CN219363281U - Water purifier - Google Patents

Abstract

The utility model discloses a water purifier, which comprises a shell, a mounting bracket arranged in the shell and an electric control box arranged on the mounting bracket, wherein the electric control box comprises a box body and a mounting part arranged on the box body, an elastic pressing component and a limiting rod are arranged on the mounting bracket, the middle part of the limiting rod is rotationally connected to the mounting bracket, the elastic pressing component is arranged on the mounting bracket in a penetrating way and is connected with the end part of the limiting rod, and the elastic pressing component rotates by pushing the limiting rod so as to enable the limiting rod to be switched from a locking position locked with the mounting part to an unlocking position for releasing the mounting part. According to the utility model, the elastic pressing component and the limiting rod are arranged on the mounting bracket, the end parts of the elastic pressing component are connected, the locking and unlocking of the electric control box can be realized by rotating the limiting rod, the whole mounting and dismounting process is simple and convenient to operate, the time consumption is short, and the production and assembly efficiency is greatly improved.

Description

Water purifier

Technical Field

The utility model belongs to the field of water purifying equipment, and particularly relates to a water purifier.

Background

Along with the improvement of living standard, the requirements of people on water quality are higher and higher, so that the water purifier is widely applied. At present, the electric control box for installing the installation control board in the water purifier on the market generally needs to be fixed on the main support through a plurality of screws, assembly efficiency is low, and the electric control box is hard-connected with the installation support, and when the whole machine falls down or falls down, electronic components on the electric control board are easy to damage.

Disclosure of Invention

The utility model aims to provide a water purifier to solve at least one of the problems.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a purifier, including the shell, locate the installing support in the shell and locate the automatically controlled box on the installing support, automatically controlled box includes the box body and locates the installation department on the box body, be equipped with elasticity on the installing support and press subassembly and gag lever post, the middle part of gag lever post rotates to be connected on the installing support, elasticity is pressed the subassembly and is worn to establish on the installing support and link to each other with the tip of gag lever post, elasticity is pressed the subassembly and is rotated through promoting the gag lever post, so that the gag lever post is switched to the unblock position that supplies the installation department to break away from by the locking position with installation department locking.

In the above-mentioned purifier, be equipped with the mounting hole on the installing support, the elasticity is pressed the subassembly and is established at the first elastic component of push rod periphery side including wearing to establish the push rod in the mounting hole and cover, and first elastic component offsets with push rod and installing support respectively to through push rod pulling gag lever post to locking position.

In the above-mentioned purifier, the push rod is including the cover be equipped with the body of rod of first elastic component and locate the body of rod and keep away from the annular spacing muscle of gag lever post one end, the both ends of first elastic component offset with annular spacing muscle and installing support respectively and deviate from one side of automatically controlled box.

In the above-mentioned purifier, the gag lever post has installation end and spacing end, and the installation end rotates with elasticity and is connected with the subassembly of pressing, and when the gag lever post was in the locking position, spacing end and installation department peg graft in order to carry out spacing on the horizontal direction to the automatically controlled box.

In the water purifier, the mounting bracket is provided with the positioning convex rib, and when the limiting rod is positioned at the locking position, the positioning convex rib is propped against the limiting end to prevent the limiting end from being far away from the mounting bracket.

In the above water purifier, the positioning ribs are provided with guide inclined planes which incline towards the electric control box so as to guide the mounting part when the electric control box is mounted.

In the water purifier, the mounting part is a mounting ring arranged at the back of the box body, and the limiting end is spliced with the mounting ring to limit the electric control box; or the installation part is an installation bulge arranged at the back of the box body, the installation bulge is provided with an inserting groove, and the limiting end is inserted into the inserting groove to limit the electric control box.

In the above water purifier, the mounting bracket is further provided with an elastic pushing member, and when the limit rod is in the locking position, the elastic pushing member abuts against the mounting portion and clamps the mounting portion together with the limit end.

In the above water purifier, the mounting bracket is provided with a through hole, the elastic pushing member comprises a compression bar penetrating through the through hole and a second elastic member sleeved on the outer peripheral side of the compression bar, and the second elastic member is respectively propped against the compression bar and the mounting bracket to push the compression bar to one side of the limit bar.

In the water purifier, the mounting bracket is provided with the annular mounting ribs which enclose the mounting groove, and when the electric control box is embedded in the mounting groove, the peripheral side of the electric control box is propped against the annular mounting ribs.

