阅读说明：本技术 净水设备 (water purifying equipment ) 是由 黄辉 曹伟 谷亮 王也 于 2018-05-29 设计创作，主要内容包括：本发明公开一种净水设备,其中,该净水设备包括：外壳,所述外壳内形成有滤芯容腔,所述外壳上设有连通所述滤芯容腔的安装插口；滤芯结构,所述滤芯结构通过所述安装插口设于所述滤芯容腔内；以及滤芯压件,设于所述安装插口处；所述滤芯压件包括压件本体、及与所述压件本体相连的连接部,所述连接部与所述外壳活动连接,以带动所述压件本体打开或至少部分盖合所述安装插口。本发明技术方案的滤芯压件可相对安装插口活动打开或关闭,以方便用户进行滤芯结构的装拆,提高了用户清洗或更换滤芯结构的便捷性。(The invention discloses a water purification unit, wherein the water purification unit comprises: the filter element accommodating cavity is formed in the shell, and an installation socket communicated with the filter element accommodating cavity is formed in the shell; the filter element structure is arranged in the filter element containing cavity through the mounting socket; the filter element pressing piece is arranged at the installation socket; the filter element pressing piece comprises a pressing piece body and a connecting part connected with the pressing piece body, and the connecting part is movably connected with the shell to drive the pressing piece body to open or at least partially cover the installation insertion opening. The filter element pressing piece in the technical scheme can be opened or closed relative to the mounting socket in a movable mode, so that a user can conveniently assemble and disassemble the filter element structure, and the convenience of cleaning or replacing the filter element structure is improved.)

1. A water purification apparatus, comprising:

The filter element accommodating cavity is formed in the shell, and an installation socket communicated with the filter element accommodating cavity is formed in the shell;

the filter element structure is arranged in the filter element containing cavity through the mounting socket; the filter element pressing piece is arranged at the installation socket; the filter element pressing piece comprises a pressing piece body and a connecting part connected with the pressing piece body, and the connecting part is movably connected with the shell to drive the pressing piece body to open or at least partially cover the installation insertion opening.

2. The water purification apparatus of claim 1, wherein the connection portion is a first pivot portion rotatably connected to the housing.

3. The water purifying apparatus as claimed in claim 2, wherein the pressing member body includes two opposite rotating arms, and the same end of each of the two rotating arms is provided with a first pivot portion;

The shell is provided with a matching part corresponding to the two first pivoting parts.

4. the water purifying apparatus of claim 3, wherein the first pivot portion is a pivot hole penetrating through the pivot arm, and the engaging portion is a rotation shaft member adapted to the pivot hole.

5. The water purification apparatus of any one of claims 1 to 4, wherein the pressing member body is provided with a limiting structure, and the limiting structure is detachably fixed with the housing to maintain the pressing member body in a position at least partially covering the mounting socket.

6. The water purification apparatus of claim 5, wherein the limiting structure comprises a limiting block, and the housing at the mounting socket comprises a socket inner wall disposed adjacent to the limiting block;

One of the limiting block and the inner wall of the socket is provided with a clamping protrusion, and the other is provided with a clamping groove matched with the clamping protrusion.

7. The water purifying apparatus as claimed in claim 6, wherein the pressing member body includes a fixing seat connected to the connecting portion, the fixing seat extends from the center of the mounting socket toward the inner wall of the socket, and the limiting block is slidably connected to the fixing seat to drive the protrusion to be movably inserted into the slot or movably sleeved on the protrusion.

8. The water purifying apparatus as claimed in claim 7, wherein the fixing base has a sliding cavity extending from the center of the mounting socket toward the inner wall of the socket and having an inlet opening of the sliding cavity opened toward one side of the inner wall of the socket, and the limiting block at least partially extends into the sliding cavity through the inlet opening of the sliding cavity and is slidably connected to the wall of the sliding cavity.

9. the water purification apparatus of claim 8, wherein the sliding chamber has an abutting wall disposed facing the sliding chamber inlet, and an elastic restoring member is disposed between the stopper and the abutting wall.

