing manner, the first transmission head 105 is connected to the water outlet end of the first main body 91, and the second transmission head 106 is connected to the water inlet end of the first main body 91. When water needs to be filtered, water is injected into the water purifier through the second transmission head 106, water flows through the filter cartridge 103 and the filter material 104 in sequence to be filtered, and flows out of the first transmission head 105 after being filtered, so that water purification is completed.

More preferably, a water storage cavity 107 is formed between the filter medium 104 and the inner wall of the filter cartridge 103, and the water inlet pipe is communicated with the water storage cavity 107. Specifically, in operation, water enters the water storage cavity 107 from the second delivery head 106 and then passes through the filter cartridge 103 and the filter material 104.

More preferably, the first transfer head 105 and the second transfer head 106 are both provided with a protrusion 108, and the first transfer head 105 and the second transfer head 106 are both perpendicular to the protrusion 108. Specifically, the protrusions 108 are axially disposed on top outer walls of the first transmission head 105 and the second transmission head 106, and the protrusions 108 are elongated.

More preferably, the inlet pipe and the outlet pipe are both provided with openings, and the openings are in clamping fit with the protrusions 108. Specifically, the protrusion 108 on the first transmission head 105 is clamped with the opening on the water outlet pipe, the protrusion 108 on the second transmission head 106 is clamped with the opening on the water inlet pipe, and the first transmission head 105 and the second transmission head 106 are both vertically arranged downwards. Through protruding 108 and opening joint, first transmission head 105 can not rotate round the outlet pipe axle center, and second transmission head 106 can not rotate round the inlet pipe axle center yet, can only vertical fixed downwards, has ensured the reliability of first transmission head 105 and the first 106 installation of second transmission, also does benefit to the erection joint of filter core 10.

More specifically, the second cover plate 5 is inverted T-shaped, the lower portion of the second cover plate 5 is provided with a flange surface 51, the flange surface 51 is provided with a plurality of semicircular holes 52, the inner side walls of the semicircular holes 52 are provided with square grooves 53, when the filter element 10 is assembled, the fixing blocks 101 on the first transmission head 105 are inserted in the square grooves 53, the flange surface 51 is further provided with a plurality of fixing holes, the fixing holes are connected through screws, the second cover plate 5 can be fixed on the top surface of the first main body 91, and after the fixing is completed, a cylindrical inner cavity is formed between the second cover plate 5 and the first main body 91, the diameter of the inner cavity is larger than the maximum diameter of the matching portion 201 of the movable rod 2, so that the movable rod 2 can flexibly slide up and down in the inner cavity; a boss 54 is further arranged in the middle of the flange surface 51, a central hole is formed in the middle of the top of the boss 54, and the upper end of the movable rod 2 penetrates out of the central hole; the lower end of the flange face 51 extends downwards to form a reinforcing rib 55, the reinforcing rib 55 is arranged to enable an interlayer to be formed between the flange face 51 and the top face of the first main body 91, the interlayer space is divided into a plurality of parts, the number and the positions of the interlayer space correspond to those of the semicircular holes 52, each interlayer space can play a role in guiding the movement of the corresponding clamping portion 1001, and the clamping portion 1001 can only stretch radially and cannot move up and down under the pushing of the matching portion 201 of the movable rod 2; the upper end of the movable rod 2 is provided with a button 202, and the button 202 is used to seal the space at the top of the movable rod 2.

The U-shaped rod 3 is made of conventional hard metal wire rods, and in the process that the movable rod 2 moves up and down, the U-shaped rod 3 is matched with the locking groove 6 to play a role in limiting; base 1 is T shape, and base 1 top is provided with three joint portion 1001 radially symmetrically, respectively is provided with a base 1 screw hole on the base 1 position that links to each other with every joint portion 1001, can fix base 1 on first main part 91 through the screw.

The middle part of base 1 is sleeve form, telescopic inner wall and the corresponding position department of long direction muscle 203 and short direction muscle 204 are provided with assorted guide way 1002 with it, still be provided with a semicircular mounting groove 1003 on the telescopic inner wall, the bottom central point department of putting of mounting groove 1003 still is provided with the reference column 1004 of a perpendicular to bottom surface, locking mechanism assembles the back, mounting groove 1003 and movable rod 2 surround into a columniform mounting groove 1003, spring 4 installs and is located the mounting groove 1003, and cup joint on reference column 1004, telescopic lower part plane central point department extends the cylindrical boss 1005 that diameter ratio sleeve external diameter is little downwards, be provided with the U-shaped pole 3 groove that is used for installing U-shaped pole 3 on the lateral wall of cylindrical boss 1005, U-shaped pole 3 groove and telescopic inner space are linked together.