The beneficial effects of the utility model are as follows:

the utility model provides a purifier, including the shell, locate the installing support in the shell and locate the automatically controlled box on the installing support, automatically controlled box includes the box body and locates the installation department on the box body, be equipped with elasticity on the installing support and press subassembly and gag lever post, the middle part of gag lever post rotates to be connected on the installing support, elasticity is pressed the subassembly and is worn to establish on the installing support and link to each other with the tip of gag lever post, elasticity is pressed the subassembly and is rotated through promoting the gag lever post, so that the gag lever post is switched to the unblock position that supplies the installation department to break away from by the locking position with installation department locking. The technical scheme has the following technical effects:

according to the utility model, the elastic pressing component and the limiting rod which are connected with each other at the end parts are arranged on the mounting bracket, and the mounting part is arranged on the electric control box, so that when the electric control box is mounted on the mounting bracket, the electric control box is only required to be pushed to the mounting bracket, and the limiting rod can be pushed by the mounting part for mounting; when the electric control box is mounted on the mounting bracket, the limiting rod rotates to a locking position under the pulling of the elastic pressing assembly, and the electric control box is locked through limiting the mounting part; when the electric control box is required to be detached from the mounting bracket, the elastic pressing component is pressed, and horizontally moves on the mounting bracket to push the limiting rod to rotate, so that the limiting rod rotates from the locking position to the unlocking position to be disengaged from the mounting part. The whole mounting and dismounting process is simple and convenient to operate, and has short time consumption, so that the production and assembly efficiency is greatly improved; when the water purifier falls down or falls down, the limiting rod can rotate along with the movement of the elastic pressing component, a certain buffer allowance is given to the installation part in a locking state, soft contact is formed between the installation part and the end part of the limiting rod, damage to a circuit board fixed in the electric control box is avoided, and the service life of the circuit board is prolonged.

The mounting bracket is provided with a mounting hole, the elastic pressing assembly comprises a push rod penetrating through the mounting hole and a first elastic piece sleeved on the outer peripheral side of the push rod, and the first elastic piece is respectively propped against the push rod and the mounting bracket to pull the limiting rod to a locking position through the push rod. The first elastic piece pulls the limiting rod to the locking position through the push rod, so that when the electric control box is mounted on the mounting bracket, the limiting rod can be matched with the mounting bracket to stably limit and lock the mounting part, and the electric control box is prevented from being freely detached from the mounting bracket.

The push rod is provided with a rod body of the first elastic piece in a sleeved mode and an annular limiting rib arranged at one end, far away from the limiting rod, of the rod body, and two ends of the first elastic piece are abutted to one side, deviating from the electric control box, of the annular limiting rib and the mounting support respectively. Through setting up annular spacing muscle, can carry out spacingly to first elastic component to prevent that first elastic component from disengaging from the push rod, annular spacing muscle can also carry out spacingly to the push rod simultaneously, in order to prevent that the push rod from disengaging freely in the mounting hole, when guaranteeing to dismantle automatically controlled box, the staff can find the elasticity fast accurately and press the subassembly and press.

The limiting rod is provided with a mounting end and a limiting end, the mounting end is rotationally connected with the elastic pressing assembly, when the limiting rod is in a locking position, the limiting end is spliced with the mounting part to limit the electric control box in the horizontal direction, the matching structure is simple, and the limiting effect is good.

The mounting bracket is provided with a positioning convex rib, and when the limiting rod is in a locking position, the positioning convex rib is propped against the limiting end to prevent the limiting end from being far away from the mounting bracket. When the limiting rod is in the locking position, the limiting end of the limiting rod abuts against the positioning convex rib to limit the limiting rod, the limiting end is prevented from continuing to rotate in the direction away from the unlocking position, namely, the limiting end is prevented from continuing to be away from the mounting bracket, and the locking effect of the limiting rod on the mounting portion is guaranteed.

The positioning convex rib is provided with a guide inclined plane which inclines towards the electric control box so as to guide the installation part when the electric control box is installed. When the electric control box is installed, the guide inclined plane can guide the installation ring, so that the installation ring can slide along the guide inclined plane towards the direction of the installation support and push away the limit rod, and the operation is more convenient.