10. the water purifying apparatus as claimed in claim 8, wherein the limiting structure further comprises a driving member, the fixing seat is provided with a driving member mounting opening communicated with the sliding cavity, the driving member mounting opening is arranged in a direction away from the filter element accommodating cavity, and the driving member is arranged at the driving member mounting opening;

the driving piece comprises a movable part and a driving part connected with the movable part, the limiting block is provided with a driven surface facing one side of the sliding cavity inlet, the driving part extends into the sliding cavity and is abutted against the driven surface, the movable part is movably connected with the fixing seat and can drive the driving part to move towards one side of the sliding cavity inlet so as to drive the limiting block to move towards the sliding cavity.

11. The water purifying apparatus as claimed in claim 10, wherein the driving member further comprises a mounting plate provided at the mounting opening of the driving member, and the movable portion and the driving portion are connected to an inner side of the mounting plate;

the movable part is a second pivot part, the second pivot part is positioned at one end, close to the inlet of the sliding cavity, of the inner side of the mounting plate, and the second pivot part is rotatably connected with the cavity wall of the sliding cavity.

12. The water purifying apparatus as claimed in claim 10, wherein the surface of the stopper facing the driving member mounting opening is provided with a driven portion adapted to the driving portion, the driven portion having the driven surface;

one of the driving part and the driven part is an abutting convex part, and the other one is an abutting groove matched with the abutting convex part.

Technical Field

The invention relates to the technical field of water purification products, in particular to a water purification device.

Background

A filter element containing cavity is generally formed in a shell of the existing water purifier, an installation socket communicated with the filter element containing cavity is arranged on the shell, a filter element structure of the water purifier is inserted into the filter element containing cavity through the installation socket, and a filter element cover plate capable of detachably covering the installation socket is further arranged at the installation socket so as to prevent the filter element structure from being separated from the filter element containing cavity; for example, but not limiting of, the cartridge deck is secured to the mounting socket by way of a screw lock attachment.

however, for this purifier, when the user need dismantle filter core structure, must pull down filter core cover plate from installation socket department completely earlier, just can dodge the space that supplies filter core structure to pull out, whole operation process is comparatively loaded down with trivial details, has reduced the convenience that the user washd or changed filter core structure.

disclosure of Invention

The invention mainly aims to provide water purifying equipment and aims to solve the technical problem that a filter element structure of a water purifier in the prior art is inconvenient to disassemble.

in order to achieve the above object, the present invention provides a water purifying apparatus, comprising:

The filter element accommodating cavity is formed in the shell, and an installation socket communicated with the filter element accommodating cavity is formed in the shell;

the filter element structure is arranged in the filter element containing cavity through the mounting socket; and

the filter element pressing piece is arranged at the installation socket; the filter element pressing piece comprises a pressing piece body and a connecting part connected with the pressing piece body, and the connecting part is movably connected with the shell to drive the pressing piece body to open or at least partially cover the installation insertion opening.

Optionally, the connecting portion is a first pivoting portion rotatably connected to the housing.

Optionally, the pressing piece body comprises two opposite rotating arms, and the same end of each of the two rotating arms is provided with the first pivoting part;

The shell is provided with a matching part corresponding to the two first pivoting parts.

Optionally, the first pivoting portion is a pivoting hole penetrating through the rotating arm, and the matching portion is a rotating shaft piece matched with the pivoting hole.

Optionally, a limiting structure is arranged on the pressing element body, and the limiting structure is detachably fixed to the housing so as to maintain the pressing element body in a position at least partially covering the installation socket.

Optionally, the limiting structure includes a limiting block, and the housing at the installation socket includes a socket inner wall disposed close to the limiting block;

One of the limiting block and the inner wall of the socket is provided with a clamping protrusion, and the other is provided with a clamping groove matched with the clamping protrusion.

Optionally, the pressing member body includes a fixing seat connected to the connecting portion, the fixing seat extends from the center of the installation socket toward the inner wall of the socket, and the limiting block is slidably connected to the fixing seat to drive the clamping protrusion to be movably inserted into the clamping groove or movably sleeved on the clamping protrusion.

Optionally, the fixing seat has a sliding cavity, the sliding cavity extends from the center of the installation socket toward the inner wall of the socket, and has a sliding cavity inlet opened toward one side of the inner wall of the socket, and the limiting block at least partially extends into the sliding cavity through the sliding cavity inlet and is slidably connected with the cavity wall of the sliding cavity.

optionally, the sliding cavity has a butting wall disposed facing the sliding cavity inlet, and an elastic resetting member is disposed between the limiting block and the butting wall.