When the filter element 10 needs to be locked, the movable rod 2 is pressed downwards, the movable rod 2 moves downwards to compress the spring 4, the matching part 201 also moves downwards so as to slowly push the clamping part 1001 outwards in the radial direction for a certain distance, and when the movable rod 2 presses the bottom, the distance that the clamping part 1001 is pushed outwards is the largest; all the clamping parts 1001 on the base 1 are fastened above the fixing block 101 of the first transmission head 105, so that the filter element 10 cannot be loosened upwards to lock the filter element 10. When the unlocking is required, when the movable rod 2 moves from bottom to top under the action of the resilience force of the spring 4, the thrust of the matching part 201 on the clamping part 1001 is slowly reduced until the thrust is completely eliminated; thereby joint portion 1001 just slowly radially inwards contracts under the effect of self resilience force and leaves fixed block 101, has realized unblock filter core 10's purpose, in addition, in order to let movable rod 2 can automatic positioning in the locking state when being pressed the minimum, perhaps movable rod 2 also can automatic positioning in the unblock state when being upspring the peak by spring 4, U-shaped pole 3 is gone into respectively card in the different grooves on movable rod 2 under two kinds of states, realizes automatic positioning's purpose.

Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (10)

1. A locking mechanism, comprising:

the filter element fixing device comprises a base, wherein a clamping part is arranged on one end face of the base and used for locking the filter element;

the movable rod moves linearly on the base, and is provided with a matching part which is matched with the clamping part;

one end of the U-shaped rod is connected to the base, the other end of the U-shaped rod is matched with the movable rod, and the U-shaped rod is used for positioning the movable rod when the locking mechanism is in a locking state or an unlocking state;

and the spring is connected between the movable rod and the base.

2. The locking mechanism of claim 1, wherein a square groove and a locking groove are arranged on the side wall of the movable rod, the locking groove is located on the bottom surface of the square groove, and the locking groove is in clamping fit with the U-shaped rod.

3. The latch mechanism of claim 2, wherein the latch slot is a closed loop slot formed by a plurality of lands of varying depth and two ramps.

4. The locking mechanism of claim 1, wherein the movable rod is provided with long guide ribs on two opposite side walls, and short guide ribs on two opposite side walls, and the two short guide ribs have different radial heights.

5. The locking mechanism of claim 1, further comprising a retaining ring disposed on the base, the retaining ring being fitted over the outside of the U-shaped bar.

6. A water purifier comprising a water purifier main body, a filter element and a locking mechanism according to any one of claims 1 to 5, wherein the water purifier main body comprises a first main body and a second main body, the first main body and the second main body are covered, and the first main body is provided with a first accommodating groove and a second accommodating groove; the filter element is arranged in the first accommodating groove and comprises a fixing block; locking mechanism sets up on the second holding tank, locking mechanism with the fixed block cooperation, locking mechanism is used for passing through the fixed block is right the filter core carries on spacingly.

7. The water purifier of claim 6, wherein the filter element further comprises:

the water inlet pipe and the water outlet pipe are arranged in parallel along the radial direction of the first cover plate;

the filter cartridge is connected with the first cover plate, and a first cavity is formed between the filter cartridge and the first cover plate;

the filter material is arranged in the first cavity and communicated with the water outlet pipe;

the first transmission head is communicated with the water outlet pipe, and the fixed block is connected to the first transmission head;

and the second transmission head is communicated with the water inlet pipe.

8. The water purifier as claimed in claim 7, wherein a water storage cavity is formed between the filter material and the inner wall of the filter cartridge, and the water inlet pipe is communicated with the water storage cavity.

9. The water purifier according to claim 7, wherein the first and second transmission heads are provided with protrusions, and the first and second transmission heads are perpendicular to the protrusions.

10. The water purifier of claim 9, wherein the inlet tube and the outlet tube are both provided with openings, and the openings are clamped and matched with the protrusions.

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