The mounting bracket is also provided with an elastic pushing piece, when the limiting rod is in a locking position, the elastic pushing piece is propped against the mounting part and clamps the mounting part together with the limiting end, so that the mounting part is prevented from shaking between the limiting end of the limiting rod and the mounting bracket, and the phenomenon that the electric control box severely vibrates on the mounting bracket to generate noise during the working of the water purifier is avoided.

Be equipped with the through-hole on the installing support, the elasticity impeller is including wearing to establish the depression bar in the through-hole and the second elastic component of cover at the depression bar periphery side of establishing, and the second elastic component offsets with depression bar and installing support respectively to promote the depression bar to gag lever post one side, the through-hole can lead and spacing to the elasticity impeller, makes simple structure's elasticity impeller can be on the installing support steady operation, more reliable.

The mounting bracket is provided with an annular mounting rib surrounding the mounting groove, and when the electric control box is embedded in the mounting groove, the peripheral side of the electric control box is propped against the annular mounting rib so as to avoid shaking of the electric control box along the side wall of the mounting bracket.

The features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.

Drawings

The utility model is further described with reference to the drawings and detailed description which follow:

fig. 1 is a perspective view showing a mounting bracket and an electronic control box in an assembled state in a first embodiment;

FIG. 2 is a perspective view of a mounting bracket according to the first embodiment;

FIG. 3 is a partial cross-sectional view of the first embodiment with the mounting bracket and the electronic control box unassembled;

FIG. 4 is a partial cross-sectional view of the mounting bracket and electronics cartridge of the first embodiment;

fig. 5 is a partial cross-sectional view of the mounting bracket and the electronic control box in accordance with the first embodiment.

Reference numerals:

100. a mounting bracket; 110. a mounting hole; 120. positioning the convex ribs; 121. a guide slope; 130. a through hole; 140. annular mounting ribs; 141. a mounting groove;

200. an electric control box; 210. a case body; 220. a mounting part;

300. an elastic pressing assembly; 310. a push rod; 311. a rod body; 312. annular limit ribs; 320. a first elastic member;

400. a limit rod; 410. a mounting end; 420. a limiting end; 430. a rotating shaft;

500. an elastic pushing member; 510. a compression bar; 511. a limit column; 520. and a second elastic member.

Detailed Description

The utility model provides a water purifier, which comprises a shell, a mounting bracket arranged in the shell and an electric control box arranged on the mounting bracket, wherein the electric control box comprises a box body and a mounting part arranged on the box body, an elastic pressing component and a limiting rod are arranged on the mounting bracket, the middle part of the limiting rod is rotationally connected to the mounting bracket, the elastic pressing component is arranged on the mounting bracket in a penetrating manner and is connected with the end part of the limiting rod, and the elastic pressing component rotates by pushing the limiting rod so as to enable the limiting rod to be switched from a locking position locked with the mounting part to an unlocking position for releasing the mounting part. According to the utility model, the elastic pressing component and the limiting rod which are connected with each other at the end parts are arranged on the mounting bracket, and the mounting part is arranged on the electric control box, so that when the electric control box is mounted on the mounting bracket, the electric control box is only required to be pushed to the mounting bracket, and the limiting rod can be pushed by the mounting part for mounting; when the electric control box is mounted on the mounting bracket, the limiting rod rotates to a locking position under the pulling of the elastic pressing assembly, and the electric control box is locked through limiting the mounting part; when the electric control box is required to be detached from the mounting bracket, the elastic pressing component is pressed, and horizontally moves on the mounting bracket to push the limiting rod to rotate, so that the limiting rod rotates from the locking position to the unlocking position to be disengaged from the mounting part. The whole mounting and dismounting process is simple and convenient to operate, and has short time consumption, so that the production and assembly efficiency is greatly improved; when the water purifier falls down or falls down, the limiting rod can rotate along with the movement of the elastic pressing component, a certain buffer allowance is given to the installation part in a locking state, soft contact is formed between the installation part and the end part of the limiting rod, damage to a circuit board fixed in the electric control box is avoided, and the service life of the circuit board is prolonged.