Optionally, the limiting structure further comprises a driving piece, a driving piece mounting opening communicated with the sliding cavity is formed in the fixing seat, the driving piece mounting opening is arranged in a direction away from the filter element accommodating cavity, and the driving piece is arranged at the driving piece mounting opening;

The driving piece comprises a movable part and a driving part connected with the movable part, the limiting block is provided with a driven surface facing one side of the sliding cavity inlet, the driving part extends into the sliding cavity and is abutted against the driven surface, the movable part is movably connected with the fixing seat and can drive the driving part to move towards one side of the sliding cavity inlet so as to drive the limiting block to move towards the sliding cavity.

Optionally, the driving member further includes a mounting plate disposed at the mounting opening of the driving member, and the movable portion and the driving portion are both connected to an inner side of the mounting plate;

The movable part is a second pivot part, the second pivot part is positioned at one end, close to the inlet of the sliding cavity, of the inner side of the mounting plate, and the second pivot part is rotatably connected with the cavity wall of the sliding cavity.

Optionally, the surface of the limiting block facing the driving piece mounting opening is provided with a driven part matched with the driving part, and the driven part is provided with the driven surface;

One of the driving part and the driven part is an abutting convex part, and the other one is an abutting groove matched with the abutting convex part.

according to the technical scheme, the filter element pressing piece of the water purifier comprises a pressing piece body and a connecting part, and the connecting part is movably connected with the shell so as to drive the pressing piece body to open or at least partially cover the installation socket of the filter element structure; so, when the user need install and remove the filter core structure, with the relative installation socket activity of filter core casting die open can, need not to pull down the filter core casting die from installation socket, simplified user's operation process greatly, improved the convenience that the user washd or changed the filter core structure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a water purifying apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a water circuit of the water purifying apparatus shown in FIG. 1;

FIG. 3 is a schematic view of a part of the water purifying apparatus shown in FIG. 1;

FIG. 4 is a schematic diagram of the water purification apparatus of FIG. 3 with a portion of the filter element pressing member removed;

Fig. 5 is an exploded view of the filter element compression element of fig. 3;

Fig. 6 is an exploded view of the filter element compression element of fig. 5 from another perspective;

Fig. 7 is a schematic structural view of the driving member and the limiting block in fig. 5.

The reference numbers illustrate:

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a water purifying device, such as but not limited to a water purifying machine, a full-automatic filter and the like.

The technical solution of the present invention will be explained below by taking a water purifier as an example.

in an embodiment of the present invention, referring to fig. 1 to 5, the water purifier includes:

The filter element comprises a shell 1, wherein a filter element accommodating cavity is formed in the shell 1, and an installation socket 11 communicated with the filter element accommodating cavity is arranged on the shell 1;

The filter element structure is arranged in the filter element containing cavity through the mounting socket 11; and

The filter element pressing piece 3 is arranged at the installation socket 11; filter core casting die 3 includes casting die body, and the connecting portion that link to each other with casting die body, connecting portion and 1 swing joint of shell to drive casting die body and open or at least part lid installation socket 11.

it should be understood that, referring to fig. 1 and 2, the water purifier further includes a driving assembly 4 and a waterway plate 5 disposed in the housing 1, and the filter element structure is communicated with the driving assembly 4 and the waterway plate 5 to form a purified water waterway of the water purifier together. In the embodiment, the filter element structure is a composite filter element 2 integrated with a front filter element, a membrane filter element and a rear filter element; particularly, in order to shorten the waiting time required by the user for taking water for the first time, in the embodiment, the water purifier further comprises a pure water tank connected with the pure water end of the composite filter element, when the user needs to take water, water in the pure water tank is directly discharged to a faucet under the action of pressure, and the process that the user needs to wait for the water purifier to prepare water again is avoided; it should be noted that in other embodiments, the plain water tank may be connected between the membrane filter and the post-filter. In addition, in order to improve the flexibility of the connection between the water channel plate 5 and the external water channel, in this embodiment, the water channel plate 5 includes a first water channel plate 5 and a second water channel plate 5 which are arranged at a predetermined included angle, the first water channel plate 5 is used for being connected with the composite filter element 2, and the second water channel plate 5 is used for being connected with the external water channel. For the driving assembly 4 for providing power for the pure water waterway, in the embodiment, the driving assembly 4 comprises a booster pump 41 and a diaphragm pump 42, the booster pump 41 is connected in series between the pre-filter and the membrane filter to provide power for the initial filtered water to enter the membrane filter, and the diaphragm pump 42 is located at the downstream of the pure water tank to press the pure water in the pure water tank to the water taking end of the user; of course, in other embodiments, the booster pump 41 may be disposed upstream of the pre-filter to provide power for the running water to enter the pre-filter, and the design is not limited thereto.

In the embodiment, in order to reduce the overall gravity center of the water purifier and improve the anti-toppling performance of the water purifier in the working process, the arrangement of components in the shell 1 follows the principle that the gravity center is downward; i.e. the relatively heavy drive assembly 4 is placed at the very bottom in the housing 1, the relatively light weight plain water tank is placed at the very top in the housing 1, and the moderately heavy composite filter element 2 is placed in the middle in the housing 1. It should be noted that, the design is not limited to this, in other embodiments, the weight of the filter element structure is the largest, next, the driving component 4, and the weight of the pure water tank is the smallest, and the pure water tank, the driving component 4, and the filter element structure are arranged in the housing 1 from top to bottom in sequence, that is, no matter what order the three components are arranged in the vertical direction, as long as the principle is based on lowering the center of gravity of the water purifier, the invention should belong to the technical solution protected by the present invention.

It should be understood that there are many ways for the connection portion to be movably connected with the housing 1, not limited to rotating connection, sliding connection, etc., and it is within the inventive concept of the present invention as long as the connection portion can move relative to the housing 1 and drive the pressing member body to open or at least partially cover the mounting socket 11.

According to the technical scheme, the filter element pressing piece 3 of the water purifier comprises a pressing piece body and a connecting part, and the connecting part is movably connected with the shell 1 to drive the pressing piece body to open or at least partially cover the installation socket 11 of the filter element structure; so, when the user need install and remove the filter core structure, with filter core casting die 3 relative installation socket 11 activity open can, need not to pull down filter core casting die 3 from installation socket 11, simplified user's operation process greatly, improved the convenience that the user washd or changed the filter core structure.

In this embodiment, referring to fig. 3 and fig. 4, the connecting portion is a first pivot portion 311 rotatably connected to the housing 1, and the first pivot portion 311 can drive the pressing member body to rotate to open or at least partially cover the installation socket 11. It can be understood that the rotary connection is a movable connection mode widely used in the prior art, and has the advantages of simple structure, stable connection and the like. It should be noted that, the design is not limited to this, in other embodiments, the connecting portion is a first sliding portion slidably connected to the housing 1, and the first sliding portion can drive the pressing member body to slide open or at least partially cover the mounting socket 11. Specifically, in the embodiment, the first pivot portion 311 is disposed along the horizontal direction to drive the pressing member body to rotate up and down, but in other embodiments, the first pivot portion 311 may also be disposed along the vertical direction to drive the pressing member body to rotate left and right, and the design is not limited thereto.

in this embodiment, the pressing member body includes two opposite rotating arms 31 extending in the vertical direction, and the same ends of the two rotating arms 31 are respectively provided with a first pivot portion 311; the housing 1 is provided with a matching portion 12 corresponding to the two first pivoting portions 311. Specifically, the upper ends of the two rotating arms 31 are respectively provided with a first pivot part 311, the pressing member body further comprises a fixing seat 32 bridging the lower ends of the two rotating arms 31, so that the pressing member body is in a U-shaped configuration, the surfaces of the two rotating arms 31 and the fixing seat 32 facing the composite filter element 2 form a limiting surface for limiting the outward separation of the composite filter element 2, and the U-shaped opening of the pressing member body is used for avoiding the filter element joint of the composite filter element 2. It should be understood that, by the two correspondingly disposed rotating arms 31 and the first pivot portions 311 respectively disposed on the two rotating arms 31, the stability of the filter element pressing member 3 in the rotating process relative to the housing 1 can be effectively improved. It should be noted that, the pressing member body may also be configured in a flat plate shape, two opposite side edges of the pressing member body are respectively and correspondingly provided with a first pivot portion 311, and the first pivot portion 311 drives the pressing member body to open the mounting socket 11 or to fit and close the mounting socket 11. In addition, in this embodiment, the filter element pressing member 3 further includes a decorative plate 35 provided on the rear surface of the pressing member body.