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Embodiment one:

1-5, including shell, installing support 100 and automatically controlled box 200, installing support 100 locates in the shell, automatically controlled box 200 locates on the installing support 100, be equipped with the automatically controlled board in the automatically controlled box 200, automatically controlled box 200 includes box body 210 and locates the installation department 220 at box body 210 back, be equipped with elasticity on installing support 100 and push subassembly 300 and gag lever post 400, the middle part of gag lever post 400 is rotated through pivot 430 and is connected on installing support 100, gag lever post 400 has the locking position with installation department 220 locking and the unblock position that supplies installation department 220 to disengage, gag lever post 400 makes its both ends to the opposite direction remove through rotating, and then make gag lever post 400 switch between locking position and unblock position. The elastic pressing assembly 300 is arranged on the mounting bracket 100 in a penetrating manner and can horizontally move on the mounting bracket 100, two ends of the elastic pressing assembly 300 are respectively positioned on two sides of the mounting bracket 100, and the end, close to the electric control box 200, of the elastic pressing assembly 300 is connected with the end of the limiting rod 400. When the electronic control box 200 is mounted to the mounting bracket 100, the mounting portion 220 pushes the stopper rod 400 away to perform mounting; when the electric control box 200 is mounted on the mounting bracket 100, the limit rod 400 rotates to a locking position under the pushing of the elastic pressing assembly 300, and the electric control box 200 is locked through the limit of the mounting part 220; when the electronic control box 200 needs to be detached from the mounting bracket 100, the elastic pressing assembly 300 is pressed, the elastic pressing assembly 300 horizontally moves on the mounting bracket 100, and the limiting rod 400 is pushed to rotate, so that the limiting rod 400 rotates from the locking position to the unlocking position, and the mounting part 220 is disengaged.

According to the utility model, the elastic pressing component 300 and the limiting rod 400 with the end parts connected are arranged on the mounting bracket 100, and the mounting part 220 is arranged on the electric control box 200, so that when the electric control box 200 is mounted on the mounting bracket 100, the mounting part 220 can push the limiting rod 400 away for mounting only by pushing the electric control box 200 to the mounting bracket 100; when the electric control box 200 is mounted on the mounting bracket 100, the limit rod 400 rotates to a locking position under the pulling of the elastic pressing assembly 300, and the electric control box 200 is locked through the limit of the mounting part 220; when the electronic control box 200 needs to be detached from the mounting bracket 100, the elastic pressing assembly 300 is pressed, the elastic pressing assembly 300 horizontally moves on the mounting bracket 100, and the limiting rod 400 is pushed to rotate, so that the limiting rod 400 rotates from the locking position to the unlocking position, and the mounting part 220 is disengaged. The whole mounting and dismounting process is simple and convenient to operate, and has short time consumption, so that the production and assembly efficiency is greatly improved; when the water purifier falls down or falls down, the limiting rod 400 can rotate along with the movement of the elastic pressing assembly 300, and a certain buffer margin is given to the mounting part 220 in a locking state, so that the mounting part 220 is in soft contact with the end part of the limiting rod 400, the damage of a circuit board fixed in the electric control box 200 is avoided, and the service life of the circuit board is prolonged.

As shown in fig. 3, in this embodiment, the mounting bracket 100 is provided with a mounting hole 110 that transversely penetrates the mounting bracket 100, the elastic pressing assembly 300 includes a push rod 310 and a first elastic member 320, the push rod 310 is disposed in the mounting hole 110 in a penetrating manner, the first elastic member 320 is sleeved on the outer peripheral side of the push rod 310, two ends of the first elastic member 320 respectively abut against the push rod 310 and the mounting bracket 100, and the first elastic member 320 pulls the limit rod 400 toward the locking position through the push rod 310, so that when the electronic control box 200 is mounted on the mounting bracket 100, the limit rod 400 can be matched with the mounting bracket 100 to stably limit and lock the mounting portion 220, thereby preventing the electronic control box 200 from being freely released from the mounting bracket 100. Preferably, the push rod 310 includes a rod body 311 and an annular limiting rib 312, the annular limiting rib 312 is arranged at one end of the rod body 311 away from the limiting rod 400, the first elastic element 320 is sleeved at the outer peripheral side of the rod body 311, one end of the first elastic element 320 abuts against one side of the mounting bracket 100, which is away from the electronic control box 200, and the other end abuts against the annular limiting rib 312. Through setting up annular spacing muscle 312, can carry out spacingly to first elastic component 320 to prevent that first elastic component 320 from disengaging from push rod 310, simultaneously because the external diameter of annular spacing muscle 312 is greater than mounting hole 110 internal diameter, so annular spacing muscle 312 can also carry out spacingly to push rod 310, in order to prevent push rod 310 from freely disengaging from mounting hole 110, when guaranteeing to dismantle automatically controlled box 200, the staff can find elasticity fast accurately and press subassembly 300 and press.