In this embodiment, referring to fig. 3 and 4, the first pivot portion 311 is a pivot hole penetrating through the rotating arm 31, and the matching portion 12 is a rotating shaft adapted to the pivot hole. It can be understood that the adaptation of pin joint hole and pivot spare is the normal running fit structure of using extensively among the prior art, has advantages such as simple structure, connection stability. It should be noted that, the design is not limited to this, and in other embodiments, the first pivot portion 311 may be a rotating shaft protruding from the outer side of the rotating arm 31, and the matching portion 12 may be a pivot hole matching with the rotating shaft.

Further, referring to fig. 3 to 7, the pressing element body is provided with a limiting structure, and the limiting structure is detachably fixed with the casing 1 to maintain the pressing element body in a position at least partially covering the mounting socket 11. Can understand, so set up, can prevent effectively that filter core casting die 3 from being opened by mistake, and lead to composite filter element 2 to hold the intracavity from the filter core and deviate from, improve the reliability of composite filter element 2 assembly. It should be understood that the limiting structure is not limited to be fixed to the housing 1 by screw locking, snap connection, etc., and any other detachable fixing method that satisfies the requirement that the pressing member body can be opened and closed to the mounting socket 11 will be covered by the present invention.

In this embodiment, referring to fig. 3 to 7, the limiting structure includes a limiting block 33, and the housing 1 at the installation socket 11 includes a socket inner wall 111 disposed near the limiting block 33; the stop block 33 is provided with a convex card 331, and the inner wall 111 of the socket is provided with a slot 111a matched with the convex card 331. The mode that stopper 33 and socket inner wall 111 are connected through the buckle is fixed promptly, can understand, and the buckle is connected and is the fixed mode that sends wide forth the use among the prior art, has advantages such as easy dismounting, connection stability. Specifically, stopper 33 locates the bottom of casting die body, and socket inner wall 111 is located the bottom in installation socket 11, and filter core casting die 3's bottom can be dismantled fixedly with shell 1 promptly, so, in addition, the top and the shell 1 swing joint of filter core casting die 3 in this embodiment have realized that the double-phase opposite end of filter core casting die 3 is connected with shell 1 respectively, can guarantee the reliability of filter core casting die 3 when the installation socket 11 is closed in partial lid better. It should be noted that the design is not limited thereto, and in other embodiments, the arrangement positions of the locking protrusion 331 and the locking slot 111a may be interchanged.

Further, the fixing base 32 extends up and down, and the limiting block 33 is slidably connected to the fixing base 32 to drive the protrusion 331 to be movably inserted into the slot 111 a. It can be understood that, with such an arrangement, the limiting block 33 slides relative to the fixing seat 32 to realize the connection or separation of the clamping protrusion 331 and the clamping groove 111a, and the operation is simple and the structure has a long service life. It should be noted that, the design is not limited to this, in other embodiments, the limiting block 33 is fixed on the fixing base 32, the clamping protrusion 331 on the limiting block 33 has elasticity, after the composite filter element 2 is installed in the filter element accommodating cavity, the pressing member body is rotated, and when the clamping protrusion 331 moves to the front of the clamping groove 111a, the clamping protrusion is pressed and deformed until the clamping protrusion moves to the inner deformation of the clamping groove 111a and recovers, so as to realize the clamping with the clamping groove 111a, and maintain the pressing member body at a position partially covering the installation socket 11.

Further, referring to fig. 5 to 7, the fixing base 32 includes a fixing base body 323 and a fixing base rear cover 324 detachably covering the fixing base body 323, the fixing base rear cover and the fixing base body 323 enclose to form a sliding cavity 321, the sliding cavity 321 extends along the up-down direction and has an inlet of the sliding cavity 321 opened toward one side of the socket inner wall 111, and the limiting block 33 at least partially extends into the sliding cavity 321 through the inlet of the sliding cavity 321 and is slidably connected with the cavity wall of the sliding cavity 321. It can be understood that, with such an arrangement, the limiting block 33 can be sufficiently protected, and the sliding process of the limiting block is prevented from being interfered by external factors. It should be noted that, the design is not limited to this, in other embodiments, the fixing base 32 is provided with a guide rail extending up and down, the outer side surface of the limiting block 33 is slidably connected with the guide rail, or the limiting block 33 is provided with a sliding portion adapted to the guide rail.