The two ends of the stop lever 400 in this embodiment are a mounting end 410 and a stop end 420, the mounting end 410 is rotatably connected with the push rod 310 of the elastic pressing assembly 300, and the stop end 420 is used for limiting the mounting portion 220. When the stop lever 400 is in the locking position, the stop end 420 is inserted into the mounting portion 220 to limit the electric control box 200 in the horizontal direction, and the matching structure is simple and the limiting effect is good. The installation department 220 in this embodiment is the collar of locating box body 210 back, and spacing end 420 is through pegging graft with the collar in order to carry out spacingly to automatically controlled box 200, through adopting simple structure's collar as installation department 220, when satisfying the assembly demand with spacing end 420, greatly reduced the production and processing degree of difficulty and cost.

In this embodiment, the positioning rib 120 on the mounting bracket 100, the positioning rib 120 extends from the side wall of the mounting bracket 100 horizontally to the lower side of the stop lever 400, when the stop lever 400 is at the locking position, the stop end 420 of the stop lever 400 abuts against the top surface of the positioning rib 120 to stop the stop lever 400, so that the stop end 420 is prevented from continuing to rotate in the direction away from the unlocking position, that is, the stop end 420 is prevented from continuing to be away from the mounting bracket 100, and the locking effect of the stop lever 400 on the mounting portion 220 is ensured. The end of the positioning convex rib 120 far away from the mounting bracket 100 is further provided with the guide inclined plane 121, the guide inclined plane 121 is formed by bending the end part of the positioning convex rib 120 and inclines towards the electric control box 200, and when the electric control box 200 is mounted, the guide inclined plane 121 can guide the mounting ring, so that the mounting ring can slide along the guide inclined plane 121 towards the mounting bracket 100 and push away the limit rod 400, and the operation is more convenient.

The mounting bracket 100 in this embodiment is further provided with an elastic pushing member 500, the elastic pushing member 500 is located above the positioning protruding rib 120, and in the process of mounting the electronic control box 200, the mounting ring moves with the electronic control box 200 and extrudes the elastic pushing member 500 under the action of external force until the limit end 420 of the limit lever 400 is inserted into the mounting ring, the electronic control box 200 is mounted completely, at this time, the electronic control box 200 is not subjected to external force applied by an operator, and the elastic pushing member 500 pushes the mounting ring in a direction away from the mounting bracket 100 so as to clamp the mounting part 220 together with the limit lever 400 in a locking position, so as to prevent the mounting ring from shaking between the limit end 420 of the limit lever 400 and the mounting bracket 100, and avoid noise generated by severe vibration of the electronic control box 200 on the mounting bracket 100 during operation of the water purifier. Of course, it is understood that the elastic pushing member 500 in the present embodiment may have a structure having an elastic deformation amount, such as a spring.

The elastic pushing member 500 in this embodiment may be attached to the side wall of the mounting bracket 100, or may be embedded in the mounting bracket 100, preferably, the mounting bracket 100 is provided with a through hole 130, the elastic pushing member 500 includes a compression bar 510 and a second elastic member 520, the compression bar 510 is inserted into the through hole 130, the second elastic member 520 is sleeved on the outer peripheral side of the compression bar 510, and one end of the second elastic member 520 abuts against one side of the mounting bracket 100 facing the electronic control box 200, and the other end abuts against the compression bar 510 to push the compression bar 510 toward one side of the limit bar 400. A limit post 511 having a length greater than that of the through hole 130 is vertically installed at a side of the compression bar 510 away from the limit bar 400, so as to prevent the compression bar 510 from being separated from the through hole 130 under the elastic force of the second elastic member 520.

In order to avoid shaking of the electric control box 200 along the side wall of the mounting bracket 100, the mounting bracket 100 is provided with an annular mounting rib 140, the annular mounting rib 140 encloses a mounting groove 141, and when the electric control box 200 is embedded in the mounting groove 141, the peripheral side of the electric control box 200 abuts against the annular mounting rib 140.

As shown in fig. 3, when the electronic control box 200 is not mounted on the mounting bracket 100, the bottom of the limit lever 400 abuts against the positioning rib 120. As shown in fig. 4, in the process of installing the electronic control box 200 to the installation bracket 100, the spacing end 420 is pushed away from the installation ring approaching the installation bracket 100, and the elastic pushing member 500 is extruded until the installation ring passes over the spacing rod 400, the spacing rod 400 which is not pushed by the installation ring is rotated to the locking position by the pushing of the push rod 310, so that the spacing end 420 is inserted into the installation ring, and when the electronic control box 200 is not subjected to the external force applied by an operator, as shown in fig. 5, the elastic pushing member 500 pushes the installation ring in a direction away from the installation bracket 100, so as to clamp the installation ring together with the spacing rod 400 in the locking position, thereby realizing the locking of the electronic control box 200.

Embodiment two:

the first difference between this embodiment and the first embodiment lies in that, in this embodiment, the installation department is for locating the installation arch at box body back, is equipped with the jack groove at the bellied top of installation, and the spacing end is through pegging graft with the jack groove in order to carry out spacingly to automatically controlled box, installation arch and jack groove's setting has strengthened the intensity of installation department, prevents to take place the fracture between installation department and the box body.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. The utility model provides a purifier, includes the shell, locates the installing support in the shell and locates the automatically controlled box on the installing support, its characterized in that: the electric control box comprises a box body and a mounting part arranged on the box body, an elastic pressing assembly and a limiting rod are arranged on the mounting support, the middle part of the limiting rod is rotationally connected to the mounting support, the elastic pressing assembly penetrates through the mounting support and is connected with the end part of the limiting rod, and the elastic pressing assembly rotates by pushing the limiting rod, so that the limiting rod is switched from a locking position locked by the mounting part to an unlocking position for releasing the mounting part.

2. A water purifier as recited in claim 1, wherein: the mounting bracket is provided with a mounting hole, the elastic pressing assembly comprises a push rod penetrating through the mounting hole and a first elastic piece sleeved on the outer peripheral side of the push rod, and the first elastic piece is respectively propped against the push rod and the mounting bracket so as to pull the limiting rod to a locking position through the push rod.

3. A water purifier as recited in claim 2, wherein: the push rod is provided with a rod body of the first elastic piece in a sleeved mode and an annular limiting rib arranged at one end of the rod body away from the limiting rod, and two ends of the first elastic piece are respectively abutted to one side, away from the electric control box, of the annular limiting rib and the mounting support.

4. A water purifier as recited in claim 1, wherein: the limiting rod is provided with a mounting end and a limiting end, the mounting end is rotationally connected with the elastic pressing assembly, and when the limiting rod is positioned at a locking position, the limiting end is spliced with the mounting part to limit the electric control box in the horizontal direction.

5. The water purifier of claim 4 wherein: the mounting bracket is provided with a positioning convex rib, and when the limiting rod is in a locking position, the positioning convex rib props against the limiting end to prevent the limiting end from being far away from the mounting bracket.

6. The water purifier of claim 5 wherein: the positioning convex rib is provided with a guiding inclined plane which inclines towards the electric control box so as to guide the installation part when the electric control box is installed.

7. The water purifier of claim 4 wherein: the mounting part is a mounting ring arranged at the back of the box body, and the limiting end is spliced with the mounting ring to limit the electric control box; or the installation part is an installation bulge arranged at the back of the box body, the installation bulge is provided with an inserting groove, and the limiting end is inserted into the inserting groove to limit the electric control box.

8. A water purifier as recited in any one of claims 4 to 7, wherein: and the mounting bracket is also provided with an elastic pushing piece, and when the limiting rod is in a locking position, the elastic pushing piece props against the mounting part and clamps the mounting part together with the limiting end.

9. The water purifier of claim 8 wherein: the mounting bracket is provided with a through hole, the elastic pushing piece comprises a pressing rod penetrating through the through hole and a second elastic piece sleeved on the outer peripheral side of the pressing rod, and the second elastic piece is respectively propped against the pressing rod and the mounting bracket to push the pressing rod to one side of the limiting rod.

10. A water purifier as recited in claim 1, wherein: the mounting bracket is provided with an annular mounting rib surrounding the mounting groove, and when the electric control box is embedded in the mounting groove, the peripheral side of the electric control box is propped against the annular mounting rib.