Further, the sliding cavity 321 has an abutting wall 321a disposed facing the inlet of the sliding cavity 321, and an elastic restoring member 321b is disposed between the stopper 33 and the abutting wall 321 a. It can be understood, so set up, when the user need the lid close filter core casting die 3, the stopper 33 has been pushed up to manual to make its card protruding 331 not interfere with the exterior structure of draw-in groove 111a, and be in the lid position when filter core casting die 3, the card is protruding 331 and draw-in groove 111a counterpoint the back, the user only needs to loosen the hand, stopper 33 can be under the effect that the elasticity resets 321b, drive the protruding 331 card of card and go into in draw-in groove 111a, the convenience of user operation has been improved. It should be noted that the elastic restoring member 321b is not limited to a spring or an elastic rubber rod, and in this embodiment, at least two elastic restoring members 321b are arranged in parallel to ensure the reliability of the movement of the limiting block 33 during the restoring process.

further, referring to fig. 5 to 7, the limiting structure further includes a driving member 34, a driving member 34 mounting opening 322 communicated with the sliding cavity 321 is formed in the fixing seat 32, the driving member 34 mounting opening 322 is arranged in a direction away from the filter element accommodating cavity, and the driving member 34 is arranged at the driving member 34 mounting opening 322; the driving member 34 includes a movable portion and a driving portion connected to the movable portion, the limiting block 33 has a driven surface disposed facing one side of the inlet of the sliding cavity 321, the driving portion extends into the sliding cavity 321 and abuts against the driven surface, the movable portion is movably connected to the fixing base 32 and can drive the driving portion to move towards one side far away from the inlet of the sliding cavity 321, so as to drive the limiting block 33 to move towards the inside of the sliding cavity 321.

It is easy to understand that the driving member 34 is at least partially located outside the sliding cavity 321 to drive the limiting block 33 to slide so as to control the protrusion 331 to be connected with or separated from the engaging groove 111a, thereby avoiding the inconvenience that the user directly applies external force to the limiting block 33 by extending his hand into the sliding cavity 321 and improving the convenience of user operation. It should be noted that the connection manner of the movable portion and the fixed seat 32 is not limited to rotation connection, sliding connection, etc., and it is within the inventive concept of the present invention as long as the movable portion can move relative to the fixed seat 32 and drive the limit block 33 to move in the sliding cavity 321.

further, referring to fig. 5 to 7, the driving member 34 further includes a mounting plate 343 disposed at the mounting opening 322 of the driving member 34, and the movable portion and the driving portion are both connected to an inner side of the mounting plate 343; the movable portion is a second pivot portion 341, the second pivot portion 341 is located at an end of the mounting plate 343 close to the inlet of the sliding cavity 321, and the second pivot portion 341 is rotatably connected to the cavity wall of the sliding cavity 321.

It is easy to understand that the second pivot portion 341 can drive the driving portion to rotate inward or outward, taking the second pivot portion 341 to rotate outward as an example, when the second pivot portion 341 drives the driving portion to rotate outward, the driving portion has a component force extending upward in the force applied by the driving portion to the driven surface to drive the limiting block 33 to move upward, and the protrusion 331 is separated from the slot 111 a. It can be understood that the rotary connection is a movable connection mode widely used in the prior art, and has the advantages of simple structure, stable connection and the like. In this embodiment, an outer side of the mounting plate 343, which is away from the driving portion, is formed with an outward protruding tilting portion, which is used for facilitating a user to press and drives the mounting plate 343 to rotate outward.

Further, the surface of the stop block 33 facing the mounting opening 322 of the driving member 34 is provided with a driven part matched with the driving part, and the driven part is provided with a driven surface; the driving portion is an abutment protrusion 342 and the driven portion is an abutment groove 332. It should be noted that, in other embodiments, the driving portion is connected to the driven portion to better ensure the reliability of the driving portion driving the driven portion to move; however, in this embodiment, the driving portion and the driven portion do not need to be directly connected, so as to facilitate the detachment and installation between the driving member 34 and the limiting block 33, and in this embodiment, in order to overcome the problem of poor connection reliability between the driving portion and the driven portion, two abutting convex portions 342 and two abutting grooves 332 are provided, and are connected in a one-to-one correspondence manner. In addition, in this embodiment, the groove wall of the abutting groove 332 facing the driven surface forms a guide surface extending toward the front lower side, and the bottom of the abutting convex part 342 is arranged in an arc shape. It should be noted that in other embodiments, the driving portion may be the abutting groove 332, and the driven portion may be the abutting protrusion 342.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.